CN212329989U

CN212329989U - Spot welding fixture and spot welding system for assembly part of medium and small power relay

Info

Publication number: CN212329989U
Application number: CN202020825033.0U
Authority: CN
Inventors: 国联坤; 龙智雄; 谭从; 莫成飞; 曾乾嵘
Original assignee: Guizhou Zhenhua Qunying Electric Appliance Co ltd State Owned No 891 Factory
Current assignee: Guizhou Zhenhua Qunying Electric Appliance Co ltd State Owned No 891 Factory
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-12
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a spot welding fixture and spot welding system for the assembly part of a medium and small power relay, which comprises a magnetic circuit part positioning block (1) and a contact part positioning block (2), wherein the magnetic circuit part positioning block (1) and the contact part positioning block (2) are butted together; the positioning block (1) of the magnetic circuit part is used for positioning the magnetic circuit part of the relay to be welded, and the positioning block (2) of the contact part is used for positioning the contact part of the relay to be welded. The utility model provides a spot welding anchor clamps treat welding relay magnetic circuit part and contact site respectively through magnetic circuit part locating piece and contact site location and fix a position to with the butt joint of magnetic circuit part locating piece and contact site location make together and treat welding relay magnetic circuit part and contact site and can butt joint together, realized easy operation, fix a position accurately, the requirement of the operation of being convenient for has guaranteed the position accuracy and the uniformity of solder joint.

Description

Spot welding fixture and spot welding system for assembly part of medium and small power relay

Technical Field

The utility model belongs to the technical field of special anchor clamps class, especially, relate to a well low power relay assembly part spot welding anchor clamps and spot welding system.

Background

With the rapid development of military science and technology in China, military relays have higher requirements for the reliability of relays, one of key parts influencing the reliability of relays is the process of spot welding of a product general assembly part, namely assembling and welding a relay magnetic circuit part and a contact part together. Therefore, how to ensure the centered spot welding of the magnetic circuit part and the contact part during the final assembly spot welding process is an important factor for ensuring the reliability of the product. In order to ensure the precision of the assembling position of the magnetic circuit part and the contact part, a pair of positioning clamps needs to be designed to accurately position the magnetic circuit part and the contact part, and meanwhile, the convenience of operation is guaranteed, and the production requirement is met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at here improves one kind and satisfies production demand, assemble spot welding in-process and fix a position magnetic circuit part and contact segment, rather than relying on the manual work to carry out the alignment welding, reaches easy operation, fixes a position accurately, and the requirement of the operation of being convenient for can guarantee the accurate, the good medium and small power relay assembly part spot welding anchor clamps of uniformity in position of solder joint

For realizing the utility model discloses the purpose, the utility model provides a little power relay assembly part spot welding anchor clamps includes:

the magnetic circuit part positioning block is used for positioning the magnetic circuit part of the relay to be welded;

the contact part positioning block is used for positioning the contact part of the relay to be welded;

the magnetic circuit portion positioning block and the contact portion positioning block are butted together.

Another object of the present invention is to provide a spot welding system for small and medium power relay assemblies. The spot welding system includes:

the spot welding fixture is used for positioning a magnetic circuit part and a contact part of the relay to be welded;

the upper electrode is used for welding the magnetic circuit part and the contact part of the relay to be welded;

the spot welding fixture is described.

Further, the utility model provides a spot welding system still includes electrode subassembly down for place spot welding anchor clamps.

Furthermore, the lower electrode assembly comprises a lower electrode positioning frame, a lower electrode and a connecting rod, the lower electrode positioning frame is installed on the lower electrode, one end of the connecting rod is installed on the lower electrode, and the other end of the connecting rod is suspended.

Furthermore, the size of the lower electrode positioning frame is larger than that of the spot welding fixture, so that the spot welding fixture can be adjusted according to welding conditions in the welding process, different contact points of the magnetic circuit part and the contact part are welded, and the spot welding fixture positions the magnetic circuit part and the contact part of the relay to be welded respectively, so that the spot welding fixture only needs to be moved when different contact points are required to be welded, and further the requirement of simplicity in operation is met.

The utility model has the advantages that: the utility model provides a spot welding anchor clamps treat welding relay magnetic circuit part and contact site respectively through magnetic circuit part locating piece and contact site location and fix a position to with the butt joint of magnetic circuit part locating piece and contact site location make together and treat welding relay magnetic circuit part and contact site and can butt joint together, realized easy operation, fix a position accurately, the requirement of the operation of being convenient for has guaranteed the position accuracy and the uniformity of solder joint.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a general assembly structure diagram of the spot welding fixture provided by the present invention;

fig. 2 is one of schematic structural diagrams of a positioning block of a magnetic circuit part in the spot welding fixture provided by the present invention;

fig. 3 is a second schematic structural view of a positioning block of a magnetic circuit part in the spot welding fixture according to the present invention;

fig. 4 is a schematic structural diagram of a contact part positioning block in the spot welding fixture provided by the present invention;

fig. 5 is a general assembly structure diagram of the spot welding system provided by the present invention;

fig. 6 is a schematic structural diagram of a lower electrode positioning block in the spot welding system provided by the present invention;

in the drawings: 1-magnetic circuit part positioning block, 2-contact part positioning block, 3-upper electrode, 4-lower electrode assembly, 5-spot welding fixture, 11-first positioning block body, 12-positioning cavity, 13-pressing block, 14-cover plate, 15-pressing block groove, 16-adjusting screw, 17-space, 21-second positioning block body, 22-positioning groove 22, 23-boss, 41-lower electrode positioning frame, 42-lower electrode, 43-connecting rod and 44-fastening screw.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the inventive arrangements can be practiced without one or more of the specific details, or with other methods. In other instances, well-known methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the invention.

Referring to fig. 1, the utility model provides a middle and low power relay assembly part spot welding anchor clamps includes magnetic circuit part locating piece 1 and contact part locating piece 2. The positioning block 1 of the magnetic circuit part is used for positioning the magnetic circuit part of the relay to be welded; the contact part positioning block 2 is used for positioning the contact part of the relay to be welded; the magnetic circuit part positioning block 1 and the contact part positioning block 2 are butted together.

Referring to fig. 2 and 3, the magnetic circuit part positioning block 1 herein includes a first positioning block body 11, a pressing block 13 and a cover plate 14, pressing block grooves 15 for mounting the pressing block 13 are formed on two outer side surfaces of the first positioning block body 11, and the length of the pressing block 13 is smaller than that of the pressing block groove 15, so that a space 17 is reserved in the pressing block mounting groove 15; the cover plate 14 is mounted at the end of the first positioning block body 11, and the first positioning block body 11 and the cover plate 14 form a positioning cavity 12 for a magnetic part of a relay to be welded on the first positioning block body 11.

Referring to fig. 4, the contact portion positioning block 2 includes a second positioning block body, and a positioning groove 22 is formed on the second positioning block body 21; the end of the second positioning block body 21 is provided with a boss 23 matched with the pressing block groove 15. The magnetic circuit part positioning block 1 and the contact part positioning block 2 are in interference connection through the lug boss 23 and the space 17, and butt joint of the two is achieved.

The positioning principle of the spot welding fixture provided by the invention is as follows: placing the magnetic circuit part of the relay to be welded in the positioning cavity 12 of the magnetic circuit part positioning block 1, and placing the contact part in the positioning groove 22 of the contact part positioning block 2; the space 17 and the boss 23 of the magnetic circuit part positioning block 1 and the contact part positioning block 2 are butted and pushed to form interference connection, so that the magnetic circuit part of the relay to be welded is contacted with the contact part, and the positioning purpose is achieved.

In order to adjust the position of the magnetic circuit part of the relay to be welded in the positioning cavity, so that the magnetic circuit part can be in full contact with the contact part and the stability of welding points is ensured, the positioning block 1 of the magnetic circuit part also comprises an adjusting screw 16. A manually or mechanically adjustable adjustment screw 16 is mounted on the cover plate 14 and extends into the positioning chamber 12. The magnetic circuit portion and the contact portion are more sufficiently fitted in place by the adjustment screw 16.

After the contact part and the magnetic circuit part of the relay to be welded are positioned by using the spot welding fixture provided by the invention, the upper electrode 3 is used for welding, and the spot welding fixture 5 and the upper electrode 3 form a spot welding system.

In order to provide a support platform for spot welding fixture 5, the spot welding system herein further includes a lower electrode assembly 4 for placement of spot welding fixture 5. The lower electrode assembly 4 includes a lower electrode positioning frame 41, a lower electrode 42, and a connecting rod 43, wherein the lower electrode positioning frame 41 is mounted on the lower electrode 42, one end of the connecting rod 43 is mounted on the lower electrode 42, and the other end is suspended.

The lower electrode positioning frame 41 is used for positioning the spot welding jig 5, as shown in fig. 5; the size of the lower electrode positioning frame 41 is larger than that of the spot welding fixture 5, so that the spot welding fixture 5 can not move in the X-axis direction and move in the Y-axis direction, the moving position is fixed, when the spot welding fixture 5 moves to the maximum position in the Y-axis positive direction, spot welding can be performed on a welding spot, when the spot welding fixture 5 moves to the maximum position in the Y-axis negative direction, spot welding can be performed on another welding spot, accurate positioning during spot welding of a product is achieved, manual alignment is not needed, and welding quality is guaranteed. Of course, the spot welding jig 5 may be movable in the X-axis direction, not movable in the Y-axis direction, or movable in both the X-axis direction and the Y-axis direction.

The connecting rod 43 is inserted into a hole groove of the spot welder and connected with the spot welder.

The spot welding fixture provided by the invention is a fixture for carrying out accurate positioning welding on the relay assembly part, can be used for carrying out accurate positioning welding on any relay, and is mainly applied to the accurate welding of subminiature parts of the relay.

The present disclosure has been described in terms of the above-described embodiments, which are merely exemplary of the implementations of the present disclosure. It must be noted that the disclosed embodiments do not limit the scope of the disclosure. Rather, variations and modifications are possible within the spirit and scope of the disclosure, and these are all within the scope of the disclosure.

Claims

1. The utility model provides a small and medium power relay assembly part spot welding anchor clamps which characterized in that, this anchor clamps include:

the magnetic circuit part positioning block (1) is used for positioning the magnetic circuit part of the relay to be welded;

the contact part positioning block (2) is used for positioning the contact part of the relay to be welded;

the magnetic circuit part positioning block (1) and the contact part positioning block (2) are butted together.

2. The spot welding clamp for the small and medium power relay assembly part according to claim 1, characterized in that: the magnetic circuit part positioning block (1) comprises a first positioning block body (11), a pressing block (13) and a cover plate (14), wherein pressing block grooves (15) for mounting the pressing block (13) are formed in two outer side surfaces of the first positioning block body (11), and the length of the pressing block (13) is smaller than that of the pressing block grooves (15); the cover plate (14) is mounted at the end part of the first positioning block body (11), and the first positioning block body (11) and the cover plate (14) form a positioning cavity (12) in the first positioning block body (11).

3. The spot welding clamp for the small and medium power relay assembly part as claimed in claim 2, wherein: the contact part positioning block (2) comprises a second positioning block body (21), and a positioning groove (22) is formed in the second positioning block body (21); the end part of the second positioning block body (21) is provided with a boss (23) matched with the pressing block groove (15).

4. The spot welding clamp for the small and medium power relay assembly part as claimed in claim 2 or 3, wherein: the magnetic circuit part positioning block (1) further comprises an adjusting screw (16), and the adjusting screw (16) is mounted on the cover plate (14) and extends into the positioning cavity (12).

5. The spot welding clamp for the small and medium power relay assembly part according to claim 1, characterized in that: the contact part positioning block (2) comprises a second positioning block body (21), and a positioning groove (22) is formed in the second positioning block body (21).

6. A spot welding system for a small and medium power relay assembly part is characterized by comprising:

a spot welding jig (5) for positioning a magnetic circuit portion and a contact portion of a relay to be welded;

an upper electrode (3) for welding a magnetic circuit portion and a contact portion of a relay to be welded;

the spot welding jig (5) is the spot welding jig according to any one of claims 1 to 5.

7. The spot welding system for the small and medium power relay assembly parts as claimed in claim 6, wherein: the spot welding fixture further comprises a lower electrode assembly (4) for placing the spot welding fixture.

8. The spot welding system for the small and medium power relay assembly parts as claimed in claim 7, wherein: the lower electrode assembly (4) comprises a lower electrode positioning frame (41), a lower electrode (42) and a connecting rod (43), wherein the lower electrode positioning frame (41) is installed on the lower electrode (42), one end of the connecting rod (43) is installed on the lower electrode (42), and the other end of the connecting rod is suspended.

9. The spot welding system for the small and medium power relay assembly parts as claimed in claim 8, wherein: the lower electrode positioning frame (41) is mounted on the lower electrode (42) through welding or fastening screws (44).

10. The spot welding system for the assembly part of the medium and small power relay as claimed in claim 8 or 9, wherein: the size of the lower electrode positioning frame (41) is larger than that of the spot welding fixture (5).