CN109759669B - Welding jig for welding Flex board and welding process thereof - Google Patents
Welding jig for welding Flex board and welding process thereof Download PDFInfo
- Publication number
- CN109759669B CN109759669B CN201910137444.2A CN201910137444A CN109759669B CN 109759669 B CN109759669 B CN 109759669B CN 201910137444 A CN201910137444 A CN 201910137444A CN 109759669 B CN109759669 B CN 109759669B
- Authority
- CN
- China
- Prior art keywords
- welding
- optical device
- flex
- flex board
- soldering
- 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
Images
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a welding jig for welding a Flex board and a welding process thereof, which are used for welding the Flex board sleeved on a connecting pin of an optical device. According to the soldering iron, the optical device to be soldered and the Flex plate sleeved on the connecting pins of the optical device are fixedly placed through the positioning groove in the base, the Flex plate is pressed through the pressing plate to be attached to the optical device, the pressing plate is pressed through the upper pressing table to prevent the welding position of the Flex plate and the optical device from being loosened, the soldering iron head is guided to move to the welding position through the welding groove opening to be soldered, and therefore the soldering iron head directly performs soldering on the connecting pins on the optical device in the soldering area, the soldering efficiency is improved, and the soldered connecting pins have good consistency.
Description
Technical Field
The invention relates to the field of circuit board welding production, in particular to a welding jig for welding a Flex board and a welding process thereof.
Background
The Flex board is a flexible board, as long as be used for making the circuit board, electronic component on general Flex board connects the Flex board and all needs to realize connecting through the welding, and thus the circuit connection of optical device need be realized on the Flex board through connecting the foot welding to the optical device of current area connection foot.
The prior art is single spot welding or manual welding, and is extremely low in efficiency, and welding uniformity is relatively poor, if adopt single-point automatic weld, welding procedure editor needs to program the location according to the position of every point, and the process is comparatively loaded down with trivial details complicacy, and need debug and the use in the maintenance cost height many times to the welding position of every connecting pin, and is low to the welding efficiency of small batch volume to it is inconvenient, if adopt manual welding, then wastes time and energy, and production efficiency is low.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a welding jig for welding a Flex board and a welding process thereof, and aims to solve the problem that the production efficiency of the prior Flex board is low in the welding process with an optical device.
The technical scheme of the invention is as follows:
a welding jig for welding a Flex board is used for welding the Flex board sleeved on a connecting pin of an optical device and comprises a base;
the positioning groove is formed in the upper surface of the base along the vertical direction and used for placing the optical device and enabling the Flex plate to protrude out of the notch of the positioning groove;
the pressing plate is arranged on the upper surface of the base and is tightly attached to the upper surface of the Flex plate, a welding through hole is formed in the pressing plate, and the pressing plate is used for enabling the optical device to be tightly attached to the Flex plate and enabling the welding area of the optical device and the Flex plate to be exposed out of the welding through hole;
the upper pressing table is arranged above the pressing plate and used for pressing the pressing plate;
the welding notch is formed in the upper pressing table, exposes the welding through hole in the pressing plate and is used for accommodating a welding soldering bit;
and the soldering iron head is directionally moved to the position of the soldering through hole along the soldering notch and is used for soldering the optical device and the soldering area of the Flex board.
Furthermore, ten locating grooves are formed in the base and are arranged side by side along the length direction of the base, ten welding through holes in the pressing plate correspond to the locating grooves, and ten welding notches correspond to the welding through holes.
Furthermore, the bottom of the positioning groove is provided with a blind hole, a spring is arranged in the blind hole, and one end of the spring abuts against the lower end of the optical device.
Further, the welding notch is long-strip-shaped and is arranged along the width direction, and one end of the welding notch along the width direction is opened and the other end is closed.
Further, the upper surface of the welding notch is provided with an inclined surface, and the height of the opening end of the welding notch is lower than that of the closed end.
Furthermore, the upper pressing table is provided with a connecting groove, the connecting groove is arranged along the length direction of the upper pressing table, and the connecting groove is communicated with the opening ends of the ten welding notches.
Furthermore, a first guide post is vertically embedded on the upper surface of the base in a clamping manner, a first guide hole is vertically formed in the pressing plate in a penetrating manner, and the first guide hole is sleeved on the first guide post and used for positioning the pressing plate.
Furthermore, a second guide post is vertically embedded on the upper surface of the base in a clamping manner, a second guide hole is vertically formed in the upper pressing table in a penetrating manner, and the second guide hole is sleeved on the second guide post and used for positioning the upper pressing table.
Further, handle grooves are formed in the two ends, located in the length direction, of the upper surface of the upper pressing table.
Further, the base is a die steel base, and the upper pressing table is a die steel upper pressing table.
A welding process for welding a Flex board is applied to the welding jig, and comprises the following steps:
programming a soldering bit walking track on an automatic dragging and welding machine in advance;
the Flex board is sleeved on the connecting pin of the optical device;
the optical device and the Flex board are arranged in a welding jig;
calling a program to enable a soldering bit to drag and weld the connecting pin of the optical device and the Flex board;
and taking the welded optical device and the Flex board out of the welding jig and detecting.
Compared with the prior art, the invention provides a welding jig for welding a Flex board and a welding process thereof, the optical device to be welded and the Flex plate sleeved on the connecting pin of the optical device are positioned and placed through the positioning groove on the base, the Flex plate is tightly pressed by the pressing plate to be tightly attached to the optical device, the pressing plate is pressed by the upper pressing table to prevent the welding position of the Flex plate and the optical device from loosening, the soldering iron head is guided to move to the welding position by the welding notch for welding, thereby realizing that the soldering iron head directly welds a plurality of connecting pins in the welding area without manual welding, improving the production efficiency, avoiding single-point welding of each connecting pin of the optical device, through compressing tightly Flex board and optical device, it is not hard up to have avoided appearing in the welding to make each connecting pin have good uniformity.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Fig. 2 is a cross-sectional view of a preferred embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is an exploded view of the preferred embodiment of the present invention.
Fig. 5 is an enlarged view of a portion B of fig. 4.
FIG. 6 is a flow chart of an embodiment of a welding process for Flex board welding.
The reference numbers in the figures: 100. an optical device; 200. a Flex board; 300. a base; 310. positioning a groove; 320. blind holes; 330. a spring; 340. a first guide post; 350. a second guide post; 400. pressing a plate; 410. welding the through hole; 420. a first guide hole; 500. an upper pressing table; 510. welding the notch; 511. an open end; 512. a closed end; 513. an inclined surface; 520. connecting grooves; 530. a second guide hole; 540. avoiding a void; 550. a handle slot; 600. a soldering iron tip.
Detailed Description
The invention provides a welding jig for welding a Flex board and a welding process thereof, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and taking examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2, and 3, the present embodiment is a welding jig for welding a Flex board, and is used for welding an optical device 100 and a Flex board 200, and includes a base 300, where the base 300 is made of mold steel to form a rectangle, a long side direction of the rectangular base 300 is a length direction, a second long side direction of the rectangle is a width direction, and a vertical direction of the long side direction is a height direction and is also a vertical direction. A positioning groove 310 is formed on a base 300, the positioning groove 310 is vertically formed on the upper surface of the base 300 and is used for placing an optical device 100, so that a welding end face of the optical device 100 faces upwards and protrudes out of a notch of the positioning groove 310, a Flex board 200 is sleeved on a connecting pin of the optical device 100, so that the Flex board 200 protrudes out of the notch of the positioning groove 310, the shape of the positioning groove 310 is matched with the outline of the optical device 100, the optical device 100 is conveniently arranged and fixed in the positioning groove 310 in a penetrating way without loosing, a pressing board 400 is arranged on the upper surface of the base 300, the surface area of the pressing board 400 is smaller than that of the upper surface of the base 300, the lower surface of the pressing board 400 is tightly attached to the upper surface of the Flex board 200, a welding through hole 410 is formed on the pressing board 400, so that the welding area of the optical device 100 and the Flex board 200 is exposed from the welding through hole 410, the welding area is the connecting pin, so that the optical device 100 is attached to the Flex board 200, the solder through-holes 410 in this embodiment are designed to be drop-shaped. The upper pressing table 500 is arranged above the pressing plate 400, and the upper pressing table 500 is a die steel upper pressing table 500, has high wear resistance and is convenient to use for a long time. The lower surface of the upper pressing table 500 is pressed on the pressing plate 400 to press the pressing plate 400, so that the Flex board 200 and the optical device 100 are not loosened; the upper pressing table 500 is provided with a welding notch 510, the welding notch 510 enables the welding through hole 410 on the pressing plate 400 to be exposed in a clearance mode, the welding notch 510 is used for accommodating a welding soldering iron head 600, and the soldering iron head 600 is directionally moved to the position of the welding through hole 410 along the welding notch 510 and welds the welding area of the optical device 100 and the Flex board 200.
In this embodiment, fix the optical device 100 that needs to be welded and the Flex board 200 of cover on the connection foot of optical device 100 through the constant head tank 310 on the base 300 and place, and compress tightly the Flex board 200 through the clamp plate 400, make the Flex board 200 paste tightly with optical device 100, thereby it is not hard up with the welding position of optical device 100 to press the clamp plate 400 through last pressure platform 500 again to prevent Flex board 200, weld after welding position through welding notch 510 to soldering iron 600 advance shape direction removal, thereby realize that soldering iron 600 directly welds a plurality of connection feet on the regional optical device 100 of welding, welding efficiency has been improved, each connection foot that welds has good uniformity.
As shown in fig. 1, 2 and 3, ten positioning slots 310 are formed in the base 300 and are arranged side by side along the length direction of the base 300, ten welding through holes 410 on the pressing plate 400 are formed corresponding to the positioning slots 310, and ten welding notches 510 are formed corresponding to the welding through holes 410; through set up a plurality of constant head tanks 310, welding through-hole 410 and welding notch 510 on base 300, can realize a plurality of Flex boards 200 of clamping and optical device 100 to once weld a plurality of Flex boards 200 and optical device 100, further improved production efficiency.
As shown in fig. 3, the bottom of the positioning groove 310 is provided with a blind hole 320, a spring 330 is arranged in the blind hole 320, when the optical device 100 is placed in the positioning groove 310, one end of the spring 330 can be pressed down by the optical device 100 to generate an elastic force, and the elastic force of the spring 330 enables the optical device 100 to be pushed upwards, so that the optical device is attached to the Flex board 200 more tightly, thereby better ensuring the welding effect.
Further, as shown in fig. 4 and 5, the welding notch 510 is a long strip shape arranged along the width direction, one end of the welding notch 510 in the width direction is open, and the other end is closed, and is an open end 511 and a closed end 512 respectively; the soldering tip 600 may enter the soldering notch 510 from the open end 511 thereof and move in the direction of the elongated extension to the closed end 512 of the soldering notch 510, and be positioned by the closed end 512 of the soldering notch 510 such that the soldering tip 600 is precisely positioned over the soldering through-hole 410 to facilitate the movement of the soldering tip 600 into and out of the soldering notch 510.
The upper surface of the welding notch 510 is provided with an inclined surface 513, and the height of the open end 511 of the welding notch 510 is lower than that of the closed end 512; when the soldering bit 600 moves along the elongated extending direction, the two side walls of the welding notch 510 are higher and higher, and the two side walls automatically align the soldering bit 600 in the middle of the welding notch, so that the soldering bit 600 can accurately reach the welding area.
As shown in fig. 1, 4 and 5, the upper pressing table 500 is provided with a connecting groove 520, the connecting groove 520 is arranged along the length direction of the upper pressing table 500, and the connecting groove 520 is communicated with the open ends 511 of the ten welding notches 510; the open ends 511 of all the welding notches 510 are communicated through the connecting groove 520, so that the soldering iron tip 600 can be conveniently moved in each welding notch 510, and the welding efficiency is improved.
As shown in fig. 1 and 4, further, a first guide post 340 is vertically embedded on the upper surface of the base 300, two first guide posts 340 are provided and located at two ends of the base 300 in the length direction, a first guide hole 420 vertically penetrates through the pressing plate 400, two first guide holes 420 are provided and located in a position matching with the first guide posts 340, and the first guide holes 420 are sleeved on the first guide posts 340 for positioning the pressing plate 400, so that the pressing plate 400 is fixed with the base 300 when pressed on the base 300.
The upper surface of the base 300 is vertically embedded with two second guide pillars 350, the second guide pillars 350 are provided with two ends located at the two ends of the length direction of the base 300, the upper pressing table 500 is provided with two second guide holes 530, the positions of the two second guide holes 530 are matched with those of the second guide pillars 350, and the second guide holes 530 are sleeved on the second guide pillars 350 and used for positioning the upper pressing table 500, so that the upper pressing table 500 is fixed with the base 300 when being pressed on the base 300. The upper pressing table 500 is provided with a clearance hole 540 at a position of the first guide post for inserting the first guide post.
As shown in fig. 1 and 4, handle grooves 550 are formed on the upper surface of the upper platen 500 at both ends in the longitudinal direction. When the upper pressing table 500 is assembled and disassembled, the upper pressing table 500 is lifted by being held on the handle groove 550 by hand, so that the upper pressing table 500 is convenient to disassemble, and the welded optical device 100 and the Flex board 200 are convenient to take out.
According to the welding jig for welding the Flex board, the optical device to be welded and the Flex board sleeved on the connecting pins of the optical device are positioned and placed through the positioning groove in the base, the Flex board is pressed through the pressing plate to be tightly attached to the optical device, the pressing plate is pressed on the upper pressing table to prevent the welding position of the Flex board and the optical device from being loosened, the soldering bit is guided to move to the welding position through the welding groove opening to be welded, and therefore the soldering bit can directly weld a plurality of connecting pins in the welding area directly without manual welding, production efficiency is improved, single-point welding of each connecting pin of the optical device is avoided, loosening in welding is avoided by pressing the Flex board and the optical device, and accordingly the connecting pins have good consistency.
As shown in fig. 6, the present invention further provides a welding process for welding a Flex board, which is applied to the welding jig, and includes the steps of:
and step S10, programming the soldering iron head walking track on the automatic drag welding machine in advance.
When the soldering iron is used for soldering a soldering area, the soldering iron on the automatic dragging and soldering machine can be used for soldering, the soldering process can be manually or automatically operated, automatic soldering is adopted in the embodiment, the walking track of the soldering iron is programmed, and the soldering iron is suitable for large-batch soldering of Flex boards and optical devices.
And step S20, sleeving a Flex board on the connecting pin of the optical device.
And S30, placing the optical device and the Flex board in a welding jig.
During concrete implementation, the constant head tank location on the base is placed and is needed to carry out the Flex board of welded optical device and cover on the connection foot of optical device, and compresses tightly the Flex board through the clamp plate, makes Flex board and optical device paste tightly, thereby presses the clamp plate through last pressure platform and prevent that the welding position of Flex board and optical device is not hard up, makes optical device and Flex board arrange in among the welding jig, the realization location that can be quick accurate like this, the mass production of being convenient for.
And step S40, calling a program to enable the soldering iron head to drag and weld the connecting pin between the optical device and the Flex board.
During specific implementation, the soldering iron head welds the welding region of every optical device and Flex board in the welding jig according to the procedure that sets up in advance, has a plurality of connection feet in the welding region, and the soldering iron head welds a plurality of connection feet in the welding region simultaneously, and once welds the completion, and traditional spot welding need weld every connection foot, compares with traditional spot welding, improves production efficiency.
And step S50, taking down the welded optical device and the Flex board from the welding jig and detecting.
When concrete implementation, through dragging welding machine and welding frock cooperation welding optical device and Flex board automatically to make the soldering iron directly weld a plurality of connection feet in welding region, through compressing tightly Flex board and optical device, it is not hard up to have avoided appearing in the welding, makes welding point on a plurality of connection feet mellow and smooth, full, thereby makes the solder joint of each connection foot have good uniformity, has improved the qualification rate of solder joint.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a be used for Flex board welded welding jig for the Flex board of establishing on optical device's connection foot is overlapped in the welding, including the base, its characterized in that still including: the positioning groove is formed in the upper surface of the base along the vertical direction and used for placing the optical device and enabling the Flex plate to protrude out of the notch of the positioning groove;
the pressing plate is arranged on the upper surface of the base and is tightly attached to the upper surface of the Flex plate, a welding through hole is formed in the pressing plate, and the pressing plate is used for enabling the optical device to be tightly attached to the Flex plate and enabling the welding area of the optical device and the Flex plate to be exposed out of the welding through hole;
the upper pressing table is arranged above the pressing plate and used for pressing the pressing plate;
the upper pressing table is provided with a connecting groove, the connecting groove is arranged along the length direction of the upper pressing table, and the connecting groove is communicated with the opening ends of the ten welding notches;
the welding notch is formed in the upper pressing table, exposes the welding through hole in the pressing plate and is used for accommodating a welding soldering bit;
the upper surface of the welding notch is provided with an inclined surface, and the height of the opening end of the welding notch is lower than that of the closed end;
and the soldering iron head is directionally moved to the position of the soldering through hole along the soldering notch and is used for soldering the optical device and the soldering area of the Flex board.
2. The tool of claim 1, wherein the positioning slots of the base are ten and are arranged side by side along the length direction of the base, the welding through holes of the pressure plate are ten corresponding to the positioning slots, and the welding notches are ten corresponding to the welding through holes.
3. The welding jig for Flex board welding of claim 2, wherein the bottom of the positioning groove is provided with a blind hole, a spring is arranged in the blind hole, and one end of the spring abuts against the lower end of the optical device.
4. The welding jig for Flex board welding of claim 2, wherein the welding notch is long strip shape arranged along the width direction, and one end of the welding notch along the width direction is open and the other end is closed.
5. The welding jig for Flex plate welding as claimed in claim 1, wherein the base has a first guide post vertically embedded on the upper surface, the pressing plate has a first guide hole vertically passing through, and the first guide hole is sleeved on the first guide post for positioning the pressing plate.
6. The welding jig for Flex plate welding as claimed in claim 1, wherein the base has a second guide post vertically embedded on the upper surface, a second guide hole vertically penetrates the upper pressing table, and the second guide hole is sleeved on the second guide post for positioning the upper pressing table.
7. The welding jig for Flex board welding of claim 1, wherein the upper surface of the upper pressing table is provided with handle grooves at both ends in the length direction.
8. A welding process for Flex board welding, which is used for the welding jig of any one of the claims 1-7, and comprises the following steps: programming a soldering bit walking track on an automatic dragging and welding machine in advance;
the Flex board is sleeved on the connecting pin of the optical device;
the optical device and the Flex board are arranged in a welding jig;
calling a program to enable a soldering bit to drag and weld the connecting pin of the optical device and the Flex board;
and taking the welded optical device and the Flex board out of the welding jig and detecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137444.2A CN109759669B (en) | 2019-02-25 | 2019-02-25 | Welding jig for welding Flex board and welding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910137444.2A CN109759669B (en) | 2019-02-25 | 2019-02-25 | Welding jig for welding Flex board and welding process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109759669A CN109759669A (en) | 2019-05-17 |
| CN109759669B true CN109759669B (en) | 2021-05-04 |
Family
ID=66457199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910137444.2A Active CN109759669B (en) | 2019-02-25 | 2019-02-25 | Welding jig for welding Flex board and welding process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109759669B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110177433B (en) * | 2019-06-27 | 2021-05-14 | 成都优博创通信技术股份有限公司 | Automatic pasting method and carrier for optical module Flexible Printed Circuit (FPC) |
| CN110919119A (en) * | 2019-11-27 | 2020-03-27 | 武汉心浩智能科技有限公司 | 5G dielectric filter assembly line tool clamp and method |
| CN113020881B (en) * | 2021-04-22 | 2024-09-03 | 上海华验精密机电科技有限公司 | Quick-change tooling for multipoint TIG welding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202984964U (en) * | 2012-10-26 | 2013-06-12 | 江苏奥雷光电有限公司 | Welding fixing device of optical devices |
| CN204545636U (en) * | 2015-02-13 | 2015-08-12 | 佛山市中科源自动化设备有限公司 | A kind of automatic tin welding machine |
| CN205764562U (en) * | 2016-02-25 | 2016-12-07 | 东莞光智通讯科技有限公司 | The fixture welded with flexible circuit board for optical device |
| CN103831562B (en) * | 2012-11-21 | 2016-12-21 | 海洋王（东莞）照明科技有限公司 | Weld fixture apparatus and the preparation method of battery terminal |
| CN208342090U (en) * | 2018-05-24 | 2019-01-08 | 无锡市德科立光电子技术有限公司 | SFP automatic welding optical device fixture |
-
2019
- 2019-02-25 CN CN201910137444.2A patent/CN109759669B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202984964U (en) * | 2012-10-26 | 2013-06-12 | 江苏奥雷光电有限公司 | Welding fixing device of optical devices |
| CN103831562B (en) * | 2012-11-21 | 2016-12-21 | 海洋王（东莞）照明科技有限公司 | Weld fixture apparatus and the preparation method of battery terminal |
| CN204545636U (en) * | 2015-02-13 | 2015-08-12 | 佛山市中科源自动化设备有限公司 | A kind of automatic tin welding machine |
| CN205764562U (en) * | 2016-02-25 | 2016-12-07 | 东莞光智通讯科技有限公司 | The fixture welded with flexible circuit board for optical device |
| CN208342090U (en) * | 2018-05-24 | 2019-01-08 | 无锡市德科立光电子技术有限公司 | SFP automatic welding optical device fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109759669A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109759669B (en) | Welding jig for welding Flex board and welding process thereof | |
| CN106941764A (en) | The device that a kind of B faces socket A faces Through-hole reflow connects | |
| CN111604567A (en) | Servo motor stator PCB board soldering tin frock | |
| CN213560744U (en) | Multi-product positioning device and multi-product positioning welding device | |
| CN110977300B (en) | Plate and wire welding clamp | |
| CN217571599U (en) | Laser welding positioning tool | |
| CN209830744U (en) | 5G antenna welding jig | |
| JP3646288B2 (en) | Lead wire cut and clinching method and apparatus | |
| CN213991189U (en) | Integrative tool of test is glued to welding point | |
| CN115609208A (en) | Reverse installation tool for IGBT welding automation equipment and use method thereof | |
| CN212371523U (en) | Repair welding mechanism for inserting components on PCB | |
| CN108243577B (en) | Intelligent universal PCB thimble device | |
| CN2764548Y (en) | Press plate for laser welding | |
| CN208178651U (en) | A kind of mobile phone camera module group welding fixture | |
| CN219876345U (en) | Wave soldering tool is right to circuit board plug-in components | |
| CN220805810U (en) | Pulse welding jig | |
| CN221575733U (en) | SMT paster welding equipment | |
| CN210615444U (en) | Auxiliary positioning jig for welding earphone plate | |
| CN211909310U (en) | Frock convenient to circuit board procedure is burnt and is written | |
| KR200498197Y1 (en) | terminal assembly device | |
| CN110640252A (en) | Welding fixing device of circuit pin header and base plate | |
| CN217832243U (en) | Coil spot welding positioning tool | |
| CN218657236U (en) | Wave soldering jig for preventing long pin header from inclining | |
| CN215846208U (en) | A anchor clamps for PCB board | |
| CN214443675U (en) | DIN head device of semi-automatic welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |