CN218555845U - Closed slot stator punching sheet processing and positioning device and clamping structure - Google Patents
Closed slot stator punching sheet processing and positioning device and clamping structure Download PDFInfo
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- CN218555845U CN218555845U CN202222794406.4U CN202222794406U CN218555845U CN 218555845 U CN218555845 U CN 218555845U CN 202222794406 U CN202222794406 U CN 202222794406U CN 218555845 U CN218555845 U CN 218555845U
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Abstract
The utility model discloses a closed slot stator punching sheet processing positioning device and a clamping structure, belonging to the technical field of motor component processing tools, which is characterized in that the device comprises a base, a positioning tire post, a positioning pin key and a gland; the base is provided with a supporting and positioning surface for supporting the stator punching sheet, and a key groove is formed in one side of the supporting and positioning surface of the base; the positioning tire columns are vertically extending columns, are fixed on the base, and are uniformly arranged around the supporting and positioning surface in a surrounding manner; the positioning pin key is a rod-shaped body extending in the vertical direction, and the lower end of the positioning pin key is inserted into the key groove; the gland is located above the positioning tire column and connected with the base or the positioning tire column through a fastener. This processing positioner improves for the cutting of closed slot stator punching and provides location dress card basis, makes same kind of stator punching can be used in the motor of different rule modes through improving, brings considerable benefit for production.
Description
Technical Field
The utility model belongs to the technical field of motor element processing tool, especially, relate to a closed slot stator punching sheet processing positioner and dress card structure.
Background
The submersible motor is submerged in seawater for a long time to work, and continuously provides power drive for the submersible pump. The stator core is a core component of the submersible motor, is formed by laminating stator punching sheets, is embedded with electromagnetic wires, and provides a rotating magnetic field and output torque for the motor after being electrified. Generally, a stator punching sheet of a submersible motor is of a closed slot type, and when electromagnetic wires are inserted, only a threading mode can be selected, namely, one electromagnetic wire repeatedly penetrates through the stator slots until the number of turns of the electromagnetic wires in each stator slot reaches the requirement of electromagnetic design. However, for the stator with more turns, in order to protect the winding wire from being damaged, a winding tire is required to be used for winding the winding wire into a coil, and then the whole coil is embedded into the stator slot from the notch of the stator in a wire stacking mode. The closed slot stator punching sheet cannot realize the processing, so that the production is greatly limited. The existing solution is to make the stator punching die of the open slot again and form the stator punching die in one step, but the cost is extremely high, the construction period is long, and the stator punching die is only suitable for mass production. Therefore, the method of cutting the closed-slot stator sheet by the slot line is a preferable mode for small-batch modification of the closed-slot stator sheet, and therefore, a positioning device for cutting the closed-slot stator sheet is required to be designed.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a solve and do not have the closed slot stator towards piece processing positioner and dress card structure that is applicable to the dress card location isolated plant's that carries out the slot wire-electrode cutting to closed slot stator towards piece problem at present.
The utility model is realized in such a way, a closed slot stator punching sheet processing and positioning device is characterized in that the device comprises a base, a positioning tire column, a positioning pin key and a gland; the base is provided with a supporting and positioning surface for supporting the stator punching sheet, and a key groove is formed in one side of the supporting and positioning surface of the base; the positioning tire columns are vertically extending columns, the positioning tire columns are fixed on the base, and the circumferences of at least three positioning tire columns are uniformly arranged around the supporting and positioning surface in a surrounding manner; the positioning pin key is a rod-shaped body extending in the vertical direction, and the lower end of the positioning pin key is inserted into the key groove; the gland is located above the positioning tire column and connected with the base or the positioning tire column through a fastener.
In the above technical solution, preferably, the base includes a base body and a pressing ring, a supporting reference surface is disposed on an upper portion of the base body, the pressing ring is disposed on the supporting reference surface of the base body, an upper end surface of the pressing ring is the supporting and positioning surface, and the pressing ring is provided with a notch corresponding to the key groove.
In the above technical solution, preferably, the tire positioning device includes four positioning tire columns, each positioning tire column is a square column member with a rectangular cross section, a shoulder is disposed on an inner side of a lower end of the square column member, and a support reference surface for supporting and disposing the pressing ring is formed on an upper end surface of the shoulder.
In the above technical solution, preferably, a vertical notch corresponding to the key groove is formed in an end surface of an inner side of one of the positioning tire columns, and the positioning pin key is a quadrangular rod-shaped body which is inserted into the notch and the vertical notch and has a rectangular cross section.
In the above technical solution, preferably, the gland is an annular cover plate, the upper end surface of the positioning tire column is provided with a threaded hole, and the gland is connected with the positioning tire column through a screw fitted in the threaded hole.
The utility model discloses the advantage and the effect of application are:
1. the device can reliably position and clamp the closed slot stator punching sheet group, changes the warp cutting processing of the closed slot stator punching sheet into an open slot in an auxiliary mode, guarantees the precision requirement, and does not influence the laminating of the follow-up stator punching sheet into a stator core. The device has simple structure, easy manufacture and high utilization rate. The cutting and cutting device plays an important role in changing the cutting and cutting processing of the stator punching sheet notch, so that the same kind of stator punching sheet can be used in motors with different wire inserting modes after being reformed, and immeasurable benefits are brought to production.
2. The position and the size of the positioning tire column in the device can be designed according to the processing requirement, and the device has wide application range.
The utility model discloses a still another purpose provides a closed slot stator punching sheet processing dress card structure, a serial communication port, including closed slot stator punching sheet group and above-mentioned processing positioner, the side of closed slot stator punching sheet group forms axially extended draw-in groove, the lower terminal surface of closed slot stator punching sheet group support set up in support the locating surface, closed slot stator punching sheet group's lateral part draw-in groove with the locating pin key combines, closed slot stator punching sheet group's up end compresses tightly to combine the gland, insert two at least inserted bars in the stator slot of closed slot stator punching sheet group, the inserted bar is the anastomotic vertical extension structure of stator slot of cross section and closed slot stator punching sheet.
In the above technical solution, preferably, the device includes two insertion rods, and an included angle in the circumferential direction of the insertion rods is α, where α is greater than 90 ° and less than 130 °.
Drawings
Fig. 1 is a schematic structural view of the processing positioning device of the present invention;
fig. 2 is a cross-sectional view of the processing card loading structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For solving the present problem that does not have dress card location isolated plant that is applicable to carrying out slot wire-electrode cutting to closed slot stator towards the piece, the utility model particularly provides a closed slot stator towards piece processing positioner and dress card structure, this processing positioner provides location dress card basis for the cutting transformation of closed slot stator towards piece, makes same kind of stator towards piece through transforming can be used in the motor of different rule modes, brings considerable benefit for production. For further explanation of the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
example one
Referring to fig. 1, a positioning device for processing a closed slot stator punching sheet includes a base 1, a positioning stud 2, a positioning pin 3 and a gland 4.
The base is a basic component of the device, and the base can be clamped on the plane of a wire cutting workbench which is a conventionally known component in wire cutting equipment. The base and the linear cutting workbench can be fixed through bolts or universal clamps such as a pressing plate. The base has the support locating surface that is used for supporting the stator towards the piece, and the support locating surface of base is equipped with the keyway because of one side. In this embodiment, the base includes a seat body 1-1 and a pressing ring 1-2, the seat body is an annular plate-shaped seat, and the pressing ring is an annular member. The upper part of the seat body is provided with a supporting reference surface, the pressing ring is arranged on the supporting reference surface of the seat body, the upper end surface of the pressing ring is a supporting and positioning surface, and the parallelism of the two end surfaces of the pressing ring is less than or equal to 0.03mm. The key groove 1-3 is arranged on the base body, the pressing ring is provided with a notch 1-4 corresponding to the key groove, the key groove is a rectangular groove extending vertically, the notch is a rectangle corresponding to the key groove, and the width of the key groove is consistent with that of the notch.
The location child post is vertical extension cylinder, and location child post is fixed in the base, and at least three location child post circumference evenly encircles and sets up around supporting the locating surface. In this embodiment, specifically, the stator punching sheet assembly includes four positioning tire columns welded to the base, reinforcing rib plates are welded to two sides of each positioning tire column, and an inner hole for placing the closed slot stator punching sheet group 7 is formed by enclosing the four positioning tire columns. The bottom end surface of the positioning tire column is a processing plane reference A, and the verticality between the inner vertical surface of the positioning tire column and the processing plane reference A is controlled within 0.05mm. The clearance between the diameter of the inner hole and the outer diameter of the stator punching sheet group of the closed slot is less than or equal to 0.05mm. The positioning tire pillar is a square pillar component with a rectangular cross section, a shoulder 2-1 is arranged on the inner side of the lower end of the square pillar component, a supporting datum plane for supporting and arranging a pressing ring is formed on the upper end face of the shoulder, the pressing ring is supported by the supporting datum plane, and the parallelism of the supporting datum plane and a machining plane datum A is controlled within 0.03mm. The end face of the inner side of one of the positioning tire columns is provided with a vertical notch 2-2 corresponding to the key groove, and the width of the vertical notch is consistent with that of the key groove.
The locating pin key is a rod-shaped body extending in the vertical direction, the width of the locating pin key is slightly smaller than that of the key groove, and the lower end of the locating pin key is inserted into the key groove. In this embodiment, the locating pin is a rectangular rod inserted into each of the vertical slots. The verticality of the bottom surfaces of the closed slot stator punching sheet group and the positioning tire column is ensured through the combination of the positioning pin key, the pressing ring, the positioning tire column and the closed slot stator punching sheet group.
The gland is located the top of location child post and is connected with base or location child post through the fastener. In this embodiment, the pressing cover is an annular cover plate, the lower end surface of the annular cover plate is provided with an annular convex part protruding downwards, the outer diameter of the annular cover plate is larger than the diameter of the inner hole, and the outer diameter of the annular convex part is smaller than the diameter of the inner hole. The up end of location child post is equipped with the screw hole, and the gland is connected with location child post through joining in marriage the screw 5 of dress in the screw hole. After the closed slot stator punching sheet group is placed, the annular convex part of the gland is downwards combined with the upper end face of the closed slot stator punching sheet, a gap can be reserved between the outer annular part of the gland and the upper end face of the positioning tire column, and the closed slot stator punching sheet group can be tightly pressed by screwing the bolts.
Example two
Referring to fig. 2, a closed slot stator punching sheet processing and clamping structure includes a closed slot stator punching sheet set and the processing and positioning device according to the first embodiment. The side surface of the closed slot stator punching sheet group forms an axially extending clamping groove, and the lower end surface of the closed slot stator punching sheet group is supported and arranged on a supporting and positioning surface of the pressing ring. The side clamping groove of the closed slot stator punching sheet group is combined with the positioning pin key, the upper end face of the closed slot stator punching sheet group is tightly pressed with the pressing cover, at least two inserting rods 6 are inserted in the stator slots of the closed slot stator punching sheet group, and the inserting rods are vertical extending structural members with the cross sections matched with the stator slots of the closed slot stator punching sheets. Specifically, the device comprises two inserting rods, wherein the included angle of the inserting rods in the circumferential direction is alpha, and alpha is more than 90 degrees and less than 130 degrees.
The processing technology of the closed slot stator punching sheet set in the embodiment comprises the following steps:
the method comprises the following steps: and fixing the base on the online cutting workbench, and inserting the positioning pin key into the key groove.
Step two: and placing the pressing ring on a supporting reference surface, and aligning the notch of the pressing ring with the positioning pin key.
Step three: the closed slot stator punching sheet group formed by stacking a certain number of closed slot stator punching sheets is placed on a supporting and positioning surface of the pressing ring, a clamping groove at the side part of the closed slot stator punching sheet penetrates through a positioning pin key, stator slots of the closed slot stator punching sheet are vertically aligned, the highest height of the closed slot stator punching sheet group cannot exceed the upper end of a positioning tire post, and the lowest height of the closed slot stator punching sheet group can be guaranteed to be pressed by a pressing cover after the pressing cover is placed.
Step four: two inserting rods are placed in the stator slot of the closed slot stator punching sheet group, and the circumferential distribution angle of the two inserting rods is larger than 90 degrees and smaller than 130 degrees.
Step five: and (3) compressing the closed slot stator punching sheet group by using a gland, and screwing the gland on the positioning tire column by using a bolt.
The processing positioning device in the embodiment can place the closed slot stator punching sheet group in the inner hole of the positioning tire column surrounding structure, the pressing ring is used as a support and is positioned on the bottom surface, the positioning pin key and the inner hole of the positioning tire column are used as axial positioning, and the pressing cover is used for pressing, so that the closed slot stator punching sheet group and the linear cutting workbench are accurately positioned, meanwhile, two inserting rods are placed in the stator slot of the stator closed slot stator punching sheet group, the neatness of the stacked closed slot stator punching sheets is ensured, and the accuracy of the processing size is further ensured. When the closed slot stator punching sheet is produced in small batches, a mold does not need to be re-opened, the closed slot stator punching sheet can be effectively and accurately changed into an open slot stator punching sheet through the processing device, the cost is greatly saved, and the production period is shortened.
To sum up, the utility model provides a closed slot stator punching sheet processing positioner with rational in infrastructure, implement that the degree of difficulty is little, the high-usage, material cost low grade advantage, can effectively and accurately change multiple closed slot stator punching sheet closed slot into the open slot.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a closed slot stator punching sheet processing positioner which characterized in that includes:
the stator punching plate fixing device comprises a base, a fixing piece and a positioning piece, wherein the base is provided with a supporting and positioning surface for supporting the stator punching plate, and a key groove is formed in one side of the supporting and positioning surface of the base;
the positioning tire columns are vertically extending columns, are fixed on the base, and are uniformly arranged around the supporting and positioning surface in a surrounding manner;
the positioning pin key is a rod-shaped body extending in the vertical direction, and the lower end of the positioning pin key is inserted into the key groove;
and the gland is positioned above the positioning tire column and is connected with the base or the positioning tire column through a fastener.
2. The closed slot stator punching sheet processing and positioning device according to claim 1, wherein the base comprises a base body and a pressing ring, a supporting reference surface is arranged at the upper part of the base body, the pressing ring is arranged on the supporting reference surface of the base body, the upper end surface of the pressing ring is the supporting and positioning surface, and the pressing ring is provided with a notch corresponding to the key groove.
3. The closed slot stator punching sheet processing and positioning device according to claim 2, characterized by comprising four positioning tire columns, wherein the positioning tire columns are square column members with rectangular cross sections, the inner sides of the lower ends of the square column members are provided with shoulders, and the upper end surfaces of the shoulders form the supporting reference surfaces for supporting and arranging the pressing rings.
4. The closed slot stator punching sheet processing and positioning device as claimed in claim 3, wherein a vertical notch corresponding to the key groove is formed in the end face of the inner side of one of the positioning tire columns, and the positioning pin key is a rectangular rod-shaped body which is inserted into the notch and the vertical notch and is intersected with the rectangular shape.
5. The positioning device for machining the closed slot stator punching sheet according to claim 4, wherein the gland is an annular cover plate, the upper end surface of the positioning tire column is provided with a threaded hole, and the gland is connected with the positioning tire column through a screw fitted in the threaded hole.
6. The clamping structure for processing the closed slot stator punching sheet is characterized by comprising a closed slot stator punching sheet group and the processing and positioning device as claimed in any one of claims 1 to 5, wherein an axially extending clamping groove is formed in the side surface of the closed slot stator punching sheet group, the lower end surface of the closed slot stator punching sheet group is supported and arranged on the supporting and positioning surface, the side clamping groove of the closed slot stator punching sheet group is in key combination with the positioning pin, the upper end surface of the closed slot stator punching sheet group is tightly combined with the pressing cover in a pressing manner, at least two inserting rods are inserted into the stator slot of the closed slot stator punching sheet group, and the inserting rods are vertical extending structural members with the cross sections matched with the stator slots of the closed slot stator punching sheet.
7. The closed slot stator punching processing and clamping structure as claimed in claim 6, wherein the closed slot stator punching processing and clamping structure comprises two insertion rods, the included angle of the insertion rods in the circumferential direction is alpha, and the included angle is more than 90 degrees and less than 130 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794406.4U CN218555845U (en) | 2022-10-21 | 2022-10-21 | Closed slot stator punching sheet processing and positioning device and clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222794406.4U CN218555845U (en) | 2022-10-21 | 2022-10-21 | Closed slot stator punching sheet processing and positioning device and clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218555845U true CN218555845U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222794406.4U Active CN218555845U (en) | 2022-10-21 | 2022-10-21 | Closed slot stator punching sheet processing and positioning device and clamping structure |
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| Country | Link |
|---|---|
| CN (1) | CN218555845U (en) |
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2022
- 2022-10-21 CN CN202222794406.4U patent/CN218555845U/en active Active
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