Hobbing device for double-layer plastic film
By designing a double-layer plastic film rolling cutting device with a pushing structure and a spring mechanism, the problem of scraps not falling off during the film cutting process is solved, and efficient film cutting and complete collection of scraps are achieved, which improves the yield rate and reduces waste.
Patent Information
- Application Number
- CN202422207341.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-09
AI Technical Summary
During the production process of double-layer plastic film, due to the uneven thickness of the plastic film, there are thin wires on the scraps of the film during the cutting process, which cannot fall off, resulting in waste.
A rolling cutting device for double-layer plastic film is designed to cut the film through the first motor and use the pushing structure and spring mechanism to push the cut film to remove the scrap material to prevent it from being wound on the winding shaft.
It effectively improves the yield rate, reduces the waste of film, and ensures the complete collection and treatment of scraps.
Smart Images
Figure CN223013347U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rotary cutting devices, in particular to a rotary cutting device for double-layer plastic films. Background Technique
[0002] As is well known, a double-layer plastic film is a double-layer film with one side open, which is mainly made of plastic. It is an essential item in people's daily life. People often use it to pack various items. Because of its low price, extremely light weight, large capacity, and convenient storage, it is widely used in various fields of people's production and life. During the production process of the double-layer plastic film, different patterns are set on the rotary cutting shaft as needed to cut and separate it. The cut film is collected, and the remaining scraps will be collected through a winding shaft for overall treatment.
[0003] However, when the current device cuts the film through the rotary cutting shaft, sometimes due to the uneven thickness of the plastic film, a few parts of the cut film will have filaments on the scraps during the cutting process, making it impossible to fall off and causing waste.
[0004] Therefore, a rotary cutting device for double-layer plastic films is now developed to solve the above problems. Content of the Utility Model
[0005] (1) Technical Problems to be Solved
[0006] Aiming at the deficiencies of the prior art, the utility model provides a rotary cutting device for double-layer plastic films, which solves the problems mentioned in the above background technique.
[0007] (2) Technical Solutions
[0008] To achieve the above object, the utility model provides the following technical solution: A rotary cutting device for double-layer plastic films includes a machine body. A placement plate is fixedly connected to the bottom of one side of the machine body. Two support columns are fixedly connected to the end of the top of the placement plate far from the machine body. A winding shaft is rotatably connected to the two support columns. Two first fixing frames are installed on the upper parts of both sides of the machine body. A film guiding shaft is rotatably connected between the two first fixing frames. A first motor is installed on the outer wall of the machine body. A rotating shaft is installed on the motor. A rotary cutting shaft is installed on the rotating shaft. And the rotary cutting shaft is fixed to the top of the machine body through two second fixing frames. A belt is installed on the winding shaft and the rotating shaft. A connecting plate is fixedly connected to the top of each support column and the top of the machine body. A pushing structure is fixedly installed on the top of the two connecting plates.
[0009] Further, the pushing structure includes a rotating box. A second motor is installed on one side of the rotating box. A rotating block is installed on the second motor and is placed in the rotating box. A push plate is installed in the middle of the rotating box. A push rod is fixedly connected to the bottom of the push plate. The push rod is slidably connected to the rotating box. A spring is installed between the bottom of the push plate and the inner bottom of the rotating box.
[0010] Further, a collection box is placed on the top of the placement plate.
[0011] Further, the rotating block is oval.
[0012] Further, cutting knives are engraved on the rotary cutting shaft.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the present utility model provides a rotary cutting device for double-layer plastic films, which has the following beneficial effects:
[0015] In this rotary cutting device for double-layer plastic films, the first motor rotates the winding shaft through a belt, drives the rotary cutting shaft to cut the film, and winds and collects the scraps of the film. During this process, the pushing structure is used to push the film that has been cut but is still connected to the scraps through the push rod, preventing the film from being wound on the winding shaft together with the scraps, improving the yield rate and avoiding waste of the film. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is an isometric structural schematic diagram of the present utility model;
[0017] Figure 2 is a front view structural schematic diagram of the present utility model.
[0018] In the figure: 1, machine body; 2, support column; 3, winding shaft; 4, first fixing frame; 5, film guiding shaft; 6, first motor; 7, rotary cutting shaft; 8, belt; 9, connecting plate; 10, rotating box; 11, second motor; 12, rotating block; 13, push plate; 14, spring; 15, push rod; 16, collection box; 17, placement plate; 18, second fixing frame. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figure 1-2The utility model discloses a double-layer plastic film rolling cutting device, comprising a body 1, a placement plate 17 is fixedly connected to the bottom of one side of the body 1, two support columns 2 are fixedly connected to the end of the top of the placement plate 17 away from the body 1, a winding shaft 3 is rotatably connected to the two support columns 2, two first fixing frames 4 are installed on the upper parts of both sides of the body 1, a film guide shaft 5 is rotatably connected between the two first fixing frames 4, a first motor 6 is installed on the outer wall of the body 1, a rotating shaft is installed on the motor, a rolling cutting shaft 7 is installed on the rotating shaft, and the rolling cutting shaft 7 is fixed to the top of the body 1 through two second fixing frames 18, a belt 8 is installed on the winding shaft 3 and the rotating shaft, a connecting plate 9 is fixedly connected to the top of each support column 2 and the top of the body 1, and a pushing structure is fixedly installed on the top of the two connecting plates 9, and the film connected to the scrap is pushed off by the pushing structure.
[0021] The pushing structure includes a rotating box 10, a second motor 11 is installed on one side of the rotating box 10, a rotating block 12 is installed on the second motor 11, and the rotating block 12 is placed in the rotating box 10, a push plate 13 is installed in the middle of the rotating box 10, a push rod 15 is fixedly connected to the bottom of the push plate 13, the push rod 15 is connected to the rotating box 10 by sliding, and a spring 14 is installed at the bottom of the push plate 13 and the bottom of the rotating box 10.
[0022] A collecting box 16 is placed on the top of the placing plate 17 , and the cutting film is collected as a whole through the collecting box 16 .
[0023] The rotating block 12 is elliptical in shape and is driven to rotate by the second motor 11 . The spring 14 can be used to convert back and forth between compression and recovery deformation to drive the push rod 15 to slide up and down.
[0024] A cutting knife is engraved on the rolling shaft 7, and the cutting knife is provided with a plurality of patterns, and the film can be cut into different patterns according to needs.
[0025] To sum up, when the double-layer plastic film rolling and cutting device is in use, the film passes through the bottom of the film guide shaft 5 at one end, then along the top of the machine body 1, through the bottom of the film guide shaft 5 at the other end, and is wound on the winding shaft 3, and then the first motor 6 and the second motor 11 are started. The first motor 6 drives the rolling and cutting shaft 7 to cut the film, and at the same time drives the winding shaft 3 to wind the film scraps through the belt 8. During this process, the second motor 11 drives the rotating block 12 to rotate, and the spring 14 can be used to compress and transform back and forth to restore the deformation, driving the push rod 15 to slide up and down, pushing the cut film connected to the scraps, so that it falls off into the collection box 16.
[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A double-layer plastic film rolling cutting device, comprising a body (1), characterized in that: The bottom of one side of the machine body (1) is fixedly connected to a placement plate (17), and the top of the placement plate (17) is fixedly connected to one end away from the machine body (1) with two support columns (2), and the two support columns (2) are rotatably connected to a winding shaft (3). The upper parts of both sides of the machine body (1) are equipped with two first fixed frames (4), and a film guide shaft (5) is rotatably connected between the two first fixed frames (4). The outer wall of the machine body (1) is equipped with a first motor (6), and a rotating shaft is installed on the motor, and a rolling shaft (7) is installed on the rotating shaft, and the rolling shaft (7) is fixed to the top of the machine body (1) through two second fixed frames (18). Belts (8) are installed on the winding shaft (3) and the rotating shaft. The top of each support column (2) and the top of the machine body (1) are fixedly connected to a connecting plate (9), and the tops of the two connecting plates (9) are fixedly equipped with a pushing structure.
2. A double-layer plastic film rolling cutting device according to claim 1, characterized in that: The pushing structure comprises a rotating box (10), a second motor (11) is installed on one side of the rotating box (10), a rotating block (12) is installed on the second motor (11), and the rotating block (12) is placed in the rotating box (10), a push plate (13) is installed in the middle of the rotating box (10), a push rod (15) is fixedly connected to the bottom of the push plate (13), the push rod (15) is connected to the rotating box (10) by sliding, and a spring (14) is installed at the bottom of the push plate (13) and the bottom of the rotating box (10).
3. The double-layer plastic film rolling cutting device according to claim 1, characterized in that: A collecting box (16) is placed on the top of the placement plate (17).
4. A double-layer plastic film rolling cutting device according to claim 2, characterized in that: The rotating block (12) is oval in shape.
5. The double-layer plastic film rolling cutting device according to claim 1, characterized in that: The rolling shaft (7) is engraved with a cutting knife.