CN215845634U - Give hot water pipe atmospheric pressure feed back system - Google Patents
Give hot water pipe atmospheric pressure feed back system Download PDFInfo
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- CN215845634U CN215845634U CN202122182979.7U CN202122182979U CN215845634U CN 215845634 U CN215845634 U CN 215845634U CN 202122182979 U CN202122182979 U CN 202122182979U CN 215845634 U CN215845634 U CN 215845634U
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- feed back
- back system
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Abstract
The utility model provides a feeding pipe air pressure feed back system, which comprises: the molten material bin is internally provided with a molten material chamber, the molten material bin is provided with a feed inlet and a liquid outlet, the liquid outlet is higher than the feed inlet, and the feed inlet of the molten material bin is connected with a metal feeding system; the partition plate is arranged in the melt bin and divides the melt bin into a first pressure cavity and a second pressure cavity, the edge of the lower end of the partition plate is positioned below the liquid discharge port, and a space is reserved between the edge of the lower end of the partition plate and the melt bin and used for communicating the first pressure cavity with the second pressure cavity; the first pressure cavity is communicated with the liquid outlet, the melt bin is provided with an air pressure adjusting hole, the air pressure adjusting hole is positioned above the liquid outlet, and the air pressure adjusting hole is communicated with the second pressure cavity; the output end of the air pressure adjusting component is communicated with the air pressure adjusting hole. The overflow of the magnesium alloy liquid can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of magnesium alloy die casting, in particular to a feeding pipe air pressure material returning system.
Background
In the process of feeding soup by the servo system, the magnesium rod can only be pushed forwards by the servo system and cannot be retracted backwards, so that the magnesium liquid is flush with the discharge port at the position of the casting port after one-time feeding as shown in figure 1. This creates two problems during use,
1. magnesium liquid can not make the protection gas argon persist in the casting gate structure with the casting gate is flushed, can make the argon that gets into flow out from the discharge port part, and the protection magnesium liquid that can not be fine makes the part of magnesium liquid and gas contact produce the oxidation.
2. The density of the magnesium alloy in a liquid state is smaller than that in a solid state, so that the volume of the magnesium alloy expands when the magnesium alloy is heated in the front section and is melted from the solid state to the liquid state, and the magnesium liquid at the pouring gate is extruded outwards, thereby forming potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an air pressure feeding system for a soup supply pipe, wherein a first pressure cavity and a second pressure cavity are isolated by an isolation plate to form a communicating vessel structure, when a liquid discharge port stops discharging, in order to prevent magnesium alloy solution in the first pressure cavity from overflowing, an air pressure adjusting assembly works to reduce air pressure in the second pressure cavity, at the moment, liquid level in the first pressure cavity is reduced, and liquid level in the second pressure cavity is increased, so that the problem of overflow of magnesium alloy liquid is solved.
Specifically, the utility model provides an air pressure feeding system for a soup pipe, which comprises:
the molten material bin is internally provided with a molten material chamber, the molten material bin is provided with a feed inlet and a liquid outlet, the liquid outlet is higher than the feed inlet, and the feed inlet of the molten material bin is connected with a metal feeding system;
the partition plate is arranged in the melting bin and divides the melting bin into a first pressure cavity and a second pressure cavity, the edge of the lower end of the partition plate is positioned below the liquid discharge port, a space is reserved between the edge of the lower end of the partition plate and the melting bin, and the space is used for communicating the first pressure cavity with the second pressure cavity; the first pressure cavity is communicated with the liquid discharge port, an air pressure adjusting hole is formed in the melt bin and located above the liquid discharge port, and the air pressure adjusting hole is communicated with the second pressure cavity;
and the output end of the air pressure adjusting assembly is communicated with the air pressure adjusting hole.
The technical effect of the technical scheme is as follows: first pressure chamber and second pressure chamber have formed a linker structure under the isolation of division board, when the leakage fluid dram stops the ejection of compact, in order to prevent that the magnesium alloy solution in first pressure chamber from overflowing, atmospheric pressure adjusting part work makes the atmospheric pressure in the second pressure chamber reduce, and at this moment, the liquid level in first pressure chamber descends, and the liquid level in the second pressure chamber rises to the situation that has solved magnesium alloy liquid and has overflowed takes place.
Preferably, the top of melting bin is equipped with plane portion, the atmospheric pressure regulation hole sets up on the plane portion. The technical effect of the technical scheme is as follows: the plane part is convenient for the excavation of the air pressure adjusting hole and is also convenient for improving the sealing performance when the external hose and the air pressure adjusting hole are installed.
Preferably, the melt magazine comprises:
an inner housing having the melt chamber therein;
the shell body, the shell body encloses to be established the periphery of interior casing, just interior casing with inclosed heat preservation chamber has between the shell body, be provided with heating coil in the heat preservation chamber.
The technical effect of the scheme is as follows: the melting bin is convenient to heat and preserve heat, and the melting efficiency of the magnesium alloy is improved.
Preferably, the air pressure adjusting assembly includes:
the pneumatic actuator is provided with a gas storage bin and a piston part, the gas storage bin is connected with the pneumatic adjusting hole through a pipeline, the piston part is slidably arranged in the gas storage bin, a pull rod is fixed on the piston part, and the pull rod slidably penetrates through the gas storage bin and extends to the outside of the gas storage bin;
the driving mechanism is provided with an output end which moves along a straight line, and the output end of the driving mechanism is in transmission connection with the pull rod.
The technical effect of the scheme is as follows: the driving mechanism moves by pulling the piston part, so that the air pressure in the first pressure cavity is adjusted, and the driving mechanism has the advantage of simple structure.
Furthermore, the output end of the driving mechanism is connected with the pull rod through a coupler.
Further, the driving mechanism is an adjustable stroke cylinder. Of course, the driving structure can also be a component with reciprocating linear motion, such as an oil cylinder, an electric push rod and the like.
Preferably, a protective gas inlet is arranged on the melting bin, and the protective gas inlet is communicated with the first pressure cavity and the liquid discharge port.
The preferable technical effect is that the upper surface of the magnesium alloy soup in the first pressure cavity can be protected by argon gas, and the oxidation of the magnesium alloy is effectively avoided.
Preferably, the protective gas inlet is located above the liquid outlet. For preventing the protective gas from penetrating into the magnesium alloy solution.
Preferably, the shielding gas inlet is provided on the flat surface portion.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a schematic view of a prior art magnesium alloy feed tube;
FIG. 2 is a schematic structural diagram of a soup pipe pneumatic feeding system according to the present embodiment in a first state;
FIG. 3 is a schematic structural diagram of a soup pipe pneumatic material returning system in a second state according to the present embodiment;
fig. 4 is a schematic structural diagram of a soup pipe pneumatic material returning system in three states according to the present embodiment.
Wherein the reference numbers referred to in the figures are as follows:
11-a melting bin; 12-a melt chamber; 13-a feed inlet; 14-a liquid drain; 15-a metal feed system; 16-a separator plate; 17-a first pressure chamber; 18-a second pressure chamber; 19-space; 20-air pressure adjusting holes; 21-an air pressure regulating assembly; 22-plane section; 23-an inner housing; 24-an outer shell; 25-heat preservation cavity; 26-a heating coil; 27-a gas storage bin; 28-a piston portion; 29-a pull rod; 30-an adjustable stroke cylinder; 31-a coupler; 32-shielding gas inlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 to 4, the present embodiment provides a feeding tube pneumatic material returning system, including:
the device comprises a melting bin 11, wherein a melting chamber 12 is arranged inside the melting bin 11, a feeding hole 13 and a liquid discharge hole 14 are formed in the melting bin 11, the height of the liquid discharge hole 14 is higher than that of the feeding hole 13, and the feeding hole 13 of the melting bin 11 is connected with a metal feeding system 15;
a partition plate 16, the partition plate 16 being disposed in the melt chamber 11 and dividing the melt chamber 11 into a first pressure chamber 17 and a second pressure chamber 18, a lower end edge of the partition plate 16 being located below the liquid discharge port 14, and a space 19 being left between the lower end edge of the partition plate 16 and the melt chamber 11, the space 19 being used for communicating the first pressure chamber 17 with the second pressure chamber 18; the first pressure cavity 17 is communicated with the liquid discharge port 14, the melting bin 11 is provided with an air pressure adjusting hole 20, the air pressure adjusting hole 20 is positioned above the liquid discharge port 14, and the air pressure adjusting hole 20 is communicated with the second pressure cavity 18;
the output end of the air pressure adjusting assembly 21 is communicated with the air pressure adjusting hole 20.
The technical effect of the technical scheme is as follows: the first pressure chamber 17 and the second pressure chamber 18 form a communicating vessel structure under the isolation of the isolation plate 16, when the discharging port 14 stops discharging, in order to prevent the magnesium alloy solution in the first pressure chamber 17 from overflowing, the air pressure adjusting assembly 21 works to reduce the air pressure in the second pressure chamber 18, at this time, the liquid level in the first pressure chamber 17 is lowered, and the liquid level in the second pressure chamber 18 is raised, thereby solving the problem of overflow of the magnesium alloy solution.
In one embodiment of the present embodiment, the top of the melting bin 11 is provided with a plane portion 22, and the air pressure adjusting hole 20 is provided on the plane portion 22. The technical effect of the technical scheme is as follows: the flat portions 22 facilitate the cutting of the air pressure adjusting hole 20 and also facilitate the improvement of the sealing property when the external hose and the air pressure adjusting hole 20 are installed.
As an embodiment of the present embodiment, the melt bin 11 includes:
an inner housing 23, the inner housing 23 having a melt chamber 12 therein;
and the outer shell 24 is arranged around the outer periphery of the inner shell 23, a closed heat preservation cavity 25 is arranged between the inner shell 23 and the outer shell 24, and a heating coil 26 is arranged in the heat preservation cavity 25.
The technical effect of the scheme is as follows: the melting bin 11 is convenient to heat and preserve heat, and the melting efficiency of the magnesium alloy is improved.
As an implementation manner of the present embodiment, the air pressure adjusting assembly 21 includes:
the pneumatic actuator is provided with a gas storage bin 27 and a piston part 28, the gas storage bin 27 is connected with the pneumatic adjusting hole 20 through a pipeline, the piston part 28 is slidably arranged in the gas storage bin 27, a pull rod 29 is fixed on the piston part 28, and the pull rod 29 slidably penetrates through the gas storage bin 27 and extends to the outside of the gas storage bin 27;
the driving mechanism is provided with an output end which moves along a straight line, and the output end of the driving mechanism is in transmission connection with the pull rod 29.
The technical effect of the scheme is as follows: the driving mechanism moves by pulling the piston portion 28, so that the adjustment of the air pressure in the first pressure chamber 17 is realized, and the driving mechanism has the advantage of simple structure.
Further, the output end of the driving mechanism is connected with the pull rod 29 through a coupling 31.
Further, the drive mechanism is an adjustable stroke cylinder 30. Of course, the driving structure can also be a component with reciprocating linear motion, such as an oil cylinder, an electric push rod and the like.
In one embodiment of this embodiment, the melt bin 11 is provided with a shielding gas inlet 32, and the shielding gas inlet 32 is communicated with the first pressure chamber 17 and the liquid outlet 14.
The technical effect of this scheme lies in, can carry out argon protection to the upper surface of magnesium alloy hot water in first pressure chamber 17, effectively avoids magnesium alloy's oxidation.
In one embodiment of the present embodiment, the shielding gas inlet 32 is located above the liquid discharge port 14. For preventing the protective gas from penetrating into the magnesium alloy solution.
As an embodiment of the present embodiment, the shielding gas inlet 32 is provided on the planar portion 22.
In the initial state as shown in fig. 2. Then, as shown in fig. 3, the gas pressure regulating assembly 21 is operated to increase the gas pressure in the second pressure chamber 18, and the liquid level of the magnesium alloy solution in the first pressure chamber 17 rises to the magnesium discharge port. The metal feed system 15 is then restarted, as shown in fig. 4, so that it can be fed.
When the feeding is completed, the metal feeding system 15 stops advancing, the adjustable stroke cylinder is reset, and the pressure in the second pressure chamber 18 returns to the standard atmospheric pressure. As shown in fig. 2, the liquid level in the first pressure chamber 17 decreases and the liquid level in the first pressure chamber 17 and the liquid level in the second pressure chamber 18 coincide.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (9)
1. A give soup pipe atmospheric pressure feed back system which characterized in that includes:
the molten material feeding device comprises a molten material bin (11), wherein a molten material cavity (12) is arranged inside the molten material bin (11), a feeding hole (13) and a liquid discharging hole (14) are formed in the molten material bin (11), the height of the liquid discharging hole (14) is higher than that of the feeding hole (13), and the feeding hole (13) of the molten material bin (11) is connected with a metal feeding system (15);
a partition plate (16), wherein the partition plate (16) is arranged in the melting bin (11) and divides the melting bin (11) into a first pressure cavity (17) and a second pressure cavity (18), the lower end edge of the partition plate (16) is positioned below the liquid discharge port (14), a gap (19) is reserved between the lower end edge of the partition plate (16) and the melting bin (11), and the gap (19) is used for communicating the first pressure cavity (17) with the second pressure cavity (18); the first pressure cavity (17) is communicated with the liquid discharge port (14), an air pressure adjusting hole (20) is formed in the melting bin (11), the air pressure adjusting hole (20) is located above the liquid discharge port (14), and the air pressure adjusting hole (20) is communicated with the second pressure cavity (18);
the air pressure adjusting assembly (21), the output end of the air pressure adjusting assembly (21) is communicated with the air pressure adjusting hole (20).
2. The pneumatic feed back system of claim 1, wherein the melting bin (11) is provided with a plane part (22) at the top, and the pneumatic adjusting hole (20) is arranged on the plane part (22).
3. A feeding tube pneumatic feed back system according to claim 1, wherein the melting bin (11) comprises:
an inner housing (23), the inner housing (23) having the melt chamber (12) disposed therein;
the outer shell (24), outer shell (24) enclose to be established the periphery of interior casing (23), just interior casing (23) with have inclosed heat preservation chamber (25) between outer shell (24), be provided with heating coil (26) in the heat preservation chamber (25).
4. The feeding tube pneumatic feed back system of claim 1, wherein the pneumatic pressure regulating assembly (21) comprises:
the pneumatic actuator is provided with a gas storage bin (27) and a piston part (28), the gas storage bin (27) is connected with the pneumatic adjusting hole (20) through a pipeline, the piston part (28) is slidably arranged in the gas storage bin (27), a pull rod (29) is fixed on the piston part (28), and the pull rod (29) slidably penetrates through the gas storage bin (27) and extends to the outside of the gas storage bin (27);
the driving mechanism is provided with an output end moving along a straight line, and the output end of the driving mechanism is in transmission connection with the pull rod (29).
5. A feeding tube pneumatic feed back system according to claim 4, wherein the output end of the driving mechanism and the pull rod (29) are connected through a coupling (31).
6. The pneumatic feed back system of claim 5, wherein the drive mechanism is an adjustable stroke cylinder (30).
7. The pneumatic feed back system of claim 2, wherein the melting bin (11) is provided with a protective gas inlet (32), and the protective gas inlet (32) is communicated with the first pressure cavity (17) and the liquid outlet (14).
8. The pneumatic feed-back system of claim 7, wherein the shielding gas inlet (32) is located above the liquid discharge port (14).
9. The pneumatic feed back system of claim 8, wherein the shielding gas inlet (32) is disposed on the planar portion (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182979.7U CN215845634U (en) | 2021-09-09 | 2021-09-09 | Give hot water pipe atmospheric pressure feed back system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182979.7U CN215845634U (en) | 2021-09-09 | 2021-09-09 | Give hot water pipe atmospheric pressure feed back system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845634U true CN215845634U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122182979.7U Active CN215845634U (en) | 2021-09-09 | 2021-09-09 | Give hot water pipe atmospheric pressure feed back system |
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| Country | Link |
|---|---|
| CN (1) | CN215845634U (en) |
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2021
- 2021-09-09 CN CN202122182979.7U patent/CN215845634U/en active Active
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