CN209969531U - Low-pressure casting machine - Google Patents
Low-pressure casting machine Download PDFInfo
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- CN209969531U CN209969531U CN201920692775.8U CN201920692775U CN209969531U CN 209969531 U CN209969531 U CN 209969531U CN 201920692775 U CN201920692775 U CN 201920692775U CN 209969531 U CN209969531 U CN 209969531U
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- heat preservation
- preservation furnace
- pressure casting
- lifting
- casting machine
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Abstract
The utility model discloses a low-pressure casting machine, which comprises a lifting device, a holding furnace, a bracket and a sand box; the support is arranged above the heat preservation furnace, the sand box is installed on the support, a sand box pressing plate for limiting the sand box is arranged at the top of the sand box, the heat preservation furnace is provided with a lifting device for controlling the lifting of the heat preservation furnace, molten metal is filled in the heat preservation furnace, the top of the heat preservation furnace is connected with a heat preservation furnace cover in a sealing mode, a liquid lifting pipe is arranged in the heat preservation furnace, the bottom end of the liquid lifting pipe is inserted into the molten metal, the top end of the liquid lifting pipe extends out of the outer side of the. The utility model is used for the low pressure casting of cast steel, ironcasting can be at production line continuous production, and is efficient, is fit for mass production. The process has the advantages of stable molten metal filling, less slag inclusion in molten metal, high density and contribution to the production of thin-wall parts. Is an effective way for obtaining high-quality castings.
Description
Technical Field
The utility model belongs to the technical field of the technique of low pressure casting equipment and specifically relates to a low pressure casting machine is related to.
Background
Low pressure pouring is a casting method in which molten metal fills a cavity under pressure to form a casting, and is called low pressure pouring because of the low pressure used. The existing low-pressure casting machine is completely used for casting non-ferrous alloy, namely light alloy, and a casting is produced discontinuously in a single piece in the casting process, so that the production efficiency is low, time and labor are wasted, the low-pressure casting machine is only suitable for small-batch production, and the production requirement of a workshop cannot be met.
Disclosure of Invention
According to the defects in the prior art, the invention aims to provide the low-pressure casting machine which can improve the production efficiency and effectively ensure the casting quality so as to meet the production requirement of high strength.
In order to achieve the above object, the utility model adopts the following technical scheme: a low-pressure casting machine comprises a lifting device, a heat preservation furnace, a support and a sand box; the support is arranged above the heat preservation furnace, the sand box is installed on the support, a sand box pressing plate for fixing the sand box is arranged at the top of the sand box, the heat preservation furnace is provided with a lifting device for controlling the heat preservation furnace to lift, molten metal is filled in the heat preservation furnace, the top of the heat preservation furnace is connected with a heat preservation furnace cover in a sealing mode, a liquid lifting pipe is arranged in the heat preservation furnace, the bottom end of the liquid lifting pipe is inserted into the molten metal, the top end of the liquid lifting pipe extends out of the outer side of.
Further, the lifting device comprises a lifting frame, a guide post and a lifting chassis; the four guide posts are arranged vertically in the direction, the lifting frame is connected with the guide posts in a sliding mode to lift, the lifting chassis is fixedly connected to the bottom of the lifting frame, and the heat preservation furnace is installed above the lifting chassis.
Furthermore, hydraulic oil cylinders are arranged on two sides of the lifting frame and are arranged vertically, and the telescopic ends of the hydraulic oil cylinders are connected to the lifting frame and drive the lifting frame to move vertically along the guide posts.
Furthermore, four corners of the sand box pressure plate are connected to the four guide posts.
Further, still include the base, the low pressure casting machine is installed on the base, still is provided with the switch board for the power supply of low pressure casting machine on the base.
Further, the edge of the heat preservation furnace cover is connected with the heat preservation furnace through bolts and sealed by a sealing ring.
Furthermore, a plurality of sand boxes are arranged on the support in sequence, the sand boxes correspond to the cavities one to one, and the sand boxes are connected with the support in a sliding mode.
Further, the holding furnace is a crucible type holding furnace.
The utility model has the advantages that: the utility model is used for the low pressure casting of cast steel, ironcasting can be at production line continuous production, and is efficient, is fit for mass production. The process has the advantages of stable molten metal filling, less slag inclusion in molten metal, high density and contribution to the production of thin-wall parts. Is an effective way for obtaining high-quality castings.
Drawings
Figure 1 is a cross-sectional view of a low pressure casting machine,
figure 2 is a perspective view of a low pressure casting machine,
in the figure: 1. the device comprises a power distribution cabinet, 2, a support, 3, a sand box, 4, a sand box pressing plate, 5, a liquid lifting pipe, 6, a heat preservation furnace cover, 7, a hydraulic oil cylinder, 8, a lifting chassis, 9, a heat preservation furnace, 10, a guide pillar, 11, a base, 12, a lifting frame, 13 and a cavity.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached figures 1-2, a low-pressure casting machine comprises a lifting device, a holding furnace 9, a bracket 2 and a sand box 3; the support 2 is arranged above the heat preservation furnace 9, the sand box 3 is arranged on the support 2, a sand box pressing plate 4 for limiting the sand box is arranged at the top of the sand box 3, the heat preservation furnace 9 is provided with a lifting device for controlling the lifting of the heat preservation furnace 9, molten metal is filled in the heat preservation furnace 9, the top of the heat preservation furnace is hermetically connected with a heat preservation furnace cover 6, a liquid lifting pipe 5 is arranged in the heat preservation furnace 9, the bottom end of the liquid lifting pipe 5 is inserted into the molten metal, the top end of the liquid lifting pipe extends out of the outer side of the heat preservation furnace cover. When the lifting device is lifted, the liquid lifting pipe 5 is close to a pouring gate of the sand box for pouring.
Further, the lifting device comprises a lifting frame 12, a guide post 10 and a lifting chassis 8; the two sides of the lifting frame are provided with hydraulic oil cylinders 7 which are vertically arranged, and the telescopic ends of the hydraulic oil cylinders 7 are connected to the lifting frame 12 and drive the lifting frame to vertically move along the guide posts 10. The four guide posts 10 are vertically arranged in the direction, the lifting frame 12 is connected with the guide posts 10 in a sliding mode to lift, the lifting base plate 8 is fixedly connected to the bottom of the lifting frame 12, and the heat preservation furnace 9 is installed above the lifting base plate.
Furthermore, four corners of the sand box pressure plate 4 are connected to four guide posts 10. The sand box pressing plate 4 presses the sand box 3 to prevent the sand box 3 from moving when the holding furnace 9 rises.
Further, still include base 11, the low pressure casting machine is installed on base 11, still is provided with switch board 1 for the power supply of low pressure casting machine on the base.
Further, the edge of the heat preservation furnace cover 6 is connected with the heat preservation furnace 9 through bolts and sealed by a sealing ring.
Furthermore, a plurality of sand boxes 3 are arranged on the support 2 in sequence, the sand boxes correspond to the cavities one by one, and the sand boxes 3 are connected with the support 2 in a sliding mode.
Further, the holding furnace 9 is a crucible type holding furnace.
Molten metal smelted in the series intermediate frequency furnace is filled into a holding furnace 9, and a liquid lifting pipe 5 is installed. The sand box 3 on the bracket 2 is moved to a designated position, then the holding furnace 9 is lifted by the hydraulic oil cylinder 7, the liquid lifting pipe 5 is tightly attached to the sand box for sealing, and the sand box 3 is blocked by the sand box pressure plate 4, so that the purpose of fixing and sealing is achieved. And (3) introducing gas into the holding furnace 9, so that the molten metal in the holding furnace 9 enters the sand box through the lift pipe 5 under the action of pressure, keeping a certain pressure, descending the holding furnace 9 after the metal is solidified, then moving the sand box to the right, ascending the holding furnace, and carrying out the next working cycle until the casting of the molten metal in the holding furnace is finished. The equipment is controlled intelligently by programming and can be controlled by various curves.
The equipment is mainly used for producing steel castings by adopting a low-pressure casting process. The equipment injects molten metal in the series intermediate frequency furnace into the heat preservation furnace, integrally lifts the heat preservation furnace, is contacted and sealed with the metal casting plane through the liquid lifting pipe, pressurizes the molten metal in the heat preservation furnace, enables the liquid level of the molten metal to rise, and injects the molten metal into the metal cavity, thereby achieving the purpose of filling the casting. The process has the advantages of stable molten metal filling, less slag inclusion in molten metal, high density and contribution to the production of thin-wall parts. Is an effective way for obtaining high-quality castings.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (8)
1. A low pressure casting machine which is characterized in that: comprises a lifting device, a heat preservation furnace, a bracket and a sand box; the support is arranged above the heat preservation furnace, the sand box is installed on the support, a sand box pressing plate for limiting the sand box is arranged at the top of the sand box, the heat preservation furnace is provided with a lifting device for controlling the lifting of the heat preservation furnace, molten metal is filled in the heat preservation furnace, the top of the heat preservation furnace is connected with a heat preservation furnace cover in a sealing mode, a liquid lifting pipe is arranged in the heat preservation furnace, the bottom end of the liquid lifting pipe is inserted into the molten metal, the top end of the liquid lifting pipe extends out of the outer side of the.
2. A low-pressure casting machine according to claim 1, characterized in that: the lifting device comprises a lifting frame, a guide pillar and a lifting chassis; the four guide posts are arranged vertically in the direction, the lifting frame is connected with the guide posts in a sliding mode to lift, the lifting chassis is fixedly connected to the bottom of the lifting frame, and the heat preservation furnace is installed above the lifting chassis.
3. A low-pressure casting machine according to claim 2, characterized in that: the hydraulic cylinder is arranged on two sides of the lifting frame and is arranged vertically, and the telescopic end of the hydraulic cylinder is connected to the lifting frame and drives the lifting frame to move vertically along the guide pillar.
4. A low-pressure casting machine according to claim 2, characterized in that: four corners of the sand box pressing plate are connected to the four guide posts.
5. A low-pressure casting machine according to claim 1, characterized in that: still include the base, the low pressure casting machine is installed on the base, still is provided with the switch board for the power supply of low pressure casting machine on the base.
6. A low-pressure casting machine according to claim 1, characterized in that: the edge of the heat-preserving furnace cover is connected with the heat-preserving furnace through bolts and sealed by a sealing ring.
7. A low-pressure casting machine according to claim 1, characterized in that: the sand boxes are arranged on the support in sequence, correspond to the cavities one to one, and are connected with the support in a sliding mode.
8. A low-pressure casting machine according to claim 1, characterized in that: the heat preservation furnace is a crucible type heat preservation furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692775.8U CN209969531U (en) | 2019-05-15 | 2019-05-15 | Low-pressure casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692775.8U CN209969531U (en) | 2019-05-15 | 2019-05-15 | Low-pressure casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209969531U true CN209969531U (en) | 2020-01-21 |
Family
ID=69262439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920692775.8U Active CN209969531U (en) | 2019-05-15 | 2019-05-15 | Low-pressure casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209969531U (en) |
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2019
- 2019-05-15 CN CN201920692775.8U patent/CN209969531U/en active Active
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