CN215358756U

CN215358756U - A cutting device for production of PET protection film

Info

Publication number: CN215358756U
Application number: CN202023259834.4U
Authority: CN
Inventors: 刘子庆
Original assignee: Foshan Kern Fine Materials Co ltd
Current assignee: Foshan Kern Fine Materials Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-31
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of cutting equipment, and particularly relates to a cutting device for producing a PET (polyethylene terephthalate) protective film, aiming at the problems that the position of a cutting knife cannot be adjusted quickly and efficiently when the existing PET protective film cutting device is used, the operation is complicated, and the cutting knife is inconvenient to store and replace. The cutting knife adjusting device is reasonable in design, can adjust the position of a cutting knife quickly and efficiently through the mutual matching of the vertical plate, the lifting plate, the screw rod, the screw sleeve and other components, is convenient to store and replace the cutting knife, and is simple to operate and convenient to use.

Description

A cutting device for production of PET protection film

Technical Field

The utility model relates to the technical field of cutting equipment, in particular to a cutting device for producing a PET (polyethylene terephthalate) protective film.

Background

PET plastics are abbreviated as PET or PETP. The Chinese means that the poly-terephthalic acid plastic mainly comprises polyethylene terephthalate (PET) and polybutylene terephthalate (PBT). Polyethylene terephthalate is also commonly referred to as polyester resin. It is a polycondensate of terephthalic acid and ethylene glycol, together with PBT, generally referred to as thermoplastic polyester, or saturated polyester.

The in-process of PET protection film at production need cut the protection film, and current PET protection film cutting device can not high efficiency adjust the position of pair cutting knife when using however, and the operation is comparatively loaded down with trivial details, is not convenient for accomodate and change the cutting knife simultaneously, therefore we have proposed a cutting device for production of PET protection film and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provides a cutting device for producing a PET protective film.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cutting device for PET protective film production comprises a box body, wherein supporting legs are arranged at four corners of the bottom of the box body, a baffle is fixedly arranged at the rear side of the top of the box body, two first shafts are rotatably arranged on inner walls of the front side and the rear side of the box body, first guide rollers are fixedly sleeved on the outer sides of the two first shafts, two rectangular openings are formed in the top of the box body, the two first guide rollers are respectively matched with the corresponding rectangular openings, two rotating pins are rotatably arranged on the baffle, second guide rollers are fixedly sleeved on the outer sides of the two rotating pins and are respectively matched with the corresponding first guide rollers, two lead screws are rotatably arranged on the inner wall of the top of the box body and the inner wall of the bottom, screw sleeves are respectively and threadedly arranged on the outer sides of the two lead screws, worm wheels are fixedly sleeved at the bottoms of the two screw sleeves, the same lifting plate is arranged on the two screw sleeves, the two screw sleeves are rotatably connected with the lifting plate, a motor is arranged on the top side of the lifting plate, a vertical plate is fixedly mounted on the top side of the lifting plate, one end of a hollow shaft is rotatably mounted on the vertical plate, a first belt pulley is fixedly sleeved on the other end of the hollow shaft, an inner gear disc is fixedly mounted on one side of the first belt pulley based on the hollow shaft as a circle center, one end of a second shaft is fixedly mounted on an output shaft of the motor, the other end of the second shaft penetrates through the hollow shaft and is fixedly sleeved with a first gear, a second gear is fixedly sleeved on the outer side of the second shaft and is matched with the inner gear disc, a support plate is fixedly mounted on the bottom side of the lifting plate, a third shaft is rotatably mounted on the support plate, a second belt pulley is fixedly sleeved on the outer side of the third shaft, and the first belt pulley and the second belt pulley are rotatably connected with the same belt, helical tooth has all been seted up at the outside both ends of third axle, and two helical tooth mesh with the worm wheel that corresponds respectively, the top side slidable mounting of lifter plate has the riser, one side fixed mounting of riser has the bar pinion rack, first gear meshes with the bar pinion rack mutually, the mounting groove has been seted up to the top side of riser, the top side of riser is provided with the mount pad, be provided with the cutting knife on the mount pad, the storage port has been seted up at the top of box, cutting knife and storage port looks adaptation, the bottom side fixed mounting of mount pad has the strip shaped plate, the sliding hole has been seted up on the strip shaped plate, slidable mounting has two square poles in the sliding hole, the draw-in groove has all been seted up to the both sides of riser, and both sides draw-in groove all is linked together with the mounting groove.

Preferably, the top side fixed mounting of lifter plate has electronic slide rail, be provided with the movable plate on the electronic slide rail, motor fixed mounting can control the motor through electronic slide rail and carry out position adjustment at the top side of movable plate.

Preferably, the spout has been seted up on the top side of lifter plate, slidable mounting has the square plate in the spout, the through-hole has been seted up on the square plate, fixed mounting has same slide bar on the both sides inner wall around the spout, the outside and the through-hole sliding connection of slide bar can make the square plate drive the riser and remove along the top side of lifter plate through spout and slide bar.

Preferably, the sliding hole is internally provided with a spring, one side of each square rod, which is close to each other, is fixedly connected with the two ends of the spring respectively, and the springs can push the two square rods to move along the direction away from each other along the sliding hole.

Preferably, the wedge-shaped plates are fixedly mounted on one sides of the two square rods, which are far away from each other, and the two wedge-shaped plates are movably clamped in the corresponding clamping grooves respectively and can be fixed to the strip-shaped plates through the wedge-shaped plates and the clamping grooves.

Preferably, the limiting grooves have been all seted up on the top inner wall of draw-in groove and on the bottom inner wall, and slidable mounting has same slurcam in two limiting grooves, one side fixed mounting of slurcam has the sliding plate, the opposite side fixed mounting of slurcam has the one end of horizontal pole, the other end fixed mounting of horizontal pole has the clamp plate, fixed mounting has the one end of pressure spring on the one side inner wall of limiting groove, the other end and the slurcam fixed connection of pressure spring can release the wedge from the draw-in groove through the cooperation between clamp plate, pressure spring, slurcam and the sliding plate.

In the cutting device for producing the PET protective film, when the cutting device is used, firstly, a power supply is switched on, the PET protective film passes through the space between the first guide roller and the second guide roller on the left side, when the PET protective film passes through the space between the first guide roller and the second guide roller on the right side, the PET protective film is in a tensioning state, the motor is started, the output shaft of the motor drives the first gear and the second gear to rotate through the second shaft, the first gear drives the vertical plate through the strip toothed plate to enable the square plate to slide along the sliding groove, so that the position of the vertical plate can be adjusted, the cutting knife is moved to a proper position under the action of the vertical plate, the movable plate is controlled by the electric slide rail to drive the motor to slide leftwards, so that the second gear and the inner gear plate are in a meshing state, the second gear drives the hollow shaft through the inner gear plate to enable the first belt pulley to rotate, and the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the worm wheel to rotate through the third shaft, the worm wheel drives the lifting plate to move upwards along the screw rod through the threaded sleeve, so that the cutting knife can extend upwards from the accommodating opening, the first guide roller is driven to rotate clockwise after the cutting knife is adjusted to a proper position, and the PET protective film is cut under the action of the cutting knife;

when needs change the cutting knife, extrude two clamp plates to the direction that is close to each other through the operator, make the slurcam drive the sliding plate and extrude the wedge that corresponds and push the mounting groove with the wedge in, loosen the clamp plate, the slurcam resets under the effect of pressure spring, take off the cutting knife through the mount pad and change can, install new cutting knife on the mount pad, insert the mounting groove with the bar board in, make two wedge get into the draw-in groove that corresponds under the effect of spring in, the completion is changed.

The cutting knife adjusting device is reasonable in design, can adjust the position of a cutting knife quickly and efficiently through the mutual matching of the vertical plate, the lifting plate, the screw rod, the screw sleeve and other components, is convenient to store and replace the cutting knife, and is simple to operate and convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of a cutting device for PET protective film production according to the present invention;

FIG. 2 is a partially enlarged schematic structural diagram of a cutting device for producing a PET protective film according to the present invention;

FIG. 3 is a schematic structural diagram of a portion A in FIG. 2 of a cutting device for PET protective film production according to the present invention;

fig. 4 is a schematic structural diagram of a part B in fig. 2 of a cutting device for producing a PET protective film according to the present invention.

In the figure: 1. a box body; 2. a baffle plate; 3. a first shaft; 4. a first guide roller; 5. a rotation pin; 6. a second guide roller; 7. a screw rod; 8. a threaded sleeve; 9. a worm gear; 10. a lifting plate; 11. a motor; 12. a vertical plate; 13. a hollow shaft; 14. a first pulley; 15. an inner gear plate; 16. a second shaft; 17. a first gear; 18. a second gear; 19. a vertical plate; 20. a strip toothed plate; 21. a third axis; 22. a second pulley; 23. a belt; 24. mounting grooves; 25. a strip plate; 26. a slide hole; 27. a square bar; 28. a clamping groove.

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.

Referring to fig. 1-4, a cutting device for producing a PET protective film, comprising a box body 1, wherein four corners of the bottom of the box body 1 are respectively provided with a supporting leg, a baffle 2 is fixedly arranged at the rear side of the top of the box body 1, two first shafts 3 are rotatably arranged on inner walls of the front and rear sides of the box body 1, the outer sides of the two first shafts 3 are respectively and fixedly sleeved with a first guide roller 4, the top of the box body 1 is provided with two rectangular openings, the two first guide rollers 4 are respectively matched with the corresponding rectangular openings, two rotating pins 5 are rotatably arranged on the baffle 2, the outer sides of the two rotating pins 5 are respectively and fixedly sleeved with a second guide roller 6, the two second guide rollers 6 are respectively matched with the corresponding first guide rollers 4, two screw rods 7 are rotatably arranged on the inner wall of the top of the box body 1 and the inner wall of the bottom, screw sleeves 8 are respectively and threadedly arranged on the outer sides of the two screw sleeves 8, worm wheels 9 are respectively and fixedly sleeved on the bottom ends of the two screw sleeves 8, the two screw sleeves 8 are provided with the same lifting plate 10, the two screw sleeves 8 are rotatably connected with the lifting plate 10, the top side of the lifting plate 10 is provided with a motor 11, the top side of the lifting plate 10 is fixedly provided with a vertical plate 12, the vertical plate 12 is rotatably provided with one end of a hollow shaft 13, the other end of the hollow shaft 13 is fixedly sleeved with a first belt pulley 14, one side of the first belt pulley 14 is fixedly provided with an inner gear disc 15 based on the hollow shaft 13 as a circle center, the output shaft of the motor 11 is fixedly provided with one end of a second shaft 16, the other end of the second shaft 16 penetrates through the hollow shaft 13 and is fixedly sleeved with a first gear 17, the outer side of the second shaft 16 is fixedly sleeved with a second gear 18, the second gear 18 is matched with the inner gear disc 15, the bottom side of the lifting plate 10 is fixedly provided with a supporting plate, the supporting plate is rotatably provided with a third shaft 21, and the outer side of the third shaft 21 is fixedly sleeved with a second belt pulley 22, first belt pulley 14 and second belt pulley 22 go up the transmission and are connected with same belt 23, helical tooth has all been seted up at third axle 21's the outside both ends, two helical tooth mesh with the worm wheel 9 that corresponds respectively mutually, the top side slidable mounting of lifter plate 10 has riser 19, one side fixed mounting of riser 19 has bar pinion rack 20, first gear 17 meshes with bar pinion rack 20 mutually, mounting groove 24 has been seted up to riser 19's top side, riser 19's top side is provided with the mount pad, be provided with the cutting knife on the mount pad, the storage port has been seted up at box 1's top, cutting knife and storage port looks adaptation, the bottom side fixed mounting of mount pad has bar plate 25, sliding hole 26 has been seted up on bar plate 25, sliding hole 26 slidable mounting has two square poles 27, draw-in groove 28 has all been seted up to riser 19's both sides, and both sides draw-in groove all is linked together with mounting groove 24.

In this embodiment, an electric slide rail is fixedly mounted on the top side of the lifting plate 10, a moving plate is arranged on the electric slide rail, the motor 11 is fixedly mounted on the top side of the moving plate, and the motor 11 can be controlled to adjust the position through the electric slide rail.

In this embodiment, the spout has been seted up to the top side of lifter plate 10, and slidable mounting has the square plate in the spout, has seted up the through-hole on the square plate, and fixed mounting has same slide bar on the both sides inner wall around the spout, and the outside and the through-hole sliding connection of slide bar can make the square plate drive riser 19 and remove along the top side of lifter plate 10 through spout and slide bar.

In this embodiment, a spring is arranged in the sliding hole 26, one side of each of the two square bars 27 close to each other is fixedly connected to two ends of the spring, and the two square bars 27 can be pushed by the spring to move along the direction away from each other along the sliding hole 26.

In this embodiment, the equal fixed mounting in one side that two square poles 27 kept away from each other has the wedge, and two wedge activity joints respectively can fix strip plate 25 through wedge and draw-in groove 28 in the draw-in groove 28 that corresponds.

In this embodiment, the spacing groove has all been seted up on the top inner wall of draw-in groove 28 and on the inner wall of bottom, sliding mounting has same slurcam in two spacing grooves, one side fixed mounting of slurcam has the sliding plate, the opposite side fixed mounting of slurcam has the one end of horizontal pole, the other end fixed mounting of horizontal pole has the clamp plate, fixed mounting has the one end of pressure spring on the one side inner wall of spacing groove, the other end and the slurcam fixed connection of pressure spring, pass through the clamp plate, the pressure spring, the cooperation between slurcam and the sliding plate, can release the wedge from in the draw-in groove 28.

In the utility model, when the cutting tool is used, firstly, a power supply is switched on, the first guide roller 4 is driven to rotate by related driving equipment, a PET protective film passes through the space between the first guide roller 4 and the second guide roller 6 on the left side, when the PET protective film passes through the space between the first guide roller 4 and the second guide roller 6 on the right side, the PET protective film is in a tensioned state, the motor 11 is started, an output shaft of the motor 11 drives the first gear 17 and the second gear 18 to rotate through the second shaft 16, the first gear 17 drives the vertical plate 19 through the strip-shaped toothed plate 20 to enable the square plate to slide along the sliding groove, so that the position of the vertical plate 19 can be adjusted, the cutting tool is moved to a proper position under the action of the vertical plate 19, the motor 11 is driven to slide leftwards through the electric sliding rail control moving plate, so that the second gear 18 and the inner gear plate 15 are in a meshed state, the second gear 18 drives the hollow shaft 13 through the inner gear plate 15 to enable the first belt pulley 14 to rotate, the first belt pulley 14 drives the second belt pulley 22 to rotate through a belt 23, the second belt pulley 22 drives the worm wheel 9 to rotate through a third shaft 21, the worm wheel 9 drives the lifting plate 10 to move upwards along the screw rod 7 through the threaded sleeve 8, so that the cutting knife can extend upwards from the accommodating opening, after the cutting knife is adjusted to a proper position, the first guide roller 4 is driven to rotate clockwise, the PET protective film can be cut under the action of the cutting knife, when the cut-off is required to be replaced, the two cutting knife pressing plates are extruded towards the mutually close directions through an operator, so that the pushing plate drives the sliding plate to extrude the corresponding wedge plate and push the wedge plate into the mounting groove 24, the pressing plates are loosened, the pushing plates reset under the action of the pressure spring, the cutting knife can be taken down through the mounting seat for replacement, a new cutting knife is mounted on the mounting seat, the strip-shaped plates 25 are inserted into the mounting grooves 24, and the two wedge-shaped plates enter the corresponding clamping grooves 28 under the action of the springs, so that replacement is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The cutting device for the production of the PET protective film comprises a box body (1), wherein supporting legs are arranged at four corners of the bottom of the box body (1), and is characterized in that a baffle (2) is fixedly arranged at the rear side of the top of the box body (1), two first shafts (3) are rotatably arranged on inner walls of the front side and the rear side of the box body (1), first guide rollers (4) are fixedly sleeved on the outer sides of the two first shafts (3), two rectangular openings are formed in the top of the box body (1), the two first guide rollers (4) are respectively matched with the corresponding rectangular openings, two rotating pins (5) are rotatably arranged on the baffle (2), second guide rollers (6) are fixedly sleeved on the outer sides of the two rotating pins (5), the two second guide rollers (6) are respectively matched with the corresponding first guide rollers (4), two lead screws (7) are rotatably arranged on the inner wall of the top of the box body (1) and on the inner wall of the bottom, the outer sides of the two screw rods (7) are all provided with screw sleeves (8) in a threaded manner, the bottom ends of the two screw sleeves (8) are all fixedly sleeved with worm wheels (9), the two screw sleeves (8) are provided with the same lifting plate (10), the two screw sleeves (8) are all rotatably connected with the lifting plate (10), the top side of the lifting plate (10) is provided with a motor (11), the top side of the lifting plate (10) is fixedly provided with a vertical plate (12), one end of a hollow shaft (13) is rotatably arranged on the vertical plate (12), the other end of the hollow shaft (13) is fixedly sleeved with a first belt pulley (14), one side of the first belt pulley (14) is fixedly provided with an inner gear disc (15) based on the hollow shaft (13) as the center of a circle, the output shaft of the motor (11) is fixedly provided with one end of a second shaft (16), the other end of the second shaft (16) penetrates through the hollow shaft (13) and is fixedly sleeved with a first gear (17), the fixed cover in the outside of secondary shaft (16) is equipped with second gear (18), second gear (18) and internal gear dish (15) looks adaptation, the bottom side fixed mounting of lifter plate (10) has the backup pad, it installs third axle (21) to rotate in the backup pad, the fixed cover in the outside of third axle (21) is equipped with second belt pulley (22), it has same belt (23) to transmit connection on first belt pulley (14) and second belt pulley (22), the spiral tooth has all been seted up at the outside both ends of third axle (21), and two spiral teeth mesh with corresponding worm wheel (9) respectively, the top side slidable mounting of lifter plate (10) has riser (19), one side fixed mounting of riser (19) has bar pinion rack (20), first gear (17) meshes with bar pinion rack (20) mutually, mounting groove (24) have been seted up to the top side of riser (19), the top side of riser (19) is provided with the mount pad, be provided with the cutting knife on the mount pad, the storage opening has been seted up at the top of box (1), cutting knife and storage opening looks adaptation, the bottom side fixed mounting of mount pad has bar shaped plate (25), sliding hole (26) have been seted up on bar shaped plate (25), slidable mounting has two square poles (27) in sliding hole (26), draw-in groove (28) have all been seted up to the both sides of riser (19), and the both sides draw-in groove all is linked together with mounting groove (24).

2. The cutting device for PET protection film production according to claim 1, wherein a motor-driven slide rail is fixedly mounted on the top side of the lifting plate (10), a moving plate is arranged on the motor-driven slide rail, and the motor (11) is fixedly mounted on the top side of the moving plate.

3. The cutting device for producing the PET protective film according to claim 1, wherein a sliding groove is formed in the top side of the lifting plate (10), a square plate is slidably mounted in the sliding groove, a through hole is formed in the square plate, the inner walls of the front side and the rear side of the sliding groove are fixedly provided with a same sliding rod, and the outer side of the sliding rod is slidably connected with the through hole.

4. The cutting device for PET protection film production according to claim 1, characterized in that a spring is arranged in the sliding hole (26), and the sides of the two square rods (27) close to each other are fixedly connected with the two ends of the spring respectively.

5. The cutting device for producing the PET protective film according to claim 1, wherein wedge-shaped plates are fixedly mounted on the sides, far away from each other, of the two square rods (27), and the two wedge-shaped plates are movably clamped in the corresponding clamping grooves (28) respectively.

6. The cutting device for producing the PET protective film according to claim 1, wherein the top inner wall and the bottom inner wall of the clamping groove (28) are both provided with a limiting groove, the two limiting grooves are slidably provided with the same pushing plate, one side of the pushing plate is fixedly provided with a sliding plate, the other side of the pushing plate is fixedly provided with one end of a cross rod, the other end of the cross rod is fixedly provided with a pressing plate, one end of a pressure spring is fixedly arranged on the inner wall of one side of the limiting groove, and the other end of the pressure spring is fixedly connected with the pushing plate.