CN112985098A - Metal component uniform stirring device for vacuum hot shell casting device - Google Patents
Metal component uniform stirring device for vacuum hot shell casting device Download PDFInfo
- Publication number
- CN112985098A CN112985098A CN201911277911.8A CN201911277911A CN112985098A CN 112985098 A CN112985098 A CN 112985098A CN 201911277911 A CN201911277911 A CN 201911277911A CN 112985098 A CN112985098 A CN 112985098A
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- casting
- vacuum
- smelting
- sealing
- stirring rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D27/00—Stirring devices for molten material
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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
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D5/00—Machines or plants for pig or like casting
- B22D5/02—Machines or plants for pig or like casting with rotary casting tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a metal component uniform stirring device for a vacuum hot shell casting device, which comprises a stirring rod connecting rod, wherein a cooling water pipe of the stirring rod connecting rod is arranged in the stirring rod connecting rod, a sealing part is arranged in the middle of the stirring rod connecting rod, and the lower end of the stirring rod connecting rod is connected with a graphite stirring rod. Wherein, the sealing includes can swing soft sealing gum cover, can swing the upper end of soft sealing gum cover and be equipped with JO sealing washer installation cylinder body, be equipped with the JO sealing washer of a plurality of from last to closely arranging in the JO sealing washer installation cylinder body, be equipped with JO sealing washer interval support between two adjacent JO sealing washers, the upper end of JO sealing washer installation cylinder body is equipped with JO sealing washer gland, the stirring rod connecting rod passes JO sealing washer gland, JO sealing washer in proper order and can swing soft sealing gum cover.
Description
Technical Field
The invention relates to the technical field of metal casting, in particular to a metal component uniform stirring device for a vacuum hot shell casting device.
Background
Vacuum casting, in which molten metal melted in the atmosphere is poured into a mold shell in a vacuum chamber to form an ingot, also called vacuum ingot casting. The gas content in the metal can be minimized and the metal can be prevented from being oxidized. The method can be used for producing special alloy steel castings with high requirements, titanium alloy castings which are easy to oxidize, and the like. The vacuum casting cost is high, the vacuum casting method is generally used for smelting alloys and high-quality castings which have high vapor pressure and are easy to volatilize and lose, and the casting mold does not contain volatile matters.
At present, because metal material smelting and casting are two processes, the existing vacuum hot shell casting device is difficult to realize that smelting and casting are respectively kept in vacuum and are not influenced mutually, and pores are inevitably generated in a cast product, so that the quality of the product is unstable. The technical problem to be solved urgently is also how to ensure that the metal material is always in a vacuum state in the stirring process during smelting.
Disclosure of Invention
The invention aims to provide a metal component uniform stirring device for a vacuum hot shell casting device.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a metal composition evenly stirring device for vacuum hot shell casting device, metal composition evenly stirring device includes the stirring rod connecting rod, be equipped with stirring rod connecting rod condenser tube in the stirring rod connecting rod, the middle part of stirring rod connecting rod is equipped with the sealing, the lower extreme and the graphite stirring rod of stirring rod connecting rod are connected.
The sealing part comprises a swingable soft sealing rubber sleeve, a JO (joint in-line) sealing ring installation cylinder body is arranged at the upper end of the swingable soft sealing rubber sleeve, a plurality of JO (joint in-line) sealing rings which are closely arranged from top to bottom are arranged in the JO sealing ring installation cylinder body, JO sealing ring interval supports are arranged between every two adjacent JO sealing rings, a JO sealing ring gland is arranged at the upper end of the JO sealing ring installation cylinder body, and the stirring rod connecting rod sequentially penetrates through the JO sealing ring gland, the JO sealing rings and the swingable soft sealing rubber sleeve.
The vacuum hot shell casting device comprises a smelting vacuum tank with a smelting vacuum chamber and a casting vacuum tank with a casting vacuum chamber, wherein the smelting vacuum tank and the casting vacuum tank are communicated through a vacuum stop flow guide device, a secondary and repeated feeding device and a metal component uniform stirring device are installed on the smelting vacuum tank, the lower end of the secondary and repeated feeding device is a feeding guide pipe, and an outlet of the feeding guide pipe is located right above the smelting furnace.
The smelting vacuum tank is internally provided with a smelting furnace, and a graphite stirring rod is connected below the metal component uniform stirring device and is positioned in the smelting vacuum chamber.
A smelting vacuum tank cover is arranged at one end of the smelting vacuum tank, which is far away from the casting vacuum tank; and the smelting vacuum tank is provided with a casting vacuum tank upper cover.
The casting vacuum tank is arranged on the tank body moving trolley, and the tank body moving trolley can move along a trolley track.
The casting vacuum tank is internally provided with a casting disc, and the casting disc is provided with a thermal formwork.
Compared with the prior art, the invention has the outstanding effects that:
the metal component uniform stirring device can uniformly mix all elements of molten metal in the smelting furnace by stirring without destroying the vacuum condition in the tank body. The secondary and multiple feeding devices can add various raw materials required by smelting into the smelting furnace on the premise of ensuring the vacuum state of the smelting vacuum chamber. The vacuum hot shell casting device of the metal component uniform stirring device can keep the vacuum state of molten metal not to be damaged in the smelting, charging and casting processes, and ensure the product quality.
The metal component homogenizing and stirring device for a vacuum hot shell casting device of the present invention will be further described with reference to the accompanying drawings and specific examples.
Drawings
FIG. 1 is a front view of a vacuum hot shell casting apparatus;
FIG. 2 is a cross-sectional view taken in the direction "A-A" of FIG. 1;
FIG. 3 is a left side view of the vacuum hot shell casting apparatus;
FIG. 4 is a cross-sectional view taken in the direction "B-B" of FIG. 3;
FIG. 5 is a top view of the secondary and multi-feed devices;
FIG. 6 is a cross-sectional view of the secondary and multiple charging devices taken along the direction "C-C" in FIG. 5;
FIG. 7 is a top view of the spacer grid and bottom disk;
FIG. 8 is a top view of the vacuum stop deflector;
FIG. 9 is a cross-sectional view taken in the direction "D-D" of FIG. 8;
FIG. 10 is an enlarged view of a portion of FIG. 9 at "I";
FIG. 11 is a left side view at the metal component homogenizing device;
FIG. 12 is a cross-sectional view taken in the direction "E-E" of FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 12 at "II";
fig. 14 is a partially enlarged view of "III" in fig. 12.
Wherein, 1-a smelting vacuum tank, 11-a smelting vacuum tank cover, 12-a smelting furnace, 13-a graphite stirring rod, 14-a smelting vacuum chamber, 2-a casting vacuum tank, 21-a casting vacuum tank upper cover, 22-a casting disc, 23-a casting vacuum chamber, 3-a tank body moving trolley, 4-a trolley track, 100-a secondary and multiple feeding device, 101-a hand wheel, 102-a charging opening vacuum valve, 103-a feeding device upper cover, 104-a charging barrel, 105-a separation grid, 106-a bottom circular plate, 107-a barrel isolation vacuum valve, 108-a feeding guide pipe, 109-a bottom circular plate notch, 200-a vacuum stop guide device, 201-a guide groove, 202-a guide funnel, 203-a guide vacuum valve and 300-a metal component uniform stirring device, 301-stirring rod connecting rod, 302-sealing part, 303-swingable soft sealing rubber sleeve, 304-stirring rod connecting rod cooling water pipe, 305-JO sealing ring, 306-JO sealing ring gland, 307-JO sealing ring interval support and 308-JO sealing ring installation cylinder body.
Detailed Description
As shown in fig. 1-14, a vacuum hot shell casting device comprises a smelting vacuum tank 1 with a smelting vacuum chamber 14 and a casting vacuum tank 2 with a casting vacuum chamber 23, wherein the smelting vacuum tank 1 and the casting vacuum tank 2 are communicated through a vacuum stop guide device 200, a secondary and repeated feeding device 100 and a metal component uniform stirring device 300 are installed on the smelting vacuum tank 1, a smelting furnace 12 is arranged in the smelting vacuum tank 1, a graphite stirring rod 13 is connected below the metal component uniform stirring device 300, the graphite stirring rod 13 is positioned in the smelting vacuum chamber 14, a feeding guide pipe 108 is arranged at the lower end of the secondary and repeated feeding device 100, the outlet of the feeding guide pipe 108 is positioned right above the smelting furnace 12, a casting disc 22 is arranged in the casting vacuum tank 2, and a hot shell is placed on the casting disc 22.
The secondary and repeated feeding device 100 comprises a charging barrel 104, the upper part of the charging barrel 104 is provided with a feeding device upper cover 103, the feeding device upper cover 103 is provided with a feeding port, a feeding port vacuum valve 102 is arranged on the feeding port, a plurality of material separation grids 105 which are uniformly distributed along the circumferential direction are arranged in the charging barrel 104, the lower parts of the material separation grids 105 are provided with a bottom circular plate 106, a bottom circular plate notch 109 is arranged on the bottom circular plate 106, a central shaft is arranged above the bottom circular plate 106 along the axial direction of the charging barrel 104, and the central shaft extends upwards from the feeding device upper cover 103 and is fixedly connected with a hand wheel 101; the inner sides of all the material separation grids 105 are fixedly connected with the central shaft, and the outer sides of all the material separation grids 105 are contacted with the inner wall of the charging barrel 104; the size of the bottom circular plate notch 109 is smaller than or equal to the size of a sector formed by the clamping of two adjacent material separation grids 105. The charging guide pipe 108 is provided with a cylinder isolation vacuum valve 107. During smelting, closing a cylinder isolation vacuum valve between the feeding device and the vacuum smelting chamber, opening an upper cover of the feeding device, sequentially adding the materials into a bin separated by a material separation grid according to the adding sequence of the smelting materials, pressing the sealed upper cover tightly and sealing by using bolts after the feeding is finished, opening the upper vacuum valve of the feeding device to extract vacuum, and closing the isolation valve on the upper cover of the feeding device when the vacuum state is extracted; when the material needs to be fed in the smelting process, the barrel isolation vacuum valve is opened, the hand wheel is rotated, the material separation grid with the raw materials is aligned to the notch of the inner bottom circular plate of the charging barrel, and the materials fall into the smelting furnace through the barrel isolation vacuum valve and the feeding guide pipe.
The vacuum stop diversion device 200 comprises a diversion pipe which communicates the smelting vacuum chamber 14 with the casting vacuum chamber 23, the vacuum stop diversion device 200 further comprises a diversion trench 201, the diversion trench 201 is located at the bottom of the smelting vacuum chamber 14 and inclines towards the casting vacuum chamber 23, the tail end of the diversion trench 201 is located right above the diversion pipe and is provided with a diversion outlet, a diversion funnel 202 is fixed in the diversion pipe and is located right above the diversion funnel 202, and smelted molten metal can flow into the casting vacuum chamber 23 through the diversion funnel 202. The draft tube is provided with a draft vacuum valve 203. When smelting, the vacuum isolation guide device is closed, so that the vacuum casting chamber can work independently and can be switched between a vacuum state and a non-vacuum state, and the vacuum state of the smelting vacuum chamber cannot be damaged when workers can carry the thermal formwork in the casting vacuum chamber. During casting, the vacuum stop flow guide device is opened after the casting vacuum chamber reaches a vacuum state, the valve plate and the flow guide funnel are positioned at vertical positions, and the metal liquid is guided through the flow guide funnel.
The metal component uniform stirring device 300 comprises a stirring rod connecting rod 301, a stirring rod connecting rod cooling water pipe 304 is arranged in the stirring rod connecting rod 301, a sealing part 302 is arranged in the middle of the stirring rod connecting rod 301, and the lower end of the stirring rod connecting rod 301 is connected with a graphite stirring rod 13. The sealing part 302 comprises a swingable soft sealing rubber sleeve 303, the upper end of the swingable soft sealing rubber sleeve 303 is provided with a JO sealing ring mounting cylinder 308, a plurality of JO sealing rings 305 which are closely arranged from top to bottom are arranged in the JO sealing ring mounting cylinder 308, a JO sealing ring interval support 307 is arranged between every two adjacent JO sealing rings 305, the upper end of the JO sealing ring mounting cylinder 308 is provided with a JO sealing ring gland 306, and the stirring rod connecting rod 301 sequentially penetrates through the JO sealing ring gland 306, the JO sealing rings 305 and the swingable soft sealing rubber sleeve 303. During the use, the stirring rod connecting rod can slide through the sealing, stretches into the smelting furnace to the graphite stirring rod, through clockwise/anticlockwise stirring, makes the metal liquid misce bene in the smelting furnace. The connecting rod of the stirring rod can be cooled by water.
A smelting vacuum tank cover 11 is arranged at one end of the smelting vacuum tank 1 far away from the casting vacuum tank 2; the smelting vacuum tank 1 is provided with a casting vacuum tank upper cover 21. The casting vacuum tank 2 is arranged on a tank body moving trolley 3, and the tank body moving trolley 3 can move along a trolley track 4.
The working method of the vacuum hot shell casting device comprises the following steps: when smelting, closing a flow guide vacuum valve on the vacuum stop flow guide device, and extracting vacuum for smelting; when the smelting is finished, opening the casting vacuum chamber, and putting the roasted thermal formwork on a casting turntable of the casting vacuum chamber; closing the casting vacuum chamber, after vacuum pumping, opening a vacuum stop flow guide device, pouring molten metal into a flow guide groove, enabling the molten metal to flow into a hot mould shell through the vacuum stop flow guide device to finish casting, rotating a casting disc, adjusting the distance between a pouring gate and the wall of the vacuum chamber to be consistent with that of a flow guide opening, enabling the next mould shell to align at the vacuum stop flow guide device, continuing casting, after casting is finished, closing a vacuum valve, relieving vacuum, opening the casting vacuum chamber, and taking out a product.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a metal composition uniform mixing device for hot shell casting device in vacuum which characterized in that: the metal component uniform stirring device (300) comprises a stirring rod connecting rod (301), a stirring rod connecting rod cooling water pipe (304) is arranged in the stirring rod connecting rod (301), a sealing part (302) is arranged in the middle of the stirring rod connecting rod (301), and the lower end of the stirring rod connecting rod (301) is connected with a graphite stirring rod (13).
2. The metal component homogenizing mixer apparatus according to claim 1, wherein: sealing portion (302) is including can swinging soft sealing gum cover (303), can swing the upper end of soft sealing gum cover (303) and be equipped with JO sealing washer installation cylinder body (308), be equipped with JO sealing washer (305) that a plurality of from last to closely arranging in JO sealing washer installation cylinder body (308), be equipped with JO sealing washer interval support (307) between two adjacent JO sealing washers (305), the upper end of JO sealing washer installation cylinder body (308) is equipped with JO sealing washer gland (306), stirring rod connecting rod (301) pass JO sealing washer gland (306), JO sealing washer (305) and can swing soft sealing gum cover (303) in proper order.
3. The metal component homogenizing mixer apparatus according to claim 2, wherein: the vacuum hot shell casting device comprises a smelting vacuum tank (1) with a smelting vacuum chamber (14) and a casting vacuum tank (2) with a casting vacuum chamber (23), wherein the smelting vacuum tank (1) and the casting vacuum tank (2) are communicated through a vacuum stop flow guide device (200), a secondary and repeated feeding device (100) and a metal component uniform stirring device (300) are installed on the smelting vacuum tank (1), the lower end of the secondary and repeated feeding device (100) is a feeding guide pipe (108), and an outlet of the feeding guide pipe (108) is located right above the smelting furnace (12).
4. The metal component homogenizing mixer apparatus according to claim 3, wherein: a smelting furnace (12) is arranged in the smelting vacuum tank (1), a graphite stirring rod (13) is connected to the lower portion of the metal component uniform stirring device (300), and the graphite stirring rod (13) is located in a smelting vacuum chamber (14).
5. The metal component homogenizing mixer apparatus according to claim 4, wherein: a melting vacuum tank cover (11) is arranged at one end of the melting vacuum tank (1) far away from the casting vacuum tank (2); and the smelting vacuum tank (1) is provided with a casting vacuum tank upper cover (21).
6. The metal component homogenizing mixer apparatus according to claim 5, wherein: the casting vacuum tank (2) is arranged on the tank body moving trolley (3), and the tank body moving trolley (3) can move along the trolley track (4).
7. The metal component homogenizing mixer apparatus according to claim 6, wherein: a casting disc (22) is arranged in the casting vacuum tank (2), and a thermal formwork is placed on the casting disc (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277911.8A CN112985098A (en) | 2019-12-12 | 2019-12-12 | Metal component uniform stirring device for vacuum hot shell casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277911.8A CN112985098A (en) | 2019-12-12 | 2019-12-12 | Metal component uniform stirring device for vacuum hot shell casting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112985098A true CN112985098A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911277911.8A Pending CN112985098A (en) | 2019-12-12 | 2019-12-12 | Metal component uniform stirring device for vacuum hot shell casting device |
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| CN (1) | CN112985098A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170596A (en) * | 2013-03-05 | 2013-06-26 | 广州有色金属研究院 | Multipurpose vacuum casting device |
| US20160250682A1 (en) * | 2013-10-23 | 2016-09-01 | Byd Company Limited | Metal forming apparatus |
| CN205660122U (en) * | 2016-06-17 | 2016-10-26 | 福建省金瑞高科有限公司 | Preparation facilities of half solid -state thick liquids |
| CN106984801A (en) * | 2017-06-15 | 2017-07-28 | 惠安县金旺达工业设计有限公司 | A kind of gravity force casting machine for improving service life |
| CN110508769A (en) * | 2019-09-25 | 2019-11-29 | 珠海大华新材料有限公司 | The one cold continuous casting equipment of Albatra metal vacuum water |
-
2019
- 2019-12-12 CN CN201911277911.8A patent/CN112985098A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170596A (en) * | 2013-03-05 | 2013-06-26 | 广州有色金属研究院 | Multipurpose vacuum casting device |
| US20160250682A1 (en) * | 2013-10-23 | 2016-09-01 | Byd Company Limited | Metal forming apparatus |
| CN205660122U (en) * | 2016-06-17 | 2016-10-26 | 福建省金瑞高科有限公司 | Preparation facilities of half solid -state thick liquids |
| CN106984801A (en) * | 2017-06-15 | 2017-07-28 | 惠安县金旺达工业设计有限公司 | A kind of gravity force casting machine for improving service life |
| CN110508769A (en) * | 2019-09-25 | 2019-11-29 | 珠海大华新材料有限公司 | The one cold continuous casting equipment of Albatra metal vacuum water |
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