CN211018444U

CN211018444U - Miniature stepping motor deformation-prevention middle pole plate rubber coating technology framework structure

Info

Publication number: CN211018444U
Application number: CN201922434689.XU
Authority: CN
Inventors: 郭颖俊; 郭华利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-14
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a step motor line frame technical field discloses polar plate rubber coating technique skeleton texture in miniature step motor preapres for an unfavorable turn of events shape, including last skeleton, lower skeleton and well polar plate, the upper end of going up the skeleton is equipped with the terminal box, the middle part of going up skeleton, lower skeleton is equipped with well cavity, be equipped with the gluey hole on the well polar plate terminal surface, the middle part of well polar plate is equipped with the round hole, round hole edge tangential is equipped with a plurality of well polar plate utmost point teeth perpendicularly, well polar plate utmost point tooth inserts the cavity intracavity and is integrative with the inner wall shaping of last skeleton, lower skeleton, and wherein the top of two well polar plate utmost point teeth exposes in the face of fitting with a contraceptive ring of the cavity in last skeleton, go up skeleton, lower skeleton and well polar plate integrated into. The utility model discloses a rubber coating integrated into one piece technique, the effectual traditional step motor line frame of having eliminated is through assembling the easy not hard up technological defect of shaping, has effectively prevented well polar plate deformation through subtracting gluey dew iron location technology, has improved the production quality and the product percent of pass of this skeleton product.

Description

Miniature stepping motor deformation-prevention middle pole plate rubber coating technology framework structure

Technical Field

The utility model relates to a step motor line frame technical field, specific theory relate to miniature step motor is prevented deformation and is middle polar plate rubber coating technical skeleton texture.

Background

The winding framework is an important component of the stepping motor, and along with the increasing market demand on a stepping motor wire frame, the application of the stepping motor wire frame is more and more extensive. The traditional motor coil holder is formed by splicing and assembling, the production process has the defects of poor stability, short service life, high cost, high labor cost, poor effect, multiple faults, poor quality and the like, and although the motor coil holder integrally formed by injection molding is also available on the market, the pole teeth of the middle pole plate of the existing coil holder are all encapsulated on the upper and lower frameworks, and during injection molding, the middle pole plate is easy to deform due to the impact of high-speed plastic solution, so that more defective products are caused, and therefore the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing polar plate rubber coating technical skeleton texture in miniature step motor preapres for an unfavorable turn of events shape.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the technical skeleton structure comprises an upper skeleton, a lower skeleton and a middle pole plate, wherein a junction box is arranged at the upper end of the upper skeleton, a hollow cavity is formed in the middle of the upper skeleton and the lower skeleton, a glue hole is formed in the end face of the middle pole plate, a round hole is formed in the middle of the middle pole plate, a plurality of middle pole plate pole teeth are perpendicularly arranged at the edge of the round hole in a tangential mode, the middle pole plate pole teeth are inserted into the hollow cavity and integrated with the inner walls of the upper skeleton and the lower skeleton, the tops of the two middle pole plate pole teeth are exposed out of the upper ring face of the hollow cavity in the upper skeleton, the two exposed middle pole plate pole teeth are arranged at the corresponding positions of the opening of the junction box, and the upper skeleton, the lower skeleton and the middle pole plate are integrally.

Furthermore, the pole teeth of the middle pole plate are uniformly distributed at intervals along the circumference.

Furthermore, the bilateral symmetry of well polar plate is equipped with the arc breach of indent, and well polar plate includes well polar plate, lower well polar plate, the specification of going up well polar plate, lower well polar plate is unanimous, overlaps to rivet through the punching press and forms, go up well polar plate, lower well polar plate and pass through respectively well polar plate utmost point tooth is connected with last skeleton, lower skeleton.

Furthermore, tooth-shaped grooves are formed in the inner walls of hollow cavities of the upper framework and the lower framework, and the pole teeth of the middle pole plate are inserted into the tooth-shaped grooves and integrally formed with the upper framework and the lower framework.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses miniature step motor preapre for an unfavorable turn of events shape well polar plate rubber coating technique skeleton texture is through the mode of the integrated into one piece that moulds plastics, the effectual processing defect that traditional step motor line frame is easily not hard up through assembling the shaping of having eliminated, it is poor to have effectively solved traditional step motor and to have poor stability in the operation, easily drop, the noise is big and the precision is low scheduling problem, simultaneously when moulding plastics, support well polar plate through setting up the top position in the mould, when mould top position and well polar plate utmost point tooth contact support, make the die sinking after, the top of well polar plate utmost point tooth exposes in the last ring surface of cavity in the upper frame, through this subtract deformation and the displacement of gluing the dew iron location technology effectively prevented well polar plate, the production quality of skeleton texture has been guaranteed, its production qualification rate has been improved, good condition is provided for next step complete machine intelligent automated production, thereby the maximum result of use who has guaranteed step motor, The use quality and the use experience reduce the risk and the running noise of the loss of the stepping motor, and effectively improve the operation precision of the stepping motor.

Drawings

FIG. 1 is a schematic structural view of the framework structure of the present invention;

FIG. 2 is a schematic view of the framework of the present invention showing another view angle;

FIG. 3 is a schematic diagram of a pole plate structure in the framework structure of the present invention;

FIG. 4 is a schematic view of a partially unfolded structure of a pole plate in the framework structure of the present invention;

in the drawings: 1. the device comprises an upper framework, 2 a lower framework, 3 a middle pole plate, 4 a glue passing hole, 5 a junction box, 6 a tooth-shaped groove, 31 a middle pole plate tooth, 32 an upper middle pole plate, 33 a lower middle pole plate, 34 an arc-shaped notch.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making the scope of the present invention more clearly defined.

Referring to the attached drawings 1-3, the utility model discloses a miniature step motor is prevented deformation in polar plate rubber coating technique skeleton texture, including last skeleton 1, lower skeleton 2 and well polar plate 3, well polar plate 3 is polar plate in the iron, it is equipped with terminal box 5 to go up skeleton 1 upper end, go up skeleton 1, the middle part of lower skeleton 2 is equipped with well cavity, be equipped with on the 3 terminal surfaces of well polar plate and cross gluey hole 4, the middle part of well polar plate 3 is equipped with the round hole, round hole edge tangential is equipped with a plurality of well polar plate utmost point teeth 31 perpendicularly, well polar plate utmost point tooth 31 inserts cavity intracavity and last skeleton 1, the inner wall shaping of lower skeleton 2 is integrative, wherein the top of two well polar plate utmost point teeth 31 exposes in the last ring face of the cavity of last skeleton 1, and two well polar plate utmost point teeth 31 that expose correspond the position at terminal box 5 openings, go up skeleton 1, lower skeleton 2 and well polar plate 3 integrated into one piece that.

A preferred technical solution of this embodiment: the middle pole plate teeth 31 are evenly distributed at intervals along the circumference, wherein the two middle pole plate teeth 31 exposed out of the top are two adjacent teeth, as shown in fig. 1 and 4, the two exposed middle pole plate teeth 31 are arranged at the positions corresponding to the openings of the junction box 5, and the other middle pole plate teeth 31 are all encapsulated in the upper framework 1 and the lower framework 2.

A preferred technical solution of this embodiment: be equipped with 6 on 3 terminal surfaces of well polar plate and cross glued hole 4, cross the setting in glued hole and increased the connection stability of skeleton and well polar plate from top to bottom.

A preferred technical solution of this embodiment: the two sides of the middle pole plate 3 are symmetrically provided with concave arc-shaped notches 34, and the arc-shaped notches 34 are used for positioning the height and the direction of the middle pole plate; the middle pole plate 3 comprises an upper middle pole plate 32 and a lower middle pole plate 33, the specifications of the upper middle pole plate 32 and the lower middle pole plate 33 are consistent, the upper middle pole plate 32 and the lower middle pole plate 33 are formed by automatic overlapping riveting through an advanced punching process, the front side and the back side are not separated during assembly, and the upper middle pole plate 32 and the lower middle pole plate 33 are respectively connected with the upper framework 1 and the lower framework 2 through middle pole plate pole teeth 31.

A preferred technical solution of this embodiment: go up

skeleton

1, 2 cavity inner walls of lower skeleton are equipped with tooth-shaped groove 6, and well polar plate utmost point tooth 31 inserts in tooth-shaped groove 6 with

last skeleton

1, 2 integrated into one piece of lower skeleton, and wherein two adjacent well polar plate utmost point teeth 31 expose in the last ring surface of 1 cavity of last skeleton, and other well polar plate utmost point teeth 31 all rubber-coated is in last skeleton 1, lower skeleton 2.

The utility model discloses miniature step motor is prevented deformation in polar plate rubber coating technique skeleton texture's manufacturing method and the deformation principle of preventing: the middle polar plate 3 is put into a mould by a special automatic machine for assembly, the middle polar plate is positioned by an arc-shaped notch on the side edge of the middle polar plate during assembly, and finally, plastic solution is injected at a high speed by a plastic forming machine, so that the upper framework 1, the middle polar plate 3 and the lower framework 2 are integrally formed by one-time injection molding. When moulding plastics, the plastic of high-speed motion leads to well polar plate to warp easily, consequently, sets up two top position strong points in the mould and supports well polar plate (the setting up of top position strong point makes the top of two well polar plate utmost point teeth expose the last anchor ring in cavity in last skeleton) for well polar plate can not take place to warp and the displacement when penetrating at a high speed and glue, has guaranteed this skeleton texture's quality, has improved the qualification rate of product.

The utility model effectively eliminates the technical defect that the traditional stepping motor wire frame is easy to loose through assembly molding by the mode of injection molding and integrated molding, effectively solves the problems of poor stability, easy falling, high noise, low precision and the like existing in the operation of the traditional stepping motor, simultaneously when in injection molding, the top position supporting points are arranged in the die to support the middle polar plate, the deformation and displacement of the middle polar plate are effectively prevented through the glue and iron reducing and positioning process, the production quality of the framework structure is ensured, the production qualification rate of the framework structure is improved, good conditions are provided for the next intelligent and automatic production of the whole machine, thereby furthest's assurance step motor's result of use, service quality and use impression, reduced the risk and the running noise of step motor loss, simultaneously effectual step motor operation precision that has improved.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Polar plate rubber coating technique skeleton texture in miniature step motor preapres for an unfavorable turn of events shape, including last skeleton (1), lower skeleton (2) and well polar plate (3), its characterized in that: go up skeleton (1) upper end and be equipped with terminal box (5), the middle part of going up skeleton (1), lower skeleton (2) is equipped with well cavity, be equipped with on well polar plate (3) terminal surface and cross gluey hole (4), the middle part of well polar plate (3) is equipped with the round hole, round hole edge tangential is equipped with a plurality of well polar plate utmost point teeth (31), well polar plate utmost point tooth (31) insert the cavity intracavity and become integrative with the inner wall shaping of last skeleton (1), lower skeleton (2), wherein the top of two well polar plate utmost point teeth (31) exposes in the last anchor ring of last skeleton (1) cavity to two well polar plate utmost point teeth (31) that expose set up in terminal box (5) opening corresponding position, go up skeleton (1), lower skeleton (2) and well polar plate (3) integrated into one piece that moulds plastics.

2. The skeleton structure of the miniature stepping motor with the deformation-preventing middle pole plate encapsulation technology as claimed in claim 1, is characterized in that: the pole teeth (31) of the middle pole plate are uniformly distributed at intervals along the circumference.

3. The skeleton structure of the miniature stepping motor with the deformation-preventing middle pole plate encapsulation technology as claimed in claim 1, is characterized in that: the bilateral symmetry of well polar plate (3) is equipped with arc breach (34) of indent, and well polar plate (3) are including well polar plate (32), down well polar plate (33), go up well polar plate (32), the specification of well polar plate (33) is unanimous down, overlaps through the punching press and rivets and form, go up well polar plate (32), down well polar plate (33) and pass through respectively well polar plate utmost point tooth (31) are connected with last skeleton (1), lower skeleton (2).

4. The skeleton structure of the miniature stepping motor with the deformation-preventing middle pole plate encapsulation technology as claimed in claim 1, is characterized in that: go up skeleton (1), down skeleton (2) cavity inner wall is equipped with tooth groove (6), well polar plate utmost point tooth (31) insert in tooth groove (6) with last skeleton (1), down skeleton (2) integrated into one piece.