CN112254434B - Quick uniform cooling device for large magnesium alloy forming component - Google Patents
Quick uniform cooling device for large magnesium alloy forming component Download PDFInfo
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- CN112254434B CN112254434B CN202011145378.2A CN202011145378A CN112254434B CN 112254434 B CN112254434 B CN 112254434B CN 202011145378 A CN202011145378 A CN 202011145378A CN 112254434 B CN112254434 B CN 112254434B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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Abstract
The invention discloses a rapid uniform cooling device for a large magnesium alloy forming component, which comprises a main box body, a cover plate, a rotary workbench, a liquid inlet pipe, a liquid outlet pipe, liquid spraying devices, a temperature monitor and a liquid cooling box, wherein a placing cavity is arranged in the main box body, the rotary workbench is arranged at the bottom of the placing cavity, the forming component is arranged on the rotary workbench and is provided with an inner cavity, the liquid inlet pipe and the liquid outlet pipe extend into the bottom of the inner cavity, the inner wall of the placing cavity is provided with a liquid storage cavity, and the liquid storage cavity and the liquid inlet pipe are uniformly provided with a plurality of liquid spraying devices at intervals from the upper part to the lower part of the forming component; the upper part, the middle part and the lower part of the outer wall of the forming component are respectively fixed with a temperature monitor; the liquid outlet is formed in the bottom of the placing cavity, the liquid outlet and the liquid outlet pipe are both connected with the liquid outlet of the cooling box, the circulating pump and the fan are installed on the liquid cooling box, the liquid inlets are formed in the liquid storage cavities on the two sides respectively, and the liquid inlets and the liquid inlet pipe are both connected with the liquid pumping port of the cooling box. The present case can carry out synchronous circulative cooling to the inner wall and the outer wall of forming member, reaches rapid cooling's effect.
Description
Technical Field
The invention belongs to the technical field of metal forming and processing, and particularly relates to a rapid and uniform cooling device for a large magnesium alloy forming component.
Background
The magnesium alloy has the characteristics of high specific strength and specific stiffness, good heat and electric conductivity, easiness in forming and the like, has extremely important application value and wide application prospect in the civil fields of automobiles, electronic communication and the like and the national defense and military fields of strategic tactical missiles, great diving depth torpedoes, helicopters and the like, reduces the weight by 20-35% compared with the traditional steel-aluminum structural extrusion piece, and solves the problem of overweight equipment.
Generally, after being deformed, a large magnesium alloy forming member can be subjected to solid solution treatment and aging treatment to enhance the tensile strength, yield strength and the like, so as to improve the overall performance of the large magnesium alloy forming member. The uniform cooling of different parts before heat treatment is the key to ensure the uniform performance of each part. Because the large magnesium alloy forming component has large volume and uneven shape, the thickness of each part is different and the cooling speed is different in the cooling process after forming: for example, the large end of the conical barrel part is ventilated and easy to dissipate heat, and the small end blind hole is difficult to dissipate heat; the edge of the large-diameter bar is cooled quickly, and the core of the large-diameter bar is cooled slowly, so that the temperature of each part is uneven. The magnesium alloy material is particularly sensitive to temperature, so that the cooling is uneven due to the ambient temperature, the influence on the overall performance of subsequent components is large, and particularly, when large-scale magnesium alloy components are produced in batches, the consistency of the structure and the mechanical property of each batch of the large components is difficult to ensure due to the influence of the ambient temperature and the shape characteristics of the components. No report on this problem has been found, and there is no uniform cooling device that can be applied to large magnesium alloy formed members.
Disclosure of Invention
The invention aims to provide a rapid and uniform cooling device for a large magnesium alloy forming component, which solves the problems, achieves rapid cooling of different parts of the large magnesium alloy forming component, ensures the consistency of cooling effect, and is suitable for the solid solution cooling process.
In order to achieve the above purpose, the solution of the invention is: a quick and uniform cooling device for a large magnesium alloy forming component comprises a main box body, a cover plate, a rotary workbench, a liquid inlet pipe, a liquid outlet pipe, a liquid sprayer, a temperature monitor and a liquid cooling box, wherein a placing cavity is formed in the main box body, the top of the placing cavity is provided with an opening, the opening is covered by the cover plate, the rotary workbench is installed at the bottom of the placing cavity, the magnesium alloy forming component is placed on the rotary workbench after being placed into the placing cavity from the opening, the magnesium alloy forming component is provided with an inner cavity, the cover plate is provided with two round holes, the liquid inlet pipe and the liquid outlet pipe respectively extend into the bottom of the inner cavity of the magnesium alloy forming component through the two round holes, and cooling liquid flows in the liquid inlet pipe;
liquid storage cavities are symmetrically arranged on two sides of the inner wall of the placing cavity, cooling liquid is filled in the liquid storage cavities, and a plurality of liquid sprayers are uniformly arranged at intervals along the liquid storage cavities and the liquid inlet pipes on the two sides from the upper part to the lower part of the magnesium alloy forming component;
the temperature monitors are respectively fixed on the upper part, the middle part and the lower part of the outer wall of the magnesium alloy forming component;
the liquid cooling box is installed on the main box body, a circulation cavity is arranged in the liquid cooling box, a liquid discharge port and a liquid suction port are formed in the circulation cavity, a liquid outlet is formed in the bottom of the placing cavity, the liquid outlet and the liquid outlet pipe are connected with the liquid discharge port, a circulating pump and a fan are installed on the liquid cooling box, the installation position of the fan is close to the liquid discharge port, liquid inlets are formed in the liquid storage cavities on two sides respectively, the liquid inlets and the liquid inlet pipe are connected with the liquid suction port, and the liquid suction port is provided with the circulating pump.
Preferably, the liquid cooling tank further comprises a partition plate, the partition plate is provided with a plurality of through holes, the partition plate is welded in the middle of the circulating cavity, and the liquid suction port and the liquid discharge port are respectively located on two sides of the partition plate.
Preferably, the temperature monitor comprises a temperature probe, a stainless steel conducting wire and a liquid crystal digital display screen, the temperature probe is respectively fixed on the upper part, the middle part and the lower part of the outer wall of the large magnesium alloy forming component, and the temperature probe is connected with the liquid crystal digital display screen outside the main box body through the stainless steel conducting wire.
Preferably, the rotary worktable comprises a working disc, a rotary motor and a base disc, the base disc is mounted at the bottom of the placing cavity, the rotary motor is mounted above the base disc and connected with the working disc, a groove is formed on the upper surface of the working disc, and the shape of the groove is matched with that of the bottom end of the large magnesium alloy forming component, so that the bottom end of the large magnesium alloy forming component is embedded into the groove.
Preferably, a nozzle and a valve are arranged on the liquid sprayer, and the liquid sprayer controls the opening and closing of the nozzle through the valve.
Preferably, the nozzle may be an atomizing nozzle.
After adopting the scheme, compared with the prior art, the invention has the beneficial effects that:
the invention designs the main box body into a closed structure, thereby not only preventing the environment of the large magnesium alloy forming component from being influenced by ambient temperature and improving the cooling effect, but also forming a closed and circulating working environment inside, the structure is simple, the functions are complete, a user can monitor the temperature of each part of the large magnesium alloy forming component inside the device through a temperature monitor outside, thereby utilizing the liquid sprayer on the liquid storage cavity to cool the outer wall of the large magnesium alloy forming component, the liquid sprayer on the liquid inlet pipe cools the inner wall of the large magnesium alloy forming component, and the working platform at the bottom of the forming component can rotate, so that the cooling effect of the forming component is more uniform, in addition, the arrangement of the liquid inlet pipe and the liquid outlet pipe ensures that the liquid inside the large magnesium alloy forming component can not be accumulated and timely discharged, and the entering cooling liquid and the discharged cooling liquid can form a circulation, finally, cooling circulation is realized, and the effect of rapid cooling is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a large magnesium alloy formed component and a temperature monitor according to the present invention;
FIG. 3 is a schematic view of the liquid cooling tank of the present invention;
FIG. 4 is a schematic view of the structure of the separator of the present invention;
FIG. 5 is a schematic view of the structure of the liquid sprayer of the present invention;
FIG. 6 is a schematic structural diagram of a rotary table according to the present invention.
Description of reference numerals:
the device comprises a main box body 1, a placing cavity 11, a liquid storage cavity 12, a liquid outlet 13, a liquid inlet 14, a cover plate 2, a rotary workbench 3, a working disc 31, a rotary motor 32, a base plate 33, a groove 34, a liquid inlet pipe 4, a liquid outlet pipe 5, a liquid sprayer 6, a nozzle 61, a valve 62, a temperature monitor 7, a temperature probe 71, a stainless steel conducting wire 72, a liquid crystal digital display screen 73, a liquid cooling box 8, a circulating cavity 81, a liquid discharging port 82, a liquid sucking port 83, a circulating pump 84, a fan 85, a partition plate 86, a through hole 87, a magnesium alloy forming component 9 and an inner cavity 91.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a rapid and uniform cooling device for a large magnesium alloy forming component, which focuses on figure 1 and comprises a main box body 1, a cover plate 2, a rotary worktable 3, a liquid inlet pipe 4, a liquid outlet pipe 5, a liquid sprayer 6, a temperature monitor 7 and a liquid cooling box 8.
The main box body 1 is composed of a bottom plate and four side plates, a placing cavity 11 is arranged in the main box body 1, the top of the placing cavity 11 is provided with an opening, the opening is covered by the cover plate 2, the rotary workbench 3 is installed at the center of the bottom of the placing cavity 11, the rotary workbench 3 is used for placing a large magnesium alloy forming member 9 into the placing cavity 11 from the opening and then is arranged on the rotary workbench 3, as shown in a combined figure 6, the rotary workbench 3 comprises a working disc 31, a rotary motor 32 and a chassis 33, the chassis 33 is fixed at the bottom of the placing cavity 11 through bolts (not shown in the figure), the rotary motor 32 is installed above the chassis 33, a motor shaft of the rotary motor 32 is fixedly connected with the center of the working disc 31 through bolts, a groove 34 is formed on the upper surface of the working disc 31, and the shape of the groove 34 is matched with the shape of the bottom end of the magnesium alloy forming member 9, in other words, the groove 34 reserves a volume corresponding to the volume of the bottom end of the large magnesium alloy forming member 9 so that the bottom end of the magnesium alloy forming member 9 is embedded in the groove 34.
An inner cavity 91 is formed in the top of the large magnesium alloy forming component 9, a blind hole is formed in the bottom of the large magnesium alloy forming component 9, the cover plate 2 is provided with two round holes, the liquid inlet pipe 4 and the liquid outlet pipe 5 respectively extend into the bottom of the inner cavity 91 of the large magnesium alloy forming component 9 through the two round holes, and cooling liquid flows in the liquid inlet pipe 4;
Referring to fig. 1 and 2, the temperature monitors 7 are fixed to the upper, middle and lower portions of the outer wall of the large magnesium alloy forming member 9; the temperature monitor 7 comprises a temperature probe 71, a stainless steel conducting wire 72 and a liquid crystal display screen 73, wherein the temperature probe 71 is respectively fixed on the upper part, the middle part and the lower part of the outer wall of the large magnesium alloy forming component 9, an iron wire binding mode can be specifically adopted, and the temperature probe 71 is connected with the liquid crystal display screen 73 outside the main box body 1 through the stainless steel conducting wire 72.
Referring to fig. 1 and 3, the liquid cooling box 8 is installed on the main box 1, the liquid cooling box 8 is specifically installed inside a bottom plate of the main box 1, a circulation cavity 81 is installed in the liquid cooling box 8 and is used for circulating a cooling liquid, a liquid discharge port 82 and a liquid suction port 83 are respectively formed at the left end and the right end of the circulation cavity 81, a liquid outlet 13 is formed at the bottom of the placement cavity 11, the liquid outlet 13 and the liquid outlet pipe 5 are both connected with the liquid discharge port 82 through a guide pipe (not shown), a circulation pump 84, a fan 85 and a partition plate 86 are installed on the liquid cooling box 8, the circulation pump 84 and the fan 85 are respectively fixed on the liquid cooling box 8 through bolts, the installation position of the fan 85 is close to the liquid discharge port 82, liquid inlet ports 14 are respectively formed in the liquid storage cavities 12 at two sides, and both the liquid inlet port 14 and the liquid inlet pipe 4 are connected with the liquid suction port 83 through a guide pipe, the liquid drawing port 83 is provided with the circulating pump 84.
As shown in fig. 4, the partition plate 86 is provided with a plurality of through holes 87, the partition plate 86 is welded at the middle position of the circulation chamber 81, the liquid suction port 83 and the liquid discharge port 82 are respectively positioned at two sides of the partition plate 86, and the partition plate 86 with holes is arranged to slow down the speed of the liquid flowing into the circulation chamber 81 from the liquid discharge port 82, so that enough time is provided for cooling.
A method for rapidly and uniformly cooling a large magnesium alloy forming component 9 comprises the following steps:
s1 hoisting and placing: lifting the large magnesium alloy forming component 9, placing the large magnesium alloy forming component 9 into the groove 34 on the upper surface of the working disc 31, enabling the end part of the large magnesium alloy forming component 9 to be embedded with the groove 34, and covering the opening of the cover plate 2 after the large magnesium alloy forming component 9 is placed;
s2 uniform heat dissipation: firstly, the switch of the rotating motor 32 of the rotating workbench 3 is turned on, so that the rotating workbench 3 drives the large magnesium alloy forming component 9 to rotate at a certain speed, then the switch of the liquid cooling box 8 is turned on, the circulating pump 84 and the fan 85 are turned on, so that the cooling liquid in the circulating cavity 81 is pumped out from the liquid pumping port 83 by the circulating pump 84 and enters the liquid inlet 14 of the liquid inlet pipe 4 and the liquid storage cavity 12 through the guide pipe, so that the liquid inlet pipe 4 and the liquid storage cavity 12 are filled with the cooling liquid, then the switch of the liquid sprayer 6 is turned on, the flow of the nozzle 61 can be controlled by the control valve 62, the liquid sprayer 6 on the liquid storage cavity 12 cools the outer wall of the large magnesium alloy forming component 9, the liquid sprayer 6 on the liquid inlet pipe 4 cools the inner wall of the large magnesium alloy forming component 9, and meanwhile, the circulating pump 84 continuously pumps the cooling liquid sprayed from the liquid inlet pipe 4 out from the liquid outlet pipe 5, the liquid is pumped back into the circulating cavity 81 through the liquid outlet 82, so that the inner cavity 91 is free from liquid, and the synchronous cooling of all parts of the large magnesium alloy forming component 9 is ensured, moreover, after the liquid sprayer 6 on the liquid storage cavity 12 is sprayed on the outer wall of the large magnesium alloy forming component 9, the liquid flows to the bottom of the placing cavity 11 under the action of gravity, and is pumped back into the circulating cavity 81 from the liquid outlet 13 through the circulating pump 84, the cooling liquid flowing in from the liquid outlet 13 can be cooled in time by the fan 85, and finally, the liquid crystal digital display screen 73 is observed, the valve 62 can be adjusted again, the flow of the nozzles 61 at different positions can be respectively controlled, and the temperature of each temperature probe 71 is kept consistent;
s3 closing device: when the large magnesium alloy forming member 9 is cooled to the ambient air temperature, the circulation pump 84 is first turned off, then the valve 62 is turned off, the coolant from the nozzle 61 is stopped to be sprayed, and the fan 85 is finally turned off when the coolant flows out from the liquid outlet pipe 5 and the liquid outlet 13.
The present case is through the flow that nozzle 61 was adjusted to regulating valve 62, make the cooling rate of large-scale magnesium alloy forming member 9 each position reach unanimity, the monitoring of large-scale magnesium alloy forming member 9 each position temperature can be realized to temperature monitor 7 simultaneously, liquid sprayer 6 can carry out synchronous cooling to the inner wall and the outer wall of forming member, swivel work head 3 makes the whole heat dissipation of forming member even, the cooling of finally realizing each position is even, the setting of feed liquor pipe 4 and drain pipe 5, guarantee that the inside liquid of large-scale magnesium alloy forming member 9 can not take place to pile up, the liquid of entering and discharged liquid can form a circulation, reach rapid cooling's effect.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. A quick and uniform cooling device for a large magnesium alloy forming component is characterized by comprising a main box body, a cover plate, a rotary workbench, a liquid inlet pipe, a liquid outlet pipe, a liquid sprayer, a temperature monitor and a liquid cooling box, wherein a placing cavity is arranged in the main box body, the top of the placing cavity is provided with an opening, the cover plate covers the placing cavity, the rotary workbench is mounted at the bottom of the placing cavity, the large magnesium alloy forming component is placed on the rotary workbench after being placed into the placing cavity from the opening, the large magnesium alloy forming component is provided with an inner cavity, the cover plate is provided with two round holes, the liquid inlet pipe and the liquid outlet pipe respectively extend into the bottom of the inner cavity of the large magnesium alloy forming component through the two round holes, and cooling liquid flows in the liquid inlet pipe;
liquid storage cavities are symmetrically arranged on two sides of the inner wall of the placing cavity, cooling liquid is filled in the liquid storage cavities, and a plurality of liquid sprayers are uniformly arranged at intervals along the liquid storage cavities and the liquid inlet pipes on the two sides from the upper part to the lower part of the large magnesium alloy forming component;
the temperature monitors are respectively fixed on the upper part, the middle part and the lower part of the outer wall of the large magnesium alloy forming component;
the liquid cooling box is installed on the main box body, a circulation cavity is arranged in the liquid cooling box, a liquid discharge port and a liquid suction port are formed in the circulation cavity, a liquid outlet is formed in the bottom of the placing cavity, the liquid outlet and the liquid outlet pipe are connected with the liquid discharge port, a circulating pump and a fan are installed on the liquid cooling box, the installation position of the fan is close to the liquid discharge port, liquid inlets are formed in the liquid storage cavities on two sides respectively, the liquid inlets and the liquid inlet pipe are connected with the liquid suction port, and the liquid suction port is provided with the circulating pump.
2. A rapid uniform cooling device for a large magnesium alloy formed member as recited in claim 1, wherein: the liquid cooling box further comprises a partition plate, a plurality of through holes are formed in the partition plate, the partition plate is welded in the middle of the circulating cavity, and the liquid suction port and the liquid discharge port are respectively located on two sides of the partition plate.
3. A rapid uniform cooling device for a large magnesium alloy formed member as recited in claim 1, wherein: the temperature monitor comprises a temperature probe, a stainless steel conducting wire and a liquid crystal digital display screen, wherein the temperature probe is respectively fixed on the upper part, the middle part and the lower part of the outer wall of the large magnesium alloy forming component, and the temperature probe is connected with the liquid crystal digital display screen outside the main box body through the stainless steel conducting wire.
4. A rapid uniform cooling device for a large magnesium alloy formed member as recited in claim 1, wherein: the rotary workbench comprises a working disc, a rotary motor and a chassis, the chassis is arranged at the bottom of the placing cavity, the rotary motor is arranged above the chassis and connected with the working disc, a groove is formed in the upper surface of the working disc, and the shape of the groove is matched with that of the bottom end of the large magnesium alloy forming component, so that the bottom end of the large magnesium alloy forming component is embedded into the groove.
5. A rapid uniform cooling device for a large magnesium alloy formed member as recited in claim 1, wherein: the sprayer is provided with a nozzle and a valve, and the switch of the nozzle is controlled by the sprayer through the valve.
6. A rapid and uniform cooling device for a large magnesium alloy formed member according to claim 5, wherein: the nozzle is an atomizing nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011145378.2A CN112254434B (en) | 2020-10-23 | 2020-10-23 | Quick uniform cooling device for large magnesium alloy forming component |
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| CN202011145378.2A CN112254434B (en) | 2020-10-23 | 2020-10-23 | Quick uniform cooling device for large magnesium alloy forming component |
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| CN112254434A CN112254434A (en) | 2021-01-22 |
| CN112254434B true CN112254434B (en) | 2022-01-28 |
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| CN111678292A (en) * | 2020-07-01 | 2020-09-18 | 张家港市锦力标准件制造有限公司 | Novel fastener production cooling device |
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| CN104962707A (en) * | 2015-06-11 | 2015-10-07 | 秦皇岛开发区春光铸造机械有限公司 | Liquid-immersed spray quenching cooling device |
| CN108788033A (en) * | 2017-04-26 | 2018-11-13 | 中国宝武钢铁集团有限公司 | A kind of magnesium alloy cast cooling system and method |
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