CN221158583U - Low-pressure casting die of cryopump - Google Patents

Abstract

The utility model relates to the technical field of dies and discloses a low-pressure casting die of a low-temperature pump, which comprises a fixing frame, a lower die, an upper die, a left die and a right die, wherein the lower die is fixedly arranged at the bottom of the fixing frame, a first hydraulic cylinder is fixedly arranged at the top of the fixing frame, and the tail end of a piston rod of the first hydraulic cylinder is fixedly connected with the upper die; the left side of the fixing frame is fixedly provided with a second hydraulic cylinder, the tail end of a piston rod of the second hydraulic cylinder is fixedly connected with the left die, the right side of the fixing frame is fixedly provided with a third hydraulic cylinder, and the tail end of the piston rod of the third hydraulic cylinder is fixedly connected with the right die; and a product cooling mechanism is arranged in the fixing frame. The utility model can automatically take out the cast low-temperature pump product, and the low-temperature pump product is not easy to damage, and simultaneously drives the function of blowing and cooling, so that the low-temperature pump product is rapidly cooled, and the production efficiency of the low-temperature pump product is improved.

Description

Low-pressure casting die of cryopump

Technical Field

The utility model relates to the technical field of dies, in particular to a low-pressure casting die of a low-temperature pump.

Background

With the rapid development of the international industrial level, industrial gas is widely used in factories, and chemical factories, combustion companies and the like have high safety level requirements on the use of the industrial gas, no loss is allowed, and a cryopump creates safe working conditions for filling, conveying and circulating the industrial gas such as liquid argon, liquid nitrogen, methane and the like.

At present, the low-temperature pump mainly conveys low-temperature liquid, has high requirements on sealing, and is generally molded by adopting a mold during low-pressure molding. However, the existing casting mold generally adopts an upper mold and a lower mold, after the casting molding of the cryopump is completed, the cryopump product needs to be manually taken out from the lower mold, the operation is complex, and the cryopump product is easy to damage when manually taken out. For this purpose, a low-pressure casting mold of a cryopump is proposed.

Disclosure of utility model

The utility model aims to solve the problems of the background art and provides a low-pressure casting die of a low-temperature pump.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The low-pressure casting die of the cryopump comprises a fixing frame, a lower die, an upper die, a left die and a right die, wherein the lower die is fixedly arranged at the bottom of the fixing frame, a first hydraulic cylinder is fixedly arranged at the top of the fixing frame, and the tail end of a piston rod of the first hydraulic cylinder is fixedly connected with the upper die; the left side of the fixing frame is fixedly provided with a second hydraulic cylinder, the tail end of a piston rod of the second hydraulic cylinder is fixedly connected with the left die, the right side of the fixing frame is fixedly provided with a third hydraulic cylinder, and the tail end of the piston rod of the third hydraulic cylinder is fixedly connected with the right die; and a product cooling mechanism is arranged in the fixing frame.

Preferably, the product cooling mechanism comprises a fan and an annular air pipe, the annular air pipe is fixedly arranged in the fixing frame, a plurality of evenly distributed air outlet holes are formed in the pipe wall of the annular air pipe, the fan is fixedly arranged on the side wall of the fixing frame, a connecting pipe is fixedly arranged at the air outlet of the fan, and the tail end of the connecting pipe is fixedly connected with the annular air pipe.

Preferably, the pipe frames are fixedly arranged on two sides of the fixing frame, and the annular air pipe is fixedly arranged in the pipe frames.

Preferably, the air outlet holes are all obliquely arranged towards the direction of the lower die.

Preferably, the lower die and the upper die are positioned in the same vertical direction, and the upper die can penetrate through the annular air pipe.

Preferably, the inner parts of the lower die, the upper die, the left die and the right die form a product forming area.

Compared with the prior art, the utility model provides the low-pressure casting die of the low-temperature pump, which has the following beneficial effects:

1. This cryopump low pressure casting mould, through mount, lower mould, last mould, left mould, right mould, first pneumatic cylinder, second pneumatic cylinder and the third pneumatic cylinder that are equipped with, first pneumatic cylinder retract action can drive the upward movement of last mould, and second pneumatic cylinder and third pneumatic cylinder retract action can drive left mould and right mould and remove to can expose the cryopump product after the casting shaping automatically, be convenient for the manual work directly take the cryopump product.

2. This low-pressure casting mould of cryopump, through fan, annular tuber pipe, apopore and the connecting pipe that are equipped with, fan work can be to the inside blowing in gas of annular tuber pipe, and the surface of cryopump product appears in a plurality of apopores of rethread for the cryopump product obtains quick cooling.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the cast and molded cryopump product can be automatically taken out, the cryopump product is not easy to damage, the function of blowing and cooling is driven, and the production efficiency of the cryopump product is improved.

Drawings

FIG. 1 is a schematic diagram of a low pressure casting mold of a cryopump according to the present utility model;

fig. 2 is a bottom view of the annular air duct of fig. 1.

In the figure: 1. a fixing frame; 2. a lower die; 3. an upper die; 4. a left die; 5. a right die; 6. a first hydraulic cylinder; 7. a second hydraulic cylinder; 8. a third hydraulic cylinder; 9. a blower; 10. an annular air pipe; 11. an air outlet hole; 12. a connecting pipe; 13. and (5) pipe frames.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a low pressure casting die for a low temperature pump comprises a fixing frame 1, a lower die 2, an upper die 3, a left die 4 and a right die 5, wherein the lower die 2 is fixedly arranged at the bottom of the fixing frame 1, a first hydraulic cylinder 6 is fixedly arranged at the top of the fixing frame 1, the tail end of a piston rod of the first hydraulic cylinder 6 is fixedly connected with the upper die 3, the lower die 2 and the upper die 3 are positioned in the same vertical direction, a second hydraulic cylinder 7 is fixedly arranged at the left side of the fixing frame 1, the tail end of a piston rod of the second hydraulic cylinder 7 is fixedly connected with the left die 4, a third hydraulic cylinder 8 is fixedly arranged at the right side of the fixing frame 1, the tail end of a piston rod of the third hydraulic cylinder 8 is fixedly connected with the right die 5, the first hydraulic cylinder 6 extends to enable the upper die 3 to move downwards, the second hydraulic cylinder 7 extends to enable the left die 4 to move, the third hydraulic cylinder 8 extends to enable the right die 5 to move, so that the lower die 2, the upper die 3, the left die 4 and the right die 5 are combined to form a product forming area, and the opposite can be pulled down, the lower die 2, the left die 4 and the right die 5 can be automatically pulled down, the low temperature pump can be directly exposed, and the low temperature pump can be conveniently taken out.

Wherein, the inside of mount 1 is equipped with product cooling body, product cooling body includes fan 9 and annular tuber pipe 10, go up the inside setting that mould 3 can pass annular tuber pipe 10, annular tuber pipe 10 fixed mounting is in the inside of mount 1, and a plurality of evenly distributed's air outlet 11 have been seted up to annular tuber pipe 10's pipe wall, a plurality of air outlet 11 all set up towards the direction slope of lower mould 2, fan 9 fixed mounting is on the lateral wall of mount 1, and fan 9's air outlet is fixed and is equipped with connecting pipe 12, connecting pipe 12's end and annular tuber pipe 10 fixed connection, the both sides of mount 1 are all fixed and are equipped with pipe support 13, annular tuber pipe 10 fixed mounting is in the inside of pipe support 13, fan 9 work can be to the inside blowing in gas of annular tuber pipe 10, the surface of cryopump product appears in a plurality of air outlet 11 of rethread, make the cryopump product obtain quick cooling.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a cryopump low pressure casting mould, includes mount (1), lower mould (2), goes up mould (3), left mould (4) and right mould (5), its characterized in that: the lower die (2) is fixedly arranged at the bottom of the fixing frame (1), a first hydraulic cylinder (6) is fixedly arranged at the top of the fixing frame (1), and the tail end of a piston rod of the first hydraulic cylinder (6) is fixedly connected with the upper die (3);

The left side of the fixing frame (1) is fixedly provided with a second hydraulic cylinder (7), the tail end of a piston rod of the second hydraulic cylinder (7) is fixedly connected with the left die (4), the right side of the fixing frame (1) is fixedly provided with a third hydraulic cylinder (8), and the tail end of a piston rod of the third hydraulic cylinder (8) is fixedly connected with the right die (5);

the inside of mount (1) is equipped with product cooling mechanism.

2. The cryopump low pressure casting die of claim 1, wherein: the product cooling mechanism comprises a fan (9) and an annular air pipe (10), wherein the annular air pipe (10) is fixedly arranged inside the fixing frame (1), a plurality of evenly distributed air outlet holes (11) are formed in the pipe wall of the annular air pipe (10), the fan (9) is fixedly arranged on the side wall of the fixing frame (1), a connecting pipe (12) is fixedly arranged at the air outlet of the fan (9), and the tail end of the connecting pipe (12) is fixedly connected with the annular air pipe (10).

3. A cryopump, low pressure casting die according to claim 2, wherein: both sides of mount (1) are all fixed be equipped with pipe support (13), annular tuber pipe (10) fixed mounting is in the inside of pipe support (13).

4. A cryopump, low pressure casting die according to claim 2, wherein: the air outlet holes (11) are obliquely arranged towards the direction of the lower die (2).

5. A cryopump, low pressure casting die according to claim 2, wherein: the lower die (2) and the upper die (3) are positioned in the same vertical direction, and the upper die (3) can penetrate through the annular air pipe (10).

6. The cryopump low pressure casting die of claim 1, wherein: the inner parts of the lower die (2), the upper die (3), the left die (4) and the right die (5) form a product forming area.