CN212221642U - Clamping mechanism and clamp - Google Patents
Clamping mechanism and clamp Download PDFInfo
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- CN212221642U CN212221642U CN202020206032.8U CN202020206032U CN212221642U CN 212221642 U CN212221642 U CN 212221642U CN 202020206032 U CN202020206032 U CN 202020206032U CN 212221642 U CN212221642 U CN 212221642U
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Abstract
The utility model relates to a fixture and anchor clamps. The clamping mechanism comprises a mounting plate, a first clamping assembly and a second clamping assembly, the first clamping assembly comprises a rotating piece, two sliding plates and a first clamping plate, the rotating piece is rotatably arranged on the mounting plate and meshed with the sliding plates, the rotating piece can drive the two sliding plates to be close to or far away from each other, the first clamping plate is connected to the sliding plates, the second clamping assembly comprises a second clamping plate and a second driving piece, the second clamping plate is in transmission connection with the second driving piece, and the second driving piece is used for driving the second clamping plate to be close to or far away from the end face of the battery. In foretell anchor clamps, rotate the piece and rotate the interval that can adjust between two first grip blocks, adapt to the different specifications of module battery side, the second driving piece will drive the second grip block and be close to or keep away from the terminal surface of module battery to the different specifications of adaptation module battery terminal surface have improved the compatibility of anchor clamps.
Description
Technical Field
The utility model relates to a power battery field especially relates to fixture and anchor clamps.
Background
The curb plate to the module battery need be welded among the welding process of module battery, need compress tightly the curb plate and the end plate of module battery when the welding, because module battery kind is more, and specification and size is more, and current hold-down mechanism is not strong to the compatibility of different module battery sizes, and the limitation is great.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a clamping mechanism and a clamp with high compatibility.
A clamping mechanism comprising:
the clamping mechanism comprises an installation plate, a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are installed on the installation plate at intervals and are used for clamping the side face and the end face of the battery respectively;
the first clamping assembly comprises a rotating part, two sliding plates, a first clamping plate, a toothed plate and a rotary driving part, the rotating part is rotatably arranged on the mounting plate, the two sliding plates are oppositely arranged on two sides of the rotating part and are in transmission connection with the rotating part through the toothed plate, when the rotary driving part drives the rotating part to rotate, the two sliding plates are close to or far away from each other, and the first clamping plate is connected to the sliding plates;
the second clamping assembly comprises a second clamping plate and a second driving piece, and the second driving piece is mounted on the sliding plate and used for driving the second clamping plate to be close to or far away from the end face of the battery.
Among the foretell fixture, rotate the interval that can adjust between two first grip blocks when rotating, adapt to the different specifications of module battery side, in addition, rotate the terminal surface motion that can also drive the relative module battery of second grip block when rotating, in order to adjust the second grip block to the position just right with the terminal surface of module battery, the second driving piece will drive the terminal surface that the second grip block is close to or keeps away from the module battery, thereby adapt to the different specifications of module battery terminal surface, the compatibility of anchor clamps has been improved, utilize and rotate the piece and adjust first grip block simultaneously, the second grip block can improve work efficiency, and the quantity that has reduced drive arrangement, easy to maintain, installation space and cost have still been saved.
In one embodiment, the mounting plate is provided with a first guide rail and a first slider, the sliding plate is slidably connected with the first guide rail through the first slider, the first guide rail is parallel to the end face of the battery, the mounting plate is provided with an avoiding groove, the first clamping assembly further comprises a first connecting plate, the first connecting plate is arranged through the avoiding groove and connected with the sliding plate, the first connecting plate is parallel to the end face of the battery, and the first clamping plate and the second clamping assembly are both mounted on the first connecting plate.
In one embodiment, the rotating member is rotatably connected to the mounting plate through a rotating shaft, a first bevel gear is arranged at one end of the rotating shaft, which is far away from the rotating member, the rotating driving member has an output shaft, a second bevel gear is arranged on the output shaft, and the first bevel gear is meshed with the second bevel gear, so that when the output shaft rotates, the second bevel gear is meshed with the first bevel gear, and the first bevel gear drives the rotating member to rotate through the rotating shaft.
In one embodiment, the first clamping assembly further includes a first driving member and an adapter plate, the adapter plate is connected to the sliding plate, the first driving member is mounted on the adapter plate, and an output shaft of the first driving member is in transmission connection with the first clamping plate.
In one embodiment, the first clamping assembly further includes a guide shaft, a guide member and a guide plate, the guide plate is mounted on the adapter plate, one end of the guide shaft is connected with the first clamping plate, the other end of the guide shaft is connected to the guide plate through the guide member in a sliding manner, and the output shaft of the first driving member penetrates through the guide plate and is connected with the first clamping plate.
In one embodiment, the second clamping assembly further includes a fixed plate perpendicular to a surface of the sliding plate near the mounting plate, the second driving member is mounted on one side of the fixed plate, the second connecting plate is connected to an output shaft of the second driving member, the fixed plate is provided with a through hole, the second clamping plate is located on the other side of the fixed plate and is connected to the second connecting plate through the through hole, and the second clamping plate is parallel to a side surface of the battery.
In one embodiment, the fixing plate is provided with a second guide rail and a second sliding block, and the second clamping plate is connected with the second guide rail in a sliding manner through the second sliding block.
In one embodiment, the second clamping assembly further includes a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are disposed opposite to the fixing plate, and the second connecting plate is located between the first limiting plate and the second limiting plate.
In one embodiment, the second clamping assembly further includes a first buffer member and a second buffer member, the first buffer member and the second buffer member are oppositely disposed on the fixing plate, and a portion of the second connecting plate is located between the first buffer member and the second buffer member.
In one embodiment, a pipe connector is further provided on the second connecting plate, and the pipe connector is used for connecting protective gas.
On the other hand, the utility model also provides an anchor clamps, including foretell fixture, fixture is equipped with two, two fixtures set up relatively to the centre gripping is located work piece between two fixtures.
Drawings
FIG. 1 is a schematic diagram of the operation of one embodiment of a clamp;
FIG. 2 is a schematic view of the clamping mechanism of the clamp of FIG. 1;
FIG. 3 is a schematic view of a portion of a first clamping assembly of the clamping mechanism of FIG. 2;
FIG. 4 is a schematic view of another portion of the first clamping assembly of the clamp of FIG. 1;
FIG. 5 is a schematic view of a second clamping assembly of the clamping mechanism of FIG. 2;
FIG. 6 is a schematic view of a second clamping plate of the clamping mechanism shown in FIG. 2;
FIG. 7 is a schematic structural view of the second clamping assembly of the clamping mechanism shown in FIG. 2 from another perspective.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a fixture 1 according to an embodiment is used for clamping and fixing a workpiece, where the workpiece may be a module battery, or may be other structures such as tempered glass, and the type of the workpiece clamped by the fixture is not limited herein.
In order to facilitate understanding of the clamp of the present application, only a workpiece is taken as an example of a module battery, and the structure of the clamp 1 is described below, wherein the clamp 1 includes two clamping mechanisms 10, and the two clamping mechanisms 10 are respectively used for clamping at two ends of the module battery 2, specifically, when the clamp 1 is used for clamping and fixing the module battery 2, the module battery 2 is placed between the two clamping mechanisms 10, so that the two clamping mechanisms 10 are respectively clamped at positions of the module battery 2 close to the two ends.
It should be noted that, the two ends of the module battery 2 may be the two ends of the module battery 2 along the length direction thereof, or the two ends of the module battery 2 along the width direction thereof, for example, in some embodiments, as shown in fig. 1, the module battery 2 is rectangular block-shaped as a whole, and when the module battery is clamped and fixed by the fixture 1, the two clamping mechanisms 10 of the fixture 1 clamp and fix the two ends of the module battery 2 along the length direction thereof. When fixture 10 carries out the centre gripping to module battery 2 fixedly, fixture 10 can carry out the centre gripping to the terminal surface of the corresponding one end of module battery 2 and two sides that adjoin with this terminal surface to two fixture 10 mating reaction can carry out the centre gripping with module battery 2's four corners department and fix, and then prevent that module battery 2 from taking place the skew, so that obtain better welding quality when welding mechanism welds module battery 2.
The principle of action of the two clamping mechanisms 10 for clamping and fixing the corresponding ends of the assembled battery 2 is the same, and the structure of the clamping mechanism 10 will be described below by taking the clamping mechanism 10 at one end as an example. Referring to fig. 2, the clamping mechanism 10 includes a mounting plate 100, a first clamping assembly 200, and a second clamping assembly 300. The first clamping assembly 200 is mounted on the mounting plate 100 for clamping the side of the module battery 2. A second clamping assembly 300 is also mounted on the mounting plate 100 for clamping the end face of the battery pack 2.
The first clamping assembly 200 includes a rotating member 201, two sliding plates 202, and a first clamping plate 203. The rotating member 201 is rotatably disposed on the mounting plate 100, and the two sliding plates 202 are oppositely disposed on the mounting plate 100 and respectively located at two sides of the rotating member 201. The rotating member 201 is engaged with the sliding plates 202, the rotating member 201 can drive the two sliding plates 202 to approach or separate from each other when rotating, and the first clamping plate 203 is connected to the sliding plates 202 and opposite to the side surface of the module battery 2, so that the first clamping plate 203 can be driven to move, the distance between the two first clamping plates 203 can be adjusted, the specification of the module battery 2 can be adapted to, and the side surface of the module battery 2 can be clamped.
The second clamping assembly 300 comprises a second clamping plate 301 and a second driving piece 302, the second clamping plate 301 is in transmission connection with an output shaft of the second driving piece 302, the second driving piece 302 is installed on the sliding plate 202, the second driving piece 302 is used for driving the second clamping plate 301 to be close to or far away from the end face of the module battery 2, so that the distance between the two second clamping plates 301 and the end face of the module battery 2 is adjusted, the specification of the module battery 2 is adapted, the end face of the module battery 2 is clamped, and the clamping and fixing of the module battery 2 are completed by matching with the first clamping assembly 200.
In the above-mentioned anchor clamps 1, rotate piece 201 and rotate and can adjust the interval between two first grip blocks 203, adapt to the different specifications of module battery 2 side, it can also drive the relative module battery 2's of second grip block 301 terminal surface motion to rotate piece 201 simultaneously, in order to adjust second grip block 301 to the position just right with the terminal surface of module battery 2, second driving piece 302 will drive second grip block 301 and be close to or keep away from the terminal surface of module battery 2, thereby adapt to the different specifications of module battery 2 terminal surface, the compatibility of anchor clamps 1 has been improved, rotate piece 201 and adjust first grip block 203 simultaneously, second grip block 301 can improve work efficiency, and reduced drive arrangement's quantity, easy to maintain, installation space and cost have still been saved.
With continued reference to fig. 2, in one embodiment, a first rail 101 and a first block 102 are provided on the mounting plate 100. The first guide rail 101 is parallel to the end surface of the module battery 2 and extends in the length direction of the end surface of the module battery 2. The first slider 102 is slidably disposed on the first guide rail 101, and the sliding plate 202 is fixed to the first slider 102, thereby achieving a sliding connection with the mounting plate 100. The mounting plate 100 is further provided with an avoiding groove 103, the sliding plate 202 extends downwards to form a first connecting plate 202a, the first clamping plate 203 is mounted on the second connecting plate 202a, and the first connecting plate 202a moves synchronously with the sliding plate 202 to drive the first clamping plate 203 to move. Because the height of module battery 2 is less than the height of mounting panel 100, first grip block 203 is installed through the first connecting plate 202a that sets up in mounting panel 100 bottom surface, and the side that can be better is relative with module battery 2, promotes the effect of centre gripping location.
Referring to fig. 3, in one embodiment, the first clamping assembly 200 further includes a toothed plate 204, a rotary drive 205, and a connecting assembly 206. The toothed plate 204 is mounted on the sliding plate 202 and engaged with the rotating member 201, and the moving direction of the toothed plate 204 is the same as the extending direction of the first guide rail 101, so that the sliding plate 202 is driven to move by the toothed plate 204 when the rotating member 201 rotates. The rotary driving element 205 is mounted on the bottom surface of the mounting plate 100, the connecting component 206 is in transmission connection with the rotary driving element 205 and the rotating element 201, and the rotary driving element 205 is used for driving the rotating element 201 to rotate.
Specifically, the connecting assembly 206 includes a first bevel gear 207, a second bevel gear 208, and a rotating shaft 209. The first bevel gear 207 is sleeved on an output shaft of the rotary driving part 205, one end of the rotating shaft 209 penetrates through the rotating part 201, the other end of the rotating shaft 209 penetrates through the second bevel gear 208, and the second bevel gear 208 is in vertical transmission connection with the first bevel gear 207, so that the rotary driving part 205 drives the rotating part 201, and horizontal rotation of the rotary driving part 205 is converted into vertical rotation. In one embodiment, the rotational member 201 may be a spur gear and the rotational drive 205 may be a servo motor.
Referring to fig. 4, in one embodiment, since the rotating member 201, the toothed plate 204 and the sliding plate 202 are in a large-stroke transmission manner, in order to perform a small adjustment on the first clamping plate 203, the first clamping assembly 200 further includes a first driving member 210 and an adapter plate 211. Referring to fig. 2, the adapter plate 211 is fixed on the second connection plate 202a, the first driving member 210 is mounted on the adapter plate 211, an output shaft of the first driving member 210 is in transmission connection with the first clamping plate 203, and the first driving member 210 can drive the first clamping plate 203 to approach or be away from an end surface of the module battery 2, so as to perform adaptive adjustment. It should be noted that, during adjustment, the second connecting plate 202a is driven to slide by the rotating member 201, the relative position between the first clamping plate 203 and the end surface of the module battery 2 is roughly adjusted, and then the first clamping plate 203 is finely adjusted by the first driving member 210, so as to achieve a better clamping effect. In one embodiment, first drive member 210 may be a pneumatic or hydraulic cylinder.
Further, the first clamping assembly 200 further includes a guide shaft 212, a guide 213, and a guide plate 214. The guide plate 214 is installed on the adapter plate 211, one end of the guide shaft 212 is connected with the first clamping plate 203, the other end of the guide shaft is connected with the guide plate 214 through the guide member 213 in a sliding manner, and the output shaft of the first driving member 210 penetrates through the guide plate 214 and is connected with the first clamping plate 203. So set up, can lead when first grip block 203 removes, avoid first grip block 203 to take place the skew to the centre gripping effect to assembled battery 2 terminal surface is influenced. In one embodiment, two guide shafts 212 may be provided, two guide members 213 are provided, and the guide members 213 may be bearings.
Referring to fig. 5, in one embodiment, the second clamping assembly 300 further includes a fixing plate 303 and a second connecting plate 304. Referring to fig. 2, the fixing plate 303 is connected to the second connecting plate 202a, the second driving element 302 is mounted on one side of the fixing plate 303, and the second connecting plate 304 is connected to an output shaft of the second driving element 302. The fixing plate 303 is provided with a through hole 305, the second connecting plate 304 penetrates through the through hole 305, and referring to fig. 6, the second clamping plate 301 is located at the other side of the fixing plate 303 and connected with the second connecting plate 304 through the through hole 305, when the second driving member 302 drives the second connecting plate 304 to move, the second clamping plate 301 is driven to move, and the second clamping plate 301 is parallel to the side surface of the module battery 2, so as to clamp the side surface of the module battery 2. Because the second clamping plate 301 is provided with the pipe joint 306 for communicating the shielding gas, the quality during welding is ensured, and the dust exhaust pipe 307 for exhausting dust during welding is also arranged, so that pollution caused by dust generated during welding is avoided, and a certain installation space is required for avoiding. The second clamping plate 301 is separately provided at one side of the fixing plate 303, so that interference can be reduced.
Referring to fig. 7, in one embodiment, a second guide rail 308 and a second sliding block 309 are disposed on the fixing plate 303. The second sliding block 309 is slidably disposed on the second guiding rail 308, and the second clamping plate 301 is mounted on the second sliding block 309 to be slidably connected with the second guiding rail 308 through the second sliding block 309. So set up, avoid second grip block 301 unsettled, second guide rail 308 and second slider 309 can be to the better support of second grip block 301, simultaneously through sliding connection, enable the motion of second grip block 301 more stable, and the terminal surface centre gripping to assembled battery 2 is more firm.
Referring to fig. 5 again, in one embodiment, the second clamping assembly 300 further includes a first limiting plate 310 and a second limiting plate 311. The first limiting plate 310 and the second limiting plate 311 are oppositely arranged on the fixing plate 303, and the second connecting plate 304 is located between the first limiting plate 310 and the second limiting plate 311, so that the moving stroke of the second clamping plate 301 can be limited, the second clamping plate can move within a proper range, and interference to other structures is avoided.
Further, the second clamping assembly 300 further includes a first buffer 312 and a second buffer 313. The first buffer member 312 and the second buffer member 313 are oppositely disposed on the fixing plate 303, the first buffer member 312 and the first limiting member are disposed at an interval, the second buffer member 313 and the second limiting member are disposed at an interval, one end of the second connecting plate 304 is disposed between the first buffer member 312 and the second buffer member 313, and the other end is disposed between the first limiting plate 310 and the second limiting plate 311, so that the movement of the second clamping plate 301 can be buffered, and the second clamping plate 301 can be prevented from violently impacting the first limiting plate 310 or the second limiting plate 311.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (11)
1. A clamping mechanism, comprising:
the clamping mechanism comprises an installation plate, a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are installed on the installation plate at intervals and are used for clamping the side face and the end face of the battery respectively;
the first clamping assembly comprises a rotating part, two sliding plates, a first clamping plate, a toothed plate and a rotary driving part, the rotating part is rotatably arranged on the mounting plate, the two sliding plates are oppositely arranged on two sides of the rotating part and are in transmission connection with the rotating part through the toothed plate, when the rotary driving part drives the rotating part to rotate, the two sliding plates are close to or far away from each other, and the first clamping plate is connected to the sliding plates;
the second clamping assembly comprises a second clamping plate and a second driving piece, and the second driving piece is mounted on the sliding plate and used for driving the second clamping plate to be close to or far away from the end face of the battery.
2. The clamping mechanism as claimed in claim 1, wherein the mounting plate is provided with a first guide rail and a first slider, the sliding plate is slidably connected to the first guide rail through the first slider, the first guide rail is parallel to the end surface of the battery, the mounting plate is provided with an avoiding groove, the first clamping assembly further comprises a first connecting plate, the first connecting plate penetrates through the avoiding groove and is connected to the sliding plate, the first connecting plate is parallel to the end surface of the battery, and the first clamping plate and the second clamping assembly are both mounted on the first connecting plate.
3. The clamping mechanism as claimed in claim 2, wherein the rotating member is rotatably connected to the mounting plate via a rotating shaft, a first bevel gear is disposed at an end of the rotating shaft farther from the rotating member, the rotating member has an output shaft, a second bevel gear is disposed on the output shaft, the first bevel gear is engaged with the second bevel gear, so that when the output shaft rotates, the second bevel gear is engaged with the first bevel gear, so that the first bevel gear drives the rotating member to rotate via the rotating shaft.
4. The clamping mechanism of claim 1, wherein the first clamping assembly further comprises a first driving member and an adapter plate, the adapter plate is connected to the sliding plate, the first driving member is mounted on the adapter plate, and an output shaft of the first driving member is in transmission connection with the first clamping plate.
5. The clamping mechanism as claimed in claim 4, wherein the first clamping assembly further comprises a guide shaft, a guide member and a guide plate, the guide plate is mounted on the adapter plate, one end of the guide shaft is connected to the first clamping plate, the other end of the guide shaft is slidably connected to the guide plate through the guide member, and the output shaft of the first driving member penetrates through the guide plate and is connected to the first clamping plate.
6. The clamping mechanism of claim 1, wherein the second clamping assembly further comprises a fixed plate and a second connecting plate, the fixed plate is perpendicular to a surface of the sliding plate near the mounting plate, the second driving member is mounted on one side of the fixed plate, the second connecting plate is connected to the output shaft of the second driving member, the fixed plate is provided with a through hole, the second clamping plate is located on the other side of the fixed plate and is connected to the second connecting plate through the through hole, and the second clamping plate is parallel to the side surface of the battery.
7. The clamping mechanism as claimed in claim 6, wherein the fixed plate is provided with a second guide rail and a second sliding block, and the second clamping plate is slidably connected with the second guide rail through the second sliding block.
8. The clamping mechanism of claim 6, wherein the second clamping assembly further comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are oppositely disposed on the fixing plate, and the second connecting plate is located between the first limiting plate and the second limiting plate.
9. The clamping mechanism of claim 8, wherein said second clamping assembly further comprises a first buffer and a second buffer, said first buffer and said second buffer being disposed opposite to each other on said fixed plate, and a portion of said second connecting plate being disposed between said first buffer and said second buffer.
10. A clamping mechanism according to claim 6, wherein a pipe connector is further arranged on the second connecting plate and is used for connecting protective gas.
11. A clamping apparatus comprising two clamping mechanisms according to any one of claims 1 to 10, wherein the two clamping mechanisms are arranged to be opposed to each other to clamp a workpiece between the two clamping mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206032.8U CN212221642U (en) | 2020-02-24 | 2020-02-24 | Clamping mechanism and clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020206032.8U CN212221642U (en) | 2020-02-24 | 2020-02-24 | Clamping mechanism and clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212221642U true CN212221642U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020206032.8U Active CN212221642U (en) | 2020-02-24 | 2020-02-24 | Clamping mechanism and clamp |
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| Country | Link |
|---|---|
| CN (1) | CN212221642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701851A (en) * | 2022-05-17 | 2022-07-05 | 广东斯玛特自动化科技有限公司 | Electricity core automatic feeding system |
-
2020
- 2020-02-24 CN CN202020206032.8U patent/CN212221642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114701851A (en) * | 2022-05-17 | 2022-07-05 | 广东斯玛特自动化科技有限公司 | Electricity core automatic feeding system |
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Effective date of registration: 20220906 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: 518051 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |