CN118238307B - Plastic additive processing crushing apparatus - Google Patents

Abstract

The invention relates to the field of plastic additive production and manufacturing, in particular to plastic additive processing and crushing equipment, which comprises a pre-pressing bin, a pre-pressing unit, a crushing bin, a crushing unit, a fine grinding bin, a grinding unit and a driving motor; when the plastic auxiliary agent is crushed, the plastic auxiliary agent may adhere to the surface of crushing equipment, so that the equipment is blocked or the crushing speed is slowed down, and the plastic auxiliary agent itself may have certain toughness and elasticity, so that the crushing difficulty is increased; the prepressing unit, the crushing unit and the rolling unit are matched with each other, so that the plastic auxiliary agent can be sequentially extruded, crushed, cut, crushed and milled from top to bottom, the plastic auxiliary agent is further processed into powder, and the processing is carried out in a closed environment, so that the influence of dust escape on the environment can be prevented; and the pre-pressing unit and the crushing unit are respectively provided with a scraping assembly and a material moving plate, and both can prevent the plastic auxiliary agent from scraping the wall built-up adhesion while transporting the unbroken plastic auxiliary agent upwards and crushing the unbroken plastic auxiliary agent.

Description

Plastic additive processing crushing apparatus

Technical Field

The invention relates to the field of plastic additive production and manufacturing, in particular to plastic additive processing and crushing equipment.

Background

Plastic additives, also called plastic additives, are compounds that must be added to improve the processability of the polymer during its molding process or to improve the properties of the resin itself.

In order to improve the mixing uniformity of the plastic auxiliary agent and other raw materials and further optimize the performance of the product, the plastic auxiliary agent needs to be crushed in the processing process, the surface area of the crushed plastic auxiliary agent can be greatly increased, and the plastic auxiliary agent is favorable for chemical reaction and material mixing, so that the production efficiency and the product quality are improved.

The following problems are likely to occur in the process of pulverizing the plastic auxiliary: 1. plastic additives may adhere to the surface of the comminuting device, causing the device to clog or slowing down the comminuting rate; 2. the plastic auxiliary agent may have certain toughness and elasticity, so that higher energy consumption is required in the crushing process, and the crushing difficulty is increased.

Disclosure of Invention

In order to solve the problems, the technical scheme is that the plastic additive processing and crushing equipment comprises a pre-pressing bin, a feed inlet is arranged above the pre-pressing bin, the front cross section and the rear cross section of the pre-pressing bin are U-shaped, and a pre-pressing unit is arranged in the pre-pressing bin.

The pre-compaction unit includes the squeeze roll, bilateral symmetry normal running fit is connected with two squeeze rolls in the pre-compaction storehouse, and the equal fixedly connected with drive gear in both ends of two squeeze rolls, and be located the drive gear intermeshing of homonymy, be located left two drive gears and all link to each other with smashing the unit through band pulley and belt, evenly offered a plurality of bar grooves along circumference on the lateral wall of squeeze roll, all install the scraping assembly in the bar groove, the scraping assembly includes the scraper blade, scraper blade sliding connection links to each other with the bottom of bar groove through coupling spring, and the scraper blade cooperatees with the arc section of pre-compaction storehouse bottom, misplaces the cooperation between the scraper blade on two squeeze rolls, and the bottom of pre-compaction storehouse is connected with the filter material subassembly with scraper blade matched with.

The bottom in pre-compaction storehouse is provided with logical feed opening, and the lower extreme fixedly connected with in pre-compaction storehouse smashes the storehouse, smashes the storehouse and is provided with the crushing unit that cuts the crushing once more to the plastics auxiliary agent after the breakage, smashes the lower extreme intercommunication in storehouse and has the correct grinding storehouse, the spout has been seted up around on the correct grinding storehouse, and the discharge gate has been seted up on the right side in correct grinding storehouse, and the intercommunication has the outside to inhale the material setting on the discharge gate, is provided with the unit of milling into powder with the plastics auxiliary agent after smashing in the correct grinding storehouse, be connected with driving motor on the unit of milling.

Preferably, the filter material subassembly includes L shaped plate, filter plate, installation pole, spacing piece and reset spring, L shaped plate bilateral symmetry fixedly connected with is two, and common fixedly connected with filter plate is gone up to the vertical section of two L shaped plates, and symmetrical sliding connection has the installation pole around on the horizontal segment of L shaped plate, the top of installation pole links to each other with the bottom mounting in pre-compaction storehouse, and the bottom fixedly connected with spacing piece of installation pole, and the cover is equipped with reset spring on the installation pole, reset spring's both ends link to each other with L shaped plate and spacing piece.

Preferably, the smashing unit comprises a U-shaped cavity, transverse plates, T-shaped seats, support plates, damping springs, smashing components and vibration components, a plurality of round holes are evenly formed in the arc section of the U-shaped cavity, transverse plates are symmetrically and fixedly connected to the left side and the right side of the U-shaped cavity, the T-shaped seats are symmetrically and fixedly connected to the two transverse plates in a sliding mode, the support plates are fixedly connected to the smashing bin through the lower ends of the T-shaped seats located on the same side, the damping springs are further sleeved on the T-shaped seats, the two ends of the damping springs are fixedly connected with the transverse plates and the support plates respectively, the smashing components are arranged in the U-shaped cavity, and the vibration components are symmetrically arranged on the U-shaped cavity.

Preferably, the crushing assembly comprises a rotating shaft, damping rubber rings, a cutter holder and a material moving plate, wherein the rotating shaft is rotationally connected in a U-shaped cavity through the front damping rubber ring and the rear damping rubber ring, two ends of the rotating shaft are connected with a left driving gear through a belt wheel and a belt, a plurality of cutter holders are uniformly and fixedly connected to the rotating shaft along the front-back direction, a plurality of crushing blades are uniformly and fixedly connected to the cutter holder along the circumferential direction, and the material moving plates are commonly connected to the crushing blades on the same straight line from front to back on different cutter holders.

Preferably, the vibration assembly comprises circular plates, damping rings, arc plates and balls, wherein the circular plates are arranged in front and back symmetrically, the two circular plates are fixedly connected with the rotating shaft through the damping rings, the arc plates are arranged in front and back symmetrically and fixedly connected with the U-shaped cavity, the balls are fixedly embedded in the arc plates and the circular plates, and the arc plates are in dislocation fit with the balls on the circular plates.

Preferably, the unit of milling includes pocket board, square frame, moves board, trapezoidal piece, grinds roller and interlock subassembly, pocket board fixed connection is in accurate grinding storehouse, has evenly offered a plurality of through-holes from top to bottom to link up the pocket board, and pocket board up end sliding fit is connected with the square frame, the top butt of square frame is on accurate grinding storehouse, and the even rotation of rear end face in the square frame from left to right direction is connected with a plurality of grinds rollers, still fixedly connected with moves the board between two adjacent grinds rollers on the square frame, move the lower extreme fixedly connected with trapezoidal piece of board, be connected with interlock subassembly on the roller of grinds roller.

Preferably, the interlock subassembly includes folded plate, even axle and sideslip module, the symmetry is provided with two around the folded plate, and two folded plates all link to each other with the accurate grinding storehouse is fixed, and the vertical section of folded plate is gone up to rotate and is connected with even axle, even axle keeps away from the one end in accurate grinding storehouse and links to each other with the pivot transmission through No. two band pulleys and No. two belts, and one of them even axle keeps away from the one end fixedly connected with driving motor in accurate grinding storehouse, and even axle is close to the one end in accurate grinding storehouse and is connected with the sideslip module.

Preferably, the sideslip module includes interlock gear, rack, connecting plate, interlock board and quarter butt, interlock gear fixed connection is on the roller of milling roll, and a plurality of interlock gear below joint connection of homonymy has the rack, one of them end of interlock board links to each other with the tip fixed that the axle is close to the finish grinding storehouse, and the other end of interlock board rotates and is connected with the interlock board, rotate on the interlock board and be connected with the quarter butt, the quarter butt passes the spout and is located the fixed linking of intermediate interlock gear.

The invention has the beneficial effects that: 1. the scraping component is arranged in the prepressing unit, and when the crushing plastic auxiliary agent moves in opposite directions through the extrusion roller, the scraping component can transport the unbroken plastic auxiliary agent upwards and crush the unbroken plastic auxiliary agent again on one hand, and can scrape the filter plate and the plastic auxiliary agent adhered on the extrusion roller on the other hand, and in addition, the scraping component can periodically strike the filter plate to vibrate in the process of rotating along with the extrusion roller so as to prevent the filter plate from being blocked.

2. The material moving plate in the crushing unit can periodically contact with the U-shaped cavity in the process of rotating along with the crushing blade, so that on one hand, the plastic auxiliary agent which is not completely crushed can be conveyed upwards and crushed again, and on the other hand, the plastic auxiliary agent adhered on the U-shaped cavity can be scraped.

3. The prepressing unit, the crushing unit and the rolling unit are matched with each other, so that the plastic auxiliary agent can be sequentially extruded, crushed, cut, crushed and milled from top to bottom, the plastic auxiliary agent is further processed into powder, and the processing process is carried out in a closed environment, so that the influence of dust escape on the environment and operators can be prevented.

Drawings

The invention is further illustrated by the following figures and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a cross-sectional view of the three-dimensional structure of fig. 1 of the present invention.

FIG. 3 is a schematic perspective view of the pre-compression chamber and pre-compression unit of the present invention.

Fig. 4 is a plan sectional view of the invention in the front view of fig. 3.

Fig. 5 is a schematic perspective view showing a first view of the pulverizing bin and the pulverizing unit of the present invention.

Fig. 6 is a schematic perspective view showing a second view of the pulverizing bin and the pulverizing unit of the present invention.

Fig. 7 is a schematic perspective view of the fine grinding chamber and the grinding unit of the present invention.

In the figure: 1. a pre-pressing bin; 11. a feed inlet; 2. a prepressing unit; 21. a squeeze roll; 22. a drive gear; 23. a scraping assembly; 231. a scraper; 232. a connecting spring; 24. a filter material assembly; 241. an L-shaped plate; 242. a filter plate; 243. a mounting rod; 244. a limiting piece; 245. a return spring; 3. crushing the bin; 4. a pulverizing unit; 41. a U-shaped cavity; 411. a round hole; 42. a cross plate; 43. a T-shaped seat; 44. a support plate; 45. a damping spring; 46. a crushing assembly; 461. a rotating shaft; 462. damping rubber rings; 463. a tool apron; 464. a crushing blade; 465. a material moving plate; 47. a vibration assembly; 471. a circular plate; 472. a shock-absorbing ring; 473. an arc-shaped plate; 474. a ball; 5. fine grinding bin; 51. a chute; 52. a discharge port; 6. a milling unit; 61. a pocket plate; 611. a through hole; 62. a block; 63. moving the plate; 64. a trapezoid block; 65. grinding roller; 66. a linkage assembly; 661. a folded plate; 662. a connecting shaft; 663. a traversing module; 6631. a linkage gear; 6632. a rack; 6633. a connecting plate; 6634. a linkage plate; 6635. a short bar; 7. and driving the motor.

Detailed Description

Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.

Referring to fig. 1, a plastic additive processing and crushing device comprises a pre-pressing bin 1, a pre-pressing unit 2, a crushing bin 3, a crushing unit 4, a fine grinding bin 5, a grinding unit 6 and a driving motor 7; the top in pre-compaction storehouse 1 is provided with feed inlet 11, and the cross section is the U-shaped around the pre-compaction storehouse 1, is provided with pre-compaction unit 2 in the pre-compaction storehouse 1, and the bottom in pre-compaction storehouse 1 is provided with the feed inlet, and the lower extreme fixedly connected with in pre-compaction storehouse 1 smashes storehouse 3, smashes the storehouse 3 and is provided with crushing unit 4, smashes the lower extreme intercommunication in storehouse 3 and has accurate grinding storehouse 5, spout 51 has been seted up around on the accurate grinding storehouse 5, and discharge gate 52 has been seted up on accurate grinding storehouse 5's the right side, and the intercommunication has outside to inhale the material setting on the discharge gate 52, is provided with in accurate grinding storehouse 5 and mills unit 6, be connected with driving motor 7 on the unit 6 that mills.

During specific work, the driving motor 7 runs to drive the prepressing unit 2, the crushing unit 4 and the grinding unit 6 to run synchronously, at the moment, the plastic auxiliary to be crushed is moved into the prepressing bin 1 from the feed inlet 11, the plastic auxiliary is crushed through the prepressing unit 2, the crushed plastic auxiliary falls into the crushing bin 3 along the feed inlet, the plastic auxiliary is crushed into plastic auxiliary with smaller particles by the crushing unit 4, the plastic auxiliary with small particles continuously falls into the grinding unit 6, the grinding unit 6 grinds into powder, and finally the powder is collected into an external collecting device through an external sucking device.

Referring to fig. 2,3 and 4, the pre-pressing unit 2 includes a squeeze roller 21, a driving gear 22, a scraping assembly 23 and a filter assembly 24; the extrusion roller 21 quantity is two, and two extrusion roller 21 bilateral symmetry normal running fit connects in pre-compaction storehouse 1, and the equal fixedly connected with drive gear 22 in both ends of two extrusion roller 21, and be located the drive gear 22 intermeshing of homonymy, and two drive gears 22 that are located the left side all link to each other with crushing unit 4 through band pulley and belt, evenly offered a plurality of bar grooves along circumference on the lateral wall of extrusion roller 21, all install scraping subassembly 23 in the bar groove, the dislocation cooperation between scraping subassembly 23 on two extrusion roller 21, and the bottom in pre-compaction storehouse 1 is connected with filter material subassembly 24.

Referring to fig. 4, the scraping assembly 23 includes a scraper 231 and a connection spring 232, the scraper 231 is slidably connected in the bar-shaped groove, the scraper 231 is connected with the bottom of the bar-shaped groove through the connection spring 232, and the scraper 231 is matched with the arc-shaped section at the bottom of the pre-pressing bin 1.

When the plastic extrusion device specifically works, the driving motor 7 runs to enable the driving gear 22 positioned on the left side to rotate clockwise, so that the driving gear 22 on the right side is driven to synchronously rotate anticlockwise, and the two extrusion rollers 21 are driven to rotate in the same direction to extrude and crush the plastic auxiliary agent entering the pre-compression bin 1; in the initial state, the scraper 231 is located outside the bar-shaped groove under the action of the connecting spring 232, so that when the two squeeze rollers 21 rotate in the same direction, the scraper 231 on one squeeze roller 21 scrapes the outer surface of the other squeeze roller 21, so as to prevent the plastic additive from adhering to the surface of the squeeze roller 21.

Referring to fig. 4, the filter material assembly 24 includes an L-shaped plate 241, a filter plate 242, a mounting rod 243, a limiting plate 244 and a return spring 245, wherein the L-shaped plate 241 is fixedly connected with two in a bilateral symmetry manner, the filter plates 242 are fixedly connected with the vertical sections of the two L-shaped plates 241 together, the mounting rod 243 is fixedly connected with the horizontal sections of the L-shaped plates 241 in a front-back symmetry sliding manner, the top end of the mounting rod 243 is fixedly connected with the bottom end of the pre-pressing bin 1, the limiting plate 244 is fixedly connected with the bottom end of the mounting rod 243, the return spring 245 is sleeved on the mounting rod 243, and two ends of the return spring 245 are connected with the L-shaped plates 241 and the limiting plate 244.

In specific operation, the scraper 231 periodically collides with the filter plate 242 in the process of rotating along with the squeeze roller 21, so that the filter plate 242 moves downwards, and after the scraper 231 is separated from the filter plate 242, the filter plate 242 is reset upwards under the combined action of the L-shaped plate 241 and the reset spring 245, so that vibration can be generated on the filter plate 242, and further the filter plate 242 is prevented from being blocked by plastic additives; in addition, the scraper 231 can convey the plastic auxiliary agent with larger particles on the surface of the filter plate 242 along the arc section below the pre-pressing bin 1 between the two extrusion rollers 21 again for extrusion crushing again.

Referring to fig. 2 and 5, the crushing unit 4 includes a U-shaped cavity 41, a transverse plate 42, a T-shaped seat 43, a support plate 44, a damping spring 45, a crushing assembly 46 and a vibration assembly 47, wherein a plurality of round holes 411 are uniformly formed in an arc section of the U-shaped cavity 41, the transverse plates 42 are symmetrically and fixedly connected to the left side and the right side of the U-shaped cavity 41, the T-shaped seats 43 are symmetrically and longitudinally connected to the two transverse plates 42 in a sliding manner, the support plates 44 are fixedly connected to the lower ends of the T-shaped seats 43 on the same side together, the support plates 44 are fixedly connected with the crushing bin 3, the damping spring 45 is further sleeved on the T-shaped seats 43, two ends of the damping spring 45 are fixedly connected with the transverse plate 42 and the support plates 44 respectively, the crushing assembly 46 is arranged in the U-shaped cavity 41, and the vibration assembly 47 is further symmetrically arranged on the U-shaped cavity 41.

Referring to fig. 2 and 6, the crushing assembly 46 includes a rotating shaft 461, damping rubber rings 462, tool holders 463 and a material moving plate 465, the rotating shaft 461 is rotatably connected in the U-shaped cavity 41 through the front damping rubber ring 462 and the rear damping rubber ring 462, two ends of the rotating shaft 461 are in transmission connection with the left driving gear 22 through a belt wheel and a belt, the rotating shaft 461 is uniformly and fixedly connected with a plurality of tool holders 463 along the front-to-back direction, the tool holders 463 are uniformly and fixedly connected with a plurality of crushing blades 464 along the circumferential direction, and the crushing blades 464 on the same straight line from front to back are commonly connected with the material moving plate 465 on different tool holders 463.

Referring to fig. 5, the vibration assembly 47 includes circular plates 471, a shock absorbing ring 472, arc plates 473 and balls 474, the circular plates 471 are provided with two front and back symmetrically, the two circular plates 471 are all fixedly connected with the rotating shaft 461 through the shock absorbing ring 472, the arc plates 473 are provided with two front and back symmetrically, the two arc plates 473 are all fixedly connected with the U-shaped cavity 41, the balls 474 are fixedly embedded in the arc plates 473 and the circular plates 471, and the arc plates 473 are in dislocation fit with the balls 474 on the circular plates 471.

When the plastic grinding machine specifically works, the driving motor 7 operates, so that the rotating shaft 461 rotates clockwise synchronously, and then the cutter seat 463 and the grinding blade 464 are driven to rotate synchronously, the plastic auxiliary agent is ground, the completely ground plastic auxiliary agent falls into the grinding unit 6 along the round hole 411 on the U-shaped cavity 41, and after the incompletely ground plastic auxiliary agent falls on the U-shaped cavity 41, the completely ground plastic auxiliary agent can rise along with the material moving plate 465 again to contact with the grinding blade 464, so that secondary grinding is performed; the rotation shaft 461 also drives the circular plate 471 to rotate synchronously when rotating, so that the balls 474 on the circular plate 471 and the balls 474 on the arc-shaped plate 473 collide with each other, and vibration is generated on the U-shaped cavity 41, so as to prevent the round hole 411 from being blocked.

Referring to fig. 2 and 7, the grinding unit 6 includes a pocket plate 61, a frame 62, a moving plate 63, a trapezoid block 64, grinding rollers 65 and a linkage assembly 66, the pocket plate 61 is fixedly connected in the fine grinding bin 5, a plurality of through holes 611 are uniformly formed in the pocket plate 61 in a vertically penetrating manner, the upper end surface of the pocket plate 61 is connected with the frame 62 in a sliding fit manner, the top end of the frame 62 is abutted to the fine grinding bin 5, the rear end surface of the frame 62 is uniformly rotationally connected with a plurality of grinding rollers 65 from left to right, a moving plate 63 is fixedly connected between two adjacent grinding rollers 65 on the frame 62, the trapezoid block 64 is fixedly connected to the lower end of the moving plate 63, and the linkage assembly 66 is connected to the roller shaft of the grinding rollers 65.

Referring to fig. 1 and 7, the linkage assembly 66 includes two folded plates 661, a connecting shaft 662 and a traversing module 663, the folded plates 661 are symmetrically arranged front and back, the two folded plates 661 are fixedly connected with the fine grinding bin 5, the vertical section of the folded plates 661 is rotationally connected with the connecting shaft 662, one end of the connecting shaft 662, which is far away from the fine grinding bin 5, is connected with the rotating shaft 461 through a second belt wheel and a second belt, one end of one connecting shaft 662, which is far away from the fine grinding bin 5, is fixedly connected with a driving motor 7, and one end of the connecting shaft 662, which is close to the fine grinding bin 5, is connected with the traversing module 663.

Referring to fig. 7, the traversing module 663 includes a linkage gear 6631, a rack 6632, a connecting plate 6633, a linkage plate 6634 and a short rod 6635, wherein the linkage gear 6631 is fixedly connected to a roller shaft of the grinding roller 65, the rack 6632 is jointly meshed and connected below the linkage gears 6631 on the same side, one end of the linkage plate 6634 is fixedly connected with an end portion of the linkage shaft 662, which is close to the fine grinding bin 5, the other end of the linkage plate 6634 is rotatably connected with the linkage plate 6634, the short rod 6635 is rotatably connected to the linkage plate 6634, and the short rod 6635 passes through the sliding groove 51 and is fixedly connected with the middle linkage gear 6631.

When the plastic auxiliary agent crushing machine specifically works, the driving motor 7 runs to drive the connecting shaft 662 to rotate clockwise, so that the rotating shaft 461 and the driving gear 22 on the left side are driven to rotate clockwise synchronously through the first belt pulley, the second belt pulley and the second belt pulley, and the plastic auxiliary agent is crushed successively, and the crushed plastic agent finally falls into the box 62; when the connecting shaft 662 rotates, the connecting plate 6633 is driven to synchronously rotate, the connecting plate 6634 is driven to vertically swing and horizontally move, the connecting plate 6634 drives a gear to synchronously move left and right on the connecting rack 6632 through the short rod 6635 when horizontally moving, so that the grinding roller 65 synchronously reciprocates left and right on the pocket plate 61, the plastic auxiliary agent falling on the pocket plate 61 is further rolled, the connecting gear 6631 also drives the square frame 62 to horizontally move when horizontally moving, the trapezoid block 64 is driven to synchronously reciprocate left and right, the plastic auxiliary agent is further ground until the plastic auxiliary agent becomes powder, the powder falls into the bottom of the grinding bin along the through hole 611, and the powder is collected into an external collecting device through an external sucking device.

In describing embodiments of the present invention, it should be noted that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "oil level," "top," "bottom," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims (6)

1. The utility model provides a plastics auxiliary agent processing crushing apparatus, includes pre-compaction storehouse (1), its characterized in that: a feed inlet (11) is formed above the pre-pressing bin (1), the front cross section and the rear cross section of the pre-pressing bin (1) are U-shaped, and a pre-pressing unit (2) is arranged in the pre-pressing bin (1);

The pre-pressing unit (2) comprises pressing rollers (21), two pressing rollers (21) are connected in the pre-pressing bin (1) in a bilateral symmetry running fit mode, driving gears (22) are fixedly connected to the two ends of the two pressing rollers (21), the driving gears (22) located on the same side are meshed with each other, the two driving gears (22) located on the left side are connected with the crushing unit (4) through a belt wheel and a belt, a plurality of strip-shaped grooves are uniformly formed in the side wall of the pressing rollers (21) along the circumferential direction, scraping components (23) are arranged in the strip-shaped grooves, each scraping component (23) comprises a scraping plate (231), the scraping plates (231) are connected in the strip-shaped grooves in a sliding mode, the scraping plates (231) are connected with the bottoms of the strip-shaped grooves through connecting springs (232), the scraping plates (231) are matched with arc-shaped sections at the bottoms of the pre-pressing bin (1), the bottoms of the pre-pressing bin (1) are connected with filter material components (24) matched with the scraping plates (231) in a staggered mode;

The bottom of the pre-pressing bin (1) is provided with a feed opening, the lower end of the pre-pressing bin (1) is fixedly connected with a crushing bin (3), a crushing unit (4) for cutting and crushing the crushed plastic auxiliary agent again is arranged in the crushing bin (3), the lower end of the crushing bin (3) is communicated with a fine grinding bin (5), a chute (51) is formed in the fine grinding bin (5) in a front-back manner, a discharge opening (52) is formed in the right side of the fine grinding bin (5), an external suction device is communicated with the discharge opening (52), a grinding unit (6) for grinding the crushed plastic auxiliary agent into powder is arranged in the fine grinding bin (5), and a driving motor (7) is connected to the grinding unit (6);

The crushing unit (4) comprises a U-shaped cavity (41), transverse plates (42), T-shaped seats (43), support plates (44), damping springs (45), crushing assemblies (46) and vibration assemblies (47), a plurality of round holes (411) are uniformly formed in the arc-shaped section of the U-shaped cavity (41), the transverse plates (42) are symmetrically and fixedly connected to the left side and the right side of the U-shaped cavity (41), the T-shaped seats (43) are symmetrically and fixedly connected to the two transverse plates (42) in a front-back mode, the support plates (44) are fixedly connected to the lower ends of the T-shaped seats (43) located on the same side, the support plates (44) are fixedly connected with the crushing bin (3), the damping springs (45) are sleeved on the T-shaped seats (43), the two ends of each damping spring (45) are fixedly connected with the transverse plates (42) and the support plates (44) respectively, the crushing assemblies (46) are arranged in the U-shaped cavity (41), and the vibration assemblies (47) are symmetrically and fixedly arranged on the U-shaped cavity (41);

Crushing subassembly (46) include pivot (461), shock attenuation rubber circle (462), blade holder (463) and move flitch (465), pivot (461) are rotated through two front and back shock attenuation rubber circles (462) and are connected in U-shaped chamber (41), and the both ends of pivot (461) link to each other through a band pulley and a belt and left drive gear (22) transmission, evenly fixedly connected with a plurality of blade holders (463) along the direction backward in the past on pivot (461), evenly fixedly connected with a plurality of crushing blade (464) along circumference on blade holder (463), on different blade holders (463) along smashing blade (464) on same straight line in the past on jointly be connected with and move flitch (465).

2. A plastic additive processing and pulverizing apparatus as defined in claim 1, wherein: the filter material assembly (24) comprises L-shaped plates (241), filter plates (242), mounting rods (243), limiting plates (244) and reset springs (245), wherein the L-shaped plates (241) are fixedly connected with two in a bilateral symmetry manner, the filter plates (242) are fixedly connected to the vertical sections of the two L-shaped plates (241) together, the mounting rods (243) are symmetrically and slidingly connected to the horizontal sections of the L-shaped plates (241) front and back, the top ends of the mounting rods (243) are fixedly connected with the bottom ends of the pre-pressing bin (1), the limiting plates (244) are fixedly connected to the bottom ends of the mounting rods (243), the reset springs (245) are sleeved on the mounting rods (243), and the two ends of the reset springs (245) are connected with the L-shaped plates (241) and the limiting plates (244).

3. A plastic additive processing and pulverizing apparatus as defined in claim 1, wherein: vibration subassembly (47) are including plectane (471), shock-absorbing ring (472), arc (473) and ball (474), symmetry is provided with two around plectane (471), and two plectanes (471) all link to each other with pivot (461) through shock-absorbing ring (472), symmetry is provided with two around arc (473), and two arc (473) all link to each other with U-shaped chamber (41) are fixed, have all fixedly inlayed ball (474) on arc (473) and plectane (471), and ball (474) dislocation cooperation on arc (473) and plectane (471).

4. A plastic additive processing and pulverizing apparatus as defined in claim 1, wherein: the utility model provides a grinding unit (6) is including pocket board (61), square frame (62), move board (63), trapezoidal piece (64), grinding roller (65) and linkage subassembly (66), a plurality of through-holes (611) have evenly been seted up to pocket board (61) upper and lower link up in accurate grinding storehouse (5), and pocket board (61) up end sliding fit is connected with square frame (62), the top butt of square frame (62) is on accurate grinding storehouse (5), and the even rotation of rear end face of square frame (62) is connected with a plurality of grinding roller (65) from left to right direction, still fixedly connected with moves board (63) between two adjacent grinding roller (65) on square frame (62), the lower extreme fixedly connected with trapezoidal piece (64) that moves board (63), be connected with linkage subassembly (66) on the roller of grinding roller (65).

5. The plastic aid processing and pulverizing device as defined in claim 4, wherein: the linkage assembly (66) comprises a folded plate (661), a connecting shaft (662) and a transverse moving module (663), wherein the front and back of the folded plate (661) are symmetrically provided with two folded plates (661) and fixedly connected with the fine grinding bin (5), the vertical section of the folded plate (661) is rotationally connected with the connecting shaft (662), one end of the connecting shaft (662) away from the fine grinding bin (5) is connected with the rotating shaft (461) through a second belt wheel and a second belt, one end of the connecting shaft (662) away from the fine grinding bin (5) is fixedly connected with a driving motor (7), and one end of the connecting shaft (662) close to the fine grinding bin (5) is connected with the transverse moving module (663).

6. The plastic aid processing and crushing apparatus according to claim 5, wherein: the sideslip module (663) includes interlock gear (6631), rack (6632), connecting plate (6633), interlock board (6634) and quarter butt (6635), interlock gear (6631) fixed connection is on the roller of milling roll (65), and a plurality of interlock gears (6631) below the homonymy is meshed jointly and is connected with rack (6632), wherein one end and the end fixed linking up with that link axle (662) are close to fine grinding storehouse (5) of interlock board (6634), and the other end rotation of interlock board (6634) is connected with interlock board (6634), rotate on interlock board (6634) and be connected with quarter butt (6635), quarter butt (6635) pass spout (51) and are located the fixed linking up of interlock gear (6631) in the centre.