CN115255314B - High-density die-casting forming device and die-casting process for aluminum alloy die-casting piece - Google Patents
High-density die-casting forming device and die-casting process for aluminum alloy die-casting piece Download PDFInfo
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- CN115255314B CN115255314B CN202210974537.2A CN202210974537A CN115255314B CN 115255314 B CN115255314 B CN 115255314B CN 202210974537 A CN202210974537 A CN 202210974537A CN 115255314 B CN115255314 B CN 115255314B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/002—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure using movable moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- 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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- 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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
-
- 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
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
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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
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- Mechanical Engineering (AREA)
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- Casting Devices For Molds (AREA)
Abstract
The invention discloses a high-density die-casting forming device and a die-casting process of an aluminum alloy die-casting, and relates to the technical field of aluminum alloy die-casting. According to the invention, two dies are arranged on the rotating workbench, and the automatic feeding, die opening, cooling and demolding work of the aluminum alloy die casting is realized by matching with the feeding device, the cooling mechanism and the discharging mechanism, so that the efficiency of mass die casting production is improved.
Description
Technical Field
The invention relates to the technical field of aluminum alloy die casting, in particular to a high-density die casting forming device and a die casting process of an aluminum alloy die casting piece.
Background
Aluminum alloys are the most widely used class of nonferrous metal structural materials in industry, and have been used in a large number in the aerospace, automotive, mechanical manufacturing, marine and chemical industries.
In the production of traditional aluminum casting, solid metal materials are generally smelted into liquid metal, then the liquid metal is manually poured into a mold, and the mold is manually opened, cooled and demolded after a period of time, so that the mass die casting production efficiency is low.
Disclosure of Invention
The invention aims to solve the problems of the prior art, and provides a high-density die-casting forming device and a die-casting process for an aluminum alloy die-casting part.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the high-density die-casting forming device and the die-casting process of the aluminum alloy die-casting comprise a base, a workbench rotationally arranged at the top of the base, two dies symmetrically arranged at the left end and the right end of the workbench, a feeding device positioned at the right side of the workbench, a discharging mechanism positioned at the left side of the workbench and a cooling mechanism, wherein a rotating shaft is arranged at the bottom of the base and driven by a first motor, the first motor is electrically connected with a control panel, and a collecting box is arranged at the left side of the discharging mechanism;
the mould is including setting up in the bed die at workstation top and the last mould that is located the bed die top, it is connected with the pinion rack through the mounting bracket to go up the mould top, the workstation is embedded to be equipped with the guide cylinder, sliding connection about pinion rack and the guide cylinder inner wall, the bottom of pinion rack runs through the guide cylinder and is connected with first gear engagement, first gear is installed on the bull stick surface, the bull stick rotates and sets up in annular location cover, the bull stick is kept away from the one end of annular location cover center department and is provided with the second gear, semi-annular cushion is installed in annular location cover inner wall left side, semi-annular cushion surface is provided with a plurality of first tooth pieces with second gear engagement.
Further, the unloading mechanism comprises an installation seat arranged at the top of the base and a hollow rotating shaft rotatably arranged in the installation seat, a rotating seat is arranged at the top end of the hollow rotating shaft penetrating through the eccentric part of the installation seat, a clamping plate group is movably arranged at one end of the rotating seat far away from the hollow rotating shaft, and a clamping head group is arranged at the lower part of one end of the clamping plate group far away from the rotating seat; the lower part of hollow pivot installs the third gear, the third gear is connected with the fourth gear meshing, third gear and fourth gear all rotate with the mount pad inner wall and are connected, the fourth gear is located the right side of third gear, the lateral wall surface symmetry at both ends is provided with two sets of meshing portion groups about the workstation, meshing portion group specifically is a plurality of second tooth pieces with fourth gear meshing.
Further, splint group installs in slide top one end, the slide other end is connected with the ejector pad bottom, sliding connection about ejector pad and the swivel mount inner wall, install the second electric telescopic handle of drive ejector pad in the swivel mount inner wall, from the top down inlays in proper order in the swivel mount inner wall and is equipped with first pressure sensor, second pressure sensor and the third pressure sensor with the ejector pad contact, second electric telescopic handle, first pressure sensor, second pressure sensor and third pressure sensor all are connected with the control panel electricity, control panel installs in annular locating cover front surface.
Further, the splint group is including setting up in the rotation type splint at slide top and the fixed splint that is located rotation type splint rear side, rotation type splint passes through the second motor drive, the second motor is connected with the control panel electricity.
Further, the chuck group comprises a rotary chuck hinged to the rear side surface of the rotary clamping plate and a fixed chuck arranged on the front surface of the fixed clamping plate, and the rotary chuck is in contact with the fixed chuck.
Further, the cooling mechanism comprises a plurality of spray heads obliquely arranged on the surface of the swivel base, the spray heads and the clamping plate group are arranged on the same side, the spray heads are positioned above the clamping plate group, the spray heads are communicated with the inside of the hollow rotating shaft through an air outlet pipe, the lower part of the hollow rotating shaft is communicated with an air inlet pipe through an air storage ring, one end, far away from the air storage ring, of the air inlet pipe is communicated with a refrigerator, and a ball valve is arranged in the air inlet pipe;
the ball valve comprises a shell communicated with the air inlet pipe, a valve core arranged in the shell in a rotating mode, a stepped shaft is arranged at the top of the valve core, a fifth gear penetrates through the shell, and the fifth gear is meshed with the third gear.
Further, the upper end and the lower end of the gas storage ring are respectively connected with the surface of the hollow rotating shaft in a rotating way through sealing bearings, the surface of the hollow rotating shaft is provided with a gas passing port communicated with the gas storage ring, and the right side of the gas storage ring is connected with the inner wall of the mounting seat through a mounting plate.
Further, feed arrangement slides side by side and sets up in the fixing base top, the fixing base is installed at the base top, the fixing base top is installed and is used for promoting feed arrangement's first electric telescopic handle, first electric telescopic handle is connected with the control panel electricity.
Further, infrared emitters are embedded at the left end and the right end of the workbench, an infrared receiver matched with the infrared emitters is arranged on the surface of the feeding device, and the infrared receiver is electrically connected with the control panel;
the infrared receiver, the first pressure sensor, the second pressure sensor and the third pressure sensor are all electrically connected with the input end of the processor, the output end of the processor is electrically connected with the input end of the relay, and the output end of the relay is electrically connected with the first electric telescopic rod, the first motor, the second motor and the second electric telescopic rod respectively.
Further, the method comprises the following steps:
s1: firstly, setting feeding time of a feeding device, working starting time of a second electric telescopic rod and working resetting time of the second electric telescopic rod in a processor;
s2: starting a first motor to enable the first motor to rotate positively, driving a workbench to rotate, enabling a die on the left side of the workbench to rotate to the right side of the workbench, enabling an infrared emitter in the workbench to be aligned with an infrared receiver on the surface of a feeding device, enabling the infrared receiver to receive signals, enabling the infrared receiver to send the signals to a processor for processing, enabling the processor to send instructions to a relay to control the first motor to stop rotating, and simultaneously controlling a first electric telescopic rod to start, and enabling the feeding device to be pushed to slide close to the die;
s3: starting a feeding device to inject molten slurry into the die;
s4: after a period of time, when the feeding time arrives, the processor sends an instruction to the relay to control the first electric telescopic rod to reset, so that the feeding device is far away from the die, the first motor is controlled to rotate reversely, the die with molten slurry injected on the workbench is further driven to be far away from the feeding device and rotate to the left, the die with molten slurry not injected on the workbench is simultaneously rotated to the right, the infrared transmitter below the die with molten slurry not injected on the workbench is aligned with the infrared receiver on the surface of the feeding device, the infrared receiver receives a signal, the infrared receiver sends the signal to the processor to process, the processor sends the instruction to the relay to control the first motor to stop, the first electric telescopic rod is controlled to start, the feeding device is further pushed to slide close to the die, and the feeding device is further started to inject molten slurry into the die, so that the molten slurry is injected alternately left and right by the two dies on the workbench;
s5: in the process that the mould injected with molten slurry on the workbench rotates to the left, the second gear is meshed with a plurality of first tooth blocks on the semi-annular cushion block, so that the first gear is driven to rotate, the toothed plate is driven to move upwards, the upper mould is driven to be far away from the lower mould, and the mould opening work is completed;
s6: in the process that the mould for injecting molten slurry on the workbench rotates to the left, the second tooth block on the surface of the workbench is meshed with the fourth gear to rotate, so that the third gear is driven to rotate, the hollow rotating shaft is driven to rotate, the swivel mount is driven to rotate, the clamping plate group and the spray header are both close to the lower mould, the fifth gear is driven to rotate when the third gear rotates, the valve core is driven to enable cold air in the refrigerator to enter the hollow rotating shaft through the air inlet pipe and the air storage ring, the cold air enters the spray headers through the air outlet pipe, and finally the cold air is sprayed into the lower mould, so that the casting is cooled;
s7: after a period of time, when the working starting time arrives, the processor sends an instruction to the relay to control the second electric telescopic rod to start, so that the push block is driven to move downwards, the push block is in contact with the third pressure sensor, so that the third pressure sensor sends a signal to the processor, so that the processor sends an instruction to the relay to control the second electric telescopic rod to stop, the chuck group is close to the clamping position of the casting, the processor sends an instruction to the relay to control the second motor to start, the rotating clamping plate is driven to rotate to be close to the fixed clamping plate, the rotating clamping plate is close to the fixed clamping plate to clamp the casting, then the processor sends an instruction to the relay to control the second electric telescopic rod to move upwards, so that the push block is in contact with the first pressure sensor, so that the first pressure sensor sends a signal to the processor, so that the relay sends an instruction to control the second electric telescopic rod to stop, and the casting is demolded;
when the workbench rotates to the replacement position again after demolding, the second gear block on the workbench drives the rotary seat to reset through the matching of the fourth gear and the third gear, and then drives the casting to rotate, so that the casting is positioned above the collecting box;
s8: after a period of time, when the working reset time arrives, the processor sends an instruction to the relay, controls the second electric telescopic rod to reset, so that the push block is in contact with the second pressure sensor, and then the second pressure sensor sends a signal to the processor, and then the processor sends an instruction to the relay, controls the second motor to reset, and enables the rotary clamping plate to be far away from the fixed clamping plate, and further drives the rotary clamping plate to be far away from the fixed clamping plate, so that the casting falls into the collecting box;
meanwhile, when the second gear block on the workbench drives the rotary seat to reset through the cooperation of the fourth gear and the third gear, the third gear drives the fifth gear to reset, so that the valve core resets, and the spray header does not spray cold air any more.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, two dies are arranged on the rotating workbench, and the automatic feeding, die opening, cooling and demolding work of the aluminum alloy die casting is realized by matching with the feeding device, the cooling mechanism and the discharging mechanism, so that the efficiency of mass die casting production is improved.
Drawings
FIG. 1 is a schematic view of the external structure of a high-density die casting molding device and a die casting process of an aluminum alloy die casting;
FIG. 2 is a schematic diagram of the internal structure of a high-density die casting device and a die casting process of the aluminum alloy die casting;
fig. 3 is a schematic structural view of a toothed plate, a first gear, an annular positioning cover, a second gear and a semi-annular cushion block in the high-density die-casting forming device and the die-casting process of the aluminum alloy die-casting;
FIG. 4 is a top view of a semi-annular cushion block in a high-density die-casting forming device and a die-casting process of an aluminum alloy die-casting according to the invention;
FIG. 5 is a schematic structural view of a high-density die-casting forming device for aluminum alloy die castings and a discharging mechanism in a die-casting process;
FIG. 6 is a schematic view of the internal structure of the mounting seat in the high-density die-casting forming device and the die-casting process of the aluminum alloy die-casting;
FIG. 7 is a top view of the clamping plate set in the high-density die casting device and the die casting process of the aluminum alloy die casting provided by the invention;
fig. 8 is a schematic diagram of the internal structure of the gas storage ring and the ball valve in the high-density die casting device and the die casting process of the aluminum alloy die casting.
In the figure: 1. a base; 2. a work table; 3. a mold; 31. a lower die; 32. an upper die; 33. a toothed plate; 34. a guide cylinder; 35. a first gear; 36. an annular positioning cover; 37. a second gear; 38. semi-annular cushion blocks; 4. a feeding device; 41. a fixing seat; 42. a first electric telescopic rod; 5. a cooling mechanism; 51. a spray header; 52. a gas storage ring; 53. a ball valve; 531. a housing; 532. a valve core; 54. a mounting plate; 55. a refrigerator; 533. a fifth gear; 6. a discharging mechanism; 61. a mounting base; 62. a hollow rotating shaft; 63. rotating base; 64. a clamping plate group; 641. a rotary clamping plate; 642. a fixed clamping plate; 65. a chuck group; 651. a rotary chuck; 652. a fixed chuck; 66. a slide plate; 67. a pushing block; 68. a second electric telescopic rod; 69. a third gear; 610. a fourth gear; 7. and (5) collecting a box.
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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 8, a high-density die-casting forming device and a die-casting process for aluminum alloy die castings comprise a base 1, a workbench 2 rotatably arranged at the top of the base 1, two dies 3 symmetrically arranged at the left end and the right end of the workbench 2, a feeding device 4 positioned on the right side of the workbench 2, a discharging mechanism 6 positioned on the left side of the workbench 2 and a cooling mechanism 5, wherein a rotating shaft is arranged at the bottom of the base 1 and driven by a first motor, the first motor is electrically connected with a control panel, and a collecting box 7 is arranged on the left side of the discharging mechanism 6;
the mould 3 is including setting up in the bed die 31 at workstation 2 top and being located the last mould 32 of bed die 31 top, go up mould 32 top and be connected with pinion rack 33 through the mounting bracket, the workstation 2 is embedded to be equipped with guide cylinder 34, pinion rack 33 and guide cylinder 34 inner wall upper and lower sliding connection, the bottom of pinion rack 33 runs through guide cylinder 34 and is connected with first gear 35 meshing, first gear 35 installs on the bull stick surface, the bull stick rotates and sets up in annular location cover 36, the bull stick is kept away from the one end of annular location cover 36 center department and is provided with second gear 37, semi-annular cushion 38 is installed in annular location cover 36 inner wall left side, semi-annular cushion 38 surface is provided with a plurality of first tooth pieces with second gear 37 meshing.
Further, the unloading mechanism 6 comprises a mounting seat 61 arranged at the top of the base 1 and a hollow rotating shaft 62 rotatably arranged in the mounting seat 61, a rotating seat 63 is arranged at the top end of the hollow rotating shaft 62 penetrating through the eccentric position of the mounting seat 61, a clamping plate group 64 is movably arranged at one end of the rotating seat 63 far away from the hollow rotating shaft 62, and a clamping head group 65 is arranged at the lower part of one end of the clamping plate group 64 far away from the rotating seat 63; the lower part of the hollow rotating shaft 62 is provided with a third gear 69, the third gear 69 is connected with a fourth gear 610 in a meshed manner, the third gear 69 and the fourth gear 610 are both connected with the inner wall of the mounting seat 61 in a rotating manner, the fourth gear 610 is positioned on the right side of the third gear 69, two meshed portion groups are symmetrically arranged on the side wall surfaces of the left end and the right end of the workbench 2, and the meshed portion groups are a plurality of second tooth blocks meshed with the fourth gear 610.
Further, the splint group 64 is installed in slide 66 top one end, and the slide 66 other end is connected with ejector pad 67 bottom, and ejector pad 67 and swivel mount 63 inner wall upper and lower sliding connection installs the second electric telescopic handle 68 of drive ejector pad 67 in the swivel mount 63 inner wall, from the top down inlays in the swivel mount 63 inner wall in proper order and is equipped with first pressure sensor, second pressure sensor and the third pressure sensor with ejector pad 67 contact, and second electric telescopic handle 68, first pressure sensor, second pressure sensor and third pressure sensor all are connected with the control panel electricity, and control panel installs in annular locating cover 36 front surface.
Further, the clamping plate set 64 includes a rotary clamping plate 641 disposed on top of the sliding plate 66 and a fixed clamping plate 642 disposed at a rear side of the rotary clamping plate 641, the rotary clamping plate 641 being driven by a second motor electrically connected to the control panel.
Further, the jaw set 65 includes a rotary jaw 651 hinged to a rear side of the rotary jaw 641 and a stationary jaw 652 provided at a front surface of the stationary jaw 642, the rotary jaw 651 being in contact with the stationary jaw 652.
Further, the cooling mechanism 5 comprises a plurality of spray heads 51 obliquely arranged on the surface of the swivel base 63, the spray heads 51 and the clamping plate group 64 are arranged on the same side, the spray heads 51 are positioned above the clamping plate group 64, the spray heads 51 are communicated with the inside of the hollow rotating shaft 62 through an air outlet pipe, the lower part of the hollow rotating shaft 62 is communicated with an air inlet pipe through an air storage ring 52, one end of the air inlet pipe, far away from the air storage ring 52, is communicated with the refrigerator 55, and a ball valve 53 is arranged in the air inlet pipe;
the ball valve 53 includes a housing 531 communicating with the air intake duct, a spool 532 rotatably provided in the housing 531, a stepped shaft provided at the top of the spool 532, a fifth gear 533 mounted through the housing 531, the fifth gear 533 being meshed with the third gear 69.
Further, the upper and lower ends of the gas storage ring 52 are respectively connected with the surface of the hollow rotating shaft 62 in a rotating way through sealing bearings, the surface of the hollow rotating shaft 62 is provided with a gas passing port communicated with the gas storage ring 52, and the right side of the gas storage ring 52 is connected with the inner wall of the mounting seat 61 through the mounting plate 54.
Further, the feeding device 4 is arranged at the top of the fixed seat 41 in a left-right sliding manner, the fixed seat 41 is arranged at the top of the base 1, the first electric telescopic rod 42 for pushing the feeding device 4 is arranged at the top of the fixed seat 41, and the first electric telescopic rod 42 is electrically connected with the control panel.
Further, the left and right ends of the workbench 2 are embedded with infrared emitters, an infrared receiver matched with the infrared emitters is arranged on the surface of the feeding device 4, and the infrared receiver is electrically connected with the control panel;
the control panel is internally provided with a processor and a relay, the output ends of the infrared receiver, the first pressure sensor, the second pressure sensor and the third pressure sensor are electrically connected with the input end of the processor, the output end of the processor is electrically connected with the input end of the relay, and the output end of the relay is electrically connected with the first electric telescopic rod 42, the first motor, the second motor and the second electric telescopic rod 68 respectively.
Further, the method comprises the following steps:
s1: firstly, setting the feeding time of the feeding device 4, the working starting time of the second electric telescopic rod 68 and the working resetting time of the second electric telescopic rod 68 in a processor;
s2: starting a first motor to enable the first motor to rotate positively, driving a workbench 2 to rotate, enabling a die 3 on the left side of the workbench 2 to rotate to the right side of the workbench 2, enabling an infrared transmitter in the workbench 2 to be aligned with an infrared receiver on the surface of a feeding device 4, enabling the infrared receiver to receive signals, enabling the infrared receiver to send the signals to a processor for processing, enabling the processor to send instructions to a relay to control the first motor to stop rotating, and simultaneously controlling a first electric telescopic rod 42 to start, and enabling the feeding device 4 to slide close to the die 3;
s3: starting a feeding device 4 to inject molten slurry into the die 3;
s4: after a period of time, when the feeding time arrives, the processor sends an instruction to the relay to control the first electric telescopic rod 42 to reset, so that the feeding device 4 is far away from the die 3, and meanwhile, the first motor is controlled to rotate reversely, so that the die 3 with molten slurry injected on the workbench 2 is far away from the feeding device 4 and rotates to the left, meanwhile, the die 3 with molten slurry not injected on the workbench 2 rotates to the right, an infrared emitter below the die 3 with molten slurry not injected on the workbench 2 is aligned with an infrared receiver on the surface of the feeding device 4, the infrared receiver receives a signal, the infrared receiver sends the signal to the processor to process, the processor sends the instruction to the relay to control the first motor to stop rotating, and meanwhile, the first electric telescopic rod 42 is controlled to start, so that the feeding device 4 is pushed to slide close to the die 3, and further, the feeding device 4 is started to inject molten slurry into the die 3, so that the two dies 3 on the workbench 2 alternately inject molten slurry left and right;
s5: in the process that the mold 3 with molten slurry injected on the workbench 2 rotates to the left, the second gear 37 is meshed with a plurality of first tooth blocks on the semi-annular cushion block 38, so that the first gear 35 is driven to rotate, the toothed plate 33 is driven to move upwards, the upper mold 32 is driven to be far away from the lower mold 31, and the mold opening work is completed;
s6: in the process that the mold 3 for injecting molten slurry on the workbench 2 rotates to the left, the second tooth block on the surface of the workbench 2 is meshed with the fourth gear 610 to rotate, so as to drive the third gear 69 to rotate, so as to drive the hollow rotating shaft 62 to rotate, so as to drive the swivel mount 63 to rotate, and the clamping plate group 64 and the spray header 51 are close to the lower mold 31, wherein when the third gear 69 rotates, the fifth gear 533 is driven to rotate, so as to drive the valve core 532 to enable cold air in the refrigerator 55 to enter the hollow rotating shaft 62 through the air inlet pipe and the air storage ring 52, so as to enter the spray headers 51 through the air outlet pipe, and finally, the cold air is sprayed into the lower mold 31 to finish the cooling of castings;
s7: after a period of time, when the working start time arrives, the processor sends an instruction to the relay to control the second electric telescopic rod 68 to start, so that the push block 67 is driven to move downwards, the push block 67 is in contact with the third pressure sensor, so that the third pressure sensor sends a signal to the processor, so that the processor sends an instruction to the relay to control the second electric telescopic rod 68 to stop, the chuck group 65 is close to the clamping position of the casting, the processor sends an instruction to the relay to control the second motor to start, the rotating clamping plate 641 is driven to rotate to be close to the fixed clamping plate 642, the rotating clamping plate 651 is close to the fixed clamping plate 652 to clamp the casting, then the processor sends an instruction to the relay to control the second electric telescopic rod 68 to move upwards, so that the push block 67 is in contact with the first pressure sensor, so that the first pressure sensor sends a signal to the relay sends an instruction to control the second electric telescopic rod 68 to stop, and the casting is demoulded;
when the workbench 2 rotates to the replacement position again after demolding, the second tooth block on the workbench 2 drives the swivel mount 63 to reset through the cooperation of the fourth gear 610 and the third gear 69, and then drives the casting to rotate, so that the casting is positioned above the collecting box 7;
s8: after a period of time, when the working reset time arrives, the processor sends an instruction to the relay, controls the second electric telescopic rod 68 to reset, so that the push block 67 is in contact with the second pressure sensor, and then the second pressure sensor sends a signal to the processor, and then the processor sends an instruction to the relay, controls the second motor to reset, and enables the rotary clamping plate 641 to be far away from the fixed clamping plate 642, and further drives the rotary clamping head 651 to be far away from the fixed clamping head 652, so that the casting falls into the collecting box 7;
meanwhile, when the second gear block on the workbench 2 drives the swivel mount 63 to reset through the cooperation of the fourth gear 610 and the third gear 69, the third gear 69 drives the fifth gear 533 to reset, so that the valve core 532 resets, and the spray header 51 does not spray cold air any more.
Working principle: when in use, the feeding time of the feeding device 4, the working starting time of the second electric telescopic rod 68 and the working resetting time of the second electric telescopic rod 68 are set in the processor;
further, the first motor is started to enable the first motor to rotate positively, the workbench 2 is driven to rotate, the die 3 on the left side of the workbench 2 is rotated to the right side of the workbench 2, the infrared transmitter in the workbench 2 is aligned with the infrared receiver on the surface of the feeding device 4, the infrared receiver receives signals, the infrared receiver sends the signals to the processor to be processed, the processor sends instructions to the relay to control the first motor to stop rotating, meanwhile, the first electric telescopic rod 42 is controlled to start, the feeding device 4 is pushed to slide close to the die 3, and the feeding device 4 is further started to inject molten slurry into the die 3, (wherein the feeding device 4 is completed by the prior art);
after a period of time, when the feeding time arrives, the processor sends an instruction to the relay to control the first electric telescopic rod 42 to reset, so that the feeding device 4 is far away from the die 3, and meanwhile, the first motor is controlled to rotate reversely, so that the die 3 with molten slurry injected on the workbench 2 is far away from the feeding device 4 and rotates to the left, meanwhile, the die 3 with molten slurry not injected on the workbench 2 rotates to the right, an infrared emitter below the die 3 with molten slurry not injected on the workbench 2 is aligned with an infrared receiver on the surface of the feeding device 4, the infrared receiver receives a signal, the infrared receiver sends the signal to the processor to process, the processor sends the instruction to the relay to control the first motor to stop rotating, and meanwhile, the first electric telescopic rod 42 is controlled to start, so that the feeding device 4 is pushed to slide close to the die 3, and further, the feeding device 4 is started to inject molten slurry into the die 3, so that the two dies 3 on the workbench 2 alternately inject molten slurry left and right;
in the process that the mold 3 with molten slurry injected on the workbench 2 rotates to the left, the second gear 37 is meshed with a plurality of first tooth blocks on the semi-annular cushion block 38, so that the first gear 35 is driven to rotate, the toothed plate 33 is driven to move upwards, the upper mold 32 is driven to be far away from the lower mold 31, and the mold opening work is completed;
in the process that the mold 3 for injecting molten slurry on the workbench 2 rotates to the left, the second tooth block on the surface of the workbench 2 is meshed with the fourth gear 610 to rotate, so as to drive the third gear 69 to rotate, so as to drive the hollow rotating shaft 62 to rotate, so as to drive the swivel mount 63 to rotate, and the clamping plate group 64 and the spray header 51 are close to the lower mold 31, wherein when the third gear 69 rotates, the fifth gear 533 is driven to rotate, so as to drive the valve core 532 to enable cold air in the refrigerator 55 to enter the hollow rotating shaft 62 through the air inlet pipe and the air storage ring 52, so as to enter the spray headers 51 through the air outlet pipe, and finally, the cold air is sprayed into the lower mold 31 to finish the cooling of castings;
after a period of time, when the working start time arrives, the processor sends an instruction to the relay to control the second electric telescopic rod 68 to start, so that the push block 67 is driven to move downwards, the push block 67 is in contact with the third pressure sensor, so that the third pressure sensor sends a signal to the processor, so that the processor sends an instruction to the relay to control the second electric telescopic rod 68 to stop, the chuck group 65 is close to the clamping position of the casting, the processor sends an instruction to the relay to control the second motor to start, the rotating clamping plate 641 is driven to rotate to be close to the fixed clamping plate 642, the rotating clamping plate 651 is close to the fixed clamping plate 652 to clamp the casting, then the processor sends an instruction to the relay to control the second electric telescopic rod 68 to move upwards, so that the push block 67 is in contact with the first pressure sensor, so that the first pressure sensor sends a signal to the relay sends an instruction to control the second electric telescopic rod 68 to stop, and the casting is demoulded;
when the workbench 2 rotates to the replacement position again after demolding, the second tooth block on the workbench 2 drives the swivel mount 63 to reset through the cooperation of the fourth gear 610 and the third gear 69, and then drives the casting to rotate, so that the casting is positioned above the collecting box 7;
after a period of time, when the working reset time arrives, the processor sends an instruction to the relay, controls the second electric telescopic rod 68 to reset, so that the push block 67 is in contact with the second pressure sensor, and then the second pressure sensor sends a signal to the processor, and then the processor sends an instruction to the relay, controls the second motor to reset, and enables the rotary clamping plate 641 to be far away from the fixed clamping plate 642, and further drives the rotary clamping head 651 to be far away from the fixed clamping head 652, so that the casting falls into the collecting box 7;
meanwhile, when the second gear block on the workbench 2 drives the swivel mount 63 to reset through the cooperation of the fourth gear 610 and the third gear 69, the third gear 69 drives the fifth gear 533 to reset, so that the valve core 532 resets, and the spray header 51 does not spray cold air any more.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The high-density die-casting forming device for the aluminum alloy die castings is characterized by comprising a base (1), a workbench (2) rotationally arranged at the top of the base (1), two dies (3) symmetrically arranged at the left end and the right end of the workbench (2), a feeding device (4) positioned on the right side of the workbench (2), a discharging mechanism (6) positioned on the left side of the workbench (2) and a cooling mechanism (5), wherein a rotating shaft is arranged at the bottom of the base (1), the rotating shaft is driven by a first motor, the first motor is electrically connected with a control panel, and a collecting box (7) is arranged on the left side of the discharging mechanism (6);
the die (3) is including setting up in bed die (31) at workstation (2) top and being located bed die (32) of bed die (31) top, bed die (32) top is connected with pinion rack (33) through the mounting bracket, workstation (2) are embedded to be equipped with guide cylinder (34), pinion rack (33) and guide cylinder (34) inner wall sliding connection from top to bottom, guide cylinder (34) and first gear (35) meshing are run through to the bottom of pinion rack (33), first gear (35) are installed in the bull stick surface, the bull stick rotates and sets up in annular location cover (36), the one end that the bull stick kept away from annular location cover (36) center department is provided with second gear (37), semi-annular cushion (38) are installed in annular location cover (36) inner wall left side, semi-annular cushion (38) surface is provided with a plurality of first tooth pieces with second gear (37) meshing.
2. The high-density die-casting forming device of the aluminum alloy die-casting according to claim 1, wherein the discharging mechanism (6) comprises a mounting seat (61) arranged at the top of the base (1) and a hollow rotating shaft (62) rotatably arranged in the mounting seat (61), a rotating seat (63) is arranged at the top end of the hollow rotating shaft (62) penetrating through the eccentric part of the mounting seat (61), a clamping plate group (64) is movably arranged at one end of the rotating seat (63) far away from the hollow rotating shaft (62), and a clamping head group (65) is arranged at the lower part of one end of the clamping plate group (64) far away from the rotating seat (63); the lower part of hollow pivot (62) is installed third gear (69), third gear (69) are connected with fourth gear (610) meshing, third gear (69) and fourth gear (610) all are connected with mount pad (61) inner wall rotation, fourth gear (610) are located the right side of third gear (69), the lateral wall surface symmetry at both ends is provided with two sets of meshing portion groups about workstation (2), meshing portion group specifically is a plurality of second tooth pieces with fourth gear (610) meshing.
3. The high-density die-casting forming device of the aluminum alloy die-casting according to claim 2, wherein the clamping plate group (64) is installed at one end of the top of the sliding plate (66), the other end of the sliding plate (66) is connected with the bottom of the pushing block (67), the pushing block (67) is connected with the inner wall of the swivel base (63) in a vertical sliding manner, a second electric telescopic rod (68) for driving the pushing block (67) is installed in the inner wall of the swivel base (63), a first pressure sensor, a second pressure sensor and a third pressure sensor which are contacted with the pushing block (67) are sequentially embedded in the inner wall of the swivel base (63) from top to bottom, and the second electric telescopic rod (68), the first pressure sensor, the second pressure sensor and the third pressure sensor are all electrically connected with a control panel, and the control panel is installed on the front surface of the annular positioning cover (36).
4. A high-density die casting apparatus as claimed in claim 3, wherein the clamping plate group (64) comprises a rotary clamping plate (641) provided at the top of the slide plate (66) and a stationary clamping plate (642) provided at the rear side of the rotary clamping plate (641), the rotary clamping plate (641) being driven by a second motor electrically connected to the control panel.
5. The high-density die casting apparatus as claimed in claim 4, wherein the jaw set (65) comprises a rotary jaw (651) hinged to a rear side of the rotary jaw (641) and a stationary jaw (652) provided to a front surface of the stationary jaw (642), the rotary jaw (651) being in contact with the stationary jaw (652).
6. The high-density die-casting forming device of aluminum alloy die castings according to claim 5, wherein the cooling mechanism (5) comprises a plurality of spray heads (51) obliquely arranged on the surface of a swivel base (63), the spray heads (51) and a clamping plate group (64) are arranged on the same side, the spray heads (51) are positioned above the clamping plate group (64), the spray heads (51) are communicated with the inside of a hollow rotating shaft (62) through an air outlet pipe, the lower part of the hollow rotating shaft (62) is communicated with an air inlet pipe through an air storage ring (52), one end of the air inlet pipe, far away from the air storage ring (52), is communicated with a refrigerator (55), and a ball valve (53) is arranged in the air inlet pipe;
the ball valve (53) comprises a shell (531) communicated with the air inlet pipe, a valve core (532) arranged in the shell (531) in a rotating mode, a stepped shaft is arranged at the top of the valve core (532), a fifth gear (533) is installed through the shell (531) in a penetrating mode, and the fifth gear (533) is meshed with the third gear (69).
7. The high-density die-casting forming device of the aluminum alloy die-casting according to claim 6, wherein the upper end and the lower end of the gas storage ring (52) are respectively connected with the surface of the hollow rotating shaft (62) in a rotating way through sealing bearings, the surface of the hollow rotating shaft (62) is provided with a gas passing port communicated with the gas storage ring (52), and the right side of the gas storage ring (52) is connected with the inner wall of the mounting seat (61) through a mounting plate (54).
8. The high-density die-casting forming device for aluminum alloy die castings according to claim 7, wherein the feeding device (4) is arranged at the top of the fixed seat (41) in a sliding manner left and right, the fixed seat (41) is arranged at the top of the base (1), a first electric telescopic rod (42) for pushing the feeding device (4) is arranged at the top of the fixed seat (41), and the first electric telescopic rod (42) is electrically connected with the control panel.
9. The high-density die-casting forming device of the aluminum alloy die-casting according to claim 8, wherein infrared transmitters are embedded at the left end and the right end of the workbench (2), an infrared receiver matched with the infrared transmitters is arranged on the surface of the feeding device (4), and the infrared receiver is electrically connected with the control panel;
the infrared receiver, the first pressure sensor, the second pressure sensor and the third pressure sensor are all electrically connected with the input end of the processor, the output end of the processor is electrically connected with the input end of the relay, and the output end of the relay is electrically connected with the first electric telescopic rod (42), the first motor, the second motor and the second electric telescopic rod (68) respectively.
10. A die casting process for realizing the high-density die casting molding apparatus for aluminum alloy die casting according to claim 9, characterized by comprising the steps of:
s1: firstly, setting the feeding time of a feeding device (4), the working starting time of a second electric telescopic rod (68) and the working resetting time of the second electric telescopic rod (68) in a processor;
s2: starting a first motor to enable the first motor to rotate positively, driving a workbench (2) to rotate, enabling a die (3) on the left side of the workbench (2) to rotate to the right side of the workbench (2), enabling an infrared transmitter in the workbench (2) to be aligned with an infrared receiver on the surface of a feeding device (4), enabling the infrared receiver to receive signals, enabling the infrared receiver to send the signals to a processor for processing, enabling the processor to send instructions to a relay to control the first motor to stop rotating, and simultaneously controlling a first electric telescopic rod (42) to start, and enabling the feeding device (4) to slide close to the die (3);
s3: starting a feeding device (4) to inject molten slurry into the die (3);
s4: after a period of time, when the feeding time arrives, the processor sends an instruction to the relay to control the first electric telescopic rod (42) to reset, so that the feeding device (4) is far away from the die (3), and meanwhile, the first motor is controlled to rotate reversely, so that the die (3) with molten slurry injected on the workbench (2) is driven to be far away from the feeding device (4) and rotate to the left side, meanwhile, the die (3) without molten slurry injected on the workbench (2) is rotated to the right side, an infrared transmitter below the die (3) without molten slurry injected on the workbench (2) is aligned with an infrared receiver on the surface of the feeding device (4), and then the infrared receiver receives a signal, and then the infrared receiver sends a signal to the processor to be processed, and then the processor sends the instruction to the relay to control the first motor to stop rotating, and meanwhile, the first electric telescopic rod (42) is controlled to start, so that the feeding device (4) is driven to slide close to the die (3), and further, the feeding device (4) is started to inject molten slurry into the die (3), so that the two dies (3) on the workbench (2) are alternately injected left and right;
s5: in the process that the mould (3) for injecting molten slurry on the workbench (2) rotates to the left, the second gear (37) is meshed with a plurality of first tooth blocks on the semi-annular cushion block (38), so that the first gear (35) is driven to rotate, the toothed plate (33) is driven to move upwards, the upper mould (32) is driven to be far away from the lower mould (31), and the mould opening work is completed;
s6: in the process that a mold (3) for injecting molten slurry on a workbench (2) rotates to the left, a second tooth block on the surface of the workbench (2) is meshed with a fourth gear (610) to rotate, so that a third gear (69) is meshed with the fourth gear to rotate, so that a hollow rotating shaft (62) is driven to rotate, and a swivel mount (63) is driven to rotate, so that a clamping plate group (64) and a spray header (51) are both close to a lower mold (31), wherein a fifth gear (533) is driven to rotate when the third gear (69) rotates, a valve core (532) is driven to enable cold air in a refrigerator (55) to enter the hollow rotating shaft (62) through an air inlet pipe and an air storage ring (52), so that the cold air enters a plurality of spray headers (51) through an air outlet pipe, and finally the cold air is sprayed in the lower mold (31), and the casting is cooled;
s7: after a period of time, when the working starting time arrives, the processor sends an instruction to the relay to control the second electric telescopic rod (68) to start, then the pushing block (67) is driven to move downwards, the pushing block (67) is in contact with the third pressure sensor, then the third pressure sensor sends a signal to the processor, then the processor sends an instruction to the relay to control the second electric telescopic rod (68) to stop, so that the chuck group (65) is close to the clamping position of the casting, the processor sends an instruction to the relay to control the second motor to start, the rotating clamping plate (641) is driven to rotate to be close to the fixed clamping plate (642), the rotating clamping plate (651) is close to the fixed clamping plate (652) to clamp the casting, then the processor sends an instruction to the relay to control the second electric telescopic rod (68) to move upwards, the pushing block (67) is in contact with the first pressure sensor, the first pressure sensor sends a signal to the processor, and then the processor sends an instruction to the relay to control the second electric telescopic rod (68) to stop, so that the casting is demolded;
when the workbench (2) rotates to the replacement position again after demolding, the second gear block on the workbench (2) drives the swivel mount (63) to reset through the matching of the fourth gear (610) and the third gear (69), so that the casting is driven to rotate, and the casting is positioned above the collecting box (7);
s8: after a period of time, when the working reset time arrives, the processor sends an instruction to the relay, controls the second electric telescopic rod (68) to reset, so that the push block (67) is in contact with the second pressure sensor, and then the second pressure sensor sends a signal to the processor, and then the processor sends an instruction to the relay, controls the second motor to reset, so that the rotary clamping plate (641) is far away from the fixed clamping plate (642), and then drives the rotary clamping plate (651) to be far away from the fixed clamping plate (652), and the casting falls into the collecting box (7);
meanwhile, when the second gear block on the workbench (2) drives the rotary seat (63) to reset through the matching of the fourth gear (610) and the third gear (69), the third gear (69) drives the fifth gear (533) to reset, so that the valve core (532) resets, and the spray header (51) does not spray cold air any more.
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| CN202210974537.2A CN115255314B (en) | 2022-08-15 | 2022-08-15 | High-density die-casting forming device and die-casting process for aluminum alloy die-casting piece |
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