1. The automatic leather cutting device is characterized by comprising a support, a clamping and conveying mechanism, a cutting mechanism and a discharging mechanism, wherein the clamping and conveying mechanism and the discharging mechanism are respectively arranged at two ends of the support, and the cutting mechanism is arranged between the clamping and conveying mechanism and the discharging mechanism;

the clamping and conveying mechanism comprises a clamping assembly and a conveying assembly, the clamping assembly comprises a fixed shaft (1), a fixed cylinder (2), fixed rods (3), a movable shaft (4) and a movable cylinder (5), the fixed shaft (1) is arranged on the support, the fixed cylinder (2) is sleeved on the fixed shaft (1), the fixed cylinder (2) is in key connection with the fixed shaft (1), the fixed rods (3) are arranged on the support, the fixed rods (3) are two, the two fixed rods (3) are respectively arranged on two sides of the support, a sliding groove is formed in the fixed rods (3), the movable shaft (4) is positioned in the sliding groove, the movable shaft (4) is in sliding connection with the sliding groove, the movable cylinder (5) is sleeved on the movable shaft (4), the movable cylinder (5) is in key connection with the movable shaft (4), and the movable cylinder (5) is positioned right above the fixed cylinder (2), the utility model discloses a support, including a fixed cylinder (2), a movable cylinder (5), transmission assembly, spacing axle (7), first runner (8), elastic band (9), spacing axle (7), first runner (6) and two transmission assemblies, two transmission assemblies set up the both sides at the support respectively, first runner (6) have two, and two first runners (6) overlap respectively on fixed axle (1) and spacing axle (7), and two first runners (6) are connected with fixed axle (1) and spacing axle (7) key-type respectively, and two first runners (6) mesh, first runner (8) have two, and two first runners (8) overlap respectively on spacing axle (7) and movable axle (4), and two first runners (8) are connected with spacing axle (7) and movable axle (4) key-type respectively, the elastic belt (9) is sleeved on the two first rotating wheels (8), and the two first rotating wheels (8) are in transmission connection through the elastic belt (9);

the discharging mechanism comprises a positioning component and a material pushing component, the positioning component comprises a positioning cylinder (10) and a positioning shaft (11), the positioning shaft (11) is arranged on a support, the positioning cylinder (10) is sleeved on the positioning shaft (11), the positioning cylinder (10) is in key connection with the positioning shaft (11), the material pushing component comprises a roller (12) and a limiting unit, the limiting unit comprises a limiting rod (13), a limiting block (14) and a first spring (15), the limiting rod (13) is arranged on the support, the limiting rod (13) is provided with a limiting groove, the limiting block (14) is positioned in the limiting groove, the limiting block (14) is in sliding connection with the limiting groove, the first spring (15) is arranged in the limiting groove, one end of the first spring (15) is connected with the limiting groove, the other end of the first spring (15) is connected with the limiting block (14), the roller (12) is arranged on the limiting block (14), and the roller (12) is positioned right above the positioning cylinder (10);

cutting mechanism includes carriage release lever (16), blade (17) and second spring (18), be equipped with the bar groove on the support, the one end of carriage release lever (16) is located the bar inslot, carriage release lever (16) and bar groove sliding connection, second spring (18) set up at the bar inslot, the one end and the bar groove of second spring (18) are connected, the other end and carriage release lever (16) of second spring (18) are connected, blade (17) set up the one end of keeping away from the bar groove in carriage release lever (16), be equipped with the recess on the support, blade (17) stretch into in the recess.

2. The automatic leather cutting device according to claim 1, wherein the driving mechanism comprises a driving assembly and a linkage assembly, the driving assembly comprises a motor (19) and a half gear (20), the motor (19) is horizontally arranged on the bracket, the half gear (20) is installed on the motor (19), the linkage assembly comprises a first linkage unit, a second linkage unit and a third linkage unit, the first linkage unit comprises a first rotating shaft (21), a second rotating gear (22) and a second rotating wheel (23), the first rotating shaft (21) is arranged on one side of the half gear (20), the second rotating gear (22) is sleeved on the first rotating shaft (21), the second rotating gear (22) is in key connection with the first rotating shaft (21), the second rotating gear (22) is meshed with the half gear (20), and the second rotating wheel (23) is two, two second runners (23) are respectively sleeved on a first rotating shaft (21) and a fixed shaft (1), the two second runners (23) are respectively connected with the first rotating shaft (21) and the fixed shaft (1) in a key mode, the two second runners (23) are connected through belt transmission, the second linkage unit comprises a second rotating shaft (24), a third rotating gear (25), a first wire coil (26), a first pull rope (27) and a third runner (28), the second rotating shaft (24) is arranged on one side of the half gear (20) far away from the first rotating shaft (21), the third rotating gear (25) is sleeved on the second rotating shaft (24), the third rotating gear (25) is connected with the second rotating shaft (24) in a key mode, the third rotating gear (25) is arranged corresponding to the half gear (20), the first wire coil (26) is sleeved on the second rotating shaft (24), the first wire coil (26) is connected with the second rotating shaft (24) in a key mode, the one end and the first drum (26) of first stay cord (27) are connected, the other end and stopper (14) of first stay cord (27) are connected, third runner (28) have two, and one of them third runner (28) are installed on motor (19), and another third runner (28) cover is established on location axle (11), and two third runners (28) are connected through belt transmission, the third linkage unit includes second drum (29) and second stay cord (30), second drum (29) cover is established on second pivot (24), second drum (29) and second pivot (24) key-type connection, the one end and the second drum (29) of second stay cord (30) are connected, the other end and the carriage release lever (16) of second stay cord (30) are connected.

3. The automatic leather cutting device according to claim 1, characterized in that the end of the moving rod (16) close to the blade (17) is provided with a pre-pressing unit, the two prepressing units are respectively arranged at the two sides of the blade (17), the pre-pressing unit comprises a pressing rod (31), a third spring (32) and a pressing wheel (33), a positioning groove is arranged on the moving rod (16), one end of the pressure rod (31) is positioned in the positioning groove, the other end of the pressure lever (31) extends out of the positioning groove, the pressure lever (31) is connected with the positioning groove in a sliding way, the third spring (32) is arranged in the positioning groove, one end of the third spring (32) is connected with the pressure lever (31), the other end of the third spring (32) is connected with the positioning groove, and the pressing wheel (33) is arranged at one end of the pressing rod (31) located outside the positioning groove.

4. The automatic leather cutting device according to claim 3, characterized in that the bracket comprises a base (34), a support rod (35), a bottom plate (36) and a cross rod (37), the bottom plate (36) is arranged above the base (34) through the support rod (35), the cross rod (37) is arranged above the bottom plate (36), the motor (19) is arranged on the base (34), the fixed shaft (1), the limiting shaft (7) and the positioning shaft (11) are all arranged on the bottom plate (36), and the moving rod (16) is arranged on the cross rod (37).

5. The automatic leather cutting device according to claim 2, characterized in that the second pulling rope (30) is provided with a first positioning wheel (38) and a second positioning wheel (39), the first positioning wheel (38) is arranged on one side of the moving rod (16), the second positioning wheel (39) is arranged on the bracket, the second positioning wheel (39) is arranged right below the first positioning wheel (38), and the second pulling rope (30) sequentially bypasses the first positioning wheel (38) and the second positioning wheel (39).

6. The automatic leather cutting device as claimed in claim 4, characterized in that the moving rod (16) is provided with a position block (40) at one end in the strip-shaped groove, the position block is arranged in the strip-shaped groove, the position block (40) is arranged in the position groove, and the position block (40) is connected with the position groove in a sliding manner.

7. The automatic leather cutting device according to claim 6, wherein there are two of said indexing blocks (40), two of said indexing blocks (40) are respectively disposed on both sides of said moving bar (16), and there are two of said indexing grooves, and two of said indexing blocks (40) are respectively disposed in said two indexing grooves.

8. The automatic leather cutting device as claimed in claim 7, wherein one end of the locating block (40) in the locating groove is provided with a pulley (41), a clamping groove is arranged in the locating groove, the pulley (41) is arranged in the clamping groove, and the pulley (41) is in rolling connection with the clamping groove.

9. The automatic leather cutting device according to claim 1, characterized in that there are two of said stop units, respectively arranged on both sides of the drum (12).

Background

The leather is animal leather which is obtained by physical and chemical processing of unhairing and tanning and is denatured and not easy to rot, the leather is formed by tightly weaving natural protein fibers in a three-dimensional space, the surface of the leather is provided with a special grain layer, and the leather has natural grains and luster and comfortable hand feeling and comprises living leather, national defense leather, industrial and agricultural leather, cultural and sports article leather and the like.

Leather is adding man-hour in production, usually need to cut it and handle, current leather cutting device generally conveys leather to blade department through transport mechanism earlier, then cut through the blade, then will cut the leather that gets off and convey the ejection of compact, centre gripping conveyer to the leather, cutting and the ejection of compact generally need drive through a plurality of output, energy consumption is great, current automatic leather cutting device generally realizes automaticly through this type of electronic component of sensor simultaneously, adopt this type of electronic component of sensor, stability is not enough, life is not high.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the automatic leather cutting device is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic leather cutting device comprises a support, a clamping and conveying mechanism, a cutting mechanism and a discharging mechanism, wherein the clamping and conveying mechanism and the discharging mechanism are respectively arranged at two ends of the support, and the cutting mechanism is arranged between the clamping and conveying mechanism and the discharging mechanism;

the clamping and conveying mechanism comprises a clamping assembly and a conveying assembly, the clamping assembly comprises a fixed shaft, a fixed cylinder, fixed rods, two movable shafts and two movable cylinders, the fixed shaft is arranged on the support, the fixed cylinder is sleeved on the fixed shaft, the fixed cylinder is in key connection with the fixed shaft, the fixed rods are arranged on the support, the two fixed rods are respectively arranged on two sides of the support, sliding grooves are formed in the fixed rods, the movable shaft is positioned in the sliding grooves, the movable shaft is in sliding connection with the sliding grooves, the movable cylinder is sleeved on the movable shaft, the movable cylinder is in key connection with the movable shaft, the movable cylinder is positioned right above the fixed cylinder, the movable cylinder is abutted against the fixed cylinder, the two conveying assemblies are respectively arranged on two sides of the support, and each conveying assembly comprises a first rotating gear, a limiting shaft, a first rotating wheel and an elastic belt, the limiting shaft is arranged on the support, the number of the first rotating gears is two, the two first rotating gears are respectively sleeved on the fixed shaft and the limiting shaft, the two first rotating gears are respectively in key connection with the fixed shaft and the limiting shaft, the two first rotating gears are meshed with each other, the number of the first rotating gears is two, the two first rotating gears are respectively sleeved on the limiting shaft and the moving shaft, the two first rotating gears are respectively in key connection with the limiting shaft and the moving shaft, the elastic belt is sleeved on the two first rotating wheels, and the two first rotating wheels are in transmission connection through the elastic belt;

the discharging mechanism comprises a positioning assembly and a material pushing assembly, the positioning assembly comprises a positioning cylinder and a positioning shaft, the positioning shaft is arranged on the support, the positioning cylinder is sleeved on the positioning shaft and is connected with the positioning shaft in a key mode, the material pushing assembly comprises a roller and a limiting unit, the limiting unit comprises a limiting rod, a limiting block and a first spring, the limiting rod is arranged on the support, a limiting groove is formed in the limiting rod, the limiting block is located in the limiting groove and is connected with the limiting groove in a sliding mode, the first spring is arranged in the limiting groove, one end of the first spring is connected with the limiting groove, the other end of the first spring is connected with the limiting block, the roller is arranged on the limiting block, and the roller is located right above the positioning cylinder;

cutting mechanism includes carriage release lever, blade and second spring, be equipped with the bar groove on the support, the one end of carriage release lever is located the bar inslot, carriage release lever and bar groove sliding connection, the second spring sets up at the bar inslot, the one end and the bar groove connection of second spring, the other end and the carriage release lever of second spring are connected, the blade sets up the one end of keeping away from the bar groove at the carriage release lever, be equipped with the recess on the support, the blade stretches into in the recess.

In order to realize the drive to the device, realize the linkage simultaneously, actuating mechanism includes drive assembly and linkage assembly, drive assembly includes motor and semi-gear, the motor level sets up on the support, the semi-gear is installed on the motor, the linkage assembly includes first linkage unit, second linkage unit and third linkage unit, first linkage unit includes first pivot, second bull gear and second runner, first pivot sets up in one side of semi-gear, the second bull gear cover is established on first pivot, the second bull gear is connected with first pivot key, second bull gear and semi-gear meshing, the second runner has two, and two second runners are established respectively on first pivot and fixed axle, and two second runners are connected with first pivot and fixed axle key-type respectively, and two second runners pass through belt transmission, the second linkage unit comprises a second rotating shaft, a third rotating gear, a first wire coil, a first pull rope and a third rotating wheel, the second rotating shaft is arranged on one side of the half gear far away from the first rotating shaft, the third rotating gear is sleeved on the second rotating shaft and connected with the second rotating shaft in a key mode, the third rotating gear is arranged corresponding to the half gear, the first wire coil is sleeved on the second rotating shaft and connected with the second rotating shaft in a key mode, one end of the first pull rope is connected with the first wire coil, the other end of the first pull rope is connected with a limiting block, the number of the third rotating wheels is two, one of the third rotating wheels is arranged on the motor, the other third rotating wheel is sleeved on the positioning shaft, the two third rotating wheels are connected through belt transmission, the third linkage unit comprises the second wire coil and the second pull rope, the second wire coil is sleeved on the second rotating shaft, the second wire coil is in key connection with the second rotating shaft, one end of the second pull rope is connected with the second wire coil, and the other end of the second pull rope is connected with the moving rod.

In order to realize better cutting effect, the one end that the carriage release lever is close to the blade is equipped with pre-compaction unit, pre-compaction unit has two, and two pre-compaction units set up the both sides at the blade respectively, pre-compaction unit includes depression bar, third spring and pinch roller, be equipped with the constant head tank on the carriage release lever, the one end of depression bar is located the constant head tank, outside the constant head tank was stretched out to the other end of depression bar, depression bar and constant head tank sliding connection, the third spring sets up in the constant head tank, the one end and the leg joint of third spring, the other end and the constant head tank of third spring are connected, the pinch roller sets up the one end that is located the constant head tank at the depression bar.

In order to support the device, the support includes base, branch, bottom plate and horizontal pole, the bottom plate passes through branch setting in the base top, the horizontal pole sets up in the bottom plate top, the motor sets up on the base, fixed axle, spacing axle and location axle all set up on the bottom plate, the carriage release lever sets up on the horizontal pole.

In order to better limit the movement of the second pull rope, a first positioning wheel and a second positioning wheel are arranged on the second pull rope, the first positioning wheel is arranged on one side of the moving rod, the second positioning wheel is arranged on the support, the second positioning wheel is positioned under the first positioning wheel, and the second pull rope sequentially bypasses the first positioning wheel and the second positioning wheel.

For carrying out better spacing to the removal of carriage release lever, the one end that the carriage release lever is located the bar inslot is equipped with the piece of keeping away, the bar inslot is equipped with the groove of keeping away, the piece of keeping away is located the groove of keeping away, the piece of keeping away with walk groove sliding connection.

In order to better limit the movement of the moving rod, the number of the walking blocks is two, the two walking blocks are respectively arranged on two sides of the moving rod, the number of the walking grooves is two, and the two walking blocks are respectively positioned in the two walking grooves.

In order to better limit the movement of the moving rod and reduce friction, a pulley is arranged at one end of the moving block, which is located in the moving groove, a clamping groove is formed in the moving groove, and the pulley is located in the clamping groove and is in rolling connection with the clamping groove.

In order to better limit the movement of the movable drum, the number of the limit units is two, and the two limit units are respectively arranged on two sides of the roller.

The automatic leather cutting device has the advantages that the clamping and conveying of the leather are achieved through the clamping and conveying mechanism, the cutting of the leather is achieved through the cutting mechanism, the discharging is achieved through the discharging mechanism, compared with the existing cutting device, the automatic leather cutting device achieves operation of the clamping and conveying mechanism, the cutting mechanism and the discharging mechanism through one output end, energy is saved, meanwhile, the clamping and conveying mechanism, the cutting mechanism and the discharging mechanism are linked, online cutting and discharging of the leather are achieved, the linkage is of a pure mechanical structure, use of electronic elements such as sensors is avoided, stability of the device is improved, service life of the device is prolonged, compared with the existing cutting mechanism, the automatic leather cutting device pre-presses the leather, better cutting effect is achieved, and practicability is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the structure of an automatic leather cutting apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of the clamping and conveying mechanism of the automatic leather cutting device according to the present invention;

FIG. 3 is a schematic view of the connection structure of the cutting mechanism and the pre-pressing unit of the automatic leather cutting device according to the present invention

FIG. 4 is a schematic view showing a structure of connecting a moving bar and a cross bar of the automatic leather cutting apparatus according to the present invention;

FIG. 5 is a schematic view showing the structure of a driving mechanism of the automatic leather cutting apparatus according to the present invention;

in the figure: 1. the automatic positioning device comprises a fixed shaft, 2 parts of a fixed barrel, 3 parts of a fixed rod, 4 parts of a moving shaft, 5 parts of a moving barrel, 6 parts of a first rotating wheel, 7 parts of a limiting shaft, 8 parts of a first rotating wheel, 9 parts of an elastic belt, 10 parts of a positioning barrel, 11 parts of a positioning shaft, 12 parts of a roller, 13 parts of a limiting rod, 14 parts of a limiting block, 15 parts of a first spring, 16 parts of a moving rod, 17 parts of a blade, 18 parts of a second spring, 19 parts of a motor, 20 parts of a half gear, 21 parts of a first rotating shaft, 22 parts of a second rotating gear, 23 parts of a second rotating wheel, 24 parts of a second rotating shaft, 25 parts of a third rotating gear, 26 parts of a first wire coil, 27 parts of a first pull rope, 28 parts of a third rotating wheel, 29 parts of a second wire coil, 30 parts of a second pull rope, 31 parts of a pressure lever, 32 parts of a third spring, 33 parts of a pressure wheel, 34 parts of a base, 35 parts of a support rod, 36 parts of a bottom plate, 37.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an automatic leather cutting device comprises a support, a clamping and conveying mechanism, a cutting mechanism and a discharging mechanism, wherein the clamping and conveying mechanism and the discharging mechanism are respectively arranged at two ends of the support, and the cutting mechanism is arranged between the clamping and conveying mechanism and the discharging mechanism;

when the device uses, the tight conveying of clamp of leather is realized through centre gripping transport mechanism, realizes the cutting of leather through cutting mechanism, conveys the ejection of compact through the leather that discharge mechanism will cut.

As shown in fig. 2, the clamping and conveying mechanism comprises a clamping assembly and a conveying assembly, the clamping assembly comprises a fixed shaft 1, a fixed cylinder 2, a fixed rod 3, a movable shaft 4 and a movable cylinder 5, the fixed shaft 1 is arranged on the bracket, the fixed cylinder 2 is sleeved on the fixed shaft 1, the fixed cylinder 2 is in key connection with the fixed shaft 1, the fixed rod 3 is arranged on the bracket, two fixed rods 3 are respectively arranged at two sides of the bracket, a chute is arranged on the fixed rod 3, the movable shaft 4 is positioned in the chute, the movable shaft 4 is in sliding connection with the chute, the movable cylinder 5 is sleeved on the movable shaft 4, the movable cylinder 5 is in key connection with the movable shaft 4, the movable cylinder 5 is positioned right above the fixed cylinder 2, the movable cylinder 5 is abutted against the fixed cylinder 2, the conveying assembly comprises two conveying assemblies, two conveying assemblies are respectively arranged at two sides of the bracket, the conveying assembly comprises two first rotating gears 6, a limiting shaft 7, two first rotating wheels 8 and an elastic belt 9, the limiting shaft 7 is arranged on the support, the number of the first rotating gears 6 is two, the two first rotating gears 6 are respectively sleeved on the fixed shaft 1 and the limiting shaft 7, the two first rotating gears 6 are respectively in key connection with the fixed shaft 1 and the limiting shaft 7, the two first rotating gears 6 are meshed, the number of the first rotating wheels 8 is two, the two first rotating wheels 8 are respectively sleeved on the limiting shaft 7 and the moving shaft 4, the two first rotating wheels 8 are respectively in key connection with the limiting shaft 7 and the moving shaft 4, the elastic belt 9 is sleeved on the two first rotating wheels 8, and the two first rotating wheels 8 are in transmission connection through the elastic belt 9;

pulling the movable cylinder 5 to leave enough space between the movable cylinder 5 and the fixed cylinder 2, then placing the end of the belt between the fixed cylinder 2 and the movable cylinder 5, at this time, the movable cylinder 5 moves to drive the movable shaft 4 to move, the movable shaft 4 drives the first rotating wheels 8 connected with the movable shaft to move, thereby the two first rotating wheels 8 are far away from each other, thereby the elastic belt 9 is further stretched, the restoring force of the elastic rope generates pulling force on the two first rotating wheels 8, when the belt is placed, the movable cylinder 5 is released, the movable cylinder 5 is not subjected to the pulling force, under the restoring force of the elastic belt 9, the movable cylinder 2 approaches to clamp the leather, then the driving mechanism is operated, the driving mechanism drives the fixed shaft 1 to rotate, the fixed shaft 1 drives the fixed cylinder 2 to rotate, simultaneously the fixed shaft 1 drives the first rotating gear 6 connected with the fixed shaft 1 to rotate, the first rotating gear 6 drives the other first rotating gear 6 to rotate, another first change gear 6 drive spacing axle 7 is rotatory, spacing axle 7 drive first runner 8 of being connected with it is rotatory, this first change gear 6 drives another first change gear 6 through elastic webbing 9 and rotates, another first change gear 6 drive removal axle 4 is rotatory, removal axle 4 drive removal section of thick bamboo 5 is rotatory, thereby make fixed section of thick bamboo 2 and removal section of thick bamboo 5 rotatory simultaneously, thereby convey the leather of pressing from both sides tightly, here adjust the direction of rotation of fixed section of thick bamboo 2 and removal section of thick bamboo 5 through two first change gear 6, thereby make fixed section of thick bamboo 2 and the one side syntropy that removal section of thick bamboo 5 supported and lean on rotatory, can realize the conveying, this mechanism adopts the restoring force of elastic webbing 9 to press from both sides tightly the leather, avoid the rigidity centre gripping to draw the flower and damage the leather even, realize the protection to the leather.

As shown in fig. 1, the discharging mechanism comprises a positioning component and a pushing component, the positioning component comprises a positioning cylinder 10 and a positioning shaft 11, the positioning shaft 11 is arranged on the bracket, the positioning cylinder 10 is sleeved on the positioning shaft 11, the positioning cylinder 10 is connected with a positioning shaft 11 in a key way, the pushing assembly comprises a roller 12 and a limiting unit, the limiting unit comprises a limiting rod 13, a limiting block 14 and a first spring 15, the limiting rod 13 is arranged on the bracket, a limiting groove is arranged on the limiting rod 13, the limiting block 14 is positioned in the limiting groove, the limiting block 14 is connected with the limiting groove in a sliding way, the first spring 15 is arranged in the limiting groove, one end of the first spring 15 is connected with the limiting groove, the other end of the first spring 15 is connected with a limiting block 14, the roller 12 is arranged on the limiting block 14, and the roller 12 is positioned right above the positioning cylinder 10;

actuating mechanism drive location axle 11 is rotatory, location axle 11 drive location section of thick bamboo 10 is rotatory, here first spring 15 is in compression state, the restoring force of first spring 15 produces ascending thrust to stopper 14, stopper 14 produces ascending thrust to cylinder 12, thereby make cylinder 12 not support with location section of thick bamboo 10 this moment, accomplish the back along with the leather cutting, actuating mechanism drive stopper 14 moves down, stopper 14 drive cylinder 12 moves down, thereby make cylinder 12 support with location section of thick bamboo 10 and support, thereby press from both sides tightly the leather between cylinder 12 and the location section of thick bamboo 10, along with the rotation of location section of thick bamboo 10, the leather that cuts down is under the effect of frictional force, realize the ejection of compact.

As shown in fig. 3-4, cutting mechanism includes carriage release lever 16, blade 17 and second spring 18, be equipped with the bar groove on the support, the one end of carriage release lever 16 is located the bar inslot, carriage release lever 16 and bar groove sliding connection, second spring 18 sets up at the bar inslot, the one end and the bar groove connection of second spring 18, the other end and the carriage release lever 16 of second spring 18 are connected, blade 17 sets up the one end of keeping away from the bar groove at carriage release lever 16, be equipped with the recess on the support, blade 17 stretches into in the recess.

The driving mechanism drives the moving rod 16 to move, the moving rod 16 drives the blade 17 to move, so that the blade 17 cuts leather, after the cutting is completed, the second spring 18 is in a deformation state at the moment, restoring force of the second spring 18 generates reverse pulling force on the moving rod 16, so that the moving rod 16 reversely moves to an initial position, so that the blade 17 reversely moves to the initial position, so that preparation is made for next cutting, here, the moving rod 16 is positioned in the strip-shaped groove, so that the moving rod 16 can only move along the axial direction of the strip-shaped groove, so that the movement of the moving rod 16 is limited, the moving rod 16 moves to drive the walking block 40 to move, the walking block 40 is positioned in the walking groove, so that the walking block 40 can only move along the axial direction of the walking groove, so that the movement of the walking block 40 is limited, so that the movement of the moving rod 16 is better limited, the walking block 40 moves to drive the pulley 41 to move, and the pulley 41 is located in the clamping groove, so that the pulley 41 can only roll along the axial direction of the clamping groove, the rolling of the pulley 41 is limited, the movement of the walking block 40 is better limited, and the movement of the moving rod 16 is better limited.

As shown in fig. 5, in order to drive the device and realize linkage simultaneously, the driving mechanism includes a driving assembly and a linkage assembly, the driving assembly includes a motor 19 and a half gear 20, the motor 19 is horizontally disposed on the bracket, the half gear 20 is mounted on the motor 19, the linkage assembly includes a first linkage unit, a second linkage unit and a third linkage unit, the first linkage unit includes a first rotating shaft 21, a second rotating gear 22 and a second rotating wheel 23, the first rotating shaft 21 is disposed on one side of the half gear 20, the second rotating gear 22 is sleeved on the first rotating shaft 21, the second rotating gear 22 is in key connection with the first rotating shaft 21, the second rotating gear 22 is meshed with the half gear 20, the second rotating wheels 23 are two, the two second rotating wheels 23 are respectively sleeved on the first rotating shaft 21 and the fixed shaft 1, the two second rotating wheels 23 are respectively in key connection with the first rotating shaft 21 and the fixed shaft 1, the two second rotating wheels 23 are connected through belt transmission, the second linkage unit comprises a second rotating shaft 24, a third rotating gear 25, a first reel 26, a first pull rope 27 and a third rotating wheel 28, the second rotating shaft 24 is arranged on one side, far away from the first rotating shaft 21, of the half gear 20, the third rotating gear 25 is sleeved on the second rotating shaft 24, the third rotating gear 25 is in key connection with the second rotating shaft 24, the third rotating gear 25 is arranged corresponding to the half gear 20, the first reel 26 is sleeved on the second rotating shaft 24, the first reel 26 is in key connection with the second rotating shaft 24, one end of the first pull rope 27 is connected with the first reel 26, the other end of the first pull rope 27 is connected with the limiting block 14, the third rotating wheels 28 are two, one of the third rotating wheels 28 is arranged on the motor 19, the other third rotating wheel 28 is sleeved on the positioning shaft 11, and the two third rotating wheels 28 are connected through a transmission belt, the third linkage unit comprises a second wire coil 29 and a second pull rope 30, the second wire coil 29 is sleeved on the second rotating shaft 24, the second wire coil 29 is in key connection with the second rotating shaft 24, one end of the second pull rope 30 is connected with the second wire coil 29, and the other end of the second pull rope 30 is connected with the moving rod 16.

When the motor 19 is operated, the motor 19 drives the half gear 20 to rotate, when the half gear 20 is meshed with the second rotating gear 22, the half gear 20 drives the second rotating gear 22 to rotate, the second rotating gear 22 drives the first rotating shaft 21 to rotate, the first rotating shaft 21 drives the second rotating wheel 23 connected with the first rotating shaft to rotate, the second rotating wheel 23 drives the other second rotating wheel 23 to rotate through a belt, the other second rotating wheel 23 drives the fixed shaft 1 to rotate, so that the operation of the clamping and conveying mechanism is realized, when the half gear 20 is meshed with the third rotating gear 25, the half gear 20 drives the third rotating gear 25 to rotate, the third rotating gear 25 drives the second rotating shaft 24 to rotate, the second rotating shaft 24 drives the first wire coil 26 and the second wire coil 29 to rotate simultaneously, the second wire coil 30 is wound on the second wire coil 29, so that the second wire coil 30 pulls the moving rod 16 to move, so that the cutting mechanism operates to cut the leather, at the same time, the first pulling rope 27 is wound on the first wire coil 26, so that the first pulling rope 27 pulls the limiting block 14 to move downwards, so that the discharging mechanism operates, wherein after the cutting mechanism cuts the leather, the roller 12 starts to clamp the belt with the positioning cylinder 10, and then the cut leather is conveyed.

As shown in fig. 3, in order to realize better cutting effect, the one end that the carriage release lever 16 is close to blade 17 is equipped with pre-compaction unit, pre-compaction unit has two, and two pre-compaction units set up respectively in the both sides of blade 17, pre-compaction unit includes depression bar 31, third spring 32 and pinch roller 33, be equipped with the constant head tank on the carriage release lever 16, the one end of depression bar 31 is located the constant head tank, outside the constant head tank was stretched out to the other end of depression bar 31, depression bar 31 and constant head tank sliding connection, third spring 32 sets up in the constant head tank, the one end of third spring 32 is connected with depression bar 31, the other end and the constant head tank of third spring 32 are connected, pinch roller 33 sets up the one end that is located the constant head tank at depression bar 31.

The movable rod 16 moves the driving pressure lever 31 to move, the pressure lever 31 drives the pressing wheel 33 to move, so that the pressing wheel 33 rolls on the leather, the leather driving pressing wheel 33 moves upwards, the pressing wheel 33 drives the pressing lever 31 to move upwards, so that the third spring 32 is compressed, the restoring force of the third spring 32 moves the pressing lever 31 downwards, the pressing lever 31 generates downward thrust on the pressing wheel 33, so that the pressing wheel 33 compresses the leather on two sides of the blade 17, so that the cutting part is pre-pressed, and a better cutting effect is realized.

In order to support the device, the support comprises a base 34, a support rod 35, a bottom plate 36 and a cross rod 37, the bottom plate 36 is arranged above the base 34 through the support rod 35, the cross rod 37 is arranged above the bottom plate 36, the motor 19 is arranged on the base 34, the fixing shaft 1, the limiting shaft 7 and the positioning shaft 11 are all arranged on the bottom plate 36, and the moving rod 16 is arranged on the cross rod 37.

In order to better limit the movement of the second rope 30, a first positioning wheel 38 and a second positioning wheel 39 are arranged on the second rope 30, the first positioning wheel 38 is arranged on one side of the moving rod 16, the second positioning wheel 39 is arranged on the bracket, the second positioning wheel 39 is positioned right below the first positioning wheel 38, and the second rope 30 sequentially bypasses the first positioning wheel 38 and the second positioning wheel 39.

For carrying out better spacing to the removal of carriage release lever 16, the one end that carriage release lever 16 is located the bar inslot is equipped with the piece 40 of keeping a position, the bar inslot is equipped with the groove of keeping a position, the piece 40 of keeping a position is located the groove of keeping a position, the piece 40 of keeping a position with walk a groove sliding connection.

In order to better limit the movement of the moving rod 16, the number of the positioning blocks 40 is two, the two positioning blocks 40 are respectively arranged on two sides of the moving rod 16, the number of the positioning grooves is two, and the two positioning blocks 40 are respectively positioned in the two positioning grooves.

In order to better limit the movement of the moving rod 16 and reduce friction, a pulley 41 is arranged at one end of the moving block 40, which is located in the moving groove, a clamping groove is arranged in the moving groove, the pulley 41 is located in the clamping groove, and the pulley 41 is in rolling connection with the clamping groove.

In order to better limit the movement of the movable drum 5, there are two limit units, and the two limit units are respectively arranged at two sides of the roller 12.

When the device is used, the moving cylinder 5 is pulled to enable enough space to be reserved between the moving cylinder 5 and the fixed cylinder 2, then the end part of a belt is placed between the fixed cylinder 2 and the moving cylinder 5, the moving cylinder 5 moves to drive the moving shaft 4 to move, the moving shaft 4 drives the first rotating wheels 8 connected with the moving shaft to move, so that the two first rotating wheels 8 are far away from each other, the elastic belt 9 is further stretched, the restoring force of the elastic rope generates pulling force on the two first rotating wheels 8, after the belt is placed, the moving cylinder 5 is released, the moving cylinder 5 cannot receive the pulling force, under the restoring force of the elastic belt 9, the moving cylinder approaches towards the fixed cylinder 2 to clamp the leather, then the motor 19 is operated, the motor 19 drives the half gear 20 to rotate, when the half gear 20 is meshed with the second rotating gear 22, the half gear 20 drives the second rotating gear 22 to rotate, the first rotating shaft 21 is driven by the second rotating gear 22 to rotate, the first rotating shaft 21 drives the second rotating wheel 23 connected with it to rotate, the second rotating wheel 23 drives another second rotating wheel 23 to rotate through a belt, another second rotating wheel 23 drives the fixed shaft 1 to rotate, the fixed shaft 1 drives the fixed cylinder 2 to rotate, at the same time, the fixed shaft 1 drives the first rotating gear 6 connected with it to rotate, the first rotating gear 6 drives another first rotating gear 6 to rotate, another first rotating gear 6 drives the limiting shaft 7 to rotate, the limiting shaft 7 drives the first rotating wheel 8 connected with it to rotate, the first rotating gear 6 drives another first rotating gear 6 to rotate through the elastic belt 9, another first rotating gear 6 drives the moving shaft 4 to rotate, the moving shaft 4 drives the moving cylinder 5 to rotate, so that the fixed cylinder 2 and the moving cylinder 5 rotate simultaneously, thereby transmitting the clamped leather, wherein the rotating directions of the fixed cylinder 2 and the moving cylinder 5 are adjusted through the two first rotating gears 6, so that the fixed cylinder 2 and the moving cylinder 5 rotate in the same direction, and the belt is clamped fixedly, when the half gear 20 is not engaged with the second rotating gear 22, the clamping and conveying mechanism is kept in a fixed state, and when the half gear 20 is engaged with the third rotating gear 25, the half gear 20 drives the third rotating gear 25 to rotate, the third rotating gear 25 drives the second rotating shaft 24 to rotate, the second rotating shaft 24 drives the second wire coil 29 to rotate simultaneously, the second pull rope 30 is wound on the second wire coil 29, so that the second pull rope 30 pulls the moving rod 16 to move, the moving rod 16 drives the blade 17 to move, so that the blade 17 cuts the leather, when the half gear 20 is not engaged with the third rotating gear 25, the second spring 18 is in a deformed state, and the restoring force of the second spring 18 generates a reverse pulling force on the moving rod 16, thereby making the moving rod 16 move reversely to the initial position, thereby making the blade 17 move reversely to the initial position, thereby preparing for the next cutting, here the moving rod 16 is located in the strip-shaped groove, thereby making the moving rod 16 only move along the axial direction of the strip-shaped groove, thereby limiting the movement of the moving rod 16, the moving rod 16 moves to drive the walking block 40 to move, the walking block 40 is located in the walking groove, thereby making the walking block 40 only move along the axial direction of the walking groove, thereby limiting the movement of the walking block 40, thereby better limiting the movement of the moving rod 16, the walking block 40 moves to drive the pulley 41 to move, the pulley 41 is located in the slot, thereby making the pulley 41 only roll along the axial direction of the slot, thereby limiting the rolling of the pulley 41, thereby better limiting the movement of the walking block 40, thereby better limiting the movement of the moving rod 16, here, the moving rod 16 moves the driving pressure rod 31 to move, the pressure rod 31 drives the pressure wheel 33 to move, so that the pressure wheel 33 rolls on the leather, the leather driving pressure wheel 33 moves upwards, the pressure wheel 33 drives the pressure rod 31 to move upwards, so that the third spring 32 is compressed, the restoring force of the third spring 32 moves the pressure rod 31 downwards, the pressure rod 31 generates a downward thrust on the pressure wheel 33, so that the pressure wheel 33 compresses the leather on both sides of the blade 17, so that the cutting part is pre-pressed, so that a better cutting effect is achieved, and the second rotating shaft 24 rotates and drives the first wire coil 26 to rotate, so that the first wire coil pull rope 27 is wound on the first wire coil 26, so that the first wire pull rope 27 pulls the limiting block 14 to move downwards, the limiting block 14 drives the roller 12 to move downwards, so that the roller 12 abuts against the positioning cylinder 10, so that the leather between the roller 12 and the positioning cylinder 10 is clamped, along with the rotation of the positioning cylinder 10, the leather that cuts down is under the effect of frictional force, realize the ejection of compact, stopper 14 when moving down here, make first spring 15 deformation, the restoring force of first spring 15 produces ascending thrust to stopper 14, stopper 14 produces ascending thrust to cylinder 12, thereby make cylinder 12 not support with location section of thick bamboo 10 this moment, thereby make the leather that conveys go up can block into between cylinder 12 and the location section of thick bamboo 10, here cutting mechanism is to the leather completion cutting back, cylinder 12 begins to press from both sides tight belt with location section of thick bamboo 10, then convey the leather that cuts down, thereby avoid the leather when the cutting, discharge mechanism drive belt removes, realize better cutting effect, along with the rotation of half gear 20, the leather passes through the centre gripping conveying mechanism's centre gripping conveying, then cut through cutting mechanism, the leather that cuts down then carries out the ejection of compact through discharge mechanism, therefore, automatic operation is realized, manpower is saved, and working efficiency is improved.

Compared with the prior art, this leather automatic cutting device, realize the centre gripping conveying of leather through centre gripping transport mechanism, realize the cutting of leather through cutting mechanism, realize the ejection of compact through discharge mechanism, compare with current cutting device, the device has realized centre gripping transport mechanism through an output, cutting mechanism and discharge mechanism's operation, the energy has been saved, centre gripping transport mechanism simultaneously, cutting mechanism and discharge mechanism adopt the linkage, the on-line cutting and the ejection of compact of leather have been realized, and this linkage adopts pure mechanical structure, the use of electronic component such as sensor has been avoided, the stability and the life of device have been improved, compare with current cutting mechanism, this mechanism carries out the pre-compaction to the leather, realize better cutting effect, the practicality has been improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.