CN112301198A

CN112301198A - Automatic quenching device for automobile plate spring

Info

Publication number: CN112301198A
Application number: CN202011330024.5A
Authority: CN
Inventors: 荣敦升; 孙虎; 王焕中; 鲁之彬; 赵春红; 齐玉山
Original assignee: Zibo Development Zone Zhongyuan Automatic Equipment Co ltd
Current assignee: Zibo Development Zone Zhongyuan Automatic Equipment Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-02-02

Abstract

The invention relates to an automatic quenching device for automobile plate springs, which comprises a quenching oil pool, wherein a full-automatic frame type swinging lifting quenching machine is arranged at the top of the quenching oil pool, a quenching furnace and a tempering furnace are respectively arranged at two ends of the quenching oil pool, an oil draining conveying device and a thermal straightening machine are arranged at one side of the quenching oil pool, a first robot for conveying the plate springs from the quenching furnace to the thermal straightening machine is arranged at the discharge end of the quenching furnace, a second robot for conveying the plate springs from the thermal straightening machine to the full-automatic frame type swinging lifting quenching machine and then conveying the plate springs to the oil draining conveying device after the plate springs are quenched is arranged at one end of the oil draining conveying device, and a third robot for conveying the plate springs from the oil draining conveying device to the tempering furnace is arranged at the other end of the oil draining conveying device. The robot is adopted for feeding and discharging, so that the labor intensity is greatly reduced, the yield is improved, the positioning precision can be ensured, and the product quality is improved.

Description

Automatic quenching device for automobile plate spring

Technical Field

The invention relates to an automatic quenching device for an automobile plate spring, and belongs to the technical field of plate spring rolling mills.

Background

The automobile plate spring needs to be quenched in the production process, at present, the plate spring is quenched in a quenching furnace, then the plate spring is placed on a quenching machine after being heated in the quenching furnace, the plate spring is placed in a quenching oil bath from the quenching machine for quenching, and the plate spring is taken out after being quenched and then placed in a tempering furnace for tempering. However, the traditional plate spring quenching line has large occupied area of equipment, large quantity of equipment, more operating workers and great labor intensity, and is not convenient for realizing automatic production.

Disclosure of Invention

The invention provides an automatic quenching device for an automobile plate spring, which solves the problems of large occupied area of equipment, large quantity of equipment, more operating workers, high labor intensity and inconvenience in automation of the conventional plate spring quenching line.

The invention relates to an automatic quenching device for automobile plate springs, which comprises a quenching oil tank, wherein a full-automatic frame type swinging lifting quenching machine is arranged at the top of the quenching oil tank, a quenching furnace and a tempering furnace are respectively arranged at two ends of the quenching oil tank, an oil leaching conveying device and a thermal straightening machine are arranged at one side of the quenching oil tank, a first robot for conveying the plate springs from the quenching furnace to the thermal straightening machine is arranged at the discharge end of the quenching furnace, a second robot for conveying the plate springs from the thermal straightening machine to the full-automatic frame type swinging lifting quenching machine and then conveying the plate springs to the oil leaching conveying device after the plate springs are quenched is arranged at one end of the oil leaching conveying device, and a third robot for conveying the plate springs from the oil leaching conveying device to the tempering furnace is arranged at the other end

The full-automatic frame type swinging lifting quenching machine comprises a bottom frame and a clamping tooth mounting frame, wherein a support is fixed on the bottom frame, a clamping tooth assembly is arranged on the clamping tooth mounting frame, a sliding supporting block capable of sliding up and down is arranged on the support, the sliding supporting block is connected with a lifting device, two sides of the clamping tooth mounting frame are rotatably arranged on the sliding supporting block through supporting shafts, and a swinging driving device capable of adjusting the front position and the rear position is arranged on the rear side of the clamping tooth mounting frame. The gear clamping mounting frame, the swing driving device and the lifting device are provided with two sets, the lifting devices in the two sets of devices are lifted synchronously, the swing driving devices of the two sets of devices are asynchronous, and the situation that oil is splashed out due to the fact that large oil surface ripples are generated synchronously can be prevented.

The lifting device comprises a lifting oil cylinder installed on a support, the end of a piston rod of the lifting oil cylinder is connected with a chain, a winding shaft is rotatably installed at the top of the support, a chain wheel is fixedly installed on the winding shaft, and the other end of the chain bypasses the chain wheel to be connected with a sliding supporting block. The chain can be pulled through the lifting oil cylinder, so that the sliding supporting block is driven to lift, and the clamping tooth assembly is driven to lift.

The swing driving device comprises a first guide sliding rail vertically fixed on the rear side of the clamping tooth mounting frame, a guide roller capable of sliding up and down is arranged in the first guide sliding rail, U-shaped sliding grooves are formed in two sides of the first guide sliding rail, the guide roller can roll up and down in the sliding grooves, the guide roller cannot move front and back and left and right, when the lifting device drives the clamping tooth mounting frame to lift up and down, the guide roller moves up and down in the sliding grooves, a connecting seat is arranged on the rear side of the lower end of the first guide sliding rail, the front end of the connecting seat is U-shaped, the guide rollers on two sides are rotatably installed on the connecting seat, a rocker is hinged at the rear end of the connecting seat, an eccentric wheel is hinged at the rear end of the rocker, a swing driving motor is connected with the eccentric wheel, a supporting plate is installed at the lower end of the, the piston rod end of the first adjusting oil cylinder is hinged with the supporting plate, the position of the supporting plate can be adjusted by utilizing the extension and retraction of the first adjusting oil cylinder, and the first adjusting oil cylinder has the function of extending out when used for taking materials; the purpose is convenient for robot blowing.

The connecting seat of rocker both sides is fixed with the direction telescopic link, and direction telescopic link rear end is fixed in the backup pad, and the rocker sways more stably, sways driving motor and is connected with the reduction gear, and the output shaft eccentric wheel of reduction gear, the switching-over installation is more convenient.

The lower extreme inboard of slip supporting shoe is fixed with supports the cover, and the back shaft rotates to be installed in supporting the cover, is equipped with on the support to supply the gliding spout of slip supporting shoe from top to bottom, and the spout is the U type, and the spout cooperation of front and back both sides holds the slip supporting shoe, is equipped with the lift gyro wheel in the spout, and the lift gyro wheel rotates to be installed in the front and back both sides of slip supporting shoe. Through the lifting guide support of the lifting roller, the lifting can be more stable.

The inboard rotation of slip supporting shoe installs the auxiliary stay wheel, can be so that go up and down more stable, the inner front and back lateral wall of spout is hugged closely to the auxiliary stay wheel, the outside of rolling axle is equipped with the protection casing, the top at the support is fixed to the protection casing, the protection casing is protected sprocket and chain, and prevent to expose, reduce the dust influence, the upper portion and the lower part of spout all are equipped with position sensor, position sensor is connected with the PLC controller, the lifting cylinder is connected to the PLC controller, sway driving motor and adjusting cylinder one, can rise and fall and sway by automatic control. The clamping oil cylinder is connected with the electromagnetic valve, and the PLC controls the electromagnetic valve.

Press from both sides tooth assembly including articulating the tight hydro-cylinder of clamp on double-layered tooth mounting bracket front end upper portion, the lower extreme that presss from both sides tight hydro-cylinder articulates there is the clamp plate that can reciprocate, the lower extreme of clamp plate and double-layered tooth mounting bracket lower extreme all are equipped with a plurality of relative double-layered teeth that set to the arc range, be equipped with the regulation hole of bar on the double-layered tooth, be equipped with fixing bolt in the regulation hole, a plurality of locating pieces in the double-layered tooth outside, the rear side of every locating piece is equipped with a plurality of positioning bolt, the last lock nut that is equipped with of positioning bolt, be equipped with fastening. In the forming process of the plate spring, the upper clamping teeth and the lower clamping teeth are always in a locking and positioning state, so that the stability and the precision requirement of the arc height of the plate spring are improved. The mode readjustment caused by unstable arc height is reduced, and the production efficiency is improved. The assembly precision of the plate spring is ensured, and the product quality is improved. The upper and lower positioning blocks are fixed at the front ends and the rear ends, so that the looseness is effectively prevented. The clamping oil cylinder is connected with a PLC controller.

The rear side of each positioning block is provided with a positioning key, the rear end of each positioning block is provided with a downward flanging, the flanging is provided with a threaded hole matched with the positioning bolt, the rear end of each positioning block is provided with a first mounting hole for the fixing bolt to pass through, the front end of each positioning block is provided with a second mounting hole for the fixing bolt to pass through, and the rear end of each clamping tooth is provided with a positioning plane.

The rear side of the clamping plate is fixed with a plurality of guide sleeves, guide rods are arranged in inner holes of the guide sleeves, and two ends of each guide rod are fixed on the clamping tooth mounting rack. The clamping plate is more stable to lift.

And the four corners of the bottom frame are fixedly provided with connecting plates which are fixedly arranged at the top of the quenching oil pool.

The hot straightening machine comprises a straightening rack, a fixed clamp plate is fixed at the top of the straightening rack, a plurality of straightening supporting plates fixed on the straightening rack are arranged below the fixed clamp plate, a movable frame is arranged on the straightening rack in a sliding mode, a straightening oil cylinder is hinged to the rear end of the movable frame, the lower end of the straightening oil cylinder is fixed to the straightening rack, a movable clamp plate parallel to the fixed clamp plate is fixed to the inner end of the movable frame, a length positioning oil cylinder is fixed to the straightening rack, a length positioning plate is connected to the end of a piston rod of the length positioning oil cylinder, and the length positioning plate is located above the fixed clamp. The length positioning device is arranged, so that the straightening is more accurate. The length positioning oil cylinder can be replaced by a servo motor, and the servo motor drives the screw nut pair to move so as to drive the length positioning plate to move.

A guide sliding rod parallel to the fixed clamping plate is fixed on the straightening frame, a sliding positioning seat is arranged on the guide sliding rod and fixed with the length positioning plate, and the sliding positioning seat is hinged with a piston rod of the length positioning oil cylinder; an intermediate partition plate is arranged between the movable clamp plate and the fixed clamp plate, a connecting frame is fixed at the rear end of the intermediate partition plate, two sections of the connecting frame are fixed with adjusting sliding sleeves, adjusting guide rods fixed on the straightening rack are arranged in the adjusting sliding sleeves, the bottom of each adjusting sliding sleeve is hinged with an adjusting oil cylinder II, the rear end of each adjusting oil cylinder II is hinged on the straightening rack, and a protection plate fixed on the straightening rack is arranged on the outer side of each adjusting oil cylinder II; two pressing plates are arranged above the fixed clamping plate and the movable clamping plate, a lifting supporting plate is fixed at the bottom of one end of each pressing plate, a lifting pressing oil cylinder is fixed at the bottom of each lifting supporting plate, and the lifting pressing oil cylinder is fixed on the straightening rack; the bottoms of the two ends of the lifting support plate are fixed with lifting guide rods, lifting guide sleeves are sleeved on the lifting guide rods, and the lifting guide sleeves are fixed on the straightening rack; a guide sliding block is fixed at the bottom of the movable frame, and a guide sliding rail II matched with the guide sliding block is fixed on the straightening machine frame. The double-plate straightening machine has the function of straightening double plates and a single leaf spring, and the double-plate hot straightening machine is positioned between the quenching machine and the quenching furnace and mainly used for straightening long plates after quenching and heating. The plate spring is heated by a quenching furnace and then sent to a double-plate thermal straightening machine through a robot. The first, second and third robots are MS 165. The top can be pressed through the pressing plate during the alignment, and the alignment effect is better.

The oil draining conveying device comprises an oil draining frame, an oil receiving groove is fixed at the top of the oil draining frame, a supporting leg is fixed in the middle of the oil receiving groove, two oil draining plates which are obliquely arranged in parallel are fixed at the top of the supporting leg, oil draining chain wheels are rotatably installed at two ends of each oil draining plate, a transmission shaft is rotatably installed on each supporting leg, transmission chain wheels connected with the oil draining chain wheels through oil draining chains are fixed at two ends of the transmission shaft, and the transmission shaft is connected with an oil draining motor; the bottom of the middle of the two ends of the oil draining plate is provided with a travel switch, the travel switch is connected with a PLC (programmable logic controller), and the PLC is connected with an oil draining motor; a plurality of pairs of guide groove plates which are obliquely arranged in a high-outside and low-inside mode are fixed on two sides of the oil receiving groove, and oil receiving plates which can slide and stretch are inserted into the guide groove plates; a driven chain wheel is fixed in the middle of the transmission shaft, and a driving chain wheel connected with the driven chain wheel through a transmission chain is fixed on an output shaft of the oil draining motor; travel switch includes control clamp plate, control clamp plate's well lower part downside is fixed with changes the cover, change the cover internal rotation and install the supporting pin axle of fixing on the oil dropping board, control clamp plate's right-hand member upwards perk stretches into between two oil dropping boards and its top is in oil dropping chain top, control clamp plate's left end top is fixed with the balancing weight, control clamp plate's left end lower part is equipped with the photoelectric sensor of connecting the PLC controller, the photoelectric sensor right side is fixed with the spacing bolt of withstanding control clamp plate left end lower part, the higher one end top of oil dropping board is fixed with limit baffle. The oil draining conveying device is connected with the robot II and the robot III, and oil draining can be performed on the plate spring in the conveying process by inclining the oil draining plate.

The quenching oil pool is provided with an oxide skin cleaning device, the oxide skin cleaning device comprises a conveying groove arranged at the bottom of one side of the quenching oil pool, a spiral auger is arranged in the conveying groove, the bottom wall of the quenching oil pool at the inner side of the conveying groove is obliquely arranged, a collecting groove lower than the conveying groove is arranged in the quenching oil pool at the discharge end of the conveying groove, a collecting support is fixed at the top of the collecting groove, collecting rotating shafts are rotatably arranged on the collecting support and the side wall of the collecting groove respectively, collecting chain wheels are fixed on the collecting rotating shafts and connected through collecting chains, the collecting chains are annular, a plurality of collecting scraping plates are fixed on the outer sides of the collecting chains, oil dripping holes are formed in the collecting scraping plates, turning edges are arranged around the collecting scraping plates, and one collecting; the two ends of the quenching oil pool are provided with stirrers which are connected with a stirring motor; an oil pumping pipe is arranged in the quenching oil pool and is connected with an oil well pump; and a protective net is fixed at the top of the conveying groove. The spiral auger is connected with a conveying motor, and a material receiving groove is arranged below the upper end of the collecting support. The oxide skin in the quenching oil pool can be conveniently collected, and the oxide skin can be cleaned more conveniently and rapidly. Two quenching oil pools are arranged, each quenching oil pool is provided with a full-automatic frame type swing lifting quenching machine, a double-plate hot straightening machine is arranged at one end between the two quenching oil pools, and an oil draining conveying device is arranged at the right position on the central line between the two quenching oil pools. The second robot and the third robot are arranged at the central positions on the central line between the two quenching oil tanks.

The invention has the following beneficial effects:

the device has small occupied area, is convenient for oil fume collection and purification treatment, and greatly improves the production efficiency. The robot is adopted for feeding, so that the labor intensity is greatly reduced, the yield is improved, the positioning precision can be ensured, and the product quality is improved. Through full-automatic frame-type swing lift quenching machine can drive it and carry out reciprocating swing motion after the leaf spring soaks the quenching oil bath, the quenching effect is better to swing motion can mix the quenching oil and flow, and swing motion promotes the quenching effect, and the better transformation of leaf spring internal organization for quenching efficiency, swing actuating mechanism can adjust holistic front and back displacement as required in addition, and the range of swaying is better controlled.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic diagram of a front side three-dimensional structure of the full-automatic frame type swing lifting quenching machine;

FIG. 4 is a schematic diagram of a rear side three-dimensional structure of the full-automatic frame type swing lifting quenching machine;

FIG. 5 is a schematic diagram of a rear view structure of the full-automatic frame-type swing lifting quenching machine;

FIG. 6 is a schematic top view of the fully automatic frame-type swing lifting quenching machine;

FIG. 7 is an enlarged view of the structure at A in FIG. 3;

FIG. 8 is an enlarged view of the structure at B in FIG. 4;

FIG. 9 is an enlarged view of the structure at C in FIG. 4;

FIG. 10 is a schematic view of the clamp tooth assembly;

FIG. 11 is an enlarged view of the structure of FIG. 10 at D;

FIG. 12 is a schematic view of a positioning block;

FIG. 13 is an enlarged view of the structure of FIG. 6 at E;

fig. 14 is a schematic perspective view of a thermal straightener;

fig. 15 is a schematic front view of the thermal straightening machine;

fig. 16 is a rear view of the thermal straightener;

fig. 17 is a schematic top view of the thermal straightener;

FIG. 18 is a schematic perspective view of the oil draining and conveying device;

FIG. 19 is a schematic front view of the oil draining and conveying device;

FIG. 20 is a left side view schematically illustrating the structure of the oil draining and conveying device;

FIG. 21 is an enlarged view of the structure of FIG. 19 at F;

fig. 22 is a schematic perspective view of the scale removing apparatus;

fig. 23 is a schematic front view of the scale removing device;

fig. 24 is a schematic top view of the scale cleaning apparatus;

fig. 25 is a schematic right-view structural view of the scale removing device;

in the figure: 1. a full-automatic frame type swinging lifting quenching machine comprises 101, a support, 102, a protective cover, 103, a clamping oil cylinder, 104, a clamping tooth mounting frame, 105, a clamping plate, 106, a guide sleeve, 107, an auxiliary support wheel, 108, a support sleeve, 109, a guide telescopic rod, 110, a first adjusting oil cylinder, 111, a rocker, 112, a bottom frame, 113, a clamping tooth, 114, a sliding support block, 115, a fixing bolt, 116, a lifting roller, 117, a lifting oil cylinder, 118, a first guide sliding rail, 119, a guide roller, 120, a connecting seat, 121, a guide rail, 122, a support plate, 123, an eccentric wheel, 124, a swinging driving motor, 125, a speed reducer, 126, a guide rod, 127, a chain wheel, 128, a winding shaft, 129, an adjusting hole, 130, a positioning block, 131, a locking nut, 132, a positioning bolt, 133, a positioning key, 134, a fastening bolt, 135, a support shaft, 2, a thermal straightening machine, 201 and, 202. a sliding positioning seat 203, a length positioning plate 204, a guide sliding rod 205, an alignment oil cylinder 206, a movable clamping plate 207, a pressing plate 208, an alignment rack 209, an adjustment oil cylinder II 210, a movable frame 211, a guide sliding block 212, a guide sliding rail II 213, an adjustment guide rod 214, an adjustment sliding sleeve 215, a connecting frame 216, an alignment supporting plate 217, a fixed clamping plate 218, a middle partition plate 219, a protection plate 220, a lifting guide rod 221, a lifting pressing oil cylinder 222, a lifting supporting plate 3, a draining oil conveying device 301, a travel switch 302, a draining chain wheel 303, a draining plate 304, a draining chain 305, a transmission shaft 306, a transmission chain wheel 307, a driven chain wheel 308, a draining motor 309, a limit baffle 310, a supporting leg 311, an oil receiving groove 312, a draining rack 313, a driving chain wheel 314, a guide groove plate 315, an oil receiving plate, 316. the device comprises a control pressing plate, 317, a limiting bolt, 318, a balancing weight, 319, a photoelectric sensor, 320, a rotating sleeve, 321, a supporting pin shaft, 4, a quenching oil pool, 5, an oxide skin cleaning device, 501, a conveying motor, 502, a stirrer, 503, a collecting support, 504, a collecting driving motor, 505, a collecting rotating shaft, 506, a material receiving groove, 507, a collecting chain wheel, 508, a collecting groove, 509, a conveying groove, 510, a stirring motor, 511, a collecting scraper, 512, an oil pumping pipe, 513, a spiral auger, 514, a collecting chain, 515, a protective net, 6, a third robot, 7, a tempering furnace, 8, a second robot, 9, a first robot, 10, a protective wall, 11 and a quenching furnace.

Detailed Description

The present invention will be further described with reference to the following examples.

As shown in fig. 1 to 25, the automatic quenching device for the automobile plate spring comprises a quenching oil bath 4, a full-automatic frame type swing lifting quenching machine 1 is arranged at the top of the quenching oil bath 4, a quenching furnace 11 and a tempering furnace 7 are respectively arranged at two ends of the quenching oil bath 4, a draining conveying device 3 and a hot straightening machine 2 are arranged on one side of the quenching oil bath 4, a first robot 9 for conveying the plate spring from the quenching furnace 11 to the hot straightening machine 2 is arranged at the discharge end of the quenching furnace 11, a second robot 8 for conveying the plate spring from the hot straightening machine 2 to the full-automatic frame type swing lifting quenching machine 1 and then conveying the plate spring to the draining conveying device 3 after the plate spring is quenched is arranged at one end of the draining conveying device 3, and a third robot 6 for conveying the plate spring from the draining conveying device 3 to the tempering furnace 7 is arranged at the other end of the draining conveying device 3.

After the reed heating is discharged from the quenching furnace 11, the reed heating is grabbed and placed on a hot straightening machine 2 by a first robot 9, the width and the length of the reed heating are positioned on the hot straightening machine 2, a second robot 8 is taken out of the straightening machine, turned 180 degrees in the air and placed on a full-automatic frame type swing lifting quenching machine 1 to be compressed, and the reed heating is bent and formed. And the reed is lowered into the quenching oil pool 4, and the reed is cooled in an oil groove. The plate spring can be driven to swing during cooling, cooling is accelerated, after the cooling time is up, the full-automatic frame type swing lifting quenching machine 1 is lifted, the second robot 8 takes out the plate spring and puts the plate spring on the oil draining conveying device 3, oil draining is carried out when the oil draining conveying device 3 conveys the plate spring, and then the plate spring is put on a conveying chain of the tempering furnace 7 through the third robot 6. One robot looks at 4 quenchers, according to 4 pieces/minute, 3 robots realize 8 pieces/minute efficiency, 24 hours work. In the traditional manual production, at least 2 people need to look at 4 quenching machines, 1 person needs to discharge materials from an oil tank to a tempering furnace, three shifts are needed, and the yield is only half. The manual sheet placing time difference exists in the quenching process, and the interval time of the thicker and heavier reeds is longer, so that the product quality of the reeds is greatly influenced. Due to the heavy physical labor and the high-temperature oil fume adding operation environment, the workers are easy to have occupational diseases in the aspects of lumbar vertebrae and respiratory tracts.

A first robot 9 is arranged at the discharge end of the quenching furnace 11, a double-piece hot straightening machine 2 is arranged at one end between the two quenching oil pools 4, and the oil draining and conveying device 3 is arranged on the right side of the central line between the two quenching oil pools 4. The second robot 8 is arranged at the central position on the central line between the two quenching oil pools 4. Robot three 6 is at tempering furnace 7 feed end.

The full-automatic frame type swinging lifting quenching machine 1 comprises an underframe 112 and a clamping tooth mounting frame 104, wherein a support 101 is fixed on the underframe 112, a clamping tooth assembly is arranged on the clamping tooth mounting frame 104, a sliding support block 114 capable of sliding up and down is arranged on the support 101, the sliding support block 114 is connected with a lifting device, two sides of the clamping tooth mounting frame 104 are rotatably arranged on the sliding support block 114 through a support shaft 135, and a swinging driving device capable of adjusting the front position and the rear position is arranged on the rear side of the clamping tooth mounting frame 104.

The lifting device comprises a lifting oil cylinder 117 arranged on the bracket 101, the piston rod end of the lifting oil cylinder 117 is connected with a chain, the top of the bracket 101 is rotatably provided with a winding shaft 128, the winding shaft 128 is fixedly provided with a chain wheel 127, and the other end of the chain is connected with the sliding support block 114 by bypassing the chain wheel 127; the swing driving device comprises a first guide sliding rail 118 vertically fixed on the rear side of the clamping tooth mounting frame 104, a guide roller 119 capable of sliding up and down is arranged in the first guide sliding rail 118, a connecting seat 120 is arranged on the rear side of the lower end of the first guide sliding rail 118, the guide roller 119 is rotatably mounted on the connecting seat 120, a rocker 111 is hinged to the rear end of the connecting seat 120, an eccentric wheel 123 is hinged to the rear end of the rocker 111, the eccentric wheel 123 is connected with a swing driving motor 124, a supporting plate 122 is mounted at the lower end of the swing driving motor 124, guide rails 121 are arranged on two sides of the supporting plate 122, the guide rails 121 are fixed on the bottom frame 112, a first adjusting oil cylinder 110 is hinged to the rear end.

The connecting seats 120 on both sides of the rocker 111 are fixed with the guiding telescopic rods 109, the rear ends of the guiding telescopic rods 109 are fixed on the supporting plate 122, the swing driving motor 124 is connected with the speed reducer 125, the output shaft of the speed reducer 125 is connected with the eccentric wheel 123, the inner side of the lower end of the sliding supporting block 114 is fixed with the supporting sleeve 108, the supporting shaft 135 is rotatably installed in the supporting sleeve 108, the bracket 101 is provided with a chute for the sliding supporting block 114 to slide up and down, the chute is internally provided with the lifting rollers 116, and the lifting rollers 116 are rotatably installed on the.

An auxiliary supporting wheel 107 is rotatably installed on the inner side of the sliding supporting block 114, the auxiliary supporting wheel 107 is tightly attached to the front side wall and the rear side wall of the inner end of the sliding chute, a protective cover 102 is arranged on the outer side of the winding shaft 128, the protective cover 102 is fixed on the top of the support 101, position sensors are respectively arranged on the upper portion and the lower portion of the sliding chute and connected with a PLC (programmable logic controller), the PLC is connected with a lifting oil cylinder 117, a swinging driving motor 124 and an adjusting oil cylinder 110, a clamping tooth assembly comprises a clamping oil cylinder 103 hinged on the upper portion of the front end of a clamping tooth mounting frame 104, the lower end of the clamping oil cylinder 103 is hinged with a clamping plate 105, a plurality of clamping teeth 113 which are oppositely arranged in an arc shape are arranged at the lower end of the clamping tooth mounting frame 104, strip-shaped adjusting holes 129 are formed in the clamping teeth 113, fixing bolts 115, the positioning bolt 132 is provided with a locking nut 131, the positioning block 130 is provided with a fastening bolt 134, and the front end of the positioning block 130 is fixed with the clamping teeth 113 through a fixing bolt 115.

The rear side of each positioning block 130 is provided with a positioning key 133, the rear end of each positioning block 130 is provided with a downward flanging, the flanging is provided with a threaded hole matched with a positioning bolt 132, the rear end of each positioning block 130 is provided with a first mounting hole for a fixing bolt 115 to pass through, the front end of each positioning block 130 is provided with a second mounting hole for the fixing bolt 115 to pass through, the rear end of each clamping tooth 113 is provided with a positioning plane, the rear side of each clamping plate 105 is fixed with a plurality of guide sleeves 106, guide rods 126 are arranged in inner holes of the guide sleeves 106, two ends of each guide rod 126 are fixed on the clamping tooth mounting frame 104, four corners of the bottom frame 112 are fixed with connecting plates, and the connecting plates are fixedly.

The clamping tooth positioning and adjusting action principle is as follows:

the upper and lower positioning blocks 130 are fixed on the clamping plate 105 and the clamping tooth mounting frame 104 by fastening bolts 134, then the rear ends of the positioning blocks 130 are propped by positioning keys 133, then the upper and lower clamping teeth 113 of the plate spring are adjusted, the positioning blocks 130 are fixed on the clamping teeth 113 by the rear fixing bolts 115, each clamping tooth 113 is respectively positioned and pressed by the positioning bolts 132 on the upper and lower positioning blocks 30, then the clamping teeth are locked by locking nuts 131, the front ends of the positioning blocks 130 are clamped by the fixing bolts 115, and the rear ends are positioned by the positioning keys 133, so that the clamping teeth 113 are positioned besides the clamping force, the clamping teeth 113 are not loosened under the stress state, and the product quality is ensured.

When the full-automatic frame type swinging lifting quenching machine 1 works, a lifting cylinder contracts 117, a chain of a person is moved downwards, then the other end of the chain lifts a sliding supporting block 114 to move upwards so as to drive the whole clamping tooth mounting frame 104 to move upwards, a guide roller 119 rolls in a vertical sliding groove of a guide sliding rail 118 when the clamping tooth mounting frame 104 moves upwards, after a clamping tooth assembly is lifted to the highest position, the lifting cylinder 117 stops, a second robot 8 takes a plate spring from a heat straightening machine 2 to be placed between an upper clamping tooth and a lower clamping tooth, because of gravity, the lower part of the plate spring is attached to a lower clamping tooth 113, then a clamping cylinder 103 extends out to drive a clamping plate 105 to move downwards, the upper clamping tooth 113 and the lower clamping tooth 113 finish clamping the plate spring, then the lifting cylinder 117 extends out, the clamping tooth mounting frame 104 descends under the action of self gravity, the lower plate spring falls into a quenching oil bath, and when the plate falls to the, then sway driving motor 124 and rotate, drive eccentric wheel 123 and rotate, thereby drive rocker 111 and move, then drive whole double-layered tooth mounting bracket 104 and swing round back shaft 135 department, not only stir the oil bath, and the leaf spring is in the motion state, fully with the contact of quenching oil, quenching efficiency is higher, quenching effect is better, in addition can be through the stretching out and the shrink of adjusting cylinder 110, can adjust the range of swaying of double-layered tooth mounting bracket 104, after the quenching is accomplished, promote cylinder 117 shrink, the person of taking the chain moves down, then the chain other end is carrying sliding support block 114 and is upwards moving, thereby drive whole double-layered tooth mounting bracket 104 and move upwards, the leaf spring that has quenched is proposed, then robot two 8 takes out the leaf spring and puts on oil leaching conveyor 3, then put into new leaf spring and carry out quenching next time.

The hot straightening machine 2 comprises a straightening rack 208, a fixed clamping plate 217 is fixed at the top of the straightening rack 208, a plurality of straightening supporting plates 216 fixed on the straightening rack 208 are arranged below the fixed clamping plate 217, a movable frame 210 is arranged on the straightening rack 208 in a sliding mode, a straightening oil cylinder 205 is hinged to the rear end of the movable frame 210, the lower end of the straightening oil cylinder 205 is fixed with the straightening rack 208, a movable clamping plate 206 parallel to the fixed clamping plate 217 is fixed at the inner end of the movable frame 210, a length positioning oil cylinder 201 is fixed on the straightening rack 208, a length positioning plate 203 is connected to the piston rod end of the length positioning oil cylinder 201, and the length positioning plate 203 is located above the fixed clamping plate 217 and the.

A guide sliding rod 204 parallel to the fixed clamping plate 217 is fixed on the straightening frame 208, a sliding positioning seat 202 is arranged on the guide sliding rod 204, the sliding positioning seat 202 is fixed with the length positioning plate 203, and the sliding positioning seat 202 is hinged with a piston rod of the length positioning oil cylinder 201; a middle partition plate 218 is arranged between the movable clamping plate 206 and the fixed clamping plate 217, a connecting frame 215 is fixed at the rear end of the middle partition plate 218, an adjusting sliding sleeve 214 is fixed at two sections of the connecting frame 215, an adjusting guide rod 213 fixed on the straightening rack 208 is arranged in the adjusting sliding sleeve 214, an adjusting oil cylinder II 209 is hinged at the bottom of the adjusting sliding sleeve 214, the rear end of the adjusting oil cylinder II 209 is hinged on the straightening rack 208, and a protection plate 219 fixed on the straightening rack 208 is arranged outside the adjusting oil cylinder II 209; two pressure plates 207 are arranged above the fixed clamping plate 217 and the movable clamping plate 206, a lifting support plate 222 is fixed at the bottom of one end of each of the two pressure plates 207, a lifting pressing oil cylinder 221 is fixed at the bottom of each of the lifting support plates 222, and each lifting pressing oil cylinder 221 is fixed on the straightening frame 208; the bottom of the two ends of the lifting support plate 222 is fixed with a lifting guide rod 220, the lifting guide rod 220 is sleeved with a lifting guide sleeve, and the lifting guide sleeve is fixed on the straightening rack 208; a guide sliding block 211 is fixed at the bottom of the movable frame 210, and a second guide sliding rail 212 matched with the guide sliding block 211 is fixed on the straightening machine frame 208.

1. When the double-leaf spring is straightened: the length positioning oil cylinder 201 is started to drive the length positioning plate 203 to move to a proper position, the first robot 9 takes out one plate spring and places the plate spring between the middle partition plate 218 and the fixed clamping plate 217, one end of the plate spring touches the length positioning plate 203, the second adjusting oil cylinder 209 is started to drive the middle partition plate 218 and the fixed clamping plate 217 to clamp the plate spring, the first robot 9 takes out the other plate spring and places the plate spring between the middle partition plate 218 and the movable clamping plate 206, one end of the plate spring touches the length positioning plate 203, the lifting pressing oil cylinder 221 contracts, the pressing plate 207 presses the top of the plate spring, and the straightening oil cylinder 205; after straightening, the lifting pressing oil cylinder 221 is lifted, the straightening oil cylinder 205 retreats, the middle partition plate 218 retreats, and the robot II 8 acts to transfer the two reeds to the full-automatic frame type swing lifting quenching machine 1 for quenching.

2. When the single pieces are aligned: at the moment, the second adjusting oil cylinder 209 acts to push the middle partition plate 218 to the position where the middle partition plate is contacted with the fixed clamp plate 217 of the straightening machine, the first robot 9 takes out another leaf spring and places the leaf spring between the middle partition plate 218 and the movable clamp plate 206, one end of the leaf spring touches the length positioning plate 203, the lifting pressing oil cylinder 221 contracts, the pressing plate 207 presses the top of the leaf spring, and the straightening oil cylinder 205 acts to straighten the leaf spring; after straightening, the lifting pressing oil cylinder 221 is lifted, the straightening oil cylinder 205 retreats, and the robot two 8 acts to transfer the reed to the full-automatic frame type swing lifting quenching machine 1 for quenching.

The oil leaching conveying device 3 comprises an oil leaching frame 312, an oil receiving groove 311 is fixed at the top of the oil leaching frame 312, a supporting leg 310 is fixed in the middle of the oil receiving groove 311, two oil leaching plates 303 which are obliquely arranged in parallel are fixed at the top of the supporting leg 310, oil leaching chain wheels 302 are rotatably installed at two ends of each oil leaching plate 303, a transmission shaft 305 is rotatably installed on each supporting leg 310, transmission chain wheels 306 connected with the oil leaching chain wheels 302 through oil leaching chains 304 are fixed at two ends of each transmission shaft 305, and each transmission shaft 305 is connected with an oil leaching motor 308; the bottom of the middle of the two ends of the oil draining plate 303 is provided with a travel switch 301, the travel switch 301 is connected with a PLC (programmable logic controller), and the PLC is connected with an oil draining motor 308; a plurality of pairs of guide groove plates 314 which are obliquely arranged in a high-outside and low-inside mode are fixed on two sides of the oil receiving groove 311, and an oil receiving plate 315 which can slide and stretch is inserted in each pair of guide groove plates 314; a driven sprocket 307 is fixed at the middle part of the transmission shaft 305, and a driving sprocket 313 connected with the driven sprocket 307 through a transmission chain is fixed at the output shaft of the oil leaching motor 308; travel switch 301 includes control clamp plate 316, the well lower part downside of control clamp plate 316 is fixed with commentaries on classics cover 320, change the interior rotation of cover 320 and install the supporting pin axle 321 of fixing on oil draining board 303, the right-hand member perk of control clamp plate 316 is stretched into between two oil draining boards 303 and its top is in oil draining chain 304 top, the left end top of control clamp plate 316 is fixed with balancing weight 318, the left end lower part of control clamp plate 316 is equipped with the photoelectric sensor 319 of connecting the PLC controller, photoelectric sensor 319 right side is fixed with the spacing bolt 317 that withstands control clamp plate 316 left end lower part, the higher one end top of oil draining board 303 is fixed with limit baffle 309.

When the oil leaching conveying device 3 works, the quenched plate spring is placed on the oil leaching chain 304 on the oil leaching plate 303 at the lower end of the robot 2, at the moment, the plate spring presses the travel switch 301 at the left end, the travel switch 301 is started, the oil leaching motor 308 is controlled to be started by the PLC, the oil leaching chain 304 is driven to rotate, the plate spring is driven to move rightwards, when the plate spring moves to the right end, the travel switch 301 at the right end is touched, the PLC is signaled, the oil leaching motor 308 is controlled to stop, and then the plate spring which is grabbed and leached by the robot III 6 is sent to the tempering furnace 7 for tempering.

The quenching oil pool 4 is provided with an oxide skin cleaning device 5, the oxide skin cleaning device 5 comprises a conveying groove 509 arranged at the bottom of one side of the quenching oil pool 4, a spiral auger 513 is arranged in the conveying groove 509, the bottom wall of the quenching oil pool 4 at the inner side of the conveying groove 509 is obliquely arranged, a collecting groove 508 lower than the conveying groove 509 is arranged in the quenching oil pool 4 at the discharge end of the conveying groove 509, the top of the collecting groove 508 is fixedly provided with a collecting support 503, the side walls of the collecting support 503 and the collecting groove 508 are respectively and rotatably provided with a collecting rotating shaft 505, the collecting rotating shaft 505 is fixedly provided with a collecting chain wheel 507, the collecting chain wheels 507 are connected through a collecting chain 514, the collecting chain 514 is in a ring shape, a plurality of collecting scraping plates 511 are fixedly arranged outside the collecting chain 514, oil dripping holes are arranged on the collecting scraping plates 511, turning edges are arranged; the two ends of the quenching oil pool 4 are provided with stirrers 502, and the stirrers 502 are connected with a stirring motor 510; an oil pumping pipe 512 is arranged in the quenching oil pool 4, and the oil pumping pipe 512 is connected with an oil well pump; a protective net 515 is fixed at the top of the conveying trough 509, the spiral auger 513 is connected with a conveying motor 501, and a material receiving trough 506 is arranged below the upper end of the collecting support 503.

During the operation of scale cleaning device 5, the scale in quenching oil bath 4 falls on the diapire, because diapire slope sets up, can be along in diapire slide delivery chute 509, then conveying motor 501 drives spiral auger 513 and starts, carry the collecting vat 508 to the scale, at this moment collect driving motor 504 and rotate, it rotates to drive collection pivot 505, thereby it rotates to drive collection sprocket 507, drive the collection scraper blade 511 motion on the collection sprocket 514, scrape the scale of getting in the collecting vat 508, carry the scale and connect in the silo 506.

In conclusion, the device has small occupied area, is convenient for oil fume collection and purification treatment, and greatly improves the production efficiency. The robot is adopted for feeding, so that the labor intensity is greatly reduced, the yield is improved, the positioning precision can be ensured, and the product quality is improved. Through full-automatic frame-type swing lift quenching machine can drive it and carry out reciprocating swing motion after the leaf spring soaks the quenching oil bath, the quenching effect is better to swing motion can stir the quenching oil and flow, accomplishes the stirring action, accelerates quenching efficiency, and swing actuating mechanism can adjust holistic front and back displacement as required in addition, and the range of swaying is better controlled.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides an automatic guenching unit of car leaf spring, includes quenching oil bath (4), its characterized in that: the top of the quenching oil pool (4) is provided with a full-automatic frame type swing lifting quenching machine (1), two ends of the quenching oil pool (4) are respectively provided with a quenching furnace (11) and a tempering furnace (7), one side of the quenching oil pool (4) is provided with a draining oil conveying device (3) and a hot straightening machine (2), the discharge end of the quenching furnace (11) is provided with a first robot (9) for conveying a plate spring from the quenching furnace (11) to the hot straightening machine (2), one end of the draining oil conveying device (3) is provided with a second robot (8) for conveying the plate spring from the hot straightening machine (2) to the full-automatic frame type swing lifting quenching machine (1) and then conveying the plate spring to the draining oil conveying device (3) after the plate spring is quenched, and the other end of the draining oil conveying device (3) is provided with a third robot (6) for conveying the plate spring from the draining oil conveying device (3) to the tempering furnace.

2. The automatic plate spring quenching device for automobile according to claim 1, characterized in that: full-automatic frame-type sways lift quenching machine (1) includes chassis (112) and presss from both sides tooth mounting bracket (104), be fixed with support (101) on chassis (112), be equipped with on pressing from both sides tooth mounting bracket (104) and press from both sides the tooth assembly, be equipped with gliding slip supporting shoe (114) from top to bottom on support (101), slip supporting shoe (114) are connected with elevating gear, the both sides of pressing from both sides tooth mounting bracket (104) are passed through back shaft (135) and are rotated and install on slip supporting shoe (114), the rear side of pressing from both sides tooth mounting bracket (104) is equipped with the drive arrangement that sways that can adjust front and back position.

3. The automatic plate spring quenching device for automobile according to claim 2, characterized in that: the lifting device comprises a lifting oil cylinder (117) arranged on the support (101), the piston rod end of the lifting oil cylinder (117) is connected with a chain, the top of the support (101) is rotatably provided with a winding shaft (128), the winding shaft (128) is fixedly provided with a chain wheel (127), and the other end of the chain is connected with the sliding support block (114) by bypassing the chain wheel (127); the swing driving device comprises a first guide sliding rail (118) vertically fixed on the rear side of a clamping tooth mounting frame (104), a guide roller (119) capable of sliding up and down is arranged in the first guide sliding rail (118), a connecting seat (120) is arranged on the rear side of the lower end of the first guide sliding rail (118), the guide roller (119) is rotatably installed on the connecting seat (120), a rocker (111) is hinged to the rear end of the connecting seat (120), an eccentric wheel (123) is hinged to the rear end of the rocker (111), a swing driving motor (124) is connected to the eccentric wheel (123), a supporting plate (122) is installed at the lower end of the swing driving motor (124), guide rails (121) are arranged on two sides of the supporting plate (122), the guide rails (121) are fixed on an underframe (112), a first adjusting oil cylinder (110) is hinged to the rear end of the underframe (112), and the.

4. The automatic plate spring quenching device for automobile according to claim 3, characterized in that: be fixed with direction telescopic link (109) on connecting seat (120) of rocker (111) both sides, direction telescopic link (109) rear end is fixed on backup pad (122), it is connected with reduction gear (125) to sway driving motor (124), output shaft eccentric wheel (123) of reduction gear (125), the lower extreme inboard of slip supporting shoe (114) is fixed with supports cover (108), back shaft (135) rotate to be installed in supporting cover (108), be equipped with on support (101) and supply slip supporting shoe (114) gliding spout from top to bottom, be equipped with lift gyro wheel (116) in the spout, lift gyro wheel (116) rotate to be installed in the front and back both sides of slip supporting shoe (114).

5. The automatic plate spring quenching device for automobile according to claim 3, characterized in that: an auxiliary supporting wheel (107) is rotatably installed on the inner side of the sliding supporting block (114), the auxiliary supporting wheel (107) is tightly attached to the front side wall and the rear side wall of the inner end of the sliding chute, a protective cover (102) is arranged on the outer side of a winding shaft (128), the protective cover (102) is fixed to the top of a support (101), position sensors are arranged on the upper portion and the lower portion of the sliding chute respectively, the position sensors are connected with a PLC (programmable logic controller), the PLC is connected with a lifting oil cylinder (117), a swing driving motor (124) and an adjusting oil cylinder I (110), a clamping tooth assembly comprises a clamping oil cylinder (103) hinged to the upper portion of the front end of a clamping tooth mounting frame (104), a clamping plate (105) is hinged to the lower end of the clamping oil cylinder (103), a plurality of clamping teeth (113) which are arranged in an arc shape are arranged oppositely are arranged at the lower end of the clamping tooth mounting frame, a plurality of locating pieces (130) outside the clamping teeth (113), a plurality of positioning bolts (132) are arranged on the rear side of each locating piece (130), locking nuts (131) are arranged on the positioning bolts (132), fastening bolts (134) are arranged on the locating pieces (130), and the front ends of the locating pieces (130) are fixed with the clamping teeth (113) through fixing bolts (115).

6. The automatic plate spring quenching device for automobile according to claim 4, characterized in that: the rear side of each positioning block (130) is provided with a positioning key (133), the rear end of each positioning block (130) is provided with a downward flanging, each flanging is provided with a threaded hole matched with a positioning bolt (132), the rear end of each positioning block (130) is provided with a first mounting hole for a fixing bolt (115) to pass through, the front end of each positioning block (130) is provided with a second mounting hole for the fixing bolt (115) to pass through, the rear end of each clamping tooth (113) is provided with a positioning plane, the rear side of each clamping plate (105) is fixed with a plurality of guide sleeves (106), each guide sleeve (106) is provided with a guide rod (126) in an inner hole, two ends of each guide rod (126) are fixed on each clamping tooth mounting frame (104), four corners of the bottom of the chassis (112) are fixed with connecting plates, and the connecting plates are fixedly mounted at the.

7. The automatic plate spring quenching device for automobile according to claim 1, characterized in that: hot straightener (2) are including alignment frame (208), the top of alignment frame (208) is fixed with decides splint (217), the below of deciding splint (217) is equipped with a plurality of alignment backup pads (216) of fixing on alignment frame (208), it is equipped with adjustable shelf (210) to slide on alignment frame (208), adjustable shelf (210) rear end is articulated to have alignment hydro-cylinder (205), the lower extreme and alignment frame (208) of alignment hydro-cylinder (205) are fixed, adjustable shelf (210) inner is fixed with movable splint (206) parallel with deciding splint (217), be fixed with length positioning cylinder (201) on alignment frame (208), the tailpiece of the piston rod of length positioning cylinder (201) is connected with length positioning plate (203), length positioning plate (203) are located the top of deciding splint (217) and deciding splint (217).

8. The automatic plate spring quenching device for automobile according to claim 7, characterized in that: the oil leaching conveying device (3) comprises an oil leaching frame (312), an oil receiving groove (311) is fixed at the top of the oil leaching frame (312), a supporting leg (310) is fixed in the middle of the oil receiving groove (311), two oil leaching plates (303) which are arranged in a parallel and inclined mode are fixed at the top of the supporting leg (310), oil leaching chain wheels (302) are rotatably installed at two ends of each oil leaching plate (303), transmission shafts (305) are rotatably installed on the supporting legs (310), transmission chain wheels (306) which are connected with the oil leaching chain wheels (302) through oil leaching chains (304) are fixed at two ends of each transmission shaft (305), and the transmission shafts (305) are connected with an oil leaching motor (308); the bottom of the middle of the two ends of the oil draining plate (303) is provided with a travel switch (301), the travel switch (301) is connected with a PLC (programmable logic controller), and the PLC is connected with an oil draining motor (308); a plurality of pairs of guide groove plates (314) which are obliquely arranged in a high-outside and low-inside mode are fixed on two sides of the oil receiving groove (311), and an oil receiving plate (315) which can slide and stretch is inserted in each pair of guide groove plates (314); a driven chain wheel (307) is fixed at the middle part of the transmission shaft (305), and a driving chain wheel (313) connected with the driven chain wheel (307) through a transmission chain is fixed at the output shaft of the oil draining motor (308); travel switch (301) are including control clamp plate (316), the well lower part downside of control clamp plate (316) is fixed with changes cover (320), it installs supporting pin axle (321) of fixing on oil drain board (303) to change cover (320) internal rotation, the right-hand member perk of control clamp plate (316) upwards stretches into between two oil drain boards (303) and its top is in oil drain chain (304) top, the left end top of control clamp plate (316) is fixed with balancing weight (318), the left end lower part of control clamp plate (316) is equipped with photoelectric sensor (319) of connecting the PLC controller, photoelectric sensor (319) right side is fixed with and withstands limiting bolt (317) of control clamp plate (316) left end lower part, the higher one end top of oil drain board (303) is fixed with limit baffle (309).

9. The automatic plate spring quenching device for automobile according to claim 8, characterized in that: the quenching oil tank (4) is provided with a scale cleaning device (5), the scale cleaning device (5) comprises a conveying groove (509) arranged at the bottom of one side of the quenching oil tank (4), a spiral auger (513) is arranged in the conveying groove (509), the bottom wall of the inner side quenching oil tank (4) of the conveying groove (509) is obliquely arranged, a collecting groove (508) lower than the conveying groove (509) is arranged in the quenching oil tank (4) at the discharge end of the conveying groove (509), the top of the collecting groove (508) is fixedly provided with a collecting support (503), collecting rotating shafts (505) are respectively rotatably arranged on the side walls of the collecting support (503) and the collecting groove (508), collecting sprockets (507) are fixedly arranged on the collecting rotating shafts (505), a plurality of collecting sprockets (507) are connected through collecting chains (514), the collecting chains (514) are annular, a plurality of collecting scrapers (511) are fixedly arranged outside the collecting chains (514), the collecting scraper (511) is provided with an oil draining hole, the periphery of the collecting scraper (511) is provided with turning edges, and one collecting rotating shaft (505) is connected with a collecting driving motor (504); two ends of the quenching oil pool (4) are provided with stirrers (502), and the stirrers (502) are connected with a stirring motor (510); an oil pumping pipe (512) is arranged in the quenching oil pool (4), and the oil pumping pipe (512) is connected with an oil well pump; the top of the conveying trough (509) is fixed with a protective screen (515), the spiral auger (513) is connected with a conveying motor (501), and a material receiving trough (506) is arranged below the upper end of the collecting support (503).

10. The automatic plate spring quenching device for automobile according to claim 7, characterized in that: a guide sliding rod (204) parallel to the fixed clamping plate (217) is fixed on the straightening frame (208), a sliding positioning seat (202) is arranged on the guide sliding rod (204), the sliding positioning seat (202) is fixed with the length positioning plate (203), and the sliding positioning seat (202) is hinged with a piston rod of the length positioning oil cylinder (201); an intermediate partition plate (218) is arranged between the movable clamping plate (206) and the fixed clamping plate (217), a connecting frame (215) is fixed at the rear end of the intermediate partition plate (218), an adjusting sliding sleeve (214) is fixed at two sections of the connecting frame (215), an adjusting guide rod (213) fixed on the straightening rack (208) is arranged in the adjusting sliding sleeve (214), an adjusting oil cylinder II (209) is hinged to the bottom of the adjusting sliding sleeve (214), the rear end of the adjusting oil cylinder II (209) is hinged to the straightening rack (208), and a protection plate (219) fixed on the straightening rack (208) is arranged on the outer side of the adjusting oil cylinder II (209); two pressure plates (207) are arranged above the fixed clamping plate (217) and the movable clamping plate (206), a lifting support plate (222) is fixed at the bottom of one end of each pressure plate (207), a lifting pressing oil cylinder (221) is fixed at the bottom of each lifting support plate (222), and each lifting pressing oil cylinder (221) is fixed on the straightening rack (208); the bottoms of the two ends of the lifting support plate (222) are fixed with lifting guide rods (220), lifting guide sleeves are sleeved on the lifting guide rods (220), and the lifting guide sleeves are fixed on the straightening rack (208); a guide sliding block (211) is fixed at the bottom of the movable frame (210), and a guide sliding rail II (212) matched with the guide sliding block (211) is fixed on the straightening machine frame (208).