CN220782164U - Medal casting device - Google Patents
Medal casting device Download PDFInfo
- Publication number
- CN220782164U CN220782164U CN202322325954.7U CN202322325954U CN220782164U CN 220782164 U CN220782164 U CN 220782164U CN 202322325954 U CN202322325954 U CN 202322325954U CN 220782164 U CN220782164 U CN 220782164U
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- pouring
- medal
- die holder
- cavity
- runner
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- 238000005266 casting Methods 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of casting devices, in particular to a medal casting device which comprises an upper die holder and a lower die holder; arc-shaped concave cavities are formed in the lower end face of the upper die base and the upper end face of the lower die base, and the arc-shaped concave cavities are spliced up and down to form a medal pouring cavity; the outer corner of the medal pouring cavity is also horizontally provided with a pouring runner, one end of the pouring runner is communicated with the medal pouring cavity corner through a pouring opening, and the other end of the pouring runner is respectively communicated with a pouring sleeve after passing through the upper die holder and the lower die holder. According to the medal casting device, the side pouring runner is adopted for relative injection processing, so that the runner length is shortened, the rapid flowing filling of pouring liquid is ensured, the occurrence of shrinkage cavity phenomenon is reduced, and the overall pouring quality is improved; the external surface quality of the later-stage product is ensured by changing the position of the pouring opening.
Description
Technical Field
The utility model relates to the technical field of casting devices, in particular to a medal casting device.
Background
With the continuous progress of society, medals are widely used in various industries. Different medals represent different meanings. Medallions are manufactured in a number of steps, with casting being an important component. At present, various casting devices are usually arranged to perform casting processing operation of the medal, but shrinkage hole phenomenon can occur more or less, a pouring opening of the medal is often left after casting is completed, subsequent processing is needed, and if the processing is not finished, the surface quality of the medal can be directly affected. The device for high-precision casting of the commemorative medal disclosed in the patent number CN202121946849.X comprises a casting die body, wherein the casting die body comprises an upper die and a lower die which are in up-down butt joint, a positioning column for positioning and fixing is also adaptively arranged between the upper die and the lower die, a pressurizing mechanism is arranged at the top of the upper die, a casting cavity for casting parts is arranged in the casting die body, the pressurizing mechanism comprises a fixed cylinder plug fixed at the top of the upper die, a movable punch capable of being pushed back and forth is arranged in the fixed cylinder plug, the casting cavity comprises a herringbone main runner, the top end of the main runner vertically extends and is communicated with the outside, the heat distribution in the casting cavity is uniform, air holes are reduced, the probability of occurrence of air shrinkage holes is reduced, the occurrence probability of air hole defects is reduced, the casting precision of the commemorative medal is improved, and the production process is improved. The medal casting equipment with the structure is provided with the herringbone main runner for casting, but the length of the runner is increased, so that the fluidity of casting liquid in the casting process is influenced, and the casting equipment is blocked due to frequent condensation phenomenon, so that the whole casting is greatly influenced; the pouring opening is arranged on the central end face of the medal pouring cavity, and the quality of the end face in the later stage can be seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problems in the background technology, the medal casting device adopts the side pouring runner to carry out relative injection processing, shortens the runner length, ensures the rapid flowing filling of pouring liquid, reduces the occurrence of shrinkage cavity phenomenon and improves the overall pouring quality; the external surface quality of the later-stage product is ensured by changing the position of the pouring opening.
The technical scheme adopted for solving the technical problems is as follows: a medal casting device comprises an upper die holder and a lower die holder; arc-shaped concave cavities are formed in the lower end face of the upper die base and the upper end face of the lower die base, and the arc-shaped concave cavities are spliced up and down to form a medal pouring cavity; the outer corner of the medal pouring cavity is also horizontally provided with a pouring runner, one end of the pouring runner is communicated with the medal pouring cavity corner through a pouring opening, and the other end of the pouring runner is respectively communicated with a pouring sleeve after passing through the upper die holder and the lower die holder.
Further limited, in the above technical scheme, the inner side of the medal pouring cavity is also provided with an overflow cavity, and the overflow cavities are respectively communicated with corners of the medal pouring cavity through flow channels; the overflow cavity is arranged in the lower die holder.
Further limited, in the above technical scheme, the buffer cavity is further vertically arranged on the inner lower end surface of the medal pouring cavity, and the buffer cavity is communicated with the medal pouring cavity.
Further limited, in the above technical scheme, the upper part of the medal pouring cavity is further provided with a first heating pipeline, and the first heating pipeline is embedded in the upper die holder.
Further limited, in the above technical scheme, the lower part of the medal pouring cavity is further provided with a second heating pipeline, and the second heating pipeline is embedded in the lower die holder.
Further limited, in the above technical scheme, guide posts are arranged on the upper end face of the lower die holder, guide holes are further arranged at corresponding positions on the lower end face of the upper die holder, and the upper die holder is movably pressed on the guide posts on the lower die holder through the guide holes.
The beneficial effects of the utility model are as follows: according to the medal casting device, the side pouring runner is adopted for relative injection processing, so that the runner length is shortened, the rapid flowing filling of pouring liquid is ensured, the occurrence of shrinkage cavity is reduced, and the overall pouring quality is improved; the external surface quality of the later-stage product is ensured by changing the position of the pouring opening.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of an upper die holder and a lower die holder opened in the present utility model.
The reference numerals in the drawings are: 1. the casting mold comprises an upper mold base, 2, a lower mold base, 3, an arc-shaped concave cavity, 4, a medal casting cavity, 5, a casting runner, 6, a casting sleeve, 7, an overflow cavity, 8, a buffer cavity, 9, a first heating pipeline, 10, a second heating pipeline, 11, a guide pillar, 12 and a guide hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In this application, the upper die holder 1 and the lower die holder 2 are both made of molding sand.
The utility model discloses a pouring runner 5 that the level set up has been adopted, sets up the fillet position department of pouring gate at medal pouring cavity 4 corner department, can be convenient for it polish the operation like this, also can not influence whole medal surface quality.
The application is still through setting up the heating operation of first heating pipeline 9 and second heating pipeline 10 in the pouring process, can further ensure that the pouring liquid can keep its mobility, fills medal pouring cavity 4 fast, avoids the jam problem that the condensation leads to appear midway, also prevents the emergence of its shrinkage cavity phenomenon to a great extent.
Referring to fig. 1 and 2, a medal casting device is shown, which comprises an upper die holder 1 and a lower die holder 2; arc-shaped concave cavities 3 are formed in the lower end face of the upper die holder 1 and the upper end face of the lower die holder 2, and the arc-shaped concave cavities 3 are spliced up and down to form a medal pouring cavity 4; the outer corner of the medal pouring cavity 4 is also horizontally provided with a pouring runner 5, one end of the pouring runner 5 is communicated with the corner of the medal pouring cavity 4 through a pouring opening, and the other end of the pouring runner 5 is respectively communicated with a pouring sleeve 6 after passing through the upper die holder 1 and the lower die holder 2.
Wherein, the inner side of the medal pouring cavity 4 is also provided with an overflow cavity 7, and the overflow cavities 7 are respectively communicated with corners of the medal pouring cavity 4 through flow channels; the overflow cavity 7 is arranged inside the lower die holder 2. And a buffer cavity 8 is also vertically arranged on the inner lower end surface of the medal pouring cavity 4, and the buffer cavity 8 is communicated with the medal pouring cavity 4. The upper part of the medal pouring cavity 4 is also provided with a first heating pipeline 9, and the first heating pipeline 9 is embedded and arranged in the upper die holder 1. The lower part of the medal pouring cavity 4 is also provided with a second heating pipeline 10, and the second heating pipeline 10 is embedded and arranged in the lower die holder 2. Guide posts 11 are arranged on the upper end face of the lower die holder 2, guide holes 12 are further formed in corresponding positions on the lower end face of the upper die holder 1, and the upper die holder 1 is movably pressed on the guide posts 11 on the lower die holder 2 through the guide holes 12.
The operation principle of the medal casting device is as follows:
firstly, an operator installs an upper die holder 1 on mechanical equipment, realizes pressing and sealing of the upper die holder 1 and a lower die holder 2 by controlling the lower die holder 1 to move downwards, then performs relative injection operation through a pouring runner 5, and rapidly fills injection liquid into a medal injection cavity 4, and redundant injection liquid flows into an overflow cavity 7, and after heat preservation for a period of time, the upper die holder 1 and the lower die holder 2 are broken, and medal products can be taken out.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a medal casting device which characterized in that: comprises an upper die holder and a lower die holder; arc-shaped concave cavities are formed in the lower end face of the upper die base and the upper end face of the lower die base, and the arc-shaped concave cavities are spliced up and down to form a medal pouring cavity; the outer corner of the medal pouring cavity is also horizontally provided with a pouring runner, one end of the pouring runner is communicated with the medal pouring cavity corner through a pouring opening, and the other end of the pouring runner is respectively communicated with a pouring sleeve after passing through the upper die holder and the lower die holder.
2. A medal casting apparatus according to claim 1, wherein: the inner side of the medal pouring cavity is also provided with an overflow cavity, and the overflow cavities are respectively communicated with corners of the medal pouring cavity through flow channels; the overflow cavity is arranged in the lower die holder.
3. A medal casting apparatus according to claim 1, wherein: and a buffer cavity is further vertically arranged on the inner lower end surface of the medal pouring cavity, and the buffer cavity is communicated with the medal pouring cavity.
4. A medal casting apparatus according to claim 1, wherein: the upper part of the medal pouring cavity is also provided with a first heating pipeline which is embedded in the upper die holder.
5. A medal casting apparatus according to claim 1, wherein: the lower part of the medal pouring cavity is also provided with a second heating pipeline which is embedded in the lower die holder.
6. A medal casting apparatus according to claim 1, wherein: guide posts are arranged on the upper end face of the lower die holder, guide holes are further formed in the corresponding positions on the lower end face of the upper die holder, and the upper die holder is movably pressed on the guide posts on the lower die holder through the guide holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325954.7U CN220782164U (en) | 2023-08-28 | 2023-08-28 | Medal casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325954.7U CN220782164U (en) | 2023-08-28 | 2023-08-28 | Medal casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782164U true CN220782164U (en) | 2024-04-16 |
Family
ID=90637258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325954.7U Active CN220782164U (en) | 2023-08-28 | 2023-08-28 | Medal casting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782164U (en) |
-
2023
- 2023-08-28 CN CN202322325954.7U patent/CN220782164U/en active Active
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