阅读说明：本技术 一种橡胶切割装置 (Rubber cutting device ) 是由 王清平 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种橡胶切割装置,包括工作台,工作台底部固定连接有多个支撑腿,且支撑腿底部固定连接有防滑底座,工作台上固定安装有限位板,限位板两端固定安装有支撑架,支撑架固定安装在工作台上,支撑架上固定安装有气缸,气缸底部固定连接有驱动杆,且驱动杆底部固定连接有裁切机构；与现有技术相比,本发明通过切割刀与缓冲板相抵,切割刀向内回缩,切割刀在回缩带动连接板向内移动,使弧形板对发生形变,弧形板对弹性膜产生挤压,使气压腔内部气体通过连接管道输送至清洁腔内部,能够使弹性板发生形变,推动刮板向外移动,能够使刮板一端抵在切割刀表面,能够在切割刀回缩过程中将其表面残留的橡胶刮落,避免其堆积在切割刀表面。(The invention discloses a rubber cutting device which comprises a workbench, wherein the bottom of the workbench is fixedly connected with a plurality of supporting legs, the bottoms of the supporting legs are fixedly connected with an anti-skidding base, a limiting plate is fixedly arranged on the workbench, two ends of the limiting plate are fixedly provided with supporting frames, the supporting frames are fixedly arranged on the workbench, an air cylinder is fixedly arranged on the supporting frames, the bottom of the air cylinder is fixedly connected with a driving rod, and the bottom of the driving rod is fixedly connected with a cutting mechanism; compared with the prior art, the elastic plate type rubber scraper has the advantages that the cutting knife abuts against the buffer plate, the cutting knife retracts inwards, the cutting knife retracts to drive the connecting plate to move inwards, the arc plate deforms, the elastic membrane is extruded by the arc plate, gas in the air pressure cavity is conveyed into the cleaning cavity through the connecting pipeline, the elastic plate deforms, the scraper is pushed to move outwards, one end of the scraper can abut against the surface of the cutting knife, residual rubber on the surface of the scraper can be scraped off in the retraction process of the cutting knife, and the accumulation of the residual rubber on the surface of the cutting knife is avoided.)

1. A rubber cutting device, includes workstation (1), its characterized in that: workstation (1) bottom fixedly connected with a plurality of supporting legs, and supporting leg bottom fixedly connected with antiskid base, fixed mounting has limiting plate (11) on workstation (1), limiting plate (11) both ends fixed mounting has support frame (2), support frame (2) fixed mounting is on workstation (1), fixed mounting has cylinder (21) on support frame (2), cylinder (21) bottom fixedly connected with actuating lever, and actuating lever bottom fixedly connected with cuts mechanism (3).

2. A rubber cutting apparatus according to claim 1, wherein: the cutting mechanism (3) comprises a connecting seat (34), one end of the connecting seat (34) is fixedly connected with a driving shaft, a movable cavity (341) is formed in the connecting seat (34), a cutting knife (31) is movably inserted into the bottom of the movable cavity (341), cleaning mechanisms (4) are arranged on two sides of the cutting knife (31), the cleaning mechanisms (4) are fixedly connected to the bottom of the connecting seat (34), a connecting plate (311) is fixedly connected to the cutting knife (31), the connecting plate (311) is slidably arranged in the movable cavity (341), a pair of air pressure cavities (33) are symmetrically formed in the inner wall of the movable cavity (341), one end of each air pressure cavity (33) is fixedly connected with a connecting pipeline (32), an elastic membrane (332) is fixedly connected to the inner wall of each air pressure cavity (33), and a pair of limiting blocks (37) is fixedly connected to the inner wall of the movable cavity (341), stopper (37) are located atmospheric pressure chamber (33) top, fixedly connected with arc (38) on connecting plate (311), arc (38) one end fixed connection is in stopper (37) one side, fixedly connected with movable rod (36) on connecting plate (311).

3. A rubber cutting apparatus according to claim 2, wherein: the movable cavity (341) inner wall bottom fixedly connected with reset spring (351), reset spring (351) bottom fixedly connected with slider (35), the straight flute has been seted up to slider (35) bottom, and fixedly connected with block rubber on the straight flute inner wall, activity of movable rod (36) is inserted and is established inside the straight flute.

4. A rubber cutting apparatus according to claim 2, wherein: the elastic membrane (332) and the inner wall of the air pressure cavity (33) are fixedly connected with fixing blocks (331), the fixing blocks (331) have repulsive magnetism, and compression rods are fixedly connected between the fixing blocks (331).

5. A rubber cutting apparatus according to claim 2, wherein: the cleaning mechanism (4) comprises a cleaning cavity (41), the cleaning cavity (41) is arc-shaped, the cleaning cavity (41) is fixedly connected with a connecting pipeline (32), an elastic plate (42) is fixedly connected to the inner wall of the cleaning cavity (41), a pair of connecting rods (43) is fixedly connected to the inner wall of the elastic plate (42), an elastic shaft (441) is fixedly connected between the connecting rods (43), an extrusion air bag (44) is fixed between the elastic shafts (441), one end of the extrusion air bag (44) is fixedly connected with a vibration rod (48), one end of the elastic plate (42) is fixedly connected with a fixed sleeve (45), the other end of the elastic plate (42) is fixedly connected with a scraper (46), the scraper (46) is conical, a pair of rubber walls (47) is fixedly connected to the inner wall of the cleaning cavity (41), and one end of each rubber wall (47) is fixedly connected with a friction block (471), the friction block (471) abuts against the scraper (46).

6. A rubber cutting apparatus according to claim 5, wherein: the vibration rod is characterized in that a plurality of elastic blocks (451) are fixedly connected to the inner wall of the fixed sleeve (45), the vibration rod (48) is movably inserted into the fixed sleeve (45), an exhaust pipe (482) is arranged inside the vibration rod (48), the exhaust pipe (482) is fixedly connected with the extrusion air bag (44), a plurality of expansion cavities (481) are arranged on the surface of the vibration rod (48), the expansion cavities (481) are abutted to the elastic blocks (451), and a connecting pipe is fixedly connected between the exhaust pipe (482) and the expansion cavities (481).

7. A rubber cutting apparatus according to claim 1, wherein: limiting plate (11) inside is equipped with buffer gear (5), buffer gear (5) are including buffer slot (51), inside limiting plate (11) was seted up in buffer slot (51), fixedly connected with buffer board (55) on buffer slot (51), buffer board (55) are the memory metal material, and buffer board (55) are the arc, a pair of connecting axle (551) of buffer board (55) bottom fixedly connected with, connecting axle (551) are the arc and have elasticity, connecting axle (551) one end fixedly connected with drive ball (521), fixedly connected with telescopic link (52) on drive ball (521), telescopic link (52) one end fixed connection is on buffer slot (51) inner wall, a plurality of movable grooves (54) have been seted up to buffer slot (51) one side.

8. A rubber cutting apparatus according to claim 7, wherein: the inside slip of movable groove (54) is equipped with movable block (53), movable block (53) one end is equipped with a plurality of elasticity barbs (531), movable block (53) one end fixedly connected with stripper bar, and the stripper bar is the arc, telescopic link (52) and stripper bar fixed connection.

Technical Field

The invention relates to the technical field of rubber machinery, in particular to a rubber cutting device.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed.

At present, the production technology of rubber article cuts rubber before rubber refining mostly, make massive rubber sheet become little adhesive tape, thus, be convenient for extrude rubber and prepare in next process, but the condition of popping out takes place for the characteristic of rubber self to have the rubber cutting opportunity, especially the dynamics of popping out like the big gluey kind of cutting of natural rubber class elasticity is very big, can cause the injury to operating personnel after popping out, and rubber has the viscidity, there is rubber to remain on the cutting knife, cut the production influence to subsequent rubber, lead to the cutting plane not enough to level and smooth, and can influence the life of cutting knife, we propose a rubber cutting device for this reason and be used for solving above-mentioned problem.

Disclosure of Invention

The present invention is directed to a rubber cutting device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rubber cutting device, includes the workstation, a plurality of supporting legs of workstation bottom fixedly connected with, and supporting leg bottom fixedly connected with antiskid base, fixed mounting has the limiting plate on the workstation, limiting plate both ends fixed mounting has the support frame, support frame fixed mounting is on the workstation, fixed mounting has the cylinder on the support frame, cylinder bottom fixedly connected with actuating lever, and actuating lever bottom fixedly connected with cut the mechanism, place the rubber slab that will cut on the limiting plate, can drive the drive shaft through the cylinder and remove, can make and cut the mechanism and cut the rubber slab.

Preferably, the cutting mechanism comprises a connecting seat, one end of the connecting seat is fixedly connected with a driving shaft, a movable cavity is arranged in the connecting seat, a cutting knife is movably inserted in the bottom of the movable cavity, cleaning mechanisms are arranged on two sides of the cutting knife and fixedly connected to the bottom of the connecting seat, a connecting plate is fixedly connected to the cutting knife and slidably arranged in the movable cavity, a pair of air pressure cavities are symmetrically arranged on the inner wall of the movable cavity, one end of each air pressure cavity is fixedly connected with a connecting pipeline, an elastic membrane is fixedly connected to the inner wall of each air pressure cavity, a pair of limiting blocks are fixedly connected to the inner wall of the movable cavity and positioned above the air pressure cavities, an arc-shaped plate is fixedly connected to the connecting plate, one end of the arc-shaped plate is fixedly connected to one side of the limiting blocks, and a movable rod is fixedly connected to the connecting plate, in the cutting process, the cutting knife can offset with the buffer board, can make the cutting knife inwards retract, and the cutting knife retracts and can drive the connecting plate and inwards move, can make the arc to take place deformation, makes the arc produce the extrusion to the elastic membrane, makes the inside gas in atmospheric pressure chamber carry to the clean intracavity portion through connecting tube.

Preferably, the bottom of the inner wall of the movable cavity is fixedly connected with a return spring, the bottom of the return spring is fixedly connected with a sliding block, a straight groove is formed in the bottom of the sliding block, a rubber block is fixedly connected to the inner wall of the straight groove, a movable rod is movably inserted into the straight groove, after the rubber plate is cut, the air cylinder can drive the driving shaft to retract, and the cutting knife can reset under the action of the return spring and the arc-shaped plate.

Preferably, equal fixedly connected with fixed block on elastic membrane and the atmospheric pressure intracavity wall, the fixed block has the magnetism of repelling, fixedly connected with compression pole between the fixed block, after accomplishing the cutting, the elastic membrane can reset with the help of the magnetism of fixed block, can make gas reflux to the atmospheric pressure intracavity portion.

Preferably, the cleaning mechanism comprises a cleaning cavity which is arc-shaped and is fixedly connected with a connecting pipeline, an elastic plate is fixedly connected to the inner wall of the cleaning cavity, a pair of connecting rods is fixedly connected to the inner wall of the elastic plate, an elastic shaft is fixedly connected between the connecting rods, an extrusion air bag is fixedly connected between the elastic shafts, a vibration rod is fixedly connected to one end of the extrusion air bag, a fixing sleeve is fixedly connected to one end of the elastic plate, a scraper is fixedly connected to the other end of the elastic plate, the scraper is conical, a pair of rubber walls is fixedly connected to the inner wall of the cleaning cavity, a friction block is fixedly connected to one end of each rubber wall and abuts against the scraper, gas in the air pressure cavity is conveyed to the inside of the cleaning cavity through the connecting pipeline, the elastic plate can be deformed, the scraper is pushed to move outwards, and one end of the scraper can abut against the surface of the cutting knife, can retract the in-process at the cutting knife and scrape off its remaining rubber in surface, avoid it to pile up on the cutting knife surface, influence the cutting knife to the subsequent cutting processing of rubber slab.

Preferably, a plurality of elastic blocks of fixedly connected with on the fixed sleeve inner wall, the vibrations pole activity is inserted and is established inside the fixed sleeve, the inside blast pipe that is equipped with of vibrations pole, blast pipe and extrusion gasbag fixed connection, the vibrations pole is equipped with a plurality of inflation chambeies on the surface, inflation chamber offsets with the elastic block, fixedly connected with connecting pipe between blast pipe and the inflation chamber, at the in-process that resets, the inside atmospheric pressure of clean intracavity reduces gradually, and the inflation chamber can expand, and mutual extrusion friction between the elastic block drives the elastic plate vibrations, and vibrations can conduct to the scraper blade, can make the scraper blade shake at the in-process that resets, shakes remaining rubber residue.

Preferably, a buffer mechanism is arranged inside the limiting plate, the buffer mechanism comprises a buffer groove, the buffer groove is arranged inside the limiting plate, a buffer plate is fixedly connected to the buffer groove, the buffer plate is made of memory metal, the buffer plate is arc-shaped, the bottom of the buffer plate is fixedly connected with a pair of connecting shafts, the connecting shafts are arc-shaped and have elasticity, one end of the connecting shaft is fixedly connected with a driving ball, the driving ball is fixedly connected with a telescopic rod, telescopic link one end fixed connection is on the dashpot inner wall, a plurality of movable grooves have been seted up to dashpot one side, and the cutting knife can produce the extrusion to the buffer board, and the buffer board deformation can drive the connecting axle motion, can promote the drive ball and remove, makes the telescopic link remove, makes the stripper bar take place deformation, promotes the movable block and removes in the movable groove inside, and movable block one end can offset bottom the rubber slab.

Preferably, the inside slip of movable groove is equipped with the movable block, movable block one end is equipped with a plurality of elasticity barbs, movable block one end fixedly connected with stripper bar, and the stripper bar is the arc, telescopic link and stripper bar fixed connection can restrict the position of rubber slab through the elasticity barb, avoid the rubber slab to pop out because elasticity and cause the injury to operating personnel in cutting process, have reduced the potential safety hazard of rubber cutting processing.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the cutting knife is abutted against the buffer plate, the cutting knife retracts inwards, the cutting knife retracts to drive the connecting plate to move inwards, so that the arc-shaped plate deforms, the arc-shaped plate extrudes the elastic membrane, gas in the air pressure cavity is conveyed into the cleaning cavity through the connecting pipeline, the elastic plate can deform, the scraper blade is pushed to move outwards, one end of the scraper blade can be abutted against the surface of the cutting knife, and residual rubber on the surface of the scraper blade can be scraped off in the retraction process of the cutting knife, so that the rubber is prevented from being accumulated on the surface of the cutting knife;

2. according to the rubber plate cutting device, the cutting knife can extrude the buffer plate, the buffer plate can deform to drive the connecting shaft to move, the driving ball is pushed to move, the telescopic rod is made to move, the extrusion rod is made to deform, the movable block is pushed to move in the movable groove, one end of the movable block can abut against the bottom of the rubber plate, the position of the rubber plate can be limited through the elastic barb, the rubber plate is prevented from being popped out due to elasticity in the cutting process to cause injury to operators, and the potential safety hazard of rubber cutting processing is reduced;

3. according to the invention, the expansion cavity can flatly expand in the resetting process of the elastic plate, and can be extruded and rubbed with the elastic block to drive the elastic plate to vibrate, the vibration can be transmitted to the scraper plate, so that the scraper plate can shake in the resetting process to shake off the residual rubber residues, and the shaken off rubber residues can be accumulated on the surface of the buffer plate, thereby facilitating uniform cleaning by operators after finishing processing;

4. according to the rubber plate cutting device, the impact force of the cutting knife can be buffered through the buffer plate, the cutting knife is prevented from being in rigid contact with the limiting plate, the abrasion of the cutting knife can be reduced, the subsequent processing of the cutting knife on the rubber plate is prevented from being influenced, and the service life of the cutting knife can be prolonged to a certain extent.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the cutting mechanism of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view of a cushioning mechanism according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 4 at B in accordance with the present invention;

FIG. 7 is a schematic view of a movable block according to the present invention;

in the figure: 1. a work table; 2. a support frame; 3. a cutting mechanism; 4. a cleaning mechanism; 5. a buffer mechanism; 11. a limiting plate; 21. a cylinder; 31. a cutting knife; 311. a connecting plate; 32. connecting a pipeline; 33. a pneumatic chamber; 331. a fixed block; 332. an elastic film; 34. a connecting seat; 341. a movable cavity; 35. a slider; 351. a return spring; 36. a movable rod; 37. a limiting block; 38. an arc-shaped plate; 41. cleaning the cavity; 42. an elastic plate; 43. a connecting rod; 44. extruding the air bag; 441. an elastic shaft; 45. fixing the sleeve; 451. an elastic block; 46. a squeegee; 47. a rubber wall; 471. a friction block; 48. a vibration rod; 481. an expansion chamber; 482. an exhaust pipe; 51. a buffer tank; 52. a telescopic rod; 521. a drive ball; 53. a movable block; 531. elastic barbs; 54. a movable groove; 55. a buffer plate; 551. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a rubber cutting device, comprises a workbench 1, a plurality of supporting legs of 1 bottom fixedly connected with of workstation, and supporting leg bottom fixedly connected with antiskid base, fixed mounting has limiting plate 11 on the workstation 1, 11 both ends fixed mounting of limiting plate has support frame 2, 2 fixed mounting of support frame are on workstation 1, fixed mounting has cylinder 21 on the support frame 2, cylinder 21 bottom fixedly connected with actuating lever, and actuating lever bottom fixedly connected with cuts mechanism 3, place the rubber slab that will cut on limiting plate 11, can drive the drive shaft through cylinder 21 and remove, can make and cut mechanism 3 and cut the rubber slab.

The cutting mechanism 3 comprises a connecting seat 34, one end of the connecting seat 34 is fixedly connected with a driving shaft, a movable cavity 341 is arranged in the connecting seat 34, a cutting knife 31 is movably inserted at the bottom of the movable cavity 341, two sides of the cutting knife 31 are provided with cleaning mechanisms 4, the cleaning mechanisms 4 are fixedly connected at the bottom of the connecting seat 34, a connecting plate 311 is fixedly connected on the cutting knife 31, the connecting plate 311 is arranged in the movable cavity 341 in a sliding manner, a pair of air pressure cavities 33 are symmetrically arranged on the inner wall of the movable cavity 341, one end of each air pressure cavity 33 is fixedly connected with a connecting pipeline 32, an elastic membrane 332 is fixedly connected on the inner wall of each air pressure cavity 33, a pair of limiting blocks 37 are fixedly connected on the inner wall of the movable cavity 341, the limiting blocks 37 are positioned above the air pressure cavities 33, an arc plate 38 is fixedly connected on the connecting plate 311, one end of the arc plate 38 is fixedly connected at one side of the limiting blocks 37, a movable rod 36 is fixedly connected on the connecting plate 311, in the cutting process, the cutting knife 31 can offset with the buffer board 55, can make the cutting knife 31 inwards retract, the cutting knife 31 retracts and can drive the connecting plate 311 inwards to move, can make the arc 38 to take place deformation, makes the arc 38 produce the extrusion to the elastic membrane 332, makes the inside gas in the atmospheric pressure chamber 33 pass through the connecting tube 32 and carry to inside the clean chamber 41.

Activity chamber 341 inner wall bottom fixedly connected with reset spring 351, reset spring 351 bottom fixedly connected with slider 35, the straight flute has been seted up to slider 35 bottom, and fixedly connected with block rubber on the straight flute inner wall, and the activity of movable rod 36 is inserted and is established inside the straight flute, and after the completion is to the cutting of rubber slab, cylinder 21 can drive the drive shaft and retract, and cutting knife 31 can reset under reset spring 351 and arc 38's effect.

The elastic membrane 332 and the inner wall of the air pressure cavity 33 are fixedly connected with fixing blocks 331, the fixing blocks 331 have repulsive magnetism, compression rods are fixedly connected between the fixing blocks 331, and after cutting is completed, the elastic membrane 332 can reset by means of the magnetism of the fixing blocks 331, so that air can flow back to the inside of the air pressure cavity 33.

The cleaning mechanism 4 comprises a cleaning cavity 41, the cleaning cavity 41 is arc-shaped, the cleaning cavity 41 is fixedly connected with the connecting pipeline 32, an elastic plate 42 is fixedly connected on the inner wall of the cleaning cavity 41, a pair of connecting rods 43 is fixedly connected on the inner wall of the elastic plate 42, an elastic shaft 441 is fixedly connected between the connecting rods 43, an extrusion air bag 44 is fixedly connected between the elastic shafts 441, one end of the extrusion air bag 44 is fixedly connected with a vibration rod 48, one end of the elastic plate 42 is fixedly connected with a fixed sleeve 45, the other end of the elastic plate 42 is fixedly connected with a scraper 46, the scraper 46 is conical, a pair of rubber walls 47 is fixedly connected on the inner wall of the cleaning cavity 41, one end of each rubber wall 47 is fixedly connected with a friction block 471, the friction block 471 is abutted against the scraper 46, the gas in the air pressure cavity 33 is conveyed to the cleaning cavity 41 through the connecting pipeline 32, the elastic plate 42 can be deformed, the scraper 46 is pushed to move outwards, one end of the scraper 46 is abutted against the surface of the cutter 31, can retract the in-process at cutting knife 31 and scrape off its remaining rubber in surface, avoid it to pile up on cutting knife 31 surface, influence cutting knife 31 to the subsequent cutting processing of rubber slab.

A plurality of elastic blocks 451 of fixedly connected with on the inner wall of fixed sleeve 45, vibrations pole 48 activity is inserted and is established inside fixed sleeve 45, the inside blast pipe 482 that is equipped with of vibrations pole 48, blast pipe 482 and extrusion gasbag 44 fixed connection, vibrations pole 48 is equipped with a plurality of expansion chamber 481 on the surface, expansion chamber 481 offsets with elastic block 451, fixedly connected with connecting pipe between blast pipe 482 and expansion chamber 481, at the in-process that resets, the inside atmospheric pressure in clean chamber 41 reduces gradually, expansion chamber 481 can expand, and mutual extrusion friction between elastic block 451, drive the vibrations of elastic plate 42, vibrations can be conducted to scraper blade 46, can make scraper blade 46 shake at the in-process that resets, shake remaining rubber residue.

The inside of the limiting plate 11 is provided with a buffer mechanism 5, the buffer mechanism 5 comprises a buffer groove 51, the buffer groove 51 is arranged inside the limiting plate 11, a buffer plate 55 is fixedly connected to the buffer groove 51, the buffer plate 55 is made of memory metal material, and buffer board 55 is the arc, a pair of connecting axle 551 of fixedly connected with in buffer board 55 bottom, connecting axle 551 is the arc and has elasticity, connecting axle 551 one end fixedly connected with drive ball 521, fixedly connected with telescopic link 52 on the drive ball 521, telescopic link 52 one end fixed connection is on buffer slot 51 inner wall, a plurality of movable grooves 54 have been seted up to buffer slot 51 one side, cutting knife 31 can produce the extrusion to buffer board 55, buffer board 55 deformation can drive connecting axle 551 motion, can promote drive ball 521 to remove, make telescopic link 52 remove, make the stripper bar take place deformation, promote movable block 53 and remove in movable groove 54 is inside, movable block 53 one end can offset bottom the rubber slab.

The inside movable block 53 that slides of activity groove 54 is equipped with, and movable block 53 one end is equipped with a plurality of elasticity barbs 531, and movable block 53 one end fixedly connected with stripper bar, and the stripper bar is the arc, and telescopic link 52 and stripper bar fixed connection can restrict the position of rubber slab through elasticity barbs 531, avoid the rubber slab to pop out because elasticity and cause the injury to operating personnel in cutting process, have reduced the potential safety hazard of rubber cutting processing.

The working principle is as follows: firstly, a rubber plate to be cut is placed on the limiting plate 11, the driving shaft can be driven to move through the air cylinder 21, the cutting mechanism 3 can cut the rubber plate, in the cutting process, the cutting knife 31 can cut the rubber plate, the cutting knife 31 can abut against the buffer plate 55, the cutting knife 31 can retract inwards, the cutting knife 31 retracts and can drive the connecting plate 311 to move inwards, the arc plate 38 can deform, the arc plate 38 can extrude the elastic membrane 332, the gas in the air pressure cavity 33 can be conveyed into the cleaning cavity 41 through the connecting pipeline 32, the elastic plate 42 can deform, the scraping plate 46 is pushed to move outwards, one end of the scraping plate 46 can abut against the surface of the cutting knife 31, the residual rubber on the surface of the cutting knife 31 can be scraped off in the retracting process of the cutting knife 31, the cutting knife is prevented from being accumulated on the surface of the cutting knife 31, and the subsequent cutting processing of the rubber plate by the cutting knife 31 is influenced, the service life of the cutting knife 31 can be prolonged to a certain extent, meanwhile, the cutting knife 31 can extrude the buffer plate 55, the buffer plate 55 can be deformed to drive the connecting shaft 551 to move, the driving ball 521 can be pushed to move, the telescopic rod 52 can be moved, the extrusion rod can be deformed to push the movable block 53 to move in the movable groove 54, one end of the movable block 53 can be abutted against the bottom of the rubber plate, the position of the rubber plate can be limited through the elastic barb 531, the rubber plate is prevented from being popped up to cause injury to operators due to self elasticity in the cutting process, the potential safety hazard of rubber cutting processing is reduced, after the cutting of the rubber plate is completed, the air cylinder 21 can drive the driving shaft to reset, the cutting knife 31 can reset under the action of the reset spring 351 and the arc-shaped plate 38, the elastic membrane 332 can reset with the help of the magnetism of the fixed block 331, and can enable air to flow back to the inside of the air pressure chamber 33, in the in-process that resets, the inside atmospheric pressure of clean chamber 41 reduces gradually, and expansion chamber 481 can expand, and the mutual extrusion friction between elastic block 451 drives the vibrations of elastic plate 42, and vibrations can conduct to scraper blade 46, can make scraper blade 46 shake at the in-process that resets, shakes off remaining rubber residue, and the rubber residue that shakes off can pile up on buffer board 55 surface, and the operating personnel of the completion processing back of being convenient for carry out unified clearance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.