A battery shell high-efficiency film rolling device and method

By designing the battery case high-efficiency rolling device, the automated rolling process is used to solve the multi-size shape and process requirements of battery case processing in the prior art, and efficient, safe and stable rolling of the battery case is achieved, and production efficiency and quality are improved.

CN114054552BActive Publication Date: 2025-04-11YUNNAN KUNMING SHIPBUILDING DESIGN & RESEARCH INSTITUTE
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Patent Information

Application Number
CN202111131911.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-09-26
Publication Date
2025-04-11
Estimated Expiration
2041-09-26

AI Technical Summary

Technical Problem

The prior art cannot meet the multi-size appearance requirements and process requirements in battery case processing, and stamping has safety risks, making it impossible to achieve high efficiency, high quality and high consistency production.

Method used

A battery case high-efficiency rolling device is designed, including a bracket, rolling turntable, feeding mechanism and rolling discharge mechanism, so as to achieve continuous, safe and stable rolling of the battery case through an automated rolling process.

Benefits of technology

It realizes efficient rolling of the battery case, improves output and quality, solves the safety hazards of stamping, realizes safe, continuous, stable and automated production, and improves rolling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a highly efficient film rolling device and method for battery shells, the device comprises a bracket arranged on an operating table, characterized in that a film rolling turntable with a toothed ring on its outer wall is rotated on the bracket through a supporting assembly, and a feeding mechanism and a film rolling discharging mechanism are matched with the film rolling turntable. The output and quality can be greatly improved, and the safety hazards existing in the stamping forming of the prior art can be fundamentally solved, so as to truly realize the safe, continuous, stable and automatic production of battery shells, and greatly improve the film rolling efficiency of battery shells.
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Description

Technical Field

[0001] The present invention belongs to the field of battery processing and production, and specifically relates to a battery shell high-efficiency sheet rolling device and method for rolling the battery shell.

[0002] With the widespread use of industrial and automated equipment, mass production and processing of products tend to mature, and industrial products have increasing requirements for equipment efficiency. In the processing of battery shells, most of the existing technologies use stamping to complete the rolling of battery shells, or cut long shells into short shells for use, but neither stamping nor shell cutting can meet the requirements of multi-size appearance and process requirements, let alone the requirements of high efficiency, high quality and high consistency. In addition, when stamping the battery shell, due to the use of semi-automatic or manual punching machines, operators must be present to release and take materials, which can easily lead to personal injuries such as pinching and crushing, thus posing a greater safety hazard and preventing safe, efficient and continuous work. Therefore, it is necessary to improve the existing technology. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a continuous, safe and stable battery shell high-efficiency sheet rolling device.

[0004] The second object of the present invention is to provide a method for efficiently rolling a battery shell based on a battery shell efficient rolling device.

[0005] The present invention achieves the first purpose through the following technical scheme: a battery shell high-efficiency film winding device, including a bracket arranged on an operating table, characterized in that a film winding turntable with a toothed ring on its outer wall is rotated on the bracket through a supporting component, and a feeding mechanism and a film winding discharging mechanism are matched with the film winding turntable.

[0006] The support is a rectangular frame consisting of a top plate, a bottom plate, and left and right side plates; the support assembly includes a film winding turntable support mechanism respectively arranged at the four corners of the inner side of the support, and a film winding turntable drive mechanism arranged at the bottom of the support, wherein:

[0007] The film winding turntable support mechanism includes a bottom plate fixed to the inner side of the bracket, side plates fixed to both sides of the bottom plate, and the two ends of the wheel axle of the supporting wheel are rotatably connected to the corresponding side plates through bearings, so as to support the film winding turntable from four corners in a rolling manner;

[0008] The film winding turntable driving mechanism includes a through slot arranged on the bottom plate of the bracket, a driving gear located in the through slot and meshing with a gear ring on the outer wall of the film winding turntable, two ends of the wheel axle of the driving gear are respectively rotatably connected to the seat bearings at the bottom of the bracket, and one end of the wheel axle is connected to the power machine so that the film winding turntable is driven to rotate through the driving gear under the drive of the power machine.

[0009] The feeding mechanism includes a base fixed on the bracket, a slider with a groove slidably connected to the base, a push shaft arranged in the groove of the slider, and a fixed block connected to the push shaft and a push driving mechanism, so that after the iron sheet of the battery casing enters, the iron sheet is pushed onto the winding mechanism through the push shaft.

[0010] The sheet pushing driving mechanism includes a driving bearing seat fixed on the operating table, a driving shaft rotatably placed on the driving bearing seat, a driving wheel and an eccentric wheel respectively fixedly connected to the two ends of the driving shaft, a connecting rod with one end connected to the eccentric shaft on the eccentric wheel and the other end connected to one end of the short shaft, the other end of the short shaft is connected to one end of the sliding rod, the sliding rod is slidably connected to a slide rail with a sliding groove on its outer side placed on the operating table, the sliding block on the inner side of the sliding rod is placed in the sliding groove on the outer side of the sliding rail, and the other end of the sliding rod is connected to a fixed block connected to the sheet pushing shaft, so that under the drive of the driving wheel, the eccentric wheel is rotated through the driving shaft, and then the eccentric shaft thereon drives the connecting rod, the short shaft, the sliding rod, and the fixed block to slide along the slide rail, thereby driving the sheet pushing shaft connected to the fixed block to extend and push the battery shell iron sheet to the sheet winding station.

[0011] The film roll discharging mechanism includes a support seat fixed on the bracket, the support seat is provided with a film roll bearing seat, one end of the film roll shaft is rotatably arranged on the film roll bearing seat, and the other end is placed on the supporting wheel, and the supporting wheel is placed on a swinging plate; the swinging plate is hinged with the locking shaft clamp through a hinge shaft, the locking shaft clamp is connected to one end of the screw, and the other end of the screw is connected to the screw bearing seat, and a film roll outlet shaft with a cam thereon is fixed on the screw bearing seat, and the film roll outlet shaft passes through a limit seat and is connected to a power machine so that the film roll outlet shaft can be driven to rotate by the power machine, so that the cam on the film roll rotates accordingly, and the screw bearing seat and the screw are pushed by the cam to move, so that the swinging plate swings around the hinge shaft by a certain amplitude, so that the supporting wheel and the film roll shaft are in close contact to complete the film rolling, or separated to facilitate the removal of the rolled battery shell.

[0012] A compressed gas supply mechanism is provided on the film winding bearing seat, and the compressed gas supply mechanism includes a disk body with an air cavity arranged on the film winding bearing seat, a circle of jet holes connected to the air cavity are arranged at intervals on the disk body located on one side of the film winding shaft, and an air inlet connected to the air cavity is provided on the side, and the air inlet is connected to the air supply pipe connected to the compressed gas source, so that the battery casing rolled on the film winding shaft can be sent out from the film winding shaft by pressurized gas.

[0013] The inner wall of the film winding turntable is connected to the corresponding rubber plate through the fixed blocks arranged at intervals, and the rubber plate is provided with a step, and one end of the iron sheet for the battery shell is placed at the bottom of the step, so that one end of the iron sheet is clamped at the bottom of the step, so that when the film winding turntable rotates, the rubber plate is driven to rotate at the same time, and one end of the iron sheet for the battery shell is clamped by the step on the rubber plate, and the film winding turntable continues to rotate. Under the extrusion of the film winding shaft and the rubber plate, the iron sheet for the battery shell placed therebetween is deformed and curled on the film winding shaft during the rotation of the film winding turntable, thereby rolling into a battery shell; then as the cam rotates, the screw bearing seat and the screw are pushed to move in the opposite direction to make the swing plate swing back to the original position around the hinge shaft, so that the support wheel is disengaged from the film winding shaft, and the compressed air mechanism installed on the film winding bearing seat is operated to blow out the power gas to send the battery shell rolled on the film winding shaft out along the discharging direction of the film winding shaft.

[0014] The method for efficiently rolling a battery shell based on a battery shell efficient rolling device provided by the present invention comprises the following steps:

[0015] 1) Manipulate the iron sheet for the battery casing to be sent to the slider of the feeding mechanism;

[0016] 2) Operate the sheet push drive mechanism to drive the sheet push shaft to push the iron sheet to the bottom of the sheet winding shaft of the sheet winding and discharging mechanism;

[0017] 3) Operate the winding turntable to rotate, and make the front end of the iron sheet get stuck in the rubber plate step on the inner wall of the winding turntable. During the rotation of the winding turntable, under the extrusion of the winding shaft and the rubber plate, the iron sheet for the battery shell placed therebetween is deformed and curled on the winding shaft during the rotation of the winding turntable, thereby rolling into a battery shell;

[0018] 4) Operate the film discharging mechanism to drive the film outlet shaft to rotate, and push the screw bearing seat and the screw to move through the cam to separate the support wheel from the film shaft;

[0019] 5) Operate the compressed air mechanism installed on the winding bearing seat to blow out the power gas, and send the battery shell rolled on the winding shaft out along the discharging direction of the winding shaft to complete the efficient winding of the battery shell.

[0020] Compared with the prior art, the present invention has the following advantages and effects: adopting the above scheme, the output and quality are greatly improved, and the potential safety hazards existing in the prior art stamping forming are fundamentally solved, and the safe, continuous, stable and automated production of battery shells is truly realized, and the rolling efficiency of the battery shells is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure after removing the bracket

[0023] Figure 3 for Figure 1 Schematic diagram of the local structure;

[0024] Figure 4 for Figure 3 Schematic diagram of the back structure;

[0025] Figure 5 for Figure 1 Schematic diagram of the support structure;

[0026] Figure 6 for Figure 5 The film winding turntable supporting mechanism diagram;

[0027] Figure 7 for Figure 3 A schematic diagram of the film winding turntable support mechanism and the film winding turntable structure;

[0028] Figure 8 for Figure 4 Front view of the feeding mechanism in FIG.

[0029] Fig. 9 for Figure 2 The back view of the feeding structure in FIG.

[0030] Fig.10 for Figure 3 Diagram of the roll discharging mechanism. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings.

[0032] The battery shell high-efficiency film winding device provided by the present invention comprises a bracket 1 arranged on an operating table 0, a film winding turntable 4 with a toothed ring on its outer wall is rotated by a supporting assembly on the bracket 1, a feeding mechanism 2 and a film winding discharging mechanism 3 matched with the film winding turntable 4, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in:

[0033] The bracket 1 is a rectangular frame consisting of a top plate 11, a bottom plate 14 and left and right side plates 13. The left and right side plates 13 are provided with support plates 16 and reinforcing rib plates 15. Figure 5 ;

[0034] The support assembly includes a film winding turntable support mechanism 12 respectively arranged at the four corners of the inner side of the bracket 1, and a film winding turntable drive mechanism arranged at the bottom of the bracket 1, wherein:

[0035] The film winding turntable support mechanism 12 includes a bottom plate 121 fixed to the inner side of the bracket 1, side plates 123 fixed to both sides of the bottom plate 121, and the two ends of the wheel shaft 124 of the support wheel 125 are rotatably connected to the corresponding side plates 123 through bearings 122, so as to support the film winding turntable 4 from four corners. Figure 4 , Figure 5 , Figure 6 ;

[0036] The film winding turntable driving mechanism includes a gear ring 41 arranged on the outer wall of the film winding turntable 4, a through groove arranged on the bottom plate of the bracket 1, and a driving gear 42 located in the through groove and meshing with the gear ring 41 on the outer wall of the film winding turntable 4. Both ends of the wheel shaft 421 of the driving gear 42 are respectively rotatably connected to the seat bearing 17 at the bottom of the bracket 1, and one end of the wheel shaft 421 is connected to the power machine, so that the film winding turntable 4 is driven to rotate through the driving gear 42 under the drive of the power machine. Figure 4 , Figure 5 , Figure 7 ;

[0037] The feeding mechanism 2 includes a base 21 fixed on the bracket 1, a slider 22 slidably matched with the base 21 and having a groove 221 thereon, a film pusher shaft 25 disposed in the groove 221 of the slider 22, a fixing block 26 connected to the film pusher shaft 25, and a film pusher driving mechanism 27. Figure 3 , Figure 4 , Figure 8 , so that after the iron sheet for the battery shell is fed onto the slider 22, the sheet-pushing shaft 25 protruding in the groove 221 is driven by the sheet-pushing driving mechanism 27 to push the iron sheet onto the sheet-winding mechanism 3;

[0038] The push-piece driving mechanism 27 includes a driving bearing seat 273 fixed on the operating table 0, a driving shaft 271 rotatably placed on the driving bearing seat 273, a driving wheel 272 (the driving wheel 272 is connected to the power machine through a transmission belt or chain) and an eccentric wheel 274 respectively fixed to the two ends of the driving shaft 271, a connecting rod 275 with one end connected to the eccentric shaft on the eccentric wheel 274 and the other end connected to one end of a short shaft 276, the other end of the short shaft 276 is connected to one end of a sliding rod 278, the other end of the sliding rod 278 is connected to a fixed block 26 connected to the push-piece shaft 25, and the sliding rod 278 is slidably connected to a sliding rail 277 placed on the operating table 0, a sliding groove 2771 is provided on the outer side of the sliding rail 277, and a slider 2781 on the inner side of the sliding rod 278 is placed in the sliding groove 2771, as shown in FIG. Figure 2 , Figure 4 , Figure 8 , Fig. 9, so that under the drive of the driving wheel 272, the eccentric wheel 274 is rotated through the driving shaft 271, and then the eccentric shaft on it drives the connecting rod 275, the short shaft 276, and the sliding rod 278 to move along the sliding rail 277, thereby driving the fixed block 26 and the pushing shaft 25 thereon to extend and push the battery shell iron sheet to the winding station;

[0039] The film discharging mechanism 3 includes a support seat 31 fixed on the bracket 1, a film bearing seat 32 is provided on the support seat 31, a film reel 33 with one end rotatably arranged on the film reel bearing seat 32 and the other end placed on a support wheel 34, and the support wheel 34 is placed on a swing plate 35; the swing plate 35 is hinged to a locking shaft clamp 361 through a hinge shaft, the locking shaft clamp 361 is connected to one end of a screw rod 36, and the other end of the screw rod 36 is connected to a screw bearing seat 362, a film reel outlet shaft 39 with a cam 37 thereon is fixed on the screw bearing seat 362, and the film reel outlet shaft 39 passes through a limit seat 38 and is connected to a driving wheel 391 driven by a power machine, as shown in FIG. Figure 2 , Figure 3 , Fig.10 , so that when winding the film, the driving wheel 391 is driven to rotate by the power machine, and then the film outlet shaft 39 is driven to rotate, so that the cam 37 on it rotates accordingly, and the screw bearing seat 362 and the screw 36 are pushed by the cam 37 to move, so that the swing plate 35 swings around the hinge shaft to a certain extent, so that the support wheel 34 and the film winding shaft 33 are in close contact and support the film winding shaft 33, or separated to facilitate the rolled battery shell to be blown out by the compressed gas supply mechanism;

[0040] The compressed gas supply mechanism is arranged on the film reel bearing seat 32, and the compressed gas supply mechanism includes a disc body 321 with an air cavity, and a circle of jet holes 322 connected to the air cavity are arranged on the disc body 321 and located on one side of the film reel shaft 33. An air inlet 323 connected to the air cavity is arranged on the side of the disc body 321, and the air inlet 323 is connected to the air supply pipe connected to the compressed gas source (air compressor). Fig.10 , so that the battery shell rolled on the film reel 33 can be sent out from the film reel 33 by the pressurized gas;

[0041] The inner wall of the winding turntable 4 is connected to the corresponding rubber plate 44 through the fixed blocks 43 arranged at intervals. The rubber plate 44 is provided with a step 441. One end of the iron sheet of the battery shell is placed at the bottom of the step 441 so that one end of the iron sheet is stuck at the bottom of the step 441 and fixed. Figure 2 , Figure 7; so that when the film winding turntable 4 rotates, the rubber plate 44 is driven to rotate at the same time, and one end of the iron sheet for the battery shell is clamped by the step 441 on the rubber plate 44, and the film winding turntable 4 continues to rotate. Under the squeezing action of the film winding shaft 33 and the rubber plate 44, the iron sheet for the battery shell placed therebetween is deformed and curled on the film winding shaft 33 during the rotation of the film winding turntable 4, thereby rolling into a battery shell; and then as the cam 37 rotates, the screw bearing seat 362 and the screw 36 are pushed to move in the opposite direction to make the swing plate 35 swing back to the original position around the hinge shaft, so that the support wheel 34 is disengaged from the film winding shaft 33, and the compressed air mechanism installed on the film winding bearing seat 32 is operated to blow out the power gas to send the battery shell rolled on the film winding shaft 33 out along the discharging direction of the film winding shaft 33.

[0042] The present invention provides a method for efficiently rolling a battery shell based on a highly efficient rolling device, comprising the following steps:

[0043] 1) Manipulate the iron sheet for the battery casing to be sent to the slider 22 of the feeding mechanism 2;

[0044] 2) Operate the sheet push drive mechanism 27 to drive the sheet push shaft 25 to push the iron sheet to the bottom of the sheet winding shaft 33 of the sheet winding and discharging mechanism 3;

[0045] 3) Operate the winding turntable 4 to rotate, and make the front end of the iron sheet get stuck in the step 441 of the rubber plate 44 on the inner wall of the winding turntable 4. During the rotation of the winding turntable 4, under the squeezing action of the winding shaft 33 and the rubber plate 44, the iron sheet for the battery shell placed therebetween is deformed and curled on the winding shaft 33 during the rotation of the winding turntable 4, thereby rolling into a battery shell;

[0046] 4) Operate the film discharging mechanism 3 to drive the film outlet shaft 39 to rotate, and push the screw bearing seat 362 and the screw 36 to move through the cam 37 to separate the support wheel 34 from the film reel shaft 33;

[0047] 5) Operate the compressed air mechanism installed on the winding bearing seat 32 to blow out the power gas, and send the battery shell rolled on the winding shaft 33 out along the discharging direction of the winding shaft 33 to complete the efficient winding of the battery shell.

Claims

1. A highly efficient battery shell rolling device, comprising a bracket arranged on an operating table, characterized in that The support is provided with a film winding turntable with a toothed ring on its outer wall, and a feeding mechanism and a film winding discharging mechanism matched with the film winding turntable are rotated through a supporting assembly; The inner wall of the film winding turntable is connected to the corresponding rubber plate through the fixed blocks arranged at intervals, and the rubber plate is provided with a step, and one end of the iron sheet of the battery shell is placed at the bottom of the step so that one end of the iron sheet is stuck at the bottom of the step; The film discharging mechanism comprises a support seat fixed on the bracket, the support seat is provided with a film bearing seat, one end of the film shaft is rotatably arranged on the film bearing seat, and the other end is placed on the support wheel, and the support wheel is placed on the swing plate; A compressed gas supply mechanism is provided on the film winding bearing seat, and the compressed gas supply mechanism includes a disk body with an air cavity arranged on the film winding bearing seat, a circle of jet holes connected to the air cavity are arranged at intervals on the disk body located on one side of the film winding shaft, and an air inlet connected to the air cavity is provided on the side, and the air inlet is connected to an air supply pipe connected to a compressed gas source.

2. The battery shell high-efficiency sheet rolling device according to claim 1 is characterized in that The support is a rectangular frame consisting of a top plate, a bottom plate, and left and right side plates.

3. The battery shell high-efficiency sheet rolling device according to claim 1 is characterized in that The support assembly includes film winding turntable support mechanisms respectively arranged at the four corners of the inner side of the support, and a film winding turntable driving mechanism arranged at the bottom of the support, wherein: The film winding turntable support mechanism includes a bottom plate fixed to the inner side of the bracket, side plates fixed to both sides of the bottom plate, and both ends of the wheel axle of the supporting wheel are rotatably connected to the corresponding side plates through bearings; The film winding turntable driving mechanism includes a through slot arranged on the bottom plate of the bracket, a driving gear located in the through slot and meshing with a gear ring on the outer wall of the film winding turntable, and both ends of the axle of the driving gear are rotatably connected to the seat bearings at the bottom of the bracket, and one end of the axle is connected to the power machine.

4. The battery shell high-efficiency sheet rolling device according to claim 1 is characterized in that The feeding mechanism comprises a base fixed on the bracket, a slider slidably connected with the base and having a groove thereon, a film pushing shaft arranged in the groove of the slider, and a fixed block connected to the film pushing shaft and a film pushing driving mechanism.

5. The battery shell high-efficiency sheet rolling device according to claim 4 is characterized in that The push-piece driving mechanism includes a driving bearing seat fixed on the operating table, a driving shaft rotatably placed on the driving bearing seat, a driving wheel and an eccentric wheel respectively fixed to the two ends of the driving shaft, a connecting rod with one end connected to the eccentric shaft on the eccentric wheel and the other end connected to one end of the short shaft, the other end of the short shaft is connected to one end of the sliding rod, the sliding rod is slidably connected to a sliding rail with a sliding groove on the outer side of the sliding rail placed on the operating table, the sliding block on the inner side of the sliding rod is placed in the sliding groove on the outer side of the sliding rail, and the other end of the sliding rod is connected to a fixed block connected to the push-piece shaft.

6. The battery shell high-efficiency sheet rolling device according to claim 1 is characterized in that The swing plate is hinged with the locking shaft clamp through a hinge shaft, the locking shaft clamp is connected to one end of the screw, and the other end of the screw is connected to the screw bearing seat. A film reel outlet shaft with a cam is fixed on the screw bearing seat, and the film reel outlet shaft passes through a limit seat and is connected to the power machine.

7. A method for efficiently rolling a battery shell based on the battery shell efficient rolling device according to claim 1, characterized in that The steps include: 1) Manipulate the iron sheet for the battery casing to be sent to the slider of the feeding mechanism; 2) Operate the sheet push drive mechanism to drive the sheet push shaft to push the iron sheet to the bottom of the sheet winding shaft of the sheet winding and discharging mechanism; 3) Operate the winding turntable to rotate, and make the front end of the iron sheet get stuck in the rubber plate step on the inner wall of the winding turntable. During the rotation of the winding turntable, under the extrusion of the winding shaft and the rubber plate, the iron sheet for the battery shell placed therebetween is deformed and curled on the winding shaft during the rotation of the winding turntable, thereby rolling into a battery shell; 4) Operate the film discharging mechanism to drive the film outlet shaft to rotate, and push the screw bearing seat and the screw to move through the cam to separate the support wheel from the film shaft; 5) Operate the compressed air mechanism installed on the winding bearing seat to blow out the power gas, and send the battery shell rolled on the winding shaft out along the discharging direction of the winding shaft to complete the efficient winding of the battery shell.

Citation Information

Patent Citations

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    CN205159375U

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    CN216606776U