Cutting device for PVC film with self-adaptive elasticity
Through the design of hydraulic rod and worm gear and worm system combined with elastic components, the problem of membrane offset in PVC membrane cutting device is solved, achieving a more accurate cutting effect.
Patent Information
- Application Number
- CN202421137093.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing PVC film cutting device cannot effectively tighten the two ends of the film during the cutting process, resulting in the film being easily offset and inaccurate cutting.
A PVC membrane cutting device with adaptive elasticity is designed to drive the pressure block down and the worm gear and worm system to limit the membrane, and combine elastic components and limit blocks to ensure that the membrane remains stable during cutting. Location.
It effectively avoids the displacement and deviation of the membrane during cutting, and improves the accuracy and stability of the cutting.
Smart Images
Figure CN222290332U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC film cutting, in particular to a PVC film cutting device with adaptive elasticity. Background Art
[0002] PVC film cutting device is a kind of equipment specially used for cutting polyvinyl chloride film, which can improve production efficiency and reduce labor costs. Such devices usually consist of one or more blades, which are specially designed to apply appropriate pressure and shear force to the PVC film during the cutting process.
[0003] Most of the current PVC film cutting devices only use the pressure of the falling blade to limit the film when cutting the film, and cannot tighten the two ends of the film, which causes the film to easily deviate when cutting the film, resulting in inaccurate cutting of the film. Utility Model Content
[0004] The purpose of the utility model is to provide a PVC film cutting device with adaptive elasticity to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a cutting device for a PVC film with adaptive elasticity, comprising an operating table, and also comprising:
[0006] A fixed block is arranged outside the operating table, a pressing block for limiting the membrane is arranged inside the fixed block, and a first hydraulic rod is arranged outside the pressing block;
[0007] A bracket is arranged on the outside of the operating table, a second hydraulic rod is arranged on the outside of the bracket, a connecting block is arranged on the outside of the second hydraulic rod, a limit block for pressing the membrane is arranged on the outside of the connecting block, an elastic component for buffering the limit block is arranged on the outside of the connecting block, and a holding piece for pressing and limiting the membrane is arranged on the outside of the operating table.
[0008] Preferably, the elastic component comprises a connecting rod sliding inside the connecting block, and a spring is arranged on the outer side of the connecting rod.
[0009] Preferably, the outer sides of the connecting block and the limiting block are both rotatably connected to support rods, and the two support rods are rotatably connected to each other.
[0010] Preferably, the pressing member comprises a pressing rod rotatably connected to the outer side of the bracket, a worm gear is arranged on the outer side of the pressing rod, and a worm is arranged on the outer side of the worm gear.
[0011] Preferably, a pressure plate is provided on the outer side of the connecting block, a cutting piece is provided on the outer side of the pressure plate, the cutting piece comprises a fixing rod fixed inside the pressure plate, a moving wheel is provided on the outer side of the fixing rod, and a cutting knife is provided at the bottom of the moving wheel.
[0012] Preferably, a transmission member is provided on the outer side of the moving wheel.
[0013] Preferably, a fixing frame is fixedly connected to the outer side of the operating table, two opposite clamping tables are arranged on the outer side of the fixing frame, and a return spring is arranged on the outer side of the left clamping table.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] The utility model drives the pressure block downward to contact the film through the first hydraulic rod, limits the end of the film, and at the same time rotates the worm to drive the worm wheel to rotate. The worm wheel is fixed on the outside of the pressure rod, thereby driving the pressure rod to rotate, so that the pressure rod is pressed on the outside of the film to limit the film. The connecting block drives the limit block and the pressure plate to move downward, and the part of the film that needs to be cut is pressed and limited again, which can effectively avoid the displacement and deviation of the film during cutting. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic diagram of the structure of a cutting device for a PVC film with adaptive elasticity provided by the utility model;
[0017] Figure 2 A schematic diagram of the structure of the connecting block and the limiting block provided by the utility model;
[0018] Figure 3 A schematic diagram of the pressing plate structure provided by the utility model;
[0019] Figure 4 A schematic diagram of the structure of the fixed rod and the movable wheel provided by the utility model;
[0020] Figure 5 A schematic diagram of the bottom structure of the pressing plate provided by the utility model;
[0021] Figure 6 A schematic diagram of the structure of the pressing member provided by the utility model;
[0022] Figure 7 This is a schematic diagram of the compression block structure provided by the utility model.
[0023] In the figure: 1. operating table; 2. fixed block; 3. first hydraulic rod; 4. pressure block; 5. bracket; 6. second hydraulic rod; 7. connecting block; 8. elastic component; 801. connecting rod; 802. spring; 9. limit block; 10. pressure plate; 11. cutting piece; 111. fixed rod; 112. moving wheel; 113. cutting knife; 12. holding piece; 121. pressure rod; 122. worm wheel; 123. worm; 13. clamping table; 14. return spring; 15. fixed frame; 16. support rod; 17. transmission part. DETAILED DESCRIPTION
[0024] 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.
[0025] See also Figure 1-7 As shown, a cutting device for PVC film with adaptive elasticity includes an operating table 1, and also includes: a fixed block 2 arranged on the outside of the operating table 1, a pressure block 4 for limiting the film is arranged inside the fixed block 2, and a first hydraulic rod 3 is arranged on the outside of the pressure block 4; a bracket 5 arranged on the outside of the operating table 1, a second hydraulic rod 6 is arranged on the outside of the bracket 5, a connecting block 7 is arranged on the outside of the second hydraulic rod 6, a limiting block 9 for pressing and holding the film is arranged on the outside of the connecting block 7, an elastic component 8 for buffering the limiting block 9 is arranged on the outside of the connecting block 7, and a holding piece 12 for pressing and limiting the film is arranged on the outside of the operating table 1.
[0026] refer to Figure 2 As shown, the elastic component 8 includes a connecting rod 801 sliding inside the connecting block 7, and a spring 802 is arranged on the outside of the connecting rod 801; the outsides of the connecting block 7 and the limit block 9 are both rotatably connected with support rods 16, and the two support rods 16 are rotatably connected to each other. The connecting rod 801 slides inside the connecting block 7, and the upper part is limited at the top of the connecting block 7 by a nut, and the bottom is fixedly connected to the top of the limit block 9. The limit block 9 contacts the top of the operating table 1, driving the connecting rod 801 to slide inside the connecting block 7, compressing the spring 802, so that a buffer is formed between the limit block 9 and the membrane to avoid damage to the membrane due to excessive impact force. When displacement occurs between the limit block 9 and the connecting block 7, the two support rods 16 rotate with each other, play a supporting role between the connecting block 7 and the limit block 9, improve the stability of the limit block 9, and avoid the limit block 9 from deflecting when pressed.
[0027] refer to Figure 6As shown, the pressing member 12 includes a pressing rod 121 rotatably connected to the outside of the bracket 5, a worm wheel 122 is arranged on the outside of the pressing rod 121, and a worm 123 is arranged on the outside of the worm wheel 122. The worm 123 rotates on the outside of the bracket 5, and the worm 123 meshes with the worm wheel 122 to drive the worm wheel 122 to rotate. The worm wheel 122 is fixed on the outside of the pressing rod 121, thereby driving the pressing rod 121 to rotate, so that the pressing rod 121 is pressed on the outside of the membrane to limit the membrane.
[0028] refer to Figure 3 , Figure 4 and Figure 5 As shown, a pressing plate 10 is arranged on the outside of the connecting block 7, and a cutting piece 11 is arranged on the outside of the pressing plate 10. The cutting piece 11 includes a fixed rod 111 fixed inside the pressing plate 10, and a moving wheel 112 is arranged on the outside of the fixed rod 111, and a cutting knife 113 is arranged at the bottom of the moving wheel 112; a transmission member 17 is arranged on the outside of the moving wheel 112. When the limit block 9 moves, the pressing plate 10 is driven to move downward synchronously, and the pressing plate 10 drives the cutting knife 113 to move downward. The transmission member 17 is composed of a conventional motor, a screw and a screw sleeve, wherein the screw sleeve is fixed on the top of the moving wheel 112, and the moving wheel 112 is driven to slide on the fixed rod 111 through the transmission member 17, and the moving wheel 112 drives the cutting knife 113 at its bottom to cut the film.
[0029] refer to Figure 1 As shown, the outside of the operating table 1 is fixedly connected with a fixing frame 15, and two opposite clamping tables 13 are arranged on the outside of the fixing frame 15, and a return spring 14 is arranged on the outside of the left clamping table 13. The right clamping table 13 is fixed on the fixing frame 15, and the left clamping table 13 slides on the fixing frame 15 and is limited on the fixing frame 15 by the return spring 14, so that the inside of the roller with the film is clamped on the outside of the two clamping tables 13, and the roller and the clamping table 13 roll, so that the film can be moved, and by moving the return spring 14 and the left clamping table 13, film rollers of different sizes can be clamped.
[0030] Working principle: The roller with the film is installed on the card table 13, and then passes through the inside of the bracket 5 and the lower part of the pressure block 4 in turn. When the film moves to the position where it needs to be cut, the first hydraulic rod 3 is turned on to drive the pressure block 4 to press down and contact with the film to limit the end of the film. At the same time, the worm 123 is rotated to drive the worm wheel 122 to rotate. The worm wheel 122 is fixed on the outside of the pressure rod 121, thereby driving the pressure rod 121 to rotate, so that the pressure rod 121 is pressed on the outside of the film to limit the film. Then the second hydraulic rod 6 is used to drive the connecting block 7 to move downward, and the connecting block 7 drives the limiting block 9 and the pressing plate 10 to move downward, and the part of the film that needs to be cut is pressed and limited again, which can effectively avoid the displacement and deviation of the film during cutting. The moving wheel 112 is driven by the transmission member 17 to slide on the fixed rod 111, and the moving wheel 112 drives the cutting knife 113 at its bottom to cut the film.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cutting device for PVC film with adaptive elasticity, comprising an operating table (1), characterized in that: Also includes: A fixed block (2) is arranged outside the operating table (1), a pressing block (4) for limiting the position of the membrane is arranged inside the fixed block (2), and a first hydraulic rod (3) is arranged outside the pressing block (4); A bracket (5) is arranged on the outside of an operating table (1), a second hydraulic rod (6) is arranged on the outside of the bracket (5), a connecting block (7) is arranged on the outside of the second hydraulic rod (6), a limit block (9) for pressing and holding the membrane is arranged on the outside of the connecting block (7), an elastic component (8) for buffering the limit block (9) is arranged on the outside of the connecting block (7), and a holding member (12) for pressing and limiting the membrane is arranged on the outside of the operating table (1).
2. The cutting device of a PVC film with adaptive elasticity according to claim 1, characterized in that: The elastic component (8) comprises a connecting rod (801) sliding inside the connecting block (7), and a spring (802) is arranged on the outside of the connecting rod (801).
3. The cutting device of a PVC film with adaptive elasticity according to claim 1, characterized in that: The outer sides of the connecting block (7) and the limiting block (9) are both rotatably connected to support rods (16), and the two support rods (16) are rotatably connected to each other.
4. The cutting device of a PVC film with adaptive elasticity according to claim 1, characterized in that: The holding member (12) comprises a pressure rod (121) rotatably connected to the outside of the bracket (5), a worm wheel (122) is arranged on the outside of the pressure rod (121), and a worm (123) is arranged on the outside of the worm wheel (122).
5. The cutting device of a PVC film with adaptive elasticity according to claim 1, characterized in that: A pressing plate (10) is arranged on the outer side of the connecting block (7), a cutting piece (11) is arranged on the outer side of the pressing plate (10), the cutting piece (11) comprises a fixing rod (111) fixed inside the pressing plate (10), a moving wheel (112) is arranged on the outer side of the fixing rod (111), and a cutting knife (113) is arranged at the bottom of the moving wheel (112).
6. The cutting device of a PVC film with adaptive elasticity according to claim 5, characterized in that: A transmission member (17) is arranged on the outer side of the moving wheel (112).
7. The cutting device of PVC film with adaptive elasticity according to claim 1, characterized in that: A fixing frame (15) is fixedly connected to the outside of the operating table (1), two opposite clamping tables (13) are arranged on the outside of the fixing frame (15), and a return spring (14) is arranged on the outside of the left clamping table (13).