CN110252996B - Core-pulling cooling device of die-casting die - Google Patents
Core-pulling cooling device of die-casting die Download PDFInfo
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- CN110252996B CN110252996B CN201910686030.5A CN201910686030A CN110252996B CN 110252996 B CN110252996 B CN 110252996B CN 201910686030 A CN201910686030 A CN 201910686030A CN 110252996 B CN110252996 B CN 110252996B
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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
- B22D17/2218—Cooling or heating equipment for dies
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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
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the field of mold equipment, in particular to a core-pulling cooling device of a die-casting mold, which comprises a moving mechanism, wherein a fixed shell is arranged at the upper end of the moving mechanism, a mold core is arranged at the front end of the fixed shell, a fixed mechanism is arranged between the fixed shell and the mold core, the fixed mechanism comprises a fixed component and an adjusting component, the adjusting component is arranged at the end part of the fixed component, cooling circulating mechanisms are arranged in the fixed shell and the mold core, each cooling circulating mechanism comprises a cooling circulating component, a connecting part and a control component, the connecting parts and the control components are both arranged in the middle of the cooling circulating components, the connecting parts are positioned between the fixed shell and the mold core, the control components are positioned. The heat-insulating and cooling assembly can separate the low-temperature cooling liquid from the high-temperature cooling liquid, avoids heat exchange between the low-temperature cooling liquid and the high-temperature cooling liquid, reduces the cooling effect, and meanwhile, the structural arrangement of the fixing mechanism can be adjusted, so that the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the field of die equipment, in particular to a core-pulling cooling device of a die-casting die.
Background
The mould inevitably has the parting of product and die sinking direction inconsistent in process of production, except that few circumstances can carry out the forced drawing of patterns, generally all need carry out side direction parting and loose core, just can take out the finished piece, the device of loosing core need cool off when using to guarantee to loose core the in-process and be difficult for gluing the alloy and guarantee the roughness on product surface. However, the die-casting cooling device in the prior art has a complex structure, high cost, poor cooling effect and inconvenient use.
Chinese patent No. CN105665679B discloses a die casting die cooling device of loosing core, aims at solving the problems of complex structure, high cost, poor cooling effect to the position of loosing core and inconvenient core-pulling operation of the core of the existing die casting cooling device. The cooling device comprises a piston cylinder, a mold core and a cooling pipe, wherein a cooling cavity arranged along an axis is arranged in the mold core, a quick-release transition block is connected between a telescopic rod of the piston cylinder and the mold core, the cooling pipe is movably connected to the piston cylinder and comprises an inner pipe and an outer pipe, a liquid return gap is arranged between the outer wall of the inner pipe and the inner wall of the outer pipe, the inner pipe extends out of the front end of the outer pipe, the parts of the inner pipe extending out of the front end of the outer pipe are all arranged in the cooling cavity, the front end of the inner pipe is arranged close to the bottom end of the cooling cavity, a connecting part is arranged at the front end of the outer pipe, the mold core is tightly connected with the connecting part through an opening end connected.
However, the above patent has the following technical problems in use; first, the inner tube is located the outer tube inboard, the coolant liquid passes through the front end that the inner tube got into the core, the rethread outer tube is discharged, however, in the use, the coolant liquid gets into the front end of core and absorbs the heat after through the outside exhaust in-process of outer tube, can and take place heat exchange from between the coolant liquid that the inner tube got into, the coolant liquid temperature that leads to newly getting into risees, the cooling effect has been reduced, and secondly, through quick-release transition piece fixed connection between piston cylinder and the core in this patent, wherein spacing bulge loop and the unable regulation of position between the bulge loop, quick-release transition piece and spacing bulge loop and the unable regulation of card solid position between the connection bulge loop also appear not adjusting, the not hard up condition appears after long-time practicality easily, and then lead to the coolant liquid to expose, influence the life of equipment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a core-pulling cooling device for a die-casting die.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a die casting die cooling device of loosing core, includes moving mechanism, moving mechanism's upper end is equipped with the set casing, the front end of set casing is equipped with the core, be equipped with between set casing and the core and be used for connecting fixed establishment between them, fixed establishment includes fixed subassembly and adjusting part, adjusting part installs the tip at fixed subassembly, be equipped with cooling circulation mechanism in fixed casing and the core, cooling circulation mechanism includes cooling circulation subassembly, connecting portion and control assembly all set up the middle part at the cooling circulation subassembly, connecting portion are located between set casing and the core, control assembly is located the set casing, be equipped with thermal-insulated cooling subassembly in the core.
Further, the cooling circulation assembly comprises a first mounting groove, a second mounting groove, a first mounting block and a second mounting block, the first mounting groove and the second mounting groove are respectively arranged in the fixed shell and the core, the first mounting block and the second mounting block are respectively arranged in the first mounting groove and the second mounting groove, a plurality of connecting blocks for connecting the first mounting block and the first mounting groove and the second mounting groove are respectively arranged between the first mounting block and the side wall of the first mounting groove and between the second mounting block and the second mounting groove, a first inlet channel is formed between the first mounting block and the side wall of the first mounting groove, a second inlet channel is formed between the second mounting block and the side wall of the second mounting groove, the first inlet channel and the second inlet channel are connected through a connecting part, and a first discharge channel and a second discharge channel are respectively arranged in the middle parts of the first mounting block and the second mounting block, the first discharge passage and the second discharge passage are connected through a connecting part, a first connector communicated with the first inlet passage and a second connector communicated with the first discharge passage are arranged on the fixed shell, and one end of the second discharge passage is communicated with one end of the second inlet passage.
Further, thermal-insulated cooling subassembly includes insulating layer, thermal-insulated chamber and cooling pipe, thermal-insulated chamber and insulating layer all set up between second entering passageway and second discharge passage and the insulating layer lantern ring is around the outside in thermal-insulated chamber, the cooling pipe setting is all run through the tip of set casing and extend to the outside of set casing at thermal-insulated intracavity and cooling pipe's both ends.
Further, the connecting part comprises a connecting plug and an annular convex block, the connecting plug is arranged at the end part of the core, the middle part of the connecting plug is of a hollow structure and is communicated with the second discharge channel, the cross section of the connecting plug is of a trapezoidal structure, the end part of the fixed shell is provided with a connecting groove matched with the connecting plug, the connecting groove is communicated with the first discharge channel, the annular convex block is arranged at the end part of the fixed shell, the cross section of the annular convex block is of a trapezoidal structure, the end part of the core is provided with an annular clamping groove matched with the annular convex block, the middle part of the annular convex block is provided with an annular through hole used for communicating the first inlet channel and the second inlet channel, the fixed shell is provided with two inserting grooves which are respectively matched with the two ends of the cooling pipeline in an inserting manner, the bottom of each inserting groove is provided with a third sealing ring, and the, one end of the water inlet pipeline and one end of the water drainage pipeline are respectively connected with the third sealing rings in the two insertion grooves, and the other ends of the water inlet pipeline and the water drainage pipeline extend to the outside of the fixed shell.
Furthermore, be equipped with first sealing washer between the lateral wall of connecting plug and spread groove, all be equipped with the second sealing washer between the both sides lateral wall of ring groove and the both sides of annular lug.
Further, fixed subassembly includes the solid fixed ring of first solid fixed ring, second and fixed cover, the outside at the set casing is established to first solid fixed ring cover, the outside at the core is established to the solid fixed ring cover of second, fixed cover is established in the outside at the solid fixed ring of first solid fixed ring and second, the one end of fixed cover is equipped with spacing protruding edge, the other end of fixed cover is provided with a plurality of and its threaded connection's fixed screw.
Furthermore, the adjusting component comprises an adjusting block, the adjusting block is inserted into one end of the fixing sleeve, a clamping block clamped with the limiting convex edge is arranged at one end of the adjusting block, the clamping block is rotatably connected with the adjusting block, an adjusting thread is arranged in the middle of the adjusting block, and the adjusting thread is in threaded fit with the inner side wall of the limiting convex edge.
Further, the control assembly comprises a control cavity, the control cavity surrounds the first discharge channel, a control piston and a control spring are arranged in the control cavity, two ends of the control spring are connected with the control piston and the fixed shell respectively, and the end part of the control cavity and the middle part of the control cavity are communicated with the first inlet channel.
Further, the moving mechanism comprises a moving track, a moving block and a moving hydraulic rod, the moving block is mounted on the moving track and is in interactive fit with the moving track, the moving hydraulic rod is mounted at the end of the moving track, the output end of the moving hydraulic rod is fixedly connected with one end of the moving block, and the fixed shell is fixedly connected with the upper end of the moving block.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the heat insulation layer and the cooling pipeline are arranged between the second inlet channel and the second outlet channel, the heat insulation layer separates the high-temperature cooling liquid discharged outwards from the low-temperature cooling liquid, the temperature of the low-temperature cooling liquid is prevented from rising due to heat exchange between the high-temperature cooling liquid and the low-temperature cooling liquid, and then the cooling effect is influenced.
Secondly, one end of the core is butted with one end of the fixed shell, the fixed sleeve is sleeved from one end of the core, the limit convex edge is clamped with the second fixed sleeve, then the fixed screw is rotated, one end of the fixed screw is clamped with the first fixed ring, so that the first fixed ring and the second fixed ring are positioned in the fixed sleeve, the adjusting block can move along the axis of the fixed sleeve by rotating the adjusting block and matching the threads of the adjusting hole and the limit convex edge, the second fixed ring is extruded by pushing the clamping block, meanwhile, the first fixed ring cannot move under the action of all the fixed screws, so that the distance between the first fixed ring and the second fixed ring can be changed, the firmness degree between the fixed shell and the core is adjusted, and the equipment is worn to cause the insecure connection between the fixed shell and the core after being used for a long time, also can continue to rotate the regulating block, and then compress tightly first solid fixed ring and the solid fixed ring of second on the two for fixed shell and core further firm connection have prolonged the life of equipment, and its fixed mode is simple, does not influence the use of equipment.
Thirdly, the control assembly is arranged in the cooling device, when cooling liquid flows into the core through the first inlet channel, the cooling liquid can enter the control cavity from the middle of the first inlet channel, the control piston is extruded towards one end of the control cavity, after the control piston completely moves to the end part of the control cavity, the control spring is compressed, the communication part between the first inlet channel and the middle of the control cavity is opened, further, the cooling liquid enters the rear half part of the first inlet channel to continue to enter, after the first inlet channel stops liquid inlet, the control piston blocks the communication part between the first inlet channel and the middle of the control cavity under the action of the control spring, further, the cooling liquid in the core is prevented from being discharged, and the phenomenon that air enters the interior and dust in the air affects the interior of the core is avoided.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a partial side view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C of FIG. 3;
FIG. 6 is a partial top view of the present invention;
fig. 7 is a cross-sectional view taken along line D-D of fig. 6.
The reference numbers in the figures are: the device comprises a moving mechanism 1, a moving track 11, a moving block 12, a moving hydraulic rod 13, a fixed shell 2, a mold core 3, a fixed mechanism 4, a fixed assembly 41, a first fixed ring 411, a second fixed ring 412, a fixed sleeve 413, a limiting convex edge 414, a fixed screw 415, an adjusting assembly 42, an adjusting block 421, a clamping block 422, a cooling circulation mechanism 5, a cooling circulation assembly 51, a first mounting block 511, a second mounting block 512, a first inlet channel 514, a second inlet channel 515, a first outlet channel 516, a second outlet channel 517, a first connector 518, a second connector 519, a connecting part 52, a connecting plug 521, an annular convex block 522, an annular through hole 524, a third sealing ring 526, a water inlet pipeline 527, a water discharge pipeline 528, a control assembly 53, a control cavity 531, a control piston 532, a control spring 533, a heat insulation and temperature reduction assembly 6, a heat insulation layer 61, a heat insulation cavity 62 and a temperature reduction pipeline 63, a first sealing ring 7 and a second sealing ring 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1 to 7, a core-pulling cooling device for a die-casting mold comprises a moving mechanism 1, the upper end of the moving mechanism 1 is provided with a fixed shell 2, the front end of the fixed shell 2 is provided with a mold core 3, a fixing mechanism 4 for connecting the fixing shell 2 and the core 3 is arranged between the fixing shell and the core, the fixing mechanism 4 comprises a fixing component 41 and an adjusting component 42, the adjusting assembly 42 is installed at the end of the fixing assembly 41, the cooling circulation mechanism 5 is arranged in the fixing shell 2 and the core 3, the cooling circulation mechanism 5 includes a cooling circulation module 51, a connection unit 52 and a control module 53, the connection portion 52 and the control unit 53 are provided at the center of the cooling circulation unit 51, the connection portion 52 is located between the stationary case 2 and the core 3, the control assembly 53 is positioned in the fixed shell 2, and a heat insulation and temperature reduction assembly 6 is arranged in the mold core 3; when the invention is used, the moving mechanism 1 controls the movement of the core 3, when the core 3 moves forwards, the core 3 is inserted into a workpiece to perform core-pulling operation, at the moment, the cooling circulation component 51 is operated to cool the core 3, meanwhile, the heat insulation and temperature reduction assembly 6 works to separate the externally discharged cooling liquid from the newly entered cooling liquid for temperature reduction, so that the heat of the externally discharged high-temperature cooling liquid is prevented from being transferred to the newly entered cooling liquid, the cooling effect of the cooling liquid on the core 3 is ensured, and the time is used for mistake making, the opening and closing of the cooling fluid can be controlled by the control assembly 53, the fixing assembly 41 is used to connect the core 3 and the fixing shell 2 together, the adjustment assembly 42 is provided to adjust the firmness of the connection between the two, even if there is wear after a long period of use, further compression by the adjustment assembly 42 enables a secure connection between the core 3 and the housing to continue.
The cooling circulation assembly 51 includes a first mounting groove, a second mounting groove, a first mounting block 511 and a second mounting block 512, the first mounting groove and the second mounting groove are respectively disposed in the fixed shell 2 and the core 3, the first mounting block 511 and the second mounting block 512 are respectively disposed in the first mounting groove and the second mounting groove, a plurality of connecting blocks for connecting the first mounting block 511 and the first mounting groove and the second mounting groove are respectively disposed between the first mounting block 511 and the side wall of the second mounting groove and between the second mounting block 512 and the second mounting groove, a first inlet channel 514 is formed between the first mounting block 511 and the side wall of the first mounting groove, a second inlet channel 515 is formed between the second mounting block 512 and the side wall of the second mounting groove, the first inlet channel 514 and the second inlet channel 515 are connected by a connecting portion 52, a first outlet channel 516 and a second outlet channel 517 are respectively disposed in the middle portions of the first mounting block 511 and the second mounting block 512, the first discharge channel 516 and the second discharge channel 517 are connected by a connecting part 52, the fixed shell 2 is provided with a first connecting head 518 communicated with the first inlet channel 514 and a second connecting head 519 communicated with the first discharge channel 516, and one end of the second discharge channel 517 is communicated with one end of the second inlet channel 515; in use, coolant enters the second inlet channel 515 from the first inlet channel 514 and follows the second inlet channel 515 to the forward end of the core 3, enters the second outlet channel 517, then enters the first outlet channel from the second outlet channel 517, and finally exits the second connector 519.
The insulated cooling module 6 comprises an insulating layer 61, an insulating cavity 62 and a cooling duct 63, the insulating cavity 62 and the insulating layer 61 are both arranged between the second inlet channel 515 and the second outlet channel 517, the insulating layer 61 surrounds the outside of the insulating cavity 62, the cooling pipeline 63 is arranged in the heat insulation cavity 62, two ends of the cooling pipeline 63 penetrate through the end part of the fixed shell 2 and extend to the outside of the fixed shell 2, the heat insulation layer 61 is arranged to separate the high-temperature cooling liquid discharged outwards from the low-temperature cooling liquid, so as to avoid the temperature rise of the low-temperature cooling liquid caused by heat exchange between the high-temperature cooling liquid and the low-temperature cooling liquid, and then influence the cooling effect, simultaneously, let in low temperature cooling water through cooling tube 63, on the one hand, can guarantee that low-temperature coolant liquid flows into to the front end of core 3 with low temperature state, and on the other hand can cool down exhaust high temperature coolant liquid, and it carries out cycle work of being convenient for.
The connecting portion 52 comprises a connecting plug 521 and an annular projection 522, the connecting plug 521 is mounted at the end of the core 3, the middle of the connecting plug 521 is hollow and is communicated with the second discharge channel 517, the cross section of the connecting plug 521 is of a trapezoid structure, the end of the fixed shell 2 is provided with a connecting groove matched with the connecting plug 521 and communicated with the first discharge channel 516, the annular projection 522 is mounted at the end of the fixed shell 2, the cross section of the annular projection 522 is of a trapezoid structure, the end of the core 3 is provided with an annular clamping groove matched with the annular projection 522, the middle of the annular projection 522 is provided with an annular through hole 524 used for communicating the first inlet channel 514 and the second inlet channel 515, the fixed shell 2 is provided with two insertion grooves respectively matched with two ends of the cooling pipeline 63 in an insertion manner, and the bottom of each insertion groove is provided with a third sealing ring 526, a water inlet pipeline 527 and a water discharge pipeline 528 are arranged in the fixed shell 2, one ends of the water inlet pipeline 527 and the water discharge pipeline 528 are respectively connected with the third sealing rings 526 in the two inserting-connecting grooves, and the other ends of the water inlet pipeline 527 and the water discharge pipeline 528 extend to the outside of the fixed shell 2; the specific structures of the annular bump 522 and the annular clamping groove are shown in fig. 4, and the structural arrangement of the connecting plug 521 and the connecting groove can improve the connecting effect, and the third sealing ring 526 has the function of improving the sealing effect between the two ends of the cooling pipeline 63 and between the water inlet pipeline 527 and the water drainage pipeline 528, so that the cooling water leakage is avoided.
Be equipped with first sealing washer 7 between the lateral wall of connecting plug 521 and spread groove, all be equipped with second sealing washer 8 between the both sides lateral wall of ring groove and the both sides of annular lug 522, first sealing washer 7 sets up with sealed connecting plug 521 and spread groove, and second sealing washer 8 is the sealed effect of guaranteeing between ring groove and the annular lug 522.
The fixing component 41 comprises a first fixing ring 411, a second fixing ring 412 and a fixing sleeve 413, the first fixing ring 411 is sleeved outside the fixing shell 2, the second fixing ring 412 is sleeved outside the core 3, the fixing sleeve 413 is sleeved outside the first fixing ring 411 and the second fixing ring 412, one end of the fixing sleeve 413 is provided with a limiting convex edge 414, and the other end of the fixing sleeve 413 is provided with a plurality of fixing screws 415 in threaded connection with the fixing screw; the fixing sleeve 413 is sleeved in from one end of the core 3, the limiting convex edge 414 is clamped with the second fixing sleeve 413, then one end of the fixing screw 415 is clamped with the first fixing ring 411 by rotating the fixing screw 415, so that the first fixing ring 411 and the second fixing ring 412 are positioned in the fixing sleeve 413, and finally the first fixing ring 411 and the second fixing ring 412 are pressed tightly by the operation of the adjusting assembly 42, so that the core 3 is firmly connected with the fixing shell 2.
The adjusting component 42 comprises an adjusting block 421, the adjusting block 421 is inserted into one end of the fixing sleeve 413, one end of the adjusting block 421 is provided with a clamping block 422 clamped with the limiting convex edge 414, the clamping block 422 is rotatably connected with the adjusting block 421, the middle part of the adjusting block 421 is provided with an adjusting thread, and the adjusting thread is in threaded fit with the inner side wall of the limiting convex edge 414; when the adjustable fixing ring is used, the adjusting block 421 can move along the axis of the fixing sleeve 413 by rotating the adjusting block 421 and matching the threads of the adjusting hole with the threads of the limiting convex edge 414, so as to push the clamping block 422 to extrude the second fixing ring 412, and meanwhile, the first fixing ring 411 cannot move under the action of all the fixing screws 415, so that the distance between the first fixing ring 411 and the second fixing ring 412 can be changed, and the firmness between the fixing shell 2 and the mold core 3 can be adjusted.
The control assembly 53 comprises a control cavity 531, the control cavity 531 surrounds the first exhaust channel 516, a control piston 532 and a control spring 533 are arranged in the control cavity 531, two ends of the control spring 533 are respectively connected with the control piston 532 and the fixed shell 2, and the end part of the control cavity 531 and the middle part of the control cavity 531 are both communicated with the first inlet channel 514; when the coolant flows into the core 3 through the first inlet channel 514, the coolant enters the control cavity 531 in the middle of the first inlet channel 514, and the control piston 532 is extruded towards one end of the control cavity 531, after the control piston 532 completely moves to the end of the control cavity 531, the control spring 533 is compressed, the communication position between the first inlet channel 514 and the middle of the control cavity 531 is opened, further, the coolant enters the rear half of the first inlet channel 514 to continue to enter, and after the first inlet channel 514 stops feeding the coolant, the communication position between the first inlet channel 514 and the middle of the control cavity 531 is blocked by the control piston 532 under the action of the control spring 533, so that the coolant in the core 3 is prevented from being discharged, and air is prevented from entering the interior, and dust in the air has influence on the interior of the core 3.
The moving mechanism 1 comprises a moving track 11, a moving block 12 and a moving hydraulic rod 13, the moving block 12 is mounted on the moving track 11 and is in interactive fit with the moving track 11, the moving hydraulic rod 13 is mounted at the end of the moving track 11, the output end of the moving hydraulic rod 13 is fixedly connected with one end of the moving block 12, and the fixed shell 2 is fixedly connected with the upper end of the moving block 12; the movable block 12 is moved along the movable rail 11 by the operation of the movable hydraulic rod 13, thereby adjusting the position of the core 3.
The working principle of the invention is as follows: one end of the core 3 is abutted with one end of the fixed shell 2, the fixed sleeve 413 is sleeved from one end of the core 3, the limit convex edge 414 is clamped with the second fixed sleeve 413, then the fixed screw 415 is rotated, one end of the fixed screw 415 is clamped with the first fixed ring 411, so that the first fixed ring 411 and the second fixed ring 412 are positioned in the fixed sleeve 413, the adjusting block 421 can move along the axis of the fixed sleeve 413 through the threaded fit of the adjusting hole thread and the limit convex edge 414 by rotating the adjusting block 421, and the clamping block 422 is further pushed to extrude the second fixed ring 412, meanwhile, the first fixed ring 411 cannot move under the action of all the fixed screws 415, so that the distance between the first fixed ring 411 and the second fixed ring 412 can be changed, and further the firmness between the fixed shell 2 and the core 3 is adjusted, when in use, the moving block 12 is pushed to move along the moving track 11 by the operation of the moving hydraulic rod 13, and then adjust the position of core 3, the coolant liquid gets into in the second entering passageway 515 from first entering passageway 514, and enter the front end of core 3 along second entering passageway 515, reentry second discharge passage 517, later get into first discharge passage from second discharge passage 517, discharge from second connector 519 at last, the high temperature coolant liquid that will outwards discharge is separated with the cryogenic coolant liquid that enters through insulating layer 61 simultaneously, avoid taking place heat exchange between the two and lead to the rise of cryogenic coolant temperature, and then influence the cooling effect, cooling pipe 63 lets in low temperature cooling water, on the one hand, can guarantee that cryogenic coolant liquid flows into to the front end of core 3 with low temperature state, on the other hand, can cool down discharged high temperature coolant liquid, be convenient for it carries out cycle work.
Claims (7)
1. The die casting die core-pulling cooling device comprises a moving mechanism (1), wherein a fixed shell (2) is arranged at the upper end of the moving mechanism (1), a core (3) is arranged at the front end of the fixed shell (2), a fixed mechanism (4) used for connecting the fixed shell (2) and the core (3) is arranged between the fixed shell (2) and the core (3), the fixed mechanism (4) comprises a fixed component (41) and an adjusting component (42), the adjusting component (42) is arranged at the end part of the fixed component (41), a cooling circulation mechanism (5) is arranged in the fixed shell (2) and the core (3), the cooling circulation mechanism (5) comprises a cooling circulation component (51), a connecting part (52) and a control component (53), the connecting part (52) and the control component (53) are both arranged in the middle part of the cooling circulation component (51), and the connecting part (52) is positioned between the fixed shell (2) and the core (3), the control component (53) is positioned in the fixed shell (2);
the cooling circulation component (51) comprises a first mounting groove, a second mounting groove, a first mounting block (511) and a second mounting block (512), the first mounting groove and the second mounting groove are respectively arranged in the fixed shell (2) and the core (3), the first mounting block (511) and the second mounting block (512) are respectively arranged in the first mounting groove and the second mounting groove, a plurality of connecting blocks for connecting the first mounting block (511) and the second mounting groove are respectively arranged between the side walls of the first mounting groove and the second mounting groove, a first inlet channel (514) is formed between the side walls of the first mounting groove and the first mounting groove, a second inlet channel (515) is formed between the side walls of the second mounting groove and the second mounting groove, and the first inlet channel (514) and the second inlet channel (515) are connected through a connecting part (52), the middle parts of the first mounting block (511) and the second mounting block (512) are respectively provided with a first discharge channel (516) and a second discharge channel (517), the first discharge channel (516) and the second discharge channel (517) are connected through a connecting part (52), the fixed shell (2) is provided with a first connecting head (518) communicated with the first inlet channel (514) and a second connecting head (519) communicated with the first discharge channel (516), and one end of the second discharge channel (517) is communicated with one end of the second inlet channel (515);
the cooling liquid enters the second inlet channel (515) from the first inlet channel (514), enters the front end of the core 3 along the second inlet channel (515), enters the second discharge channel (517), enters the first discharge channel (516) from the second discharge channel (517) and is finally discharged from the second connector (519);
a heat insulation and temperature reduction assembly (6) is arranged in the mold core (3), the heat insulation and temperature reduction assembly (6) comprises a heat insulation layer (61), and the heat insulation layer (61) is arranged between the second inlet channel (515) and the second outlet channel (517);
the method is characterized in that: the heat insulation and temperature reduction assembly (6) further comprises a heat insulation cavity (62) and a temperature reduction pipeline (63), the heat insulation cavity (62) is arranged between the second inlet channel (515) and the second outlet channel (517), a heat insulation layer (61) surrounds the outside of the heat insulation cavity (62), and the temperature reduction pipeline (63) is arranged in the heat insulation cavity (62); the cooling device is characterized in that two insertion grooves are formed in the fixed shell (2), the two insertion grooves are respectively in insertion fit with two ends of a cooling pipeline (63), a third sealing ring (526) is arranged at the bottom of each insertion groove, a water inlet pipeline (527) and a water drainage pipeline (528) are arranged in the fixed shell (2), one ends of the water inlet pipeline (527) and the water drainage pipeline (528) are respectively connected with the third sealing rings (526) in the two insertion grooves, and the other ends of the water inlet pipeline (527) and the water drainage pipeline (528) extend to the outside of the fixed shell (2); the cooling pipeline (63) is filled with low-temperature cooling water, so that the discharged high-temperature cooling liquid can be cooled.
2. The die casting die core-pulling cooling device of claim 1, characterized in that: the connecting part (52) comprises a connecting plug (521) and an annular lug (522), the connecting plug (521) is arranged at the end part of the core (3), the middle part of the connecting plug (521) is of a hollow structure and is communicated with the second discharge channel (517), the cross section of the connecting plug (521) is of a trapezoidal structure, the end part of the fixed shell (2) is provided with a connecting groove matched with the connecting plug (521), the connecting groove is communicated with the first discharge channel (516), the annular convex block (522) is arranged at the end part of the fixed shell (2), the cross section of the annular convex block (522) is in a trapezoidal structure, the end part of the mold core (3) is provided with an annular clamping groove matched with the annular convex block (522), the middle part of the annular lug (522) is provided with an annular through hole (524) for communicating the first inlet channel (514) and the second inlet channel (515).
3. The die casting die core-pulling cooling device of claim 2, characterized in that: and a first sealing ring (7) is arranged between the connecting plug (521) and the side wall of the connecting groove, and second sealing rings (8) are arranged between the side walls of the two sides of the annular clamping groove and the two sides of the annular convex block (522).
4. The die casting die core-pulling cooling device of claim 1, characterized in that: fixed subassembly (41) include first solid fixed ring (411), the solid fixed ring of second (412) and fixed cover (413), the outside at set casing (2) is established to first solid fixed ring (411) cover, the outside at core (3) is established to the solid fixed ring of second (412), the outside at the solid fixed ring of first solid fixed ring (411) and second (412) is established to fixed cover (413), the one end of fixed cover (413) is equipped with spacing protruding edge (414), the other end of fixed cover (413) is provided with a plurality of and its threaded connection's fixed screw (415).
5. The die casting die core-pulling cooling device of claim 4, characterized in that: adjusting part (42) includes regulating block (421), the grafting of regulating block (421) is in the one end of fixed cover (413), and the one end of regulating block (421) be equipped with spacing protruding block (422) along (414) block, block (422) rotate with regulating block (421) and are connected, the middle part of regulating block (421) is equipped with the regulation screw thread, the inside wall screw-thread fit of regulation screw thread and spacing protruding edge (414).
6. The die casting die core-pulling cooling device of claim 1, characterized in that: the control assembly (53) comprises a control cavity (531), the control cavity (531) surrounds the first discharge channel (516), a control piston (532) and a control spring (533) are arranged in the control cavity (531), two ends of the control spring (533) are respectively connected with the control piston (532) and the fixed shell (2), and the end part of the control cavity (531) and the middle part of the control cavity (531) are communicated with the first inlet channel (514).
7. The die casting die core-pulling cooling device of claim 1, characterized in that: the moving mechanism (1) comprises a moving track (11), a moving block (12) and a moving hydraulic rod (13), the moving block (12) is installed on the moving track (11) and is in interaction fit with the moving track (11), the moving hydraulic rod (13) is installed at the end portion of the moving track (11), the output end of the moving hydraulic rod (13) is fixedly connected with one end of the moving block (12), and the fixed shell (2) is fixedly connected with the upper end of the moving block (12).
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| CN201910686030.5A CN110252996B (en) | 2019-07-28 | 2019-07-28 | Core-pulling cooling device of die-casting die |
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| CN201910686030.5A CN110252996B (en) | 2019-07-28 | 2019-07-28 | Core-pulling cooling device of die-casting die |
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| CN110252996A CN110252996A (en) | 2019-09-20 |
| CN110252996B true CN110252996B (en) | 2021-07-06 |
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| CN116900273B (en) * | 2023-09-13 | 2023-12-22 | 绵阳市军豪科技开发有限公司 | Forming die and forming method for die casting with multiple concave cavities and fins |
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| CN110252996A (en) | 2019-09-20 |
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Effective date of registration: 20210622 Address after: 523751 Room 101, building 1, 21 diaolanghong Shenger street, Huangjiang Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN MEICHUANGXIN PRECISION DIE CASTING Co.,Ltd. Address before: 239200 Building 1, 177 North Street, Xin'an Town, Lai'an county, Chuzhou City, Anhui Province Applicant before: Zheng Yunlong |
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