CN112338158B - Semi-solid pulping method and semi-solid pulping device - Google Patents
Semi-solid pulping method and semi-solid pulping device Download PDFInfo
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- CN112338158B CN112338158B CN201910721426.9A CN201910721426A CN112338158B CN 112338158 B CN112338158 B CN 112338158B CN 201910721426 A CN201910721426 A CN 201910721426A CN 112338158 B CN112338158 B CN 112338158B
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- 239000007787 solid Substances 0.000 title claims abstract description 28
- 238000004537 pulping Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 110
- 239000002184 metal Substances 0.000 claims abstract description 110
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000011261 inert gas Substances 0.000 claims abstract description 34
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 103
- 238000004512 die casting Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Abstract
The invention relates to a semi-solid pulping method and a semi-solid pulping device. The method comprises the following steps: the ladle is filled with molten metal in the heat preservation furnace; filling inert gas into the molten metal in the ladle in a high-temperature area of the holding furnace, or filling inert gas into the molten metal in the ladle in the moving process of the ladle; and cooling the molten metal filled with the inert gas, and simultaneously vibrating and insulating the molten metal. The device comprises: the heat preservation furnace is used for preserving the heat of the molten metal; a ladle for holding molten metal; the conveying device is used for conveying the material spoon and driving the material spoon to charge or pour; the air blowing device is used for filling inert gas into the molten metal in the ladle; the vibration machine seat is used for vibrating and preserving the metal liquid filled with inert gas, and the heat preservation temperature of the vibration machine seat 900 is lower than that of the heat preservation furnace. The method and the device have the advantages of improving the quality of the molten metal and preventing the temperature of the molten metal from being too high or too low.
Description
Technical Field
The invention relates to the field of die casting, in particular to a semi-solid pulping method and a semi-solid pulping device.
Background
At present, the known die casting process is high-temperature material filling injection molding, aluminum ingots are melted by a large melting furnace, molten metal is refined and then sent to a machine side holding furnace, the holding furnace holds the temperature of the aluminum ingots to about 650 ℃, and a robot material spoon is used for sending the molten metal to an injection pipeline for die casting during die casting production. Under the existing process, the high-temperature aluminum material is easy to oxidize, impurity slag inclusion is formed, the molding quality of the product is affected, and the product needs to be manually cleaned, so that the labor and time are consumed. In addition, the high temperature of the aluminum material can also cause certain influence on the molding of the thin-wall product, and the defects of easy burn and the like are caused; the aluminum material is low in temperature and can be directly solidified, so that normal production cannot be performed.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a semi-solid pulping method and a semi-solid pulping apparatus, which have advantages of improving the quality of molten metal and preventing the temperature of the molten metal from being too high or too low.
A semi-solid pulping process comprising:
the ladle is filled with molten metal in the heat preservation furnace;
filling inert gas into the molten metal in the ladle in a high-temperature area of the holding furnace, or filling inert gas into the molten metal in the ladle in the moving process of the ladle;
And (3) carrying out natural cooling treatment on the molten metal filled with the inert gas, and simultaneously carrying out vibration and heat preservation treatment on the molten metal.
Compared with the prior art, the semi-solid pulping method disclosed by the invention has the advantages that inert gas is filled into the molten metal at the height Wen Naqiang of the holding furnace, so that on one hand, the oxygen content of the molten metal is reduced to improve the quality of the molten metal, and on the other hand, the method is helpful for avoiding the rapid temperature drop of the molten metal. Then, the molten metal is vibrated in a heat preservation environment, on one hand, the temperature of the molten metal can be reduced to a temperature suitable for die casting, so that the molten metal is prevented from being too high or too low in temperature, on the other hand, the molten metal is prevented from being solidified, the mixing state of the molten metal is improved, and the temperature uniformity of the molten metal is ensured.
Further, the temperature of the molten metal after the inert gas is filled is maintained in a range of 600 degrees celsius to 620 degrees celsius.
Further, in the process of carrying out vibration treatment on the molten metal in the ladle, inert gas is filled into the molten metal in the ladle.
Further, adopt vibrations frame to vibrate and heat treatment the material spoon, vibrations frame includes base, vibrating motor, eccentric wheel, the top surface of base is equipped with the confession the recess of placing that the material spoon was placed, the outside of placing the recess is equipped with the electromagnetic induction coil that is used for heating the molten metal, vibrating motor sets up on the base, vibrating motor's output shaft fixed connection the eccentric wheel.
Further, a handling device is used for handling molten metal, and the handling device comprises: the clamping mechanism is used for clamping the material spoon;
The rotating mechanism is used for driving the clamping mechanism to rotate so as to enable the spoon to charge or pour;
A longitudinal movement mechanism for driving the rotation mechanism to move longitudinally to lift the spoon;
The transverse movement mechanism is used for driving the longitudinal movement mechanism to transversely move so that the spoon passes through the holding furnace, the placement groove and the position to be injected.
Further, a handle is arranged on the material spoon, and a first jack and a second jack are arranged on the handle;
the transverse movement mechanism comprises a frame, a transverse base, a first motor, a first gear and a first rack, wherein the first motor is arranged on the transverse base, the first gear is fixedly connected with an output shaft of the first motor, the first rack is arranged on the frame, and the first gear is meshed with the first rack to drive the transverse base to horizontally move on the frame;
The longitudinal movement mechanism comprises a longitudinal base, a second motor, a second gear and a second rack, the second motor is arranged on the transverse base, the second gear is fixedly connected with an output shaft of the second motor, the second rack is arranged on the longitudinal base, and the second gear is meshed with the second rack to drive the longitudinal base to vertically move on the transverse base;
the rotating mechanism comprises a third motor and a rotating machine seat, the third motor is arranged on the longitudinal machine seat, and an output shaft of the third motor is fixedly connected with the rotating machine seat;
The clamping mechanism comprises a double-head cylinder and two clamping pieces, wherein the double-head cylinder is arranged on a rotary machine base, the two clamping pieces are respectively arranged on two telescopic rods of the double-head cylinder, and the clamping pieces are provided with a first plug-in component matched with the first jack and a second plug-in component matched with the second jack.
Further, an air blowing device is adopted to charge inert gas into the molten metal in the ladle, and comprises an air pipe extending into the ladle and a lifting mechanism which is arranged on the longitudinal movement mechanism and used for driving the air pipe to extend into the ladle.
Further, the lifting mechanism comprises a linear cylinder, a sliding rail and a sliding block, the linear cylinder is arranged on the longitudinal movement mechanism, the sliding rail is arranged on the longitudinal movement mechanism, the sliding block is arranged on a telescopic rod of the linear cylinder, the sliding block slides on the sliding rail, and the air pipe is arranged on the sliding block.
In addition, the invention also provides a semi-solid pulping device, which comprises:
The heat preservation furnace is used for preserving the heat of the molten metal;
a ladle for holding molten metal;
the conveying device is used for conveying the material spoon and driving the material spoon to charge or pour;
The air blowing device is used for filling inert gas into the molten metal in the ladle;
The vibration machine seat is used for vibrating and preserving the metal liquid filled with inert gas, and the heat preservation temperature of the vibration machine seat 900 is lower than that of the heat preservation furnace.
Compared with the prior art, the semi-solid pulping device adopts the conveying device to convey the metal liquid, so that the production safety is improved. Inert gas is filled into the molten metal through the air blowing device, so that solidification of the molten metal in the transportation process is avoided, and the quality of the molten metal can be improved. The metal liquid is cooled through the vibration machine seat, so that the solidification of the metal liquid is prevented, the mixing state of the metal liquid is improved, and the temperature uniformity of the metal liquid is ensured. Meanwhile, the vibration machine base carries out heat preservation treatment on the molten metal, so that the molten metal is prevented from being too high or too low in temperature.
Further, the die casting machine with a material injection port is also included;
the spoon is provided with a handle, and the handle is provided with a first jack and a second jack;
The carrying device comprises a clamping mechanism, a rotating mechanism, a longitudinal moving mechanism and a transverse moving mechanism, wherein the clamping mechanism is used for clamping the ladle, the rotating mechanism is used for driving the clamping mechanism to rotate so as to enable the ladle to be filled or poured, the longitudinal moving mechanism is used for driving the rotating mechanism to longitudinally move so as to lift the ladle, and the transverse moving mechanism is used for driving the longitudinal moving mechanism to transversely move so as to enable the ladle to pass through the heat preservation furnace, the vibration base and the die casting machine;
the transverse movement mechanism comprises a frame, a transverse base, a first motor, a first gear and a first rack, wherein the first motor is arranged on the transverse base, the first gear is fixedly connected with an output shaft of the first motor, the first rack is arranged on the frame, and the first gear is meshed with the first rack to drive the transverse base to horizontally move on the frame;
The frame is provided with a cross beam, the cross beam extends from the frame to the die casting machine, and the first rack is arranged on the cross beam;
The longitudinal movement mechanism comprises a longitudinal base, a second motor, a second gear and a second rack, the second motor is arranged on the transverse base, the second gear is fixedly connected with an output shaft of the second motor, the second rack is arranged on the longitudinal base, and the second gear is meshed with the second rack to drive the longitudinal base to vertically move on the transverse base;
the rotating mechanism comprises a third motor and a rotating machine seat, the third motor is arranged on the longitudinal machine seat, and an output shaft of the third motor is fixedly connected with the rotating machine seat;
The clamping mechanism comprises a double-head cylinder and two clamping pieces, the double-head cylinder is arranged on the rotary machine base, the two clamping pieces are respectively arranged on two telescopic rods of the double-head cylinder, and the clamping pieces are provided with a first plug-in unit matched with the first jack and a second plug-in unit matched with the second jack;
The air blowing device comprises an air pipe extending into the material spoon and a lifting mechanism which is arranged on the longitudinal base and used for driving the air pipe to extend into the material spoon;
The lifting mechanism comprises a linear cylinder, a sliding rail and a sliding block, wherein the linear cylinder is arranged on the longitudinal base, the telescopic direction of the linear cylinder is the same as the moving direction of the longitudinal base, the sliding rail is arranged on the longitudinal base, the sliding block is arranged on a telescopic rod of the linear cylinder, the sliding block slides on the sliding rail, and the air pipe is arranged on the sliding block;
The vibration machine seat comprises a base, a vibration motor and an eccentric wheel, wherein the top surface of the base is provided with a placement groove for placing the material spoon, the outer side of the placement groove is provided with an electromagnetic induction coil for heating molten metal, the vibration motor is arranged on the base, and an output shaft of the vibration motor is fixedly connected with the eccentric wheel.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a schematic structural view of a semi-solid pulping device according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of a structure of a ladle according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a vibration stand 900 according to an embodiment of the present invention;
description of the drawings:
100. A die casting machine; 110. a material injection port; 200. a holding furnace; 300. a material spoon; 310. a handle; 311. a first jack; 311. a second jack; 400. a lateral movement mechanism; 410. a frame; 411. a cross beam; 420. a transverse stand; 430. a first motor; 500. a longitudinal movement mechanism; 510. a longitudinal stand; 520. a second motor; 600. a rotation mechanism; 610. a third motor; 620. rotating the machine base; 700. a clamping mechanism; 710. a double-headed cylinder; 720. a clamping member; 721. a first plug-in; 722. a second plug-in; 800. an air blowing device; 810. an air pipe; 820. a lifting mechanism; 821. a straight line cylinder; 822. a slide rail; 823. a slide block; 900. vibrating the machine base; 910. a base; 911. placing the groove; 912. an electromagnetic induction coil; 920. a vibration motor; 930. an eccentric wheel.
Detailed Description
The present embodiment provides a semi-solid pulping device, referring to fig. 1, which includes a die casting machine 100 with a material injection port 110, a holding furnace 200, a material spoon 300, a carrying device, a blowing device 800, and a vibration stand 900. The holding furnace 200 is used for holding molten metal. The ladle 300 is used for holding molten metal. The handling device is used for handling the spoon 300 and driving the spoon 300 to charge or pour. The blowing device 800 is used to charge inert gas into the molten metal in the ladle 300. The vibration machine seat 900 is used for vibrating and preserving the metal liquid filled with inert gas, and the preserving temperature of the vibration machine seat 900 is lower than that of the preserving furnace 200.
Wherein, the carrying device carries the ladle 300 into the holding furnace 200 and drives the ladle 300 to rotate so as to charge molten metal; then, the ladle 300 moves to the inner cavity of the holding furnace 200 to leave the molten metal of the holding furnace 200, and when the ladle 300 leaves the molten metal of the holding furnace 200, the air blowing device 800 fills inert gas into the molten metal in the ladle 300, so that on one hand, the oxygen content of the molten metal is reduced, the quality of the molten metal is improved, on the other hand, the temperature of the molten metal can be reduced, and the cooling speed of the molten metal is slower, thereby being convenient for controlling the temperature of the molten metal; after the charging is carried for a period of time, the carrying device carries the ladle 300 onto the vibration machine seat 900, the vibration machine seat 900 vibrates the ladle 300 and carries out heat preservation treatment, during the natural cooling of molten metal, the molten metal is prevented from being solidified by vibrating, the mixing state of the molten metal is improved, the temperature uniformity of the molten metal is ensured, and the molten metal reaches a medium solid phase; finally, the carrying device carries the ladle 300 to the injection port 110 of the die casting machine 100, and drives the ladle 300 to rotate so as to pour molten metal into the injection port 110.
Referring to fig. 1,2 and 3, the material spoon 300 is made of a material with high temperature resistance and good heat conduction performance, and the material spoon 300 is barrel-shaped. In order to facilitate the handling device to grasp the scoop 300, a handle 310 is fixed to the outer side of the scoop 300. The top and bottom surfaces of the handle 310 are planar and parallel to the open face of the scoop 300. In order to prevent the spoon 300 from being easily separated from the carrying device, the handle 310 is provided with a first insertion hole 311 and a second insertion hole 311, so long as the first insertion hole 311 and the second insertion hole 311 are in the same depth direction and are offset from each other, in this embodiment, the first insertion hole 311 penetrates from the top surface of the handle 310 to the bottom surface of the handle 310, and the second insertion hole 311 also penetrates from the top surface of the handle 310 to the bottom surface of the handle 310.
Referring to fig. 1, 2 and 4, the handling device includes a gripping mechanism 700, a rotating mechanism 600, a longitudinal movement mechanism 500 and a transverse movement mechanism 400. The holding mechanism 700 is used to hold the scoop 300. The rotation mechanism 600 is used to drive the holding mechanism 700 to rotate to charge or pour the scoop 300. The longitudinal movement mechanism 500 is used to drive the rotation mechanism 600 to move longitudinally to raise and lower the scoop 300. The transverse movement mechanism 400 is used for driving the longitudinal movement mechanism 500 to transversely move so that the ladle 300 passes through the holding furnace 200, the vibration stand 900 and the die casting machine 100.
Specifically, the lateral movement mechanism 400 includes a frame 410, a lateral frame 420, a first motor 430, a first gear (not shown), and a first rack (not shown). The frame 410 is provided with a cross beam 411, the cross beam 411 extends from the frame 410 to the die casting machine 100, and the extending direction of the cross beam 411 is approximately the same as the connection line of the furnace mouth of the holding furnace 200, the position of the vibration machine seat 900 for placing the ladle 300, and the injection port 110 of the die casting machine 100. The transverse frame 420 is slidably disposed on the cross beam 411, and the moving direction of the transverse frame 420 is the same as the extending direction of the cross beam 411. The first motor 430 is fixedly mounted on the transverse housing 420. The first gear is fixedly mounted on the output shaft of the first motor 430. The first rack is fixedly mounted on the cross beam 411, and the length direction of the first rack is the same as the extending direction of the cross beam 411. The first gear is driven to rotate by the first motor 430, and the first gear is engaged with the first rack to drive the transverse frame 420 to move on the cross member 411.
Specifically, the longitudinal movement mechanism 500 includes a longitudinal frame 510, a second motor 520, a second gear (not shown), and a second rack (not shown). The longitudinal frame 510 is slidably disposed on the transverse frame 420, and the longitudinal frame 510 moves on the cross beam 411 along with the movement of the transverse frame 420, and the movement direction of the longitudinal frame 510 on the transverse frame 420 is perpendicular to the movement direction of the transverse frame 420 on the cross beam 411. The second motor 520 is fixedly mounted on the transverse housing 420. The second gear is fixedly mounted on the output shaft of the second motor 520. The second rack is fixedly installed on the longitudinal frame 510, and the length direction of the second rack is the same as the moving direction of the longitudinal frame 510. The second gear is driven to rotate by the second motor 520, and the second gear is engaged with the second rack to drive the longitudinal frame 510 to vertically move up and down on the transverse frame 420.
Specifically, the rotation mechanism 600 includes a third motor 610 and a rotation housing 620. The third motor 610 is fixedly installed at one side of the longitudinal frame 510, and an output shaft of the third motor 610 passes through the longitudinal frame 510. The rotary housing 620 is disposed at the other side of the longitudinal housing 510, and the rotary housing 620 is fixedly mounted on an output shaft of the third motor 610, and the rotary housing 620 is driven to rotate by the third motor 610.
Specifically, the clamping mechanism 700 includes a double-headed cylinder 710, two clamping members 720. The double-headed cylinder 710 is fixedly mounted on a surface of the rotary housing 620 away from the longitudinal housing 510, and the telescopic direction of the telescopic rod of the double-headed cylinder 710 is the same as the moving direction of the longitudinal housing 510. The two clamping members 720 are respectively mounted on the two telescopic rods of the double-headed cylinder 710, and when the clamping mechanism 700 grabs the material spoon 300, the two clamping members 720 respectively press the top surface and the bottom surface of the handle 310 to clamp the handle 310. The holder 720 is provided with a first plug 721 to be fitted into the first insertion hole 311 and a second plug 722 to be fitted into the second insertion hole 311. In this embodiment, the surfaces of the clamping member 720 pressing against the handle 310 are provided with the first insert 721 and the second insert 722, and the first insert 721 and the second insert 722 are hemispherical protrusions, so that the clamping mechanism 700 can be more firmly gripped on the one hand, and the first insert 721 can be conveniently inserted into the first insertion hole 311 and the second insert 722 can be conveniently inserted into the second insertion hole 311 on the other hand.
Referring to fig. 1 and 2, the air blowing device 800 includes an air pipe 810 and a lifting mechanism 820. Wherein the air pipe 810 is used for extending into the ladle 300 and filling inert gas into molten metal in the ladle 300, and the lifting mechanism 820 is used for driving the air cylinder to extend into or extend out of the ladle 300. Specifically, the lifting mechanism 820 includes a linear cylinder 821, a slide rail 822, and a slider 823. The linear cylinder 821 is fixedly installed on the longitudinal base 510, the linear cylinder 821 is located at one side of the rotating mechanism 600, and the telescopic direction of the telescopic rod of the linear cylinder 821 is the same as the sliding direction of the longitudinal base. The sliding rail 822 is fixedly installed on the longitudinal base 510, the sliding rail 822 is located in front of the movement of the telescopic rod of the linear cylinder 821, a T-shaped groove is formed in the sliding rail 822, and the guiding direction of the sliding rail 822 is the same as the telescopic direction of the telescopic rod of the linear cylinder 821. The sliding block 823 is fixedly arranged at the end part of the telescopic rod of the linear air cylinder 821, the sliding block 823 is matched with the T-shaped groove to slide on the sliding rail 822, and the sliding direction of the sliding block 823 is the same as the telescopic direction of the telescopic rod of the linear air cylinder 821. The air tube 810 is mounted on the slider 823. The air tube 810 moves vertically up and down with the movement of the slider 823, so that the air tube 810 can extend into or out of the scoop 300. And, during the process of extending the air pipe 810 into or out of the ladle 300, the air pipe 810 is prevented from rotating around the axis of the telescopic rod of the linear cylinder 821 by the cooperation of the slide 823 and the slide rail 822.
Referring to fig. 1,2 and 5, the vibration stand 900 includes a base 910, a vibration motor 920, and an eccentric 930. The top surface of the base 910 is provided with a placement groove 911 in which the feeding ladle 300 is placed, and an electromagnetic induction coil 912 for heating molten metal is wound around the circumferential side of the placement groove 911. The vibration motor 920 is fixedly installed at the bottom of the base 910, and the vibration motor 920 is adjacent to the placement groove 911. Eccentric 930 is fixedly mounted on the output shaft of vibration motor 920. The eccentric 930 is driven to rotate by the vibration motor 920, so that the base 910 vibrates, and the spoon 300 is vibrated. During vibration, the ladle 300 is heated by the electromagnetic coil 912 to keep the molten metal in the ladle 300 warm.
The working process of the semi-solid pulping device comprises the following steps: firstly, the transverse movement mechanism 400 moves the ladle 300 to the position right above the mouth of the holding furnace 200, the longitudinal movement mechanism 500 vertically stretches the ladle 300 into the inner cavity of the holding furnace 200, the rotation mechanism 600 drives the ladle 300 to rotate, the ladle 300 takes the action of scooping molten metal, and the ladle 300 is filled with molten metal; then, the longitudinal movement mechanism 500 vertically extends the ladle 300 out of the inner cavity of the holding furnace 200, the transverse movement mechanism 400 horizontally moves the ladle 300 to the position right above the placing groove 911 of the vibration machine seat 900, the longitudinal movement mechanism 500 vertically places the ladle 300 into the placing groove 911, and the vibration machine seat 900 vibrates and holds the ladle 300; finally, the longitudinal movement mechanism 500 vertically moves the ladle 300 away from the placement groove 911, the transverse movement mechanism 400 horizontally moves the ladle 300 to a position right above the injection port 110 of the die casting machine 100, the longitudinal movement mechanism 500 vertically lowers the ladle 300 and approaches the injection port 110, the rotation mechanism 600 drives the ladle 300 to rotate, the ladle 300 pours molten metal into the injection port 110, and the die casting machine 100 pours molten metal; in the above process, the air pipe 810 may be extended into the ladle 300 by the straight air cylinder 821, and the inert gas may be blown into the molten metal in the ladle 300 by the air pipe 810.
In addition, the embodiment also provides a semi-solid pulping method, which comprises the following steps:
S01, loading the ladle 300 into the holding furnace 200, wherein the ladle 300 can be manually fed into the holding furnace 200 and scooped up, or the ladle 300 can be fed into the holding furnace 200 and scooped up by a manipulator, wherein the molten metal can be aluminum alloy, magnesium alloy, pure aluminum, pure magnesium, aluminum-based composite material, magnesium-based composite material or the like, and in the embodiment, the molten metal is aluminum;
S02, filling inert gas, namely nitrogen, into the molten metal in the ladle 300 in a high-temperature area of the heat preservation furnace 200, wherein the high-temperature area can be an area which is positioned above the liquid level of the molten metal in the heat preservation furnace 200 and can be an area at an opening of the heat preservation furnace 200, and in the embodiment, the high-temperature area is an area which is positioned above the liquid level of the molten metal in the heat preservation furnace 200;
s03, carrying the ladle 300 to a cooling area by a manual or mechanical arm, wherein the ambient temperature of the cooling area is lower than that of a high-temperature area in the holding furnace 200, and the ambient temperature of the cooling area is lower than or equal to the required semi-solid metal liquid temperature;
S04, carrying out natural cooling treatment on the metal liquid filled with the inert gas in a cooling area, wherein the natural cooling treatment is to place the metal liquid in the cooling area, cool the metal liquid through air in the cooling area, and simultaneously vibrate and heat-preserving the metal liquid during the natural cooling period, and keep the temperature of the metal liquid filled with the inert gas within a range of 600-620 ℃, and in addition, a small amount of inert gas can be filled into the metal liquid during the vibration period;
s05, pouring molten metal with proper temperature into a material injection port 110 of the die casting machine 100;
s06, filling inert gas, which is nitrogen, into the molten metal in the ladle 300 during the movement of the ladle 300 in the steps S01 to S05.
Wherein, in steps S01 to S06, the ladle 300 is controlled by the handling device of the semi-solid pulping device according to the embodiment; in steps S02 and S06, inert gas is filled into the molten metal through the air blowing device 800 of the semi-solid pulping device according to the embodiment; in step S04, the cooling area is a placement groove 911 of the vibration stand 900, and the vibration stand 900 of the semi-solid pulping device is used for performing vibration and heat preservation treatment on the molten metal.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. A semi-solid pulping process, comprising:
the ladle (300) is filled with molten metal in the holding furnace (200);
filling inert gas into the molten metal in the ladle (300) in a high-temperature area of the holding furnace (200), or filling inert gas into the molten metal in the ladle (300) in the moving process of the ladle (300);
Cooling the molten metal filled with inert gas, and vibrating and insulating the molten metal;
Filling inert gas into the molten metal in the ladle (300) in the process of carrying out vibration treatment on the molten metal in the ladle (300);
Adopt vibrations frame (900) to vibrate and heat treatment in ladle (300), vibrations frame (900) are including base (910), vibrating motor (920), eccentric wheel (930), the top surface of base (910) is equipped with supplies place recess (911) that ladle (300) placed, the outside of placing recess (911) is equipped with electromagnetic induction coil (912) that are used for heating the molten metal, vibrating motor (920) set up on base (910), the output shaft fixed connection of vibrating motor (920) eccentric wheel (930);
carrying molten metal by a carrying device, the carrying device comprising:
-a clamping mechanism (700) for clamping the scoop (300);
A rotation mechanism (600) for driving the clamping mechanism (700) to rotate to charge or pour the spoon (300);
A longitudinal movement mechanism (500) for driving the rotation mechanism (600) to move longitudinally to lift the scoop (300);
the transverse movement mechanism (400) is used for driving the longitudinal movement mechanism (500) to transversely move so that the ladle (300) passes through the holding furnace (200), the placing groove (911) and a position to be injected;
A handle (310) is arranged on the material spoon (300), and a first jack and a second jack are arranged on the handle (310);
The transverse movement mechanism (400) comprises a frame (410), a transverse base (420), a first motor (430), a first gear and a first rack, wherein the first motor (430) is arranged on the transverse base (420), the first gear is fixedly connected with an output shaft of the first motor (430), the first rack is arranged on the frame (410), and the first gear is meshed with the first rack to drive the transverse base (420) to horizontally move on the frame (410);
The longitudinal movement mechanism (500) comprises a longitudinal base (510), a second motor (520), a second gear and a second rack, wherein the second motor (520) is arranged on the transverse base (420), the second gear is fixedly connected with an output shaft of the second motor (520), the second rack is arranged on the longitudinal base (510), and the second gear is meshed with the second rack to drive the longitudinal base (510) to vertically move on the transverse base (420);
The rotating mechanism (600) comprises a third motor (610) and a rotating base (620), the third motor (610) is arranged on the longitudinal base (510), and an output shaft of the third motor (610) is fixedly connected with the rotating base (620);
The clamping mechanism (700) comprises a double-head air cylinder (710) and two clamping pieces (720), wherein the double-head air cylinder (710) is arranged on a rotary base (620), the two clamping pieces (720) are respectively arranged on two telescopic rods of the double-head air cylinder (710), and the clamping pieces (720) are provided with a first plug-in unit (721) matched with the first jack and a second plug-in unit (722) matched with the second jack;
the air blowing device (800) is used for filling inert gas into molten metal in the ladle (300), and the air blowing device (800) comprises an air pipe (810) extending into the ladle (300) and a lifting mechanism (820) which is arranged on the longitudinal movement mechanism (500) and used for driving the air pipe (810) to extend into the ladle (300).
2. A semi-solid pulping process according to claim 1, characterized in that: the temperature of the molten metal after being filled with the inert gas is maintained in the range of 600 to 620 degrees celsius.
3. A semi-solid pulping process according to claim 2, characterized in that: the lifting mechanism (820) comprises a linear air cylinder (821), a sliding rail (822) and a sliding block (823), wherein the linear air cylinder (821) is arranged on the longitudinal movement mechanism (500), the sliding rail (822) is arranged on the longitudinal movement mechanism (500), the sliding block (823) is arranged on a telescopic rod of the linear air cylinder (821), the sliding block (823) slides on the sliding rail (822), and the air pipe (810) is arranged on the sliding block (823).
4. A semi-solid pulping apparatus for use in the semi-solid pulping method of any of claims 1-3, characterized in that the semi-solid pulping apparatus comprises:
A holding furnace (200) for holding molten metal;
a ladle (300) for holding molten metal;
handling means for handling the scoop (300) and driving the scoop (300) to charge or to pour;
The blowing device (800) is used for filling inert gas into the molten metal in the ladle (300);
The vibration machine seat (900) is used for vibrating and preserving the metal liquid filled with inert gas, and the preserving temperature of the vibration machine seat (900) is lower than that of the preserving furnace (200);
the die casting machine (100) is provided with a material injection port (110);
A handle (310) is arranged on the material spoon (300), and a first jack and a second jack are arranged on the handle (310);
The carrying device comprises a clamping mechanism (700), a rotating mechanism (600), a longitudinal moving mechanism (500) and a transverse moving mechanism (400), wherein the clamping mechanism (700) is used for clamping the material spoon (300), the rotating mechanism (600) is used for driving the clamping mechanism (700) to rotate so as to enable the material spoon (300) to charge or pour, the longitudinal moving mechanism (500) is used for driving the rotating mechanism (600) to longitudinally move so as to lift the material spoon (300), and the transverse moving mechanism (400) is used for driving the longitudinal moving mechanism (500) to transversely move so as to enable the material spoon (300) to pass through the heat preservation furnace (200), the vibration machine seat (900) and the die casting machine (100);
The transverse movement mechanism (400) comprises a frame (410), a transverse base (420), a first motor (430), a first gear and a first rack, wherein the first motor (430) is arranged on the transverse base (420), the first gear is fixedly connected with an output shaft of the first motor (430), the first rack is arranged on the frame (410), and the first gear is meshed with the first rack to drive the transverse base (420) to horizontally move on the frame (410);
a cross beam (411) is arranged on the frame (410), the cross beam (411) extends from the frame (410) to the die casting machine (100), and the first rack is arranged on the cross beam (411);
The longitudinal movement mechanism (500) comprises a longitudinal base (510), a second motor (520), a second gear and a second rack, wherein the second motor (520) is arranged on the transverse base (420), the second gear is fixedly connected with an output shaft of the second motor (520), the second rack is arranged on the longitudinal base (510), and the second gear is meshed with the second rack to drive the longitudinal base (510) to vertically move on the transverse base (420);
The rotating mechanism (600) comprises a third motor (610) and a rotating base (620), the third motor (610) is arranged on the longitudinal base (510), and an output shaft of the third motor (610) is fixedly connected with the rotating base (620);
The clamping mechanism (700) comprises a double-head air cylinder (710) and two clamping pieces (720), wherein the double-head air cylinder (710) is arranged on a rotary base (620), the two clamping pieces (720) are respectively arranged on two telescopic rods of the double-head air cylinder (710), and the clamping pieces (720) are provided with a first plug-in unit (721) matched with the first jack and a second plug-in unit (722) matched with the second jack;
The air blowing device (800) comprises an air pipe (810) extending into the material spoon (300), and a lifting mechanism (820) which is arranged on the longitudinal base (510) and is used for driving the air pipe (810) to extend into the material spoon (300);
The lifting mechanism (820) comprises a linear air cylinder (821), a sliding rail (822) and a sliding block (823), wherein the linear air cylinder (821) is arranged on the longitudinal base (510), the extending and contracting direction of the linear air cylinder (821) is the same as the moving direction of the longitudinal base (510), the sliding rail (822) is arranged on the longitudinal base (510), the sliding block (823) is arranged on a telescopic rod of the linear air cylinder (821), the sliding block (823) slides on the sliding rail (822), and the air pipe (810) is arranged on the sliding block (823);
The vibration machine seat (900) comprises a base (910), a vibration motor (920) and an eccentric wheel (930), wherein a placement groove (911) for placing the material spoon (300) is formed in the top surface of the base (910), an electromagnetic induction coil (912) for heating molten metal is arranged outside the placement groove (911), the vibration motor (920) is arranged on the base (910), and an output shaft of the vibration motor (920) is fixedly connected with the eccentric wheel (930).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721426.9A CN112338158B (en) | 2019-08-06 | Semi-solid pulping method and semi-solid pulping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721426.9A CN112338158B (en) | 2019-08-06 | Semi-solid pulping method and semi-solid pulping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112338158A CN112338158A (en) | 2021-02-09 |
| CN112338158B true CN112338158B (en) | 2024-07-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210817382U (en) * | 2019-08-06 | 2020-06-23 | 广东鸿特精密技术（台山）有限公司 | Semi-solid pulping device |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210817382U (en) * | 2019-08-06 | 2020-06-23 | 广东鸿特精密技术（台山）有限公司 | Semi-solid pulping device |
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