CN210387880U - Circuit board contact pin welding tool - Google Patents
Circuit board contact pin welding tool Download PDFInfo
- Publication number
- CN210387880U CN210387880U CN201921044873.7U CN201921044873U CN210387880U CN 210387880 U CN210387880 U CN 210387880U CN 201921044873 U CN201921044873 U CN 201921044873U CN 210387880 U CN210387880 U CN 210387880U
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- circuit board
- pin
- base
- positioning
- contact pin
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Abstract
The utility model provides a circuit board contact pin welding tool, which comprises a base; the clamping device comprises a base and is characterized in that a clamping assembly of a circuit board is arranged on the upper end face of the base, a positioning device of a contact pin is installed on the side face of the base, the clamping assembly limits the horizontal displacement of the base through points and straight lines, and the positioning device positions the height of the contact pin through steps and positioning blocks. The utility model discloses a frock is fixed a position circuit board and contact pin, has fixed the interval of contact pin and the height between the relative circuit board of contact pin in the welding process, has guaranteed circuit board contact pin welded quality, and all contact pins step by step weld after one step of location also improve welding efficiency simultaneously.
Description
Technical Field
The utility model relates to a circuit board contact pin welding frock.
Background
Fig. 2 shows a common circuit board (PCB), in which pins are components of a plug and a socket in an electronic or electrical device; at present, the circuit board and the contact pin are generally welded manually, and the welding quality requirements of the circuit board and the contact pin mainly comprise relative height errors of the contact pin and the circuit board, deflection degrees of the contact pin and the circuit board, firmness and appearance of a welding point, technical requirements are difficult to guarantee by workers in operation, and the quality of the technical requirements affects the performance and assembly efficiency of products.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a circuit board contact pin welding frock.
The utility model discloses a following technical scheme can realize.
The utility model provides a circuit board contact pin welding tool, which comprises a base; the clamping device comprises a base and is characterized in that a clamping assembly of a circuit board is arranged on the upper end face of the base, a positioning device of a contact pin is installed on the side face of the base, the clamping assembly limits the horizontal displacement of the base through points and straight lines, and the positioning device positions the height of the contact pin through steps and positioning blocks.
The clamping assembly comprises a fixing pin and a limiting block, the fixing pin and the limiting block are fixed on the end face of the base, and the distance between the limiting block and the fixing pin is the same as the distance between the positioning hole and the straight edge of the circuit board.
The positioning device comprises a support column and a positioning block, the support column is symmetrically arranged on the base, positioning tables are machined at the upper ends of the adjacent sides of the two support columns, the positioning block is supported and arranged on the support column through the positioning tables, and a plurality of pin holes which are identical to the circuit board in number and spacing between the pins to be welded are machined on the positioning block.
The positioning block and the positioning table are in clearance fit.
And the pin hole on the positioning block is processed on the side surface of the positioning block, and the shape of the pin hole is in clearance fit with the shape of the pin.
The fixing pin is a cylindrical pin, and the fixing pin is in clearance fit with the positioning hole in the circuit board.
The base is also provided with a material returning groove which is arranged at the joint of the base, the limiting block and the supporting column
The beneficial effects of the utility model reside in that: the circuit board and the contact pins are positioned through the tooling, the distance between the contact pins and the height between the contact pins and the circuit board in the welding process are fixed, the welding quality of the contact pins of the circuit board is ensured, all the contact pins are gradually welded after being positioned in one step, and meanwhile, the welding efficiency is also improved.
Drawings
FIG. 1 is a schematic view of the structure of the tool of the present invention;
fig. 2 is a schematic diagram of the structure of the circuit board of the present invention;
fig. 3 is a schematic view of the assembly structure of the present invention;
in the figure: the method comprises the following steps of 1-base, 2-fixed pins, 3-positioning blocks, 4-limiting blocks, 5-supporting columns, 6-positioning tables, 7-material returning grooves, 8-contact pins and 9-circuit boards.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A circuit board contact pin welding tool comprises a base 1; the upper end face of the base 1 is provided with a clamping assembly of a circuit board, the side face of the base 1 is provided with a positioning device of a contact pin, the clamping assembly limits the horizontal displacement of the base 1 through points and straight lines, and the positioning device positions the height of the contact pin through a step and a positioning block 3.
The clamping assembly comprises a fixing pin 2 and a limiting block 4, wherein the fixing pin 2 and the limiting block 4 are both fixed on the end face of the base 1, and the distance between the limiting block 4 and the fixing pin 2 is the same as the distance between the positioning hole and the straight edge of the circuit board.
The positioning device comprises a supporting column 5 and a positioning block 3, the supporting column 5 is symmetrically arranged on a base 1, the upper ends of the adjacent sides of the two supporting columns 5 are processed with a positioning table 6, the positioning block 3 is supported and arranged on the supporting column 5 through the positioning table 6, a plurality of pin holes with the same number as the spacing between the pins to be welded on the circuit board are processed on the positioning block 3, the height distance between the pins and the circuit board is ensured by the relative positions of the positioning block and the base, and the pins are not inclined and overturned by the pin holes. The distance between the upper square holes of the positioning blocks is processed according to the product requirements, the square holes are in clearance fit with the contact pins, and the clearance is smaller than the deflection requirement between the circuit board and the contact pins.
The positioning block 3 and the positioning table 6 are in clearance fit, and the fit clearance is smaller than the deflection requirement of the contact pin.
And a pin hole on the positioning block 3 is processed on the side surface of the positioning block 3, and the shape of the pin hole is in clearance fit with the shape of a pin.
The fixing pin 2 is a cylindrical pin, and the fixing pin 2 is in clearance fit with a positioning hole in the circuit board.
Still process on the base 1 and have material returned groove 7, material returned groove 7 sets up the junction at base 1 and stopper 4 and base 1 and support column 5.
As shown in fig. 3, during soldering, a circuit board is first placed on a base, horizontal displacement of the circuit board is limited by a fixing pin 2 on the base, the circuit board is clamped on the base 1 by limiting rotation of the circuit board through contact of a straight edge of a side surface 4 of the base 1 and a straight edge of a side surface of the circuit board, then a contact pin is sequentially installed in a contact pin hole on a positioning block 3, finally the positioning block 3 is assembled in a positioning table 6 on a support column 5, and the contact pin is contacted with the circuit board on the base 1 when the positioning block 3 is assembled in the positioning table 6 by setting the height of the positioning table. And finally, welding the pins 8 and the circuit board 9. After welding, the circuit board and the positioning block are simultaneously taken down through the material returning groove 7, and then the positioning block 7 is withdrawn to complete welding.
Claims (7)
1. The utility model provides a circuit board contact pin welding frock, includes base (1), its characterized in that: the clamping device is characterized in that the upper end face of the base (1) is provided with a clamping assembly of a circuit board, the side face of the base (1) is provided with a positioning device of a contact pin, the clamping assembly limits the horizontal displacement of the base (1) through a point and a straight line, and the positioning device is used for positioning the height of the contact pin through a step and a positioning block (3).
2. The circuit board pin welding tool according to claim 1, characterized in that: the clamping assembly comprises a fixing pin (2) and a limiting block (4), the fixing pin (2) and the limiting block (4) are fixed on the end face of the base (1), and the distance between the limiting block (4) and the fixing pin (2) is the same as the distance between the positioning hole and the straight edge of the circuit board.
3. The circuit board pin welding tool according to claim 1, characterized in that: positioner includes support column (5) and locating piece (3), support column (5) are installed on base (1) for two symmetries, and the processing of the adjacent side upper end of two support columns (5) has location platform (6), and locating piece (3) are through location platform (6) support mounting on support column (5), and processing has on locating piece (3) a plurality of and treats on the circuit board and treat the equal same plug pin hole of welding plug pin interval and quantity.
4. The circuit board pin welding tool according to claim 3, characterized in that: the positioning block (3) and the positioning table (6) are in clearance fit.
5. The circuit board pin welding tool according to claim 3, characterized in that: and a pin hole on the positioning block (3) is processed on the side surface of the positioning block (3), and the shape of the pin hole is in clearance fit with the shape of a pin.
6. The circuit board pin welding tool according to claim 2, characterized in that: the fixing pin (2) is a cylindrical pin, and the fixing pin (2) is in clearance fit with the positioning hole in the circuit board.
7. The circuit board pin welding tool according to claim 1, characterized in that: a material returning groove (7) is further processed on the base (1), and the material returning groove (7) is arranged at the connecting positions of the base (1), the limiting block (4), the base (1) and the supporting column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044873.7U CN210387880U (en) | 2019-07-05 | 2019-07-05 | Circuit board contact pin welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044873.7U CN210387880U (en) | 2019-07-05 | 2019-07-05 | Circuit board contact pin welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210387880U true CN210387880U (en) | 2020-04-24 |
Family
ID=70352917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921044873.7U Active CN210387880U (en) | 2019-07-05 | 2019-07-05 | Circuit board contact pin welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210387880U (en) |
-
2019
- 2019-07-05 CN CN201921044873.7U patent/CN210387880U/en active Active
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| GR01 | Patent grant |