CN108907586B - Fixing device for automatic welding of printed circuit board - Google Patents
Fixing device for automatic welding of printed circuit board Download PDFInfo
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- CN108907586B CN108907586B CN201811099294.2A CN201811099294A CN108907586B CN 108907586 B CN108907586 B CN 108907586B CN 201811099294 A CN201811099294 A CN 201811099294A CN 108907586 B CN108907586 B CN 108907586B
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- positioning
- bottom plate
- positioning stop
- printed circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply And Installment Of Electrical Components (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention relates to a fixing device for automatically welding a printed circuit board, which comprises a rectangular bottom plate (1), wherein a pair of positioning jigs (2) are fixed at the front end of the bottom plate (1), and the positioning jigs (2) are provided with a group of step grooves (2 a) which are symmetrical left and right; a pair of rectangular positioning stop blocks (3) which are opposite to the stepped grooves (2 a) are arranged in the middle of the bottom plate (1), the width of the rectangular positioning stop blocks is larger than the width of the opening at the lowest part of the stepped grooves (2 a), and the front end of each positioning stop block (3) is provided with a stepped platform (3 a) with the same width; a guide rail groove (3 b) at the bottom of each positioning stop block (3) is in sliding guide fit with a guide rail convex block (7) fixed on the bottom plate (1) in the vertical direction; the lower part of the bottom plate (1) is connected with a pair of spring thimble positioning blocks (8), and two parallel spring thimbles (6) are connected between each spring thimble positioning block (8) and the corresponding positioning stop dog (3). The invention has the advantages of improving the universality, avoiding economic loss and improving the welding efficiency.
Description
Technical Field
The invention relates to the technical field of printed circuit board welding process equipment, in particular to a fixing device for automatically welding a printed circuit board.
Background
At present, the welding of the through hole of the printed circuit board and the lead post of the metal shell is generally divided into two modes of manual welding and automatic welding. If automatic soldering is adopted, an automatic soldering machine needs to be used, and in the soldering process, a printed circuit board fixing device is indispensable.
Generally, after the surface of the printed circuit board is assembled, the circuit board fixing device is used for manufacturing a corresponding positioning device according to the appearance and the size of the circuit board, aligning and fixing the metal shell and the printed circuit board, and placing the metal shell and the printed circuit board on an operation table of an automatic tin soldering machine after the metal shell and the printed circuit board are fixed, so that the metal shell lead posts and the through holes of the printed circuit board are soldered together to form signal input/output pins. However, the sizes of the printed circuit boards are different, and when the printed circuit boards are fixed, the corresponding circuit board fixing devices need to be customized according to different sizes, so that financial resources are wasted, the cost is increased, the universality is not strong, the fixing requirements of the printed circuit boards with various sizes cannot be met, and the welding efficiency is reduced.
Disclosure of Invention
The invention aims to solve the problem of low universality of the conventional printed circuit board fixing device, provides the fixing device for automatically welding the printed circuit board, meets the fixing requirements of printed circuit boards with various sizes during automatic welding, avoids economic loss and waste caused by respective customization and improves the welding efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a fixing device for printed circuit board automatic weld which characterized in that:
the bottom plate of a rectangle, the fixed a pair of positioning jig of front end of bottom plate, every positioning jig all is equipped with a set of bilateral symmetry's ladder recess to one side in the bottom plate, and the size of each ladder recess corresponds the size of a printed circuit board.
The middle part of the bottom plate is provided with a pair of rectangular positioning stop blocks, the positioning stop blocks are opposite to the openings of the stepped grooves, the width of the positioning stop blocks is larger than that of the opening at the lowest part of the stepped grooves, each positioning stop block is provided with a pair of spring thimble grooves, and the front end of each positioning stop block is provided with a stepped platform with the same width as that of the positioning stop block so as to block and fix the printed circuit board;
two sides of each positioning stop block are respectively provided with a guide groove parallel to the central line of the stepped groove, and the guide grooves are matched with guide columns fixed on the bottom plate so as to limit the positioning stop blocks to move in the vertical direction;
the middle position of the bottom of each positioning stop block is also provided with a rectangular guide rail groove.
And a guide rail convex block along the central line direction of the stepped groove is fixed on the bottom plate right below the guide rail groove, and the guide rail convex block and the guide rail groove form sliding guide fit.
The lower part of the bottom plate is connected with a pair of spring thimble positioning blocks which are opposite to the positioning stop dogs, two parallel spring thimbles are connected between each spring thimble positioning block and the corresponding positioning stop dog, one end of each spring thimble is embedded into the spring thimble groove, and the other end of each spring thimble is fixed on the spring thimble positioning block.
According to the technical scheme, the printed circuit board is clamped in the stepped groove with the corresponding size and is fixed by the positioning stop block, so that the fixing work of the printed circuit boards with different sizes can be completed, the positioning stop block can move back and forth through the cooperation of the spring ejector pin, and the guide groove and the guide rail bump limit that the positioning stop block can only move along the Y axis. The device meets the fixing requirements of printed circuit boards of various sizes during automatic welding, improves the universality, avoids economic loss and waste caused by respective customization, and improves the welding efficiency.
Drawings
FIG. 1 is a front view of a fixture for automatic soldering of a printed circuit board according to the present invention;
fig. 2 is a side view of a fixing device for automatic soldering of a printed circuit board according to the present invention.
Detailed Description
In order to make the present invention more clear, a fixing device for automatic soldering of a printed circuit board according to the present invention will be further described with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
As shown in fig. 1, a fixing device for automatic soldering of a printed circuit board is characterized in that:
the PCB comprises a rectangular bottom plate 1, wherein a pair of positioning jigs 2 is fixed at the front end of the bottom plate 1, a group of bilaterally symmetrical stepped grooves 2a are formed in one side of each positioning jig 2 facing the inside of the bottom plate 1, and the size of each stepped groove 2a corresponds to the size of a printed circuit board;
the set of stepped grooves 2a is set to five different sizes.
A pair of rectangular positioning stop blocks 3 are arranged in the middle of the bottom plate 1, the positioning stop blocks 3 are opposite to the openings of the stepped grooves 2a, the width of the positioning stop blocks is larger than that of the openings at the lowest parts of the stepped grooves 2a, a pair of spring thimble grooves 3c are arranged on each positioning stop block 3, and a stepped platform 3a with the same width as the positioning stop blocks 3 is arranged at the front ends of the positioning stop blocks 3 so as to stop and fix the printed circuit board;
two sides of each positioning stop block 3 are respectively provided with a guide groove 4 parallel to the central line direction of the stepped groove 2a, a guide post 5 fixed on the bottom plate 1 is embedded in the guide groove 4, and the top end of each guide post 5 is connected with a guide post nut 5a with the diameter larger than the width of the guide groove 4 so as to limit the positioning stop block 3 to move vertically;
referring to fig. 1 and 2, a rectangular guide groove 3b is further formed at the middle position of the bottom of each positioning stopper 3.
A guide rail convex block 7 along the central line direction of the stepped groove 2a is fixed on the bottom plate 1 right below the guide rail groove 3b, and the guide rail convex block 7 and the guide rail groove 3b form sliding guide fit.
The lower part of the bottom plate 1 is connected with a pair of spring thimble positioning blocks 8 which are opposite to the positioning stop dogs 3, two parallel spring thimbles 6 are connected between each spring thimble positioning block 8 and the corresponding positioning stop dog 3, one end of each spring thimble 6 is embedded into the positioning stop dog 3, and the other end of each spring thimble is fixed on the spring thimble positioning block 8.
According to the size of the printed circuit board, the printed circuit board is clamped in the stepped groove 2a of the corresponding positioning jig 2 and is fixed by the positioning stop block 3, so that the fixing work of the printed circuit boards with different sizes can be completed. The positioning block 3 can move back and forth through the cooperation of the spring thimble 6, and the guide groove 4 and the guide rail bump 7 limit the positioning block 3 to move along the Y axis only. The device meets the fixing requirements of printed circuit boards of various sizes during automatic welding, improves the universality, avoids economic loss and waste caused by respective customization, and improves the welding efficiency.
Claims (1)
1. A fixing device for automatic welding of a printed circuit board is characterized by comprising:
the printed circuit board comprises a rectangular bottom plate (1), wherein a pair of positioning jigs (2) is fixed at the front end of the bottom plate (1), a group of bilaterally symmetrical stepped grooves (2 a) are formed in one side, facing the inside of the bottom plate (1), of each positioning jig (2), and the size of each stepped groove (2 a) corresponds to the size of a printed circuit board;
a pair of rectangular positioning stop blocks (3) is arranged in the middle of the bottom plate (1), the positioning stop blocks (3) are opposite to the openings of the stepped grooves (2 a), the width of the positioning stop blocks is larger than that of the openings at the lowest part of the stepped grooves (2 a), a stepped platform (3 a) with the same width as the positioning stop blocks (3) is arranged at the front end of each positioning stop block (3), and a pair of spring thimble grooves (3 c) are arranged in the positioning stop blocks;
a rectangular guide rail groove (3 b) is also formed in the middle of the bottom of each positioning stop block (3);
a guide rail convex block (7) along the central line direction of the stepped groove (2 a) is fixed on the bottom plate (1) right below the guide rail groove (3 b), and the guide rail convex block (7) and the guide rail groove (3 b) form sliding guide fit;
the lower part of the bottom plate (1) is connected with a pair of spring thimble positioning blocks (8) which are opposite to the positioning stop dogs (3), two parallel spring thimbles (6) are connected between each spring thimble positioning block (8) and the corresponding positioning stop dog (3), one end of each spring thimble (6) is embedded into the spring thimble groove (3 c), and the other end of each spring thimble (6) is fixed on the spring thimble positioning block (8);
two sides of each positioning stop block (3) are respectively provided with a guide groove (4) parallel to the guide rail convex block (7), and the guide grooves (4) are matched with guide columns (5) fixed on the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099294.2A CN108907586B (en) | 2018-09-20 | 2018-09-20 | Fixing device for automatic welding of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099294.2A CN108907586B (en) | 2018-09-20 | 2018-09-20 | Fixing device for automatic welding of printed circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108907586A CN108907586A (en) | 2018-11-30 |
| CN108907586B true CN108907586B (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099294.2A Active CN108907586B (en) | 2018-09-20 | 2018-09-20 | Fixing device for automatic welding of printed circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN108907586B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5284189A (en) * | 1992-03-16 | 1994-02-08 | Printron, Inc. | Conductive ink packaging for printed circuit board screen printing operations |
| CN205184127U (en) * | 2015-12-02 | 2016-04-27 | 聂志坚 | Circuit board soldering anchor clamps |
| CN205785731U (en) * | 2016-05-27 | 2016-12-07 | 上海蓝梭电子科技有限公司 | A kind of test fixture for socket connector vibratory impulse |
| CN205702787U (en) * | 2016-06-30 | 2016-11-23 | 江苏省海门中等专业学校 | A kind of multi-functioning printed circuit board helps welding stage |
| CN106271263B (en) * | 2016-09-29 | 2018-01-30 | 上海航天测控通信研究所 | A kind of microwave components integrated welding connection device |
| CN107570943B (en) * | 2017-10-25 | 2019-06-07 | 梧州恒声电子科技有限公司 | A kind of improved horn clamp |
| CN207656045U (en) * | 2017-11-22 | 2018-07-27 | 湘潭大学兴湘学院 | A kind of energy-saving lamp pcb board wicking clamping device |
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2018
- 2018-09-20 CN CN201811099294.2A patent/CN108907586B/en active Active
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| CN108907586A (en) | 2018-11-30 |
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Address after: No. 2016, Tanghe Road, economic development zone, Bengbu City, Anhui Province 233030 Patentee after: Anhui North Microelectronics Research Institute Group Co.,Ltd. Address before: No. 2016, Tanghe Road, economic development zone, Bengbu City, Anhui Province 233030 Patentee before: NORTH ELECTRON RESEARCH INSTITUTE ANHUI Co.,Ltd. |
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