CN112338158A - 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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- CN112338158A CN112338158A CN201910721426.9A CN201910721426A CN112338158A CN 112338158 A CN112338158 A CN 112338158A CN 201910721426 A CN201910721426 A CN 201910721426A CN 112338158 A CN112338158 A CN 112338158A
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- material spoon
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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
- B22D17/007—Semi-solid pressure die casting
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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
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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
- B22D17/28—Melting pots
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/06—Obtaining aluminium refining
- C22B21/064—Obtaining aluminium refining using inert or reactive gases
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
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Abstract
The invention relates to a semi-solid pulping method and a semi-solid pulping device. The method comprises the following steps: the material spoon is filled into molten metal in a heat preservation furnace; filling inert gas into the molten metal in the material spoon in a high-temperature area of the heat preservation furnace, or filling inert gas into the molten metal in the material spoon in the moving process of the material spoon; and cooling the metal liquid filled with the inert gas, and vibrating and insulating the metal liquid. The device includes: the heat preservation furnace is used for preserving heat of the molten metal; the material spoon is used for containing metal liquid; the carrying device is used for carrying the material spoon and driving the material spoon to carry out material charging or discharging; the air blowing device is used for filling inert gas into the molten metal in the material spoon; the vibration machine base is used for vibrating and insulating the metal liquid filled with the inert gas, and the insulation temperature of the vibration machine base 900 is lower than that of the insulation 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, an aluminum ingot is melted by a large melting furnace, molten metal is refined and then is sent to a machine edge holding furnace, the holding furnace holds the molten metal at about 650 ℃, and during die casting production, the molten metal is sent to an injection pipeline for die casting by a material spoon by a robot. In the prior art, the high-temperature aluminum material is easy to oxidize, impurities and slag are formed, the product forming quality is affected, manual cleaning is needed, and labor and time are consumed. In addition, the high temperature of the aluminum material can also cause certain influence on the forming of thin-wall products, and the defects of burning and the like are easy to occur; the aluminum material can be directly solidified at low temperature, and normal production cannot be realized.
Disclosure of Invention
Based on the above, the present invention provides a semi-solid pulping method and a semi-solid pulping apparatus, which have the 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 method comprises the following steps:
the material spoon is filled into molten metal in a heat preservation furnace;
filling inert gas into the molten metal in the material spoon in a high-temperature area of the heat preservation furnace, or filling inert gas into the molten metal in the material spoon in the moving process of the material spoon;
and naturally cooling the metal liquid filled with the inert gas, and vibrating and insulating the metal liquid.
Compared with the prior art, the semi-solid pulping method fills inert gas into the molten metal in the high-temperature inner cavity of the heat preservation 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 semi-solid pulping method is beneficial to avoiding the over-quick temperature reduction of the molten metal. Then, vibrate the molten metal under the environment of keeping warm, the temperature that the molten metal temperature can descend to be fit for the die-casting on the one hand, avoid the molten metal temperature too high or low excessively, on the other hand prevents that the molten metal from solidifying, improves the molten metal mixing state, guarantees that the molten metal temperature is even.
Further, the temperature of the molten metal after the inert gas is filled is maintained within a range of 600 to 620 ℃.
Further, in the process of carrying out vibration treatment on the molten metal in the material spoon, inert gas is filled into the molten metal in the material spoon.
Further, adopt the vibrations frame right the material spoon carries out vibration and thermal treatment, the 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 who 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 conveying device is used for conveying molten metal, and the conveying 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 charge or pour the material spoon;
the longitudinal movement mechanism is used for driving the rotating mechanism to move longitudinally so as to lift the material spoon;
and the transverse movement mechanism is used for driving the longitudinal movement mechanism to transversely move so that the material spoon passes through the heat preservation furnace, the placing 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 rack, 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 rack, and the first gear is meshed with the first rack to drive the transverse base to horizontally move on the rack;
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 base, the third motor is arranged on the longitudinal base, and an output shaft of the third motor is fixedly connected with the rotating base;
fixture includes double-end cylinder, two holders, double-end cylinder sets up on rotatory frame, two the holder sets up respectively on two telescopic links of double-end cylinder, be equipped with on the holder with first jack complex first plug-in components, with second jack complex second plug-in components.
Further, an air blowing device is adopted to fill inert gas into the molten metal in the material spoon, and the air blowing device comprises an air pipe extending into the material spoon and a lifting mechanism arranged on the longitudinal movement mechanism and used for driving the air pipe to extend into the material spoon.
Further, elevating system includes sharp cylinder, slide rail, slider, sharp cylinder sets up longitudinal movement mechanism, the slide rail sets up longitudinal movement mechanism, the slider sets up on the telescopic link of sharp cylinder, the slider is in slide on the slide rail, the trachea sets up on the slider.
In addition, the invention also provides a semi-solid pulping device, which comprises:
the heat preservation furnace is used for preserving heat of the molten metal;
the material spoon is used for containing metal liquid;
the carrying device is used for carrying the material spoon and driving the material spoon to charge or discharge materials;
the air blowing device is used for filling inert gas into the molten metal in the material spoon;
the vibration machine base is used for vibrating and insulating metal liquid filled with inert gas, and the heat insulation temperature of the vibration machine base 900 is lower than that of the heat insulation furnace.
Compared with the prior art, the semi-solid pulping device provided by the invention has the advantages that the conveying device is adopted to convey the molten metal, so that the production safety is improved. Inert gas is filled into the molten metal through the air blowing device, so that the molten metal is prevented from being solidified in the transportation process, and the quality of the molten metal can be improved. The metal liquid is cooled through the vibration machine base, so that the metal liquid is prevented from being solidified, the metal liquid mixing state is improved, and the temperature uniformity of the metal liquid is ensured. Meanwhile, the vibration machine base is used for carrying out heat preservation treatment on the molten metal, so that the phenomenon that the temperature of the molten metal is too high or too low is avoided.
Further, the device also comprises a die casting machine with a feeding port;
the material 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 material spoon, the rotating mechanism is used for driving the clamping mechanism to rotate so as to enable the material spoon to be charged or discharged, the longitudinal moving mechanism is used for driving the rotating mechanism to move longitudinally so as to lift the material spoon, and the transverse moving mechanism is used for driving the longitudinal moving mechanism to move transversely so as to enable the material spoon to pass through the heat preservation furnace, the vibration machine base and the die casting machine;
the transverse movement mechanism comprises a rack, 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 rack, and the first gear is meshed with the first rack to drive the transverse base to horizontally move on the rack;
a cross beam is arranged on the rack, the cross beam extends from the rack 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 base, the third motor is arranged on the longitudinal base, and an output shaft of the third motor is fixedly connected with the rotating base;
the clamping mechanism comprises a double-head cylinder and two clamping pieces, the double-head cylinder is arranged on the rotary base, the two clamping pieces are respectively arranged on two telescopic rods of the double-head cylinder, and a first plug-in piece matched with the first jack and a second plug-in piece matched with the second jack are arranged on the clamping pieces;
the air blowing device comprises an air pipe extending into the material spoon and a lifting mechanism which is arranged on the longitudinal machine base and is used for driving the air pipe to extend into the material spoon;
the lifting mechanism comprises a linear cylinder, a slide rail and a slide block, 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 slide rail is arranged on the longitudinal base, the slide block is arranged on the telescopic rod of the linear cylinder, the slide block slides on the slide rail, and the air pipe is arranged on the slide block;
the vibrating machine base comprises a base, a vibrating motor and an eccentric wheel, wherein the top surface of the base is provided with a placing groove for placing the material spoon, an electromagnetic induction coil for heating molten metal is arranged on the outer side of the placing groove, the vibrating motor is arranged on the base, and an output shaft of the vibrating motor is fixedly connected with the eccentric wheel.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a semi-solid pulping apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
fig. 3 is a schematic structural view of the material spoon according to the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a vibration base 900 according to an embodiment of the present invention;
description of the drawings:
100. 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 machine base; 430. a first motor; 500. a longitudinal movement mechanism; 510. a longitudinal machine base; 520. a second motor; 600. a rotation mechanism; 610. a third motor; 620. rotating the base; 700. a clamping mechanism; 710. a double-ended cylinder; 720. a clamping member; 721. a first plug-in; 722. a second plug-in; 800. an air blowing device; 810. an air tube; 820. a lifting mechanism; 821. a linear cylinder; 822. a slide rail; 823. a slider; 900. vibrating the engine base; 910. a base; 911. placing a groove; 912. an electromagnetic induction coil; 920. a vibration motor; 930. an eccentric wheel.
Detailed Description
The present embodiment provides a semi-solid slurrying device, and referring to fig. 1, the semi-solid slurrying device includes a die casting machine 100 having a feeding port 110, a holding furnace 200, a ladle 300, a carrying device, an air blowing device 800, and a shaking machine base 900. The holding furnace 200 is used to hold molten metal. The ladle 300 is used to contain molten metal. The carrying device is used for carrying the material spoon 300 and driving the material spoon 300 to charge or pour materials. The air blowing device 800 is used for filling the metal liquid in the ladle 300 with inert gas. The vibration machine base 900 is used for vibrating and insulating the metal liquid filled with the inert gas, and the insulation temperature of the vibration machine base 900 is lower than that of the insulation furnace 200.
Wherein the carrying device carries the material spoon 300 into the holding furnace 200 and drives the material spoon 300 to rotate so as to charge the molten metal; then, the ladle 300 moves to the inner cavity of the holding furnace 200 to leave the molten metal in the holding furnace 200, and when the ladle 300 leaves the molten metal in 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, so that the temperature of the molten metal can be controlled conveniently; after the metal liquid is aerated for a period of time, the material spoon 300 is conveyed to the vibrating machine base 900 by the conveying device, the vibrating machine base 900 vibrates and insulates the material spoon 300, and the metal liquid is prevented from solidifying by vibrating the metal liquid during the natural cooling period of the metal liquid, so that the mixing state of the metal liquid is improved, the temperature of the metal liquid is ensured to be uniform, and the metal liquid reaches a medium-solid phase; finally, the carrying device carries the ladle 300 to the sprue 110 of the die-casting machine 100, and drives the ladle 300 to rotate so as to pour molten metal into the sprue 110.
Referring to fig. 1, 2 and 3, the material spoon 300 is made of a material with high temperature resistance and good heat conductivity, and the material spoon 300 is in a barrel shape. In order to facilitate the carrying device to grab the material spoon 300, a handle 310 is fixed on the outer side surface of the material spoon 300. The top and bottom surfaces of the handle 310 are flat and parallel to the open surface of the spoon 300. In order to prevent the scoop 300 from being easily separated from the carrying device, the handle 310 is provided with the first insertion hole 311 and the second insertion hole 311, and therefore, the first insertion hole 311 and the second insertion hole 311 may have the same depth direction and may be displaced from each other, and in the present 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 apparatus includes a clamping mechanism 700, a rotating mechanism 600, a longitudinal movement mechanism 500 and a transverse movement mechanism 400. 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 charge or discharge the material spoon 300. The longitudinal movement mechanism 500 is used to drive the rotation mechanism 600 to move longitudinally to lift the scoop 300. The transverse moving mechanism 400 is used for driving the longitudinal moving mechanism 500 to move transversely so as to enable the material spoon 300 to pass through the holding furnace 200, the vibration machine seat 900 and the die casting machine 100.
Specifically, the lateral movement mechanism 400 includes a frame 410, a lateral base 420, a first motor 430, a first gear (not shown), and a first rack (not shown). The frame 410 is provided with a beam 411, the beam 411 extends from the frame 410 to the die casting machine 100, and the extending direction of the beam 411 is substantially the same as the connecting line of the furnace mouth of the holding furnace 200, the position of the vibration machine base 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 to the transverse housing 420. The first gear is fixedly installed on an output shaft of the first motor 430. The first rack is fixedly installed 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 beam 411.
Specifically, the longitudinal movement mechanism 500 includes a longitudinal base 510, a second motor 520, a second gear (not shown), and a second rack (not shown). Wherein, the longitudinal frame 510 is slidably disposed on the transverse frame 420, the longitudinal frame 510 moves on the cross beam 411 with the movement of the transverse frame 420, and the moving direction of the longitudinal frame 510 on the transverse frame 420 is perpendicular to the moving direction of the transverse frame 420 on the cross beam 411. The second motor 520 is fixedly installed 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 rotating mechanism 600 includes a third motor 610 and a rotating base 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 penetrates through the longitudinal frame 510. The rotary base 620 is disposed at the other side of the longitudinal base 510, and the rotary base 620 is fixedly mounted on an output shaft of the third motor 610, and the rotary base 620 is driven to rotate by the third motor 610.
Specifically, the clamping mechanism 700 includes a double-headed cylinder 710, two clamps 720. The double-head cylinder 710 is fixedly mounted on the surface of the rotating base 620 far away from the longitudinal base 510, and the telescopic direction of the telescopic rod of the double-head cylinder 710 is the same as the moving direction of the longitudinal base 510. The two clamping members 720 are respectively installed on the two telescopic rods of the double-head cylinder 710, and when the clamping mechanism 700 grabs the material spoon 300, the two clamping members 720 respectively press against 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 fitted to the first insertion hole 311 and a second plug 722 fitted to the second insertion hole 311. In this embodiment, the surfaces of the clamping members 720, which are pressed against the handle 310, are provided with the first plug-in member 721 and the second plug-in member 722, and the first plug-in member 721 and the second plug-in member 722 are both hemispherical protrusions, so that the clamping mechanism 700 can be firmly grasped on the one hand, and the first plug-in member 721 and the second plug-in member 722 can be conveniently inserted into the first insertion hole 311 and the second insertion hole 311 on the other hand.
Referring to fig. 1 and 2, the blowing device 800 includes an air tube 810 and a lifting mechanism 820. Wherein, this trachea 810 is used for stretching into the spoon 300 and fills inert gas for the molten metal in the spoon 300, and this elevating system 820 is used for driving the cylinder and stretches into or stretch out the spoon 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 extension direction of the telescopic rod of the linear cylinder 821 is the same as the sliding direction of the longitudinal base. The slide rail 822 is fixedly installed on the longitudinal base 510, the slide 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 slide rail 822, and the guiding direction of the slide rail 822 is the same as the telescopic direction of the telescopic rod of the linear cylinder 821. Slider 823 fixed mounting is at the tip of the telescopic link of sharp cylinder 821, slider 823 with the cooperation of T type groove in order to slide on slide rail 822, slider 823's glide direction is the same with the flexible direction of the telescopic link of sharp cylinder 821. The air tube 810 is mounted on the slider 823. The air tube 810 moves vertically up and down along with the movement of the sliding block 823, so that the air tube 810 can extend into or out of the material spoon 300. In addition, when the air pipe 810 extends into or out of the material spoon 300, the air pipe 810 is prevented from rotating around the axis of the telescopic rod of the linear air cylinder 821 by the cooperation of the sliding block 823 and the sliding rail 822.
Referring to fig. 1, 2 and 5, the vibration base 900 includes a base 910, a vibration motor 920 and an eccentric 930. Wherein, the top surface of the base 910 is provided with a placing groove 911 for placing the feeding spoon 300, and an electromagnetic induction coil 912 for heating the molten metal is surrounded on the periphery side of the placing groove 911. The vibration motor 920 is fixedly installed at the bottom of the base 910, and the vibration motor 920 is close to the placing groove 911. The eccentric 930 is fixedly mounted on the output shaft of the vibration motor 920. The eccentric wheel 930 is driven by the vibration motor 920 to rotate, so that the base 910 vibrates, and the material spoon 300 is further vibrated. During vibration, the ladle 300 is heated by the electromagnetic induction coil 912 to keep the molten metal in the ladle 300 warm.
The working process of the semi-solid pulping device is as follows: firstly, the transverse movement mechanism 400 moves the material spoon 300 to be right above the opening of the heat preservation furnace 200, the longitudinal movement mechanism 500 vertically extends the material spoon 300 into the inner cavity of the heat preservation furnace 200, the rotation mechanism 600 drives the material spoon 300 to rotate, the material spoon 300 performs the action of scooping molten metal, and the material spoon 300 is filled with the molten metal; then, the material spoon 300 vertically extends out of the inner cavity of the heat preservation furnace 200 through the longitudinal movement mechanism 500, the material spoon 300 is horizontally moved to be right above the placing groove 911 of the vibrating machine base 900 through the transverse movement mechanism 400, the material spoon 300 is vertically placed into the placing groove 911 through the longitudinal movement mechanism 500, and the vibrating machine base 900 vibrates and preserves heat of the material spoon 300; finally, the longitudinal movement mechanism 500 vertically moves the material spoon 300 away from the placement groove 911, the transverse movement mechanism 400 horizontally moves the material spoon 300 to a position right above the material filling port 110 of the die casting machine 100, the longitudinal movement mechanism 500 vertically puts down the material spoon 300 and is close to the material filling port 110, the rotation mechanism 600 drives the material spoon 300 to rotate, the material spoon 300 pours molten metal into the material filling port 110, and the die casting machine 100 injects the molten metal; in the above process, the gas pipe 810 may be inserted into the ladle 300 by the linear cylinder 821, and the inert gas may be blown into the molten metal in the ladle 300 by the gas pipe 810.
In addition, the embodiment also provides a semi-solid pulping method, which comprises the following steps:
s01, the ladle 300 is filled into the molten metal in the holding furnace 200, the ladle 300 can be manually fed into the holding furnace 200 and ladled out of the molten metal, or the ladle 300 can be fed into the holding furnace 200 and ladled out of the molten metal 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 molten aluminum;
s02, filling an inert gas into the molten metal in the ladle 300 in a high temperature region of the holding furnace 200, where the inert gas is nitrogen, the high temperature region may be a region in the holding furnace 200 and above the molten metal level, and may be a region at an opening of the holding furnace 200, and in this embodiment, the high temperature region is a region in the holding furnace 200 and above the molten metal level;
s03, the ladle 300 is conveyed to a cooling area through a manual or mechanical arm, the environment temperature of the cooling area is lower than that of a high-temperature area in the holding furnace 200, and the environment temperature of the cooling area is less than or equal to the temperature of the required semi-solid metal liquid;
s04, performing 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 and cool the metal liquid through the air in the cooling area, perform vibration and heat preservation treatment on the metal liquid during the natural cooling period, keep the temperature of the metal liquid filled with the inert gas within the range of 600-620 ℃, and additionally, fill a small amount of inert gas into the metal liquid during the vibration period;
s05, pouring molten metal with proper temperature into a feeding port 110 of the die casting machine 100;
s06, during the movement of the ladle 300 in the steps S01 to S05, filling the inert gas, which is nitrogen, into the molten metal in the ladle 300.
Wherein, in steps S01 to S06, the ladle 300 is handled by the handling device of the semi-solid pulping device of the embodiment; in steps S02 and S06, filling inert gas into the molten metal by the gas blowing device 800 of the semi-solid pulping device of the embodiment; in step S04, the cooling region is the placement recess 911 of the vibration base 900, and the vibration base 900 of the semi-solid pulping apparatus according to the embodiment is used to vibrate and insulate the molten metal.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The semi-solid pulping method is characterized by comprising the following steps:
the material spoon (300) is filled into the molten metal in the holding furnace (200);
filling inert gas into the molten metal in the material spoon (300) in a high-temperature area of the holding furnace (200), or filling inert gas into the molten metal in the material spoon (300) in the moving process of the material spoon (300);
and cooling the metal liquid filled with the inert gas, and vibrating and insulating the metal liquid.
2. The semi-solid pulping process of claim 1, wherein: the temperature of the molten metal after the inert gas is filled is kept in the range of 600 ℃ to 620 ℃.
3. The semi-solid pulping process of claim 1, wherein: and in the process of carrying out vibration treatment on the molten metal in the material spoon (300), filling inert gas into the molten metal in the material spoon (300).
4. The semi-solid pulping process of claim 1, wherein: adopt vibrations frame (900) right skip (300) vibrate and heat treatment, vibrations frame (900) are including base (910), vibrating motor (920), eccentric wheel (930), the top surface of base (910) is equipped with the confession the recess (911) of placing that skip (300) were 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).
5. The semi-solid pulping process of claim 4, wherein the molten metal is conveyed by a conveying device, the conveying device comprising:
a clamping mechanism (700) for clamping the scoop (300);
a rotating mechanism (600) for driving the clamping mechanism (700) to rotate so as to charge or discharge the material spoon (300);
a longitudinal movement mechanism (500) for driving 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 material spoon (300) passes through the heat preservation furnace (200), the placing groove (911) and a position to be injected.
6. The semi-solid pulping process of claim 5, wherein:
a handle (310) is arranged on the material spoon (300), and a first insertion hole (311) and a second insertion hole (311) are formed in the handle (310);
the transverse movement mechanism (400) comprises a rack (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 rack (410), and the first gear is meshed with the first rack to drive the transverse base (420) to horizontally move on the rack (410);
the longitudinal movement mechanism (500) comprises a longitudinal base (510), a second motor (520), a second gear and a second rack, 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);
fixture (700) includes double-end cylinder (710), two holder (720), double-end cylinder (710) sets up on rotatory frame (620), two holder (720) set up respectively on two telescopic links of double-end cylinder (710), be equipped with on holder (720) with first jack (311) complex first plug-in components (721), with second jack (311) complex second plug-in components (722).
7. The semi-solid pulping method according to claim 5, wherein an air blowing device (800) is adopted to fill inert gas into the molten metal in the material spoon (300), and the air blowing device (800) comprises an air pipe (810) extending into the material spoon (300), and a lifting mechanism (820) arranged on the longitudinal movement mechanism (500) and used for driving the air pipe (810) to extend into the material spoon (300).
8. The semi-solid pulping process of claim 7, wherein: elevating system (820) include sharp cylinder (821), slide rail (822), slider (823), sharp cylinder (821) set up longitudinal movement mechanism (500), slide rail (822) set up longitudinal movement mechanism (500), slider (823) set up on the telescopic link of sharp cylinder (821), slider (823) slide on slide rail (822), trachea (810) set up on slider (823).
9. A semi-solid pulping device is characterized in that the semi-solid pulping device comprises:
a holding furnace (200) for holding molten metal;
the material spoon (300) is used for containing metal liquid;
the carrying device is used for carrying the material spoon (300) and driving the material spoon (300) to charge or discharge;
the air blowing device (800) is used for filling inert gas into the molten metal in the material spoon (300);
the vibration machine base (900) is used for vibrating and insulating the metal liquid filled with the inert gas, and the insulation temperature of the vibration machine base (900) is lower than that of the insulation furnace (200).
10. The semi-solid pulping apparatus of claim 7, wherein:
the die casting machine (100) is provided with a feeding port (110);
a handle (310) is arranged on the material spoon (300), and a first insertion hole (311) and a second insertion hole (311) are formed in 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 charge or pour the material spoon (300), the longitudinal moving mechanism (500) is used for driving the rotating mechanism (600) to move longitudinally so as to lift the material spoon (300), and the transverse moving mechanism (400) is used for driving the longitudinal moving mechanism (500) to move transversely so as to enable the material spoon (300) to pass through the holding furnace (200), the vibrating machine base (900) and the die casting machine (100);
the transverse movement mechanism (400) comprises a rack (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 rack (410), and the first gear is meshed with the first rack to drive the transverse base (420) to horizontally move on the rack (410);
a cross beam (411) is arranged on the rack (410), the cross beam (411) extends from the rack (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, 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 cylinder (710) and two clamping pieces (720), the double-head cylinder (710) is arranged on the rotary base (620), the two clamping pieces (720) are respectively arranged on two telescopic rods of the double-head cylinder (710), and a first plug-in piece (721) matched with the first jack (311) and a second plug-in piece (722) matched with the second jack (311) are arranged on the clamping pieces (720);
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 machine 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 cylinder (821), a sliding rail (822) and a sliding block (823), the linear cylinder (821) is arranged on the longitudinal base (510), the telescopic direction of the linear 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 the telescopic rod of the linear 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 base (900) comprises a base (910), a vibration motor (920) and an eccentric wheel (930), wherein a placing 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 on the outer side of the placing 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 |
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| CN201910721426.9A CN112338158A (en) | 2019-08-06 | 2019-08-06 | Semi-solid pulping method and semi-solid pulping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721426.9A CN112338158A (en) | 2019-08-06 | 2019-08-06 | Semi-solid pulping method and semi-solid pulping device |
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| CN112338158A true CN112338158A (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564392A (en) * | 2021-07-23 | 2021-10-29 | 四川大学 | Device and method for refining metal solidification structure by semi-solid variable-temperature vibration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564392A (en) * | 2021-07-23 | 2021-10-29 | 四川大学 | Device and method for refining metal solidification structure by semi-solid variable-temperature vibration |
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