Overlock device suitable for cast film
By designing a side locking device suitable for cast films, the problem of unstable side fixing during high-speed processing of lithium battery separators is solved, and the fast and stable side locking is achieved, which improves process stability and product quality.
Patent Information
- Application Number
- CN202420718480.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In the prior art, when the lithium battery separator is processed at high speed, the fixed edge is unstable, and the film is broken and the edge is rotten, resulting in inconsistent necking and affecting the flake structure of the separator.
A edge locking device suitable for casting films is designed, including a film casting assembly and a edge locking mechanism. The edge locking mechanism consists of a fixed edge roller slide, an electrostatic edge locking machine, a flip spacer, etc. The combination of the electrostatic edge locking machine and a flip spacer can achieve rapid and stable edge locking.
It realizes rapid and stable edge locking under high-speed machining conditions, improves the overall process of film edge locking, stabilizes product quality, and maintains dryness of the fixed edge roller, and improves the fixed edge operation efficiency.
Smart Images
Figure CN222681535U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film extrusion edge locking, in particular to an edge locking device suitable for cast film. Background Art
[0002] As the competition in the new energy market becomes increasingly fierce, the entire market is forced to innovate and reduce costs. In the lithium battery separator industry, it is common to increase speed and width. Dry and wet extrusion have become the core processes for the entire industry to speed up. As the speed continues to increase, the requirements for extrusion edge setting are also getting higher and higher. At present, the diaphragm industry mostly adopts the edge setting method of electrostatic plus blowing, but this method is prone to unstable edge setting, film breakage and edge rot during high-speed processing of lithium battery separators, resulting in inconsistent necking and affecting the diaphragm's sheet crystal structure. For this reason, we specially propose a locking device suitable for cast film. Utility Model Content
[0003] The utility model aims to solve the problems existing in the background technology and to provide a locking device suitable for cast film.
[0004] The technical solution of the utility model is as follows: a locking device suitable for cast film, comprising a film casting component and a locking mechanism, the film casting component comprising a casting die and a casting roller, a casting film lip is arranged below the casting die, the locking mechanism comprises a fixed edge roller slide rail located at one side of the casting roller, two groups of fixed edge rollers are arranged on the fixed edge roller slide rail, each group of the fixed edge rollers is provided with an electrostatic locking machine, each group of the electrostatic locking machines comprises a locking machine body, a locking machine operating head is arranged at one end of the locking machine body, a rotating disk is arranged between the locking machine operating head and the locking machine body, and a flip cover spacer is arranged between the mounting ends of the two groups of the locking machine bodies and the fixed edge rollers.
[0005] Preferably, a film is provided between the casting film lip and the casting roller, and one side of the film is in contact with the outer side of the casting roller.
[0006] Preferably, the mounting end of the deck roller is mounted corresponding to a deck roller slide rail, and the deck roller slide rail guides the movement of the deck roller.
[0007] Preferably, the main body of the overlocking machine is arranged in a telescopic and bendable shape, the operating head of the overlocking machine is arranged in a "three-needle-in-one" shape, and the operating head of the overlocking machine is arranged in a horizontal straight line shape.
[0008] Preferably, the mounting end of the rotating disk 1 is mounted correspondingly to one end of the overlocking machine body, and the connecting end of the rotating disk 1 is mounted correspondingly to the mounting end of the overlocking machine operating head.
[0009] Preferably, the mounting ends of each group of the flap spacers are respectively mounted correspondingly to the two ends of the fixed edge roller, the other end of the flap spacers is provided with a rotating disk 2, and the mounting end of the overlocking machine body is mounted correspondingly to the connecting end of the rotating disk 2.
[0010] Compared with the prior art, the utility model has the following beneficial technical effects:
[0011] The utility model discloses the ... BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;
[0014] Figure 3 It is a partial structural schematic diagram of the electrostatic edge-locking machine and the flap spacer in the utility model.
[0015] Figure numerals: 1. Film casting assembly; 11. Casting die; 12. Casting roller; 13. Casting film lip; 14. Film; 2. Edge locking mechanism; 21. Fixed edge roller slide; 22. Fixed edge roller; 23. Electrostatic edge locking machine; 231. Edge locking machine body; 232. Edge locking machine operating head; 233. Rotating disk one; 3. Flip cover spacer; 4. Rotating disk two. DETAILED DESCRIPTION
[0016] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0017] Example
[0018] like Figure 1-3As shown, the utility model proposes a locking device suitable for cast film, including a film casting component 1 and a locking mechanism 2, the film casting component 1 includes a casting die 11 and a casting roller 12, a casting film lip 13 is arranged below the casting die 11, a film 14 is arranged between the casting film lip 13 and the casting roller 12, one side of the film 14 is in contact with the outer side of the casting roller 12, the film casting component 1 is a conventional technical structure in the prior art, so it is not described in detail in this application document, the locking mechanism 2 and the film casting component 1 are adapted to each other, the locking mechanism 2 includes a fixed edge roller slide rail 21 located on one side of the casting roller 12, and the fixed edge roller slide rail 21 is provided on the bottom of the casting die 11. Two groups of edge fixing rollers 22 are arranged on the rail 21, and the mounting ends of the edge fixing rollers 22 are installed correspondingly to the edge fixing roller slide rails 21, and the edge fixing rollers 22 are slidably connected to the edge fixing roller slide rails 21, and the edge fixing roller slide rails 21 guide the movement of the edge fixing rollers 22, and the edge fixing rollers 22 are made of high temperature resistant and non-static rubber material. The setting of the edge fixing roller slide rails 21 can make the two groups of edge fixing rollers 22 adjust left and right along the edge fixing roller slide rails 21, so as to better fix the edge of the film, and at the same time can adapt to the needs of film production operations of different widths, and each group of edge fixing rollers 22 is provided with an electrostatic locking machine 23, and each group of electrostatic locking machine 23 includes a locking machine body 23. 1. The main body 231 of the edge locking machine is configured to be retractable and bendable. The retractable and bendable configuration of the main body 231 of the edge locking machine can make the working end of the electrostatic edge locking machine 23 better adapt to the two sides of the film 14, and can better fit the film 14. One end of the main body 231 of the edge locking machine is provided with an edge locking machine working head 232. The edge locking machine working head 232 is configured to be a "three-needle-in-one" shape. The edge locking machine working head 232 is configured to be a horizontal straight line. A rotating disk 233 is provided between the edge locking machine working head 232 and the main body 231 of the edge locking machine. The mounting end of the rotating disk 233 is mounted correspondingly to one end of the main body 231 of the edge locking machine The mounting end of the rotating disk 233 is fixedly connected to the main body 231 of the edge locking machine, and the connecting end of the rotating disk 233 is installed correspondingly to the mounting end of the edge locking machine working head 232. One end of the edge locking machine working head 232 is fixedly connected to the connecting end of the rotating disk 233. The setting of the rotating disk 233 can make the edge locking machine working head 232 rotate and adjust according to the needs during operation, so that the edge locking machine working head 232 can meet the needs of horizontal or vertical use. The setting of the edge locking mechanism 2 can quickly fix the edge in the actual production process, realize the needs of fast and stable edge locking, improve the overall process of film edge locking, and stabilize product quality.
[0019] A flap spacer 3 is arranged between the mounting ends of the two sets of edge-locking machine bodies 231 and the edge-locking roller 22. The mounting ends of each set of flap spacer 3 are respectively mounted correspondingly to the two ends of the edge-locking roller 22. The mounting ends of the flap spacer 3 are fixedly connected to the edge-locking roller 22. A rotating disk 2 4 is arranged at the other end of the flap spacer 3. The mounting end of the rotating disk 2 4 is fixedly connected to the flap spacer 3. The mounting end of the edge-locking machine body 231 is mounted correspondingly to the connecting end of the rotating disk 2 4. The edge-locking machine body 231 is fixedly connected to the rotating disk 2 4. The rotating disk 2 4 The setting allows the edge locking machine body 231 to be rotated and adjusted according to the working requirements. The setting of the flip cover sleeve 3 can protect the edge fixing roller 22, and at the same time, the space of the edge fixing roller 22 is not affected by environmental changes, thereby keeping it dry, so that the edge fixing roller 22 can better perform the edge fixing operation. The electrostatic edge locking machine 23 is integrated with the edge fixing roller 22 through the flip cover sleeve 3, thereby realizing the function of synchronous shifting, so that the device can perform the edge locking operation more quickly and stably, ensuring the integrity of the thin film wafer structure.
[0020] In this embodiment, the operator performs the diaphragm processing operation through the film casting component 1, and then the operator adjusts the two sets of fixed edge rollers 22 to the left and right through the fixed edge roller slide rail 21, so that the two sets of fixed edge rollers 22 correspond to the two sides of the film 14. While adjusting, the fixed edge rollers 22 drive the electrostatic locking machine 23 to follow the movement adjustment through the flip cover spacer 3, and then the rotating disk 24 is rotated according to the operation requirements, so as to rotate and adjust the locking machine body 231. After the rotation angle adjustment of the locking machine body 231 is completed, the operator rotates and adjusts the locking machine working head 232 through the rotating disk 1 233 according to the operation requirements, so that the locking machine working head 232 is adjusted to a horizontal or vertical shape, so that the locking machine working head 232 meets the operation requirements, and then the operator extends or bends the locking machine body 231, so that the locking machine working head 232 and the two sides of the film 14 are adapted to each other, thereby starting the locking operation of the film 14.
[0021] The above specific embodiment is only a preferred embodiment of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above embodiment, those skilled in the art can make various alternative improvements and combinations to the above specific embodiment.
Claims
1. A locking device for cast film, comprising a film casting assembly (1) and a locking mechanism (2), characterized in that: The film casting assembly (1) comprises a casting die (11) and a casting roller (12), a casting film lip (13) is arranged below the casting die (11), the edge locking mechanism (2) comprises a fixed edge roller slide rail (21) located on one side of the casting roller (12), two groups of fixed edge rollers (22) are arranged on the fixed edge roller slide rail (21), each group of the fixed edge rollers (22) is provided with an electrostatic edge locking machine (23), each group of the electrostatic edge locking machine (23) comprises a edge locking machine body (231), a edge locking machine operating head (232) is arranged at one end of the edge locking machine body (231), a rotating disk (233) is arranged between the edge locking machine operating head (232) and the edge locking machine body (231), and a flip cover spacer (3) is arranged between the installation ends of the two groups of the edge locking machine bodies (231) and the fixed edge roller (22).
2. A locking device for cast film according to claim 1, characterized in that: A film (14) is arranged between the casting film lip (13) and the casting roller (12), and one side of the film (14) is in contact with the outer side of the casting roller (12).
3. The edge locking device for cast film according to claim 1, characterized in that: The mounting end of the deckle roller (22) is mounted corresponding to the deckle roller slide rail (21), and the deckle roller slide rail (21) guides the deckle roller (22) in movement.
4. The edge locking device for cast film according to claim 1, characterized in that: The overlocking machine body (231) is arranged in a telescopic and bendable shape, the overlocking machine operating head (232) is arranged in a "three-needle-in-one" shape, and the overlocking machine operating head (232) is arranged in a horizontal straight line shape.
5. The edge locking device for cast film according to claim 1, characterized in that: The mounting end of the rotating disk 1 (233) is mounted correspondingly to one end of the edge locking machine body (231), and the connecting end of the rotating disk 1 (233) is mounted correspondingly to the mounting end of the edge locking machine operating head (232).
6. The edge locking device for cast film according to claim 1, characterized in that: The mounting ends of each group of the flap spacers (3) are respectively mounted correspondingly to the two ends of the fixed edge roller (22); the other end of the flap spacers (3) is provided with a rotating disk 2 (4); and the mounting end of the edge locking machine body (231) is mounted correspondingly to the connecting end of the rotating disk 2 (4).