CN214161357U - Motor base die casting die structure - Google Patents
Motor base die casting die structure Download PDFInfo
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- CN214161357U CN214161357U CN202023270896.5U CN202023270896U CN214161357U CN 214161357 U CN214161357 U CN 214161357U CN 202023270896 U CN202023270896 U CN 202023270896U CN 214161357 U CN214161357 U CN 214161357U
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Abstract
The utility model relates to a motor base die casting die structure belongs to die casting die technical field. It includes: a movable mold core (4) and a static mold core (5); mould core (4) set up at the top, and three recess has been seted up side by side to its upper surface, and the through-hole is seted up to every recess bottom, marks as respectively: the first through hole, second through hole, third through hole, every through hole interpolation has a movable mould core bar, marks respectively: the first movable mold core rod (1), the second movable mold core rod (2) and the third movable mold core rod (3); the static mold core (5) is arranged at the bottom, a boss is arranged at the center of the top surface of the static mold core and matched with the position of the cavity at the bottom of the movable mold core (4), and a die-casting cavity is formed in the space between the boss and the cavity. The motor cabinet is by die-casting machine die-casting one shot forming, has reduced the production cycle of product, and the machining dimension requirement of homoenergetic assurance part satisfies the production demand, increases operation rate.
Description
Technical Field
The utility model belongs to the technical field of die casting die, concretely relates to motor base die casting die structure
Background
The reasonable wall thickness of the aluminum alloy motor base depends on a plurality of factors such as the specific structure of a casting, a die-casting process and the like, the large-area thin wall is difficult to form, and sink and cracks are easy to generate when the wall thickness is too large or seriously uneven. The normal wall thickness recommended for aluminum alloys at present is 2mm, with a minimum wall thickness of 0.8 mm. The motor base of the part related to the technology is as shown in figure 1, because of the structural complexity, the size of the thin wall formed by phi 12 and phi 13 in the figure is 0.5, and the requirement of the minimum wall thickness is not met. And thus is done using bar stock machining in conventional designs. The length of the long tubular bulge is 5.3mm, and raw materials are wasted during bar processing. Due to the particularity of the parts, bar materials are selected to be processed in the processing process, the steps of finishing the parts shown in the drawing are multiple, the processing difficulty is high, the thin wall part is difficult to ensure no deformation even if being machined, and the whole full-shape bar material is processed to phi 6 because the height of the tubular bulge with the external diameter phi 6 and the internal diameter phi 4 on the other surface of the thin wall of the part is 5.3, so that the utilization rate of the visible material is low.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved technical problem of the utility model is: how to provide a motor base die casting die structure for solve motor base thin wall, long tubular protruding length difficult processing problem.
(II) technical scheme
In order to solve the technical problem, the utility model provides a motor base die casting die structure, include: a movable mold core 4 and a static mold core 5;
the movable mould core 4 is arranged at the top, three grooves are formed in the upper surface of the movable mould core side by side, and a through hole is formed in the bottom of each groove and is recorded as: the first through hole, second through hole, third through hole, every through hole interpolation has a movable mould core bar, marks respectively: the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3;
the top of the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 is provided with a positioning part matched with the corresponding groove, the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 are fixed with the movable mold core 4 through the positioning part, and the bottoms of the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 are inserted into core rod positioning holes formed in the static mold core 5 and respectively recorded as: a first core rod positioning hole, a second core rod positioning hole and a third core rod positioning hole;
an insert 6 penetrates through the joint of the first movable mold core rod 1 and the first core rod positioning hole, the insert 6 is sleeved outside the first movable mold core rod 1, and the first core rod positioning hole and the first through hole are respectively embedded in the two ends of the insert 6;
the third movable mold core rod 3 is a reducing cylindrical rod body, and a step part is arranged in the vertical direction at the position where the third movable mold core rod contacts with the third core rod positioning hole;
the static mould core 5 is arranged at the bottom, a boss is arranged at the center of the top surface of the static mould core and matched with the position of the cavity at the bottom of the movable mould core 4, and a die-casting cavity is formed in the space between the boss and the cavity.
And the inner diameter of the third through hole is 13mm, the inner diameter of the top of the step part of the third movable mold core rod 3 is 12mm, and an annular thin wall with the thickness of 0.5mm is formed by die-casting and filling.
The first core rod positioning hole is located at the edge of one side of the boss, the second core rod positioning hole penetrates through the center of the boss, and the third core rod positioning hole is located at the edge of the other side of the boss.
And a pouring gate is arranged on one side of the bottom of the first movable mold core rod 1 and is used for pouring alloy liquid into the cavity.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect: the motor cabinet is by die-casting machine die-casting one shot forming, has reduced the production cycle of product, and the machining dimension requirement of homoenergetic assurance part satisfies the production demand, increases operation rate.
Drawings
FIG. 1 is a sectional view of an aluminum alloy motor base;
fig. 2 is a schematic cross-sectional view of the present invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings and examples.
In order to solve the above problem, the utility model relates to a motor base die casting die structure, as shown in fig. 2, include: a movable mold core 4 and a static mold core 5;
the movable mould core 4 is arranged at the top, three grooves are formed in the upper surface of the movable mould core side by side, and a through hole is formed in the bottom of each groove and is recorded as: the first through hole, second through hole, third through hole, every through hole interpolation has a movable mould core bar, marks respectively: the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3;
the top of the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 is provided with a positioning part matched with the corresponding groove, the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 are fixed with the movable mold core 4 through the positioning part, and the bottoms of the first movable mold core rod 1, the second movable mold core rod 2 and the third movable mold core rod 3 are inserted into core rod positioning holes formed in the static mold core 5 and respectively recorded as: a first core rod positioning hole, a second core rod positioning hole and a third core rod positioning hole;
an insert 6 penetrates through the joint of the first movable mold core rod 1 and the first core rod positioning hole, the insert 6 is sleeved outside the first movable mold core rod 1, and the first core rod positioning hole and the first through hole are respectively embedded in the two ends of the insert 6;
the third movable mold core rod 3 is a reducing cylindrical rod body, and a step part is arranged in the vertical direction at the position where the third movable mold core rod contacts with the third core rod positioning hole;
the static mould core 5 is arranged at the bottom, a boss is arranged at the center of the top surface of the static mould core and matched with the position of the cavity at the bottom of the movable mould core 4, and a die-casting cavity is formed in the space between the boss and the cavity.
And the inner diameter of the third through hole is 13mm, the inner diameter of the top of the step part of the third movable mold core rod 3 is 12mm, and an annular thin wall with the thickness of 0.5mm is formed by die-casting and filling.
The first core rod positioning hole is located at the edge of one side of the boss, the second core rod positioning hole penetrates through the center of the boss, and the third core rod positioning hole is located at the edge of the other side of the boss.
And a pouring gate is arranged on one side of the bottom of the first movable mold core rod 1 and is used for pouring alloy liquid into the cavity.
The insert 6 is mounted on the first movable mold core rod 1 during the die casting operation, and the movable mold core 4 and the stationary mold core 5 fix the insert 6 after the die assembly.
And during casting and filling, selecting aluminum liquid to pass through a pouring system, injecting the aluminum liquid into the cavity from the pouring gate, and wrapping the insert with the aluminum liquid to form a composite member. The movable mould core 4, the fixed mould core 5 and the third movable mould core rod 3 form thin walls in the die-casting and filling process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a motor base die casting die structure which characterized in that includes: a movable mold core (4) and a static mold core (5);
the movable mould core (4) is arranged at the top, three grooves are formed in the upper surface of the movable mould core side by side, and a through hole is formed in the bottom of each groove and is recorded as: the first through hole, second through hole, third through hole, every through hole interpolation has a movable mould core bar, marks respectively: the first movable mold core rod (1), the second movable mold core rod (2) and the third movable mold core rod (3);
first movable mould core bar (1), second movable mould core bar (2), third movable mould core bar (3) top be equipped with correspond recess assorted location portion, fixed with movable mould core (4) through location portion, insert the core bar locating hole of seting up on quiet mould core (5) bottom first movable mould core bar (1), second movable mould core bar (2), third movable mould core bar (3), mark respectively: a first core rod positioning hole, a second core rod positioning hole and a third core rod positioning hole;
an insert (6) penetrates through the joint of the first movable mold core rod (1) and the first core rod positioning hole, the insert (6) is sleeved outside the first movable mold core rod (1), and the first core rod positioning hole and the first through hole are respectively embedded in the two ends of the insert;
the third movable mold core rod (3) is a variable-diameter cylindrical rod body, and a step part is arranged in the vertical direction at the position where the third movable mold core rod is in contact with the third core rod positioning hole;
the static mold core (5) is arranged at the bottom, a boss is arranged at the center of the top surface of the static mold core and matched with the position of the cavity at the bottom of the movable mold core (4), and a die-casting cavity is formed in the space between the boss and the cavity.
2. The motor base die-casting die structure as claimed in claim 1, wherein the third through hole has an inner diameter of 13mm, the top of the stepped part of the third movable die core rod (3) has an inner diameter of 12mm, and a ring thin wall with a thickness of 0.5mm is formed by die-casting and filling.
3. The motor base die-casting die structure as claimed in claim 1, wherein the first core rod positioning hole is located at one side edge of the boss, the second core rod positioning hole penetrates through the center of the boss, and the third core rod positioning hole is located at the other side edge of the boss.
4. The motor base die-casting die structure as claimed in claim 3, wherein a pouring gate is provided at one side of the bottom of the first movable die core rod (1) for pouring the alloy liquid into the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023270896.5U CN214161357U (en) | 2020-12-30 | 2020-12-30 | Motor base die casting die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023270896.5U CN214161357U (en) | 2020-12-30 | 2020-12-30 | Motor base die casting die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214161357U true CN214161357U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023270896.5U Active CN214161357U (en) | 2020-12-30 | 2020-12-30 | Motor base die casting die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214161357U (en) |
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2020
- 2020-12-30 CN CN202023270896.5U patent/CN214161357U/en active Active
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