CN217432827U - Point riveting tool for motor stator - Google Patents
Point riveting tool for motor stator Download PDFInfo
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- CN217432827U CN217432827U CN202221148320.8U CN202221148320U CN217432827U CN 217432827 U CN217432827 U CN 217432827U CN 202221148320 U CN202221148320 U CN 202221148320U CN 217432827 U CN217432827 U CN 217432827U
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Abstract
The utility model discloses a motor stator's point riveting frock, include: a lower template; one end of the guide post is fixed with the lower template; the positioning seat is fixed with the lower template, an annular part is arranged on the end face, away from the lower template, of the positioning seat, a containing cavity used for containing at least one part of the stator is formed between the annular part and the positioning seat, and a notch is formed in the annular part; the positioning shoulder is used for positioning the stator, one part of the positioning shoulder is matched with the notch, and the other part of the positioning shoulder is positioned in the accommodating cavity; the upper die assembly is sleeved on the guide pillar in a hollow mode and is in sliding fit with the guide pillar; the fixing component is fixedly connected with the upper die component; and one ends of the riveting heads are distributed along the same circumference and are fixed with the fixing component, and the other ends of the riveting heads are opposite to the accommodating cavity. The utility model provides a part location, prevent that the stop rivets the problem that the quality differs.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to electric motor stator's point riveting tools.
Background
At present, a plurality of parts are riveted through a point riveting process, the traditional point riveting mode at home and abroad is manual positioning single-point riveting, when the parts require multipoint riveting, the traditional point riveting mode is adopted, the multipoint riveting can be completed through clamping and assembling for many times, the operation is complex, the production efficiency is low, and the product quality is different due to the fact that the multipoint riveting is carried out for many times.
Disclosure of Invention
The utility model provides a motor stator's point riveting frock has solved the part location, prevents that the dead point rivets the problem that the quality differs.
The specific technical scheme is as follows:
motor stator's point riveting tools includes:
a lower template;
one end of the guide post is fixed with the lower template;
the positioning seat is fixed with the lower template, an annular part is arranged on the end face, away from the lower template, of the positioning seat, a containing cavity used for containing at least one part of the stator is formed between the annular part and the positioning seat, and a notch is formed in the annular part;
the positioning shoulder is used for positioning the stator, one part of the positioning shoulder is matched with the notch, and the other part of the positioning shoulder is positioned in the accommodating cavity;
the upper die assembly is sleeved on the guide pillar in a hollow mode and is in sliding fit with the guide pillar;
the fixing component is fixedly connected with the upper die component;
the rivet comprises a plurality of rivets, one ends of the rivets are distributed along the same circumference and are fixed with the fixing component, and the other ends of the rivets are opposite to the accommodating cavity.
The stator point riveting tool of the utility model takes the positioning seat as the center to unfold and is matched with the positioning shoulder to complete the positioning of the stator; and the riveting head completes the spot riveting of the stator through the up-and-down movement of the upper template. The die reciprocates along with the cope match-plate pattern, makes things convenient for laying and taking out of stator, and frock simple structure, and processing is convenient, and is with low costs.
The utility model has the advantages of as follows:
1. aligning a bulge at the lower part of the stator with an accommodating cavity on the positioning seat, guiding the stator into the positioning seat, matching with the positioning shoulder to finish positioning the stator, and ensuring that the stator has no deviation, four-point riveting stress positions are consistent, pressure is uniform, riveting points are consistent, and no damage occurs;
2. the stator is quickly, time-saving and labor-saving to install;
3. the stator positioning device is suitable for the needs of quick change of different types of products, the stator is ensured to be installed on the positioning seat without deformation, and the four spot riveting positions meet the production requirements and are uniformly distributed and uniform;
4. the stator is guaranteed to be installed on the positioning seat, the position is stable, and the stator does not shake.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a perspective view of the lower platen;
FIG. 4 is a perspective view of the positioning seat;
FIG. 5 is a perspective view of the positioning shoulder;
FIG. 6 is a perspective view of the rivet head;
FIG. 7 is a perspective view of the backing plate;
FIG. 8 is a front view of the fixing plate;
FIG. 9 is a top view of the fixing plate;
in the drawings, the reference numbers:
the lower die plate comprises a lower die plate 1, a second screw hole 1a, a first positioning hole 1B, a stepped hole 1c, a guide pillar 2, a positioning seat 3, an annular part 3a, a containing cavity 3B, a notch 3c, a radial extending part 3d, a first screw hole 3e, a first positioning protrusion 3f, a positioning shoulder 4, one part 4a, the other part 4B, a riveting head 5, a connecting part 5a, a riveting part 5B, a positioning step 5c, a lower positioning pillar 6, an upper positioning pillar 7, an upper die plate 8, a guide sleeve 9, a spring 10, a base plate 11, a first screw hole 11a, a fixing plate 12, an assembling hole 12a, a second screw hole 12B, a second positioning hole A and a second positioning protrusion B.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and 2, the utility model discloses a motor stator's point riveting frock, including lower bolster 1, guide pillar 2, positioning seat 3, location shoulder 4, go up mould subassembly, fixed subassembly, die 5, the following relation to every part and each part between carries out the detailed description respectively:
one end of the guide post 2 is fixed with the lower template 1; the lower template 1 is provided with a step hole 1c, one end of the guide pillar 2 is provided with a step, after the other end of the guide pillar 2 passes through the step hole 1c, the step at one end of the guide pillar 2 is matched with the step hole 1c on the lower template 1, and interference fit is preferentially adopted in the matching, so that the guide pillar 2 and the lower template 1 are fastened into a whole. The other end of the guide post 2 is provided with a threaded hole.
Positioning seat 3 is fixed with lower bolster 1, is equipped with annular portion 3a on the terminal surface that positioning seat 3 deviates from lower bolster 1, and annular portion 3a preferentially adopts the ring, and annular portion 3a highly is less than the height of stator. An accommodating cavity 3b for accommodating at least a part of the stator is formed between the annular part 3a and the positioning seat 3, and a notch 3c is arranged on the annular part 3 a. The notches 3c extend from the axial end face of the annular portion 3a to the positioning seat 3 in an axial direction parallel to the annular portion 3a, i.e., the notches 3c penetrate both axial end faces of the annular portion 3 a.
Preferably, a second screw hole 1a is formed in the lower template 1, the second screw hole 1a is a stepped hole, a radial extension portion 3d is formed in the outer wall of the annular portion 3a, the radial extension portion 3d is annular, a first screw hole 3e is formed in the radial extension portion 3d, the first screw hole 3e corresponds to the second screw hole 1a, the annular portion 3a and the lower template 1 are fastened through a first screw (not shown in the figure), that is, the first screw penetrates through the second screw hole 1a and then is in threaded connection with the first screw hole 3e, so that the positioning seat 3 and the lower template 1 are fastened into a whole.
The positioning shoulder 4 positions the stator, one part 4a of the positioning shoulder 4 is matched with the notch 3c, and the other part 4b of the positioning shoulder 4 is positioned in the accommodating cavity 3 b; the peripheral surface of the stator is generally provided with a groove, the extending direction of the groove is generally parallel to the axial direction of the stator, after a part of the stator is inserted into the accommodating cavity 3b, a part 4a of the positioning shoulder 4 positioned in the accommodating cavity 3b is embedded into the groove on the peripheral surface of the stator, and through the matching relation, the stator can be prevented from rotating along the circumferential direction, so that the positioning precision of the stator is improved.
The height of one part of the positioning shoulder 4 matched with the notch 3c is greater than that of the other part of the positioning shoulder 4 positioned in the accommodating cavity 3b, preferably, the cross section of the positioning shoulder 4 is L-shaped, the height of one part of the positioning shoulder 4 matched with the notch 3c is equal to that of the notch 3c, and the formed positioning shoulder 4 has the characteristic of good stability after being matched with the notch 3 c.
The upper die assembly is sleeved on the guide pillar 2 in an empty mode and is in sliding fit with the guide pillar 2, and the fixing assembly is fixedly connected with the upper die assembly; the upper die assembly can slide or lift along the axial direction of the guide post 2, and when the upper die assembly drives the rivet head 5 to move towards the position of the positioning seat 3, the rivet head 5 can apply a point riveting acting force on the stator with one end positioned in the positioning seat 3.
The riveting heads 5 are multiple, one ends of the riveting heads 5 are distributed along the same circumference and are fixed with the fixing component, and the other ends of the riveting heads 5 are opposite to the accommodating cavity 3 b. In this embodiment, the number of the rivets 5 is preferably 4, and the 4 rivets 5 are arranged along the same circumference of the fixing component at 90 ° intervals.
The riveting head 5 comprises a connecting part 5a and a riveting part 5b for riveting, one end of the riveting part 5b is fixed with the connecting part 5a, the other end of the riveting part 5b is in a conical shape, the other end of the riveting part 5b is set to be in a conical shape, on one hand, when the stator is subjected to point riveting, the conical end part can increase pressure, the quality and the success rate of the point riveting are improved, the depth of the point riveting in the other direction and the size of a point riveting part can be controlled as required, namely, the applied pressure is larger, the inserted depth of the riveting part 5b is deeper, the formed area is larger, the applied pressure is smaller, the inserted depth of the riveting part 5b is shallow, and the formed area is smaller. Therefore, the rivet head 5 with such a structure can apply pressure by using corresponding pressure according to the condition of the stator, and can perform point riveting on different stators, so that the rivet head 5 in the embodiment has the advantage of universality.
Riveting portion 5 b's width is less than connecting portion 5 a's width, forms location step 5c between connecting portion 5a and riveting portion 5b, and location step 5c is used for cooperating with fixed subassembly to carry on spacingly to the mounted position of die 5, avoid die 5 not hard up.
The upper die assembly comprises an upper die plate 8, a guide sleeve 9 and a spring 10, wherein a first through hole is formed in the upper die plate 8, and a first mounting hole for mounting the fixing assembly is formed in the upper die plate 8; at least one part of the guide sleeve 9 is matched with the first through hole, and the guide sleeve 9 is in sliding fit with the guide pillar 2; one end of the spring 10 is matched with the guide sleeve 9, and the other end of the spring 10 is matched with the lower template 1. A stop cover 13 is fixed at the other end of the guide post 2, and the stop cover 13 is used for limiting the upper limit position of the upper template 8.
When pressure is loaded on the upper template 8, the upper template 8 drives the guide sleeve 9 to linearly move along the guide pillar 2, the spring 10 is compressed by the guide sleeve 9, the upper template 8 drives the fixing assembly to move to the position of the positioning seat 3, and the rivet head 5 installed on the fixing assembly performs point riveting on the stator positioned in the positioning seat 3. After the point riveting is finished, the pressure on the upper template 8 is released, the compressed spring 10 releases the tension, and the spring 10 pushes the guide sleeve 9 to move reversely along the guide pillar 2, so that the upper template 8 drives the fixing component to reset.
The fixing component comprises a backing plate 11, a fixing plate 12 and a connecting screw, the backing plate 11 is fixed with one end of the rivet head 5, and a first screw hole 11a is formed in the backing plate 11; the fixing plate 12 is provided with an assembly hole 12a, the assembly hole 12a preferably adopts a step hole, the other end of the rivet head 5 penetrates through the assembly hole 12a, and a positioning step 5c on the rivet head 5 is matched with the step surface of the assembly hole 12a to axially limit the rivet head 5. The fixing plate 12 is further provided with a second screw hole 12b, and a connecting screw (not shown) passes through the upper mold assembly and then is sequentially connected with the first screw hole 11a and the second screw hole 12b, so that the upper mold assembly, the backing plate 11 and the fixing plate 12 are fastened into a whole. The connecting screws fasten the upper template 8, the backing plate 11 and the fixing plate 12 into a whole.
Preferably, in this embodiment, the lower template 1 is provided with a first positioning hole 1b, the end surface of the positioning seat 3 facing the lower template 1 is provided with a first positioning protrusion 3f, and the first positioning protrusion 3f is inserted into the first positioning hole 1 b; the upper die assembly is provided with a second positioning hole A, the fixing assembly is provided with a second positioning bulge B, the second positioning bulge B is arranged on the fixing plate 12, and the second positioning bulge B is inserted into the second positioning hole A; the second positioning protrusion B passes through the backing plate 11 and then is matched with the second positioning hole a.
The centers of the first positioning hole 1B, the first positioning protrusion 3f, the second positioning hole A and the second positioning protrusion B are positioned on the same straight line. The structure is beneficial to ensuring the positioning precision of the positioning seat 3 to the stator and the point riveting precision of the rivet head 5 to the stator.
Preferably, the device further comprises a lower limiting column 6 and an upper limiting column 7, wherein one end of the lower limiting column 6 is fixed with the lower template 1; one end of the upper limiting column 7 is fixed with the upper die assembly, and the upper limiting column 7 is limited by the upper die assembly and the fixing assembly fixed on the upper die assembly after being propped against the other end of the lower limiting column 6 along with the movement of the upper die assembly. When riveting, through the cooperation of lower spacing post 6 and upper limit post 7, can restrict the die 5 and excessively exert pressure to the stator, avoid the stator to receive the destruction.
The stator spot riveting tool of the utility model takes the positioning seat 3 as the center to be unfolded and is matched with the positioning shoulder 4 to complete the positioning of the stator; through the up-and-down movement of the upper template 8, the riveting head 5 completes the point riveting of the stator. The rivet head 5 moves up and down along with the upper template 8, so that the stator can be conveniently placed and taken out, and the tool is simple in structure, convenient to process and low in cost.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, not to limit it, and not to limit the protection scope of the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. Motor stator's point riveting tools, its characterized in that includes:
a lower template (1);
one end of the guide post (2) is fixed with the lower template (1);
the stator positioning device comprises a positioning seat (3), wherein the positioning seat (3) is fixed with a lower template (1), an annular part (3 a) is arranged on the end face, deviating from the lower template (1), of the positioning seat (3), a containing cavity (3 b) used for containing at least one part of a stator is formed between the annular part (3 a) and the positioning seat (3), and a notch (3 c) is arranged on the annular part (3 a);
the positioning shoulder (4) is used for positioning the stator, one part of the positioning shoulder (4) is matched with the notch (3 c), and the other part of the positioning shoulder (4) is positioned in the accommodating cavity (3 b);
the upper die assembly is sleeved on the guide pillar (2) in an empty mode and is in sliding fit with the guide pillar (2);
the fixing component is fixedly connected with the upper die component;
the rivet comprises a plurality of rivets (5), one ends of the rivets (5) are distributed along the same circumference and are fixed with the fixing component, and the other ends of the rivets (5) are opposite to the accommodating cavity (3 b).
2. The spot riveting tool for the motor stator according to claim 1, further comprising:
one end of the lower limiting column (6) is fixed with the lower template (1);
go up spacing post (7), the one end of going up spacing post (7) is fixed with last mould subassembly, goes up spacing post (7) and supports the back along with last mould subassembly removal and the other end of spacing post (6) down, and it is spacing to last mould subassembly and the fixed subassembly of fixing on last mould subassembly formation.
3. The spot riveting tool for the motor stator according to claim 1 or 2, wherein a second screw hole (1 a) is formed in the lower template (1), a radial extending portion (3 d) is formed in the outer wall of the annular portion (3 a), a first screw hole (3 e) is formed in the radial extending portion (3 d), and the annular portion (3 a) and the lower template (1) are fastened through a first screw.
4. The spot riveting tool for the motor stator according to claim 1 or 2, wherein a first positioning hole (1 b) is formed in the lower template (1), a first positioning protrusion (3 f) is formed in the end face, facing the lower template (1), of the positioning seat (3), and the first positioning protrusion (3 f) is inserted into the first positioning hole (1 b);
the upper die assembly is provided with a second positioning hole (A), the fixing assembly is provided with a second positioning bulge (B), and the second positioning bulge (B) is inserted into the second positioning hole (A);
the centers of the first positioning hole (1B), the first positioning bulge (3 f), the second positioning hole (A) and the second positioning bulge (B) are positioned on the same straight line.
5. The spot riveting tool for the motor stator according to claim 1 or 2, wherein the upper die assembly comprises:
the upper template (8), there are the first through holes on the upper template (8), also there are the first mounting holes used for installing the fixed assembly on the upper template (8);
at least one part of the guide sleeve (9) is matched with the first through hole, and the guide sleeve (9) is in sliding fit with the guide pillar (2);
one end of the spring (10) is matched with the guide sleeve (9), and the other end of the spring (10) is matched with the lower template (1).
6. The spot riveting tool for the motor stator according to claim 1 or 2, wherein the fixing assembly comprises:
the backing plate (11), the backing plate (11) is fixed with one end of the rivet head (5), the backing plate (11) is provided with a first screw hole (11 a);
the riveting head comprises a fixing plate (12), wherein an assembly hole (12 a) is formed in the fixing plate (12), the other end of the riveting head (5) penetrates through the assembly hole (12 a), and a second screw hole (12 b) is formed in the fixing plate (12);
and the connecting screw penetrates through the upper die assembly and is sequentially connected with the first screw hole (11 a) and the second screw hole (12 b), so that the upper die assembly, the backing plate (11) and the fixing plate (12) are fastened into a whole.
7. The spot riveting tool for motor stators as claimed in claim 1 or 2, wherein the rivet head (5) comprises:
a connecting portion (5 a);
and the riveting part (5 b) is used for riveting, one end of the riveting part (5 b) is fixed with the connecting part (5 a), and the other end of the riveting part (5 b) is conical.
8. The spot riveting tool for the motor stator according to claim 7, wherein the width of the riveting part (5 b) is smaller than that of the connecting part (5 a), and a positioning step is formed between the connecting part (5 a) and the riveting part (5 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221148320.8U CN217432827U (en) | 2022-05-13 | 2022-05-13 | Point riveting tool for motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221148320.8U CN217432827U (en) | 2022-05-13 | 2022-05-13 | Point riveting tool for motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217432827U true CN217432827U (en) | 2022-09-16 |
Family
ID=83218948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221148320.8U Active CN217432827U (en) | 2022-05-13 | 2022-05-13 | Point riveting tool for motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217432827U (en) |
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2022
- 2022-05-13 CN CN202221148320.8U patent/CN217432827U/en active Active
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