WO2019233130A1 - 一种半固态浆料的制浆装置 - Google Patents

一种半固态浆料的制浆装置 Download PDF

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Publication number
WO2019233130A1
WO2019233130A1 PCT/CN2019/076225 CN2019076225W WO2019233130A1 WO 2019233130 A1 WO2019233130 A1 WO 2019233130A1 CN 2019076225 W CN2019076225 W CN 2019076225W WO 2019233130 A1 WO2019233130 A1 WO 2019233130A1
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WIPO (PCT)
Prior art keywords
semi
rotor
pulping
stirring rod
solid slurry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/076225
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English (en)
French (fr)
Inventor
张莹
王继成
李谷南
刘炳烽
王勇
任怀德
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Zhuhai Runxingtai Electrical Equipment Co Ltd
Original Assignee
Zhuhai Runxingtai Electrical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Zhuhai Runxingtai Electrical Equipment Co Ltd filed Critical Zhuhai Runxingtai Electrical Equipment Co Ltd
Priority to EP19814862.9A priority Critical patent/EP3845327A4/en
Priority to JP2021520395A priority patent/JP2022504898A/ja
Priority to KR1020217018264A priority patent/KR20210091272A/ko
Publication of WO2019233130A1 publication Critical patent/WO2019233130A1/zh
Priority to US17/201,662 priority patent/US11958104B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • 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
    • 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
    • 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

Definitions

  • the embodiments of the present invention relate to, but are not limited to, alloy semi-solid rheological die-casting, and particularly to a device for preparing a semi-solid slurry slurry.
  • the semi-solid forming technology term is a cutting-edge metalworking technology in the 21st century, which has developed rapidly in recent years.
  • the semi-solid rheological die-casting technology has profoundly changed the traditional die-casting method.
  • the semi-solid forming technology has broken the traditional dendrite solidification mode, the granular crystal structure has increased the casting density, and the comprehensive performance of the casting has been improved.
  • the quality of the semi-solid slurry is the key factor of the semi-solid forming technology, and the precise control of the temperature of the liquid alloy and the semi-solid slurry is the process basis to ensure the quality of the semi-solid slurry.
  • the general mechanical stirring + argon cooling pulping method generally prepares 2-15KG slurry.
  • the size of thin-walled semi-solid products is 1200mm and the product weight is 15-30KG.
  • the weight of the slag bag at the water inlet requires 20-60KG of semi-solid slurry to meet the production of large semi-solid products.
  • the stirring rod of the traditional mechanical stirring method has been rotated and stirred in the pulping tank. When the amount of the alloy liquid in the pulping tank is large, the alloy liquid at a position far from the stirring rod will not be stirred, and the dendritic crystals cannot be completely beaten. It is broken and the cooling efficiency is low.
  • an object of the present invention is to provide a pulping device for a semi-solid slurry with a large capacity and a uniform and stable prepared slurry.
  • a pulping device for semi-solid slurry which includes a rotor mixer (1) and a pulping tank (2).
  • the rotor mixer (1) includes a stirring cylinder (9) and a self-mixing cylinder (9).
  • a transmission gear (6) is provided on one end surface of the pulping tank (2).
  • At least one rotor stirring rod (4) is meshed with the transmission gear (6).
  • At least one rotor stirring rod (4) rotates along the transmission gear while rotating. (6)
  • the plane trajectory revolves.
  • the transmission gear is provided with n teeth, the distance between adjacent front teeth and rear teeth is a, and the tooth width of each tooth is b.
  • At least one end of the rotor agitating rod (4) connected with the transmission gear (6) is provided with meshing teeth matching the transmission gear (6).
  • Each rotor agitating rod (4) includes m meshing teeth, and adjacent front meshing The distance between the teeth and the rear teeth is b, and the tooth width of each teeth is a.
  • At least one rotor stirring rod (4) rotates and rotates at the same time.
  • the slurry (3) in the pulping tank (2) is stirred into a semi-solid slurry.
  • the semi-solid slurry has a grain size of 30-50 microns
  • the grain element integrity of the semi-solid slurry is between 0.80 and 0.95.
  • n 500-2000.
  • n 10-20.
  • a is 2 to 4 cm.
  • b is 3 to 5 cm.
  • the extension depth of the rotor stirring rod to the pulping tank is one-half to two-thirds of the height of the pulping tank.
  • the rotation speed of the rotor agitating rod is 1000-2000 rpm
  • the revolution speed of the rotor agitating rod along the plane track of the transmission gear is 100-200 rpm.
  • the rotor stirring rod has a hollow structure, an outer wall diameter of the rotor stirring rod is 50 to 70 mm, and an inner wall diameter of the rotor stirring rod is 30 to 50 mm.
  • the inner cavity of the rotor stirring rod is provided with a copper pipe extending through the stirring cylinder to the stirring tank.
  • the outer diameter of the copper pipe is 10 to 20 mm and the inner diameter is 1.5 to 5 mm.
  • the copper pipe is used to feed the pulping tank. Compressed argon was passed through the slurry.
  • the slurry is a metal melt, an alloy melt, or a composite melt containing more than 40% of a metal or an alloy, which is heated to melt.
  • the rotor agitator includes at least three rotor agitating rods extending from the agitating cylinder to the inside of the pulping tank, and one end of the agitating cylinder facing the pulping tank is provided with at least three transmission gears, at least three rotor agitating rods and at least three Each transmission gear is in one-to-one correspondence and meshed with at least three transmission gears.
  • Each rotor stirring rod rotates while revolving along the plane trajectory of the transmission gear.
  • the rotation speed of each rotor stirring rod is 1200 to 2000 revolutions per minute.
  • the revolution speed of each rotor agitating rod along the corresponding plane trajectory of each transmission gear is 120-180 rpm.
  • At least three rotor agitating rods rotate and rotate at the same time to stir the slurry in the pulping tank into half.
  • the grain size of the prepared semi-solid slurry is 35-50 micrometers, and the grain element uniformity of the semi-solid slurry is between 0.85 and 0.95.
  • 20 to 80 kg of semi-solid slurry can be prepared in the pulping tank, and the temperature deviation of the semi-solid slurry at different positions in the pulping tank is less than 3 degrees Celsius.
  • a permanent magnet is provided in the pulping tank, and the permanent magnet generates a magnetic field force to push the pulping liquid in the pulping tank to electromagnetically stir.
  • a semi-solid slurry of 20 to 80 kg can be prepared in the pulping tank, and the temperature deviation of the semi-solid slurry at different positions in the pulping tank is less than 1.5 degrees Celsius.
  • the pulping device of the semi-solid slurry of the present invention includes a rotor mixer and a pulping tank.
  • the capacity of the pulping tank can accommodate 20 to 80 kg of pulping liquid.
  • the size of the pulping tank is 2 to 7.5 meters in length and 1.30 to 5.5 in width. Meters, with a depth of 1 to 2.8 meters.
  • the pulping tank can be set in the shape of a spoon.
  • the rotor stirring rod of the semi-solid slurry pulping device of the present invention rotates at a speed of 1000 to 2000 revolutions per minute in the slurry, and the rotor stirring rod revolves along the transmission gear at a speed of 100 to 200 revolutions per minute, that is,
  • the rotor stirring rod moves outward from the center of the pulping tank in an arc trajectory, so that the rotor stirring rod generates stirring force at any position in the pulping tank, destroying the process of the pulping liquid crystallizing and growing inward into a primary dendrite, so that The dendrite grains are broken or fractured to form grains with an average size of 0.01 to 0.04 mm.
  • the grains are uniformly nucleated and grow slowly.
  • the proportion of solid phase grains in the semi-solid slurry reaches 50 to 70%.
  • the rotor stirring rod When the rotor stirring rod includes a rotor stirring rod, the rotor stirring rod rotates at a high speed while rotating at a slow speed, so that 92% of the alloy in the pulping tank is stirred.
  • the rotor stirring rod includes 3 rotor stirring rods, the 3 rotor stirring rods rotate and stir the pulping liquid at 3 positions in the pulping tank, so that 95% of the alloy in the pulping tank is stirred, and the pulping liquid in the pulping tank is at Stirring force reduces temperature to produce low-temperature semi-solid granular crystal structure.
  • the transmission gear of the semi-solid slurry pulping device of the present invention is provided with 500 to 2,000 teeth, the distance between adjacent front teeth and rear teeth is 2 to 4 cm, and the tooth width of each tooth is 3 to 5 cm.
  • the connecting end of at least one rotor stirring rod and the transmission gear of the semi-solid slurry pulping device of the present invention is provided with meshing teeth matched with the transmission gear.
  • Each rotor stirring rod includes 10 to 20 meshing teeth.
  • the distance between the meshing teeth and the rear meshing teeth is 3 to 5 cm, and the tooth width of each meshing tooth is 2 to 4 cm.
  • the meshing teeth of the rotor stirring rod mesh with the teeth of the transmission gear and rotate along the track of the transmission gear.
  • the stirring rod is easy to be damaged by corrosion.
  • the stirring rod and the transmission gear are meshed and connected. It is convenient to disassemble and easy to replace and repair the stirring rod.
  • the method of replacing the stirring rod can extend the service life of the entire pulping device and improve The installation accuracy of the stirring rod and the transmission gear is made, so that the stirring rod runs along the trajectory of the transmission gear.
  • the centrifugal force generated during the revolution acts on the pulping liquid in the pulping tank, destroys the solidification process of the pulping liquid, and accelerates the formation of the semi-solid pulp Expected time.
  • the invention can be used for the preparation of large-capacity semi-solid slurry for rheological die-casting of various alloys such as aluminum, magnesium, copper, zinc, etc.
  • the mechanical stirring method combining the rotation of the stirring rod and the revolution opens up the pulping method in the production of semi-solid rheological die-casting.
  • the new model broadens the design concept of semi-solid pulping equipment and provides new ideas for the development of mechanical rotary pulping technology.
  • the prepared semi-solid slurry has a degree of roundness of grains as high as 85-95%, a small grain size, moderate viscosity and fluidity, and is suitable for industrial die-casting to improve production efficiency.
  • the quality and performance of the generated semi-solid slurry can be controlled to meet the different needs in different fields and have a wide range of applications.
  • the rotor stirring rod of the semi-solid slurry pulping device of the present invention is provided with a hollow structure, and the hollow stirring rod is provided with a copper pipe penetrating the stirring cylinder.
  • the copper pipe is used to pass compressed argon gas into the pulping liquid in the pulping tank.
  • Compressing argon to reduce the temperature of the slurry makes the prepared semi-solid slurry temperature directly compound the requirements of die-casting, omitting the subsequent water-cooling method cooling step, reducing energy waste in line with the requirements of green chemical development, reducing processing procedures and shortening the process cycle.
  • the pulping device of the semi-solid slurry of the invention can obtain fine grain structure without adding grain refiner, eliminates columnar crystals and coarse dendrites in traditional casting, has low forming temperature, reduces production and operation costs, and saves energy.
  • the semi-solid slurry industrial casting produced by the semi-solid slurry pulping device prepared by the invention has high dimensional accuracy after forming, small processing margin, and strong mold filling capacity.
  • the pulping tank of the semi-solid slurry pulping device of the present invention is further provided with a permanent magnet to generate electromagnetic force to drive the pulping liquid in the pulping tank to perform electromagnetic stirring, so that the stirring of the pulping liquid is more fully and uniform, and the pulping time It is shorter and further reduces the problem of solidification of the pulping liquid on the pulping tank.
  • the semi-solid slurry pulping device of the present invention combines mechanical stirring with electromagnetic stirring, provides a new idea of semi-solid slurry stirring molding, and obtains unexpected effects.
  • the prepared semi-solid slurry has a higher roundness of grains of 88 to 96%, and the fine grain distribution is more uniform.
  • the temperature deviation of the semi-solid slurry at different positions in the pulping tank is less than 1.5 degrees Celsius.
  • Fig. 1 exemplarily shows a schematic diagram of a pulping device for a semi-solid slurry according to the present invention
  • Fig. 2 exemplarily shows a bottom view of a rotor mixer (1) of a pulping device for a semi-solid slurry according to the present invention.
  • a pulping device for semi-solid slurry includes a rotor mixer (1) and a pulping tank (2).
  • the rotor mixer (1) includes a stirring cylinder (9) and a pulping tank (2) from the stirring cylinder (9).
  • At least one rotor stirring rod (4) extending inside, a driving device for driving the rotation of at least one rotor stirring rod (4) is provided inside the stirring cylinder (9), and the stirring cylinder (9) faces one of the pulping tank (2).
  • the end face is provided with a transmission gear (6), at least one rotor stirring rod (4) is meshed with the transmission gear (6), and at least one rotor stirring rod (4) rotates while revolving along a plane track of the transmission gear (6) while rotating.
  • the transmission gear is provided with n teeth, the distance between adjacent front teeth and rear teeth is a, and the tooth width of each tooth is b.
  • At least one end of the rotor agitating rod (4) connected with the transmission gear (6) is provided with meshing teeth matching the transmission gear (6).
  • Each rotor agitating rod (4) includes m meshing teeth, and adjacent front meshing The distance between the teeth and the rear teeth is b, and the tooth width of each teeth is a.
  • At least one rotor stirring rod (4) rotates and rotates at the same time.
  • the slurry (3) in the pulping tank (2) is stirred into a semi-solid slurry.
  • the semi-solid slurry has a grain size of 30-50 microns.
  • the grain element integrity of the semi-solid slurry is between 0.80 and 0.95.
  • n 500 to 2000.
  • n 1000 to 1600.
  • m 10-20.
  • m 12-18.
  • a 2 to 4 cm.
  • b 3 to 5 cm.
  • the meshing teeth of the rotor stirring rod (4) and the teeth of the transmission gear (6) mesh along the track of the transmission gear (6).
  • the rotor stirring rod (4) is easily damaged by corrosion.
  • the rotor stirring rod (4) is meshed with the transmission gear (6). It is easy to disassemble and easy to remove and maintain the rotor stirring rod (4).
  • the method of replacing the rotor stirring rod (4) extends the service life of the entire device, improves the installation accuracy of the rotor stirring rod (4) and the transmission gear (6), and makes the rotor stirring rod (4) follow the trajectory of the transmission gear (6).
  • the centrifugal force generated during the revolution acts on the pulping liquid (3) in the pulping tank (2), destroys the solidification process of the pulping liquid (3), and accelerates the time for the pulping liquid (3) to form a semi-solid slurry.
  • the rotor mixer (1) includes at least three rotor stirring rods (4) extending from the stirring cylinder (9) to the inside of the pulping tank (2), and the stirring cylinder (9) faces one end surface of the pulping tank (2). It is provided with at least three transmission gears (6), at least three rotor stirring rods (4) are in one-to-one correspondence with at least three transmission gears (6) and are meshed with at least three transmission gears (6), each rotor stirring rod (4) Rotate and rotate along the plane track of the transmission gear (6) while rotating. At least three rotor stirring rods (4) rotate and rotate at the same time to stir the pulping liquid (3) in the pulping tank (2).
  • the grain size of the prepared semi-solid slurry is 35-50 micrometers, and the grain element uniformity of the semi-solid slurry is between 0.85 and 0.95.
  • the rotor stirring rod (4) rotates, more than 95% of the pulping liquid (3) in the pulping tank (2) can be rotated at the same time, so that the pulping liquid (3) moves more fully, and the semi-solid pulp obtained is prepared.
  • the smaller the size of the material the higher the grain integrity, and the shorter the pulping time.
  • the extension depth of the rotor stirring rod (4) to the pulping tank (2) is one-half to two-thirds of the height of the pulping tank (2).
  • the rotor stirring rod (4) faces the pulping tank (2).
  • the extension depth is 7 to 12/3 of the height of the pulping tank (2).
  • the rotor stirring rod (4) can rotate the pulping liquid (3) to the greatest extent to avoid rotor stirring.
  • the length of the rod (4) is not enough so that the pulping liquid (3) at the bottom of the pulping tank (2) cannot be fully stirred, and the solidification molding affects the stirring efficiency of the semi-solid slurry, while avoiding the length of the rotor stirring rod (4) being too long.
  • the pulping liquid (3) is excessively tumbled into the air or other impurities to enter the pulping liquid (3), which affects the quality of the prepared semi-solid slurry.
  • the extension depth of the rotor stirring rod (4) to the pulping tank (2) is 7/12 or 2/3 of the height of the pulping tank (2).
  • the rotation speed of the rotor stirring rod (4) is 1000 to 2000 revolutions per minute, preferably, the rotation speed of the rotor stirring rod (4) is 1200 to 2000 revolutions per minute. Under this condition, the semi-solid slurry grains are prepared. Nucleation is more uniform. The proportion of solid phase grains in the semi-solid slurry is 50-70%, which is a high-quality semi-solid slurry containing fine uniform solid particles.
  • the rotation speed of the rotor stirring rod (4) can be selected to be 1200 rpm, 1400 rpm, 1600 rpm, 1800 rpm, or 2000 rpm.
  • the revolution speed of the rotor stirring rod (4) revolving along the plane trajectory of the transmission gear (6) is 100-200 rpm.
  • the revolution of the rotor stirring rod (4) revolving along the plane trajectory of the transmission gear (6) The speed is 120-180 rpm.
  • the rotor stirring rod (4) can generate stirring force at any position in the pulping tank (2), which fully destroys the pulping solution (3) to crystallize and grow inward as The process of the primary dendrite avoids the situation that the pulping liquid (3) crystallizes on the wall of the pulping tank (2) and causes uneven pulping.
  • the rotor stirring rod (4) has a hollow structure, the outer wall diameter of the rotor stirring rod (4) is 50 to 70 mm, and the inner wall diameter of the rotor stirring rod (4) is 30 to 50 mm.
  • the outer wall diameter of the rotor stirring rod (4) is 60 to 70 mm, and the inner wall diameter of the rotor stirring rod (4) is 30 to 40 mm.
  • the rotor stirring rod (4) and the slurry (3) The contact area is larger, less stirring time and saving process cycle.
  • the inner wall diameter is 35 mm or the outer wall diameter is 70 mm, and the inner diameter of the rotor stirring rod (4) is 40 mm.
  • the rotor stirring rod (4) is made of graphite. Under this condition, avoiding the rotor stirring rod (4) double the slurry (3) high temperature corrosion as much as possible, singing the service life of the rotor stirring rod (4), and improving the equipment utilization. To prevent the rotor stirring rod (4) from being corroded and causing the slurry (3) to be contaminated.
  • the inner cavity of the rotor stirring rod (4) is provided with a copper pipe (5) extending through the stirring cylinder (9) to the stirring tank.
  • the outer diameter of the copper pipe (5) is 10-20 mm, and the inner diameter is 1.5-5 mm.
  • the tube (5) is used to pass compressed argon gas into the slurry (3) in the slurry tank (2).
  • the outer diameter of the copper pipe (5) is 15-20 mm, and the inner diameter is 3-5 mm.
  • the copper pipe (5) can be selected with an outer diameter of 15 mm, an inner diameter of 3 mm, an outer diameter of 16 mm, an inner diameter of 3.5 mm, an outer diameter of 17 mm, an inner diameter of 4 mm, and an outer The diameter is 18 mm, the inner diameter is 4.5 mm, or the outer diameter is 20 mm, and the inner diameter is 5 mm.
  • the slurry (3) is a molten metal, alloy, or composite material containing more than 40% of a metal or alloy, and the slurry (3) is preferably an aluminum alloy, a magnesium alloy, or copper. One or more of alloy liquid and titanium alloy liquid.
  • the semi-solid slurry prepared under this condition has a high die-casting molding rate, and the obtained die-casting casting has lighter weight and thinner wall thickness. At the same time, it has good mechanical properties, such as strength and stretch, and good electrical and thermal conductivity.
  • a semi-solid slurry of 20 to 80 kg can be prepared in the pulping tank (2), and the temperature deviation of the semi-solid slurry at different positions in the pulping tank (2) is less than 3 degrees Celsius.
  • 20 to 60 kg of semi-solid slurry is prepared in the pulping tank (2), and the temperature deviation of the semi-solid slurry at different positions of the semi-solid slurry pulping tank (2) prepared under this condition is 1.5 Below Celsius.
  • a permanent magnet is arranged in the pulping tank (2), and the permanent magnet generates a magnetic field force to push the pulping liquid (3) in the pulping tank (2) for electromagnetic stirring.
  • the semi-solid slurry pulping device of the present invention can obtain a fine grain structure without adding a grain refiner, eliminates columnar crystals and coarse dendrites in traditional casting, has a low forming temperature, and reduces production and operating costs. ,save energy.
  • the semi-solid slurry industrial castings prepared by the semi-solid slurry pulping device of the present invention have high dimensional accuracy after forming, small processing allowance, and strong filling ability.
  • the pulping tank of the semi-solid slurry pulping device of the present invention is further provided with a permanent magnet to generate electromagnetic force to drive the pulping liquid in the pulping tank to perform electromagnetic stirring, so that the stirring of the pulping liquid is more fully and uniformly.
  • the pulping time is shorter and the problem of solidification of the pulping liquid on the pulping tank is further reduced.
  • the semi-solid slurry pulping device of the present invention combines mechanical stirring with electromagnetic stirring, and provides a new idea for semi-solid slurry stirring molding, which has obtained unexpected results.
  • the prepared semi-solid slurry has a higher roundness of grains of 88 to 96%, and the fine grain distribution is more uniform.
  • the temperature deviation of the semi-solid slurry at different positions in the pulping tank is less than 1.5 degrees Celsius.

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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

一种半固态浆料的制浆装置，其包括转子搅拌机(1)及制浆槽(2)，转子搅拌机(1)包括搅拌筒(9)及自搅拌筒(9)向制浆槽(2)内部延伸的转子搅拌杆(4)，搅拌筒(9)内部设置有用于驱动转子搅拌杆(4)自转旋转的驱动装置，搅拌筒(9)面向制浆槽(2)的一端面设置有传动齿轮(6)，转子搅拌杆(4)与传动齿轮(6)啮合连接，传动齿轮(6)上设置有n个齿，相邻的前齿和后齿之间的间距为a，每个齿的齿宽为b；至少一个转子搅拌杆(4)与传动齿轮(6)连接的一端设置有与传动齿轮(6)配套的啮合齿，每个转子搅拌杆(4)包括m个啮合齿，相邻的前啮合齿和后啮合齿之间的间距为b，每个啮合齿的齿宽为a。该制浆装置采用搅拌杆自转和公转结合的机械搅拌方式，制备得到的浆料晶粒致密细小、分布均匀，从而控制了生成的半固态浆料的质量和性能。

Description

一种半固态浆料的制浆装置
本申请要求在2018年12月14日提交中国专利局、申请号为201811530277.X、发明名称为“一种半固态浆料的制浆装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及但不限于合金半固态流变压铸成形，尤其涉及一种制备半固态浆料浆装置。
背景技术
半固态成形技术术语21世纪前沿性的金属加工技术，近年来得到快速发展。半固态流变压铸技术使传统压铸方式发生了深刻变化，半固态成形技术打破了传统的枝晶凝固模式，粒状晶组织提高了铸件密度，铸件的综合性能得到提高。在半固态流变压铸工艺中，半固态浆料的质量是半固态成形技术的关键因素，而精确控制液态合金温度和半固态浆料温度是保证半固态浆料质量的工艺基础。半固态浆料的制备方法，国内外学者进行了大量的而研究工作，提出了许多半固态金属浆料制备工艺方法：包括机械搅拌法、电磁搅拌法、控制凝固法、应变诱发激活方法(SIMA法)、等温处理法、近液相线浇注法、喷射沉积法、粉末冶金法等。大多制浆方法仅适用实验室研究，由于技术受限，不能推广应用到实际压铸生产过程。
目前，一般的机械搅拌+氩气冷却的制浆方法一般制备2-15KG的浆料，随着半固态压铸产品的大型化，薄壁半固态产品尺寸在1200mm，产品重量在15-30KG，加上水口渣包重量，需要20-60KG的半固态浆料才能满足大型半固态产品生产。传统机械搅拌方式的搅拌杆在制浆槽中已给位置旋转搅拌，当制浆槽中合金液量大时，距搅拌杆远的位置的合金液不会被搅动，枝状晶不能被完全打碎，且降温效率较低。
因此，提供一种提高制浆容量、制备得到的浆料晶粒致密细小、温度均匀、能够用于大尺寸半固态产品的连续压铸生产的半固态浆料的制浆装置成为业界急需解决的技术问题。
发明内容
本发明旨在解决上面描述的问题。针对上述问题，本发明的目的是提供一种容量大、制备得到的浆料均匀稳定的半固态浆料的制浆装置。
根据本发明的一个方面，提供一种半固态浆料的制浆装置，包括转子搅拌机(1)以及制浆槽(2)，转子搅拌机(1)包括搅拌筒(9)以及自搅拌筒(9)向制浆槽(2)内部延伸的至少一个转子搅拌杆(4)，搅拌筒(9)内部设置有用于驱动至少一个转子搅拌杆(4)自转旋转的驱动装置，搅拌筒(9)面向制浆槽(2)的一端面设置有传动齿轮(6)，至少一个转子搅拌杆(4)与传动齿轮(6)啮合连接，至少一个转子搅拌杆(4)自转旋转的同时沿着传动齿轮(6)的平面轨迹公转。传动齿轮上设置有n个齿，相邻的前齿和后齿之间的间距为a，每个齿的齿宽为b。至少一个转子搅拌杆(4)与传动齿轮的(6)连接的一端设置有与传动齿轮(6)配套的啮合齿，每个转子搅拌杆(4)包括m个啮合齿，相邻的前啮合齿和后啮合齿之间的间距为b，每个啮合齿的齿宽为a。至少一个转子搅拌杆(4)自转与公转同时运行将制浆槽(2)内的制浆液(3)搅拌成半固态浆料，制备得到的半固态浆料的晶粒尺寸为30～50微米，半固态浆料的晶粒元整度在0.80～0.95之间。
可选择地，n为500～2000。
可选择地，m为10～20。
可选择地，a为2～4厘米。
可选择地，b为3～5厘米。
可选择地，转子搅拌杆向制浆槽的延伸深度为制浆槽高度的二分之一到三分之二。
可选择地，转子搅拌杆的自转转速为1000～2000转/分钟，转子搅拌杆沿着传动齿轮的平面轨迹公转的公转速度为100～200转/分钟。
可选择地，转子搅拌杆为中空结构，转子搅拌杆的外壁直径为50～70毫米，转子搅拌杆的内壁直径为30～50毫米。
可选择地，转子搅拌杆的内腔设置有贯穿搅拌筒向搅拌槽延伸的铜管，铜管的外径为10～20毫米，内径为1.5～5毫米，铜管用于向制浆槽内的制浆液中通入压缩氩气。
可选择地，制浆液为加热至熔融的金属熔液、合金熔液或含有40％以上的金属或者合金的复合材料熔液。
可选择地，转子搅拌机包括自搅拌筒向制浆槽内部延伸的至少三个转子搅拌杆，搅拌筒面向制浆槽的一端面设置有至少三个传动齿轮，至少三个转子搅拌杆与至少三个传动齿轮一 一对应并与至少三个传动齿轮啮合连接，每个转子搅拌杆自转旋转的同时沿着传动齿轮的平面轨迹公转，每个转子搅拌杆的自转转速为1200～2000转/分钟，每个转子搅拌杆沿着对应的每个传动齿轮的平面轨迹公转的公转速度为120～180转/分钟，至少三个转子搅拌杆自转与公转同时运行将制浆槽内的制浆液搅拌成半固态浆料，制备得到的半固态浆料的晶粒尺寸为35～50微米，半固态浆料的晶粒元整度在0.85～0.95之间。
可选择地，制浆槽内可制备20～80千克的半固态浆料，制浆槽不同位置的半固态浆料的温度偏差为3摄氏度以下。
可选择地，制浆槽内设置有永久磁铁，永久磁铁产生磁场力推动制浆槽内的制浆液进行电磁搅拌。
可选择地，制浆槽内可制备20～80千克的半固态浆料，制浆槽不同位置的半固态浆料的温度偏差为1.5摄氏度以下。
本发明的半固态浆料的制浆装置包括转子搅拌机以及制浆槽，制浆槽的容量可容纳20～80千克的制浆液，制浆槽的尺寸为长度2～7.5米，宽度1.30～5.5米，深度1～2.8米。为避免制浆液在制浆槽的槽壁上结晶导致制浆不均匀的情况，制浆槽可以设置为汤勺形状。
本发明的半固态浆料的制浆装置的转子搅拌杆在制浆液中以1000～2000转/分钟的转速自转，同时转子搅拌杆以100～200转/分钟的速度沿着传动齿轮公转，即转子搅拌杆从制浆槽中心向外按照圆弧轨迹移动，这样转子搅拌杆在制浆槽中任意位置都产生搅拌力，破坏制浆液在结晶并向内生长为初生的枝晶的过程，使枝晶的晶粒发生破碎或断裂形成平均尺寸达0.01～0.04毫米的晶粒，晶粒形核均匀、生长缓慢，在半固态浆料中固相晶粒占比达到50～70％，得到了包含细小均匀固相颗粒的优质半固态浆料。
转子搅拌杆包括1个转子搅拌杆时，转子搅拌杆高速自转的同时慢速公转，使得制浆槽中92％位置合金被搅动。转子搅拌杆包括3个转子搅拌杆时，3个转子搅拌杆在制浆槽的3个位置旋转搅拌制浆液，使得制浆槽中95％位置的合金被搅动，制浆槽中的制浆液在搅拌力作用下降温产生低温半固态粒状晶组织。
本发明的半固态浆料的制浆装置的传动齿轮上设置有500～2000个齿，相邻的前齿和后齿之间的间距为2～4厘米，每个齿的齿宽为3～5厘米。本发明的半固态浆料的制浆装置的至少一个转子搅拌杆与传动齿轮的连接端设置有与传动齿轮配套的啮合齿，每个转子搅拌杆包括10～20个啮合齿，相邻的前啮合齿和后啮合齿之间的间距为3～5厘米，每个啮合齿的齿宽为2～4厘米。转子搅拌杆的啮合齿与传动齿轮的齿咬合沿着传动齿轮的轨道转动。合金制浆过 程中，搅拌杆易被腐蚀损害，搅拌杆与传动齿轮啮合连接，拆装方便，易于搅拌杆的拆换维修，可通过更换搅拌杆的方法延长整个制浆装置的使用寿命，提高了搅拌杆与传动齿轮的安装精度，使得搅拌杆沿着传动齿轮的轨迹运转，在公转产生的离心力作用于制浆槽中的制浆液，破坏制浆液的固化过程，加速制浆液形成半固态浆料的时间。
本发明可用于铝、镁、铜、锌等各种合金流变压铸的大容量半固态浆料制备，搅拌杆自转和公转结合的机械搅拌方式开拓了半固态流变压铸生产中制浆方式的新模式，拓宽了半固态制浆设备设计理念，为机械旋转制浆工艺发展提供了新的思路。制备得到的半固态浆料具有的晶粒圆整度高达85～95％、晶粒尺寸小、粘稠度和流动性适中，适用于工业压铸成型，提高生产效率。可以通过控制转子搅拌杆的自转、公转速度，从而控制生成的半固态浆料的质量和性能，以适应不同领域的不同需求，应用范围广泛。
本发明的半固态浆料的制浆装置的转子搅拌杆设置为中空结构，中空搅拌杆设置有贯穿搅拌筒的铜管，铜管用于向制浆槽内的制浆液中通入压缩氩气并通过压缩氩气的流动带走转子搅拌杆周围的部分热量避免转子搅拌杆的高温热损耗提高了转子搅拌杆的利用率也避免转子搅拌杆被制浆液腐蚀污染制浆液，同时降低制浆液的温度、加速刺激制浆液运动，固态浆料形成时间，凝固速度加快，生产率提高，使得浆料中的晶粒形核更加均匀避免相偏析，最终制得的流变浆料品质好，整体晶粒尺寸细小且分布均匀。
压缩氩气为制浆液降温使得制备得到的半固态浆料温度直接复合压铸要求，省略后续水冷法降温步骤，减少能源浪费符合绿色化工发展要求，减少加工工序、缩短工艺周期。
本发明的半固态浆料的制浆装置不需加晶粒细化剂即可获得细晶粒组织，消除了传统铸造中的柱状晶和粗大树枝晶，成形温度低，生产营运成本降低，节省能源。
本发明的半固态浆料的制浆装置制备得到的半固态浆料制的工业铸件成形后尺寸精度高，加工余量小、充型能力强。
本发明的半固态浆料的制浆装置的制浆槽中进一步设置有永久磁铁以产生电磁力推动制浆槽内的制浆液运动进行电磁搅拌，使得制浆液的搅拌更加充分均匀，制浆时间更短且进一步减少制浆液在制浆槽上固化的问题。
本发明的半固态浆料的制浆装置将机械搅拌与电磁搅拌结合，提供了半固态浆料搅拌成型的新思路，得到了意想不到的效果。制备得到的半固态浆料晶粒圆整度更高达到88～96％，晶粒细小分布更加均匀，制浆槽不同位置的半固态浆料的温度偏差为1.5摄氏度以下。
附图说明
构成本发明的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1示例性地示出了根据本发明的半固态浆料的制浆装置的示意图；
图2示例性地示出了根据本发明的半固态浆料的制浆装置的转子搅拌机(1)的仰视图。
具体实施方式
为使本发明实施例的目的、术方案和优点更加清楚，下面将结合本发明实施例，对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
下面将通过具体实施例的方式详细解释本发明提供的半固态浆料的制浆装置。
一种半固态浆料的制浆装置，包括转子搅拌机(1)以及制浆槽(2)，转子搅拌机(1)包括搅拌筒(9)以及自搅拌筒(9)向制浆槽(2)内部延伸的至少一个转子搅拌杆(4)，搅拌筒(9)内部设置有用于驱动至少一个转子搅拌杆(4)自转旋转的驱动装置，搅拌筒(9)面向制浆槽(2)的一端面设置有传动齿轮(6)，至少一个转子搅拌杆(4)与传动齿轮(6)啮合连接，至少一个转子搅拌杆(4)自转旋转的同时沿着传动齿轮(6)的平面轨迹公转。传动齿轮上设置有n个齿，相邻的前齿和后齿之间的间距为a，每个齿的齿宽为b。至少一个转子搅拌杆(4)与传动齿轮的(6)连接的一端设置有与传动齿轮(6)配套的啮合齿，每个转子搅拌杆(4)包括m个啮合齿，相邻的前啮合齿和后啮合齿之间的间距为b，每个啮合齿的齿宽为a。至少一个转子搅拌杆(4)自转与公转同时运行将制浆槽(2)内的制浆液(3)搅拌成半固态浆料，制备得到的半固态浆料的晶粒尺寸为30～50微米，半固态浆料的晶粒元整度在0.80～0.95之间。
其中，n为500～2000。优选地，n为1000～1600，例如，在实际操作过程中，可以选择，n＝1000、n＝1200、n＝1400、n＝1500或n＝1600。
其中，m为10～20。优选地，m为12～18。例如，在实际操作过程中，可以选择m＝12、 m＝13、m＝15、m＝17或m＝18。
其中，a为2～4厘米。例如，在实际操作过程中，可以选择，a＝2、a＝2.5、a＝3、a＝3.3、a＝3.8或a＝4厘米。
其中，b为3～5厘米。例如，在实际操作过程中，可以选择，b＝3、b＝3.5、b＝3、b＝4.3、b＝4.8或b＝5厘米。
在此条件下，转子搅拌杆(4)的啮合齿与传动齿轮(6)的齿咬合沿着传动齿轮(6)的轨道转动。合金制浆过程中，转子搅拌杆(4)易被腐蚀损害，转子搅拌杆(4)与传动齿轮(6)啮合连接，拆装方便，易于转子搅拌杆(4)的拆换维修，可通过更换转子搅拌杆(4)的方法延长整个装置的使用寿命，提高了转子搅拌杆(4)与传动齿轮(6)的安装精度，使得转子搅拌杆(4)沿着传动齿轮(6)的轨迹运转，在公转产生的离心力作用于制浆槽(2)中的制浆液(3)，破坏制浆液(3)的固化过程，加速制浆液(3)形成半固态浆料的时间。
优选地，转子搅拌机(1)包括自搅拌筒(9)向制浆槽(2)内部延伸的至少三个转子搅拌杆(4)，搅拌筒(9)面向制浆槽(2)的一端面设置有至少三个传动齿轮(6)，至少三个转子搅拌杆(4)与至少三个传动齿轮(6)一一对应并与至少三个传动齿轮(6)啮合连接，每个转子搅拌杆(4)自转旋转的同时沿着传动齿轮(6)的平面轨迹公转，至少三个转子搅拌杆(4)自转与公转同时运行将制浆槽(2)内的制浆液(3)搅拌成半固态浆料，制备得到的半固态浆料的晶粒尺寸为35～50微米，半固态浆料的晶粒元整度在0.85～0.95之间。在此条件下，转子搅拌杆(4)转动时能同时转动制浆槽(2)中的95％以上的制浆液(3)，使制浆液(3)运动更加充分，制备得到的半固态浆料尺寸更小、晶粒元整度更高、还能缩短制浆时间。
转子搅拌杆(4)向制浆槽(2)的延伸深度为制浆槽(2)高度的二分之一到三分之二，优选地，转子搅拌杆(4)向制浆槽(2)的延伸深度为制浆槽(2)高度的十二分之七到三分之二，在此条件下的转子搅拌杆(4)能够在最大程度的转动制浆液(3)，避免转子搅拌杆(4)长度不够使得制浆槽(2)底部的制浆液(3)得不到充分搅拌，固化成型影响半固态浆料搅拌效率，同时避免了转子搅拌杆(4)的长度太长导致搅拌过程中制浆液(3)过度翻滚卷入空气或其它杂质进入制浆液(3)影响制备得到的半固态浆料的质量。例如，在实际应用过程中，转子搅拌杆(4)向制浆槽(2)的延伸深度为制浆槽(2)高度的十二分之七或三分之二。
转子搅拌杆(4)的自转转速为1000～2000转/分钟，优选地，转子搅拌杆(4)的自转转 速为1200～2000转/分钟，在此条件下，制备得到的半固态浆晶粒形核更加均匀。在半固态浆料中固相晶粒占比达到50～70％，是包含细小均匀固相颗粒的优质半固态浆料。例如，在实际操作过程中，可以选择转子搅拌杆(4)的自转转速为1200转/分钟、1400转/分钟、1600转/分钟、1800转/分钟或2000转/分钟。
转子搅拌杆(4)沿着传动齿轮(6)的平面轨迹公转的公转速度为100～200转/分钟，优选地，转子搅拌杆(4)沿着传动齿轮(6)的平面轨迹公转的公转速度为120～180转/分钟，在此条件下，转子搅拌杆(4)在制浆槽(2)中任意位置都能够产生搅拌力，充分破坏制浆液(3)在结晶并向内生长为初生的枝晶的过程，避免制浆液(3)在制浆槽(2)的槽壁上结晶导致制浆不均匀的情况。
转子搅拌杆(4)为中空结构，转子搅拌杆(4)的外壁直径为50～70毫米，转子搅拌杆(4)的内壁直径为30～50毫米。优选地，转子搅拌杆(4)的外壁直径为60～70毫米，转子搅拌杆(4)的内壁直径为30～40毫米，在此条件下，转子搅拌杆(4)与制浆液(3)的接触面积更大，较少搅拌时间、节约工艺周期。例如，在实际操作过程中，可以选择，转子搅拌杆(4)的外壁直径为60毫米，转子搅拌杆(4)的内壁直径为30毫米、外壁直径为65毫米，转子搅拌杆(4)的内壁直径为35毫米或外壁直径为70毫米，转子搅拌杆(4)的内壁直径为40毫米。
优选地，转子搅拌杆(4)由石墨制成，在此条件下，尽量避免转子搅拌杆(4)倍制浆液(3)高温腐蚀，演唱转子搅拌杆(4)的使用寿命，提高设备利用率避免转子搅拌杆(4)被腐蚀造成制浆液(3)污染。
转子搅拌杆(4)的内腔设置有贯穿搅拌筒(9)向搅拌槽延伸的铜管(5)，铜管(5)的外径为10～20毫米，内径为1.5～5毫米，铜管(5)用于向制浆槽(2)内的制浆液(3)中通入压缩氩气。优选地，铜管(5)的外径为15～20毫米，内径为3～5毫米。例如，在实际操作过程中，可以选择铜管(5)的外径为15毫米，内径为3毫米、外径为16毫米，内径为3.5毫米、外径为17毫米，内径为4毫米、外径为18毫米，内径为4.5毫米或外径为20毫米，内径为5毫米。
制浆液(3)为加热至熔融的金属熔液、合金熔液或含有40％以上的金属或者合金的复合材料熔液，优选地，制浆液(3)为铝合金液、镁合金液、铜合金液、钛合金液中的一种或以上，在此条件下制备得到的半固态浆料压铸成型率高，得到的压铸铸件质量更轻、壁厚更薄。同时具有良好的机械性能，如强度和拉伸度，以及良好的的导电导热性。
制浆槽(2)内可制备20～80千克的半固态浆料，制浆槽(2)不同位置的半固态浆料的温度偏差为3摄氏度以下。优选地，制浆槽(2)内制备20～60千克的半固态浆料，在此条件下制备得到的半固态浆料制浆槽(2)不同位置的半固态浆料的温度偏差为1.5摄氏度以下。例如，在实际操作过程中，可以选择制备20、30、40、50或60千克的半固态浆料。
制浆槽(2)内设置有永久磁铁，永久磁铁产生磁场力推动制浆槽(2)内的制浆液(3)进行电磁搅拌。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括……”限定的要素，并不排除在包括要素的物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案而非限制，仅仅参照较佳实施例对本发明进行了详细说明。本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。
工业实用性
1、本发明的半固态浆料的制浆装置不需加晶粒细化剂即可获得细晶粒组织，消除了传统铸造中的柱状晶和粗大树枝晶，成形温度低，生产营运成本降低，节省能源。
2、本发明的半固态浆料的制浆装置制备得到的半固态浆料制的工业铸件成形后尺寸精度高，加工余量小、充型能力强。
3、本发明的半固态浆料的制浆装置的制浆槽中进一步设置有永久磁铁以产生电磁力推动制浆槽内的制浆液运动进行电磁搅拌，使得制浆液的搅拌更加充分均匀，制浆时间更短且进一步减少制浆液在制浆槽上固化的问题。
4、本发明的半固态浆料的制浆装置将机械搅拌与电磁搅拌结合，提供了半固态浆料搅拌成型的新思路，得到了意想不到的效果。制备得到的半固态浆料晶粒圆整度更高达到88～96％，晶粒细小分布更加均匀，制浆槽不同位置的半固态浆料的温度偏差为1.5摄氏度以下。

Claims (10)

  1. 一种半固态浆料的制浆装置，其特征在于，包括转子搅拌机(1)以及制浆槽(2)，所述转子搅拌机(1)包括搅拌筒(9)以及自所述搅拌筒(9)向所述制浆槽(2)内部延伸的至少一个转子搅拌杆(4)，所述搅拌筒(9)内部设置有用于驱动所述至少一个转子搅拌杆(4)自转旋转的驱动装置，所述搅拌筒(9)面向所述制浆槽(2)的一端面设置有传动齿轮(6)，所述至少一个转子搅拌杆(4)与所述传动齿轮(6)啮合连接，所述至少一个转子搅拌杆(4)自转旋转的同时沿着所述传动齿轮(6)的平面轨迹公转；
    所述传动齿轮(6)上设置有n个齿，相邻的前齿和后齿之间的间距为a，每个齿的齿宽为b；
    所述至少一个转子搅拌杆(4)与所述传动齿轮的(6)连接的一端设置有与所述传动齿轮(6)配套的啮合齿，每个所述转子搅拌杆(4)包括m个啮合齿，相邻的前啮合齿和后啮合齿之间的间距为b，每个所述啮合齿的齿宽为a；
    所述至少一个转子搅拌杆(4)自转与公转同时运行将所述制浆槽(2)内的制浆液(3)搅拌成半固态浆料，制备得到的所述半固态浆料的晶粒尺寸为30～50微米，所述半固态浆料的晶粒元整度在0.80～0.95之间。
  2. 根据权利要求1所述的半固态浆料的制浆装置，其特征在于，
    所述n为500～2000；
    所述m为10～20；
    所述a为2～4厘米；
    所述b为3～5厘米。
  3. 根据权利要求1所述的半固态浆料的制浆装置，其特征在于，所述转子搅拌杆(4)向所述制浆槽(2)的延伸深度为所述制浆槽(2)高度的二分之一到三分之二。
  4. 根据权利要求1所述的半固态浆料的制浆装置，其特征在于，所述转子搅拌杆(4)的自转转速为1000～2000转/分钟，所述转子搅拌杆(4)沿着所述传动齿轮(6)的平面轨迹公转的公转速度为100～200转/分钟。
  5. 根据权利要求4所述的半固态浆料的制浆装置，其特征在于，所述转子搅拌杆(4)为中空结构，所述转子搅拌杆(4)的外壁直径为50～70毫米，所述转子搅拌杆(4)的内壁直径为30～50毫米。
  6. 根据权利要求5所述的半固态浆料的制浆装置，其特征在于，所述转子搅拌杆(4)的内腔设置有贯穿所述搅拌筒(9)向所述搅拌槽延伸的铜管(5)，所述铜管(5)的外径为10～20毫米，内径为1.5～5毫米，所述铜管(5)用于向所述制浆槽(2)内的制浆液(3)中通入压缩氩气。
  7. 根据权利要求1所述的半固态浆料的制浆装置，其特征在于，制浆液(3)为加热至熔融的金属熔液、合金熔液或含有40％以上的金属或者合金的复合材料熔液。
  8. 根据权利要求1所述的半固态浆料的制浆装置，其特征在于，所述转子搅拌机(1)包括自所述搅拌筒(9)向所述制浆槽(2)内部延伸的至少三个转子搅拌杆(4)，所述搅拌筒(9)面向所述制浆槽(2)的一端面设置有至少三个传动齿轮(6)，所述至少三个转子搅拌杆(4)与所述至少三个传动齿轮(6)一一对应并与所述至少三个传动齿轮(6)啮合连接，每个所述转子搅拌杆(4)自转旋转的同时沿着所述传动齿轮(6)的平面轨迹公转，每个所述转子搅拌杆(4)的自转转速为1200～2000转/分钟，每个所述转子搅拌杆(4)沿着对应的每个所述传动齿轮(6)的平面轨迹公转的公转速度为120～180转/分钟，所述至少三个转子搅拌杆(4)自转与公转同时运行将所述制浆槽(2)内的制浆液(3)搅拌成半固态浆料，制备得到的所述半固态浆料的晶粒尺寸为35～50微米，所述半固态浆料的晶粒元整度在0.85～0.95之间。
  9. 根据权利要求1或8所述的半固态浆料的制浆装置，其特征在于，所述制浆槽(2)内可制备20～80千克的半固态浆料，所述制浆槽(2)不同位置的半固态浆料的温度偏差为3摄氏度以下。
  10. 根据权利要求1或8所述的半固态浆料的制浆装置，其特征在于，所述制浆槽(2)内设置有永久磁铁，所述永久磁铁产生磁场力推动所述制浆槽(2)内的制浆液(3)进行电磁搅拌。
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