Edge cutting device for PVC (polyvinyl chloride) film
By designing a PVC film edge-cutting device that combines a frustum-shaped auxiliary material roller and a guide roller, the problem of low material utilization in existing devices has been solved, and the automatic collection and efficient recycling of edge-cut materials has been achieved, thereby improving processing efficiency.
Patent Information
- Application Number
- CN202421213524.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Existing PVC film edge-cutting devices cannot effectively improve material utilization and processing efficiency, and edge-cutting waste requires additional processing after direct collection.
A PVC film edge-cutting device including a main material roller and a secondary material roller was designed. The secondary material roller is shaped like a frustum and works in conjunction with a guide roller through a cutting mechanism, supplemented by a torsion spring and a suction device, to achieve automatic collection and recycling of the cut material.
It improves material utilization and trimming efficiency, and enables automatic collection and subsequent recycling of trimmed material.
Smart Images
Figure CN222345774U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of PVC film processing and relates to a PVC film trimming device. Background Art
[0002] PVC film trimming usually refers to the processing of the edge of the film during the production of PVC film to ensure the quality and appearance of the product. In the production process of PVC film, the existing PVC film trimming device usually collects the waste generated after trimming directly through a collection box and then transports it to subsequent recycling and treatment. At this time, the PVC trimming waste can still be melted and processed into PVC film. Therefore, in order to improve the overall material utilization and processing efficiency, it is necessary to design a PVC film trimming device. Summary of the invention
[0003] The utility model aims to solve the above problems in the prior art and proposes a PVC film trimming device.
[0004] The purpose of the utility model can be achieved through the following technical solutions: a PVC film trimming device, comprising a main material roller, which is horizontally installed on a frame, and is characterized in that auxiliary material rollers are arranged at both ends of the main material roller, the auxiliary material roller has a truncated cone shape, the auxiliary material roller is coaxially arranged with the main material roller, and a certain gap is arranged between the auxiliary material roller and the main material roller, a cutting mechanism is installed above the gap through a mounting frame 1, the mounting frame 1 is connected to an external frame, a mounting frame 2 is arranged at the guide position of the auxiliary material roller, a guide roller 1 is rotatably installed on the top of the mounting frame 2, the guide roller 1 also has a truncated cone shape and is in the opposite direction to the auxiliary material roller, and a guide roller 2 is rotatably installed below the guide roller 1.
[0005] The working principle of the utility model is as follows: the calendered PVC film material is conveyed to the main material roller by an external conveying roller, the excess parts on both sides of the film material are separated from the main body of the film material by a cutting mechanism, and then output through the auxiliary material roller, and at the same time the frustum-shaped auxiliary material roller can provide a pulling force to assist the trimming separation of the film material; the second mounting frame is installed at a suitable position, the trimming excess material output by the auxiliary material roller is received by the first material guide roller and the position is adjusted, and then it is transported to subsequent recycling processing through the second material guide roller.
[0006] The cutting mechanism comprises a mounting member, which is mounted on a mounting frame. A cutter is rotatably mounted in the mounting member via a rotating shaft, and a torsion spring is mounted between the cutter and the rotating shaft.
[0007] With the above structure, the cutter can achieve adaptive cutting through the torsion spring.
[0008] The auxiliary material roller is connected to both ends of the main material roller through threads.
[0009] By adopting the above structure, it is convenient to replace auxiliary material rollers of different sizes according to the material of the fabric, so as to obtain different pulling forces.
[0010] A cutter limiting area is arranged on the mounting member, and the maximum rotation angle of the cutter is 90°.
[0011] A collecting port for collecting trimming debris is provided below the gap between the auxiliary material roller and the main material roller, and an air suction device is installed in the collecting port.
[0012] With the above structure, the trimming scraps are collected with the assistance of the air suction device.
[0013] Compared with the prior art, the PVC film trimming device has the following advantages: the utility model provides a truncated cone-shaped auxiliary material roller structure, which can not only assist in trimming, but also roll up and output the trimmed material for subsequent recycling processing, thereby improving the overall material utilization and trimming processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model.
[0015] Figure 2 It is a structural schematic diagram of the cutting mechanism in the utility model.
[0016] In the figure, 1, main material roller; 2, auxiliary material roller; 3, mounting frame 1; 4, mounting frame 2; 5, material guide roller 1; 6, material guide roller 2; 7, mounting part; 8, cutter; 9, torsion spring; 10, collecting port. DETAILED DESCRIPTION
[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0018] like Figure 1-2 As shown, the PVC film trimming device comprises a main material roller 1, which is horizontally mounted on a frame, with auxiliary material rollers 2 arranged at both ends of the main material roller 1, the auxiliary material roller 2 having a truncated cone shape, the auxiliary material roller 2 being coaxially arranged with the main material roller 1, and a certain gap being arranged between the auxiliary material roller 2 and the main material roller 1, a cutting mechanism being mounted above the gap via a mounting frame 3, the mounting frame 3 being connected to an external frame, a mounting frame 2 4 being arranged at a guide position of the auxiliary material roller 2, a material guide roller 5 being rotatably mounted on the top of the mounting frame 2 4, the material guide roller 5 also having a truncated cone shape and being in the opposite direction to the auxiliary material roller 2, a material guide roller 2 6 being rotatably mounted below the material guide roller 5.
[0019] In the utility model, generally only one end of the main material roller 1 is provided with the auxiliary material roller 2, and a group of the main material roller 1 and the auxiliary material roller 2 are provided behind the main material roller 1 to realize the single-side cutting of the film material in sequence, so that PVC film materials of different widths can be cut.
[0020] The cutting mechanism comprises a mounting member 7, which is mounted on a mounting frame. A cutter 8 is rotatably mounted in the mounting member 7 via a rotating shaft, and a torsion spring 9 is installed between the cutter 8 and the rotating shaft.
[0021] The torsion spring 9 in the utility model adopts the existing product.
[0022] The cutter 8 in the utility model adopts the existing arc cutter 8 for film cutting.
[0023] The auxiliary material roller 2 is connected to both ends of the main material roller 1 through threads.
[0024] A limit area for the cutter 8 is provided on the mounting member 7, and the maximum rotation angle of the cutter 8 is 90°.
[0025] A collecting port 10 for collecting trimming debris is provided below the gap between the auxiliary material roller 2 and the main material roller 1 , and a suction device is installed in the collecting port 10 .
[0026] The air suction device in the utility model adopts the existing product.
[0027] The working principle of the utility model is as follows: the calendered PVC film material is conveyed to the main material roller 1 by the external conveying roller, the excess parts on both sides of the film material are separated from the main body of the film material by the cutting mechanism, and then outputted by the auxiliary material roller 2, while the truncated cone-shaped auxiliary material roller 2 can provide a pulling force to assist the trimming separation of the film material; the mounting frame 2 4 is installed at a suitable position, the trimming surplus material outputted by the auxiliary material roller 2 is received by the guide roller 1 5 and after the position is adjusted, it is transported to the subsequent recycling process by the guide roller 2 6.
[0028] In the utility model, each mechanism is connected and driven by the existing technology, and synchronous control is achieved through the control panel.
[0029] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.
[0030] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A PVC film trimming device, comprising a main material roller (1), wherein the main material roller (1) is horizontally mounted on a frame, and characterized in that: Auxiliary material rollers (2) are arranged at both ends of the main material roller (1), and the auxiliary material roller (2) has a truncated cone shape. The auxiliary material roller (2) is coaxially arranged with the main material roller (1), and a certain gap is arranged between the auxiliary material roller (2) and the main material roller (1). A cutting mechanism is installed above the gap through a mounting frame (3), and the mounting frame (3) is connected to an external frame. A mounting frame (4) is arranged at the guide position of the auxiliary material roller (2), and a guide roller (5) is rotatably installed on the top of the mounting frame (4). The guide roller (5) is also truncated cone-shaped and is in the opposite direction to the auxiliary material roller (2). A guide roller (6) is rotatably installed below the guide roller (5).
2. A PVC film trimming device according to claim 1, characterized in that: The cutting mechanism comprises a mounting member (7), wherein the mounting member (7) is mounted on a mounting frame, a cutter (8) is rotatably mounted in the mounting member (7) via a rotating shaft, and a torsion spring (9) is mounted between the cutter (8) and the rotating shaft.
3. A PVC film trimming device according to claim 1, characterized in that: The auxiliary material roller (2) is connected to both ends of the main material roller (1) via threads.
4. A PVC film trimming device according to claim 2, characterized in that: A cutter (8) limiting area is provided on the mounting member (7), and the maximum rotation angle of the cutter (8) is 90°.
5. A PVC film trimming device according to claim 1, characterized in that: A collection port (10) for collecting trimming debris is provided below the gap between the auxiliary material roller (2) and the main material roller (1), and an air suction device is installed in the collection port (10).