Battery film coating machine storage box mechanism with non-stop roll switching function

By introducing a movable frame, a lifting drive mechanism, and a tension buffer assembly into the battery film coating machine, the problem of tension variation in the battery film during film splicing was solved, achieving stable delivery of the battery film and continuous production.

CN223687765UActive Publication Date: 2025-12-19FUJIAN JINJIANG HONGYANG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520198469.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2025-12-19
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Existing storage mechanisms cannot effectively cope with tension changes in the battery membrane during the splicing process, resulting in excessive or insufficient membrane tension, which affects production continuity and membrane integrity.

Method used

The battery film coating machine storage tank mechanism, which has the function of switching rolls without stopping, includes a movable frame, a lifting drive mechanism, a tension buffer assembly and a drive motor. By adjusting the distance between the movable and fixed rollers and the tension buffer assembly, the tension change of the battery film is controlled to avoid film damage caused by excessive tension changes.

Benefits of technology

This achieves stable control of the battery membrane tension during the splicing process, avoiding excessive or insufficient tension and ensuring production continuity and battery membrane integrity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a battery film coating machine storage box mechanism with a non-stop roll switching function, which comprises a machine frame, a movable frame arranged on the upper portion of the machine frame and a plurality of fixed rollers arranged on the lower portion of the machine frame in a rotating mode, the movable frame is provided with a plurality of movable rollers in a rotating mode, and the movable rollers and the fixed rollers are staggered. The movable frame is mounted on the rack through a lifting driving mechanism, a roller frame is rotatably mounted on the movable frame, a driving motor for driving the roller frame to rotate is arranged on the movable frame, and the movable rollers are rotatably mounted on the roller frame; tension buffering assemblies are arranged at the cloth inlet end and the cloth outlet end of the machine frame respectively. According to the battery film coating machine storage box mechanism with the non-stop roll switching function, tension control can be carried out, and film damage caused by tension change is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery film production equipment technical field especially relates to a kind of battery film coating machine storage tank mechanism with not stop switching roll function. BACKGROUND

[0002] Battery film needs to be glued, dried, and pasted release paper after production, and battery film is installed in roll shape on production line for discharging after gluing, so new film roll needs to be replaced and film splicing is carried out after each roll is discharged, battery film needs to be fixed during film splicing, in order to continuous operation of equipment, storage mechanism is usually set on production line, continuously conveying battery film to the rear during film splicing, to ensure continuous operation of subsequent equipment, existing storage mechanism usually uses multiple movable guide rollers to store cloth, the height of guide roller is lowered during film splicing, and the cloth stored thereon can be conveyed backward, but existing storage mechanism cannot cope with tension change when battery film is fixed or released, resulting in too large or too small tension of battery film before and after. SUMMARY

[0003] In order to overcome the technical defects of prior art, the utility model provides a kind of battery film coating machine storage tank mechanism with not stop switching roll function, which can control tension and avoid film damage caused by tension change.

[0004] The technical solution adopted by the utility model is: a battery film coating machine storage tank mechanism with not stop switching roll function, comprising a rack, a movable frame installed on the upper part of the rack and a plurality of fixed rollers rotatably installed on the lower part of the rack, the movable frame is rotatably installed with a plurality of movable rollers staggered with the plurality of fixed rollers, the movable frame is installed on the rack by a lifting drive mechanism, a roller frame is rotatably installed on the movable frame, a drive motor is arranged on the movable frame to drive the rotation of the roller frame, and the plurality of movable rollers are rotatably installed on the roller frame.

[0005] Tension buffer assemblies are arranged at the cloth inlet end and the cloth outlet end of the rack, the tension buffer assembly comprises a mounting frame arranged on the rack, upper rollers and lower rollers arranged on the mounting frame, the upper rollers and the lower rollers are arranged on the mounting frame by compression springs, one end of the compression spring is connected with the mounting frame, the other end of the compression spring is fixed with a sliding block, the sliding block is slidably installed on the mounting frame in vertical direction, and the upper roller or the lower roller is rotatably installed on the sliding block.

[0006] Preferably, the lifting drive mechanism comprises a sliding frame movably installed on the rack in vertical direction and a lead screw assembly driving the lifting of the sliding frame, and the movable frame is fixedly connected with the sliding frame.

[0007] Preferably, the screw rod assembly comprises a screw rod rotatably mounted on the frame, a nut matched with the screw rod, and a servo motor driving the screw rod to rotate, the movable frame is driven by the two screw rod assemblies, and the movable frame is fixedly connected with the nuts corresponding to the two screw rod assemblies.

[0008] Preferably, the compression spring is connected with the mounting frame through an adjusting assembly, the adjusting assembly comprises an adjusting hand wheel and an adjusting screw rod, the adjusting screw rod is rotatably mounted on the mounting frame, the adjusting hand wheel is fixed at one end of the adjusting screw rod, an adjusting nut is matched with the adjusting screw rod, an abutting block is fixed on the adjusting nut, the abutting block is slidably mounted on the mounting frame and connected with the compression spring.

[0009] Preferably, the mounting frame is provided with a plurality of upper rollers and a plurality of lower rollers, and the plurality of upper rollers and the plurality of lower rollers are arranged alternately.

[0010] The battery film coating machine storage box mechanism with the function of non-stop switching of the present application can cope with the tension change of the battery film during the film connecting operation, and avoid the tension of the battery film being too large or too small. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 The utility model discloses a battery film coating machine storage box mechanism with the function of non-stop switching.

[0012] Fig. 2 The utility model discloses a tension buffer assembly.

[0013] Fig. 3 The utility model discloses a lifting driving mechanism.

[0014] Mark explanation: 1, frame, 101, movable frame, 102, roller frame, 103, movable roller, 104, driving motor, 105, fixed roller, 106, sliding frame, 107, screw rod, 108, nut, 109, servo motor, 2, tension buffer assembly, 201, adjusting hand wheel, 202, adjusting screw rod, 203, abutting block, 204, compression spring, 205, sliding block, 206, upper roller, 207, lower roller. DETAILED DESCRIPTION

[0015] The utility model will be further described in connection with the drawings:

[0016] As Figs. 1 to 3As shown, the embodiment provides a battery film coating machine storage mechanism with non-stop switching function, which comprises a rack 1, a movable frame 101 mounted on the upper part of the rack 1 and a plurality of fixed rollers 105 rotatably mounted on the lower part of the rack 1, the movable frame 101 is rotatably mounted with a plurality of movable rollers 103 staggered with the plurality of fixed rollers 105, the movable frame 101 is mounted on the rack 1 through a lifting driving mechanism, a roller frame 102 is rotatably mounted on the movable frame 101, a driving motor 104 for driving the roller frame 102 to rotate is arranged on the movable frame 101, and a plurality of movable rollers 103 are rotatably mounted on the roller frame 102; the tension buffer assembly 2 is arranged at the inlet and outlet of the rack 1, the tension buffer assembly 2 comprises a mounting frame arranged on the rack 1, an upper roller 206 and a lower roller 207 arranged on the mounting frame, the upper roller 206 and the lower roller 207 are arranged on the mounting frame through compression springs 204, one end of the compression spring 204 is connected with the mounting frame, the other end of the compression spring 204 is fixed with a sliding block 205, the sliding block 205 is slidably mounted on the mounting frame in the vertical direction, the upper roller 206 or the lower roller 207 is rotatably mounted on the sliding block 205, the tension buffer assembly 2 can react to the tension change of the battery film and can play a buffering role to avoid damage to the battery film caused by rapid tension change.

[0017] In the embodiment, the lifting driving mechanism comprises a sliding frame 106 movably mounted on the rack 1 in the vertical direction and a lead screw assembly for driving the sliding frame 106 to lift, the movable frame 101 is fixedly connected with the sliding frame 106, the lead screw assembly comprises a lead screw 107 rotatably mounted on the rack 1, a nut 108 matched with the lead screw 107 and a servo motor 109 for driving the lead screw 107 to rotate, the movable frame 101 and the sliding frame 106 are driven by two lead screw assemblies, the sliding frame 106 is fixedly connected with the nuts 108 corresponding to the two lead screw assemblies, when the film is connected, the end of the battery film is clamped, the lifting driving mechanism drives the sliding frame 106 and the movable frame 101 thereon to lower the position, the distance between the movable rollers 103 and the fixed rollers 105 is shortened, and the stored battery film between the movable rollers 103 and the fixed rollers 105 can continue to be conveyed to the rear to ensure the continuous operation of the subsequent equipment.

[0018] In the embodiment, the compression spring 204 is connected with the mounting frame through an adjusting assembly, the adjusting assembly comprises an adjusting hand wheel 201 and an adjusting lead screw 202, the adjusting lead screw 202 is rotatably mounted on the mounting frame, the adjusting hand wheel 201 is fixed on one end of the adjusting lead screw 202, an adjusting nut is matched on the adjusting lead screw 202, an abutting block 203 is fixed on the adjusting nut, the abutting block 203 is slidably mounted on the mounting frame and connected with the compression spring 204. Preferably, a plurality of upper rollers 206 and a plurality of lower rollers 207 are arranged on the mounting frame, and the plurality of upper rollers 206 and the plurality of lower rollers 207 are arranged alternately.

[0019] The battery film coating machine storage mechanism with non-stop switching roll function of the embodiment is arranged in a battery film coating production line, and is arranged at a position subsequent to a film receiving station. When the film receiving operation starts, the end of the battery film is fixed, the tension of the battery film becomes large, the driving motor 104 drives the roller frame 102 to rotate, so that the end of the roller frame 102 away from the film receiving station is deflected downward, so that the tension of the battery film behind the storage mechanism does not become too large instantaneously, and the tension buffer assembly 2 plays a buffering role. During the film receiving process, the position of the movable frame 101 is lowered, and the coating operation is continuously performed. At the same time, the roller frame 102 slowly recovers to the horizontal state under the drive of the driving motor 104. After the film receiving operation is completed, the roller frame 102 rotates again, so that the end of the roller frame 102 close to the film receiving station is deflected upward, so that the tension of the battery film in front of the storage mechanism becomes large, and the tension of the battery film caused by the film receiving operation is avoided. The battery film coating machine storage mechanism with non-stop switching roll function of the embodiment can cope with the tension change of the battery film during the film receiving operation, and avoid that the tension of the battery film is too large or too small.

[0020] The basic principles and main features of the application and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the application, the utility model can have various changes and improvements. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery film coater hopper mechanism with no-downtime changeover roll function, characterized by: The rack, the movable frame installed on the upper part of the rack, and the plurality of fixed rollers rotatably installed on the lower part of the rack, the movable frame rotatably installed with a plurality of movable rollers staggered with the plurality of fixed rollers, the movable frame installed on the rack through a lifting driving mechanism, the roller frame rotatably installed on the movable frame, the driving motor installed on the movable frame to drive the roller frame to rotate, and the plurality of movable rollers rotatably installed on the roller frame. The rack is provided with a tension buffer assembly at the cloth inlet end and the cloth outlet end, the tension buffer assembly comprises a mounting frame arranged on the rack, an upper roller and a lower roller arranged on the mounting frame, the upper roller and the lower roller are arranged on the mounting frame through a compression spring, one end of the compression spring is connected with the mounting frame, the other end of the compression spring is fixed with a sliding block, the sliding block is slidably arranged on the mounting frame in the vertical direction, and the upper roller or the lower roller is rotatably arranged on the sliding block.

2. The battery film coater hopper mechanism with no-downtime changeover reel function of claim 1, wherein: The lifting driving mechanism comprises a sliding frame movably arranged on the rack in the vertical direction and a lead screw assembly driving the sliding frame to lift, and the movable frame is fixedly connected with the sliding frame.

3. The battery film coater hopper mechanism with no-downtime changeover reel function of claim 2, wherein: The lead screw assembly comprises a lead screw rotatably arranged on the rack, a nut matched with the lead screw, and a servo motor driving the lead screw to rotate, the movable frame is driven by two lead screw assemblies, and the movable frame is fixedly connected with the nuts corresponding to the two lead screw assemblies.

4. The battery film coater hopper mechanism with no-downtime changeover reel function of claim 1, wherein: The compression spring is connected with the mounting frame through an adjusting assembly, the adjusting assembly comprises an adjusting hand wheel and an adjusting lead screw, the adjusting lead screw is rotatably arranged on the mounting frame, the adjusting hand wheel is fixed on one end of the adjusting lead screw, an adjusting nut is matched with the adjusting lead screw, an abutting block is fixed on the adjusting nut, the abutting block is slidably arranged on the mounting frame and connected with the compression spring.

5. The battery film coater hopper mechanism with no-downtime changeover reel function of claim 4, wherein: The mounting frame is provided with a plurality of upper rollers and a plurality of lower rollers, and the plurality of upper rollers and the plurality of lower rollers are arranged alternately.