Deburring device for metal strip

By using a metal strip deburring device, burrs on the edge of the tab strip are removed by grinding and ventilation components, which solves the problem of burrs piercing the current collector and separator, and improves the safety and resource utilization efficiency of the battery.

CN223685033UActive Publication Date: 2025-12-19JIANGSU YINHE METAL MATERIAL CO LTD
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Patent Information

Application Number
CN202423245284.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-19
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

When the tab strip is cut, the metal material at the edge of the cut is squeezed and deformed, resulting in burrs that can easily puncture the current collector and separator, causing internal short circuits in the cell and affecting the battery production quality.

Method used

A metal strip deburring device is used, which drives the take-up roller to rotate through a geared motor, uses a grinding disc to grind and deburr the edges of the strip, and uses a blower to remove the debris, thus avoiding the accumulation of metal debris and improving safety performance.

Benefits of technology

It effectively removes burrs from the strip, preventing punctures to the current collector or separator, and improving battery safety and resource utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a deburring device for a metal strip, and belongs to the technical field of lithium ion battery production. The deburring device for the metal strip comprises a supporting base, a polishing assembly and a dust collection assembly. A gear motor used for driving the material collecting roller to rotate is fixed to the supporting base. The grinding assembly comprises a brushless motor and a grinding disc, and the grinding disc is coaxially fixed to a driving shaft of the brushless motor. An exhaust opening of the exhaust fan is communicated with the dust receiving hopper, and the polishing disc is arranged at an upper end opening of the dust receiving hopper; the exhaust fan is started, negative pressure is generated at the end opening of the dust receiving hopper, ground chippings are sucked away, metal chippings are prevented from being accumulated, meanwhile, recycling is facilitated, resources are saved, the brushless motor drives the grinding disc to rotate to conduct burr operation on the metal strip, burrs on the edge of the metal strip are removed, and the efficiency is improved. The current collector or the diaphragm is prevented from being punctured by burrs, and the safety performance of a subsequent battery is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of lithium ion battery production, in particular to a deburring device for metal strip. BACKGROUND

[0002] At present, the tab is an important component of the lithium ion battery. One end of the tab is welded with the pole piece current collector, and the other end is welded with the battery metal shell (steel shell process). The current is output externally through the tab and the shell. The tab is made of metal (aluminum, nickel, copper, etc.), and the specified thickness and width of the tab strip are obtained by slitting the wide metal sheet of the specified thickness.

[0003] The prior art in the above has the following defects: when the tab strip is slitted, the metal material at the edge cut is extruded and deformed, so that the tab strip appears burr, which is easy to pierce the current collector and the diaphragm, causing internal short circuit of the battery cell and affecting the quality of the product. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the present application provides a deburring device for metal strip, which aims to improve the problem that the tab strip appears burr and easily causes internal short circuit of the battery cell.

[0005] The present application provides a deburring device for metal strip, which comprises a supporting seat, a polishing assembly and a dust collection assembly.

[0006] The supporting seat is provided with a feeding roller and a collecting roller at the upper end, and a speed reducer motor is fixed to the supporting seat for driving the rotation of the collecting roller. The polishing assembly comprises a brushless motor and a polishing disc, and the polishing disc is coaxially fixed on the driving shaft of the brushless motor. The dust collection assembly comprises a dust receiving hopper and an air extractor, and the air suction port of the air extractor is communicated with the dust receiving hopper. The polishing disc is arranged at the upper port of the dust receiving hopper.

[0007] In a preferred mode of the present application, the feeding roller and the collecting roller are arranged in the same plane, and a receiving table is arranged between the feeding roller and the collecting roller.

[0008] In a preferred mode of the present application, the receiving table is fixedly connected with the supporting seat, the metal strip wound on the surface of the feeding roller is laid on the upper surface of the receiving table, and the receiving table is arranged at the corresponding position of the polishing disc.

[0009] In a preferred mode of the present application, the supporting seat is rotatably provided with a main shaft, one end of the main shaft is coaxially fixedly connected with the driving shaft of the speed reducer motor, the collecting roller is sleeved on the other end of the main shaft, and the collecting roller rotates synchronously with the main shaft.

[0010] The supporting seat is fixed with a supporting shaft, the feeding roller is sleeved on the surface of the supporting shaft, and the supporting shaft is arranged in parallel with the main shaft.

[0011] In a preferred mode of the utility model, the dust receiving hopper is fixedly connected with the brushless motor shell through a support, the dust extraction port of the dust extractor is connected with the lower port of the dust receiving hopper through a corrugated pipe, and the air outlet of the dust extractor is sleeved with a filter bag.

[0012] In a preferred mode of the utility model, the supporting seat is fixed with a supporting frame, the first sliding block is slidably connected with the supporting frame in the vertical direction, the second sliding block is slidably connected with the surface of the first sliding block in the horizontal direction, and the brushless motor is installed on the surface of the second sliding block.

[0013] In a preferred mode of the utility model, the supporting frame is fixed with a limiting rod, the first sliding block is slidably penetrated on the surface of the limiting rod, the first sliding block is threadedly connected with a first screw rod, the upper end of the first screw rod is rotatably connected with the supporting frame, and the top of the first screw rod is fixed with a first hand wheel.

[0014] In a preferred mode of the utility model, the first sliding block is slidably connected with a sliding rod, the sliding rod is fixedly connected with the second sliding block, the second sliding block is threadedly connected with a second screw rod, the second screw rod is rotatably connected with the first sliding block, and the top of the second screw rod is fixed with a second hand wheel.

[0015] Beneficial effects: the metal strip deburring device provided by the application has the beneficial effects that: the feeding roller is rotated by a speed reducer motor, the metal strip on the surface of the feeding roller is pulled out, the edge of the metal strip is polished and deburred by the polishing disc arranged between the feeding roller and the collecting roller, and the metal strip after polishing is wound up by the collecting roller; in the polishing process, the dust extractor is started to generate negative pressure at the port of the dust receiving hopper, so that the polishing debris is separated, metal debris is prevented from accumulating, recycling is facilitated, resources are saved, the metal strip is rotated by the polishing disc driven by the brushless motor to perform deburring operation, the edge burr of the metal strip is removed, the metal strip is prevented from piercing the current collector or the diaphragm, and the safety performance of the subsequent battery is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0017] Figure 1 is a three-dimensional structure schematic view of the metal strip deburring device provided by the embodiments of the application.

[0018] Figure 2 The three-dimensional structure schematic diagram of the polishing assembly provided for the embodiment of the present application is provided.

[0019] Figure 3 The structure schematic diagram of the dust collection assembly provided for the embodiment of the present application is provided.

[0020] Figure 4 The three-dimensional structure schematic diagram of the connection between the first sliding block and the second sliding block provided for the embodiment of the present application is provided.

[0021] In the figure: 100, support seat; 101, receiving table; 110, feeding roller; 130, material collecting roller; 150, speed reducer motor; 170, support frame; 171, first sliding block; 172, second sliding block; 173, limiting rod; 174, first hand wheel; 175, sliding rod; 176, second hand wheel; 300, polishing assembly; 310, brushless motor; 330, polishing disc; 500, dust collection assembly; 510, dust receiving hopper; 530, air extractor; 531, corrugated pipe; 533, filter cloth bag. DETAILED DESCRIPTION

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0024] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0025] Please refer to Figures 1-4 The present application provides a deburring device for metal strip, comprising a support seat 100, a polishing assembly 300 and a dust collection assembly 500.

[0026] The upper end of the support base 100 is provided with a feeding roller 110 and a collecting roller 130, and the support base 100 is fixed with a speed reducer motor 150 for driving the collecting roller 130 to rotate; the polishing assembly 300 comprises a brushless motor 310 and a polishing disc 330, and the polishing disc 330 is coaxially fixed on the driving shaft of the brushless motor 310; the dust suction assembly 500 comprises a dust receiving hopper 510 and an air extractor 530, the air suction port of the air extractor 530 is communicated with the dust receiving hopper 510, and the polishing disc 330 is arranged at the upper port of the dust receiving hopper 510.

[0027] In the specific embodiment of the utility model, the feeding roller 110 and the collecting roller 130 are flushly arranged, and a receiving table 101 is arranged between the feeding roller 110 and the collecting roller 130.

[0028] In the specific embodiment of the utility model, the receiving table 101 is fixedly connected with the support base 100, the metal strip wound on the surface of the feeding roller 110 is laid on the upper surface of the receiving table 101, and the receiving table 101 is arranged at the corresponding position of the polishing disc 330.

[0029] In the specific embodiment of the utility model, the support base 100 is rotatably provided with a main shaft, one end of the main shaft is fixedly connected with the driving shaft of the speed reducer motor 150 in a coaxial mode, the collecting roller 130 is sleeved on the other end of the main shaft, and the collecting roller 130 rotates synchronously with the main shaft.

[0030] The support base 100 is fixedly provided with a support shaft, the feeding roller 110 is rotatably sleeved on the surface of the support shaft, and the support shaft is arranged in parallel with the main shaft.

[0031] Please refer to Figure 3 In the specific embodiment of the utility model, the dust receiving hopper 510 is fixedly connected with the shell of the brushless motor 310 through a support, the air suction port of the air extractor 530 is connected with the lower port of the dust receiving hopper 510 through a corrugated pipe 531, and the air exhaust port of the air extractor 530 is sleeved with a filter cloth bag 533.

[0032] In the specific embodiment of the utility model, the upper end of the support base 100 is fixedly provided with a support frame 170, the support frame 170 is slidingly connected with a first sliding block 171 in the vertical direction, the surface of the first sliding block 171 is slidingly connected with a second sliding block 172 in the horizontal direction, and the brushless motor 310 is arranged on the surface of the second sliding block 172.

[0033] In the specific embodiment of the utility model, the support frame 170 is fixed with a limiting rod 173, the first sliding block 171 is slidably penetrated on the surface of the limiting rod 173, the first sliding block 171 is screw connected with a first screw rod, the upper end of the first screw rod is rotationally connected with the support frame 170, and the first hand wheel 174 is fixed on the top of the first screw rod.

[0034] In the specific embodiment of the utility model, the first sliding block 171 is slidably connected with a slide rod 175, the slide rod 175 is fixedly connected with the second sliding block 172, the second sliding block 172 is screw connected with a second screw rod, the second screw rod is rotationally connected with the first sliding block 171, and the second hand wheel 176 is fixed on the top of the second screw rod.

[0035] The working principle of the deburring device for the metal strip is as follows: in use, the material collecting roller 130 is driven to rotate by the speed reducer motor 150, the strip on the surface of the material feeding roller 110 is pulled out, the grinding disc 330 arranged between the material feeding roller 110 and the material collecting roller 130 grinds the edge of the strip to remove burrs, and the material collecting roller 130 winds up the ground strip; in the grinding process, the dust collector 510 port generates negative pressure by starting the exhaust fan 530, the grinding debris is separated, metal debris is prevented from accumulating, recycling is facilitated, resources are saved, the brushless motor 310 drives the grinding disc 330 to rotate to perform burr operation on the metal strip, the edge burrs of the metal strip are removed, the metal strip is prevented from piercing the current collector or the diaphragm, and the safety performance of the subsequent battery is improved.

[0036] It should be noted that the specific model and specification of the speed reducer motor 150, the brushless motor 310 and the exhaust fan 530 need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0037] The power supply and principle of the speed reducer motor 150, the brushless motor 310 and the exhaust fan 530 are clear to those skilled in the art, and will not be described in detail here.

[0038] The above only describes the embodiments of the application and does not limit the protection scope of the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A deburring device for a metal strip, characterized in that The utility model provides a metal strip polishing device, including Supporting seat (100), the supporting seat (100) upper end is equipped with the material feeding roller (110) and the material collecting roller (130), the supporting seat (100) is fixed with the speed reducer motor (150) for driving the material collecting roller (130) rotation; Polishing assembly (300), the polishing assembly (300) includes brushless motor (310) and polishing disc (330), the polishing disc (330) coaxial fixed in the drive shaft of brushless motor (310); Dust suction assembly (500), the dust suction assembly (500) includes dust receiving hopper (510) and exhaust fan (530), the exhaust port of exhaust fan (530) is communicated with dust receiving hopper (510), and the polishing disc (330) is arranged at the upper port of dust receiving hopper (510).

2. A device for deburring a metal strip according to claim 1, characterized in that The material feeding roller (110) is flush with the material collecting roller (130), and the material feeding roller (110) and the material collecting roller (130) are provided with a receiving table (101) therebetween.

3. A device for deburring a metal strip according to claim 2, characterized in that The receiving table (101) is fixedly connected with the supporting seat (100), the metal strip wound on the surface of the material feeding roller (110) is laid on the upper surface of the receiving table (101), and the receiving table (101) is arranged at the corresponding position of the polishing disc (330).

4. The apparatus for deburring a metal strip of claim 1, wherein, The supporting seat (100) is rotatably provided with a main shaft, one end of the main shaft is fixedly connected with the drive shaft of the speed reducer motor (150), the material collecting roller (130) is sleeved on the other end of the main shaft, and the material collecting roller (130) rotates synchronously with the main shaft. The supporting seat (100) is fixedly provided with a supporting shaft, the material feeding roller (110) is rotatably sleeved on the surface of the supporting shaft, and the supporting shaft is arranged in parallel with the main shaft.

5. The apparatus for deburring a metal strip of claim 1, wherein, The dust receiving hopper (510) is fixedly connected with the shell of the brushless motor (310) through a support, the exhaust port of the exhaust fan (530) is connected with the lower port of the dust receiving hopper (510) through a corrugated pipe (531), and the exhaust port of the exhaust fan (530) is sleeved with a filter bag (533).

6. The apparatus for deburring a metal strip of claim 1, wherein, The supporting seat (100) is fixedly provided with a supporting frame (170) at the upper end, the first sliding block (171) is slidably connected with the supporting frame (170) along the vertical direction, the second sliding block (172) is slidably connected with the surface of the first sliding block (171) along the horizontal direction, and the brushless motor (310) is mounted on the surface of the second sliding block (172).

7. A device for deburring a metal strip according to claim 6, characterized in that The supporting frame (170) is fixedly provided with a limiting rod (173), the first sliding block (171) is slidably penetrated through the surface of the limiting rod (173), the first sliding block (171) is threadedly connected with a first screw rod, one end of the first screw rod is rotatably connected with the supporting frame (170), and a first hand wheel (174) is fixedly arranged on the top of the first screw rod.

8. A device for deburring a metal strip according to claim 7, characterized in that The first sliding block (171) is slidably connected with a sliding rod (175), the sliding rod (175) is fixedly connected with the second sliding block (172), the second sliding block (172) is threadedly connected with a second screw rod, the second screw rod is rotatably clamped with the first sliding block (171), and a second hand wheel (176) is fixedly arranged on the top of the second screw rod.