Robot lithium battery tab welding device

By using a combination of cylinder and oblique nozzle hole design in the robot lithium battery electrode welding device to accelerate heat dissipation, and using the limit structure of arc-side pressure plate and spring to prevent the lithium battery from being offset, the problem of shortening the equipment life of high-temperature welding is solved. A more stable and safe welding process is achieved.

CN222359499UActive Publication Date: 2025-01-17CHENGDU JINQIA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421132452.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-17
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

During the electrode welding of robot lithium battery, high-temperature welding leads to the shortening of the service life of welding equipment.

Method used

A robotic lithium battery ear welding device including cylinder, cooling assembly and limit assembly is designed. The welding head is driven through the cylinder output end and air is sprayed out using the oblique spray hole to accelerate heat dissipation, combining the arc-side pressure plate and the limit of the spring. Designed to prevent lithium battery from being offset.

Benefits of technology

It effectively reduces the temperature of welding equipment, extends its service life, and ensures the stability and safety of the welding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of robot lithium battery tab welding, and particularly relates to a robot lithium battery tab welding device which comprises a base, a top plate is arranged on the top of the base, a plurality of supporting columns are fixedly connected to the top of the base, and the top plate is fixedly connected to the tops of the supporting columns. During welding, the output end of the air cylinder drives the connecting box to move downwards, so that the welding head is driven to move downwards for welding, meanwhile, the piston rod of the air cylinder does not move, but the other parts move downwards, and after welding, the output end of the air cylinder drives the connecting box to move upwards, the piston of the connecting pipe is fixed, and the other parts move upwards. Therefore, the piston moves downwards relative to the other part of the air cylinder to inflate, air is extruded into the connecting box from the interior of the air cylinder through the connecting pipe and then is sprayed out of the inclined spraying holes to face the welding head, the flow speed of the air around the welding head is increased, and the air can exchange heat with the air in a replaceable mode.
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Description

Technical Field

[0001] The utility model relates to the field of robot lithium battery tab welding, in particular to a robot lithium battery tab welding device. Background Art

[0002] Robot lithium battery is the lithium battery used in robots. Lithium batteries are divided into positive and negative electrodes. The tabs are metal conductors that lead the positive and negative electrodes from the battery core. Generally speaking, the tabs of the positive and negative poles of the battery are the contact points during charging and discharging. During the production and processing, the tabs used for the battery electrodes need to be welded to the lithium battery, and a tab welding device is needed at this time.

[0003] In actual use by personnel in this field, the tab welding is carried out through high-temperature welding, so the temperature of the welding equipment is high after welding. Long-term high-temperature use may affect the service life of the welding equipment; therefore, a robot lithium battery tab welding device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art and solve the problem that high-temperature welding is used for ear welding, the temperature of the welding equipment is high after welding, and long-term high-temperature use may affect the service life of the welding equipment, the utility model proposes a robot lithium battery ear welding device.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a robot lithium battery tab welding device described in the utility model includes a base, a top plate is arranged on the top of the base, a plurality of pillars are fixedly connected to the top of the base, the top plate is fixedly connected to the top of the pillars, a cylinder is fixedly connected to the top of the top plate, the output end of the cylinder extends to the bottom of the top plate, a cooling component is arranged on the output end of the cylinder, a welding head is fixedly connected to the bottom of the cooling component, a placement groove is opened on the top of the base, the placement groove is located below the welding head, and a limiting component is arranged inside the placement groove.

[0006] Preferably, the cooling component includes a connecting box, an air cylinder, a connecting pipe and a plurality of oblique spray holes, the connecting box is fixedly connected to the output end of the cylinder, the air cylinder is fixedly connected to the top of the connecting box, and the piston rod of the air cylinder is fixedly connected to the bottom of the top plate, the connecting pipe is connected to the output end of the air cylinder, and the connecting pipe is connected to the connecting box, and the plurality of oblique spray holes are evenly arranged at the bottom of the connecting box.

[0007] Preferably, the limiting assembly includes a limiting groove, an arc edge pressure plate and two springs, the limiting groove is connected to the placement groove, the arc edge pressure plate is slidably connected to the inside of the limiting groove, the two springs are symmetrically fixedly connected to the top of the arc edge pressure plate, and the springs are fixedly connected to the inner wall of the limiting groove.

[0008] Preferably, a through hole is opened inside the top plate, a guide rod is fixedly connected to the top of the connection box, and the guide rod is movably connected to the inside of the top plate through the through hole.

[0009] Preferably, the top of the guide rod is fixedly connected to a limiting plate.

[0010] Preferably, the interior of the limiting groove is connected with two symmetrically distributed slide grooves, and slide plates are fixedly connected to both sides of the arc edge pressure plate, and the slide plates are slidably connected to the interior of the slide grooves.

[0011] Preferably, a flexible pad is fixedly connected to the outside of the arc edge pressure plate, and the material of the flexible pad is rubber.

[0012] The utility model is beneficial in that:

[0013] 1. During welding, the output end of the cylinder drives the connection box to move downward, which drives the welding head to move downward for welding. At the same time, the piston rod of the cylinder does not move, but the rest of the parts move downward. After welding, the output end of the cylinder drives the connection box to move upward, while the piston of the connecting pipe is fixed, and the other parts move upward. In this way, the piston moves downward relative to the other parts of the cylinder to inflate. The air is squeezed from the inside of the cylinder through the connecting pipe to the inside of the connection box, and then sprayed out from the oblique spray hole and sprayed toward the welding head, thereby accelerating the air flow rate around the welding head, so that heat exchange with the air can be replaced, thereby better heat dissipation;

[0014] 2. The utility model places the robot lithium battery into the placement slot and pushes it toward the limiting slot. Due to the special arc surface design of the arc edge pressure plate, the battery contacts the arc surface when inserted, so that the battery can easily lift the arc edge pressure plate. The spring is compressed until it contacts the plane of the arc edge pressure plate. Then, under the action of the spring's restoring deformation force, the plane will press the lithium battery. This can limit the lithium battery and prevent the lithium battery from shifting during welding and affecting welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model from another direction;

[0018] Figure 3 This is a schematic diagram of the structure of the cooling component of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the limit assembly of the utility model.

[0020] In the figure: 1. base; 2. top plate; 3. support; 4. cylinder; 5. cooling component; 501. connection box; 502. air cylinder; 503. connection pipe; 504. inclined spray hole; 6. welding head; 7. placement groove; 8. limit assembly; 801. limit groove; 802. arc edge pressure plate; 803. spring; 9. guide rod; 10. limit plate; 11. slide groove; 12. slide plate; 13. flexible pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, a robot lithium battery tab welding device comprises a base 1, a top plate 2 is arranged on the top of the base 1, a plurality of pillars 3 are fixedly connected to the top of the base 1, the top plate 2 is fixedly connected to the top of the pillars 3, a cylinder 4 is fixedly connected to the top of the top plate 2, the output end of the cylinder 4 extends to the bottom of the top plate 2, a cooling component 5 is arranged on the output end of the cylinder 4, a welding head 6 is fixedly connected to the bottom of the cooling component 5, a placement groove 7 is opened on the top of the base 1, the placement groove 7 is located below the welding head 6, and a limit component 8 is arranged inside the placement groove 7;

[0023] During operation, when the device is used, the robot lithium battery is placed in the placement slot 7, and then limited by the limit assembly 8, and then the output end of the cylinder 4 drives the cooling assembly 5 to move downward, which will drive the welding head 6 to move downward for welding, and the cooling is carried out through the cooling assembly 5 while welding.

[0024] Further, the cooling component 5 includes a connection box 501, an air cylinder 502, a connection pipe 503 and a plurality of oblique spray holes 504, the connection box 501 is fixedly connected to the output end of the air cylinder 4, the air cylinder 502 is fixedly connected to the top of the connection box 501, and the piston rod of the air cylinder 502 is fixedly connected to the bottom of the top plate 2, the connection pipe 503 is connected to the output end of the air cylinder 502, and the connection pipe 503 is connected to the connection box 501, and the plurality of oblique spray holes 504 are evenly arranged at the bottom of the connection box 501;

[0025] During operation, the output end of the cylinder 4 drives the connecting box 501 to move downward, which will drive the welding head 6 to move downward for welding. At the same time, the piston rod of the air cylinder 502 does not move, but the rest of the parts move downward. After welding, the output end of the cylinder 4 drives the connecting box 501 to move upward, and at the same time, the piston of the connecting pipe 503 is fixed, while the other parts move upward. In this way, the piston moves downward relative to the other parts of the air cylinder 502 for inflating. The air is squeezed from the inside of the air cylinder 502 through the connecting pipe 503 to the inside of the connecting box 501, and then sprayed out from the inclined spray hole 504 and sprayed towards the welding head 6, thereby accelerating the air flow rate around the welding head 6, so that heat exchange with the air can be achieved.

[0026] Furthermore, the limiting assembly 8 includes a limiting groove 801, an arc edge pressure plate 802 and two springs 803. The limiting groove 801 is connected to the placement groove 7. The arc edge pressure plate 802 is slidably connected to the inside of the limiting groove 801. The two springs 803 are symmetrically fixedly connected to the top of the arc edge pressure plate 802, and the springs 803 are fixedly connected to the inner wall of the limiting groove 801.

[0027] During operation, the robot's lithium battery is placed inside the placement slot 7 and pushed toward the limiting slot 801. Due to the special curved surface design of the arc-edge pressure plate 802, the battery contacts the curved surface when inserted, so that the battery can easily lift the arc-edge pressure plate 802, so that the spring 803 is compressed until it contacts the plane of the arc-edge pressure plate 802. Then, under the action of the spring 803's restoring deformation force, the plane will press the lithium battery, so that the lithium battery can be limited.

[0028] Furthermore, a through hole is provided inside the top plate 2, and a guide rod 9 is fixedly connected to the top of the connection box 501, and the guide rod 9 is movably connected to the inside of the top plate 2 through the through hole;

[0029] During operation, the connection box 501 can move up and down more smoothly.

[0030] Furthermore, the top of the guide rod 9 is fixedly connected to a limit plate 10;

[0031] During operation, the limiting plate 10 can prevent the guide rod 9 from being separated from the top plate 2 .

[0032] Furthermore, the interior of the limiting groove 801 is connected to two symmetrically distributed slide grooves 11, and the two sides of the arc edge pressure plate 802 are fixedly connected with a slide plate 12, and the slide plate 12 is slidably connected to the interior of the slide groove 11;

[0033] During operation, the sliding plate 12 slidably connected to the inside of the sliding groove 11 makes the arc edge pressing plate 802 move more stably.

[0034] Furthermore, the outside of the arc edge pressure plate 802 is fixedly connected with a flexible pad 13, and the material of the flexible pad 13 is rubber;

[0035] During operation, the flexible pad 13 can be provided to prevent damage to the lithium battery.

[0036] Working principle: When the device is used, the robot lithium battery is placed inside the placement slot 7 and pushed toward the limiting slot 801. Due to the special arc surface design of the arc edge pressure plate 802, the battery contacts the arc surface when inserted, so that the battery can easily lift the arc edge pressure plate 802, so that the spring 803 is compressed until it contacts the plane of the arc edge pressure plate 802. Then, under the action of the spring 803 restoring deformation force, the plane will press the lithium battery, so that the lithium battery can be limited. When welding, place the pole ear inside the placement slot 7 and align it with the welding part on the lithium battery, and then the output end of the cylinder 4 drives the connection box 501 to move downward, which will drive the welding The joint 6 moves downward for welding, and at the same time, the piston rod of the air cylinder 502 does not move, but the rest of the parts move downward. After welding, the output end of the cylinder 4 drives the connecting box 501 to move upward, and at the same time, the piston of the connecting pipe 503 is fixed, while the other parts move upward. In this way, the piston moves downward relative to the other parts of the air cylinder 502 for inflating. The air is squeezed from the inside of the air cylinder 502 through the connecting pipe 503 to the inside of the connecting box 501, and then sprayed out from the inclined spray hole 504 and sprayed towards the welding head 6, thereby accelerating the air flow rate around the welding head 6, so that heat exchange with the air can be replaced, thereby better heat dissipation.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A robot lithium battery tab welding device, comprising a base (1), a top plate (2) being arranged on the top of the base (1), a plurality of pillars (3) being fixedly connected to the top of the base (1), the top plate (2) being fixedly connected to the top of the pillars (3), characterized in that: The top of the top plate (2) is fixedly connected to a cylinder (4), the output end of the cylinder (4) extends to the bottom of the top plate (2), the output end of the cylinder (4) is provided with a cooling component (5), the bottom of the cooling component (5) is fixedly connected to a welding head (6), the top of the base (1) is provided with a placement groove (7), the placement groove (7) is located below the welding head (6), and a limiting component (8) is provided inside the placement groove (7).

2. A robot lithium battery tab welding device according to claim 1, characterized in that: The cooling component (5) comprises a connecting box (501), an air cylinder (502), a connecting pipe (503) and a plurality of oblique spray holes (504); the connecting box (501) is fixedly connected to the output end of the air cylinder (4); the air cylinder (502) is fixedly connected to the top of the connecting box (501); the piston rod of the air cylinder (502) is fixedly connected to the bottom of the top plate (2); the connecting pipe (503) is connected to the output end of the air cylinder (502); the connecting pipe (503) is connected to the connecting box (501); and the plurality of oblique spray holes (504) are evenly arranged at the bottom of the connecting box (501).

3. A robot lithium battery tab welding device according to claim 1, characterized in that: The limiting assembly (8) comprises a limiting groove (801), an arc edge pressure plate (802) and two springs (803); the limiting groove (801) is connected to the placement groove (7); the arc edge pressure plate (802) is slidably connected to the inside of the limiting groove (801); the two springs (803) are symmetrically fixedly connected to the top of the arc edge pressure plate (802); and the springs (803) are fixedly connected to the inner wall of the limiting groove (801).

4. A robot lithium battery tab welding device according to claim 2, characterized in that: A through hole is provided inside the top plate (2), and a guide rod (9) is fixedly connected to the top of the connection box (501), and the guide rod (9) is movably connected to the inside of the top plate (2) through the through hole.

5. A robot lithium battery tab welding device according to claim 4, characterized in that: The top of the guide rod (9) is fixedly connected to a limiting plate (10).

6. A robot lithium battery tab welding device according to claim 3, characterized in that: The interior of the limiting groove (801) is connected to two symmetrically distributed slide grooves (11), and both sides of the arc edge pressure plate (802) are fixedly connected with slide plates (12), and the slide plates (12) are slidably connected to the interior of the slide grooves (11).

7. The robot lithium battery tab welding device according to claim 3, characterized in that: The outside of the arc edge pressure plate (802) is fixedly connected with a flexible pad (13), and the material of the flexible pad (13) is rubber.

Citation Information

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