CN212305063U

CN212305063U - Self-adhesion stator manufacturing tool for stator tooth yoke separation with inner diameter of 25-40mm

Info

Publication number: CN212305063U
Application number: CN202021484939.7U
Authority: CN
Inventors: 臧万普; 王小辉; 杨忠合
Original assignee: Hebei Laser Electromechanical Co ltd
Current assignee: Hebei Laser Electromechanical Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-01-05
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a self-adhesive stator manufacturing tool with separated stator tooth yokes with the inner diameter of 25-40mm, which comprises a tool bottom plate, a tool mandrel, a tool expansion plate, an iron core bottom plate and a tool pressing plate; the iron core bottom plate is fixed on the tool bottom plate; a threaded hole is formed in the center of the tool base plate, and a screw matched with the threaded hole is fixedly arranged at the bottom end of the tool mandrel; the tool expansion plate with the two-petal structure is placed on the tool bottom plate and is encircled into an expansion sleeve which is cylindrical outside and inverted truncated cone-shaped inside, the tool core shaft is inserted into the expansion sleeve, and the tool pressing plate is sleeved at the top end of the expansion sleeve; the outer side of the tool expansion plate is sleeved with a circular tubular stator yoke inner supporting plate; a plurality of bolts are uniformly arranged on the outer edge of the iron core bottom plate along the circumferential direction, and nuts, flat washers and rectangular springs are sequentially arranged on the top ends of the bolts from top to bottom. The utility model discloses have the commonality, when guaranteeing that the iron core hangs down the geometric tolerances such as straightness, axiality, guaranteed the pressure of iron core, and then guaranteed that the pressure coefficient is qualified to fold of iron core.

Description

Self-adhesion stator manufacturing tool for stator tooth yoke separation with inner diameter of 25-40mm

Technical Field

The utility model relates to a self-adhesion stator preparation frock technical field, concretely relates to stator yoke preparation frock of internal diameter 25-40 mm.

Background

The iron core is an important component of the motor, and the quality and the production efficiency of the iron core occupy important positions in the production of the iron core; with the improvement of the processing precision of the existing mold, the self-adhesive rotor core formed in the mold is increasingly rising; usually, the clearance between the punched sheets after the self-adhesive rotor core is molded from the mold cavity is large, and the punched sheets need to be compressed and molded through a tool. At present, a tool comprises a tool bottom plate and a tool pressing plate which are arranged oppositely, when the tool is used, stator teeth or a stator yoke are fixed between the tool bottom plate and the tool pressing plate, the tool bottom plate and the tool pressing plate are connected through bolts, nuts on the bolts are screwed to apply acting force to the stator teeth or the stator yoke, and therefore the stator teeth or the stator yoke are laminated and formed. However, the existing tool is not universal, each kind of stator tooth or stator yoke needs to be manufactured again, the process is complicated, the processing period is long, and the manufacturing cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough and provide a self-adhesion stator preparation frock of stator tooth yoke separation that the internal diameter that the commonality is strong 25-40 mm.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is:

a self-adhesive stator manufacturing tool with an inner diameter of 25-40mm and separated from a stator tooth yoke comprises a circular tool bottom plate, an inverted frustum-shaped tool mandrel, a tool expansion plate with a two-lobe structure, a circular iron core bottom plate and a circular tool pressing plate; the iron core bottom plate is fixed at the outer edge of the tooling bottom plate; a threaded hole is formed in the center of the tool base plate, and a screw matched with the threaded hole is fixedly arranged at the bottom end of the tool mandrel; the tool expansion plate with the two-petal structure is placed on the tool bottom plate and is encircled into an expansion sleeve which is cylindrical outside and inverted truncated cone-shaped inside, the tool core shaft is inserted into the expansion sleeve, and the tool pressing plate is sleeved at the top end of the expansion sleeve; the outer side of the tool expansion plate with the two-petal structure is sleeved with a circular tubular stator yoke inner supporting plate; the tool core shaft, the tool expansion plate and the stator yoke inner support plate are fixedly connected through a plurality of cylindrical pins uniformly arranged along the circumferential direction, and the stator yoke inner support plate is fixedly connected with the tool expansion plate through a plurality of screws uniformly arranged along the circumferential direction; a plurality of upper jacks are uniformly formed in the inner edge of the tool pressing plate along the circumferential direction, a plurality of lower jacks which are in one-to-one correspondence with the upper jacks are uniformly formed in the inner edge of the iron core base plate along the circumferential direction, and a groove rod is inserted into each pair of upper jacks and each pair of lower jacks; a plurality of bolts are uniformly arranged on the outer edge of the iron core bottom plate along the circumferential direction, and the middle upper parts of the bolts are inserted into clamping grooves formed in corresponding positions on the outer edge of the tool pressing plate; the top end of the bolt is sequentially provided with a nut, a flat washer and a rectangular spring from top to bottom.

Further, the outside bottom of frock expansion board sets firmly convex outer edge to the annular groove that holds outer edge is seted up to the inner ring bottom of iron core bottom plate.

Furthermore, a plurality of equal-height columns are uniformly arranged on the outer side between the iron core bottom plate and the tool pressing plate along the circumferential direction.

Further, the stator yoke inner supporting plate is of a two-lobe structure, and each lobe is semicircular.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses have the commonality to the iron core that the internal diameter is 25-40 mm's stator tooth yoke separation, can remodel the product through changing frock expansion board and frock clamp plate, practiced thrift frock cost of manufacture and frock process time. The utility model discloses when guaranteeing that the iron core hangs down the geometric tolerances such as straightness, axiality, guaranteed the pressure of iron core, and then guaranteed that the fold of iron core presses the coefficient qualified.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

1. The tooling comprises a tooling bottom plate, 2, a tooling mandrel, 3, a stator yoke, 4, a tooling pressing plate, 5, a groove rod, 6, a cylindrical pin, 7, an inner hexagonal cylindrical head screw, 8, an equal-height column, 9, a rectangular spring, 10, a bolt, 11, a flat washer, 12, a nut, 13, an iron core bottom plate, 14, a tooling expansion plate, 15 and a stator yoke inner supporting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model discloses a self-adhesive stator manufacturing tool with 25-40mm inner diameter for separating stator tooth yoke, comprising a circular tool bottom plate 1, an inverted frustum-shaped tool mandrel 2, a tool expansion plate 14 with a two-segment structure, an annular iron core bottom plate 13 and an annular tool pressing plate 4; the iron core bottom plate 13 is fixed at the outer edge of the tooling bottom plate 1; a threaded hole is formed in the center of the tool base plate 1, and a screw matched with the threaded hole is fixedly arranged at the bottom end of the tool mandrel 2; the tool expansion plate 14 with the two-petal structure is placed on the tool bottom plate 1 and encloses an expansion sleeve with a cylindrical outer part and an inverted truncated cone inner part, the tool core shaft 2 is inserted into the expansion sleeve in a matching way, and the tool pressing plate 4 is sleeved at the top end of the expansion sleeve; the outer side of the tooling expansion plate 14 with the two-petal structure is sleeved with a circular tubular stator yoke inner supporting plate 15; the tool mandrel 2, the tool expansion plate 14 and the stator yoke inner supporting plate 15 are fixedly connected through a plurality of cylindrical pins 6 uniformly arranged along the circumferential direction, and the stator yoke inner supporting plate 15 is fixedly connected with the tool expansion plate 14 through a plurality of screws 7 uniformly arranged along the circumferential direction; a plurality of upper jacks are uniformly arranged at the inner edge of the tool pressing plate 4 along the circumferential direction, a plurality of lower jacks which are one-to-one corresponding to the upper jacks are uniformly arranged at the inner edge of the iron core base plate 13 along the circumferential direction, and a groove rod 5 is inserted into each pair of the upper jacks and the lower jacks; a plurality of bolts 10 are uniformly arranged at the outer edge of the iron core bottom plate 13 along the circumferential direction, and the middle upper parts of the bolts 10 are inserted into clamping grooves arranged at corresponding positions at the outer edge of the tool pressing plate 4; the top end of the bolt 10 is sequentially provided with a nut 12, a flat washer 11 and a rectangular spring 9 from top to bottom.

The outside bottom of frock expansion plate 14 sets firmly has convex outer edge to the annular groove that holds outer edge is seted up to the inner ring bottom of iron core bottom plate 13.

A plurality of equal-height columns 8 are uniformly arranged on the outer side between the iron core bottom plate 13 and the tool pressing plate 4 along the circumferential direction.

The stator yoke inner supporting plate 15 has a two-lobe structure, and each lobe has a semicircular shape, so that the stator yoke inner supporting plate can be conveniently mounted and dismounted.

The utility model discloses can be used for making stator core yoke, also can be used for processing stator core tooth. Fig. 2 shows a schematic diagram of a stator core yoke, in which the tooling mandrel 2, the tooling expansion plate 14 and the stator yoke inner support plate 15 are fixed together, i.e., fixed relative to the tooling bottom plate 1, by a plurality of cylindrical pins 6 and screws 7. And placing the iron core slices with the calculated number into a tool, then placing the equal-height columns 8 on an iron core bottom plate 13, pressing a tool pressing plate 4, finally screwing a nut 12, and adjusting the height of the rectangular spring 9 to ensure the laminating coefficient of the iron core.

Before the stator iron core teeth are manufactured, the cylindrical pin 6 and the screw 7 are taken down, and the stator yoke inner supporting plate 15 is detached, so that the tool expansion plate 14 with the two-petal structure can move on the tool bottom plate 1 along the radial direction, and the tool core shaft 2 is connected with the tool bottom plate 1 through a screw at the bottom of the tool core shaft so as to move up and down relative to the tool bottom plate 1. When the screw rod is screwed down, the tool mandrel 2 moves downwards, the tool expansion plate 3 with the two-petal structure expands outwards, and when the screw rod is screwed up, the tool mandrel 2 moves upwards, and the tool expansion plate 3 with the two-petal structure can retract inwards. The iron core bottom plate 13 compresses tightly fixedly to the frock expansion board 3, prevents the slope of frock expansion board 3. When the stator iron core teeth are manufactured, the tool mandrel 2 is firstly screwed upwards, so that the tool expansion plate 3 retracts, and the iron core slices can be normally placed. Placing the calculated number of iron core slices into a tool, screwing down the tool mandrel 2 after placing the iron core slices, and screwing back and forth for several times to ensure that each iron core slice is expanded, then placing an upper contour column 8 on an iron core bottom plate 13, and pressing up a tool pressing plate 4; after the tool pressing plate 4 is pressed, the groove rod 5 is inserted, finally the nut 10 is screwed, the height of the rectangular spring 9 is adjusted, and the pressure is guaranteed. The rectangular spring is adopted to control the pressure conveniently and ensure the laminating coefficient of the iron core. The slot bar 5 is inserted in the middle of the tooth gap of the stator iron core tooth and used for circumferentially positioning the stator tooth.

It is obvious that the above embodiments are only a part of the embodiments of the present invention, and not all of them. 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.

Claims

1. The utility model provides a self-adhesion stator preparation frock of 25-40 mm's of internal diameter stator tooth yoke separation which characterized in that: the tool comprises a circular tool bottom plate (1), an inverted frustum-shaped tool mandrel (2), a tool expansion plate (14) with a two-lobe structure, a circular iron core bottom plate (13) and a circular tool pressing plate (4);

the iron core bottom plate (13) is fixed at the outer edge of the tooling bottom plate (1); a threaded hole is formed in the center of the tool bottom plate (1), and a screw rod matched with the threaded hole is fixedly arranged at the bottom end of the tool mandrel (2); the tool expansion plate (14) with the two-petal structure is placed on the tool bottom plate (1) and encloses an expansion sleeve which is cylindrical outside and inverted truncated cone-shaped inside, the tool mandrel (2) is inserted into the expansion sleeve, and the tool pressing plate (4) is sleeved at the top end of the expansion sleeve;

the outer side of the tooling expansion plate (14) with the two-petal structure is sleeved with a circular tubular stator yoke inner supporting plate (15); the tool mandrel (2), the tool expansion plate (14) and the stator yoke inner supporting plate (15) are fixedly connected through a plurality of cylindrical pins (6) uniformly arranged along the circumferential direction, and the stator yoke inner supporting plate (15) is fixedly connected with the tool expansion plate (14) through a plurality of screws (7) uniformly arranged along the circumferential direction;

a plurality of upper jacks are uniformly formed in the inner edge of the tool pressing plate (4) along the circumferential direction, a plurality of lower jacks which are in one-to-one correspondence with the upper jacks are uniformly formed in the inner edge of the iron core base plate (13) along the circumferential direction, and a groove rod (5) is inserted into each pair of upper and lower jacks;

a plurality of bolts (10) are uniformly arranged on the outer edge of the iron core bottom plate (13) along the circumferential direction, and the middle upper parts of the bolts (10) are inserted into clamping grooves formed in corresponding positions on the outer edge of the tool pressing plate (4); the top end of the bolt (10) is sequentially provided with a nut (12), a flat washer (11) and a rectangular spring (9) from top to bottom.

2. The stator tooth yoke separated self-adhesive stator manufacturing tool with the inner diameter of 25-40mm as claimed in claim 1, wherein: the outer bottom end of the tool expansion plate (14) is fixedly provided with a circular arc-shaped outer edge, and the bottom end of an inner ring of the iron core bottom plate (13) is provided with an annular groove for accommodating the outer edge.

3. The stator tooth yoke separated self-adhesive stator manufacturing tool with the inner diameter of 25-40mm as claimed in claim 1, wherein: and a plurality of equal-height columns (8) are uniformly arranged on the outer side between the iron core bottom plate (13) and the tool pressing plate (4) along the circumferential direction.

4. The stator tooth yoke separated self-adhesive stator manufacturing tool with the inner diameter of 25-40mm as claimed in claim 1, wherein: the stator yoke inner supporting plate (15) is of a two-lobe structure, and each lobe is semicircular.