CN211192696U

CN211192696U - Relay spot welding fixture

Info

Publication number: CN211192696U
Application number: CN201922275044.6U
Authority: CN
Inventors: 国联坤
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: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-07
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a relay spot welding anchor clamps, this spot welding anchor clamps include base (1), welding piece fixed block (2), preforming A (3), preforming roof pressure subassembly A (4), movable contact spring fixed block (5), preforming B (6) and preforming roof pressure subassembly B (7). The utility model provides an anchor clamps utilize fixed block, bullet preforming combination to treat welded welding piece and movable contact spring and fix, make and treat welded welding piece and movable contact spring and can't remove in welding process, guaranteed that spot welding position is accurate.

Description

Relay spot welding fixture

Technical Field

The utility model relates to a relay spot welding anchor clamps.

Background

Along with the rapid development of national war industry science and technology, military relays have higher requirements on the service life of relays, for relays, the most critical part influencing the service life of relays is the contact reliability of a product contact system, the contact position of a contact and a movable reed has obvious influence, the service life of the contact of the movable reed and the contact at the center is 10 times different from the service life of the contact and the movable reed at the edge, so how to ensure that the contact of the movable reed and the contact center is an important factor for ensuring the product service life maximization, the critical part influencing the contact of the movable reed and the contact center is the movable reed part, the movable reed part welds the movable reed and a welding sheet together in a spot welding mode, and whether the welding position of the movable reed and the welding sheet accurately and directly influences the contact position of the movable reed and the contact. In order to ensure the welding position precision of the movable spring and the welding piece, a pair of positioning fixtures needs to be designed to accurately position the movable spring and the welding piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guarantee that movable contact spring and welding piece are fixed at the spot welding in-process, do not remove at the spot welding in-process, guarantee the accurate relay spot welding anchor clamps in spot welding position.

For realizing the utility model discloses a purpose, the relay spot welding anchor clamps that provide here include base, welding piece fixed block, bullet preforming A, bullet preforming roof pressure subassembly A, movable contact spring fixed block, bullet preforming B and bullet preforming roof pressure subassembly B.

Further, the utility model provides an anchor clamps still includes X axle adjusting screw, Y axle adjusting screw.

Further, the utility model provides an anchor clamps still includes the lower mould, the lower mould is including being used for the installation locating frame, bottom plate and the connecting rod of base.

Furthermore, the lower die further comprises an adjusting screw, so that the position of the Y-axis in the positive and negative directions is adjusted, and the positioning accuracy is further ensured.

The beneficial effects of the utility model include:

1. the utility model provides an anchor clamps utilize fixed block, bullet preforming combination to treat welded welding piece and movable contact spring and fix, make and treat welded welding piece and movable contact spring and can't remove in welding process, guaranteed that spot welding position is accurate.

2. Position control has been realized through X, Y axle adjusting screw, when the part has the tolerance, can freely adjust, has solved because of the part has the tolerance and leads to the problem that the spot welding position can't be accurate counterpointed

3. The base is fixed through the lower die, so that the fixture can be fixed without manual support.

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 schematic structural view of a positioning fixture in a spot welding fixture provided by the present invention;

fig. 2 is a schematic structural view of a lower die in the spot welding fixture provided by the present invention;

fig. 3 is a general assembly structure diagram of the spot welding fixture provided by the present invention;

fig. 4 is a schematic structural view of the spot welding fixture provided by the present invention after the welding sheet and the movable spring are assembled;

fig. 5 is a schematic view of the spot welding fixture provided by the present invention after welding;

in the drawings: 1-base, 2-welding piece fixing block, 3-spring piece A, 4-spring piece jacking component A, 5-movable spring piece fixing block, 6-spring piece B, 7-spring piece jacking component B, 8-X axis adjusting screw, 9-Y axis adjusting screw, 10-positioning frame, 11-bottom plate, 12-connecting rod, 13-adjusting screw, 14-electrode, 15-welding piece to be welded, 16-movable spring piece to be welded, 41-welding piece picking and placing screw, 42-spring A, 71-movable spring piece picking and placing screw and 72-spring B.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the embodiments 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. In the drawings, the size of some of the elements may be exaggerated or distorted for clarity. The same reference numerals denote the same or similar structures in the drawings, and thus detailed descriptions thereof will be omitted.

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 give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, etc. In other instances, well-known structures, methods, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Fig. 1-3 show schematic structural diagrams of a relay spot welding fixture provided by the present invention, and the structure thereof is described in detail in the following embodiments.

Example one

The spot welding fixture for the relay provided by the embodiment comprises a positioning fixture, wherein the positioning fixture comprises a base 1, a welding sheet fixing block 2 and an elastic sheet A3, which are used for fixing a welding sheet 15 to be welded, an elastic sheet jacking assembly A4, a movable reed fixing block 5 and an elastic sheet B6, which are used for fixing a movable reed 16 to be welded, and an elastic sheet jacking assembly B7; the positional relationship and the connection relationship between the respective members are shown in fig. 1.

Example two

The relay spot welding fixture provided by the embodiment includes all the technical features of the relay spot welding fixture provided by the first embodiment, and further includes an X-axis adjusting screw 8 for X-axis position adjustment, or a Y-axis adjusting screw 9 for Y-axis position adjustment, or an X-axis adjusting screw 8 for X-axis position adjustment and a Y-axis adjusting screw 9 for Y-axis position adjustment, for convenience of position adjustment.

The X-axis adjusting screw 8 and the Y-axis adjusting screw 9 can be used for adjusting the movable reed fixing block 5 or the welding sheet fixing block 2; the connection relationship and the positional relationship are shown in fig. 1.

EXAMPLE III

The relay spot welding fixture provided by the embodiment includes all technical features of the relay spot welding fixture provided by the first embodiment and the second embodiment, and further includes a lower die, the lower die includes a positioning frame 10 for mounting the base 1, a bottom plate 11 for supporting the positioning frame 10, and a connecting rod 12, and the position connection relationship of the positioning frame 10, the bottom plate 11, and the connecting rod 12 is as shown in fig. 2.

Example four

The relay spot welding fixture provided by the embodiment includes all the technical features of the relay spot welding fixture provided by the third embodiment, and the lower die further includes an adjusting screw 13, and the adjusting screw 13 may be used for adjusting in the X-axis direction or in the Y-axis direction.

The whole movement of the positioning clamp is realized through the adjusting screw 13, and the positioning accuracy is better ensured.

EXAMPLE five

The relay spot welding fixture provided by the embodiment includes all the technical features of the relay spot welding fixtures provided by the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, and further includes a welding electrode 14.

The presser bar pressing member a4 described in the first, second, third, fourth, and fifth embodiments includes the solder piece pick-and-place screw 41 and the spring a42, but may have other structures.

The presser bar pressing member B7 described in the first, second, third, fourth, and fifth embodiments includes the movable spring taking and placing screw 71 and the spring B72, but may have other structures.

The working principle of the relay spot welding fixture provided in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment of the present application is described by taking the fact that the pressing piece pressing component a4 includes the welding piece taking and placing screw 41 and the spring a42, and the pressing piece pressing component B7 includes the movable reed taking and placing screw 71 and the spring B72, and the specific working principle is as follows:

pressing a welding sheet taking and placing screw 41 by a hand, wherein the welding sheet taking and placing screw 41 acts on an elastic pressing sheet A3 to press open the elastic pressing sheet A3 and place a welding sheet 15 to be welded, the hand-loosening welding sheet taking and placing screw 41 rebounds under the action of a spring A42, and the elastic pressing sheet A3 rebounds to press the welding sheet 15 to be welded; pressing the movable reed taking and placing screw 71 by hand, wherein the movable reed taking and placing screw 71 acts on the elastic sheet B6 to press the elastic sheet B6 open, placing a welding sheet, the released movable reed taking and placing screw 71 rebounds under the action of the spring B72, and the elastic sheet B6 rebounds to press the movable reed 16 to be welded, as shown in FIG. 4; and finally, performing spot welding by using the electrode 14, pressing down the welding sheet taking and placing screw 41 and the movable spring taking and placing screw 71 simultaneously after welding is finished, taking out the welded movable spring part, finishing one-time spot welding, and forming a welded product by welding as shown in fig. 5.

When the welding sheet 15 to be welded and the movable contact spring 16 to be welded are positioned inaccurately, the X-axis adjusting screw 8 is adjusted to enable the movable contact spring 16 to be welded to meet the design requirement with the position of the movable contact spring 16 to be welded in the X-axis direction; adjusting the Y adjusting screw 9 to enable the position of the movable reed 16 to be welded and the position of the movable reed 16 to be welded in the Y-axis direction to meet the design requirement; and finally, performing spot welding by using the electrode 14, pressing down the welding sheet taking and placing screw 41 and the movable spring taking and placing screw 71 simultaneously after welding is finished, taking out the welded movable spring part, finishing one-time spot welding, and forming a welded product by welding as shown in fig. 5.

By using the relay spot welding fixture provided by the fourth embodiment, the relative position between the whole electrode positioning fixture and the electrode 14 is adjusted through the adjusting screw 13, so that the electrode 14 is welded in the center of the movable contact spring 16 to be welded; and finally, performing spot welding by using the electrode 14, pressing down the welding sheet taking and placing screw 41 and the movable spring taking and placing screw 71 simultaneously after welding is finished, taking out the welded movable spring part, finishing one-time spot welding, and forming a welded product by welding as shown in fig. 5.

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 relay spot welding anchor clamps which characterized in that: the spot welding fixture comprises a base (1), a welding piece fixing block (2), an elastic pressing piece A (3), an elastic pressing piece jacking assembly A (4), a movable spring piece fixing block (5), an elastic pressing piece B (6) and an elastic pressing piece jacking assembly B (7).

2. The relay spot welding jig according to claim 1, characterized in that: also comprises an X-axis adjusting screw (8).

3. The relay spot welding jig according to claim 1 or 2, characterized in that: also comprises a Y-axis adjusting screw (9).

4. The relay spot welding jig according to claim 1 or 2, characterized in that: the die further comprises a lower die, wherein the lower die comprises a positioning frame (10) used for mounting the base (1), a bottom plate (11) and a connecting rod (12).

5. The relay spot welding jig according to claim 4, characterized in that: the lower die further comprises an adjusting screw (13).

6. The relay spot welding jig according to claim 1 or 2, characterized in that: also included is a welding electrode (14).

7. The relay spot welding jig according to claim 1 or 2, characterized in that: the pressing piece jacking assembly A (4) comprises a welding piece taking and placing screw (41) and a spring A (42).

8. The relay spot welding jig according to claim 1 or 2, characterized in that: the pressing piece jacking component B (7) comprises a movable reed taking and placing screw (71) and a spring B (72).