CN207709796U - Fired mold precision casting type shell dewaxing slot - Google Patents
Fired mold precision casting type shell dewaxing slot Download PDFInfo
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- CN207709796U CN207709796U CN201721565467.6U CN201721565467U CN207709796U CN 207709796 U CN207709796 U CN 207709796U CN 201721565467 U CN201721565467 U CN 201721565467U CN 207709796 U CN207709796 U CN 207709796U
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- dewaxing
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Abstract
The utility model is related to casting technology fields, specifically provide fired mold precision casting type shell dewaxing slot, and dewaxing slot outer wall is equipped with insulating layer, and lifting gear is lifted for controlling shell promotion basket in dewaxing slot；Dewaxing liquid is placed in dewaxing slot, the interior liquid level in dewaxing liquid of dewaxing slot heats layer hereinafter, top layer is side, and centre is bottom heating layer, and lowest level is the beds of precipitation；Side heats in layer, and detour heating tube is provided in the groove sidewall that dewaxes；Bottom heats in layer, is provided with horizontal Secondary Heat Source pipeline, is communicated with heat conduction inclined plate above Secondary Heat Source pipeline, and heat conduction inclined plate is mutually parallel installation；Beds of precipitation bottom is equipped with sewage draining exit.Fired mold precision casting type shell dewaxing slot provided by the utility model, is heated using dewaxing liquid and is dewaxed, dewaxing liquid uses anhydrous dewaxing material, is heated simultaneously from side and bottom surface so that dewaxing liquid is heated evenly, and it is not in back dissolving phenomenon to be not easy local boiling.
Description
Technical field
The utility model is related to casting technology fields, specifically provide fired mold precision casting type shell dewaxing slot.
Background technology
Precision-investment casting high-precision, labyrinth casting, especially high smelting temperature, high chemically active metal at
Irreplaceable role is played in shape.Full form casting process process includes compacting wax-pattern, group tree, shell processed, dewaxing, roasts, pours
Cast casting.Impeller etc. shrewdness casting, all be use alloy precision-investment casting, surface shell technique be wherein important step it
One.Its process for making shell scheme is face layer by the high extraordinary oxide of chemical stability（Such as yttrium oxide, zirconium oxide）It constitutes, remaining type
Shell material and process for making shell are identical as common investment pattern precision casting technique.
Alloy precision-investment casting is mainly steam dewaxing method to the dewaxing of shell, and equipment used in the technique is steam
Dewaxing furnace, the technique are very tight to the shell Modeling Material requirement of titanium alloy precise-investment casting, high-precision in order to produce
Aerospace alloy-steel casting, the face layer that the country uses is yttrium shell, however yttrium oxide has stronger water suction
Property to cause steam course face layer will produce back dissolving phenomenon.
Utility model content
In view of the above technical problems, the purpose of this utility model is to provide a kind of fired mold precision casting type shell dewax slot,
So that shell is not in not only the crackle caused by wax material expands in dewaxing process, nor will appear because absorbing water, inhaling
Layer yttrium oxide back dissolving in face caused by tide.
Specifically technical solution is：
Fired mold precision casting type shell dewaxing slot, including dewaxing slot and shell promote basket, and the dewaxing slot outer wall, which is equipped with, to be protected
Warm layer；Lifting gear is provided with above the dewaxing slot, the lifting gear promotes basket in dewaxing slot for controlling shell
Interior lifting；
It is placed with dewaxing liquid in the dewaxing slot, in the liquid level of dewaxing liquid hereinafter, be divided into three layers from top to bottom in dewaxing slot,
Top layer is that side heats layer, and centre is that bottom heats layer, and lowest level is the beds of precipitation；
In the side heating layer, detour heating tube, the detour heating tube import are provided in the groove sidewall that dewaxes
It is connect with the first heat source pipeline, outlet is connect with recovery channel；
In the bottom heating layer, it is provided with horizontal Secondary Heat Source pipeline, is connected above the Secondary Heat Source pipeline
It is connected with heat conduction inclined plate, the heat conduction inclined plate is mutually parallel installation；The outlet of Secondary Heat Source pipeline is connect with recovery channel；
The beds of precipitation bottom is equipped with sewage draining exit.
Further, the heat conduction inclined plate is sandwich, is cavity in interlayer, and cavity connects with Secondary Heat Source pipeline
It is logical.
The top of optimization design, the heat conduction inclined plate is tilted to the export direction of Secondary Heat Source pipeline.
Further, the dewaxing slot bottom cross section is inverted trapezium structure, is precipitation in trapezium structure region
Layer.
Fired mold precision casting type shell dewaxing slot provided by the utility model, is heated using dewaxing liquid and is dewaxed, dewaxing liquid uses
Anhydrous dewaxing material, is heated simultaneously from side and bottom surface so that dewaxing liquid is heated evenly, and is not easy local boiling, does not use steaming
Vapour directly heats casting shell, is not in back dissolving phenomenon, and the waste residue generated in dewaxing process passes through sloping plate deposition on earth
Portion will not cause surface to influence on casting.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model.
The slot as shown in Figure 1, fired mold precision casting type shell dewaxes, including dewaxing slot 1 and shell promote basket 10, the dewaxing
1 outer wall of slot is equipped with insulating layer 2；1 top of dewaxing slot is provided with lifting gear 11, and the lifting gear 11 is for controlling
Shell promotes the lifting in dewaxing slot 1 of basket 10；
Dewaxing liquid 3 is placed in the dewaxing slot 1, the interior liquid level in dewaxing liquid 3 of dewaxing slot 1 hereinafter, be divided into from top to bottom
Three layers, top layer is that side heats layer, and centre is that bottom heats layer, and lowest level is the beds of precipitation；
In the described side heating layer, be provided with detour heating tube 6 on 1 side wall of slot that dewaxes, the detour heating tube 6 into
Mouth is connect with the first heat source pipeline 4, and outlet is connect with recovery channel；
In the bottom heating layer, it is provided with horizontal Secondary Heat Source pipeline 5,5 top of Secondary Heat Source pipeline
It is communicated with heat conduction inclined plate 7, the heat conduction inclined plate 7 is mutually parallel installation；The outlet of Secondary Heat Source pipeline 5 connects with recovery channel
It connects；
The beds of precipitation bottom is equipped with sewage draining exit 9.
The heat conduction inclined plate 7 is sandwich, is cavity in interlayer, cavity is connected to Secondary Heat Source pipeline 5.
The top of the heat conduction inclined plate 7 is tilted to the export direction of Secondary Heat Source pipeline 5.The effect of heat conduction inclined plate 7, can
To be heated to dewaxing liquid 3 in bottom, heating surface is big, homogeneous heating, and can also play the role of sloping plate deposition separation,
Inclined plate is set in the beds of precipitation, suspended impurity in dewaxing liquid 3 is made to be precipitated between inclined plate, dewaxing liquid rises along inclined plate to be flowed,
The body refuse isolated is under the effect of gravity along inclined plate to being snapped down to slot bottom, then concentrates discharge.
The 1 bottom cross section of dewaxing slot is inverted trapezium structure 8, is the beds of precipitation in 8 region of trapezium structure.
Heat source in first heat source pipeline 4 and Secondary Heat Source pipeline 5, can be conduction oil, can also be steam.
It is respectively arranged with temperature control device and valve on first heat source pipeline 4 and Secondary Heat Source pipeline 5, valve is by temperature control device
Control.It is additionally provided with temperature sensor in dewaxing slot 1, temperature sensor is connect with temperature control device.
First heat source pipeline 4, Secondary Heat Source pipeline 5, detour heating tube 6, heat conduction inclined plate 7 are acid-resistant stainless steel material system
At with good heat conductivility.
The fired mold precision casting type shell dewaxing slot operation principle of the utility model：Cast moulding shell mold group will have been made first to be put into
Shell is promoted in basket 10,
Temperature control device opens the valve of the first heat source pipeline 4, Secondary Heat Source pipeline 5, and heat source enters 6 He of detour heating tube
In heat conduction inclined plate 7, dewaxing liquid 3 is heated, due to being heated simultaneously from side and bottom surface so that dewaxing liquid 3 is heated evenly, no
Easy local boiling, until dewaxing liquid 3 is warming up to the suitable temperature of technological requirement, which is set in advance in temperature control device, temperature
It controls device and closes valve, then shell promotion basket 10 is gradually put into dewaxing liquid 3 by lifting gear 11, and cast moulding shell mold group is complete
Portion is submerged in dewaxing liquid 3, and the bottom of shell promotion basket 10 not touch heat conduction inclined plate 7.In dewaxing process, temperature
Sensor monitors the temperature of dewaxing liquid 3 in real time, and temperature control device is opened according to the temperature of the monitoring of temperature sensor, control valve
It opens and flow, within the temperature range of ensureing that the temperature of dewaxing liquid 3 maintains technological requirement.
Claims (4)
- The slot 1. fired mold precision casting type shell dewaxes, including dewaxing slot (1) and shell promote basket (10), and the dewaxing slot (1) is outside Wall is equipped with insulating layer (2)；It is provided with lifting gear (11) above the dewaxing slot (1), the lifting gear (11) is used for It controls shell and promotes basket (10) lifting in dewaxing slot (1)；It is placed with dewaxing liquid (3) in the dewaxing slot (1), which is characterized in that in dewaxing liquid (3) in the dewaxing slot (1) Liquid level hereinafter, be divided into three layers, top layer is that side heats layer, and centre is that bottom heats layer, and lowest level is the beds of precipitation from top to bottom；In the side heating layer, detour heating tube (6), the detour heating tube (6) are provided on slot (1) side wall that dewaxes Import is connect with the first heat source pipeline (4), and outlet is connect with recovery channel；In the bottom heating layer, it is provided with horizontal Secondary Heat Source pipeline (5), the Secondary Heat Source pipeline (5) top It is communicated with heat conduction inclined plate (7), the heat conduction inclined plate (7) is mutually parallel installation；The outlet of Secondary Heat Source pipeline (5) and recovery tube Road connects；The beds of precipitation bottom is equipped with sewage draining exit (9).
- The slot 2. fired mold precision casting type shell according to claim 1 dewaxes, which is characterized in that the heat conduction inclined plate (7) For sandwich, interior interlayer is cavity, and cavity is connected to Secondary Heat Source pipeline (5).
- The slot 3. fired mold precision casting type shell according to claim 2 dewaxes, which is characterized in that the heat conduction inclined plate (7) Top to the export direction of Secondary Heat Source pipeline (5) tilt.
- 4. according to Claim 1-3 any one of them fired mold precision casting type shell dewaxing slot, which is characterized in that described is de- Wax pan (1) bottom cross section is inverted trapezium structure (8), is the beds of precipitation in trapezium structure (8) region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565467.6U CN207709796U (en) | 2017-11-22 | 2017-11-22 | Fired mold precision casting type shell dewaxing slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721565467.6U CN207709796U (en) | 2017-11-22 | 2017-11-22 | Fired mold precision casting type shell dewaxing slot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207709796U true CN207709796U (en) | 2018-08-10 |
Family
ID=63062054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721565467.6U Expired - Fee Related CN207709796U (en) | 2017-11-22 | 2017-11-22 | Fired mold precision casting type shell dewaxing slot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207709796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226685A (en) * | 2018-11-23 | 2019-01-18 | 安徽应流航源动力科技有限公司 | A kind of precision-investment casting dewaxing filter device |
| CN110385402A (en) * | 2019-08-21 | 2019-10-29 | 新昌县云璟智能科技有限公司 | A kind of integrated dewaxing device of precision casting steam washing |
-
2017
- 2017-11-22 CN CN201721565467.6U patent/CN207709796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226685A (en) * | 2018-11-23 | 2019-01-18 | 安徽应流航源动力科技有限公司 | A kind of precision-investment casting dewaxing filter device |
| CN110385402A (en) * | 2019-08-21 | 2019-10-29 | 新昌县云璟智能科技有限公司 | A kind of integrated dewaxing device of precision casting steam washing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |