CN219311830U

CN219311830U - Compression mould for commutator

Info

Publication number: CN219311830U
Application number: CN202320647225.0U
Authority: CN
Inventors: 高志永; 肖友刚; 潘光进; 岺超海
Original assignee: Zhejiang Songpu Commutator Co ltd
Current assignee: Zhejiang Songpu Commutator Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-07
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a commutator compression molding die which comprises a lower die body, wherein a die cavity is formed in the top of the lower die body, a clip groove piece is formed in the top of the lower die body and positioned on the outer side of the die cavity, a shock pad is fixedly arranged at the top of the clip groove piece, a clip hole is formed in the bottom of the clip groove piece, a spring is fixedly arranged at the bottom of an inner cavity of the clip hole, and the top of the lower die body is attached with an upper die body; through the setting of shock pad, avoid last mould body and bed die body direct contact to reduce the collision jolt force when both are pressed, and then protect each bed die body of last mould body, the inner chamber in card hole is equipped with the spring, consequently can with spring contact when the card Kong Hou is gone into to the card pole card, through the elasticity characteristic of spring, forms ascending elasticity to the card pole, and this ascending elasticity forms the buffer force, and then reduces the collision force when last mould body and bed die body are pressed, protects last mould body and bed die body.

Description

Compression mould for commutator

Technical Field

The utility model relates to the field of compression molds, in particular to a commutator compression mold.

Background

The commutator is a main component in a motor and is generally composed of commutator segments and bakelite main body, a compression mould is needed in the manufacture of the commutator, the compression mould is simply called a compression mould, and is generally composed of an upper mould and a lower mould, and the commutator is a structure which is formed by enabling raw materials to be in a flowing state under the action of heating and pressure and filling a cavity, and then hardening and shaping the product through chemical crosslinking or physical cooling.

At present, a buffer structure is not arranged between an upper die and a lower die of the commutator compression molding die, and a larger collision force is formed when the upper die and the lower die are pressed together, so that the upper die and the lower die are damaged for a long time.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a commutator compression molding die, which solves the problems that the prior commutator compression molding die has no buffer structure between an upper die and a lower die, and the upper die and the lower die can be damaged due to the fact that larger collision force is formed when the upper die and the lower die are pressed together.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a commutator compression mold, includes the bed die body, the die cavity has been seted up at the top of bed die body, the clip groove spare that returns shape has been seted up at the top of bed die body and is located the outside of die cavity, the shock pad has been set firmly at the top of clip groove spare that returns shape, the draw-in hole has been seted up to the bottom of clip groove spare, the bottom fixed mounting of draw-in hole inner chamber has the spring, the top laminating of bed die body has last mould body, the cardboard has been set firmly to the bottom of last mould body, the bottom of cardboard and the bottom joint of clip groove spare inner chamber that returns shape, the bottom welding of cardboard has the draw-in bar, the bottom of draw-in bar and the inner chamber joint of draw-in hole, the top of spring is laminated with the bottom of draw-in bar.

As a preferable technical scheme of the utility model, mounting plates are welded on two sides of the lower die body and the upper die body, and mounting holes are formed in the surfaces of the mounting plates.

As a preferable technical scheme of the utility model, a fixing rod is welded on the surface of the lower die body, and the inner side of the fixing rod is attached to the outer sides of the clip groove part and the shock pad.

As a preferable technical scheme of the utility model, the surfaces of the lower die body, the clip groove part, the upper die body, the clip plate and the clip rod are coated with protective layers, and the protective layers are antirust layers.

As a preferable technical scheme of the utility model, the corners of the lower die body and the upper die body are provided with arc-shaped surfaces.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the setting of shock pad, avoid last mould body and bed die body direct contact to reduce the collision jolt force when both are pressed, and then protect each bed die body of last mould body, the inner chamber in card hole is equipped with the spring, consequently can with spring contact when the card Kong Hou is gone into to the card pole card, through the elasticity characteristic of spring, forms ascending elasticity to the card pole, and this ascending elasticity forms the buffer force, and then reduces the collision force when last mould body and bed die body are pressed, protects last mould body and bed die body.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a perspective view of the lower die body of the present utility model;

FIG. 3 is a bottom perspective view of the structure of the upper die body of the present utility model;

fig. 4 is an enlarged view of a portion of the structure of fig. 2 a in accordance with the present utility model.

Wherein: 1. a lower die body; 2. a mold cavity; 3. a clip groove member in a shape of a loop; 4. a shock pad; 5. a clamping hole; 6. a spring; 7. an upper die body; 8. a clamping plate; 9. a clamping rod; 10. a mounting plate; 11. a mounting hole; 12. and a fixing rod.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a commutator compression molding die, which comprises a lower die body 1, wherein a die cavity 2 is formed in the top of the lower die body 1, a clip groove part 3 is formed in the top of the lower die body and positioned on the outer side of the die cavity 2, a shock pad 4 is fixedly arranged at the top of the clip groove part 3, a clip hole 5 is formed in the bottom of the clip groove part 3, a spring 6 is fixedly arranged at the bottom of an inner cavity of the clip hole 5, an upper die body 7 is attached to the top of the lower die body 1, a clip plate 8 is fixedly arranged at the bottom of the upper die body 7, the bottom of the clip plate 8 is in clip connection with the bottom of the inner cavity of the clip groove part 3, a clip rod 9 is welded at the bottom of the clip plate 8, the bottom of the clip rod 9 is in clip connection with the inner cavity of the clip hole 5, and the top of the spring 6 is attached to the bottom of the clip rod 9.

The theory of operation and the beneficial effect of this structure, during the use, install the device on external compression moulding equipment through mounting panel 10 and mounting hole 11 and the cooperation of external lead screw, the raw materials that need be used with the commutator compression moulding are poured into die cavity 2 afterwards, make through external compression moulding equipment after accomplishing and go up mould body 7 and bed die body 1 pressfitting together, through the setting of shock pad 4, avoid going up mould body 7 and bed die body 1 direct contact, and reduce the collision shock force when both are pressed, and then protect 7 bed die bodies 1 of going up mould body, simultaneously when last mould body 7 and bed die body 1 are pressed, cardboard 8 can block into the inner chamber of return-form draw-in groove spare 3, the draw-in bar 9 card that corresponds goes into draw-in hole 5 inner chamber, because the inner chamber of draw-in hole 5 is equipped with spring 6, consequently, can contact with spring 6 after draw-in the draw-in bar 9 card, through the elasticity characteristic of spring 6, form ascending elasticity to draw-in bar 9, this upward elasticity forms the buffer force, and then reduces the collision force when going up mould body 7 and bed die body 1 pressfitting, protect with bed die body 7.

In other embodiments, as shown in fig. 1, mounting plates 10 are welded on both sides of the lower die body 1 and the upper die body 7, and mounting holes 11 are formed in the surfaces of the mounting plates 10.

The working principle and the beneficial effects of the technical characteristics are that the corresponding lower die body 1 and the upper die body 7 are convenient to be installed on external compression molding equipment through the matching of the mounting plate 10 and the mounting hole 11.

In other embodiments, as shown in fig. 1, a fixing rod 12 is welded to the surface of the lower die body 1, and the inner side of the fixing rod 12 is attached to the outer sides of the clip groove member 3 and the shock pad 4.

The technical characteristics of the shock pad and the clip groove part 3 are limited by the fixing rod 12 according to the working principle and the beneficial effects, and the stability of the shock pad and the clip groove part is improved.

In other embodiments, as shown in fig. 1, the surfaces of the lower mold body 1, the clip groove 3, the upper mold body 7, the clip plate 8 and the clip rod 9 are coated with a protective layer, and the protective layer is a rust-proof layer.

The working principle and the beneficial effects of the technical characteristics are that the structures such as the lower die body 1 and the upper die body 7 are protected through the protection layer, so that the structures are prevented from being damaged due to corrosion by rust.

In other embodiments, as shown in fig. 1, the corners of the lower die body 1 and the upper die body 7 are provided with arc surfaces.

The technical characteristics of the water chestnut automatic feeding device has the working principle and beneficial effects that the arc-shaped surface is arranged to enable the surface of the upper die body 7 of the lower die body 1 to be free of water chestnut, so that a user can be prevented from being scratched by the water chestnut due to accidents.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Commutator compression mold, including bed die body (1), its characterized in that: die cavity (2) have been seted up at the top of bed die body (1), return shape draw-in groove spare (3) have been seted up in the top of bed die body (1) and are located the outside of die cavity (2), return shape draw-in groove spare (3)'s top has set firmly shock pad (4), draw-in hole (5) have been seted up to the bottom of return shape draw-in groove spare (3), the bottom fixed mounting in draw-in hole (5) inner chamber has spring (6), the laminating of the top of bed die body (1) has last mould body (7), cardboard (8) have been set firmly to the bottom of last mould body (7), the bottom of cardboard (8) and the bottom joint of return shape draw-in groove spare (3) inner chamber, the bottom welding of cardboard (8) has draw-in bar (9), the bottom of draw-in bar (9) and the inner chamber joint of draw-in hole (5), the top of spring (6) and the laminating of draw-in bar (9).

2. The commutator compression mold of claim 1, wherein: the two sides of the lower die body (1) and the upper die body (7) are welded with mounting plates (10), and mounting holes (11) are formed in the surfaces of the mounting plates (10).

3. The commutator compression mold of claim 1, wherein: the surface welding of bed die body (1) has dead lever (12), the inboard of dead lever (12) is laminated with the outside of returning shape draw-in groove spare (3) and shock pad (4).

4. The commutator compression mold of claim 1, wherein: the surface of the lower die body (1), the clip groove piece (3), the upper die body (7), the clip plate (8) and the clip rod (9) is coated with a protective layer, and the protective layer is a rust-proof layer.

5. The commutator compression mold of claim 1, wherein: arc surfaces are formed at the corners of the lower die body (1) and the upper die body (7).