CN209830740U - Power battery gland pre-spot welding fixture - Google Patents
Power battery gland pre-spot welding fixture Download PDFInfo
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- CN209830740U CN209830740U CN201920495822.XU CN201920495822U CN209830740U CN 209830740 U CN209830740 U CN 209830740U CN 201920495822 U CN201920495822 U CN 201920495822U CN 209830740 U CN209830740 U CN 209830740U
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Abstract
The utility model relates to a power battery gland is spot welding anchor clamps in advance, include: the device comprises a base for placing a power battery, side pressing mechanisms arranged on the base and used for positioning the left side and the right side of the power battery, front and back pressing mechanisms arranged on the base and used for positioning the front end and the back end of the power battery, a gland mechanism arranged on the base and used for pressing a top cover into a shell and keeping the top cover in a pressing state before the pre-spot welding is completed, and a sliding frame arranged on the base and used for downwards pressing the power battery. Through the tight and gland action of the locating clip to at least one power battery who lies flat the placing in same anchor clamps, before the spot welding process is accomplished in advance in addition, can remain the location and the compression state to power battery throughout, avoided because of the top cap bounce or the condition of caving in that leads to because of the independent transmitting of battery between gland process to spot welding process in advance, reduced the influence to follow-up detection and spot welding process in advance, promoted spot welding effect in advance, improved product yield and production efficiency.
Description
Technical Field
The utility model relates to a laser beam machining production technical field, concretely relates to power battery gland tack welding anchor clamps in advance.
Background
At present, with the development of new energy products and the change of national subsidy policies, new energy power batteries are developed towards higher energy density, the size of the batteries is also larger, and the requirements on the assembly and welding of the power batteries are also higher.
The power battery component mainly comprises an electric core, a shell and a top cover, the top cover is pressed into the shell provided with the electric core during assembly, then the top cover and the shell are subjected to pre-spot welding, pre-fixing between the top cover and the shell is achieved, then subsequent welding and other procedures are carried out, and finally sealing between the top cover and the shell is achieved.
The existing capping and pre-spot welding steps are typically: manually pressing the top cover into the shell to knock flat, or pressing the top cover into the shell at a certain station by using a moving mechanism, grabbing the power battery after being pressed onto another station, and performing pre-spot welding after the battery is repositioned. The transfer action to the battery between different stations, because of the cooperation tolerance difference scheduling problem of top cap and casing for the top cap probably appears bouncing or the condition of caving in at this in-process, seriously influences follow-up detection and spot welding process in advance, leads to spot welding effect poor in advance, very big reduction product yield and production efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: aiming at the defects of the prior art, the power battery gland pre-spot welding clamp is provided, the defect that a top cover is bounced or caved in due to independent transfer action of a battery between a gland process and a pre-spot welding process in the prior art is overcome, the influence on the follow-up detection and the pre-spot welding process is reduced, the pre-spot welding effect is improved, and the product yield and the production efficiency are improved simultaneously.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a power battery gland prespot welding anchor clamps, power battery gland prespot welding anchor clamps include: the device comprises a base for placing a power battery, side pressing mechanisms arranged on the base and used for positioning the left side and the right side of the power battery, front and back pressing mechanisms arranged on the base and used for positioning the front end and the back end of the power battery, a gland mechanism arranged on the base and used for pressing a top cover into a shell and keeping the top cover in a pressing state before the pre-spot welding is completed, and a sliding frame arranged on the base and used for downwards pressing the power battery.
The utility model adopts a further preferable proposal that at least one positioning bottom plate for placing the power battery is arranged on the base; the front and rear pressing mechanisms include: the positioning base block is arranged at the front end of the positioning base plate, and the jacking assembly is used for pushing the power battery to be tightly pressed on the positioning base block from the rear end of the positioning base plate.
The utility model discloses a still further preferred scheme is that power battery gland prespot welding anchor clamps still include: the sliding mechanism is arranged on the base and used for driving the pressing mechanism to move back and forth.
The utility model discloses a still further preferred scheme is that slide mechanism includes: the device comprises supporting plates, guide rails, sliding plates and sliding cylinders, wherein the supporting plates are respectively arranged on two sides of a positioning bottom plate; the pressing mechanism is arranged on the sliding plate.
The utility model discloses a still further preferred scheme is that the mechanism of pushing down includes: the movable pressing plate and a pressing cylinder arranged on the sliding plate and used for driving the movable pressing plate to downwards press the power battery.
The utility model discloses a still further preferred scheme is that power battery gland prespot welding anchor clamps still include: and the sucker mechanism is used for pulling the power battery shell up and down so as to press the top cover into the shell.
The utility model discloses a still further preferred scheme is that the sucking disc mechanism includes: the upper sucker component and the lower sucker component are respectively used for pulling the power battery shell from the upper part and the lower part of the power battery simultaneously.
The utility model discloses a still further preferred scheme is that tight subassembly in top includes: the jacking cylinder is used for driving the jacking plate to move forwards.
The utility model discloses a still further preferred scheme is that the capping mechanism includes: at least one pressing block for pressing the top cover and a pressing cover driving assembly for driving the pressing block to press the top cover into the shell.
The utility model discloses a still further preferred scheme is that side hold-down mechanism includes: locate the side benchmark subassembly of location bottom plate one side and locate the side drive assembly that the location bottom plate opposite side was used for driving force battery to compress tightly to the side benchmark subassembly.
The utility model has the advantages that the side pressing mechanisms for positioning the left and right sides of the power battery, the front and back pressing mechanisms for positioning the front and back ends of the power battery, the gland mechanism for pressing the top cover into the shell, and the pressing mechanism for pressing the power battery downwards after the side positioning, the left and right positioning and the gland action of the power battery are completed, thereby realizing the positioning clamping and the gland action of at least one power battery which is laid horizontally in the same fixture, and before the pre-spot welding process is completed, the positioning and the compaction state of the power battery can be always kept, especially the compaction state of the top cover is kept, namely the positioning clamping, the gland and the pre-spot welding are all completed in the same fixture, thereby avoiding the situation that the top cover is bounced or caved in due to the independent transfer of the battery between the gland process and the pre-spot welding process in the prior art, the influence on subsequent detection and pre-spot welding procedures is reduced, the pre-spot welding effect is improved to the maximum extent, and meanwhile, the product yield and the production efficiency are greatly improved.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic perspective view of a power battery gland pre-spot welding fixture (in an open state) according to the present invention;
fig. 2 is a schematic diagram of the battery positioning of the power battery gland pre-spot welding fixture of the present invention;
fig. 3 is a schematic plane structure diagram of the power battery gland pre-spot welding fixture of the present invention;
fig. 4 is a schematic three-dimensional structure diagram of the sliding mechanism and the pressing mechanism of the power battery gland pre-spot welding fixture of the present invention;
fig. 5 is a schematic perspective view of an upper suction cup assembly (including a sliding plate) of the power battery gland pre-spot welding fixture of the present invention;
fig. 6 is a schematic three-dimensional structure view of the lower sucker assembly of the power battery gland pre-spot welding fixture of the present invention;
fig. 7 is a schematic perspective view of a tightening assembly of the power battery gland pre-spot welding fixture of the present invention;
fig. 8 is a schematic perspective view of a capping mechanism of the power battery gland pre-spot welding fixture of the present invention;
fig. 9 is a schematic perspective view of a side driving assembly of the power battery gland pre-spot welding fixture of the present invention;
fig. 10 is a schematic perspective view of the power battery gland pre-spot welding fixture (clamping state) and the sliding platform according to the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the power battery gland tack welding fixture comprises: the method comprises the following steps: the device comprises a base 1 for placing a power battery 10, side pressing mechanisms arranged on the base 1 and used for positioning the left side and the right side of the power battery 10, front and rear pressing mechanisms arranged on the base 1 and used for positioning the front end and the rear end of the power battery 10, a gland mechanism 4 arranged on the base 1 and used for pressing a top cover into a shell and keeping the top cover in a pressing state before pre-spot welding is completed, and a pressing mechanism 5 arranged on the base 1 and used for pressing the power battery 10 downwards in a sliding frame. After the feeding mechanism grabs the power battery 10 for feeding, the power battery 10 is in a lying state; the clamp in fig. 1 is in a clamped state. By arranging the side pressing mechanisms for positioning the left side and the right side of the power battery 10, the front pressing mechanism and the rear pressing mechanism for positioning the front end and the rear end of the power battery 10, the gland mechanism 4 for pressing the top cover into the shell and the pressing mechanism 5 for pressing and positioning the power battery 10 downwards after finishing the side positioning, the left side and the right side positioning and the gland action of the power battery 10, the positioning clamping and the gland action of six surfaces of at least one power battery 10 which is placed horizontally in the same fixture are realized, and before the pre-spot welding process is finished, the positioning and the pressing state of the power battery 10 can be always kept, particularly the pressing state of the top cover is kept, namely the positioning clamping, the gland and the pre-spot welding are all finished in the same fixture, thereby avoiding the situation that the top cover is bounced or sunk due to the independent transfer of the battery between the gland working procedure and the pre-spot welding working procedure in the, the influence on subsequent detection and pre-spot welding procedures is reduced, the pre-spot welding effect is improved to the maximum extent, and meanwhile, the product yield and the production efficiency are greatly improved.
As shown in fig. 3, at least one positioning bottom plate 11 for placing the power battery 10 is arranged on the base 1. Referring to fig. 1 and 2, in the present embodiment, there are two positioning bottom plates 11, and two power batteries 10 can be placed at the same time. Correspondingly, the side pressing mechanism, the front and rear pressing mechanisms, the capping mechanism 4 and the pressing mechanism 5 are also provided with two groups, and each group is used for realizing the clamping positioning and capping action of one power battery 10. The side pressing mechanism, the front and back pressing mechanism and the gland mechanism 4 are respectively arranged at the left, right, front and back positions of the positioning bottom plate 11 to form two power battery 10 placing slots.
As shown in fig. 1 and 4, the power battery gland tack welding fixture further includes: and the sliding mechanism 6 is arranged on the base 1 and used for driving the pressing mechanism 5 to move back and forth. The slide mechanism 6 includes: the positioning device comprises supporting plates 61 respectively arranged at two sides of a positioning bottom plate 11, guide rails 62 arranged on the supporting plates 61, sliding plates 63 capable of sliding back and forth along the guide rails 62, and sliding cylinders 64 for driving the sliding plates 63 to move back and forth along the guide rails 62; the pressing mechanism 5 is provided on the slide plate 63. Further, the pressing mechanism 5 includes: a movable pressing plate 51 and a pressing cylinder 52 arranged on the sliding plate 63 and used for driving the movable pressing plate 51 to press or press the power battery 10 downwards. In this embodiment, there are three support plates 61, which are respectively provided with two sides of the lateral pressing mechanism, and the support plate 61 is provided with a long guide rail 62, so that the sliding plate 63 can drive the pressing mechanism 5 to slide back and forth on the upper portion of the power battery 10. After the side pressing mechanism finishes clamping and positioning the side of the power battery 10, the sliding mechanism 6 drives the pressing mechanism 5 to move towards the top cover, the battery is stopped above the battery close to the top cover, and then the pressing cylinder 52 pushes the movable pressing plate 51 to be pressed against the power battery 10 by using low air pressure to pre-position the power battery 10.
As shown in fig. 1, 5 and 6, further, the power cell gland tack welding fixture further includes: and the sucker mechanism 7 is used for pulling the power battery shell up and down so as to press the top cover in. The suction cup mechanism 7 includes: an upper sucker assembly 71 arranged on the sliding plate 63 and a lower sucker assembly 72 arranged on the lower part of the positioning bottom plate 11, wherein the upper sucker assembly 71 and the lower sucker assembly 72 are respectively used for pulling the power battery shell away from the upper part and the lower part of the power battery 10 at the same time. The upper sucker assembly 71 is arranged beside the pressing mechanism 5, and the lower sucker assembly 72 is arranged at the lower part of the power battery 10 close to the top cover relative to the upper sucker assembly 71. It should be noted that, after the power battery 10 is laid on the positioning bottom plate 11, the size of the positioning bottom plate 11 is smaller than the power battery surface in contact with the positioning bottom plate 11, that is, the periphery of the surface of the power battery 10 in contact with the positioning bottom plate 11 is suspended, so that the lower suction cup assembly 72 can be conveniently attached to the power battery housing from the lower part.
Specifically, the upper suction cup assembly 71 includes: a first vacuum chuck 711 for sucking the power cell case downward, and an upper chuck cylinder 712 for driving the first vacuum chuck 711 to move up and down. The lower suction cup assembly 72 includes: a second vacuum suction cup 721 for sucking up the power cell case and a lower suction cup cylinder 722 for driving the second vacuum suction cup 721 to move up and down. Furthermore, the upper sucker assembly 71 is further provided with a limiting cylinder 713, so that the battery shell is prevented from being deformed due to overlarge adsorption amplitude, and the assembly quality is prevented from being influenced. The arrangement of the sucker mechanism 7 enables the top cover of the power battery to be smoothly pressed into the shell under the action of the gland mechanism 4, and the gland quality and the production efficiency are greatly improved.
As shown in fig. 1 and 7, the front and rear pressing mechanisms include: a positioning reference block 31 arranged at the front end of the positioning bottom plate 11 and a tightening component 32 used for pushing the power battery 10 from the rear end of the positioning bottom plate 11 to be pressed on the positioning reference block 31. Further, the tightening unit 32 includes: the tightening plate 321 drives the tightening plate 321 to tighten the tightening cylinder 322 of the power battery 10 forward. Wherein, in order to prevent the battery from being crushed due to overlarge jacking force, the jacking component 32 is also provided with a jacking buffer 323.
As shown in fig. 8, the capping mechanism 4 includes: the pressing cover comprises a pressing cover bottom plate 41, at least one pressing block 42 which is arranged on the pressing cover bottom plate 41 and used for pressing the top cover, and a pressing cover driving assembly 43 which is used for driving the pressing block 42 to press the top cover into the shell. Further, the capping drive assembly 43 includes: and the screw rod mechanism 431 is connected with the pressing block 42 and used for pushing the pressing block 42 to move towards the top cover direction, and the motor 432 is used for driving the screw rod mechanism 431 to move. In this embodiment, two pressing blocks 42 are disposed on the gland bottom plate 41 and are respectively used for pressing against the top cover of one power battery 10, the two pressing blocks 42 share one gland bottom plate 41 and the gland driving assembly 43, and during operation, the motor 432 drives the screw rod mechanism 431 and pushes the two pressing blocks 42 to simultaneously perform the gland and casing actions on the glands of the two power batteries 10.
Further, still be equipped with the pressure sensor 44 that is used for detecting the top cap dynamics of impressing on the gland mechanism 4, on the gland bottom plate 41 was located to pressure sensor mounting panel 45, pressure sensor 44 specifically located between pressure sensor mounting panel 45 and the briquetting 42, the real-time supervision top cap dynamics of impressing, when the pressure value is up to standard or the distance of impressing reaches standard, the gland action was accomplished, each part of gland mechanism 4 keeps continuously motionless. The pressure sensor 44 can ensure that the force applied to the top cover of the power battery does not exceed the maximum pressure that the top cover of the power battery can bear, and prevent the power battery 10 from being damaged or potential safety hazards from being left.
As shown in fig. 9, the side pressing mechanism includes: a side reference component arranged on one side of the positioning bottom plate 11 and a side driving component 22 arranged on the other side of the positioning bottom plate 11 and used for pushing the battery 10 to be pressed on the side reference component 21. In particular, the side reference assembly comprises two side reference plates 21. Further, the side driving assembly 22 includes: a side pressing plate 221 and a side pressing cylinder 222 for pushing the side pressing plate 221 to move, wherein the side pressing plate 221 is arranged opposite to the side reference plate 21.
Referring to fig. 1, the working process of the power battery gland pre-spot welding fixture (hereinafter referred to as fixture) according to the embodiment is specifically described:
after the feeding mechanism (not shown in the figure) grabs the power battery 10 for feeding, the power battery 10 is in a lying state. Then, the feeding mechanism is withdrawn, the sliding mechanism 6 drives the pressing mechanism 5 and the upper sucker assembly 71 to move along the direction of the top cover of the battery, and meanwhile, the side pressing cylinder pushes the side pressing plate 221 to press the power battery 10 onto the side reference plate, so that the side of the power battery 10 is clamped and positioned and the pressing state is kept still; after the sliding mechanism 6 moves to the right position (above the battery close to the top cover of the battery), the downward-pressing cylinder 52 uses low air pressure to push the movable pressing plate 51 to press the power battery 10, and the power battery 10 is pre-positioned; then, the jacking cylinder 322 pushes the jacking plate 321 to jack the power battery 10 to the positioning reference block 31, so as to complete clamping and positioning of the front end and the rear end of the power battery 10 and keep the power battery in a compressed state; the upper sucker assembly 71 and the lower sucker assembly 71 are respectively provided with a limiting cylinder, a top cover and a lower sucker cylinder, wherein the upper sucker assembly 71 is provided with a limiting cylinder; when the gland mechanism 4 is started, the pressing block 42 drives the top cover to be pressed into the shell, the top surface of the top cover is flush with the upper edge of the shell, when the pressure sensor 44 detects that the pressure value of the top cover pressed in reaches the standard or the pressing distance reaches the standard, the gland action is finished, and the positions of all parts of the gland mechanism 4 are continuously kept still; breaking vacuum by the vacuum sucker, resetting the upper sucker limiting cylinder, and resetting the upper sucker cylinder and the lower sucker cylinder; the pressing mechanism 5 is converted into high-air-pressure pressing and keeps the pressing state.
The power battery 10 is placed in a lying state after being fed, so that the influence of gravity factors can be avoided, and the situation that the top cover sinks to enable the top cover to be lower than the upper edge of the shell to cause a defective product before the power battery 10 is clamped is avoided. The clamp can clamp two batteries at one time, mainly comprises a sliding mechanism 6, a side pressing mechanism, a front pressing mechanism, a rear pressing mechanism, a sucker mechanism 7, a pressing mechanism 5 and a capping mechanism 4, except that the capping mechanism 4 and the sliding mechanism 6 are shared, the other mechanisms are correspondingly used by one set for each battery, and the clamp can independently act.
Referring to the above discussion of the working process of the fixture, after the clamping, positioning and capping processes of the power battery 10 are completed, the power battery 10 is clamped by the pre-spot welding fixture for capping the power battery 10 and moves to the step height detection process of the cover plate as a whole, and when the step height detection of the cover plate is qualified, the power battery 10 continues to move to the pre-spot welding process, and the pre-spot welding is performed on the joint of the top cover and the shell of the power battery 10. Wherein, the clamp clamps the power battery 10 to move integrally to the next process, and a transfer mechanism, such as a manipulator, can be adopted; the mode of a sliding platform, such as a sliding rail, can also be adopted.
Referring to fig. 10, in order to implement the preferred embodiment of the present invention, the power battery gland pre-spot welding fixture is slidably disposed on the sliding platform 8, and the sliding platform 8 drives the whole fixture and the power battery 10 to move to the detection process and the pre-spot welding process. The clamp in fig. 10 is in a clamped state.
In the process of prespot welding, all parts of the clamp keep positioning and clamping the battery; after the pre-spot welding process is completed, the whole clamp moves to a blanking process, then the pressing mechanism 5 resets, the pressing mechanism 4 resets, the sliding mechanism 6 and the side pressing mechanism reset, the jacking assembly 32 resets, and finally, the blanking mechanism (not shown in the figure) grabs the battery, so far, the work of the clamp is completed.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a power battery gland prespot welding anchor clamps which characterized in that includes: the device comprises a base for placing a power battery, side pressing mechanisms arranged on the base and used for positioning the left side and the right side of the power battery, front and back pressing mechanisms arranged on the base and used for positioning the front end and the back end of the power battery, a gland mechanism arranged on the base and used for pressing a top cover into a shell and keeping the top cover in a pressing state before the pre-spot welding is completed, and a sliding frame arranged on the base and used for downwards pressing the power battery.
2. The power battery gland pre-spot welding clamp according to claim 1, wherein at least one positioning bottom plate for placing a power battery is arranged on the base; the front and rear pressing mechanisms include: the positioning base block is arranged at the front end of the positioning base plate, and the jacking assembly is used for pushing the power battery to be tightly pressed on the positioning base block from the rear end of the positioning base plate.
3. The power cell gland tack welding jig of claim 2, further comprising: the sliding mechanism is arranged on the base and used for driving the pressing mechanism to move back and forth.
4. The power cell gland tack welding jig of claim 3, wherein the sliding mechanism comprises: the device comprises supporting plates, guide rails, sliding plates and sliding cylinders, wherein the supporting plates are respectively arranged on two sides of a positioning bottom plate; the pressing mechanism is arranged on the sliding plate.
5. The power cell gland tack welding jig of claim 4, wherein the hold-down mechanism comprises: the movable pressing plate and a pressing cylinder arranged on the sliding plate and used for driving the movable pressing plate to downwards press the power battery.
6. The power cell gland tack welding jig of claim 2, further comprising: and the sucker mechanism is used for pulling the power battery shell up and down so as to press the top cover into the shell.
7. The power cell gland tack welding jig of claim 6, wherein the suction cup mechanism comprises: the upper sucker component and the lower sucker component are respectively used for pulling the power battery shell from the upper part and the lower part of the power battery simultaneously.
8. The power cell gland tack welding jig of claim 2, wherein the jacking assembly comprises: the jacking cylinder is used for driving the jacking plate to move forwards.
9. The power cell gland tack welding jig of claim 1, wherein the gland mechanism comprises: at least one pressing block for pressing the top cover and a pressing cover driving assembly for driving the pressing block to press the top cover into the shell.
10. The power cell gland tack welding jig of claim 2, wherein the side hold down mechanism comprises: locate the side benchmark subassembly of location bottom plate one side and locate the side drive assembly that the location bottom plate opposite side was used for driving force battery to compress tightly to the side benchmark subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495822.XU CN209830740U (en) | 2019-04-12 | 2019-04-12 | Power battery gland pre-spot welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495822.XU CN209830740U (en) | 2019-04-12 | 2019-04-12 | Power battery gland pre-spot welding fixture |
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| Publication Number | Publication Date |
|---|---|
| CN209830740U true CN209830740U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495822.XU Active CN209830740U (en) | 2019-04-12 | 2019-04-12 | Power battery gland pre-spot welding fixture |
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| CN (1) | CN209830740U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846473A (en) * | 2020-12-31 | 2021-05-28 | 大族激光科技产业集团股份有限公司 | Positioning clamp |
| CN114932360A (en) * | 2022-05-06 | 2022-08-23 | 宁波航工智能装备有限公司 | Digital welding equipment for lithium ion storage battery |
| CN115716178A (en) * | 2022-11-25 | 2023-02-28 | 宁德晟硕科技有限公司 | Power battery cover plate special manufacturing clamp and using method thereof |
-
2019
- 2019-04-12 CN CN201920495822.XU patent/CN209830740U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846473A (en) * | 2020-12-31 | 2021-05-28 | 大族激光科技产业集团股份有限公司 | Positioning clamp |
| CN114932360A (en) * | 2022-05-06 | 2022-08-23 | 宁波航工智能装备有限公司 | Digital welding equipment for lithium ion storage battery |
| CN114932360B (en) * | 2022-05-06 | 2024-05-14 | 宁波航工智能装备有限公司 | Digital welding equipment for lithium ion storage battery |
| CN115716178A (en) * | 2022-11-25 | 2023-02-28 | 宁德晟硕科技有限公司 | Power battery cover plate special manufacturing clamp and using method thereof |
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Effective date of registration: 20220829 Address after: 518000 workshop 501, building 3, intelligent manufacturing center park, No. 12, Chongqing Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's lithium battery intelligent equipment Co.,Ltd. Address before: 518000 No. 9988 Shennan Road, Nanshan District, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |