CN113798438A - Dewaxing device for investment casting - Google Patents
Dewaxing device for investment casting Download PDFInfo
- Publication number
- CN113798438A CN113798438A CN202110966884.6A CN202110966884A CN113798438A CN 113798438 A CN113798438 A CN 113798438A CN 202110966884 A CN202110966884 A CN 202110966884A CN 113798438 A CN113798438 A CN 113798438A
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- CN
- China
- Prior art keywords
- dewaxing
- heat insulation
- box
- insulation box
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005495 investment casting Methods 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003110 molding sand Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/043—Removing the consumable pattern
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a dewaxing device for investment casting, which comprises a dewaxing box, wherein a heating plate is arranged on the inner side wall of the dewaxing box, a heat insulation box is arranged in the dewaxing box, the outer side wall of the heat insulation box is fixedly connected with a ring plate, the ring plate is clamped with the opening side wall of the dewaxing box, the upper end of the heat insulation box is connected with a end cover through a bolt, a fastening screw rod is connected onto the end cover through a thread, the lower end of the fastening screw rod is fixedly connected with a pressing block, a pressing plate is arranged in the heat insulation box and is tightly attached to the inner wall of the heat insulation box, the side wall of the heat insulation box is connected with a steam inlet pipe, the steam inlet pipe penetrates through the ring plate, the bottom of the heat insulation box is provided with a plurality of through holes, the bottom end surface of the heat insulation box is provided with a lower clamping block, and the lower end surface of the pressing plate is provided with an upper clamping block; the dewaxing device adopts the combination of high-temperature steam dewaxing and hot water dewaxing, improves the dewaxing effect and the dewaxing efficiency of the wax model shell, avoids the waste of the dewaxing solution caused by the molding sand on the surface of the wax model shell falling into the dewaxing solution, has simple structure, is convenient to operate and use, and can adapt to the dewaxing of different wax model shells.
Description
Technical Field
The invention relates to the technical field of investment casting, in particular to a dewaxing device for investment casting.
Background
The investment casting is also called lost wax casting, and comprises the procedures of wax pressing, wax trimming, tree forming, slurry dipping, wax melting, molten metal casting, post-treatment and the like. The dewaxing operation is required after the wax model shell is manufactured, the prior dewaxing method mostly adopts hot water for dewaxing, the energy consumption is high, the shell is heated unevenly, the dewaxing is incomplete, the dewaxing effect is poor, the casting sand on the surface of the shell falls into the dewaxing solution, the dewaxing solution is easily wasted, and some methods also adopt steam for dewaxing.
Disclosure of Invention
The dewaxing device for investment casting is simple in structure, convenient to operate and use, capable of adapting to dewaxing of different wax model shells and effectively solving the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a dewaxing device for investment casting comprises a dewaxing box, wherein a heating plate is arranged on the inner side wall of the dewaxing box, dewaxing liquid is contained in the dewaxing box, a heat insulation box is arranged in the dewaxing box, a ring plate is fixedly connected to the outer side wall of the heat insulation box, the ring plate is clamped with the side wall of an opening of the dewaxing box, an upper end of the heat insulation box is connected with a end cover through a bolt, a fastening screw rod is connected onto the end cover in a threaded manner, a pressing block is fixedly connected to the lower end of the fastening screw rod, a pressing plate is arranged in the heat insulation box and closely attached to the inner wall of the heat insulation box, a steam inlet pipe is connected to the side wall of the heat insulation box and penetrates through the ring plate, a plurality of through holes are formed in the bottom of the heat insulation box, a lower clamping block is arranged on the outer side of the through holes of the bottom end face of the heat insulation box, an upper clamping block corresponding to the lower clamping block is arranged on the lower end face of the pressing plate, and a wax model shell is clamped between the upper clamping block and the lower clamping block, and the pouring gate of the wax model shell is arranged towards the through hole.
Preferably, the inner wall of the temperature insulation box below the pressure plate is fixedly connected with an annular box plate, the annular box plate is communicated with the steam inlet pipe, the inner wall of the annular box plate is communicated with a plurality of strip-shaped channels, and air outlet holes are formed in the side faces of all the strip-shaped channels.
Preferably, the air outlet holes are arranged on the same strip-shaped channel, and the opening directions of all the air outlet holes are clockwise or anticlockwise arranged.
Preferably, the lower fixture block and the upper fixture block are detachably connected with the bottom of the heat insulation box and the lower end surface of the pressure plate respectively.
Preferably, the outer side wall of the pressing plate is fixedly connected with an annular rubber strip, and the annular rubber strip is made of high-temperature-resistant materials.
Preferably, the upper end face of the end cover is fixedly connected with a pull ring.
Compared with the prior art, the invention has the following beneficial effects: the dewaxing device adopts the combination of high-temperature steam dewaxing and hot water dewaxing, improves the dewaxing effect and the dewaxing efficiency of the wax model shell, avoids the waste of the dewaxing solution caused by the molding sand on the surface of the wax model shell falling into the dewaxing solution, has simple structure, is convenient to operate and use, and can adapt to the dewaxing of different wax model shells.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic plan view of the annular box plate of the present invention.
In the figure: 1. a dewaxing box; 2. heating plates; 3. a heat insulation box; 4. a ring plate; 5. an end cap; 6. fastening a screw rod; 7. briquetting; 8. pressing a plate; 9. a steam inlet pipe; 10. a through hole; 11. a lower clamping block; 12. an upper clamping block; 13. a wax model shell; 14. an annular box plate; 15. a strip channel; 16. an air outlet; 17. an annular adhesive tape; 18. and (4) a pull ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-2, a dewaxing device for investment casting comprises a dewaxing box 1, wherein a heating plate 2 is arranged on the inner side wall of the dewaxing box 1, dewaxing liquid is contained in the dewaxing box 1, a thermal insulation box 3 is arranged in the dewaxing box 1, the outer side wall of the thermal insulation box 3 is fixedly connected with a ring plate 4, the ring plate 4 is clamped with the opening side wall of the dewaxing box 1, the upper end of the thermal insulation box 3 is connected with a end cover 5 through a bolt, a fastening screw rod 6 is connected to the end cover 5 through a thread, the lower end of the fastening screw rod 6 is fixedly connected with a pressing block 7, a pressing plate 8 is arranged in the thermal insulation box 3, the pressing plate 8 is tightly attached to the inner wall of the thermal insulation box 3, the side wall of the thermal insulation box 3 is connected with a steam inlet pipe 9, the steam inlet pipe 9 penetrates through the ring plate 4, a plurality of through holes 10 are arranged at the bottom of the thermal insulation box 3, a lower clamping block 11 is arranged on the bottom end surface of the thermal insulation box 3 outside the through holes 10, an upper clamping block 12 corresponding to the lower clamping block 11 is arranged on the lower end face of the pressing plate 8, a wax model shell 13 is clamped between the upper clamping block 12 and the lower clamping block 11, and a pouring port of the wax model shell 13 faces the through hole 10.
In specific implementation, the upper fixture block 12 and the lower fixture block 11 are prefabricated according to the shape of a wax mould, the upper fixture block 12 and the lower fixture block 11 are fixedly installed at the bottoms of the pressing plate 8 and the heat insulation box 3, the pouring port of the wax mould shell 13 faces to the lower side, then the pressing plate 8 is covered, the upper fixture block 11 and the lower fixture block 11 are fixedly clamped on the wax mould shell 13, after the upper end cover 5 is covered and fixed, the screw rod 6 is fastened in a rotating mode, the pressing plate 7 is tightly pressed on the pressing plate 8, the heat insulation box 3 is placed into the dewaxing box 1 through the lifting device, steam is introduced into the heat insulation box 3 and is heated to dewax the wax mould shell 13, the dewaxing effect and the dewaxing efficiency of the wax mould shell 13 are improved by combining high-temperature steam dewaxing and hot water dewaxing, the waste of the dewaxing solution caused by the falling of molding sand on the surface of the wax mould shell 13 into the dewaxing solution is avoided, the dewaxing solution is simple in structure and convenient to operate and use, and can adapt to the dewaxing of different wax moulds 13, in the dewaxing process, the heat insulation box 3 is hoisted in a reciprocating way by the hoisting device until the shell dewaxing is finished.
In this embodiment, the inner wall of the heat insulation box 3 below the pressure plate 8 is fixedly connected with an annular box plate 14, the annular box plate 14 is communicated with the steam inlet pipe 9, the inner wall of the annular box plate 14 is communicated with a plurality of strip-shaped channels 15, and all the side surfaces of the strip-shaped channels 15 are provided with air outlet holes 16.
In this embodiment, the venthole 16 is equipped with a plurality ofly on same bar passageway 15, all the opening orientation of venthole 16 is clockwise or anticlockwise setting, improves the gaseous flow in the thermal-insulated case 3, the heating of being convenient for.
In this embodiment, the lower fixture block 11 and the upper fixture block 12 are detachably connected to the bottom of the thermal insulation box 3 and the lower end surface of the pressing plate 8, respectively.
In this embodiment, the outer side wall of the pressing plate 8 is fixedly connected with an annular rubber strip 17, and the annular rubber strip 17 is made of a high-temperature-resistant material.
In this embodiment, a pull ring 18 is fixedly connected to the upper end surface of the end cap 5.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides an investment casting is with dewaxing device, includes dewaxing case, its characterized in that: the inner side wall of the dewaxing box is provided with a heating plate, the dewaxing box is internally provided with a heat insulation box, the outer side wall of the heat insulation box is fixedly connected with a ring plate, the ring plate is clamped with the opening side wall of the dewaxing box, the upper end of the heat insulation box is connected with a end cover through a bolt, a fastening screw rod is connected to the end cover through a thread, the lower end of the fastening screw rod is fixedly connected with a pressing block, a pressing plate is arranged in the heat insulation box and closely attached to the inner wall of the heat insulation box, the side wall of the heat insulation box is connected with a steam inlet pipe, the steam inlet pipe penetrates through the ring plate, the bottom of the heat insulation box is provided with a plurality of through holes, the bottom end face of the heat insulation box is located at the outer side of the through holes, a lower clamping block is installed on the outer side of the through holes, an upper clamping block corresponding to the lower clamping block is arranged on the lower clamping block, and a wax model shell is clamped between the upper clamping block and the lower clamping block, and a pouring port of the wax shell is arranged towards the through holes.
2. The dewaxing apparatus for investment casting of claim 1, wherein: the inner wall of the insulation box below the pressing plate is fixedly connected with an annular box plate, the annular box plate is communicated with the steam inlet pipe, the inner wall of the annular box plate is communicated with a plurality of strip-shaped channels, and all the side surfaces of the strip-shaped channels are provided with air outlet holes.
3. The dewaxing apparatus for investment casting of claim 2, wherein: the air outlet holes are arranged on the same strip-shaped channel, and the opening orientations of all the air outlet holes are clockwise or anticlockwise arranged.
4. The dewaxing apparatus for investment casting of claim 1, wherein: the lower clamping block and the upper clamping block are detachably connected with the bottom of the heat insulation box and the lower end surface of the pressing plate respectively.
5. The dewaxing apparatus for investment casting of claim 1, wherein: the outer side wall of the pressing plate is fixedly connected with an annular rubber strip, and the annular rubber strip is made of high-temperature-resistant materials.
6. The dewaxing apparatus for investment casting of claim 1, wherein: the upper end face of the end cover is fixedly connected with a pull ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966884.6A CN113798438A (en) | 2021-08-23 | 2021-08-23 | Dewaxing device for investment casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966884.6A CN113798438A (en) | 2021-08-23 | 2021-08-23 | Dewaxing device for investment casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113798438A true CN113798438A (en) | 2021-12-17 |
Family
ID=78893853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110966884.6A Pending CN113798438A (en) | 2021-08-23 | 2021-08-23 | Dewaxing device for investment casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113798438A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383090A (en) * | 2022-08-16 | 2022-11-25 | 江苏联诚精密合金科技有限公司 | Automatic preheating system of casting mold |
| CN115846593A (en) * | 2022-11-28 | 2023-03-28 | 洛阳航辉新材料有限公司 | Dewaxing equipment for precision investment casting |
| CN115971418A (en) * | 2022-12-06 | 2023-04-18 | 江苏神铸智能科技有限公司 | Precision casting dewaxing machine with steam washing function |
| CN116475360A (en) * | 2023-04-17 | 2023-07-25 | 南京优耐特精密机械制造有限公司 | Wax pattern dewaxing device and dewaxing method for investment casting |
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| CN104889324A (en) * | 2015-05-22 | 2015-09-09 | 合肥强安精工装备技术有限公司 | Steam dewaxing kettle and dewaxing method based on kettle |
| CN206747532U (en) * | 2017-05-28 | 2017-12-15 | 龙南新晶钛业有限公司 | Metal alloy casting sizing dewaxing device |
| CN207431179U (en) * | 2017-11-30 | 2018-06-01 | 四川法拉特不锈钢铸造有限公司 | A kind of fast dewaxing device |
| CN211437993U (en) * | 2019-08-15 | 2020-09-08 | 泰州安邦精密铸造有限公司 | Dewaxing kettle with improved structure |
| CN211965831U (en) * | 2020-03-18 | 2020-11-20 | 江西龙宇铜文化传播有限公司 | Novel dewaxing cauldron |
| CN212419520U (en) * | 2020-05-11 | 2021-01-29 | 霍山县忠福机电科技有限公司 | Wax mold dewaxing device for investment casting |
| CN213645783U (en) * | 2020-11-13 | 2021-07-09 | 新沂市华洋金属制品有限公司 | Investment casting is with die shell dewaxing device |
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2021
- 2021-08-23 CN CN202110966884.6A patent/CN113798438A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889324A (en) * | 2015-05-22 | 2015-09-09 | 合肥强安精工装备技术有限公司 | Steam dewaxing kettle and dewaxing method based on kettle |
| CN206747532U (en) * | 2017-05-28 | 2017-12-15 | 龙南新晶钛业有限公司 | Metal alloy casting sizing dewaxing device |
| CN207431179U (en) * | 2017-11-30 | 2018-06-01 | 四川法拉特不锈钢铸造有限公司 | A kind of fast dewaxing device |
| CN211437993U (en) * | 2019-08-15 | 2020-09-08 | 泰州安邦精密铸造有限公司 | Dewaxing kettle with improved structure |
| CN211965831U (en) * | 2020-03-18 | 2020-11-20 | 江西龙宇铜文化传播有限公司 | Novel dewaxing cauldron |
| CN212419520U (en) * | 2020-05-11 | 2021-01-29 | 霍山县忠福机电科技有限公司 | Wax mold dewaxing device for investment casting |
| CN213645783U (en) * | 2020-11-13 | 2021-07-09 | 新沂市华洋金属制品有限公司 | Investment casting is with die shell dewaxing device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383090A (en) * | 2022-08-16 | 2022-11-25 | 江苏联诚精密合金科技有限公司 | Automatic preheating system of casting mold |
| CN115383090B (en) * | 2022-08-16 | 2023-12-26 | 江苏联诚精密合金科技有限公司 | Automatic preheating system of casting mold |
| CN115846593A (en) * | 2022-11-28 | 2023-03-28 | 洛阳航辉新材料有限公司 | Dewaxing equipment for precision investment casting |
| CN115846593B (en) * | 2022-11-28 | 2023-10-20 | 洛阳航辉新材料有限公司 | Dewaxing method for precision investment casting |
| CN115971418A (en) * | 2022-12-06 | 2023-04-18 | 江苏神铸智能科技有限公司 | Precision casting dewaxing machine with steam washing function |
| CN115971418B (en) * | 2022-12-06 | 2023-12-26 | 江苏神铸智能科技有限公司 | Accurate foundry goods dewaxing machine with steam washing function |
| CN116475360A (en) * | 2023-04-17 | 2023-07-25 | 南京优耐特精密机械制造有限公司 | Wax pattern dewaxing device and dewaxing method for investment casting |
| CN116475360B (en) * | 2023-04-17 | 2023-10-24 | 南京优耐特精密机械制造有限公司 | Wax pattern dewaxing device and dewaxing method for investment casting |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211217 |