CN217159503U

CN217159503U - Commutator pressure equipment frock with adjustable

Info

Publication number: CN217159503U
Application number: CN202221058542.0U
Authority: CN
Inventors: 王鉴; 许东; 黄帅
Original assignee: Shandong Shanbo Electric Machine Group Co ltd
Current assignee: Shandong Shanbo Electric Machine Group Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-09
Anticipated expiration: 2032-05-05

Abstract

The utility model belongs to the technical field of the motor production mould, concretely relates to commutator pressure equipment frock with adjustable, the utility model discloses can utilize automatic servo press, the multiple commutator mould of pressure equipment. The excircle clamping jaws can be synchronously retracted and extended, and the diameter of the positioning excircle of the commutator is changed; the armature positioning ferrule and the iron core positioning ferrule can replace different diameters to meet the requirements of armature iron cores with different diameters. The motor performance is improved, the defects that in the prior art, too many molds are used in a production field and a large work field is occupied are overcome, and one mold is suitable for most products.

Description

Adjustable commutator press-fitting tool

Technical Field

The utility model relates to a commutator pressure equipment frock with adjustable belongs to motor production mould technical field.

Background

The armature is used as an important part of the motor, the processing technology is complex, and the requirement of production cannot be met only by relying on the traditional tooling die.

The commutator pressing die used in the past is characterized in that the size of an inner circle for mounting a commutator cannot be adjusted, the position of the commutator is positioned by a mica pin, and the positioning inner circle of an armature core cannot be replaced, as shown in fig. 6, if the size of an outer circle of a commutator 20 of an armature 21 is inconsistent or the outer circles of iron cores 22 are different, a die cannot be used, if a scribing mode is adopted for position alignment, the phenomena of poor wire hanging during winding and embedding, low efficiency and the like caused by inaccurate commutator position can occur in armature production, the consistency of motor performance can be poor, the debugging during motor testing is complex, and the supply period is difficult to guarantee.

The automatic winding and embedding efficiency of the armature is high, but the position of the commutator is required to be accurate, the consistency is good, and therefore the automatic winding and embedding is realized, and the quality of the motor is guaranteed. Armature cores which are of single type are always matched with a special commutator press-fitting mold, the commutator is positioned by an excircle and a mica groove, and the armature cores are positioned by an excircle and a notch of a punching sheet. The application product range of the commutator pressing mold is expanded, so that one set of basic mold is suitable for most products, and the pressing mold is an urgent requirement for production.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: in order to reduce the number of special dies and management work, improve the accuracy of armature core press mounting of the commutator and the reliability of motor performance, the adjustable commutator press mounting tool is provided, and the purposes of wide application range and multiple purposes of products of the tool are achieved.

The utility model discloses an adjustable commutator press fitting tool, which comprises a film pressing base, a center frame and an upper mold pressing plate which are connected together from bottom to top through a stand column, wherein the bottom of the upper mold pressing plate is provided with a commutator excircle positioning module; the outer circle positioning module of the commutator is provided with outer circle clamping jaws distributed in a circumferential array shape, and a plurality of outer circle clamping jaws can synchronously approach or depart from a central point; the center frame is provided with a replaceable armature positioning ferrule; the film pressing base is provided with a replaceable iron core positioning ferrule.

The utility model discloses can utilize automatic servo press, the multiple commutator mould of pressure equipment. The excircle clamping jaws can be synchronously retracted and extended, and the diameter of the positioning excircle of the commutator is changed; the armature positioning ferrule and the iron core positioning ferrule can replace different diameters to meet the requirements of armature iron cores with different diameters.

Furthermore, the commutator excircle positioning module also comprises a rotating rod, the bottom of the rotating rod is fixedly connected with a self-centering forming ring, and an arc-shaped guide groove which is diverged from the center to the periphery is arranged on the self-centering forming ring; the excircle jack catch fixed connection I shape guide rail, the I shape guide rail slides and sets up in the casing, vertical screw is installed to I shape guide rail top surface, the screw setting is in the arc guide slot in. The rotating rod rotates to drive the self-centering forming ring to rotate, the arc-shaped guide groove on the self-centering forming ring acts on the screw arranged on the I-shaped guide rail, the screw is forced to drive all the I-shaped guide rails and the excircle clamping jaw to move synchronously, and the function of adjusting the positioning excircle diameter of the commutator is realized.

In the utility model, a hook clamping groove is arranged on one of the excircle claws; the inner side surface of one of the outer circle clamping jaws is provided with a mica pin which can be positioned by adopting various positioning forms such as a hook, a mica groove and the like.

The utility model discloses still include the dowel, the dowel from the side alternates centre frame and armature location lasso and be in the same place.

And positioning sleeves are arranged between the film pressing base and the central frame and between the central frame and the upper die pressing plate, and are sleeved on the stand columns. The distance between the film pressing base and the center frame and the distance between the center frame and the upper pressing plate can be changed by using the positioning sleeves with different lengths.

The positioning sleeve comprises a positioning long sleeve and a positioning short sleeve.

Compared with the prior art, the utility model beneficial effect who has is:

commutator pressure equipment frock with adjustable, through reasonable ingenious structural design, the multiple commutator of pressure equipment adapts to different diameter armature core's needs. The motor performance is improved, the defects that in the prior art, too many molds are used in a production field and a large work field is occupied are overcome, and one mold is suitable for most products.

1) The clamping range of the commutator excircle positioning die is improved, the diameter positioning excircle of the conventional commutator can only be fixed, the diameter positioning excircle is changed into a structure with adjustable diameter, and the excircle clamping range can be adjusted between 20 mm and 50 mm.

2) The position positioning mode of the commutator is improved, and the former commutator position can only be positioned by mica pins, and the commutator position is changed into a structure which can be positioned by various positioning modes such as hooks, mica grooves and the like.

3) The clamping range of the iron core excircle positioning die is improved, the original iron core excircle diameter can only be fixed, the iron core excircle diameter is changed into a structure with a replaceable diameter, and the excircle fixing range can be adjusted between 40-80 mm.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic cross-sectional structural view of a commutator outer circle positioning module;

FIG. 4 is an external structural view of a commutator outer circle positioning module;

FIG. 5 is a schematic structural view of a self-centering forming ring;

fig. 6 is a schematic view of the structure of the armature.

In the figure: a film pressing base 1; positioning the long sleeve 2; a center frame 3; positioning the short sleeve 4; an upper platen 5; a commutator excircle positioning module 6; an armature positioning collar 7; a locating pin 8; an iron core positioning ferrule 9; a column 10; a rotating rod 11; a self-centering forming ring 12; a screw 13; an I-shaped guide rail 14; an outer circle clamping jaw 15; a housing 16; a hook clamping groove 17; a mica pin 18; an arc-shaped guide groove 19; a commutator 20; an armature 21; and a ferrite core 22.

Detailed Description

The invention will be further described with reference to specific examples. However, in the description of the present invention, it should be noted that the terms "front end", "rear end", "left and right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-5, the adjustable commutator press-fitting tool of the present invention comprises a film pressing base 1, a center frame 3 and an upper mold pressing plate 5 which are connected together from bottom to top through a column 10, wherein a commutator outer circle positioning module 6 is arranged at the bottom of the upper mold pressing plate 5; the commutator excircle positioning module 6 is provided with excircle claws 15 distributed in a circumferential array shape, and a plurality of excircle claws 15 can synchronously approach or depart from a central point; the center frame 3 is provided with a replaceable armature positioning ferrule 7; the film pressing base 1 is provided with a replaceable iron core positioning ferrule 9.

Specifically, the commutator outer circle positioning module 6 of the embodiment further includes a rotating rod 11, the bottom of the rotating rod 11 is fixedly connected with a self-centering forming ring 12, and an arc-shaped guide groove 19 which is diverged from the center to the periphery is arranged on the self-centering forming ring 12; the outer circle clamping jaw 15 is fixedly connected with an I-shaped guide rail 14, the I-shaped guide rail 14 is arranged in a shell 16 in a sliding mode, a vertical screw 13 is installed on the top surface of the I-shaped guide rail 14, and the screw 13 is arranged in the arc-shaped guide groove 19.

In the embodiment, a hook clamping groove 17 is formed in one of the outer circle clamping jaws 15; the inner side surface of the excircle jaw opposite to the excircle jaw is provided with a mica pin 18 which can be positioned by adopting various positioning forms such as a hook, a mica groove and the like.

The embodiment also comprises a positioning pin 8, and the positioning pin 8 penetrates the center frame 3 and the armature positioning ring 7 from the side.

The film pressing base 1 and the center frame 3, and the center frame 3 and the upper mold pressing plate 5 of this embodiment are provided with positioning sleeves, and the positioning sleeves are sleeved on the columns 10. The positioning sleeve comprises a positioning long sleeve 2 and a positioning short sleeve 4. The distance between the film pressing base and the center frame and the distance between the center frame and the upper pressing plate can be changed by using the positioning sleeves with different lengths.

For ease of understanding, the working principle of the present embodiment is given below:

the utility model discloses can utilize automatic servo press, the multiple commutator mould of pressure equipment. The outer circle clamping jaws can be synchronously retracted and extended, the rotating rod rotates to drive the self-centering forming ring to rotate, the arc-shaped guide groove on the self-centering forming ring acts on the screw arranged on the I-shaped guide rail, the screw is forced to drive all the I-shaped guide rails and the outer circle clamping jaws to synchronously move, the function of adjusting the diameter of the positioning outer circle of the commutator is realized, and the diameter of the positioning outer circle of the commutator is changed; the sizes of the armature positioning ferrule and the iron core positioning ferrule which have different diameters can be replaced to meet the requirements of armature iron cores with different diameters, so that one set of die is suitable for most products.

The specific application is as follows:

according to 500 new products, the qualification rate of the conventional armature press-mounting commutator is 95 percent, only 25 defective armature products exist, and the cost loss is 50 yuan/piece × 25 to 1250 yuan; the working time cost is 5 yuan/piece × 25 yuan 125 yuan. The aggregate loss 1250+125 is 1375 dollars. The yield after the attack is 99.5%, the defective products are 2, the cost is lost by 100 yuan, the labor cost is 10 yuan, and the total loss is 100+10 to 110 yuan. The monthly recoup of the direct loss 1375-. The improvement of the quality of the armature core can assist the improvement of the winding and embedding process efficiency, and the production cost of the inserted wire is saved. The key point is that if the press-fitting commutator of a new product needs to be provided with a die, the die cost needs about 2000 yuan, and the die manufacturing period is 2-3 months, however, the rotary centering frame tool only needs to adjust the clamping size, so that the production requirement of the product can be met, the manufacturing cost is reduced, the production period is shortened, the quality problem of the motor is solved, and the influence on the market caused by the influence on delivery time due to the absence of the tool is avoided. Therefore, the utility model discloses a use has better benefit.

Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.

Claims

1. The utility model provides a commutator pressure equipment frock with adjustable which characterized in that: the device comprises a film pressing base (1), a center frame (3) and an upper pressing plate (5) which are connected together from bottom to top through a stand column (10), wherein the bottom of the upper pressing plate (5) is provided with a commutator excircle positioning module (6);

the outer circle positioning module (6) of the commutator is provided with outer circle clamping jaws (15) distributed in a circumferential array shape, and a plurality of outer circle clamping jaws (15) can synchronously approach or leave to a central point;

the center frame (3) is provided with a replaceable armature positioning ferrule (7);

the film pressing base (1) is provided with a replaceable iron core positioning ferrule (9).

2. The adjustable commutator press-fitting tool according to claim 1, wherein: the commutator excircle positioning module (6) also comprises a rotating rod (11), the bottom of the rotating rod (11) is fixedly connected with a self-centering forming ring (12), and an arc-shaped guide groove (19) which is diverged from the center to the periphery is arranged on the self-centering forming ring (12);

excircle jack catch (15) fixed connection I shape guide rail (14), I shape guide rail (14) slide to set up in casing (16), vertical screw (13) are installed to I shape guide rail (14) top surface, screw (13) set up arc guide slot (19) in.

3. The adjustable commutator press-fitting tool according to claim 2, wherein: one of the outer circle clamping jaws (15) is provided with a hook clamping groove (17).

4. The adjustable commutator press-fitting tool according to claim 2 or 3, wherein: the inner side surface of one of the excircle claws (15) is provided with a mica pin (18).

5. The adjustable commutator press-fitting tool according to claim 1 or 2, wherein: the armature positioning device further comprises a positioning pin (8), and the center frame (3) and the armature positioning ferrule (7) are inserted together from the side face of the positioning pin (8).

6. The adjustable commutator press-fitting tool according to claim 1 or 2, wherein: the film pressing machine is characterized in that positioning sleeves are arranged between the film pressing base (1) and the center frame (3) and between the center frame (3) and the upper pressing plate (5), and the positioning sleeves are sleeved on the stand columns (10).

7. The adjustable commutator press-fitting tool according to claim 6, wherein: the positioning sleeve comprises a positioning long sleeve (2) and a positioning short sleeve (4).