Slitting and edge cutting equipment for PET film finished product processing

Abstract

The invention discloses slitting and edge cutting equipment for PET film finished product processing, and belongs to the technical field of PET film processing. The slitting and edge cutting equipment comprises a fixing frame, a film roll is arranged on one side of the fixing frame, rotating shafts are fixed to the two ends of the film roll, a transverse rod is arranged on the side, away from the film roll, in the fixing frame, and a plurality of cutters are arranged on the lower side of the transverse rod. A folding rod is pulled to drive a limiting plate to slide in a fixing cylinder, a spring is compressed, then a sliding sleeve can be pushed to slide on a cross rod, the sliding sleeve moves to drive a cutter at the lower end to move, the folding rod is loosened after the cutter moves to a proper position, the spring elastically stretches to push one end of the folding rod to enter a corresponding clamping hole in one end of the cross rod, and the effect of limiting and fixing the sliding sleeve is achieved. And then one end of a PET film on the film roll can be pulled through the lower side of the cross rod and is connected with the winding mechanism, the PET film is cut by the cutters when the winding mechanism winds the PET film, the positions of the cutters can be adjusted by arranging the adjusting assembly, and therefore the PET film can be cut into different widths.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of PET film processing, and particularly relates to a slitting and trimming device for PET film finished product processing. BACKGROUND

[0002] PET film, also known as polyethylene terephthalate film, is a thermoplastic resin material known for its excellent physical and chemical properties.

[0003] The existing technology has the following problems: 1. The existing PET film slitting device is inconvenient to adjust the position of the cutter, so that the PET film cannot be slitted into different widths according to the requirements; 2. The existing PET film slitting device is inconvenient to replace the film roll, and it is inconvenient to disassemble and replace the film roll after a roll of PET film is slitted. SUMMARY

[0004] To solve the problems in the background art, the application provides a slitting and trimming device for PET film finished product processing, which has the characteristics of being able to adjust the position of the cutter and being convenient to replace the film roll.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a slitting and trimming device for PET film finished product processing, comprising a fixed frame, a film roll is arranged on one side of the fixed frame, rotating shafts are fixed at both ends of the film roll, a cross bar is arranged on the side of the fixed frame away from the film roll, a plurality of cutters are arranged on the lower side of the cross bar, the film roll and the fixed frame are connected through a mounting assembly, and the cutters and the cross bar are connected through an adjusting assembly. The adjusting assembly comprises a sliding sleeve, a fixed cylinder, a folding rod, a limiting plate, a spring and a clamping hole, the cutter is rotatably connected to the sliding sleeve, the fixed cylinder is fixed at one end of the sliding sleeve, the folding rod is slidably connected in the fixed cylinder, the limiting plate is fixed on the folding rod in the fixed cylinder, the spring is sleeved on the outer side of the folding rod between the limiting plate and the fixed cylinder, and the cross bar is provided with a plurality of clamping holes corresponding to the folding rod at one end.

[0006] Further, the adjusting assembly further comprises a fixed rod, a limiting roller and a lifting assembly, two fixed rods are fixed on the lower side of both ends of the cross bar, the limiting roller is rotatably connected between the two fixed rods on the lower side, and the lifting assembly is arranged between the cross bar and the fixed frame.

[0007] Further, the lifting assembly comprises a cross plate, a lead screw, a lifting plate, a sliding groove I, a sliding block and a sliding groove II, the lifting plate is fixed at one end of the cross bar, the sliding groove I corresponding to the lifting plate is formed in the fixed frame, two cross plates are fixed at positions corresponding to the lifting plate at the front end of the fixed frame, the lead screw is rotatably connected between the two cross plates, the sliding block is fixed at the other end of the cross bar, and the sliding groove II corresponding to the sliding block is formed in the fixed frame.

[0008] Furthermore, the lower end of the limiting roller is higher than the lower end of the cutter, one end of the folding rod protrudes from the side of the fixed cylinder, and a sliding hole corresponding to the folding rod is opened in the fixed cylinder and the sliding sleeve.

[0009] Furthermore, a bearing rotating seat is provided between the screw rod and the horizontal plate, and a threaded hole corresponding to the screw rod is opened in the lifting plate.

[0010] Furthermore, the mounting assembly includes a movable plate, a motor, a limiting cylinder, a rotating rod, a rotating seat, a fixing bolt, a fixing hole, an electric push rod 1, a support assembly and a guide column, wherein the limiting cylinder is fixed at a position corresponding to the rotating shaft at one end of the film roll in the fixed frame, an electric push rod 1 is fixed at a front end of the fixed frame at a position corresponding to the film roll, an output end of the electric push rod 1 is provided with a movable plate, a guide column is fixed at the front end of the fixed frame at a position corresponding to the movable plate, a motor is installed at a position corresponding to the rotating shaft at one end of the movable plate, a rotating rod is provided at the output end of the motor, a rotating seat is fixed at the other end of the rotating rod, the rotating shaft and the rotating seat are connected by a fixing bolt, a fixing hole corresponding to the fixing bolt is opened in the rotating shaft at one end of the film roll, and a support assembly is provided at a position corresponding to the film roll in the fixed frame.

[0011] Furthermore, the support assembly includes an electric push rod 2, a movable seat, an arc plate and ball bearings, wherein an electric push rod 2 is fixed at a position corresponding to the film roll in the fixed frame, a movable seat is provided at the output end of the electric push rod 2, a number of arc plates are fixed at the upper end of the movable seat, and a number of ball bearings are provided at the upper end of the arc plate.

[0012] Furthermore, a sliding hole corresponding to the guide column is opened on the lower side of the movable plate, a sliding hole is opened at a position corresponding to the rotating rod in the fixed frame, and a rolling groove corresponding to the ball is opened on the upper end of the arc plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is provided with an adjusting component. The folding rod is pulled to drive the limit plate to slide in the fixed cylinder. The spring is compressed and then the sliding sleeve can be pushed to slide on the cross bar. The movement of the sliding sleeve drives the cutter at the lower end to move. After the cutter moves to a suitable position, the folding rod is released. The spring is extended to push one end of the folding rod into the corresponding card hole at one end of the cross bar, so as to achieve the effect of limiting and fixing the sliding sleeve. After that, one end of the PET film on the film roll can be pulled from the lower side of the cross bar and connected to the winding mechanism. When the winding mechanism winds the PET film, the PET film is cut by several cutters. The position of the cutter can be adjusted by setting the adjusting component, so that the PET film can be cut into different widths.

[0014] 2、The mounting assembly is arranged, the rotating shaft at one end of the film roll is inserted into the limiting barrel during the installation of the film roll, then the electric push rod is opened to drive the sliding plate to slide on the guide column, the movement of the sliding plate drives the motor and the rotating rod to move, the rotating seat at one end of the rotating rod is sleeved on the rotating shaft at the other end of the film roll, then the fixing bolt can be screwed into the fixing hole of the rotating shaft, so that the rotating shaft and the rotating seat are fixed, the mounting assembly is arranged to facilitate the disassembly and replacement of the film roll, and after the PET film on the film roll is slit, the film roll cannot be replaced, which affects the work efficiency.

[0015] 3、The lifting assembly is arranged, the rotating screw can drive the lifting plate to move in the sliding groove one, the lifting plate moves to drive the cross rod to lift, and the sliding block at the other end of the cross rod moves in the sliding groove two, the lifting of the cross rod can drive the cutter to lift, the lifting assembly is arranged to adjust the height of the cross rod, so that the feed amount of the cutter is adjusted, and when the PET film on the film roll is less, the cutter cannot touch the PET film to slit it. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the present application; Figure 2 It is a rear perspective view of the present application; Figure 3 It is a sectional perspective view of the fixed barrel of the present application; Figure 4 It is a perspective view of the film roll during installation; Figure 5 It is a rear perspective view of the film roll during installation; Figure 6 It is a perspective view of the arc-shaped plate; In the figure: 1, fixed frame; 2, adjusting assembly; 21, sliding sleeve; 22, fixed barrel; 23, folding rod; 24, limiting plate; 25, spring; 26, fixed rod; 27, limiting roller; 28, lifting assembly; 281, cross plate; 282, screw; 283, lifting plate; 284, sliding groove one; 285, sliding block; 286, sliding groove two; 29, clamping hole; 3, mounting assembly; 31, sliding plate; 32, motor; 33, limiting barrel; 34, rotating rod; 35, rotating seat; 36, fixing bolt; 37, fixing hole; 38, electric push rod one; 39, supporting assembly; 391, electric push rod two; 392, moving seat; 393, arc-shaped plate; 394, ball; 310, guide column; 4, film roll; 5, rotating shaft; 6, cutter; 7, cross rod. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Embodiments

[0018] Please refer to Figures 1-6 The present application provides the following technical solutions: a slitting and trimming device for PET film finished product processing, comprising a fixing frame 1, a film roll 4 is arranged on one side of the fixing frame 1, rotating shafts 5 are fixed at both ends of the film roll 4, a cross bar 7 is arranged on the side of the fixing frame 1 away from the film roll 4, a plurality of cutters 6 are arranged on the lower side of the cross bar 7, the film roll 4 and the fixing frame 1 are connected through a mounting assembly 3, and the cutters 6 and the cross bar 7 are connected through an adjusting assembly 2. The adjusting assembly 2 comprises a sliding sleeve 21, a fixed cylinder 22, a folding rod 23, a limiting plate 24, a spring 25 and a clamping hole 29, wherein the cutter 6 is rotatably connected and mounted on the sliding sleeve 21, the fixed cylinder 22 is fixed at one end of the sliding sleeve 21, the folding rod 23 is slidably connected in the fixed cylinder 22, the limiting plate 24 is fixed on the folding rod 23 inside the fixed cylinder 22, the spring 25 is sleeved on the outer side of the folding rod 23 between the limiting plate 24 and the fixed cylinder 22, and the cross bar 7 is provided with a plurality of clamping holes 29 corresponding to the folding rod 23 at one end.

[0019] Further in the present application, the adjusting assembly 2 further comprises a fixed rod 26, a limiting roller 27 and a lifting assembly 28, wherein the cross bar 7 is fixed with two fixed rods 26 on the lower side at both ends, the limiting roller 27 is rotatably connected between the two fixed rods 26 on the lower side, and the lifting assembly 28 is arranged between the cross bar 7 and the fixing frame 1.

[0020] By adopting the above technical solutions, the limiting roller 27 can be rotated on the fixed rod 26 by arranging the limiting roller 27 on both sides of the cross bar 7, and the limiting roller 27 can limit the PET film to avoid scratching the PET film after slitting.

[0021] Further in the present application, the lifting assembly 28 comprises a cross plate 281, a lead screw 282, a lifting plate 283, a sliding groove one 284, a sliding block 285 and a sliding groove two 286, wherein the cross bar 7 is fixed with the lifting plate 283 at one end, the fixing frame 1 is provided with the sliding groove one 284 corresponding to the lifting plate 283, the fixing frame 1 is fixed with two cross plates 281 at the position corresponding to the lifting plate 283 at the front end, the lead screw 282 is rotatably connected between the two cross plates 281, the cross bar 7 is fixed with the sliding block 285 at the other end, and the fixing frame 1 is provided with the sliding groove two 286 corresponding to the sliding block 285.

[0022] By adopting the above technical scheme, the rotating lead screw 282 can drive the lifting plate 283 to move in the sliding groove one 284, the lifting plate 283 drives the horizontal rod 7 to lift, and the sliding block 285 at the other end of the horizontal rod 7 moves in the sliding groove two 286, the lifting of the horizontal rod 7 can drive the cutter 6 to lift, the height of the horizontal rod 7 can be adjusted by arranging the lifting assembly 28, so that the feed amount of the cutter 6 is adjusted, and when the PET film on the film roll 4 is less, the cutter 6 cannot touch the PET film to slit it.

[0023] Further in the application, the lower end of the limiting roller 27 is higher than the lower end of the cutter 6, one end of the folding rod 23 protrudes from the side of the fixed cylinder 22, and the fixed cylinder 22 and the sliding sleeve 21 are both provided with sliding holes corresponding to the folding rod 23.

[0024] By adopting the above technical scheme, the lower end of the limiting roller 27 is higher than the lower end of the cutter 6, which avoids that the limiting roller 27 blocks the PET film to cause the cutter 6 to be unable to slit, one end of the folding rod 23 protrudes from the side of the fixed cylinder 22, which facilitates pulling the folding rod 23, and the folding rod 23 can slide in the fixed cylinder 22 and the sliding sleeve 21.

[0025] Further in the application, a bearing rotating seat is arranged between the lead screw 282 and the horizontal plate 281, and a threaded hole corresponding to the lead screw 282 is arranged in the lifting plate 283.

[0026] By adopting the above technical scheme, the lead screw 282 can rotate on the horizontal plate 281, and the rotation of the lead screw 282 can drive the lifting plate 283 to lift.

[0027] When this embodiment is used, when the slitting and trimming equipment for processing PET film finished products is used, the device is installed in a suitable position, the folding rod 23 is pulled to drive the limit plate 24 to slide in the fixed cylinder 22, and the spring 25 is compressed. Then, the sliding sleeve 21 can be pushed to slide on the cross bar 7. The movement of the sliding sleeve 21 drives the cutter 6 at the lower end to move. After the cutter 6 moves to the appropriate position, the folding rod 23 is released, and the spring 25 is stretched to push one end of the folding rod 23 into the corresponding card hole 29 at one end of the cross bar 7 to achieve the effect of limiting and fixing the sliding sleeve 21. After that, one end of the PET film on the film roll 4 can be pulled from the lower side of the cross bar 7 and connected to the winding mechanism. When the winding mechanism winds the PET film, the PET film is cut by a plurality of cutters 6, and the position of the cutter 6 can be adjusted by setting the adjustment component 2. The PET film can be cut into different widths by setting limit rollers 27 on both sides of the cross bar 7. The limit rollers 27 can rotate on the fixed rod 26. The limit rollers 27 can limit the PET film to prevent the PET film from being scratched after cutting. By setting a lifting component 28, the rotating screw 282 can drive the lifting plate 283 to move in the chute 1 284. The movement of the lifting plate 283 drives the cross bar 7 to rise and fall. At the same time, the slider 285 at the other end of the cross bar 7 moves in the chute 286. The lifting of the cross bar 7 can drive the cutter 6 to rise and fall. The height of the cross bar 7 can be adjusted by setting the lifting component 28, thereby adjusting the feed amount of the cutter 6 to prevent the cutter 6 from not being able to touch the PET film for cutting when the amount of PET film on the film roll 4 is small. Example

[0028] The difference between this embodiment and embodiment 1 is that: the mounting assembly 3 includes a movable plate 31, a motor 32, a limiting cylinder 33, a rotating rod 34, a rotating seat 35, a fixing bolt 36, a fixing hole 37, an electric push rod 38, a support assembly 39 and a guide column 310, wherein the limiting cylinder 33 is fixed at the position corresponding to the rotating shaft 5 at one end of the film roll 4 in the fixed frame 1, an electric push rod 38 is fixed at the front end of the fixed frame 1 at the position corresponding to the film roll 4, and the output end of the electric push rod 38 is provided with a movable plate 31, and the front end of the fixed frame 1 is fixed with a guide column 310 at the position corresponding to the movable plate 31, a motor 32 is installed at one end of the movable plate 31 at the position corresponding to the rotating shaft 5, a rotating rod 34 is provided at the output end of the motor 32, and a rotating seat 35 is fixed at the other end of the rotating rod 34, the rotating shaft 5 and the rotating seat 35 are connected by a fixing bolt 36, a fixing hole 37 corresponding to the fixing bolt 36 is opened in the rotating shaft 5 at one end of the film roll 4, and a support assembly 39 is provided at the position corresponding to the film roll 4 in the fixed frame 1.

[0029] By adopting the above technical scheme, when the film roll 4 is installed, the rotating shaft 5 at one end of the film roll 4 is inserted into the limiting cylinder 33, then the electric push rod one 38 is turned on to retract and drive the moving plate 31 to slide on the guide column 310, the moving plate 31 drives the motor 32 and the rotating rod 34 to move, the rotating seat 35 at one end of the rotating rod 34 is sleeved on the rotating shaft 5 at the other end of the film roll 4, then the fixing bolt 36 can be screwed into the fixing hole 37 of the rotating shaft 5, so as to achieve the effect of fixing between the rotating shaft 5 and the rotating seat 35, the motor 32 can drive the rotating seat 35 at one end of the rotating rod 34 to rotate, the rotating seat 35 rotates through the rotating shaft 5 to drive the film roll 4 to rotate to unwind the PET film, the rotating shaft 5 at the other end of the film roll 4 rotates in the limiting cylinder 33, by arranging the mounting assembly 3, the film roll 4 is convenient to disassemble and replace, so that after the PET film on the film roll 4 is slitting finished, the film roll 4 cannot be replaced to affect the work efficiency.

[0030] Further in the application, the supporting assembly 39 comprises the electric push rod two 391, the moving seat 392, the arc-shaped plate 393 and the ball 394, wherein the electric push rod two 391 is fixed at a position corresponding to the film roll 4 in the fixed frame 1, the moving seat 392 is arranged at the output end of the electric push rod two 391, the arc-shaped plate 393 is fixed at the upper end of the moving seat 392, and the ball 394 is arranged at the upper end of the arc-shaped plate 393.

[0031] By adopting the above technical scheme, when the film roll 4 is replaced, the film roll 4 can be placed on the arc-shaped plate 393, the electric push rod two 391 is turned on to drive the moving seat 392 and the arc-shaped plate 393 to ascend and descend, the film roll 4 is horizontally pushed to install after being lifted to a suitable height, the arc-shaped plate 393 is provided with the ball 394 at the upper end to facilitate pushing the film roll 4, and the supporting assembly 39 is arranged to support the installation of the film roll 4, so that the film roll 4 is convenient to disassemble and assemble.

[0032] Further in the application, the sliding hole corresponding to the guide column 310 is arranged at the lower side of the moving plate 31, the sliding hole is arranged at a position corresponding to the rotating rod 34 in the fixed frame 1, and the rolling groove corresponding to the ball 394 is arranged at the upper end of the arc-shaped plate 393.

[0033] By adopting the above technical scheme, the moving plate 31 can slide on the guide column 310, the rotating rod 34 can slide and rotate in the fixed frame 1, and the ball 394 can roll in the arc-shaped plate 393.

[0034] When the film roll 4 is used, the rotating shaft 5 at one end of the film roll 4 is inserted into the limiting cylinder 33 during installation, then the electric push rod one 38 is turned on to drive the moving plate 31 to slide on the guide column 310, the moving plate 31 drives the motor 32 and the rotating rod 34 to move, the rotating seat 35 at one end of the rotating rod 34 is sleeved on the rotating shaft 5 at the other end of the film roll 4, then the fixing bolt 36 can be screwed into the fixing hole 37 of the rotating shaft 5, so that the rotating shaft 5 and the rotating seat 35 are fixed, the motor 32 can drive the rotating seat 35 at one end of the rotating rod 34 to rotate, the rotating seat 35 rotates through the rotating shaft 5 to drive the film roll 4 to rotate to unwind the PET film, the rotating shaft 5 at the other end of the film roll 4 rotates in the limiting cylinder 33, the installation assembly 3 is arranged to facilitate disassembly and replacement of the film roll 4, so that the work efficiency is not affected after the PET film on the film roll 4 is slit, the support assembly 39 is arranged, the film roll 4 can be placed on the arc-shaped plates 393 when the film roll 4 is replaced, the electric push rod two 391 is turned on to drive the moving seat 392 and the arc-shaped plates 393 to ascend and descend, the film roll 4 can be horizontally pushed to install after being lifted to an appropriate height, the upper end of the arc-shaped plate 393 is provided with a plurality of ball bearings 394 to facilitate pushing the film roll 4, the support assembly 39 can support the installation of the film roll 4, and the film roll 4 is convenient to disassemble and assemble.

[0035] The motor 32 in the application is a prior art, and the selected model is 5IK120GN-CF.

[0036] The electric push rod one 38 in the application is a prior art, and the selected model is FTG50.

[0037] The electric push rod two 391 in the application is a prior art, and the selected model is SCJ40.

[0038] The working principle and use process of the present application: the cutting and edge trimming equipment for PET film finished product processing is installed at a suitable position during use, the folding rod 23 is pulled to drive the limiting plate 24 to slide in the fixed cylinder 22, the spring 25 is compressed, then the sliding sleeve 21 can be pushed to slide on the cross rod 7, the movement of the sliding sleeve 21 drives the cutter 6 at the lower end to move, the cutter 6 is loosened after moving to a suitable position, the spring 25 is stretched to push one end of the folding rod 23 into the corresponding clamping hole 29 at one end of the cross rod 7, achieving the effect of limiting and fixing the sliding sleeve 21, then one end of the PET film on the film roll 4 can be pulled from the lower side of the cross rod 7 and connected with the winding mechanism, the PET film is cut by the cutters 6 when the winding mechanism winds the PET film, the position of the cutter 6 can be adjusted by setting the adjusting assembly 2, so that the PET film can be cut into different widths, the limiting rollers 27 are arranged on both sides of the cross rod 7, the limiting rollers 27 can rotate on the fixed rod 26, the limiting rollers 27 can limit the PET film to avoid scratching the cut PET film, the lifting assembly 28 is arranged, rotating the lead screw 282 can drive the lifting plate 283 to move in the sliding groove one 284, the movement of the lifting plate 283 drives the cross rod 7 to rise and fall, at the same time, the sliding block 285 at the other end of the cross rod 7 moves in the sliding groove two 286, the cross rod 7 rising and falling can drive the cutter 6 to rise and fall, the height of the cross rod 7 can be adjusted by setting the lifting assembly 28, so that the feed amount of the cutter 6 is adjusted, avoiding the cutter 6 from not being able to touch the PET film on the film roll 4 to cut it when the amount of the PET film on the film roll 4 is small, when the film roll 4 is installed, the shaft 5 at one end of the film roll 4 is inserted into the limiting cylinder 33, then the electric push rod one 38 is turned on to shrink and drive the moving plate 31 to slide on the guide column 310, the movement of the moving plate 31 drives the motor 32 and the rotating rod 34 to move, the rotating seat 35 at one end of the rotating rod 34 is sleeved on the shaft 5 at the other end of the film roll 4, then the fixing bolt 36 is screwed into the fixing hole 37 of the shaft 5, achieving the effect of fixing between the shaft 5 and the rotating seat 35, the rotating seat 35 at one end of the rotating rod 34 is rotated by turning on the motor 32, the rotating seat 35 is rotated through the shaft 5 to drive the film roll 4 to rotate and unwind the PET film, the shaft 5 at the other end of the film roll 4 rotates in the limiting cylinder 33, the installation assembly 3 is arranged to facilitate the disassembly and replacement of the film roll 4, avoiding the film roll 4 from not being able to be replaced after the PET film on the film roll 4 is cut, affecting the work efficiency, the supporting assembly 39 is arranged, the film roll 4 can be placed on the arc-shaped plates 393 when the film roll 4 is replaced, the electric push rod two 391 is turned on to push the moving seat 392 and the arc-shaped plates 393 to rise and fall, the film roll 4 is pushed horizontally to install after being raised to a suitable height, the arc-shaped plates 393 are provided with a plurality of ball bearings 394 at the upper end to facilitate pushing the film roll 4, the film roll 4 installation can be supported by setting the supporting assembly 39, facilitating the disassembly and assembly of the film roll 4.

[0039] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A slitting and trimming device for processing PET film finished products, comprising a fixed frame (1), a film roll (4) being provided on one side of the fixed frame (1), rotating shafts (5) being fixed at both ends of the film roll (4), a cross bar (7) being provided on the side of the fixed frame (1) away from the film roll (4), and a plurality of cutters (6) being provided on the lower side of the cross bar (7), characterized in that: The film roll (4) is connected to the fixed frame (1) via a mounting assembly (3), and the cutter (6) is connected to the crossbar (7) via an adjustment assembly (2); The adjustment assembly (2) comprises a sliding sleeve (21), a fixed cylinder (22), a folding rod (23), a limiting plate (24), a spring (25) and a clamping hole (29), wherein the cutter (6) is rotatably connected and mounted on the sliding sleeve (21), a fixed cylinder (22) is fixed at one end of the sliding sleeve (21), a folding rod (23) is slidably connected in the fixed cylinder (22), a limiting plate (24) is fixed on the folding rod (23) inside the fixed cylinder (22), a spring (25) is provided on the outer side of the folding rod (23) between the limiting plate (24) and the fixed cylinder (22), and a plurality of clamping holes (29) corresponding to the folding rod (23) are provided at one end of the cross bar (7).

2. The slitting and trimming equipment for processing PET film finished products according to claim 1, characterized in that: The adjustment assembly (2) further comprises a fixed rod (26), a limiting roller (27) and a lifting assembly (28), wherein two fixed rods (26) are fixed to the lower sides of both ends of the cross rod (7), the limiting roller (27) is rotatably connected to the lower sides of the two fixed rods (26), and a lifting assembly (28) is provided between the cross rod (7) and the fixed frame (1).

3. The slitting and trimming equipment for processing PET film finished products according to claim 2, characterized in that: The lifting assembly (28) includes a transverse plate (281), a screw rod (282), a lifting plate (283), a first slide groove (284), a slider (285) and a second slide groove (286), wherein the lifting plate (283) is fixed to one end of the transverse bar (7), a first slide groove (284) corresponding to the lifting plate (283) is provided in the fixed frame (1), two transverse plates (281) are fixed at the front end of the fixed frame (1) at positions corresponding to the lifting plate (283), a screw rod (282) is rotatably connected between the two transverse plates (281), a slider (285) is fixed to the other end of the transverse bar (7), and a second slide groove (286) corresponding to the slider (285) is provided in the fixed frame (1).

4. The slitting and trimming equipment for processing PET film finished products according to claim 2, characterized in that: The lower end of the limiting roller (27) is higher than the lower end of the cutter (6), one end of the folding rod (23) protrudes from the side of the fixed cylinder (22), and a sliding hole corresponding to the folding rod (23) is provided in the fixed cylinder (22) and the sliding sleeve (21).

5. The slitting and trimming equipment for processing PET film finished products according to claim 3, characterized in that: A bearing rotating seat is provided between the screw rod (282) and the horizontal plate (281), and a threaded hole corresponding to the screw rod (282) is provided in the lifting plate (283).

6. The slitting and trimming equipment for processing PET film finished products according to claim 1, characterized in that: The mounting assembly (3) includes a movable plate (31), a motor (32), a limiting cylinder (33), a rotating rod (34), a rotating seat (35), a fixing bolt (36), a fixing hole (37), an electric push rod (38), a supporting assembly (39) and a guide column (310), wherein the limiting cylinder (33) is fixed at a position corresponding to the rotating shaft (5) at one end of the film roll (4) in the fixing frame (1), an electric push rod (38) is fixed at a position corresponding to the film roll (4) at the front end of the fixing frame (1), a movable plate (31) is provided at the output end of the electric push rod (38), and the fixing frame (1) A guide column (310) is fixed at a position corresponding to the front end of the movable plate (31), a motor (32) is installed at a position corresponding to the rotating shaft (5) at one end of the movable plate (31), a rotating rod (34) is provided at the output end of the motor (32), a rotating seat (35) is fixed at the other end of the rotating rod (34), the rotating shaft (5) and the rotating seat (35) are connected by a fixing bolt (36), a fixing hole (37) corresponding to the fixing bolt (36) is opened in the rotating shaft (5) at one end of the film roll (4), and a support assembly (39) is provided at a position corresponding to the film roll (4) in the fixed frame (1).

7. The slitting and trimming equipment for processing PET film finished products according to claim 6, characterized in that: The support assembly (39) includes an electric push rod 2 (391), a movable seat (392), an arc plate (393) and a ball (394), wherein the electric push rod 2 (391) is fixed at a position corresponding to the film roll (4) in the fixed frame (1), the movable seat (392) is provided at the output end of the electric push rod 2 (391), a plurality of arc plates (393) are fixed at the upper end of the movable seat (392), and a plurality of ball (394) is provided at the upper end of the arc plate (393).

8. The slitting and trimming equipment for processing PET film finished products according to claim 7, characterized in that: A sliding hole corresponding to the guide column (310) is provided on the lower side of the movable plate (31), a sliding hole is provided at a position corresponding to the rotating rod (34) in the fixed frame (1), and a rolling groove corresponding to the ball (394) is provided on the upper end of the arc plate (393).

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