CN208728920U - A kind of connection welding device - Google Patents
A kind of connection welding device Download PDFInfo
- Publication number
- CN208728920U CN208728920U CN201821081347.3U CN201821081347U CN208728920U CN 208728920 U CN208728920 U CN 208728920U CN 201821081347 U CN201821081347 U CN 201821081347U CN 208728920 U CN208728920 U CN 208728920U
- Authority
- CN
- China
- Prior art keywords
- arm
- clamping
- motor
- welding
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is specifically related to a kind of connection welding device, including mobile platform, gripping body, positioning mechanism and welding mechanism；The gripping body installation is on a mobile platform；The positioning mechanism includes telescopic arm lower arm, telescopic arm upper arm and positioning component；The telescopic arm lower arm is vertically-mounted on a mobile platform；Telescopic arm upper arm is plugged in telescopic arm lower arm and can stretch up and down；Positioning component is arranged on the arm body of telescopic arm lower arm；Welding mechanism is slidably arranged on the telescopic arm upper arm.By the way that gripping body, positioning mechanism and welding mechanism is integrated on same device, reduce the area occupied of equipment, optimize production line；Welding operation form in gantry is formed using mobile platform, telescopic arm and the welding mechanism of sliding simultaneously, expand the working range of gripping body and welding mechanism, weld job is carried out convenient for the connection sheet disposably to power battery module, greatly improves the intelligence degree and operating efficiency of whole device.
Description
Technical field
The utility model relates to power battery manufacturing fields, and in particular to a kind of connection welding device.
Background technique
Common power battery module connection sheet welding operation is mostly manual mode of operation, needs manually to clamp power battery
Connection sheet is welded, inefficiency, while being difficult to ensure welding positioning accuracy, can not be adapted to the need of large-scale industrial production
It asks.Moreover, traditional electroplating equipment wielding machine arm can not disposably realize the welding of all connection sheets of power battery module.Therefore,
A kind of automatically welding positioning system is needed, connection sheet can be accurately clamped to power battery module appointed place and efficiently be welded
Connect operation.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, providing one kind can incite somebody to action
Connection sheet accurately clamps to the place that power battery module is specified and can be carried out the connection welding device of efficient welding operation.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of connection welding device, wrap
It includes mobile platform, the gripping body for clamping connection sheet, the positioning mechanism for fixing battery modules and is used to connect
Piece is welded on the welding mechanism in battery modules；The gripping body is mounted on the mobile platform；The positioning mechanism packet
Include telescopic arm lower arm, telescopic arm upper arm and positioning component；The telescopic arm lower arm is vertically-mounted on a mobile platform；It is described flexible
Arm upper arm is plugged in telescopic arm lower arm and can stretch up and down；The positioning component is arranged on the arm body of telescopic arm lower arm；Institute
Welding mechanism is stated to be slidably arranged on the telescopic arm upper arm.
The still more preferably scheme of the utility model is: the gripping body includes gripper assembly and clamping arm component；
The top of the clamping arm component is arranged in the gripper assembly；The clamping arm component setting is on a mobile platform；The shifting
Moving platform drives the gripper assembly to move back and forth.
The still more preferably scheme of the utility model is: the gripper assembly includes a circular clamping platform and multiple groups
Clamp component；The clamping platform is connect with clamping arm component；Each clamping component includes pedestal, clamping head, second
Motor and the second lead screw equipped with third sliding block；The pedestal is arranged on clamping platform and along the circumference of clamping platform in equal part
Degree distribution；First sliding groove is offered on the pedestal, the clamping head is slidably arranged in first sliding groove；Second motor with
Second lead screw transmission is connected and is set along in clamping platform；The pedestal and the third sliding block on the second lead screw are affixed.
The still more preferably scheme of the utility model is: the gripper assembly further includes being located by connecting for automatic identification
The vision positioning component of the welding position of piece；The clamping platform is also provided with a circular second sliding slot；The vision positioning
Component is equipped with a connecting rod；The vision positioning component is moved in the second sliding slot by connecting rod.
The still more preferably scheme of the utility model is: the clamping arm component includes third motor, clamping lower arm, the
Arm, the 5th motor, clamping upper arm and clamping forearm in four motors, clamping；One end of the third motor and mobile platform are affixed,
The other end is connect by clamping lower arm with the 4th motor；4th motor is connect by arm in clamping with the 5th motor, and the
The pivot center of four motors is each perpendicular to the axis of third motor and the 5th motor；On the output end and clamping of 5th motor
Arm connection；One end of the clamping forearm is plugged in clamping upper arm and scalable movement, the following table of the other end and clamping platform
Face is affixed.
The still more preferably scheme of the utility model is: the positioning component further includes clamping limb and clamping head；It is described
Clamping limb and telescopic arm lower arm are laterally affixed；The clamping head is plugged in the clamping limb and elastic.
The still more preferably scheme of the utility model is: the welding mechanism includes welding arm component and plumb joint；Institute
It states welding arm component and the top on telescopic arm upper arm and being located at clamping limb is set by a slide unit component slippage；The welding
Arm component one end is connect with slide unit component, and the other end is connect with plumb joint.
The still more preferably scheme of the utility model is: the slide unit component includes the third silk equipped with Four-slider
Thick stick, third lead screw base and the 6th motor；The third lead screw base is arranged on telescopic arm upper arm；The third lead screw is mounted on
It is connect on three lead screw bases and with the 6th motor drive；The Four-slider and welding arm component are affixed.
The still more preferably scheme of the utility model is: the welding arm component includes the 7th motor, welding postbrachium, the
Arm, the 9th motor and welding forearm in eight motors, welding；Described 7th motor one end and Four-slider are affixed, and the other end passes through
Welding postbrachium is connect with the 8th motor coaxle；8th motor is connect by arm in welding with the 9th motor, and the 9th motor
Vertical 8th motor of pivot center axis；9th motor is connect with welding forearm；The welding forearm and plumb joint
Connection.
The still more preferably scheme of the utility model is: the mobile platform include equipped with the first lead screw, the first sliding block,
Second sliding block, the first lead screw base and first motor；First lead screw is mounted on the first lead screw base and is driven with first motor
Connection；First sliding block, the second sliding block are installed on the first lead screw；First sliding block and third motor are affixed；It is described
Second sliding block and telescopic arm lower arm are affixed.
The beneficial effects of the utility model are, by the way that gripping body, positioning mechanism and welding mechanism is integrated to same
On one device, reduces the area occupied of each equipment, optimize production line；Simultaneously using mobile platform, telescopic arm and sliding
Welding mechanism forms gantry welding operation form, the working range of gripping body and welding mechanism is expanded, convenient for disposably
Weld job is carried out to the connection sheet of power battery module, the intelligence degree and operation for greatly improving whole device are imitated
Rate.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the schematic perspective view of the mobile platform of the utility model embodiment；
Fig. 2 is the schematic perspective view of the gripping body of the utility model embodiment；
Fig. 3 is the structural schematic diagram of the gripper assembly of the utility model embodiment；
Fig. 4 is the positioning mechanism of the utility model embodiment and the schematic perspective view of welding mechanism.
Specific embodiment
Now in conjunction with attached drawing, elaborate to the preferred embodiment of the utility model.
As shown in Fig. 1,2,4, the connection welding device of the present embodiment includes mobile platform 1, for clamping connection sheet (figure
Be not shown) gripping body 2, the positioning mechanism 3 for fixing battery modules (not shown go out) and for welding connection sheet
Welding mechanism 4 in battery modules；The gripping body 2 is mounted on the mobile platform 1；The positioning mechanism 3 includes
Telescopic arm lower arm 31, telescopic arm upper arm 32 and positioning component 33；The telescopic arm lower arm 31 is vertically installed on mobile platform 1；
The telescopic arm upper arm 32 is plugged in telescopic arm lower arm 31 and can stretch up and down；The positioning component 33 is arranged in telescopic arm
On the arm body of lower arm 31；The welding mechanism 4 is slidably arranged on the telescopic arm upper arm 32.Wherein, by telescopic arm lower arm 31
Hydraulic driving mode can be used in the telescopic arm formed with telescopic arm upper arm 32.
In use, the mobile platform 1 respectively drives, gripping body 2 clamps connection sheet, positioning mechanism 3 clamps power electric
Chi Mo group.After feeding, mobile platform 1 drives the gripping body 2 and positioning mechanism 3 to laser welding processing district again
Domain, subsequent telescopic arm upper arm 32 is by the height of upper and lower telescopic adjustment welding mechanism 4, and the welding mechanism 4 exists after adjusting
The top of telescopic arm upper arm 32 slidably reciprocates, and disposably carries out weld job to the connection sheet in power battery module.It has welded
Bi Hou, welding mechanism 4 rises reset in company with telescopic arm upper arm 32 together, after the driving positioning mechanism 3 of mobile platform 1 is together with welding
Power battery module moves together subsequent work stations.By by gripping body 2, positioning mechanism 3 and welding mechanism 4 is integrated arrives
On same device, reduces the area occupied of each equipment, optimize production line；Mobile platform 1, telescopic arm and sliding are used simultaneously
Welding mechanism 4 form gantry and weld operation form, the working range of gripping body 2 and welding mechanism 4 is expanded, convenient for primary
Property weld job is carried out to the connection sheet of power battery module, greatly improve the intelligence degree and operation of whole device
Efficiency.
It continues to refer to figure 1, the mobile platform 1 includes equipped with the first lead screw 11, the first sliding block 12, the second sliding block 13, the
One lead screw base 14 and first motor 15；First lead screw 11, which is mounted on the first lead screw base 14 and is driven with first motor 15, to be connected
It connects；First sliding block 12, the second sliding block 13 are installed on the first lead screw 11；First sliding block 12 connects with gripping body 2
It connects；Second sliding block 13 and telescopic arm lower arm 31 are affixed.Similarly, this screw slider driving method can also drive for rack-and-pinion
It is dynamic.
Specifically, as shown in Figure 2,3, the gripping body 2 includes gripper assembly 21 and clamping arm component 22.The folder
Taking component 21 includes a circular clamping platform 23 and four groups of clamping components 24；Each clamping component 24 includes pedestal 241, folder
Take the first 242, second motor 243 and the second lead screw 244 equipped with third sliding block 245；The setting of pedestal 241 is in clamping platform
It is distributed on 23 and along the circumference of clamping platform 23 in equal indicative；First sliding groove 246, the clamping are offered on the pedestal 241
First 242 are slidably arranged in first sliding groove 246；Second motor 243 is sequentially connected and is set along with the second lead screw 244
In clamping platform 23；The pedestal 241 and the third sliding block 245 on the second lead screw 244 are affixed.When feeding, described second
Bar 244 can drive the pedestal 241 close to the center of clamping platform 23, then respectively clamp the stretching of head 242 and the company of clamping
Contact pin；When blanking, each head 242 that clamps is retracted along first sliding groove 246 and unclamps connection sheet, and the second lead screw 244 drives pedestal 241
Return to initial position.More preferably, in order to realize the automatic identification positioning to all connection sheet welding positions, increase the positioning of welding
Precision, the gripper assembly 21 further include vision positioning component 25.It is sliding that the clamping platform 23 is also provided with one circular second
Slot 231；The vision positioning component 25 is equipped with a connecting rod 251；The vision positioning component 25 is by connecting rod 251 in institute
It states and is moved in second sliding slot 231, and identification positioning is carried out to the connection sheet on clamping platform 23.
The clamping arm component 22 include third motor 221, clamping lower arm 222, the 4th motor 223, clamping in arm 224,
5th motor 225, clamping upper arm 226 and clamping forearm 227；One end of the third motor 221 and the first sliding block 12 are affixed,
The other end is connect by clamping lower arm 222 with the 4th motor 223；4th motor 223 passes through arm 224 in clamping and the 5th electricity
Machine 225 connects, and the pivot center of the 4th motor 223 is each perpendicular to the axis of third motor 221 and the 5th motor 225；It is described
The output end of 5th motor 225 is connect with clamping upper arm 226；Described 227 one end of clamping forearm is plugged in clamping upper arm 226
And scalable movement, the lower surface of the other end and clamping platform 23 are affixed.When clamping 22 operation of arm component, pass through third
Motor 221 adjusts the angle of the 4th motor 223, clamping platform 23 of the 4th motor 223 driving above it close to connection sheet or
Power battery module, then the 5th motor 225 adjusts the angle between clamping head 242, and clamping forearm 227 stretches, will press from both sides
First 242 are taken to move to clamping region or welding region and pick and place to connection sheet.Wherein, by clamping forearm 227 and clamping
The driving method for the telescopic rod that arm 226 forms can be air pressure driving or electrostriction mode.
Further, the positioning component 33 includes clamping limb 331 and clamping head 332；The clamping limb 331 with it is flexible
Arm lower arm 31 is laterally affixed；The clamping head 332 is plugged in the clamping limb 331, is completed by elastic movement to dynamic
Power battery modules fixing and unclasping.
With continued reference to Fig. 4, the welding mechanism 4 includes welding arm component 41 and plumb joint 42；The welding arm component 41
The top on telescopic arm upper arm 32 and being located at clamping limb 331 is slidably arranged in by a slide unit component 5；The welding arm group
41 one end of part is connect with slide unit component 5, and the other end is connect with plumb joint 42.By being equipped with the slide unit component 5, described in driving
Together with plumb joint 42, side moves back and forth operation to welding arm component 41 on the gantry, expands the work model of plumb joint 42
It encloses.
Specifically, the slide unit component 5 includes third lead screw 51, third lead screw base 53 and the 6th equipped with Four-slider 52
Motor 54；The third lead screw base 53 is arranged on telescopic arm upper arm 32；The third lead screw 51 is mounted on third lead screw base 53
Above and with the 6th motor 54 it is sequentially connected；The Four-slider 52 and welding arm component 41 are affixed.The welding arm component 41 wraps
Arm 414, the 9th motor 415 and welding forearm 416 in including the 7th motor 411, welding postbrachium 412, the 8th motor 413, weld；Institute
It states 411 one end of the 7th motor and Four-slider 52 is affixed, the other end is coaxially connected by welding postbrachium 412 with the 8th motor 413
It connects；8th motor 413 is connect by arm 414 in welding with the 9th motor 415, and the pivot center of the 9th motor 415 hangs down
The axis of straight 8th motor 413；9th motor 415 is connect with welding forearm 416；The welding forearm 416 and plumb joint
42 connections.When operation, slide unit component 5 drives the welding arm component 41 to to-be-welded region, and telescopic arm upper arm 32 passes through flexible
The height of plumb joint 42 is adjusted, then adjusts the angle of the 9th motor 415, the 8th motor 413 2 for the first time by the 7th motor 411
The secondary angle for adjusting the 9th motor 415, last 9th motor 415 driving plumb joint 42, which rotates around it, goes to power battery in axis week
Welding position in mould group, subsequent plumb joint 42 carry out laser welding operation to connection sheet.
It should be understood that above embodiments are only to illustrate the technical solution of the utility model, it is rather than its limitations, right
For those skilled in the art, it can modify to technical solution illustrated in the above embodiments, or to part of skill
Art feature is equivalently replaced；And all such modifications and replacement, it all should belong to the protection of the appended claims for the utility model
Range.
Claims (10)
1. a kind of connection welding device, it is characterised in that: including mobile platform (1), the gripping body for clamping connection sheet
(2), the welding mechanism for fixing the positioning mechanism (3) of battery modules and for being welded on connection sheet in battery modules
(4)；The gripping body (2) is mounted on the mobile platform (1)；The positioning mechanism (3) include telescopic arm lower arm (31),
Telescopic arm upper arm (32) and positioning component (33)；The telescopic arm lower arm (31) is vertically installed on mobile platform (1)；It is described to stretch
Contracting arm upper arm (32) is plugged in telescopic arm lower arm (31) and can stretch up and down；The positioning component (33) is arranged under telescopic arm
On the arm body of arm (31)；The welding mechanism (4) is slidably arranged on the telescopic arm upper arm (32).
2. connection welding device according to claim 1, it is characterised in that: the gripping body (2) includes clamping group
Part (21) and clamping arm component (22)；Gripper assembly (21) setting is on the top of clamping arm component (22)；The folder
Arm component (22) are taken to be arranged on mobile platform (1)；The mobile platform (1) drives the gripper assembly (21) to move back and forth.
3. connection welding device according to claim 2, it is characterised in that: the gripper assembly (21) includes one round
Clamping platform (23) and multiple groups clamping component (24)；The clamping platform (23) connect with clamping arm component (22)；It is described every
One clamping component (24) includes pedestal (241), clamping head (242), the second motor (243) and is equipped with third sliding block (245)
Second lead screw (244)；Pedestal (241) setting is in equal indicative in clamping platform (23) and along the circumference of clamping platform (23)
Distribution；It is offered first sliding groove (246) on the pedestal (241), the clamping head (242) is slidably arranged in first sliding groove
(246) in；Second motor (243) and the second lead screw (244) are sequentially connected and are set along in clamping platform (23)；
The pedestal (241) and the third sliding block (245) on the second lead screw (244) are affixed.
4. connection welding device according to claim 3, it is characterised in that: the gripper assembly (21) further includes being used for
Automatic identification be located by connecting piece welding position vision positioning component (25)；The clamping platform (23) is also provided with a circle
Second sliding slot (231)；The vision positioning component (25) is equipped with a connecting rod (251)；The vision positioning component (25) is logical
Connecting rod (251) is crossed to move in the second sliding slot (231).
5. connection welding device according to claim 4, it is characterised in that: the clamping arm component (22) includes third
Motor (221), clamping lower arm (222), the 4th motor (223), clamping in arm (224), the 5th motor (225), clamping upper arm
(226) and forearm (227) are clamped；One end of the third motor (221) and mobile platform (1) are affixed, and the other end passes through clamping
Lower arm (222) is connect with the 4th motor (223)；4th motor (223) passes through arm (224) and the 5th motor in clamping
(225) it connects, and the pivot center of the 4th motor (223) is each perpendicular to the axis of third motor (221) and the 5th motor (225)
Line；The output end of 5th motor (225) is connect with clamping upper arm (226)；One end of clamping forearm (227) is plugged in
It clamps in upper arm (226) and scalable movement, the other end and the lower surface of clamping platform (23) is affixed.
6. connection welding device according to claim 1, it is characterised in that: the positioning component (33) further includes clamping
Arm (331) and clamping head (332)；The clamping limb (331) is laterally affixed with telescopic arm lower arm (31)；The clamping head (332)
It is plugged in the clamping limb (331) and elastic.
7. connection welding device according to claim 1, it is characterised in that: the welding mechanism (4) includes welding arm
Component (41) and plumb joint (42)；The welding arm component (41) is slidably arranged on telescopic arm by a slide unit component (5)
Top on arm (32) and positioned at clamping limb (331)；The welding arm component (41) one end is connect with slide unit component (5), another
End is connect with plumb joint (42).
8. connection welding device according to claim 7, it is characterised in that: the slide unit component (5) includes being equipped with the
Third lead screw (51), third lead screw base (53) and the 6th motor (54) of Four-slider (52)；Third lead screw base (53) setting
On telescopic arm upper arm (32)；The third lead screw (51) is mounted on third lead screw base (53) and is driven with the 6th motor (54)
Connection；The Four-slider (52) and welding arm component (41) are affixed.
9. connection welding device according to claim 8, it is characterised in that: the welding arm component (41) includes the 7th
Motor (411), welding postbrachium (412), the 8th motor (413), welding in arm (414), the 9th motor (415) and weld forearm
(416)；7th motor (411) one end and Four-slider (52) are affixed, and the other end passes through welding postbrachium (412) and the 8th electricity
Machine (413) is coaxially connected；8th motor (413) is connect by arm (414) in welding with the 9th motor (415), and the 9th
The axis of vertical 8th motor (413) of the pivot center of motor (415)；9th motor (415) and welding forearm (416) are even
It connects；The welding forearm (416) connect with plumb joint (42).
10. connection welding device according to claim 5, it is characterised in that: the mobile platform (1) includes being equipped with the
One lead screw (11), the first sliding block (12), the second sliding block (13), the first lead screw base (14) and first motor (15)；Described first
Thick stick (11) is mounted on the first lead screw base (14) and is sequentially connected with first motor (15)；First sliding block (12), second are slided
Block (13) is installed on the first lead screw (11)；First sliding block (12) and third motor (221) are affixed；Second sliding block
(13) affixed with telescopic arm lower arm (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081347.3U CN208728920U (en) | 2018-07-09 | 2018-07-09 | A kind of connection welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081347.3U CN208728920U (en) | 2018-07-09 | 2018-07-09 | A kind of connection welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208728920U true CN208728920U (en) | 2019-04-12 |
Family
ID=66025249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821081347.3U Active CN208728920U (en) | 2018-07-09 | 2018-07-09 | A kind of connection welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208728920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664537A (en) * | 2021-09-24 | 2021-11-19 | 惠州市振邦精密五金有限公司 | Welding device for connecting sheet |
-
2018
- 2018-07-09 CN CN201821081347.3U patent/CN208728920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664537A (en) * | 2021-09-24 | 2021-11-19 | 惠州市振邦精密五金有限公司 | Welding device for connecting sheet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111889287B (en) | Casing spraying production line equipment for computer production | |
| CN214850909U (en) | Feeding and discharging device used on multi-station rotor winding machine | |
| CN109877520A (en) | A kind of positioner based on welding robot | |
| CN103639562A (en) | Automatic welding device for solar junction box | |
| CN110000300A (en) | A kind of intelligent multifunctional stand alone type line manipulator | |
| CN208728920U (en) | A kind of connection welding device | |
| CN209664654U (en) | A kind of robot welding workstation | |
| CN209078087U (en) | Solder strip traction device and string welding machine | |
| CN203304742U (en) | Welding robot workstation for electronic control cabinet frame | |
| CN208628738U (en) | Battery core mould group side panel welds accurate positioning device and high precision electro core model group side panel welding robot | |
| CN208132996U (en) | A kind of industrial robot parallel clamp component | |
| CN203621900U (en) | Wire drawing and cutting device | |
| CN215280251U (en) | Automatic wire welding device | |
| CN210042737U (en) | Plug-in robot | |
| CN208539016U (en) | Battery core mould group and side panel attaching device and battery core mould group side panel welding robot | |
| CN208304133U (en) | A kind of full-automatic welding machine | |
| CN110253647A (en) | Insulation strip cuts equipment | |
| CN208556323U (en) | A kind of battery pole piece welding tooling | |
| CN220744543U (en) | PCB board transfer device | |
| CN209503318U (en) | A kind of robot welding fixture | |
| CN220592038U (en) | Compact new energy battery frame welding tool adapting to workpieces with multiple types | |
| CN219986961U (en) | Workpiece transfer device of rotary indexing table | |
| CN214378013U (en) | Novel coil press | |
| CN215902952U (en) | Spot welding device for welding outgoing line copper bar of transformer winding | |
| CN214515644U (en) | Gluing robot with gluing gun capable of being flexibly used at multiple angles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220823 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. |