CN114226685B - Internal support heat dissipation device for welding aluminum alloy die castings - Google Patents
Internal support heat dissipation device for welding aluminum alloy die castings Download PDFInfo
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- CN114226685B CN114226685B CN202111604911.1A CN202111604911A CN114226685B CN 114226685 B CN114226685 B CN 114226685B CN 202111604911 A CN202111604911 A CN 202111604911A CN 114226685 B CN114226685 B CN 114226685B
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- 238000004512 die casting Methods 0.000 title claims abstract description 79
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 title claims abstract description 30
- 230000017525 heat dissipation Effects 0.000 title description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000001816 cooling Methods 0.000 claims abstract description 59
- 238000003860 storage Methods 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000010935 stainless steel Substances 0.000 claims description 25
- 229910001220 stainless steel Inorganic materials 0.000 claims description 25
- 230000003028 elevating effect Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2227—Die seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an internal support heat abstractor for welding aluminum alloy die castings, which relates to the field of internal support heat abstractor for welding aluminum alloy die castings, and comprises an external support die, wherein the external support die is of a cylindrical structure with an opening at the lower part, the internal support die is arranged in the external support die, an internal ring body is driven to rotate through a rotating shaft at the end part of a rotating unit, so that an internal groove on the internal ring body is communicated with an external groove on the external ring body, at the moment, water in a first water tank is continuously input into a temporary storage chamber at a accelerating mode through a third output unit, and a plurality of groups of external grooves and internal grooves through which the water temporarily stored in the temporary storage chamber can pass are simultaneously discharged into a cooling chamber, so that the inner wall of the internal support die is almost cooled simultaneously, the situation that part of the internal support die is cooled first and a fracture and a gap appear on the aluminum alloy die castings is avoided, and the production quality of the aluminum alloy die castings is improved.
Description
Technical Field
The invention relates to the field of internal stay heat dissipation devices for welding aluminum alloy die castings, in particular to an internal stay heat dissipation device for welding aluminum alloy die castings.
Background
The aluminum alloy die casting is required to be cast into a specific shape by using an outer support die and an inner support die during casting forming, so that the aluminum alloy die casting is convenient for post-welding and other operations of the aluminum alloy die casting, but the outer support die and the inner support die are matched to press-form a casting material during casting forming, then the formed casting material can be taken out after heat dissipation is required, the existing aluminum alloy die casting is usually subjected to demolding and heat dissipation through air cooling, the heat dissipation efficiency is low, a water cavity is arranged in the inner support die structural layer, a water cooling mode is also used, water flows into the inner support die structural layer when the water cooling is carried out, one end always enters the inner support die structural layer first, then the structural layer is filled with water, the situation that the formed casting material is easy to break, gaps and the like are generated between the part of the aluminum alloy die casting during partial excessive cooling, the forming quality of the aluminum alloy die casting is reduced, and the post-welding and other operations of the aluminum alloy die casting are inconvenient. Therefore, it is necessary to invent an internal stay heat sink for aluminum alloy die casting welding to solve the above problems.
Disclosure of Invention
The invention aims to provide an internal stay heat dissipation device for welding aluminum alloy die castings, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an internal stay heat abstractor for aluminum alloy die casting welded, includes the external stay mould, the external stay mould is below open-ended cylindric structure, and the inside of external stay mould is provided with the internal stay mould, seal through seal assembly between the outer lane of internal stay mould and the external stay mould outer lane, the inside of internal stay mould is provided with the radiator unit, and the radiator unit is including setting up in the inside outer ring body of internal stay mould, the inner ring department rotation of outer ring body is provided with the inner ring body, inner ring body and outer ring body all are below open-ended cylindric structure, and outer ring body bottom is fixed in the internal wall of internal stay mould, and outer ring body outer lane and top are provided with the inside groove that runs through in the multiunit, and multiunit outer groove and multiunit inside groove one-to-one, and multiunit inside groove all are annular array form the distribution between the inner ring department of inner ring body forms the cavity of keeping in, the outer lane of outer ring body and the internal stay mould is inside, the below of internal stay mould is provided with cooling medium conveying subassembly.
Preferably, the cooling medium conveying component comprises a second water tank and a first water tank, wherein hot water is stored in the second water tank, a first output unit and a second output unit are arranged at the upper end of the second water tank, the upper end of the first output unit is communicated with the cooling cavity through a second pipeline, the upper end of the second output unit is communicated with the temporary storage cavity through a first pipeline, a first connecting pipe is arranged below the second water tank, an electromagnetic valve is arranged on the first connecting pipe, a third output unit is arranged at the upper end of the first water tank, the third output unit is communicated with the interior of the temporary storage cavity, and a second connecting pipe is arranged at the lower end of the first water tank.
In this embodiment, when the aluminum alloy die casting that waits to be fashioned is in the die-casting shaping between outer support mould and interior support mould, carry the cavity of keeping in at first with the water in the first water tank through the third output unit, then start the rotation unit, drive the inner ring body through the axis of rotation unit tip and rotate for the inside groove on the inner ring body communicates each other with the outside groove on the outer ring body, at this moment, the water in the first water tank of continuation is to keeping in the cavity and is input fast through the third output unit, the multiunit outside groove that the water of keeping in the cavity of keeping in can pass through, the inside groove is discharged simultaneously in the cooling chamber, make the inner wall of interior support mould almost cooled simultaneously by water, the condition that the part appears cooling earlier and appear fracture, gap on the aluminum alloy die casting has been avoided, the production quality of aluminum alloy die casting has been improved.
Preferably, a main water tank is further arranged below the inner support die, and the upper end of the main water tank is communicated with the bottoms of the first connecting pipe and the second connecting pipe.
The rotation unit may use a device such as a servo motor, and in actual use, the rotation unit is provided with a waterproof housing, and the third output unit may use a device such as a water pump.
Preferably, be provided with the metal cooling tube in the main water tank, the metal cooling tube is the pipeline structure of making a round trip to buckle, and the outside of main water tank is all linked together at the both ends of metal cooling tube, and the outside one end intercommunication of metal cooling tube intercommunication main water tank is provided with the circulation unit, the upper end intercommunication of circulation unit is provided with the main tuber pipe, the upper end intercommunication of main tuber pipe is provided with the annular box, the annular box is annular structure around the outer lane department at outer support mould, and the inner circle department of annular box is provided with the multiunit and props the wind hole of mould outer lane outward, the inside intercommunication of wind hole and annular box.
Further, the first output unit can temporarily extract the hot water stored in the cooling cavity for storage, when the outer support die and the inner support die are used for die casting the aluminum alloy die casting again, the second output unit fills the hot water temporarily stored in the second water tank into the temporary storage cavity, so that the inner support die is preheated, the die casting production for the aluminum alloy die casting is facilitated, the device such as a water pump can be used for both the first output unit and the second output unit, the volume of the second water tank is larger than that of the first water tank, and the device can be used for collecting hot water for a plurality of times.
Preferably, the inside of the temporary storage chamber is provided with a driving assembly for driving the inner ring body to rotate along the inner wall of the outer ring body, the driving assembly comprises a rotating unit fixedly welded at the middle part of the bottom surface of the temporary storage chamber, and the upper end of the rotating unit is in transmission connection with a rotating shaft fixedly connected with the middle position of the inner wall above the inner ring body.
Specifically, when the circulation unit starts, outside air is pumped into the metal cooling pipe, wind power in the metal cooling pipe can be blown into the outer wall of the external support die through the main air pipe, the annular box and the air hole in sequence, heat dissipation is carried out on the external support die, the outside of the aluminum alloy die casting is assisted to cool, so that the aluminum alloy die casting can be demolded from the external support die, and the phenomenon that the outside wind power is greatly influenced by the environment and cannot keep low temperature is avoided due to the arrangement of the metal cooling pipe.
Preferably, the seal assembly comprises a protruding ring fixedly welded at the outer ring of the lower end of the inner support die, an annular groove is formed in the upper surface of the protruding ring, a stainless steel blocking ring is movably arranged in the annular groove, the bottom of the annular groove is fixedly pulled and held at the lower end of the stainless steel blocking ring through a spring, a reserved gap is formed between the upper end of the protruding ring and the bottom of the outer support die, a die-casting cavity is formed between the outer support die and the inner support die, the upper end of the stainless steel blocking ring is attached to the bottom of the outer support die and sealed in the reserved gap, and a magnetic ring attracted with the stainless steel blocking ring is fixedly arranged at the inner part of the lower end of the outer support die.
Wherein, seal assembly can guarantee the leakproofness of outer mould and interior mould pressfitting position that props, be convenient for aluminium alloy die casting edge shaping, be difficult for producing phenomenon such as deckle edge, save processing cost, improve production quality, the stainless steel is stifled to encircle for stainless steel is stifled the ring laminating all the time in the bottom of outer mould that props, and the inside magnetic ring of outer mould plays the effect of supplementary absorption fixed stainless steel stifled ring, has further guaranteed the leakproofness of reserving the clearance, and when directly opening between outer mould and the interior mould that props, the stainless steel is stifled to encircle and is directly separated with outer mould, the operation of being convenient for.
Preferably, the upper end of the outer support die is provided with a first lifting unit for pushing the outer support die to lift, the first lifting unit comprises an upper connecting disc, the surface of the upper connecting disc is fixedly provided with first lifting units distributed along the height direction of the outer support die, the surface of the upper end of the outer support die is fixedly welded with a first fixing sleeve for clamping the end part of the first lifting unit, and the end part of the first lifting unit is fixed with the first fixing sleeve through a screw rod.
In this embodiment, the first lifting unit may use devices such as an electric push rod or an air cylinder, and the first lifting unit may push the outer support die to lift, and the upper connection disc on the first lifting unit is fixed on the external machine body, so that connection and use are facilitated.
Preferably, the lower extreme of internal stay mould is provided with the second elevating unit that promotes the internal stay mould and goes up and down, and the second elevating unit includes the lower connection pad, and the fixed surface of lower connection pad is provided with the second elevating unit that distributes along internal stay mould direction of height, the fixed welding of lower extreme surface of internal stay mould has the fixed cover of second that supplies the second elevating unit tip block, is fixed through the screw rod between the tip of second elevating unit and the fixed cover of second.
It should be noted that, the second lifting unit can use devices such as electric putter or cylinder, and the second lifting unit can promote the internal stay mould and go up and down, and the lower connection pad on the second lifting unit is fixed on the organism of outside, convenient to connect and use.
Preferably, the outer ring of the inner ring body and the inner ring of the outer ring body are smooth metal surfaces, and the smooth metal surfaces between the inner ring body and the outer ring body are mutually adhered to each other to keep sealing.
Further, the inner ring body and the outer ring body are kept sealed when being bonded, and when the corresponding outer grooves and the inner grooves are staggered, the sealing performance between the cooling chamber and the temporary storage chamber is ensured.
Preferably, a refrigeration unit for refrigerating water is arranged in the first water tank.
Specifically, the refrigeration unit can use devices such as a refrigerator and the like, which are common in the prior art, and are not described in detail herein, the purpose of refrigerating water in the first water tank is achieved, so that the water temperature for cooling the inner support die is kept low, a large amount of cold water can be stored in the main water tank, water can be supplied to the first water tank, when the electromagnetic valve is opened, hot water collected in the second water tank can enter the main water tank to be mixed with the whole device for recycling, and when hot water in the second water tank enters the main water tank, the water temperature in the main water tank is qualitatively improved, at the moment, the circulation unit is started, external wind force can be pumped into the metal cooling pipe, the wind force can rapidly take heat in the water through the heat conduction phenomenon of the metal cooling pipe, hot air is generated to act on the outer wall of the outer support die, the outer support die has a heat preservation effect, the aluminum alloy die casting between the outer support die and the inner support die is convenient to use, and the circulation unit can use devices such as a fan.
The invention has the technical effects and advantages that:
The invention relates to an internal support heat dissipation device for welding aluminum alloy die castings, which comprises an external support die, wherein the external support die is of a cylindrical structure with an opening at the lower part, the internal support die is arranged in the external support die, the outer ring of the internal support die and the outer ring of the external support die are sealed by a sealing component, a heat dissipation component is arranged in the internal support die and comprises an external ring body arranged in the internal support die, the internal ring of the external ring body is rotationally provided with an internal ring body, when the aluminum alloy die castings to be formed are die-cast and formed between the external support die and the internal support die, water in a first water tank is firstly conveyed into a temporary storage cavity through a third output unit, then a rotating unit is started, the internal ring body is driven to rotate through a rotating shaft at the end part of the rotating unit, so that an internal groove on the internal ring body is communicated with an external groove on the external ring body, at the moment, water in a first water tank is continuously input into a temporary storage cavity through a third output unit, and the temporary water in the temporary storage cavity can be discharged into a cooling cavity through a plurality of groups of external grooves at the same time, so that the inner wall of the internal support die is almost simultaneously cooled, and the inner wall of the internal support die is partially cooled, and the aluminum alloy die castings are cooled at first, and the quality of the die castings is prevented from being broken, and the die castings are improved, and the quality of the die castings is improved;
According to the internal support heat dissipation device for welding the aluminum alloy die castings, the first output unit can temporarily extract and store the hot water stored in the cooling cavity, and when the external support die and the internal support die are used for die casting the aluminum alloy die castings again, the second output unit fills the hot water temporarily stored in the second water tank into the temporary storage cavity, so that the internal support die is preheated, the internal support die is convenient to use for die casting production of the aluminum alloy die castings, and the internal support heat dissipation device is convenient and practical and saves energy;
according to the internal support heat dissipation device for welding the aluminum alloy die castings, when the circulation unit is started, external air is pumped into the metal cooling pipe, wind power in the metal cooling pipe can be blown into the outer wall of the external support die through the main air pipe, the annular box and the wind hole in sequence through the cooling of the main water tank, the external support die is subjected to heat dissipation, the external part of the aluminum alloy die castings is assisted to cool, so that the aluminum alloy die castings can be more demoulded from the external support die, and the phenomenon that the external wind power is greatly influenced by the environment and cannot keep low temperature is avoided due to the arrangement of the metal cooling pipe;
according to the internal support heat dissipation device for welding the aluminum alloy die castings, the sealing assembly can ensure the tightness of the pressing positions of the external support die and the internal support die, so that the edge of the aluminum alloy die castings is convenient to form, burrs and the like are not easy to generate, the processing cost is saved, the production quality is improved, the stainless steel plugging ring can be sprung up by the spring, the stainless steel plugging ring is always attached to the bottom of the external support die to seal a reserved gap, the magnetic ring in the external support die plays a role of assisting in adsorbing and fixing the stainless steel plugging ring, the tightness of the reserved gap is further ensured, and the stainless steel plugging ring is directly separated from the external support die when the external support die and the internal support die are directly opened, so that the operation is convenient;
According to the internal support heat dissipation device for welding the aluminum alloy die castings, a large amount of cold water can be stored in the main water tank, water can be supplied to the first water tank, when the electromagnetic valve is opened, hot water collected in the second water tank can enter the main water tank to be mixed with the hot water to be supplied to the whole equipment for recycling, when the hot water in the second water tank enters the water in the main water tank, the water temperature in the main water tank is qualitatively improved, at the moment, the circulation unit is started, external wind force can be pumped into the metal cooling pipe by the circulation unit, the wind force can quickly bring heat in the water through the heat conduction phenomenon of the metal cooling pipe, hot air is generated to act on the outer wall of the external support die, the external support die has a heat preservation effect, and the internal support die is convenient to use when die castings of the aluminum alloy die castings are pressed between the external support die.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the bottom structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a schematic view of the main tank structure of the present invention.
Fig. 5 is an enlarged schematic view of the structure a in fig. 4 according to the present invention.
Fig. 6 is an enlarged schematic view of the structure B in fig. 4 according to the present invention.
In the figure: 1. an outer support die; 2. an inner support mold; 3. an upper connecting disc; 4. a lower connecting disc; 5. a first lifting unit; 6. a first fixing sleeve; 7. a second fixing sleeve; 8. a second lifting unit; 9. an outer groove; 10. an inner tank; 11. an inner ring body; 12. an outer ring body; 13. a cooling chamber; 14. a temporary storage chamber; 15. a raised ring; 16. a rotating shaft; 17. a rotation unit; 18. a die-casting chamber; 19. a first pipe; 20. a second pipe; 21. a first output unit; 22. a second output unit; 23. a first connection pipe; 24. an electromagnetic valve; 25. a second connection pipe; 26. a third output unit; 27. a first water tank; 28. a second water tank; 29. a main water tank; 30. a magnetic ring; 31. reserving a gap; 32. stainless steel plugging rings; 33. a spring; 34. a ring groove; 35. a metal cooling tube; 36. a circulation unit; 37. a main air pipe; 38. an annular box; 39. and a wind hole.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an internal support heat dissipation device for welding aluminum alloy die castings, which is shown in fig. 1-6, and comprises an external support die 1, wherein the external support die 1 is of a cylindrical structure with an opening at the lower part, an internal support die 2 is arranged in the external support die 1, the outer ring of the internal support die 2 and the outer ring of the external support die 1 are sealed by a sealing component, a heat dissipation component is arranged in the internal support die 2, the heat dissipation component comprises an external ring 12 arranged in the internal support die 2, an internal ring 11 is rotatably arranged at the inner ring of the external ring 12, the internal ring 11 and the external ring 12 are of cylindrical structures with an opening at the lower part, the bottom of the external ring 12 is fixed on the inner wall of the internal support die 2, a plurality of groups of internal and external through grooves 9 are arranged on the outer ring of the external ring 12 and the upper part of the internal support die 2, a plurality of groups of internal grooves 10 are in one-to-one correspondence, the plurality of groups of external grooves 9 and the internal grooves 10 are distributed in an annular array, a temporary storage cavity 14 is formed at the inner ring of the internal support die 11, a cooling medium is formed between the external ring 12 and the internal support die 2, and a cooling medium is conveyed below the internal support die 2.
The cooling medium conveying assembly comprises a second water tank 28 and a first water tank 27, wherein the second water tank 28 is used for storing hot water, a first output unit 21 and a second output unit 22 are arranged at the upper end of the second water tank 28, the upper end of the first output unit 21 is communicated with the cooling chamber 13 through a second pipeline 20, the upper end of the second output unit 22 is communicated with the temporary storage chamber 14 through a first pipeline 19, a first connecting pipe 23 is arranged below the second water tank 28, an electromagnetic valve 24 is arranged on the first connecting pipe 23, a third output unit 26 is arranged at the upper end of the first water tank 27, the third output unit 26 is communicated with the interior of the temporary storage chamber 14, and a second connecting pipe 25 is arranged at the lower end of the first water tank 27.
In this embodiment, when the aluminum alloy die casting to be formed is die-cast between the outer support die 1 and the inner support die 2, the water in the first water tank 27 is firstly conveyed into the temporary storage chamber 14 through the third output unit 26, then the rotating unit 17 is started, the rotating shaft 16 at the end of the rotating unit 17 drives the inner ring body 11 to rotate, so that the inner groove 10 on the inner ring body 11 is communicated with the outer groove 9 on the outer ring body 12, at this time, the water in the first water tank 27 is continuously input into the temporary storage chamber 14 through the third output unit 26 in a accelerating way, and the plurality of groups of outer grooves 9 and inner grooves 10 in the temporary storage chamber 14 through which the water can pass are simultaneously discharged into the cooling chamber 13, so that the inner wall of the inner support die 2 is almost simultaneously cooled, the situation that the part is cooled first and the break and the gap appear on the aluminum alloy die casting is avoided, and the production quality of the aluminum alloy die casting is improved.
A main water tank 29 is also arranged below the inner support die 2, and the upper end of the main water tank 29 is communicated with the bottoms of the first connecting pipe 23 and the second connecting pipe 25.
The rotation unit 17 may be a device such as a servo motor, and in actual use, a waterproof case is provided outside the rotation unit 17, and the third output unit 26 may be a device such as a water pump.
The main water tank 29 is provided with a metal cooling pipe 35, the metal cooling pipe 35 is of a pipeline structure which is bent back and forth, two ends of the metal cooling pipe 35 are communicated with the outside of the main water tank 29, one end of the metal cooling pipe 35, which is communicated with the outside of the main water tank 29, is communicated with a circulating unit 36, the upper end of the circulating unit 36 is communicated with a main air pipe 37, the upper end of the main air pipe 37 is communicated with an annular box 38, the annular box 38 surrounds the outer ring of the outer support die 1 in an annular structure, a plurality of groups of air holes 39 facing the outer ring of the outer support die 1 are formed in the inner ring of the annular box 38, and the air holes 39 are communicated with the inside of the annular box 38.
Further, the first output unit 21 can temporarily draw out and store the hot water stored in the cooling chamber 13, when the outer support die 1 and the inner support die 2 are used for die casting the aluminum alloy die casting again, the second output unit 22 charges the hot water temporarily stored in the second water tank 28 into the temporary storage chamber 14, so that the inner support die 2 is preheated, the die casting production for the aluminum alloy die casting is facilitated, the device such as a water pump can be used for both the first output unit 21 and the second output unit 22, the volume of the second water tank 28 is larger than that of the first water tank 27, and the device can be used for collecting the hot water for a plurality of times.
The inside of the temporary storage chamber 14 is provided with a driving component for driving the inner ring body 11 to rotate along the inner wall of the outer ring body 12, the driving component comprises a rotating unit 17 fixedly welded at the middle part of the bottom surface of the temporary storage chamber 14, and the upper end of the rotating unit 17 is in transmission connection with a rotating shaft 16 fixedly connected to the middle position of the inner wall above the inner ring body 11.
Specifically, when the circulation unit 36 is started, external air is pumped into the metal cooling pipe 35, wind power in the metal cooling pipe 35 can be blown into the outer wall of the outer support die 1 through the main air pipe 37, the annular box 38 and the air holes 39 in sequence through cooling of the main water tank 29, heat dissipation is performed on the outer support die 1, cooling is performed on the outside of the aluminum alloy die casting, so that the aluminum alloy die casting can be demolded from the outer support die 1 more, and the phenomenon that the external wind power is greatly influenced by the environment and cannot keep low temperature is avoided due to the arrangement of the metal cooling pipe 35.
The sealing assembly comprises a bulge loop 15 fixedly welded at the outer ring of the lower end of the inner support die 2, an annular groove 34 is formed in the upper surface of the bulge loop 15, a stainless steel blocking ring 32 is movably arranged in the annular groove 34, the bottom of the annular groove 34 is fixedly pulled and held at the lower end of the stainless steel blocking ring 32 through a spring 33, a reserved gap 31 is formed between the upper end of the bulge loop 15 and the bottom of the outer support die 1, a die-casting cavity 18 is formed between the outer support die 1 and the inner support die 2, the upper end of the stainless steel blocking ring 32 is attached to the bottom of the outer support die 1 and sealed in the reserved gap 31, and a magnetic ring 30 attracted with the stainless steel blocking ring 32 is fixedly arranged in the lower end of the outer support die 1.
Wherein, seal assembly can guarantee the leakproofness of outer support mould 1 and interior support mould 2 pressfitting position, be convenient for aluminum alloy die casting edge shaping, be difficult for producing phenomenon such as deckle edge, save processing cost, improve production quality, spring 33 can spring stainless steel blanking ring 32 for stainless steel blanking ring 32 laminating all the time in the bottom of outer support mould 1 and sealed with reserve clearance 31, and the inside magnetism ring 30 of outer support mould 1 plays the effect of supplementary fixed stainless steel blanking ring 32 of absorption, has further guaranteed the leakproofness of reserve clearance 31, and when directly opening between outer support mould 1 and the interior support mould 2, stainless steel blanking ring 32 is direct with outer support mould 1 separation, the operation of being convenient for.
The upper end of the outer support die 1 is provided with a first lifting unit for pushing the outer support die 1 to lift, the first lifting unit comprises an upper connecting disc 3, first lifting units 5 distributed along the height direction of the outer support die 1 are fixedly arranged on the surface of the upper connecting disc 3, a first fixing sleeve 6 for clamping the end part of the first lifting unit 5 is fixedly welded on the surface of the upper end of the outer support die 1, and the end part of the first lifting unit 5 is fixed with the first fixing sleeve 6 through a screw rod.
In this embodiment, the first lifting unit 5 may use devices such as an electric push rod or an air cylinder, and the first lifting unit 5 may push the outer supporting mold 1 to lift, and the upper connection disc 3 on the first lifting unit 5 is fixed on an external machine body, so as to be convenient for connection and use.
The lower extreme of internal stay mould 2 is provided with the second elevating unit that promotes internal stay mould 2 and goes up and down, and the second elevating unit includes lower connection pad 4, and the fixed surface of lower connection pad 4 is provided with the second elevating unit 8 that distributes along internal stay mould 2 direction of height, and the fixed welding of lower extreme surface of internal stay mould 2 has the fixed cover 7 of second that supplies the second elevating unit 8 tip block, fixes through the screw rod between the fixed cover 7 of tip and the second of second elevating unit 8.
It should be noted that, the second lifting unit 8 may use devices such as an electric push rod or an air cylinder, and the second lifting unit 8 may push the inner supporting mold 2 to lift, and the lower connecting disc 4 on the second lifting unit 8 is fixed on an external machine body, so as to be convenient for connection and use.
The outer ring of the inner ring body 11 and the inner ring of the outer ring body 12 are smooth metal surfaces, and the smooth metal surfaces between the inner ring body 11 and the outer ring body 12 are mutually adhered to maintain sealing.
Further, the inner ring 11 and the outer ring 12 are kept sealed when being attached, and when the corresponding outer groove 9 and the inner groove 10 are mutually staggered, the sealing performance between the cooling chamber 13 and the temporary storage chamber 14 is ensured.
A refrigerating unit for refrigerating water is provided in the first water tank 27.
Specifically, the refrigerating unit may use a refrigerator and other devices, which are common technologies in the prior art, and are not described herein, and serve to cool water in the first water tank 27, so that the water temperature for cooling the inner support mold 2 is kept low, a large amount of cold water may be stored in the main water tank 29, and water may be supplied to the first water tank 27, when the electromagnetic valve 24 is opened, hot water collected in the second water tank 28 may enter and mix with the main water tank 29 to be recycled by the whole device, and when hot water in the second water tank 28 enters into the main water tank 29, the water temperature in the main water tank 29 is raised qualitatively, at this time, the circulating unit 36 is started, the circulating unit 36 may draw external wind into the metal cooling tube 35, and the wind may quickly take heat in the running water through the heat conduction phenomenon of the metal cooling tube 35, generate hot air to act on the outer wall of the outer support mold 1, so that the outer support mold 1 has a heat preservation effect, and is convenient for use when the aluminum alloy die casting is die-cast between the outer support mold 1 and the inner support mold 2, and the circulating unit 36 may use a fan and other devices.
Working principle: when an aluminum alloy die casting to be formed is die-cast and formed between the outer support die 1 and the inner support die 2, water in the first water tank 27 is firstly conveyed into the temporary storage chamber 14 through the third output unit 26, then the rotating unit 17 is started, the inner ring body 11 is driven to rotate through the rotating shaft 16 at the end part of the rotating unit 17, so that the inner groove 10 on the inner ring body 11 is communicated with the outer groove 9 on the outer ring body 12, at the moment, the water in the first water tank 27 is continuously input into the temporary storage chamber 14 through the third output unit 26 at a speed, and a plurality of groups of outer grooves 9 and inner grooves 10, through which the water temporarily stored in the temporary storage chamber 14 can pass, are simultaneously discharged into the cooling chamber 13, so that the inner wall of the inner support die 2 is almost simultaneously cooled by water, the condition that part of the aluminum alloy die casting is firstly cooled and breakage and gaps appear on the aluminum alloy die casting is avoided, and the production quality of the aluminum alloy die casting is improved.
Claims (10)
1. An internal stay heat abstractor for aluminum alloy die casting welding, includes outer stay mould (1), its characterized in that: the utility model provides a cooling device for a cooling system, including outer support mould (1), outer support mould (1) is below open-ended cylindric structure, and the inside of outer support mould (1) is provided with interior support mould (2), it is sealed through seal assembly between the outer lane of interior support mould (2) and outer support mould (1) outer lane, the inside of interior support mould (2) is provided with cooling module, cooling module is including setting up in the inside outer ring body (12) of interior support mould (2), the inner ring department rotation of outer ring body (12) is provided with interior ring body (11), interior ring body (11) and outer ring body (12) all are below open-ended cylindric structure, and outer ring body (12) bottom is fixed including support mould (2) inner wall, and outer ring body (12) outer lane and top are provided with the inside and outside groove (9) that run through of multiunit, and multiunit inside groove (10) one-to-one, and multiunit outside groove (9) and multiunit inside groove (10) all are annular array form distribution, interior ring body (11) and inner ring body (12) form between the cooling module and the inside of interior support mould (2) of cooling module (14), form between the inner ring body (12) and the cooling module.
2. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the cooling medium conveying assembly comprises a second water tank (28) for storing hot water and a first water tank (27), wherein a first output unit (21) and a second output unit (22) are arranged at the upper end of the second water tank (28), the upper end of the first output unit (21) is communicated with a cooling cavity (13) through a second pipeline (20), the upper end of the second output unit (22) is communicated with a temporary storage cavity (14) through a first pipeline (19), a first connecting pipe (23) is arranged below the second water tank (28), an electromagnetic valve (24) is arranged on the first connecting pipe (23), a third output unit (26) is arranged at the upper end of the first water tank (27), the third output unit (26) is communicated with the interior of the temporary storage cavity (14), and a second connecting pipe (25) is arranged at the lower end of the first water tank (27).
3. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 2, wherein: the lower part of the internal stay mould (2) is also provided with a main water tank (29), and the upper end of the main water tank (29) is communicated with the bottoms of the first connecting pipe (23) and the second connecting pipe (25).
4. An internal stay heat sink for aluminum alloy die casting welding as recited in claim 3, wherein: be provided with metal cooling tube (35) in main water tank (29), metal cooling tube (35) are the pipeline structure of making a round trip to buckle, and the outside of main water tank (29) is all linked together at the both ends of metal cooling tube (35), and the outside one end intercommunication of metal cooling tube (35) intercommunication main water tank (29) is provided with circulation unit (36), the upper end intercommunication of circulation unit (36) is provided with main tuber pipe (37), the upper end intercommunication of main tuber pipe (37) is provided with annular box (38), annular box (38) are annular structure around the outer lane department at outer support mould (1), and the inner circle department of annular box (38) is provided with multiunit towards wind hole (39) of outer support mould (1) outer lane, wind hole (39) and the inside intercommunication of annular box (38).
5. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the inside of the temporary storage chamber (14) is provided with a driving assembly for driving the inner ring body (11) to rotate along the inner wall of the outer ring body (12), the driving assembly comprises a rotating unit (17) fixedly welded at the middle part of the bottom surface of the temporary storage chamber (14), and the upper end of the rotating unit (17) is in transmission connection with a rotating shaft (16) fixedly connected to the middle position of the inner wall above the inner ring body (11).
6. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the sealing assembly comprises a protruding ring (15) fixedly welded at the outer ring of the lower end of an inner supporting die (2), an annular groove (34) is formed in the upper surface of the protruding ring (15), a stainless steel blocking ring (32) is movably arranged in the annular groove (34), the bottom of the annular groove (34) is fixedly pulled and held at the lower end of the stainless steel blocking ring (32) through a spring (33), a reserved gap (31) is formed between the upper end of the protruding ring (15) and the bottom of an outer supporting die (1), a die casting cavity (18) is formed between the outer supporting die (1) and the inner supporting die (2), the upper end of the stainless steel blocking ring (32) is attached to the bottom of the outer supporting die (1) and sealed in the reserved gap (31), and a magnetic ring (30) attracted with the stainless steel blocking ring (32) is fixedly arranged inside the lower end of the outer supporting die (1).
7. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the upper end of outer support mould (1) is provided with the first lift unit that promotes outer support mould (1) to go up and down, and first lift unit includes connection pad (3), goes up connection pad (3) fixed surface and is provided with first lift unit (5) that distribute along outer support mould (1) direction of height, the fixed welding of upper end surface of outer support mould (1) has first fixed cover (6) that supply first lift unit (5) tip block, is fixed through the screw rod between the tip of first lift unit (5) and first fixed cover (6).
8. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the lower extreme of interior mould (2) is provided with the second elevating unit that props mould (2) in promoting, and the second elevating unit includes lower connection pad (4), and the fixed surface of lower connection pad (4) is provided with second elevating unit (8) that distribute along interior mould (2) direction of height, the fixed welding of lower extreme surface of interior mould (2) has second fixed cover (7) that supply second elevating unit (8) tip block, is fixed through the screw rod between the tip of second elevating unit (8) and second fixed cover (7).
9. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 1, wherein: the outer ring of the inner ring body (11) and the inner ring of the outer ring body (12) are smooth metal surfaces, and the smooth metal surfaces between the inner ring body (11) and the outer ring body (12) are mutually attached to each other to keep sealing.
10. An internal stay heat abstractor for aluminum alloy die casting welding as recited in claim 2, wherein: a refrigeration unit for water supply refrigeration is arranged in the first water tank (27).
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| CN202111604911.1A CN114226685B (en) | 2021-12-25 | 2021-12-25 | Internal support heat dissipation device for welding aluminum alloy die castings |
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| CN202111604911.1A CN114226685B (en) | 2021-12-25 | 2021-12-25 | Internal support heat dissipation device for welding aluminum alloy die castings |
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| CN214814652U (en) * | 2021-01-18 | 2021-11-23 | 杭州煜品科技有限公司 | Die casting device capable of realizing low-temperature cooling |
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| US4869311A (en) * | 1986-09-25 | 1989-09-26 | Vallourec Industries | Device permitting introduction of a fluid into the cooling chamber of a rotary mould |
| CN105636756A (en) * | 2013-10-07 | 2016-06-01 | 株式会社松井制作所 | Mold-cooling system and mold-cooling method |
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| CN114226685A (en) | 2022-03-25 |
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