1. The utility model provides a reduce film cutting device of cutting error, includes table surface (1), be connected with cutting frame (2) on table surface (1), install blade holder (3) on cutting frame (2), blade (4), its characterized in that are installed to blade holder (3) lower extreme: the equal fixedly connected with hydraulic stem (5) of a plurality of evenly distributed in two outer ends about blade holder (3), hydraulic stem (5) lower extreme fixed connection is equipped with a plurality of stacks of sunken awl range upon range of sunken awl (6), range upon range of sunken awl (6) include with hydraulic stem (5) fixed connection outer cone shell (63), be located the solid end of below and weigh down (61) and a plurality of C shape inner ring (62) that establish that overlap each other in proper order, the top C shape inner ring (62) upper end position is in outer cone shell (63), show trace ball (9) upper end position in C shape inner ring (62) of below, outer cone shell (63) lower extreme and a plurality of pressure capsules (7) of equal fixedly connected with in a plurality of lower of C shape inner ring (62) lower tip, tip fixedly connected with shows trace ball (9) under the solid end weighs down (61).

2. A film cutting apparatus for reducing cutting error as set forth in claim 1, wherein: be connected with between the top in solid end weight (61) and outer cone shell (63) and become vaulting pole (8), it makes for elastic material to become vaulting pole (8), range upon range of sunken awl (6) present the toper, and the vertical highly the same of solid end weight (61), C shape sunken ring (62) and outer cone shell (63).

3. A film cutting apparatus for reducing cutting error as set forth in claim 2, wherein: the diameter of the pressing variable sac (7) on the outer conical shell (63) is 1.5-2 times of that of the pressing variable sac (7) on the C-shaped invagination ring (62).

4. A film cutting apparatus for reducing cutting error as set forth in claim 3, wherein: the pressure variable bag (7) is internally and fixedly connected with a net supporting plate (10), compressed air and high-flow liquid are filled in the pressure variable bag (7), and the air compression multiple is not less than 1.5 times.

5. A film cutting device for reducing cutting error as claimed in claim 4, wherein: the net supporting plate (10) is arranged above the longitudinal midpoint of the pressure variable bag (7), the liquid level of the high-flow liquid is arranged below the net supporting plate (10), the lower end of the net supporting plate (10) is fixedly connected with a plurality of buffer fluff (11) which are uniformly distributed, and the buffer fluff (11) is made of an elastic material.

6. A film cutting device for reducing cutting error as claimed in claim 5, wherein: the lower end part of the laminated inward-concave cone (6) is positioned below the lower end part of the blade (4), and the lower end part of the upward pressing variable bag (7) of the outer cone shell (63) and the blade (4) are positioned on the same horizontal plane.

7. A film cutting apparatus for reducing cutting error as set forth in claim 1, wherein: show mark ball (9) including location end (91) and joint play powder change end (92) at location end (91) lower extreme, it becomes end (92) intussuseption to go out the powder and is filled with the carbon powder, and goes out powder and become end (92) center department and be provided with out the powder mouth.

8. A film cutting apparatus for reducing cutting error as set forth in claim 7, wherein: the positioning end (91) is made of a hard material, and the powder discharging variable end (92) is made of an elastic material.

9. A film cutting apparatus for reducing cutting error as set forth in claim 7, wherein: the inner wall below the powder outlet variable end (92) is fixedly embedded with a closed-cell air ring (13), and the middle part of the closed-cell air ring (13) is fixedly connected with a powder control net sheet (12).

10. A film cutting apparatus for reducing cutting error as set forth in claim 9, wherein: the closed-cell air ring (13) is filled with air, and the cross section of the closed-cell air ring (13) is of a symmetrical structure protruding towards the center.

Background

The traditional die cutting is a cutting process for the post processing of printed matters, and the die cutting process can manufacture printed matters or other paper products into a die cutting knife plate according to a pre-designed pattern for cutting, so that the shapes of the printed matters are not limited to straight edges and right angles any more.

With the continuous and rapid development of the electronic industry, especially the continuous expansion of the range of consumer electronic products, the die cutting not only limits the later period of the printed matter, but also is the production of auxiliary materials of industrial electronic products. The common products are applied to: electroacoustic, medical care, display sign, safety protection, transportation, office supplies, electronic power, communication, industrial manufacturing, family leisure and other industries. The adhesive is used for products such as mobile phones, MIDs, digital cameras, automobiles, LCDs, LEDs, FPCs, FFCs, RFID and the like, and is gradually used for the aspects of adhesion, dust prevention, shock prevention, insulation, shielding and heat conduction process protection and the like of the products. The die-cutting material for processing is rubber, single-sided or double-sided tape, foam, plastic, vinyl, silicon, metal thin tape, metal sheet, optical film, protective film, gauze, hot-melt adhesive tape, silica gel, etc.

The existing die cutting device needs to position the target object in advance and then die cut in order to guarantee the quality effect of die cutting finished products before cutting the target object, so that the die cutting error caused by displacement in the stamping process is avoided.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a film cutting device for reducing cutting errors, wherein in the die cutting process, a laminated inward-concave cone firstly fixes a target object and then cuts the target object, compared with the prior art, the fixing and die cutting are combined into one operation step, so that the die cutting efficiency is obviously improved, when the laminated inward-concave cone contacts with the die-cut object, point contact positioning is firstly carried out, the laminated inward-concave cone is gradually converted into surface contact positioning along with the downward movement of a blade, so that the positioning effect is gradually increased, compared with the situation that the laminated inward-concave cone directly faces the target object, the situation that the laminated inward-concave cone does not contact with the laminated inward-concave cone and is already displaced due to the fact that the contact area is too large when the laminated inward-concave cone is in contact is effectively avoided, so that the errors are effectively reduced, and in addition, through the arrangement of a mark displaying ball, when the errors are generated, the friction marks, and visual reminding is formed for the staff about the error.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A film cutting device capable of reducing cutting errors comprises a workbench surface, wherein a cutting frame is connected onto the workbench surface, a cutter holder is installed on the cutting frame, a blade is installed at the lower end of the cutter holder, a plurality of uniformly distributed hydraulic rods are fixedly connected to the left outer end and the right outer end of the cutter holder, a plurality of stacked sunken cone stacked sunken cones are fixedly connected to the lower end of each hydraulic rod, each stacked sunken cone comprises an outer cone shell fixedly connected with the hydraulic rods, a solid bottom plummet at the bottom and a plurality of C-shaped sunken rings sequentially sleeved with each other, the upper end of the C-shaped sunken ring at the top is positioned in the outer cone shell, the upper end of a mark displaying ball is positioned in the C-shaped sunken ring at the bottom, a plurality of pressing and changing capsules are fixedly connected to the lower ends of the outer cone shell and the plurality of C-shaped sunken rings, a mark displaying ball is fixedly connected to the lower end of the solid bottom and weighs down in the process, the laminated inner sunken cone firstly fixes a target object and then cuts the target object, compared with the prior art, fixing and die cutting are combined into one operation step, the die cutting efficiency is obviously improved, when the laminated inner sunken cone is contacted with the die cutting object, the contact positioning is carried out at first, the contact positioning is gradually changed into surface contact positioning along with the downward movement of the blade, the positioning effect is gradually increased, compared with the situation that the positioning is directly carried out on the target object, the situation that the light and thin target object is not contacted with the laminated inner sunken cone and is already shifted due to the fact that the contact area is too large when the laminated inner sunken cone is just contacted is effectively avoided, errors are effectively reduced, in addition, through the arrangement of the mark displaying ball, when the errors are generated, after the die cutting, friction marks are formed on the surface of the target object, and visual reminding is formed on the errors of workers.

Furthermore, a variable support rod is connected between the solid bottom sinker and the inner top end of the outer cone shell, the variable support rod is made of elastic materials, so that when the solid bottom sinker contacts a target object during die cutting, on one hand, the variable support rod can generate thrust to the solid bottom sinker to enable the solid bottom sinker to perform primary point positioning on the target object, and on the other hand, the variable support rod can deform due to elasticity of the variable support rod, so that the influence of the variable support rod on a plurality of C-shaped inner sunken rings and the upward inward shrinkage of the solid bottom sinker can be effectively avoided, the stacked inner sunken cones can form surface contact positioning on the target object, compared with the situation that the stacked inner sunken cones are directly positioned by facing the target object, the direct surface contact area is effectively avoided from being too large, the impact is generated on the light and thin target object, the target object is not contacted with the stacked inner sunken cones and then is displaced, the stacked inner sunken cones are conical, and the longitudinal heights of the solid bottom sinker, the C-shaped inner rings and the outer cone shell are the same, after the heart bottom plummet and the C-shaped inner sunken ring are uniformly retracted into the outer conical shell and are overlapped, the mark display ball and the pressing variable bag at the lower end part can be positioned on the same plane, so that the fixing effect on the target object is effectively ensured, the target object is not easy to deviate when the cutting stress is applied, and the error is remarkably reduced.

Furthermore, the diameter of the pressing variable sac on the outer cone shell is 1.5-2 times that of the pressing variable sac on the C-shaped invagination ring, after the laminated invagination cone is integrally laminated, the pressing variable sac on the outer cone shell is positioned on the outermost side, the diameter of the pressing variable sac is larger, the contact area between the pressing variable sac and a target object is larger, and the outer side of the extrusion part is not prone to outward warping due to local stress.

Furthermore, the pressure variable sac is fixedly connected with a net supporting plate, the pressure variable sac is filled with compressed air and high-flow liquid, the air compression multiple is not less than 1.5 times, the net supporting plate is arranged above the longitudinal midpoint of the pressure variable sac, the liquid level of the high-flow liquid is arranged below the net supporting plate, the lower end of the net supporting plate is fixedly connected with a plurality of uniformly distributed buffering villi, the buffering villi are made of elastic materials, so that the pressure variable sac has the capability of recovering the original state after deformation, and simultaneously gradually receives extrusion force in the contact process with a target object, so that the high-flow liquid passes through the net supporting plate to enter the upper part of the net supporting plate, the pressure variable sac extends towards two sides, the contact area with the target object is effectively increased, the pressure variable sac has better fixing effect when the target object is fixed, and the pressure variable sac after deformation has certain stability, and is not easy to move due to uncertainty of gas and liquid, and then make the fixed effect to the target better, effectively guarantee when the cutting atress, the target is difficult for squinting, is showing the reduction error volume.

Furthermore, the lower end part of the laminated inward-concave cone is positioned below the lower end part of the blade, and the lower end part of the upper pressure variable sac of the outer cone shell and the blade are positioned on the same horizontal plane, so that the laminated inward-concave cone is not easy to influence the die cutting of the blade on a target object.

Furthermore, show trace ball includes location end and joint and becomes the end at the play powder of location end lower extreme, it becomes the end intussuseption and is filled with the carbon dust to go out powder, and goes out powder and become end center department and be provided with out the powder mouth.

Furthermore, the location end is made for hard material, go out the powder and become the end and make for elastic material, when making it just contact with the target object, inside carbon dust is unrestrained under the vibrations power effect of contact, goes out the powder simultaneously and becomes the end and can deform to with target object extrusion contact, make the difficult removal that takes place the position of the carbon dust that overflows, and then make behind the cross cutting, can be according to whether there is the friction trace in the carbon dust, whether squints when judging the cross cutting, according to the size of friction trace, judge the size of skew poor emergence error, and then can form audio-visual warning to the staff about the error after the cross cutting.

Furthermore, a closed-pore air ring is fixedly embedded in the inner wall below the powder outlet variable end, a powder control net piece is fixedly connected to the middle of the closed-pore air ring, and the powder control net piece is used for intercepting carbon powder, so that the carbon powder is not easy to overflow too much at one time.

Further, the obturator air ring is internally filled with air, the cross section of the obturator air ring is of a symmetrical structure protruding towards the center, when the carbon powder is just contacted, the carbon powder passes through the powder control mesh and falls, the obturator air ring is stressed and extruded to deform towards the middle part along with continuously receiving extrusion force, the inner wall of the obturator air ring is contacted with each other, and then the powder outlet is plugged, so that the fixation of a target object and the die cutting process are effectively guaranteed, the carbon powder is not easy to overflow too much, the material waste is reduced, and the frequency of carbon powder supplement is reduced.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) in the scheme, the stacked sunken cones are fixed on the target object firstly and then cut, compared with the prior art, the fixing and die cutting are combined into one operation step, the die cutting efficiency is obviously improved, when the stacked sunken cones are contacted with the die cutting object, the first point contact positioning is carried out, the blade moves downwards and is gradually converted into surface contact positioning, the positioning effect is gradually increased, compared with the situation that the blade directly faces the target object for positioning, the situation that the light and thin target object is not contacted with the stacked sunken cones and is already shifted due to impact caused by overlarge contact area when just contacted is effectively avoided, and further errors are effectively reduced.

(2) The solid bottom plummet and the inner top end of the outer cone shell are connected with the variable supporting rod which is made of elastic material, so that when the solid bottom plummet is contacted with a target object in die cutting, the variable supporting rod can generate thrust on the solid bottom plummet on one hand to enable the solid bottom plummet to carry out primary point positioning on the target object, and meanwhile, the variable supporting rod can deform due to elasticity, so that the situation that a plurality of C-shaped inner sunken rings are influenced by the variable supporting rod and the solid bottom plummet contracts upwards is effectively avoided, the stacked inner sunken cones can form surface contact positioning on the target object, compared with the situation that the stacked inner sunken cones are positioned directly by facing the target object, the situation that the target object is displaced without contacting with the stacked inner sunken cones is effectively avoided, the stacked inner sunken cones are conical, the longitudinal heights of the solid bottom plummet, the C-shaped inner sunken rings and the outer cone shell are the same, and the solid bottom plummet and the C-shaped inner sunken rings are uniformly overlapped in the outer cone shell, the mark-displaying ball and the pressing variable bag at the lower end part can be positioned on the same plane, so that the fixing effect on the target object is effectively ensured, the target object is not easy to deviate when cutting is stressed, and the error is obviously reduced.

(3) The diameter of the pressing variable sac on the outer cone shell is 1.5-2 times of that of the pressing variable sac on the C-shaped invagination ring, after the laminated invagination cone is integrally laminated, the pressing variable sac on the outer cone shell is positioned on the outermost side, the diameter of the pressing variable sac is larger, the contact area with a target object is larger, and the outer side of the extrusion part is not prone to outward warping due to local stress.

(4) The pressure variable sac is internally and fixedly connected with a net supporting plate, compressed air and high-flow liquid are filled in the pressure variable sac, the air compression multiple is not less than 1.5 times, the net supporting plate is arranged above the longitudinal midpoint of the pressure variable sac, the liquid level of the high-flow liquid is positioned below the net supporting plate, the lower end of the net supporting plate is fixedly connected with a plurality of uniformly distributed buffering villi, the buffering villi are made of elastic materials, so that the pressure variable sac has the capability of recovering the original state after deformation, and simultaneously gradually receives extrusion force in the contact process with a target object, so that the high-flow liquid state penetrates through the net supporting plate to enter the upper part of the net supporting plate, the pressure variable sac extends towards two sides, the contact area with the target object is effectively increased, when the target object is fixed, the fixing effect on the pressure variable sac is better, meanwhile, the net supporting plate enables the pressure variable sac after deformation to have certain stability, the pressure variable sac is not easy to move due to gas and liquid, and further the fixing effect on the target object is better, effectively guarantee when the cutting atress, the target object is difficult for squinting, is showing the reduction error volume.

(5) The lower end part of the laminated inward-concave cone is positioned below the lower end part of the blade, and the lower end part of the upward pressing variable sac of the outer cone shell and the blade are positioned on the same horizontal plane, so that the laminated inward-concave cone is not easy to influence the die cutting of the blade on a target object.

(6) The mark displaying ball comprises a positioning end and a powder discharging variable end clamped at the lower end of the positioning end, carbon powder is filled in the powder discharging variable end, and a powder discharging port is formed in the center of the powder discharging variable end.

(7) The location end is made for hard material, it becomes the end to go out the powder and make for elastic material, when making it just contact with the target object, inside carbon dust is unrestrained under the vibrations power effect of contact, it becomes the end can be out deformation simultaneously to go out the powder, thereby with target object extrusion contact, make the difficult removal that takes place the position of the carbon dust that overflows, and then make behind the cross cutting, can have the friction vestige according to the carbon dust, whether squint when judging the cross cutting, according to the size of friction vestige, judge the size of skew difference birth error, and then can form audio-visual warning about the error to the staff after the cross cutting.

(8) A closed-pore air ring is fixedly embedded in the inner wall below the powder outlet variable end, a powder control net piece is fixedly connected to the middle of the closed-pore air ring, and the powder control net piece is used for intercepting carbon powder, so that the carbon powder is not easy to overflow too much at one time.

(9) The obturator air ring is internally filled with air, and the obturator air ring cross-section is towards the bellied symmetrical structure of center department, when just contacting, the carbon dust passes accuse powder net piece whereabouts, along with continuously receiving the extrusion force, obturator air ring atress extrusion to can middle part deformation, make obturator air ring inner wall contact each other, and then the shutoff goes out the powder mouth, effectively guarantees at fixed and cross cutting in-process to the target object, and the carbon dust is difficult for overflowing too much to reduce the material waste, reduce the frequency of supplementing the carbon dust simultaneously.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure at the blade of the present invention;

FIG. 3 is a schematic structural view of a cross section of a laminated internal countersink of the present invention;

FIG. 4 is a structural diagram illustrating a variation of the fixation of the target object by the inner cone of the stack from point fixation to surface fixation according to the present invention;

FIG. 5 is a schematic view of a buckling bladder of the present invention;

FIG. 6 is a structural diagram illustrating the change process of the buckling-restrained brace of the present invention after being stressed;

FIG. 7 is a schematic structural diagram of a ball portion of the present invention.

The reference numbers in the figures illustrate:

1 table surface, 2 cutting frames, 3 tool holders, 4 blades, 5 hydraulic rods, 6 laminated inner sunken cones, 61 solid bottom pendants, 62C-shaped inner sunken rings, 63 outer cone shells, 7-pressure variable capsules, 8 variable supporting rods, 9 mark-showing balls, 91 positioning ends, 92 powder-discharging variable ends, 10 mesh supporting plates, 11 buffer fluffs, 12 powder-controlling mesh sheets and 13 closed-hole air rings.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a film cutting device for reducing cutting errors comprises a working table 1, a cutting frame 2 is connected to the working table 1, a tool apron 3 is installed on the cutting frame 2, a blade 4 is installed at the lower end of the tool apron 3, a plurality of uniformly distributed hydraulic rods 5 are fixedly connected to the left outer end and the right outer end of the tool apron 3, a plurality of stacked sunken awl layers of sunken awl 6 are fixedly connected to the lower end of the hydraulic rods 5, the lower end of each stacked sunken awl 6 is located below the lower end of the blade 4, and the lower end of an upper pressure variable sac 7 of an outer awl shell 63 and the blade 4 are located on the same horizontal plane, so that the stacked sunken awl 6 is not prone to affect die cutting of the blade 4 on a target object.

Referring to fig. 3, the laminated inward-concave cone 6 includes an outer cone shell 63 fixedly connected to the hydraulic rod 5, a solid bottom weight 61 positioned at the lowermost portion, and a plurality of C-shaped inward-concave rings 62 sequentially sleeved with each other, the upper end portion of the C-shaped inward-concave ring 62 positioned at the uppermost portion is positioned in the outer cone shell 63, the upper end portion of the trace-displaying ball 9 is positioned in the C-shaped inward-concave ring 62 positioned at the lowermost portion, the lower end portion of the outer cone shell 63 and the lower end portions of the plurality of C-shaped inward-concave rings 62 are fixedly connected to a plurality of pressure-variable capsules 7, a variable support rod 8 is connected between the solid bottom weight 61 and the inner top end of the outer cone shell 63, the variable support rod 8 is made of an elastic material, so that when the solid bottom weight 61 contacts an object during die cutting, the variable support rod 8 can generate a thrust force on the solid bottom weight 61 to primarily position the object, and at the same time, the variable support rod 8 can deform the variable support rod 8 can effectively prevent the plurality of C-shaped inward-concave rings 62 and the solid bottom weight 61 from being upwardly contracted, effectively guarantee that range upon range of internal cone 6 can form the face contact location to the target object, compare in directly through locating towards the target object, effectively avoid direct face area of contact too big, produce the impact to frivolous target object, cause the target object not yet with range upon range of internal cone 6 contact the condition emergence that just has shifted, range upon range of internal cone 6 presents the toper, and solid end drop 61, C shape internal cone 62 and outer cone shell 63's vertical height is the same, effectively guarantee heart end drop 61 and C shape internal cone shell 63 coincide back in all indenting outer cone shell, the apparent trace ball 9 of lower tip, press the capsule 7 homoenergetic to be located the coplanar, effectively guarantee the fixed effect to the target object, make when cutting atress, the target object is difficult for squinting, show the reduction error volume.

The diameter of the pressing variable sac 7 on the outer cone shell 63 is 1.5-2 times of that of the pressing variable sac 7 on the C-shaped invagination ring 62, after the laminated invagination cones 6 are integrally laminated, the pressing variable sac 7 on the outer cone shell 63 is positioned on the outermost side, the diameter of the pressing variable sac is larger, the contact area with a target object is larger, and the outer side of the extrusion part is not easy to warp due to local stress.

Referring to fig. 5, a in the figure shows a high-flow liquid, the high-flow liquid may be water, a mesh support plate 10 is fixedly connected inside a pressure variable bag 7, the pressure variable bag 7 is filled with compressed air and the high-flow liquid, the air compression multiple is not less than 1.5 times, the mesh support plate 10 is above the longitudinal midpoint of the pressure variable bag 7, the liquid level of the high-flow liquid is located below the mesh support plate 10, the lower end of the mesh support plate 10 is fixedly connected with a plurality of uniformly distributed buffer fluff 11, the buffer fluff 11 is made of an elastic material, so that the pressure variable bag 7 has the capability of recovering the original state after being deformed, and is gradually subjected to an extrusion force in the process of contacting with a target, so that the high-flow liquid penetrates through the mesh support plate 10 to enter above the mesh support plate 10, the pressure variable bag 7 extends towards both sides, the contact area with the target is effectively increased, the fixing effect on the target is better, and the mesh support plate 10 makes the pressure variable bag 7 have a certain stability after being deformed, the device is not easy to move due to uncertainty of gas and liquid, so that the fixing effect on the target object is better, the target object is not easy to deviate when cutting stress is effectively guaranteed, and the error is obviously reduced.

Referring to fig. 7, a mark displaying ball 9 is fixedly connected to the lower end of the solid bottom drop 61, the mark displaying ball 9 includes a positioning end 91 and a powder discharging variable end 92 clamped to the lower end of the positioning end 91, the powder discharging variable end 92 is filled with carbon powder, a powder discharging port is arranged at the center of the powder discharging variable end 92, the positioning end 91 is made of hard material, the powder discharging variable end 92 is made of elastic material, so that when the powder discharging variable end is just contacted with a target object, the carbon powder inside the powder discharging variable end is scattered under the action of contact vibration force, meanwhile, the powder discharging variable end 92 can deform and is in extrusion contact with the target object, the overflowing carbon powder is not easy to move, after die cutting, whether die cutting is deviated or not can be judged according to whether the carbon powder has friction marks or not, the deviation difference error is judged according to the size of the friction marks, so that a worker can be visually reminded about the error after die cutting, a closed hole air ring 13 is fixedly embedded on the inner wall below the powder discharging variable end 92, closed cell gas ring 13 middle part fixedly connected with accuse powder net piece 12, accuse powder net piece 12 is used for intercepting the carbon dust, make it difficult once overflow too much, closed cell gas ring 13 intussuseption is filled with the air, and closed cell gas ring 13 cross-section is for locating bellied symmetrical structure towards the center, when just contacting, the carbon dust passes accuse powder net piece 12 whereabouts, along with continuing to receive the extrusion force, closed cell gas ring 13 atress extrusion is to can middle part deformation, make closed cell gas ring 13 inner wall contact each other, and then the shutoff goes out the powder mouth, effectively guarantee at fixed and cross cutting in-process to the target object, the carbon dust is difficult for overflowing too much, thereby reduce the material waste, reduce the frequency of supplementing the carbon dust simultaneously.

In the die cutting process, the laminated inward-concave cone 6 firstly fixes the target object and then cuts the target object, compared with the prior art, the fixing and the die cutting are combined into one operation step, so that the die cutting efficiency is obviously improved, please refer to fig. 4, when the laminated inward-concave cone 6 is in contact with the die-cut object, the contact positioning is firstly carried out, the contact positioning is gradually changed into the surface contact positioning along with the downward movement of the blade 4, so that the positioning effect is gradually increased, compared with the situation that the positioning is directly carried out by facing the target object, the situation that the light and thin target object is shifted without being in contact with the laminated inward-concave cone 6 due to the fact that the impact is generated on the light and thin target object due to the fact that the contact area is too large when the light and thin target object is in contact with the laminated inward-concave cone 6 is effectively avoided, and further errors are effectively reduced, and in addition, through the arrangement of the mark displaying ball 9, when the errors are generated, friction marks are formed on the surface of the target object after the die-cut, so that visual reminding about the errors of workers is formed.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.