Telescopic PVC (polyvinyl chloride) film edge trimmer

Abstract

The utility model discloses a nesting type PVC (polyvinyl chloride) film edge trimmer, which relates to the technical field of PVC film processing and comprises an operation table, a film body is wound on the right side of the top of the operation table through a winding support, a mounting frame is arranged on the left side of the top of the operation table, and a cutting disc is mounted on the mounting frame; a winding assembly is arranged on the top of the operation table. According to the nesting type PVC film edge trimmer, the winding assembly is arranged, a first motor is used for driving a rotating shaft to rotate, a winding disc is made to rotate, a film body can be wound on the outer sides of two moving pieces, then cutting is conducted through a cutting disc, and the wound film body can be cut into a plurality of pieces at a time along the edge; and through cooperation of a second motor and a two-way lead screw, the edge cutting length of the thin film body can be adjusted, and the using flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC film processing, in particular to a telescopic PVC film trimming machine. Background Art

[0002] PVC film is a commonly used vacuum blister film, which can be used as the surface packaging of various panels. It is widely used in many industries such as building materials, packaging, and medicine. It has strong heat resistance, toughness, and ductility. In the production process of PVC film, a trimming machine is needed to cut the edge of the PVC film.

[0003] When using existing devices to cut PVC films, due to the different sizes of existing films, it is not suitable for cutting films of different sizes;

[0004] In order to overcome the above defects, the prior art (Chinese patent with application number 202223094588.0 and application date 2022-11-21) is a trimming and material removal device for PVC film manufacturing. By adjusting the cutting structure, when trimming the PVC film, the first servo motor is started to rotate the special-shaped connecting rod and the connecting column. Due to the limitation of the special-shaped hollow connecting plate by the special-shaped limit block, the connecting column will move the special-shaped hollow connecting plate, thereby moving the rack, and the rack continues to drive the transmission gear to rotate, so that the other rack rotates in the opposite direction, and at the same time drives the special-shaped push rod to shrink and expand, so that the cutting disk shrinks and expands, thereby achieving the effect of adjusting the size of the cut film;

[0005] Although the above technology can be applied to cutting films of different sizes, in actual working process, the device can only cut one film at a time, resulting in low cutting efficiency and low practicality of the device.

[0006] In view of the above problems, it is urgent to carry out innovative design based on the original equipment. Therefore, we proposed a nested PVC film trimming machine that can solve the above problems well. Utility Model Content

[0007] The utility model aims to provide a telescopic PVC film trimming machine to solve the problem that the existing device proposed in the above background technology can only cut one film in one cutting operation, resulting in low trimming efficiency and poor practicability of the device.

[0008] To achieve the above object, the utility model provides the following technical solution: a telescopic PVC film trimming machine, comprising an operating table, a film body is rolled up on the top right side of the operating table through a rolling bracket, a mounting frame is provided on the top left side of the operating table, and a cutting disc is installed on the mounting frame;

[0009] A winding assembly is provided on the top of the operating table, and the winding assembly includes a first motor fixedly connected to the rear end of the operating table through a support frame, an output shaft at one end of the first motor is fixedly connected to a rotating shaft, and an end of the rotating shaft is fixedly connected to a winding disk, sliding cavities are provided inside the two sides of the winding disk, and a moving sheet is slidably connected to the inner side of the sliding cavity, and a second motor is fixedly installed at the front end of the operating table through the support frame, and an output shaft at one side of the second motor is fixedly connected to a bidirectional screw rod, and a convex plate extends from the front end of the two moving sheets to penetrate the outer side of the winding disk, and the convex plate is threadedly connected to the outer side of the bidirectional screw rod;

[0010] By setting up a winding component, the film body is first pulled out and fixed in the middle of the winding disk, and then the first motor is started to drive the rotating shaft to rotate, and the rotating shaft continues to drive the winding disk to rotate, and the rotating winding disk will wind the film body around the outside of the two moving pieces. After winding several circles, the cutting disk is moved to the top of the middle of the winding disk and cut downward, so that the wound film body can be cut into several pieces at one time along the edge, thereby greatly improving the trimming efficiency and enhancing the practicality of the device. By starting the second motor to drive the bidirectional screw to rotate, the bidirectional screw continues to drive the two outer moving pieces to move synchronously along the sliding cavity, so that the spacing between the two moving pieces can be adjusted, so that the length of one circle of the film body wrapped on the outside is changed, thereby adjusting the trimming length of the film body, increasing the flexibility of the device.

[0011] Preferably, a trimming assembly is provided on the top of the operating table, and the trimming assembly includes two slide rails opened on the left side of the top of the operating table, and the bottoms of both ends of the mounting frame slide on the inner sides of the corresponding slide rails, and an electric push rod is installed inside the operating table, and the rod body of the electric push rod is fixedly connected to the mounting frame inside the slide rail; a cylinder is installed on the top of the mounting frame, and a driving mechanism is installed at the bottom of the cylinder, and the driving mechanism drives the cutting disk to move back and forth. After the winding assembly wraps the film body, the electric push rod is started to shorten the rod body and drive the mounting frame to move to the right along the slide rail. When the cutting disk on the mounting frame moves to above the middle of the winding disk, the cylinder is started to drive the driving mechanism and the cutting disk to move downward, and then the driving mechanism is started to drive the rotating cutting disk to move back and forth along the center line of the winding disk to cut the wound film body in half to ensure the trimming effect.

[0012] Preferably, the winding disk is an I-shaped structure as a whole, and the two sides of the movable sheet are arcuate structures. Through the above structure, the cross bars at both ends of the winding disk can regularize the front and rear ends of the film body when the film body is wrapped around the outside of the movable sheet, and the arc surfaces on both sides of the movable sheet can protect the inner film body to prevent scratches.

[0013] Preferably, a trimming groove for accommodating a cutting disc for moving trimming is provided in the middle of the winding disc.

[0014] Preferably, the interior of the winding disk is slidably connected with symmetrically distributed clamping plates on both sides of the cutting groove, and the side where the two clamping plates are close to each other is formed into an arc surface. A number of springs are fixedly connected between the two clamping plates and the inner wall of the winding disk. When in use, the end of the film body is clamped between the two clamping plates along the arc surface, and the two clamping plates are pushed tightly against each other by a number of springs to fix the end of the film body for easy winding, and the arc surface of the two clamping plates can also be used for the rotating cutting disk to separate the two when cutting downwards, so as to achieve smooth cutting.

[0015] Preferably, the second motor and the bidirectional screw are both located below the winding disk; the front end wall of the winding disk is fixedly connected with a stabilizing shaft, and the stabilizing shaft is rotatably connected to a support seat at the top of the front end of the operating table; the second motor and the bidirectional screw are arranged at positions to leave space for the installation of the stabilizing shaft, and the stabilizing shaft can ensure the stability of the first motor driving the rotating shaft to drive the winding disk and the moving sheet to rotate and wind the film body.

[0016] Preferably, a receiving groove is provided on the top of the operating table, and the receiving groove is an arc-shaped groove, and its arc edge has the rotation axis of the rotating shaft as the center and half the length of the winding disk as the radius, so as to accommodate the rotation of the winding disk.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the telescopic PVC film trimming machine, by setting a winding assembly, uses the first motor to drive the rotating shaft to rotate, so that the winding disk rotates, and the film body can be wound around the outside of the two moving sheets, and then cut by the cutting disk, so that the wound film body can be cut into several pieces along the edge at one time, thereby improving the trimming efficiency, and the practicality of the device is enhanced, and through the cooperation of the second motor and the bidirectional screw rod, the trimming length of the film body can be adjusted, which increases the flexibility of the device. The specific contents are as follows:

[0018] (1) By setting up a winding assembly, the film body is first pulled out and fixed in the middle of the winding disk, and then the first motor is started to drive the rotating shaft to rotate, and the rotating shaft continues to drive the winding disk to rotate. The rotating winding disk will wind the film body around the outside of the two movable sheets. After winding several circles, the cutting disk is moved to the top of the middle of the winding disk and cut downwards, so that the wound film body can be cut into several pieces along the edge at one time, thereby greatly improving the cutting efficiency and enhancing the practicality of the device;

[0019] (2) Through the cooperation of the second motor and the bidirectional screw rod, the distance between the two moving sheets can be adjusted, so that the length of a circle of the film body wrapped on the outside can be changed, thereby adjusting the cutting length of the film body, thereby increasing the flexibility of the device;

[0020] (3) By setting up a trimming assembly, after the winding assembly winds the film body, the electric push rod starts and drives the mounting frame to move to the right. When the cutting disc moves to the top of the middle of the winding disc, the cylinder drives the driving mechanism and the cutting disc to move downward, and then the driving mechanism drives the rotating cutting disc to move forward and backward along the center line of the winding disc to cut the wound film body in half to ensure the trimming effect;

[0021] (4) Through the trimming groove opened in the middle of the winding disk, and the clamping plates and a plurality of springs symmetrically arranged on both sides of the trimming groove, when in use, the end of the film body is clamped between the two clamping plates, and the two clamping plates are pushed tightly against each other by the spring to fix the end of the film body for easy winding, and the arc surface of the two clamping plates can be used to separate the two when the cutting disk trims downward, so as to achieve smooth cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the utility model as a whole;

[0023] Figure 2 It is a schematic diagram of the overall structure of the utility model from top view;

[0024] Figure 3 It is a schematic diagram of the cutaway structure of the utility model;

[0025] Figure 4 This is a structural schematic diagram of the operating table of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the winding assembly of the utility model;

[0027] Figure 6 It is a schematic diagram of the exploded structure of the winding disc, the moving sheet and the clamping plate of the utility model.

[0028] In the figure: 1. operating table; 2. winding bracket; 3. film body; 4. mounting frame; 5. cylinder; 6. driving mechanism; 7. cutting disk; 8. first motor; 9. rotating shaft; 10. winding disk; 11. sliding cavity; 12. moving sheet; 13. second motor; 14. bidirectional screw; 15. trimming groove; 16. clamping plate; 17. spring; 18. slide rail; 19. electric push rod; 20. receiving groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1: Please refer to Figure 1-Figure 6 The utility model provides the following technical solutions: a telescopic PVC film trimming machine, comprising an operating table 1, a film body 3 is rolled up on the top right side of the operating table 1 through a rolling bracket 2, a mounting frame 4 is arranged on the top left side of the operating table 1, and a cutting disc 7 is installed on the mounting frame 4;

[0031] A winding assembly is provided on the top of the operating table 1, and the winding assembly includes a first motor 8 fixedly connected to the rear end of the operating table 1 through a support frame, one end of the output shaft of the first motor 8 is fixedly connected to a rotating shaft 9, and the end of the rotating shaft 9 is fixedly connected to a winding disk 10. A receiving groove 20 is provided on the top of the operating table 1. The receiving groove 20 is an arc groove, and its arc edge takes the rotation axis of the rotating shaft 9 as the center of the circle and half the length of the winding disk 10 as the radius, so as to accommodate the rotation of the winding disk 10. Sliding cavities 11 are provided inside the two sides of the winding disk 10, and a moving sheet 12 is slidably connected to the inner side of the sliding cavity 11. A second motor 13 is fixedly installed at the front end of the operating table 1 through a support frame. One side output shaft of the second motor 13 is fixedly connected with a bidirectional screw 14, and the front ends of the two moving sheets 12 extend out of a convex plate that penetrates the outside of the winding disk 10, and the convex plate is threadedly connected to the outside of the bidirectional screw 14, wherein the second motor 13 and the bidirectional screw 14 are both located below the winding disk 10, and the front end wall of the winding disk 10 is fixedly connected with a stabilizing shaft, which is rotatably connected to the support seat at the top of the front end of the operating table 1, and the second motor 13 and the bidirectional screw 14 are arranged at positions that leave space for the installation of the stabilizing shaft, and the stabilizing shaft can ensure the stability of the first motor 8 driving the rotating shaft 9 to drive the winding disk 10 and the moving sheet 12 to rotate and wind the film body 3;

[0032] By setting up a winding component, the film body 3 is first pulled out and fixed in the middle of the winding disk 10, and then the first motor 8 is started to drive the rotating shaft 9 to rotate, and the rotating shaft 9 continues to drive the winding disk 10 to rotate, and the rotating winding disk 10 will wind the film body 3 around the outside of the two moving sheets 12, and the winding disk 10 is an "I"-shaped structure as a whole, and the two sides of the moving sheet 12 are arc-shaped structures. Through the above structure, the cross bars at both ends of the winding disk 10 can be used to regularize the front and rear ends of the film body 3 when the film body 3 is wound around the outside of the moving sheet 12, and the arc surfaces on both sides of the moving sheet 12 can protect the inner film body 3 from scratches. After winding several circles, the cutting disk 7 is moved to the top of the middle of the winding disk 10 and cut downwards, so that the wound film body 3 can be cut into several pieces along the edge at one time, thereby greatly improving the trimming efficiency and enhancing the practicability of the device. By starting the second motor 13 to drive the bidirectional screw rod 14 to rotate, the bidirectional screw rod 14 continues to drive the two outer moving pieces 12 to move synchronously along the sliding cavity 11, and the spacing between the two moving pieces 12 can be adjusted, so that the length of one circle of the film body 3 wound on the outside is changed, thereby adjusting the trimming length of the film body 3, and increasing the flexibility of the device.

[0033] Embodiment 2: On the basis of embodiment 1, a trimming assembly is provided on the top of the operating table 1, and the trimming assembly includes two slide rails 18 opened on the left side of the top of the operating table 1, and the bottoms of the two ends of the mounting frame 4 slide on the inner sides of the corresponding slide rails 18. An electric push rod 19 is installed inside the operating table 1, and the rod body of the electric push rod 19 is fixedly connected with the mounting frame 4 inside the slide rail 18. A cylinder 5 is installed on the top of the mounting frame 4, and a driving mechanism 6 is installed at the bottom of the cylinder 5. The driving mechanism 6 drives the cutting disk 7 to move forward and backward. After the winding assembly winds the film body 3, the electric push rod 19 is started to shorten the rod body and drive the mounting frame 4 to move to the right along the slide rail 18. When the cutting disk 7 on the mounting frame 4 moves to the top of the middle of the winding disk 10, the cylinder 5 is started to drive the driving mechanism 6 and the cutting disk 7 to move downward, and then the driving mechanism 6 is started to drive the rotating cutting disk 7 to move forward and backward along the center line of the winding disk 10 to cut the wound film body 3 in half to ensure the trimming effect;

[0034] In addition, a trimming groove 15 for accommodating the cutting disk 7 for mobile trimming is provided in the middle of the winding disk 10, and symmetrically distributed clamping plates 16 are slidably connected on both sides of the trimming groove 15 inside the winding disk 10, and the side where the two clamping plates 16 are close to each other is formed into an arc surface, and a number of springs 17 are fixedly connected between the two clamping plates 16 and the inner wall of the winding disk 10. When in use, the end of the film body 3 is clamped between the two clamping plates 16 along the arc surface, and the two clamping plates 16 are pushed tightly against each other by a number of springs 17, thereby fixing the end of the film body 3 for easy winding, and the arc surface of the two clamping plates 16 can also be used for the rotating cutting disk 7 to separate the two when trimming downwards, so as to achieve smooth cutting.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A telescopic PVC film trimming machine, comprising an operating table (1), a film body (3) being rolled up on the top right side of the operating table (1) via a rolling bracket (2), a mounting frame (4) being arranged on the top left side of the operating table (1), and a cutting disc (7) being mounted on the mounting frame (4); Features: A winding assembly is arranged on the top of the operating table (1), and the winding assembly comprises a first motor (8) fixedly connected to the rear end of the operating table (1) via a support frame, an output shaft at one end of the first motor (8) is fixedly connected to a rotating shaft (9), an end of the rotating shaft (9) is fixedly connected to a winding disk (10), sliding cavities (11) are arranged inside both sides of the winding disk (10), a moving sheet (12) is slidably connected inside the sliding cavity (11), a second motor (13) is fixedly installed at the front end of the operating table (1) via the support frame, an output shaft at one side of the second motor (13) is fixedly connected to a bidirectional screw rod (14), a convex plate extends from the front end of the two moving sheets (12) to penetrate the outer side of the winding disk (10), and the convex plate is threadedly connected to the outer side of the bidirectional screw rod (14).

2. The telescopic PVC film trimming machine according to claim 1, characterized in that: A trimming assembly is arranged on the top of the operating table (1), and the trimming assembly comprises two slide rails (18) opened on the left side of the top of the operating table (1). The bottoms of both ends of the mounting frame (4) slide on the inner sides of the corresponding slide rails (18). An electric push rod (19) is installed inside the operating table (1). The rod body of the electric push rod (19) is fixedly connected to the mounting frame (4) inside the slide rail (18). A cylinder (5) is installed on the top of the mounting frame (4). A driving mechanism (6) is installed on the bottom of the cylinder (5). The driving mechanism (6) drives the cutting disc (7) to move forward and backward.

3. The telescopic PVC film trimming machine according to claim 1, characterized in that: The winding disk (10) is an “I”-shaped structure as a whole, and both sides of the moving plate (12) are arc-surface structures.

4. The telescopic PVC film trimming machine according to claim 2, characterized in that: A trimming groove (15) for accommodating the cutting disc (7) for moving trimming is provided in the middle of the winding disc (10).

5. The telescopic PVC film trimming machine according to claim 4, characterized in that: The interior of the winding disk (10) is slidably connected to symmetrically distributed clamping plates (16) on both sides of the trimming groove (15); the sides of the two clamping plates (16) that are close to each other are formed into an arc surface; and a plurality of springs (17) are fixedly connected between the two clamping plates (16) and the inner wall of the winding disk (10).

6. The telescopic PVC film trimming machine according to claim 3, characterized in that: The second motor (13) and the bidirectional screw rod (14) are both located below the winding disc (10); a stabilizing shaft is fixedly connected to the front end wall of the winding disc (10); and the stabilizing shaft is rotatably connected to a support seat at the top of the front end of the operating table (1).

7. The telescopic PVC film trimming machine according to claim 6, characterized in that: The top of the operating table (1) is provided with a receiving groove (20), and the receiving groove (20) is an arc-shaped groove, and the arc edge thereof has the rotation axis of the rotating shaft (9) as the center of the circle and half the length of the winding disk (10) as the radius.

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