CN109865812B - Metal rheological purification pressure forming equipment - Google Patents

Metal rheological purification pressure forming equipment Download PDF

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CN109865812B
CN109865812B CN201910249647.0A CN201910249647A CN109865812B CN 109865812 B CN109865812 B CN 109865812B CN 201910249647 A CN201910249647 A CN 201910249647A CN 109865812 B CN109865812 B CN 109865812B
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box body
forming
pouring gate
hole
circular
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CN109865812A (en
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管仁国
白景元
张雪飞
金红梅
刘立忠
铁镝
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Northeastern University China
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Northeastern University China
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Abstract

A kind of metal flow changes and purifies the pressure forming equipment, in the field of metal material processing technology, including magnetic slag purifier, shearing residue filter and forming device, the discharge port of the magnetic slag purifier couples to inlet of the combined runner which shears the residue filter, the outlet of the combined runner which shears the residue filter couples to feed inlet of the forming device; the equipment can be used for processing various metals, continuously removing magnetic impurities, filtering slag inclusion and shearing metal fluid in one process, filling the mold at the bottom of a cavity and pressurizing downwards on a movable mold at the top, and finally preparing metal parts, plates and the like with uniform and fine grains. Whether the controllable inclined plate pouring gate of the neodymium iron boron permanent magnet plate has a magnetic impurity purification function or not is installed or removed, the titanium alloy screen can be installed or removed to add or remove a shearing and filtering function, the change of the shape of a part is realized through installing dies with different cavities, the modular design is realized, the process flow is short, and the production efficiency is far higher than that of the traditional liquid slag removal and then the forming and processing equipment.

Description

Metal rheological purification pressure forming equipment
Technical Field
The invention belongs to the technical field of metal material processing, and particularly relates to a metal rheological purification pressure forming device.
Background
The rheoforming process is to directly form the semi-solid slurry, so the rheoforming process has the advantages of energy saving, short flow, low production cost, high production efficiency, simple equipment, wide alloy range applicable to semi-solid processing and the like. Compared with high-pressure casting, vacuum die-casting and extrusion casting, the rheoforming can effectively reduce defects, and the material performance utilization rate is higher than that of similar casting parts. Compared with isothermal die forging or superplastic forging, the mass utilization rate of the rheoforming material is close to that of a high-pressure casting material, is much higher than that of the isothermal die forging or superplastic forging, and can form parts with complex shapes and larger sizes and reduce the tonnage and energy consumption of forming equipment. Therefore, rheoforming is known as one of the most potential forming techniques for metal materials in the 21 st century. The raw material used for the rheoforming is semisolid slurry with thixotropy, so that stable filling can be realized, and the entrainment of gas, oxide and coating is effectively avoided; the semi-solid slurry contains 40 to 60 percent of solid phase, and has small solidification shrinkage; the section size of the inner sprue of the die is large, so that the transfer of pressure and feeding of liquid metal are facilitated, shrinkage cavities are avoided, and heat cracks are reduced.
Theoretically, the rheologically formed material has the advantages of low defect, high density, high mechanical property, high consistency and the like. However, a great difference between theory and practice is caused by problems such as entanglement defects and intergranular segregation in the rheoforming. The inclusion defect is mainly generated in the preparation stage of the semi-solid slurry, and the intergranular segregation is generated in the forming stage of the semi-solid slurry. The essential difference between the rheoforming and the traditional forging and casting is that the used raw material is semisolid slurry with thixotropy, and the inclusion defect and the intergranular segregation are caused by the semisolid slurry, so the method is used for the purification process of the metal rheoforming, and prepares uniform and fine-grained plates, parts and the like with rare slag inclusion by pressure forming. The metal rheological purification pressure forming equipment has the advantages of compact structure, modular design, strong universality, good expansibility, high integration level, saving, environmental protection and high production efficiency, can continuously remove magnetic impurities, filter slag inclusion and shear metal fluid in one process so as to crush dendritic crystals, and finally adopts a pressure die to prepare required parts, plates and the like.
Disclosure of Invention
The invention aims to provide a metal rheological purification pressure forming device which can be used for processing various metals, continuously removing magnetic impurities, filtering slag inclusion and shearing metal fluid in one process, filling a mold at the bottom of a cavity and pressurizing downwards on a movable mold at the top to finally prepare metal parts, plates and the like with uniform and fine grains. The neodymium iron boron permanent magnet plate can be installed or removed to control whether the inclined plate pouring gate has a magnetic impurity purification function, the titanium alloy screen can be installed or removed to add or remove a shearing and filtering function, the change of the shape of a part can be completed through installing dies with different cavities, the modular design is simple and convenient to operate, the process flow is short, and the production efficiency is far higher than that of the traditional liquid slag removal and then the forming and processing equipment is carried out. Due to the modular design, the invention has strong flexibility, and can increase or reduce modules or realize the combination of a plurality of metal fluid treatment modes.
In order to achieve the purpose, the invention adopts the following technical scheme:
a metal rheological purification pressure forming device comprises a magnetic slag purification device, a residue shearing and filtering device and a forming device;
the magnetic slag purification device comprises a box body, a slurry overflow port, a discharge port, an inclined pouring gate, grooves, a long groove, a round through hole I, a neodymium iron boron permanent magnet plate and a handle, wherein the two side walls of the long side of the box body are respectively provided with the slurry overflow port and the long groove, one end of the long groove is connected with the slurry overflow port, the other end of the long groove extends to the bottom end of the box body, the round through hole I is arranged on the wall of the box body below the slurry overflow port, the inclined pouring gate is arranged in the inner cavity of the box body, the upper surface of the inclined pouring gate is provided with a plurality of grooves, one end of the inclined pouring gate, which is positioned in the inner cavity of the box body, is matched with the round through hole I on the side wall of the box body through a cylindrical pin, the other end of the inclined pouring gate is arranged on the box body, the tail end of the part of the inclined pouring gate, which, the metal fluid flows to the discharge hole along the inclined pouring gate, and under the action of the magnetic force of the neodymium iron boron permanent magnet plate, the magnetic slag in the metal fluid is attracted into the groove on the surface of the inclined pouring gate, so that the solid-liquid separation of the magnetic slag is completed;
the filter residue shearing device comprises a combined runner, a circular screen, a casing, a support, a single chain wheel, double chain wheels, a chain, a bent pipe, a U-shaped opening, support legs, a handle, support legs, a positioning sleeve, a bearing seat I, a barrier strip, a shaft sleeve, a bearing seat II, a rotating shaft, a support rod and a chain shaft, wherein the combined runner penetrates through the U-shaped opening in the casing, one end of the combined runner is connected with a feed inlet of a forming device, the other end of the combined runner is connected with a discharge outlet of a magnetic residue purification device, a gap is formed in one side, close to the magnetic residue purification device, of the combined runner, the support comprises two support legs and the handle, a stepped shaft is welded to the top of one support leg, the handle is partially sleeved on a excircle of the stepped shaft through a sleeve of the handle, one end of the handle is positioned through a shaft shoulder of the stepped shaft, the other end of the handle, and two support legs are symmetrically arranged, a barrier strip is welded between the two support legs, the sleeve of the handle is connected with one end of two bent pipes, the other ends of the two bent pipes are connected with a bearing seat I, the bearing seat I is connected with a rotating shaft through a bearing, the bearing seat I is fixedly installed with a bearing seat II through a bolt, a circular screen and a single chain wheel are sleeved on the outer circular surface of the rotating shaft, the machine shell is covered on the circular screen, the edge of the circular screen is located in a gap of a combined runner, the support is fixedly installed in a positioning sleeve of the machine shell through a front support leg, the support leg far away from one side of the magnetic slag purification device is welded with one end of a support rod, the other end of the support rod is provided with a chain shaft through a bearing, a double.
The forming device comprises baffle plates, a movable die, guide pillars, a forming box, an exhaust and slurry discharge port, a fixed die, a feed inlet, a demolding pillar, a circular through hole III and a lifting rod, wherein the bottom of the side wall of the forming box is provided with the feed inlet connected with the other end of the combined runner, the center of the side wall of the forming box, which is vertically arranged with the side wall of the feed inlet, is provided with the exhaust and slurry discharge port, the bottom plate of the forming box is symmetrically provided with the circular through hole II, the upper surface of the bottom plate at the inner side of the forming box is provided with the fixed die, the demolding pillar of the fixed die is inserted into the circular through hole II, the movable die is arranged in the forming box, the circular through hole III is respectively arranged on two wing plates of the movable die, the guide pillars are inserted into the circular through holes III, the bottoms of the guide pillars are fixedly arranged with the bottom plate at the outer side of the forming box, the, and the other baffle is fixedly installed on the side wall of the forming box, which is parallel to the side wall where the feed inlet is positioned, and the outer wall of the forming box is wound with a resistance wire.
A long hole is formed in one side of the baffle in the length direction, the long hole is in a twist shape, and a hook is arranged on the baffle below the long hole.
The included angle between the inclined pouring gate and the horizontal plane is 45-60 degrees, and the included angle between the central line of the long groove and the wide edge of the box body is 60-80 degrees.
The circular screen is a titanium alloy screen.
The invention has the beneficial effects that:
1. the equipment can be used for processing various metals, continuously removing magnetic impurities, filtering slag inclusion and shearing metal fluid in one process, filling the mold at the bottom of a cavity and pressurizing downwards on a movable mold at the top, and finally preparing metal parts, plates and the like with uniform and fine grains.
2. The neodymium iron boron permanent magnet plate can be installed or removed to control whether the inclined plate pouring gate has a magnetic impurity purification function, the titanium alloy screen can be installed or removed to add or remove a shearing and filtering function, the change of the shape of a part can be completed through installing dies with different cavities, the modular design is simple and convenient to operate, the process flow is short, and the production efficiency is far higher than that of the traditional liquid slag removal and then the forming and processing equipment is carried out.
3. Due to the modular design, the invention has strong flexibility, and can increase or reduce modules or realize the combination of a plurality of metal fluid treatment modes.
Drawings
FIG. 1 is a schematic view showing the overall structure of a molding apparatus of the present invention;
FIG. 2 is a front view showing the overall structure of the forming apparatus of the present invention;
FIG. 3 is a schematic view of the magnetic slag purifying apparatus according to the present invention;
FIG. 4 is a top view of the magnetic slag purifying apparatus according to the present invention;
FIG. 5 is a schematic view of the apparatus for shearing residue from a housing;
FIG. 6 is a front view of the structure of the residue shearing and filtering device;
FIG. 7 is a schematic view of a holder structure in the residue shearing apparatus according to the present invention;
FIG. 8 is a schematic view of a housing structure of the residue shearing and filtering device according to the present invention;
FIG. 9 is a schematic view of a combined flow channel structure of the residue filtering and shearing apparatus according to the present invention;
FIG. 10 is a three-dimensional schematic view of the forming apparatus of the present invention;
FIG. 11 is a schematic view of a forming apparatus according to the present invention;
FIG. 12 is a schematic view showing the structure of a movable mold of the molding apparatus of the present invention;
1-magnetic slag purification device, 101-box body, 102-slurry overflow port, 103-handle, 104-inclined pouring channel, 105-groove, 106-long groove, 107-round through hole I, 108-neodymium iron boron permanent magnet plate, 2-shearing residue filtering device, 201-combined runner, 202-round screen, 203-machine shell, 204-support, 205-single chain wheel, 206-double chain wheel, 207-chain, 208-elbow, 209-U-shaped opening, 210-support leg, 211-handle, 212-support leg, 213-positioning sleeve, 214-bearing seat I, 215-baffle bar, 216-shaft sleeve, 217-bearing seat II, 218-rotating shaft, 219-support rod, 220-chain shaft, 3-forming device and 301-baffle, 302-moving die, 303-guide post, 304-forming box, 305-exhaust and slurry discharge port, 306-fixed die, 307-feed port, 308-demoulding support, 309-circular through hole III, 310-lifting rod, 311-long hole, 312-hook and 313-thin runner.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-12, a metal rheological purification pressure forming device comprises a magnetic slag purification device 1, a shearing residue filtering device 2 and a forming device 3;
the magnetic slag purification device 1 comprises a box body 101, a slurry overflow port 102, a handle 103, an inclined pouring gate 104, a groove 105, a long groove 106, a round through hole I107 and a neodymium iron boron permanent magnet plate 108, wherein the two side walls of the long side of the box body 101 are respectively provided with the slurry overflow port 102 and the long groove 106, when the inclined pouring gate 104 is lifted to the side wall of the discharge port of the box body 101, the arranged slurry overflow port 102 prevents a metal fluid from being extruded to the upper surface of the box body 101 to hurt people, the slurry overflow port 102 is arranged to discharge redundant gas and partial metal fluid for recovery, thereby being beneficial to reducing the entrainment gas and slag entrapment of the metal fluid, being safe, saving and environment-friendly, an included angle between the central line of the long groove 106 and the wide side of the box body 101 is 60-80 degrees, being beneficial to the extension of the long groove 106, avoiding the interference between the long groove 106 and the box body 101, one end of the long groove 106 is connected with the, the wall of the box body 101 below the slurry overflow port 102 is provided with a circular through hole I107, an inclined pouring gate 104 is arranged in a rectangular groove of the box body 101, the inclined pouring gate 104 and the rectangular groove of the box body 101 are in transition fit, the transition fit can enable the inclined pouring gate 104 to smoothly rotate in the box body 101 without interfering with the box body 101 and causing a large amount of loss of melt, an included angle between the inclined pouring gate 104 and a horizontal plane is 45-60 degrees, the flow rate of metal melt is moderate in the angle range, not only can the magnetic impurities be fully precipitated, but also the melt can be prevented from large-area solidification, the upper surface of the inclined pouring gate 104 is provided with a plurality of grooves 105, one end of the inclined pouring gate 104, which is positioned in an inner cavity of the box body 101, is matched with the circular through hole I107 on the side wall of the box body 101 through a cylindrical pin, the other end, the lower surface of the inclined pouring gate 104 is provided with a neodymium iron boron permanent magnet plate 108, the bottom of the side wall of the box body 101 opposite to the inclined pouring gate 104 is provided with a discharge hole, the metal fluid is poured onto the inclined pouring gate 104 of the magnetic slag purification device 1, the metal fluid flows to the discharge hole along the inclined pouring gate 104, and under the action of the magnetic force of the neodymium iron boron permanent magnet plate 108, the magnetic slag in the metal fluid is attracted into a groove 105 on the surface of the inclined pouring gate 104, so that the solid-liquid separation of the magnetic slag is completed;
the residue shearing and filtering device 2 comprises a combined runner 201, a circular screen 202, a machine shell 203, a support 204, a single chain wheel 205, a double chain wheel 206, a chain 207, a bent pipe 208, a U-shaped opening 209, support legs 210, a handle 211, support legs 212, a positioning sleeve 213, a bearing seat I214, a baffle 215, a shaft sleeve 216, a bearing seat II 217, a rotating shaft 218, a support rod 219 and a chain shaft 220, wherein the combined runner 201 penetrates through the U-shaped opening 209 in the machine shell 203, the lower surface of the combined runner 201 is flush with the lower surface of the machine shell 203, one end of the combined runner 201 is connected with a feed inlet 307 of a forming device 3, the other end of the combined runner 201 is connected with a discharge outlet of a magnetic slag purification device 1, a box body 101 of the magnetic slag purification device 1 is clamped on a rectangular opening of a bottom plate of the machine shell 203, a gap is formed at one side, the top of one of the support legs 210 is welded with a stepped shaft, the handle 211 is partially sleeved on the outer circle of the stepped shaft through a sleeve thereof, one end of the handle 211 is positioned through a shaft shoulder of the stepped shaft, the other end of the handle 211 is positioned through a retaining ring 216 sleeved on the outer circle of the stepped shaft, the outer circle of the stepped shaft far away from the other end of the one support leg 210 is welded with the other support leg 210, the two support legs 210 are symmetrically arranged, a retaining strip 215 is welded between the two support legs 210, the retaining strip 215 is used for limiting the lowest rotation point of the bent pipe 208 and plays a role of supporting part of the structure of the bent pipe 208, the sleeve of the handle 211 is connected with one end of the two bent pipes 208, the other end of the two bent pipes 208 is connected with a bearing seat I214, the bearing seat I214 is connected with a rotating shaft 218 through a bearing, the bearing seat I214 is fixedly, circular screen 202 is the titanium alloy net, cuts, the filter residue through the inside metal fluid of combination formula runner 201 through circular screen 202 to broken dendrite, refine the crystalline grain and filter and press from both sides the sediment, casing 203 covers on circular screen 202, and the third department of circular screen 202 is located the gap of combination formula runner 201, support 204 is through preceding stabilizer blade 212 fixed mounting in the position sleeve 213 of casing 203, keep away from the welding of support leg 210 and bracing piece 219 one end of magnetic slag purifier 1 one side, the chain axle 220 is installed through the bearing to the bracing piece 219 other end, installs double sprocket 206 on the chain axle 220 excircle, installs chain 207 between double sprocket 206 and the single sprocket 205.
The forming device 3 comprises a baffle 301, a moving die 302, a guide post 303, a forming box 304, an exhaust slurry discharge port 305, a fixed die 306, a feed port 307, a demoulding support 308, a circular through hole III 309 and a lifting rod 310, the bottom of the side wall of the forming box 304 is provided with the feed port 307 connected with the other end of the combined runner 201, the center of the side wall of the forming box 304 vertically arranged with the side wall of the feed port 307 is provided with the exhaust slurry discharge port 305, the exhaust slurry discharge port 305 is horn-shaped, the small end of the exhaust slurry discharge port 305 is positioned at the inner surface of the side wall of the exhaust slurry discharge port 305, the large end is positioned at the outer surface of the side wall of the exhaust slurry discharge port 305, the exhaust slurry discharge port 305 is provided with a thin runner 313, which is beneficial to discharge redundant metal fluid, gas and the like of castings and plates, not only can the quality of the castings and plates be improved, but also large residual materials can be avoided, the forming box 304 is symmetrically provided with circular through holes II, the upper surface of the bottom plate at the inner side of the forming box 304 is provided with a fixed die 306, a demoulding support 308 of the fixed die 306 is inserted into the circular through hole II, the forming box 304 is internally provided with a movable die 302, two wing plates of the movable die 302 are respectively provided with a circular through hole III 309, a guide pillar 303 is inserted into the circular through hole III 309, the guide pillar 303 plays a role of positioning and guiding, the bottom end of the guide pillar 303 is fixedly installed with the bottom plate at the outer side of the forming box 304, the upper surfaces of the two wing plates are provided with lifting rods 310, the forming box 304 is internally provided with two baffle plates 301, one baffle plate 301 is fixedly installed with the side wall of the forming box 304 at the feed inlet 307 by adopting a convex surface with the lifting rod 310 at the top part and the circular through hole III guiding type movable die 302 to press a casting and a plate to form, so that demoulding is convenient and accurate guiding and positioning can be realized, raw, the other baffle 301 and the side wall of the forming box 304, where the feeding hole 307 is located, are fixedly installed, the baffle 301 is used for cutting off the feeding hole 307 of the forming box 304 to prevent backflow, the arrangement of the baffles 301 at the two ends is beneficial to improving the surface quality of castings and slabs, the demolding is convenient and rapid, and resistance wires are wound on the outer wall of the forming box 304.
The baffle 301 is characterized in that one side of the baffle 301 in the length direction is provided with a long hole 311, the long hole 311 is in a twist shape and matched with the shape of a finger of a person, the baffle 301 is convenient to lift and pull out, a hook 312 is arranged on the baffle 301 below the long hole 311, and the baffle 301 is fixedly installed on the side wall of the forming box 304 through the hook 312.
Example 1
Taking A356 cast aluminum alloy as an example, the forming process of the metal rheological purification pressure forming equipment comprises the following steps: firstly, operating in the magnetic slag purification device 1, pouring the A356 melt onto the inclined pouring gate 104 of the magnetic slag purification device 1, enabling the A356 melt to flow along the inclined pouring gate 104 to the discharge hole at the bottom of the side wall of the box body 101, enabling the magnetic slag in the A356 melt to be attracted into the groove 105 on the surface of the inclined pouring gate 104 under the magnetic force action of the neodymium iron boron permanent magnet plate 108, so as to complete solid-liquid separation of the magnetic slag, lifting the inclined pouring gate 104 through the handle 103 when the A356 melt is nearly completely flowed, enabling the rest A356 melt to flow to the discharge hole direction until the inclined pouring gate 104 is tightly attached to the side wall of the discharge hole, and discharging the rest A356 melt into a recovery vessel through the slurry overflow hole 102; then, the operation is carried out in the cutting residue filtering module 2, the A356 melt flows into the combined runner 201 connected with the discharge port and continues to flow, the power supply is switched on, the motor connected with the chain shaft 220 of the double chain wheel 206 through the coupler is started, the motor drives the double chain wheel 206 on the bracket 204 to rotate, the double chain wheel 206 drives the single chain wheel 205 to rotate through the chain 207, and further drives the circular screen 202 on the rotating shaft 218 where the single chain wheel 205 is located to rotate, the A356 melt is cut and filtered, the effects of crushing dendrites, refining grains and filtering slag inclusion are achieved, when the A356 melt is completely filled, namely all the metal fluid flows into the forming device 3, the power supply is switched off, the motor stops working, the handle 211 of the bracket 204 is pressed downwards, and the circular screen 202; finally, the operation is carried out in the forming device 3, one baffle plate 301 is arranged on the side wall of the feeding hole 307 of the forming box 304 so as to stop the backflow of the A356 melt, the movable die 302 is sleeved on the guide post 303 through four circular through holes III 309 on two wing plates, the movable die 302 is gradually pressed downwards and compacted and maintained in pressure, and gas and redundant A356 melt flow out to a recovery vessel through the exhaust and slurry discharge port 305; the resistance wire is electrified and heated outside the forming box 304, so that the internal and external temperatures of the A356 melt are close to each other, a casting with uniform internal and external crystal grains is obtained, and after the casting and the forming device 3 are completely cooled, the demoulding support 308 of the fixed mould 306 is pushed to take out the casting.

Claims (5)

1. The metal rheological purification pressure forming equipment is characterized by comprising a magnetic slag purification device, a residue shearing and filtering device and a forming device;
the magnetic slag purification device comprises a box body, a slurry overflow port, a discharge port, an inclined pouring gate, a groove, a long groove, a round through hole I, a neodymium iron boron permanent magnet plate and a handle, wherein the two side walls of the long side of the box body are provided with the slurry overflow port and the long groove, one end of the long groove is connected with the grout outlet, the other end extends to the bottom end of the box body, a circular through hole I is arranged on the wall of the box body below the grout outlet, the inner cavity of the box body is provided with an inclined pouring gate, the upper surface of the inclined pouring gate is provided with a plurality of grooves, the inclined pouring gate is positioned at one end of the inner cavity of the box body and is matched with a round through hole I on the side wall of the box body through a cylindrical pin, the other end of the inclined pouring gate is erected on the box body, a handle is arranged at the tail end of the part, extending out of the box body, of the inclined pouring gate, a neodymium iron boron permanent magnet plate is arranged on the lower surface of the inclined pouring gate, and a discharge hole is formed in the bottom of the side wall of the box body, opposite to the inclined pouring gate;
the filter residue shearing device comprises a combined runner, a circular screen, a casing, a support, a single chain wheel, double chain wheels, a chain, a bent pipe, a U-shaped opening, support legs, a handle, support legs, a positioning sleeve, a bearing seat I, a barrier strip, a barrier ring, a bearing seat II, a rotating shaft, a supporting rod and a chain shaft, wherein the combined runner penetrates through the U-shaped opening on the casing, one end of the combined runner is connected with a feed inlet of a forming device, the other end of the combined runner is connected with a discharge outlet of a magnetic residue purification device, a gap is formed in one side of the combined runner, which is close to the magnetic residue purification device, the support comprises two support legs and a handle, a stepped shaft is welded at the top of one support leg, the handle is sleeved on an excircle of the stepped shaft through a sleeve part of the handle, one end of a sleeve on the handle is, keep away from the step shaft excircle of one of them support leg other end and another support leg welding, and two support leg symmetries set up, the welding has the blend stop between two support legs, and the sleeve of handle links to each other with two return bend one end, and two return bend other ends link to each other with bearing frame I, and bearing frame I passes through the bearing and links to each other with the pivot, and bearing frame I passes through bolt and II fixed mounting of bearing frame, the cover is equipped with circular screen cloth and single chain wheel on the disc outside the pivot, the machine casing cover is on circular screen cloth, and the circular screen cloth edge is located the gap of combination formula runner, the support passes through preceding foot fixed mounting in the position sleeve of casing, keeps away from the support leg and the bracing piece one end welding of sediment purifier one side, and the chain axle is installed through the bearing to the bracing piece other end, installs double sprocket on.
2. A metallo-rheological purification pressure forming apparatus according to claim 1, characterized in that: the forming device comprises baffle plates, a movable die, guide pillars, a forming box, an exhaust and slurry discharge port, a fixed die, a feed inlet, a demolding pillar, a circular through hole III and a lifting rod, wherein the bottom of the side wall of the forming box is provided with the feed inlet connected with the other end of the combined runner, the center of the side wall of the forming box, which is vertically arranged with the side wall of the feed inlet, is provided with the exhaust and slurry discharge port, the bottom plate of the forming box is symmetrically provided with the circular through hole II, the upper surface of the bottom plate at the inner side of the forming box is provided with the fixed die, the demolding pillar of the fixed die is inserted into the circular through hole II, the movable die is arranged in the forming box, the circular through hole III is respectively arranged on two wing plates of the movable die, the guide pillars are inserted into the circular through holes III, the bottoms of the guide pillars are fixedly arranged with the bottom plate at the outer side of the forming box, the, and the other baffle is fixedly installed on the side wall of the forming box, which is parallel to the side wall where the feed inlet is positioned, and the outer wall of the forming box is wound with a resistance wire.
3. A metallo-rheological purification pressure forming apparatus according to claim 2, characterized in that: two baffle length direction one side has all seted up the slot hole, and the slot hole shape is the twist form, is provided with the couple on the baffle of slot hole below.
4. A metallo-rheological purification pressure forming apparatus according to claim 1, characterized in that: the included angle between the inclined pouring gate and the horizontal plane is 45-60 DEGoThe included angle between the central line of the long groove and the wide edge of the box body is 60-80 DEGo
5. A metallo-rheological purification pressure forming apparatus according to claim 1, characterized in that: the circular screen is a titanium alloy screen.
CN201910249647.0A 2019-03-29 2019-03-29 Metal rheological purification pressure forming equipment Active CN109865812B (en)

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