CN110640252A - Welding fixing device of circuit pin header and base plate - Google Patents
Welding fixing device of circuit pin header and base plate Download PDFInfo
- Publication number
- CN110640252A CN110640252A CN201910817773.1A CN201910817773A CN110640252A CN 110640252 A CN110640252 A CN 110640252A CN 201910817773 A CN201910817773 A CN 201910817773A CN 110640252 A CN110640252 A CN 110640252A
- Authority
- CN
- China
- Prior art keywords
- plate
- module circuit
- placing
- base plate
- apron
- 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.)
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Classifications
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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
Abstract
The invention provides a welding and fixing device for a circuit pin header and a substrate, which is characterized in that: the automatic tin soldering machine comprises a base plate (3), a group of positioning holes (3 b) which are matched with a working platform of the automatic tin soldering machine correspondingly are arranged on the base plate (3), and a module circuit placing plate (1) and a cover plate (2) which are matched with each other are arranged on the base plate (3). The invention has the advantages of simple structure, convenient use, low manufacturing cost, accurate and rapid positioning, safety, reliability, firm clamping of a module circuit and the like.
Description
The technical field is as follows:
the invention relates to the technical field of micro-assembly, in particular to a welding and fixing device for a circuit pin header and a substrate.
Background art:
the assembly process of pin header (plug-in component) and base board (PCB) welding interconnection is a common interconnection assembly process in the assembly of microcircuits. In a general double-sided assembly process of a substrate (PCB), there are three types of interconnection methods between a connector and the substrate: 1) the welding method is generally suitable for processing batch products, has certain limitation on products with higher assembly density, has larger equipment investment at one time, and has complex processing of the tool jig, high cost and larger required quantity; 2) manual soldering iron is adopted for welding, so that the labor efficiency is low and the consistency of welding spots cannot be ensured; 3) the automatic tin soldering machine is adopted for operation, the positions of welding spots and process parameters of the welding spots are set through programs, a tool needs to be designed and manufactured to realize circuit limiting and relative fixation of the positions of the row pins (plug-in components) to be welded and the substrate, the required amount of the tool is small, and one-time investment is low.
For the welding interconnection assembly process of a micro circuit pin header (connector) and a substrate (PCB), different circuit external dimensions and welding positions can not form serialization and standardization, a tool fixture needs to be designed and manufactured for processing each product, and how to design and manufacture the tool fixture effectively, quickly and at low cost becomes a troublesome problem.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provides a welding and fixing device for a circuit pin header and a substrate.
The application provides the following technical scheme:
the utility model provides a welded fastening device of circuit pin header and base plate which characterized in that: the automatic tin soldering machine comprises a base plate, wherein a group of positioning holes which are matched with a working platform of the automatic tin soldering machine correspondingly are arranged on the base plate, and a module circuit placing plate and a cover plate which are matched with each other are arranged on the base plate.
On the basis of the technical scheme, the following further technical scheme can be provided:
the module circuit placing plate comprises a placing plate body, a group of module circuit placing grooves are uniformly formed in the placing plate body, a welding through hole and a positioning pin are arranged on each module circuit placing groove, a pair of limiting pins are further arranged on the placing plate body, a group of placing plate magnets are further uniformly formed in the placing plate body, and first finger slots are further formed in the end portions of the two ends of the placing plate body.
The module circuit placing plate is further provided with a positioning plate, the positioning plate is of a triangular through groove structure, and the length of the positioning plate is larger than the thickness of the module circuit placing plate.
The cover plate comprises a cover plate body, a group of press grooves are formed in the cover plate body, inserting holes are formed in the circumference of each press groove, a pair of limiting holes and a group of cover plate magnets are evenly distributed in the cover plate body, and second finger slots are formed in the end portions of the two ends of the cover plate respectively.
The invention has the advantages that:
the invention has the advantages of simple structure, convenient use, low manufacturing cost, accurate and rapid positioning, safety, reliability, firm clamping of a module circuit and the like.
Description of the drawings:
FIG. 1: is a structural schematic diagram of the module circuit placing board;
FIG. 2: is a structural schematic diagram of a module circuit cover plate;
FIG. 3: is a structural schematic diagram after the module circuit placing plate is connected with the positioning plate;
FIG. 4: is a structural schematic diagram of the bottom plate;
FIG. 5: is a structural schematic diagram after the assembly of the invention is finished.
The specific implementation mode is as follows:
as shown in fig. 1-5, a device for welding and fixing a circuit pin header and a substrate comprises a bottom plate 3, and a module circuit placing plate 1 and a cover plate 2 which are matched with each other are arranged on the bottom plate 3.
The module circuit placing board 1 comprises a placing board body 1j, and a group of module circuit placing grooves 1a are uniformly distributed on the placing board body 1 j. The group of module circuit placing grooves 1a is six, three are in a row, and the two rows are distributed on the module circuit placing plate 1.
A welding through hole 1c which is approximately rectangular is arranged at the right upper part of each module circuit placing groove 1a, so that the module circuit placing grooves 1a are in a three-quarter circular structure, and two positioning pins 1b which are correspondingly matched with the module circuits 5 are arranged on the circumference.
An arc-shaped abdicating groove 1d is further formed in the placing plate body 1j above each welding through hole 1c in the upper row in the inclined direction, and the lower end of the abdicating groove 1d is communicated with the welding through holes 1 c.
A through groove 1e is also provided between the module circuit placement groove 1a and the welding through hole 1c which are adjacent vertically. A pair of limiting pins 1f is further arranged on the placing plate body 1j between the upper row of module circuit placing grooves 1a and the lower row of module circuit placing grooves 1a, and the end parts of the limiting pins 1f are of ball head structures. A group of placing plate magnets 1h are uniformly distributed on the placing plate body 1j, and first finger slots 1g are respectively arranged at the end parts of the two ends of the placing plate body 1 j.
A positioning plate 4 is connected to one corner of the placing plate body 1j through a bolt, a positioning plate 4 triangular through groove structure is further arranged at the joint of the groove walls, a yielding circular groove 4a is axially distributed along the positioning plate 4, and the circular groove 4a is communicated with the positioning plate 4 triangular through groove. The round groove 4a can prevent the corner of the placing plate body 1j from directly contacting the groove wall of the positioning plate 4 to cause damage when the positioning plate 4 is connected with the placing plate body 1 j.
One side of the positioning plate 4 is attached to the width side of the placing plate body 1j, and the other side is attached to the length side of the placing plate body 1 j. The axial length of the positioning plate 4 is greater than the thickness of the plate body 1 j.
Apron 2 including apron plate body 2a with place the length and width of plate body 1j the same, be equipped with a set of indent 2b that corresponds the distribution with module circuit standing groove 1a on apron plate body 2a, be equipped with on indent 2 b's circumference and correspond complex jack 2c with dowel 1b, still be equipped with in indent 2b and wait to process the module circuit on the original paper correspond the complex sunken 2d of stepping down. A pair of limiting holes 2e correspondingly matched with the limiting pins 1f and a pair of cover plate magnets 2f correspondingly matched with the magnet 1h are further arranged on the cover plate body 2 a. And the end parts of the two ends of the cover plate 2 are respectively provided with a second finger slot 2g corresponding to the first finger slot 1 g.
The area of the bottom plate 3 is larger than that of the cover plate 2 and the module circuit placing plate 1, a group of through holes 3a are uniformly distributed on the bottom plate 3, a group of positioning holes 3b which are correspondingly matched with a working platform (not shown in the figure) of the automatic tin soldering machine are also arranged on the bottom plate 3, the group of through holes 3a are distributed on the bottom plate 3 in a rectangular array shape, and the positioning holes 3b are distributed on the bottom plate 3 in a triangular shape. A clamping plate 3c is further connected to one corner of the bottom plate 3 through a bolt, and the clamping plate 3c is the same in structure as the positioning plate 4 and is also of a triangular through groove structure. The clamping plate 3c is also provided with a circular groove 3d distributed along the axial direction of the clamping plate, and the circular groove 3d has the same structure and the same function as the abdicating circular groove 4 a.
The clamping plate 3c, the bottom plate 3, the cover plate 2, the module circuit placing plate 1 and the positioning plate 4 are all made of insulating non-metal materials.
The using method comprises the following steps:
firstly, the positioning hole 3b on the bottom plate 3 is inserted into the positioning column on the working platform of the automatic tin soldering machine, and the clamping plate 3c is ensured to be positioned on the upper surface of the bottom plate 3.
Then connect locating plate 4 in the one corner of placing board plate body 1j, then will place board plate body 1j and place on the desktop to keep module circuit standing groove 1a opening upwards, then all place one in every module circuit standing groove 1a and treat welded module circuit 5.
Hand-held apron plate body 2a keeps indent 2b notch downwards, and in earlier going into locating plate 4 with the one corner card of apron plate body 2a, then with apron plate body 2a downwards on placing the board plate body 1 j. The limit pin 1f is directly inserted into the limit hole 2e due to the guiding of the positioning plate 4, and the placing plate magnet 1h can be directly attracted with the cover plate magnet 2 f. At this time, the module circuit placement board 1 and the cover plate 2 are joined together with the module circuit 5 fixed therebetween, and then the module circuit placement board 1 and the cover plate 2 are turned over so that the welding through-holes 1c are opened upward.
Finally, one corner of the connecting body of the handheld circuit placing board 1 and the cover board 2 is clamped into the corner-shaped clamping board 3c, so that the connecting body of the circuit placing board 1 and the cover board 2 is quickly positioned at a proper position on the bottom board 3. At this time, the automatic soldering machine can be started to solder the module circuit 5 in the solder through hole 1 c. Due to the existence of the circular groove 3d, the problem that the connector of the circuit placing plate 1 and the cover plate 2 collides with the clamping plate 3c to cause damage when being clamped into the clamping plate 3c is solved.
After the welding, operating personnel takes off the circuit from bottom plate 3 and places the connector of board 1 and apron 2, then the connector of reversal makes welding through-hole 1c downward again, then operating personnel both hands insert respectively in the recess that the connector both ends are constituted by first finger slot 1g and second finger slot 2g, upwards mention apron 2 hard, make apron 2 and circuit place board 1 separation, then operating personnel's thumb inserts logical groove 1e forefinger and inserts and let a groove 1d put down from upper and lower two and clip module circuit 5, thereby take out module circuit 5 from module circuit standing groove 1 a.
Claims (4)
1. The utility model provides a welded fastening device of circuit pin header and base plate which characterized in that: the automatic tin soldering machine comprises a base plate (3), a group of positioning holes (3 b) which are matched with a working platform of the automatic tin soldering machine correspondingly are arranged on the base plate (3), and a module circuit placing plate (1) and a cover plate (2) which are matched with each other are arranged on the base plate (3).
2. The apparatus as claimed in claim 1, wherein: the module circuit placing board (1) comprises a placing board body (1 j), a group of module circuit placing grooves (1 a) are uniformly distributed on the placing board body (1 j), a welding through hole (1 c) and a positioning pin (1 b) are arranged on each module circuit placing groove (1 a), a pair of limiting pins (1 f) are further arranged on the placing board body (1 j), a group of placing board magnets (1 h) are further uniformly distributed on the placing board body (1 j), and first finger slots (1 g) are further respectively formed in the end portions of the two ends of the placing board body (1 j).
3. The apparatus as claimed in claim 1, wherein: the module circuit placing plate (1) is further provided with a positioning plate (4), the positioning plate (4) is of a triangular through groove structure, and the length of the positioning plate (4) is larger than the thickness of the module circuit placing plate (1).
4. The apparatus as claimed in claim 1, wherein: apron (2) including apron plate body (2 a), be equipped with a set of indent (2 b) on apron plate body (2 a), be equipped with jack (2 c) on the circumference of indent (2 b), be equipped with a pair of spacing hole (2 e) and a set of apron magnet of equipartition (2 f) on apron plate body (2 a) the both ends tip of apron (2) still is equipped with a second finger slot (2 g) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817773.1A CN110640252A (en) | 2019-08-30 | 2019-08-30 | Welding fixing device of circuit pin header and base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817773.1A CN110640252A (en) | 2019-08-30 | 2019-08-30 | Welding fixing device of circuit pin header and base plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110640252A true CN110640252A (en) | 2020-01-03 |
Family
ID=69009972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910817773.1A Pending CN110640252A (en) | 2019-08-30 | 2019-08-30 | Welding fixing device of circuit pin header and base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110640252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843559A (en) * | 2021-11-02 | 2021-12-28 | 深圳市则成电子股份有限公司 | A welding jig for FPC board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203219621U (en) * | 2013-04-15 | 2013-09-25 | 苏州益而益电器制造有限公司 | Device used in welding process of circuit board |
| US20160008904A1 (en) * | 2014-07-08 | 2016-01-14 | International Business Machines Corporation | Device for thermal management of surface mount devices during reflow soldering |
| CN107175383A (en) * | 2017-06-08 | 2017-09-19 | 重庆多道电子技术有限公司 | A kind of PCB weld jig |
| CN207668662U (en) * | 2017-11-27 | 2018-07-31 | 罗定市宝捷电子有限公司 | A kind of three row's needle welding fixtures |
| CN207952873U (en) * | 2018-02-27 | 2018-10-12 | 惠州市天铭精密部件有限公司 | It is a kind of can be with the welding fixture of quick-clamping |
| CN207982497U (en) * | 2018-03-20 | 2018-10-19 | 马斯特模具（昆山）有限公司 | A kind of jig for welding display lamp |
-
2019
- 2019-08-30 CN CN201910817773.1A patent/CN110640252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203219621U (en) * | 2013-04-15 | 2013-09-25 | 苏州益而益电器制造有限公司 | Device used in welding process of circuit board |
| US20160008904A1 (en) * | 2014-07-08 | 2016-01-14 | International Business Machines Corporation | Device for thermal management of surface mount devices during reflow soldering |
| CN107175383A (en) * | 2017-06-08 | 2017-09-19 | 重庆多道电子技术有限公司 | A kind of PCB weld jig |
| CN207668662U (en) * | 2017-11-27 | 2018-07-31 | 罗定市宝捷电子有限公司 | A kind of three row's needle welding fixtures |
| CN207952873U (en) * | 2018-02-27 | 2018-10-12 | 惠州市天铭精密部件有限公司 | It is a kind of can be with the welding fixture of quick-clamping |
| CN207982497U (en) * | 2018-03-20 | 2018-10-19 | 马斯特模具（昆山）有限公司 | A kind of jig for welding display lamp |
Non-Patent Citations (1)
| Title |
|---|
| 杨黎明: "《机床夹具设计手册》", 31 May 1996, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843559A (en) * | 2021-11-02 | 2021-12-28 | 深圳市则成电子股份有限公司 | A welding jig for FPC board |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200103 |