Battery pack shell surface polishing device

By introducing a grinding sheet protective cover and residue extraction tube into the surface grinding device of the battery pack housing, safety hazards and the problems of flying residues are solved, and safety and environmental cleaning are improved.

CN223211077UActive Publication Date: 2025-08-12JIANGSU JINJUSHI NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422449789.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-08-12
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The existing surface grinding device of the battery pack housing lacks protective measures, resulting in frequent safety accidents during accidental contact, and the residue generated by the grinding affects the working environment.

Method used

A battery pack housing surface grinding device including a grinding sheet protective cover and a residue extraction tube is designed. The grinding sheet protective cover is installed on the bearing rotary rod to provide protection; the residue extraction tube is installed on the grinding sheet protective cover by threads and connected to the external extraction equipment to achieve the cleaning of residue.

Benefits of technology

It effectively prevents safety accidents caused by accidental contact, and cleans and grinds the residues produced by extraction equipment to keep the working environment clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a battery pack shell surface polishing device, which relates to the technical field of polishing and comprises a device body. The device body is provided with a bearing rotating rod in the vertical direction, a regular hexagonal prism is arranged on the top end face of the bearing rotating rod, a fixing column is arranged on the bottom end face of the bearing rotating rod, and a regular hexagonal blind hole is formed in the bottom end face of the fixing column of the bearing rotating rod. A threaded hole penetrating front and back is formed in the front wall of the upper portion of the regular hexagon blind hole of the bearing rotating rod, a grinding disc protective cover is installed on a fixing column of the bearing rotating rod through a bearing, and the grinding disc protective cover is of a circular truncated cone cover-shaped structure on the whole, so that the grinding disc protective cover is conveniently installed on the bearing rotating rod through the bearing. The rotary grinding piece is conveniently covered and protected through the grinding piece protective cover, and the problems that no protective measure exists on the periphery of the grinding piece, safety accidents are likely to be caused by mistaken touch, and protective measures are inconvenient to be additionally arranged on the device for covering and protecting the grinding piece are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of polishing, and in particular relates to a battery pack shell surface polishing device. Background Art

[0002] Battery pack shell surface grinding is a technology that improves the surface quality and smoothness of the battery shell. Specialized grinding equipment is used to physically and mechanically process the battery shell to remove surface unevenness, burrs or other defects, thereby making the shell surface smoother and reducing friction and wear that may be caused during use. This helps improve the performance and life of the battery and enhances the battery's aesthetics and overall quality.

[0003] Based on the above, the inventors have found that the existing battery pack shell surface grinding device has the following shortcomings:

[0004] 1. There are no protective measures around the grinding disc, which can easily cause safety accidents due to accidental touch. It is inconvenient to install protective measures on the device to cover and protect the grinding disc;

[0005] 2. The residue generated by grinding surrounds the grinding disc and is easy to fly around, affecting the working environment. It is inconvenient to install extraction measures on the device to extract and clean the residue. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a battery pack shell surface grinding device to solve the problem that the existing grinding sheet has no protective measures around it, which is easy to cause safety accidents due to accidental touch, and it is inconvenient to install protective measures on the device to cover and protect the grinding sheet; the residue generated by grinding surrounds the grinding sheet and is easy to fly around and affect the working environment, and it is inconvenient to install extraction measures on the device to extract and clean the residue.

[0007] The purpose and effect of the battery pack shell surface polishing device of the present invention are achieved by the following specific technical means:

[0008] A battery pack shell surface grinding device includes a device body; the device body is provided with a load-bearing rotating rod in the up and down directions, the top end face of the load-bearing rotating rod is provided with a regular hexagonal prism, the bottom end face of the load-bearing rotating rod is provided with a fixed column, the bottom end face of the fixed column of the load-bearing rotating rod is provided with a regular hexagonal blind hole, the upper front wall of the regular hexagonal blind hole of the load-bearing rotating rod is provided with a threaded hole that passes through front and back, a grinding disc protective cover is installed on the fixed column of the load-bearing rotating rod through a bearing, the grinding disc protective cover is a truncated cone cover structure as a whole, a bearing hole that passes through top and bottom is provided in the center of the grinding disc protective cover, and a threaded hole that passes through top and bottom is provided behind the bearing hole of the grinding disc protective cover.

[0009] Furthermore, an anti-slip ring plate is provided on the inner circumference of the bottom of the anti-slip locking cylinder, and a regular hexagonal structure is provided on the outer circumference of the anti-slip locking cylinder.

[0010] Furthermore, an anti-dropout locking cylinder is installed on the outer circumference of the motor shaft through a thread in the up and down directions, and a thread is provided on the inner circumference of the anti-dropout locking cylinder.

[0011] Furthermore, the regular hexagonal prism supporting the rotating rod is sleeved with a motor shaft in the up-down direction, a regular hexagonal blind hole is provided on the bottom end face of the motor shaft, and a thread is provided on the outer circumference of the motor shaft.

[0012] Furthermore, a rotating polishing sheet is inserted into the regular hexagonal blind hole that supports the rotating rod. The rotating polishing sheet is a truncated cone structure as a whole, and a regular hexagonal prism is provided in the center of the top end face of the rotating polishing sheet in the vertical direction.

[0013] Furthermore, a grinding disc locking column in the front-to-back direction is installed inside the threaded hole of the supporting rotating rod, a thread is provided on the outer circumference of the grinding disc locking column, and a regular hexagonal groove is provided on the front end surface of the grinding disc locking column.

[0014] Furthermore, a residue extraction pipe is installed in the upper and lower directions at the top of the threaded hole of the grinding plate protective cover, a regular hexagonal ring plate is provided on the outer circumference of the bottom of the residue extraction pipe, and a thread is provided on the outer circumference of the lower end of the residue extraction pipe.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The grinding disc protective cover is conveniently installed on the load-bearing rotating rod through the bearing, and the rotating grinding disc is conveniently covered and protected by the grinding disc protective cover, which solves the problem that there is no protective measure on the periphery of the grinding disc, which is easy to cause safety accidents due to accidental touch, and it is inconvenient to add protective measures to the device to cover and protect the grinding disc.

[0017] The convenient residue extraction tube is installed on the grinding disc protective cover through threads and connected to the external extraction equipment. The convenient residue extraction tube applies the extraction force to the rotating grinding disc through the grinding disc protective cover, which solves the problem that the residue generated by grinding surrounds the grinding disc, easily flies around and affects the working environment, and it is inconvenient to install extraction measures on the device to extract and clean the residue. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural diagram of the present utility model.

[0019] Figure 2 It is a schematic cross-sectional structural diagram of the present utility model.

[0020] Figure 3 It is a schematic diagram of the disassembly structure of the utility model.

[0021] Figure 4 It is a schematic diagram of the assembly of the grinding plate protective cover and the residue extraction pipe of the utility model when viewed from above.

[0022] Figure 5 It is a bottom view schematic diagram of the assembly of the grinding plate protective cover and the bearing rotating rod of the utility model.

[0023] Figure 6 It is a top view schematic diagram of the anti-drop locking cylinder of the utility model.

[0024] In the figure: 1. Device body; 2. Load-bearing rotating rod; 3. Grinding disc protective cover; 4. Residue extraction tube; 5. Grinding disc locking column; 6. Rotating grinding disc; 7. Motor shaft; 8. Anti-slip locking cylinder. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples.

[0026] Example 1:

[0027] As attached Figure 1 To the attached Figure 6 As shown:

[0028] The utility model provides a battery pack shell surface grinding device, including a device body 1; the device body 1 is provided with a load-bearing rotating rod 2 in the upper and lower directions, which is convenient for carrying various components; the top end face of the load-bearing rotating rod 2 is provided with a regular hexagonal prism, which is convenient for inserting the regular hexagonal blind hole of the motor shaft 7 and rotating synchronously; the bottom end face of the load-bearing rotating rod 2 is provided with a fixed column, which is convenient for the grinding sheet protective cover 3 to be installed through the bearing; the bottom end face of the fixed column of the load-bearing rotating rod 2 is provided with a regular hexagonal blind hole, which is convenient for the regular hexagonal prism of the rotating grinding sheet 6 to be inserted and rotated synchronously; a threaded hole running through the front and back is provided on the upper front wall of the regular hexagonal blind hole of the load-bearing rotating rod 2, which is convenient for the grinding sheet locking column 5 to be installed through the thread; The bearing is installed with a grinding disc protective cover 3, which is convenient for carrying the rotating rod 2 for rotation. The grinding disc protective cover 3 is a frustum cover structure as a whole, which is convenient for fitting with the rotating grinding disc 6. A bearing hole is provided in the center of the grinding disc protective cover 3, which is convenient for carrying the rotating rod 2 through the bearing. A threaded hole is provided behind the bearing hole of the grinding disc protective cover 3, which is convenient for the residue extraction pipe 4 to be installed through threads. The top of the threaded hole of the grinding disc protective cover 3 is installed with the residue extraction pipe 4 in the upper and lower directions, which is convenient for connecting external extraction equipment and is in a fixed state. A regular hexagonal ring plate is provided on the outer circumference of the bottom of the residue extraction pipe 4, which is convenient for rotation and disassembly by tools. The outer circumference of the lower end of the residue extraction pipe 4 is provided with threads, which is convenient for installation through threads.

[0029] Among them, a grinding disc locking column 5 in the front and rear directions is installed inside the threaded hole of the supporting rotating rod 2, which is convenient for locking and fixing the rotating grinding disc 6. The outer circumference of the grinding disc locking column 5 is provided with a thread, which is convenient for installation through the thread. The front end face of the grinding disc locking column 5 is provided with a regular hexagonal groove, which is convenient for rotation and disassembly through tools. The rotating grinding disc 6 is inserted into the regular hexagonal blind hole of the supporting rotating rod 2, which is convenient for synchronous rotation. The rotating grinding disc 6 is a truncated cone structure as a whole, which is convenient for mutual fit with the grinding disc protective cover 3. The center of the top end face of the rotating grinding disc 6 is provided with a regular hexagonal prism in the upper and lower directions, which is convenient for insertion into the regular hexagonal blind hole of the supporting rotating rod 2 and synchronous rotation. The regular hexagonal prism supporting the rotating rod 2 is sleeved on There is an up and down motor shaft 7, which is convenient for synchronous rotation. A regular hexagonal blind hole is provided on the bottom end face of the motor shaft 7, which is convenient for the regular hexagonal prism that carries the rotating rod 2 to be inserted and rotated synchronously. A thread is provided on the outer circumference of the motor shaft 7, which is convenient for the anti-slip locking cylinder 8 to be installed through the thread. The outer circumference of the motor shaft 7 is installed with an up and down anti-slip locking cylinder 8 through the thread, which is convenient for preventing the carrying rotating rod 2 from slipping off. The inner circumference of the anti-slip locking cylinder 8 is provided with a thread, which is convenient for installation through the thread. The inner circumference of the anti-slip locking cylinder 8 is provided with an anti-slip ring plate on the bottom inner circumference, which is convenient for preventing the carrying rotating rod 2 from slipping off. The outer circumference of the anti-slip locking cylinder 8 is provided with a regular hexagonal structure, which is convenient for rotation and disassembly by tools.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the present utility model, Figure 1 As shown, the top of the residue extraction pipe 4 is in a truncated state. When in use, the residue extraction pipe 4 needs to be connected to an external extraction device and is in a fixed state. The residue extraction pipe 4 is used to keep the grinding disc protective cover 3 in a stationary state. At the same time, the top of the motor shaft 7 is in a truncated state. When the device body 1 is in use, the external extraction device is turned on to transmit the extraction force to the inside of the grinding disc protective cover 3 through the residue extraction pipe 4. The extraction force is applied to the rotating grinding disc 6 through the grinding disc protective cover 3, thereby extracting and cleaning the residue generated by grinding around the rotating grinding disc 6 to prevent the residue from flying and affecting the working environment. At the same time, the external motor is turned on to rotate the motor shaft 7, and the motor shaft 7 drives the supporting rotating rod 2 to rotate synchronously. The supporting rotating rod 2 drives the rotating grinding disc 6 to rotate synchronously. The surface of the battery pack shell can be polished by rotating the rotating grinding disc 6, and the grinding disc protective cover 3 covers the rotating grinding disc 6, thereby preventing safety accidents caused by accidental touch.

[0032] Example 2:

[0033] The difference from Example 1 is that the regular hexagonal ring plate of the residue extraction tube 4 can also be set as a regular heptagonal ring plate, so that the residue extraction tube 4 can only be rotated by a special tool that cooperates with the regular heptagonal ring plate, preventing non-staff from rotating and disassembling the residue extraction tube 4.

[0034] Example 3:

[0035] The difference from Example 1 is that the regular hexagonal groove of the grinding plate locking column 5 can also be set as a regular heptagonal groove, so that the grinding plate locking column 5 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and disassembling the grinding plate locking column 5.

Claims

1. A battery pack shell surface polishing device, characterized in that: The invention comprises a device body (1); the device body (1) is provided with a supporting rotating rod (2), the top end face of the supporting rotating rod (2) is provided with a regular hexagonal prism, the bottom end face of the supporting rotating rod (2) is provided with a fixed column, the bottom end face of the fixed column of the supporting rotating rod (2) is provided with a regular hexagonal blind hole, the upper front wall of the regular hexagonal blind hole of the supporting rotating rod (2) is provided with a threaded hole that passes through the front and back, a grinding plate protective cover (3) is installed on the fixed column of the supporting rotating rod (2) through a bearing, the grinding plate protective cover (3) is a truncated cone cover structure as a whole, a bearing hole that passes through the grinding plate protective cover (3) is provided in the center thereof, and a threaded hole that passes through the grinding plate protective cover (3) is provided behind the bearing hole.

2. A battery pack shell surface polishing device according to claim 1, characterized in that: A residue extraction pipe (4) is installed at the top of the threaded hole inside the grinding plate protective cover (3), a regular hexagonal ring plate is provided on the outer circumference of the bottom of the residue extraction pipe (4), and a thread is provided on the outer circumference of the lower end of the residue extraction pipe (4).

3. The battery pack shell surface polishing device according to claim 1, characterized in that: A grinding disc locking column (5) is installed inside the threaded hole of the bearing rotating rod (2), a thread is provided on the outer circumference of the grinding disc locking column (5), and a regular hexagonal groove is provided on the front end surface of the grinding disc locking column (5).

4. A battery pack shell surface polishing device as claimed in claim 3, characterized in that: A rotating grinding plate (6) is inserted into the regular hexagonal blind hole supporting the rotating rod (2). The rotating grinding plate (6) is a truncated cone structure as a whole. A regular hexagonal prism in the vertical direction is provided at the center of the top end face of the rotating grinding plate (6).

5. A battery pack shell surface polishing device as claimed in claim 4, characterized in that: The regular hexagonal prism supporting the rotating rod (2) is sleeved with a motor shaft (7), a regular hexagonal blind hole is provided on the bottom end surface of the motor shaft (7), and a thread is provided on the outer circumference of the motor shaft (7).

6. A battery pack shell surface polishing device as claimed in claim 5, characterized in that: An anti-dropout locking cylinder (8) is installed on the outer circumference of the motor shaft (7) via a thread, and a thread is provided on the inner circumference of the anti-dropout locking cylinder (8).

7. A battery pack shell surface polishing device as claimed in claim 6, characterized in that: An anti-slip ring plate is provided on the inner circumference of the bottom of the anti-slip locking cylinder (8), and a regular hexagonal structure is provided on the outer circumference of the anti-slip locking cylinder (8).