Steel shell battery sealing nail welding detection equipment

By introducing AOI and 3D inspection components into the production of steel-cased batteries, and using CCD cameras and host computers to automatically detect weld height and coaxiality, the problems of low efficiency and difficulty in standardizing manual quality inspection have been solved, achieving efficient and uniform inspection results.

CN223679091UActive Publication Date: 2025-12-16GUANGDONG DONGBO AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202423146847.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-16
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In the current technology, during the production of steel-cased batteries, the manual quality inspection after the sealing nails are welded is inefficient and the testing standards are difficult to standardize, resulting in defective products being released.

Method used

The equipment includes a conveying component, an AOI inspection component, and a 3D inspection component. It uses a CCD camera and a host computer to inspect the weld height and coaxiality, thereby achieving automated inspection and standardized inspection.

Benefits of technology

It improves testing efficiency, saves labor costs, ensures consistency of testing standards, and reduces the outflow rate of defective products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223679091U_ABST
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Abstract

The utility model belongs to the technical field of equipment for steel shell battery production, and particularly relates to steel shell battery sealing nail welding detection equipment which comprises a conveying assembly, an AOI detection assembly and a 3D detection assembly. The AOI detection assembly and the 3D detection assembly are sequentially arranged beside the conveying assembly in the conveying direction of the sliding table, the AOI detection assembly comprises a first CCD camera and a first host, and the 3D detection assembly comprises a second CCD camera and a second host. The work of manual carrying and transferring in the two detection steps is saved, the labor cost is saved, the detection efficiency is improved, the unification of the detection standards is realized by presetting the alignment groups meeting the quality inspection standards in the databases of the first host and the second host, and then the situation that defective products flow out is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the equipment for steel shell battery production, especially relates to a steel shell battery sealing nail welding detection equipment. BACKGROUND

[0002] When producing the steel shell battery, after welding the sealing nail at the liquid injection port, the defective products are screened out by artificial quality inspection, but the artificial quality inspection has the problems of low operation efficiency and difficult unified detection standard, which can easily lead to the defective products flowing out. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of steel shell battery sealing nail welding detection equipment, to solve the technical problems of low operation efficiency and difficult unified detection standard in prior art.

[0004] To achieve the above object, a kind of steel shell battery sealing nail welding detection equipment provided by the utility model embodiment, including conveying assembly, AOI detection component and 3D detection component, the conveying assembly is equipped with several sliding tables, the top of the sliding table is equipped with the detection receiving table for placing steel shell battery, the AOI detection component, the 3D detection component is sequentially arranged at the side of the conveying assembly along the conveying direction of the sliding table, the AOI detection component includes first CCD camera and first host computer, the first CCD camera is towards the detection receiving table, and the image photographed is transmitted to the first host computer, the first host computer can analyze the parameter of weld height, the 3D detection component includes second CCD camera and second host computer, the second CCD camera is towards the detection receiving table, and the image photographed is transmitted to the second host computer, and the second host computer can analyze the parameter of coaxiality of liquid injection port and sealing nail.

[0005] Optionally, the detection receiving table includes jig and clamp, the jig is fixed to the top of the sliding table, and a material groove for placing steel shell battery is formed, the clamp is slidably arranged on the sliding table and has a claw for acting on the side of steel shell battery.

[0006] Optionally, further including guide rail arranged on the sliding table, and the bottom of the clamp is slidably connected with the sliding table through the guide rail.

[0007] Optionally, further including air cylinder and elastic member, the sliding table is provided with first limiting plate at one end of the clamp away from the jig, one end of the elastic member abuts against the first limiting plate, and the other end abuts against the clamp, the elastic member can continuously provide the elastic force for the clamp to slide towards the end close to the jig, the sliding table is provided with second limiting plate at the end of the clamp close to the jig, the clamp extends outwardly and is provided with assembly plate for mounting cylinder body of air cylinder, the piston rod of the air cylinder abuts against the second limiting plate and can drive the clamp to slide away from the jig.

[0008] Optionally, the claw is provided with a trapezoidal notch at one end close to the jig.

[0009] Optionally, the claw comprises a hardware connected with the clamp, and a soft protective sleeve wrapped outside the hardware.

[0010] Optionally, the first hanging bracket is provided at the side of the conveying assembly and is provided at the top end with a first Z-axis linear module capable of lifting along the Z-axis, and the first CCD camera is fixed on the first Z-axis slider.

[0011] Optionally, the first assembly seat is provided at the side of the conveying assembly and is provided at the top end with a first Y-axis linear module capable of sliding along the Y-axis, and the first Y-axis slider is provided at the top end with a second Z-axis linear module capable of lifting along the Z-axis, and the second Z-axis slider is provided at the top end with a first calibration plate.

[0012] Optionally, the second hanging bracket is provided at the side of the conveying assembly and is provided at the top end with a third Z-axis linear module capable of lifting along the Z-axis, and the second CCD camera is fixed on the third Z-axis slider.

[0013] Optionally, the second assembly seat is provided at the side of the conveying assembly and is provided at the top end with a second Y-axis linear module capable of sliding along the Y-axis, and the second Y-axis slider is provided at the top end with a fourth Z-axis linear module capable of lifting along the Z-axis, and the fourth Z-axis slider is provided at the top end with a second calibration plate.

[0014] The working principle of the utility model is: the steel shell battery to be detected is placed in the detection receiving table, the steel shell battery is first passed through the first CCD camera by the slide table, the image is transmitted to the first host computer, the first host computer compares the image with the product weld height qualified parameters in the database, and then the information whether the steel shell battery is qualified after welding is obtained, then the second CCD camera is passed through, the image is transmitted to the second host computer, the second host computer compares the image with the coaxiality qualified parameters of the product injection port and the sealing nail in the database, and then the information whether the steel shell battery is qualified after welding is obtained.

[0015] Compared with the prior art, the beneficial effects of the utility model are that: the steel shell battery to be detected is driven by the sliding table of the conveying assembly to pass through the AOI detection assembly and the 3D detection assembly in turn, and then the detection work of the weld height and the coaxiality is completed, the work of manual carrying and transferring in two detection steps is saved, personnel cost is saved and detection efficiency is improved, the alignment group meeting the quality inspection standard is preset in the database of the first host and the second host to realize the unity of detection standards, and then the situation of defective product outflow is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor of the ordinary skilled in the art.

[0017] Figure 1 The structural schematic diagram of the steel shell battery sealing nail welding detection equipment provided by the embodiments of the utility model.

[0018] Figure 2 For Figure 1 The local enlarged view of A in the middle.

[0019] In the drawings, various reference signs mean:

[0020] 1-conveying assembly, 11-sliding table, 12-detection receiving table, 121-jig, 122-clamp, 123-claw, 124-guide rail, 125-cylinder, 126-elastic member, 127-first limiting plate, 128-second limiting plate, 129-assembly plate;

[0021] 2-first CCD camera;

[0022] 3-second CCD camera;

[0023] 4-first suspension support, 41-first Z-axis linear module;

[0024] 5-first assembly seat, 51-first Y-axis linear module, 52-second Z-axis linear module, 53-first L-shaped placement plate;

[0025] 6-second suspension support, 61-third Z-axis linear module;

[0026] 7-second assembly seat, 71-second Y-axis linear module, 72-fourth Z-axis linear module, 73-second L-shaped placement plate. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0028] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the embodiments of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0029] In addition, the terms "first", "second" are only used for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] In the embodiments of the present application, unless otherwise specifically defined 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 mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0031] In one embodiment of the present application, as Figures 1-2As shown, a steel shell battery sealing nail welding detection device is provided, which comprises a conveying assembly 1, an AOI detection assembly and a 3D detection assembly, the conveying assembly 1 is provided with a plurality of sliding tables 11, the top of the sliding table 11 is provided with a detection receiving table 12 for placing a steel shell battery, the AOI detection assembly and the 3D detection assembly are sequentially arranged on the side of the conveying assembly 1 along the conveying direction of the sliding table 11, the AOI detection assembly comprises a first CCD camera 2 and a first host, the first CCD camera 2 faces the detection receiving table 12 and transmits the photographed image to the first host, the first host can analyze the parameters of the weld height, the 3D detection assembly comprises a second CCD camera 3 and a second host, the second CCD camera 3 faces the detection receiving table 12 and transmits the photographed image to the second host, and the second host can analyze the parameters of the coaxiality of the liquid injection port and the sealing nail. Specifically, the first host and the second host respectively comprise a receiver for receiving an image, an image processor and a database, the CCD camera transmits the photographed image to the receiver, compares with the qualified control group in the database, and the image processor draws a conclusion whether the product is qualified according to the comparison result.

[0032] In an embodiment of the utility model, the detection receiving table 12 includes a jig 121 and a clamp 122, the jig 121 is fixed on the top of the sliding table 11 and is provided with a material groove for placing a steel shell battery, and the clamp 122 is slidably arranged on the sliding table 11 and has a claw 123 acting on the side of the steel shell battery. The claw 123 acts on the steel shell battery, so that one end of the steel shell battery can be exposed outside the material groove, facilitating the taking and placing of the steel shell battery. The claw 123 is in L shape, the vertical section of the claw 123 is fixedly connected with the sliding table 11, and the horizontal section is lower than the end surface of the steel shell battery.

[0033] In an embodiment of the utility model, the clamp 122 is slidably connected with the sliding table 11 through the guide rail 124 on the sliding table 11. The stability of the sliding table 11 is improved.

[0034] In one embodiment of the utility model, still include cylinder 125 and elastic piece 126, the first limit board 127 is equipped with in the one end of clamp 122 away from the jig 121 of slide platform 11, one end of elastic piece 126 is with first limit board 127, the other end is with clamp 122, elastic piece 126 can continuously provide the elastic force of the clamp 122 to the one end sliding close to jig 121, the second limit board 128 is equipped with in the one end of clamp 122 close to jig 121 of slide platform 11, the assembly plate 129 that cylinder 125's cylinder installs is extended outward with clamp 122, the piston rod of cylinder 125 is with second limit board 128, can drive clamp 122 to the one end sliding away from jig 121. Specifically, cylinder 125 is cylindrical miniature cylinder 125, spring is elastic piece 126, clamp 122 and first limit board 127 are respectively equipped with the recess for spring insertion in the one end close to spring, when taking and placing steel shell battery, the piston rod of cylinder 125 ejects, and second limit board 128 is in abutment, the cylinder of cylinder 125 drives clamp 122 to the one end sliding away from jig 121, at this time, spring is compressed, when the piston rod of cylinder 125 retracts, spring restores, drive clamp 122 to the one end sliding close to jig 121, to realize the effect of clamping steel shell battery.

[0035] In one embodiment of the utility model, the gripper 123 is provided with a trapezoidal notch at the end close to the jig 121.

[0036] In one embodiment of the utility model, the gripper 123 includes a hardware connected to the clamp 122, and a soft protective sleeve wrapped around the outer surface of the hardware. The soft protective sleeve is formed on the outer surface of the hardware by silicone injection molding, to avoid scratching the product during clamping or loosening.

[0037] In one embodiment of the utility model, it further includes a first suspension bracket 4, the first suspension bracket 4 is arranged beside the conveying assembly 1, and a first Z-axis linear module 41 is arranged at the top end of the conveying assembly 1. The first Z-axis linear module 41 has a first Z-axis sliding block that can move up and down along the Z-axis. The first CCD camera 2 is fixed to the first Z-axis sliding block.

[0038] In an embodiment of the utility model, still include first assembly seat 5, first assembly seat 5 is located in the side of conveying assembly 1, top is equipped with first Y axis linear module 51, first Y axis linear module 51 has the first Y axis slider that can slide along Y axis, be equipped with second Z axis linear module 52 on first Y axis slider, second Z axis linear module 52 has the second Z axis slider that can lift along Z axis, be equipped with first calibration plate on second Z axis slider, specifically, the sliding table 11 of conveying assembly 1 transports product along X axis, first L-shaped placing plate 53 is outwardly extended on second Z axis slider, first calibration plate is fixedly connected with first L-shaped placing plate 53 through screw, before detection work is carried out, using first Y axis linear module 51 and second Z axis linear module 52 drive first calibration plate to move to the below of first CCD camera 2, determine the interrelation between space object coordinate system and its in image pixel coordinate system, and then improve the precision of detection.

[0039] In an embodiment of the utility model, still include second suspension support 6, second suspension support 6 is located in the side of conveying assembly 1, top is equipped with third Z axis linear module 61, third Z axis linear module 61 has the third Z axis slider that can lift along Z axis, second CCD camera 3 is fixed with third Z axis slider.

[0040] In an embodiment of the utility model, still include second assembly seat 7, second assembly seat 7 is located in the side of conveying assembly 1, top is equipped with second Y axis linear module 71, second Y axis linear module 71 has the second Y axis slider that can slide along Y axis, be equipped with fourth Z axis linear module 72 on second Y axis slider, fourth Z axis linear module 72 has the fourth Z axis slider that can lift along Z axis, be equipped with second calibration plate on fourth Z axis slider, second L-shaped placing plate 73 is outwardly extended on fourth Z axis slider, second calibration plate is fixedly connected with second L-shaped placing plate 73 through screw, before detection work is carried out, using second Y axis linear module 71 and fourth Z axis linear module 72 drive second calibration plate to move to the below of second CCD camera 3, determine the interrelation between space object coordinate system and its in image pixel coordinate system, and then improve the precision of detection.

[0041] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, any modification, equivalent replacement and improvement etc. that are made within the spirit and principle of the utility model should include in the protection scope of the utility model.

Claims

1. A welding inspection device for sealing nails on steel-cased batteries, characterized in that: The system includes a conveying assembly, an AOI (Automated Optical Inspection) assembly, and a 3D inspection assembly. The conveying assembly has several sliding tables, and the top of each sliding table has an inspection receiving platform for placing a steel-cased battery. The AOI and 3D inspection assemblies are sequentially arranged beside the conveying assembly along the conveying direction of the sliding tables. The AOI assembly includes a first CCD camera and a first host. The first CCD camera faces the inspection receiving platform and transmits the captured image to the first host. The first host can analyze parameters related to the weld height. The 3D inspection assembly includes a second CCD camera and a second host. The second CCD camera faces the inspection receiving platform and transmits the captured image to the second host. The second host can analyze parameters related to the coaxiality of the injection port and the sealing nail.

2. The steel-cased battery sealing nail welding inspection equipment according to claim 1, characterized in that: The testing platform includes a fixture and a clamp. The fixture is fixed to the top of the slide table and has a groove for placing steel-cased batteries. The clamp is slidably disposed on the slide table and has a gripper that acts on the side of the steel-cased battery.

3. The steel-cased battery sealing nail welding inspection equipment according to claim 2, characterized in that: It also includes a guide rail disposed on the slide table, and the bottom of the clamp is slidably connected to the slide table through the guide rail.

4. The steel-cased battery sealing nail welding inspection equipment according to claim 3, characterized in that: It also includes a cylinder and an elastic element. The slide has a first limiting plate at the end of the clamp away from the fixture. One end of the elastic element abuts against the first limiting plate and the other end abuts against the clamp. The elastic element can continuously provide the clamp with an elastic force to slide towards the end closer to the fixture. The slide has a second limiting plate at the end of the clamp closer to the fixture. The clamp extends outward with an assembly plate for mounting the cylinder body. The piston rod of the cylinder abuts against the second limiting plate and can drive the clamp to slide towards the end away from the fixture.

5. The steel-cased battery sealing nail welding inspection equipment according to claim 2, characterized in that: The gripper has a trapezoidal notch at one end near the fixture.

6. The steel-cased battery sealing nail welding inspection equipment according to claim 2, characterized in that: The gripper includes a hardware component connected to the clamp and a soft protective sleeve covering the outer surface of the hardware component.

7. The steel-cased battery sealing nail welding inspection equipment according to claim 1, characterized in that: It also includes a first suspension bracket, which is located beside the conveying assembly and has a first Z-axis linear module at its top. The first Z-axis linear module has a first Z-axis slider that can move up and down along the Z-axis, and the first CCD camera is fixed to the first Z-axis slider.

8. The steel-cased battery sealing nail welding inspection equipment according to claim 7, characterized in that: It also includes a first mounting base, which is located beside the conveying assembly and has a first Y-axis linear module at its top. The first Y-axis linear module has a first Y-axis slider that can slide along the Y-axis. The first Y-axis slider has a second Z-axis linear module. The second Z-axis linear module has a second Z-axis slider that can rise and fall along the Z-axis. The second Z-axis slider has a first calibration plate.

9. The steel-cased battery sealing nail welding inspection equipment according to claim 1, characterized in that: It also includes a second suspension bracket, which is located beside the conveying assembly and has a third Z-axis linear module at its top. The third Z-axis linear module has a third Z-axis slider that can move up and down along the Z-axis, and the second CCD camera is fixed to the third Z-axis slider.

10. The steel-cased battery sealing nail welding inspection equipment according to claim 9, characterized in that: It also includes a second mounting base, which is located beside the conveying assembly and has a second Y-axis linear module at its top. The second Y-axis linear module has a second Y-axis slider that can slide along the Y-axis. The second Y-axis slider has a fourth Z-axis linear module. The fourth Z-axis linear module has a fourth Z-axis slider that can rise and fall along the Z-axis. The fourth Z-axis slider has a second calibration plate.