CN215467882U - Core-pulling mold used for hanging wood mold structure of handle - Google Patents
Core-pulling mold used for hanging wood mold structure of handle Download PDFInfo
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- CN215467882U CN215467882U CN202121146661.7U CN202121146661U CN215467882U CN 215467882 U CN215467882 U CN 215467882U CN 202121146661 U CN202121146661 U CN 202121146661U CN 215467882 U CN215467882 U CN 215467882U
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Abstract
The utility model discloses a wood pattern structure of a core-pulling mold for a hanging handle, which comprises a base, a neck part fixedly arranged at the upper end of the base and a cap head positioned above the neck part; the cap head comprises a core-pulling block and a plurality of movable blocks which are arranged in a rectangular shape, the movable blocks are spliced to form a circular plate-shaped object with a notch in the middle, and the core-pulling block is arranged in the notch; the maximum length of the size of the movable block is smaller than the minimum inner diameter of the neck; the movable block is provided with a positioning groove in a through mode along the vertical direction, the upper end of the neck is provided with a groove, the groove is located under the positioning groove, and the positioning block is inserted into the positioning groove and the groove. The cap head is made into the wood die, the middle part of the cap head is made into the core-pulling block, the core-pulling block is made by the movable block along the peripheral shape, the smooth manufacture of the cavity of the cap head is ensured by the core-pulling mode, and the die stripping is convenient; the mold can be used for multiple times, so that the manufacturing cost of the mold is saved; the number of the movable blocks is six, the number of the movable blocks and the number of the positioning blocks are reduced, the problem of mold stripping of a model is solved, and good appearance quality of the casting is obtained.
Description
Technical Field
The utility model belongs to the technical field of model manufacturing, and relates to a hanging handle model manufacturing process suitable for large castings such as ingot molds, bases and the like, in particular to a wood mold structure for a hanging handle of a core-pulling mold.
Background
The steel ingot mould casting is provided with lifting handles for lifting, the number of the lifting handles on each steel ingot mould is 4-8 due to different varieties, and the lifting handles are mainly used for overturning and lifting the casting. The traditional hanging handle model is manufactured by dividing a hanging handle into two halves by taking the radial direction of the hanging handle as the center, the model is easy to cause dislocation when a casting model is matched, and finally, a staggered edge and a fash are formed on a casting, so that the polishing amount is large, the lifting safety is influenced, and the appearance of the casting is not good.
Aiming at the defects, the manufacturing process of the ingot mould lifting handle is improved into integral forming, and the head of the lifting handle is larger than the neck, so that the head is not easy to be taken out when the integral forming is used for making a model, and then the head is made of polystyrene foam plastics.
However, at present, a foam cap head is required to be manufactured every time of modeling, the model manufacturing cost is high, and the foam cap head of a real sample needs to be pulled out of a sand mold during mold stripping, so that the mold stripping is inconvenient. The sand mold is a casting cavity made of raw sand, adhesive and other auxiliary materials in the casting production process.
Disclosure of Invention
The utility model aims to provide a wood pattern structure of a core-pulling pattern for a hanging handle, aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a wood pattern structure of a core-pulling mold for a hanging handle comprises a base, a neck fixedly arranged at the upper end of the base and a cap head positioned above the neck; the cap head comprises a core-pulling block and a plurality of movable blocks which are arranged in a rectangular shape, the movable blocks are spliced to form a circular plate-shaped object with a notch in the middle, and the core-pulling block is arranged in the notch; the maximum length of the size of the movable block is smaller than the minimum inner diameter of the neck; the movable block is provided with a positioning groove in a through mode in the vertical direction, the upper end of the neck is provided with a groove, the groove is located under the positioning groove, and the positioning block is inserted into the positioning groove and the groove.
Further, the movable blocks comprise two first movable blocks and four second movable blocks; the first movable blocks are symmetrically arranged on two sides of the core-pulling block; the four second movable blocks are equally divided into two groups, two second movable blocks in each group are symmetrically arranged, and the two second movable blocks are symmetrically arranged on the other two sides of the core pulling block.
According to the utility model, the cap head is made into the wood die, the middle part of the cap head is made into the core-pulling block, the core-pulling block is made by the movable block along the peripheral shape, the smooth manufacture of the cavity of the cap head is ensured by a core-pulling mode, and the die stripping is convenient. Meanwhile, the utility model can be used for many times, thus saving the manufacturing cost of the model.
The number of the movable blocks may be plural, but if the number of the movable blocks is too large, the positioning of the movable blocks may be difficult and troublesome. Further, if the number of the movable blocks is too small, the size of the movable blocks may be large, and if the maximum length of the size of the movable blocks exceeds the minimum inner diameter of the neck, it may be difficult to take out the movable blocks from the neck when the movable blocks are ejected. The number of the movable blocks is six, the movable blocks are simplified and refined into six blocks, the number of the movable blocks and the number of the positioning blocks can be reduced, the problem of mold stripping of a model is solved, and good appearance quality of a casting is obtained.
The positioning block can play a role in positioning, the movable block and the neck can be fixed, and the core-pulling block is arranged between the movable blocks.
Furthermore, the first movable block is arranged in a rectangular shape, and the second movable block is arranged in a right triangle shape.
Furthermore, the side face, far away from the core-pulling block, of the first movable block is arranged in a curved surface shape, and the side face, opposite to the right angle, of the second movable block is arranged in a curved surface shape.
Furthermore, the diameter of the outer section circle of the core-pulling block is smaller than the minimum inner diameter of the neck, so that the core-pulling block can be pulled out of the neck when being stripped.
Furthermore, the upper end surface of the cap head is in a curved surface shape, and the middle part of the curved surface is upwards convex.
Furthermore, the cross section of the positioning block is in an isosceles trapezoid shape, so that the positioning block is prevented from being separated from the positioning groove, and the movable block is fixed to the upper end of the neck.
And further. The neck is columnar.
Further, the base the neck the surface of cap head three is equipped with shellac lacquer layer, epoxy layer according to from inside to outside order in proper order, shellac lacquer layer can prevent that this wood pattern structure from being eaten by the worm, epoxy layer can guarantee to break away from smoothly between this wood pattern structure and the sand mould for drawing a pattern is lighter.
Compared with the prior art, the utility model has the beneficial effects that: the cap head is made into a wood die, the middle part of the cap head is made into a core-pulling block, the core-pulling block is made by a movable block along the peripheral shape, the smooth manufacture of a cavity of the cap head is ensured by a core-pulling mode, and the die stripping is convenient; the utility model can be used for many times, thus saving the cost of model making; and thirdly, the number of the movable blocks is six, the movable blocks are simplified and refined into six blocks, the number of the movable blocks and the number of the positioning blocks can be reduced, the problem of mold stripping of a model is solved, and good appearance quality of the casting is obtained.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic top view of the present invention (without the movable block);
FIG. 4 is a schematic diagram of a first movable block structure according to the present invention;
FIG. 5 is a schematic diagram of a second movable block according to the present invention;
in the figure: 1. a base; 2. a neck portion; 3. a cap head; 4. core extraction; 5. a movable block; 6. positioning a groove; 7. a groove; 8. A first movable block; 9. a second movable block; 10. and (5) positioning the blocks.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 2, 3, 4 and 5, the present embodiment provides a wood pattern structure for a hanging handle of a core-pulling mold, which includes a base 1, a neck portion 2 fixed on an upper end of the base 1, and a cap head 3 located above the neck portion 2. The neck 2 is in a columnar arrangement, the upper end of the cap head 3 is in a curved surface arrangement, and the middle of the curved surface is upwards convex. The base 1, the neck 2 and the cap head 3 are all made of wood materials.
Further, base 1 the neck 2 the surface of 3 three of hat head is equipped with shellac lacquer layer, epoxy layer according to from inside to outside order in proper order, shellac lacquer layer can prevent that this wood pattern structure from being eaten by the worm, epoxy layer can guarantee to break away from smoothly between this wood pattern structure and the sand mould for drawing a pattern is lighter.
The cap head 3 comprises a core-pulling block 4 and a movable block 5 which are arranged in a rectangular shape. The number of the movable blocks 5 is multiple, the movable blocks 5 are spliced to form a circular plate-shaped object with a notch in the middle, the core-pulling block 4 is arranged in the notch, and the shape of the core-pulling block 4 is matched with that of the notch. The maximum length of the block size is less than the minimum inner diameter of the neck.
The movable block 5 is provided with a positioning groove 6 in a penetrating manner along the vertical direction, the upper end of the neck 2 is provided with a groove 7, the groove 7 is positioned under the positioning groove 6, and the positioning block 10 is inserted into the positioning groove 6 and the groove 7.
As shown in fig. 2, in the present embodiment, the movable block 5 includes two first movable blocks 8 and four second movable blocks 9; the first movable blocks 8 are symmetrically arranged at two sides of the core-pulling block 4; four the second movable blocks 9 are equally divided into two groups, two of each group are symmetrically arranged on the second movable blocks 9, and the second movable blocks 9 are symmetrically arranged on the other two sides of the core-pulling block 4.
According to the utility model, the cap head 3 is made into a wood die, the middle part of the cap head 3 is made into the core-pulling block 4, the core-pulling block 4 is made by the movable block 5 along the peripheral shape, the smooth manufacture of the cavity of the cap head 3 is ensured by a core-pulling mode, and the die stripping is convenient. Meanwhile, the utility model can be used for many times, thus saving the manufacturing cost of the model.
The number of the movable blocks 5 may be plural, but if the number of the movable blocks 5 is too large, positioning of the movable blocks 5 may be difficult and troublesome. In addition, if the number of the movable blocks 5 is too small, the size of the movable blocks 5 may be large, and if the maximum length of the size of the movable blocks 5 exceeds the minimum inner diameter of the neck 2, it may be difficult to take out the movable blocks 5 from the neck 2 when the movable blocks 5 are ejected. The number of the movable blocks 5 is six, the movable blocks 5 are simplified and refined into six blocks, the number of the movable blocks 5 and the number of the positioning blocks 10 can be reduced, the problem of mold stripping of a model is solved, and good appearance quality of a casting is obtained.
The positioning block 10 can play a positioning role, and can fix the movable block 5 and the neck 2, so as to arrange the core-pulling block 4 between the movable blocks 5.
Further, the first movable block 8 is arranged in a rectangular shape, and the second movable block 9 is arranged in a right triangle shape. The side surface of the first movable block 8, which is far away from the core-pulling block 4, is arranged in a curved surface shape, and the surface opposite to the right angle in the second movable block 9 is arranged in a curved surface shape.
Furthermore, the diameter of the outer section circle of the core-pulling block 4 is smaller than the minimum inner diameter of the neck part 2, so that the core-pulling block 4 can be pulled out of the neck part 2 when being stripped.
Furthermore, the cross section of the positioning block 10 is in an isosceles trapezoid shape, so that the positioning block 10 is not separated from the positioning groove 6, and the movable block 5 is fixed to the upper end of the neck 2.
The working process is as follows:
and mixing the resin sand, the furan resin and the curing agent, and placing the wood pattern structure in the mixed material until the mixed material is solidified. Subsequently, the neck 2 is removed from the solidified mixture.
And then, the core-pulling block 4 is pulled out from between the movable blocks 5, after the core-pulling block 4 is pulled out, the movable blocks 5 are pulled out, the surface of each movable block 5 is separated from the solidified mixture, and after all the movable blocks 5 are taken out, a cavity formed in the solidified mixture is a hanging handle cavity. And then casting the hanging handle cavity to form the hanging handle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a loose core mould is used for hanging wood pattern structure of handle which characterized in that: comprises a base, a neck part fixedly arranged at the upper end of the base and a cap head positioned above the neck part; the cap head comprises a core-pulling block and a plurality of movable blocks which are arranged in a rectangular shape, the movable blocks are spliced to form a circular plate-shaped object with a notch in the middle, and the core-pulling block is arranged in the notch; the maximum length of the size of the movable block is smaller than the minimum inner diameter of the neck; the movable block is provided with a positioning groove in a through mode in the vertical direction, the upper end of the neck is provided with a groove, the groove is located under the positioning groove, and the positioning block is inserted into the positioning groove and the groove.
2. The wood mold structure of the core pulling mold for the lifting handle according to claim 1, wherein the movable blocks comprise two first movable blocks and four second movable blocks; the first movable blocks are symmetrically arranged on two sides of the core-pulling block; the four second movable blocks are equally divided into two groups, two second movable blocks in each group are symmetrically arranged, and the two second movable blocks are symmetrically arranged on the other two sides of the core pulling block.
3. The wood mold structure for the lifting handle of the core pulling mold according to claim 2, wherein the first movable block is arranged in a rectangular shape, and the second movable block is arranged in a right triangle shape.
4. The wood mold structure for the lifting handle of the core-pulling mold according to claim 3, wherein the side surface of the first movable block, which is far away from the core-pulling block, is arranged in a curved surface shape, and the surface opposite to the right angle in the second movable block is arranged in a curved surface shape.
5. The wood pattern structure of the core-pulling die for the lifting handle according to claim 1, wherein the diameter of the outer section circle of the core-pulling block is smaller than the minimum inner diameter of the neck.
6. The wood mold structure for the lifting handle of the core pulling mold according to claim 1, wherein the upper end surface of the cap head is arranged in a curved surface shape, and the middle part of the curved surface is raised upwards.
7. The wood pattern structure of the loose core die for the hanging handle according to claim 1, wherein the cross section of the positioning block is in an isosceles trapezoid shape.
8. The wood pattern structure of the core pulling die for the hanging handle according to claim 1, wherein the neck is arranged in a column shape.
9. The wood mold structure for the hanging handle of the core-pulling mold according to claim 1, wherein a shellac paint layer and an epoxy resin layer are sequentially arranged on the outer surfaces of the base, the neck and the cap head from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146661.7U CN215467882U (en) | 2021-05-26 | 2021-05-26 | Core-pulling mold used for hanging wood mold structure of handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146661.7U CN215467882U (en) | 2021-05-26 | 2021-05-26 | Core-pulling mold used for hanging wood mold structure of handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215467882U true CN215467882U (en) | 2022-01-11 |
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ID=79780325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121146661.7U Active CN215467882U (en) | 2021-05-26 | 2021-05-26 | Core-pulling mold used for hanging wood mold structure of handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215467882U (en) |
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2021
- 2021-05-26 CN CN202121146661.7U patent/CN215467882U/en active Active
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