CN112969310A - Positioning and assembling jig for power adapter - Google Patents
Positioning and assembling jig for power adapter Download PDFInfo
- Publication number
- CN112969310A CN112969310A CN202110162531.0A CN202110162531A CN112969310A CN 112969310 A CN112969310 A CN 112969310A CN 202110162531 A CN202110162531 A CN 202110162531A CN 112969310 A CN112969310 A CN 112969310A
- Authority
- CN
- China
- Prior art keywords
- positioning
- circuit board
- plug
- main body
- power adapter
- 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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3447—Lead-in-hole components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/167—Using mechanical means for positioning, alignment or registration, e.g. using rod-in-hole alignment
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention discloses a positioning and assembling jig of a power adapter, which comprises a main body, wherein a plurality of positioning grooves matched with plug-in components are formed in the main body, pins of the plug-in components face the outer side direction of the positioning grooves when the plug-in components are placed in the positioning grooves, positioning columns matched with the positioning holes of a circuit board are arranged on the main body, when the circuit board is placed on the positioning jig in a mode that the positioning columns are matched with the positioning holes, the pins of the plug-in components in the positioning grooves are inserted into through holes of the circuit board, and a limiting assembly used for limiting and fixing the circuit board on the main body is further arranged on the main body. The invention firstly pre-positions the plug-in components, then the circuit board is simultaneously plugged with the plug-in components, welding operation can be carried out under the condition of keeping the stable plugging state of the circuit board and the plug-in components, the welding connection precision and reliability of the plug-in components and the circuit board are improved, and the performance stability of the power adapter is ensured.
Description
Technical Field
The invention relates to the technical field of production and manufacturing of power adapters, in particular to a positioning and assembling jig for a power adapter.
Background
The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, has the working principle that alternating current input is converted into direct current output, and is commonly used for equipment such as mobile phones, liquid crystal displays, notebook computers and the like.
The circuit board of the power adapter usually uses a relatively bulky plug-in component, and the pins of the plug-in component are inserted into the through holes on the circuit board and then soldered. In the prior art, the process mode of long insertion and short insertion is usually included, the long insertion means that pins of a plug-in component are directly inserted into via holes of a circuit board without preprocessing, and the short insertion means that the pins of the plug-in component are bent, formed and cut off first and then inserted into the via holes of the circuit board. In the prior art, a plug-in component is usually installed manually, that is, pins of the plug-in components are inserted into via holes on a circuit board manually, and then the plug-in components are connected with the circuit board in a welding manner by dip soldering or wave soldering, but the manual plug-in manner has low efficiency and high labor intensity, and is difficult to ensure that the plug-in components are plugged in place, and the plug-in components are easy to displace in the welding process, so that the connection between the plug-in components and the circuit board is unreliable, and the performance stability of the power adapter is affected.
Disclosure of Invention
The invention aims to solve the technical problems and provide a technical task for improving the prior art, provides a positioning and assembling jig for a power adapter, and solves the problems of low circuit board assembling efficiency and low assembling reliability of the power adapter in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a positioning and assembling jig for a power adapter comprises a main body, wherein a plurality of positioning grooves matched with plug-in components are formed in the main body, and pins of the plug-in components face the outer side direction of the positioning grooves when the plug-in components are placed in the positioning grooves;
the main body is provided with a positioning column matched with the positioning hole of the circuit board, when the circuit board is placed on the positioning jig in a mode that the positioning column is matched with the positioning hole, the pin of the plug-in component positioned in the positioning groove is inserted into the through hole of the circuit board, and the main body is further provided with a limiting assembly used for limiting and fixing the circuit board on the main body.
The positioning and assembling jig for the power adapter can position the plug-in components, then the circuit board is simultaneously connected with the plug-in components in an inserting manner when positioned and placed on the main body, the assembling efficiency is effectively improved, and the circuit board is fixed by the limiting assembly after being placed in place, so that the stable inserting relationship between the plug-in components and the circuit board can be guaranteed in the welding process, the relative displacement between the plug-in components and the circuit board is avoided, the welding connection precision and reliability of the plug-in components and the circuit board are improved, and the performance stability of the power adapter is guaranteed.
Furthermore, the limiting assembly comprises a clamping piece hinged to the main body, an elastic piece is further arranged between the clamping piece and the main body, and the elastic piece drives the clamping piece to rotate to clamp the edge of the circuit board.
Further, the middle part of the clamping piece is hinged to the main body, a limiting bulge is arranged at one end, matched with the edge of the circuit board, of the clamping piece, and a avoiding hole for avoiding the other end of the clamping piece is formed in the main body.
Furthermore, the side edge of the avoidance hole, which is positioned on the clamping piece, is also provided with a retaining bulge, the side edge of the clamping piece is provided with a retaining groove matched with the retaining bulge, and the retaining bulge is clamped into the retaining groove when the clamping piece rotates to be separated from the circuit board.
Further, the holding projection is an elastic expansion piece.
Furthermore, a plurality of limiting assemblies are arranged on the circuit board in the circumferential direction at intervals.
Furthermore, the bottom of the positioning groove is provided with an elastic pushing piece which drives the plug-in component to move towards the outer side direction of the positioning groove.
Further, the elastic pushing member comprises a spring and a flexible member connected to the spring, and the flexible member is located between the spring and the plug-in component.
Furthermore, a through hole is formed in the bottom of the positioning groove, an adjusting piece is connected to the through hole in a threaded mode, the elastic piece is supported on the adjusting piece, and the adjusting piece is screwed to enable the adjusting piece to move axially along the through hole so as to adjust elastic thrust of the elastic pushing piece to the plug-in component.
Furthermore, the main body is also provided with support columns, and the support columns are supported on the surface of the circuit board and are distributed at intervals along the surface of the circuit board.
Compared with the prior art, the invention has the advantages that:
the positioning and assembling jig for the power adapter disclosed by the invention is characterized in that the plug-in components are pre-positioned, then the circuit board is plugged with the plug-in components at the same time, welding operation can be carried out under the condition that the stable plugging state of the circuit board and the plug-in components is kept, the welding connection precision and reliability of the plug-in components and the circuit board are improved, the assembling quality is improved, and the performance stability of the power adapter is ensured.
Drawings
FIG. 1 is a schematic structural view of a positioning fixture for assembling a circuit board of a power adapter;
fig. 2 is a schematic cross-sectional view of the retaining protrusion snapped into the retaining groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The positioning and assembling jig for the power adapter disclosed by the embodiment of the invention has the advantages that the assembling efficiency is effectively improved, the labor intensity of workers is reduced, the connection reliability between a plug-in component and a circuit board in the welding process can be ensured, the assembling quality is improved, and the performance stability of the power adapter is ensured.
As shown in fig. 1 and 2, the positioning and assembling jig for the power adapter comprises a main body 1, wherein the main body 1 is made of bakelite, and the bakelite has high mechanical strength, good insulativity, heat resistance, corrosion resistance and good structural stability and can ensure high-precision positioning. The main body 1 is provided with a plurality of positioning grooves 11 matched with each plug-in component b, and pins of the plug-in components b face the outer side direction of the positioning grooves 11 when the plug-in components b are placed in the positioning grooves, so that the circuit board c can be buckled on the main body 1 and the pins of all the plug-in components b can be just inserted into the through holes on the circuit board c;
in order to ensure that the circuit board c is accurately placed on the main body, a positioning column 12 matched with a positioning hole of the circuit board c is arranged on the main body 1, the circuit board c is placed on a positioning jig a in a mode that the positioning column 12 is matched with the positioning hole, the positioning hole of the circuit board c is mainly distributed at the edge of the circuit board c, and the positioning column 12 plays a role in positioning and supporting the circuit board c, so that the positioning jig can position the plug-in component b and also can position and install the circuit board c, and the accurate position relation between the circuit board c and the plug-in component b is further ensured; the middle area of the circuit board c is in a suspended state, and the circuit board c warps due to self deformation or gravity, so that it is difficult to ensure that all the plug-in components b are tightly attached to the circuit board c, the main body 1 is further provided with a plurality of supporting columns 13, the supporting columns 13 are supported on the surface of the circuit board c and are distributed at intervals along the surface of the circuit board c, and the supporting columns are utilized to ensure the smoothness of the circuit board c, so that the assembly precision and quality are improved;
in order to keep the circuit board c and the plug-in component b in a precise position relationship, a limiting component 2 is arranged on the main body 1, and the limiting component 2 mainly plays a role in preventing the circuit board c from being separated from the positioning column 12, namely, the circuit board c is kept in close contact with the plug-in component b;
in this embodiment, the limiting component 2 includes a clamping member 21 hinged on the main body 1, an elastic member is further disposed between the clamping member 21 and the main body 1, the elastic member may be a torsion spring or a spring member, and the elastic member drives the clamping member 21 to rotate to clamp the edge of the circuit board c. Specifically, the middle part of fastener 21 articulates in the main part, and fastener 21 has set up spacing arch 22 with circuit board c edge complex one end, and spacing arch 22 is the wedge form, and circuit board c can be convenient block along the spacing arch of wedge form is direct to be gone into to prevent to withdraw from after circuit board c blocks in place, the main part on set up dodge the hole 14 of dodging the fastener 21 other end for operation fastener 21 rotates and then realizes the unblock to circuit board c. The limiting assemblies 2 are arranged on the circuit board c at intervals in the circumferential direction, so that the circuit board c is ensured to be stably clamped in the whole circumferential direction of the circuit board c, the circuit board c is prevented from loosening and shifting, and the circuit board c is ensured to be tightly attached to the plug-in component b;
in order to take out the circuit board c conveniently, the avoidance hole 14 is also provided with a retaining protrusion 15 at the side edge of the clamping piece 21, the side edge of the clamping piece 21 is provided with a retaining groove 23 matched with the retaining protrusion 15, and the retaining protrusion 15 is clamped into the retaining groove 23 when the clamping piece rotates to be separated from the circuit board c, so that the current state of the clamping piece 21 is maintained, the circuit board c is convenient to take out, and the circuit board c can be taken out only by manually pressing the clamping piece 21 in an unlocking state all the time; the retaining protrusion 15 may be specifically configured as an elastic telescopic member, that is, a small hole is formed on the side of the avoiding hole 14, and a spring member and a protruding protrusion member driven by the spring member are placed in the small hole, so that the retaining clip member 21 is reliably kept in the unlocking state. Other retention assemblies that enable the circuit board c to be secured to the body 1 such that the circuit board c is in close proximity to the interposer element b are within the scope of the present invention.
In order to make the plug-in component b closely fit with the circuit board c, an elastic pushing piece 4 for driving the plug-in component b to move towards the outside direction of the positioning groove 11 is arranged at the bottom of the positioning groove 11, that is, the plug-in component b is pressed on the circuit board c by the elastic force of the elastic pushing piece 4, specifically, the elastic pushing piece 4 comprises a spring 41 and a flexible piece 42 connected to the spring 41, the flexible piece 42 is positioned between the spring 41 and the plug-in component b, and the flexible piece is used for achieving the effect of flexible contact, so that the plug-in component b is prevented from being damaged due to the fact that the spring 41 directly presses on the plug-in component b, the integrity of the plug-in component b is guaranteed, and the plug-in component b is guaranteed to have stable and good electrical performance; and, the bottom of the locating slot 11 is provided with a through hole, the through hole is screwed with an adjusting piece 43, the spring 41 of the elastic pushing piece 4 is supported on the adjusting piece 43, and the adjusting piece 43 is screwed so that the adjusting piece 43 moves along the axial direction of the through hole to adjust the elastic thrust of the elastic pushing piece 4 to the plug-in component b, so that the moderate elastic thrust is ensured, the warping of the circuit board c caused by the overlarge elastic thrust is avoided, and the situation that the plug-in component b cannot be tightly attached to the circuit board c due to the undersize elastic thrust is also avoided.
The circuit board c is placed on the positioning jig a in a mode that the positioning column 12 is matched with the positioning hole, the circuit board c is guaranteed to be accurately placed in place, the supporting column 13 on the main body 1 is supported on the lower surface of the circuit board c, the smoothness of the circuit board c is guaranteed, the circuit board c is prevented from warping, meanwhile, pins of the plug-in component b are inserted into through holes of the circuit board c, then the circuit board c is limited and fixed on the main body 1 through the limiting component 2 arranged on the main body 1, specifically, the circuit board c is pressed downwards after the positioning hole of the circuit board c is aligned with the positioning column, the edge of the circuit board c is contacted with the limiting bulge of the clamping piece and pushes the limiting bulge through the inclined plane of the wedge-shaped limiting bulge, the limiting bulge rotates to avoid the circuit board c, after the circuit board c passes through the limiting bulge, the limiting bulge is, thereby realizing the function of fixing the circuit board c, and the plug-in components b in the positioning grooves 11 are tightly attached to the circuit board c under the action of the elastic pushing piece 4. During subsequent welding, the circuit board and the plug-in element are kept to be placed on the positioning and assembling jig, so that the stable and accurate splicing relation between the plug-in element and the circuit board is guaranteed, relative displacement between the plug-in element and the circuit board is avoided, the welding connection precision and reliability of the plug-in element and the circuit board are improved, and the performance stability of the power adapter is guaranteed.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The positioning and assembling jig for the power adapter is characterized by comprising a main body (1), wherein a plurality of positioning grooves (11) matched with plug-in components are formed in the main body, and pins of the plug-in components face the outer side direction of the positioning grooves (11) when the plug-in components are placed in the positioning grooves;
the positioning jig is characterized in that a positioning column (12) matched with a positioning hole of the circuit board is arranged on the main body (1), when the circuit board is placed on the positioning jig (a) in a mode that the positioning column (12) is matched with the positioning hole, a pin of a plug-in component located in the positioning groove (11) is inserted into a through hole of the circuit board, and a limiting assembly (2) used for limiting and fixing the circuit board on the main body (1) is further arranged on the main body (1).
2. The positioning and assembling jig for the power adapter as claimed in claim 1, wherein the limiting component (2) comprises a clamping piece (21) hinged on the main body (1), an elastic piece is further arranged between the clamping piece (21) and the main body (1), and the elastic piece drives the clamping piece (21) to rotate to clamp the edge of the circuit board.
3. The positioning and assembling jig for the power adapter as claimed in claim 2, wherein the middle part of the clamping member (21) is hinged to the main body, a limiting protrusion (22) is disposed at one end of the clamping member (21) matched with the edge of the circuit board, and an avoiding hole (14) for avoiding the other end of the clamping member (21) is disposed on the main body.
4. The positioning and assembling jig for the power adapter as claimed in claim 3, wherein the avoiding hole (14) is further provided with a retaining protrusion (15) at the side edge of the clip (21), the side edge of the clip (21) is provided with a retaining groove (23) matched with the retaining protrusion (15), and the retaining protrusion (15) is clamped into the retaining groove (23) when the clip rotates to be separated from the circuit board.
5. The fixture for positioning and assembling the power adapter according to claim 4, wherein the holding protrusion (15) is an elastic expansion piece.
6. The positioning and assembling jig for the power adapter as claimed in claim 1, wherein the limiting component (2) is provided with a plurality of limiting components at intervals in the circumferential direction of the circuit board.
7. The jig for positioning and assembling a power adapter according to any one of claims 1 to 6, wherein the bottom of the positioning groove (11) is provided with an elastic pushing member (4) for driving the plug-in components to move toward the outside of the positioning groove (11).
8. The positioning and assembling jig for the power adapter as claimed in claim 7, wherein the elastic pushing member (4) comprises a spring (41) and a flexible member (42) connected to the spring (41), and the flexible member (42) is located between the spring (41) and the plug-in component.
9. The positioning and assembling jig for the power adapter as claimed in claim 7, wherein the bottom of the positioning groove (11) is provided with a through hole, the through hole is screwed with the adjusting member (43), the elastic pushing member (4) is supported on the adjusting member (43), and the adjusting member (43) is screwed to axially move the adjusting member (43) along the through hole so as to adjust the elastic pushing force of the elastic pushing member (4) on the plug-in component.
10. The fixture for positioning and assembling the power adapter according to any one of claims 1 to 6, wherein the main body (1) is further provided with support columns (13), and the support columns (13) are supported on the surface of the circuit board and are distributed at intervals along the surface of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110162531.0A CN112969310B (en) | 2021-02-05 | 2021-02-05 | Positioning and assembling jig for power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110162531.0A CN112969310B (en) | 2021-02-05 | 2021-02-05 | Positioning and assembling jig for power adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112969310A true CN112969310A (en) | 2021-06-15 |
| CN112969310B CN112969310B (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110162531.0A Active CN112969310B (en) | 2021-02-05 | 2021-02-05 | Positioning and assembling jig for power adapter |
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| Country | Link |
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| CN (1) | CN112969310B (en) |
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| CN112969310B (en) | 2023-08-15 |
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Address after: 635000 4th floor, building 3, zhizaoyuan workshop (phase I), south of Qihe Road, economic development zone, Dazhou City, Sichuan Province Applicant after: Sichuan Enju Electronic Technology Co.,Ltd. Address before: 635000 4th floor, building 3, zhizaoyuan workshop (phase I), south of Qihe Road, economic development zone, Dazhou City, Sichuan Province Applicant before: Sichuan Enju Industrial Co.,Ltd. |
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