CN115261566B - Push rod type automobile half shaft continuous tempering production system and method - Google Patents
Push rod type automobile half shaft continuous tempering production system and method Download PDFInfo
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- CN115261566B CN115261566B CN202210915103.5A CN202210915103A CN115261566B CN 115261566 B CN115261566 B CN 115261566B CN 202210915103 A CN202210915103 A CN 202210915103A CN 115261566 B CN115261566 B CN 115261566B
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- 238000005496 tempering Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title abstract description 16
- 238000010791 quenching Methods 0.000 claims abstract description 48
- 230000000171 quenching effect Effects 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 123
- 238000007599 discharging Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—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")
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- 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
Abstract
The invention provides a push rod type automobile half shaft continuous quenching and tempering production system which comprises a feeding device for feeding an automobile half shaft to a feeding end of a quenching furnace, a pushing device for pushing the automobile half shaft on a feeding disc of the feeding device into the quenching furnace, the quenching furnace for quenching the pushed automobile half shaft, and a PLC (programmable logic controller) for controlling the feeding device, the pushing device and the quenching furnace. The invention also provides a continuous quenching and tempering production method of the push rod type automobile half shaft. According to the automatic continuous quenching and tempering heat treatment device, through the feeding device, the pushing device, the quenching furnace and the PLC, automatic continuous quenching and tempering heat treatment production can be realized on the automobile half shaft, so that the stability of the product quality is ensured, the labor intensity of workers is relieved, and the production efficiency is improved; meanwhile, the method can be used for heat treatment of other types of workpieces besides heating quenching and tempering heat treatment of the automobile half shaft.
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 tempering production system and method.
Background
The half axle of automobile is generally the drive axle, which is composed of main speed reducer, differential mechanism, wheel drive unit and drive axle shell, and steering drive axle is also 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 driving wheels 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 mechanism realizes the differential action of wheels at two sides, and ensures that the inner wheels and the outer wheels turn at different rotating speeds; (4) the axle housing and the wheels realize the bearing and force moment transmission functions.
At present, in the production process of automobile parts, workpieces such as automobile half shafts and the like are subjected to tempering heat treatment. The inventor of the application finds that the traditional trolley furnace is adopted for tempering, and the quality of products is unstable due to more human factors, and the labor intensity of workers is high and the efficiency is low.
Disclosure of Invention
Aiming at the technical problems that the traditional trolley furnace is adopted for tempering heat treatment of the existing automobile half shafts and other workpieces, the quality of products is unstable due to more human factors, the labor intensity of workers is high, and the efficiency is low, the invention provides a push rod type automobile half shaft continuous tempering production system.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a push rod type automobile semi-axis continuous quenching and tempering production system, includes material feeding unit, blevile of push, quenching furnace and PLC controller, material feeding unit includes material platform, charging tray, carrier plate mechanism and drive mechanism, the front and back side surface and the left side surface fixedly connected with side fender of material platform, the left side of material platform keeps up fixedly and is equipped with travel switch, the charging tray includes the flitch that slidable sets up on the step face that material platform front and back side surface and side fender formed, be provided with the work rest of being convenient for automobile semi-axis continuous placement along controlling direction on the flitch, the flitch bottom is equipped with the spout, carrier plate mechanism includes base, lift cylinder and carrier plate, lift cylinder fixed mounting is on the base surface, lift cylinder's piston rod is vertical upwards and with carrier plate bottom fixedly connected with, the carrier plate can rise to the side of supporting the contact with the material plate bottom under the drive of lift cylinder, the both ends fixedly connected with driving motor, the both ends fixedly connected with driving gear has the pivot on the driving gear, the driven gear is connected with both ends fixedly connected with driven gear and the pivot, the driven gear is connected with both ends fixedly with the driven gear and the driven gear is connected with the pivot respectively; the pushing device comprises a supporting table and a pushing oil cylinder, the pushing oil cylinder is fixedly arranged on the surface of the supporting table, the top end of a piston rod of the pushing oil cylinder is fixedly connected with a pushing head, and a notch which is convenient for the pushing head to pass through is formed in the side of 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 furnace chamber of the furnace body, the heating element is arranged at the bottom of the furnace chamber, the feeding door is arranged at a feeding end of the furnace body, the discharging door is arranged at a discharging end of the furnace body, lifting oil cylinders are respectively fixedly arranged on the furnace body beside the feeding door and the discharging door, a piston rod of each lifting oil cylinder is vertically upwards, and the top end of each lifting oil cylinder is correspondingly connected with the top parts of the feeding door and the discharging door through a pull rope; and the travel switch, the lifting cylinder, the double-shaft motor, the pushing cylinder and the lifting cylinder are all electrically connected with the PLC.
Further, clamping blocks are respectively arranged on the surfaces of the carrier plates near the four corners, and clamping grooves which are correspondingly matched with the clamping blocks are formed in the bottom surfaces of the material plates.
Further, the tray carrying mechanism further comprises a stabilizing plate, the stabilizing plate is connected with sliding grooves preset on the inner walls of the front side and the rear side of the material table in a sliding fit mode, a cavity which is convenient for the tray carrying to pass through is formed in the stabilizing plate, and four corners of the bottom surface of the stabilizing plate are fixedly connected with the base through supporting columns.
Further, the left lower part of the material table is also provided with a protective net for shielding the driven rotating shaft and the driven gear.
Further, the left side fixedly connected with that pushes away the stub bar can be at the bench left side surface with the side stop the arc branch that forms on the step face that removes, the right side fixedly connected with direction branch of stub bar, the direction branch is kept away from the one end of pushing away the stub bar and is closely stretched into the guide cylinder of fixing at the supporting bench surface.
Further, a heating element at the bottom of the hearth adopts a radiant heating pipe.
Further, the furnace body is also provided with a thermal circulation device, and the thermal circulation device comprises a thermal circulation fan for extracting heat from a high-temperature area needing to be cooled and a thermal circulation pipeline for sending the extracted heat into a low-temperature area needing to be heated.
Further, 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 a guy cable is correspondingly connected with the top of the feeding door and the top of the discharging door after bypassing the fixed pulley.
Further, the furnace cover is formed by welding profile steel and a steel plate.
The invention also provides a continuous quenching and tempering production method of the push-rod type automobile half shaft, wherein the continuous quenching and tempering production system of the push-rod type automobile half shaft is adopted in the method, and the method comprises the following steps:
s1, placing an automobile half shaft to be treated on the material rack;
s2, the PLC controls a piston rod of the lifting cylinder to move upwards, and drives the carrier plate to rise to be in contact with the bottom surface of the material plate in a propping way;
s3, the PLC controls the double-shaft motor to rotate positively, the double-shaft motor drives a driving gear on a driving rotating shaft to rotate, so that a driven gear is driven to rotate through a transmission chain meshed with the driving gear, a base fixedly connected with the transmission chain is simultaneously driven to move to the left side of a material table, and a material plate is driven to move to the left side of the material table through the movement of the base; when part of the material plates move to the notches formed on the side stops of the front side surface and the rear side surface of the material table, the PLC controls the biaxial motor to pause rotation; then the PLC 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 reversely rotate, the carrier plate is driven to move back to the right side of the material table through the movement of the base, and when the carrier plate moves back to the left side to be spaced from the material plate, the PLC controls the piston rod of the lifting cylinder to move upwards again, and the carrier plate is driven to rise to be opposite to the right side of the material plate; the PLC controls the double-shaft motor to rotate forward again, the carrier plate is driven to move to the left side of the material table again through the movement of the base, the left side of the material table is pushed to the left side travel switch of the material table through the close contact of the carrier plate and the right side of the material table, the PLC is triggered to control the double-shaft motor to pause, and then the PLC 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 open by a inhaul cable;
s5, the PLC controls a piston rod of the pushing oil cylinder to move towards the notch direction of the side baffle to drive the pushing head to be in abutting contact with the side surface of the material tray, the material tray is pushed onto a furnace bottom guide rail in the furnace, one material tray positioned at the side of the discharging door is pushed out through the driving of the pushed material tray to the existing material tray filled on the furnace bottom guide rail, then the PLC controls the piston rod of the lifting oil cylinder to move upwards, and the material inlet door and the material outlet door on the quenching furnace are driven to be closed through a inhaul cable to start quenching.
Compared with the prior art, the push rod type automobile half shaft continuous tempering production system and method provided by the invention can realize automatic continuous tempering heat treatment production on the automobile half shaft through the feeding device, the 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 is mainly 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.
Drawings
FIG. 1 is a schematic structural diagram of a push-rod type automobile half-shaft continuous tempering production system.
Fig. 2 is a schematic diagram of the production system of fig. 1 with the tray omitted.
Fig. 3 is a schematic structural view of the radiant-heating pipe provided by the invention arranged at the bottom of a quenching furnace hearth.
Fig. 4 is a schematic view of a structure of a heat cycle apparatus provided by the present invention disposed on a quenching furnace.
In the figure, 1, a feeding device; 11. a material platform; 111. a side block; 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 support post; 14. a transmission mechanism; 141. a biaxial motor; 142. a driving rotating shaft; 143. a drive gear; 144. a driven rotating shaft; 145. a driven gear; 146. a drive chain; 2. a pushing device; 21. a support table; 22. pushing oil cylinder; 23. pushing the material head; 24. an arc-shaped supporting 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 lifting oil cylinder; 37. a guy cable; 38. a thermal cycling device; 381. a thermal cycle fan; 382. and a thermal circulation pipeline.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
In the description of the present invention, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, the invention provides a continuous quenching and tempering production system for a push rod type automobile half shaft, which comprises a feeding device 1, a pushing device 2, a quenching furnace 3 and a PLC controller, wherein the feeding device 1 comprises a material table 11, a material tray 12, a tray carrying mechanism 13 and a transmission mechanism 14, the front side surface, the rear side surface and the left side surface of the material table 11 are fixedly connected with a side block 111, a travel switch 112 is fixedly arranged on the left side block 111 of the material table 11, the material tray 12 comprises a material tray 121 which is slidably arranged on a step surface formed by the front side surface, the rear side surface and the side block 111 of the material table 11, a material rack 122 which is convenient for the continuous placement of the automobile half shaft is arranged on the material tray 121 along the left-right direction, a chute is arranged on the bottom surface of the material tray 121, the tray carrying mechanism 13 comprises a base 131, a lifting cylinder 132 and a carrier 133, the lifting cylinder 132 is fixedly arranged on the surface of the base 131, the piston rod of the lifting cylinder 132 is vertically upwards and fixedly connected with the bottom of the carrier plate 133, the carrier plate 133 can be lifted to be in propping contact with the bottom surface of the material plate 121 under the driving of the lifting cylinder 132, thus the material plate 121 is lifted, the transmission mechanism 14 comprises a double-shaft motor 141, two ends of the double-shaft motor 141 are fixedly connected with a driving rotating shaft 142, the driving rotating shaft 142 is fixedly connected with a driving gear 143, the lower left part of the material table 11 is rotatably connected with a driven rotating shaft 144 through a bearing, driven gears 145 corresponding to the driving gears 143 at two ends of the double-shaft motor 141 are fixedly connected with the driven rotating shaft 144, namely, two driven gears 145 are correspondingly arranged on the driven rotating shaft 144, the driving gears 143 and the driven gears 145 are in meshed connection with a transmission chain 146, two ends of the transmission chain 146 are fixedly connected with the left end and the right end of the base 131 respectively, so that the base 131 can move back and forth under the forward and reverse rotation action of the double-shaft motor 141 through the driving of the transmission chain 146; the pushing device 2 comprises a supporting table 21 and a pushing oil cylinder 22, the pushing oil cylinder 22 is fixedly arranged on the surface of the supporting table 21, a pushing head 23 is fixedly connected to the top end of a piston rod of the pushing oil cylinder 22, and a notch 113 which is convenient for the pushing head 23 to pass through is formed in a lateral baffle 111 on the front side and the rear side 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 feed door 35 and a discharge door (not shown in the figure), wherein the furnace cover 32 is detachably connected to the furnace body 31 through bolts, namely, the furnace cover 32 and the furnace body 31 are in split type, so that after the bolts are loosened, the furnace cover 32 can be lifted by a crane for convenient later maintenance, the furnace bottom guide rail 33 is fixedly arranged in a furnace cavity of the furnace body 31, the furnace bottom guide rail 33 can be correspondingly matched with a chute on the bottom surface of a material plate 121, the heating element 34 is arranged at the bottom of the furnace cavity, the feed door 35 is arranged at the feed end of the furnace body 31, the discharge door is arranged at the discharge end of the furnace body 31, lifting cylinders 36 are respectively fixedly arranged on the furnace body 31 beside the feed door 35 and the discharge door, piston rods of the lifting cylinders 36 are vertically upwards and the tops of the feed door 35 and the discharge door are correspondingly connected with the tops of the feed door 35 through a guy cable 37, the feed door 35 and the discharge door can be lifted up and down under the driving of the lifting cylinders 36, and other parts of the quenching furnace 3 can be realized by adopting the prior art; the travel switch 112, the lifting cylinder 132, the dual-shaft motor 141, the pushing cylinder 22 and the lifting cylinder 36 are all electrically connected with a PLC controller (not shown in the figure), 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 pulse signals and reversing signals to complete the control, and the control may be specifically implemented by using the prior art, that is, the specific structure and control manner of the PLC controller are well known to those skilled in the art.
As a specific embodiment, as shown in fig. 2, the surface of the carrier plate 133 is respectively provided with clamping blocks 134 near four corners, and the bottom surface of the material plate 121 is provided with clamping grooves corresponding to the clamping blocks 134, so that the carrier plate 133 can stably lift the material plate 121 through the clamping fit of the clamping blocks 134 and the clamping grooves, and the stability of the material plate 121 in the moving process is further enhanced.
As a specific embodiment, please refer to fig. 2, the tray mechanism 13 further includes a stabilizing plate 135, the stabilizing plate 135 is slidably connected with the preset sliding grooves 114 on the front and rear side walls of the material table 11, the stabilizing plate 135 is provided with a cavity through which the carrier plate 133 passes, four corners of the bottom surface of the stabilizing plate 135 are fixedly connected with the base 131 through the supporting posts 136, that is, the stabilizing plate 135 is connected with the base 131 through the supporting posts 136, and the stabilizing plate 135 is slidably connected with the preset sliding grooves 114 on the front and rear side walls of the material table 11, so that the stability of the base 131 in the moving process can be improved, and the technical scheme in the embodiment can further improve the stability of the material table 121 in the moving process on the basis of enhancing the stability of the material table 121 in the moving process in the foregoing embodiment.
As a specific embodiment, referring to fig. 1 and 2, a protection net 115 for shielding the driven rotating shaft 144 and the driven gear 145 is further disposed at the lower left side of the material table 11, so that injury caused by personnel's miscollision can be prevented on the basis of protecting the driven rotating shaft 144 and the driven gear 145.
As a specific embodiment, please refer to fig. 1 and 2, the left side of the pushing head 23 is fixedly connected with an arc-shaped supporting rod 24 that can move on the step surface formed by the left side surface of the material table 11 and the side block 111, the right side of the pushing head 23 is fixedly connected with a guiding supporting rod 25, and one end of the guiding supporting rod 25 far away from the pushing head 23 tightly stretches into a guiding cylinder 26 fixed on the surface of the supporting table 21, so that the pushing head 23 can be better ensured to realize horizontal stable pushing in the pushing process by arranging the arc-shaped supporting rod 24 and the guiding supporting rod 25 on the left side and the right side of the pushing head 23 respectively.
As a specific embodiment, referring 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 to avoid the scratch of the workpieces such as the half axle of the automobile, so as to improve the service life of the heating element.
As a specific embodiment, please refer to fig. 4, because the process parameters of heating are different due to the switching of the products, a thermal cycle device 38 may need to be cooled, and the thermal cycle device 38 further includes a thermal cycle fan 381 for extracting heat from a high temperature area to be cooled and a thermal cycle pipe 382 for sending the extracted heat to a low temperature area to be heated, so that not only energy consumption is saved, but also time is saved.
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 via hole 312 is vertically formed in the supporting beam 311, a fixed pulley 313 is fixedly connected inside the via hole 312 of the supporting beam 311, and one end of the cable 37 bypasses the fixed pulley 313 and then the tail end of the cable is correspondingly connected with the top of the feeding door 35 and the top of the discharging door, thereby ensuring that the feeding door 35 and the discharging door can easily lift up and down under the driving of the lifting cylinder 36.
As a specific example, the cover 32 is formed by welding existing section steel and steel plates, thereby enabling the cover to have good appearance and surface quality.
The invention also provides a continuous quenching and tempering production method of the push-rod type automobile half shaft, wherein the continuous quenching and tempering production system of the push-rod type automobile half shaft 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 122;
s2, the PLC controls the piston rod of the lifting cylinder 132 to move upwards, and drives the carrier plate 133 to rise to be in abutting contact with the bottom surface of the material plate 121;
s3, the PLC controls the double-shaft motor 141 to rotate positively, the double-shaft motor 141 drives the driving gear 143 on the driving rotating shaft 142 to rotate, so that the driven gear 145 is driven to rotate through the transmission chain 146 meshed with the driving gear 143, and simultaneously the base 131 fixedly connected with the transmission chain 146 is driven to move to the left side of the material table 11, and the material plate 121 is driven to move to the left side of the material table 11 through the movement of the base 131; when part of the material plates 121 move to the gaps 113 formed on the front and rear side surface side stops of the material table 11, the PLC 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 and separate from the bottom surface of the material plate 121; the PLC controls the double-shaft motor 141 to reversely rotate, the base 131 moves to drive the carrier plate 133 to move back to the right side of the material table 11, and when the carrier plate 133 moves back to the left side to be spaced from the material table 11, the PLC controls the piston rod of the lifting cylinder 132 to move upwards again to drive the carrier plate 133 to rise to be opposite to the right side of the material plate 121; the PLC controller controls the double-shaft motor 141 to rotate forward again, the carrier plate 133 is driven to move to the left side of the material table 11 again through the movement of the base 131, the carrier plate 133 is in close contact with the right side of the material table 121, the left side of the material table 121 is pushed to the left side of the material table 11, the travel switch 112 triggers the PLC controller to control the double-shaft motor 141 to pause, and then the PLC controller 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 open by a inhaul cable 37;
s5, the PLC controls a piston rod of the pushing cylinder 22 to move towards a side baffle notch 113 to drive a pushing head 23 to be in contact with the side surface of the material tray 12 in a propping mode, the material tray 12 is pushed onto a furnace bottom guide rail 33 in a furnace cavity, one material tray positioned at the side of a discharging door is pushed out through the driving of the pushed material tray 12 to the existing material tray on the furnace bottom guide rail, namely, one material tray positioned at the side of the discharging door is pushed out through the mutual force transmission of the existing material tray on the furnace bottom guide rail, so that one tray material is fed into the furnace in each feeding period, meanwhile, the discharging end correspondingly needs to be provided with one tray material, then the PLC controls the piston rod of the lifting cylinder 36 to move upwards, and a charging door 35 and a discharging door on the quenching furnace 3 are driven to be closed through a guy cable 37 to start quenching. Other heat treatment steps after quenching are known to those skilled in the art, specifically, taking out the quenched automobile half shaft, putting the automobile half shaft into a quenching tank for cooling, repeating the feeding and pushing actions after cooling, and sending the automobile half shaft into a tempering furnace for tempering, thereby completing the heat treatment.
Compared with the prior art, the push rod type automobile half shaft continuous tempering production system and method provided by the invention can realize automatic continuous tempering heat treatment production on the automobile half shaft through the feeding device, the 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 is mainly 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.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and 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 and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a push rod type automobile semi-axis continuous quenching and tempering production system, which is characterized in that, including material feeding unit, blevile of push, quenching furnace and PLC controller, material feeding unit includes material platform, charging tray, carrying tray mechanism and drive mechanism, the front and back side surface and the left side surface fixedly connected with side fender of material platform, the left side of material platform keeps off and is fixed and is equipped with travel switch, the charging tray includes the slidable setting in the material platform front and back side surface and the material board on the step face that the side fender formed, be provided with the work or material rest of being convenient for automobile semi-axis continuous placement along left and right sides on the material board, the material board bottom is equipped with the spout, carrying tray mechanism includes base, lift cylinder, carrier plate and stabilizer plate, lift cylinder fixed mounting is on the base surface, lift cylinder's piston rod is vertical upwards and with carrier plate bottom fixed connection, the carrier plate can rise to the top contact with the material board bottom surface under the drive of lift cylinder, the carrier plate surface punishment is equipped with the fixture block in being close to four corners, the material board surface is equipped with the correspondence to the front and back side motor and the side of side gear carrier plate bottom plate, the drive motor is equipped with the corresponding to the recess, the driven gear is equipped with the pivot on the fixed connection has the pivot on the fixed connection of the front and back side of drive table and the driven gear, the pivot has the fixed connection to the pivot has the pivot to be fixed to the pivot, the pivot is fixed to the pivot on the fixed connection has the pivot on the front and the fixed to the two sides, two ends of the transmission chain are fixedly connected with the left end and the right end of the base respectively, and a protective net for shielding the driven rotating shaft and the driven gear is arranged at the lower part of the left side of the material table; the pushing device comprises a supporting table and a pushing oil cylinder, the pushing oil cylinder is fixedly arranged on the surface of the supporting table, a pushing head is fixedly connected to the top end of a piston rod of the pushing oil cylinder, an arc-shaped supporting rod capable of moving on a step surface formed by the left side surface of the material table and a side baffle is fixedly connected to the left side of the pushing head, a guide supporting rod is fixedly connected to the right side of the pushing head, one end of the guide supporting rod, which is far away from the pushing head, tightly stretches into a guide cylinder fixed on the surface of the supporting table, and a notch which is convenient for the pushing head to pass through is formed in the side baffle of 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 furnace chamber of the furnace body, the heating element is arranged at the bottom of the furnace chamber, the feeding door is arranged at a feeding end of the furnace body, the discharging door is arranged at a discharging end of the furnace body, lifting oil cylinders are respectively fixedly arranged on the furnace body beside the feeding door and the discharging door, a piston rod of each lifting oil cylinder is vertically upwards, and the top end of each lifting oil cylinder is correspondingly connected with the top parts of the feeding door and the discharging door through a pull rope; and the travel switch, the lifting cylinder, the double-shaft motor, the pushing cylinder and the lifting cylinder are all electrically connected with the PLC.
2. The continuous quenching and tempering production system for push rod type automobile half shafts according to claim 1, wherein the heating element at the bottom of the hearth adopts a radiant heating pipe.
3. The push-rod type automobile half-shaft continuous tempering production system according to claim 1, wherein the furnace body is further provided with a thermal circulation device, and the thermal circulation device comprises a thermal circulation fan for extracting heat from a high-temperature area needing cooling and a thermal circulation pipeline for sending the extracted heat into a low-temperature area needing heating.
4. The continuous quenching and tempering production system for the push rod type automobile half shaft according to claim 1, wherein the top of the furnace body is provided with a supporting beam, a through hole is vertically formed in the supporting beam, a fixed pulley is fixedly connected in the through hole of the supporting beam, and one end of a guy cable is correspondingly connected with the tops of the feeding door and the discharging door after bypassing the fixed pulley.
5. The continuous quenching and tempering production system for a push rod type automobile half shaft according to claim 1, wherein the furnace cover is formed by welding profile steel and a steel plate.
6. A continuous quenching and tempering production method for a push-rod type automobile half shaft, which is characterized in that a continuous quenching and tempering production system for a push-rod type automobile half shaft according to any one of claims 1-5 is adopted, and comprises the following steps:
s1, placing an automobile half shaft to be treated on the material rack;
s2, the PLC controls a piston rod of the lifting cylinder to move upwards, and drives the carrier plate to rise to be in contact with the bottom surface of the material plate in a propping way;
s3, the PLC controls the double-shaft motor to rotate positively, the double-shaft motor drives a driving gear on a driving rotating shaft to rotate, so that a driven gear is driven to rotate through a transmission chain meshed with the driving gear, a base fixedly connected with the transmission chain is simultaneously driven to move to the left side of a material table, and a material plate is driven to move to the left side of the material table through the movement of the base; when part of the material plates move to the notches formed on the side stops of the front side surface and the rear side surface of the material table, the PLC controls the biaxial motor to pause rotation; then the PLC 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 reversely rotate, the carrier plate is driven to move back to the right side of the material table through the movement of the base, and when the carrier plate moves back to the left side to be spaced from the material plate, the PLC controls the piston rod of the lifting cylinder to move upwards again, and the carrier plate is driven to rise to be opposite to the right side of the material plate; the PLC controls the double-shaft motor to rotate forward again, the carrier plate is driven to move to the left side of the material table again through the movement of the base, the left side of the material table is pushed to the left side travel switch of the material table through the close contact of the carrier plate and the right side of the material table, the PLC is triggered to control the double-shaft motor to pause, and then the PLC 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 open by a inhaul cable;
s5, the PLC controls a piston rod of the pushing oil cylinder to move towards the notch direction of the side baffle to drive the pushing head to be in abutting contact with the side surface of the material tray, the material tray is pushed onto a furnace bottom guide rail in the furnace, one material tray positioned at the side of the discharging door is pushed out through the driving of the pushed material tray to the existing material tray filled on the furnace bottom guide rail, then the PLC controls the piston rod of the lifting oil cylinder to move upwards, and the material inlet door and the material outlet door on the quenching furnace are driven to be closed through a inhaul cable to start quenching.
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| 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210915103.5A CN115261566B (en) | 2022-08-01 | 2022-08-01 | Push rod type automobile half shaft continuous tempering production system and method |
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| CN115261566A CN115261566A (en) | 2022-11-01 |
| CN115261566B true CN115261566B (en) | 2024-03-29 |
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| CN115261566A (en) | 2022-11-01 |
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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 |
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