CN217343526U

CN217343526U - Improved die-casting outer rotor edge pouring die

Info

Publication number: CN217343526U
Application number: CN202123436804.0U
Authority: CN
Inventors: 冯岭
Original assignee: Taizhou Mingjian Precision Machine Mould Co ltd
Current assignee: Taizhou Mingjian Precision Machine Mould Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-02
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a rotor production technical field, and disclose an improved generation die-casting external rotor limit advances to water mould, including the external mold, the top wall fixed mounting of external mold has sealed the pad, and the inside below fixed mounting of external mold has central mould, and the arc wall has been seted up to the top wall of central mould, and the bottom wall of central mould and the bottom wall of external mold are located the coplanar, and the inside fixed mounting of external mold has the stock ring, and the inner wall of stock ring and the inner wall of external mold are located the coplanar, and the bottom wall of central mould distributes and has seted up four and advance to water the hole uniformly. The utility model discloses in, sealed piece will be promoted to the direction of advancing the hole of watering after the inside that the air entered into the mounting groove and remove to make sealed piece seal into advancing the hole of watering, and then make the automatic shutdown to the injection of raw materials, and can not have the raw materials to stop to advance the inside of watering the hole and be connected with fashioned rotor, let the more perfect on surface of rotor, improved the yield.

Description

Improved die-casting outer rotor edge pouring die

Technical Field

The utility model relates to a rotor production technical field especially relates to an improved generation die-casting external rotor limit advances to water mould.

Background

Existing pouring molds in the market at present have raw materials remained in pouring holes when pouring raw materials, so that some flaws can appear on formed products, and the yield is influenced. Therefore, an improved die casting outer rotor edge pouring die is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide an improved generation die-casting external rotor limit advances to water the mould.

In order to achieve the purpose, the utility model adopts the following technical scheme that an improved die-casting outer rotor edge pouring die comprises an outer die, wherein a sealing gasket is fixedly arranged on the top wall surface of the outer die, a central die is fixedly arranged below the inner part of the outer die, an arc-shaped groove is formed in the top wall surface of the central die, the bottom wall surface of the central die and the bottom wall surface of the outer die are positioned on the same plane, a shaping ring is fixedly arranged inside the outer die, the inner wall of the shaping ring and the inner wall of the outer die are positioned on the same plane, four pouring holes are uniformly formed in the bottom wall surface of the central die, air cavities are respectively formed above the inner wall of the outer die and corresponding to the pouring holes, driving blocks are movably arranged inside the air cavities, one side wall surface close to the four driving blocks is attached to the inner wall of the outer die, a mounting groove is formed in the outer die and corresponding to the pouring holes, the mounting groove is in a shape which the size is consistent with the size above the inner part of the pouring holes, the mounting groove has run through the inner wall of advancing the watering hole and has advanced the inside intercommunication in watering hole, and the inside movable mounting of mounting groove has sealed piece, and the shape of sealed piece is unanimous with the shape of mounting groove, and the air flue has been seted up to the bottom of air cavity, and the air flue downwardly extending to the inside of mounting groove and the inside intercommunication of mounting groove.

Preferably, the four pouring holes are formed in the positions far away from the center of the center die, and the pouring holes are L-shaped holes.

Preferably, the pouring hole penetrates through the inner wall of the shaping ring upwards to be communicated with the inside of the outer die, and the pouring hole is gradually enlarged from top to bottom.

Preferably, a reset groove is formed in one side wall surface, away from the sealing block, of the mounting groove, a reset spring is fixedly mounted in the reset groove, and one end, away from the reset groove, of the reset spring is fixedly connected with one side wall surface of the sealing block.

Preferably, two flow guide blocks are fixedly mounted inside the air passage, each flow guide block is a block with a triangular structure, and one side wall surface close to each flow guide block is an inclined surface.

Advantageous effects

The utility model provides an improved generation die-casting external rotor limit advances to water the mould. The method has the following beneficial effects:

(1) the improved die-casting outer rotor edge pouring die comprises an outer die, a central die, a die-casting machine, a sealing gasket, a semi-finished rotor, a fixing ring and a sealing block, wherein the outer die is arranged in the die, the central die is arranged in the outer die, the sealing gasket is made of soft material, when the die-casting machine is in contact with the outer die, the sealing gasket is deformed to enable the outer die and the die-casting machine to be in a sealing state, the semi-finished rotor is arranged in the semi-finished rotor, raw materials are injected into the outer die through the pouring hole, the pouring hole penetrates through the fixing ring to be communicated with the inside of the outer die, the raw materials are in contact with the semi-finished rotor in the outer die, an air cavity is formed in the outer die, a transmission block is arranged in the air cavity, a mounting groove communicated with the pouring hole is formed in the outer die, a sealing block is movably arranged in the mounting groove, and when the raw materials in the outer die are filled in the outer die, the transmission block can be extruded by the raw materials in the outer die, make the transmission piece remove to the inside of air cavity, will extrude the inside air of air cavity when the transmission piece removes in the inside of air cavity, the extrusion makes the inside air of air cavity pass through the air flue and is carried the inside of mounting groove, sealed piece will be promoted and remove to the direction of advancing the watering hole after the inside that the air entered into the mounting groove, thereby make sealed piece seal advancing the watering hole, and then make automatic stop to the injection of raw materials, and can not have the raw materials to stop and advance the inside of watering the hole and be connected with fashioned rotor, let the more perfect in surface of rotor, the yield has been improved.

(2) This improved generation die-casting external rotor advances to water mould on limit, because advance to water the hole and keep away from the center of a circle of central mould and set up, when carrying out the raw materials pouring, can make the raw materials more fast and evenly fill up the inside of external mold, and then can promote the rotor and cast aluminium filling rate, promote motor efficiency behind the rotor equipment motor, reduce rotor defective rate and motor noise, promote mould life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 2 according to the present invention.

Illustration of the drawings:

1. an outer mold; 2. a center die; 3. shaping rings; 4. feeding a pouring hole; 5. an air cavity; 6. a transmission block; 7. mounting grooves; 8. a sealing block; 9. an airway; 10. a reset groove; 11. a return spring; 12. a gasket; 13. and a flow guide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example (b): an improved die-casting outer rotor edge pouring die is shown in figures 1-3 and comprises an outer die 1, wherein the outer die 1 is of a circular structure, a sealing gasket 12 is fixedly installed on the top wall surface of the outer die 1, the sealing gasket 12 is of a circular structure made of soft materials, a central die 2 is fixedly installed below the inner portion of the outer die 1, the central die 2 is of a cylindrical structure, an arc-shaped groove is formed in the top wall surface of the central die 2, the bottom wall surface of the central die 2 and the bottom wall surface of the outer die 1 are located on the same plane, a shaping ring 3 is fixedly installed inside the outer die 1, the shaping ring 3 is of a circular structure, the inner wall of the shaping ring 3 and the inner wall of the outer die 1 are located on the same plane, four pouring holes 4 are uniformly formed in the bottom wall surface of the central die 2, air cavities 5 are formed in positions, corresponding to the pouring holes 4, above the inner wall of the outer die 1, the air cavities 5 are grooves of a rectangular structure, and transmission blocks 6 are movably installed inside the air cavities 5, the driving block 6 is the rectangle piece unanimous with the inside size of air cavity 5, and the inner wall of four driving blocks 6 close one side wall face and external mold 1 laminates mutually, the inside of external mold 1 corresponds the position of entering watering hole 4 and has seted up mounting groove 7, mounting groove 7 is the shape unanimous with the inside top size of entering watering hole 4, mounting groove 7 has run through the inner wall of entering watering hole 4 and has advanced the inside intercommunication of watering hole 4, the inside movable mounting of mounting groove 7 has sealed piece 8, the shape of sealed piece 8 is unanimous with the shape of mounting groove 7, air flue 9 has been seted up to the bottom of air cavity 5, air flue 9 downwardly extending to the inside of mounting groove 7 and the inside intercommunication of mounting groove 7.

The four pouring inlet holes 4 are formed in the positions, far away from the circle center of the central die 2, of the L-shaped structure, the pouring inlet holes 4 penetrate through the inner wall of the shaping ring 3 upwards and are communicated with the inside of the outer die 1, and the pouring inlet holes 4 are gradually enlarged from top to bottom.

A reset groove 10 is formed in one side wall face, away from the sealing block 8, of the mounting groove 7, the reset groove 10 is of a rectangular structure, a reset spring 11 is fixedly mounted inside the reset groove 10, and one end, away from the reset groove 10, of the reset spring 11 is fixedly connected with one side wall face of the sealing block 8.

Two flow guide blocks 13 are fixedly installed inside the air passage 9, the flow guide blocks 13 are triangular blocks, and one side wall surface close to the two flow guide blocks 13 is an inclined surface.

The utility model discloses a theory of operation:

when the die casting machine is used, the outer die 1 is installed in a die, the central die 2 is installed in the outer die 1, the die casting machine is installed on the outer die 1, the outer die 1 is provided with the sealing gasket 12, the material of the sealing gasket 12 is soft, when the die casting machine is in contact with the outer die 1, the sealing gasket 12 deforms to enable the space between the outer die 1 and the die casting machine to be in a sealing state, a semi-finished rotor is installed, raw materials are injected into the outer die 1 through the pouring hole 4, the pouring hole 4 penetrates through the shaping ring 3 to be communicated with the inside of the outer die 1, the raw materials are in contact with the semi-finished rotor in the outer die 1, the inner part of the outer die 1 is provided with the air cavity 5, the inner part of the air cavity 5 is provided with the transmission block 6, the inner part of the outer die 1 is further provided with the installation groove 7 communicated with the pouring hole 4, the inner part of the installation groove 7 is movably provided with the sealing block 8, when the raw materials in the outer die 1 are filled, the raw materials in the outer die 1 can extrude the transmission block 6, make transmission block 6 remove to the inside of air cavity 5, will extrude the inside air of air cavity 5 when transmission block 6 removes in the inside of air cavity 5, the extrusion makes the inside air of air cavity 5 pass through air flue 9 and is carried the inside of mounting groove 7, sealed piece 8 will be promoted and remove to the direction of advancing watering hole 4 after the air enters into the inside of mounting groove 7, thereby make sealed piece 8 seal advancing watering hole 4, and then make automatic stop to the injection of raw materials, and there is not the raw materials to stop to advance watering hole 4's inside and be connected with fashioned rotor, let the surface of rotor more perfect, the yield is improved.

Because it offers to advance to water hole 4 and keep away from the centre of a circle of center die 2, when carrying out the raw materials pouring, can make the raw materials more fast and fill up the inside of external mold 1 evenly, and then can promote the rotor and cast aluminium filling rate, promote motor efficiency behind the rotor equipment motor, reduce rotor defective rate and motor noise, promote mould life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved generation die-casting external rotor limit advances to water mould, includes external mold (1), its characterized in that: the top wall surface of the outer die (1) is fixedly provided with a sealing gasket (12), the lower part inside the outer die (1) is fixedly provided with a central die (2), the top wall surface of the central die (2) is provided with an arc-shaped groove, the bottom wall surface of the central die (2) and the bottom wall surface of the outer die (1) are positioned on the same plane, the inner part of the outer die (1) is fixedly provided with a shaping ring (3), the inner wall of the shaping ring (3) and the inner wall of the outer die (1) are positioned on the same plane, the bottom wall surface of the central die (2) is uniformly provided with four pouring holes (4), air cavities (5) are arranged above the inner wall of the outer die (1) and correspond to the pouring holes (4), transmission blocks (6) are movably arranged inside the air cavities (5), one side wall surface of the four transmission blocks (6) is attached to the inner wall surface of the outer die (1), the inner part of the outer die (1) and the mounting grooves (7) are arranged corresponding to the pouring holes (4), mounting groove (7) are for with the shape of advancing the inside top size unanimity of watering hole (4), mounting groove (7) have run through the inner wall of advancing watering hole (4) and have advanced the inside intercommunication of watering hole (4), the inside movable mounting of mounting groove (7) has sealed piece (8), the shape of sealed piece (8) is unanimous with the shape of mounting groove (7), air flue (9) have been seted up to the bottom of air cavity (5), air flue (9) downwardly extending to the inside of mounting groove (7) and the inside intercommunication of mounting groove (7).

2. The improved die-casting outer rotor edge pouring die as claimed in claim 1, wherein: the four pouring inlet holes (4) are formed in the positions far away from the circle center of the central die (2), and the pouring inlet holes (4) are L-shaped holes.

3. The improved die-casting outer rotor edge pouring die as claimed in claim 1, wherein: the pouring hole (4) penetrates through the inner wall of the shaping ring (3) upwards and is communicated with the inside of the outer die (1), and the pouring hole (4) is gradually enlarged from top to bottom.

4. The improved die-casting outer rotor edge pouring die as claimed in claim 1, wherein: a reset groove (10) is formed in one side wall face, away from the sealing block (8), of the interior of the mounting groove (7), a reset spring (11) is fixedly mounted in the reset groove (10), and one end, away from the reset groove (10), of the reset spring (11) is fixedly connected with one side wall face of the sealing block (8).

5. The improved die-casting outer rotor edge pouring die as claimed in claim 1, wherein: two flow guide blocks (13) are fixedly mounted inside the air passage (9), each flow guide block (13) is a block with a triangular structure, and one side wall face, close to each of the two flow guide blocks (13), of each flow guide block is an inclined plane.