A battery case processing system and a feeding method

Abstract

The application discloses a battery shell processing system, comprising: a feeding device for conveying a material belt for battery shell processing; a flaw detection device corresponding to the feeding device so that the head of the flaw detection device can face the material belt, the flaw detection device being used for detecting the material belt; and a control system electrically connected with the feeding device and the flaw detection device, the control system being used for receiving flaw detection information of the flaw detection device and controlling the conveying speed of the feeding device based on the flaw detection information. The application can improve the processing quality of the battery shell.

Description

Technical Field

[0001] The present invention relates to the technical field of battery shells, and in particular to a battery shell processing system and a feeding method. Background Art

[0002] Battery case steel is a cold-rolled product specifically designed for stamping battery inner shells and is a typical stamping material. Battery case steel has stringent requirements for material properties, internal quality, thickness accuracy, and surface finish. Furthermore, it is highly personalized, primarily manifesting in the following: For each individual steel shell, surface quality requirements are extremely high; defects such as sand holes and wire drawing are unacceptable. Since the battery steel shell industry relies on stable mass production, stamping efficiency is a key quality metric for users. Frequent die changes and downtime are factors of dissatisfaction. It is impossible to inspect each battery shell after it is stamped. Corrosion perforation after electrolyte encapsulation will result in mass returns, resulting in losses not only in the cost of the steel but also in the cost of producing the battery. This high-quality product, coupled with the large-scale steel production organization, has even higher requirements than automotive exterior panels. Therefore, stable mass production presents a challenge to consistent quality management.

[0003] Battery steel casing defects can arise from a variety of sources, including surface and internal flaws in the raw materials and defects in the stamping process. The surface quality of the material is affected by the surface quality at the factory, as well as by intermediate processing and distribution steps, storage, and usage conditions. The fact that the same defect can be referred to differently at different stages of the process hinders investigation and analysis of product defects. Summary of the Invention

[0004] The present invention provides a battery shell processing system, which can improve the processing quality of the battery shell.

[0005] In order to solve the above technical problems, the present invention provides a battery shell processing system, comprising:

[0006] A feeding device for conveying material strips for battery shell processing;

[0007] a flaw detection device, arranged corresponding to the feeding device so that the head of the flaw detection device can face the material strip, and the flaw detection device is used to detect the material strip;

[0008] A control system is electrically connected to the feeding device and the flaw detection device, and is used to receive flaw detection information from the flaw detection device and control the conveying speed of the feeding device based on the flaw detection information.

[0009] As a preferred embodiment of the above technical solution, the battery shell processing system further includes a stamping device, a stamping die is provided on the stamping device, and a set distance is provided between the stamping device and the flaw detection device.

[0010] As a preferred embodiment of the above technical solution, the flaw detection device is an X-ray flaw detector, and the X-ray flaw detector is arranged on the feeding device.

[0011] As a preferred embodiment of the above technical solution, the X-ray flaw detector is installed on a mounting bracket, and the mounting bracket is detachably connected to the feeding device.

[0012] As a preferred embodiment of the above technical solution, the feeding device is a servo feeder, and the servo feeder includes a servo motor, and the servo motor is electrically connected to the control system.

[0013] As a preferred embodiment of the above technical solution, the servo feeder further includes a conveying roller, the servo motor is connected to the conveying roller, the servo motor is used to drive the conveying roller to rotate, and the conveying roller is used to clamp the surface of the material strip.

[0014] As a preferred embodiment of the above technical solution, the battery shell processing system further includes a support guide frame, which is used to support and guide the material strip, and the height of the support guide frame corresponds to the height of the feeding device.

[0015] As a preferred embodiment of the above technical solution, the battery shell processing system also includes a material strip loading device.

[0016] As a preferred embodiment of the above technical solution, the control system includes a feeding control unit, which is electrically connected to the servo motor and used to control the speed of the servo motor. The control system also includes an information processing unit, which is electrically connected to the X-ray flaw detector and used to receive the flaw detection image of the X-ray flaw detector. The information processing unit is electrically connected to the display device and used to control the display device to display the flaw detection image.

[0017] Another aspect of the present invention further provides a feeding method, comprising:

[0018] Obtain the defect position of the material strip based on the flaw detection device;

[0019] Obtain the set distance between the flaw detection device and the processing equipment;

[0020] Obtaining a first feeding speed of the feeding device;

[0021] Calculating a first set time required for the feeding device to transmit a set distance based on the first feeding speed;

[0022] Obtaining the second set time required for processing a single part by a processing device;

[0023] Calculating and obtaining, based on the second set time, a second feeding speed required to move the defect position through the processing equipment within the second set time;

[0024] After a first set time has passed, the feeding device is controlled to change the feeding speed to feed the material at a second feeding speed;

[0025] After the defective position of the material strip passes through the processing equipment, the feeding device is controlled to return to the first feeding speed.

[0026] The present invention provides a battery shell processing system, which includes a feeding device, a flaw detection device and a control system. The feeding device is used to convey the material strip required for processing the battery shell to the processing equipment, and the flaw detection device is used to detect the battery shell material strip. When the flaw detection device is working, it is facing the surface of the material strip. When working, the feeding device normally feeds the material to the processing equipment for processing. When the flaw detection device detects a defect in the material strip, the control system controls the feeding speed, so that when the defective position of the material strip reaches the processing equipment, it can pass through the processing equipment more quickly, and can avoid processing the defective position of the processing equipment. Therefore, it can improve the quality of battery shell processing and improve the product qualification rate.

[0027] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are specifically listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic structural diagram of a battery shell processing system according to an embodiment of the present invention is shown;

[0029] Figure 2 A schematic structural diagram of a control system according to an embodiment of the present invention is shown;

[0030] Figure 3 A schematic flow chart of a feeding method in an embodiment of the present invention is shown;

[0031] In the figure: 10, stamping equipment; 20, flaw detection device; 30, feeding device; 40, support guide frame; 50, loading device; 60, display device; 101, feeding control unit; 102, information processing unit; 201, mounting bracket; 301, conveying roller. DETAILED DESCRIPTION

[0032] In order to make the purposes, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0033] See also Figure 1 and Figure 2 , an embodiment of the present invention provides a battery shell processing system, comprising:

[0034] A feeding device 30 for conveying a material strip 200 for processing a battery shell;

[0035] The flaw detection device 20 is arranged corresponding to the feeding device 30 so that the head of the flaw detection device 20 can face the material strip 200, and the flaw detection device 20 is used to detect the material strip 200;

[0036] The control system 100 is electrically connected to the feeding device 30 and the flaw detection device 20 . The control system 100 is used to receive flaw detection information from the flaw detection device 20 and control the conveying speed of the feeding device 30 based on the flaw detection information.

[0037] This embodiment provides a battery shell processing system, which includes a feeding device 30, a flaw detection device 20 and a control system 100. The feeding device 30 is used to convey the material strip 200 required for processing the battery shell to the processing equipment, and the flaw detection device 20 is used to detect the material strip 200 of the battery shell. When the flaw detection device 20 is working, it is facing the surface of the material strip 200. When working, the feeding device 30 normally feeds the material to the processing equipment for processing. When the flaw detection device 20 detects defects in the material strip, the control system controls the feeding speed, so that when the defective position of the material strip reaches the processing equipment, it can pass through the processing equipment more quickly, and can avoid processing the defective position of the processing equipment. Therefore, it can improve the quality of battery shell processing and improve the product qualification rate.

[0038] In addition, the material of the material strip 200 in this embodiment can be based on the requirements of the battery shell. The material strip 200 in this embodiment can be made of steel.

[0039] In a further possible implementation of this embodiment, the battery shell processing system further includes a stamping device 10 , on which a stamping die is provided, and a set distance is provided between the stamping device 10 and the flaw detection device 20 .

[0040] The processing equipment in this embodiment uses a stamping device 10, which is used to stamp the material strip 200. The material strip 200 can be stamped and cut into circular blanks, which can then be processed to form a battery shell.

[0041] In this embodiment, the use of stamping equipment for cutting can make cutting simple and convenient. In addition, the use of stamping equipment 10 for stamping and cutting can facilitate the control of the feeding speed so that the defective position can pass through the stamping equipment 10 within the single stamping time interval because the time of a single stamping is more fixed and the time interval of a single stamping is relatively long and fixed.

[0042] In a further feasible embodiment of this embodiment, the flaw detection device 30 is an X-ray flaw detector, which is disposed on the feeding device 30 .

[0043] The flaw detection device 30 in this embodiment uses an X-ray flaw detector to detect internal defects of the material strip 200, such as accurately detecting internal defects such as sand holes and wiredrawing.

[0044] In a further feasible embodiment of this embodiment, the X-ray flaw detector is mounted on a mounting bracket 201 , and the mounting bracket 201 is detachably connected to the feeding device 30 .

[0045] The X-ray flaw detector in this embodiment is installed on the mounting bracket 201, which can facilitate the X-ray flaw detector to be facing the material belt 200.

[0046] In a further embodiment of the present invention, the feeding device 30 is a servo feeder. The servo feeder includes a servo motor. The servo motor is electrically connected to the control system 100 .

[0047] The feeding device 30 in this embodiment is a servo feeder, which can facilitate the control of the feeding speed.

[0048] In a further embodiment of the present invention, the servo feeder further includes a conveying roller 301 , a servo motor is connected to the conveying roller 301 , the servo motor is used to drive the conveying roller 301 to rotate, and the conveying roller 301 is used to clamp the surface of the material belt 200 .

[0049] The servo motor in this embodiment is connected to the conveying roller 301, and the conveying roller 301 is used to clamp the surface of the material belt 200, so its conveying is more accurate, which facilitates improving the accuracy of feeding.

[0050] In a further embodiment of the present invention, the battery shell processing system further includes a support guide frame 40 , which is used to support the guide material belt 200 , and the height of the support guide frame 40 corresponds to the height of the feeding device 30 .

[0051] The support guide frame 40 of this embodiment is used to support and guide the material belt 200 so that feeding can be smoother. Furthermore, the height of the support guide frame 40 in this embodiment corresponds to the height of the feeding device 30 so that the material belt 200 is at a set height, further improving the smoothness of feeding.

[0052] The support guide frame 40 in this embodiment is a roller-type support frame.

[0053] In a further embodiment of the present invention, the battery case processing system further includes a loading device 50 for the material strip 200 .

[0054] In a further embodiment of this embodiment, the control system 100 includes a feeding control unit 101, which is electrically connected to the servo motor and is used to control the speed of the servo motor. The control system 100 also includes an information processing unit 102, which is electrically connected to the X-ray flaw detector and is used to receive the flaw detection image of the X-ray flaw detector. The information processing unit 102 is electrically connected to the display device 60 and is used to control the display device 60 to display the flaw detection image.

[0055] The control system 100 in this embodiment can realize automatic material loading control. In addition, the display device 60 in this embodiment displays the flaw detection image, which can facilitate the operator to identify the flaw detection status of the material strip 200.

[0056] See also Figure 3 , this embodiment also provides a feeding method, including:

[0057] Step 501: Obtaining defect locations of the material strip using a flaw detection device;

[0058] Step 502: Obtaining a set distance between the flaw detection device and the processing equipment;

[0059] Step 503: Acquire a first feeding speed of the feeding device;

[0060] Step 504: Calculate a first set time required for the feeding device to transmit the set distance based on the first feeding speed;

[0061] Step 505: Obtaining a second set time required for the processing equipment to process a single part;

[0062] Step 506: Calculating and obtaining a second feeding speed required to move the defect position through the processing equipment within the second set time based on the second set time;

[0063] Step 507: After the first set time has passed, the feeding device is controlled to change the feeding speed to feed the material at a second feeding speed;

[0064] Step 508: After the defective position of the material strip passes through the processing equipment, the feeding device is controlled to return to the first feeding speed.

[0065] The present embodiment provides a feeding method that can automatically complete feeding so as to avoid processing defective positions of the material strip that has fallen off.

[0066] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless otherwise inconsistent.

[0067] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0068] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A battery shell processing system, characterized in that: include: A feeding device for conveying material strips for battery shell processing; The feeding device has a first feeding speed for normally feeding the material to the processing equipment for processing; The feeding device has a second feeding speed required to pass the defect position through the processing equipment within a second set time, and the second set time is the time required for the processing equipment to process a single part; a flaw detection device, arranged corresponding to the feeding device so that the head of the flaw detection device can face the material strip, and the flaw detection device is used to detect the material strip; a control system electrically connected to the feeding device and the flaw detection device, the control system being configured to receive flaw detection information from the flaw detection device and control a conveying speed of the feeding device based on the flaw detection information; The feeding device is a servo feeder, which includes a servo motor, and the servo motor is electrically connected to the control system; The control system includes a feeding control unit, which is electrically connected to the servo motor and is used to control the speed of the servo motor; the control system also includes an information processing unit, the flaw detection device is an X-ray flaw detector, and the X-ray flaw detector is provided on the feeding device. The information processing unit is electrically connected to the X-ray flaw detector and is used to receive the flaw detection image of the X-ray flaw detector; The processing equipment is a stamping equipment, a stamping die is provided on the stamping equipment, a set distance is set between the stamping equipment and the flaw detection device, and a first set time is required for the feeding device to transmit the set distance at a first feeding speed; When the flaw detection device detects the defect position of the material strip, the control system controls the feeding speed: after a first set time, the feeding device is controlled to change the feeding speed to feed the material at a second feeding speed; after the defect position of the material strip passes through the processing equipment, the feeding device is controlled to return to the first feeding speed.

2. The battery shell processing system according to claim 1, characterized in that: The X-ray flaw detector is mounted on a mounting bracket, and the mounting bracket is detachably connected to the feeding device.

3. The battery shell processing system according to claim 1, characterized in that: The servo feeder further includes a conveying roller, the servo motor is connected to the conveying roller, the servo motor is used to drive the conveying roller to rotate, and the conveying roller is used to clamp the surface of the material belt.

4. The battery shell processing system according to claim 1, characterized in that: The battery shell processing system also includes a support guide frame, which is used to support and guide the material strip, and the height of the support guide frame corresponds to the height of the feeding device.

5. The battery shell processing system according to claim 4, characterized in that: The battery shell processing system also includes a material strip loading device.

6. The battery shell processing system according to claim 1, characterized in that: The information processing unit is electrically connected to the display device, and the information processing unit is used to control the display device to display the flaw detection image.

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