CN211489562U

CN211489562U - Iron core forming die for switched reluctance motor

Info

Publication number: CN211489562U
Application number: CN201921751646.8U
Authority: CN
Inventors: 付建刚; 高佃兴; 肖刚
Original assignee: Zibo Wein Power Technology Co ltd
Current assignee: Zibo Wein Power Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-09-15
Anticipated expiration: 2029-10-14

Abstract

The utility model belongs to the technical field of the mould is made, especially, switched reluctance motor iron core forming die to the problem of the cool time overlength of iron core die casting die iron core among the prior art, now propose following scheme, it includes the die body of two halfcylinders, two all set up the die cavity of mutually supporting on the die body, two the runner with the die cavity intercommunication is all seted up on the top of die body, two the cooling chamber, two have all been seted up to the inside of die body all install the coolant liquid that communicates each other with the cooling chamber on the lateral wall of die body and take over, one of them install the connecting pipe with the cooling chamber intercommunication on the die body, another set up on the die body with connecting pipe complex connector. The utility model discloses set up the cooling chamber inside the iron core die casting die, the coolant liquid surrounds and cools off fast the iron core in the outside of die cavity when the iron core shaping, has not only improved production efficiency, can also show the comprehensive mechanical properties who improves the shaping iron core.

Description

Iron core forming die for switched reluctance motor

Technical Field

The utility model relates to a mould manufacturing technical field especially relates to a switched reluctance motor iron core forming die.

Background

The die is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity.

The iron core of the motor is generally produced by a die casting method, a corresponding die is firstly manufactured, then raw materials in a molten state are poured into the die to fill a cavity, then a certain pressure is applied to a pouring gate to promote the raw materials to be uniformly distributed in the cavity, and finally the die is opened after the raw materials are cooled to take out the formed iron core. The existing iron core die-casting die has certain defects when in use, raw materials need a long time to be cooled and solidified after being poured into a pouring gate, and the surface quality and the comprehensive mechanical property of the iron core formed by adopting a natural cooling mode are poor, so that the production efficiency and the product quality are not high, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the cooling time overlength of iron core die casting die iron core among the prior art, and the switched reluctance motor iron core forming die who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a switched reluctance motor iron core forming die, includes the die body of two halfcylinders, two the die cavity of mutually supporting is all seted up on the die body, two the runner with the die cavity intercommunication is all seted up on the top of die body, two the cooling chamber, two are all seted up to the inside of die body all install the coolant liquid that communicates each other with the cooling chamber on the lateral wall of die body and take over, one of them install the connecting pipe with cooling chamber intercommunication on the die body, another set up on the die body with connecting pipe complex connector, set up the opening of circulation with cooling chamber intercommunication on the inner wall of connector, the opening of circulation is taken over with the coolant liquid and is located the both ends of die body respectively.

Preferably, four insertion blocks are symmetrically installed on one of the die bodies, slots matched with the four insertion blocks are symmetrically formed in the other die body, and each insertion block is provided with a clamping mechanism.

Preferably, the buckle mechanism comprises wedge-shaped clamping blocks, each inserting block is provided with a mounting port, a spring is mounted on the bottom wall of the mounting port, the wedge-shaped clamping blocks are mounted at the top ends of the springs, and clamping grooves matched with the wedge-shaped clamping blocks are formed in the inner walls of the slots.

Preferably, a button corresponding to the wedge-shaped fixture block is inserted into the inner wall of the clamping groove and extends to the outer side of the die body.

Preferably, a sealing ring is mounted on the inner wall of the connecting port on the side close to the flow port.

Preferably, the end parts of the insert block and the connecting pipe are respectively provided with an oblique angle.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses set up the cooling chamber in iron core die casting die inside, the coolant liquid surrounds in the outside of die cavity and carries out quick cooling to the iron core when the iron core shaping, has not only improved production efficiency, can also show the comprehensive mechanical properties who improves the shaping iron core;

2. carry out split type design to the mould, conveniently take out the iron core after the iron core shaping, set up convenient buckle mechanism simultaneously and connect two die bodies, easy operation has further improved the work efficiency when iron core production.

Drawings

Fig. 1 is a top view of a forming mold for a switched reluctance motor core according to the present invention;

fig. 2 is a sectional view of a-a of a switched reluctance motor core forming mold according to the present invention;

fig. 3 is a cross-sectional view of a B-B of a switched reluctance motor core forming mold provided by the present invention;

fig. 4 is an enlarged view of a structure of a part C of a switched reluctance motor core forming die provided by the present invention;

fig. 5 is the utility model provides a D partial structure's of switched reluctance motor iron core forming die enlargedly.

In the figure: the device comprises a die body 1, a die cavity 2, a pouring gate 3, a cooling cavity 4, a cooling liquid connecting pipe 5, a connecting pipe 6, a circulating port 7, a connecting port 8, a sealing ring 9, an inserting block 10, an inserting groove 11, a mounting port 12, a wedge-shaped clamping block 13, a clamping groove 14 and a button 15.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Example one

Referring to fig. 1-2 and 4, a mold for molding an iron core of a switched reluctance motor comprises two half-cylinder mold bodies 1, wherein the two mold bodies 1 are respectively provided with a cavity 2 which is matched with each other, the top ends of the two mold bodies 1 are respectively provided with a sprue 3 which is communicated with the cavity 2, when the iron core is produced, molten raw materials are poured into the cavities from the sprue 3, the interiors of the two mold bodies 1 are respectively provided with a cooling cavity 4, the outer side walls of the two mold bodies 1 are respectively provided with a cooling liquid connecting pipe 5 which is communicated with the cooling cavity 4, one mold body 1 is provided with a connecting pipe 6 which is communicated with the cooling cavity 4, the other mold body 1 is provided with a connecting port 8 which is matched with the connecting pipe 6, the inner wall of the connecting port 8 is provided with a circulation port 7 which is communicated with the cooling cavity 4, the inner wall of the side of the 8 which is close to the circulation port, so that the cooling liquid can uniformly flow through the cooling cavity 4, and the cooling effect is improved.

The utility model discloses a theory of operation does: merge two die bodies 1, and make connecting pipe 6 insert in connector 8, 4 intercommunications in the cooling chamber in two die bodies 1, then add the raw materials in beginning to the die cavity 2 through runner 3, and exert certain pressure auxiliary raw materials and flow, let in cooling chamber 4 in the coolant liquid takeover 5 of coolant liquid follow one side afterwards, the coolant liquid is at the inside flow of cooling chamber 4 and take over 5 outflow from another coolant liquid, carry out quick cooling to the raw materials of 2 inside die cavities, after the cooling, open two die bodies 1, can take off fashioned iron core.

Example two

Referring to fig. 1-5, on the basis of the first embodiment, four insert blocks 10 are symmetrically installed on one of the mold bodies 1, slots 11 matched with the four insert blocks 10 are symmetrically installed on the other mold body 1, each insert block 10 is provided with a fastening mechanism, each fastening mechanism comprises a wedge-shaped fixture block 13, each insert block 10 is provided with an installation port 12, a spring is installed on the bottom wall of each installation port 12, the wedge-shaped fixture block 13 is installed on the top end of the spring, a clamping groove 14 matched with the wedge-shaped fixture block 13 is formed in the inner wall of each slot 11, a button 15 corresponding to the position of the wedge-shaped fixture block 13 is inserted into the inner wall of each clamping groove 14, the button 15 extends to the outer side of the mold body 1, oblique angles are respectively inverted at the end portions of the insert blocks 10 and the connecting pipes 6, and the insert blocks 10 and.

When connecting two die bodies 1, with the position alignment, make the inserted block 10 aim at slot 11, then press close to two die bodies 1, inserted block 10 inserts in slot 11, because the structural characteristic of wedge fixture block 13, and its bottom is provided with the spring, consequently wedge fixture block 13 can be pressed down earlier, then bounce the card again in draw-in groove 14 when wedge fixture block 13 reachs draw-in groove 14 position, the completion is to the connection and the fixing of two die bodies 1, when needing to open the mould, press four buttons 15, wedge fixture block 13 is pressed down, can extract slot 11 with inserted block 10, and then two separate die bodies.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A switched reluctance motor iron core forming die comprises two half-cylinder bodies (1), wherein cavities (2) which are matched with each other are formed in the two half-cylinder bodies (1), a pouring gate (3) communicated with the cavities (2) is formed in the top ends of the two half-cylinder bodies (1), it is characterized in that the two die bodies (1) are both internally provided with cooling cavities (4), the outer side walls of the two die bodies (1) are both provided with cooling liquid connecting pipes (5) which are mutually communicated with the cooling cavities (4), one of the die bodies (1) is provided with a connecting pipe (6) communicated with the cooling cavity (4), the other die body (1) is provided with a connecting port (8) matched with the connecting pipe (6), a circulating port (7) communicated with the cooling cavity (4) is arranged on the inner wall of the connecting port (8), the circulation port (7) and the cooling liquid connecting pipe (5) are respectively positioned at two ends of the die body (1).

2. The switched reluctance motor core forming die according to claim 1, wherein four insert blocks (10) are symmetrically installed on one die body (1), slots (11) which are matched with the four insert blocks (10) are symmetrically formed in the other die body (1), and each insert block (10) is provided with a buckling mechanism.

3. The switched reluctance motor core forming die according to claim 2, wherein the fastening mechanism comprises wedge-shaped fixture blocks (13), each insert block (10) is provided with a mounting opening (12), a spring is mounted on a bottom wall of the mounting opening (12), the wedge-shaped fixture blocks (13) are mounted at a top end of the spring, and a clamping groove (14) matched with the wedge-shaped fixture blocks (13) is formed in an inner wall of the slot (11).

4. The mold for molding the switched reluctance motor core according to claim 3, wherein a button (15) corresponding to the wedge-shaped fixture block (13) is inserted on the inner wall of the slot (14), and the button (15) extends to the outer side of the mold body (1).

5. The forming die for the switched reluctance motor iron core according to claim 1, wherein the inner wall of the connecting port (8) near the side of the circulating port (7) is provided with a sealing ring (9).

6. The mold for molding the switched reluctance motor core according to claim 2, wherein the ends of the insert block (10) and the connecting pipe (6) are both chamfered.