CN114525386A - Adjustable spray quenching device and method for heat treatment of passenger car hub - Google Patents
Adjustable spray quenching device and method for heat treatment of passenger car hub Download PDFInfo
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- CN114525386A CN114525386A CN202210151761.1A CN202210151761A CN114525386A CN 114525386 A CN114525386 A CN 114525386A CN 202210151761 A CN202210151761 A CN 202210151761A CN 114525386 A CN114525386 A CN 114525386A
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- 238000010791 quenching Methods 0.000 title claims abstract description 42
- 230000000171 quenching effect Effects 0.000 title claims abstract description 39
- 239000007921 spray Substances 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 238000005507 spraying Methods 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000000903 blocking effect Effects 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 4
- 239000008400 supply water Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses an adjustable spray quenching device and method for heat treatment of a passenger car hub, which comprises a rack and a conveying roller way arranged on the rack, wherein the bottom of the rack is connected with a bottom plate, a waterproof cover covers the outer side of the rack, and one side of the rack is connected with a drain pipe; a blocking column is arranged on the inner side of the rack and between adjacent conveying roller ways, and a blocking column transmission mechanism for adjusting the rotation of the blocking column is installed on the bottom plate; the invention can be provided with a plurality of devices to be matched for use according to actual requirements, can continuously quench the hub, the transmission mechanism of the blocking column can control the blocking column to rotate to limit the hub, and the positions of the upper annular spraying mechanism and the lower annular spraying mechanism can be accurately adjusted, so that after the upper annular spraying mechanism and the lower annular spraying mechanism are matched for use, the full coverage of quenching and cooling can be carried out on the inner surface and the outer surface of the hub and the upper surface and the lower surface of the spoke, the device is suitable for quenching treatment of hubs with different sizes, and the production efficiency of the hub can be greatly improved.
Description
Technical Field
The invention relates to the technical field of heat treatment of hubs, in particular to an adjustable spray quenching device and method for heat treatment of a passenger car hub.
Background
At present, the forming process of the aluminum alloy automobile hub is mainly low-pressure casting, and in order to improve the strength of the aluminum hub, the hub formed by casting needs to be subjected to heat treatment. At present, the heat treatment method of the aluminum alloy automobile hub is to carry out solution treatment at high temperature and then quench. The quenching in the heat treatment process of the aluminum alloy hub directly determines the comprehensive mechanical property of the hub. The existing hub quenching method is mainly the traditional immersion quenching, and because the quenching heat transfer is not uniform, larger hub deformation is easy to generate. For enterprises in continuous production, in order to reduce the influence of blank heat treatment deformation, a mode of increasing blank machining allowance is adopted in a factory, the mode does not substantially change the problem of heat treatment deformation, waste of materials and labor in production is easily caused, and the production cost is increased. It is therefore important to seek uniform heat transfer during the hub quenching process.
In recent years, the problems of uneven cooling state and stress distribution of materials in the traditional immersion quenching can be obviously improved by adjusting water flow density, water spraying pressure and the like through a roller-bottom spray quenching technology, and an effective technical approach is provided for regulation and control of different quenching cooling rates. For example, in a roller hearth quenching furnace disclosed in the prior application No. 201610158004.1, plates are sequentially brought in to be quenched in a roller table operation mode, but the roller hearth quenching furnace cannot be adapted to an annular structural component such as a hub; or the quenching device for the demolded cast aluminum alloy hub, disclosed in the prior application number 201510897834.1, can quench the hub in double stations, but has poor continuity and lacks an effective spraying mechanism.
Aiming at the problems, an adjustable spray quenching device and method for heat treatment of a passenger car hub are provided.
Disclosure of Invention
The invention provides an adjustable spray quenching device and method for heat treatment of a passenger car hub, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an adjustable spray quenching device for heat treatment of a passenger car hub comprises a rack and a conveying roller way arranged on the rack, wherein the bottom of the rack is connected with a bottom plate, a waterproof cover covers the outer side of the rack, and one side of the rack is connected with a drain pipe;
a blocking column is arranged on the inner side of the rack and between adjacent conveying roller ways, and a blocking column transmission mechanism for adjusting the blocking column to rotate is installed on the bottom plate;
the top of the conveying roller way is provided with an upper annular spraying mechanism and a first distance adjusting frame for installing the upper annular spraying mechanism, the bottoms of the two sides of the first distance adjusting frame are connected with a first lifting frame, the first lifting frame is installed in an adjusting seat, and a first adjusting mechanism for adjusting the lifting of the first lifting frame is installed on the adjusting seat;
the bottom of the conveying roller way is provided with a lower annular spraying mechanism and a transverse supporting plate for installing the lower annular spraying mechanism, the bottoms of two sides of the transverse supporting plate are connected with second lifting frames, the second lifting frames are installed in an adjusting seat, and a second adjusting mechanism for adjusting the lifting of the second lifting frames is installed on the adjusting seat;
and the bottom plate is connected with a centering adjusting mechanism for controlling the position of the adjusting seat in the conveying direction of the conveying roller way.
Preferably, the blocking column is close to one side of a frame and is connected with the rotating shaft, a rotating part used for stabilizing and rotating the rotating shaft is arranged on the frame, the side wall of one end, away from the rotating shaft, of the blocking column is connected with the blocking block, and the outer diameter of the blocking column is equal to the outer diameter of the conveying roller in the conveying roller way.
Preferably, it includes the driving disc to block post drive mechanism, connects between two sets of driving disc axle heads and links up the pole, be connected with on the bottom plate and be used for supporting the pole of linking and stabilize pivoted and support bearing frame, install on the bottom plate and be used for driving one of them set of driving disc pivoted third motor, the eccentric department that the driving disc is close to linking pole one side rotates and connects the output pole, the output pole is kept away from driving disc one end and is rotated and connect the input rod, the input rod is kept away from the one end that output pole one end fixed connection axis of rotation extends the frame.
Preferably, first adjustment mechanism is including connecting the first rack in first crane one side, adjust seat one side and connect the mounting bracket, install first motor on the mounting bracket, be connected with on the first motor shaft with first rack toothing's driving gear, the driving gear passes through the first rack of driving medium drive another group and goes up and down, first crane slides and sets up in adjusting the seat.
Preferably, the second adjusting mechanism comprises a second motor installed on the installation frame, one side, away from the first rack, of the second lifting frame is connected with a second rack, a driving gear meshed with the first motor is connected to a motor shaft of the second motor, the driving gear drives another group of second racks to lift through a transmission part, and the second lifting frame is arranged in the adjusting seat in a sliding mode.
Preferably, the transmission part comprises a transmission rod connected with the driving gear, two ends of the transmission rod are rotatably connected with bearing seats arranged on the side wall of the adjusting seat, one end of the transmission rod, far away from the driving gear, is connected with a gear, one group of gears are meshed with a first rack, and the other group of gears are meshed with a second rack.
Preferably, centering adjustment mechanism is including connecting the removal seat in adjusting the seat bottom, remove seat one side and connect the removal cover, install centering adjusting pulley in the removal cover, be equipped with on the bottom plate and be used for the gliding slide rail of centering adjusting pulley, remove the seat and keep away from removal cover one side and connect horizontal rack, horizontal rack bottom and bottom plate sliding fit, adjusting gear is connected in the meshing of horizontal rack top, and two sets of adjusting gear axle heads pass through the gangbar and connect, install on the bottom plate and be used for adjusting gear to stabilize pivoted location bearing frame, be connected with on the bottom plate and be used for driving one of them set of adjusting gear pivoted fourth motor, be connected with on the bottom plate and be used for carrying out the guard shield that protects horizontal rack and adjusting gear.
Preferably, the upper annular spraying mechanism comprises an adjusting cylinder, an upper central nozzle and an upper nozzle, the top of the adjusting cylinder is in threaded connection with a cross beam of the first distance adjusting frame, the adjusting cylinder is also in threaded connection with two groups of fixing nuts for fixing the adjusting cylinder, the two groups of fixing nuts are respectively positioned at the top and the bottom of the cross beam, the adjusting cylinder is sleeved with a fixing ring, and the top and the bottom of the fixing ring are respectively provided with an adjusting threaded seat in threaded connection with the adjusting cylinder; go up central nozzle and connect in adjusting the bobbin base portion, it is that the circumference array is provided with three groups to go up the nozzle, go up the nozzle top and connect down the connecting rod, the articulated chain link in connecting rod top down, go up the link joint and keep away from the articulated section of thick bamboo lateral wall of adjusting of lower connecting rod one end, the articulated chain link down in connecting rod bottom, the articulated connecting rod of going up in chain link middle part is kept away from to lower connecting rod one end, go up the articulated fixed ring bottom of chain link middle part, it is the delivery port to keep away from an adjusting section of thick bamboo one end to go up central nozzle, it is the delivery port to go up central nozzle one end of keeping away from, be connected with the first raceway that is used for going up central nozzle and last nozzle water supply on the first roll adjustment frame.
Preferably, the lower annular spraying mechanism comprises a lower nozzle and a lower central nozzle, a middle water outlet pipe and three groups of second water pipes connected to the middle water outlet pipe are mounted on the transverse support plate, the lower central nozzle is mounted on the middle water outlet pipe, the lower nozzles are circumferentially arranged in three groups, the lower nozzles are mounted on the lower nozzle adjusting frame, the top of one end, far away from the middle water outlet pipe, of each second water pipe is connected with the lower nozzle fixing seat, and the lower nozzle adjusting frame is mounted on the lower nozzle fixing seat.
Compared with the prior art, the invention has the beneficial effects that:
the transmission mechanism of the blocking column can control the blocking column to rotate to limit the hub, and the positions of the upper annular spraying mechanism and the lower annular spraying mechanism can be accurately adjusted, so that after the upper annular spraying mechanism and the lower annular spraying mechanism are matched for use, the full coverage of quenching and cooling can be carried out on the inner surface and the outer surface of the hub and the upper surface and the lower surface of the spoke, and the transmission mechanism of the blocking column is suitable for quenching treatment of the hub;
according to the invention, a plurality of devices can be arranged according to actual requirements for matching use, the cavity space of the existing roller-hearth type spray quenching furnace can be fully utilized, the number of hubs entering a conveying roller way in a batch is determined according to the length of the conveying roller way and the diameter of the hubs, the rotating speed of the roller way is set, and the hubs can be continuously quenched;
the mutual matching of the mechanisms in the invention can uniformly spray the hub, the quenching heat transfer of the hub is uniform, the deformation is small, the automation degree is improved, the quenching heat treatment device is suitable for quenching heat treatment of hubs with different sizes, the production efficiency of the hub can be greatly improved, and the quenching heat treatment device has a good effect on high-efficiency production of the heat treatment of the hub.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention with the waterproof cover removed.
Fig. 3 is a schematic structural diagram of the first distance adjusting frame and the first adjusting mechanism in the invention.
Fig. 4 is a partial structural schematic diagram of the first adjusting mechanism in the present invention.
Fig. 5 is a schematic structural view of an upper annular spraying mechanism in the invention.
Fig. 6 is a schematic structural view of the lower annular spraying mechanism and the second adjusting mechanism in the invention.
Fig. 7 is a schematic structural diagram of a second adjustment mechanism according to the present invention.
Fig. 8 is a partial structural schematic view of the lower annular spraying mechanism of the invention.
Fig. 9 is a schematic structural view of the barrier column transmission mechanism of the present invention.
Fig. 10 is a schematic structural view of the centering adjustment mechanism of the present invention.
In the figure: 11. a drain pipe; 12. a waterproof cover; 13. a rollgang; 14. a frame; 15. a first distance adjusting frame; 16. an upper annular spraying mechanism; 17. a lower annular spraying mechanism; 18. a blocking post; 19. a barrier column transmission mechanism; 20. a first adjustment mechanism; 21. a second adjustment mechanism; 23. a first water delivery pipe; 24. a first lifting frame; 25. an adjusting seat; 26. a first rack; 27. a mounting frame; 28. a first motor; 29. a transmission rod; 30. a bearing seat; 31. a gear; 32. fixing the circular ring; 33. adjusting the threaded seat; 34. an adjusting cylinder; 35. fixing a nut; 36. a lower connecting rod; 37. an upper central nozzle; 38. an upper nozzle; 39. a lower chain plate; 40. a chain plate is arranged; 41. an upper connecting rod; 42. a transverse support plate; 43. a second water delivery pipe; 44. a lower nozzle fixing seat; 45. a lower nozzle; 46. a second lifting frame; 47. a second motor; 48. a second rack; 49. a lower central nozzle; 50. a lower nozzle adjusting bracket; 51. a blocking block; 52. an input lever; 53. an output rod; 54. a drive plate; 55. a connecting rod; 56. a third motor; 57. a base plate; 58. a movable seat; 59. centering adjusting pulleys; 60. a fourth motor; 61. a linkage rod; 62. an adjusting gear; 63. a transverse rack.
Detailed Description
Referring to fig. 1-10, in the embodiment of the present invention, an adjustable spray quenching device for heat treatment of a wheel hub of a passenger car includes a frame 14 and a roller conveyor 13 mounted on the frame 14, wherein the bottom of the frame 14 is connected to a bottom plate 57, a waterproof cover 12 is covered on the outer side of the frame 14, and a water drainage pipe 11 is connected to one side of the frame 14;
the waste water during spraying can enter the bottom of the inner cavity of the waterproof cover 12 and then is discharged from the drain pipe 11, and the waterproof cover 12 and the drain pipe 11 can be laid according to actual production;
a blocking column 18 is arranged on the inner side of the rack 14 and between the adjacent conveying roller ways 13, and a blocking column transmission mechanism 19 for adjusting the rotation of the blocking column 18 is installed on the bottom plate 57; the blocking column transmission mechanism 19 controls the blocking column 18 to rotate, so that after the blocking block 51 on the blocking column 18 carries out limiting blocking on the hub, the corresponding conveying roller way 13 can stop working, and the subsequent stable spraying of the hub is facilitated;
an upper annular spraying mechanism 16 and a first distance adjusting frame 15 for installing the upper annular spraying mechanism 16 are arranged at the top of the conveying roller table 13, the bottoms of the two sides of the first distance adjusting frame 15 are connected with first lifting frames 24, the first lifting frames 24 are installed in an adjusting seat 25, and a first adjusting mechanism 20 for adjusting the lifting of the first lifting frames 24 is installed on the adjusting seat 25;
when the hub moves, the first adjusting mechanism 20 adjusts the first lifting frame 24 to lift, so that the upper annular spraying mechanism 16 can be far away from the hub;
the bottom of the conveying roller table 13 is provided with a lower annular spraying mechanism 17 and a transverse support plate 42 for installing the lower annular spraying mechanism 17, the bottoms of the two sides of the transverse support plate 42 are connected with a second lifting frame 46, the second lifting frame 46 is installed in the adjusting seat 25, and the adjusting seat 25 is provided with a second adjusting mechanism 21 for adjusting the lifting of the second lifting frame 46;
when the wheel hub moves, the second adjusting mechanism 21 adjusts the second lifting frame 46 to lower, so that the lower annular spraying mechanism 17 is far away from the wheel hub and is positioned below the conveying roller table 13, and interference generated when the wheel hub moves forwards is prevented.
The bottom plate 57 is connected with a centering adjusting mechanism for controlling the position of the adjusting seat 25 in the conveying direction of the conveying roller way 13; when the replacement is needed, in order to ensure that the middle parts of the upper annular spraying mechanism 16 and the lower annular spraying mechanism 17 are positioned at the circle center position of the hub, the adjusting seat 25 can be moved through the centering adjusting mechanism, so that the positions of the upper annular spraying mechanism 16 and the lower annular spraying mechanism 17 can be synchronously adjusted.
One side of the blocking column 18, which is close to the frame of the rack 14, is connected with a rotating shaft, a rotating part for stably rotating the rotating shaft is arranged on the rack 14, the side wall of one end, which is far away from the rotating shaft, of the blocking column 18 is connected with a blocking block 51, and the outer diameter of the blocking column 18 is equal to the outer diameter of a conveying roller in the conveying roller table 13; when the blocking block 51 faces the top of the roller conveyor 13, the blocking block 51 can protrude out of the top surface of the roller conveyor 13 to limit the advance of the hub, and in order to consider heat insulation and prevent heat transfer damage to components of the solid-solution hub, the blocking column 18 and the blocking block 51 are made of heat insulation materials.
The blocking column transmission mechanism 19 comprises transmission discs 54, a joint rod 55 is connected between the shaft ends of two groups of transmission discs 54, a support bearing seat for supporting the joint rod 55 to stably rotate is connected to the bottom plate 57, a third motor 56 for driving one group of transmission discs 54 to rotate is mounted on the bottom plate 57, the transmission disc 54 is rotatably connected to an output rod 53 at an eccentric position close to one side of the joint rod 55, one end, far away from the transmission discs 54, of the output rod 53 is rotatably connected to an input rod 52, and one end, far away from the output rod 53, of the input rod 52 is fixedly connected to one end, far away from the output rod 53, of the rotation shaft, of the input rod 52 extends out of the frame of the rack 14;
when the blocking column 18 needs to be controlled to block, the third motor 56 rotates, so that the two groups of transmission discs 54 are controlled to rotate, when the transmission discs 54 rotate, the input rod 52 can be stirred through the output rod 53, the input rod 52 drives the rotating shaft to rotate, and the blocking column 18 is driven to rotate.
The first adjusting mechanism 20 comprises a first rack 26 connected to one side of the first lifting frame 24, one side of the adjusting seat 25 is connected with an installation frame 27, a first motor 28 is installed on the installation frame 27, a motor shaft of the first motor 28 is connected with a driving gear meshed with the first rack 26, the driving gear drives another group of first racks 26 to lift through a transmission part, and the first lifting frame 24 is slidably arranged in the adjusting seat 25; the transmission part comprises a transmission rod 29 connected with the driving gear, two ends of the transmission rod 29 are rotatably connected with bearing seats 30 arranged on the side wall of the adjusting seat 25, one end of the transmission rod 29, far away from the driving gear, is connected with a gear 31, and the gear 31 is meshed with the first rack 26;
when the height of the upper annular spraying mechanism 16 needs to be adjusted, the first motor 28 works to drive the driving gear to rotate, the driving gear drives the gear 31 to rotate through the transmission rod 29, the gear 31 and the driving gear synchronously rotate, and the first rack 26 is controlled to move in the vertical direction, so that the first lifting frame 24 is controlled to slide in the adjusting seat 25 to adjust the height, and the height of the upper annular spraying mechanism 16 is adjusted.
The second adjusting mechanism 21 comprises a second motor 47 installed on the installation frame 27, one side, far away from the first rack 26, of the second lifting frame 46 is connected with a second rack 48, a motor shaft of the second motor 47 is connected with a driving gear meshed with the first motor 28, the driving gear drives another group of second racks 48 to lift through a transmission part, and the second lifting frame 46 is arranged in the adjusting seat 25 in a sliding mode; the transmission part comprises a transmission rod 29 connected with the driving gear, two ends of the transmission rod 29 are rotatably connected with bearing seats 30 arranged on the side wall of the adjusting seat 25, one end of the transmission rod 29, far away from the driving gear, is connected with a gear 31, the gear 31 is meshed with a first rack 26, and the gear 31 is meshed with a second rack 48;
when the height of the lower annular spraying mechanism 17 needs to be adjusted, the second motor 47 works to drive the driving gear to rotate, the driving gear drives the gear 31 to rotate through the transmission rod 29, the gear 31 and the driving gear rotate synchronously, and the second rack 48 is controlled to move in the vertical direction, so that the second lifting frame 46 is controlled to slide in the adjusting seat 25 to adjust the height, and the height of the lower annular spraying mechanism 17 is adjusted.
The centering adjusting mechanism comprises a moving seat 58 connected to the bottom of the adjusting seat 25, one side of the moving seat 58 is connected with a moving cover, a centering adjusting pulley 59 is installed in the moving cover, a sliding rail used for sliding the centering adjusting pulley 59 is arranged on the bottom plate 57, one side, far away from the moving cover, of the moving seat 58 is connected with a transverse rack 63, the bottom of the transverse rack 63 is in sliding fit with the bottom plate 57, the top of the transverse rack 63 is meshed with an adjusting gear 62, the shaft ends of the two groups of adjusting gears 62 are connected through a linkage rod 61, a positioning bearing seat used for stably rotating the adjusting gear 62 is installed on the bottom plate 57, a fourth motor 60 used for driving one group of adjusting gears 62 to rotate is connected on the bottom plate 57, and a shield used for protecting the transverse rack 63 and the adjusting gear 62 is connected on the bottom plate 57;
when the change of the position is needed, in order to ensure that the middle parts of the upper annular spraying mechanism 16 and the lower annular spraying mechanism 17 are located at the circle center position of the hub, the fourth motor 60 works to drive the adjusting gear 62 to rotate, the two groups of adjusting gears 62 synchronously rotate to drive the transverse rack 63 to move, so that the moving seat 58 can be pulled to move, the moving seat 58 can drive the adjusting seat 25 to move, and the upper annular spraying mechanism 16 and the lower annular spraying mechanism 17 can be driven to move and adjust the position because the first lifting frame 24, the first adjusting mechanism 20, the second lifting frame 46 and the second adjusting mechanism 21 are all installed on the adjusting seat 25.
The upper annular spraying mechanism 16 comprises an adjusting cylinder 34, an upper central nozzle 37 and an upper nozzle 38, the top of the adjusting cylinder 34 is in threaded connection with a cross beam of the first distance adjusting frame 15, the adjusting cylinder 34 is also in threaded connection with two groups of fixing nuts 35 for fixing the adjusting cylinder 34, the two groups of fixing nuts 35 are respectively positioned at the top and the bottom of the cross beam, the adjusting cylinder 34 is sleeved with a fixing ring 32, and the top and the bottom of the fixing ring 32 are both provided with adjusting threaded seats 33 in threaded connection with the adjusting cylinder 34;
after the adjusting cylinder 34 is connected to the cross beam of the first distance adjusting frame 15, the fixing nut 35 can be rotated to be close to the cross beam, the position of the adjusting cylinder 34 is further fixed, and the two groups of adjusting threaded seats 33 can move on the adjusting cylinder 34 to adjust the position of the fixing ring 32.
The upper central nozzles 37 are connected to the bottom of the adjusting cylinder 34, three groups of the upper nozzles 38 are arranged in a circumferential array, the top of each upper nozzle 38 is connected with a lower connecting rod 36, the top end of each lower connecting rod 36 is hinged with an upper chain plate 40, one end, far away from the lower connecting rod 36, of each upper chain plate 40 is hinged with the side wall of the adjusting cylinder 34, the bottom end of each lower connecting rod 36 is hinged with a lower chain plate 39, one end, far away from the lower connecting rod 36, of each lower chain plate 39 is hinged with the side wall of the adjusting cylinder 34, the middle of each upper chain plate 40 is hinged with an upper connecting rod 41, one end, far away from the upper chain plate 40, of each upper connecting rod 41 is hinged with the bottom of the fixed ring 32, one end, far away from the adjusting cylinder 34, of each upper central nozzle 37 is a water outlet, one end, far away from the upper central nozzles 37 is a water outlet, and the first distance adjusting frame 15 is connected with a first water conveying pipe 23 for supplying water to the upper central nozzles 37 and the upper nozzles 38; the upper central nozzle 37 and the upper nozzle 38 can spray the inner ring of the hub and the upper surface of the rim;
when the angle between the upper nozzle 38 and the horizontal plane needs to be adjusted according to the size of the hub, the position of the fixed ring 32 on the adjusting cylinder 34 can be adjusted, the fixed ring 32 can drive the upper connecting rod 41 to move when moving, the upper connecting rod can pull the upper chain plate 40 to rotate around the hinge joint with the adjusting cylinder 34, so that the lower connecting rod 36 can be pulled to move, and meanwhile, the lower chain plate 39 can rotate around the hinge joint with the adjusting cylinder 34 to support the stable movement of the lower connecting rod 36.
The lower annular spraying mechanism 17 comprises a lower nozzle 45 and a lower central nozzle 49, a middle water outlet pipe and three groups of second water conveying pipes 43 connected to the middle water outlet pipe are mounted on the transverse support plate 42, the lower central nozzle 49 is mounted on the middle water outlet pipe, the lower nozzles 45 are circumferentially arranged in three groups, the lower nozzles 45 are mounted on a lower nozzle adjusting frame 50, the top of one end, far away from the middle water outlet pipe, of the second water conveying pipe 43 is connected with a lower nozzle fixing seat 44, and the lower nozzle adjusting frame 50 is mounted on the lower nozzle fixing seat 44;
The device can be used as a single module, a plurality of devices can be arranged according to actual requirements for matching use, in actual use, the cavity space of the existing roller-hearth spray quenching furnace can be fully utilized, the number of the hubs entering the conveying roller way in a batch is determined according to the length of the conveying roller way and the diameter of the hubs, the rotating speed of the roller way is set, the hubs can be continuously quenched, and the spacing distance of the hubs on the roller way is determined by the releasing speed of the hubs after solid solution is completed;
when the invention is used, each wheel hub after solid solution enters the roller conveyor 13 in a mode that the spoke is arranged below and the opening is arranged upwards, when the wheel hub moves to the middle part of the roller conveyor 13 in the process of advancing, the roller conveyor 13 stops working, the blocking column transmission mechanism 19 works, the third motor 56 drives the transmission disc 54 to rotate, the output rod 53 drives the blocking column 18 to rotate through the input rod 52, and the blocking block 51 is lifted to limit the wheel hub;
when the centering adjusting mechanism works, the fourth motor 60 drives the adjusting gear 62 to rotate, so that the transverse rack 63 can drag the moving seat 58 to move, the adjusting seat 25 is driven to horizontally move, the positions of the upper annular spraying mechanism 16 and the lower annular spraying mechanism 17 are adjusted, and the middle parts of the upper central nozzle 37 and the lower central nozzle 49 can coincide with the axis of the hub;
the first adjusting mechanism 20 works to adjust the first distance adjusting frame 15 to descend, so that the upper annular spraying mechanism 16 sprays the inner ring of the hub and the upper surface of the rim, the second adjusting mechanism 21 works to adjust the transverse supporting plate 42 to ascend, and the lower annular spraying mechanism 17 sprays the outer ring of the hub and the lower surface of the rim;
after spraying, the first distance adjusting frame 15 and the lower annular spraying mechanism 17 are reset, the third motor 56 drives the transmission disc 54 to rotate reversely, so that the blocking column 18 drives the blocking block 51 to rotate to one side, and the conveying roller way 13 works to convey the hub.
Claims (10)
1. An adjustable spray quenching device for heat treatment of a passenger car hub comprises a rack (14) and a conveying roller way (13) installed on the rack (14), wherein the bottom of the rack (14) is connected with a bottom plate (57), a waterproof cover (12) is covered on the outer side of the rack (14), and one side of the rack (14) is connected with a water drainage pipe (11);
the device is characterized in that a blocking column (18) is arranged on the inner side of the rack (14) and between adjacent conveying roller ways (13), and a blocking column transmission mechanism (19) for adjusting the rotation of the blocking column (18) is installed on the bottom plate (57);
an upper annular spraying mechanism (16) and a first distance adjusting frame (15) used for installing the upper annular spraying mechanism (16) are arranged at the top of the conveying roller way (13), the bottoms of the two sides of the first distance adjusting frame (15) are connected with first lifting frames (24), the first lifting frames (24) are installed in an adjusting seat (25), and a first adjusting mechanism (20) used for adjusting the lifting of the first lifting frames (24) is installed on the adjusting seat (25);
a lower annular spraying mechanism (17) and a transverse supporting plate (42) for mounting the lower annular spraying mechanism (17) are arranged at the bottom of the conveying roller way (13), the bottoms of the two sides of the transverse supporting plate (42) are connected with second lifting frames (46), the second lifting frames (46) are mounted in the adjusting base (25), and a second adjusting mechanism (21) for adjusting the lifting of the second lifting frames (46) is mounted on the adjusting base (25);
the bottom plate (57) is connected with a centering adjusting mechanism for controlling the position of the adjusting seat (25) in the conveying direction of the conveying roller way (13).
2. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 1, wherein one side of the blocking column (18) close to the frame (14) is connected with a rotating shaft, the frame (14) is provided with a rotating part for stable rotation of the rotating shaft, the side wall of one end of the blocking column (18) far away from the rotating shaft is connected with a blocking block (51), and the outer diameter of the blocking column (18) is equal to the outer diameter of a conveying roller in the conveying roller table (13).
3. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 2, wherein the blocking column transmission mechanism (19) comprises transmission discs (54), a connecting rod (55) is connected between the shaft ends of two groups of transmission discs (54), a supporting bearing seat for supporting the connecting rod (55) to stably rotate is connected to the bottom plate (57), a third motor (56) for driving one group of transmission discs (54) to rotate is installed on the bottom plate (57), the eccentric part of one side, close to the connecting rod (55), of the transmission disc (54) is rotatably connected to an output rod (53), one end, far away from the transmission discs (54), of the output rod (53) is rotatably connected to the input rod (52), and one end, far away from the output rod (53), of the input rod (52) is fixedly connected to one end, far away from the output rod (53), of the rotating shaft, of the input rod (52) is fixedly connected to one end, far away from the frame (14).
4. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 1, wherein the first adjusting mechanism (20) comprises a first rack (26) connected to one side of a first lifting frame (24), one side of the adjusting seat (25) is connected with a mounting frame (27), a first motor (28) is mounted on the mounting frame (27), a motor shaft of the first motor (28) is connected with a driving gear meshed with the first rack (26), the driving gear drives another group of first racks (26) to lift through a transmission part, and the first lifting frame (24) is slidably arranged in the adjusting seat (25).
5. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 4, wherein the second adjusting mechanism (21) comprises a second motor (47) installed on the installation frame (27), one side of the second lifting frame (46) far away from the first rack (26) is connected with a second rack (48), a motor shaft of the second motor (47) is connected with a driving gear meshed with the first motor (28), the driving gear drives another group of second racks (48) to lift through a transmission part, and the second lifting frame (46) is slidably arranged in the adjusting seat (25).
6. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 5, wherein the transmission member comprises a transmission rod (29) connected with the driving gear, both ends of the transmission rod (29) are rotatably connected with bearing seats (30) arranged on the side wall of the adjusting seat (25), one end of the transmission rod (29) far away from the driving gear is connected with a gear (31), one set of the gear (31) is meshed with the first rack (26), and the other set of the gear (31) is meshed with the second rack (48).
7. The adjustable spray quenching device for heat treatment of the wheel hub of a passenger car according to claim 1, wherein the centering adjusting mechanism comprises a moving seat (58) connected to the bottom of the adjusting seat (25), one side of the moving seat (58) is connected with a moving cover, a centering adjusting pulley (59) is installed in the moving cover, a sliding rail for sliding the centering adjusting pulley (59) is arranged on the bottom plate (57), the moving seat (58) is far away from one side of the moving cover and is connected with a transverse rack (63), the bottom of the transverse rack (63) is in sliding fit with the bottom plate (57), the top of the transverse rack (63) is meshed with an adjusting gear (62), two sets of adjusting gear (62) shaft ends are connected through a linkage rod (61), a positioning bearing seat for stably rotating the adjusting gear (62) is installed on the bottom plate (57), and a fourth motor (60) for driving one set of adjusting gears (62) to rotate is connected to the bottom plate (57) ) And a shield used for protecting the transverse rack (63) and the adjusting gear (62) is connected to the bottom plate (57).
8. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 1, wherein the upper annular spray mechanism (16) comprises an adjusting cylinder (34), an upper central nozzle (37) and an upper nozzle (38), the top of the adjusting cylinder (34) is in threaded connection with a cross beam of the first distance adjusting frame (15), the adjusting cylinder (34) is further in threaded connection with two sets of fixing nuts (35) for fixing the adjusting cylinder (34), the two sets of fixing nuts (35) are respectively positioned at the top and the bottom of the cross beam, a fixing ring (32) is sleeved on the adjusting cylinder (34), and the top and the bottom of the fixing ring (32) are respectively provided with an adjusting threaded seat (33) in threaded connection with the adjusting cylinder (34);
go up central nozzle (37) and connect in adjusting a section of thick bamboo (34) bottom, it is that the circumference array is provided with three groups to go up nozzle (38), go up nozzle (38) top and connect down link rod (36), link rod (36) top is articulated to link up chain plate (40) down, go up link plate (40) and keep away from articulated a section of thick bamboo (34) lateral wall of adjusting of lower link rod (36) one end, link rod (36) bottom is articulated down link plate (39) down, link rod (36) one end is articulated to adjust a section of thick bamboo (34) lateral wall down is kept away from in link plate (39), go up link plate (40) middle part articulated connecting rod (41) of going up, link rod (41) are kept away from articulated fixed ring (32) bottom of link plate (40) one end, it is the delivery port to go up central nozzle (37) one end of keeping away from and adjusting a section of thick bamboo (34), it is the delivery port to go up central nozzle (37) one end to keep away from in upper nozzle (38), be connected with on first roll adjustment frame (15) and be used for going up central nozzle (37) and supply water The first water duct (23).
9. The adjustable spray quenching device for heat treatment of the wheel hub of the passenger car according to claim 1, wherein the lower annular spray mechanism (17) comprises lower nozzles (45) and lower central nozzles (49), the transverse support plate (42) is provided with a middle water outlet pipe and three groups of second water pipes (43) connected to the middle water outlet pipe, the lower central nozzles (49) are arranged on the middle water outlet pipe, the lower nozzles (45) are arranged in three groups in a circumferential array, the lower nozzles (45) are arranged on the lower nozzle adjusting frame (50), the top of one end, far away from the middle water outlet pipe, of each second water pipe (43) is connected with the lower nozzle fixing seat (44), and the lower nozzle adjusting frame (50) is arranged on the lower nozzle fixing seat (44).
10. The use method of the adjustable spray quenching device for the heat treatment of the wheel hub of the passenger car as claimed in any one of claims 1 to 9 is characterized by comprising the following steps:
step one, each wheel hub after solid solution enters a conveying roller way (13) in an upward opening arrangement mode according to the condition that a spoke is arranged below the wheel hub, when the wheel hub moves to the middle of the conveying roller way (13) in the process of moving forward, the conveying roller way (13) stops working, a blocking column transmission mechanism (19) works, a third motor (56) drives a transmission disc (54) to rotate, an output rod (53) drives a blocking column (18) to rotate through an input rod (52), and a blocking block (51) is lifted to limit the wheel hub;
step two, the centering adjusting mechanism works, the fourth motor (60) drives the adjusting gear (62) to rotate, the transverse rack (63) can drag the moving seat (58) to move, so that the adjusting seat (25) is driven to move horizontally, the positions of the upper annular spraying mechanism (16) and the lower annular spraying mechanism (17) are adjusted, and the middle parts of the upper central nozzle (37) and the lower central nozzle (49) can coincide with the axis of the hub;
step three, the first adjusting mechanism (20) works to adjust the first distance adjusting frame (15) to descend, so that the upper annular spraying mechanism (16) sprays the inner ring of the hub and the upper surface of the rim, the second adjusting mechanism (21) works to adjust the transverse supporting plate (42) to ascend, and the lower annular spraying mechanism (17) sprays the outer ring of the hub and the lower surface of the rim;
and fourthly, after spraying is finished, the first distance adjusting frame (15) and the lower annular spraying mechanism (17) are reset, the third motor (56) drives the transmission disc (54) to rotate reversely, the blocking column (18) drives the blocking block (51) to rotate to one side, and the conveying roller way (13) works to convey the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151761.1A CN114525386B (en) | 2022-02-18 | 2022-02-18 | Adjustable spray quenching device and method for heat treatment of hubs of passenger cars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210151761.1A CN114525386B (en) | 2022-02-18 | 2022-02-18 | Adjustable spray quenching device and method for heat treatment of hubs of passenger cars |
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| CN114525386A true CN114525386A (en) | 2022-05-24 |
| CN114525386B CN114525386B (en) | 2024-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106390A (en) * | 2022-08-31 | 2022-09-27 | 河南速轮精密制造有限责任公司 | Water spraying device for descaling train wheel round steel blank |
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| Publication number | Publication date |
|---|---|
| CN114525386B (en) | 2024-05-24 |
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