CN211758321U - Wax mould dewaxing device - Google Patents
Wax mould dewaxing device Download PDFInfo
- Publication number
- CN211758321U CN211758321U CN202020018783.7U CN202020018783U CN211758321U CN 211758321 U CN211758321 U CN 211758321U CN 202020018783 U CN202020018783 U CN 202020018783U CN 211758321 U CN211758321 U CN 211758321U
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- Prior art keywords
- dewaxing
- kettle
- wax
- solution
- thermocouple
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- 238000011084 recovery Methods 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910018487 Ni—Cr Inorganic materials 0.000 claims description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005495 investment casting Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The patent of the utility model belongs to the technical field of investment casting, concretely relates to wax matrix dewaxing device, including dewaxing cauldron and charging basket. The dewaxing production efficiency after the shell manufacturing is carried out by adopting the utility model is high, compared with the traditional hot water dewaxing, the dewaxing operation is simple and convenient, the dewaxing solution does not need to be prepared, and the wax mould does not need to be immersed in/taken out of the dewaxing solution; the dewaxing temperature is relatively high, the dewaxing time is short, and the efficiency is high; the defect of casting sand hole caused by sand grains drawn into the inner cavity of the mould shell by the dewaxing solution is avoided; because the wax pattern does not need to be immersed into the dewaxing solution, the deposition of sand grains in the dewaxing process is greatly reduced, the cleaning frequency is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The patent of the utility model belongs to the technical field of investment casting, concretely relates to wax matrix dewaxing device.
Background
The process of melting the wax pattern off to form the shell in investment casting is called dewaxing, and hot water dewaxing is mostly used as the dewaxing method. The hot water dewaxing process includes the following basic steps: (1) preparing an ammonium chloride solution with the mass percent of 5-7% as a dewaxing solution; (2) heating a dewaxing solution in a hot water dewaxing device to 85-95 ℃; (3) the wax pattern is dipped into the dewaxing solution for dewaxing, the dewaxing time is based on the wax being completely melted, generally 30 to 50 minutes, and the temperature of the dewaxing solution is required to be kept within the range of 85 to 95 ℃ during the whole dewaxing period.
The hot water dewaxing device in the prior art has the following defects: (1) the operation is complicated, the dewaxing solution needs to be prepared, and the wax mould needs to be immersed in or taken out of the dewaxing solution; (2) the dewaxing temperature is relatively low, and the dewaxing time is long; (3) the dewaxing solution is heated by high-temperature steam to cause the solution to be partially boiled, liquid convection is easily generated in the dewaxing solution, and sand grains deposited at the bottom of a dewaxing groove are drawn into an inner cavity of a formwork by the convection solution to cause subsequent castings to generate sand holes to influence the quality of the castings; (4) more and more sand grains are deposited at the bottom of the dewaxing groove and must be cleaned regularly, and the dewaxing solution must be drained when the wax removing groove is cleaned, so that the dewaxing work is stopped, and the production efficiency of the casting is influenced.
Disclosure of Invention
The utility model provides a to foretell problem, a wax matrix dewaxing device is provided.
In order to achieve the above object, the utility model discloses a technical scheme be: a wax mould dewaxing device comprises a dewaxing kettle and a charging basket; the dewaxing kettle comprises an electric heating wire, a discharging table, a thermocouple, an observation hole, a recovery pipeline and a funnel; the charging basket and the charging platform are of a net structure.
Preferably, the dewaxing kettle further comprises a kettle door, a circulating fan and a handle, and the circulating fan is arranged behind the dewaxing kettle.
Preferably, the basket is placed on the discharge table.
Preferably, the heating wire is distributed on the top of the dewaxing kettle, and the thermocouple is inserted into the kettle from the rear of the dewaxing kettle and can detect the temperature of an effective heating zone in the kettle.
Preferably, the thermocouple is a temperature control thermocouple of the dewaxing kettle and is connected with a control instrument for displaying and controlling the temperature.
Preferably, the dewaxing kettle, the discharge table, the recovery pipeline, the hopper and the charging basket are made of stainless steel, and the electric heating wire is a nickel-chromium electric heating wire.
Preferably, an electromagnetic valve is arranged below the funnel, the recovery pipeline is arranged below the electromagnetic valve, and the recovery pipeline is connected with the wax treatment barrel subsequently to recover wax.
Preferably, the observation hole is made of toughened glass.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the wax mould dewaxing (1) is simple and convenient to operate by adopting the utility model, and the dewaxing solution does not need to be prepared and the wax mould does not need to be immersed in/taken out of the dewaxing solution; (2) the dewaxing temperature is relatively high, the dewaxing time is short, and the efficiency is high; (3) the defect of casting sand hole caused by sand grains drawn into the inner cavity of the mould shell by the dewaxing solution is avoided; (4) because the wax pattern does not need to be immersed into the dewaxing solution, the deposition of sand grains in the dewaxing process is greatly reduced, the cleaning frequency is greatly reduced, and the working efficiency is improved; (5) the labor intensity is reduced, and the labor environment is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly described below, fig. 1 is a front view and a left side view of a dewaxing kettle provided in embodiment 1, and fig. 2 is a basket.
1-dewaxing kettle, 2-kettle door, 3-observation hole, 4-electric heating wire, 5-circulating fan, 6-discharge table, 7-thermocouple, 8-handle, 9-recovery pipeline, 10-funnel, 11-basket, 12-electromagnetic valve.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Example 1
The invention will be further described with reference to the accompanying drawings, in which, as shown in the drawings, the wax pattern dewaxing apparatus comprises a dewaxing kettle 1 and a charging basket 11; the dewaxing kettle 1 comprises an electric heating wire 4, a circulating fan 5, a discharging table 6, a thermocouple 7, a recovery pipeline 9 and a funnel 10; the charging basket 11 and the discharging platform 6 are of a net structure.
The specification of the box body part of the dewaxing kettle 1 is 2m long multiplied by 2m wide multiplied by 2m high, the thickness of a kettle door 2 is 0.1m, the specification of a charging basket 11 is 1.1m long multiplied by 1.1m wide multiplied by 0.15m high, and the bottom of a discharging platform 6 and the bottom of the charging basket 11 are both provided with a plurality of reinforcing ribs.
The heating wire 4 is a nickel-chromium heating wire, and the thermocouple 7 is an S-shaped thermocouple.
The observation hole 3 is made of toughened glass and has a diameter of 0.6 m.
The maximum power of the circulating fan 5 is 0.3 KW.
Along diameter 1.6m on the funnel 10, the perpendicular pipe diameter of below 0.3m, and be in blowing platform 6 below, set up BmZ solenoid valve 12 below the funnel 10, the solenoid valve below is received and is retrieved pipeline 9, and the follow-up wax processing bucket that connects of recovery pipeline 9.
The electric control system comprises a PLC controller, a touch screen, an electric control cabinet, a cable, a bridge frame and the like.
The working principle is as follows: uniformly placing the wax patterns with the sand shells outside in a charging basket, wherein the distance between the wax patterns/the distance between the wax patterns and the wall of the charging basket is 0.1 m; the charging basket is stably placed in the middle of a discharging table of the dewaxing kettle; closing the kettle door to ensure that the electromagnetic valve is in a closed state, setting the temperature to be 160 ℃, starting an electric heating wire and a circulating fan switch, and starting heating to raise the temperature; when the temperature reaches the preset temperature and dewaxing is obvious (observed through an observation hole), opening an electromagnetic valve, and conveying the molten wax to a wax treatment barrel through a recovery pipeline and a subsequent wax conveying pump; after a certain time, when no wax drops flow down from the sand shell through observation holes, the electromagnetic valve is closed, the electric heating wire and the circulating fan switch are closed, and the kettle door is opened to take out the charging basket (with a protective tool) for natural drying; and putting the other charging basket into the dewaxing kettle, closing the kettle door, and continuing dewaxing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the technical matters of the present invention are not departed from the technical contents of the present invention, and any simple modification and equivalent changes made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. A wax pattern dewaxing device is characterized by comprising a dewaxing kettle (1) and a charging basket (11); the dewaxing kettle (1) comprises an electric heating wire (4), a discharge table (6), a thermocouple (7), a recovery pipeline (9), an observation hole (3) and a funnel (10); the charging basket (11) and the discharging platform (6) are of a net structure; the charging basket (11) is placed on the discharging platform (6); the electric heating wire (4) is distributed at the top of the dewaxing kettle (1), and the thermocouple (7) is inserted into the kettle from the rear part of the dewaxing kettle (1) and can detect the temperature of an effective heating zone in the kettle; the thermocouple (7) is a temperature control thermocouple of the dewaxing kettle (1) and is connected with a control instrument for displaying and controlling temperature.
2. A wax pattern dewaxing apparatus according to claim 1, wherein the dewaxing kettle (1) further comprises a kettle door (2), a circulating fan (5) and a handle (8), and the circulating fan (5) is arranged behind the dewaxing kettle (1).
3. The wax pattern dewaxing apparatus according to claim 1, wherein the dewaxing kettle (1), the discharge table (6), the recovery pipeline (9), the hopper (10) and the basket (11) are made of stainless steel, and the electric heating wire (4) is a nickel-chromium electric heating wire.
4. A wax pattern dewaxing apparatus according to claim 1, wherein an electromagnetic valve (12) is arranged below the hopper (10), the recovery pipeline (9) is arranged below the electromagnetic valve (12), and the recovery pipeline (9) is connected with a wax processing barrel to recover wax.
5. A wax pattern dewaxing apparatus according to claim 1, wherein said observation opening (3) is of toughened glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020018783.7U CN211758321U (en) | 2020-01-06 | 2020-01-06 | Wax mould dewaxing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020018783.7U CN211758321U (en) | 2020-01-06 | 2020-01-06 | Wax mould dewaxing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211758321U true CN211758321U (en) | 2020-10-27 |
Family
ID=72888408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020018783.7U Active CN211758321U (en) | 2020-01-06 | 2020-01-06 | Wax mould dewaxing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211758321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976827A (en) * | 2021-10-29 | 2022-01-28 | 河南平原光电有限公司 | Dry-type dewaxing device and method for gypsum mold investment casting |
-
2020
- 2020-01-06 CN CN202020018783.7U patent/CN211758321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976827A (en) * | 2021-10-29 | 2022-01-28 | 河南平原光电有限公司 | Dry-type dewaxing device and method for gypsum mold investment casting |
| CN113976827B (en) * | 2021-10-29 | 2023-09-22 | 河南平原光电有限公司 | Gypsum type investment casting dry dewaxing device and dewaxing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wax mold dewaxing device Effective date of registration: 20220331 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980003579 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221018 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980003579 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wax mold dewaxing device Effective date of registration: 20221025 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980019473 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221107 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980019473 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wax mold dewaxing device Effective date of registration: 20221109 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980021225 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230519 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2022980021225 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wax mold dewaxing device Effective date of registration: 20230525 Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2023980041819 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201027 Pledgee: Bank of Qilu Co.,Ltd. Tai'an Xintai sub branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2023980041819 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wax mold dewaxing device Granted publication date: 20201027 Pledgee: Tai'an Bank Co.,Ltd. Xintai Fuqian Street Branch Pledgor: Shandong Senyu Precision Engineering Technology Co.,Ltd. Registration number: Y2024980005107 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |