CN209773398U - Mold core for stator frame mold - Google Patents

Abstract

The utility model discloses a mold core for a stator frame mold, which belongs to the casting field, and the key points of the technical proposal are that the mold core comprises a model, a casting channel mold core fixedly connected with the model, a feeding riser fixedly arranged on the upper surface of the model and a flat riser fixedly arranged on the upper surface of the model; the feeding head comprises a connecting part in a square tubular shape and an accommodating part fixedly arranged at the top end of the connecting part, and the accommodating part is in an inverted quadrangular frustum pyramid shape; the flat riser comprises an inverted quadrangular frustum pyramid-shaped fixing part and a square tubular discharging part fixedly arranged at the top end of the fixing part; the number of the feeding heads is four, the four feeding heads are distributed in a square shape with four sharp corners, and the flat feeding heads are uniformly distributed on the top surface of the model. The utility model provides a can damage the technical problem of stator under the prior art when beating the protruding, reached and to have reduced the effect to the damage of stator, be applied to in the manufacturing of stator machine.

Description

Mold core for stator frame mold

Technical Field

The utility model relates to a casting mould, more specifically the theory that says so, it relates to a mold core for stator frame mould.

Background

In the manufacturing process of the stator frame mold, a cavity is manufactured through a mold core, and the mold core is commonly called as a mud core or a core; the internal structure of the casting is formed during casting, and the casting is usually made of core sand prepared from raw sand and a binder (water glass, resin and the like) manually or mechanically in a core box.

The stator frame has a large volume, so a riser is required to be reserved on the die, and the riser is a supplementary part which is added above or on the side surface of the casting to avoid the defect of the casting. The function of the feeder head is in a casting mould, a cavity of the feeder head is a cavity for storing liquid metal, metal is supplied when a casting is formed, the functions of preventing shrinkage cavity, shrinkage porosity, exhausting and slag collection are achieved, and the main function of the feeder head is feeding; however, due to the dead head, extra protrusions are formed on the surface of the cast stator, and the extra protrusions need to be removed, but the connection surface between the extra protrusions and the stator is large, so that the extra protrusions are damaged when being removed, and the quality of the stator is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mold core for stator frame mould, it can reduce feeding head and flat rising head on through the model between feeding head and the flat and the stator area of being connected, has reduced the damage to the stator when beating the volume evagination, has improved the quality of stator.

In order to achieve the above purpose, the utility model provides a following technical scheme: a mold core for a stator frame mold comprises a model, a casting channel mold core fixedly connected with the model, a feeding head fixedly arranged on the upper surface of the model and a flat feeding head fixedly arranged on the upper surface of the model; the feeding head comprises a connecting part in a square tubular shape and an accommodating part fixedly arranged at the top end of the connecting part, and the accommodating part is in an inverted quadrangular frustum pyramid shape; the flat riser comprises an inverted quadrangular frustum pyramid-shaped fixing part and a square tubular discharging part fixedly arranged at the top end of the fixing part; the number of the feeding heads is four, the four feeding heads are distributed in a square shape with four sharp corners, and the flat feeding heads are uniformly distributed on the top surface of the model.

Through adopting above-mentioned technical scheme, because feeding head and model junction are square tubulose, and connecting portion are littleer for the portion of holding, so compare that the area of connection of conventional cylindrical feeding head and model is littleer, then the area of connection of extra arch and stator above the stator that the mould was cast out is littleer, when beating the arch, can not cause too big damage to the stator, cooperate a plurality of flat risers, can reduce the damage to the stator under the prerequisite of guaranteeing the feeding effect.

Preferably, the following steps: the casting channel core comprises a sprue core, a plurality of horizontal runner cores fixedly arranged on the sprue core and a round runner core fixedly connected with the plurality of horizontal runner cores simultaneously, one end of the horizontal runner core far away from the sprue core is fixedly connected with the round runner core, and the plurality of horizontal runner cores are uniformly connected to the round runner core.

Through adopting above-mentioned technical scheme, let in the metallic solution that melts to the cross gate core is inside through the sprue core, because the even distribution of a plurality of cross gate cores is on the circle waters core, so the metallic solution can be even quick form stator's shape, has improved pouring speed and quality.

Preferably, the following steps: and a ceramic filter screen is arranged at the joint of the sprue core and the cross-sprue core.

Through adopting above-mentioned technical scheme, ceramic filter screen can filter the impurity in the melt, avoids impurity to get into the die cavity, makes the stator quality of casting out not influenced.

Preferably, the following steps: and the upper surface of the model is fixedly provided with a mounting groove for mounting the feeding head, and the feeding head is inserted into the mounting groove.

By adopting the technical scheme, the feeding head core plate is convenient to position and install, and the working efficiency can be improved.

Preferably, the following steps: and a chill is fixedly arranged on the bottom surface of the round pouring gate mold core.

Through adopting above-mentioned technical scheme, when making the mould, the chill can be stayed in the mould, and the chill can improve the cooling rate of near melt, can improve near stator lateral wall's intensity, is convenient for carry out subsequent processing to the stator.

Preferably, the following steps: the chilling block comprises an inner block, a middle block and an outer block, wherein the inner block, the middle block and the outer block are all in fan-shaped arrangement, the inner block, the middle block and the outer block are all in circular ring-shaped distribution, the inner block is located inside the middle block in circular ring-shaped distribution, the middle block is located inside the outer block in circular ring-shaped distribution, and the inner block, the middle block and the outer block are not abutted to each other.

Through adopting above-mentioned technical scheme, can make the chill can be even go out the heat transfer of molten metal for the cooling rate of molten metal.

Preferably, the following steps: the inner block, the middle block and the outer block are positioned on the same plane.

Through adopting above-mentioned technical scheme, can make the chill more convenient be connected with circular pouring gate core, can make the cooling rate everywhere of melt more close simultaneously.

To sum up, the utility model discloses compare and have following beneficial effect in prior art: 1. through the feeding head and the flat feeding head on the model, the connecting area between the feeding head and the flat feeding head and between the flat feeding head and the stator can be reduced, the damage to the stator when the forehead protrusion is knocked off is reduced, and the quality of the stator is improved.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic view showing the structure of a chiller according to the embodiment.

Reference numerals: 1. casting a channel core; 11. a sprue core; 12. a horizontal runner core; 13. a round runner core; 14. mounting grooves; 2. a flat riser; 21. a fixed part; 22. a discharge part; 3. feeding a riser; 31. a connecting portion; 32. an accommodating portion; 4. a ceramic filter screen; 5. performing cold iron; 51. the inner block; 52. a middle block; 53. an outer block; 54. inserting a rod; 6. and (4) modeling.

Detailed Description

Example (b): a mould core for a stator frame mould, see fig. 1, comprises a matrix 6, the matrix 6 being disc-shaped. Four feeding heads 3 are fixedly arranged on the top surface of the model 6, the four feeding heads 3 are distributed in a square shape with four sharp corners, and the central point of the area surrounded by the four feeding heads 3 is positioned at the central point of the top surface of the model 6. The upper surface of the model 6 is fixedly provided with a mounting groove 14 for mounting the feeding head 3, and the feeding head 3 is inserted in the mounting groove 14. The feeding head 3 comprises a connecting part 31 in a square tubular shape and an accommodating part 32 fixedly arranged at the top end of the connecting part 31, the accommodating part 32 is in an inverted quadrangular frustum pyramid shape, and the side wall of the feeding head 3 is closed. The top surface of the model 6 is fixedly provided with a plurality of flat risers 2, and the flat risers 2 are uniformly distributed on the model 6. The flat riser 2 comprises an inverted quadrangular frustum pyramid-shaped fixing part 21 and a square tubular discharging part 22 fixedly arranged at the top end of the fixing part 21, and the side wall of the flat riser 2 is closed. The casting channel core 1 is fixedly arranged on the model 6, the casting channel core 1 comprises a sprue core 11, a horizontal runner core 12 fixedly arranged on the sprue core 11 and a round runner core 13 fixedly connected with the horizontal runner core 12, the two horizontal runner cores 12 are symmetrically distributed on the top surface of the round runner core 13, and one end of the sprue core 11, far away from the horizontal runner core 12, is fixedly connected with the round runner core 13. The ceramic filter screen 4 is arranged at the joint of the sprue core 11 and the cross-gate core 12, the ceramic filter screen 4 can filter impurities in molten liquid, the molten liquid is prevented from bringing the impurities into a cavity, a plurality of impurities cannot be contained in a cast stator, and the quality of the stator is improved.

Referring to fig. 1 and 2, the bottom surface of the circular runner core 13 is fixedly provided with a chiller 5, the chiller 5 comprises an inner block, a middle block 52 and an outer block 53, the inner block 51, the middle block 52 and the outer block 53 are all arranged in a fan shape, the inner block, the middle block 52 and the outer block 53 are all distributed in a circular ring shape, the inner block is located inside the middle block 52 distributed in a circular ring shape, the middle block 52 is located inside the outer block 53 distributed in a circular ring shape, the adjacent inner block, the middle block 52 and the outer block 53 are not abutted to each other, and the inner block, the middle block 52 and the outer block 53 are located on the same plane. The bottom surfaces of the inner block, the middle block 52 and the outer block 53 are fixedly provided with inserting rods 54 which are vertical to the bottom surface of the inner block. The area enclosed by the extension lines of the two planar side walls of each inner block is provided with two symmetrically arranged middle blocks 52 and three evenly distributed outer blocks 53.

The working principle of the mold core for the stator frame mold during use is as follows: because feeding head 3 is square tubulose with the model 6 junction, and connecting portion 31 is littleer for the portion of holding 32, so compare conventional cylindrical feeding head 3 and model 6's area of connection littleer, then the area of connection of extra arch and stator above the stator that the mould was cast out is littleer, when beating the arch, can not cause too big damage to the stator, cooperate a plurality of flat rising heads 2, can reduce the damage to the stator under the prerequisite of guaranteeing the feeding effect.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a mold core for stator frame mould which characterized in that: the casting mold comprises a mold (6), a casting channel mold core (1) fixedly connected with the mold (6), a feeding head (3) fixedly arranged on the upper surface of the mold (6) and a flat feeding head (2) fixedly arranged on the upper surface of the mold (6); the feeding head (3) comprises a connecting part (31) in a square tubular shape and an accommodating part (32) fixedly arranged at the top end of the connecting part (31), wherein the accommodating part (32) is in an inverted quadrangular frustum pyramid shape; the flat riser (2) comprises an inverted quadrangular frustum pyramid-shaped fixing part (21) and a square tubular discharging part (22) fixedly arranged at the top end of the fixing part (21); the number of the feeding heads (3) is four, the four feeding heads (3) are distributed in a square shape with four sharp corners, and the flat feeding heads (2) are uniformly distributed on the top surface of the model (6).

2. The mold core for a stator housing mold of claim 1, wherein: the casting channel core (1) comprises a sprue core (11), a plurality of horizontal runner cores (12) fixedly arranged on the sprue core (11) and a round runner core (13) fixedly connected with the plurality of horizontal runner cores (12), one end, far away from the sprue core (11), of the horizontal runner core (12) is fixedly connected with the round runner core (13), and the plurality of horizontal runner cores (12) are uniformly connected to the round runner core (13).

3. The mold core for a stator housing mold of claim 2, wherein: and a ceramic filter screen (4) is arranged at the joint of the sprue core (11) and the cross-sprue core (12).

4. The mold core for a stator housing mold of claim 3, wherein: the upper surface of the model (6) is fixedly provided with a mounting groove (14) for mounting the feeding head (3), and the feeding head (3) is inserted in the mounting groove (14).

5. The mold core for a stator housing mold of claim 4, wherein: and a chill (5) is fixedly arranged on the bottom surface of the round pouring gate mold core (13).

6. The mold core for a stator housing mold of claim 5, wherein: chilling block (5) are including interior piece, well piece (52) and outer piece (53), interior piece (51), well piece (52) and outer piece (53) all are fan-shaped setting, and interior piece, well piece (52) and outer piece (53) all are ring form distribution, and interior piece is located inside the well piece (52) of ring form distribution, and well piece (52) are located inside the outer piece (53) of ring form distribution, and each other do not butt between adjacent interior piece, well piece (52) and the outer piece (53).

7. The mold core for a stator housing mold of claim 6, wherein: the inner block (51), the middle block (52) and the outer block (53) are positioned on the same plane.