CN208772654U - Automatic tin pellet bonding machine - Google Patents
Automatic tin pellet bonding machine Download PDFInfo
- Publication number
- CN208772654U CN208772654U CN201821024456.1U CN201821024456U CN208772654U CN 208772654 U CN208772654 U CN 208772654U CN 201821024456 U CN201821024456 U CN 201821024456U CN 208772654 U CN208772654 U CN 208772654U
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- China
- Prior art keywords
- axis
- tin ball
- tin
- product
- slide
- 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.)
- Expired - Fee Related
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000008188 pellet Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000007499 fusion processing Methods 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- NNIPDXPTJYIMKW-UHFFFAOYSA-N iron tin Chemical compound [Fe].[Sn] NNIPDXPTJYIMKW-UHFFFAOYSA-N 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model belongs to laser scolding tin field, more particularly to a kind of automatic tin pellet bonding machine, it include: workbench, for placing the product platform deck of product to be welded, the tin ball sending mechanism of tin ball is supplied on product to be welded into product platform deck, laser, XYZ three-shaft displacement mechanism and control mould group, operator only needs to place product to be welded in product platform deck on the table when use, start work, the position that tin ball feed mechanism welds as needed carries out X-axis under the driving of XYZ three-shaft displacement mechanism, Y-axis, the flexible modulation of Z axis position, high degree of automation, welding is accurate, work efficiency is high, and the utility model emits laser beam by the tin ball in laser Xiang Xiqiu sending mechanism first, it is transported in the product to be welded of product platform deck by tin ball feed mechanism again after melting tin ball, utilize tin ball The energy of itself welds product to be welded in fusion process, thus heat-affected zone is very little, and interference phenomenon will not be generated in welding process, and security performance is high.
Description
Technical field
The invention belongs to laser scolding tin field more particularly to a kind of automatic tin pellet bonding machines.
Background technique
It is well known that so-called welding is the solid conductive heat body by the air-flow of high temperature, the liquid of high temperature or high temperature to route
The substrates such as plate, wire rod, electronic device carry out whole heating of whole workpiece or a wide range of or single individual, so that neighbouring
Solder becomes fluid state or liquid under the auxiliary of scaling powder, reaches the effect of engagement after cooling with substrate formation adhesion
Fruit.Traditional tin soldering machine mainly includes welding stage and solder horn, although this tin soldering machine can be directed to different substrate shapes or ruler
It is very little, the solder horn of different shape or size is freely replaced, but solder horn certainly will be will cause by frequently replacing to solder horn
Consumption is huge, increases industrial products consumption, results in waste of resources, and in addition to this, there is also following several scarce for traditional tin soldering machine
It falls into:
1, belong to contact processing, generate mechanical stress or thermal stress is larger, be easy to cause dislodged parts phenomenon, exist
The hidden danger that wire rod and transmission performance are damaged；
2, the course of work needs scaling powder, can generate toxic and harmful gas, pollute the environment, or even the harm person is strong
Health is unfavorable for the long-run development of society；
3, weld interval is long, and working efficiency is low, can not accomplish fixed point, timing, quantitative welding；
4, as wire rod processing process and technology develop, for the further microminiaturization of connector, PCB and terminal sizes,
Traditional tin soldering machine can not efficiently realize the precision welding of micro devices；
5, heating surface (area) (HS is big, when the welding mean that there are temperature-sensitive device, traditional full page should not be used to heat on substrate.
Under this market background, laser scolding tin technology is come into being.Laser scolding tin technology, which is that laser processing is maximum, answers
With one of field.Laser scolding tin be using laser generate pulse laser after expanding, reflecting, focus RADIATION PROCESSING part etc.
Substrate surface, surface heat are internally spread by heat transfer, by digitize the width of accurate control laser pulse, energy,
The parameters such as peak power and repetition rate, melt workpiece, form specific molten bath, to realize the Laser Welding to work piece
Tin completes the accurate scolding tin that traditional handicraft cannot achieve.Scolding tin mode based on laser scolding tin technology is relative to traditional soldering iron
Tin soldering machine has many advantages, such as that consumptive material is few, precision is high, low in energy consumption, is widely used in laser scolding tin field.Although existing
Laser tin soldering machine may be implemented the welding of most of product, but for the micro devices of such as mobile phone camera etc,
Interference phenomenon can be still generated during scolding tin, be easy to cause products or components to generate shifting phenomena, influenced welding precision, very
To there are security risks.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, a kind of high degree of automation, time saving and energy saving, work are provided
Make that high-efficient, welding precision is high and automatic tin pellet bonding machine there is no security risk.
The present invention solves technical solution used by above-mentioned the deficiencies in the prior art:
A kind of automatic tin pellet bonding machine characterized by comprising
Workbench, for carrying the other components being disposed thereon；
Product platform deck is arranged on the workbench, for placing product to be welded；
Tin ball sending mechanism is arranged above the product platform deck, for the product to be welded into the product platform deck
Supply tin ball；
Laser, the tin ball for supplying to the tin ball sending mechanism emit laser beam, melt the tin ball；
XYZ three-shaft displacement mechanism is erected above the workbench, for drive the tin ball sending mechanism carry out X-axis,
Y-axis and Z-direction displacement；
Mould group is controlled, the tin ball sending mechanism, laser and XYZ three-shaft displacement mechanism are electrically connected.
Preferably, heretofore described tin ball sending mechanism includes feed end, material containing rotating disk, rotary drive motor, blows
Gas end, discharge end, the material containing rotating disk are located at below the feed end, and the material containing rotating disk, which receives, comes from the feed end
In tin ball, the rotary drive motor is connected with the material containing rotating disk, and the material containing rotating disk drives electricity in the rotation
It is rotated under the driving of machine, the discharge end is set to below the rotating disk, and the material containing rotating disk is in rotary course
Tin ball is delivered to the discharge end, the laser melts the tin ball transmitting laser beam in the discharge end, described
Blowing end is set to the discharge end side, and the blowing end is blown to the tin ball melted in the discharge end, blown
It drops down on the product to be welded in the product platform deck.The present invention is blown off the tin ball melted in discharge end using the air blowing of blowing end
To pad, welding precisely, can also be with accurate welding, since the present invention is to utilize even with small products or components
The energy of itself welds product to be welded in tin ball fusion process, thus heat-affected zone is very little, in welding process
Interference phenomenon will not be generated, security performance is high.
Preferably, the gas of heretofore described blowing end blowout is nitrogen.
Preferably, it is additionally provided with useless tin collection box on heretofore described workbench, feed end can be supplied before welding
The tin ball given is screened, and is collected the unqualified useless tin of quality, is prevented from causing weld job adverse effect, and welding essence is improved
Degree.
Preferably, heretofore described automatic tin pellet bonding machine is additionally provided with positioning mechanism, to the tin ball sending mechanism with
The position of the product to be welded is accurately positioned, and welding precision is further increased.
Preferably, heretofore described positioning mechanism includes upper positioning camera and lower positioning camera, the upper positioning phase
Machine is arranged in the XYZ three-shaft displacement mechanism of the tin ball sending mechanism side, and the lower positioning camera is arranged in the useless tin
On the workbench of collection box side.
Preferably, heretofore described XYZ three-shaft displacement mechanism is that side is provided with X-axis slide rail, X on the workbench
Axis auxiliary rail and X-axis driving motor, the X-axis slide rail and the X-axis auxiliary rail are arranged in parallel in opposite directions, set in the X-axis slide rail
Having can be connected along its X-axis slide free to slide, the X-axis driving motor with the X-axis slide, set on the X-axis auxiliary rail
Slide can be assisted along its X-axis free to slide by having, and the X-axis slide and X-axis auxiliary slide are equipped with Y-axis sliding rail and Y-axis driving
Motor, the Y-axis sliding rail is equipped with can be along its Y-axis slide free to slide, the Y-axis driving motor and the Y-axis slide phase
Even, the Y-axis slide is equipped with Z axis slide rail and Z axis driving motor, and the Z axis slide rail is equipped with can be along its Z axis free to slide
Slide, the Z axis driving motor are connected with the Z axis slide, and the tin ball sending mechanism is arranged on the Z axis slide.Tin
Ball sending mechanism can carry out X-axis, Y-axis and Z-direction displacement under the driving of XYZ three-shaft displacement mechanism, according to product to be welded
Or the position of the position flexible modulation tin ball sending mechanism at position, pad is accurate, and work efficiency is high, can be adapted for any ruler
Very little product, has a wide range of application.
The invention has the advantages that due to tin pellet bonding machine of the invention automatic include: be disposed thereon for carrying it is other
The workbench of component, the product platform deck of setting on the workbench, for placing product to be welded, is arranged in the product platform deck
Side, the tin ball sending mechanism that tin ball is supplied on the product to be welded into the product platform deck, for being given to the tin ball
The laser that the tin ball of mechanism supply emits laser beam, melts the tin ball, is erected above the workbench, is used for
It drives the tin ball sending mechanism to carry out the XYZ three-shaft displacement mechanism of X-axis, Y-axis and Z-direction displacement, is electrically connected the tin
The control mould group of ball sending mechanism, laser and XYZ three-shaft displacement mechanism, thus only need will be to be welded by operator when use
Product is placed in product platform deck on the table, starts work, the position that tin ball feed mechanism welds as needed is in XYZ tri-
X-axis, Y-axis, the flexible modulation of Z axis position are carried out under the driving of axial displacement mechanism, high degree of automation, precisely, work is imitated for welding
Rate is high.And after the present invention is emitted laser beam, melts tin ball by the tin ball in laser Xiang Xiqiu sending mechanism first
It is transported in the product to be welded of product platform deck by tin ball feed mechanism again, can use in tin ball fusion process the energy of itself
Amount welds product to be welded, thus heat-affected zone is very little, and interference phenomenon will not be generated in welding process, safety
It can be high.
Detailed description of the invention
Fig. 1 is a kind of example structure schematic diagram and a kind of signal of preferred embodiment of the automatic tin pellet bonding machine of the present invention
Figure.
Fig. 2 is a kind of example structure connection block diagram of tin ball sending mechanism of the present invention and laser.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
Fig. 1, Fig. 2 shows a kind of example structure schematic diagram of automatic tin pellet bonding machine of the invention and a kind of preferred realities
Illustration is applied to be intended to.As shown in Figure 1 and Figure 2, automatic tin pellet bonding machine described in the present embodiment, comprising: workbench 10, product platform deck 20,
Tin ball sending mechanism 30, laser 40, XYZ three-shaft displacement mechanism 50, control mould group 60, wherein the workbench 10 is for carrying
The other components being disposed thereon；The product platform deck 20 is arranged on the workbench 10, for placing product to be welded；The tin
Ball sending mechanism 30 is arranged above the product platform deck 20, supplies tin on the product to be welded into the product platform deck
Ball；The tin ball transmitting laser beam that the laser 40 is used to supply to the tin ball sending mechanism, melts the tin ball；
XYZ three-shaft displacement mechanism 50 is erected above the workbench, for driving the tin ball sending mechanism to carry out X-axis, Y-axis
It is displaced with Z-direction；The control mould group 60 is electrically connected the tin ball sending mechanism, laser and XYZ three-shaft displacement machine
Structure.
Preferably, as shown in Fig. 2, the sending mechanism of tin ball described in the present embodiment 30 include feed end 31,
Material containing rotating disk 32, rotary drive motor 33, blowing end 34, discharge end 35, the material containing rotating disk 32 are located at the feed end
31 lower sections, the material containing rotating disk 32 receive the tin ball in the feed end 31, the rotary drive motor 33 with it is described
Material containing rotating disk 32 be connected, the material containing rotating disk 32 is rotated under the driving of the rotary drive motor 33, it is described go out
Material end 35 is set to below the rotating disk, and tin ball is delivered to the discharge end in rotary course by the material containing rotating disk
35, the laser 40 melts the tin ball transmitting laser beam in the discharge end 35, and the blowing end 34 is set to institute
35 side of discharge end is stated, the blowing end 34 is blown to the tin ball melted in the discharge end, blown off to the production
On product to be welded in product microscope carrier 20.Tin ball sending mechanism described in the present embodiment is will be in discharge end using the air blowing of blowing end
The tin ball of fusing is blown off to pad, welding precisely, even with small products or components, can also with accurate welding, by
Be in the present invention product to be welded is welded using the energy of itself in tin ball fusion process, thus heat-affected zone it is micro- its
It is micro-, interference phenomenon will not be generated in welding process, security performance is high.Preferably, blowing end 34 described in the present embodiment is blown out
Gas is nitrogen.
Preferably, in Fig. 1 it can be seen from be additionally provided with useless tin on workbench 10 described in the present embodiment
Collection box 70 can before welding screen the tin ball of feed end supply, collect the unqualified useless tin of quality, prevent butt welding
It connects operation and causes adverse effect, improve welding precision.
Preferably, as shown in Figure 1, automatic tin pellet bonding machine described in the present embodiment is additionally provided with localization machine
Structure is accurately positioned the tin ball sending mechanism and the position of the product to be welded, further increases welding precision.It is preferred that
, as shown in Figure 1, positioning mechanism described in the present embodiment includes upper positioning camera 81 and lower positioning camera 82, it is described fixed
Position camera 81 is arranged in the XYZ three-shaft displacement mechanism 50 of the tin ball sending mechanism side, and the lower positioning camera 82 is arranged
On the workbench 10 of useless 70 side of tin collection box.
Preferably, as shown in Figure 1, XYZ three-shaft displacement mechanism described in the present embodiment 50 is described
It is provided with X-axis slide rail 51, X-axis auxiliary rail 52 and X-axis driving motor 53 above workbench, the X-axis slide rail 51 and the X-axis are auxiliary
Help rail 52 to be arranged in parallel in opposite directions, the X-axis slide rail be equipped with can along its X-axis slide free to slide, the X-axis driving motor with
The X-axis slide is connected, and the X-axis auxiliary rail, which is equipped with, to assist slide, the X-axis slide and X along its X-axis free to slide
Axis assists slide to be equipped with Y-axis sliding rail 54 and Y-axis driving motor 55, and the Y-axis sliding rail is equipped with can be along its Y-axis free to slide
Slide, the Y-axis driving motor are connected with the Y-axis slide, and the Y-axis slide is equipped with Z axis slide rail 56 and Z axis driving motor
57, the Z axis slide rail, which is equipped with, to be connected along its Z axis slide free to slide, the Z axis driving motor with the Z axis slide,
The tin ball sending mechanism 30 is arranged on the Z axis slide.Tin ball sending mechanism can under the driving of XYZ three-shaft displacement mechanism
To carry out X-axis, Y-axis and Z-direction displacement, according to the position of product to be welded or the position flexible modulation tin ball sending mechanism at position
It sets, pad is accurate, and work efficiency is high, can be adapted for the product of arbitrary dimension, has a wide range of application.
Preferably, control mould group 60 described in the present embodiment includes human body interactive terminal 61, industry control cabinet
With the controller of industry control cabinet inside, the controller is programmable controller PLC (Programmable Logic
Controller), the tin ball sending mechanism, laser and XYZ three-shaft displacement mechanism is electrically connected in PLC controller,
For controlling welding process, high degree of automation.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (6)
1. a kind of automatic tin pellet bonding machine, which is characterized in that including workbench, product platform deck, tin ball sending mechanism, laser, XYZ
Three-shaft displacement mechanism and control mould group, in which:
The workbench is for carrying the other components being disposed thereon；
The product platform deck is arranged on the workbench, for placing product to be welded；
The tin ball sending mechanism is arranged above the product platform deck, supplies on the product to be welded into the product platform deck
Give tin ball；The tin ball sending mechanism includes feed end, material containing rotating disk, rotary drive motor, blowing end, discharge end, described
Material containing rotating disk is located at below the feed end, and the material containing rotating disk receives the tin ball in the feed end, the rotation
Turn driving motor to be connected with the material containing rotating disk, the material containing rotating disk is turned under the driving of the rotary drive motor
Dynamic, the discharge end is set to below the material containing rotating disk, and tin ball is delivered to by the material containing rotating disk in rotary course
The discharge end, the laser melt the tin ball transmitting laser beam in the discharge end, and the blowing end is set to
The discharge end side, the blowing end are blown to the tin ball melted in the discharge end, are blown off to the product
On product to be welded in microscope carrier；
The tin ball transmitting laser beam that the laser is used to supply to the tin ball sending mechanism, melts the tin ball；
XYZ three-shaft displacement mechanism is erected above the workbench, for driving the tin ball sending mechanism to carry out X-axis, Y
Axis and Z-direction displacement；
The control mould group is electrically connected the tin ball sending mechanism, laser and XYZ three-shaft displacement mechanism.
2. automatic tin pellet bonding machine according to claim 1, which is characterized in that the gas of the blowing end blowout is nitrogen.
3. automatic tin pellet bonding machine according to claim 2, which is characterized in that be additionally provided with useless tin on the workbench and collect
Box.
4. automatic tin pellet bonding machine according to claim 3, which is characterized in that be additionally provided with positioning mechanism on the workbench.
5. automatic tin pellet bonding machine according to claim 4, which is characterized in that the positioning mechanism include upper positioning camera with
Lower positioning camera, the upper positioning camera is arranged in the XYZ three-shaft displacement mechanism of the tin ball sending mechanism side, under described
Positioning camera is arranged on the workbench of the useless tin collection box side.
6. automatic tin pellet bonding machine according to claim 1, which is characterized in that XYZ three-shaft displacement mechanism is described
It is provided with X-axis slide rail, X-axis auxiliary rail and X-axis driving motor above workbench, the X-axis slide rail and the X-axis auxiliary rail are opposite
It is arranged in parallel, the X-axis slide rail is equipped with can be along its X-axis slide free to slide, and the X-axis driving motor and the X-axis are sliding
Seat is connected, and the X-axis auxiliary rail is equipped with can assist slide along its X-axis free to slide, and the X-axis slide and X-axis auxiliary are slided
Seat is equipped with Y-axis sliding rail and Y-axis driving motor, and the Y-axis sliding rail is equipped with can be along its Y-axis slide free to slide, the Y-axis
Driving motor is connected with the Y-axis slide, and the Y-axis slide is equipped with Z axis slide rail and Z axis driving motor, in the Z axis slide rail
Equipped with can be connected along its Z axis slide free to slide, the Z axis driving motor with the Z axis slide, the tin ball sending mechanism
It is arranged on the Z axis slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024456.1U CN208772654U (en) | 2018-06-30 | 2018-06-30 | Automatic tin pellet bonding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024456.1U CN208772654U (en) | 2018-06-30 | 2018-06-30 | Automatic tin pellet bonding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208772654U true CN208772654U (en) | 2019-04-23 |
Family
ID=66153049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821024456.1U Expired - Fee Related CN208772654U (en) | 2018-06-30 | 2018-06-30 | Automatic tin pellet bonding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208772654U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203605A (en) * | 2020-01-16 | 2020-05-29 | 立讯智造(浙江)有限公司 | Laser welding method and soldering machine |
| CN111702275A (en) * | 2020-06-30 | 2020-09-25 | 由力自动化科技(上海)有限公司 | Automatic wire laser soldering machine |
| CN113579397A (en) * | 2021-07-28 | 2021-11-02 | 歌尔科技有限公司 | Welding equipment |
-
2018
- 2018-06-30 CN CN201821024456.1U patent/CN208772654U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203605A (en) * | 2020-01-16 | 2020-05-29 | 立讯智造(浙江)有限公司 | Laser welding method and soldering machine |
| CN111203605B (en) * | 2020-01-16 | 2022-03-08 | 立讯智造(浙江)有限公司 | Laser welding method and soldering machine |
| CN111702275A (en) * | 2020-06-30 | 2020-09-25 | 由力自动化科技(上海)有限公司 | Automatic wire laser soldering machine |
| CN113579397A (en) * | 2021-07-28 | 2021-11-02 | 歌尔科技有限公司 | Welding equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |