CN214641386U - Armature spot welding electrode and armature spot welding device - Google Patents
Armature spot welding electrode and armature spot welding device Download PDFInfo
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- CN214641386U CN214641386U CN202120554110.8U CN202120554110U CN214641386U CN 214641386 U CN214641386 U CN 214641386U CN 202120554110 U CN202120554110 U CN 202120554110U CN 214641386 U CN214641386 U CN 214641386U
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Abstract
The utility model relates to an armature spot welding electrode and armature spot welding device. The armature spot welding electrode is in a strip shape. The outer surface of the armature spot welding electrode includes at least one flat surface. The flat surface extends in the lengthwise direction of the armature spot welding electrode. The end of one end of the armature spot welding electrode is formed with a spot welding groove. The extending direction of the spot welding groove is crossed with the extending direction of the armature electric welding electrode. Because the outer surface of the armature electrode comprises at least one plane which can play a role in limiting rotation, the rotation of the armature spot welding electrode can be avoided in the spot welding process, the probability of welding deviation and the like in the spot welding process is greatly reduced, and the improvement of the armature processing quality is facilitated.
Description
Technical Field
The utility model relates to a commutator motor makes technical field, especially relates to an armature spot welding electrode and armature spot welding device.
Background
The armature serves as a key and pivotal core component in a commutator motor, and is used for mutual conversion between mechanical energy and electrical energy. In the process of manufacturing the commutator motor, the most important process is to weld the connection end of the armature winding and the commutator by using a spot welding process to realize the electrical connection between the connection end and the commutator.
However, in the conventional spot welding process, welding is easy to be deviated, and the welding angle cannot be ensured, so that the processing quality of the armature is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an armature spot welding electrode and an armature spot welding device capable of improving the armature processing quality, in order to solve the problem of low armature processing quality in the conventional art.
An armature spot welding electrode is in a strip shape; the outer surface of the armature spot welding electrode comprises at least one flat surface; the plane extends along the lengthwise direction of the armature spot welding electrode; a spot welding groove is formed at the end part of one end of the armature spot welding electrode; the extending direction of the spot welding groove is crossed with the extending direction of the armature electric welding electrode.
In some of these embodiments, the spot-weld groove is a circular arc-shaped groove.
In some of these embodiments, the direction of extension of the spot weld groove is perpendicular to the direction of extension of the armature spot weld electrode.
In some of these embodiments, the armature spot welding electrodes are rectangular in cross-sectional shape; the extending direction of the projection of the spot welding groove on the cross section of the armature spot welding electrode is parallel to two straight sides of the cross section of the armature spot welding electrode.
In some of these embodiments, the armature spot welding electrode has one end of the spot welding groove formed with two opposing chamfered structures; the extension direction of the chamfer structure is perpendicular to the lengthwise direction of the armature spot welding electrode.
An armature spot welding device comprises an electrode clamp and the armature spot welding electrode;
the electrode clamp comprises a first clamp body and a second clamp body; the first clamp body is provided with an installation end and a clamping end which are opposite; the mounting end is used for being connected with spot welding equipment; the second clamp body is detachably arranged at the clamping end, and a clamping part is formed between the second clamp body and the first clamp body;
and one end of the armature spot welding electrode, which deviates from the spot welding groove, is matched with the clamping part for installation.
In some embodiments, the first clamp body is provided with a first clamping groove extending along the longitudinal direction of the first clamp body; a second clamping groove is formed in the side face of the second clamp body; when the second clamp body is arranged at the clamping end, the clamping part is formed between the inner wall of the first clamping groove and the inner wall of the second clamping groove.
In some embodiments, the first clamp body comprises a mounting rod, a limiting plate and a clamping block; one end of the mounting rod is connected with the limiting plate; the clamping block is connected with one side of the limiting plate, which is far away from the mounting rod; the projection of the mounting rod on the surface of the limiting plate and the projection of the clamping block on the surface of the limiting plate are both positioned in the surface of the limiting plate; one end of the mounting rod, which is far away from the limiting plate, is a mounting end; the clamping block is positioned at the clamping end of the first clamp body.
In some embodiments, the clamping end is provided with a connecting hole; the second clamp body is provided with a mounting hole at a position corresponding to the connecting hole; the electrode clamp further comprises a connector; the connecting piece is arranged in the mounting hole in a penetrating mode and is detachably connected with the connecting hole.
When the armature spot welding electrode and the armature spot welding device are used, the armature spot welding device is installed on spot welding equipment, after the spot welding equipment is started, the armature is rotated, so that any connecting end part of the armature winding is clamped in a spot welding groove, and then the armature electrode is electrified to perform spot welding on the connecting part between the connecting end part of the armature winding and the commutator. Because the outer surface of the armature electrode comprises at least one plane, and one end of the armature spot welding electrode is matched with the clamping part, the plane can play a role in limiting rotation, so that the condition of rotation of the armature spot welding electrode can be avoided in the spot welding process, the probability of welding deviation and the like in the spot welding process is greatly reduced, and the improvement of the armature processing quality is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an armature spot welding device according to an embodiment of the present invention;
FIG. 2 is a front view of the armature spot welding apparatus shown in FIG. 1;
FIG. 3 is a schematic view of an armature spot welding electrode of the armature spot welding apparatus of FIG. 1;
FIG. 4 is a schematic structural view of a first clamp body of the armature spot welding apparatus shown in FIG. 1;
FIG. 5 is a front view of the first clamp body shown in FIG. 4;
fig. 6 is a schematic structural view of a second clamp body in the armature spot welding apparatus shown in fig. 1.
Description of reference numerals: 100. an armature spot welding device; 110. armature spot welding electrodes; 111. a plane; 112. spot welding a groove; 113. a chamfering structure; 120. an electrode holder; 121. a first clamp body; 1211. an installation end; 1212. a clamping end; 1213. a first card slot; 1214. mounting a rod; 1215. a limiting plate; 1216. installing a clamping block; 1217. connecting holes; 122. a second clamp body; 1221. a second card slot; 1222. mounting holes; 123. a clamping part; 124. a connecting member.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present, unless otherwise specified. It will also be understood that when an element is referred to as being "between" two elements, it can be the only one between the two elements, or one or more intervening elements may also be present.
Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," etc. Unless mentioned to the contrary, terms in the singular may include the plural and are not to be construed as being one in number.
Furthermore, the drawings are not 1: 1, and the relative dimensions of the various elements in the figures are drawn for illustration only and not necessarily to true scale.
As described in the background, an armature includes an armature core and an armature winding wound on the core, the armature winding and the rotor winding having a plurality of connection ends. The connection end part is a part of the armature winding extending out of the armature core and is used for realizing the electric connection between the armature winding and the commutator. And the electrical connection between the connection end and the commutator is generally accomplished by means of a spot welding process. However, in the prior art, welding deviation is easy to occur during spot welding, which greatly affects the spot welding quality and causes the armature to have lower processing quality. Therefore, the applicant provides an armature spot welding electrode and an armature spot welding device to solve the problem of low spot welding quality in the armature spot welding process.
Fig. 1 shows a schematic structural diagram of an armature spot welding device according to an embodiment of the present invention. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.
The utility model provides an armature spot welding device 100 for install on spot welding equipment, and with spot welding equipment cooperation, with the junction to between armature winding's link end and the commutator spot welding processing.
Referring to fig. 1 and 2, the armature spot welding apparatus 100 includes an armature spot welding electrode 110 and an electrode holder 120. In which the armature spot welding electrode 110 is mounted on an electrode holder 120, and the electrode holder 120 is mounted on a spot welding apparatus. When the spot welding device is used, after the spot welding device is started, the spot welding device provides welding electric energy for the armature spot welding electrode 110 so as to realize a spot welding function.
Referring also to fig. 3, the armature spot welding electrode 110 is in the shape of a strip. Thereby, the armature spot welding electrode 110 has a columnar shape. The outer surface of the armature spot welding electrode 110 includes at least one flat surface 111. The flat surface 111 extends in the longitudinal direction of the armature spot welding electrode 110. Therefore, the side of the armature welding electrode may include one flat surface 111, or may include a plurality of flat surfaces 111. The end of one end of the armature spot welding electrode 110 is formed with a spot welding groove 112. The spot weld grooves 112 may be polygonal grooves, V-shaped grooves, arcuate grooves, or the like. The extending direction of the spot welding groove 112 is arranged to intersect the extending direction of the armature spot welding electrode.
The extending direction of the spot welding groove 112 may intersect the extending direction of the armature spot welding electrode 110, the extending direction of the tack welding groove 112 may intersect the extending direction of the armature spot welding electrode 110, or the extending direction of the spot welding groove 112 may be perpendicular to the extending direction of the armature spot welding electrode.
Referring to fig. 1 again, the electrode holder 120 includes a first holder body 121 and a second holder body 122. The first fixture body 121 has an installation end 1211 and a clamping end 1212 opposite to each other. Mounting end 1211 is for connection to a spot welding apparatus. The second clamp body 122 is detachably mounted on the clamping end 1212, and a clamping portion 123 is formed between the second clamp body and the first clamp body 121. The end of the armature spot welding electrode 110 away from the spot welding groove 112 is fittingly mounted to the mounting portion 123. The clamping portion 123 may be a gap, a groove, or the like between the second clamp body 122 and the first clamp body 121.
When the armature needs to be spot-welded, the armature spot welding device 100 is installed on a spot welding apparatus, the armature is rotated so that any one connection end portion of the armature winding is caught in the spot welding groove 112, and the armature spot welding electrode 110 is energized by the spot welding apparatus so that the connection portion between the connection end portion of the armature winding and the commutator is spot-welded. Because the side of the armature spot welding electrode 110 comprises at least one plane 111, the plane 111 can play a role in limiting rotation, the armature spot welding electrode 110 installed in cooperation with the clamping part 123 is not easy to rotate in the spot welding process, the probability of welding deviation and other conditions in the spot welding process is greatly reduced, the spot welding quality in the armature processing process is improved, and the improvement of the armature processing quality is facilitated.
Referring again to fig. 3, in some embodiments, the spot welding groove 112 is a circular arc groove. In practical production application, the connecting end part of the armature winding is usually a circular metal wire head, and the spot welding groove 112 is arranged to be a circular arc-shaped groove, so that the contact area between the connecting end part of the armature winding and the spot welding groove 112 in the spot welding process can be increased, the contact between the connecting end part of the armature winding and the spot welding groove 112 in the spot welding process is more stable, the spot welding quality is further improved, and the armature processing quality is further improved.
In some embodiments, the extending direction of the spot welding slots 112 is perpendicular to the extending direction of the armature spot welding electrodes 110. When the connecting end part of the armature winding is clamped in the spot welding groove 112, the connecting end part of the armature winding is effectively clamped in the spot welding groove 112 for a longer length, so that the stability of the connecting end part in the spot welding groove 112 in the spot welding process is facilitated, and the spot welding quality is further improved.
In some embodiments, the armature spot welding electrodes 110 are rectangular in cross-sectional shape. Thus, the armature spot welding electrode 110 has a rectangular column-shaped structure, and the outer surface thereof includes four planes 111 connected in sequence. The spot weld groove 112 extends in a direction parallel to one of the planes 111 of the armature spot welding electrodes 110. Therefore, the side surface of the armature spot welding electrode 110 has four corners, and the probability of the armature spot welding electrode 110 rotating during spot welding processing can be further reduced. In addition, compared with the armature spot welding electrode 110 with other shapes, the armature spot welding electrode 110 is only required to be simply machined on a cylindrical electrode material, so that the armature spot welding electrode 110 is arranged into a rectangular columnar structure, the spot welding quality in armature machining is further improved, and meanwhile the advantage of simple machining of the armature spot welding electrode 110 is also achieved.
In some embodiments, one end of the armature spot welding electrode 110 having the spot welding groove 112 is formed with two opposing chamfered structures 113. The extension direction of the chamfered structure 113 coincides with the extension direction of the spot welding groove 112. Therefore, the open-ended border part of spot welding groove 112 comprises two edges that are rectangular shape, and chamfer structure 113 can attenuate the thickness of edge structure to when making the tip be located spot welding groove 112, two edges of spot welding groove 112 can stretch into the clearance of this tip both sides respectively, so that the degree of depth that makes the tip screens in spot welding groove 112 is darker, further improves the stability of tip in spot welding groove 112 in the spot welding course of working.
Referring to fig. 4 to 6, in some embodiments, the first fixture body 121 is formed with a first engaging groove 1213 extending along a longitudinal direction thereof. A second engaging groove 1221 is formed on a side surface of the second clamp body 122. When the second clamp body 122 is mounted on the clamping end 1212, a clamping portion 123 is formed between an inner wall of the first slot 1213 and an inner wall of the second slot 1221.
When the armature spot welding electrode 110 is installed in the clamping portion 123 in a matched manner, the probability that the armature spot welding electrode 110 slides can be avoided by the clamping portion 123 formed by the first clamping groove 1213 and the second clamping groove 1221, so that the spot welding quality is further ensured, and the processing quality of the armature is higher.
Referring again to fig. 4, in some embodiments, the first clamp body 121 includes a mounting bar 1214, a retainer plate 1215, and a clamp block 1216. One end of the mounting rod 1214 is connected to the stopper plate 1215. A retainer block 1216 is attached to the side of the retainer plate 1215 facing away from the mounting bar 1214. The projection of the mounting bar 1214 onto the surface of the retainer plate 1215 and the projection of the clamping block 1216 onto the surface of the retainer plate 1215 are both located within the surface of the retainer plate 1215. The end of mounting stem 1214 distal from the stopper plate 1215 is mounting end 1211. The clamping block 1216 is located at the clamping end 1212 of the first clamp body 121.
Thereby, the first chuck body 121 is long-striped. When the armature spot welding device 100 is installed on the spot welding apparatus, the limiting plate 1215 limits the installation position of the first clamp body 121 on the spot welding apparatus, so that the installation accuracy of the armature spot welding electrode 110 is high, and the installation on the spot welding apparatus is more convenient.
Referring to fig. 2, 5 and 6 again, in some embodiments, the mounting end 1212 has a connecting hole 1217. The second clamp body 122 is provided with a mounting hole 1222 at a position corresponding to the connection hole 1217. The electrode holder 120 further includes a connector 124. The connecting member 124 is inserted into the mounting hole 1222 and detachably connected to the connecting hole 1217. Specifically, the connecting member 124 may be a bolt, a screw, a pin, or other connecting structure. Thereby, the connecting member 124 can achieve the connection between the first clamp body 121 and the second clamp body 122 and ensure that the armature spot welding electrode 110 can be stably clamped in the clamping portion 123.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The armature spot welding electrode is characterized in that the armature spot welding electrode is in a strip shape; the outer surface of the armature spot welding electrode comprises at least one flat surface; the plane extends along the lengthwise direction of the armature spot welding electrode; a spot welding groove is formed at the end part of one end of the armature spot welding electrode; the extending direction of the spot welding groove is crossed with the extending direction of the armature spot welding electrode.
2. The armature spot welding electrode according to claim 1 wherein the spot welding groove is a circular arc shaped groove.
3. The armature spot welding electrode according to claim 1, wherein an extending direction of the spot welding groove is perpendicular to an extending direction of the armature spot welding electrode.
4. The armature spot welding electrode according to claim 1, wherein a cross-sectional shape of the armature spot welding electrode is rectangular; the extending direction of the projection of the spot welding groove on the cross section of the armature spot welding electrode is parallel to two straight sides of the cross section of the armature spot welding electrode.
5. The armature spot welding electrode according to claim 1, wherein one end of the armature spot welding electrode having the spot welding groove is formed with two opposing chamfered structures; the extension direction of the chamfer structure is perpendicular to the lengthwise direction of the armature spot welding electrode.
6. An armature spot welding apparatus comprising an electrode holder and an armature spot welding electrode according to any one of claims 1 to 5;
the electrode clamp comprises a first clamp body and a second clamp body; the first clamp body is provided with an installation end and a clamping end which are opposite; the mounting end is used for being connected with spot welding equipment; the second clamp body is detachably arranged at the clamping end, and a clamping part is formed between the second clamp body and the first clamp body;
and one end of the armature spot welding electrode, which deviates from the spot welding groove, is matched with the clamping part for installation.
7. The armature spot welding device according to claim 6, wherein the first fixture body is provided with a first clamping groove extending along a longitudinal direction of the first fixture body; a second clamping groove is formed in the side face of the second clamp body; when the second clamp body is arranged at the clamping end, the clamping part is formed between the inner wall of the first clamping groove and the inner wall of the second clamping groove.
8. The armature spot welding device according to claim 6, wherein the first clamp body comprises a mounting rod, a limiting plate and a clamping block; one end of the mounting rod is connected with the limiting plate; the clamping block is connected with one side of the limiting plate, which is far away from the mounting rod; the projection of the mounting rod on the surface of the limiting plate and the projection of the clamping block on the surface of the limiting plate are both positioned in the surface of the limiting plate; one end of the mounting rod, which is far away from the limiting plate, is a mounting end; the clamping block is positioned at the clamping end of the first clamp body.
9. The armature spot welding device according to claim 6, wherein the clamping end is provided with a connecting hole; the second clamp body is provided with a mounting hole at a position corresponding to the connecting hole; the electrode clamp further comprises a connector; the connecting piece is arranged in the mounting hole in a penetrating mode and is detachably connected with the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554110.8U CN214641386U (en) | 2021-03-17 | 2021-03-17 | Armature spot welding electrode and armature spot welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120554110.8U CN214641386U (en) | 2021-03-17 | 2021-03-17 | Armature spot welding electrode and armature spot welding device |
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| Publication Number | Publication Date |
|---|---|
| CN214641386U true CN214641386U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120554110.8U Active CN214641386U (en) | 2021-03-17 | 2021-03-17 | Armature spot welding electrode and armature spot welding device |
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| CN (1) | CN214641386U (en) |
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2021
- 2021-03-17 CN CN202120554110.8U patent/CN214641386U/en active Active
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