CN110814326A - Formwork adjusting tool for vacuum solidification furnace and using method - Google Patents
Formwork adjusting tool for vacuum solidification furnace and using method Download PDFInfo
- Publication number
- CN110814326A CN110814326A CN201911109026.9A CN201911109026A CN110814326A CN 110814326 A CN110814326 A CN 110814326A CN 201911109026 A CN201911109026 A CN 201911109026A CN 110814326 A CN110814326 A CN 110814326A
- Authority
- CN
- China
- Prior art keywords
- shaft sleeve
- long shaft
- formwork
- tool
- long
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
Abstract
The invention discloses a formwork adjusting tool for a vacuum solidification furnace and a using method thereof. According to the invention, by arranging the long shaft sleeve and the short shaft sleeve, the position of the short shaft sleeve on the long shaft sleeve and the angular position of the long shaft sleeve can be adjusted according to the formwork, so that the tool is suitable for modules of different models, and the tool is low in manufacturing cost, simple to operate and easy to popularize and use.
Description
Technical Field
The invention belongs to the field of investment precision casting, and particularly relates to a mold shell adjusting tool for a vacuum solidification furnace and a using method thereof.
Background
In the precision investment casting process, molten metal needs to be poured into a high-temperature die shell type cavity, equipment used for high-quality castings such as high-temperature alloys and the like is usually a three-chamber vacuum solidification furnace, and the three chambers are a feeding chamber, a smelting chamber and a casting chamber respectively. Preheating the mould shell before pouring, putting the mould shell reaching the preheating temperature into a casting chamber, and pouring molten metal melted in the crucible into the mould shell. Because the casting mould chamber has fixed size, the height of the bottom plate can not be changed, and the size and the height of the mould shell have larger difference along with the size of the casting. The following problems often arise during casting: the metal liquid flow path is too long or too short, and the metal liquid splashes to a furnace bottom plate, a furnace wall, a heater and a heat preservation carbon felt when the metal liquid flow path is not aligned with a mold shell pouring cup, so that equipment failure or casting scrapping is caused.
Disclosure of Invention
The invention aims to overcome the defects and provides a formwork adjusting tool for a vacuum solidification furnace and a using method thereof, wherein the height and the position of the formwork can be adjusted in the three-chamber vacuum solidification furnace, molten metal in a crucible is accurately poured into the formwork, the quality of a casting is improved, and the loss of equipment is reduced.
In order to achieve the purpose, the formwork adjusting tool for the vacuum solidification furnace comprises a tray, wherein a long shaft is vertically arranged on the tray, a long shaft sleeve is sleeved on the long shaft and can rotate on the long shaft, a short shaft sleeve is sleeved on the long shaft and can move up and down on the long shaft, the short shaft sleeve adjusts the relative position of the short shaft sleeve and the long shaft sleeve through a locking screw, a bracket for placing a formwork is arranged on the short shaft sleeve, and the bracket is parallel to the tray.
The short shaft sleeve is in a circular hoop shape.
The four sides of the tray are provided with bosses for preventing liquid from flowing out.
The bracket is two cylindrical rods, one end of each cylindrical rod is fixed on the short shaft sleeve, an included angle between the two cylindrical rods is an acute angle, and the two cylindrical rods are arranged on the same horizontal plane.
The long shaft sleeve is a hollow cylinder without an upper top surface and a lower bottom surface.
The wall surface of the long shaft sleeve is provided with a through hole, a limiting screw is arranged in the through hole, and the long shaft sleeve fixes the angular position of the long shaft sleeve through the limiting screw.
The hole wall of the through hole is tapped with an external thread, the limit screw is screwed into the through hole through the external thread, and the end part of the limit screw can be contacted with the long shaft.
A use method of a formwork adjusting tool for a vacuum solidification furnace comprises the following steps:
firstly, adjusting the position of a short shaft sleeved on a long shaft sleeve and the angular position of the long shaft sleeve according to the model of a formwork;
secondly, placing the adjusted tool in a furnace, and carrying out a heating program;
step three, when the molten metal is heated to the temperature meeting the pouring temperature, placing the pre-roasted formwork on a tool bracket;
and step four, casting the formwork, and dripping the splashed molten metal into the tray.
The short shaft sleeve is provided with a locking screw, and the long shaft sleeve is provided with a limit screw.
After the position of the short shaft sleeve on the long shaft sleeve is adjusted, the short shaft sleeve is locked on the long shaft sleeve through a locking screw;
after the angular position of the long shaft sleeve is adjusted, the relative position of the long shaft sleeve and the long shaft is locked through a limiting screw.
Compared with the prior art, the tool provided by the invention has the advantages that the tray is arranged below the bracket, so that the risk of furnace body damage caused by splashing of molten metal of the vacuum furnace and shell leakage of the mold shell can be eliminated, the danger of operators is reduced, and the quality of castings can be improved. According to the invention, by arranging the long shaft sleeve and the short shaft sleeve, the position of the short shaft sleeve on the long shaft sleeve and the angular position of the long shaft sleeve can be adjusted according to the formwork, so that the tool is suitable for modules of different models, and the tool is low in manufacturing cost, simple to operate and easy to popularize and use.
The using method of the invention is that the position of the short shaft sleeve on the long shaft sleeve and the angular position of the long shaft sleeve are adjusted according to the model of the mould shell, then the mould shell is placed in a furnace for heating, the mould shell which is pre-roasted is placed on a tool bracket, the mould shell is poured, and the splashed molten metal is dropped into a tray. The method can adjust the height and the position of the mould shell, can ensure that the molten metal in the crucible can be accurately poured into the mould shell, improve the quality of castings, reduce the loss of equipment, and can ensure that the molten metal splashed or leaked from the broken mould shell can flow into the tray without damaging the furnace body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
wherein, 1, a long shaft sleeve; 2. a short shaft sleeve; 3. locking the screw; 4. a bracket; 5. a limit screw; 6. a long axis; 7. a tray.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a formwork adjusting tool for a vacuum solidification furnace comprises a tray 7, bosses for preventing liquid from flowing out are arranged on four sides of the tray 7, a long shaft 6 is vertically arranged on the tray 7, a long shaft sleeve 1 is sleeved on the long shaft 6, the long shaft sleeve 1 can rotate on the long shaft 6, a through hole is formed in the wall surface of the long shaft sleeve 1, a limit screw 5 is arranged in the through hole, an external thread is tapped on the hole wall of the through hole, the limit screw 5 is screwed into the through hole through the external thread, the end part of the limit screw 5 can be contacted with the long shaft 6, the long shaft sleeve 1 fixes the angular position of the long shaft sleeve through the limit screw 5, a short shaft sleeve 2 is sleeved on the long shaft sleeve 1, the short shaft sleeve 2 can move up and down on the long shaft sleeve, the short shaft sleeve 2 adjusts the relative position of the short shaft sleeve and the, the carrier 4 is parallel to the tray 7.
Preferably, the short sleeve 2 is in the shape of a circular hoop.
Preferably, the bracket 4 is two cylindrical rods, one end of each cylindrical rod is fixed on the short shaft sleeve 2, an included angle between the two cylindrical rods is an acute angle, and the two cylindrical rods are arranged on the same horizontal plane.
Preferably, the long shaft sleeve 1 is a hollow cylinder without an upper top surface and a lower bottom surface.
A use method of a formwork adjusting tool for a vacuum solidification furnace comprises the following steps:
firstly, adjusting the position of a short shaft sleeve 2 on a long shaft sleeve 1 and the angular position of the long shaft sleeve 1 according to the model of a formwork;
after the position of the short shaft sleeve 2 on the long shaft sleeve 1 is adjusted, the short shaft sleeve 2 is locked on the long shaft sleeve 1 through a locking screw 3;
after the angular position of the long shaft sleeve 1 is adjusted, the relative position of the long shaft sleeve 1 and the normal long shaft 6 is locked through a limiting screw 5;
secondly, placing the adjusted tool in a furnace, and carrying out a heating program;
step three, when the molten metal is heated to the temperature meeting the pouring temperature, the pre-roasted formwork is placed on a tool bracket 7;
and step four, casting the mould shell, and dripping the splashed molten metal into the tray 7.
The short shaft sleeve 2 is provided with a locking screw 3, and the long shaft sleeve 1 is provided with a limiting screw.
Example 1:
the invention is adopted to cast a certain working vane shuttering.
Firstly, the height of a working blade mould shell is 280mm, the best position of the mould shell is determined in a three-chamber vacuum furnace, the lower edge of the mould shell is flush with the edge of a pouring cup of the mould shell after a crucible is turned over, the mould shell is placed into a tool bracket 4, the height is adjusted to a corresponding position by adjusting a short shaft sleeve 2, the distance from the short shaft sleeve to a tray 1 is 210mm, and the tool is placed into a casting chamber of the vacuum furnace after the angular position of a long shaft sleeve 1 is adjusted to be the closest to the crucible.
Step two, starting normal procedures of charging, melting, vacuumizing and the like of the vacuum furnace, opening a casting mold chamber when the molten metal reaches the pouring temperature, placing the pre-roasted mold shell on the adjusted tool bracket 4, and closing the casting mold chamber;
and step three, opening the isolating valve, overturning the crucible and pouring the formwork.
And step four, taking out the cast formwork, repeating the step two and the step three, and casting the next formwork with the same size.
Example 2:
the invention is adopted to cast a certain guide vane mould shell.
Firstly, the height of a mould shell of the working blade is 350mm, the best position of the mould shell is determined in a three-chamber vacuum furnace, the lower edge of the mould shell is flush with the edge of a pouring cup of the mould shell after a crucible is turned over, the mould shell is placed into a tool bracket 4, the height is adjusted to a corresponding position by adjusting a short shaft sleeve 2, the distance from the short shaft sleeve to a tray 1 is 140mm, and the tool is placed into a casting chamber of the vacuum furnace after the angular angle of a long shaft sleeve 1 is adjusted to be the nearest position to a crucible.
Starting normal procedures such as feeding, melting and vacuumizing of the vacuum furnace, opening a casting mold chamber when the molten metal reaches the pouring temperature, placing the pre-roasted mold shell on the adjusted tool bracket, and closing the casting mold chamber;
and step three, opening the isolating valve, overturning the crucible and pouring the formwork.
And step four, taking out the cast formwork, repeating the step two and the step three, and casting the next formwork with the same size.
Example 3:
the invention is adopted to cast a certain guider mould shell.
Firstly, the height of a guide vane mould shell is 260mm, the best position of the mould shell is determined in a three-chamber vacuum furnace as that the lower edge of a crucible is flush with the edge of a pouring cup of the mould shell after the crucible is turned over, the mould shell is placed into a tool bracket 4, the height is adjusted to a corresponding position by adjusting a short shaft sleeve 2, the distance from the short shaft sleeve to a tray 1 is 230mm, and the tool is placed into a casting chamber of the vacuum furnace after the angular angle of a long shaft sleeve 1 is adjusted to be the nearest position to the crucible.
Starting normal procedures such as feeding, melting and vacuumizing of the vacuum furnace, opening a casting mold chamber when the molten metal reaches the pouring temperature, placing the pre-roasted mold shell on the adjusted tool bracket, and closing the casting mold chamber;
and step three, opening the isolating valve, overturning the crucible and pouring the formwork.
And step four, taking out the cast formwork, repeating the step two and the step three, and casting the next formwork with the same size.
Claims (9)
1. The utility model provides a mould shell adjustment frock for vacuum solidification furnace, a serial communication port, including tray (7), be provided with major axis (6) on tray (7) perpendicularly, the cover is equipped with long axle sleeve (1) on major axis (6), long axle sleeve (1) can rotate on major axis (6), the cover is equipped with short axle sleeve (2) on long axle sleeve (1), short axle sleeve (2) can be sheathe in at the major axis and reciprocate, short axle sleeve (2) are through the relative position of locking screw (3) adjustment short axle sleeve and long axle sleeve (1), be provided with on short axle sleeve (2) and be used for placing bracket (4) of mould shell, bracket (4) are parallel with tray (7).
2. The formwork adjustment tool for the vacuum solidification furnace as claimed in claim 1, wherein the short shaft sleeve (2) is in a circular hoop shape.
3. The formwork adjustment tool for the vacuum solidification furnace as claimed in claim 1, wherein the tray (7) is provided with bosses on four sides thereof for preventing liquid from flowing out.
4. The formwork adjustment tool for the vacuum solidification furnace as claimed in claim 1, wherein the bracket (4) is two cylindrical rods, one end of each of the two cylindrical rods is fixed on the short shaft sleeve (2), an included angle between the two cylindrical rods is an acute angle, and the two cylindrical rods are arranged on the same horizontal plane.
5. The formwork adjustment tool for the vacuum solidification furnace as claimed in claim 1, wherein the long shaft sleeve (1) is a hollow cylinder without an upper top surface and a lower bottom surface.
6. The formwork adjusting tool for the vacuum solidification furnace, according to claim 1, is characterized in that a through hole is formed in the wall surface of the long shaft sleeve (1), a limiting screw (5) is arranged in the through hole, and the long shaft sleeve (1) fixes the angular position of the long shaft sleeve through the limiting screw (5).
7. The mold shell adjusting tool for the vacuum solidification furnace, according to claim 6, is characterized in that an external thread is tapped on the wall of the through hole, the limit screw (5) is screwed into the through hole through the external thread, and the end of the limit screw (5) can be in contact with the long shaft (6).
8. The use method of the formwork adjusting tool for the vacuum solidification furnace, as recited in claim 1, is characterized by comprising the following steps:
firstly, adjusting the position of a short shaft sleeve (2) on a long shaft sleeve (1) and the angular position of the long shaft sleeve (1) according to the model of a formwork;
secondly, placing the adjusted tool in a furnace, and carrying out a heating program;
step three, when the molten metal is heated to the temperature meeting the pouring temperature, the pre-roasted formwork is placed on a tool bracket (7);
and step four, casting the formwork, and dripping the splashed molten metal into the tray (7).
9. The use method of the formwork adjusting tool for the vacuum solidification furnace, according to claim 8, is characterized in that the short shaft sleeve (2) is provided with a locking screw (3), and the long shaft sleeve (1) is provided with a limiting screw;
after the position of the short shaft sleeve (2) on the long shaft sleeve (1) is adjusted, the short shaft sleeve (2) is locked on the long shaft sleeve (1) through a locking screw (3);
after the angular position of the long shaft sleeve (1) is adjusted, the relative position of the long shaft sleeve (1) and the normal long shaft (6) is locked through a limiting screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911109026.9A CN110814326B (en) | 2019-11-13 | 2019-11-13 | Formwork adjusting tool for vacuum solidification furnace and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911109026.9A CN110814326B (en) | 2019-11-13 | 2019-11-13 | Formwork adjusting tool for vacuum solidification furnace and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110814326A true CN110814326A (en) | 2020-02-21 |
| CN110814326B CN110814326B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911109026.9A Active CN110814326B (en) | 2019-11-13 | 2019-11-13 | Formwork adjusting tool for vacuum solidification furnace and using method |
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| Country | Link |
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| CN (1) | CN110814326B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496186A (en) * | 2020-04-30 | 2020-08-07 | 中国航发成都发动机有限公司 | Mould shell fixing tool for manufacturing turbine blade of aero-engine |
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| US20150190686A1 (en) * | 2014-01-03 | 2015-07-09 | Fusheng Precision Co., Ltd. | Casting Method for Manufacturing a Golf Club Head having an Embedded Heterogeneous Material |
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| CN106583677A (en) * | 2017-01-25 | 2017-04-26 | 苏州振湖电炉有限公司 | Vacuum skull furnace and working process thereof |
| CN109822088A (en) * | 2019-04-11 | 2019-05-31 | 沈阳真空技术研究所有限公司 | Large high-temperature high-strength material vacuum precision Casting Equipment |
| CN209364581U (en) * | 2018-11-12 | 2019-09-10 | 济南巨源信息技术有限公司 | A kind of rotatable commodity shelf of compact multiple degrees of freedom with fall proof structure |
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2019
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377383A (en) * | 2008-09-23 | 2009-03-04 | 无锡范尼韦尔工程有限公司 | Rapid vacuum induction melting furnace |
| CN201426820Y (en) * | 2009-07-03 | 2010-03-24 | 刘立亚 | Medical vehicle for MRI room |
| CN201537790U (en) * | 2009-12-21 | 2010-08-04 | 南通中远船务工程有限公司 | Adjustable bracket for welding workpiece |
| CN203303293U (en) * | 2013-06-30 | 2013-11-27 | 李会森 | General surgery operation rack |
| US20150190686A1 (en) * | 2014-01-03 | 2015-07-09 | Fusheng Precision Co., Ltd. | Casting Method for Manufacturing a Golf Club Head having an Embedded Heterogeneous Material |
| CN204700283U (en) * | 2015-05-26 | 2015-10-14 | 江阴鑫宝利金属制品有限公司 | Supercharger impeller four-head formwork induction type vacuum casting device |
| CN205074530U (en) * | 2015-10-29 | 2016-03-09 | 大连华升精密铸件制造有限公司 | Tray height -adjustable smelts casting device fast |
| CN106583677A (en) * | 2017-01-25 | 2017-04-26 | 苏州振湖电炉有限公司 | Vacuum skull furnace and working process thereof |
| CN209364581U (en) * | 2018-11-12 | 2019-09-10 | 济南巨源信息技术有限公司 | A kind of rotatable commodity shelf of compact multiple degrees of freedom with fall proof structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496186A (en) * | 2020-04-30 | 2020-08-07 | 中国航发成都发动机有限公司 | Mould shell fixing tool for manufacturing turbine blade of aero-engine |
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| Publication number | Publication date |
|---|---|
| CN110814326B (en) | 2022-03-08 |
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