CN215998592U - Water-cooled machine water course psammitolite mould based on 3D prints - Google Patents
Water-cooled machine water course psammitolite mould based on 3D prints Download PDFInfo
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- CN215998592U CN215998592U CN202121764792.1U CN202121764792U CN215998592U CN 215998592 U CN215998592 U CN 215998592U CN 202121764792 U CN202121764792 U CN 202121764792U CN 215998592 U CN215998592 U CN 215998592U
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Abstract
The utility model discloses a water-cooling motor water channel sand core mold based on 3D printing, which is formed by splicing three outer mold shell plates, wherein two side edges of the outer mold shell plates are respectively provided with a connecting plate I, and every two adjacent outer mold shell plates are attached through the connecting plate I; a tenon I is arranged in the middle of the outer mold shell plate, and a mortise is correspondingly formed on the inner side of the tenon; the inner die is formed by splicing three inner die plates, the edges of two sides of each inner die plate are provided with connecting plates II, every two adjacent inner die plates are jointed through the connecting plates II, and the jointed connecting plates II form tenons II which are inserted into the mortise slots; a water channel sand core die cavity is arranged on the inner wall of the inner die, a spiral bulge is formed between the upper ring and the lower ring of the water channel sand core die cavity, and a core head/sand cleaning hole die cavity is arranged on each ring of the water channel sand core die cavity; each circle of spiral protrusion is provided with a connecting reinforcing rib mold cavity. The utility model has simple structure, convenient operation and higher strength and precision.
Description
Technical Field
The utility model belongs to the technical field of motor shell casting core making, and particularly relates to a water-cooled motor water channel sand core mold based on 3D printing.
Background
At present, the water-cooled motor shell of the electric automobile is a product which is hot in hand at present, but the manufacture of the water-cooled motor shell is a great difficult problem, in order to ensure that the motor is uniformly and fully cooled, the water channel is designed into a multi-circle complete spiral spring shape, which puts high requirements on core manufacturing and sand removal of the motor shell casting, and is particularly difficult to manufacture a water channel mud core. The traditional method comprises the following steps: 1. the precoated sand core shooting molding has the advantages that: the strength is good; the disadvantages are as follows: the mold is complicated, the mold cost is high, the size precision is general, the process is complicated, the development time is long, and the core shooting is easy to be insufficient, so that the defects are caused. 2. 3D printing is directly printed and formed, and the method has the advantages of short development time and high dimensional precision; the disadvantages are as follows: the cost is high, is hundreds times of the cost of the traditional sand core, the strength is not high, and the sand core is easy to damage during core setting.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water-cooled motor water channel sand core mold based on 3D printing, which is simple in structure, convenient to operate and high in strength and precision.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water-cooling motor water channel sand core mold based on 3D printing comprises an outer mold shell, an inner mold and an outer mold shell, wherein the outer mold shell is of a hollow cylindrical structure and is formed by splicing three outer mold shell plates, the outer mold shell plates are of an arc-shaped plate structure, two side edges of each outer mold shell plate are respectively provided with a connecting plate I, and every two adjacent outer mold shell plates are fixedly connected through the connecting plate I; the middle part of the outer mold shell plate is provided with a mortise slot along the vertical direction, the notch of the mortise slot faces the inside of the outer mold shell, and the upper end surface and the lower end surface of the mortise slot are opened and flush with the upper end surface and the lower end surface of the outer mold shell;
the inner die is arranged on the inner wall of the outer die shell, the inner die is of a hollow cylindrical structure and is formed by splicing three outer inner die plates, connecting plates II are arranged at the edges of two sides of each inner die plate, every two adjacent inner die plates are attached through the connecting plates II, each two attached connecting plates II form a tenon, and the tenon is inserted into the mortise;
the inner wall of the inner mold is provided with a water channel sand core mold cavity which is spiral from top to bottom, spiral bulges are correspondingly formed between the upper ring and the lower ring of the water channel sand core mold cavity, and core heads/sand cleaning hole mold cavities are arranged on each ring of the water channel sand core mold cavity at intervals; and a connecting reinforcing rib mold cavity is arranged on each circle of spiral protrusion at intervals.
Furthermore, 3 core heads/sand cleaning hole die cavities are arranged on each circle of water channel sand core die cavity at equal intervals, and the core heads/sand cleaning hole die cavities are positioned on the same straight line along the vertical direction.
Furthermore, five connecting reinforcing rib mold cavities are arranged on each circle of spiral protrusion at equal intervals, and the connecting reinforcing rib mold cavities are positioned on the same straight line along the vertical direction.
Furthermore, the tenon and the mortise are designed in a reverse drawing mode.
Furthermore, the connecting plates I are provided with locking holes, and when the two connecting plates I are mutually attached, the locking holes are mutually communicated.
Further, the outer mold shell is made of a hard material.
Furthermore, the inner die is made of a silica gel material.
The utility model has the following beneficial effects:
1. compared with the precoated sand hot core box mold core making, the mold of the utility model has simple structure, greatly shortens the development time of the mold, greatly reduces the cost, only has about 5/100 of the original cost, and shortens the time to one week; the utility model is integrally formed, has higher precision than precoated sand forming, is simple to use and is extremely suitable for small-batch production of 100 pieces or less.
2. Compared with the direct 3D printing sand core, the mold has high strength, can reduce the damage rate during core setting, reduces the manufacturing cost of a single piece, reduces the risk of damage of long-distance logistics transportation of the 3D printing sand core, and saves time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the outer mold shell structure of the present invention;
FIG. 3 is a schematic structural view of the outer mold shell of the present invention;
FIG. 4 is a schematic view of the inner mold structure of the present invention;
FIG. 5 is a schematic diagram of the inner form structure of the present invention;
FIG. 6 is a schematic view of the configuration of the finished water channel sand core of the present invention;
the numbers and names in the figure are as follows:
1-an outer formwork; 2-an inner mold;
11-outer mold shell plates; 12-connecting plate I; 13-mortise slot; 14-a locking hole;
21-inner template; 22 connecting a plate II; 23-a tenon; 24-water channel sand core mold cavity; 25-a helical protrusion; 26-core print/sand-cleaning hole mold cavity; 27-coupling reinforcing bar die cavity.
Detailed Description
In order that the utility model may be better understood, it will now be illustrated by way of example only, with the understanding that the scope of the utility model is not limited by the specific embodiments. It should be understood that the directions "up", "down", "left" and "right" mentioned in the following embodiments of the present invention are based on the positions of the corresponding drawings. These directional terms are used for convenience of description only and do not represent limitations on the particular embodiments of the present invention. Unless otherwise specified, like reference numerals in the reference numerals refer to like structures.
The utility model will now be described by way of more specific examples with reference to the accompanying drawings.
A water-cooling motor water channel sand core mold based on 3D printing comprises an outer mold shell 1 and an inner mold 2 as shown in figures 1-5, wherein the outer mold shell 1 is of a hollow cylindrical structure and is formed by splicing three outer mold shell plates 11, the outer mold shell plates 11 are of an arc-shaped plate structure, two side edges of each outer mold shell plate 11 are respectively provided with a connecting plate I12, and every two adjacent outer mold shell plates 11 are fixedly connected through the connecting plate I12; the middle part of the outer mold shell plate 11 is provided with a mortise slot 13 along the vertical direction, the notch of the mortise slot 13 faces the inside of the outer mold shell 1, and the upper end surface and the lower end surface of the mortise slot 13 are opened and flush with the upper end surface and the lower end surface of the outer mold shell 1;
the inner die 2 is arranged on the inner wall of the outer die shell 1, the inner die 2 is of a hollow cylindrical structure and is formed by splicing three outer inner die plates 21, connecting plates II 22 are arranged on the edges of two sides of each inner die plate 21, every two adjacent inner die plates 21 are attached through the connecting plates II 22, a tenon 23 is formed by every two attached connecting plates II 22, and the tenon 23 is inserted into the mortise 13;
the inner wall of the inner mould 2 is provided with a spiral water channel sand core mould cavity 24 from top to bottom, a spiral bulge 25 is correspondingly formed between the upper ring and the lower ring of the water channel sand core mould cavity 24, and a core head/sand cleaning hole mould cavity 26 is arranged on each ring of the water channel sand core mould cavity 24 at intervals; and a connecting reinforcing rib mold cavity 27 is arranged on each circle of spiral protrusion 25 at intervals.
3 core heads/sand cleaning hole mold cavities 26 are arranged on each circle of water channel sand core mold cavity 24 at equal intervals, and the core heads/sand cleaning hole mold cavities 26 are positioned on the same straight line along the vertical direction.
Five connecting reinforcing rib mold cavities 27 are arranged on each circle of spiral protrusion 25 at equal intervals, and the connecting reinforcing rib mold cavities 27 are positioned on the same straight line along the vertical direction.
The tenon 23 and the mortise slot 13 are designed in a reverse drawing mode.
The connecting plates I12 are provided with locking holes 14, and when the two connecting plates I12 are mutually attached, the locking holes 14 are mutually communicated.
The outer mould shell 1 is made of hard material.
The inner die 2 is made of silica gel material.
The using method of the utility model comprises the following steps:
vertically placing a die opening; applying the resin sand mixed with the curing agent and the furan resin and the phenolic resin in the water channel sand core die cavity 24 and the connecting reinforcing rib die cavity 27 before the resin sand is not cured, leveling the resin sand by using a scraper, and filling the resin sand in the core head/sand cleaning hole die cavity 26 by using a rod-shaped tool to obtain a smooth and compact core head; after 20-40 minutes, after the resin sand is cured and completely hardened, the resin sand can be completely demoulded, firstly, the fastening screws in the locking holes 14 are loosened, the hard shell 1 is removed, then the silica gel inner die 2 is stripped off, and finally, a complete water channel sand core is obtained, as shown in fig. 6.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a water cooled machine water course psammitolite mould based on 3D prints, includes outer mould shell (1), centre form (2), its characterized in that: the outer formwork (1) is of a hollow cylindrical structure and is formed by splicing three outer formwork shell plates (11), the outer formwork shell plates (11) are of an arc-shaped plate structure, two side edges of each outer formwork shell plate (11) are respectively provided with a connecting plate I (12), and every two adjacent outer formwork shell plates (11) are fixedly connected through the connecting plate I (12); the middle part of the outer formwork shell plate (11) is provided with a mortise slot (13) along the vertical direction, the notch of the mortise slot (13) faces the inside of the outer formwork shell (1), and the upper end surface and the lower end surface of the mortise slot (13) are open and flush with the upper end surface and the lower end surface of the outer formwork shell (1);
the inner die (2) is arranged on the inner wall of the outer die shell (1), the inner die (2) is of a hollow cylindrical structure and is formed by splicing three outer inner die plates (21), connecting plates II (22) are arranged on the edges of two sides of each inner die plate (21), every two adjacent inner die plates (21) are attached through the connecting plates II (22), each two attached connecting plates II (22) form a tenon (23), and the tenon (23) is inserted into the mortise slot (13);
a spiral water channel sand core die cavity (24) is arranged on the inner wall of the inner die (2) from top to bottom, spiral bulges (25) are correspondingly formed between the upper ring and the lower ring of the water channel sand core die cavity (24), and a core head/sand cleaning hole die cavity (26) is arranged on each ring of the water channel sand core die cavity (24) at intervals; and a connecting reinforcing rib mold cavity (27) is arranged on each circle of spiral bulge (25) at intervals.
2. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 1, wherein: 3 core heads/sand cleaning hole mold cavities (26) are arranged on each circle of water channel sand core mold cavity (24) at equal intervals, and the core heads/sand cleaning hole mold cavities (26) are positioned on the same straight line along the vertical direction.
3. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 2, wherein: five connecting reinforcing rib mold cavities (27) are arranged on each circle of spiral protrusion (25) at equal intervals, and the connecting reinforcing rib mold cavities (27) are positioned on the same straight line along the vertical direction.
4. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 1, wherein: the tenon (23) and the mortise slot (13) are designed to be reversely drawn.
5. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 1, wherein: the connecting plates I (12) are provided with locking holes (14), and when the two connecting plates I (12) are mutually attached, the locking holes (14) are mutually communicated.
6. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 1, wherein: the outer mould shell (1) is made of hard materials.
7. The water-cooled motor water channel sand core mold based on 3D printing as claimed in claim 1, wherein: the inner mold (2) is made of a silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764792.1U CN215998592U (en) | 2021-07-30 | 2021-07-30 | Water-cooled machine water course psammitolite mould based on 3D prints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764792.1U CN215998592U (en) | 2021-07-30 | 2021-07-30 | Water-cooled machine water course psammitolite mould based on 3D prints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215998592U true CN215998592U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121764792.1U Active CN215998592U (en) | 2021-07-30 | 2021-07-30 | Water-cooled machine water course psammitolite mould based on 3D prints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215998592U (en) |
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2021
- 2021-07-30 CN CN202121764792.1U patent/CN215998592U/en active Active
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