1. The sand blasting machine with the impurity removing function comprises a main body (1) and a sand blasting device (2), wherein the sand blasting device (2) is arranged on one side of the main body (1), a feeding pipe (3) is arranged above the main body (1), the feeding pipe (3) is communicated with the inside of the main body (1), and a PLC is arranged in the main body (1), and the sand blasting machine with the impurity removing function is characterized by further comprising an impurity removing mechanism and a drying mechanism, wherein the impurity removing mechanism is arranged at the top in the main body (1), and is connected with the drying mechanism;

the impurity removing mechanism comprises a filter screen (4), a rotating ring (5), two shaking components, two driving components and a plurality of crushing components, one end of the rotary ring (5) is abutted against the top in the main body (1), the filter screen (4) is connected with the inner wall of the other end of the rotary ring (5), the rotating ring (5) and the feeding pipe (3) are coaxially arranged, the two shaking assemblies are symmetrically arranged relative to the axis of the rotating ring (5), the shaking component is arranged below the filter screen (4) and is connected with the rotating ring (5), the driving component is connected with the drying mechanism, the crushing components are uniformly arranged on the inner ring of the rotating ring (5) along the circumferential direction, the lower part of the filter screen (4) is connected with a drying mechanism, the periphery of the rotating ring (5) is provided with an annular groove, the inner wall of the annular groove is uniformly provided with convex teeth in the circumferential direction, and the convex teeth are connected with the drying mechanism;

the smashing assembly comprises a nozzle (13), a fixed pipe (12) and a plurality of sawteeth (6), the nozzle (13) is connected with the inner wall of one end, close to the feeding pipe (3), of a rotating ring (5), an annular cavity is arranged at one end, close to the feeding pipe (3), of the rotating ring (5), a plurality of through holes are formed in the inner wall of one side, close to the sawteeth (6), of the annular cavity, the through holes are communicated with the annular cavity, the number of the through holes is equal to that of the fixed pipe (12), the two ends of the fixed pipe (12) are respectively connected with the inner wall of the through holes and the nozzle (13), the nozzle (13) is communicated with the inside of the cavity through the fixed pipe (12), and the cavity is connected with the shaking assembly;

the drying mechanism comprises a rotating assembly, a stirring assembly, a connecting box (21), an impurity removing net (20), a power assembly, an air inlet pipe, an air outlet pipe (22) and a plurality of heating rods (19), wherein the two connecting boxes (21) are respectively connected with two sides of the upper part of the main body (1), the air inlet pipe is communicated with the upper part of the connecting box (21), the lower part of the connecting box (21) is communicated with the inner part of the main body (1) through the air outlet pipe (22), the air inlet pipe and the air outlet pipe (22) are internally provided with first check valves, the first check valves and the heating rods (19) are electrically connected with a PLC (programmable logic controller), the impurity removing net (20) is horizontally arranged in the connecting box (21), the heating rods (19) are uniformly arranged below the impurity removing net (20), two ends of the heating rods (19) are respectively connected with the inner walls of two sides of the connecting box (21), the power assembly is connected with the rotating assembly, the rotating assembly is connected with the convex teeth, the stirring assembly is arranged at the bottom of the main body (1), and the stirring assembly is connected with the lower part of the filter screen (4).

2. The sand blasting machine with the impurity removing function according to claim 1, wherein the shaking assembly comprises a shaking rod (7), a support rod (10) and a first spring (11), two blind holes are arranged below the rotary ring (5), one end of the support rod (10) is arranged inside the blind holes, the support rod (10) is matched with the blind holes, the periphery of the support rod (10) is in sealed sliding connection with the inner walls of the blind holes, two ends of the first spring (11) are respectively connected with the top part in the blind holes and one end of the support rod (10), the top part in the blind holes is provided with a through hole, the blind holes are communicated with the inside of the annular cavity through the through hole, one side of the blind holes is provided with a through hole, a second one-way valve is arranged in each of the through hole and is electrically connected with the PLC, the other end of the support rod (10) is connected with one end of the shaking rod (7), the shaking rod (7) is horizontally arranged below the filter screen (4).

3. The sandblast machine with impurity removing function as claimed in claim 2, wherein said driving assembly comprises a driving rod, a first magnet block (8) and a second magnet block (9), a gap is arranged below said shaking rod (7), the upper part of said first magnet block (8) is connected with the inner wall of said gap, one side of said second magnet block (9) is connected with one end of said driving rod, the other end of said driving rod is connected with said stirring assembly, and the magnetic pole under said first magnet block (8) is the same as the magnetic pole above said second magnet block (9).

4. The sand blasting machine with the impurity removing function according to claim 1, wherein the rotating assembly comprises a first bearing, a rotating shaft (17), a gear (16) and a plurality of fan blades (18), the first bearing is arranged at the top in the connecting box (21), each fan blade (18) is circumferentially and uniformly arranged on the periphery of one end of the rotating shaft (17), the rotating shaft (17) is connected with an inner ring of the first bearing, the other end of the rotating shaft (17) is connected with the gear (16), the gear (16) is meshed with the convex teeth, and the rotating shaft (17) is connected with the power assembly.

5. The sand blasting machine with the impurity removing function according to claim 4, wherein the power assembly comprises a motor (25), a power shaft (24) and two bevel gears (23), the two motors (25) are respectively connected with the inner walls of the two sides of the main body (1), the motor (25) is in transmission connection with one end of the power shaft (24), the other end of the power shaft (24) is connected with one bevel gear (23), the other bevel gear (23) is connected with the rotating shaft (17), the two bevel gears (23) are meshed, and the motor (25) is electrically connected with the PLC.

6. The sand blasting machine with the impurity removing function according to claim 3, wherein the stirring assembly comprises a second bearing, a connecting shaft (14) and a plurality of stirring plates (15), the second bearing is arranged at the top in the main body (1), two ends of the connecting shaft (14) are respectively connected with an inner ring of the second bearing and the lower part of the filter screen (4), the driving rod is connected with the connecting shaft (14), and the stirring plates (15) are circumferentially and uniformly arranged on the periphery of the connecting shaft (14).

Background

The sand blasting machine is a process for cleaning and roughening the surface of a matrix by utilizing the impact action of high-speed sand flow. The compressed air is used as power to form a high-speed jet beam to jet the jet material to the surface of a workpiece to be processed at a high speed, so that the appearance or the shape of the outer surface of the workpiece surface is changed, the surface of the workpiece obtains certain cleanliness and different roughness due to the impact and the cutting action of an abrasive on the surface of the workpiece, and the mechanical property of the surface of the workpiece is improved, so that the fatigue resistance of the workpiece is improved, the adhesive force between the workpiece and a coating is increased, the durability of a coating film is prolonged, the leveling and decoration of a coating are facilitated, and the sand blasting machine can be used for grinding ships and plays an important role in ship manufacturing.

Present sand blasting machine is at the during operation, if humidity is too big, lead to the phenomenon of caking to appear in the raw materials easily, thereby influence the normal work of sandblast easily, thereby reduced present sand blasting machine's reliability, moreover, present sand blasting machine is when the sandblast, if the raw materials contain impurity content when too much, block up sand blasting unit easily, increase the probability that sand blasting unit damaged, normally go on to the sandblast work and produce the influence, thereby current sand blasting machine's practicality has been reduced.

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 sand blasting machine with the impurity removing function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sand blasting machine with an impurity removing function comprises a main body and a sand blasting device, wherein the sand blasting device is arranged on one side of the main body, a feeding pipe is arranged above the main body and is communicated with the inside of the main body, a PLC is arranged in the main body, the sand blasting machine also comprises an impurity removing mechanism and a drying mechanism, the impurity removing mechanism is arranged at the top in the main body, and the impurity removing mechanism is connected with the drying mechanism;

the impurity removing mechanism comprises a filter screen, a rotating ring, two shaking assemblies, two driving assemblies and a plurality of crushing assemblies, one end of the rotating ring is abutted to the top in the main body, the filter screen is connected with the inner wall of the other end of the rotating ring, the rotating ring is coaxially arranged with the feeding pipe, the two shaking assemblies are symmetrically arranged about the axis of the rotating ring, the shaking assemblies are arranged below the filter screen and are connected with the rotating ring, the driving assemblies are connected with the drying mechanism, the crushing assemblies are uniformly arranged on the inner ring of the rotating ring in the circumferential direction, the lower part of the filter screen is connected with the drying mechanism, annular grooves are formed in the periphery of the rotating ring, convex teeth are uniformly arranged on the inner wall of the annular grooves in the circumferential direction and are connected with the drying mechanism;

the crushing assembly comprises a nozzle, a fixed pipe and a plurality of sawteeth, the nozzle is connected with the inner wall of one end, close to the feeding pipe, of the rotating ring, an annular cavity is arranged at one end, close to the feeding pipe, of the rotating ring, a plurality of through holes are formed in the inner wall of one side, close to the sawteeth, of the annular cavity, the through holes are communicated with the annular cavity, the number of the through holes is equal to that of the fixed pipe, two ends of the fixed pipe are respectively connected with the inner wall of the through holes and the nozzle, the nozzle is communicated with the inside of the cavity through the fixed pipe, and the cavity is connected with the shaking assembly;

drying mechanism includes runner assembly, stirring subassembly, connecting box, edulcoration net, power component, intake pipe, outlet duct and a plurality of heating rod, and two connecting boxes are connected with the both sides of the top of main part respectively, the top intercommunication of intake pipe and connecting box, the inside intercommunication of outlet duct and main part is passed through to the below of connecting box, all be equipped with first check valve in intake pipe and the outlet duct, first check valve and heating rod all are connected with the PLC electricity, edulcoration net level sets up in the inside of connecting box, and each heating rod evenly sets up the below at the edulcoration net, the both ends of heating rod respectively with the interior wall connection of the both sides of connecting box, power component is connected with the runner assembly, the runner assembly is connected with the dogtooth, the stirring subassembly sets up the bottom in the main part, the stirring subassembly is connected with the below of filter screen.

As preferred, in order to realize the function of shake filter screen, the shake subassembly is including shaking pole, branch and first spring, the below of swivel is equipped with two blind holes, the one end setting of branch is in the inside of blind hole, branch and blind hole match, the periphery of branch and the sealed sliding connection of inner wall of blind hole, the both ends of first spring are connected with the top in the blind hole and the one end of branch respectively, top in the blind hole is equipped with the through hole, the blind hole passes through the inside intercommunication of through hole and toroidal cavity, one side of blind hole is equipped with the through-hole, all be equipped with the second check valve in through-hole and the through-hole, the second check valve is connected with the PLC electricity, the other end of branch is connected with the one end of shaking the pole, the shake pole level sets up the below at the filter screen.

Preferably, for the drive shaker pole reciprocates, drive assembly includes actuating lever, first magnet piece and second magnet piece, the below of shaker pole is equipped with the breach, the top of first magnet piece and the interior wall connection of breach, one side of second magnet piece is connected with the one end of actuating lever, the other end and the stirring subassembly of actuating lever are connected, the magnetic pole of the below of first magnet piece is the same with the magnetic pole of the top of second magnet piece.

Preferably, in order to drive the rotating ring to rotate, the rotating assembly comprises a first bearing, a rotating shaft, a gear and a plurality of fan blades, the first bearing is arranged at the top of the connecting box, the fan blades are circumferentially and uniformly arranged on the periphery of one end of the rotating shaft, the rotating shaft is connected with an inner ring of the first bearing, the other end of the rotating shaft is connected with the gear, the gear is meshed with the convex teeth, and the rotating shaft is connected with the power assembly.

Preferably, in order to drive the rotating shaft to rotate, the power assembly comprises a motor, a power shaft and two bevel gears, the two motors are respectively connected with the inner walls of the two sides of the main body, the motors are in transmission connection with one end of the power shaft, the other end of the power shaft is connected with one of the bevel gears, the other bevel gear is connected with the rotating shaft, the two bevel gears are meshed, and the motors are electrically connected with the PLC.

As preferred, in order to realize the function of stirring, the stirring subassembly includes second bearing, connecting axle and a plurality of stirring board, the top of second bearing setting in the main part, the both ends of connecting axle are connected with the inner circle of second bearing and the below of filter screen respectively, the actuating lever is connected with the connecting axle, and each stirring board circumference evenly sets up on the periphery of connecting axle.

The invention has the advantages that the sand blasting machine with the impurity removing function realizes the purpose of impurity removal through the impurity removing mechanism, reduces the probability of blockage of the sand blasting device by impurities, thereby not influencing the sand blasting work and improving the reliability of the equipment, compared with the prior impurity removing mechanism, the impurity removing mechanism can also crush wet caked raw materials, prevent the caked raw materials from passing through a filter screen to cause the waste of the filter screen, thereby improving the environmental protection of the equipment, realize the drying function through the drying mechanism, prevent the wetted materials from caking to block the sand blasting device, thereby avoiding influencing the normal operation of sand blasting, further improving the reliability of the equipment, compared with the prior drying mechanism, the drying mechanism and the impurity removing mechanism are an integrated linkage mechanism, and can also realize the function of stirring the raw materials in the main body, so that the raw materials can be heated uniformly, and the drying effect is improved.

Drawings

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

FIG. 1 is a schematic structural diagram of a sand blasting machine with impurity removal function according to the present invention;

FIG. 2 is a schematic structural diagram of a drying mechanism of the sand blasting machine with impurity removing function according to the invention;

FIG. 3 is a schematic structural diagram of a shaking assembly of the sand blasting machine with impurity removal function according to the invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1. the main body comprises a sand blasting device 2, a feeding pipe 3, a filter screen 4, a rotating ring 5, sawteeth 6, a shaking rod 7, a first magnet block 8, a second magnet block 9, a support rod 10, a first spring 11, a fixed pipe 12, a nozzle 13, a connecting shaft 14, a stirring plate 15, a gear 16, a rotating shaft 17, a fan blade 18, a heating rod 19, a cleaning net 20, a connecting box 21, a connecting box 22, an air outlet pipe 23, a bevel gear 24, a power shaft 25 and a motor.

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, a sand blasting machine with an impurity removing function comprises a main body 1 and a sand blasting device 2, wherein the sand blasting device 2 is arranged on one side of the main body 1, a feeding pipe 3 is arranged above the main body 1, the feeding pipe 3 is communicated with the inside of the main body 1, a PLC is arranged in the main body 1, the sand blasting machine further comprises an impurity removing mechanism and a drying mechanism, the impurity removing mechanism is arranged at the top in the main body 1, and the impurity removing mechanism is connected with the drying mechanism;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This sand blasting machine with edulcoration function passes through edulcoration mechanism, has realized the purpose of edulcoration, has reduced sand blasting unit 2 by the probability of impurity jam to can not exert an influence to the sandblast work, thereby improve the reliability of equipment, through drying mechanism, realized the function of drying, prevent the material caking that wets and block up sand blasting unit 2, thereby avoid causing the influence to the normal clear of sandblast, thereby improved the reliability of equipment.

As shown in fig. 2-4, the impurity removing mechanism includes a filter screen 4, a rotating ring 5, two shaking assemblies, two driving assemblies and a plurality of crushing assemblies, one end of the rotating ring 5 abuts against the top of the main body 1, the filter screen 4 is connected with the inner wall of the other end of the rotating ring 5, the rotating ring 5 is coaxially arranged with the feeding pipe 3, the two shaking assemblies are symmetrically arranged about the axis of the rotating ring 5, the shaking assemblies are arranged below the filter screen 4 and are connected with the rotating ring 5, the driving assemblies are connected with the drying mechanism, the crushing assemblies are uniformly arranged on the inner ring of the rotating ring 5 in the circumferential direction, the lower part of the filter screen 4 is connected with the drying mechanism, an annular groove is arranged on the periphery of the rotating ring 5, and convex teeth are uniformly arranged on the inner wall of the annular groove in the circumferential direction and are connected with the drying mechanism;

the crushing assembly comprises a nozzle 13, a fixed pipe 12 and a plurality of sawteeth 6, the nozzle 13 is connected with the inner wall of one end, close to the feeding pipe 3, of the rotating ring 5, an annular cavity is arranged at one end, close to the feeding pipe 3, of the rotating ring 5, a plurality of through holes are formed in the inner wall of one side, close to the sawteeth 6, of the annular cavity, the through holes are communicated with the annular cavity, the number of the through holes is equal to that of the fixed pipe 12, the two ends of the fixed pipe 12 are respectively connected with the inner wall of the through holes and the nozzle 13, the nozzle 13 is communicated with the inside of the cavity through the fixed pipe 12, and the cavity is connected with the shaking assembly;

when raw materials are added into the main body 1, the raw materials fall on the filter screen 4 through the inlet pipe 3, impurities fall on the filter screen 4 through the obstruction of the filter screen 4, the raw materials after impurity removal fall on the bottom in the main body 1, so that the impurity removal purpose is realized, the probability that the sand blasting device 2 is blocked by the impurities is reduced, the sand blasting work is not influenced, the reliability of the equipment is improved, meanwhile, the drying mechanism is controlled to work, the rotating ring 5 is driven to rotate, the filter screen 4 is driven to rotate, the wet agglomerated raw materials can move towards the direction close to the saw teeth 6 under the action of centrifugal force, when the agglomerated raw materials collide with the saw teeth 6, the saw teeth 6 can crush the agglomerated raw materials, the wet agglomerated raw materials are prevented from being accumulated on the filter screen 4, the raw materials can conveniently pass through the filter screen 4, the waste of the raw materials is reduced, and the environmental protection of the equipment is improved, when the stoving mechanism during operation, can drive assembly work, make the shake subassembly work, thereby realized the function of knocking filter screen 4, make the raw materials of filter screen 4 top can be faster pass through filter screen 4, thereby the efficiency of screening edulcoration has been improved, the practicality of equipment has been improved, when the shake subassembly during operation, can also realize the function that nozzle 13 blown towards sawtooth 6, prevent that the raw materials adhesion is on sawtooth 6, avoid causing the waste of raw materials, the feature of environmental protection of equipment has been improved.

As shown in fig. 2, the drying mechanism includes a rotating assembly, a stirring assembly, a connecting box 21, an impurity removing net 20, a power assembly, an air inlet pipe, an air outlet pipe 22 and a plurality of heating rods 19, two connecting boxes 21 are respectively connected with two sides above the main body 1, the air inlet pipe is communicated with the upper part of the connecting box 21, the lower part of the connecting box 21 is communicated with the inside of the main body 1 through the air outlet pipe 22, first check valves are respectively arranged in the air inlet pipe and the air outlet pipe 22, the first check valves and the heating rods 19 are both electrically connected with the PLC, the impurity removing net 20 is horizontally arranged inside the connecting box 21, each heating rod 19 is uniformly arranged below the impurity removing net 20, two ends of the heating rods 19 are respectively connected with the inner walls of two sides of the connecting box 21, the power assembly is connected with the rotating assembly, the rotating assembly is connected with the convex teeth, the stirring assembly is arranged at the bottom inside the main body 1, the stirring component is connected with the lower part of the filter screen 4.

When materials are dried, the power assembly is controlled to work to drive the rotating assembly to work, the air pressure in the connecting box 21 is reduced, external air conveniently enters the inside of the connecting box 21 through the air inlet pipe, the air is purified through the impurity removing net 20, the heated air is guided into the inside of the main body 1 through the air outlet pipe 22 by heating of the heating rod 19, the temperature in the main body 1 is increased, raw materials in the main body 1 are heated, the raw materials can be dried, moisture in the raw materials is discharged, the drying function is realized, the sand blasting device 2 is prevented from being blocked due to moisture caking of the materials, the influence on the normal operation of sand blasting is avoided, the reliability of the equipment is improved, when the rotating assembly works, the rotating ring 5 can be driven to rotate, the filter screen 4 can be rotated, the stirring assembly can be driven to work, and the function of stirring the raw materials in the main body 1 is realized, so that the raw materials can be heated uniformly, and the drying effect is improved.

As preferred, in order to realize the function of shake filter screen 4, the shake subassembly is including shaking pole 7, branch 10 and first spring 11, the below of change 5 is equipped with two blind holes, the one end setting of branch 10 is in the inside of blind hole, branch 10 matches with the blind hole, the periphery of branch 10 and the sealed sliding connection of inner wall of blind hole, the both ends of first spring 11 are connected with top in the blind hole and the one end of branch 10 respectively, top in the blind hole is equipped with the through-hole, the inside intercommunication of through-hole and toroidal cavity is passed through to the blind hole, one side of blind hole is equipped with the through-hole, all be equipped with the second check valve in through-hole and the through-hole, the second check valve is connected with the PLC electricity, the other end of branch 10 is connected with the one end of shaking pole 7, shaking pole 7 level setting is in the below of filter screen 4.

Preferably, in order to drive the shaking rod 7 to move up and down, the driving assembly comprises a driving rod, a first magnet block 8 and a second magnet block 9, a notch is arranged below the shaking rod 7, the upper part of the first magnet block 8 is connected with the inner wall of the notch, one side of the second magnet block 9 is connected with one end of the driving rod, the other end of the driving rod is connected with the stirring assembly, and the magnetic pole below the first magnet block 8 is the same as the magnetic pole above the second magnet block 9.

When the stirring assembly works, the driving rod drives the second magnet block 9 to rotate, because the magnetic pole below the first magnet block 8 is the same as the magnetic pole above the second magnet block 9, repulsion exists between the first magnet block 8 and the second magnet block 9, when the first magnet block 8 rotates towards the direction close to the second magnet block 9, the repulsion of the second magnet block 9 on the first magnet block 8 is gradually increased, so that the shaking rod 7 can be driven to move upwards, the shaking rod 7 can strike the filter screen 4, so that the filter screen 4 vibrates, meanwhile, the first spring 11 is compressed through the supporting rod 10, when the first magnet block 8 rotates towards the direction far away from the second magnet block 9, the repulsion of the second magnet block 9 on the first magnet block 8 is gradually reduced, and therefore, the restoring force of the first spring 11 causes the shaking rod 7 to move downwards, so that the first magnet block 8 rotates, make the pole 7 of shaking reciprocate, thereby realized the function of strikeing filter screen 4, make the raw materials of filter screen 4 top can be faster pass through filter screen 4, thereby the efficiency of screening edulcoration has been improved, the practicality of equipment has been improved, when branch 10 upwards moves, can pass through the inside of the leading-in cavity of through hole with the air in the blind hole, spout from nozzle 13 of rethread fixed tube 12, thereby realize the function that nozzle 13 blows towards sawtooth 6, prevent the raw materials adhesion on sawtooth 6, avoid causing the waste of raw materials, the environmental protection of equipment has been improved, when branch 10 moves down, can get into the inside of blind hole through the through-hole with the inside air of main part 1.

Preferably, in order to drive the rotating ring 5 to rotate, the rotating assembly comprises a first bearing, a rotating shaft 17, a gear 16 and a plurality of fan blades 18, the first bearing is arranged at the top in the connecting box 21, the fan blades 18 are circumferentially and uniformly arranged on the periphery of one end of the rotating shaft 17, the rotating shaft 17 is connected with an inner ring of the first bearing, the other end of the rotating shaft 17 is connected with the gear 16, the gear 16 is meshed with the convex teeth, and the rotating shaft 17 is connected with the power assembly.

Preferably, in order to drive the rotating shaft 17 to rotate, the power assembly comprises a motor 25, a power shaft 24 and two bevel gears 23, the two motors 25 are respectively connected with the inner walls of the two sides of the main body 1, the motor 25 is in transmission connection with one end of the power shaft 24, the other end of the power shaft 24 is connected with one bevel gear 23, the other bevel gear 23 is connected with the rotating shaft 17, the two bevel gears 23 are meshed, and the motor 25 is electrically connected with the PLC.

When materials are dried, the motor 25 is controlled to be started to drive the power shaft 24 to rotate, the bevel gears 23 connected with the power shaft 24 are driven to rotate, the other bevel gear 23 is driven to rotate by the meshing of the two bevel gears 23, the rotating shaft 17 is driven to rotate, the gear 16 is driven to rotate, the rotating ring 5 is driven to rotate by the meshing of the gear 16 and the convex teeth, the fan blades 18 can be driven to rotate, the air pressure in the connecting box 21 is reduced, external air can conveniently enter the connecting box 21 through the air inlet pipe, the air is purified through the impurity removing net 20, and the heated air is guided into the main body 1 through the air outlet pipe 22 by heating of the heating rod 19, so that the temperature in the main body 1 is increased, the raw materials in the main body 1 are heated, the raw materials can be dried, moisture in the raw materials is discharged, and the drying function is realized, prevent that the material that wets from agglomerating and stopping up sand blasting unit 2 to avoid causing the influence to the normal clear of sandblast, thereby improved the reliability of equipment.

Preferably, in order to realize the function of stirring, the stirring subassembly includes second bearing, connecting axle 14 and a plurality of stirring board 15, the second bearing sets up the top in main part 1, the both ends of connecting axle 14 are connected with the inner circle of second bearing and the below of filter screen 4 respectively, the actuating lever is connected with connecting axle 14, and each stirring board 15 circumference evenly sets up on the periphery of connecting axle 14.

When the filter screen 4 rotates, the connecting shaft 14 is driven to rotate, so that the stirring plate 15 can be driven to rotate in the main body 1, the stirring plate 15 is used for stirring the raw materials in the main body 1, the raw materials can be heated uniformly, and the drying effect is improved.

When raw materials are added into the main body 1, the raw materials fall on the filter screen 4 through the inlet pipe 3, impurities fall on the filter screen 4 through the obstruction of the filter screen 4, the raw materials after impurity removal fall on the bottom in the main body 1, so that the impurity removal purpose is realized, the probability that the sand blasting device 2 is blocked by the impurities is reduced, the sand blasting work is not influenced, the reliability of the equipment is improved, meanwhile, the drying mechanism is controlled to work, the rotating ring 5 is driven to rotate, the filter screen 4 is driven to rotate, the wet agglomerated raw materials can move towards the direction close to the saw teeth 6 under the action of centrifugal force, when the agglomerated raw materials collide with the saw teeth 6, the saw teeth 6 can crush the agglomerated raw materials, the wet agglomerated raw materials are prevented from being accumulated on the filter screen 4, the raw materials can conveniently pass through the filter screen 4, the waste of the raw materials is reduced, and the environmental protection of the equipment is improved, when the stoving mechanism during operation, can drive assembly work, make the shake subassembly work, thereby realized the function of knocking filter screen 4, make the raw materials of filter screen 4 top can be faster pass through filter screen 4, thereby the efficiency of screening edulcoration has been improved, the practicality of equipment has been improved, when the shake subassembly during operation, can also realize the function that nozzle 13 blown towards sawtooth 6, prevent that the raw materials adhesion is on sawtooth 6, avoid causing the waste of raw materials, the feature of environmental protection of equipment has been improved. When materials are dried, the power assembly is controlled to work to drive the rotating assembly to work, the air pressure in the connecting box 21 is reduced, external air conveniently enters the inside of the connecting box 21 through the air inlet pipe, the air is purified through the impurity removing net 20, the heated air is guided into the inside of the main body 1 through the air outlet pipe 22 by heating of the heating rod 19, the temperature in the main body 1 is increased, raw materials in the main body 1 are heated, the raw materials can be dried, moisture in the raw materials is discharged, the drying function is realized, the sand blasting device 2 is prevented from being blocked due to moisture caking of the materials, the influence on the normal operation of sand blasting is avoided, the reliability of the equipment is improved, when the rotating assembly works, the rotating ring 5 can be driven to rotate, the filter screen 4 can be rotated, the stirring assembly can be driven to work, and the function of stirring the raw materials in the main body 1 is realized, so that the raw materials can be heated uniformly, and the drying effect is improved.

Compared with the prior art, the sand blasting machine with the impurity removing function achieves the purpose of impurity removal through the impurity removing mechanism, reduces the probability that the sand blasting device 2 is blocked by impurities, thereby not influencing the sand blasting work and improving the reliability of equipment, compared with the prior impurity removing mechanism, the impurity removing mechanism can also crush wet caked raw materials, prevent the caked raw materials from failing to pass through the filter screen 4 to cause the waste of the filter screen 4, thereby improving the environmental protection of the equipment, and achieve the drying function through the drying mechanism, prevent the wetted materials from caking to block the sand blasting device 2, thereby avoiding influencing the normal operation of sand blasting, thereby improving the reliability of the equipment, compared with the prior drying mechanism, the drying mechanism and the impurity removing mechanism are an integrated linkage mechanism, and can also achieve the function of stirring the raw materials in the main body 1, so that the raw materials can be heated uniformly, and the drying effect is 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.