CN109548317A - A kind of high-precision alignment device and method for unilateral pad - Google Patents
A kind of high-precision alignment device and method for unilateral pad Download PDFInfo
- Publication number
- CN109548317A CN109548317A CN201910016775.0A CN201910016775A CN109548317A CN 109548317 A CN109548317 A CN 109548317A CN 201910016775 A CN201910016775 A CN 201910016775A CN 109548317 A CN109548317 A CN 109548317A
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- Prior art keywords
- grip block
- screw rod
- motor
- workbench
- precision alignment
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/166—Alignment or registration; Control of registration
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automatic Assembly (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses a kind of high-precision alignment devices and method for unilateral pad, wherein, high-precision alignment device for unilateral pad includes workbench, the first symmetrical clamping device is provided at left and right sides of the workbench top, the second clamping device is installed on first clamping device, the workbench is internally provided with installation cavity, patch positioning mechanism is provided in the installation cavity, the installation cavity top is provided with partition, the upper surface of the partition and the upper surface flush of workbench, the configuration of the present invention is simple, it is cheap, it is readily produced, to the good fixing effect of wiring board, it is easy to use, and it being capable of simply positioning line fault plate and surface mount elements, improve the yields of product.
Description
Technical field
The present invention relates to wiring board processing technique field, specially a kind of high-precision alignment device for unilateral pad and
Method.
Background technique
Wiring board, i.e. circuit board, also known as printed wiring board or printed circuit board make circuit miniaturization, intuitiveization, for solid
The batch production and optimization electrical appliance layout for determining circuit play an important role.In the production process of wiring board, the pin of element passes through
Fairlead on pcb board, is weldingly fixed on pcb board with scolding tin, and the copper foil of fairlead and surrounding is known as pad, passes through pcb board
On printed conductor pad is connected, can be achieved with the electrical connection of element in circuit.In assist side process,
SMT patch is a kind of current more common processing method.SMT is surface installation technique (surface mounting technology) (Surface
The abbreviation of Mounted Technology), it is most popular a kind of technology and equipment in electronic assembly industry.It is a kind of by nothing
Pin or short leg surface-assembled component (abbreviation SMC/SMD, Chinese claim sheet component) are mounted on printed circuit board
On the surface of (Printed Circuit Board, PCB) or the surface of other substrates, added by the methods of reflow welding or immersed solder
With the circuit load technology of welding assembly.
Current SMT chip mounter is when carrying out welding sequence, the fixed inconvenience of wiring board, and since wiring board clamping is unstable
The reasons such as fixed, the contraposition of pad is easy to appear error on element and wiring board when welding, influences the precision of product.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of high-precision alignment device and method for unilateral pad
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of high-precision alignment device for unilateral pad, including workbench, the workbench top left and right sides are set
It is equipped with the first symmetrical clamping device, the second clamping device is installed on first clamping device, in the workbench
Portion is provided with installation cavity, is provided with patch positioning mechanism in the installation cavity, and the installation cavity top is provided with partition, it is described every
The upper surface of plate and the upper surface flush of workbench.
Preferably, first clamping device includes electric pushrod, and the electric pushrod is fixedly mounted on workbench top,
The telescopic end of the electric pushrod is fixedly connected with grip block, and second clamping device is arranged on grip block.
Preferably, the upper surface of the partition offers sliding slot, and the grip block is slidably installed on the chute.
Preferably, second clamping device includes the first grip block and the second grip block, and the grip block is far from electronic
The end surface of push rod offers mounting groove, and the mounting groove is internally provided with driving mechanism, first grip block and second
Grip block is connected in driving mechanism, and the first grip block and the second grip block are in same horizontal line.
Preferably, the driving mechanism includes first motor, and the first motor is mounted on inside grip block, and described first
The output end of motor extends in mounting groove, and is fixedly installed with first bevel gear, and the front and rear sides of the first bevel gear are set
It is equipped with symmetrical the first screw rod and the second screw rod, the rear end of first screw rod, the front end of the second screw rod are rotatablely connected
On mounting groove inner sidewall, the front end of first screw rod is fixedly installed with second bevel gear, and the rear end of second screw rod is solid
Dingan County is equipped with third hand tap gear, and the second bevel gear, third hand tap gear are meshed with first bevel gear and connect, and described first
First sliding block is installed on screw rod, the second sliding block is installed on second screw rod, first sliding block and the second sliding block are sliding
Dynamic to be mounted in mounting groove, first grip block is fixed on the first sliding block, and second grip block is fixed on the second sliding block
On.
Preferably, first grip block and the second grip block end surface relative to each other are provided with anti-slop serrations.
Preferably, the patch positioning mechanism includes phase magnet, and the installation cavity inner bottom is provided with mobile mechanism,
The phase magnet is fixed on mobile mechanism top, and the partition is transparent thermal baffle.
Preferably, the mobile mechanism includes the first slide plate, and first slide plate slides are mounted on installation cavity inner bottom,
Second motor is installed, the output end of second motor is connected with the first screw rod, and first screw rod is remote in the installation cavity
One end from the second motor is rotatably connected on installation chamber inner sidewall, and first slide plate is mounted on the first screw rod, and described the
The upper surface of one slide plate offers shifting chute, and the second screw rod, second screw rod and the first screw rod are equipped in the shifting chute
Extending direction it is perpendicular, one end of the shifting chute is equipped with third motor, and the output end of the third motor extends to shifting
It is connected in dynamic slot and with the second screw rod, the second slide plate is installed, second slide plate slides are mounted on second screw rod
First slide plate top, the phase magnet are fixedly mounted on the second slide plate.
Preferably, a kind of high-precision alignment method for unilateral pad, includes the following steps:
1) wiring board is placed on the table, starts electric pushrod, make two grip blocks of left and right by route board clamping；
2) start first motor, make the first grip block on grip block and the second grip block one in front and one in back by wiring board into one
Step clamps；
3) workbench is transported to patch welding post, the second motor of starting and third motor, moves to phase magnet
The underface of pad to be processed on wiring board, then by surface mount elements place assist side pad locations to be processed on, in magnetic
Under power effect, surface mount elements are attracted on position to be welded.
Compared with prior art, the beneficial effects of the present invention are: wiring board is placed on workbench when clamping wiring board
Top, electric pushrod elongation make left and right two grip blocks relative movement, the left and right ends of wiring board are gripped, subsequent first
The rotation of motor driven first bevel gear drives the first screw rod and the second screw rod to rotate by engagement, thus the first folder of driving
It holds block and the second grip block relatively moves, the rear and front end of wiring board is gripped, the fixation procedure to wiring board is completed；The
One clamping device and the second clamping device can adapt to different size of wiring board, to be not required to when assist side specification changes
Change is made to device, adaptability is extensive；Sliding slot plays guiding function to the movement of grip block, keeps the mobile water of grip block
It is steady fixed；Anti-slop serrations increase the frictional force between grip block and wiring board, improve clamping stability；Pass through the second motor driven
The rotation of one screw rod drives the first slide plate mobile, while the second screw rod of third motor driven rotates, and drives the second slide plate mobile, the
The moving direction of one slide plate and the second slide plate is mutually perpendicular to, so as to which phase magnet is transported to any point on horizontal plane,
Phase magnet is transported to the underface at corresponding patch, so as to which the surface mount elements of placement in the circuit board are adsorbed,
The fixed effect to surface mount elements is played, Component Displacement is prevented.The configuration of the present invention is simple, it is cheap, it is readily produced, to route
The good fixing effect of plate, it is easy to use, and can simply positioning line fault plate and surface mount elements, improve the yields of product.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-precision alignment device for unilateral pad；
Fig. 2 is a kind of structural schematic diagram of the first clamping device in high-precision alignment device for unilateral pad；
Fig. 3 is a kind of structural schematic diagram of the second clamping device in high-precision alignment device for unilateral pad；
Fig. 4 is a kind of structural schematic diagram of patch positioning mechanism in high-precision alignment device for unilateral pad.
In figure: 1- workbench, the first clamping device of 2-, the second clamping device of 3-, 4- installation cavity, 5- patch positioning mechanism,
6- partition, 7- electric pushrod, 8- grip block, 9- sliding slot, 10- first motor, 11- mounting groove, the first screw rod of 12-, the second spiral shell of 13-
Bar, 14- second bevel gear, 15- third hand tap gear, 16- first bevel gear, the first sliding block of 17-, the first grip block of 18-, 19-
Two sliding blocks, the second grip block of 20-, the first slide plate of 21-, the second motor of 22-, the first screw rod of 23-, 24- shifting chute, 25- second
Bar, 26- third motor, the second slide plate of 27-, 28- phase magnet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1~4 are please referred to, the present invention provides a kind of technical solution: a kind of high-precision alignment device for unilateral pad,
Including workbench 1, the first symmetrical clamping device 2, first clamping are provided at left and right sides of 1 top of workbench
Second clamping device 3 is installed, the workbench 1 is internally provided with installation cavity 4, is provided with patch in the installation cavity 4 in mechanism 2
Piece positioning mechanism 5,4 top of installation cavity are provided with partition 6, and the upper surface of the partition 6 is equal with the upper surface of workbench 1
Together.
First clamping device 2 includes electric pushrod 7, and the electric pushrod 7 is fixedly mounted on 1 top of workbench, institute
The telescopic end for stating electric pushrod 7 is fixedly connected with grip block 8, and second clamping device 3 is arranged on grip block 8.
The upper surface of the partition 6 offers sliding slot 9, and the grip block 8 is slidably mounted on sliding slot 9,9 pairs of sliding slot clampings
Guiding function is played in the movement of plate 8, and the mobile and horizontal of grip block 8 is kept to stablize.
Second clamping device 3 includes the first grip block 18 and the second grip block 20, and the grip block 8 is pushed away far from electronic
The end surface of bar 7 offers mounting groove 11, and the mounting groove 11 is internally provided with driving mechanism, first grip block 18 with
Second grip block 20 is connected in driving mechanism, and the first grip block 18 and the second grip block 20 are in same horizontal line.
The driving mechanism includes first motor 10, and the first motor 10 is mounted on inside grip block 8, first electricity
The output end of machine 10 extends in mounting groove 11, and is fixedly installed with first bevel gear 16, the front and back of the first bevel gear 16
Two sides are provided with symmetrical the first screw rod 12 and the second screw rod 13, the rear end of first screw rod 12, the second screw rod 13
Front end is rotatably connected on 11 inner sidewall of mounting groove, and the front end of first screw rod 12 is fixedly installed with second bevel gear 14,
The rear end of second screw rod 13 is fixedly installed with third hand tap gear 15, the second bevel gear 14, third hand tap gear 15 with
First bevel gear 16 is meshed connection, and the first sliding block 17 is equipped on first screw rod 12, is installed on second screw rod 13
There is the second sliding block 19, first sliding block 17 and the second sliding block 19 are slidably mounted in mounting groove 11, first grip block
18 are fixed on the first sliding block 17, and second grip block 20 is fixed on the second sliding block 19.
First grip block 18 and the second grip block 20 end surface relative to each other are provided with anti-slop serrations, anti-slop serrations
The frictional force between grip block and wiring board is increased, clamping stability is improved.
When clamping wiring board, wiring board is placed on 1 top of workbench, electric pushrod 7 extends, and makes two grip blocks of left and right
8 relative movements, the left and right ends of wiring board are gripped, and subsequent first motor 10 drives first bevel gear 16 to rotate, and are passed through
Engagement drives the first screw rod 12 and the second screw rod 13 to rotate, so that the first grip block 18 of driving and the second grip block 20 are opposite
It is mobile, the rear and front end of wiring board is gripped, the fixation procedure to wiring board is completed；First clamping device and the second clamping
Mechanism can adapt to different size of wiring board, to not need to make device change when assist side specification changes, adapt to
Property is extensive.
The patch positioning mechanism 5 includes phase magnet 28, and 4 inner bottom of installation cavity is provided with mobile mechanism, institute
It states phase magnet 28 and is fixed on mobile mechanism top, the partition 6 is transparent thermal baffle.
The mobile mechanism includes the first slide plate 21, and first slide plate 21 is slidably mounted on 4 inner bottom of installation cavity, institute
It states and the second motor 22 is installed in installation cavity 4, the output end of second motor 22 is connected with the first screw rod 23, and described first
Bar 23 is rotatably connected on 4 inner sidewall of installation cavity far from one end of the second motor 22, and first slide plate 21 is mounted on first
On bar 23, the upper surface of first slide plate 21 offers shifting chute 24, and the second screw rod 25, institute are equipped in the shifting chute 24
The extending direction for stating the second screw rod 25 and the first screw rod 23 is perpendicular, and one end of the shifting chute 24 is equipped with third motor 26,
The output end of the third motor 26 extends in shifting chute 24 and is connected with the second screw rod 25, pacifies on second screw rod 25
Equipped with the second slide plate 27, second slide plate 27 is slidably mounted on 21 top of the first slide plate, and the phase magnet 28 is fixedly mounted
In the second slide plate 27.
The rotation of the first screw rod 23 is driven by the second motor 22, drives the first slide plate 21 mobile, while third motor 26 drives
Dynamic second screw rod 25 rotation, drives the second slide plate 27 mobile, and the moving direction of the first slide plate 21 and the second slide plate 27 is mutually perpendicular to,
So as to which phase magnet 28 is transported to any point on horizontal plane, by phase magnet 28 be transported at corresponding patch just under
The fixed effect to surface mount elements is played, element is prevented so as to adsorb the surface mount elements of placement in the circuit board in side
Offset.
A kind of high-precision alignment method for unilateral pad, includes the following steps:
1) wiring board is placed on workbench 1, starts electric pushrod 7, make two grip blocks 8 of left and right by route board clamping；
2) start first motor 10, make the first grip block 18 on grip block 8 and the second grip block 20 one in front and one in back by line
Road plate further clamps；
3) workbench 1 is transported to patch welding post, the second motor of starting 22 and third motor 26, makes phase magnet 28
The underface of the pad to be processed on wiring board is moved to, then surface mount elements are placed to the pad locations to be processed of assist side
On, under magneticaction, surface mount elements are attracted on position to be welded.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of high-precision alignment device for unilateral pad, including workbench (1), it is characterised in that: the workbench (1)
It is provided with symmetrical the first clamping device (2) at left and right sides of top, the second folder is installed on first clamping device (2)
It holds mechanism (3), the workbench (1) is internally provided with installation cavity (4), is provided with patch positioning mechanism in the installation cavity (4)
(5), installation cavity (4) top is provided with partition (6), and the upper surface of the partition (6) is equal with the upper surface of workbench (1)
Together.
2. a kind of high-precision alignment device for unilateral pad according to claim 1, it is characterised in that: described first
Clamping device (2) includes electric pushrod (7), and the electric pushrod (7) is fixedly mounted on workbench (1) top, described electronic to push away
The telescopic end of bar (7) is fixedly connected with grip block (8), and second clamping device (3) is arranged on grip block (8).
3. a kind of high-precision alignment device for unilateral pad according to claim 2, it is characterised in that: the partition
(6) upper surface offers sliding slot (9), and the grip block (8) is slidably mounted on sliding slot (9).
4. a kind of high-precision alignment device for unilateral pad according to claim 3, it is characterised in that: described second
Clamping device (3) includes the first grip block (18) and the second grip block (20), and the grip block (8) is far from electric pushrod (7)
End surface offers mounting groove (11), and the mounting groove (11) is internally provided with driving mechanism, first grip block (18)
It is connected in driving mechanism with the second grip block (20), and the first grip block (18) and the second grip block (20) are in same level
On line.
5. a kind of high-precision alignment device for unilateral pad according to claim 4, it is characterised in that: the driving
Mechanism includes first motor (10), and the first motor (10) is mounted on that grip block (8) is internal, the first motor (10) it is defeated
Outlet extends in mounting groove (11), and is fixedly installed with first bevel gear (16), the front and back two of the first bevel gear (16)
Side is provided with symmetrical the first screw rod (12) and the second screw rod (13), the rear end of first screw rod (12), the second screw rod
(13) front end is rotatably connected on mounting groove (11) inner sidewall, and the front end of first screw rod (12) is fixedly installed with second
The rear end of bevel gear (14), second screw rod (13) is fixedly installed with third hand tap gear (15), the second bevel gear (14),
Third hand tap gear (15) is meshed with first bevel gear (16) and connect, and is equipped with the first sliding block on first screw rod (12)
(17), it is equipped with the second sliding block (19) on second screw rod (13), first sliding block (17) and the second sliding block (19) are sliding
Dynamic to be mounted in mounting groove (11), first grip block (18) is fixed on the first sliding block (17), second grip block
(20) it is fixed on the second sliding block (19).
6. a kind of high-precision alignment device for unilateral pad according to claim 5, it is characterised in that: described first
Grip block (18) and the second grip block (20) end surface relative to each other are provided with anti-slop serrations.
7. a kind of high-precision alignment device for unilateral pad according to claim 1, it is characterised in that: the patch
Positioning mechanism (5) includes phase magnet (28), and installation cavity (4) inner bottom is provided with mobile mechanism, the phase magnet
(28) it is fixed on mobile mechanism top, the partition (6) is transparent thermal baffle.
8. a kind of high-precision alignment device for unilateral pad according to claim 7, it is characterised in that: the movement
Mechanism includes the first slide plate (21), and first slide plate (21) is slidably mounted on installation cavity (4) inner bottom, the installation cavity
(4) it being equipped in the second motor (22), the output end of second motor (22) is connected with the first screw rod (23), and described first
Bar (23) is rotatably connected on installation cavity (4) inner sidewall far from the one end of the second motor (22), the first slide plate (21) installation
On the first screw rod (23), the upper surface of first slide plate (21) is offered shifting chute (24), peace in the shifting chute (24)
Equipped with the second screw rod (25), second screw rod (25) and the extending direction of the first screw rod (23) are perpendicular, the shifting chute
(24) one end is equipped with third motor (26), and the output end of the third motor (26) extends in shifting chute (24) and with
Two screw rods (25) are connected, and are equipped with the second slide plate (27) on second screw rod (25), the second slide plate (27) sliding peace
Mounted in the first slide plate (21) top, the phase magnet (28) is fixedly mounted on the second slide plate (27).
9. a kind of high-precision alignment method for unilateral pad, characterized by the following steps:
1) wiring board is placed on workbench (1), is started electric pushrod (7), press from both sides left and right two grip blocks (8) by wiring board
Tightly；
2) start first motor (10), make the first grip block (18) on grip block (8) and the second grip block (20) one in front and one in back
Wiring board is further clamped；
3) workbench (1) is transported to patch welding post, starts the second motor (22) and third motor (26), makes phase magnet
(28) underface of the pad to be processed on wiring board is moved to, then surface mount elements are placed to the pad position to be processed of assist side
It sets, under magneticaction, surface mount elements are attracted on position to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016775.0A CN109548317B (en) | 2019-01-08 | 2019-01-08 | High-precision alignment device and method for unilateral bonding pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016775.0A CN109548317B (en) | 2019-01-08 | 2019-01-08 | High-precision alignment device and method for unilateral bonding pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109548317A true CN109548317A (en) | 2019-03-29 |
| CN109548317B CN109548317B (en) | 2021-05-18 |
Family
ID=65834620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016775.0A Active CN109548317B (en) | 2019-01-08 | 2019-01-08 | High-precision alignment device and method for unilateral bonding pad |
Country Status (1)
| Country | Link |
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| CN (1) | CN109548317B (en) |
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| CN111246724A (en) * | 2020-03-04 | 2020-06-05 | 环维电子(上海)有限公司 | Side clamp jig of electronic module and use method thereof |
| CN111328255A (en) * | 2020-03-11 | 2020-06-23 | 深圳市斯奈尔科技有限公司 | Method for packaging mobile phone control chip |
| CN112475506A (en) * | 2020-11-25 | 2021-03-12 | 合肥迅驰电子科技有限责任公司 | Fixing clamp for welding circuit board |
| CN112475686A (en) * | 2020-11-25 | 2021-03-12 | 合肥迅驰电子科技有限责任公司 | Be used for diversified welding set of circuit board |
| CN112533394A (en) * | 2020-11-26 | 2021-03-19 | 重庆电子工程职业学院 | Chip mounting and clamping device |
| CN112616263A (en) * | 2020-11-12 | 2021-04-06 | 芯讯通无线科技（上海）有限公司 | Module, circuit board, automatic welding positioning system and method |
| CN113543622A (en) * | 2021-08-16 | 2021-10-22 | 如皋市大昌电子有限公司 | Laminating processing agency of modularization electron paster combination |
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| CN112616263A (en) * | 2020-11-12 | 2021-04-06 | 芯讯通无线科技（上海）有限公司 | Module, circuit board, automatic welding positioning system and method |
| CN112475506A (en) * | 2020-11-25 | 2021-03-12 | 合肥迅驰电子科技有限责任公司 | Fixing clamp for welding circuit board |
| CN112475686A (en) * | 2020-11-25 | 2021-03-12 | 合肥迅驰电子科技有限责任公司 | Be used for diversified welding set of circuit board |
| CN112533394A (en) * | 2020-11-26 | 2021-03-19 | 重庆电子工程职业学院 | Chip mounting and clamping device |
| CN112533394B (en) * | 2020-11-26 | 2021-10-15 | 重庆电子工程职业学院 | Chip mounting and clamping device |
| CN113543622A (en) * | 2021-08-16 | 2021-10-22 | 如皋市大昌电子有限公司 | Laminating processing agency of modularization electron paster combination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109548317B (en) | 2021-05-18 |
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Effective date of registration: 20221129 Address after: No. 11, Guohua Road, Guangde Economic Development Zone, Xuancheng City, Anhui Province, 242200 Patentee after: Anhui Dongou Electronic Technology Co.,Ltd. Address before: 242200 Guangde Economic Development Zone, Xuancheng City, Anhui Province Patentee before: GUANGDE SANYO ELECTRONICS Co.,Ltd. |