Automatic tape threading mechanism for pole piece

Abstract

The utility model relates to an automatic pole piece threading mechanism which comprises a driving assembly, a chain, an original point sensor, a threading rod and a fixed chain wheel, the driving assembly, the original point sensor and the fixed chain wheel are installed on a machine frame, the driving assembly and the fixed chain wheel are connected through the chain, the threading rod is fixedly arranged on the chain, and the driving assembly drives the chain to conduct transmission. According to the automatic tape threading mechanism for the pole piece, the pole piece is fixed to the tape threading rod through the adhesive tape, the driving assemblies drive the chain to conduct transmission, and therefore the pole piece is driven to conduct tape threading along the chain, adverse effects caused by manual operation are reduced, the number of the driving assemblies can be increased or decreased according to the length of the chain, and the transmission efficiency is guaranteed; the belt penetrating rod connecting blocks are arranged on the chain every a certain distance, the belt penetrating rods are installed on the belt penetrating rod connecting blocks through screws, rapid disassembly and assembly are achieved, the original belt penetrating rods are made of carbon fiber materials, and the weight is reduced while the strength is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to an automatic pole piece threading mechanism. Background Art

[0002] Lithium-ion power batteries have high operating voltage (three times that of nickel-cadmium batteries and nickel-hydrogen batteries), large specific energy (up to 165WH / kg, three times that of nickel-hydrogen batteries), small size, light weight, long cycle life, low self-discharge rate, no memory effect, and no pollution, etc., so they are widely welcomed in the market.

[0003] In the production process of battery cells, the pole piece needs to pass through different rollers, and after adjustment and correction by various assemblies, it needs to be wound with the diaphragm in the winding assembly to make a qualified battery cell. The existing winding machine requires manual insertion of the pole piece into different mechanisms before production, so it needs to be pulled onto different rollers, which not only makes it easy to put the pole piece into the wrong position, and scratch the pole piece with different assemblies, but also wastes a lot of time and affects production efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a pole piece automatic belt threading mechanism to solve the above technical problems and improve the belt threading efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pole piece automatic belt threading mechanism comprises a driving assembly, a chain, an origin sensor, a belt threading rod and a fixed sprocket. The driving assembly, the origin sensor and the fixed sprocket are installed on a frame, the driving assembly and the fixed sprocket are connected by the chain, the belt threading rod is fixed on the chain, and the driving assembly drives the chain to transmit.

[0007] As a preferred technical solution, the driving assembly includes a motor, a connecting rod and a driving sprocket. The driving sprocket is installed at both ends of the connecting rod, and the motor drives the connecting rod to rotate.

[0008] As a preferred technical solution, the driving assembly is further provided with a protective cover, and the protective cover is coated on the outer surface of the driving sprocket.

[0009] As a preferred technical solution, the protective cover is provided with a clearance groove for avoiding the chain.

[0010] As a preferred technical solution, it further includes a tensioning structure, and the tensioning structure is connected to the chain.

[0011] As a preferred technical solution, the tensioning structure includes a tensioning mounting seat and a tensioning sprocket. The tensioning sprocket is mounted on the tensioning mounting seat, and the tensioning sprocket is meshed with the chain.

[0012] The beneficial effects of the utility model are as follows: the above-mentioned automatic pole piece threading mechanism fixes the pole piece on the threading rod by means of tape, and the driving component drives the chain transmission, thereby driving the pole piece to be threaded along the chain, so as to reduce the adverse effects caused by manual operation, and the number of driving components can be increased or decreased according to the length of the chain to ensure the efficiency of the transmission, a threading rod connecting block is provided at each distance of the chain, and the threading rod is installed on the threading rod connecting block by means of screws to realize quick disassembly and assembly, the origin sensor is respectively provided at the pole piece unwinding position and the winding position, and can sense the threading rod, thereby controlling the start and stop of the automatic pole piece threading mechanism, and the threading rod is made of carbon fiber material, which reduces the weight while ensuring the strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the automatic pole piece threading mechanism involved in the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the drive assembly involved in the utility model;

[0015] Figure 3 It is a structural schematic diagram of the tensioning structure involved in the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] like Figure 1As shown, an automatic pole piece threading mechanism includes a driving component 1, a chain 2, an origin sensor 5, a threading rod 4, a fixed sprocket 3 and a tensioning structure 6. The driving component 1, the origin sensor 5, the fixed sprocket 3 and the tensioning structure 6 are installed on a frame, the driving component 1, the fixed sprocket 3 and the tensioning structure 6 are connected through the chain 2, the threading rod 4 is fixed on the chain 2, the driving component 1 drives the chain 2 to transmit, and the pole piece is fixed to the threading rod 4 through an adhesive tape, the driving component 1 drives the chain 2 to transmit, thereby driving the pole piece to be threaded along the chain 2, so as to reduce the adverse effects caused by manual operation, and the number of driving components 1 can be increased or decreased according to the length of the chain 2 to ensure the transmission efficiency, and the chain 2 is set to thread every distance The belt rod connecting block, the belt threading rod 4 is installed on the belt threading rod connecting block by screws to achieve quick disassembly and assembly, and the origin sensor 5 is respectively set at the pole piece unwinding position and the winding position, which can sense the belt threading rod 4, thereby controlling the start and stop of the pole piece automatic belt threading mechanism; in addition, when the equipment breaks the belt, first manually determine the broken belt position, and find the position of the belt threading rod connecting block closest to the broken belt, install the belt threading rod 4 on the belt threading rod connecting block, and start the driving component 1 after the broken belt head of the pole piece is connected to the belt threading rod 4 by tape. When the belt threading rod 5 moves to the broken belt connection, manual splicing is performed to complete one splicing, and then the belt threading rod 4 returns to the origin to wait for the next belt threading. The belt threading rod 4 is made of carbon fiber material, which reduces weight while ensuring strength.

[0018] like Figure 2 As shown, the driving assembly 1 includes a motor 11, a connecting rod 12, a driving sprocket 13 and a protective cover 14. The driving sprocket 13 is installed at both ends of the connecting rod 12. The motor 11 drives the connecting rod 12 to rotate. The protective cover 14 is covered on the outer surface of the driving sprocket 13. The driving sprocket 13 is linked to the chain 2. The motor 11 drives the connecting rod 12 to rotate, and the chain 2 is driven by the driving sprocket 13. The protective cover 14 is installed on the frame to support the rotation of the connecting rod 12. The protective cover 14 is provided with an avoidance groove 15 for avoiding the empty chain 2 to avoid affecting the transmission of the chain 2.

[0019] like Figure 3 As shown, the tensioning structure 6 includes a tensioning mounting seat 61 and a tensioning sprocket 62. The tensioning sprocket 62 is mounted on the tensioning mounting seat 61. The tensioning sprocket 62 is engaged with the chain 2, so that the chain 2 remains tensioned.

[0020] The above-described embodiments are only preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent application scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A pole piece automatic threading mechanism, characterized in that: It includes a driving component, a chain, an origin sensor, a belt threading rod and a fixed sprocket. The driving component, the origin sensor and the fixed sprocket are installed on a frame. The driving component and the fixed sprocket are connected through the chain. The belt threading rod is fixed on the chain. The driving component drives the chain transmission.

2. The automatic pole piece threading mechanism according to claim 1, characterized in that: The driving assembly includes a motor, a connecting rod and a driving sprocket. The driving sprocket is installed at both ends of the connecting rod. The motor drives the connecting rod to rotate.

3. The automatic pole piece threading mechanism according to claim 2, characterized in that: The driving assembly is also provided with a protective sleeve, and the protective sleeve is coated on the outer surface of the driving sprocket.

4. The automatic pole piece threading mechanism according to claim 3, characterized in that: The protective cover is provided with a clearance groove for avoiding the chain.

5. The automatic pole piece threading mechanism according to claim 4, characterized in that: It further comprises a tensioning structure, and the tensioning structure is connected with the chain.

6. The automatic pole piece threading mechanism according to claim 5, characterized in that: The tensioning structure includes a tensioning mounting seat and a tensioning sprocket. The tensioning sprocket is mounted on the tensioning mounting seat, and the tensioning sprocket is meshed with the chain.

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