CN214054039U - Spot welding fixing device - Google Patents
Spot welding fixing device Download PDFInfo
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- CN214054039U CN214054039U CN202023163148.7U CN202023163148U CN214054039U CN 214054039 U CN214054039 U CN 214054039U CN 202023163148 U CN202023163148 U CN 202023163148U CN 214054039 U CN214054039 U CN 214054039U
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- spot welding
- groove
- connecting bolt
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Abstract
The utility model discloses a spot welding fixing device, including coupling nut and connecting bolt, the fixed block is equipped with dodges the recess, during the equipment, earlier make connecting bolt pass fixed block and spot welding negative pole in proper order, when connecting bolt's afterbody got into dodges the recess, adorn coupling nut in dodging the recess, make connecting bolt and coupling nut locking cooperation, thereby make fixed block and spot welding negative pole utilize the locking force between connecting bolt and the coupling nut to realize linking firmly, coupling nut's texture is harder than red copper, coupling nut's wearability is higher relatively, life is longer relatively, consequently, can guarantee that fixed block and spot welding negative pole are reliably connected.
Description
Technical Field
The utility model relates to a micromotor technical field, in particular to spot welding fixing device.
Background
Spot welding has the advantages of high production efficiency, good welding quality, high mechanical strength and the like, and in the field of micromotors, enameled wires are fixed and a commutator is conducted by means of spot welding technology. In the spot welding process, for guaranteeing the spot welding quality, the spot welding negative pole has linked firmly the fixed block, and the fixed block is used for fixed spot welding negative pole and injects the position of spot welding negative pole simultaneously, guarantees with the anodal relative position of spot welding, still for the anodal support that provides of spot welding, guarantees that transmission voltage is stable effective. The fixed block is equipped with the thread groove, and the spot welding negative pole is equipped with dodges the hole, and connecting bolt directly passes in proper order dodges hole and thread groove, makes fixed block and spot welding negative pole realize linking firmly with the help of the locking force between connecting bolt and the thread groove.
However, the fixing block and the spot welding negative electrode are usually made of red copper, and although the red copper has good electric conduction and heat conduction performance, the red copper is weak in texture, and in the process of frequently dismounting the connecting bolt, the connecting bolt easily scratches a thread groove of the fixing block, so that the connection between the fixing block and the spot welding negative electrode is unreliable.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a spot welding fixing device is equipped with coupling nut in the fixed block, makes fixed block and spot welding negative pole utilize the locking force between coupling bolt and the coupling nut to realize linking firmly, and coupling nut's texture is harder, so connect more reliably.
The specific scheme is as follows:
the utility model provides a spot welding fixing device, include:
the connecting nut is used for being arranged in the avoiding groove arranged on the fixed block;
and the connecting bolt is used for being in locking fit with the connecting nut after penetrating through the fixed block and the spot welding negative electrode so as to fixedly connect the fixed block and the spot welding negative electrode.
Preferably, the side wall of the avoiding groove is provided with an extending matching groove which is used for matching with the tail part of the connecting bolt after the connecting bolt passes through the connecting nut so as to limit the radial swing of the connecting bolt.
Preferably, the avoiding groove is an open groove.
Preferably, the coupling nut is embodied as a hexagonal nut.
Preferably, the spot welding negative pole is equipped with the connection lug, and the fixed block is equipped with and is used for connecting lug matched with connecting groove.
Preferably, the connecting groove and the avoiding groove are arranged in parallel.
Preferably, the connecting projection is provided with an avoiding through hole for the connecting bolt to pass through.
Preferably, the spot welding negative electrode is provided with a positive mounting groove matched with the spot welding positive electrode.
Preferably, the welding device further comprises a limiting support for supporting the rotor assembly so that the spot welding negative electrode and the spot welding positive electrode respectively abut against the rotor assembly.
Preferably, the limit support is provided with a limit groove which is matched with the rotor assembly to limit the position of the rotor assembly.
For background art, the utility model provides a spot welding fixing device includes coupling nut and connecting bolt, the fixed block is equipped with dodges the recess, during the equipment, earlier make connecting bolt pass fixed block and spot welding negative pole in proper order, when connecting bolt's afterbody got into dodges the recess, adorn coupling nut in dodging the recess, make connecting bolt and coupling nut locking cooperation, thereby make fixed block and spot welding negative pole utilize the locking force between connecting bolt and the coupling nut to realize linking firmly, and coupling nut's texture is harder than red copper, coupling nut's wearability is higher relatively, service life is longer relatively, consequently, can guarantee that fixed block and spot welding negative pole are reliably connected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an assembly view of a spot welding fixture and a rotor assembly according to an embodiment of the present invention;
fig. 2 is a structural diagram of a spot welding fixture according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 2;
FIG. 4 is another partial cross-sectional view of FIG. 2;
FIG. 5 is a structural view of the fixing block of FIG. 2;
fig. 6 is a structural view of the spot-welded negative electrode in fig. 2.
The reference numbers are as follows:
the device comprises a fixed block 1, a spot welding cathode 2, a spot welding anode 3, a connecting nut 4, a connecting bolt 5, a limiting support 6 and a rotor assembly 7;
an avoidance groove 11 and a connection groove 12;
a connection bump 21;
a limiting groove 61.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, fig. 1 is an assembly view of a spot welding fixture and a rotor assembly according to an embodiment of the present invention; fig. 2 is a structural diagram of a spot welding fixture according to an embodiment of the present invention; FIG. 3 is a partial cross-sectional view of FIG. 2; FIG. 4 is another partial cross-sectional view of FIG. 2; FIG. 5 is a structural view of the fixing block of FIG. 2; fig. 6 is a structural view of the spot-welded negative electrode in fig. 2.
The embodiment of the utility model discloses spot welding fixing device, its key improvement point lies in optimizing connecting bolt 5's locking mode, makes fixed block 1 and spot welding negative pole 2 reliably be connected.
The utility model discloses a coupling nut 4 and connecting bolt 5, coupling nut 4 adorns in the recess 11 of dodging that fixed block 1 established. The avoiding groove 11 is an open groove, and three side surfaces of the avoiding groove are open, so that a space for screwing the connecting nut 4 by a wrench in the assembling process is ensured. The coupling nut 4 is specifically a hexagonal nut, but is not limited thereto.
During the equipment, earlier make connecting bolt 5 pass fixed block 1 and spot welding negative pole 2 in proper order, when connecting bolt 5's afterbody got into dodge recess 11, adorn coupling nut 4 in dodging recess 11, make connecting bolt 5 and coupling nut 4 lock fit, thereby make fixed block 1 and spot welding negative pole 2 utilize the locking force between connecting bolt 5 and the coupling nut 4 to realize linking firmly, and coupling nut 4's texture is harder than red copper, coupling nut 4's wearability is higher relatively, life is longer relatively, consequently, can guarantee fixed block 1 and spot welding negative pole 2 and reliably be connected.
In order to further ensure that the fixed block 1 is reliably connected with the spot welding cathode 2, the side wall of the avoiding groove 11 is provided with an extending matching groove, after the tail part of the connecting bolt 5 passes through the connecting nut 4, the tail part of the connecting bolt 5 is inserted into the extending matching groove, the connecting bolt 5 is coaxially matched with the extending matching groove, and the extending matching groove limits the radial swing of the connecting bolt 5. Specifically, the extension fitting groove is a cylindrical groove having an inner diameter identical to the outer diameter of the connecting bolt 5. The depth of the extended fitting groove is determined by the length of the connecting bolt 5, and is not particularly limited herein.
The spot welding negative pole 2 is equipped with connecting convex block 21, and fixed block 1 is equipped with connecting groove 12, and connecting convex block 21 cooperatees with connecting groove 12, and during the equipment, connecting bolt 5 passes connecting groove 12 and connecting convex block 21, makes fixed block 1 and the preliminary realization of spot welding negative pole 2 be connected. Correspondingly, the connection lug 21 is provided with an escape through hole through which the connection bolt 5 passes. Specifically, the avoidance through hole is a circular through hole having an inner diameter identical to the outer diameter of the connecting bolt 5.
The connection projection 21 is specifically a rectangular block integrally connected to the spot welding negative electrode 2. The connecting groove 12 is specifically an open-type groove, so that the spot welding negative electrode 2 can swing relative to the fixed block 1 when the connecting bolt 5 is loosened.
The connecting groove 12 and the avoiding groove 11 are arranged in parallel, and the connecting bolt 5 is ensured to coaxially penetrate through the fixed block 1 and the connecting nut 4.
The spot welding negative pole 2 is equipped with anodal mounting groove, and spot welding positive pole 3 is adorned in anodal mounting groove. The positive mounting groove may be an open groove.
The utility model discloses still include limit support 6, limit support 6 locates rotor subassembly 7 bottom for support rotor subassembly 7, guarantee that spot welding in-process spot welding negative pole 2 offsets with rotor subassembly 7 respectively with spot welding positive pole 3. The specific structure of the rotor assembly 7 can be referred to in the prior art.
The limiting support 6 is provided with a limiting groove 61, and the rotor assembly 7 is arranged in the limiting groove 61 and used for limiting the position of the rotor assembly 7. The limiting groove 61 is specifically an arc-shaped groove.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A spot welding fixture, comprising:
the connecting nut (4) is used for being arranged in an avoiding groove (11) arranged on the fixed block (1);
and the connecting bolt (5) is used for being in locking fit with the connecting nut (4) after penetrating through the fixed block (1) and the spot welding negative electrode (2) so as to enable the fixed block (1) and the spot welding negative electrode (2) to be fixedly connected.
2. The spot welding fixture according to claim 1, wherein the side wall of the escape groove (11) is provided with an extended fitting groove for fitting with the tail of the connecting bolt (5) after the connecting bolt (5) passes through the connecting nut (4) to limit radial swing of the connecting bolt (5).
3. Spot welding fixture according to claim 1, wherein said relief groove (11) is an open groove.
4. Spot welding fixture according to claim 3, characterised in that the connection nut (4) is embodied as a hexagonal nut.
5. Spot welding fixture according to any one of claims 1-4, characterised in that the spot welding negative electrode (2) is provided with a connection lug (21) and the fixture block (1) is provided with a connection recess (12) for cooperation with the connection lug (21).
6. Spot welding fixture according to claim 5, characterized in that said connecting groove (12) is arranged parallel to said relief groove (11).
7. Spot welding fixture according to claim 5, characterised in that the connection lug (21) is provided with an escape through hole for the connection bolt (5) to pass through.
8. Spot welding fixture according to any of claims 1-4, characterized in that the spot welding negative electrode (2) is provided with a positive mounting groove for cooperation with a spot welding positive electrode (3).
9. The spot welding fixture according to claim 8, further comprising a limit seat (6) to support a rotor assembly (7) so that the spot welding negative electrode (2) and the spot welding positive electrode (3) are respectively abutted against the rotor assembly (7).
10. Spot welding fixture according to claim 9, wherein the limit abutment (6) is provided with a limit recess (61) cooperating with the rotor assembly (7) to define the position of the rotor assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163148.7U CN214054039U (en) | 2020-12-23 | 2020-12-23 | Spot welding fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163148.7U CN214054039U (en) | 2020-12-23 | 2020-12-23 | Spot welding fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214054039U true CN214054039U (en) | 2021-08-27 |
Family
ID=77386983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023163148.7U Active CN214054039U (en) | 2020-12-23 | 2020-12-23 | Spot welding fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214054039U (en) |
-
2020
- 2020-12-23 CN CN202023163148.7U patent/CN214054039U/en active Active
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