CN117086288A - Low-pressure casting device for aluminum alloy pipeline and application method of low-pressure casting device - Google Patents
Low-pressure casting device for aluminum alloy pipeline and application method of low-pressure casting device Download PDFInfo
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- CN117086288A CN117086288A CN202311326713.2A CN202311326713A CN117086288A CN 117086288 A CN117086288 A CN 117086288A CN 202311326713 A CN202311326713 A CN 202311326713A CN 117086288 A CN117086288 A CN 117086288A
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- 238000005266 casting Methods 0.000 title claims abstract description 52
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 113
- 238000007789 sealing Methods 0.000 claims description 42
- 230000008093 supporting effect Effects 0.000 claims description 27
- 238000004512 die casting Methods 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- -1 aerospace Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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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
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of low-pressure casting, in particular to a low-pressure casting device for an aluminum alloy pipe and a use method thereof, which solve the problems that the existing low-pressure casting technology is inconvenient to rapidly demould the pipe in the preparation process of the aluminum alloy pipe, only one piece can be produced by single casting, the casting efficiency is low and the like. The utility model provides an aluminum alloy pipeline low pressure casting device and application method thereof, includes one-way material mechanism that annotates, one side of one-way material mechanism that annotates is installed the pressure boost guide mechanism, a plurality of pipeline splice mould are installed to one side of pressure boost guide mechanism, and a plurality of the rotation support mechanism is installed in the outside at pipeline splice mould middle part, pressure boost guide mechanism is connected through a plurality of pipeline splice mould with rotation support mechanism. According to the invention, the aluminum alloy pipe can be rapidly demolded by combining, splicing and rotating and adjusting the casting die, a plurality of aluminum alloy pipes can be formed by single casting, and the casting efficiency is high.
Description
Technical Field
The invention relates to the technical field of low-pressure casting, in particular to a low-pressure casting device for an aluminum alloy pipeline and a use method thereof.
Background
The aluminum alloy pipe is one of seamless steel pipes, and has performance much higher than that of a common seamless steel pipe, because the steel pipe contains more Cr, the steel pipe has high temperature resistance, low temperature resistance and corrosion resistance which are superior to those of other seamless steel pipes, the inner surface is smooth, and the self-oxidation layer is corrosion resistant; the compressed air pressure loss is small, and the energy is saved, so the alloy pipe has wider application in industries such as petroleum, aerospace, chemical industry, electric power, boilers, military industry and the like, a low-pressure casting process is needed in the preparation process of the aluminum alloy pipe, and the low-pressure casting refers to a casting method that a casting mould is generally arranged above a sealed crucible, compressed air is introduced into the crucible, low pressure is caused on the surface of molten metal, and molten metal is lifted by a lift pipe to fill the casting mould and control solidification.
The existing low-pressure casting technology is inconvenient to quickly demould the pipeline in the preparation process of the aluminum alloy pipe, only one piece can be produced by single casting, and the casting efficiency is low; therefore, the existing requirements are not met, and for this reason we propose an aluminum alloy pipeline low pressure casting device and a use method thereof.
Disclosure of Invention
The invention aims to provide a low-pressure casting device for an aluminum alloy pipe and a use method thereof, which are used for solving the problems that the existing low-pressure casting technology in the background art is inconvenient to rapidly demould the pipe in the preparation process of the aluminum alloy pipe, only one piece can be produced by single casting, the casting efficiency is low and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions: the low-pressure casting device for the aluminum alloy pipeline comprises a unidirectional material injection mechanism, wherein a pressurizing and guiding mechanism is arranged on one side of the unidirectional material injection mechanism, a plurality of pipeline splicing dies are arranged on one side of the pressurizing and guiding mechanism, a rotary supporting mechanism is arranged on the outer side of the middle part of each pipeline splicing die, and the pressurizing and guiding mechanism is connected with the rotary supporting mechanism through a plurality of pipeline splicing dies;
the supercharging guide mechanism comprises a supercharging box, a separation sealing seat is fixedly arranged on the inner side of the supercharging box, a plurality of curved conveying pipes are arranged on one side of the separation sealing seat, conveying insertion pipes are connected to the outer side of one end of each curved conveying pipe in a sliding mode, two connecting discs are fixedly arranged on the outer side of each conveying insertion pipe, a transmission angle plate is arranged on the inner side of each connecting disc, an air cylinder is fixedly arranged on the upper end of each transmission angle plate, guide rods are arranged at two ends of each transmission angle plate, a heat insulation air guide pipe is arranged on the upper end face of each supercharging box, and an air injection pipe is arranged at the upper end of each heat insulation air guide pipe;
the rotary supporting mechanism comprises a supporting frame, two rotary retaining rings are fixedly arranged at the upper end of the supporting frame, a second transmission motor is fixedly arranged at one side of each rotary retaining ring, a transmission disc is connected to the inner side of each rotary retaining ring in a rotating mode, four limiting clamping plates are fixedly arranged at the outer sides of each rotary retaining ring, a hydraulic rod is fixedly arranged at one side of each transmission disc, a connecting transverse plate is fixedly arranged at the upper end of each hydraulic rod, two movable clamping hoops are fixedly arranged at the middle of each connecting transverse plate, a fixing clamp is arranged below each movable clamping hoop, and a connecting rod is arranged at the inner sides of the fixing clamps.
Preferably, the unidirectional material injection mechanism comprises a sealing cover, a plurality of oblique input boxes are fixedly arranged on the inner side of the sealing cover, an increment Wen Gan is arranged on one side of the sealing cover, a material stirring frame is rotatably connected on the inner side of the oblique input boxes, a transmission shaft is fixedly arranged on the inner side of the material stirring frame, a first transmission motor is fixedly arranged at one end of the sealing cover, and the output end of the first transmission motor is connected with the transmission shaft through a coupling.
Preferably, the pipeline splicing mould comprises end plugging plates, two semicircular mould shells are arranged on one side of each end plugging plate, a semicircular mould inner shell is arranged on the inner side of each semicircular mould shell, a die-casting forming cavity is formed in each semicircular mould shell and the inner side of each semicircular mould inner shell, and a semicircular connecting tube head is fixedly arranged at the bottom end of each semicircular mould shell.
Preferably, the upper ends of the semicircular mold outer shell and the semicircular mold inner shell are connected and fixed with the end plugging plate through pins, the semicircular mold outer shell is welded and fixed with the side edges of the semicircular mold inner shell, the semicircular mold outer shells are equally divided into two groups, one group of semicircular mold outer shells is fixed with two movable hoops through screw connection, the other group of semicircular mold outer shells is welded and fixed with two fixed hoops, and the movable hoops are welded and fixed with the connecting transverse plate.
Preferably, the output end of the hydraulic rod is fixedly connected with two ends of the connecting transverse plate through screws, two ends of the connecting rod penetrate through the fixed clamp and are fixedly connected with the transmission disc through screws, the transmission disc is fixedly connected with the fixed clamp through the connecting rod, a transmission gear ring is arranged on the inner side of the transmission disc, and the output end of the second transmission motor penetrates through the rotary retaining ring and is connected with the transmission gear ring through a gear.
Preferably, the bottom of semi-circular mould shell is equipped with the water conservancy diversion hole, the inside and the die-casting forming chamber of semi-circular connecting tube head pass through water conservancy diversion hole through connection, the inboard of material conveying intubate upper end is pegged graft to the bottom of semi-circular connecting tube head, material conveying intubate and connection pad welded fastening, a plurality of the connection pad equally divide into two sets ofly, the bottom of transmission angle plate is pegged graft to the inboard of two sets of connection pads, one side of transmission angle plate is equipped with waist type hole, the bottom of material conveying intubate runs through waist type hole and peg graft to the inboard of bent conveying pipeline and plenum chamber.
Preferably, the pressurizing box is fixedly connected with the sealing cover through a screw, the sealing cover and the inner side of the separation sealing seat are provided with pressurizing cabins, the curved conveying pipe is in through connection with the pressurizing cabins, and the bottom end of the gas injection pipe is connected with the pressurizing box through a heat insulation gas guide pipe.
Preferably, both ends of the transmission angle plate are in sliding connection with the pressurizing box through guide rods, the upper end of the middle part of the transmission angle plate is fixedly connected with the output end of the air cylinder through screws, and the air cylinder is fixedly connected with the pressurizing box through screws.
Preferably, an electric heating resistance wire is arranged in the heating rod, the sealing cover is fixedly welded with the inclined input box, and one end of the transmission shaft penetrates through the inclined input box and is connected with the material shifting frame through a flat key.
A method of using a low pressure casting apparatus, the method of using a low pressure casting apparatus comprising the steps of:
s1: the method comprises the steps that a plurality of semicircular mould outer shells and semicircular mould inner shells are equally divided into two groups, the two groups of semicircular mould outer shells are fixedly connected with a movable clamp and a fixed clamp, so that the adjacent two semicircular mould outer shells can be mutually spliced and assembled through fixedly mounting the fixed clamp and the movable clamp, a die-casting cavity is formed in the inner sides of the semicircular mould outer shells and the semicircular mould inner shells, aluminum alloy liquid is injected into an oblique input box, a first transmission motor is started, and a stirring rack is driven by the first transmission motor to rotate in the inner side of the oblique input box through a transmission shaft under the supporting effect of a sealing cover, so that stirring of molten metal is realized;
s2: the inner sides of the sealing cover and the separation sealing seat are provided with pressurizing cabins, so that the gas injection pipe performs gas injection pressurizing operation on the inner sides of the pressurizing cabins through the heat insulation gas guide pipe, the die casting forming cavity, the semicircular connecting pipe head, the material conveying insertion pipe and the curved material conveying pipe are in through connection, when the molten metal is pressurized, the material shifting frame performs one-way blocking on the inclined input box, and then the molten metal is conveyed to the inner sides of the die casting forming cavity through the guide of the curved material conveying pipe, the material conveying insertion pipe and the semicircular connecting pipe head in sequence, so that the low-pressure casting operation on the aluminum alloy pipeline is realized;
s3: after the aluminum alloy pipe is cooled and molded, starting the air cylinder, wherein a waist-shaped hole is formed in one side of a transmission angle plate, and a material conveying insertion pipe penetrates through the waist-shaped hole and is inserted into the inner sides of the curved material conveying pipe and the pressurizing box, so that the air cylinder drives the material conveying insertion pipe to slide on the inner sides of the pressurizing box and the curved material conveying pipe through the transmission angle plate under the supporting action of the pressurizing box, and the separation of the material conveying insertion pipe and the semicircular connecting pipe head is realized;
s4: at the moment, a second transmission motor is started, a transmission gear ring is arranged on the inner side of a transmission disc, the output end of the second transmission motor penetrates through a rotary retaining ring and is connected with the transmission gear ring through a gear, the second transmission motor drives the transmission disc to rotate on the inner side of the rotary retaining ring through the gear and the transmission gear ring under the supporting action of the rotary retaining ring, the transmission disc is fixedly connected with a fixed clamp through a connecting rod, the transmission disc is fixedly connected with a movable clamp through a hydraulic rod and a connecting transverse plate, and the transmission disc can drive a plurality of pipeline splicing dies to synchronously rotate anticlockwise through the fixed clamp and the movable clamp;
s5: the outside at rotatory retainer ring is fixed with spacing cardboard for can carry out spacingly to the connecting rod through spacing cardboard, keep pipeline concatenation mould rotation angle's stability, separate tip shutoff board and semi-circular mould shell and semi-circular mould inner shell, start the hydraulic stem, make the hydraulic stem drive two sets of semi-circular mould shells mutually separating through connecting diaphragm and activity clamp under the supporting role of driving disk, realize taking out die-casting shaping intracavity side fashioned aluminum alloy pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a die-casting molding cavity is formed through the inner sides of the semicircular mold outer shell and the semicircular mold inner shell, the first transmission motor drives the stirring frame to rotate at the inner side of the inclined input box through the transmission shaft and realize stirring of metal liquid, the gas injection pipe sequentially conveys gas injection metal liquid to the inner side of the pressurizing bin through the heat insulation gas guide pipe and the flow guide of the curved conveying pipe, the conveying pipe and the semicircular connecting pipe head to the inner side of the die-casting molding cavity, low-pressure casting operation of an aluminum alloy pipeline is realized, and the cylinder drives the conveying pipe to slide at the inner sides of the pressurizing box and the curved conveying pipe through the transmission angle plate, so that the conveying pipe and the semicircular connecting pipe head are separated;
2. according to the invention, the transmission disc is driven to rotate on the inner side of the rotary retaining ring through the second transmission motor, the transmission disc can drive the plurality of pipeline splicing dies to synchronously rotate anticlockwise through the fixed clamp and the movable clamp, the connecting rod can be limited through the limiting clamp plate, the rotation angle of the pipeline splicing dies is kept stable, the hydraulic rod drives the two groups of semicircular die shells to be separated from each other through the connecting transverse plate and the movable clamp, and the aluminum alloy pipeline formed on the inner side of the die-casting forming cavity is taken out.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear side view of the entirety of the present invention;
FIG. 3 is a schematic cross-sectional view of the plenum box of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of a boost guide of the present invention;
FIG. 5 is a schematic cross-sectional view of a rotary support mechanism according to the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of a pipe splicing mold according to the present invention;
fig. 7 is a schematic view of a partial cross-sectional structure of a semicircular mold housing of the present invention.
In the figure: 1. a pressurizing and guiding mechanism; 101. a pressurizing box; 102. a cylinder; 103. a guide rod; 104. a transmission angle plate; 105. a heat-insulating air duct; 106. an air injection pipe; 107. separating the sealing seat; 108. a connecting disc; 109. a material conveying and inserting pipe; 110. a curved feed delivery tube; 2. a unidirectional material injection mechanism; 201. sealing cover; 202. an oblique input box; 203. adding Wen Gan; 204. a first drive motor; 205. a transmission shaft; 206. a kick-out frame; 3. pipeline splicing mould; 301. an end closure plate; 302. a semicircular mold housing; 303. a semicircular connecting tube head; 304. a semicircular mold inner shell; 305. a die-casting molding cavity; 4. a rotary support mechanism; 401. a support frame; 402. rotating the retaining ring; 403. a second drive motor; 404. a connecting transverse plate; 405. fixing the clamp; 406. a movable clamp; 407. a drive plate; 408. a hydraulic rod; 409. a connecting rod; 410. and a limiting clamping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The cylinder 102 (model MGPL32-15-Y69 AL-X399), the first drive motor 204 (model YS 7134), the second drive motor 403 (model YEJ 3-112M-4) and the hydraulic lever 408 (model HOB80X 250-100) are all available commercially or custom made.
Referring to fig. 1 to 7, an embodiment of the present invention provides: the utility model provides an aluminum alloy pipeline low pressure casting device, includes one-way notes material mechanism 2, and pressure boost guide mechanism 1 is installed to one side of one-way notes material mechanism 2, and a plurality of pipeline splice mould 3 are installed to one side of pressure boost guide mechanism 1, and rotary support mechanism 4 is installed in the outside at the middle part of a plurality of pipeline splice mould 3, and pressure boost guide mechanism 1 and rotary support mechanism 4 pass through a plurality of pipeline splice mould 3 and connect;
the aluminum alloy pipe can be quickly demoulded through combination and splicing and rotation adjustment of the casting die, and multiple aluminum alloy pipes can be molded through single casting, so that the casting efficiency is high.
Referring to fig. 4 to 7, the pipe splicing mold 3 includes end plugging plates 301, two semicircular mold outer shells 302 are mounted on one side of each end plugging plate 301, a semicircular mold inner shell 304 is mounted on the inner side of each semicircular mold outer shell 302, a die-casting molding cavity 305 is formed between each two semicircular mold outer shells 302 and the inner side of each semicircular mold inner shell 304, a semicircular connecting pipe head 303 is fixedly mounted at the bottom end of each semicircular mold outer shell 302, the upper ends of each semicircular mold outer shell 302 and each semicircular mold inner shell 304 are fixedly connected with the end plugging plates 301 through pins, the semicircular mold outer shells 302 are fixedly welded with the side edges of each semicircular mold inner shell 304, a plurality of semicircular mold outer shells 302 are equally divided into two groups, and two adjacent semicircular mold outer shells 302 can be mutually spliced and assembled through fixedly mounting a fixed clamp 405 and a movable clamp 406, so that die-casting molding cavities are formed on the inner sides of each semicircular mold outer shell 302 and each semicircular mold inner shell 304.
Referring to fig. 1 to 4, a pressurizing and guiding mechanism 1 comprises a pressurizing box 101, wherein a separation sealing seat 107 is fixedly arranged on the inner side of the pressurizing box 101, a plurality of curved conveying pipes 110 are arranged on one side of the separation sealing seat 107, a conveying insertion pipe 109 is connected to the outer side of one end of each curved conveying pipe 110 in a sliding manner, two connecting discs 108 are fixedly arranged on the outer side of each conveying insertion pipe 109, a transmission angle plate 104 is arranged on the inner side of each connecting disc 108, and an air cylinder 102 is fixedly arranged on the upper end of each transmission angle plate 104;
guide rods 103 are arranged at two ends of a transmission angle plate 104, a heat insulation air guide pipe 105 is arranged at the upper end face of a pressurizing box 101, an air injection pipe 106 is arranged at the upper end of the heat insulation air guide pipe 105, a flow guide hole is arranged at the bottom end of a semicircular die shell 302, the inside of a semicircular connecting pipe head 303 is in through connection with a die casting forming cavity 305 through the flow guide hole, the bottom end of the semicircular connecting pipe head 303 is inserted into the inner side of the upper end of a material conveying pipe 109, the material conveying pipe 109 is welded and fixed with a connecting disc 108, a plurality of connecting discs 108 are equally divided into two groups, the bottom end of the transmission angle plate 104 is inserted into the inner sides of the two groups of connecting discs 108, a waist-shaped hole is arranged at one side of the transmission angle plate 104, the bottom end of the material conveying pipe 109 penetrates through the waist-shaped hole and is inserted into the inner sides of a curved material conveying pipe 110 and the pressurizing box 101, the pressurizing box 101 is connected and fixed with a sealing cover 201 through screws, and metal liquid sequentially passes through the curved material conveying pipe 110, the material conveying pipe 109 and the inner sides of the semicircular connecting pipe head 303 to the die casting forming cavity 305 in a flow guide mode, so that low-pressure casting operation of an aluminum alloy pipeline is realized;
the sealing cover 201 and the inner side of the separation sealing seat 107 are provided with a pressurizing bin, the curved material conveying pipe 110 is in through connection with the pressurizing bin, the bottom end of the gas injection pipe 106 is connected with the pressurizing box 101 through the heat insulation gas pipe 105, both ends of the transmission angle plate 104 are in sliding connection with the pressurizing box 101 through the guide rod 103, the upper end in the middle of the transmission angle plate 104 is fixedly connected with the output end of the cylinder 102 through a screw, the cylinder 102 is fixedly connected with the pressurizing box 101 through the screw, and the cylinder 102 drives the material conveying insertion pipe 109 to slide on the inner sides of the pressurizing box 101 and the curved material conveying pipe 110 through the transmission angle plate 104 under the supporting effect of the pressurizing box 101, so that the material conveying insertion pipe 109 is separated from the semicircular connecting pipe head 303;
referring to fig. 5, the rotary supporting mechanism 4 includes a supporting frame 401, two rotary retaining rings 402 are fixedly mounted at the upper end of the supporting frame 401, a second transmission motor 403 is fixedly mounted at one side of the rotary retaining rings 402, a transmission disc 407 is rotatably connected at the inner side of the rotary retaining rings 402, four limit clamping plates 410 are fixedly mounted at the outer sides of the two rotary retaining rings 402, a hydraulic rod 408 is fixedly mounted at one side of the transmission disc 407, a connecting transverse plate 404 is fixedly mounted at the upper ends of the two hydraulic rods 408, and two movable clamping clamps 406 are fixedly mounted at the middle part of the connecting transverse plate 404;
the fixed clamp 405 is installed to the below of movable clamp 406, connecting rod 409 is installed to the inboard of fixed clamp 405, wherein a set of semicircular mould shell 302 passes through screw connection with two movable clamps 406 and fixes, a set of semicircular mould shell 302 and two fixed clamps 405 welded fastening in addition, movable clamp 406 and connection diaphragm 404 welded fastening, the output of hydraulic rod 408 is fixed through screw connection with the both ends of connection diaphragm 404, fixed clamp 405 is run through at the both ends of connecting rod 409 and pass through the screw and connect fixedly with drive plate 407, drive plate 407 passes through connecting rod 409 with fixed clamp 405 and connects fixedly, the inboard of drive plate 407 is equipped with the transmission ring gear, the output of second driving motor 403 runs through rotatory holding ring 402 and is connected with the transmission ring gear through the gear, drive plate 407 can drive a plurality of pipeline splice moulds 3 through fixed clamp 405 and movable clamp 406 under the driving action of second driving motor 403 and carry out anticlockwise synchronous rotation, realize tip shutoff board 301 and semicircular mould shell 302 and semicircular mould inner shell 304 separation.
Referring to fig. 3 to 4, the unidirectional material injecting mechanism 2 includes a sealing cover 201, a plurality of oblique input boxes 202 are fixedly installed on the inner side of the sealing cover 201, a heating rod 203 is arranged on one side of the sealing cover 201, a material stirring frame 206 is rotatably connected on the inner side of the oblique input boxes 202, a transmission shaft 205 is fixedly installed on the inner side of the material stirring frame 206, a first transmission motor 204 is fixedly installed on one end of the sealing cover 201, an output end of the first transmission motor 204 is connected with the transmission shaft 205 through a coupling, an electric heating wire is arranged in the heating rod 203, the sealing cover 201 is fixedly welded with the oblique input boxes 202, one end of the transmission shaft 205 penetrates through the oblique input boxes 202 and is connected with the material stirring frame 206 through a flat key, and the first transmission motor 204 drives the material stirring frame 206 to rotate on the inner side of the oblique input boxes 202 under the supporting action of the sealing cover 201 and realize stirring of molten metal.
The application method of the low-pressure casting device comprises the following steps:
s1: dividing the plurality of semicircular mold outer shells 302 and the semicircular mold inner shells 304 into two groups equally, wherein the two groups of semicircular mold outer shells 302 are fixedly connected with the movable clamp 406 and the fixed clamp 405, so that the adjacent two semicircular mold outer shells 302 can be mutually spliced and assembled by fixedly installing the fixed clamp 405 and the movable clamp 406, the inner sides of the semicircular mold outer shells 302 and the semicircular mold inner shells 304 are formed into a die-casting cavity 305, aluminum alloy liquid is injected into the inclined input box 202, the first transmission motor 204 is started, and the first transmission motor 204 drives the stirring rack 206 to rotate at the inner side of the inclined input box 202 through the transmission shaft 205 under the supporting action of the sealing cover 201 and stirring of molten metal is realized;
s2: a pressurizing bin is arranged on the inner sides of the sealing cover 201 and the separation sealing seat 107, so that the gas injection pipe 106 performs gas injection pressurizing operation on the inner sides of the pressurizing bin through the heat insulation gas guide pipe 105, the die casting cavity 305, the semicircular connecting pipe head 303, the material conveying insertion pipe 109 and the curved material conveying pipe 110 are connected in a penetrating manner, when pressurizing molten metal, the material shifting frame 206 performs unidirectional blocking on the inclined input box 202, and then the molten metal is conveyed to the inner sides of the die casting cavity 305 through the diversion of the curved material conveying pipe 110, the material conveying insertion pipe 109 and the semicircular connecting pipe head 303 in sequence, so that the low-pressure casting operation on an aluminum alloy pipeline is realized;
s3: after the aluminum alloy pipe is cooled and molded, the air cylinder 102 is started, one side of the transmission angle plate 104 is provided with a waist-shaped hole, and the material conveying insertion pipe 109 penetrates through the waist-shaped hole and is inserted into the inner sides of the curved material conveying pipe 110 and the pressurizing box 101, so that the air cylinder 102 drives the material conveying insertion pipe 109 to slide on the inner sides of the pressurizing box 101 and the curved material conveying pipe 110 through the transmission angle plate 104 under the supporting action of the pressurizing box 101, and the separation of the material conveying insertion pipe 109 and the semicircular connecting pipe head 303 is realized;
s4: at this time, the second transmission motor 403 is started, a transmission gear ring is arranged at the inner side of the transmission disc 407, and the output end of the second transmission motor 403 penetrates through the rotary retaining ring 402 and is connected with the transmission gear ring through a gear, so that the second transmission motor 403 drives the transmission disc 407 to rotate at the inner side of the rotary retaining ring 402 through the gear and the transmission gear ring under the supporting action of the rotary retaining ring 402, the transmission disc 407 is fixedly connected with the fixed clamp 405 through a connecting rod 409, the transmission disc 407 is fixedly connected with the movable clamp 406 through a hydraulic rod 408 and a connecting transverse plate 404, and the transmission disc 407 can drive a plurality of pipeline splicing dies 3 to synchronously rotate anticlockwise through the fixed clamp 405 and the movable clamp 406;
s5: the outside at rotatory retainer ring 402 is fixed with spacing cardboard 410 for can carry out spacingly to connecting rod 409 through spacing cardboard 410, keep pipeline splice mould 3 rotation angle's stability, separate tip shutoff board 301 and semi-circular mould shell 302 and semi-circular mould inner shell 304, start hydraulic stem 408, make hydraulic stem 408 drive two sets of semi-circular mould shells 302 mutual separation through connecting diaphragm 404 and movable clamp 406 under the supporting action of driving plate 407, realize taking out the inside fashioned aluminum alloy pipeline of die-casting shaping chamber 305.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an aluminum alloy pipeline low pressure casting device, includes one-way notes material mechanism (2), its characterized in that: one side of the unidirectional material injection mechanism (2) is provided with a pressurizing and guiding mechanism (1), one side of the pressurizing and guiding mechanism (1) is provided with a plurality of pipeline splicing dies (3), the outer sides of the middle parts of the pipeline splicing dies (3) are provided with rotary supporting mechanisms (4), and the pressurizing and guiding mechanism (1) is connected with the rotary supporting mechanisms (4) through the pipeline splicing dies (3);
the supercharging guide mechanism (1) comprises a supercharging box (101), a separation sealing seat (107) is fixedly arranged on the inner side of the supercharging box (101), a plurality of curved conveying pipes (110) are arranged on one side of the separation sealing seat (107), conveying insertion pipes (109) are connected to the outer side of one end of each curved conveying pipe (110) in a sliding mode, two connecting discs (108) are fixedly arranged on the outer side of each conveying insertion pipe (109), a transmission angle plate (104) is arranged on the inner side of each connecting disc (108), an air cylinder (102) is fixedly arranged on the upper end of each transmission angle plate (104), guide rods (103) are arranged at the two ends of each transmission angle plate (104), a heat insulation air guide pipe (105) is arranged on the upper end face of each supercharging box (101), and an air injection pipe (106) is arranged at the upper end of each heat insulation air guide pipe (105);
the rotary supporting mechanism (4) comprises a supporting frame (401), two rotary retaining rings (402) are fixedly arranged at the upper end of the supporting frame (401), a second transmission motor (403) is fixedly arranged at one side of each rotary retaining ring (402), a transmission disc (407) is rotatably connected to the inner side of each rotary retaining ring (402), four limiting clamping plates (410) are fixedly arranged at the outer side of each rotary retaining ring (402), a hydraulic rod (408) is fixedly arranged at one side of each transmission disc (407), a connecting transverse plate (404) is fixedly arranged at the upper end of each hydraulic rod (408), two movable clamping bands (406) are fixedly arranged at the middle part of each connecting transverse plate (404), a fixed clamping band (405) is arranged below each movable clamping band (406), and a connecting rod (409) is arranged at the inner side of each fixed clamping band (405).
2. An aluminum alloy pipe low pressure casting apparatus as defined in claim 1, wherein: the unidirectional material injection mechanism (2) comprises a sealing cover (201), a plurality of oblique input boxes (202) are fixedly arranged on the inner side of the sealing cover (201), a temperature increasing rod (203) is arranged on one side of the sealing cover (201), a material stirring frame (206) is rotatably connected on the inner side of the oblique input boxes (202), a transmission shaft (205) is fixedly arranged on the inner side of the material stirring frame (206), a first transmission motor (204) is fixedly arranged at one end of the sealing cover (201), and the output end of the first transmission motor (204) is connected with the transmission shaft (205) through a coupling.
3. An aluminum alloy pipe low pressure casting apparatus as defined in claim 1, wherein: the pipeline splicing mold (3) comprises end plugging plates (301), two semicircular mold outer shells (302) are arranged on one side of each end plugging plate (301), semicircular mold inner shells (304) are arranged on the inner sides of the semicircular mold outer shells (302), a die-casting forming cavity (305) is formed in the inner sides of each semicircular mold outer shell (302) and each semicircular mold inner shell (304), and semicircular connecting pipe heads (303) are fixedly arranged at the bottom ends of the semicircular mold outer shells (302).
4. A low pressure casting apparatus for aluminum alloy pipes as claimed in claim 3, wherein: the upper ends of the semicircular mold outer shell (302) and the semicircular mold inner shell (304) are connected and fixed with the end plugging plate (301) through pins, the semicircular mold outer shell (302) and the side edges of the semicircular mold inner shell (304) are welded and fixed, the semicircular mold outer shell (302) is equally divided into two groups, one group of semicircular mold outer shell (302) is connected and fixed with two movable hoops (406) through screws, the other group of semicircular mold outer shell (302) is welded and fixed with two fixed hoops (405), and the movable hoops (406) are welded and fixed with the connecting transverse plate (404).
5. An aluminum alloy pipe low pressure casting apparatus as defined in claim 1, wherein: the output of hydraulic stem (408) is all fixed through the screw connection with the both ends of connecting diaphragm (404), fixed clamp (405) are run through at the both ends of connecting rod (409) and are connected fixedly through screw and driving disc (407), driving disc (407) are connected fixedly through connecting rod (409) with fixed clamp (405), the inboard of driving disc (407) is equipped with the transmission ring gear, the output of second driving motor (403) runs through rotatory holding ring (402) and is connected with the transmission ring gear through the gear.
6. A low pressure casting apparatus for aluminum alloy pipes as claimed in claim 3, wherein: the bottom of semi-circular mould shell (302) is equipped with the water conservancy diversion hole, the inside and the die casting shaping chamber (305) of semi-circular connector (303) pass through water conservancy diversion hole through connection, the inboard of material conveying intubate (109) upper end is pegged graft to the bottom of semi-circular connector (303), material conveying intubate (109) and connection pad (108) welded fastening, a plurality of connection pad (108) divide into two sets ofly equally, the inboard of two sets of connection pads (108) is pegged graft to the bottom of transmission scute (104), one side of transmission scute (104) is equipped with waist type hole, the bottom of material conveying intubate (109) runs through waist type hole and pegs to the inboard of bent type conveying pipeline (110) and plenum chamber (101).
7. An aluminum alloy pipe low pressure casting apparatus as defined in claim 2, wherein: the pressurizing box (101) is fixedly connected with the sealing cover (201) through screws, a pressurizing bin is arranged on the inner side of the sealing cover (201) and the inner side of the separation sealing seat (107), the curved conveying pipe (110) is connected with the pressurizing bin in a penetrating mode, and the bottom end of the gas injection pipe (106) is connected with the pressurizing box (101) through a heat insulation gas guide pipe (105).
8. An aluminum alloy pipe low pressure casting apparatus as defined in claim 1, wherein: both ends of the transmission angle plate (104) are in sliding connection with the pressurizing box (101) through guide rods (103), the upper end of the middle part of the transmission angle plate (104) is fixedly connected with the output end of the air cylinder (102) through screws, and the air cylinder (102) is fixedly connected with the pressurizing box (101) through screws.
9. An aluminum alloy pipe low pressure casting apparatus as defined in claim 2, wherein: an electric heating resistance wire is arranged in the heating rod (203), the sealing cover (201) is welded and fixed with the inclined input box (202), and one end of the transmission shaft (205) penetrates through the inclined input box (202) and is connected with the material shifting frame (206) through a flat key.
10. A method of using a low pressure casting apparatus, characterized by: the using method of the low-pressure casting device comprises the following steps:
s1: dividing a plurality of semicircular mold outer shells (302) and semicircular mold inner shells (304) into two groups equally, wherein the two groups of semicircular mold outer shells (302) are fixedly connected with a movable clamp (406) and a fixed clamp (405), so that the two adjacent semicircular mold outer shells (302) can be mutually spliced and assembled by fixedly installing the fixed clamp (405) and the movable clamp (406), the inner sides of the semicircular mold outer shells (302) and the semicircular mold inner shells (304) form a die casting forming cavity (305), aluminum alloy liquid is injected into an inclined input box (202), a first transmission motor (204) is started, and the first transmission motor (204) drives a stirring rack (206) to rotate at the inner side of the inclined input box (202) under the supporting action of a sealing cover (201) through a transmission shaft (205) to stir molten metal;
s2: the sealing cover (201) and the inner side of the separation sealing seat (107) are provided with a pressurizing bin, so that the air injection pipe (106) carries out air injection pressurizing operation on the inner side of the pressurizing bin through the heat insulation air duct (105), the die casting forming cavity (305), the semicircular connecting pipe head (303), the material conveying insertion pipe (109) and the curved material conveying pipe (110) are connected in a penetrating manner, when the molten metal is pressurized, the inclined input box (202) is plugged in a one-way manner by the material stirring frame (206), and then the molten metal is conveyed to the inner side of the die casting forming cavity (305) through the diversion of the curved material conveying pipe (110), the material conveying insertion pipe (109) and the semicircular connecting pipe head (303) in sequence, so that the low-pressure casting operation on the aluminum alloy pipeline is realized;
s3: after the aluminum alloy pipe is cooled and molded, starting the air cylinder (102), wherein a waist-shaped hole is formed in one side of the transmission angle plate (104), and the material conveying insertion pipe (109) penetrates through the waist-shaped hole and is inserted into the inner sides of the curved material conveying pipe (110) and the pressurizing box (101), so that the air cylinder (102) drives the material conveying insertion pipe (109) to slide on the inner sides of the pressurizing box (101) and the curved material conveying pipe (110) under the supporting action of the pressurizing box (101) through the transmission angle plate (104), and the separation of the material conveying insertion pipe (109) and the semicircular connecting pipe head (303) is realized;
s4: at the moment, a second transmission motor (403) is started, a transmission gear ring is arranged at the inner side of a transmission disc (407), the output end of the second transmission motor (403) penetrates through a rotary retaining ring (402) and is connected with the transmission gear ring through a gear, the second transmission motor (403) drives the transmission disc (407) to rotate at the inner side of the rotary retaining ring (402) under the supporting action of the rotary retaining ring (402) through the gear and the transmission gear ring, the transmission disc (407) is fixedly connected with a fixed clamp (405) through a connecting rod (409), the transmission disc (407) is fixedly connected with a movable clamp (406) through a hydraulic rod (408) and a connecting transverse plate (404), and then the transmission disc (407) can drive a plurality of pipeline splicing dies (3) to synchronously rotate anticlockwise through the fixed clamp (405) and the movable clamp (406);
s5: the outside at rotatory retainer ring (402) is fixed with spacing cardboard (410) for can carry out spacingly to connecting rod (409) through spacing cardboard (410), keep pipeline splice mould (3) rotation angle's stability, separate tip shutoff board (301) and semi-circular mould shell (302) and semi-circular mould inner shell (304), start hydraulic stem (408), make hydraulic stem (408) drive two sets of semi-circular mould shells (302) mutually separated through connecting diaphragm (404) and movable clamp (406) under the supporting action of driving disk (407), realize taking out die-casting shaping chamber (305) inboard fashioned aluminum alloy pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311326713.2A CN117086288B (en) | 2023-10-13 | 2023-10-13 | Low-pressure casting device for aluminum alloy pipeline and application method of low-pressure casting device |
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| CN202311326713.2A CN117086288B (en) | 2023-10-13 | 2023-10-13 | Low-pressure casting device for aluminum alloy pipeline and application method of low-pressure casting device |
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| CN117086288B (en) | 2023-12-22 |
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