CN214244537U - Automatic quenching line for automobile plate spring - Google Patents

Abstract

The utility model relates to an automatic quenching line of car leaf spring, including the quenching oil bath, the top in quenching oil bath is equipped with full-automatic frame-type and sways the lift quenching machine, quenching oil bath both ends are equipped with quenching furnace and tempering furnace respectively, quenching oil bath one side is equipped with waterlogging caused by excessive rainfall cooling device and hot straightener, the quenching furnace discharge end is equipped with robot one, quenching oil bath one end is equipped with and transports the leaf spring from hot straightener to full-automatic frame-type and sways the lift quenching machine then transport robot two on the waterlogging caused by excessive rainfall cooling device after the quenching of leaf spring is accomplished, the quenching oil bath other end is equipped with carries robot three on the tempering furnace to the leaf spring from the waterlogging caused by excessive rainfall cooling device, quenching oil bath one side is equipped with the running gear who removes about transport robot two and robot three. The utility model discloses area is little, and the oil smoke of being convenient for is collected and purification treatment, has also improved production efficiency greatly. 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 line for automobile plate spring

Technical Field

The utility model relates to an automatic line that quenches of car leaf spring belongs to leaf spring rolling mill technical field.

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, 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 automation.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic line that quenches of car leaf spring solves present leaf spring and quenches the line, and equipment area is big, and equipment is in large quantity, and the operation workman is many, and intensity of labour is very big, is not convenient for realize automatic problem.

The utility model relates to an automatic quenching line of car leaf spring, including the quenching oil bath, the top in quenching oil bath is equipped with full-automatic frame-type and sways lift quenching machine, quenching oil bath both ends are equipped with quenching furnace and tempering furnace respectively, quenching oil bath one side is equipped with waterlogging caused by excessive rainfall cooling device and hot straightener, the quenching furnace discharge end is equipped with the first robot that transports the leaf spring from the quenching furnace to hot straightener, quenching oil bath one end is equipped with and transports the full-automatic frame-type from hot straightener to sway lift quenching machine then carries the second robot on the waterlogging caused by excessive rainfall cooling device after the quenching of leaf spring is accomplished, the quenching oil bath other end is equipped with and transports the third robot on the tempering furnace from the waterlogging caused by excessive rainfall cooling device to the leaf spring, quenching oil bath one side is equipped with the running gear who removes about conveying robot two and the third robot.

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 swing driving motor, guide rails are arranged on two sides of the supporting plate, the two sides of the supporting plate can move back and forth along the guide rails, the guide rails are fixed on the bottom frame, and a first adjusting oil cylinder is hinged at the rear end of the bottom frame, 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 additional 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 bolt on the locating piece, the locating piece front end passes through fixing bolt and presss from both sides the tooth to be fixed. 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 plate and the fixed clamp plate. 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 is used for driving the screw nut pair 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 cooling device comprises an oil draining cooling frame, an inclined mounting frame plate is arranged in the middle of the oil draining cooling frame, a plurality of cooling platforms which are distributed in a step shape are arranged at the top of the mounting frame plate, the outer sides of the cooling platforms are higher than the inner sides of the cooling platforms in an inclined mode, cooling fans blowing towards the cooling platforms are arranged on the left side and the right side of the oil draining cooling frame, and oil receiving grooves are formed in the bottom of the oil draining cooling frame; the bottom of the mounting frame plate is fixed with a connecting frame plate, two ends of the connecting frame plate are fixed on an oil draining cooling frame, and the oil draining cooling frame is provided with a plurality of strip-shaped oil draining holes; a plurality of vertical oil baffle plates are fixed at the rear side of each oil leaching hole; an inclined shielding plate is arranged below the connecting frame plate; the bottom of the oil receiving groove is obliquely arranged with the outer side higher than the inner side; an oil discharge pipe is arranged at the bottom of the inner end of the oil receiving groove, and a valve is arranged on the oil discharge pipe; and a leakage-proof baffle is fixed at the top of the outer side of the oil receiving groove. Can snatch the leaf spring through robot two and put cooling platform on, the leaf spring on the cooling platform does not shelter from in vertical direction, and quenching oil directly drips in connecing the oil groove to blow through cooling blower during the cooling for cooling rate.

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 rotating shaft is connected with a collecting driving motor; 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 traveling mechanism is arranged between the two quenching oil tanks in parallel, the traveling mechanism comprises a traveling slide rail, two traveling slide plates are arranged on the traveling slide rail, the second robot and the third robot are respectively fixed on the two traveling slide plates, a traveling driving motor is fixed on the traveling slide plates, a traveling gear is fixedly connected with the traveling driving motor, and the traveling gear is connected with a traveling rack fixed on the traveling slide rail.

The utility model discloses, following beneficial effect has:

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, makes things convenient for the feeding.

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 an oil draining and cooling device;

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

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

FIG. 21 is an enlarged view of the structure of FIG. 1 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 a length positioning oil cylinder, 202. A sliding positioning seat, 203, a length positioning plate, 204, a guide sliding rod, 205, a straightening oil cylinder, 206, a movable clamping plate, 207, a pressing plate, 208, a straightening frame, 209, a second adjusting oil cylinder, 210, a movable frame, 211, a guide sliding block, 212, a second guide sliding rail, 213, an adjusting guide rod, 214, an adjusting sliding sleeve, 215, a connecting frame, 216, a straightening supporting plate, 217, a fixed clamping plate, 218, a middle partition plate, 219, a protecting plate, 220, a lifting guide rod, 221, a lifting pressing oil cylinder, 222, a lifting supporting plate, 3, a first robot, 4, a quenching oil tank, 5, a scale cleaning device, 501, a conveying motor, 502, a stirrer, a collecting tank, a collecting bracket, 504, a collecting driving motor, 505, a collecting rotating shaft, 506, a material receiving tank, 507, a collecting chain wheel, 508, 509, a conveying tank, 510, a stirring motor, 511, a collecting scraping plate, 512, an oil pumping pipe, 513. the quenching furnace comprises a spiral auger, 514, a collecting chain, 515, a protective net, 6, a second robot, 7, a quenching furnace, 8, a walking mechanism, 801, a walking slide rail, 802, a walking slide plate, 803, a walking driving motor, 804, a walking rack, 9, an oil draining cooling device, 901, a mounting frame plate, 902, an oil draining cooling frame, 903, a cooling fan, 904, an oil draining hole, 905, a connecting frame plate, 906, a leakage-proof baffle plate, 907, a cooling platform, 908, a baffle plate, 909, an oil receiving groove, 910, an oil baffle plate, 10, a third robot, 11 and a tempering furnace.

Detailed Description

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

As shown in fig. 1 to 25, the utility model discloses an automatic quenching line of car leaf spring, including quenching oil bath 4, the top of quenching oil bath 4 is equipped with full-automatic frame-type swing lift quenching machine 1, quenching oil bath 4 both ends are equipped with quenching furnace 7 and tempering furnace 11 respectively, quenching oil bath 4 one side is equipped with waterlogging caused by excessive rainfall cooling device 9 and hot straightener 2, quenching furnace 7 discharge end is equipped with the robot 3 of transporting the leaf spring from quenching furnace 7 to hot straightener 2, quenching oil bath 4 one end is equipped with and transports full-automatic frame-type swing lift quenching machine 1 to robot two 6 on waterlogging caused by excessive rainfall cooling device 9 after the quenching of leaf spring is accomplished, the quenching oil bath 4 other end is equipped with carries the robot three 10 on tempering furnace 11 from waterlogging caused by excessive rainfall cooling device 9 to the leaf spring, quenching oil bath 4 one side is equipped with the running gear 8 that moves about conveying robot two 6 and the robot three 10.

After the reed heating is discharged from the quenching furnace 7, the reed heating is grabbed and placed on the hot straightening machine 2 by the first robot 3, the width and the length of the reed heating are positioned on the hot straightening machine 2, the second robot 6 is taken out of the hot straightening machine 2, turned over for 180 degrees in the air and placed on the full-automatic frame type swing lifting quenching machine 1, and the reed heating is compressed and bent to form the leaf spring. 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 6 takes out the plate spring and places the plate spring on the oil draining cooling device 9, air cooling oil draining is carried out on the oil draining cooling device 9, and then the third robot 10 is placed on a conveying chain of the tempering furnace 11. One robot looks at 4 quenching machines, and works for 24 hours according to 4 pieces/minute, and 3 robots realize 8 pieces/minute efficiency. 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 3 is arranged at the discharge end of the quenching furnace 7, a double-plate hot straightening machine 2 is arranged at one end between the two quenching oil pools 4, and an oil draining and cooling device 9 is arranged at the position of the right end of the two quenching oil pools. The second robot 6 and the third robot 10 are arranged at the central positions on the central line between the two quenching oil pools 4. The left and right movement is conveyed by the walking mechanism.

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 of the bottom frame 112, and the piston rod end of the first adjusting oil cylinder 110 is hinged to the supporting plate 122.

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 front side and the rear side of the sliding supporting block 114.

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 are arranged in the adjusting holes 129, a plurality of positioning blocks 130 are arranged on the outer side of the clamping teeth 113, and a plurality of positioning bolts 132 are arranged on the rear side of each positioning block 130, 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 mounted at the top of the quenching oil pool 4.

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 6 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, 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 position, the lifting cylinder 117 stops, 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 finished quenching is proposed, then robot two 6 takes out the leaf spring and puts on oil dripping 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 fixed clamping plate 217.

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 3 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 3 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 acts to straighten the plate spring; 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 two 6 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 1 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 6 acts to transfer the reed to the full-automatic frame type swing lifting quenching machine 1 for quenching.

The oil draining cooling device 9 comprises an oil draining cooling frame 902, an inclined mounting frame plate 901 is arranged in the middle of the oil draining cooling frame 902, a plurality of cooling platforms 907 which are distributed in a step shape are arranged at the top of the mounting frame plate 901, the outer sides of the cooling platforms 907 are higher than the inner sides of the cooling platforms in an inclined mode, cooling fans 903 facing the cooling platforms 907 are arranged on the left side and the right side of the oil draining cooling frame 902, and oil receiving grooves 909 are formed in the bottom of the oil draining cooling frame 902; a connecting frame plate 905 is fixed at the bottom of the mounting frame plate 901, two ends of the connecting frame plate 905 are fixed on the oil draining cooling frame 902, and a plurality of strip-shaped oil draining holes 904 are formed in the oil draining cooling frame 902; a plurality of vertical oil baffle plates 910 are fixed at the rear side of each oil dripping hole 904; an inclined shielding plate 908 is arranged below the connecting frame plate 905; the bottom of the oil receiving groove 909 is arranged obliquely with the outer side higher than the inner side; an oil discharge pipe is arranged at the bottom of the inner end of the oil receiving groove 909, and a valve is arranged on the oil discharge pipe; a leak-proof baffle 906 is fixed to the outer top of the oil receiving groove 909.

When the oil draining cooling device 9 works, the second 6 robot clamps down the plate spring after quenching is completed, then the second 8 robot drives the second 6 robot to the oil draining cooling device 9, then the second 6 robot puts down the plate spring on the cooling platform 907, because the cooling platform 907 is inclined, oil draining is convenient, and the plate spring is prevented from dropping, in addition, the cooling fan 903 is matched for cooling with higher speed, the third 8 robot drives the third 10 robot to the oil draining cooling device 9 after cooling is completed, the plate spring clamp after oil draining is cooled down, then the third 10 robot is driven to the tempering furnace 11 by the traveling mechanism 8, and the plate spring is put on a feeding chain of the tempering furnace 11.

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 around the collecting scraping plates 511, and one collecting rotating shaft 505 is connected with a collecting driving motor 504; 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. Two quenching oil pools 4 are arranged, the traveling mechanisms 8 are arranged between the two quenching oil pools 4 in parallel, each traveling mechanism 8 comprises a traveling slide rail 801, two traveling slide plates 802 are arranged on the traveling slide rails 801, the second robot 6 and the third robot 10 are respectively fixed on the two traveling slide plates 802, a traveling driving motor 803 is fixed on each traveling slide plate 802, a traveling gear is fixedly connected with each traveling driving motor 803, and each traveling gear is connected with a traveling rack 804 fixed on each traveling slide rail 801. The traveling mechanism 8 is simple in structure and convenient to move.

To sum up, the utility model discloses this device area is little, and the oil smoke of being convenient for is collected and purification treatment, has also improved production efficiency greatly. 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, makes things convenient for the feeding.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims (10)

1. The utility model provides an automatic quenching line 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 (7) and a tempering furnace (11), one side of the quenching oil pool (4) is provided with a draining oil cooling device (9) and a hot straightening machine (2), the discharge end of the quenching furnace (7) is provided with a first robot (3) for transporting a plate spring from the quenching furnace (7) to the hot straightening machine (2), one end of the quenching oil pool (4) is provided with a second robot (6) for transporting the plate spring from the hot straightening machine (2) to the full-automatic frame type swing lifting quenching machine (1) and then transporting the plate spring to the draining oil cooling device (9) after the plate spring is quenched, the other end of the quenching oil pool (4) is provided with a third robot (10) for transporting the plate spring from the draining oil cooling device (9) to the tempering furnace (11), and one side of the quenching oil pool (4) is provided with a second conveying robot (6) and a traveling mechanism (8) for moving the third robot (10) left and right.

2. The automatic quenching line for automobile leaf springs 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 quenching line for automobile leaf springs 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 piston rod end of the first adjusting oil cylinder (110) is hinged to the supporting plate (122).

4. The automatic quenching line for automobile leaf springs 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 quenching line for automobile leaf springs 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 (104), strip-shaped adjusting holes (129) are formed in the clamping teeth (113), and fixing bolts (115) are arranged in the adjusting holes (129), 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 quenching line for automobile leaf springs according to claim 5, 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 top of the quenching oil pool (4).

7. The automatic quenching line for automobile leaf springs 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 quenching line for automobile leaf springs according to claim 7, characterized in that: the oil draining cooling device (9) comprises an oil draining cooling frame (902), an inclined mounting frame plate (901) is arranged in the middle of the oil draining cooling frame (902), a plurality of cooling platforms (907) which are distributed in a step shape are arranged at the top of the mounting frame plate (901), the cooling platforms (907) are obliquely arranged with the outer sides higher than the inner sides, cooling fans (903) facing the cooling platforms (907) are arranged on the left side and the right side of the oil draining cooling frame (902), and oil receiving grooves (909) are formed in the bottom of the oil draining cooling frame (902); a connecting frame plate (905) is fixed at the bottom of the mounting frame plate (901), two ends of the connecting frame plate (905) are fixed on the oil draining cooling frame (902), and a plurality of long-strip oil draining holes (904) are formed in the oil draining cooling frame (902); a plurality of vertical oil baffle plates (910) are fixed at the rear side of each oil dripping hole (904); an inclined shielding plate (908) is arranged below the connecting frame plate (905); the bottom of the oil receiving groove (909) is obliquely arranged with the outer side higher than the inner side; an oil discharge pipe is arranged at the bottom of the inner end of the oil receiving groove (909), and a valve is arranged on the oil discharge pipe; a leakage-proof baffle plate (906) is fixed at the top of the outer side of the oil receiving groove (909).

9. The automatic quenching line for automobile leaf springs 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 leaching hole (904), the periphery of the collecting scraper (511) is provided with a turning edge, 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 quenching line for automobile leaf springs 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); two quenching oil pools (4) are arranged, the traveling mechanisms (8) are arranged in the middle of the two quenching oil pools (4) in parallel, each traveling mechanism (8) comprises a traveling slide rail (801), two traveling slide plates (802) are arranged on the traveling slide rails (801), the second robot (6) and the third robot (10) are respectively fixed on the two traveling slide plates (802), a traveling driving motor (803) is fixed on each traveling slide plate (802), a traveling gear is fixedly connected with each traveling driving motor (803), and each traveling gear is connected with a traveling rack (804) fixed on each traveling slide rail (801).

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