CN115846621A - Large-scale die casting die with quick cooling structure - Google Patents
Large-scale die casting die with quick cooling structure Download PDFInfo
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- CN115846621A CN115846621A CN202310171710.XA CN202310171710A CN115846621A CN 115846621 A CN115846621 A CN 115846621A CN 202310171710 A CN202310171710 A CN 202310171710A CN 115846621 A CN115846621 A CN 115846621A
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 238000004512 die casting Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 96
- 230000017525 heat dissipation Effects 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 30
- 238000001802 infusion Methods 0.000 claims description 21
- 239000000110 cooling liquid Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 8
- 238000002309 gasification Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 5
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000001746 injection moulding Methods 0.000 description 1
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- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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Abstract
The invention relates to the technical field of die-casting equipment, in particular to a large die-casting die with a rapid cooling structure. The invention provides a large-scale die-casting die with a rapid cooling structure. A large die-casting die with a rapid cooling structure comprises a die holder with a bottom, a guide post, a top plate, a hydraulic cylinder and the like, wherein the guide post is arranged on the die holder with the bottom, the top end of the guide post is fixedly provided with the top plate, the hydraulic cylinder is connected to the lower side of the top plate, a movable die is slidably arranged on the guide post and can be driven by the hydraulic cylinder to slide up and down relative to the guide post, and a fixed die is arranged in the die holder with the fixed die. The quick cooling structure is arranged, so that the fixed die and the movable die can be uniformly and comprehensively cooled quickly, and further, the influence of stress caused by uneven cooling on the quality of a casting is avoided; the fixed die and the bottom die base are connected by adopting the positioning pin structure, the structure is convenient to mount and dismount, and the fixed die and the bottom die base can be cleaned in time to avoid scaling and blockage.
Description
Technical Field
The invention relates to the technical field of die casting equipment, in particular to a large-scale die casting die with a rapid cooling structure.
Background
The die casting is a metal casting process, a precision casting method which uses high pressure to force molten metal into a metal die with a complex shape, and is characterized in that the high pressure is applied to the molten metal by using the inner cavity of the die. The mold is typically machined from a stronger alloy, a process somewhat similar to injection molding. Most die-cast parts are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin and lead-tin alloys and their alloys, and the cooling and sealing properties of the die-casting mould play a crucial role during the production and manufacture of the die-cast parts.
In patent application with publication number CN112059146A, for example, it discloses a die casting die cooling device, which includes a heat exchange die holder, a bottom die and a cooling cylinder, a heat exchange cavity is provided inside the heat exchange die holder, the bottom die is provided in the heat exchange cavity, the upper end of the heat exchange die holder is fixedly connected with a die cover through a bolt, and the lower surface of the die cover is tightly pressed against the upper end of the bottom die. The device is through placing the heat transfer chamber that the heat transfer die holder was seted up in the die block in, and the clearance that forms between die block and the heat transfer chamber inner chamber is used for flowing the condensate, carries out the heat transfer cooling to the die block, but the device fails to cool off the die cover, so leads to the molten metal about both sides to have the difference in temperature easily, cooling rate inconsistent, and then leads to the foundry goods quality to receive the influence.
In the patent application of publication number CN107498019A, for example, it discloses a die casting die, including cope match-plate pattern and lower bolster, be provided with the die cavity in the lower bolster, the cope match-plate pattern passes through lead screw transmission structure and is connected with the lower bolster, is provided with the notes liquid hole that communicates with the die cavity on the cope match-plate pattern, the die cavity inner wall is provided with the utricule, the utricule surface is provided with the high temperature resistant material layer of elasticity, is provided with netted rubber wire skeleton in the utricule, still includes the water supply structure with the internal intercommunication of utricule. The whole faces of the upper and lower templates are directly used as sealing faces, the integral flatness of the upper and lower templates can be guaranteed, but the integral sealing performance of the upper and lower templates cannot be guaranteed, so that the risk that external gas leaks into the cavity is caused, molten metal possibly reacts with air to generate oxidation impurities to affect the quality of castings, and the vacuum environment in the cavity of the mold cannot be guaranteed.
Disclosure of Invention
In order to overcome the defect that the quality of a casting is easily affected due to the fact that an existing die-casting die is not uniformly cooled and not tightly sealed, the invention provides a large die-casting die with a rapid cooling structure.
The technical scheme is as follows: a large die-casting die with a rapid cooling structure comprises a die holder with a bottom, a guide post, a top plate, a hydraulic cylinder, a movable die and a fixed die, wherein the guide post is arranged on the die holder with the bottom; still including heat conduction frame, radiator unit, keysets and cooling channel, install on the movable mould the heat conduction frame, it is right to install on the heat conduction frame the movable mould cools off radiating radiator unit, radiator unit with the pneumatic cylinder passes through the keysets is connected, seted up on the movable mould and run through the heat conduction frame with radiator unit's notes liquid hole, be equipped with on the die holder and connect radiator unit's cooling channel, cooling channel is used for right the cover half cools off heat dissipation, the movable mould with be equipped with double-seal substructure between the cover half, the cover half with be equipped with between the die holder and be used for connecting fixed locating pin structure.
As an improvement of the scheme, the base die holder comprises a shell, a limiting plate and a fixed pin, the limiting plate protrudes inwards is arranged on the shell, the fixed pin is arranged on the limiting plate, and a pin hole matched with the fixed pin is formed in the fixed die.
As an improvement of the scheme, the bottom of the movable die is provided with a convex ring, the convex ring is matched with the ring surface at the top of the fixed die to form a first sealing pair, and the bottom surface of the movable die is matched with the top surface of the bottom die base to form a second sealing pair.
As the improvement of above-mentioned scheme, radiator unit is used for right the movable mould cools off the heat dissipation, radiator unit is including heating panel, pipe, shunt tubes, feed liquor valve and first transfer line, install in the heat conduction frame the heating panel, the heating panel passes through the keysets with the pneumatic cylinder is connected, the heating panel both sides are equipped with the pipe, the pipe with be connected with between the heating panel the shunt tubes, wherein one side be equipped with on the pipe the feed liquor valve, the feed liquor valve is used for the controlled flow size, the opposite side be connected with on the pipe first transfer line.
As an improvement of the scheme, the liquid inlet valve adopts a straight-through throttling valve for controlling the flow of the fluid by changing the throttling section, and the liquid inlet valve is used for adjusting the flow of the cooling liquid so as to adjust the cooling rate.
As an improvement of the above scheme, cooling channel is used for right the cover half cools off the heat dissipation, cooling channel is including second transfer line, joint, first liquid outlet and drain pipe, the second transfer line is connected and is communicated the pipe downside, install second transfer line bottom the joint, the die holder with there is the clearance in order to form the cavity between the cover half, cavity opposite side intercommunication has first liquid outlet, first liquid outlet fixed mounting be in die holder side, be connected with on the first liquid outlet the drain pipe, the drain pipe with first transfer line links to each other.
As an improvement of the above scheme, the first infusion tube and the second infusion tube both adopt corrugated tubes with elasticity and sealing performance, and the first infusion tube and the second infusion tube have certain thermal compensation capacity.
As an improvement of the scheme, the inner wall of the base die holder is symmetrically provided with two heat conducting blocks, and the heat conducting blocks are used for improving the heat transfer efficiency.
As the improvement of above-mentioned scheme, still including second liquid outlet, gasket and torsion spring, die holder side-mounting has the second liquid outlet, the second liquid outlet is located first liquid outlet below, and with the drain pipe links to each other, the second liquid outlet with die holder lower part intercommunication, movable mounting has in the second liquid outlet the gasket, the second liquid outlet with be connected with between the gasket torsion spring, the gasket is in keep normally closed state under the torsion spring effect, the gasket is used for letting out the pressure that the coolant liquid gasification produced.
As an improvement of the scheme, a plurality of pull rings are installed on the surfaces of the movable die and the bottom die base and used for facilitating the movement of equipment by manpower or machinery.
The invention has the following advantages: 1. according to the invention, through the flow dividing pipe in the heat dissipation assembly, the cooling liquid can be uniformly diffused into the heat dissipation plate, the moving die of the die can be rapidly cooled and dissipated through the heat dissipation plate, meanwhile, the cooling liquid is injected into the bottom die base through the second liquid conveying pipe in the cooling channel, the outer side of the fixed die is wrapped by the cooling liquid, the fixed die of the die can be rapidly cooled and dissipated, the fixed die and the moving die can be rapidly cooled and cooled uniformly and comprehensively, and further the influence of stress on the quality of a casting caused by uneven cooling is avoided;
2. the fixed die and the bottom die base are connected by adopting the positioning pin structure, the structure is convenient to install and disassemble, and the fixed die and the bottom die base can be cleaned in time to avoid scaling and blockage;
3. the double-sealing-pair design is adopted, so that external gas can be effectively prevented from leaking into the cavity, and the cavity is ensured to have a good vacuum effect;
4. the sealing sheet is matched with the second liquid outlet and other parts, so that the flow of the cooling liquid can be automatically increased at high temperature to accelerate cooling, and the pressure generated by the gasification of the cooling liquid in a short time and a large amount can be simultaneously released.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a partially enlarged view of the movable mold and the stationary mold according to the present invention.
Fig. 3 is a partial exploded view of the present invention.
Fig. 4 is a schematic perspective view of the convex ring of the present invention.
Fig. 5 is a schematic perspective view of a heat dissipation assembly according to the present invention.
Fig. 6 is a perspective view of the cooling channel of the present invention.
Fig. 7 is an enlarged view of a portion of the heat sink assembly and cooling channels of the present invention.
Fig. 8 is an enlarged view of the present invention at a.
Number designation in the figures: 1-a bottom die holder, 101-a shell, 102-a limiting plate, 103-a fixed pin, 2-a guide column, 3-a top plate, 4-a hydraulic cylinder, 5-a movable die, 51-a convex ring, 6-a heat conducting frame, 7-a fixed die, 71-a pin hole, 8-a heat dissipation assembly, 81-a heat dissipation plate, 82-a guide pipe, 83-a shunt pipe, 84-a liquid inlet valve, 85-a first liquid conveying pipe, 9-an adapter plate, 10-a cooling channel, 1001-a second liquid conveying pipe, 1002-a joint, 1003-a heat conducting block, 1004-a first liquid outlet, 1005-a second liquid outlet, 1006-a liquid outlet pipe, 11-a sealing plate, 12-a torsion spring and 13-a pull ring.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Referring to fig. 1-8, an embodiment of the present invention:
a large die-casting die with a rapid cooling structure comprises a bottom die holder 1, guide columns 2, a top plate 3, a hydraulic cylinder 4, a movable die 5, a fixed die 7 and an adapter plate 9, wherein the top of the bottom die holder 1 is welded with the vertical guide columns 2, the guide columns 2 are 4 in number and are distributed at four corners, the top ends of the guide columns 2 are connected with the top plate 3 through bolts, the lower side of the top plate 3 is connected with a linear reciprocating hydraulic cylinder 4 through bolts, the adapter plate 9 is installed at the bottom of the hydraulic cylinder 4 through bolts, the movable die 5 is slidably installed on the guide columns 2 and can drive the guide columns 2 to slide up and down along with the hydraulic cylinder 4, the fixed die 7 is detachably installed in the bottom die holder 1, a cavity formed by gaps exists between the fixed die and the movable die holder, the movable die 5 and the fixed die holder 7 can be attached to form a die-casting cavity in a sealing mode, and the movable die 5 and the fixed die holder 7 can be made of H13 steel, SKD61 steel or 8407 steel or other materials; still including heat conduction frame 6, radiator unit 8 and cooling channel 10, heat conduction frame 6 is installed through the bolt at 5 tops of movable mould, and heat conduction frame 6 adopts the aluminum alloy material in order to improve its coefficient of heat conductivity, installs through the bolt on the heat conduction frame 6 and is used for cooling radiating radiator unit 8 to movable mould 5, and movable mould 5 center department sets up the notes liquid hole that runs through heat conduction frame 6 and radiator unit 8, is equipped with the cooling channel 10 of connecting radiator unit 8 on the die holder 1, cooling channel 10 passes cover half 7 with the cavity that the clearance between the die holder 1 formed, cooling channel 10 is used for cooling heat dissipation to cover half 7, is equipped with double-seal substructure between movable mould 5 and the cover half 7, is equipped with between cover half 7 and the die holder 1 and is used for connecting fixed locating pin structure.
The bottom die holder 1 comprises a shell 101, a limiting plate 102 and a fixing pin 103, the shell 101 is provided with the limiting plate 102 protruding towards the inner side, the limiting plate 102 is in a square ring shape and matched with a protruding edge at the top of the fixed die 7, the middle of the top surface of the limiting plate 102 is symmetrically provided with the two fixing pins 103, the fixed die 7 is provided with a pin hole 71 matched with the fixing pin 103, the fixing pin 103 is inserted into the pin hole 71 to connect the fixed bottom die holder 1 and the fixed die 7, and the structure forms a positioning pin structure between the fixed die 7 and the bottom die holder 1.
The heat dissipation assembly 8 comprises a heat dissipation plate 81, a guide pipe 82, a shunt pipe 83, a liquid inlet valve 84 and a first infusion pipe 85, the heat dissipation plate 81 is installed in the heat conduction frame 6, the heat dissipation plate 81 is made of aluminum alloy, the heat dissipation plate 81 and the adapter plate 9 are fixedly connected through bolts, the bottom of the heat dissipation plate 81 is of a fin structure to enhance heat dissipation, a channel is formed between a fin structure gap of the heat dissipation plate 81 and the heat conduction frame 6, the guide pipe 82 is arranged on two sides of the heat dissipation plate 81, the shunt pipe 83 is connected between the guide pipe 82 and the heat dissipation plate 81, the shunt pipe 83 penetrates through the heat conduction frame 6 and is distributed at equal intervals, the liquid inlet valve 84 is arranged at the front end of one side of the guide pipe 82, the first infusion pipe 85 is connected and communicated with the bottom of the middle of the other side of the guide pipe 82, liquid flows into the guide pipe 82 through the shunt pipe 83, flows through the fin structure gap of the heat dissipation plate 81 after flowing to the other side of the guide pipe 82, the first infusion pipe 85 flows out, the cooling circulation device is connected outside the infusion pipe 84 and the first infusion pipe 85, and the cooling liquid can circulate continuously.
The cooling channel 10 comprises a second infusion tube 1001, a joint 1002, a heat conduction block 1003, a first liquid outlet 1004 and a liquid outlet tube 1006, the second infusion tube 1001 is connected and communicated with the lower side of the guide tube 82, the second infusion tube 1001 is opposite to the first infusion tube 85, the bottom end of the second infusion tube 1001 is provided with the L-shaped joint 1002 in a threaded fit mode, the joint 1002 is communicated with a cavity formed by a gap between the base die holder 1 and the fixed die 7, the other side of the cavity is communicated with the first liquid outlet 1004, the first liquid outlet 1004 is fixedly installed on the side face of the base die holder 1 through a bolt, the first liquid outlet 1004 is connected and communicated with the liquid outlet tube 1006, the liquid outlet tube 1006 is connected with the first infusion tube 85, after flowing into the guide tube 82 through the liquid inlet valve 84, flowing into the cavity after flowing through the second infusion tube 1001 and the joint 1002, and flowing out from the first liquid outlet tube 1004, and flowing out from the liquid outlet tube 1006, and the liquid in the first infusion tube 85 also flows out from the liquid outlet tube 1006.
Furthermore, the bottom of the movable mold 5 is provided with an integrally formed square convex ring 51, the bottom surface of the convex ring 51 is a first sealing surface, the convex ring 51 is matched with the ring surface at the top of the fixed mold 7 to form a first sealing pair, and the bottom surface of the movable mold 5 is matched with the top surface of the base mold seat 1 to form a second sealing pair.
Further, the liquid inlet valve 84 adopts a through type throttle valve for controlling the flow rate of the fluid by changing the throttle section, and the liquid inlet valve 84 is used for adjusting the flow rate of the cooling liquid to adjust the cooling rate.
Further, first transfer line 85 and second transfer line 1001 all adopt the bellows that have elasticity and leakproofness, and two heat conduction pieces 1003 are installed to the symmetry on the die base 1 inner wall, and heat conduction piece 1003 adopts the aluminum alloy material, it has logical groove so that the coolant liquid circulates from the centre to open on the heat conduction piece 1003.
Further, a second liquid outlet 1005 is installed on the side surface of the bottom die holder 1 through a bolt, the second liquid outlet 1005 is communicated with the lower part of the bottom die holder 1, and the second liquid outlet 1005 is located below the first liquid outlet 1004 and is connected with the liquid outlet pipe 1006; the sealing plate 11 and the torsion spring 12 can be made of alloy spring steel 30W4Cr2VA, die steel H13, iron-based high-temperature alloy GH2135 or nickel-based high-temperature alloy GH4145 and the like, and the sealing plate 11 is kept in a sealing state under the action of the torsion spring 12 to block the second liquid outlet 1005.
Furthermore, the surfaces of the movable mold 5 and the bottom mold base 1 are connected with 8 pull rings 13 through bolts, wherein 4 pull rings 13 are symmetrically distributed on the top surface of the movable mold 5 so as to facilitate the hoisting of the mold, the other 4 pull rings 13 are symmetrically distributed on the front side surface and the rear side surface of the bottom mold base, and the pull rings 13 facilitate the manual or mechanical movement of equipment.
The working principle is as follows: when the die-casting production is needed, the fixed die 7 is fixed in the bottom die holder 1 through the positioning pin structure, the hydraulic cylinder 4 is controlled to press downwards to drive the adapter plate 9 and the movable die 5 to move downwards along the guide post 2, the movable die 5 and the fixed die 7 are in sealing fit through the double-sealing pair structure, molten alloy liquid is filled in a cavity between the movable die 5 and the fixed die 7 at a high speed, the alloy liquid is cooled and solidified under pressure to form a casting, the heat dissipation assembly 8 is opened to introduce cooling liquid inwards during the die-casting production, the movable die 5 rapidly transfers heat to the cooling liquid through the heat conduction of the heat conduction frame 6 for cooling, the cooling liquid is introduced into a cavity formed between the fixed die 7 and the bottom die holder 1 through the cooling channel 10, the fixed die 7 is cooled, and the movable die 5 and the fixed die 7 rapidly absorb the heat in the alloy liquid and transfer the heat to the cooling liquid, so that the molten alloy liquid is comprehensively, rapidly and uniformly cooled.
When the coolant liquid circulates in the cooling channel 10 inner loop for a long time, the cooling channel 10 is easy to scale in the cooling channel 10, and then the cooling effect is influenced, the inner wall of the bottom die holder 1 or the outer wall of the fixed die 7 need to be cleaned, and the fixed die 7 and the bottom die holder 1 are fixed through the fixing pin 103 and the pin hole 71 in a matched mode, so that the structure is convenient to install and disassemble, and the cleaning can be timely carried out to avoid scale blockage.
When the movable mold 5 and the fixed mold 7 are in sealing fit, the convex ring 51 serving as a sealing surface is easy to match the mold and can further ensure the sealing performance, and the double-sealing pair structure can effectively prevent outside gas from leaking into the cavity and ensure that the cavity has a good vacuum effect.
When molten metal liquid needs to be cooled, the flow is adjusted through the liquid inlet valve 84, so that the cooling liquid continuously flows into the guide pipe 82 at a certain flow speed, passes through the multi-component flow pipe 83 and then passes through the heat conduction frame 6, flows through an internal channel formed by the fin structure at the bottom of the heat dissipation plate 81 and the heat conduction frame 6, then flows into another guide pipe 82 from the flow dividing pipe 83 at the other side in a confluence manner, finally flows out through the first liquid conveying pipe 85, the heat dissipation plate 81 and the flowing cooling liquid cooperate to rapidly absorb heat on the fixed die 7, and rapid cooling of the fixed die 7 is further realized.
When cooling liquid flows through the heat conduction frame 6 on the upper side of the fixed die 7 for cooling, the cooling liquid in the guide pipe 82 with the liquid inlet valve 84 synchronously flows into the second liquid conveying pipe 1001 and flows into a cavity formed between the bottom die base 1 and the fixed die 7 through the communicated joint 1002, the bottom surface and the side surface of the fixed die 7 are soaked in the cooling liquid, the heat conduction block 1003 on the side surface of the inner wall of the bottom die base 1 can further improve the heat conduction rate, the fixed die 7 is rapidly cooled and is synchronous with the movable die 5, after the cooling liquid in the cavity is accumulated to a certain height, the cooling liquid is discharged out of the cavity from the first liquid outlet 1004 and flows out of the cooling channel 10 after flowing into the liquid outlet pipe 1006. When coolant liquid and high temperature mould contact heat transfer, gasification in the twinkling of an eye easily takes place, produce expansion pressure in the twinkling of an eye, this pressure can make gasket 11 rotate and open, no longer block up second liquid outlet 1005, the coolant liquid can flow out simultaneously from first liquid outlet 1004 and second liquid outlet 1005, and then improve coolant liquid flow cooling with higher speed and realize the pressure release, after fixed die 7 and 5 temperature of movable mould reduce to the certain degree, the pressure that the coolant liquid gasification produced reduces, gasket 11 resets under torque spring 12's effect, block up second liquid outlet 1005 again.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A large die-casting die with a rapid cooling structure comprises a die holder (1) with a bottom, a guide post (2), a top plate (3), a hydraulic cylinder (4), a movable die (5) and a fixed die (7), wherein the guide post (2) is arranged on the die holder (1), the top end of the guide post (2) is fixedly provided with the top plate (3), the lower side of the top plate (3) is connected with the hydraulic cylinder (4), the movable die (5) is slidably arranged on the guide post (2) and can be driven by the hydraulic cylinder (4) to slide up and down relative to the guide post (2), the fixed die (7) is arranged in the die holder (1), and the movable die (5) and the fixed die (7) can be attached in a sealing manner to form a die-casting cavity;
its characterized in that still including heat conduction frame (6), radiator unit (8), keysets (9) and cooling channel (10), install on movable mould (5) heat conduction frame (6), it is right to install on heat conduction frame (6) movable mould (5) cool off radiating radiator unit (8), radiator unit (8) with pneumatic cylinder (4) are passed through keysets (9) are connected, seted up on movable mould (5) and run through heat conduction frame (6) with the notes liquid hole of radiator unit (8), be equipped with on die holder (1) and connect radiator unit (8) cooling channel (10), cooling channel (10) be used for right the cover half (7) cools off the heat dissipation, movable mould (5) with be equipped with double-seal pair structure between cover half (7), cover half (7) with be equipped with between die holder (1) and be used for connecting fixed locating pin structure.
2. The large-scale die-casting die with the rapid cooling structure as claimed in claim 1, wherein the base die holder (1) comprises a shell (101), a limiting plate (102) and a fixing pin (103), the limiting plate (102) protruding inwards is arranged on the shell (101), the fixing pin (103) is arranged on the limiting plate (102), and a pin hole (71) matched with the fixing pin (103) is arranged on the fixed die (7).
3. The large-scale die-casting die with the rapid cooling structure as claimed in claim 1, wherein a protruding ring (51) is arranged at the bottom of the movable die (5), the protruding ring (51) is matched with the ring surface at the top of the fixed die (7) to form a first sealing pair, and the bottom surface of the movable die (5) is matched with the top surface of the base die holder (1) to form a second sealing pair.
4. The large die-casting die with the rapid cooling structure as claimed in claim 1, wherein the heat dissipation assembly (8) is used for cooling and dissipating heat of the moving die (5), the heat dissipation assembly (8) comprises a heat dissipation plate (81), a conduit (82), a shunt tube (83), a liquid inlet valve (84) and a first liquid conveying tube (85), the heat dissipation plate (81) is installed in the heat conduction frame (6), the heat dissipation plate (81) is connected with the hydraulic cylinder (4) through the adapter plate (9), the conduit (82) is arranged on two sides of the heat dissipation plate (81), the shunt tube (83) is connected between the conduit (82) and the heat dissipation plate (81), the liquid inlet valve (84) is arranged on the conduit (82) on one side, the liquid inlet valve (84) is used for controlling the flow, and the first liquid conveying tube (85) is connected on the conduit (82) on the other side.
5. The large-sized die casting mold with rapid cooling structure according to claim 4, wherein the liquid inlet valve (84) employs a straight-through type throttle valve for controlling a fluid flow rate by changing a throttle section, and the liquid inlet valve (84) is used for adjusting a coolant flow rate to adjust a cooling rate.
6. The large die-casting die with the rapid cooling structure as claimed in claim 4, wherein the cooling channel (10) is used for cooling and dissipating heat of the fixed die (7), the cooling channel (10) comprises a second liquid conveying pipe (1001), a joint (1002), a first liquid outlet (1004) and a liquid outlet pipe (1006), the second liquid conveying pipe (1001) is connected and communicated with the lower side of the guide pipe (82), the joint (1002) is installed at the bottom end of the second liquid conveying pipe (1001), a gap exists between the die base (1) and the fixed die (7) to form a cavity, the first liquid outlet (1004) is communicated with the other side of the cavity, the first liquid outlet (1004) is fixedly installed on the side surface of the die base (1), the liquid outlet pipe (1006) is connected to the first liquid outlet (1004), and the liquid outlet pipe (1006) is connected with the first liquid conveying pipe (85).
7. The large-scale die-casting mold with the rapid cooling structure as claimed in claim 6, wherein the first infusion tube (85) and the second infusion tube (1001) both adopt flexible and sealing bellows, and the first infusion tube (85) and the second infusion tube (1001) have certain thermal compensation capability.
8. The large-scale die-casting die with the rapid cooling structure as claimed in claim 6, wherein two heat conducting blocks (1003) are symmetrically arranged on the inner wall of the base die holder (1), and the heat conducting blocks (1003) are used for improving heat transfer efficiency.
9. The large die-casting die with the rapid cooling structure as claimed in claim 6, further comprising a second liquid outlet (1005), a sealing plate (11) and a torsion spring (12), wherein the second liquid outlet (1005) is installed on a side surface of the base die holder (1), the second liquid outlet (1005) is located below the first liquid outlet (1004) and connected to the liquid outlet pipe (1006), the second liquid outlet (1005) is communicated with a lower portion of the base die holder (1), the sealing plate (11) is movably installed in the second liquid outlet (1005), the torsion spring (12) is connected between the second liquid outlet (1005) and the sealing plate (11), the sealing plate (11) is kept in a normally closed state under the action of the torsion spring (12), and the sealing plate (11) is used for relieving pressure generated by gasification of the cooling liquid.
10. The large-sized die casting mold with the rapid cooling structure as claimed in claim 1, wherein a plurality of pull rings (13) are installed on the surface of the movable mold (5) and the base mold seat (1), and the pull rings (13) are used for facilitating the movement of the equipment by manpower or machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310171710.XA CN115846621A (en) | 2023-02-28 | 2023-02-28 | Large-scale die casting die with quick cooling structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310171710.XA CN115846621A (en) | 2023-02-28 | 2023-02-28 | Large-scale die casting die with quick cooling structure |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011078167A1 (en) * | 2011-06-28 | 2013-01-17 | Joachim Hannebaum | Method for controlling temperature of workpiece manufacturing section in thermoplastic injection molding tool, involves controlling removal of heat from injection mold based on temperature measured by temperature sensor |
| DE102013010678A1 (en) * | 2013-06-22 | 2014-12-24 | Meusburger Georg GmbH & Co. KG | Cooling bridge element for the deflection of tempering liquids on injection molding and die casting tools |
| CN104368789A (en) * | 2014-11-24 | 2015-02-25 | 广东鸿图南通压铸有限公司 | Die-casting die temperature control device and control method |
| CN109848394A (en) * | 2019-04-08 | 2019-06-07 | 苏州孝东金属制品有限公司 | A kind of efficient die casting temperature control system |
| CN210208601U (en) * | 2019-05-07 | 2020-03-31 | 东莞市石碣华丰金属有限公司 | Die-casting zinc alloy casting mould |
| CN112059146A (en) * | 2020-09-18 | 2020-12-11 | 常州机电职业技术学院 | Die casting die cooling device |
| CN213002565U (en) * | 2020-07-30 | 2021-04-20 | 佛山市南海粤铸金属制品有限公司 | High-efficient refrigerated metal die mould |
| CN213794145U (en) * | 2020-11-23 | 2021-07-27 | 鸡泽县欧迪铸造有限公司 | Prevent subsiding die casting die that well lid was used |
-
2023
- 2023-02-28 CN CN202310171710.XA patent/CN115846621A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011078167A1 (en) * | 2011-06-28 | 2013-01-17 | Joachim Hannebaum | Method for controlling temperature of workpiece manufacturing section in thermoplastic injection molding tool, involves controlling removal of heat from injection mold based on temperature measured by temperature sensor |
| DE102013010678A1 (en) * | 2013-06-22 | 2014-12-24 | Meusburger Georg GmbH & Co. KG | Cooling bridge element for the deflection of tempering liquids on injection molding and die casting tools |
| CN104368789A (en) * | 2014-11-24 | 2015-02-25 | 广东鸿图南通压铸有限公司 | Die-casting die temperature control device and control method |
| CN109848394A (en) * | 2019-04-08 | 2019-06-07 | 苏州孝东金属制品有限公司 | A kind of efficient die casting temperature control system |
| CN210208601U (en) * | 2019-05-07 | 2020-03-31 | 东莞市石碣华丰金属有限公司 | Die-casting zinc alloy casting mould |
| CN213002565U (en) * | 2020-07-30 | 2021-04-20 | 佛山市南海粤铸金属制品有限公司 | High-efficient refrigerated metal die mould |
| CN112059146A (en) * | 2020-09-18 | 2020-12-11 | 常州机电职业技术学院 | Die casting die cooling device |
| CN213794145U (en) * | 2020-11-23 | 2021-07-27 | 鸡泽县欧迪铸造有限公司 | Prevent subsiding die casting die that well lid was used |
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Application publication date: 20230328 |