CN214134681U

CN214134681U - Feed source welding jig

Info

Publication number: CN214134681U
Application number: CN202023022339.1U
Authority: CN
Inventors: 蔡志远; 陈忠; 王立; 刘重洋
Original assignee: Hefei Rhosoon Intelligent Technology Co ltd
Current assignee: Hefei Rhosoon Intelligent Technology Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-09-07
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a feed source welding jig, which comprises a base, a locking component and a central positioning piece; the base comprises a plate body and a weldment placing groove; the surface of the plate body is provided with a weldment placing groove; a workpiece is placed on the plate body; locking assemblies for locking the four corners of the workpiece are arranged at the four corners of the plate body; microstrip lines are arranged on two side edges of the workpiece; a weldment to be welded on the edge of the microstrip line is placed in the weldment placing groove; a plurality of strip-shaped central positioning holes are formed in the central line of the workpiece; the central positioning hole is matched and positioned with the central positioning piece; the central positioning piece is arranged in the center of the plate body; the utility model discloses, place the weldment standing groove with the weldment in, then with the central locating hole of work piece and the cooperation of central setting element on, at this moment, the microstrip line at work piece edge aligns with the weldment in the weldment standing groove, realizes accurate location, and reuse locking Assembly fixes the work piece on the plate body, and workpiece setting is swiftly convenient, and accurate location makes SMA probe and the accurate welding of microstrip line.

Description

Feed source welding jig

Technical Field

The utility model relates to a feed PCBA welding technology field specifically is feed welding jig.

Background

Satellite communication is a mainstream of recent development, welding between an SMA probe inside an antenna and a PCBA (printed Circuit Board Assembly) of a feed source becomes an indispensable process, a new process problem is generated, the productivity is improved while sufficient welding and accurate positioning are ensured, and the influence of high temperature on other parts is effectively reduced or even eliminated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the feed source welding jig is fast and convenient to install and accurate in positioning.

In order to solve the technical problem, the utility model provides a following technical scheme: the feed source welding jig comprises a base, a locking assembly and a central positioning piece; the base comprises a plate body and a weldment placing groove; a weldment placing groove is formed in the plate surface of the plate body; a workpiece is placed on the plate body; locking assemblies for locking four corners of the workpiece are arranged at four corners of the plate body; microstrip lines are arranged on two side edges of the workpiece; a weldment to be welded to the edge of the microstrip line is placed in the weldment placing groove; a plurality of strip-shaped central positioning holes are formed in the central line of the workpiece; the central positioning hole is matched and positioned with the central positioning piece; the center positioning piece is arranged in the center of the plate body.

In placing the weldment standing groove with the weldment, then with the central locating hole and the central setting element cooperation of work piece, at this moment, the microstrip line at work piece edge aligns with the weldment in the weldment standing groove, realizes accurate location, and reuse locking Assembly fixes the work piece on the plate body, and the work piece installation is swift convenient, and accurate location makes SMA probe and the accurate welding of microstrip line.

Preferably, the locking assembly comprises four groups of buckles and first pin shafts which are arranged at four corners of the plate body; the four groups of buckles are symmetrical about the center of the plate body; the buckle is sleeved outside the first pin shaft and can rotate along the axis of the first pin shaft; the first pin shaft is vertically inserted into a shaft hole formed in the plate surface of the plate body.

Preferably, the buckle comprises a wedge-shaped block and a sleeve; a wedge-shaped block which extends outwards towards the sleeve body and has gradually reduced space at two sides is fixed at one side of the sleeve body; the sleeve is sleeved on the shaft body of the first pin shaft.

Preferably, an anti-slip groove is formed in one side, facing the board surface, of the wedge-shaped block.

Preferably, a first limiting plate with the radius larger than the radius of the section of the first pin shaft is fixed at the top end of the first pin shaft; a first spring sleeved on the first pin shaft body is arranged in the sleeve; the radius of the outer ring of the first spring is smaller than that of the first limiting plate.

Preferably, the length direction of the central positioning hole is consistent with the length direction of the workpiece; the central positioning part comprises a positioning block and a second pin shaft; the positioning block is arranged above the central positioning hole; the outer contour of one side of the positioning block facing the workpiece is the same as the shape and size of the central positioning hole; the second pin shaft is vertically inserted in the center of the plate surface of the plate body; the positioning block is provided with a vertically through center hole along a center vertical line; the second pin shaft penetrates through a center hole of the positioning block; and the positioning block rotates along the axis of the second pin shaft.

Preferably, a second limiting plate with the radius larger than that of the section of the second pin shaft is fixed at the top end of the second pin shaft; a second spring sleeved on the second pin shaft body is further arranged in the central hole; and the radius of the outer ring of the second spring is smaller than that of the second limiting plate.

Preferably, a positioning column is fixed in the weldment placing groove; the top end of the positioning column is slightly higher than the height of the notch of the weldment placing groove; the top end of the positioning column is contacted with the bottom surface of the workpiece.

Preferably, the workpiece is PCBA; the weldment is an SMA probe.

Firstly, a weldment is placed in a weldment placing groove, then a central positioning hole of a workpiece is aligned with a positioning block, the central positioning hole penetrates through the positioning block, the workpiece is placed on a plate body, then the positioning block is rotated, two sides of the positioning block are clamped on the plate body, a buckle is rotated, a wedge-shaped block of the buckle buckles four corners of the workpiece, the workpiece is locked, the workpiece is installed quickly and conveniently, and an SMA probe is accurately welded with a microstrip line through accurate positioning; then when the fastener and the positioning block are used for pressing the PCBA, the first spring and the second spring pull the fastener and the positioning block to move towards the plate body, and further pull the PCBA to the SMA probes placed in the welding part placing groove, so that the PCBA and the SMA probes are fully attached, and the welding performance is better; PCBA is welded through this feed welding jig, and production efficiency is high, stable in quality.

Compared with the prior art, the beneficial effects of the utility model are that:

A. the central positioning piece is arranged on the locking assembly, so that the workpiece is accurately positioned, the workpiece is quickly and conveniently installed, and the SMA probe and the microstrip line are accurately welded through accurate positioning;

B. the PCBA and the SMA probe are fully attached by arranging the first spring and the second spring, so that the welding performance is better; the wedge has seted up anti-skidding recess on one side towards the plate body face, prevents the work piece activity, further realizes locking to the work piece.

Drawings

Fig. 1 is a perspective view of the feed source welding jig of the present invention;

fig. 2 is an exploded view of the feed source welding jig of the present invention;

FIG. 3 is a perspective view of the buckle of the present invention;

fig. 4 is a perspective view of the positioning block of the present invention;

fig. 5 is a perspective view of the tool bottom plate of the present invention.

Reference numerals: 1. a base; 11. a plate body; 12. a weldment placing groove; 13. a positioning column; 2. a locking assembly; 21. buckling; 211. a wedge block; 212. a sleeve; 213. an anti-slip groove; 22. a first pin shaft; 23. a first spring; 3. a central positioning member; 31. positioning blocks; 32. a second pin shaft; 33. a second spring; 4. a workpiece; 41. a central positioning hole; 42. a microstrip line.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the present embodiment discloses a feed source welding jig, which includes a base 1, a locking assembly 2, and a central positioning element 3.

Referring to fig. 5, the base 1 includes a plate 11, a weldment holding groove 12, and a positioning column 13. Two groups of weldment placing grooves 12 which are symmetrical along the center of the plate body 1 are formed in the surface of the plate body 11. And a positioning column 13 is fixed in the weldment placing groove 12 through a bolt. The top end of the positioning column 13 is slightly higher than the notch height of the weldment placing groove 12. The top end of the positioning column 13 is contacted with the bottom surface of the workpiece 4.

Referring to fig. 2, the locking assembly 2 includes four sets of buckles 21 and first pins 22 disposed at four corners of the plate 11. The four sets of buckles 21 are symmetrical with respect to the center of the plate body 1. The buckle 21 is sleeved outside the first pin 22 and can rotate along the axis of the first pin 22. The first pin 22 is vertically inserted into a shaft hole formed on the plate surface of the plate body 11.

Referring to fig. 3, the clip 21 includes a wedge 211 and a sleeve 212. A wedge-shaped block 211 which extends outwards towards the barrel body of the sleeve 212 and has a gradually decreasing distance between two sides is fixed on one side of the barrel body of the sleeve 212. The sleeve 212 is sleeved on the shaft body of the first pin 22.

The wedge-shaped block 211 is provided with an anti-slip groove 213 on one side facing the board body 11. Prevent the work piece activity, further realize locking to the work piece.

Referring to fig. 2 and 3, a first limiting plate having a radius larger than the radius of the cross section of the first pin 22 is fixed to the top end of the first pin 22. A first spring 23 sleeved on the shaft body of the first pin shaft 22 is arranged in the sleeve 212. The radius of the outer ring of the first spring 23 is smaller than that of the first limiting plate.

Referring to fig. 2 and 4, a plurality of elongated center positioning holes 41 are formed on a center line of the workpiece 4. The length direction of the center positioning hole 41 coincides with the length direction of the workpiece. The central positioning member 3 includes a positioning block 31 and a second pin 32. The positioning block 31 is disposed above the center positioning hole 41. The outer contour of the positioning block 31 facing the workpiece 4 is the same as the shape and size of the central positioning hole 41. The second pin shaft 32 is vertically inserted into the center of the plate surface of the plate body 11. The positioning block 31 is provided with a vertically through center hole along a vertical center line. The second pin shaft 32 passes through the central hole of the positioning block 31. And the positioning block 31 rotates along the axis of the second pin 32.

Referring to fig. 4, a second limiting plate having a radius larger than the radius of the cross section of the second pin 32 is fixed to the top end of the second pin 32. And a second spring 33 sleeved on the shaft body of the second pin shaft 32 is further arranged in the central hole. The radius of the outer ring of the second spring 33 is smaller than that of the second limit plate.

Microstrip lines 42 are arranged on two side edges of the workpiece 4. The soldering piece 5 to be soldered to the edge of the microstrip line 42 is placed in the soldering piece placing groove 12.

The workpiece 4 is a PCBA. The weldment 5 is an SMA probe.

The working principle of the embodiment is as follows: firstly, a weldment 5 is placed in a weldment placing groove 12, then a central positioning hole 41 of a workpiece 4 is aligned with a positioning block 31, the central positioning hole 41 penetrates through the positioning block 31, the workpiece 4 is placed on a plate body 11, then the positioning block 31 is rotated, two sides of the positioning block 31 are clamped on the plate body 11, a buckle 21 is rotated, a wedge-shaped block 211 of the buckle 21 buckles four corners of the workpiece 4, the workpiece 4 is locked, the workpiece 4 is installed quickly and conveniently, and an SMA probe is accurately welded with a microstrip line 42 through accurate positioning; then, when the fastener 21 and the positioning block 31 are pressed on the PCBA, the first spring 23 and the second spring 33 pull the fastener 21 and the positioning block 31 to move towards the plate body 11, and further pull the PCBA to the SMA probes placed in the weldment placing groove 12, so that the PCBA and the SMA probes are fully attached, and the welding performance is better; PCBA is welded through this feed welding jig, and production efficiency is high, stable in quality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. Feed source welding jig, its characterized in that: comprises a base, a locking component and a central positioning piece; the base comprises a plate body and a weldment placing groove; a weldment placing groove is formed in the plate surface of the plate body; a workpiece is placed on the plate body; locking assemblies for locking four corners of the workpiece are arranged at four corners of the plate body; microstrip lines are arranged on two side edges of the workpiece; a weldment to be welded to the edge of the microstrip line is placed in the weldment placing groove; a plurality of strip-shaped central positioning holes are formed in the central line of the workpiece; the central positioning hole is matched and positioned with the central positioning piece; the center positioning piece is arranged in the center of the plate body.

2. The feed source welding jig of claim 1, characterized in that: the locking assembly comprises four groups of buckles arranged at four corners of the plate body and a first pin shaft; the four groups of buckles are symmetrical about the center of the plate body; the buckle is sleeved outside the first pin shaft and can rotate along the axis of the first pin shaft; the first pin shaft is vertically inserted into a shaft hole formed in the plate surface of the plate body.

3. The feed source welding jig of claim 2, characterized in that: the buckle comprises a wedge-shaped block and a sleeve; a wedge-shaped block which extends outwards towards the sleeve body and has gradually reduced space at two sides is fixed at one side of the sleeve body; the sleeve is sleeved on the shaft body of the first pin shaft.

4. The feed source welding jig of claim 3, characterized in that: an anti-slip groove is formed in one side, facing the board surface, of the wedge-shaped block.

5. The feed source welding jig of claim 3, characterized in that: a first limiting plate with the radius larger than the radius of the section of the first pin shaft is fixed at the top end of the first pin shaft; a first spring sleeved on the first pin shaft body is arranged in the sleeve; the radius of the outer ring of the first spring is smaller than that of the first limiting plate.

6. The feed source welding jig of claim 1, characterized in that: the length direction of the central positioning hole is consistent with the length direction of the workpiece; the central positioning part comprises a positioning block and a second pin shaft; the positioning block is arranged above the central positioning hole; the outer contour of one side of the positioning block facing the workpiece is the same as the shape and size of the central positioning hole; the second pin shaft is vertically inserted in the center of the plate surface of the plate body; the positioning block is provided with a vertically through center hole along a center vertical line; the second pin shaft penetrates through a center hole of the positioning block; and the positioning block rotates along the axis of the second pin shaft.

7. The feed source welding jig of claim 6, characterized in that: a second limiting plate with the radius larger than the radius of the section of the second pin shaft is fixed at the top end of the second pin shaft; a second spring sleeved on the second pin shaft body is further arranged in the central hole; and the radius of the outer ring of the second spring is smaller than that of the second limiting plate.

8. The feed source welding jig of claim 1, characterized in that: a positioning column is fixed in the weldment placing groove; the top end of the positioning column is slightly higher than the height of the notch of the weldment placing groove; the top end of the positioning column is contacted with the bottom surface of the workpiece.

9. The feed source welding jig of claim 1, characterized in that: the workpiece is PCBA; the weldment is an SMA probe.