CN210435318U - Casting mold for producing special-shaped castings - Google Patents
Casting mold for producing special-shaped castings Download PDFInfo
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- CN210435318U CN210435318U CN201921393309.6U CN201921393309U CN210435318U CN 210435318 U CN210435318 U CN 210435318U CN 201921393309 U CN201921393309 U CN 201921393309U CN 210435318 U CN210435318 U CN 210435318U
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- positioning sleeve
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Abstract
The utility model discloses a casting mould for producing abnormal shape foundry goods, including outer mold bottom plate, external mold, inner core, outer mold bottom plate middle part is equipped with recess A, and the inner core lower part is equipped with the lug A corresponding with recess A shape, and the inner core passes through lug A and recess A and installs on outer mold bottom plate, the inside positioning sleeve A that has inlayed of external mold, the external mold has a plurality ofly, connects through positioning sleeve A between a plurality of external molds, and the external mold of next passes through positioning sleeve A and is connected with the outer mold bottom plate. The utility model discloses when the external mold is molding, use the positioning bottom plate to fix a position positioning sleeve A simultaneously, with positioning sleeve A imbed in the external mold when carrying out the mould and assembling, can fix a position through positioning sleeve A, the inner core carries out interconnect through circular recess and rectangle recess simultaneously, speed and precision when having improved the mould equipment reduce workman intensity of labour to improve the quality of foundry goods.
Description
Technical Field
The utility model belongs to the casting mould field especially relates to a casting mould for producing abnormal shape foundry goods.
Background
In the production process of large castings, casting molds are formed by assembling a plurality of outer molds and inner cores, when workers assemble the castings, a manual box descending and box grinding process is generally used, namely, when the boxes are descended, the sand cores are lifted by a crane to be manually controlled to descend into corresponding core heads of the sand cores, after the boxes are descended, a special template is used for detection, the sand cores are manually moved to adjust the size, so that the relative positions of the sand cores meet the process design, in the operation process, the deviation of the casting size can be caused due to improper placement of the cores or improper combination of the cores, the manual box descending and box process mainly aims at cabin bodies with regular shapes, a large amount of machining allowance is needed in the cabin body process design to ensure the wall thickness of the cabin bodies, materials are wasted, the requirements on the workers are particularly high, operators have higher operation skills, and the labor intensity is very high. If a special-shaped cabin body with an irregular shape is given, the box-following process is adopted, the cabin body is scrapped due to 0.1mm deviation in the box-unloading and box-assembling process, and the quality of the cabin body is difficult to guarantee. Aiming at the defects and shortcomings of the existing manual box-discharging and box-following process method, the application provides the casting mold for producing the special-shaped castings, and solves the problems that the existing casting cabin body is high in positioning operation difficulty, high in labor intensity, waste in materials, unstable in qualified rate and the like.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a casting mould for producing abnormal shape foundry goods can solve the problem that the prior art location operation degree of difficulty is big, intensity of labour is high, the material is extravagant, the qualification rate is unstable.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of casting mould for producing abnormal shape foundry goods, including outer mold bottom plate, external mold, inner core, outer mold bottom plate middle part is equipped with recess A, and the inner core lower part is equipped with the lug A corresponding with recess A shape, and the inner core passes through lug A and recess A and installs on outer mold bottom plate, the inside positioning sleeve A that has inlayed of external mold, the external mold has a plurality ofly, connects through positioning sleeve A between a plurality of external molds, and the external mold of next passes through positioning sleeve A and is connected with the outer mold bottom plate.
The upper portion and the lower portion of the positioning sleeve A are respectively provided with a positioning hole A and a positioning pin, and the cross section of the middle portion of the positioning sleeve A is in a cross shape.
A positioning sleeve B is embedded in the outer die bottom plate, and a positioning hole A is formed in the upper portion of the positioning sleeve B.
The inner core is composed of a plurality of inner core blocks, the upper parts of the inner core blocks are provided with circular grooves and rectangular grooves, and the lower parts of the inner core blocks are provided with circular protrusions and rectangular protrusions.
The positioning bottom plate is provided with a positioning hole B, the diameter of the positioning hole B is the same as that of the positioning hole A, and the positioning bottom plate is connected with the outer die through the positioning hole B.
The number of the positioning holes B is three, and the positioning holes B are distributed on the positioning bottom plate in an annular array by taking the center of the positioning bottom plate as the center of a circle.
The length of the positioning sleeve A is the same as the thickness of the outer die.
The beneficial effects of the utility model reside in that: when the outer mold is molded, the positioning bottom plate is used for positioning the positioning sleeve A, the positioning sleeve A is embedded into the outer mold, when the mold is assembled, the positioning sleeve A can be used for positioning, meanwhile, the inner cores are connected with each other through the circular grooves and the rectangular grooves, the speed and the precision of mold assembly are improved, the labor intensity of workers is reduced, and the quality of castings is improved.
Drawings
FIG. 1 is an exploded schematic view;
FIG. 2 is a schematic view of the assembled structure;
FIG. 3 is a schematic view showing the structure of the lower part of the core block;
FIG. 4 is a schematic view of the positioning sleeve;
FIG. 5 is a schematic view of the connection of the positioning base plate to the positioning sleeve;
FIG. 6 is a schematic view of the connection of the positioning base plate and the outer mold;
in the figure: 1-outer mold bottom plate, 2-outer mold, 3-inner core, 4-groove A, 5-bump A, 6-positioning sleeve A, 7-positioning hole A, 8-positioning pin, 9-positioning sleeve B, 10-inner core block, 11-circular groove, 12-rectangular groove, 13-circular protrusion, 14-rectangular protrusion, 15-positioning bottom plate and 16-positioning hole B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 6, a casting mold for producing a special-shaped casting comprises an outer mold base plate 1, outer molds 2 and an inner core 3, wherein a groove a4 is formed in the middle of the outer mold base plate 1, a bump a5 corresponding to the shape of the groove a4 is formed in the lower portion of the inner core 3, the inner core 3 is mounted on the outer mold base plate 1 through the bump a5 and the groove a4, a positioning sleeve a6 is embedded in the outer mold 2, the outer molds 2 are multiple, the outer molds 2 are connected through the positioning sleeves a6, and the outer mold 2 at the bottom is connected with the outer mold base plate 1 through the positioning sleeve a 6.
Before casting, a casting mold needs to be assembled, an outer mold bottom plate 1 of the casting mold is mainly used for positioning an outer mold 2 and an inner core 3, a groove A4 is formed in the middle of the outer mold bottom plate 1, the inner core 3 can be rapidly inserted into a groove A4 through a bump A5, rapid positioning of the inner core 3 on the outer mold bottom plate 1 is completed, meanwhile, a positioning sleeve B9 is embedded in the outer mold bottom plate 1, the next outer mold 2 can be rapidly connected and positioned with the outer mold bottom plate 1 through the positioning sleeve A6, then other outer molds 2 are mutually connected through the positioning sleeve A6, and due to the fact that the positioning sleeves A6 are connected, accurate positioning between the outer mold 2 and the outer mold bottom plate 1 and between the outer molds 2 can be guaranteed, assembling difficulty of complex molds such as special-shaped castings is reduced, positioning accuracy of the outer mold 2 and the inner core 3 is improved, and production efficiency is.
As shown in fig. 4, the upper part and the lower part of the positioning sleeve A6 are respectively provided with a positioning hole a7 and a positioning pin 8, the cross section of the middle part of the positioning sleeve A6 is cross-shaped, the positioning pin 8 of the positioning sleeve A6 can be inserted into a positioning hole a7 of another positioning sleeve A6 to ensure that the outer dies 2 can be spliced with each other, and the positioning accuracy is ensured, the cross section of the middle part of the positioning sleeve A6 is cross-shaped to ensure that the positioning sleeve A6 is firmly connected with the outer die 2 after being embedded into the outer die 2, and is not easy to loosen, because the outer die 2 is made of molding sand, after casting of a casting is completed, the positioning sleeve A6 can be removed and retained, and the positioning.
A positioning sleeve B9 is embedded in the outer die bottom plate 1, a positioning hole A7 is formed in the upper portion of a positioning sleeve B9, so that a positioning pin 8 of the next outer die 2 can be conveniently inserted into the positioning hole A7 in the positioning sleeve B9, and the positioning accuracy of the outer die 2 is guaranteed through connection of the positioning sleeve B9 and the positioning sleeve A6.
The inner core 3 comprises a plurality of inner core blocks 10, the upper parts of the inner core blocks 10 are provided with circular grooves 11 and rectangular grooves 12, the lower parts of the inner core blocks 10 are provided with circular protrusions 13 and rectangular protrusions 14, the inner core 3 comprises a plurality of inner core blocks 10, the structure reduces the manufacturing difficulty of the inner core 3, and one of the inner core blocks 10 can be replaced independently after the quality is unqualified, the production difficulty of the inner core 3 is reduced, the circular grooves 11 and the rectangular grooves 12 are formed in the inner core blocks 10, so that the inner core blocks 10 can be spliced quickly, and the positioning accuracy is ensured.
As shown in fig. 5 and 6, the mold further comprises a positioning bottom plate 15, a positioning hole B16 is formed in the positioning bottom plate 15, the diameter of the positioning hole B16 is the same as that of the positioning hole a7, the positioning bottom plate 15 is connected with the outer mold 2 through the positioning hole B16, in order to guarantee the precision of the positioning sleeve a6 in the outer mold 2, the positioning sleeve a6 is inserted into the positioning hole B16 during the molding of the outer mold 2, then the molding of the outer mold 2 is completed on the positioning bottom plate 15, and the positioning sleeve a6 is positioned by the positioning bottom plate 15 during the molding of the outer mold 2, so that the positioning sleeve a6 can be accurately embedded into the outer mold 2.
The number of the positioning holes B16 is three, the positioning holes B16 are distributed on the positioning bottom plate 15 in an annular array by taking the center of the positioning bottom plate 15 as the center of a circle, the three positioning holes B16 can fix the positions of the three positioning sleeves A6, so that the three positioning sleeves A6 can be embedded in the outer die 2, and the outer die 2 can be positioned by the plurality of positioning sleeves A6, so that the outer die 2 is accurately positioned after being connected.
The length of the positioning sleeve A6 is the same as the thickness of the outer die 2, so as to ensure that the upper part and the lower part of the positioning sleeve A6 are exposed, and ensure the normal splicing of the outer die 2.
Claims (7)
1. A casting mould for producing heterotypic foundry goods which characterized in that: the die comprises an outer die bottom plate (1), an outer die (2) and an inner core (3), wherein a groove A (4) is formed in the middle of the outer die bottom plate (1), a bump A (5) corresponding to the groove A (4) in shape is formed in the lower portion of the inner core (3), and the inner core (3) is installed on the outer die bottom plate (1) through the bump A (5) and the groove A (4); the positioning sleeves A (6) are embedded in the outer dies (2), the outer dies (2) are multiple, the outer dies (2) are connected through the positioning sleeves A (6), and the outer die (2) at the bottom is connected with the outer die bottom plate (1) through the positioning sleeves A (6).
2. A casting mold for producing a profile casting according to claim 1, wherein: the upper part and the lower part of the positioning sleeve A (6) are respectively provided with a positioning hole A (7) and a positioning pin (8), and the cross section of the middle part of the positioning sleeve A (6) is in a cross shape.
3. A casting mold for producing a profile casting according to claim 1, wherein: a positioning sleeve B (9) is embedded in the outer die bottom plate (1), and a positioning hole A (7) is formed in the upper portion of the positioning sleeve B (9).
4. A casting mold for producing a profile casting according to claim 1, wherein: the inner core (3) is composed of a plurality of inner core blocks (10), the upper parts of the inner core blocks (10) are provided with circular grooves (11) and rectangular grooves (12), and the lower parts of the inner core blocks (10) are provided with circular protrusions (13) and rectangular protrusions (14).
5. A casting mold for producing a profile casting according to claim 1, wherein: the die is characterized by further comprising a positioning bottom plate (15), wherein a positioning hole B (16) is formed in the positioning bottom plate (15), the diameter of the positioning hole B (16) is the same as that of the positioning hole A (7), and the positioning bottom plate (15) is connected with the outer die (2) through the positioning hole B (16).
6. A casting mold for producing a profile casting according to claim 5, wherein: the number of the positioning holes B (16) is three, and the positioning holes B (16) are distributed on the positioning bottom plate (15) in an annular array by taking the center of the positioning bottom plate (15) as the center of a circle.
7. A casting mold for producing a profile casting according to claim 1, wherein: the length of the positioning sleeve A (6) is the same as the thickness of the outer die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393309.6U CN210435318U (en) | 2019-08-26 | 2019-08-26 | Casting mold for producing special-shaped castings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393309.6U CN210435318U (en) | 2019-08-26 | 2019-08-26 | Casting mold for producing special-shaped castings |
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| CN210435318U true CN210435318U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921393309.6U Active CN210435318U (en) | 2019-08-26 | 2019-08-26 | Casting mold for producing special-shaped castings |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427608A (en) * | 2020-11-30 | 2021-03-02 | 贵州航天风华精密设备有限公司 | Large magnesium alloy special-shaped structural part casting die and process |
| CN113020546A (en) * | 2021-03-12 | 2021-06-25 | 贵州航天风华精密设备有限公司 | Positioning structure and method for special-shaped structure casting mold |
| CN113655000A (en) * | 2021-08-02 | 2021-11-16 | 贵州航天风华精密设备有限公司 | Preparation method and clamping structure of alloy chemical composition spectrum detection test piece |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
-
2019
- 2019-08-26 CN CN201921393309.6U patent/CN210435318U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427608A (en) * | 2020-11-30 | 2021-03-02 | 贵州航天风华精密设备有限公司 | Large magnesium alloy special-shaped structural part casting die and process |
| CN113020546A (en) * | 2021-03-12 | 2021-06-25 | 贵州航天风华精密设备有限公司 | Positioning structure and method for special-shaped structure casting mold |
| CN113020546B (en) * | 2021-03-12 | 2023-02-28 | 贵州航天风华精密设备有限公司 | Positioning structure and method for special-shaped structure casting mold |
| CN113655000A (en) * | 2021-08-02 | 2021-11-16 | 贵州航天风华精密设备有限公司 | Preparation method and clamping structure of alloy chemical composition spectrum detection test piece |
| CN114653896A (en) * | 2022-04-28 | 2022-06-24 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
| CN114653896B (en) * | 2022-04-28 | 2023-10-27 | 贵州航天风华精密设备有限公司 | Defect control system for cylindrical castings |
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