CN114160773A - Automatic change low pressure casting wheel hub apparatus for producing - Google Patents
Automatic change low pressure casting wheel hub apparatus for producing Download PDFInfo
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- CN114160773A CN114160773A CN202111360627.4A CN202111360627A CN114160773A CN 114160773 A CN114160773 A CN 114160773A CN 202111360627 A CN202111360627 A CN 202111360627A CN 114160773 A CN114160773 A CN 114160773A
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- 238000005266 casting Methods 0.000 title claims abstract description 39
- 230000008859 change Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims 1
- 230000008844 regulatory mechanism Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 28
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 description 7
- 239000000155 melt Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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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
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/08—Controlling, supervising, e.g. for safety reasons
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses an automatic low-pressure casting wheel hub production device, which comprises a crucible, wherein the upper end of the crucible is clamped with a platform, the lower end of the platform is fixedly provided with a speed regulating box, the speed regulating box is provided with a speed regulating mechanism, the upper end surface of the platform is fixedly provided with a support post, a sliding plate is arranged on the support post in a sliding manner, a moving mechanism is arranged above the sliding plate, a casting mechanism is arranged between the sliding plate and the platform, the temperature of the central positions of an upper template and a lower template is detected through a temperature detector, so that the cooling work can be carried out through the numerical control detected by the temperature detector, the automation level is improved, the outside of a mould cavity is simultaneously cooled by air and water through a water ring and a cold air pipe, the temperature in the mould cavity can be effectively reduced through the cooperation of the temperature detector, the production speed of a wheel hub is accelerated, the movement of a clamp and the mould is automatically carried out through the work of a power motor, and the automatic taking-out work after the casting and the casting of the wheel hub are completed can be realized, manual operation is reduced, and air flow rate is controlled through a speed regulating mechanism.
Description
Technical Field
The invention relates to the technical field of low-pressure casting, in particular to an automatic low-pressure casting hub production device.
Background
The low-pressure casting process is a method for filling a cavity with liquid metal under the action of pressure to form a casting, wherein the low-pressure casting is to fill 0.06-0.15 Mpa of compressed air into a sealed heat-insulating furnace, to make molten metal rise to a mold under the action of air pressure and then solidify the molten metal, and when a low-pressure casting machine works, the molten metal needs to be insulated, so that the surrounding temperature is higher, certain potential safety hazards exist when the mold opening and the mold closing are carried out manually, and meanwhile, the conventional low-pressure casting machine cannot automatically open and close the mold, cannot accurately regulate and control the filled air, so that the problems of low casting effect and poor quality caused by incapability of regulating and controlling when different types of hubs are machined.
Disclosure of Invention
The invention aims to provide an automatic low-pressure casting hub production device which is used for overcoming the defects in the prior art.
The automatic low-pressure casting hub production device comprises a crucible, wherein heaters for heat preservation are arranged on the left side and the right side of the crucible, an air inlet pipe and an air outlet pipe are respectively communicated with the left side wall and the right side wall of the crucible, a platform is clamped at the upper end of the crucible, a speed regulating box is fixedly arranged at the lower end of the platform and is communicated with the air inlet pipe, a speed regulating mechanism for reducing the flow speed of air entering the crucible is arranged on the air inlet pipe, four support columns distributed in a matrix manner are uniformly and fixedly arranged on the upper end surface of the platform, slide ways are respectively arranged on corners of the four support columns close to the center of the platform, sliding plates capable of sliding up and down are arranged among the four slide ways, two driven shafts which are symmetrical left and right are arranged on the upper end surface of the crucible among the four slide ways, and a top cover is fixedly arranged at the upper ends of the support columns, the driven shaft vertically extends through the sliding plate and is rotatably connected with the top cover and the platform, a moving mechanism for controlling lifting and taking out of the hub is arranged above the sliding plate, and a casting mechanism for casting the hub at low pressure is arranged between the sliding plate and the platform.
Preferably, the speed regulating mechanism comprises a heat insulation sleeve wrapped on the outer end face of the speed regulating box, a speed regulating cavity is formed in the speed regulating box, an air plate capable of sliding left and right and a speed regulating plate capable of sliding up and down are arranged in the speed regulating cavity, a compression pipe is communicated and arranged on the rear end wall of the speed regulating cavity, a compression pump is communicated and arranged on the compression pipe, two speed regulating springs which are symmetrical left and right are connected between one end, away from each other, of the two speed regulating plates and the speed regulating cavity, thrust springs which are symmetrical up and down are connected between one end, away from each other, of the two air plates and the speed regulating cavity, a push rod is fixedly arranged at the rear end of the air plate on the right side, two semicircular fixing plates which are symmetrical up and down are fixedly arranged in the air inlet pipe, semicircular sliding plates are respectively arranged on the two fixing plates in a sliding manner, and an extrusion spring is connected between the two sliding plates and the air inlet pipe, the push rod can slide left and right to abut against the sliding plate.
Preferably, the moving mechanism comprises a power motor fixedly arranged at the upper end of the sliding plate, the upper end of the power motor is in power connection with a spline shaft, the periphery of the spline shaft is in spline fit with a spline housing, a transmission cavity is formed in the top cover, the spline housing abuts against the upper wall and the lower wall of the transmission cavity, a transmission belt is connected between the upper ends of the two driven shafts and the spline housing, a section of lead screw guide rail area is arranged on the periphery of the driven shaft, the sliding plate can slide up and down on the lead screw guide rail area, the lower end of the power motor is in power connection with a driving shaft, the lower end of the sliding plate is rotatably provided with an upper template, a transmission shaft is fixedly arranged on the upper end surface of the upper template, a speed reducer is connected between the transmission shaft and the driving shaft, and two clamping blocks which are bilaterally symmetrical are arranged on the lower end surface of the upper template in a sliding manner, and a push spring is connected between the upper end of each clamping block and the upper template.
Preferably, casting mechanism sets up including sliding side form board, two on the up end of platform the side form board with the die cavity has been seted up between the sliding plate, can insert the lower bolster on the lower terminal surface of die cavity, two bilateral symmetry's smooth chamber, two all has set firmly the rack in the smooth chamber, two all set firmly the gear, two in the periphery of driven shaft the gear and corresponding rack toothing, the one end that the side form board is close to each other all sets firmly two sets of circumference evenly distributed and longitudinal symmetry's heat transfer case, every spiral water ring has been embedded to the heat transfer incasement admittedly, every all communicate on the heat transfer case has the cold blast pipe, the cope match-plate pattern with all set firmly annular sealing washer in the periphery of lower bolster, the lower extreme of cope match-plate pattern has set firmly thermodetector.
Preferably, the melt has been held in the crucible, the lower extreme of platform rotates and is equipped with the adapter sleeve, the lower extreme intercommunication of adapter sleeve is equipped with the inlet line the interpolation is equipped with the inlet line in the melt, inlet line downwardly extending inserts in the melt, the front end intercommunication of adapter sleeve is equipped with two bilateral symmetry's connecting pipe, be equipped with solution pipe, two on the up end of platform the connecting pipe extends forward afterwards upwards extend with solution pipe intercommunication, solution pipe can follow the side form board horizontal hunting and stretch out and draw back.
Preferably, an upward sunken clamping groove is fixedly arranged on the lower end face of the platform, the lower end of the clamping groove can be clamped with the crucible, and an electromagnetic valve used for controlling on-off is arranged in the air outlet pipe.
The invention has the beneficial effects that: the temperature detector is used for detecting the temperature of the central positions of the upper template and the lower template, so that the cooling work can be carried out through the numerical control detected by the temperature detector, the automation level is improved, the air cooling and the water cooling are simultaneously carried out on the outer side of the die cavity through the water ring and the cold air pipe, the temperature in the die cavity can be effectively reduced by matching with the temperature detector, the production speed of the hub is accelerated, the power motor works, the clamp and the die are automatically moved, the automatic taking-out work after the casting and the casting of the hub can be realized, the manual operation is reduced, and the flow rate of air entering the crucible can be controlled through the speed regulating mechanism.
Drawings
FIG. 1 is a schematic exterior view of an automated low-pressure cast hub production apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of an automated low-pressure casting hub production device of the present invention;
FIG. 3 is an enlarged schematic view of the governor mechanism of FIG. 2 of the present invention;
FIG. 4 is an enlarged schematic view of the casting mechanism of FIG. 2 of the present invention;
FIG. 5 is an enlarged schematic view of the heat exchange box of FIG. 4 of the present invention;
in the figure:
10. a crucible; 11. a heater; 12. a melt; 13. a liquid inlet pipe; 14. an air outlet pipe; 15. an electromagnetic valve; 16. connecting sleeves; 17. a connecting pipe; 18. a card slot; 19. a thermal insulation sleeve; 20. a speed regulating box; 21. compressing the tube; 22. a wind plate; 23. a thrust spring; 24. a speed regulation cavity; 25. a speed regulating spring; 26. a speed regulation plate; 27. an air inlet pipe; 28. a fixing plate; 29. a slide plate; 30. a compression spring; 31. a push rod; 32. a pillar; 33. a slideway; 34. a top cover; 35. a transmission cavity; 36. a driven shaft; 37. a spline shaft; 38. a drive belt; 39. a power motor; 40. a lead screw guide area; 41. a sliding plate; 42. a drive shaft; 43. a speed reducer; 44. a drive shaft; 45. a slide chamber; 46. a rack; 47. a gear; 48. a solution tube; 49. a mold cavity; 50. a lower template; 51. a temperature detector; 52. a clamping block; 53. pushing a spring; 54. a compression pump; 55. a heat exchange box; 56. mounting a template; 57. a water ring; 58. a cold air pipe; 59. a seal ring; 60. a platform; 61. a sideform; 62. a spline housing; 63. a speed regulating mechanism; 64. a moving mechanism; 65. and (5) a casting mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an automatic low-pressure casting hub production device according to an embodiment of the present invention includes a crucible 10, heaters 11 for heat preservation are disposed on left and right sides of the crucible 10, an air inlet pipe 27 and an air outlet pipe 14 are respectively communicated with left and right side walls of the crucible 10, a platform 60 is clamped at an upper end of the crucible 10, a speed adjusting box 20 is fixedly disposed at a lower end of the platform 60, the speed adjusting box 20 is communicated with the air inlet pipe 27, a speed adjusting mechanism 63 for reducing an air flow rate entering the crucible 10 is disposed on the air inlet pipe 27, four pillars 32 are uniformly and fixedly disposed on an upper end surface of the platform 60, slide ways 33 are disposed on corners of the four pillars 32 near a center of the platform 60, sliding plates 41 capable of sliding up and down are disposed between the four slide ways 33, two driven shafts 36 are disposed between the four slide ways 33 and on the upper end surface of the crucible 10, the top cover 34 is fixedly arranged at the upper end of the strut 32, the driven shaft 36 extends up and down to penetrate through the sliding plate 41 and is rotatably connected with the top cover 34 and the platform 60, a moving mechanism 64 for controlling lifting and taking out of the hub is arranged above the sliding plate 41, and a casting mechanism 65 for casting the hub at low pressure is arranged between the sliding plate 41 and the platform 60.
Optionally, the speed adjusting mechanism 63 includes a heat insulating sleeve 19 wrapped on the outer end face of the speed adjusting box 20, a speed adjusting cavity 24 is formed in the speed adjusting box 20, an air plate 22 capable of sliding left and right and a speed adjusting plate 26 capable of sliding up and down are arranged in the speed adjusting cavity 24, a compression pipe 21 is communicated with the rear end wall of the speed adjusting cavity 24, a compression pump 54 is communicated with the compression pipe 21, two speed adjusting springs 25 which are symmetrical left and right are connected between one end of the two speed adjusting plates 26 away from each other and the speed adjusting cavity 24, two thrust springs 23 which are symmetrical up and down are connected between one end of the two air plates 22 away from each other and the speed adjusting cavity 24, a push rod 31 is fixedly arranged at the rear end of the air plate 22 on the right side, two semicircular fixing plates 28 which are symmetrical up and down are fixedly arranged in the air inlet pipe 27, and a semicircular sliding plate 29 is arranged on the two fixing plates 28, an extrusion spring 30 is connected between the two sliding plates 29 and the air inlet pipe 27, the push rod 31 can slide left and right to abut against the sliding plates 29, the compression pump 54 works, dry low-pressure nitrogen is filled into the speed regulation cavity 24 through the compression pipe 21, air enters the speed regulation cavity 24 and is concentrated in an area between the air plates 22 and the speed regulation plate 26, the air overcomes the spring force of the thrust spring 23 to push the two air plates 22 to be away from each other, the push rod 31 abuts against the sliding plates 29 to open the sliding plates 29, so that the air enters the air inlet pipe 27 through gaps between the push rod 31 and the sliding plates 29, a user can control the front and back movement of the speed regulation spring 25 to make the air plates 22 abutting against the speed regulation plate 26 approach or separate from each other under the spring force of the thrust spring 23, and then the elastic force of the thrust spring 23 is changed, the distance that the push rod 31 moves leftwards and rightwards and abuts against the sliding plate 29 is changed, the size of an air gap between the sliding plate 29 and the push rod 31 is changed, and the aim of controlling the air flow rate entering the air inlet pipe 27 from the speed regulating cavity 24 through the speed regulating spring 25 is fulfilled.
Optionally, the moving mechanism 64 includes a power motor 39 fixedly arranged at the upper end of the sliding plate 41, the upper end of the power motor 39 is power-connected with a spline shaft 37, a spline housing 62 is spline-fitted on the periphery of the spline shaft 37, a transmission cavity 35 is formed in the top cover 34, the spline housing 62 abuts against the upper and lower walls of the transmission cavity 35, a transmission belt 38 is connected between the upper ends of the two driven shafts 36 and the spline housing 62, a section of a lead screw guide rail area 40 is arranged on the periphery of the driven shaft 36, the sliding plate 41 can slide up and down on the lead screw guide rail area 40, the lower end of the power motor 39 is power-connected with a driving shaft 42, the lower end of the sliding plate 41 is rotatably provided with an upper mold plate 56, a transmission shaft 44 is fixedly arranged on the upper end surface of the upper mold plate 56, and a speed reducer 43 is connected between the transmission shaft 44 and the driving shaft 42, two bilaterally symmetrical fixture blocks 52 are slidably arranged on the lower end surface of the upper template 56, push springs 53 are connected between the upper ends of the two fixture blocks 52 and the upper template 56, the spline shaft 37 is driven to rotate by the operation of the power motor 39, the driven shafts 36 positioned at the left and right sides of the spline shaft 37 are respectively driven to rotate by the spline housing 62 in spline fit with the spline shaft 37 under the transmission action of the transmission belt 38, the sliding plate 41 is driven to move up and down in the area of the lead screw guide area 40 by the sliding connection between the lead screw guide area 40 and the sliding plate 41, the stability of the sliding plate 41 in the ascending and descending process is stabilized by four support columns 32 arranged at four corners of the sliding plate 41, the shaking of the sliding plate 41 is reduced, and the speed is reduced by the speed reducer 43, the rotating speed transmitted from the driving shaft 42 to the transmission shaft 44 is reduced, and then the upper template 56 is driven to rotate clockwise through the fixed connection between the transmission shaft 44 and the upper template 56, when the fixture block 52 rotates to the groove of the lower template 50, the fixture block 52 is driven to descend through the spring force of the push spring 53, so that the upper template 56 and the lower template 50 are fixed, the power transmission of the driving shaft 42 to the transmission shaft 44 is stopped through a friction wheel arranged between the transmission shaft 44 and the speed reducer 43, meanwhile, the power motor 39 stops working, when the power motor ascends, the power motor 39 rotates reversely, the upper template 56 is controlled to ascend, the fixture block 52 ascends through the groove of the lower template 50, and the left-right reverse fixation between the upper template 56 and the lower template 50 is cancelled.
Optionally, the casting mechanism 65 includes side mold plates 61 slidably disposed on the upper end surface of the platform 60, two mold cavities 49 are disposed between the side mold plates 61 and the sliding plate 41, the lower mold plate 50 can be inserted into the lower end surface of the mold cavity 49, bilaterally symmetrical sliding cavities 45 are disposed in each of the side mold plates 61, racks 46 are fixedly disposed in each of the sliding cavities 45, gears 47 are fixedly disposed on the peripheries of the two driven shafts 36, the two gears 47 are engaged with the corresponding racks 46, two sets of heat exchange boxes 55 are circumferentially and uniformly distributed and vertically symmetrical are fixedly disposed at ends of the side mold plates 61 close to each other, a spiral water ring 57 is fixedly embedded in each of the heat exchange boxes 55, each of the heat exchange boxes 55 is communicated with a cold air pipe 58, and annular seal rings 59 are fixedly disposed on the peripheries of the upper mold plate 56 and the lower mold plate 50, the lower extreme of cope match-plate pattern 56 has set firmly thermodetector 51, the user can to insert on the lower end wall of die cavity 49 lower bolster 50 is through two driven shaft 36 is rotatory, drives and fixes driven shaft 36 is peripheral on gear 47 is rotatory, through gear 47 with be the meshing between the rack 46, drive the rack 46 is controlled left and right, through rack 46 with fixed connection between the side form board 61 drives side form board 61 is controlled left and right, makes two side form board 61 laminating sealing washer 59 accomplishes right the sealing of die cavity 49, when carrying out wheel hub's cooling solidification, through cold-blast main 58 to water ring 57 department fills into cold wind, to fill into the cooling water in the water ring 57, through cope match-plate pattern 56 is right die cavity 49 department carries out the heat exchange for cooling rate.
Optionally, the melt 12 has been held in the crucible 10, the lower extreme of platform 60 rotates and is equipped with adapter sleeve 16, the lower extreme intercommunication of adapter sleeve 16 is equipped with inlet line 13 the interpolation is equipped with inlet line 13 in the melt 12, inlet line 13 downwardly extending inserts in the melt 12, the front end intercommunication of adapter sleeve 16 is equipped with two bilateral symmetry's connecting pipe 17, be equipped with solution pipe 48 on the up end of platform 60, two connecting pipe 17 extends forward afterwards upwards extend with solution pipe 48 intercommunication, solution pipe 48 can follow side form 61 horizontal hunting and stretch out and draw back, and the metal melt passes through inlet line 13, under the extrusion of atmospheric pressure, gets into in the adapter sleeve 16, through connecting pipe 17 with solution pipe 48 gets into the left and right sides of die cavity 49.
Optionally, a clamping groove 18 which is recessed upwards is fixedly arranged on the lower end face of the platform 60, the lower end of the clamping groove 18 can be clamped with the crucible 10, and an electromagnetic valve 15 for controlling on-off is arranged in the air outlet pipe 14.
The invention relates to an automatic low-pressure casting hub production device, which comprises the following working procedures:
when the mold is placed, the power motor 39 works to drive the spline shaft 37 to rotate, the spline housing 62 in spline fit with the spline shaft 37 drives the driven shafts 36 on the left and right sides of the spline shaft 37 to rotate under the transmission action of the transmission belt 38, the sliding connection between the lead screw guide area 40 and the sliding plate 41 drives the sliding plate 41 to move up and down in the lead screw guide area 40, the stability of the sliding plate 41 in the ascending and descending process is stabilized through the four pillars 32 arranged at the four corners of the sliding plate 41, the shake of the sliding plate 41 is reduced, the speed reduction of the speed reducer 43 reduces the rotating speed transmitted from the driving shaft 42 to the transmission shaft 44, the upper mold plate 56 is driven to rotate clockwise through the fixed connection between the transmission shaft 44 and the upper mold plate 56, and when the fixture block 52 rotates to the groove of the lower mold plate 50, the spring force of the push spring 53 is used, the fixture block 52 is driven to descend to fix the upper template 56 and the lower template 50, the power transmission of the driving shaft 42 to the driving shaft 44 is stopped through a friction wheel arranged between the driving shaft 44 and the speed reducer 43, meanwhile, the power motor 39 stops working, when the power motor 39 ascends, the power motor 39 rotates reversely to control the upper template 56 to ascend, the fixture block 52 ascends through the groove of the lower template 50, and the left-right reverse fixation between the upper template 56 and the lower template 50 is cancelled.
When the air is inflated, the compression pump 54 works, dry low-pressure nitrogen is filled into the speed regulation cavity 24 through the compression pipe 21, the air enters the speed regulation cavity 24 and is concentrated in an area between the wind boards 22 and the speed regulation board 26, the air overcomes the spring force of the thrust spring 23 to push the two wind boards 22 to be away from each other, the push rod 31 is abutted to the sliding plate 29 to open the sliding plate 29, so that air enters the air inlet pipe 27 through the gap between the push rod 31 and the sliding plate 29, the user can control the forward and backward movement of the speed regulating spring 25, the wind plates 22 abutted against the speed regulating plate 26 are made to approach or separate from each other under the spring force of the thrust spring 23, and then the elasticity of the thrust spring 23 is changed, the distance of the push rod 31 which moves leftwards and rightwards and abuts against the sliding plate 29 is changed, the size of an air gap between the sliding plate 29 and the push rod 31 is changed, and the aim of controlling the air flow rate entering the air inlet pipe 27 from the speed regulating cavity 24 through the speed regulating spring 25 is fulfilled.
The molten metal passes through the liquid inlet pipe 13, enters the connecting sleeve 16 under the extrusion of air pressure, passes through the connecting pipe 17 and the solution pipe 48, and enters the left side and the right side of the die cavity 49.
During casting, a user can insert the lower template 50 into the lower end wall of the die cavity 49, the two driven shafts 36 rotate to drive the gears 47 fixed on the peripheries of the driven shafts 36 to rotate, the racks 46 are driven to move left and right through the engagement between the gears 47 and the racks 46, the side templates 61 are driven to move left and right through the fixed connection between the racks 46 and the side templates 61, the two side templates 61 are attached to the sealing ring 59, the die cavity 49 is sealed, cold air is filled into the water ring 57 through the cold air pipe 58 when the hub is cooled and solidified, cooling water is filled into the water ring 57, heat exchange is carried out on the die cavity 49 through the upper template 56, and the cooling speed is accelerated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. An automatic low pressure casting wheel hub apparatus for producing, includes crucible (10), its characterized in that: the left and right sides of crucible (10) is equipped with and is used for heat retaining heater (11), communicate respectively on the left and right sides wall of crucible (10) and be equipped with air-supply line (27) and play tuber pipe (14), the upper end joint of crucible (10) is equipped with platform (60), the lower extreme of platform (60) has set firmly speed governing case (20), speed governing case (20) with air-supply line (27) intercommunication, be equipped with on air-supply line (27) and be used for slowing down the entering speed governing mechanism (63) of crucible (10) department air velocity, evenly set firmly pillar (32) of four matrix distributions on the up end of platform (60), four pillar (32) are close to slide (33) have all been seted up on the corner at platform (60) center, four be equipped with gliding sliding plate (41) from top to bottom between slide (33), four just be located be equipped with two bilateral symmetry's driven shaft (36) on the up end of crucible (10) ) The upper end of the support column (32) is fixedly provided with a top cover (34), the driven shaft (36) vertically extends through the sliding plate (41) and is rotatably connected with the top cover (34) and the platform (60), a moving mechanism (64) for controlling lifting and taking out of the hub is arranged above the sliding plate (41), and a casting mechanism (65) for casting the hub at low pressure is arranged between the sliding plate (41) and the platform (60).
2. An automated low-pressure casting hub production device according to claim 1, wherein: the speed regulation mechanism (63) comprises a heat insulation sleeve (19) wrapped on the outer end face of the speed regulation box (20), a speed regulation cavity (24) is formed in the speed regulation box (20), air plates (22) capable of sliding left and right and speed regulation plates (26) capable of sliding up and down are arranged in the speed regulation cavity (24), a compression pipe (21) is communicated with the rear end wall of the speed regulation cavity (24), a compression pump (54) is communicated with the compression pipe (21), two speed regulation springs (25) which are symmetrical left and right are connected between one end, away from each other, of the two speed regulation plates (26) and the speed regulation cavity (24), vertically symmetrical thrust springs (23) are connected between one end, away from each other, of the two air plates (22) and the speed regulation cavity (24), a push rod (31) is fixedly arranged at the rear end, located on the right side, two vertically symmetrical semicircular fixing plates (28) are fixedly arranged in the air inlet pipe (27), the two fixing plates (28) are provided with semicircular sliding plates (29) in a sliding mode, an extrusion spring (30) is connected between the two sliding plates (29) and the air inlet pipe (27), and the push rod (31) can be abutted to the sliding plates (29) in a sliding mode from side to side.
3. An automated low-pressure casting hub production device according to claim 1, wherein: the moving mechanism (64) comprises a power motor (39) fixedly arranged at the upper end of the sliding plate (41), the upper end of the power motor (39) is in power connection with a spline shaft (37), a spline sleeve (62) is in spline fit on the periphery of the spline shaft (37), a transmission cavity (35) is formed in the top cover (34), the spline sleeve (62) is abutted to the upper wall and the lower wall of the transmission cavity (35), a transmission belt (38) is connected between the upper end of each of the two driven shafts (36) and the spline sleeve (62), a section of lead screw guide rail area (40) is arranged on the periphery of each of the driven shafts (36), the sliding plate (41) can slide up and down on the lead screw guide rail area (40), the lower end of the power motor (39) is in power connection with a driving shaft (42), and an upper template (56) is rotatably arranged at the lower end of the sliding plate (41), the upper end face of the upper template (56) is fixedly provided with a transmission shaft (44), a speed reducer (43) is connected between the transmission shaft (44) and the driving shaft (42), the lower end face of the upper template (56) is provided with two bilaterally symmetrical clamping blocks (52) in a sliding mode, and a push spring (53) is connected between the upper end of each clamping block (52) and the upper template (56).
4. An automated low-pressure casting hub production device according to claim 3, wherein: the casting mechanism (65) comprises side templates (61) which are arranged on the upper end face of the platform (60) in a sliding mode, a die cavity (49) is formed between the side templates (61) and the sliding plate (41), a lower die plate (50) can be inserted into the lower end face of the die cavity (49), two bilaterally symmetrical sliding cavities (45) are formed in the side templates (61), racks (46) are fixedly arranged in the sliding cavities (45), gears (47) are fixedly arranged on the periphery of the driven shaft (36), the gears (47) are meshed with the corresponding racks (46), two sets of heat exchange boxes (55) which are uniformly distributed in the circumferential direction and are symmetrical up and down are fixedly arranged at one ends, close to each other, of the side templates (61), spiral water rings (57) are fixedly embedded in the heat exchange boxes (55), and cold air pipes (58) are communicated with the heat exchange boxes (55), the periphery of the upper template (56) and the periphery of the lower template (50) are respectively fixedly provided with an annular sealing ring (59), and the lower end of the upper template (56) is fixedly provided with a temperature detector (51).
5. An automated low-pressure casting hub production device according to claim 1, wherein: the crucible has placed melt (12) in (10), the lower extreme rotation of platform (60) is equipped with adapter sleeve (16), the lower extreme intercommunication of adapter sleeve (16) is equipped with inlet tube (13) the interpolation is equipped with inlet tube (13) in melt (12), inlet tube (13) downwardly extending inserts in melt (12), the front end intercommunication of adapter sleeve (16) is equipped with two bilateral symmetry's connecting pipe (17), be equipped with solution pipe (48) on the up end of platform (60), two connecting pipe (17) extend forward afterwards upwards extend with solution pipe (48) intercommunication.
6. An automated low-pressure casting hub production device according to claim 1, wherein: the lower end face of the platform (60) is fixedly provided with an upwards sunken clamping groove (18), the lower end of the clamping groove (18) can be clamped with the crucible (10), and an electromagnetic valve (15) for controlling on-off is arranged in the air outlet pipe (14).
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| CN114160773B (en) | 2024-01-30 |
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