CN114990297A - Anti-clamping deformation transfer device for suspension torsion bar quenching process and use method - Google Patents
Anti-clamping deformation transfer device for suspension torsion bar quenching process and use method Download PDFInfo
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- CN114990297A CN114990297A CN202210615388.0A CN202210615388A CN114990297A CN 114990297 A CN114990297 A CN 114990297A CN 202210615388 A CN202210615388 A CN 202210615388A CN 114990297 A CN114990297 A CN 114990297A
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- 238000010791 quenching Methods 0.000 title claims abstract description 81
- 230000000171 quenching effect Effects 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012546 transfer Methods 0.000 title claims abstract description 23
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 230000007704 transition Effects 0.000 claims abstract description 37
- 238000013519 translation Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses an anti-clamping deformation transfer device for a suspension torsion bar quenching process and a use method thereof, and the transfer device comprises a medium-frequency quenching machine, wherein a discharge port is arranged on one side of the quenching machine, the discharge port returns materials and exits a torsion bar, splines are arranged at two ends of the torsion bar and are rolled with blind teeth, an assembly groove is arranged on the splines, a material pushing platform is arranged on one side of the discharge port, a material pushing slide rail is arranged on the material pushing slide rail, a lifting mechanism is arranged on the material pushing slide rail, a transition slope plate is arranged on one side of the material pushing platform, a limiting device is arranged on the transition slope plate, feeding mechanisms are arranged on two sides of the transition slope plate, a quenching bath is arranged at one end of the transition slope plate and is provided with a material pushing platform, a positioning and conveying device is arranged on the top surface of the quenching bath, and a sinking hanger plate is arranged above the quenching bath; the advantages are that: the invention completely avoids the processing of the rod body by clamping mechanisms such as clamping jaw fire tongs and the like in the transferring process of the torsion bar quenching, so that the acting point of the rod body cannot be excessively concentrated to generate local deformation, and the quality of the torsion bar rod body after intermediate frequency can be effectively ensured.
Description
Technical Field
The invention relates to the technical field of torsion bar manufacturing, in particular to a clamping deformation prevention transfer device for a suspension torsion bar quenching process and a using method thereof.
Background
The automobile torsion bar is subjected to the processes of upsetting, milling, quenching, cooling, tempering, cooling, air drying, code spraying and the like in the preparation process, the automobile torsion bar is discharged from intermediate frequency equipment in the cooling process after quenching at present, a torsion bar blank with high surface temperature is manually transferred by using a clamp after discharging, the torsion bar blank is thrown into a quenching tank for cooling, tools such as clamping jaws or live fire tongs commonly adopted at present are transferred in the transferring process, the torsion bar is put into a hanging basket and sunk into the cooling tank for centralized cooling, the rod body of the torsion bar is very easy to be pressurized and deformed by the clamping jaws or the fire tongs in the clamping and transferring process, and the position of a stress point is closer to the intermediate clamping, the effect of the two ends on the clamping positions of the clamping jaws due to gravity factors is larger, and the deformation caused by the gravity factors is increased, so that when the finished torsion bar is applied to a vehicle, particularly a machine with long-term running and uneven conditions such as an off-road vehicle and a harvester, the torsion bar is easy to break, the maintenance cost is caused, and the use risk of the vehicle is increased.
For example, CN201820616831.5 provides a full-automatic high-frequency quenching machine for mower hard shafts, which only changes the process from manual quenching to automatic quenching, but does not fundamentally solve the quality problem of automobile torsion bars, and the surface of the hard shaft clamped by mechanical clamping jaws for high-frequency quenching is already in a hypoeutectoid or hypereutectoid state, which brings about the problem of fracture in use.
The most important problem to be solved in the manufacturing of the torsion bar is how to avoid rod clamping damage during the process of transferring the torsion bar to a cooling pool after heating the torsion bar.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a hang torsion bar quenching process prevent pressing from both sides and hold deformation transfer device, includes the intermediate frequency quenching machine, quenching machine one side is equipped with the discharge gate, the discharge gate returns the material and withdraws from the torsion bar, the torsion bar both ends are equipped with the spline, the spline is rolled there is blind tooth, the spline is equipped with the assembly groove, discharge gate one side is equipped with pushes away the material platform, it pushes away the material bench and is equipped with and pushes away the material slide rail to push away, it is equipped with lifting mechanism on the material slide rail to push away, one side of pushing away the material platform is equipped with the transition ramp, be equipped with stop device on the transition ramp, the both sides of transition ramp are equipped with feed mechanism, the one end of transition ramp is equipped with it is equipped with to push away the material platform other end the quenching bath, the top surface of quenching bath is equipped with location conveyor, the top of quenching bath is equipped with down the hanger plate.
Further, the material pushing table is provided with support legs, the top surface of the material pushing table is provided with a hollow part, two sides of the hollow part are provided with movable plate grooves, movable plates are arranged in the movable plate grooves, the top surface of each movable plate is horizontal to the top surface of the material pushing table, a torsion bar baffle is arranged on the top surface of the material pushing table and is divided into a main baffle, a limiting plate, an auxiliary baffle and a side plate, the main baffle, the limiting plate, the auxiliary baffle and the discharge side of the quenching machine form an included angle of 90 degrees, the side plate and the main baffle form an included angle of 90 degrees, the material pushing table is provided with a cavity, two ends of the cavity penetrate through the material pushing table, a material pushing slide rail is arranged in the clamping cavity, and the lifting mechanism is a lifting supporting table.
Further, it is double-deck slide rail to push away the material slide rail, it includes lifts the track and pushes away the material track to push away the material slide rail, it locates to lift the track it pushes away material track top, push away the material slide rail with it is the same to lift slide rail length, the one end of lifting the slide rail is fixed in the middle part that pushes away the material slide rail.
Further, lift the mechanism including lifting the slider, lifting the motor, lift die-pin and arc layer board, it is fixed in to lift the motor on the slider, it is fixed in to lift the die-pin lift on the motor, be equipped with the lug on the arc layer board, it is fixed in to lift the slider on the lift track.
Further, a limiting slide rail is arranged on the transition slope plate, a limiting device is embedded on the limiting slide rail, driving grooves are arranged on two sides of the surface of the transition slope plate, a driving shaft and a driven shaft are arranged in the driving grooves, the driving shaft penetrates through the side wall of the driving grooves and is connected with a driving motor, the driving motor is fixed on the side wall of the transition slope plate through a motor support, the driving shaft is connected with the driven shaft through a transmission belt, the limiting device is fixedly connected with the transmission belt through a belt clamping plate, a limiting base plate is arranged on the limiting device, limiting slide tables which are identical in structure and symmetrically arranged at two ends are arranged on the limiting base plate, the limiting slide tables comprise a slide table driving plate, a slide table baffle plate, a lead screw and a guide post, a slide table motor is arranged on one side of the slide table driving plate, the guide post and two ends of the lead screw are respectively connected with the opposite surfaces of the slide table driving plate and the slide table baffle plate, the sliding table driving plate is provided with a through hole, the screw rod passes through the through hole and is connected with the sliding table motor, the limiting sliding table is provided with a limiting sliding block, the screw rod and the guide post penetrate through the limiting sliding block, the top surface of the limiting slide block is provided with a limiting table, the top surface of the limiting table is provided with a motor fixing plate, the motor fixing plate is provided with a thimble mechanism, a feeding cylinder and a lifting cylinder are arranged on one side of the limiting table, the feeding cylinder is provided with a feeding cylinder rod, the lifting cylinder is provided with a lifting cylinder rod, the outer side of the feeding cylinder rod is provided with a lifting sleeve, the lifting cylinder rod is connected with the lifting sleeve, one end of the feeding cylinder rod is provided with a translation working plate, the clamping device is characterized in that a translation groove is formed in the translation working plate, a translation lead screw is arranged in the translation groove, a translation plate is arranged on the translation lead screw, and a clamping jaw is fixed on the translation plate.
Further, the thimble mechanism includes the axle bed, be equipped with the pivot thimble in the axle bed, rotating device is connected to one section of pivot thimble, the pivot thimble includes syringe needle and pivot two parts, the syringe needle diameter is less than the pivot diameter and be fixed in the pivot and not connect rotating device's one end, the pivot is equipped with the one end of syringe needle is equipped with the arc inserted block, be equipped with the spline housing on the arc inserted block, the spline housing includes stack shell and stack shell two parts for annular sleeve, the stack shell bottom of spline housing is equipped with recess and thimble hole, the surface laminating of arc inserted block the groove face of recess, the thimble passes the thimble hole and locates the inboard of spline housing, the stack shell inboard of spline housing is equipped with spline tooth and blind tooth fixture block.
Furthermore, a feeding slide rail is arranged on one side of the limiting table, a feeding slide block is arranged on the feeding slide rail, the feeding cylinder is fixedly connected with the feeding slide block, and the upper end of the feeding slide rail is higher than the top surface of the limiting table.
Furthermore, the both sides of transition ramp plate are equipped with feed mechanism, feed mechanism includes the material loading board, material loading board one side is equipped with the spline housing conveyer belt, be equipped with the material loading electric rail on the material loading board, be equipped with the material loading splint on the material loading electric rail, be equipped with the clamping jaw on the splint.
Furthermore, the positioning and conveying devices are arranged on two sides of the top surface of the quenching bath and comprise positioning slide rails, positioning slide blocks, positioning rods and gripping devices, each gripping device comprises a gripping cylinder and a clamping jaw, the gripping cylinder is connected with the clamping jaw through a cylinder rod, a fixing seat is arranged at the bottom of each positioning rod, a metal block is arranged at the top of each positioning rod, an electromagnetic valve is arranged at one end of each positioning slide rail, and each positioning slide block is a metal slide block.
Further, the top surface of the hanging plate that sinks is equipped with the jib, the hanging plate that sinks passes through jib and wall body are fixed, the bottom surface both sides of the hanging plate that sinks are equipped with positioning groove, equidistant track that is equipped with the same structure between positioning groove, all be equipped with two clamping jaws that sink on the track, the clamping jaw that sinks is fixed in on the hydraulic pressure riser, the top of locating lever is inserted and is located in the positioning groove, positioning groove's lateral wall equidistant induction valve that is equipped with, induction valve control track circuit.
Furthermore, the side wall of the quenching bath is provided with two opposite clamping blocks with the same structure, and the clamping blocks are provided with grooves with semicircular sections.
The invention has the advantages that: compared with the prior art, the invention has reasonable design and strong practicability and has the following beneficial effects:
1. in the transfer process of torsion bar quenching, the invention completely avoids the processing of the bar body by clamping mechanisms such as clamping jaw fire tongs and the like, so that the acting point of the bar body cannot be excessively concentrated to generate local deformation, and the quality of the torsion bar body after intermediate frequency can be effectively ensured;
2. the transition slope plate part can flexibly replace and supplement the spline sleeve, and combines the spline sleeve with the thimble mechanism, so that splines at two ends are clamped and nested when the torsion bar is transferred to the working procedure, and then the splines are supported by the two ends, thereby further reducing the risk of rod body damage and effectively ensuring the workpiece quality of the rod body;
3. when the quenching bath is transferred to the quenching bath part for cooling preparation work, the clamping jaw clamps the quenching bath part and drags the quenching bath part in the horizontal direction, then the sinking mechanism on the hanging plate clamps the torsion bar sleeve, and then the torsion bar sleeve sinks into the quenching bath for cooling operation;
4. the quenching tank is also provided with a clamping block with a special structure, so that the torsion bars are distributed more uniformly, and the quenching efficiency is higher during batch operation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the material pushing table according to the present invention;
FIG. 3 is a schematic structural diagram of a lift mechanism according to the present invention;
FIG. 4 is a schematic view of the pushing slide rail according to the present invention;
FIG. 5 is a schematic view of a transition ramp of the present invention;
FIG. 6 is a schematic structural view of the spacing device of the present invention;
FIG. 7 is a schematic structural view of a stop table according to the present invention;
FIG. 8 is a schematic structural view of a feed cylinder and a lift cylinder according to the present invention;
FIG. 9 is a schematic structural view of a translating work plate of the present invention;
FIG. 10 is a schematic structural view of the ejector pin mechanism of the present invention;
FIG. 11 is a schematic view of the loading mechanism of the present invention;
FIG. 12 is a schematic view of a positioning and conveying device according to the present invention;
FIG. 13 is a schematic view of the structure of the bottom surface of the sinking hanger plate of the present invention;
FIG. 14 is a schematic diagram of a torsion bar structure to which the present invention is applied.
In the figure, 1-material pushing platform, 11-movable plate groove, 12-movable plate, 13-torsion bar baffle, 131-main baffle, 134-side plate, 132-limit plate, 133-auxiliary baffle, 14-material pushing slide rail, 141-lifting rail, 142-material pushing rail, 15-lifting mechanism, 151-lifting slide block, 152-lifting motor, 153-lifting support rod and 154-arc-shaped supporting plate;
2-transition slope plate, 21-limit slide rail, 22-drive groove, 221-drive shaft, 222-drive motor and 223-drive belt;
3-a quenching bath;
4-limiting device, 41-limiting base plate, 42-limiting sliding table, 421-sliding table driving plate, 422-sliding table baffle, 423-sliding table screw rod, 424-guide pillar, 425-sliding table motor and 426-limiting sliding block;
43-limiting table, 431-feeding cylinder, 432-lifting cylinder, 433-lifting sleeve, 4311-feeding cylinder rod, 4312-translation working plate, 43121-translation groove, 43122-translation screw rod, 43123-translation plate, 4321-lifting cylinder rod, 4313-feeding slide rail, 443-spline sleeve, 4431-spline tooth and 4432-blind tooth fixture block;
44-thimble mechanism, 441-axle seat, 442-rotating axle thimble, 444-rotating device, 4421-needle, 4422-rotating axle, 4423-arc plug block and 45-motor fixing plate;
5-a feeding mechanism, 51-a feeding plate, 52-a spline sleeve conveyor belt and 53-a feeding clamping plate;
6-positioning and conveying device, 61-positioning slide rail, 62-positioning slide block, 63-positioning rod and 64-grabbing device; 7-sinking hanger plate, 71-hanger rod, 72-positioning clamping groove and 73-sinking clamping jaw.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-14, an anti-pinch deformation transfer device for a suspension torsion bar quenching process comprises a medium frequency quenching machine, wherein a discharge port is arranged on one side of the quenching machine, material returned from the discharge port exits from a torsion bar, a torsion bar body is pushed out by the discharge thrust of a medium frequency mechanism and moves forwards, splines are arranged at two ends of the torsion bar and are rolled with blind teeth, the splines are provided with assembly grooves, the blind teeth and the assembly grooves are both matched with the purpose of final product assembly in the later period, the blind teeth are spline notches formed by turning the peripheries of the spline teeth, a material pushing table 1 is arranged on one side of the discharge port, a material pushing slide rail 14 is arranged on the material pushing slide rail 1, a supporting and lifting mechanism 15 is arranged on the material pushing slide rail 14, when the torsion bar is output from the medium frequency equipment, the torsion bar is moved to the upper side of the supporting and lifting mechanism 15, a plurality of devices are linked to lift the torsion bar, the influence on the bar body is reduced by the material pushing force at two ends in the process, a transition slope plate 2 is arranged on one side of the material pushing slide rail 1, the transition slope plate 2 is provided with a limiting device 4, the transition slope plate 2 is used for conveying a torsion bar to the quenching bath 3 side for waiting for cooling, two sides of the transition slope plate 2 are provided with feeding mechanisms 5, the feeding mechanisms 5 lift the spline sleeve 443 to the transition slope plate 2 to be matched with the limiting table 43 for assembly, one end of the transition slope plate 2 is provided with a pushing table 1, the other end of the transition slope plate is provided with the quenching bath 3, the top surface of the quenching bath 3 is provided with a positioning and conveying device 6, the positioning and conveying device 6 clamps the torsion bar from the transition slope plate 2, the torsion bar with the assembled spline sleeve 443 can be prevented from being clamped by a rod body in the transfer process, the torsion bar is positioned when the torsion bar is moved, a sinking hanger plate 7 is arranged above the quenching bath 3, a plurality of mechanisms are arranged on the sinking hanger plate 7, and the matching positioning and conveying device 6 regularly transfers the torsion bar to the quenching bath 3 for cooling operation.
With reference to fig. 2-4, the material pushing table 1 is provided with support legs for supporting, the top surface of the material pushing table 1 is provided with a hollow part and a controller, the controller is provided with a single chip microcomputer and a power module, a timing unit is used for controlling the movement of each device on the material pushing table 1, two sides of the hollow part are provided with movable plate slots 11, a movable plate 12 is arranged in each movable plate slot 11, the top surface of each movable plate 12 is horizontal to the top surface of the material pushing table 1, the movable plate 12 is arranged in each movable plate slot 11, an electric slide rail is arranged in each movable plate slot 11, and two sides of each movable plate are fixed on electric sliders so as to realize the movement of the movable plate 12 in the horizontal direction on the material pushing table 1;
the top surface of the material pushing table 1 is provided with a torsion bar baffle plate 13, the torsion bar baffle plate 13 is divided into a main baffle plate 131, a limiting plate 132, an auxiliary baffle plate 133 and a side plate 134, the included angle between the main baffle plate 131, the limiting plate 132 and the auxiliary baffle plate 133 and the discharge side of the quenching machine is 90 degrees, the included angle between the side plate 134 and the main baffle plate 131 is 90 degrees, the torsion bar baffle plate 13 is arranged at the discharge port of the quenching device, when a torsion bar is pushed out and discharged, firstly, because the table top of the material pushing table 1 is contacted, then, the torsion bar baffle plate 13 limits the moving space, so that the torsion bar can only move forwards, but can not roll towards two sides to influence the working progress of the lifting mechanism 15, the side plate 134 is arranged on the material pushing table 1 far away from the side of the movable plate groove 11 on one side of the quenching device, so that the torsion bar can not exceed the lifting range of the lifting mechanism 15 in the advancing movement process, the bottom edge part of the main baffle plate 131 is fixed on the table top surface of the material pushing table 1 between the two movable plates 12, the length of the main baffle 131 is greater than the distance between the outer sides of the two movable plates 12, the limiting plate 132 is arranged on the table top of the pushing table 1 close to the quenching equipment and used for limiting corresponding to the main baffle 131, the auxiliary baffle is arranged on the table top of the pushing table 1 between the two movable plates and used for limiting corresponding to the main baffle 131, and the distance between the main baffle 131 and the limiting plate 132 is greater than the maximum diameter of the torsion bar spline produced by quenching;
the material pushing table 1 is provided with a cavity, two ends of the cavity are communicated, the cavity enables each device on the material pushing table 1 to be rapidly disassembled and replaced when the device is in fault, a material pushing sliding rail 14 is arranged in the clamping cavity, and the lifting mechanism 15 is a lifting support table.
The material pushing slide rail 14 is a double-layer slide rail, the material pushing slide rail 14 includes a lifting rail 141 and a material pushing rail 142, the lifting rail 141 is disposed above the material pushing rail 142, the material pushing rail 142 and the lifting rail 141 have the same length, one end of the material pushing rail 142 is provided with a baffle, the other end of the material pushing rail 142 is not provided with a baffle, the lifting rail 141 moves horizontally on the material pushing rail 142, and the lifting mechanism 15 disposed on the lifting rail 141 also moves along with the lifting rail.
The lifting mechanism 15 comprises a lifting slider 151, a lifting motor 152, a lifting supporting rod 153 and an arc supporting plate 154, wherein the lifting motor 152 is fixed on the lifting slider 151, the lifting supporting rod 153 is fixed on the lifting motor 152, a convex block is arranged on the arc supporting plate 154, the lifting slider 151 is fixed on the lifting track 141, in a normal state, the movable plate 12 moves to the upper side of the lifting mechanism 15, when the torsion bar is produced, the smooth movement is until the smooth movement is blocked by the side plate 134, then the movable plate 12 moves to the other side, the lifting mechanism 15 is lifted to lift the lifting mechanism to realize preliminary material conveying, when the torsion bar is lifted by the lifting mechanism 15, due to the limit of the side plate 134, the convex block can be clamped into an assembly groove on the torsion bar spline, and the stability is further enhanced.
When the lifting mechanism 15 moves to the farthest end, the limiting table 43 obliquely arranged on the transition slope plate 2 can obtain an overlapped included angle, the torsion bars are clamped by moving towards two ends of the torsion bars from two sides, then the lifting mechanism 15 descends, the limiting table 43 moves towards the material pushing table 1, the lifting track 141 also moves towards the material pushing table 1, the sliding rail is contracted, the limiting table 43 can drive the torsion bars to slide downwards, and transfer transportation from the material pushing table 1 to the quenching tank 3 is achieved.
With reference to fig. 5-10, a limiting slide rail 21 is arranged on the transition slope plate 2, the limiting device 4 is embedded on the limiting slide rail 21, the limiting slide rail 21 is an electrically controlled slide rail and provides further power support for the limiting device 4, drive grooves 22 are arranged on two sides of the surface of the transition slope plate 2, a drive shaft 221 and a driven shaft are arranged in the drive grooves 22, the drive shaft 221 passes through the side wall of the drive groove 22 and is connected with a drive motor 222, the drive motor 222 drives the drive shaft 221 to rotate, the drive motor 222 is fixed on the side wall of the transition slope plate 2 through a motor support, and the drive shaft 221 is connected with the driven shaft through a transmission belt 223;
the limiting device 4 is fixedly connected with the transmission belt 223 through a belt clamping plate, a limiting base plate 41 is arranged on the limiting device 4, limiting sliding tables 42 which are identical in structure and symmetrically arranged at two ends are arranged on the limiting base plate 41, four corners of the limiting base plate 41 are fixed on the limiting device 4 through screws, two real sides of the limiting device 4 are clamped with the transmission belt 223 through metal plates, then the metal plates are fixed on the side faces of the limiting device 4, the belt 223 is used for assisting the movement of the limiting device, and the influence of high-load workload on the use of the sliding rail is reduced;
the limiting sliding table 42 comprises a sliding table driving plate 421, a sliding table baffle plate 422, a sliding table screw rod 423 and a guide pillar 424, a sliding table motor 425 is arranged on one side of the sliding table driving plate 421, two ends of the guide pillar 424 and the sliding table screw rod 423 are respectively connected with opposite surfaces of the sliding table driving plate 421 and the sliding table baffle plate 422, a through hole is formed in the sliding table driving plate 421, the sliding table screw rod 423 penetrates through the through hole to be connected with the sliding table motor 425, a limiting sliding block 426 is arranged on the limiting sliding table 42, the sliding table screw rod 423 and the guide pillar 424 penetrate through the limiting sliding block 426, a limiting table 43 is arranged on the top surface of the limiting sliding block 426, the sliding table motor 425 drives the screw rod, and the limiting sliding block 426 is controlled to reciprocate on the screw rod by the sliding table motor 425;
referring to fig. 7-9, a motor fixing plate 431 is disposed on a top surface of the limiting table 43, an ejector pin mechanism 44 is disposed on the motor fixing plate 431, two ends of the torsion bar are clamped and clamped by the ejector pin mechanism 44, a feeding cylinder 431 and a lifting cylinder 432 are disposed on one side of the limiting table 43, the feeding cylinder 431 is provided with a feeding cylinder rod 4311, a horizontal included angle between the two cylinders is 90 degrees, the lifting cylinder 432 is provided with a lifting cylinder rod 4321, a lifting sleeve 433 is disposed on an outer side of the feeding cylinder rod 4311, the lifting cylinder rod 4321 is connected with the lifting sleeve 433, one end of the feeding cylinder rod 4311 is provided with a translation working plate 4312, the translation working plate 4312 is provided with a translation groove 43121, a translation screw rod 43122 is disposed in the translation groove 43121, a translation plate 43123 is disposed on the translation screw rod 43122, a clamping jaw is fixed on the translation plate 43123, the translation screw rod 43122 is driven by a motor, one side of the clamping jaw is fixedly connected with the translation plate 43123, the translation plate 43123 is driven by the clamping jaw, the spline sleeve 443 can be close to the ejector pin mechanism 44, so that the spline sleeve 443 can be assembled, the motor base is arranged on the side of the translation working plate 4312, the motor is fixed on the side surface of the translation working plate 4312 through the motor base, then the translation plate 43123 is controlled by the motor to move, so that the clamping jaws can translate, when the rotating shaft ejector pin 442 rotates, the groove on one side of the spline sleeve 443 on the clamping jaws is assembled by inserting the arc-shaped insertion block 4423 on the rotating shaft 4422 into the groove on the bottom surface of the spline sleeve 443, and the bottom surface of the spline sleeve 443 is provided with a through hole through which the ejector pin 4421 can pass.
The thimble mechanism 44 comprises a shaft seat 441, a rotating shaft thimble 442 is arranged in the shaft seat 441, one end of the rotating shaft thimble 442 is connected with a rotating device 444, the rotating shaft thimble 442 comprises a needle 4421 and a rotating shaft 4422, the diameter of the needle 4421 is smaller than that of the rotating shaft 4422 and is fixed at one end of the rotating shaft 4422 which is not connected with the rotating device 444, one end of the rotating shaft 4422 provided with the needle 4421 is provided with an arc-shaped insert 4423, the arc-shaped insert 4423 is provided with a spline sleeve 443, the spline sleeve 443 is an annular sleeve comprising a barrel body and a barrel bottom, the barrel bottom of the spline sleeve 443 is provided with a groove and a thimble hole, the surface of the arc-shaped insert 4423 is attached to the groove surface of the groove, the needle 4421 passes through the thimble hole and is arranged at the inner side of the spline sleeve 443, the inner side of the barrel body of the spline sleeve 443 is provided with a spline tooth fixture block 4431 and a blind tooth 4432, the blind tooth fixture block 4432 is driven by the rotating shaft 442 and rotates, the spline sleeve 443 is partially fitted over the spline side when angularly engaging with the splines at both ends of the torsion bar.
A feeding slide rail 4313 is arranged on one side of the limiting table 43, a feeding slide block is arranged on the feeding slide rail 4313, the feeding cylinder 431 is fixedly connected with the feeding slide block, the upper end of the feeding slide rail 4313 is higher than the top surface of the limiting table 43, so that the feeding cylinder 431 can move upwards, the center of a circle of the spline sleeve 443 is coaxial with the axis of the rotating shaft thimble 442, and the aperture of a thimble hole on the bottom surface of the spline sleeve 443 is larger than that of the needle 4421.
Two sides of the transition slope plate 2 are provided with a feeding mechanism 5, the feeding mechanism 5 comprises a feeding plate 51, one side of the feeding plate 51 is provided with a spline sleeve conveying belt 52, the feeding plate 51 is provided with a feeding electric rail, the feeding electric rail is provided with a feeding clamping plate 53, the feeding clamping plate 53 is provided with a clamping jaw, the conveying belt 52 is provided with a swinging spline sleeve 443, the feeding clamping plate 53 works in a reciprocating manner to clamp and lift the spline sleeve 443, and a mechanism on the limiting table 43 can clamp the spline sleeve 443.
According to the rotating device 444 shown in fig. 7, the rotating shaft provided on the side surface of the limiting table 43 is connected to the rotating shaft thimble 442 through the rotating shaft, and in the actual arrangement, the rotating shaft provided on the side surface of the limiting table 43 in the figure can be removed for direct connection, and compared with the rotating device 444 directly connected to the rotating shaft thimble 442, the rotating shaft provided on the side surface of the limiting table 43 is used for transferring, and a chain is provided to connect the rotating device 444 and the rotating shaft thimble 442, so that the transmission ratio can be improved.
Referring to fig. 1, 12 and 13, two positioning and conveying devices 6 are disposed on two sides of the top surface of the quenching bath 3, each positioning and conveying device 6 includes a positioning slide rail 61, two positioning slide rails 61 are disposed on the top surface of the quenching bath 3, each positioning slide rail 62, a positioning rod 63 and a gripping device 64, each gripping device 64 includes a gripping cylinder and a gripping jaw, each gripping cylinder is connected to each gripping jaw through a cylinder rod, a fixing seat is disposed at the bottom of each positioning rod 63, a metal block is disposed at the top of each positioning rod 63, an electromagnetic valve is disposed at one end of each positioning slide rail 61, each positioning slide rail 62 is a metal slide block, each gripping jaw on each positioning and conveying device 6 grips the spline sleeve 443, half of the spline sleeve 443 is gripped by the other half of the gripping jaws on the positioning and conveying device 6 through the linkage mechanism above the spline sleeve 443, and in the process of movement of each positioning slide rail 62, the gripping jaws and the torsion bars 63 at the top ends can accurately position the gripping jaws and the torsion bars, matching with the subsequent working progress of the device.
The top surface of the sinking hanger plate 7 is provided with a hanger rod 71, the sinking hanger plate 7 is fixed with a wall body through the hanger rod 71, two sides of the bottom surface of the sinking hanger plate 7 are provided with positioning clamping grooves 72, rails with the same structure are arranged between the positioning clamping grooves 72 at equal intervals, two sinking clamping jaws 73 are arranged on the rails, the sinking clamping jaws 73 are fixed on a hydraulic lifter, the top end of a positioning rod 63 is inserted into the positioning clamping grooves 72, the side walls of the positioning clamping grooves 72 are provided with induction valves at equal intervals, the induction valves control a rail circuit, the positioning rod 63 passes through a plurality of inductive elements in the moving process, when the gear stage stops, the sinking clamping jaws 73 corresponding to the inductors start to operate, one end of each positioning clamping groove 72 is provided with a contact sensor, and after a single chip receives a plurality of signals, a batch of torsion bars are confirmed to be placed and finished, and the work stops.
The side wall of the quenching bath 3 is provided with two opposite clamping blocks with the same structure, the clamping blocks are provided with grooves with semicircular sections, and the torsion bars are directly placed on the clamping blocks, so that the stability is improved, and the distance between the torsion bars can be fully controlled.
The working principle is as follows: all the slide rails and the slide blocks in the scheme are electrically driven slide rails, the clamping jaws are conventional electric clamping jaws, the cooperation type parallel electric jaws and the pneumatic clamping jaws are taken as main parts, the arrangement structure is installed in a conventional mode, firstly, the torsion bar discharged from a discharge port of a quenching machine is limited at a material pushing platform 1 and is transported to one end, the movement distance of the torsion bar is further extended by the double-layer slide rails, when the torsion bar is driven to a certain distance by the slide blocks, a limiting device 4 obtains a proper included angle, the torsion bar is fixed by an ejector pin mechanism 44, then, a lifting mechanism 15 is driven by an air cylinder to descend and returns to the material pushing platform 1 through a bottom slide block, the upper layer of the upper double-layer slide rails, namely a lifting rail 141, also moves to the material pushing platform 1, then, the torsion bar is transversely and horizontally moved by the limiting device 4 to be close to a quenching pool 3, and after reaching a designated place, the positioning and conveying device 6 moves to the limiting device 4, the clamping jaw is pushed out by being close to the rear cylinder, the clamping jaw clamps the spline sleeve 443, the spline sleeve 443 is mainly made of ceramic, half of the spline sleeve 443 is reserved on the outer side, the clamping jaw 73 to be sunk clamps the spline sleeve and sinks, the positioning slide block 62 is a rectangular plate body and moves on the positioning slide rail 61, one side of the positioning slide block 62 is arranged on the positioning slide rail 61, the other side of the positioning slide block is suspended above the quenching tank 3, the grabbing device 64 is arranged at the position, and after the torsion bar is grabbed, the cylinder rod and the clamping jaw both extend to the outer side of the positioning slide block 62, so that the torsion bar falls conveniently.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a hang that torsion bar quenches process prevents pressing from both sides and hold deformation transfer device, includes the quenching machine, quenching machine one side is equipped with the discharge gate, the discharge gate material returned withdraws from the torsion bar, the torsion bar both ends are equipped with the spline, blind tooth has been seted up to the spline, the spline is equipped with assembly groove, its characterized in that: discharge gate one side is equipped with and pushes away material platform (1), it pushes away material slide rail (14) to be equipped with on material platform (1), it lifts mechanism (15) to be equipped with on pushing away material slide rail (14), one side of pushing away material platform (1) is equipped with transition ramp (2), be equipped with stop device (4) on transition ramp (2), the both sides of transition ramp (2) are equipped with feed mechanism (5), the one end of transition ramp (2) is equipped with it is equipped with to push away material platform (1) other end quenching bath (3), the top surface of quenching bath (3) is equipped with location conveyor (6), the top of quenching bath (3) is equipped with down and sinks hanger plate (7).
2. The anti-clamping deformation transfer device for the suspension torsion bar quenching process according to claim 1, wherein: the material pushing table (1) is provided with support legs, the top surface of the material pushing table (1) is provided with a hollow part, movable plate grooves (11) are formed in two sides of the hollow part, a movable plate (12) is arranged in each movable plate groove (11), and the top surface of each movable plate (12) is horizontal to the top surface of the material pushing table (1);
a torsion bar baffle (13) is arranged on the top surface of the material pushing table (1), the torsion bar baffle (13) is divided into a main baffle (131), a limiting plate (132), an auxiliary baffle (133) and a side plate (134), the included angles of the main baffle (131), the limiting plate (132) and the auxiliary baffle (133) and the discharge side of the quenching machine are 90 degrees, and the included angle of the side plate (134) and the main baffle (131) is 90 degrees;
the material pushing platform (1) is provided with a cavity, two ends of the cavity are communicated, the clamping cavity is internally provided with a material pushing slide rail (14), and the lifting mechanism (15) is a lifting support platform.
3. The anti-clamping deformation transfer device for the suspension torsion bar quenching process according to claim 2, wherein: the material pushing slide rail (14) is a double-layer slide rail, the material pushing slide rail (14) comprises a lifting rail (141) and a material pushing rail (142), the lifting rail (141) is arranged above the material pushing rail (142), and the material pushing rail (142) is as long as the lifting rail (141).
4. The anti-pinch deformation transfer device for the suspension torsion bar quenching process according to claim 3, characterized in that: lift mechanism (15) including lifting slider (151), lifting motor (152), lift die-pin (153) and arc layer board (154), lifting motor (152) are fixed in lift slider (151) is last, lift die-pin (153) are fixed in lift motor (152) is last, be equipped with the lug on arc layer board (154), it is fixed in to lift slider (151) lift on the track (141).
5. The anti-clamping deformation transfer device for the suspension torsion bar quenching process according to claim 1, wherein: the transition slope plate (2) is provided with a limiting slide rail (21), the limiting device (4) is embedded on the limiting slide rail (21), two sides of the surface of the transition slope plate (2) are provided with driving grooves (22), a driving shaft (221) and a driven shaft are arranged in the driving grooves (22), the driving shaft (221) penetrates through the side wall of the driving grooves (22) and is connected with a driving motor (222), the driving motor (222) is fixed on the side wall of the transition slope plate (2) through a motor support, and the driving shaft (221) is connected with the driven shaft through a transmission belt (223);
the limiting device (4) is fixedly connected with the transmission belt (223) through a belt clamping plate, a limiting base plate (41) is arranged on the limiting device (4), and limiting sliding tables (42) which are identical in structure and symmetrically arranged at two ends are arranged on the limiting base plate (41);
the limiting sliding table (42) comprises a sliding table driving plate (421), a sliding table baffle plate (422), a sliding table screw rod (423) and a guide pillar (424), a sliding table motor (425) is arranged on one side of the sliding table driving plate (421), the two ends of the guide pillar (424) and the sliding table screw rod (423) are respectively connected with the opposite surfaces of the sliding table driving plate (421) and the sliding table baffle plate (422), a through hole is formed in the sliding table driving plate (421), the sliding table screw rod (423) penetrates through the through hole to be connected with the sliding table motor (425), a limiting sliding block (426) is arranged on the limiting sliding table (42), the sliding table screw rod (423) and the guide pillar (424) penetrate through the limiting sliding block (426), and a limiting table (43) is arranged on the top surface of the limiting sliding block (426);
a motor fixing plate (431) is arranged on the top surface of the limiting table (43), a thimble mechanism (44) is arranged on the motor fixing plate (431), a feeding cylinder (431) and a lifting cylinder (432) are arranged on one side of the limiting table (43), the feeding cylinder (431) is provided with a feeding cylinder rod (4311), the lifting cylinder (432) is provided with a lifting cylinder rod (4321), the outer side of the feeding cylinder rod (4311) is provided with a lifting sleeve (433), the lifting cylinder rod (4321) is connected with the lifting sleeve (433), one end of the feeding cylinder rod (4311) is provided with a translation working plate (4312), the translation working plate (4312) is provided with a translation groove (43121), the clamping device is characterized in that a translation screw rod (43122) is arranged in the translation groove (43121), a translation plate (43123) is arranged on the translation screw rod (43122), and clamping jaws are fixed on the translation plate (43123).
6. The anti-pinch deformation transfer device for the suspension torsion bar quenching process according to claim 5, wherein the anti-pinch deformation transfer device comprises: the thimble mechanism (44) comprises a shaft seat (441), a rotating shaft thimble (442) is arranged in the shaft seat (441), one end of the rotating shaft thimble (442) is connected with a rotating device (444), the rotating shaft thimble (442) comprises a needle head (4421) and a rotating shaft (4422), the diameter of the needle head (4421) is smaller than that of the rotating shaft (4422) and is fixed at one end of the rotating shaft (4422) which is not connected with the rotating device (444), an arc-shaped inserting block (4423) is arranged at one end of the rotating shaft (4422) where the needle head (4421) is arranged, and a spline sleeve (443) is arranged on the arc-shaped inserting block (4423);
the spline sleeve (443) is an annular sleeve and comprises a cylinder body and a cylinder bottom, a groove and a thimble hole are formed in the cylinder bottom of the spline sleeve (443), the surface of the arc-shaped insert block (4423) is attached to the groove surface of the groove, the needle (4421) penetrates through the thimble hole and is arranged on the inner side of the spline sleeve (443), and spline teeth (4431) and blind tooth fixture blocks (4432) are arranged on the inner side of the cylinder body of the spline sleeve (443).
7. The anti-clamping deformation transfer device for the suspension torsion bar quenching process according to claim 6, wherein: spacing platform (43) one side is equipped with pay-off slide rail (4313), be equipped with the pay-off slider on pay-off slide rail (4313), pay-off cylinder (431) with pay-off slider fixed connection, the upper end of pay-off slide rail (4313) is higher than the top surface of spacing platform (43), the both sides of transition ramp plate (2) are equipped with feed mechanism (5), feed mechanism (5) include material loading board (51), material loading board (51) one side is equipped with spline housing conveyer belt (52), be equipped with the material loading electric rail on material loading board (51), be equipped with material loading splint (53) on the material loading electric rail, be equipped with the clamping jaw on material loading splint (53).
8. The anti-pinch deformation transfer device for the suspension torsion bar quenching process according to claim 1, characterized in that: the quenching device is characterized in that the positioning and conveying devices (6) are arranged on two sides of the top surface of the quenching tank (3), each positioning and conveying device (6) comprises a positioning slide rail (61), a positioning slide block (62), a positioning rod (63) and a gripping device (64), each gripping device (64) comprises a gripping cylinder and a clamping jaw, the gripping cylinders are connected with the clamping jaws through cylinder rods, a fixing seat is arranged at the bottom of each positioning rod (63), a metal block is arranged at the top of each positioning rod (63), an electromagnetic valve is arranged at one end of each positioning slide rail (61), each positioning slide block (62) is a metal slide block, two opposite clamping blocks with the same structure are arranged on the side wall of the quenching tank (3), and each clamping block is provided with a groove with a semicircular cross section.
9. The anti-pinch deformation transfer device for the suspension torsion bar quenching process according to claim 8, wherein the anti-pinch deformation transfer device comprises: the top surface of hanging board (7) that sinks is equipped with jib (71), it passes through to sink hanging board (7) jib (71) and wall body fixed, the bottom surface both sides of hanging board (7) that sink are equipped with positioning groove (72), equidistant track that is equipped with the same structure between positioning groove (72), all be equipped with two clamping jaw (73) that sink on the track, on clamping jaw (73) are fixed in the hydraulic pressure riser down, the top of locating lever (63) is inserted and is located in positioning groove (72), the equidistant induction valve that is equipped with of lateral wall of positioning groove (72), the induction valve control track circuit.
10. The anti-pinch deformation transfer device for the suspension torsion bar quenching process according to any one of claims 1 to 9, which is used by the method comprising the following steps:
s1, a torsion bar waiting for the high temperature of the surface is output from a quenching machine and slides to the material pushing table (1), whether a lifting mechanism (15) on the material pushing table (1) operates or not is judged, and the discharging speed of the quenching machine is adjusted according to the operating speed of the lifting mechanism (15);
s2, lifting and transferring a torsion bar by the lifting mechanism (15) and the material pushing slide rail (14), moving to one side until the material pushing slide rail (14) is partially suspended, then starting the transition slope plate (2), enabling the limiting device (4) to obtain an included angle on the transition slope plate (2) and clamp the torsion bar on the lifting mechanism (15), controlling the material pushing slide rail (14) to move to the material pushing table (1), and enabling the limiting device (4) to move to the other side;
s3, controlling the limiting device (4) to move to one side close to the quenching bath (3), starting the positioning and conveying device (6) on the quenching bath (3), and grabbing the torsion bar together with the spline sleeve (443) by using the grabbing device (64) so that the torsion bar transversely moves above the quenching bath (3);
s4, controlling the sinking clamping jaw (73) on the sinking hanging plate (7), pushing the torsion bar to the position of the quenching bath (3) below, and observing whether the torsion bar moves above the clamping block on the side wall of the quenching bath (3);
and S5, when the fixture blocks in the quenching tank (3) are provided with the torsion bar rod bodies, stopping the device and waiting for the torsion bars to cool.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210615388.0A CN114990297B (en) | 2022-06-01 | 2022-06-01 | Anti-clamping deformation transfer device for suspension torsion bar quenching process and use method |
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| CN202210615388.0A CN114990297B (en) | 2022-06-01 | 2022-06-01 | Anti-clamping deformation transfer device for suspension torsion bar quenching process and use method |
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| JPH062035A (en) * | 1992-06-17 | 1994-01-11 | O S G Kk | Metallic member to be applied torsional stress |
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| CN103667661A (en) * | 2013-11-29 | 2014-03-26 | 第一拖拉机股份有限公司 | Inductive heat treatment method of low-speed large-torque drive axle |
| JP2014201776A (en) * | 2013-04-02 | 2014-10-27 | 株式会社東海理化電機製作所 | Torsion bar and webbing winder |
| CN106282520A (en) * | 2016-08-03 | 2017-01-04 | 浙江玛斯特汽配有限公司 | A kind of torsion-bar spring thermomechanical treatment process |
| CN109022741A (en) * | 2018-10-30 | 2018-12-18 | 湖北三江航天万山特种车辆有限公司 | A kind of torsion bar quenching hanger device |
| CN111270053A (en) * | 2020-03-30 | 2020-06-12 | 上海精智实业股份有限公司 | Quenching system and quenching method |
| CN215856224U (en) * | 2021-03-23 | 2022-02-18 | 江苏凯骏机械有限公司 | High-safety automobile torsion bar quenching bath |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062035A (en) * | 1992-06-17 | 1994-01-11 | O S G Kk | Metallic member to be applied torsional stress |
| CN103060535A (en) * | 2013-01-21 | 2013-04-24 | 江苏省宿迁市方圆机械有限公司 | Automobile torsion rod spring rolling straightening quenching equipment |
| JP2014201776A (en) * | 2013-04-02 | 2014-10-27 | 株式会社東海理化電機製作所 | Torsion bar and webbing winder |
| CN103667661A (en) * | 2013-11-29 | 2014-03-26 | 第一拖拉机股份有限公司 | Inductive heat treatment method of low-speed large-torque drive axle |
| CN106282520A (en) * | 2016-08-03 | 2017-01-04 | 浙江玛斯特汽配有限公司 | A kind of torsion-bar spring thermomechanical treatment process |
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| CN111270053A (en) * | 2020-03-30 | 2020-06-12 | 上海精智实业股份有限公司 | Quenching system and quenching method |
| CN215856224U (en) * | 2021-03-23 | 2022-02-18 | 江苏凯骏机械有限公司 | High-safety automobile torsion bar quenching bath |
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| CN114990297B (en) | 2023-10-31 |
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