CN210115783U - Automatic trimmer for plastic plate - Google Patents

Abstract

The utility model relates to a plastic slab processing technology field, in particular to automatic trimmer of plastic slab, when carrying out the deburring to the plastic slab among the prior art, need the manual work to use the deburring sword to carry out the deburring operation to the plastic slab, this kind of method is inefficient, and finished product quality is limited in operator's operation level, the utility model discloses technical scheme main points lie in including the support body, set up in be used for on the support body place the plastic slab place the platform, be used for with the plastic slab compress tightly in place the top surface closing device with set up in place bench and be used for polishing the first polishing device of plastic slab machined surface, through above-mentioned technical scheme, realize the automatic deburring in order to improve work efficiency and finished product quality's purpose to the plastic slab.

Description

Automatic trimmer for plastic plate

Technical Field

The utility model relates to a plastic slab processing technology field, in particular to automatic trimmer of plastic slab.

Background

Plastic boards (plastic sheets) are made of plastics, are suitable for the building and chemical industry in a large number, have the characteristics of wear resistance, vibration resistance, corrosion resistance, recoverability, high strength, ageing resistance, water resistance, moisture resistance, difficult deformation, repeated use and the like when used for chemical and environmental protection and building boards, and can be recycled and processed to greatly reduce the cost.

In the production process of the plastic plate, the steps of raw material forming, plate cutting, plate trimming and the like are generally carried out, particularly in the plate trimming process, the cut and stripped plastic plate is often fixed manually, and then a trimming knife is used for trimming the plastic plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic trimmer of plastic slab realizes carrying out the purpose of deburring in order to improve work efficiency and finished product quality to the plastic slab automatically.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an automatic trimmer of plastic slab which characterized in that: the plastic plate polishing device comprises a frame body, a placing table, a pressing device and a first polishing device, wherein the placing table is used for placing a plastic plate on the frame body, the pressing device is used for pressing the plastic plate on the top surface of the placing table, and the first polishing device is arranged on the placing table and used for polishing the processing surface of the plastic plate.

Through the technical scheme, after the position of the plastic plate is fixed through the pressing device, the first grinding device is used for grinding the machining surface of the plastic plate, the trimming operation of the plastic plate is further completed, a plurality of plastic plates are trimmed and ground at one time, the working efficiency is improved, and the quality of finished products is uniform.

The utility model discloses further set up to: the first polishing device comprises a sliding block, a plurality of rotating rollers, a plurality of driving motors, a driving power supply and an abrasive belt for polishing the processing surface of the plastic plate, the sliding block is arranged on one side of the processing surface of the plastic plate and is connected to the top surface of the placing table in a sliding mode along the direction perpendicular to the processing surface of the plastic plate, the rotating rollers are arranged at intervals along the direction parallel to the processing surface of the plastic plate, the bottom ends of the rotating rollers are connected to the sliding block, the driving motors are arranged on the sliding block and are connected with the rotating rollers in a one-to-one correspondence mode, the driving motors are all connected with the driving power supply arranged on the sliding block, and the abrasive belt is.

Through above-mentioned technical scheme, the plastic slab that will process stacks and puts the bench, drives live-rollers and abrasive band through removing the sliding block and removes, drives the abrasive band through the live-rollers and rotates, makes the abrasive band polish the surface that the plastic slab needs to process, further gets rid of the deckle edge of plastic slab, makes the surface after polishing comparatively level and smooth, has improved finished product quality.

The utility model discloses further set up to: the plastic plate polishing device further comprises a second polishing device with the same structure as the first polishing device, and the first polishing device and the second polishing device are respectively arranged on two sides of the plastic plate.

Through above-mentioned technical scheme, set up second grinding device, make the automatic trimmer of plastic slab once polish to the two sides of plastic slab, reduce the workman and carry out dismouting and fixed number of times to the plastic slab, reduced workman's working strength, improved work efficiency.

The utility model discloses further set up to: the top surface of the placing table is provided with a plurality of supporting rods, the top ends of the supporting rods are fixedly connected with a top plate parallel to the placing table, the pressing device comprises a pressing rod and a pressing plate, the top end of the pressing rod is in threaded connection with the top plate, the pressing plate is connected to the bottom of the pressing rod, and the top end of the pressing rod extends out of the top surface of the top plate and is connected with an adjusting mechanism which enables the pressing rod to move in the vertical direction.

Through the technical scheme, compress tightly the pole through the setting, the clamp plate, roof and adjustment mechanism cooperate, when needs compress tightly the plastic slab, operation adjustment mechanism is in order to realize compressing tightly the pole to the plastic slab and sticising and the purpose of loosening, frictional force between increase plastic slab and place the frictional force between the bench face, make the plastic slab difficult emergence skew in the in-process position of polishing, and make the roof have to compressing tightly the axial spacing power of pole, make the compressing tightly pole difficult emergence when compressing tightly the plastic slab become flexible, make the structure more stable.

The utility model discloses further set up to: adjustment mechanism include along vertical direction setting and top rotate connect in the regulation pole of roof, it is equipped with the drive belt to adjust pole outside cover, compress tightly the pole pass through the drive belt with adjust the pole and rotate and connect, it is provided with the regulation carousel of the application of force of being convenient for to adjust the pole.

Through above-mentioned technical scheme, set up the regulation pole and pass through the drive belt and drive and compress tightly the pole along circumferential direction, make threaded connection realize the removal in vertical ascending side in the pole that compresses tightly of roof, it is more convenient to operate, and sets up the regulation carousel on adjusting the pole, makes the staff more laborsaving when operating the regulation pole.

The utility model discloses further set up to: the top plate is provided with a first polishing device and a second polishing device which extend along the moving direction of the first polishing device and the second polishing device and penetrate through a top plate sliding groove along the vertical direction, the synchronous transmission device comprises a transmission motor, a first transmission block and a second transmission block which are connected in the sliding groove in a sliding way, and a first bidirectional threaded screw rod which is horizontally arranged along the extending direction of the sliding groove and is rotationally connected with the top plate, the bottom surfaces of the first transmission block and the second transmission block are fixedly connected with a connecting plate, the top ends of a plurality of rotating rollers corresponding to the first polishing device are rotationally connected with the connecting plate corresponding to the first transmission block, the top ends of a plurality of rotating rollers corresponding to the second polishing device are rotationally connected with the connecting plate corresponding to the second transmission block, the first bidirectional threaded screw rod is provided with a positive thread section and a negative thread section, and one end of the first bidirectional threaded screw rod is, the first transmission block and the second transmission block are respectively in threaded connection with a positive thread section and a negative thread section of the first bidirectional thread screw rod.

Through above-mentioned technical scheme, set up synchronous drive mechanism, make first grinding device and second grinding device realize synchronous relative motion through driving motor, polish the machined surface of the relative both sides of plastic slab simultaneously, not only further improved work efficiency, also made the finished product quality of plastic slab more unified.

The utility model discloses further set up to: the connecting rods are respectively and correspondingly connected to the bottom surfaces of the connecting plates of the first transmission block and the second transmission block, and are respectively and fixedly connected with the connecting rods, and the connecting rods of the first transmission block and the second transmission block are respectively and correspondingly arranged along the vertical direction and are respectively and fixedly connected with the sliding blocks corresponding to the first polishing device and the second polishing device.

Through above-mentioned technical scheme, set up the transmission piece and pass through the connecting rod with the sliding block and be connected, both ends are more synchronous, more stable when removing about making the live-rollers, reduce the bending stress that the live-rollers received, have improved the life of mechanism, further make the abrasive band more stable when polishing the plastic slab, have improved the finished product quality of plastic slab.

The utility model discloses further set up to: the position of placing the platform and placing the plastic slab is opened and is had to run through the groove of placing the platform and place the inslot and be equipped with and turn to the device along vertical direction, turn to the device and include that the bottom supports in the popping out the device on ground and set up in the board of placing the inslot along the horizontal direction, pop out the device top and rotate connect in place the board.

Through above-mentioned technical scheme, put the board through the setting and pop out the device and cooperate, when needs rotate the switching-over to the plastic slab, through relaxing closing device, make to pop out the device and will place the board and pop out and place the groove, put the board through rotating and accomplish the rotation switching-over operation to the plastic slab promptly, it is more convenient.

The utility model discloses further set up to: the surface of the compressing device, which is in contact with the plastic plate, is provided with an elastic rubber pad, and the surface of the placing plate, which is in contact with the plastic plate, is provided with an elastic rubber pad.

Through above-mentioned technical scheme, set up elastic rubber pad on closing device and put the board, make closing device when compressing tightly the plastic slab, be difficult for damaging the plastic slab, also increased plastic slab and closing device and put the frictional force between the board, make the fixed of plastic slab more stable, be difficult for taking place the offset.

The utility model discloses further set up to: the pressing plate is connected to the pressing rod in a rotating mode along the horizontal direction.

Through above-mentioned technical scheme, rotate between setting up the clamp plate and compressing tightly the pole and be connected, make the workman turn to the plastic slab when the operation, reduce the clamp plate to the frictional force between the upper plastic slab, make the workman more laborsaving when rotating, and be difficult for disordering the plastic slab that stacks and place.

To sum up, the utility model discloses following beneficial effect has:

1. the automatic edge trimmer for the plastic plates can simultaneously polish two surfaces of a plurality of plastic plates, so that the working efficiency is greatly improved, and the abrasive belt is used for polishing the processing surfaces of the plastic plates, so that the processing surfaces of the plastic plates are smoother, and the quality of finished products is improved.

2. When the workman is polished to the different machined surfaces of plastic slab, through closing device with turn to the device and more conveniently fix the plastic slab and turn to, reduce workman's intensity of labour, promoted work efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the pressing device in the present embodiment;

FIG. 3 is a sectional view of the steering apparatus in the present embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 1;

FIG. 5 is a schematic view of a first polishing apparatus in this embodiment;

FIG. 6 is a schematic view of the synchronous drive of the present embodiment;

fig. 7 is a partially enlarged view of a portion B in fig. 1.

Reference numerals: 1. a frame body; 2. a placing table; 3. supporting legs; 4. a plurality of support rods; 5. a top plate; 6. a plastic panel; 7. a pressing device; 8. a first grinding device; 9. a second polishing device; 10. a synchronous drive; 11. adjusting a rod; 12. a transmission belt; 13. an adjusting ring; 14. adjusting the turntable; 15. a hold down bar; 16. pressing a plate; 17. a rubber pad; 18. a placing groove; 19. placing a plate; 20. a second feed slot; 21. ejecting the rod; 22. a housing; 23. a spring; 24. a support plate; 25. a first feed slot; 26. a slider; 27. an abrasive belt; 28. a drive motor; 29. a rotating roller; 30. a steering device; 31. a drive power supply; 32. a connecting plate; 33. a connecting rod; 34. a first transmission block; 35. a third transmission block; 36. a second transmission block; 37. a fourth transmission block; 38. a first bidirectional threaded lead screw; 39. a second bidirectional threaded screw; 40. a transmission rod; 41. a first drive gear; 42. a second transmission gear; 43. a support block; 44. a third transmission gear; 45. a drive motor; 46. a chute; 47. a fourth transmission gear; 48. an ejection device; 49. an adjustment mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an automatic trimmer of plastic slab, as shown in fig. 1, including support body 1, the plastic slab 6, turn to device 30, closing device 7, first grinding device 8, second grinding device 9, synchronous transmission 10, support body 1 has a plurality of supporting legs 3 and sets up in the platform 2 of placeeing at supporting leg 3 top, place 2 top fixedly connected with of platform along vertical direction respectively fixed connection in place four spinal branch vaulting poles 4 of 2 top surfaces of platform, 4 top fixedly connected with roofs 5 of bracing piece, a turn to device 30 and set up in placing 2 central points in the platform for conveniently making 6 processing faces of plastic slab turn to put, a plurality of plastic slabs 6 are placed in turning to device 30 tops along vertical direction is range upon range of.

A synchronous drive device 10 that is used for compressing tightly 7 in the closing device who places 2 top surfaces of platform with plastic slab for 6 connect in the position of roof 5 corresponding plastic slab 6, is used for polishing the first grinding device 8 and the second grinding device 9 symmetry of plastic slab 6 machined surface and sets up in plastic slab 6 both sides, is used for making the synchronous relative motion of first grinding device 8 and second grinding device 9 sets up in roof 5 upside, and synchronous drive device 10 is connected with first grinding device 8 and second grinding device 9 respectively.

As shown in fig. 2, the steering device 30 includes a placing plate 19 and an ejecting device 48, a square placing groove 18 is formed in the center of the placing table 2, the placing groove 18 penetrates through the top surface and the bottom surface of the placing table 2 along the vertical direction, the placing plate 19 matched with the placing groove 18 is disposed in the placing groove 18, the top surface of the placing plate 19 and the top surface of the placing table 2 are at the same horizontal height, an elastic rubber pad 17 is disposed on the top surface of the placing plate 19, the ejecting device 48 includes an ejecting rod 21, a spring 23, a housing 22 and a supporting plate 24, the ejecting rod 21 is rotatably connected to the bottom surface of the placing plate 19 along the vertical direction, the housing 22 is sleeved outside the ejecting rod 21, the bottom end of the ejecting rod 21 is connected to the inner wall of the housing 22 through the spring 23 to make the placing plate 19 have a tendency of ejecting out of the placing groove 18, and the supporting plate 24 is sleeved.

As shown in fig. 3, the pressing device 7 includes a pressing plate 16, a pressing rod 15, an adjusting ring 13, a transmission belt 12, an adjusting rod 11, an adjusting turntable 14, the pressing rod 15 is screwed to the top plate 5 at a position corresponding to the placing plate 19, the top end of the pressing rod 15 extends out of the top plate 5, the bottom surface of the pressing rod 15 is connected with the pressing plate 16 along the axial direction of the pressing rod, the bottom surface of the pressing plate 16 is fixedly connected with an elastic rubber pad 17, the adjusting rod 11 is vertically arranged at one side of the surface to be processed of the plastic plate 6, the top end and the bottom end of the adjusting rod 11 are respectively connected to the top plate 5 and the placing table 2 in a rotating manner, the adjusting ring 13 is sleeved outside the pressing rod 15 and is screwed to the pressing rod 15, the upper end of the adjusting ring 13 is rotatably connected to the top plate 5, the adjusting ring 13 is connected to the adjusting rod 11 through the transmission, the use is more labor-saving and more convenient.

As shown in fig. 4 and 5, the first polishing device 8 includes a sliding block 26, a plurality of rotating rollers 29, an abrasive belt 27, a plurality of driving motors 28, a driving power source 31, a connecting plate 32, a first driving block 34, a third driving block 35, and an abrasive belt 27 for polishing the processing surface of the plastic plate 6, the placing table 2 is provided with a plurality of first feeding grooves 25 which are arranged in parallel and at intervals along the horizontal direction and are used for moving the first polishing device 8 and the second polishing device 9 toward the plastic plate 6, the first feeding grooves 25 extend along the moving direction of the first polishing device 8 and the second polishing device 9, the placing plate 19 is provided with second feeding grooves 20 which are matched and communicated with the first feeding grooves 25, and the second feeding grooves 20 are arranged perpendicularly and crosswise on the placing plate 19, so that the placing plate 19 is still matched and communicated with the first feeding grooves 25 after rotating.

Sliding block 26 bottom sliding connection is in first feed groove 25, and remove along first feed groove 25 extending direction, sliding block 26 is through connecting rod 33 fixedly connected with connecting plate 32 along vertical direction setting, connecting plate 32 top surface fixedly connected with first transmission piece 34 and third transmission piece 35, the spout 46 that extends along first sanding device 8 moving direction is opened in the position that roof 5 is located first transmission piece 34 and third transmission piece 35, spout 46 runs through roof 5 along vertical direction, first transmission piece 34 and third transmission piece 35 all wear out spout 46 along horizontal direction interval setting and top.

A plurality of rotating rollers 29 are arranged in parallel at intervals along the vertical direction, the top ends and the bottom ends of the rotating rollers 29 are respectively and rotatably connected with the connecting plate 32 and the sliding block 26, the abrasive belts 27 are sleeved outside the rotating rollers 29, the outer surfaces of the abrasive belts 27 are abrasive surfaces, the planes of the rotating rollers 29 are parallel to the processing surface of the plastic plate 6, a plurality of driving motors 28 are fixedly arranged on the sliding block 26 and are connected with the rotating rollers 29 one by one, the driving motors 28 are respectively connected with driving power sources 31 fixedly arranged on the sliding block 26, the second polishing device 9 is the same as the first polishing device 8 and is arranged corresponding to the first polishing device 8, the second polishing device 9 comprises a second driving block 36 and a fourth driving block 37, sliding grooves 46 extending along the moving direction of the second polishing device 9 are formed in the positions of the top plate 5, which are positioned on the second driving block 36 and the fourth driving block 37, the sliding grooves 46 penetrate through the top plate 5 along the vertical direction, the second transmission block 36 and the fourth transmission block 37 are arranged at intervals along the horizontal direction, and the top ends of the second transmission block and the fourth transmission block penetrate out of the sliding groove 46.

As shown in fig. 6 and 7, the synchronous transmission device 10 includes a first bidirectional threaded screw 38, a second bidirectional threaded screw 39, a transmission rod 40, a supporting block 43, a first transmission gear 41, a second transmission gear 42, a third transmission gear 44, and a transmission motor 45, the first bidirectional threaded screw 38 and the second bidirectional threaded screw 39 are arranged in parallel at intervals and rotatably arranged on the upper side of the top plate 5 along the extending direction of a sliding groove 46 through the supporting block 43, the first bidirectional threaded screw 38 and the second bidirectional threaded screw 39 both have a forward threaded section and a reverse threaded section, the first transmission block 34 and the second transmission block 36 are respectively in threaded connection with the forward threaded section and the reverse threaded section of the first bidirectional threaded screw 38, and the third transmission block 35 and the fourth transmission block 37 are respectively in threaded connection with the forward threaded section and the reverse threaded section of the second bidirectional threaded screw 39.

The transmission rod 40 is rotatably arranged on the upper side of the top plate 5 along the horizontal direction through a supporting block 43 and is perpendicular to the first bidirectional threaded screw rod 38 and the second bidirectional threaded screw rod 39, the transmission rod 40 is provided with a positive thread section and a negative thread section, one end of the first bidirectional threaded screw rod 38, which is the same as the second bidirectional threaded screw rod, is fixedly connected with a first transmission gear 41 and a second transmission gear 42 respectively, the first transmission gear 41 and the second transmission gear 42 are respectively meshed with the positive thread section and the negative thread section of the transmission rod 40, the transmission motor 45 is fixedly arranged on the top surface of the top plate 5 at the position of the transmission rod 40, the middle part of the transmission rod 40 is provided with a third transmission gear 44, and the third transmission gear 44 is.

The working process is as follows: a worker places a plastic plate 6 to be processed on a placing plate 19 in a laminating manner, the surface of the plastic plate 6 to be processed is opposite to a first polishing device 8 and a second polishing device 9, a pressing plate 16 moves downwards by rotating an adjusting turntable 14, the plastic plate 6 is tightly pressed on the placing plate 19, the placing plate 19 is also tightly pressed in a placing groove 18, the plastic plate 6 is not easy to shift in position in the polishing process, then the synchronous transmission device 10 is further controlled by controlling a transmission motor 45 to enable the first polishing device 8 and the second polishing device 9 to move oppositely to adjust the relative position of the processing surface of the plastic plate 6, the outer surface of an abrasive belt 27 is tightly attached to the processing surface of the plastic plate 6, a plurality of rotating rollers 29 of the first polishing device 8 and the second polishing device 9 are rotated by controlling a driving motor 28 to further drive the abrasive belt 27 to rotate, and the rough edges of the plastic plate 6 are removed by the processing surface of the plastic plate 6, when the other adjacent two surfaces of the plastic plate 6 need to be processed, a worker rotates the adjusting turntable 14 to enable the pressing plate 16 to move upwards, the placing plate 19 is pushed out of the placing groove 18 through the ejection rod 21, the placing plate 19 is rotated at the same time, the placing angle of the plastic plate 6 is adjusted, the other adjacent two surfaces of the plastic plate 6 are enabled to be opposite to the first polishing device 8 and the second polishing device 9, and then the first polishing device 8 and the second polishing device 9 are controlled to move to polish the plastic plate 6.

This concrete embodiment is practical convenient and simple structure, has realized polishing simultaneously to a plurality of plastic slabs 6, greatly improved work efficiency, has alleviateed workman's intensity of labour, and has improved off-the-shelf uniformity and quality.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides an automatic trimmer of plastic slab which characterized in that: including support body (1), set up in be used for on support body (1) place platform (2), be used for with plastic slab (6) compress tightly in place closing device (7) of platform (2) top surface and set up in place bench and be used for polishing plastic slab (6) machined surface's first grinding device (8).

2. The automatic edge trimmer of plastic panel of claim 1, wherein: the first grinding device (8) comprises a sliding block (26), a plurality of rotating rollers (29), a plurality of driving motors (28), a driving power supply (31) and a grinding belt (27) for grinding the processing surface of the plastic plate (6), the sliding block (26) is arranged on one side of the processing surface of the plastic plate (6) and is connected to the top surface of the placing table (2) in a sliding mode along the direction perpendicular to the processing surface of the plastic plate (6), the rotating rollers (29) are arranged at intervals along the direction parallel to the processing surface of the plastic plate (6), the bottom ends of the rotating rollers are connected to the sliding block (26), the driving motors (28) are arranged on the sliding block (26) and are connected with the rotating rollers (29) in a one-to-one correspondence mode, the driving motors (28) are all connected with driving power sources (31) arranged on the sliding block (26), and the abrasive belt (27) is sleeved on the outer sides of the rotating rollers (29).

3. The automatic edge trimmer of plastic panel of claim 2, wherein: the plastic plate polishing machine further comprises a second polishing device (9) with the same structure as the first polishing device (8), and the first polishing device (8) and the second polishing device (9) are respectively arranged on two sides of the plastic plate (6).

4. The automatic edge trimmer of plastic panel of claim 3, wherein: place platform (2) top surface and be provided with a plurality of bracing piece (4) and a plurality of bracing piece (4) top fixedly connected with and be on a parallel with roof (5) of placing platform (2), closing device (7) include top threaded connection in compressing tightly pole (15) of roof (5) and connect in compress tightly clamp plate (16) of pole (15) bottom, compress tightly pole (15) top and stretch out roof (5) top surface and be connected with the drive compress tightly regulation mechanism (49) that pole (15) removed along vertical direction.

5. The automatic edge trimmer of plastic panel of claim 4, wherein: adjustment mechanism (49) including set up along vertical direction and the top rotate connect in regulation pole (11) of roof (5), it is equipped with drive belt (12) to adjust pole (11) outside cover, compress tightly pole (15) through drive belt (12) with adjust pole (11) and rotate and connect, it is provided with regulation carousel (14) of the application of force of being convenient for to adjust pole (11).

6. The automatic edge trimmer of plastic panel of claim 4, wherein: still include synchronous transmission device (10), roof (5) have been seted up along first grinding device (8) and second grinding device (9) moving direction extend and run through roof (5) spout (46) along vertical direction, synchronous transmission device (10) include drive motor (45), sliding connection first transmission piece (34) and second transmission piece (36) in spout (46), set up and rotate along spout (46) extending direction level and connect in first bidirectional screw rod (38) of roof (5), first transmission piece (34), second transmission piece (36) equal fixedly connected with connecting plate (32) in bottom surface, a plurality of live-rollers (29) top that correspond first grinding device (8) all rotate connect in connecting plate (32) that correspond first transmission piece (34), a plurality of live-rollers (29) top that correspond second grinding device (9) all rotate connect in connecting plate (32) that correspond second transmission piece (36) ) The first bidirectional threaded screw rod (38) is provided with a positive threaded section and a negative threaded section, one end of the first bidirectional threaded screw rod (38) is connected with a driving shaft of a transmission motor (45), and the first transmission block (34) and the second transmission block (36) are respectively in threaded connection with the positive threaded section and the negative threaded section of the first bidirectional threaded screw rod (38).

7. The automatic edge trimmer of claim 6, wherein: respectively correspond connect in connecting plate (32) bottom surface difference fixedly connected with connecting rod (33) of first transmission piece (34), second transmission piece (36), and correspond to connecting rod (33) of first transmission piece (34), second transmission piece (36) all set up along vertical direction and respectively fixed connection in with sliding block (26) that first grinding device (8) and second grinding device (9) correspond.

8. The automatic edge trimmer of plastic panel of claim 1, wherein: place the position that plastic slab (6) were placed to platform (2) and open and have along vertical direction run through place groove (18) of placing platform (2) and place and be equipped with in groove (18) and turn to device (30), turn to device (30) and include that the bottom supports in pop-up device (48) on ground and set up along the horizontal direction and place board (19) in placing groove (18), pop-up device (48) top rotate connect in place board (19).

9. The automatic edge trimmer of claim 8, wherein: the surface that closing device (7) and plastic slab (6) contact is provided with elasticity rubber pad (17), place board (19) the surface that plastic slab (6) contact is provided with elasticity rubber pad (17).

10. The automatic edge trimmer of plastic panel of claim 4, wherein: the pressure plate (16) is rotatably connected to the pressing rod (15) along the horizontal direction.

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