CN105618664A - Automatic production line for forging of magnesium alloy automobile hubs - Google Patents
Automatic production line for forging of magnesium alloy automobile hubs Download PDFInfo
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- CN105618664A CN105618664A CN201610085923.0A CN201610085923A CN105618664A CN 105618664 A CN105618664 A CN 105618664A CN 201610085923 A CN201610085923 A CN 201610085923A CN 105618664 A CN105618664 A CN 105618664A
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- forging
- magnesium alloy
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- forging machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/40—Making machine elements wheels; discs hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
- B21J17/02—Forge furnaces electrically heated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Forging (AREA)
Abstract
The invention relates to the field of forging equipment, and aims to provide an automatic production line for forging of magnesium alloy automobile hubs. The automatic production line for forging of the magnesium alloy automobile hubs comprises a tunnel furnace, at least two hydraulic forging machines and a magnesium alloy automobile hub forming device; a mould base of each hydraulic forging machine is provided with a forging mould; each hydraulic forging machine is provided with a deforming speed and deforming rate control system; and the automatic production line for forging of the magnesium alloy automobile hubs further comprises a transposition conveying device, an adaption connection table, a plurality of transposition devices and a relay heating system. The automatic production line for forging of the magnesium alloy automobile hubs is high in production efficiency; and forged magnesium alloy automobile hubs are compact in texture, uniform in content and high in mechanical strength.
Description
Technical field
The present invention relates to forging equipment field, especially a kind of magnesium alloy auto hub forging automatic assembly line.
Background technology
Magnesium alloy materials have lightweight, specific strength is high, elastic modelling quantity is good, shock-absorbing vibration damping is good, the feature that can all recycle, adopting magnesium alloy materials to manufacture automotive hub is the boss material of the best after aluminum alloy materials, the handling of automobile, acceleration and braking ability and energy fuel-efficient 10% to 14% can be improved; The coarse grains of magnesium alloy materials and lattice are hexagonal square arrangement, and the degree of crystal grain dislocation movement by slip at normal temperatures is very low, it is difficult to plastic deformation; When pyroplastic deformability, deformation temperature change scope is narrower, and requires very sensitive to the control of rate of deformation, deformation velocity; Traditional magnesium alloy auto hub forming method, low pressure casting method such as Shanghai Communications University's light-alloy institute, and for example Northcentral University first casts and forges two step method afterwards, although production efficiency is higher, but there is the deficiency that magnesium alloy auto hub tissue is fine and close not and composition is uniform not, mechanical strength is relatively low; Need small deformation amount multi-step forging with forging molding process wrought magnesium alloy automotive hub, there is the deficiency that production efficiency is relatively low; Therefore, a kind of production efficiency of design is higher, and the magnesium alloy auto hub dense structure of forging and uniform ingredients, magnesium alloy auto hub forging automatic assembly line that mechanical strength is higher, becomes problem demanding prompt solution.
Summary of the invention
The invention aims to overcome and produce magnesium alloy auto hub with traditional moulding process, there is the deficiency that magnesium alloy auto hub tissue is fine and close not and composition is uniform not, mechanical strength is relatively low or production efficiency is relatively low, there is provided a kind of production efficiency higher, and the magnesium alloy auto hub dense structure of forging and uniform ingredients, magnesium alloy auto hub forging automatic assembly line that mechanical strength is higher.
The concrete technical scheme of the present invention is:
A kind of magnesium alloy auto hub forging automatic assembly line, including: continuous tunnel furnace, equipped with the hydrostatic forging machine of forging die at least two die holder, magnesium alloy auto hub shaped device; Hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system; Described magnesium alloy auto hub forging automatic assembly line also includes: transposition conveyer device and through position, several turn devices, relays heating system. This magnesium alloy auto hub forging automatic assembly line, adopt the hydrostatic forging machine small deformation amount multi-step forging equipped with forging die on multiple die holder, magnesium alloy auto hub shaped device carries out wheel rim and is extruded to shape, and makes the magnesium alloy auto hub dense structure of forging and uniform ingredients, mechanical strength higher; By transposition conveyer device, several turn device transpositions and by relaying heating system relaying heating, production efficiency is higher; Hydrostatic forging machine be provided with deformation velocity and rate of deformation control system can the better deflection in controlled forge process process. The structure of magnesium alloy auto hub shaped device can obtain understanding from a kind of magnesium alloy auto hub shaped device of the disclosure of the invention of China Patent No. CN201510125098.8 and moulding process; The establishing method of deformation velocity and rate of deformation can obtain understanding from the establishing method of a kind of high-temperature alloy forging hydraulic press strain rate of the disclosure of the invention of China Patent No. CN201110279996.0.
As preferably, described hydrostatic forging machine has four; Forging die includes: be loaded on the blocker on the die holder of first hydrostatic forging machine; It is loaded on the pre-profiling mould on the die holder of second hydrostatic forging machine; It is loaded on the precisive shaped mould on the die holder of the 3rd hydrostatic forging machine, is loaded on the finishing pattern on the die holder of the 4th hydrostatic forging machine; Turn device is be provided with the industrial robot of grabbing device or be provided with the position rotating mechanical hand of grabbing device; Turn device has five; First turn device is at continuous tunnel furnace, between first hydrostatic forging machine and transposition conveyer device, second turn device is between second hydrostatic forging machine and transposition conveyer device, 3rd turn device is at the 3rd between hydrostatic forging machine and transposition conveyer device, 4th turn device is at the 4th hydrostatic forging machine, between transposition conveyer device and through position, and the 5th turn device is between through position and magnesium alloy auto hub shaped device. Forging die includes: blocker, pre-profiling mould, precisive shaped mould and finishing pattern, takes into account small deformation amount multi-step forging requirement and production efficiency; Turn device is be provided with the industrial robot of grabbing device or be provided with the position rotating mechanical hand of grabbing device, and general part, transposition is convenient and practical.
As preferably, described relaying heating system includes: be located at the through position's constant temperature heating device in through position, the die holder constant temperature heating device in being located at the forging die constant temperature heating device in forging die or being located at the die holder of hydrostatic forging machine. The distribution of relaying heating system can meet the requirement of relaying heating.
As preferably, described precisive shaped mould includes: be provided with the dynamic model of profile, it is provided with the cover half of lower profile, two opposite faces are respectively equipped with semicircle side profile and the side form being respectively slidably connected by least one guide rail and cover half, two side form oil cylinders, the jogger hole that the supporting counterbore that cover half is provided with connects with supporting counterbore with upper end, it is arranged in the push rod of jogger hole, it is arranged in supporting counterbore and the top being connected with push rod upper end, liftout oil cylinder, it is located at the material returned hole in dynamic model, is arranged in the material returned bar in material returned hole, material returned oil cylinder; The piston rod of two side form oil cylinders and two side forms connect one to one; The piston rod of liftout oil cylinder is connected with push rod lower end; The piston rod of material returned oil cylinder is connected with material returned bar upper end; Forging die constant temperature heating device includes: be located at the electric heater in cover half, is provided with the temperature controller of the thermocouple measured in end insertion cover half, is coated on the thermal insulation layer of cover half gusset. Blocker, pre-profiling mould are identical with precisive shaped mould with the structure of finishing pattern; Precisive shaped mould passes through constant temperature heating device heated at constant temperature, makes precisive shaped wheel hub dense structure and the uniform ingredients of the pre-profiling wheel hub reserving rim material reserved rim material after the forging of design temperature scope precisive shaped, precisive shaped forging; Side form moves convenient, flexible under side form oil cylinder drives. Lifting Device and discharging device make precisive shaped forging after the precisive shaped wheel hub of reserved rim material conveniently eject and be beneficial to turn device and grab and take.
As preferably, described through position includes: stage body and leg; Through position's constant temperature heating device includes: be located at the electric heater in stage body, is provided with the temperature controller of the thermocouple measured in end insertion stage body, is coated on stage body and the thermal insulation layer of an outside of foot. Through position is simple and practical.
As preferably, described continuous tunnel furnace includes: opposite end is respectively provided with the body of heater of a material mouth, two are each positioned at a material mouth and the fire door being connected respectively through vertical guide with body of heater, it is located at the transporter in body of heater, move material device, heat wind circulation heating equipment, two fire door lift cylinders, Intelligent PID controller; The piston rod of two fire door lift cylinders and two fire doors connect one to one. Continuous tunnel furnace to heating in body of heater and makes air form circulating air by Cycling hot-blast heating assembly, Intelligent PID controller is to the temperature and pressure in body of heater carries out PID adjustment and control, stove body temperature is made to keep in constant temperature holding furnace body pressure more than body of heater external pressure, the outer cold air of body of heater is avoided to flow in a large number, it is little good with blank degree of being heated evenly that blank temperature becomes scope, it is to avoid cold or blank burning in workpiece exterior-heat.
As preferably, described heat wind circulation heating equipment includes: several blower fans, it is positioned at the upper radiation heating tube group on the upside of transporter, it is positioned at the lower radiation heating tube group on the downside of transporter, the ajutage that identical with blower fan number and with several blower fans the outlet of number connects one to one, the backwind tube that identical with blower fan number and with several blower fans the import of number connects one to one; Ajutage includes: is positioned at the discharge pipe group on the upside of radiation heating tube group, the main discharge pipe that one end is connected with the outlet of blower fan, connects the air-supply cross pipe of main discharge pipe and discharge pipe group; Backwind tube includes: blast pipe group, the main blast pipe that one end is connected with the import of blower fan, connects the air intake connecting leg of main blast pipe and blast pipe group. Heat wind circulation heating equipment is simple and practical; Radiation heating tube thermal-stable is good and the efficiency of heating surface high; Blower fan is as the power source of hot air circulation is effective and cost is low.
As preferably, described transporter includes: two be provided with chain wheel set and respectively with the transfer roller of body of heater pivot joint, it is connected with body of heater and transfer roller drive stepping motor that one end of output shaft and a transfer roller connects, chain group that the chain wheel set being provided with two transfer rollers respectively is in transmission connection and the carrier bar group being connected with chain group. Transporter is simple and practical.
As preferably, described shifting material device includes: charging moves material assembly and discharging moves material assembly; Charging moves material assembly and includes: be provided with the charging support in the charging supporting road expecting that with mouth is relative, it is positioned at the charging ram that the charging locating fork on the upside of charging supporting road, the connecting rod being provided with block and upper end and connecting rod are hinged, the charging positioning cylinder being connected respectively and pusher cylinder with transfer gantry; The lower end of the piston rod of charging positioning cylinder is connected with charging locating fork; The lower end of the piston rod of pusher cylinder is connected with connecting rod; Discharging moves material assembly and includes: be provided with the discharging support in the discharging supporting road relative with another material mouth, it is positioned at the charging ram that the discharging locating fork on the upside of discharging supporting road, the connecting rod being provided with block and upper end and connecting rod are hinged, the discharging positioning cylinder being connected with transfer gantry; The lower end of the piston rod of discharging positioning cylinder is connected with discharging locating fork. Move material apparatus structure simple and practical.
As preferably, described transposition conveyer device includes: two fixed mounts, two are provided with chain wheel set and each and a fixed mount pivot joint rotating shaft, be connected with a fixed mount and output shaft and a rotating shaft one end connect rotating shaft drive stepping motor, the chain group that two chain wheel set being provided with two rotating shafts respectively are in transmission connection, the carrier bar group being connected with chain group, is coated on the heat insulating belt outside carrier bar group. Transposition transport conveyor constructions is simple and practical; Heat insulating belt is beneficial to workpiece heat-insulation and heat-preservation.
As preferably, the pawl foot of described grabbing device is provided with thermal insulation layer or pawl foot constant temperature heating device. It is beneficial to workpiece insulation.
As preferably, described hydrostatic forging machine is provided with mold clean spray equipment. It is beneficial to forging die maintaining.
Compared with prior art, the invention has the beneficial effects as follows: this magnesium alloy auto hub forging automatic assembly line, adopt the hydrostatic forging machine small deformation amount multi-step forging equipped with forging die on multiple die holder, magnesium alloy auto hub shaped device carries out wheel rim and is extruded to shape, and makes the magnesium alloy auto hub dense structure of forging and uniform ingredients, mechanical strength higher; By transposition conveyer device, several turn device transpositions and by relaying heating system relaying heating, production efficiency is higher; Hydrostatic forging machine be provided with deformation velocity and rate of deformation control system can the better deflection in controlled forge process process. Forging die includes: blocker, pre-profiling mould, precisive shaped mould and finishing pattern, takes into account small deformation amount multi-step forging requirement and production efficiency; Turn device is be provided with the industrial robot of grabbing device or be provided with the position rotating mechanical hand of grabbing device, and general part, transposition is convenient and practical. The distribution of relaying heating system can meet the requirement of relaying heating. Precisive shaped mould passes through constant temperature heating device heated at constant temperature, makes precisive shaped wheel hub dense structure and the uniform ingredients of the pre-profiling wheel hub reserving rim material reserved rim material after the forging of design temperature scope precisive shaped, precisive shaped forging; Side form moves convenient, flexible under side form oil cylinder drives. Lifting Device and discharging device make precisive shaped forging after the precisive shaped wheel hub of reserved rim material conveniently eject and be beneficial to turn device and grab and take. Through position is simple and practical. Continuous tunnel furnace to heating in body of heater and makes air form circulating air by Cycling hot-blast heating assembly, Intelligent PID controller is to the temperature and pressure in body of heater carries out PID adjustment and control, stove body temperature is made to keep in constant temperature holding furnace body pressure more than body of heater external pressure, the outer cold air of body of heater is avoided to flow in a large number, it is little good with blank degree of being heated evenly that blank temperature becomes scope, it is to avoid cold or blank burning in workpiece exterior-heat. Heat wind circulation heating equipment is simple and practical; Radiation heating tube thermal-stable is good and the efficiency of heating surface high; Blower fan is as the power source of hot air circulation is effective and cost is low. Transporter, shifting material apparatus structure are simple and practical. Transposition transport conveyor constructions is simple and practical; Heat insulating belt is beneficial to workpiece heat-insulation and heat-preservation. The pawl foot of grabbing device is provided with thermal insulation layer or pawl foot constant temperature heating device, is beneficial to workpiece insulation. Hydrostatic forging machine is provided with mold clean spray equipment. It is beneficial to forging die maintaining.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structural representation of precisive shaped mould;
The structural representation of Tu3Shi through position;
Fig. 4 is the structural representation of continuous tunnel furnace;
Fig. 5 is the structural representation of transposition conveyer device;
Fig. 6 is the substep structural representation of the magnesium alloy auto hub that the plate-like blank of reserved rim material, the pre-profiling wheel hub of reserved rim material, the precisive shaped wheel hub of reserved rim material, the finishing type wheel hub reserving rim material and wheel rim have been extruded to shape;
Fig. 7 is the outline drawing of magnesium alloy auto hub.
In figure: hydrostatic forging machine 1, magnesium alloy auto hub shaped device 2, continuous tunnel furnace 3, material mouth 31, body of heater 32, fire door 33, fire door lift cylinder 34, Intelligent PID controller 35, blower fan 36, upper radiation heating tube group 37, lower radiation heating tube group 38, discharge pipe group 39, main discharge pipe 310, air-supply cross pipe 311, chain wheel set 313, transfer roller 314, transfer roller drive stepping motor 315, chain group 316, carrier bar group 317, charging supporting road 319, charging support 320, charging locating fork 321, block 322, connecting rod 323, charging ram 324, charging positioning cylinder 325, pusher cylinder 326, discharging supporting road 327, discharging support 328, discharging locating fork 329, discharging positioning cylinder 330, transposition conveyer device 4, fixed mount 41, rotating shaft 42, rotating shaft drive stepping motor 43, heat insulating belt 44, through position 5, stage body 51, leg 52, magnesium alloy auto hub 6, wheel hub vertically hung scroll 61, mounting disc 62, wheel rim 63, hole 64, hub centre location, blocker 7, pre-profiling mould 8, precisive shaped mould 9, upper profile 91, dynamic model 92, lower profile 93, cover half 94, semicircle side profile 95, guide rail 96, side form 97, side form oil cylinder 98, push rod 99, liftout oil cylinder 910, material returned bar 911, material returned oil cylinder 912, electric heater 913, thermocouple 914, temperature controller 915, thermal insulation layer 916, finishing pattern 10, grabbing device 11, industrial robot 12, the plate-like blank 13 of reserved rim material, the pre-profiling wheel hub 14 of reserved rim material, the precisive shaped wheel hub 15 of reserved rim material, the finishing type wheel hub 16 of reserved rim material.
Detailed description of the invention
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in accompanying drawing 1 to accompanying drawing 7: a kind of magnesium alloy auto hub forging automatic assembly line, including: continuous tunnel furnace 3, equipped with the hydrostatic forging machine 1 of forging die, magnesium alloy auto hub shaped device 2 at least two die holder; Hydrostatic forging machine 1 is provided with deformation velocity and rate of deformation controls system, transposition conveyer device 4 and through position 5, several turn devices, relays heating system.
Described hydrostatic forging machine 1 has four; Forging die includes: be loaded on the blocker 7 on the die holder of first hydrostatic forging machine 1; It is loaded on the pre-profiling mould 8 on the die holder of second hydrostatic forging machine 1; It is loaded on the precisive shaped mould 9 on the die holder of the 3rd hydrostatic forging machine 1, is loaded on the finishing pattern 10 on the die holder of the 4th hydrostatic forging machine 1; Turn device is the industrial robot 12 being provided with grabbing device 11; Turn device has five; First turn device is continuous tunnel furnace 3, first between hydrostatic forging machine 1 and transposition conveyer device 4, second turn device is between second hydrostatic forging machine 1 and transposition conveyer device 4,3rd turn device is at the 3rd between hydrostatic forging machine 1 and transposition conveyer device 4,4th turn device is at the 4th hydrostatic forging machine 1, between transposition conveyer device 4 and through position 5, and the 5th turn device is between through position 5 and magnesium alloy auto hub shaped device 2.
Described relaying heating system includes: be located at the through position's constant temperature heating device in through position 5, is located at the forging die constant temperature heating device in forging die.
Described precisive shaped mould 9 includes: be provided with the dynamic model 92 of profile 91, it is provided with the cover half 94 of lower profile 93, two opposite faces are respectively equipped with semicircle side profile 95 and the side form 97 being respectively slidably connected by two guide rails 96 and cover half 94, two side form oil cylinders 98, it is located at the push rod 99 in cover half 94, liftout oil cylinder 910, is located at the material returned bar 911 in dynamic model 92, material returned oil cylinder 912; The piston rod of two side form oil cylinders 98 and two side form 97 one_to_one corresponding keys connect; 99 times terminal link of the piston rod of liftout oil cylinder 910 and push rod are connected; The piston rod of material returned oil cylinder 912 is connected with terminal link on material returned bar 911; Forging die constant temperature heating device includes: be located at the electric heater 913 in cover half 94, is provided with the temperature controller 915 of the thermocouple 914 measured in end insertion cover half 94, is coated on the thermal insulation layer 916 of cover half 94 gusset. When precisive shaped forging die uses, dynamic model 92, material returned oil cylinder 912 are loaded on the upper bolster of the 3rd hydrostatic forging machine 1, and cover half 94, liftout oil cylinder 910 and two side form oil cylinders 98 are loaded on the die shoe of the 3rd hydrostatic forging machine 1 respectively; Blocker 7, pre-profiling mould 8 are identical with precisive shaped mould 9 with the structure of finishing pattern 10.
Described through position 5 includes: stage body 51 and leg 52; Through position's constant temperature heating device includes: be located at the electric heater 913 in stage body 51, is provided with the temperature controller 915 of the thermocouple 914 measured in end insertion stage body 51, is coated on the thermal insulation layer 916 outside stage body 51 and leg 52.
Described continuous tunnel furnace 3 includes: opposite end is respectively provided with the body of heater 32 of a material mouth 31, two are each positioned at a material mouth and the fire door 33 being connected respectively through vertical guide (attached not shown in FIG.) with body of heater 32, it is located at the transporter in body of heater, move material device, heat wind circulation heating equipment, two fire door lift cylinders 34, Intelligent PID controller 35; The piston rod of two fire door lift cylinders 34 and two fire doors 33 connect one to one.
Described heat wind circulation heating equipment includes: three blower fans 36, it is positioned at the upper radiation heating tube group 37 on the upside of transporter, it is positioned at the lower radiation heating tube group 38 on the downside of transporter, the ajutage that identical with blower fan 36 number and with three blower fans 36 the outlet of number connects one to one, number is identical with blower fan 36 number and the backwind tube (attached not shown in FIG.) that connects one to one with the import of three blower fans 36; Ajutage includes: is positioned at the discharge pipe group 39 on the upside of radiation heating tube group 37, the main discharge pipe 310 that one end is connected with the outlet of blower fan 36, connects the air-supply cross pipe 311 of main discharge pipe 310 and discharge pipe group 39; Backwind tube includes: blast pipe group (attached not shown in FIG.), the main blast pipe (attached not shown in FIG.) that one end is connected with the import of blower fan 36, connects the air intake connecting leg (attached not shown in FIG.) of main blast pipe and blast pipe group. Blower fan 36 is axial flow blower 36.
Described transporter includes: two are provided with chain wheel set 313 and pass through the transfer roller 314 of bearing hinge joint with body of heater 32 respectively, it is connected with body of heater 32 and transfer roller drive stepping motor 315 that a terminal link of output shaft and a transfer roller 34 connects, chain group 316 that the chain wheel set 313 being provided with two transfer rollers 314 respectively is in transmission connection and the carrier bar group 317 being connected with chain group 316.
Described shifting material device includes: charging moves material assembly and discharging moves material assembly; Charging moves material assembly and includes: be provided with the charging support 320 in the charging supporting road 319 expecting that with mouth 31 is relative, it is positioned at the charging ram 324 that the charging locating fork 321 on the upside of charging supporting road 319, the connecting rod 323 being provided with block 322 and upper end and connecting rod 323 are hinged, the charging positioning cylinder 325 being connected respectively and pusher cylinder 326 with transfer gantry 312; The lower end of the piston rod of charging positioning cylinder 325 is connected with charging locating fork 321; The lower end of the piston rod of pusher cylinder 326 is connected with connecting rod 323; Discharging moves material assembly and includes: is provided with the discharging support 328 in the discharging supporting road 327 relative with separately expecting mouth 31 with, is positioned at the discharging locating fork 329 on the upside of discharging supporting road 327, the discharging positioning cylinder 330 being connected with transfer gantry 312; The lower end of the piston rod of discharging positioning cylinder 330 is connected with discharging locating fork 329.
Described transposition conveyer device 4 includes: two fixed mounts 41, two are provided with chain wheel set 313 and each rotating shaft 42 passing through bearing hinge joint with a fixed mount 41, it is connected with fixed mount 41 screw and rotating shaft drive stepping motor 43 that a terminal link of output shaft and a rotating shaft 42 connects, the chain group 316 that two chain wheel set 313 being provided with two rotating shafts 42 respectively are in transmission connection, the carrier bar group 317 being connected with chain group 316, is coated on the heat insulating belt 44 outside carrier bar group 38.
The pawl foot (attached not shown in FIG.) of described grabbing device 11 is provided with thermal insulation layer 916. Grabbing device 11 is hydraulic gripping device or gas pawl.
The forging method of described magnesium alloy auto hub forging automatic assembly line, step one, magnesium alloy bar is heated in heating furnace, heating and temperature control is at 320 DEG C to 450 DEG C; Step 2, carries out blocking to magnesium alloy bar, is taken out by magnesium alloy bar and insert in blocker 7 by turn device from heating furnace, starts first hydrostatic forging machine 1 and magnesium alloy bar is swaged into the plate-like blank 13 of reserved rim material; Step 3, the plate-like blank 13 of reserved rim material is carried out pre-profiling forging, the plate-like blank 13 of reserved rim material is inserted in pre-profiling mould 8 by turn device and heats, heating and temperature control, at 320 DEG C to 450 DEG C, starts second hydrostatic forging machine 1 and the plate-like blank 13 of reserved rim material is swaged into the pre-profiling wheel hub 14 of reserved rim material; Step 4, the pre-profiling wheel hub 14 of reserved rim material is carried out precisive shaped forging, the pre-profiling wheel hub 14 of reserved rim material is inserted in precisive shaped mould 9 by turn device and heats, heating and temperature control, at 320 DEG C to 450 DEG C, starts the 3rd hydrostatic forging machine 1 and the pre-profiling wheel hub 14 of reserved rim material is swaged into the precisive shaped wheel hub 15 of reserved rim material; Step 5, the precisive shaped wheel hub 15 of reserved rim material is carried out finishing swaged forging, the precisive shaped wheel hub 15 of reserved rim material is inserted in finishing pattern 10 by turn device and heats, heating and temperature control, at 320 DEG C to 450 DEG C, starts the 4th hydrostatic forging machine 1 and the precisive shaped wheel hub 15 of reserved rim material is swaged into the finishing type wheel hub 16 of reserved rim material; Step 6, the finishing type wheel hub 16 of reserved rim material inserts to through position 5 by turn device and heats, and heating and temperature control is at 320 DEG C to 450 DEG C; Step 7, the finishing type wheel hub 16 of reserved rim material is carried out wheel rim be extruded to shape, the finishing type wheel hub 16 of reserved rim material is inserted to the enterprising road wheel rim of magnesium alloy auto hub shaped device 2 by turn device and has been extruded to shape the forging of magnesium alloy auto hub 6; The plate-like blank 13 to reserved rim material described in step 3 carries out pre-profiling forging, including pre-profiling wheel hub vertically hung scroll 61, mounting disc 62, wheel hub upper surface and pre-profiling wheel rim 63; The pre-profiling wheel hub 14 to reserved rim material described in step 4 carries out precisive shaped forging, positions hole 64, precisive shaped wheel rim 63 including finish forge wheel hub vertically hung scroll 61, mounting disc 62 and hub centre; The precisive shaped wheel hub 15 to reserved rim material described in step 5 carries out finishing swaged forging, positions the fine in hole 64, the smart Shape correction of wheel hub profile, the burr waste material that the precisive shaped wheel hub 15 of the reserved rim material of excision is left over including hub centre.
The invention has the beneficial effects as follows: this magnesium alloy auto hub forging automatic assembly line, adopt the hydrostatic forging machine small deformation amount multi-step forging equipped with forging die on multiple die holder, magnesium alloy auto hub shaped device carries out wheel rim and is extruded to shape, and makes the magnesium alloy auto hub dense structure of forging and uniform ingredients, mechanical strength higher; By transposition conveyer device, five turn device transpositions and by relaying heating system relaying heating, production efficiency is higher; Hydrostatic forging machine be provided with deformation velocity and rate of deformation control system can the better deflection in controlled forge process process. Forging die includes: blocker, pre-profiling mould, precisive shaped mould and finishing pattern, takes into account small deformation amount multi-step forging requirement and production efficiency; Turn device is be provided with the industrial robot of grabbing device or be provided with the position rotating mechanical hand of grabbing device, and general part, transposition is convenient and practical. The distribution of relaying heating system can meet the requirement of relaying heating. Precisive shaped mould passes through constant temperature heating device heated at constant temperature, makes precisive shaped wheel hub dense structure and the uniform ingredients of the pre-profiling wheel hub reserving rim material reserved rim material after the forging of design temperature scope precisive shaped, precisive shaped forging; Side form moves convenient, flexible under side form oil cylinder drives. Lifting Device and discharging device make precisive shaped forging after the precisive shaped wheel hub of reserved rim material conveniently eject and be beneficial to turn device and grab and take. Through position is simple and practical. Continuous tunnel furnace to heating in body of heater and makes air form circulating air by Cycling hot-blast heating assembly, Intelligent PID controller is to the temperature and pressure in body of heater carries out PID adjustment and control, stove body temperature is made to keep in constant temperature holding furnace body pressure more than body of heater external pressure, the outer cold air of body of heater is avoided to flow in a large number, it is little good with blank degree of being heated evenly that blank temperature becomes scope, it is to avoid cold or blank burning in workpiece exterior-heat. Heat wind circulation heating equipment is simple and practical; Radiation heating tube thermal-stable is good and the efficiency of heating surface high; Blower fan is as the power source of hot air circulation is effective and cost is low. Transporter, shifting material apparatus structure are simple and practical. Transposition transport conveyor constructions is simple and practical; Heat insulating belt is beneficial to workpiece heat-insulation and heat-preservation. The pawl foot of grabbing device is provided with thermal insulation layer or pawl foot constant temperature heating device, is beneficial to workpiece insulation. Hydrostatic forging machine is provided with mold clean spray equipment. It is beneficial to forging die maintaining.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not regarded as a departure from the scope of the present invention. All such apparent amendments of the technical staff to described field, are included within the scope of present claims.
Claims (10)
1. a magnesium alloy auto hub forging automatic assembly line, including: continuous tunnel furnace, equipped with the hydrostatic forging machine of forging die at least two die holder, magnesium alloy auto hub shaped device; Hydrostatic forging machine is provided with deformation velocity and rate of deformation controls system; It is characterized in that, described magnesium alloy auto hub forging automatic assembly line also includes: transposition conveyer device and through position, several turn devices, relays heating system.
2. magnesium alloy auto hub according to claim 1 forging automatic assembly line, is characterized in that, described hydrostatic forging machine has four; Forging die includes: be loaded on the blocker on the die holder of first hydrostatic forging machine; It is loaded on the pre-profiling mould on the die holder of second hydrostatic forging machine; It is loaded on the precisive shaped mould on the die holder of the 3rd hydrostatic forging machine, is loaded on the finishing pattern on the die holder of the 4th hydrostatic forging machine; Turn device is be provided with the industrial robot of grabbing device or be provided with the position rotating mechanical hand of grabbing device; Turn device has five; First turn device is at continuous tunnel furnace, between first hydrostatic forging machine and transposition conveyer device, second turn device is between second hydrostatic forging machine and transposition conveyer device, 3rd turn device is at the 3rd between hydrostatic forging machine and transposition conveyer device, 4th turn device is at the 4th hydrostatic forging machine, between transposition conveyer device and through position, and the 5th turn device is between through position and magnesium alloy auto hub shaped device.
3. magnesium alloy auto hub according to claim 2 forging automatic assembly line, it is characterized in that, described relaying heating system includes: be located at the through position's constant temperature heating device in through position, the die holder constant temperature heating device in being located at the forging die constant temperature heating device in forging die or being located at the die holder of hydrostatic forging machine.
4. magnesium alloy auto hub according to claim 3 forging automatic assembly line, it is characterized in that, described precisive shaped mould includes: be provided with the dynamic model of profile, it is provided with the cover half of lower profile, two opposite faces are respectively equipped with semicircle side profile and the side form being respectively slidably connected by least one guide rail and cover half, two side form oil cylinders, the jogger hole that the supporting counterbore that cover half is provided with connects with supporting counterbore with upper end, it is arranged in the push rod of jogger hole, it is arranged in supporting counterbore and the top being connected with push rod upper end, liftout oil cylinder, it is located at the material returned hole in dynamic model, it is arranged in the material returned bar in material returned hole, material returned oil cylinder, the piston rod of two side form oil cylinders and two side forms connect one to one, the piston rod of liftout oil cylinder is connected with push rod lower end, the piston rod of material returned oil cylinder is connected with material returned bar upper end, forging die constant temperature heating device includes: be located at the electric heater in cover half, is provided with the temperature controller of the thermocouple measured in end insertion cover half, is coated on the thermal insulation layer of cover half gusset.
5. magnesium alloy auto hub according to claim 3 forging automatic assembly line, is characterized in that, described through position includes: stage body and leg; Through position's constant temperature heating device includes: be located at the electric heater in stage body, is provided with the temperature controller of the thermocouple measured in end insertion stage body, is coated on stage body and the thermal insulation layer of an outside of foot.
6. the magnesium alloy auto hub forging automatic assembly line according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described continuous tunnel furnace includes: opposite end is respectively provided with the body of heater of a material mouth, two are each positioned at a material mouth and the fire door being connected respectively through vertical guide with body of heater, it is located at the transporter in body of heater, moves material device, heat wind circulation heating equipment, two fire door lift cylinders, Intelligent PID controller; The piston rod of two fire door lift cylinders and two fire doors connect one to one.
7. magnesium alloy auto hub according to claim 6 forging automatic assembly line, it is characterized in that, described heat wind circulation heating equipment includes: several blower fans, it is positioned at the upper radiation heating tube group on the upside of transporter, it is positioned at the lower radiation heating tube group on the downside of transporter, the ajutage that identical with blower fan number and with several blower fans the outlet of number connects one to one, the backwind tube that identical with blower fan number and with several blower fans the import of number connects one to one; Ajutage includes: is positioned at the discharge pipe group on the upside of radiation heating tube group, the main discharge pipe that one end is connected with the outlet of blower fan, connects the air-supply cross pipe of main discharge pipe and discharge pipe group; Backwind tube includes: blast pipe group, the main blast pipe that one end is connected with the import of blower fan, connects the air intake connecting leg of main blast pipe and blast pipe group.
8. magnesium alloy auto hub according to claim 6 forging automatic assembly line, it is characterized in that, described transporter includes: two be provided with chain wheel set and respectively with the transfer roller of body of heater pivot joint, it is connected with body of heater and transfer roller drive stepping motor that one end of output shaft and a transfer roller connects, chain group that the chain wheel set being provided with two transfer rollers respectively is in transmission connection and the carrier bar group being connected with chain group.
9. magnesium alloy auto hub according to claim 6 forging automatic assembly line, is characterized in that, described shifting material device includes: charging moves material assembly and discharging moves material assembly; Charging moves material assembly and includes: be provided with the charging support in the charging supporting road expecting that with mouth is relative, it is positioned at the charging ram that the charging locating fork on the upside of charging supporting road, the connecting rod being provided with block and upper end and connecting rod are hinged, the charging positioning cylinder being connected respectively and pusher cylinder with transfer gantry; The lower end of the piston rod of charging positioning cylinder is connected with charging locating fork; The lower end of the piston rod of pusher cylinder is connected with connecting rod; Discharging moves material assembly and includes: be provided with the discharging support in the discharging supporting road relative with another material mouth, it is positioned at the charging ram that the discharging locating fork on the upside of discharging supporting road, the connecting rod being provided with block and upper end and connecting rod are hinged, the discharging positioning cylinder being connected with transfer gantry; The lower end of the piston rod of discharging positioning cylinder is connected with discharging locating fork.
10. the magnesium alloy auto hub forging automatic assembly line according to Claims 2 or 3 or 4 or 5, described transposition conveyer device includes: two fixed mounts, two are provided with chain wheel set and each and a fixed mount pivot joint rotating shaft, be connected with a fixed mount and output shaft and a rotating shaft one end connect rotating shaft drive stepping motor, the chain group that two chain wheel set being provided with two rotating shafts respectively are in transmission connection, the carrier bar group being connected with chain group, is coated on the heat insulating belt outside carrier bar group.
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| CN201610085923.0A CN105618664A (en) | 2016-02-15 | 2016-02-15 | Automatic production line for forging of magnesium alloy automobile hubs |
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| CN201610085923.0A CN105618664A (en) | 2016-02-15 | 2016-02-15 | Automatic production line for forging of magnesium alloy automobile hubs |
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| CN106862470A (en) * | 2017-04-21 | 2017-06-20 | 陈华 | A kind of aluminium alloy wheel hub of vehicle Forge Heating device |
| CN107363474A (en) * | 2017-07-12 | 2017-11-21 | 深圳市中创镁工程技术有限公司 | A kind of magnesium alloy hub production technology and system |
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| CN114160741A (en) * | 2021-11-22 | 2022-03-11 | 哈尔滨工业大学 | Be applied to automatic precision forging automobile wheel hub bearing and produce demoulding structure of line |
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Application publication date: 20160601 |