CN219802709U - Welding positioning fixture for flexible circuit board - Google Patents
Welding positioning fixture for flexible circuit board Download PDFInfo
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- CN219802709U CN219802709U CN202223339590.XU CN202223339590U CN219802709U CN 219802709 U CN219802709 U CN 219802709U CN 202223339590 U CN202223339590 U CN 202223339590U CN 219802709 U CN219802709 U CN 219802709U
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- positioning
- welding
- sliding
- board
- driving mechanism
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 238000009434 installation Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a welding positioning fixture of a flexible circuit board, which comprises a welding positioning plate and a touch positioning mechanism, wherein the upper end surface of the welding positioning plate is provided with an FPC soft board positioning groove and a PCB hard board positioning groove; the touch positioning mechanism comprises a first clamp driving mechanism, a second clamp driving mechanism and a touch plate; the first clamp driving mechanism comprises a first fixed part and a first sliding part, and a plurality of first elastic pieces are connected between the first fixed part and the first sliding part; the second clamp driving mechanism comprises a second fixing part and a second sliding part, a plurality of second elastic pieces are connected between the second fixing part and the second sliding part, the second sliding part is connected with a touch pressing plate, and the touch pressing plate is used for touching and pressing the welding end of the FPC soft board; according to the utility model, the FPC soft board and the PCB hard board are respectively positioned preliminarily through the positioning grooves, and the welding ends of the FPC soft board are pressed by the pressing positioning mechanism, so that the FPC soft board and the PCB hard board are contacted more stably, and the welding effect is ensured.
Description
Technical Field
The utility model relates to the technical field of circuit board welding tools, in particular to a welding positioning fixture for a flexible circuit board.
Background
Flexible circuits (FPCs), which are a technology developed for developing space rocket technology in the united states of the last 70 th century, are a highly reliable, excellent flexible printed circuit made of a polyester film or polyimide as a base material, and are formed by embedding circuit designs on a flexible thin plastic sheet so that a large number of precision elements are stacked in a narrow and limited space. The circuit can be bent at will, has light weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology.
The FPC is finally connected to the hard PCB, so that the FPC flexible board welded on the PCB needs to be calibrated and spot-welded, and the FPC flexible board is a sheet flexible board which is not easy to fix and calibrate and is easy to warp, so that the welding rosin joint is caused, the technical level requirement on operators is higher, and the qualification rate of directly welded products is lower.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a welding positioning clamp for a flexible circuit board; through setting up FPC soft board constant head tank and PCB hard board constant head tank respectively to FPC soft board and the preliminary location of PCB hard board, reuse touch and press positioning mechanism to touch the welding end of pressing the FPC soft board, make FPC soft board and PCB hard board contact more stable, guarantee the welding effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the welding positioning fixture for the flexible circuit board comprises a welding positioning plate and a touch positioning mechanism, wherein an FPC soft board positioning groove and a PCB hard board positioning groove are formed in the upper end face of the welding positioning plate; the touch positioning mechanism comprises a first clamp driving mechanism, a second clamp driving mechanism and a touch plate;
the first clamp driving mechanism comprises a first fixing part and a first sliding part, a plurality of first elastic pieces are connected between the first fixing part and the first sliding part, the first fixing part is fixedly connected with the welding positioning plate, the first sliding part is in sliding connection with the welding positioning plate, and the sliding direction of the first sliding part is parallel to the welding positioning plate;
the second fixture driving mechanism comprises a second fixing part and a second sliding part, a plurality of second elastic pieces are connected between the second fixing part and the second sliding part, the second fixing part is fixedly connected with the first sliding part, the second sliding part is in sliding connection with the second fixing part, the sliding direction of the second sliding part is perpendicular to the welding positioning plate, the second sliding part is connected with a touch pressing plate, and the touch pressing plate is used for touching and pressing the welding end of the FPC soft board.
The welding positioning plate is provided with a first mounting through groove, the first clamp driving mechanism is arranged on the lower end face of the welding positioning plate, and the second clamp driving mechanism vertically penetrates through the first mounting through groove and then is connected with the touch pressing plate.
The novel PCB hard board positioning groove comprises a PCB hard board positioning groove, and is characterized by further comprising a pushing and clamping mechanism, wherein the pushing and clamping mechanism comprises a third clamp driving mechanism and a pushing block, the third clamp driving mechanism comprises a third fixing part and a third sliding part, a plurality of third elastic pieces are connected between the third fixing part and the third sliding part, the third fixing part is fixedly connected with the welding positioning board, the third sliding part is in sliding connection with the welding positioning board, the sliding direction of the third sliding part is parallel to the welding positioning board, the third sliding part is connected with the pushing block, and the pushing block is arranged on one side of the PCB hard board positioning groove.
The welding positioning plate is provided with a second installation through groove, the second installation through groove is connected with the PCB hard plate positioning groove, the third clamp driving mechanism is arranged on the lower end face of the welding positioning plate, one end of the pushing block is fixedly connected with the third sliding part, and the other end of the pushing block penetrates through the second installation through groove and is in butt joint with the PCB hard plate to be welded.
A V-shaped vertical groove used for being abutted with the corner of the PCB hard board is formed in one side wall of the pushing block.
The first fixing part is connected with the welding positioning plate through a first linear sliding rail.
The third fixing part is connected with the welding positioning plate through a third linear sliding rail.
Compared with the prior art, the utility model has the beneficial effects that:
1. the FPC soft board and the PCB hard board are respectively and initially positioned by arranging the FPC soft board positioning groove and the PCB hard board positioning groove, and then the welding end of the FPC soft board is contacted and pressed by the contact and pressing positioning mechanism, so that the FPC soft board and the PCB hard board are contacted more stably, and the welding effect is ensured;
2. through using the elastic component as touching and pressing the driving force, only need the manual operation to move away the touch panel when placing FPC soft board, make place convenient operation swift, place the back touch panel and touch the welding end under the resilience force of elastic component automatically after accomplishing, easy operation, clamping is efficient, touches and presses the location accuracy, does not need extra drive arrangement, saves the cost.
Drawings
FIG. 1 is a perspective view of the overall structure of a welding fixture of the present utility model;
FIG. 2 is an enlarged view of a portion of a welding fixture of the present utility model;
FIG. 3 is a perspective view of the touch positioning mechanism of the present utility model;
FIG. 4 is a perspective view of the push-grip mechanism of the present utility model;
in the figure: 1. welding a positioning plate; 2. a touch plate; 3. a first fixing portion; 4. a first sliding portion; 5. a first elastic member; 6. a second fixing portion; 7. a second sliding part; 8. a first mounting through slot; 9. a pushing block; 10. a third fixing portion; 11. a third sliding portion; 12. a second mounting through groove; 13. a first linear slide; 14. a third linear slide; 15. FPC soft board; 16. PCB hard board; 17. and a third elastic member.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," "horizontal," "vertical," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the apparatus or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, a welding positioning fixture for a flexible circuit board comprises a welding positioning plate 1 and a touch positioning mechanism, wherein an upper end face of the welding positioning plate 1 is provided with an FPC soft board positioning groove and a PCB hard board positioning groove, the FPC soft board positioning groove is used for placing an FPC soft board 15, the PCB hard board positioning groove is used for placing a PCB hard board 16, and after the placement is completed, one end of the FPC soft board is lapped at a welding position of the PCB hard board, so that preliminary positioning is realized.
The touch-pressure positioning mechanism comprises a first clamp driving mechanism, a second clamp driving mechanism and a touch-pressure plate 2; the first fixture driving mechanism comprises a first fixing part 3 and a first sliding part 4, a plurality of first elastic pieces 5 are connected between the first fixing part 3 and the first sliding part 4, the first fixing part 3 is fixedly connected with the welding positioning plate 1, the first sliding part 4 is in sliding connection with the welding positioning plate 1, and the sliding direction of the first sliding part 4 is parallel to the welding positioning plate 1.
The second fixture driving mechanism comprises a second fixing portion 6 and a second sliding portion 7, a plurality of second elastic pieces (the second elastic pieces are not shown in the drawing and are shielded in the drawing, but the second elastic pieces are easy to set at proper positions by a person skilled in the art according to industry experience) are connected between the second fixing portion 6 and the second sliding portion 7, the second sliding portion 7 is in sliding connection with the second fixing portion 6, the sliding direction of the second sliding portion 7 is perpendicular to the welding positioning plate 1, the second sliding portion 7 is connected with a touch plate 2, and the touch plate 2 is used for touching and pressing the welding end of the FPC soft plate 15.
When the FPC flexible board 15 needs to be placed, the touch plate 2 is moved away, at the moment, the second sliding part 7 moves upwards against the pulling force of the second elastic piece, the first sliding part 4 moves backwards against the pressure level of the first elastic piece 5, after the placement is completed, the touch plate 2 is loosened, the first sliding part 4 drives the second clamp driving mechanism and the touch plate 2 to move horizontally under the resilience force of the first elastic piece 5, the second sliding part 7 touches the welding end of the FPC flexible board 15 downwards under the resilience force of the second elastic piece, the FPC flexible board 15 is prevented from shaking, and the welding effect is ensured.
The welding positioning plate 1 is provided with a first mounting through groove 8, the first clamp driving mechanism is arranged on the lower end face of the welding positioning plate 1, and the second clamp driving mechanism vertically penetrates through the first mounting through groove 8 and then is connected with the touch pressing plate 2. The first clamp driving mechanism is arranged on the lower end face of the welding positioning plate 1, interference with welding equipment above is avoided, meanwhile, the whole occupied space of the welding clamp is reduced, and the space layout is optimized.
According to the scheme, the FPC soft board 15 and the PCB hard board 16 are initially positioned by arranging the FPC soft board positioning groove and the PCB hard board positioning groove respectively, and then the welding end of the FPC soft board 15 is touched by the touch-press positioning mechanism, so that the FPC soft board 15 is contacted with the PCB hard board 16 more stably, and the welding effect is ensured; through using the elastic component as touching and pressing the driving force, only need the manual operation to move away touch panel 2 when placing FPC soft board 15, make place convenient operation swift, place and accomplish the back touch panel 2 and touch the welding end under the resilience force of elastic component automatically, easy operation, clamping is efficient, touches and presses the location accuracy, does not need extra drive arrangement, saves the cost.
The welding jig still includes pushing away the clamp mechanism, it includes third anchor clamps actuating mechanism and ejector pad 9 to push away the clamp mechanism, third anchor clamps actuating mechanism includes third fixed part 10 and third slider 11, be connected with a plurality of third elastic component 17 between third fixed part 10 and the third slider 11, third fixed part 10 and welding locating plate 1 fixed connection, third slider 11 and welding locating plate 1 sliding connection, the slip direction of third slider 11 is parallel with welding locating plate 1, ejector pad 9 is connected to third slider 11, ejector pad 9 locates one side of PCB hard plate 16 constant head tank.
When the PCB hard board 16 needs to be placed, the pushing block 9 is removed, the third sliding part 11 is retracted horizontally against the pressure of the third elastic piece 17, after the placement is completed, the pushing block 9 is loosened, and the third sliding part 11 props against the PCB hard board 16 under the resilience force of the third elastic piece 17, so that the PCB hard board 16 is clamped in the PCB hard board positioning groove.
The welding positioning plate 1 is provided with a second mounting through groove 12, the second mounting through groove 12 is connected with a positioning groove of the PCB hard plate 16, the third clamp driving mechanism is arranged on the lower end face of the welding positioning plate 1, one end of the push block 9 is fixedly connected with the third sliding part 11, and the other end of the push block passes through the second mounting through groove 12 and is abutted with the PCB hard plate 16 to be welded. The third clamp driving mechanism is arranged on the lower end face of the welding positioning plate 1, interference with welding equipment above is avoided, meanwhile, the whole occupied space of the welding clamp is reduced, and the space layout is optimized.
A V-shaped vertical groove used for being abutted with the corner of the PCB hard board 16 is formed in one side wall of the push block 9, so that the push block 9 is convenient to clamp the PCB hard board 16, the PCB hard board 16 is prevented from shaking, and the welding effect is guaranteed.
The first fixing part 3 is connected with the welding positioning plate 1 through a first linear sliding rail 13.
The third fixing part 10 is connected with the welding positioning plate 1 through a third linear sliding rail 14.
The linear slide rail is a product in the prior art, is used for linear reciprocating motion occasions, has higher rated load than a linear bearing, can bear certain torque, and can realize high-precision linear motion under the condition of high load.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The welding positioning fixture for the flexible circuit board is characterized by comprising a welding positioning plate (1) and a touch positioning mechanism, wherein an FPC soft board positioning groove and a PCB hard board positioning groove are formed in the upper end face of the welding positioning plate (1); the touch positioning mechanism comprises a first clamp driving mechanism, a second clamp driving mechanism and a touch plate (2);
the first clamp driving mechanism comprises a first fixing part (3) and a first sliding part (4), a plurality of first elastic pieces (5) are connected between the first fixing part (3) and the first sliding part (4), the first fixing part (3) is fixedly connected with the welding positioning plate (1), the first sliding part (4) is in sliding connection with the welding positioning plate (1), and the sliding direction of the first sliding part (4) is parallel to the welding positioning plate (1);
the second clamp driving mechanism comprises a second fixing part (6) and a second sliding part (7), a plurality of second elastic pieces are connected between the second fixing part (6) and the second sliding part (7), the second fixing part (6) is fixedly connected with the first sliding part (4), the second sliding part (7) is in sliding connection with the second fixing part (6), the sliding direction of the second sliding part (7) is perpendicular to the welding positioning plate (1), the second sliding part (7) is connected with a touch pressing plate (2), and the touch pressing plate (2) is used for touching the welding end of the FPC soft plate.
2. The welding positioning fixture for the flexible circuit board according to claim 1, wherein the welding positioning board (1) is provided with a first installation through groove (8), the first fixture driving mechanism is arranged on the lower end face of the welding positioning board (1), and the second fixture driving mechanism vertically penetrates through the first installation through groove (8) and then is connected with the touch plate (2).
3. The welding positioning fixture of a flexible circuit board according to claim 1, further comprising a pushing and clamping mechanism, wherein the pushing and clamping mechanism comprises a third clamp driving mechanism and a pushing block (9), the third clamp driving mechanism comprises a third fixing portion (10) and a third sliding portion (11), a plurality of third elastic pieces (17) are connected between the third fixing portion (10) and the third sliding portion (11), the third fixing portion (10) is fixedly connected with the welding positioning board (1), the third sliding portion (11) is in sliding connection with the welding positioning board (1), the sliding direction of the third sliding portion (11) is parallel to the welding positioning board (1), the third sliding portion (11) is connected with the pushing block (9), and the pushing block (9) is arranged on one side of the positioning groove of the PCB hard board.
4. A positioning fixture for soldering a flexible circuit board according to claim 3, wherein the positioning fixture for soldering (1) is provided with a second mounting through groove (12), the second mounting through groove (12) is connected with the positioning groove of the PCB hard board, the third fixture driving mechanism is arranged on the lower end face of the positioning fixture for soldering (1), one end of the push block (9) is fixedly connected with the third sliding part (11), and the other end passes through the second mounting through groove (12) and is abutted against the PCB hard board to be soldered.
5. A positioning jig for soldering a flexible circuit board according to claim 3, wherein a side wall of the push block (9) is provided with a V-shaped vertical groove for abutting against a corner of a PCB hard board.
6. The welding positioning fixture of a flexible circuit board according to claim 1, wherein the first fixing part (3) is connected with the welding positioning board (1) through a first linear sliding rail (13).
7. A positioning jig for soldering a flexible circuit board according to claim 3, wherein the third fixing portion (10) is connected to the positioning board (1) by a third linear slide rail (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223339590.XU CN219802709U (en) | 2022-12-12 | 2022-12-12 | Welding positioning fixture for flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223339590.XU CN219802709U (en) | 2022-12-12 | 2022-12-12 | Welding positioning fixture for flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219802709U true CN219802709U (en) | 2023-10-03 |
Family
ID=88177052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223339590.XU Active CN219802709U (en) | 2022-12-12 | 2022-12-12 | Welding positioning fixture for flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219802709U (en) |
-
2022
- 2022-12-12 CN CN202223339590.XU patent/CN219802709U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A welding positioning fixture for flexible circuit boards Effective date of registration: 20231222 Granted publication date: 20231003 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Wuhan Brilliant Tech Co.,Ltd. Registration number: Y2023980073622 |