Diaphragm clamping device for battery production

Abstract

The utility model relates to the technical field of diaphragm transverse pulling, extracting and clamping devices, and discloses a diaphragm clamping device for battery production, which comprises a fixed plate, a screw rod is movably mounted on the surface of the fixed plate, the cambered surface of the screw rod is in threaded connection with a moving block, a guide rod is fixedly mounted on the outer side of the fixed plate, and the guide rod is in threaded connection with the moving block. A movable roller is arranged above the lead screw, a positioning roller is arranged above the lead screw, and a stabilizing mechanism is arranged above the lead screw. According to the diaphragm clamping device for battery production, a movable shaft on a movable roller moves on a straight rod, a reset spring extrudes the movable shaft, the movable roller is matched with a positioning roller to extrude a diaphragm between the two rollers, the diaphragm clamping device adapts to adaptive clamping of diaphragms with different thicknesses, meanwhile, a rotary knob can be rotated to enable a threaded rod to move, the threaded rod extrudes a fixing frame, and the diaphragm is clamped. And a reset spring extrudes a movable shaft, so that a movable roller can better adjust the tightness of the diaphragm, and the edge of the diaphragm is stably pulled.

Description

TECHNICAL FIELD

[0001] The utility model relates to diaphragm horizontal pull extraction clamping device technical field, concretely is a diaphragm clamping device for battery production. BACKGROUND

[0002] The main function of the diaphragm in the battery material is to isolate the positive and negative electrodes to prevent self-discharge and two-pole short circuit problems, and the main material uses a porous high molecular film, including polyethylene or polypropylene, so it is also called a polyethylene film. In the process of manufacturing lithium batteries, the diaphragm clamping process is essential.

[0003] According to the disclosed lithium battery wet diaphragm horizontal pull extraction clamping device (publication number: CN222150954U), the above-mentioned application is insufficient to ensure the stability of traction due to the two-way stretching of the process and the heat shrinkage characteristics of the diaphragm, resulting in shrinkage of the diaphragm during the extraction process. Therefore, the clamping device disclosed in the utility model can effectively assist the driving roller to ensure the stability of traction in the production line.

[0004] However, the above-mentioned device is insufficient to ensure the stability of traction due to the heat shrinkage of the diaphragm during the extraction process. In order to ensure the normal width of the diaphragm during extraction and the stability of traction, we propose a diaphragm clamping device for battery production. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a diaphragm clamping device for battery production to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a diaphragm clamping device for battery production, comprising a fixed plate, the surface of the fixed plate movably mounting a lead screw, the arc surface of the lead screw connecting a moving block, the outer side of the fixed plate fixedly mounting a guide rod, the upper side of the lead screw being provided with a movable roller, the upper side of the lead screw being provided with a positioning roller, the upper side of the lead screw being provided with a stabilizing mechanism, the upper side of the lead screw being provided with a promoting mechanism, the stabilizing mechanism comprising:

[0007] A support plate is fixedly installed on the surface of the moving block, a plurality of knobs are movably installed on the upper surface of the support plate, a threaded rod is threadedly connected to the inner wall of the knob, a fixed frame is fixedly connected to the lower end of the threaded rod, and a movable slot is formed in the surface of the fixed frame.

[0008] A straight rod is fixedly installed on the inner wall of the movable slot, a return spring is fixedly connected to the inner wall of the movable slot, and an active shaft is fixedly connected to the end of the return spring away from the movable slot.

[0009] Preferably, the promoting mechanism comprises a cylinder fixedly installed on the surface of the fixing frame, an arc surface of the cylinder is fixedly connected with a torsion spring, one end of the torsion spring away from the arc surface of the cylinder is fixedly connected with a stabilizing frame, and an inclined roller is arranged on the outer side of the stabilizing frame.

[0010] Preferably, an inclined frame is fixedly installed on the surface of the stabilizing frame, and an arc surface of the inclined frame is movably installed with the inclined roller, so that the inclined roller can rotate on the arc surface of the inclined frame.

[0011] Preferably, a rotating hole is formed in the surface of the stabilizing frame, the diameter of the rotating hole is matched with the diameter of the cylinder, the stabilizing frame is sleeved on the surface of the cylinder, and the stabilizing frame rotates in the offset arc surface of the cylinder.

[0012] Preferably, the shape of the movable groove is matched with the shape of the straight rod, so that the straight rod can be fixedly installed on both ends of the upper and lower inner walls of the movable groove.

[0013] Preferably, a moving hole is formed in the arc surface of the movable shaft, the diameter of the moving hole is matched with the diameter of the straight rod, the straight rod penetrates through the movable shaft, and the movable shaft can move in the arc surface of the straight rod.

[0014] Compared with the prior art, the diaphragm clamping device for battery production has the following beneficial effects:

[0015] 1. The diaphragm clamping device for battery production is provided with a stabilizing mechanism, the movable shaft on the movable roller moves on the straight rod, the reset spring extrudes the movable shaft, the movable roller extrudes the diaphragm between the two rollers in cooperation with the positioning roller, adaptive clamping of diaphragms with different thicknesses is achieved, the knob can be rotated to move the threaded rod, the threaded rod extrudes the fixing frame, the reset spring extrudes the movable shaft, the movable roller better adjusts the tightness of the diaphragm, and the edge of the diaphragm is stably pulled.

[0016] 2. The diaphragm clamping device for battery production is provided with a promoting mechanism, the inclined roller on the stabilizing frame continuously adheres to the surface of the diaphragm under the action of the torsion spring, the inclined roller is arranged obliquely, the two inclined rollers on the upper and lower surfaces of the diaphragm smooth the wrinkles on the surface of the diaphragm to the edge, the wrinkles on the surface of the diaphragm that may be generated due to shrinkage are smoothed, the height of the fixing frame is adjusted by the knob under the action of the torsion spring, the inclined roller adheres to the surface of the diaphragm, and the stable pulling of the diaphragm is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the utility model;

[0018] Figure 2 It is a schematic view of the moving block of the utility model;

[0019] Figure 3 It is partial explosion schematic view of the utility model structure stable frame;

[0020] Figure 4 It is partial explosion schematic view of the utility model structure movable roller.

[0021] In the figure: 1, fixed plate; 2, screw rod; 3, stabilizing mechanism; 301, knob; 302, threaded rod; 303, support plate; 304, fixed frame; 305, movable slot; 306, straight rod; 307, return spring; 308, movable shaft; 4, promoting mechanism; 401, cylinder; 402, torsional spring; 403, stable frame; 404, inclined roller; 5, moving block; 6, guide rod; 7, movable roller; 8, positioning roller. DETAILED DESCRIPTION

[0022] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a diaphragm clamping device for battery production, including fixed plate 1, the surface of fixed plate 1 movable installation has screw rod 2, screw rod 2 arc surface thread connection moving block 5, the outside of fixed plate 1 is fixedly installed guide rod 6, the top of screw rod 2 is provided with movable roller 7, the top of screw rod 2 is provided with positioning roller 8, the top of screw rod 2 is provided with stabilizing mechanism 3, the top of screw rod 2 is provided with promoting mechanism 4, stabilizing mechanism 3 includes knob 301, threaded rod 302, support plate 303, fixed frame 304, movable slot 305, straight rod 306, return spring 307, movable shaft 308.

[0023] In an embodiment of the utility model, support plate 303 is fixedly installed on the surface of moving block 5, the upper surface of support plate 303 movable installation has many knob 302, the inner wall of knob 302 is threadedly connected with threaded rod 301, the lower end of threaded rod 301 is fixedly connected with fixed frame 304, the surface of fixed frame 304 is provided with movable slot 305, straight rod 306 is fixedly installed on the inner wall of movable slot 305, the inner wall of movable slot 305 is fixedly connected with return spring 307, the end of return spring 307 away from movable slot 305 is fixedly connected with movable shaft 308.

[0024] In addition, promoting mechanism 4 includes cylinder 401, cylinder 401 is fixedly installed on the surface of fixed frame 304, the arc surface of cylinder 401 is fixedly connected with torsional spring 402, the end of torsional spring 402 away from the arc surface of cylinder 401 is fixedly connected with stable frame 403, the outside of stable frame 403 is provided with inclined roller 404, stable frame 403 is fixedly installed on the surface of inclined frame, the arc surface of inclined frame movable installation has inclined roller 404, so that inclined roller 404 can rotate on the arc surface of inclined frame, the surface wrinkle of diaphragm is smoothed, it is convenient for subsequent movable roller 7 and positioning roller 8 to the clamping diaphragm, the upper and lower surfaces of diaphragm are provided with inclined roller 404, to facilitate the smoothing of the surface of diaphragm.

[0025] In the embodiment of the utility model, the side wall of mobile block 5 is fixedly installed with support frame, the side wall of support frame is movably installed with positioning roller 8, the side wall of support frame is also provided with promoting mechanism 4, the arc surface of movable shaft 308 is movably installed with movable roller 7, the surface of stabilizing frame 403 is provided with rotating hole, the diameter of rotating hole is matched with the diameter of cylinder 401, stabilizing frame 403 is sleeved on the surface of cylinder 401, stabilizing frame 403 is offset and rotated on the arc surface of cylinder 401, the shape of movable slot 305 is matched with the shape of straight rod 306, so that straight rod 306 can be fixedly installed on the both ends of the upper and lower inner walls of movable slot 305, the arc surface of movable shaft 308 is provided with moving hole, the diameter of moving hole is matched with the diameter of straight rod 306, straight rod 306 penetrates movable shaft 308, and movable shaft 308 can move on the arc surface of straight rod 306.

[0026] In the utility model, when using, movable shaft 308 on movable roller 7 moves on straight rod 306, reset spring 307 extrudes movable shaft 308, movable roller 7 cooperates with positioning roller 8 and extrudes the diaphragm between the two rollers, adapts to the adaptive clamping of diaphragms of different thicknesses, and the rotating knob 301 can be rotated simultaneously to make the threaded rod 302 move, so that the threaded rod 302 extrudes the fixing frame 304, the reset spring 307 extrudes the movable shaft 308, and the movable roller 7 better adjusts the tightness of the diaphragm surface.

[0027] Further, under the action of torsional spring 402, the inclined roller 404 on stabilizing frame 403 constantly adheres to the surface of the diaphragm, the inclined roller 404 is arranged obliquely, and the two inclined rollers 404 on the upper and lower surfaces of the diaphragm smooth the wrinkles on the surface of the diaphragm to the edge, the wrinkles on the surface of the diaphragm are smoothed, under the action of torsional spring 402, the height of fixing frame 304 is adjusted by cooperating with rotating knob 301 to make the inclined roller 404 adhere to the surface of the diaphragm, ensure that the diaphragm is smoothly pulled, and the adjustment of lead screw 2 makes the two mobile blocks 5 move to the appropriate position to clamp the edges of the width of the diaphragm.

[0028] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the modification or improvement of the spirit of the utility model, it is within the protection scope of the utility model.

Claims

1. A diaphragm clamping device for battery production, comprising a fixed plate (1), a lead screw (2) movably mounted on the surface of the fixed plate (1), a movable block (5) connected to the arc-shaped thread of the lead screw (2), a guide rod (6) fixedly mounted on the outer side of the fixed plate (1), a movable roller (7) disposed above the lead screw (2), and a positioning roller (8) disposed above the lead screw (2), characterized in that: The upper part of the lead screw (2) is provided with a stabilizing mechanism (3), and the upper part of the lead screw (2) is provided with a promoting mechanism (4), the stabilizing mechanism (3) comprises: A support plate (303) is fixedly installed on the surface of the moving block (5), the upper surface of the support plate (303) is movably installed with a knob (302), the inner wall of the knob (302) is threadedly connected with a threaded rod (301), the lower end of the threaded rod (301) is fixedly connected with a fixing frame (304), and the surface of the fixing frame (304) is provided with a movable groove (305); A straight rod (306) is fixedly installed on the inner wall of the movable groove (305), the inner wall of the movable groove (305) is fixedly connected with a reset spring (307), and the end of the reset spring (307) away from the movable groove (305) is fixedly connected with a movable shaft (308).

2. The separator clamping device for battery production according to claim 1, characterized in that: The promoting mechanism (4) comprises a cylinder (401), the cylinder (401) is fixedly installed on the surface of the fixing frame (304), the curved surface of the cylinder (401) is fixedly connected with a torsional spring (402), the end of the torsional spring (402) away from the curved surface of the cylinder (401) is fixedly connected with a stabilizing frame (403), and the outer side of the stabilizing frame (403) is provided with an inclined roller (404).

3. The separator clamping device for battery production according to claim 2, characterized in that: The surface of the stabilizing frame (403) is fixedly installed with an inclined frame, and the curved surface of the inclined frame is movably installed with the inclined roller (404).

4. The separator clamping device for battery production according to claim 2, characterized in that: The surface of the stabilizing frame (403) is provided with a rotating hole, the diameter of the rotating hole is matched with the diameter of the cylinder (401), and the stabilizing frame (403) is sleeved on the surface of the cylinder (401).

5. The separator clamping device for battery production according to claim 1, characterized in that: The shape of the movable groove (305) is matched with the shape of the straight rod (306).

6. The separator clamping device for battery production according to claim 1, characterized in that: The curved surface of the movable shaft (308) is provided with a moving hole, the diameter of the moving hole is matched with the diameter of the straight rod (306), and the straight rod (306) penetrates through the movable shaft (308).

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