CN213289231U - Supporting and positioning tool for welding of PCB welding fork - Google Patents
Supporting and positioning tool for welding of PCB welding fork Download PDFInfo
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- CN213289231U CN213289231U CN202021992508.1U CN202021992508U CN213289231U CN 213289231 U CN213289231 U CN 213289231U CN 202021992508 U CN202021992508 U CN 202021992508U CN 213289231 U CN213289231 U CN 213289231U
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Abstract
The utility model discloses a PCB board welding fork welding is with supporting location frock, including the locating plate of level setting in PCB board top, the mounting hole that corresponds PCB board separately on the locating plate has is connected and is fixed with the reference column that sets up vertically downwards, and the reference column includes reference column linkage segment of upper end and the reference column grafting section of lower extreme, and makes reference column linkage segment diameter be greater than reference column grafting section diameter setting, the grafting that the reference column grafting section can the one-to-one is pegged graft in the mounting hole that PCB board has, and the spacing step face that forms between reference column linkage segment and the reference column grafting section pastes the support on PCB board upper surface so that PCB board and locating plate are the interval setting in vertical direction; the positioning plates are respectively provided with positioning holes corresponding to the welding positions of the welding forks on the PCB, and the lower ends of the welding forks can be attached to the upper surface of the PCB after the welding forks can be placed into the positioning holes. The utility model has the advantages of simple structure can facilitate the use, can improve welding efficiency.
Description
Technical Field
The utility model belongs to the technical field of the voltage regulator, concretely relates to PCB board welds fork welding with supporting location frock.
Background
The voltage regulator includes outside casing, is provided with the PCB board and extends to the outside pencil of casing with PCB board electricity in the casing. The two side edge positions of the PCB are usually provided with two mounting holes penetrating the thickness direction thereof for connecting with the housing. In the assembly process of the voltage regulator, after one end of the wire harness is required to be welded and connected with the PCB, the PCB and components on the PCB are submerged by adopting medium-temperature epoxy resin encapsulation on the PCB. The structure ensures that the end part of the wire harness needs to be encapsulated and covered by middle-temperature epoxy resin, so that the assembly operation is inconvenient. Therefore, the applicant adopts a structure that the welding fork is welded at the position of the wiring point of the PCB, and then the wire harness is welded with the upper end of the welding fork so as to be convenient to assemble. But because of the position that needs the wiring on the PCB board is many, the welding fork quantity that needs the welding is many, when current welding fork, adopts the whole welding fork that is L shape of pliers centre gripping usually for the horizontal segment of welding fork lower extreme pastes with PCB board wiring point position mutually, and welded fastening again. The mode has low welding efficiency, can not well control the precision of the welding position, and wastes time and labor in operation.
Therefore, how to provide a supporting and positioning tool for welding a PCB welding fork, which has a simple structure, can be conveniently used and can improve the welding efficiency, becomes a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, can facilitate the use, can improve the PCB board that welding efficiency welds fork welding with supporting location frock.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a supporting and positioning tool for welding of a PCB comprises a positioning plate horizontally arranged above the PCB, wherein mounting holes which are respectively arranged on the positioning plate and correspond to the PCB are fixedly connected with positioning columns which are vertically arranged downwards, each positioning column comprises a positioning column connecting section at the upper end and a positioning column inserting section at the lower end, the diameter of the positioning column connecting section is larger than that of the positioning column inserting section, the positioning column inserting sections can be inserted into the mounting holes in the PCB in a one-to-one correspondence manner, and a limiting step surface formed between the positioning column connecting sections and the positioning column inserting sections is attached to and supported on the upper surface of the PCB so that the PCB and the positioning plate are arranged at intervals in the vertical direction; positioning holes are formed in the positioning plates respectively corresponding to the welding positions of the welding forks on the PCB, the lower ends of the welding forks can be attached to the upper surface of the PCB after the welding forks can be placed in the positioning holes, and the upper ends of the welding forks extend to the positions above the upper surface of the positioning plates; and a plurality of heat dissipation holes are arranged outside the area corresponding to the positioning hole on the positioning plate.
Like this, above-mentioned frock is when using, with the locating plate horizontally place in PCB board top, and the mounting hole setting of reference column one-to-one PCB board on the locating plate for the grafting of reference column grafting section one-to-one is in the mounting hole that PCB board has, behind the reference column grafting section inserted the mounting hole, and the spacing step face that forms between reference column linkage segment and the reference column grafting section pastes on PCB board upper surface mutually, and at this moment, PCB board and locating plate are the interval setting in vertical direction. And then the welding forks are respectively and correspondingly placed in the positioning holes, the lower ends of the welding forks are attached to the PCB, and the upper ends of the welding forks extend to the upper part of the positioning plate. And finishing the positioning and arrangement of the welding forks and finishing the welding. The locating hole and the welding fork are arranged in a one-to-one correspondence mode, so that omission is not prone to occurring during welding of the welding fork, and the qualified rate of products is better guaranteed. The tooling is simple in structure and convenient to use, welding efficiency of the welding fork can be improved, and the arranged heat dissipation holes form a hot air circulation channel, so that heat dissipation is facilitated.
As optimization, the mounting holes that correspond PCB board separately on the locating plate have are provided with the thread tightening hole, the reference column linkage segment is external screw thread rod structure and threaded connection in the thread tightening hole.
Like this, set up the thread tightening hole on the locating plate, reference column linkage segment threaded connection is in the thread tightening hole, makes things convenient for connection between the two more. And through the screw in length that changes reference column linkage segment for during the use, the interval between locating plate and the PCB board can be adjusted, adapts to the welding support location of the welding fork of different length dimensions better, and the practicality is stronger.
As optimization, the upper end of the connecting section of the positioning column extends to the upper part of the upper surface of the positioning plate and is provided with a limiting head which is of a hexagonal prism structure integrally.
Like this, the structure is simpler, makes things convenient for more that the instrument of adoption drives whole reference column and rotates in order to change the screw in length of reference column linkage segment. The upper end face of the limiting head is provided with an inner hexagonal hole.
Preferably, the positioning plate is an FR4 epoxy plate.
Therefore, the material selection is more reasonable.
As optimization, the PCB packaging structure further comprises a bottom supporting plate, wherein the bottom supporting plate is arranged below the PCB, a placing and accommodating cavity is arranged on the upper surface of the bottom supporting plate and corresponds to the outer contour of the PCB, and the PCB can be placed in the placing and accommodating cavity; and the vertical dimension of the accommodating cavity is smaller than the thickness dimension of the PCB.
Like this, through setting up the bottom sprag board, when above-mentioned frock used, place the placing of PCB board on the bottom sprag board at first and hold the intracavity to PCB board horizontal positioning. The design is more reasonable, can play the guard action to the PCB board.
As optimization, the length dimension of the inserting section of the positioning column is larger than the thickness dimension of the PCB; the bottom surface of the accommodating cavity is provided with a yielding hole corresponding to the inserting section of the positioning column respectively so that the lower end of the inserting section of the positioning column can extend into the yielding hole.
Therefore, the design is more reasonable, and the use is more convenient.
As optimization, a hollow hole penetrating through the bottom supporting plate in the thickness direction is formed in the middle of the bottom surface of the accommodating cavity.
Therefore, the hot air circulation is better facilitated, and the heat dissipation effect is achieved.
Preferably, the thickness of the positioning plate is 5 mm.
Thus, the design is more reasonable.
Drawings
Fig. 1 is a schematic structural view of a supporting and positioning tool for welding a PCB board welding fork according to an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to FIG. 1: a supporting and positioning tool for welding a PCB (printed circuit board) welding fork comprises a positioning plate 2 horizontally arranged above a PCB 1, wherein mounting holes which are respectively corresponding to the PCB on the positioning plate are fixedly connected with positioning columns 3 which are vertically arranged downwards, each positioning column comprises an upper positioning column connecting section 4 and a lower positioning column inserting section 5, the diameter of each positioning column connecting section is larger than that of each positioning column inserting section, the positioning column inserting sections can be correspondingly inserted into the mounting holes of the PCB 1 one by one, and a limiting step surface formed between each positioning column connecting section and each positioning column inserting section is attached to and supported on the upper surface of the PCB so that the PCB and the positioning plate are arranged at intervals in the vertical direction; positioning holes 6 are formed in the positioning plates respectively corresponding to welding fork welding positions on the PCB, and after the welding forks 7 can be placed into the positioning holes, the lower ends of the welding forks can be attached to the upper surface of the PCB, and the upper ends of the welding forks extend to the positions above the upper surface of the positioning plates; and a plurality of heat dissipation holes 8 are arranged outside the corresponding area of the positioning hole on the positioning plate.
Like this, above-mentioned frock is when using, with the locating plate horizontally place in PCB board top, and the mounting hole setting of reference column one-to-one PCB board on the locating plate for the grafting of reference column grafting section one-to-one is in the mounting hole that PCB board has, behind the reference column grafting section inserted the mounting hole, and the spacing step face that forms between reference column linkage segment and the reference column grafting section pastes on PCB board upper surface mutually, and at this moment, PCB board and locating plate are the interval setting in vertical direction. And then the welding forks are respectively and correspondingly placed in the positioning holes, the lower ends of the welding forks are attached to the PCB, and the upper ends of the welding forks extend to the upper part of the positioning plate. And finishing the positioning and arrangement of the welding forks and finishing the welding. The locating hole and the welding fork are arranged in a one-to-one correspondence mode, so that omission is not prone to occurring during welding of the welding fork, and the qualified rate of products is better guaranteed. The tooling is simple in structure and convenient to use, welding efficiency of the welding fork can be improved, and the arranged heat dissipation holes form a hot air circulation channel, so that heat dissipation is facilitated.
In this embodiment, the positioning plate 2 is provided with a threaded fixing hole corresponding to the mounting hole of the PCB 1, and the positioning column connecting section 4 has an external threaded rod structure and is threaded in the threaded fixing hole.
Like this, set up the thread tightening hole on the locating plate, reference column linkage segment threaded connection is in the thread tightening hole, makes things convenient for connection between the two more. And through the screw in length that changes reference column linkage segment for during the use, the interval between locating plate and the PCB board can be adjusted, adapts to the welding support location of the welding fork of different length dimensions better, and the practicality is stronger.
In the present embodiment, the upper end of the positioning column connecting section extends to the upper surface of the positioning plate and is provided with a limiting head 9 which is integrally hexagonal prism-shaped.
Like this, the structure is simpler, makes things convenient for more that the instrument of adoption drives whole reference column and rotates in order to change the screw in length of reference column linkage segment. The upper end face of the limiting head is provided with an inner hexagonal hole.
In this embodiment, the positioning board 2 is an FR4 epoxy board.
Therefore, the material selection is more reasonable.
In the specific embodiment, the PCB packaging structure further comprises a bottom support plate 10, wherein the bottom support plate is arranged below the PCB, a placing and accommodating cavity is arranged on the upper surface of the bottom support plate and corresponds to the outer contour of the PCB, and the PCB can be placed in the placing and accommodating cavity; and the vertical dimension of the accommodating cavity is smaller than the thickness dimension of the PCB.
Like this, through setting up the bottom sprag board, when above-mentioned frock used, place the placing of PCB board on the bottom sprag board at first and hold the intracavity to PCB board horizontal positioning. The design is more reasonable, can play the guard action to the PCB board.
In the specific embodiment, the length dimension of the insertion section of the positioning column is greater than the thickness dimension of the PCB; the bottom surface of the accommodating cavity is provided with a yielding hole 11 corresponding to the inserting section of the positioning column respectively so that the lower end of the inserting section of the positioning column can extend into the yielding hole.
Therefore, the design is more reasonable, and the use is more convenient.
In this embodiment, a hollow hole 12 is formed in the middle of the bottom of the accommodating cavity and penetrates through the bottom supporting plate in the thickness direction.
Therefore, the hot air circulation is better facilitated, and the heat dissipation effect is achieved.
In the present embodiment, the thickness of the positioning plate 2 is 5 mm.
Thus, the design is more reasonable.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A supporting and positioning tool for welding a PCB (printed circuit board) welding fork is characterized by comprising a positioning plate horizontally arranged above the PCB, wherein mounting holes which are respectively corresponding to the PCB on the positioning plate are fixedly connected with positioning columns which are vertically arranged downwards, each positioning column comprises an upper end positioning column connecting section and a lower end positioning column inserting section, the diameter of each positioning column connecting section is larger than that of each positioning column inserting section, the positioning column inserting sections can be correspondingly inserted into the mounting holes of the PCB, and a limiting step surface formed between the positioning column connecting sections and the positioning column inserting sections is attached to and supported on the upper surface of the PCB so that the PCB and the positioning plate are arranged at intervals in the vertical direction; positioning holes are formed in the positioning plates respectively corresponding to the welding positions of the welding forks on the PCB, the lower ends of the welding forks can be attached to the upper surface of the PCB after the welding forks can be placed in the positioning holes, and the upper ends of the welding forks extend to the positions above the upper surface of the positioning plates; and a plurality of heat dissipation holes are arranged outside the area corresponding to the positioning hole on the positioning plate.
2. The supporting and positioning tool for welding the PCB welding fork of claim 1, wherein the supporting and positioning tool comprises: the locating plate corresponds the mounting hole that PCB board had separately and is provided with the thread tightening hole, the reference column linkage segment is external screw thread rod structure and threaded connection in the thread tightening hole.
3. The supporting and positioning tool for welding the PCB welding fork of claim 2, wherein the supporting and positioning tool comprises: the upper end of the positioning column connecting section extends to the upper part of the upper surface of the positioning plate and is provided with a limiting head which is of a hexagonal prism structure integrally.
4. The supporting and positioning tool for welding the PCB welding fork of claim 1, wherein the supporting and positioning tool comprises: the positioning plate is an FR4 epoxy plate.
5. The supporting and positioning tool for welding the PCB welding fork of claim 1, wherein the supporting and positioning tool comprises: the PCB board placing device is characterized by further comprising a bottom supporting plate, wherein the bottom supporting plate is arranged below the PCB board, a placing accommodating cavity is formed in the upper surface of the bottom supporting plate and corresponds to the outer contour of the PCB board, and the PCB board can be placed in the placing accommodating cavity; and the vertical dimension of the accommodating cavity is smaller than the thickness dimension of the PCB.
6. The supporting and positioning tool for welding the PCB welding fork of claim 5, wherein the supporting and positioning tool comprises: the length dimension of the inserting section of the positioning column is larger than the thickness dimension of the PCB; the bottom surface of the accommodating cavity is provided with a yielding hole corresponding to the inserting section of the positioning column respectively so that the lower end of the inserting section of the positioning column can extend into the yielding hole.
7. The supporting and positioning tool for welding the PCB welding fork of claim 5, wherein the supporting and positioning tool comprises: the middle position of the bottom surface of the accommodating cavity is provided with a hollow hole which penetrates through the bottom supporting plate in the thickness direction.
8. The supporting and positioning tool for welding the PCB welding fork of claim 1, wherein the supporting and positioning tool comprises: the thickness of the positioning plate is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992508.1U CN213289231U (en) | 2020-09-11 | 2020-09-11 | Supporting and positioning tool for welding of PCB welding fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992508.1U CN213289231U (en) | 2020-09-11 | 2020-09-11 | Supporting and positioning tool for welding of PCB welding fork |
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| Publication Number | Publication Date |
|---|---|
| CN213289231U true CN213289231U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021992508.1U Active CN213289231U (en) | 2020-09-11 | 2020-09-11 | Supporting and positioning tool for welding of PCB welding fork |
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| CN (1) | CN213289231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399772A (en) * | 2021-06-03 | 2021-09-17 | 格力电器（郑州）有限公司 | Power module welding height fixing device |
| CN113828888A (en) * | 2021-10-12 | 2021-12-24 | 天长市祥威机电设备有限公司 | Coil pin tin dispensing equipment |
-
2020
- 2020-09-11 CN CN202021992508.1U patent/CN213289231U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399772A (en) * | 2021-06-03 | 2021-09-17 | 格力电器（郑州）有限公司 | Power module welding height fixing device |
| CN113828888A (en) * | 2021-10-12 | 2021-12-24 | 天长市祥威机电设备有限公司 | Coil pin tin dispensing equipment |
| CN113828888B (en) * | 2021-10-12 | 2023-03-14 | 天长市祥威机电设备有限公司 | Coil pin tin dispensing equipment |
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