CN115261566A - Push rod type automobile half shaft continuous hardening and tempering production system and method - Google Patents
Push rod type automobile half shaft continuous hardening and tempering production system and method Download PDFInfo
- Publication number
- CN115261566A CN115261566A CN202210915103.5A CN202210915103A CN115261566A CN 115261566 A CN115261566 A CN 115261566A CN 202210915103 A CN202210915103 A CN 202210915103A CN 115261566 A CN115261566 A CN 115261566A
- Authority
- CN
- China
- Prior art keywords
- plate
- furnace
- half shaft
- automobile half
- production system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005496 tempering Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 170
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000010791 quenching Methods 0.000 claims abstract description 36
- 230000000171 quenching effect Effects 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
Images
Classifications
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
-
- 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
- C21D11/00—Process control or regulation for heat treatments
-
- 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
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Landscapes
- Chemical & Material Sciences (AREA)
- 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 provides a push rod type automobile half shaft continuous hardening and tempering production system which comprises a feeding device, a material pushing device, a quenching furnace and a PLC (programmable logic controller), wherein the feeding device is used for feeding an automobile half shaft to the feeding end of the quenching furnace, the material pushing device is used for pushing the automobile half shaft on a material tray of the feeding device into the quenching furnace, the quenching furnace is used for quenching the automobile half shaft, and the PLC is used for controlling the feeding device, the material pushing device and the quenching furnace. The invention also provides a continuous hardening and tempering production method of the push rod type automobile half shaft. According to the automatic continuous quenching and tempering heat treatment production equipment, the automatic continuous quenching and tempering heat treatment production can be realized on the automobile half shaft through the arranged feeding device, the material pushing device, the quenching furnace and the PLC, so that the stability of the product quality is ensured, the labor intensity of workers is reduced, and the production efficiency is improved; meanwhile, the method can be used for heating quenching and tempering heat treatment of the automobile half shaft, and can also be used for heat treatment of other types of workpieces.
Description
Technical Field
The invention relates to the technical field of machining and manufacturing, in particular to a push rod type automobile half shaft continuous hardening and tempering production system and method.
Background
The automobile half shaft generally refers to a drive axle, the drive axle generally comprises a main speed reducer, a differential mechanism, a wheel transmission device, a drive axle housing and the like, and the steering drive axle also comprises a constant-speed universal joint. The drive axle is at the end of the drive train and its basic functions are: (1) the engine torque transmitted by the universal transmission device is transmitted to a driving wheel through a main speed reducer, a differential mechanism, a half shaft and the like, so that the speed reduction and the torque increase are realized; (2) the transmission direction of the torque is changed through a bevel gear pair of the main speed reducer; (3) the differential action of the wheels at two sides is realized through a differential mechanism, and the inner wheel and the outer wheel are ensured to turn at different rotating speeds; (4) the bearing and moment transferring functions are realized through the axle shell and the wheels.
At present, in the production process of automobile parts, workpieces such as automobile half shafts and the like need quenching and tempering heat treatment. The inventor of the application discovers that the traditional trolley furnace is adopted for tempering, the product quality is not stable due to more human factors, the labor intensity of workers is high, and the efficiency is low.
Disclosure of Invention
The invention provides a push rod type automobile half shaft continuous hardening and tempering production system, which aims at solving the technical problems that the conventional car furnace hardening and tempering is adopted in the conventional automobile half shaft and other workpieces for hardening and tempering heat treatment, the product quality is unstable, the labor intensity of workers is high, and the efficiency is low due to more human factors.
In order to solve the technical problems, the invention adopts the following technical scheme:
a push rod type automobile half shaft continuous hardening and tempering production system comprises a feeding device, a pushing device, a quenching furnace and a PLC (programmable logic controller), wherein the feeding device comprises a material table, a material tray, a carrying tray mechanism and a transmission mechanism, side baffles are fixedly connected to the front side surface, the rear side surface and the left side surface of the material table, a travel switch is fixedly arranged on the left side baffle of the material table, the material tray comprises a material plate which is slidably arranged on a step surface formed by the front side surface and the rear side surface of the material table and the side baffles, a material rack convenient for the automobile half shaft to be continuously placed is arranged on the material plate along the left and right direction, a sliding chute is arranged on the bottom surface of the material plate, the carrying tray mechanism comprises a base, a lifting cylinder and a support plate, the lifting cylinder is fixedly arranged on the surface of the base, a piston rod of the lifting cylinder is vertically upward and fixedly connected with the bottom of the support plate, the support plate can be lifted to be in abutting contact with the bottom surface of the material plate under the driving of the lifting cylinder, the transmission mechanism comprises a double-shaft motor, two ends of the double-shaft motor are fixedly connected with a driving shaft, a driving gear is fixedly connected to the left lower part of the material table, two ends of the driving gear is fixedly connected with a driven shaft, and two ends of a driving gear, two ends of the driving gear and two ends of a driven chain are respectively connected with the driving gear, and two ends of the driving gear, and a driven chain, the driving gear is connected with the driving gear; the material pushing device comprises a supporting table and a material pushing oil cylinder, the material pushing oil cylinder is fixedly arranged on the surface of the supporting table, the top end of a piston rod of the material pushing oil cylinder is fixedly connected with a material pushing head, and notches convenient for the material pushing head to pass through are arranged on the side barriers on the front side surface and the rear side surface of the material table; the quenching furnace comprises a furnace body, a furnace cover, a furnace bottom guide rail, a heating element, a feeding door and a discharging door, wherein the furnace cover is detachably connected to the furnace body, the furnace bottom guide rail is fixedly arranged in a hearth of the furnace body, the heating element is arranged at the bottom of the hearth, the feeding door is arranged at the feeding end of the furnace body, the discharging door is arranged at the discharging end of the furnace body, lifting oil cylinders are respectively and fixedly arranged on the furnace body beside the feeding door and the discharging door, piston rods of the lifting oil cylinders are vertically upward, and the top ends of the piston rods of the lifting oil cylinders are correspondingly connected with the tops of the feeding door and the discharging door through inhaul cables; travel switch, lifting cylinder, biax motor, material pushing cylinder and lift cylinder all are connected with the PLC controller electricity.
Furthermore, the support plate surface is equipped with the fixture block respectively near four corners departments, the flitch bottom surface is equipped with and corresponds complex draw-in groove with the fixture block.
Further, carry a set mechanism and still include the steadying plate, but the steadying plate is connected with the spout sliding fit that the both sides inner wall was predetermine around the material platform, be equipped with the cavity that the support plate of being convenient for passed on the steadying plate, four corners of steadying plate bottom surface pass through pillar and base fixed connection.
Furthermore, a protective net for covering the driven rotating shaft and the driven gear is arranged at the lower part of the left side of the material platform.
Further, the left side fixedly connected with of pushing head can be at the arc branch that the material platform left side surface and the side kept off the step face that forms and go up the removal, the right side fixedly connected with guide strut of pushing head, guide strut keeps away from the one end of pushing head and closely stretches into in the guide cylinder of fixing on a supporting bench surface.
Furthermore, the heating element at the bottom of the hearth is a radiant heating pipe.
Further, still be provided with the thermal cycle device on the furnace body, the thermal cycle device includes the thermal cycle fan that takes out the high temperature district heat that will cool down to and will take out the heat and send into the thermal cycle pipeline of the low temperature district that needs the intensification.
Further, the top of furnace body is provided with a supporting beam, a via hole has been seted up on the supporting beam vertically, the inside fixedly connected with fixed pulley in via hole of a supporting beam, the one end of cable is walked around behind the fixed pulley plumbous straight line end and is connected with feeding door and discharge door top correspondence.
Furthermore, the furnace cover is formed by welding section steel and a steel plate.
The invention also provides a push rod type automobile half shaft continuous hardening and tempering production method, wherein the push rod type automobile half shaft continuous hardening and tempering production system is adopted in the method, and the method comprises the following steps:
s1, placing an automobile half shaft to be processed on the material rack;
s2, the PLC controls a piston rod of the lifting cylinder to move upwards to drive the carrier plate to ascend to be in abutting contact with the bottom surface of the material plate;
s3, the PLC controller controls the double-shaft motor to rotate in the forward direction, the double-shaft motor drives the driving gear on the driving rotating shaft to rotate, so that the driving chain meshed on the driving gear drives the driven gear to rotate, the base fixedly connected with the driving chain is driven to move to the left side of the material platform, and the base moves to drive the material plate to move to the left side of the material platform; when part of the material plates move to the notches formed in the side baffles on the front side and the rear side of the material platform, the PLC controls the double-shaft motor to pause rotating; then the PLC controller controls a piston rod of the lifting cylinder to move downwards to drive the carrier plate to descend to be separated from the bottom surface of the material plate; the PLC controls the double-shaft motor to rotate reversely, the base moves to drive the carrier plate to move back to the right side of the material platform, and when the carrier plate moves back to the left side and is spaced from the material plate, the PLC controls the piston rod of the lifting cylinder to move upwards again to drive the carrier plate to ascend to be opposite to the right side of the material plate; the PLC controller controls the double-shaft motor to rotate forwards again, the base moves to drive the support plate to move to the left side of the material platform again, the support plate is in close contact with the right side of the material plate, the left side of the material plate is pushed to a position of a travel switch at the left side of the material platform, the PLC controller is triggered to control the double-shaft motor to pause, and then the PLC controller controls the lifting cylinder and the double-shaft motor to drive the base to reset;
s4, the PLC controls a piston rod of the lifting oil cylinder to move downwards, and a feed door and a discharge door on the quenching furnace are driven to be opened through a pull rope;
and S5, the PLC controls a piston rod of the material pushing oil cylinder to move towards the side blocking notch to drive the material pushing head to abut against and contact with the side surface of the material tray, the material tray is pushed to a furnace bottom guide rail in the hearth, the material tray filled on the furnace bottom guide rail is pushed out through the transmission of the pushed material tray to the existing material tray on the side of the material discharging door, then the PLC controls the piston rod of the lifting oil cylinder to move upwards, the material charging door and the material discharging door on the quenching furnace are driven to close through the inhaul cable, and quenching is started.
Compared with the prior art, the push rod type automobile half shaft continuous hardening and tempering production system and method provided by the invention have the advantages that automatic continuous hardening and tempering heat treatment production can be realized on the automobile half shaft through the arranged feeding device, the material pushing device, the quenching furnace and the PLC, so that the stability of the product quality is ensured, the labor intensity of workers is reduced, and the production efficiency is improved; the invention can be mainly used for the heat treatment of heating quenching and tempering of the automobile half shaft, and can also be used for the heat treatment of other types of workpieces.
Drawings
FIG. 1 is a schematic structural view of a push rod type automobile half shaft continuous hardening and tempering production system provided by the invention.
Fig. 2 is a schematic structural diagram of the production system in fig. 1 with a tray omitted.
Fig. 3 is a schematic structural view of the arrangement of the radiant-heating pipe provided by the present invention at the bottom of the quenching furnace hearth.
Fig. 4 is a schematic structural view of the heat cycle apparatus provided by the present invention, which is disposed on a quenching furnace.
In the figure, 1, a feeding device; 11. a material platform; 111. side blocking; 112. a travel switch; 113. a notch; 114. a chute; 115. a protective net; 12. a material tray; 121. a material plate; 122. a material rack; 13. a tray carrying mechanism; 131. a base; 132. a lifting cylinder; 133. a carrier plate; 134. a clamping block; 135. a stabilizing plate; 136. a pillar; 14. a transmission mechanism; 141. a double-shaft motor; 142. a driving rotating shaft; 143. a driving gear; 144. a driven rotating shaft; 145. a driven gear; 146. a drive chain; 2. a material pushing device; 21. a support table; 22. a material pushing oil cylinder; 23. a material pushing head; 24. an arc-shaped support rod; 25. a guide strut; 26. a guide cylinder; 3. a quenching furnace; 31. a furnace body; 311. a support beam; 312. a via hole; 313. a fixed pulley; 32. a furnace cover; 33. a furnace bottom guide rail; 34. a heating element; 35. a feed gate; 36. a lift cylinder; 37. a cable; 38. a thermal cycling device; 381. a thermal circulation fan; 382. a thermal cycle conduit.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings.
In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the present invention provides a push rod type automobile half-shaft continuous hardening and tempering production system, which includes a feeding device 1, a pushing device 2, a quenching furnace 3 and a PLC controller, wherein the feeding device 1 includes a material table 11, a material tray 12, a material tray mechanism 13 and a transmission mechanism 14, side baffles 111 are fixedly connected to front and rear side surfaces and a left side surface of the material table 11, a travel switch 112 is fixedly disposed on the left side baffle 111 of the material table 11, the material tray 12 includes a material plate 121 slidably disposed on a stepped surface formed by the front and rear side surfaces and the side baffles 111 of the material table 11, a material plate 122 for facilitating continuous placement of an automobile half-shaft is disposed on the material plate 121 along the left and right direction, a sliding slot is disposed on the bottom surface of the material plate 121, the material tray mechanism 13 includes a base 131, a lifting cylinder 132 and a carrier plate 133, the lifting cylinder 132 is fixedly mounted on the surface of the base 131, a piston rod of the lifting cylinder 132 is vertically upward and fixedly connected to the bottom of the material plate 133, the carrier plate 133 is driven by the lifting cylinder 132 can be lifted to contact with the bottom surface of the material plate 121 to the top, thereby realizing a lifting mechanism, two ends of the material rack, two driving gear 145 are fixedly connected to a driving gear 143 of a driving gear 145, two driving gear 145 of a driving gear 145 and a driven motor 145 corresponding to two ends of a driven shaft of a driven motor 145, the driven shaft 143 corresponding to two driving gear 143 of a driven motor 145, the driven shaft 143 of the driven motor 145, the driven motor 145 are connected to two ends of the driven shaft of the driven motor 145, the driven shaft 143 of the driven gear 143 of the driven motor 145, therefore, the base 131 can move back and forth under the driving of the forward and reverse rotation of the double-shaft motor 141 through the transmission chain 146; the material pushing device 2 comprises a supporting table 21 and a material pushing oil cylinder 22, the material pushing oil cylinder 22 is fixedly installed on the surface of the supporting table 21, the top end of a piston rod of the material pushing oil cylinder 22 is fixedly connected with a material pushing head 23, and notches 113 convenient for the material pushing head 23 to pass through are formed in side baffles 111 on the front side surface and the rear side surface of the material table 11; the quenching furnace 3 comprises a furnace body 31, a furnace cover 32, a furnace bottom guide rail 33, a heating element 34, a feeding door 35 and a discharging door (not shown in the figure), wherein the furnace cover 32 is detachably connected to the furnace body 31 through a bolt, namely the furnace cover 32 and the furnace body 31 are arranged in a split mode, so that the furnace cover 32 can be lifted by a crane after the bolt is loosened to facilitate later-stage maintenance, the furnace bottom guide rail 33 is fixedly arranged in a hearth of the furnace body 31, the furnace bottom guide rail 33 can be correspondingly matched with a sliding chute on the bottom surface of a material plate 121, the heating element 34 is arranged at the bottom of the hearth, the feeding door 35 is arranged at the feeding end of the furnace body 31, the discharging door is arranged at the discharging end of the furnace body 31, lifting cylinders 36 are respectively and fixedly arranged on the furnace body 31 beside the feeding door 35 and the discharging door, piston rods of the lifting cylinders 36 are vertically upward, the top ends of the lifting cylinders 37 are correspondingly connected with the feeding door 35 and the top of the discharging door, therefore, the feeding door 35 and the discharging door can be lifted up and down under the driving of the lifting cylinder 36 through the pulling cables 37, and other parts of the quenching furnace 3 can be realized by the prior art; the travel switch 112, the lifting cylinder 132, the double-shaft motor 141, the pushing cylinder 22 and the lifting cylinder 36 are all electrically connected with a PLC controller (not shown), the PLC controller may be disposed in the support table 21 or elsewhere on the system, and the PLC controller is mainly used for outputting a pulse signal and a reversing signal to complete control, and specifically may be implemented by using the prior art, that is, the specific structure and control mode of the PLC controller are known to those skilled in the art.
As a specific embodiment, referring to fig. 2, the surface of the carrier plate 133 is provided with clamping blocks 134 at positions close to four corners, respectively, and the bottom surface of the flitch 121 is provided with clamping grooves correspondingly matched with the clamping blocks 134, so that stable lifting of the carrier plate 133 on the flitch 121 can be realized through clamping and matching of the clamping blocks 134 and the clamping grooves, and further, stability of the flitch 12 in the moving process is enhanced.
As a specific embodiment, please refer to fig. 2, wherein the tray loading mechanism 13 further includes a stabilizing plate 135, the stabilizing plate 135 is slidably connected to the sliding slots 114 preset on the inner walls of the front and rear sides of the material platform 11, a cavity is formed in the stabilizing plate 135 for the carrier plate 133 to pass through, four corners of the bottom surface of the stabilizing plate 135 are fixedly connected to the base 131 through the pillars 136, that is, the stabilizing plate 135 is connected to the base 131 through the pillars 136, and the stabilizing plate 135 is slidably connected to the sliding slots 114 preset on the inner walls of the front and rear sides of the material platform 11, so as to improve the stability of the base 131 in the moving process, and further improve the stability of the material plate 12 in the moving process by using the technical solution of the embodiment on the basis of enhancing the stability of the material plate 12 in the moving process of the foregoing embodiment.
As a specific embodiment, referring to fig. 1 and 2, a protective net 115 for covering the driven rotating shaft 144 and the driven gear 145 is further disposed at a lower portion of the left side of the material table 11, so that the driven rotating shaft 144 and the driven gear 145 are protected, and injury caused by accidental touch of people can be prevented.
As a specific embodiment, please refer to fig. 1 and 2, an arc-shaped supporting rod 24 capable of moving on a step surface formed by the left side surface of the material platform 11 and the side block 111 is fixedly connected to the left side of the material pushing head 23, a guiding supporting rod 25 is fixedly connected to the right side of the material pushing head 23, and one end of the guiding supporting rod 25 far away from the material pushing head 23 tightly extends into a guiding cylinder 26 fixed on the surface of the supporting table 21, so that the arc-shaped supporting rod 24 and the guiding supporting rod 25 are respectively arranged on the left side and the right side of the material pushing head 23, and the material pushing head 23 can be better ensured to realize horizontal and stable pushing in the material pushing process.
As a specific embodiment, please refer to fig. 3, the heating element 34 at the bottom of the furnace chamber is implemented by using an existing radiant heating pipe, and the radiant heating pipe is used for heating, so as to prevent the heating element from being scratched by the entering and exiting of workpieces such as automobile half shafts, and the like, thereby prolonging the service life of the heating element.
As a specific embodiment, please refer to fig. 4, because the switching of the products and the heating process parameters are different, and cooling may be required, in this embodiment, a heat cycle device 38 is further disposed on the furnace body 31, and the heat cycle device 38 includes a heat cycle fan 381 for extracting heat from a high temperature region to be cooled, and a heat cycle pipeline 382 for sending the extracted heat to a low temperature region to be heated, so as to save not only energy consumption but also time.
As a specific embodiment, please refer to fig. 1 and 2, a supporting beam 311 is disposed at the top of the furnace body 31, a through hole 312 is vertically disposed on the supporting beam 311, a fixed pulley 313 is fixedly connected inside the through hole 312 of the supporting beam 311, and one end of the cable 37 is connected to the top of the feed door 35 and the discharge door correspondingly after passing around the fixed pulley 313, so that the feed door 35 and the discharge door can be easily lifted up and down under the driving of the lifting cylinder 36.
As a specific example, the furnace cover 32 is formed by welding existing steel sections and steel plates, thereby providing a good appearance and surface quality.
The invention also provides a push rod type automobile half shaft continuous hardening and tempering production method, wherein the push rod type automobile half shaft continuous hardening and tempering production system is adopted in the method, and the method comprises the following steps:
s1, placing an automobile half shaft to be processed on the material frame 122;
s2, the PLC controls a piston rod of the lifting cylinder 132 to move upwards to drive the support plate 133 to ascend to be in abutting contact with the bottom surface of the material plate 121;
s3, the PLC controller controls the double-shaft motor 141 to rotate in the positive direction, the double-shaft motor 141 drives the driving gear 143 on the driving rotating shaft 142 to rotate, so that the driving chain 146 meshed on the driving gear 143 drives the driven gear 145 to rotate, meanwhile, the base 131 fixedly connected with the transmission chain 146 is driven to move towards the left side of the material platform 11, and the material plate 121 is driven to move towards the left side of the material platform 11 through the movement of the base 131; when part of the material plates 121 move to the notches 113 formed in the side baffles on the front and rear side surfaces of the material table 11, the PLC controller controls the double-shaft motor 141 to pause rotation; then the PLC controls the piston rod of the lifting cylinder 132 to move downwards to drive the carrier plate 133 to descend to be separated from the bottom surface of the material plate 121; the PLC controller controls the double-shaft motor 141 to rotate reversely, the base 131 moves to drive the support plate 133 to move back to the right side of the material platform 11, and when the support plate 133 moves back to the left side and is spaced apart from the material plate 11, the PLC controller controls the piston rod of the lifting cylinder 132 to move upwards again to drive the support plate 133 to ascend to be opposite to the right side of the material plate 121; the PLC controls the double-shaft motor 141 to rotate forwards again, the base 131 moves to drive the carrier plate 133 to move towards the left side of the material table 11 again, the carrier plate 133 is in close contact with the right side of the material plate 121, the left side of the material plate 121 is pushed to the position of the travel switch 112 at the left side of the material table 11, the PLC triggers the PLC to control the double-shaft motor 141 to pause, and then the PLC controls the lifting cylinder 132 and the double-shaft motor 141 to drive the base 131 to reset;
s4, the PLC controls a piston rod of the lifting oil cylinder 36 to move downwards, and a feed door 35 and a discharge door on the quenching furnace 3 are driven to be opened through a stay cable 37;
s5, the PLC controls a piston rod of the pushing oil cylinder 22 to move towards the side blocking notch 113 to drive the pushing head 23 to abut against and contact with the side face of the material tray 12, the material tray 12 is pushed to the furnace bottom guide rail 33 in the hearth, the material tray positioned at the side of the discharging door is pushed out through the transmission of the pushed material tray 12 on the existing material tray filled on the furnace bottom guide rail 33, namely, the material tray positioned at the side of the discharging door is pushed out through the mutual force transmission of the existing material trays on the furnace bottom guide rail, so that one material tray is fed into the furnace every feeding period, and meanwhile, one material tray is correspondingly discharged from the discharging end, then the PLC controls the piston rod of the lifting oil cylinder 36 to move upwards, the feeding door 35 and the discharging door on the quenching furnace 3 are driven to be closed through the inhaul cable 37, and quenching is started. Other heat treatment steps after quenching are well known to those skilled in the art, and specifically, the quenched automobile half shaft is taken out and placed in a quenching bath for cooling, the feeding and pushing actions are repeated after cooling is completed, and the automobile half shaft is sent into a tempering furnace for tempering, so that the heat treatment is completed.
Compared with the prior art, the push rod type automobile half shaft continuous hardening and tempering production system and method provided by the invention have the advantages that automatic continuous hardening and tempering heat treatment production can be realized on the automobile half shaft through the arranged feeding device, the material pushing device, the quenching furnace and the PLC, so that the stability of the product quality is ensured, the labor intensity of workers is reduced, and the production efficiency is improved; the invention can be mainly used for the heat treatment of heating quenching and tempering of the automobile half shaft, and can also be used for the heat treatment of other types of workpieces.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The push rod type automobile half shaft continuous hardening and tempering production system is characterized by comprising a feeding device, a pushing device, a quenching furnace and a PLC (programmable logic controller), wherein the feeding device comprises a material table, a material tray, a material carrying tray mechanism and a transmission mechanism, side baffles are fixedly connected to the front side surface, the rear side surface and the left side surface of the material table, a travel switch is fixedly arranged on the left side baffle of the material table, the material tray comprises a material plate which is slidably arranged on a step surface formed by the front side surface, the rear side surface and the side baffles of the material table, a material frame which is convenient for the automobile half shaft to be continuously placed is arranged on the material plate along the left-right direction, a sliding groove is arranged on the bottom surface of the material plate, the material carrying tray mechanism comprises a base, a lifting cylinder and a support plate, the lifting cylinder is fixedly arranged on the surface of the base, a piston rod of the lifting cylinder is vertically upwards and fixedly connected with the bottom of the support plate, the support plate can be lifted to be in abutting contact with the bottom surface under the driving of the lifting cylinder, the support plate, the driving mechanism comprises a double-shaft motor, two ends of which are fixedly connected with driving rotating shafts, a driving gear is fixedly connected to the left lower part of the driving shaft of the driven platform, two ends of the driven gear are respectively engaged with a driving gear, and two ends of the driving gear are respectively connected with a driving gear chain, and two ends of the driving gear; the material pushing device comprises a supporting table and a material pushing oil cylinder, the material pushing oil cylinder is fixedly arranged on the surface of the supporting table, the top end of a piston rod of the material pushing oil cylinder is fixedly connected with a material pushing head, and notches convenient for the material pushing head to pass through are arranged on the side barriers on the front side surface and the rear side surface of the material table; the quenching furnace comprises a furnace body, a furnace cover, a furnace bottom guide rail, a heating element, a feeding door and a discharging door, wherein the furnace cover is detachably connected to the furnace body, the furnace bottom guide rail is fixedly arranged in a hearth of the furnace body, the heating element is arranged at the bottom of the hearth, the feeding door is arranged at the feeding end of the furnace body, the discharging door is arranged at the discharging end of the furnace body, lifting oil cylinders are respectively and fixedly arranged on the furnace body beside the feeding door and the discharging door, piston rods of the lifting oil cylinders are vertically upward, and the top ends of the piston rods of the lifting oil cylinders are correspondingly connected with the tops of the feeding door and the discharging door through inhaul cables; travel switch, lifting cylinder, biax motor, material pushing cylinder and lift cylinder all are connected with the PLC controller electricity.
2. The continuous hardening and tempering production system of claim 1, wherein said carrier plate surface is provided with clamping blocks near four corners, respectively, and said material plate bottom surface is provided with clamping slots corresponding to said clamping blocks.
3. The push-rod type automobile half shaft continuous hardening and tempering production system according to claim 1 or 2, wherein the tray loading mechanism further comprises a stabilizing plate, the stabilizing plate is connected with sliding grooves which are preset on the inner walls of the front side and the rear side of the material platform in a sliding fit manner, a cavity which is convenient for the carrier plate to pass through is arranged on the stabilizing plate, and four corners of the bottom surface of the stabilizing plate are fixedly connected with the base through supporting columns.
4. The continuous hardening and tempering production system of the push-rod type automobile half shaft according to claim 1, wherein a protective net for covering the driven rotating shaft and the driven gear is further arranged at the lower part of the left side of the material platform.
5. The continuous hardening and tempering production system of the push-down automobile semi-axis according to claim 1, characterized in that the left side of said pusher head is fixedly connected with an arc-shaped support rod capable of moving on the step surface formed by the left side surface of the material table and the side block, the right side of said pusher head is fixedly connected with a guide support rod, and one end of said guide support rod far away from the pusher head tightly extends into a guide cylinder fixed on the surface of the support table.
6. The pusher-type automobile half-shaft continuous hardening and tempering production system according to claim 1, wherein a heating element at the bottom of the furnace chamber is a radiant heating pipe.
7. The push rod type automobile half shaft continuous hardening and tempering production system according to claim 1, wherein a thermal circulation device is further arranged on the furnace body, and the thermal circulation device comprises a thermal circulation fan for extracting heat of a high-temperature area to be cooled and a thermal circulation pipeline for sending the extracted heat into a low-temperature area to be heated.
8. The push-rod type automobile half shaft continuous hardening and tempering production system according to claim 1, characterized in that a supporting beam is arranged at the top of the furnace body, a through hole is vertically formed in the supporting beam, a fixed pulley is fixedly connected inside the through hole of the supporting beam, and one end of an inhaul cable is correspondingly connected with the tops of the feeding door and the discharging door after passing around the fixed pulley.
9. The push rod type automobile half shaft continuous hardening and tempering production system according to claim 1, wherein said furnace cover is formed by welding section steel and steel plates.
10. A push rod type automobile half shaft continuous hardening and tempering production method, which is characterized in that a push rod type automobile half shaft continuous hardening and tempering production system according to any one of claims 1-9 is adopted in the method, and the method comprises the following steps:
s1, placing an automobile half shaft to be processed on the material rack;
s2, the PLC controls a piston rod of the lifting cylinder to move upwards to drive the carrier plate to ascend to abut against and contact with the bottom surface of the material plate;
s3, the PLC controller controls the double-shaft motor to rotate in the forward direction, the double-shaft motor drives the driving gear on the driving rotating shaft to rotate, so that the driving chain meshed on the driving gear drives the driven gear to rotate, the base fixedly connected with the driving chain is driven to move to the left side of the material platform, and the base moves to drive the material plate to move to the left side of the material platform; when part of the material plates move to the notches formed in the side baffles on the front side and the rear side of the material platform, the PLC controls the double-shaft motor to pause rotating; then the PLC controller controls a piston rod of the lifting cylinder to move downwards to drive the carrier plate to descend and separate from the bottom surface of the material plate; the PLC controls the double-shaft motor to rotate reversely, the base moves to drive the carrier plate to move back to the right side of the material platform, and when the carrier plate moves back to the left side and is spaced from the material plate, the PLC controls the piston rod of the lifting cylinder to move upwards again to drive the carrier plate to ascend to be opposite to the right side of the material plate; the PLC controller controls the double-shaft motor to rotate forwards again, the base moves to drive the support plate to move to the left side of the material platform again, the support plate is in close contact with the right side of the material plate, the left side of the material plate is pushed to a position of a travel switch at the left side of the material platform, the PLC controller is triggered to control the double-shaft motor to pause, and then the PLC controller controls the lifting cylinder and the double-shaft motor to drive the base to reset;
s4, the PLC controls a piston rod of the lifting oil cylinder to move downwards, and a feed door and a discharge door on the quenching furnace are driven to be opened through a pull rope;
and S5, the PLC controls a piston rod of the material pushing oil cylinder to move towards the side blocking notch to drive the material pushing head to abut against and contact with the side surface of the material tray, the material tray is pushed to a furnace bottom guide rail in the hearth, the material tray filled on the furnace bottom guide rail is pushed out through the transmission of the pushed material tray to the existing material tray on the side of the material discharging door, then the PLC controls the piston rod of the lifting oil cylinder to move upwards, the material charging door and the material discharging door on the quenching furnace are driven to close through the inhaul cable, and quenching is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915103.5A CN115261566B (en) | 2022-08-01 | 2022-08-01 | Push rod type automobile half shaft continuous tempering production system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210915103.5A CN115261566B (en) | 2022-08-01 | 2022-08-01 | Push rod type automobile half shaft continuous tempering production system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115261566A true CN115261566A (en) | 2022-11-01 |
| CN115261566B CN115261566B (en) | 2024-03-29 |
Family
ID=83747693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210915103.5A Active CN115261566B (en) | 2022-08-01 | 2022-08-01 | Push rod type automobile half shaft continuous tempering production system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115261566B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634735U (en) * | 2010-02-11 | 2010-11-17 | 浠水县中鑫窑炉机械设备有限责任公司 | Wheel hub aging furnace and quenching furnace drive equipment |
| CN102925634A (en) * | 2012-09-29 | 2013-02-13 | 南京欧亚炉业有限责任公司 | Step furnace production line for quenching and tempering front axle of automobile |
| CN206672711U (en) * | 2017-04-17 | 2017-11-24 | 广东胜宇电缆实业有限公司 | A kind of full-automatic fireproof cable annealing device |
| CN208583910U (en) * | 2018-07-02 | 2019-03-08 | 重庆德为钣金制造有限公司 | Go up and down pusher type shear feeding device |
| CN210435287U (en) * | 2019-07-08 | 2020-05-01 | 荆江半轴（湖北）有限公司 | Automobile semi-axis forging unloading mechanism |
| CN113293264A (en) * | 2020-02-24 | 2021-08-24 | 重庆欣天利智能重工有限公司 | Automatic control equipment and method for continuous cycle quenching and tempering |
| CN114085958A (en) * | 2021-11-12 | 2022-02-25 | 重庆荆江汽车半轴股份有限公司 | Automatic feeding device for thermal refining of automobile half shaft |
-
2022
- 2022-08-01 CN CN202210915103.5A patent/CN115261566B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201634735U (en) * | 2010-02-11 | 2010-11-17 | 浠水县中鑫窑炉机械设备有限责任公司 | Wheel hub aging furnace and quenching furnace drive equipment |
| CN102925634A (en) * | 2012-09-29 | 2013-02-13 | 南京欧亚炉业有限责任公司 | Step furnace production line for quenching and tempering front axle of automobile |
| CN206672711U (en) * | 2017-04-17 | 2017-11-24 | 广东胜宇电缆实业有限公司 | A kind of full-automatic fireproof cable annealing device |
| CN208583910U (en) * | 2018-07-02 | 2019-03-08 | 重庆德为钣金制造有限公司 | Go up and down pusher type shear feeding device |
| CN210435287U (en) * | 2019-07-08 | 2020-05-01 | 荆江半轴（湖北）有限公司 | Automobile semi-axis forging unloading mechanism |
| CN113293264A (en) * | 2020-02-24 | 2021-08-24 | 重庆欣天利智能重工有限公司 | Automatic control equipment and method for continuous cycle quenching and tempering |
| CN114085958A (en) * | 2021-11-12 | 2022-02-25 | 重庆荆江汽车半轴股份有限公司 | Automatic feeding device for thermal refining of automobile half shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115261566B (en) | 2024-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112725600A (en) | Full-automatic quenching mechanism of quenching furnace | |
| CN102676755A (en) | Hardening and tempering thermal treatment automatic production line of steel die forging | |
| CN207002808U (en) | A kind of magnesium alloy automatic cycle heat treatment system | |
| CN115261566A (en) | Push rod type automobile half shaft continuous hardening and tempering production system and method | |
| CN212357030U (en) | Glass tempering processing device | |
| CN216073928U (en) | Aluminum product annealing furnace | |
| CN201876107U (en) | Multistation moveable three-dimensional compound trolley | |
| CN101760707B (en) | Rolling rod type continuous solid solution aging heat treatment equipment | |
| CN213778631U (en) | Heat treatment furnace sealing equipment with high safety coefficient | |
| CN212713666U (en) | Rapid material inlet and outlet mechanism of heat treatment heating furnace | |
| CN201809402U (en) | Automatic quenching mechanism | |
| CN114657354A (en) | Full-automatic roller type small steel cylinder heat treatment production line | |
| CN212025409U (en) | Heat treatment device for aluminum casting | |
| CN204824985U (en) | High temperature gyration elevating system | |
| CN211710900U (en) | Tin adding trolley for glass tin bath | |
| CN201284365Y (en) | Roller type continuous solution and aging heat-treating facility | |
| CN114032492A (en) | Pre-oxidation heat treatment furnace | |
| CN113943851A (en) | Full-automatic heat treatment system and method for large workpiece | |
| JP2621974B2 (en) | Quenching device | |
| CN111944976A (en) | Rapid material inlet and outlet mechanism of heat treatment heating furnace | |
| CN215481125U (en) | Offline bright annealing device for automobile fuel pipe | |
| CN116590512B (en) | Vacuum quenching furnace for broach | |
| CN219218091U (en) | Feeding and discharging device and double-chamber oil quenching furnace | |
| CN218404333U (en) | Breaking hammer heat treatment continuous furnace | |
| CN218842260U (en) | Continuous heat treatment furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240226 Address after: No. 3 Jinfu 1st Road, Gunan Street, Qijiang District, Chongqing, 400800 Applicant after: CHONGQING JINGJIANG AUTO SEMI-AXLE Co.,Ltd. Country or region after: China Address before: 434300 Qi Ju Si Village, Gongan County bamboo garden town, Jingzhou, Hubei Applicant before: JINGJIANG SEMIAXIS (HUBEI) Co.,Ltd. Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |