CN112442583B

CN112442583B - Automatic feeding type steel plate spring quenching equipment

Info

Publication number: CN112442583B
Application number: CN202011326096.2A
Authority: CN
Inventors: 王科; 卡米洛; 马方溪; 陈兴岩; 孟卫国; 赵明
Original assignee: Zibo Kaileide Automobile Component Co ltd
Current assignee: Shaanxi Rapade Suspension System Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2022-11-18
Anticipated expiration: 2040-11-24
Also published as: CN112442583A

Abstract

An automatic feeding type steel plate spring quenching device belongs to the technical field of heat treatment equipment of plate springs. The method is characterized in that: the quenching device and the electric heating furnace are both arranged on the upper frame body; the quenching device comprises an overturning quenching container and a quenching container rotating device; a quenching liquid guide pipe is arranged above the gantry support, and the front end of the quenching liquid guide pipe is communicated with the liquid storage box body through a liquid guide pump; a liquid outlet hole is formed in the side part of the bottom of the turnover quenching container and communicated with a waste liquid collecting box through a liquid outlet pipe; a liquid outlet valve is arranged on the liquid outlet hole; the steel plate spring feeding trolley can convey the steel plate spring into an electric heating furnace for heating operation, and then convey the steel plate spring to a quenching device for quenching treatment. The invention can be used for the automatic heating and quenching operation of the plate spring leaf, reduces the labor intensity, occupies small area and is convenient for the production operation of small batches or test pieces.

Description

Automatic feeding type steel plate spring quenching equipment

Technical Field

The invention belongs to the technical field of heat treatment equipment of plate springs, and particularly relates to automatic feeding type steel plate spring quenching equipment.

Background

The Leaf Spring (Leaf Spring) is an elastic element which is most widely applied in automobile suspensions, and is an elastic beam with approximately equal strength which is formed by combining a plurality of alloy Spring pieces with equal width but unequal lengths (the thicknesses can be equal or unequal). In the prior art, in the process of processing a steel plate spring, after the reed is cut to a fixed length as required, the reed is heated to a specified temperature in a heating furnace, is bent and shaped in the temperature range, and then enters a quenching tank for quenching.

In order to solve the problems, the applicant reheats the reed to reach the specified temperature before the reed is put into a quenching bath, and designs automatic quenching equipment matched with the process method. In addition, the applicant designs automatic feeding auxiliary device in this equipment, makes things convenient for the leaf spring to transport and remove between heating furnace and quenching bath, and whole journey need not workman's manual contact and transports the reed, can guarantee operation safety.

Disclosure of Invention

The invention aims to solve the technical problem of providing automatic feeding type steel plate spring quenching equipment which can be used for automatic heating and quenching operation of plate spring leaves, reduces labor intensity, occupies small area and is convenient for production operation of small batches or test pieces.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an automatic material loading formula leaf spring quenching equipment which characterized in that: the quenching device comprises a gantry support, an electric heating furnace, a quenching device and a steel plate spring feeding trolley, wherein the gantry support comprises a transverse upper frame body and at least four stand columns, and the upper frame body is fixed on the ground through the stand columns; the quenching device and the electric heating furnace are both arranged on the upper frame body; the quenching device comprises a turnover quenching container and a quenching container rotating device, and the turnover quenching container is arranged on an upper frame of the gantry support through the quenching container rotating device; a quenching liquid guide pipe is arranged above the gantry support, and the front end of the quenching liquid guide pipe is communicated with the liquid storage box body through a liquid guide pump; a liquid outlet hole is formed in the side part of the bottom of the turnover quenching container and communicated with a waste liquid collecting box through a liquid outlet pipe; a liquid outlet valve is arranged on the liquid outlet hole; the steel plate spring feeding trolley can convey the steel plate spring into an electric heating furnace for heating operation, and then convey the steel plate spring to a quenching device for quenching treatment.

Preferably, the upper frame body comprises a front cross beam and a rear cross beam, the electric heating furnace comprises a furnace body, the lower end of the furnace body is open, and the furnace body is fixed between the front cross beam and the rear cross beam of the upper frame body; an electric heating device is arranged in the furnace body; the steel plate spring feeding trolley comprises a lifting type travelling mechanism and a high-resistance trolley plate, wherein the high-resistance trolley plate is arranged on the lifting type travelling mechanism, and the lifting type travelling mechanism can drive the high-resistance trolley plate to lift and lift the steel plate spring placed on the high-resistance trolley plate to the electric heating furnace until the high-resistance trolley plate completely seals a lower end opening of the electric heating furnace; the inner wall of the furnace body of the electric heating furnace is provided with a refractory brick lining; the high-resistance car plate comprises a metal substrate, and a refractory brick placing layer is riveted on the metal substrate; when the high-resistance car plate completely seals the electric heating furnace, the refractory brick lining and the refractory brick laying layer are closed to form a closed heating space.

Preferably, a left vertical rod jack and a right vertical rod jack are arranged on the refractory brick placing layer, a left vertical rod is inserted into the left vertical rod jack, and a right vertical rod is inserted into the right vertical rod jack; a plurality of left inserting spring holes and right inserting spring holes are respectively and longitudinally formed in the left vertical rod and the right vertical rod, and the left end and the right end of the plate spring are respectively inserted and fixed in the left inserting spring holes and the right inserting spring holes; and a left hoisting hanging ring and a right hoisting hanging ring are respectively fixed at the upper ends of the left upright rod and the right upright rod.

Preferably, the lifting type travelling mechanism comprises a left leg and a right leg, and the upper ends of the left leg and the right leg are respectively provided with a left leg hinge shaft and a right leg hinge shaft; the electric winch device is arranged in the middle of the lower bottom surface of the metal base plate, a left front hinged plate and a left rear hinged plate are sequentially arranged on the left side of the electric winch device from front to back, the left front hinged plate and the left rear hinged plate are fixed on the lower bottom surface of the metal base plate, penetrating left hinged through holes are formed in the left front hinged plate and the left rear hinged plate, and the front end and the rear end of the left leg hinged shaft are respectively inserted into the left hinged through holes; a right front hinge plate and a right rear hinge plate are sequentially arranged on the right side of the electric winch device from front to back, the right front hinge plate and the right rear hinge plate are fixed on the lower bottom surface of the metal base plate, right hinge through holes penetrating through the right front hinge plate and the right rear hinge plate are formed in the right front hinge plate and the right rear hinge plate, and the front end and the rear end of the right leg hinge shaft are respectively inserted in the right hinge through holes; the lower ends of the left leg and the right leg are respectively hinged with the middle parts of the left cross rod and the right cross rod, the front end and the rear end of the left cross rod are respectively provided with a left front roller and a left rear roller, and the front end and the rear end of the right cross rod are respectively provided with a right front roller and a right rear roller; the electric winch device comprises an electric winch wheel driving motor, a winch wheel, a left winch cable and a right winch cable, wherein the electric winch wheel driving motor is arranged in the middle of the lower bottom surface of the metal substrate; when the electric winch wheel drives the motor to rotate in the forward direction, the winch wheel can be driven to rotate and simultaneously tighten the left winch cable and the right winch cable, so that the lower parts of the left supporting leg and the right supporting leg are closed, and meanwhile, the high-resistance vehicle plate is lifted; when the electric capstan driving motor rotates reversely, the electric capstan can rotate and release the left and right winches simultaneously, so that the lower parts of the left and right supporting legs are relatively far away, and the high-resistance vehicle plate is lowered.

Preferably, a left damping sealing spring is longitudinally arranged between the left front hinge plate and the left rear hinge plate, the upper end of the left damping sealing spring is welded and fixed on the lower bottom surface of the metal base plate, and the lower end of the left damping sealing spring is sleeved on the left leg hinge shaft through a circular suspension ring;

and a right damping sealing spring is longitudinally arranged between the right front hinge plate and the right rear hinge plate, the upper end of the right damping sealing spring is welded and fixed on the lower bottom surface of the metal base plate, and the lower end of the right damping sealing spring is sleeved on a hinge shaft of the right support leg through a circular suspension ring.

Preferably, a double bottom layer is arranged at the bottom of the turnover quenching container, the double bottom layer comprises an inner bottom and an outer bottom, the inner bottom, the outer bottom and the peripheral wall enclose to form a sealed inner cavity, a lifting device is arranged in the inner cavity, the lifting device comprises a lifting driving motor, a motor shaft of the lifting driving motor is connected with a pull rope reel, the pull rope reel is wound with the front end of a pull rope, a pull rope through hole is formed in the inner bottom, the rear end of the pull rope penetrates through the pull rope through hole of the inner bottom and then is connected with an anti-falling hook, and the anti-falling hook can hook a left lifting hanging ring or a right lifting hanging ring; and a sealing weather-resistant rubber ring is arranged between the pull rope perforation and the pull rope.

Preferably, a front rotating shaft and a rear rotating shaft are respectively arranged on the front side surface and the rear side surface of the turnover quenching container, a front bearing seat and a rear bearing seat are respectively fixed on the opposite side surfaces of the front cross beam and the rear cross beam, and the front rotating shaft and the rear rotating shaft are respectively inserted and fixed on the front bearing seat and the rear bearing seat; a rotating shaft gear is coaxially installed on the front rotating shaft through a fixing pin; the middle part of the front cross beam is provided with an overturning motor mounting arm, an overturning motor is fixed on the overturning motor mounting arm, an overturning driving gear is sleeved on a motor shaft of the overturning motor, and the overturning driving gear is meshed with a rotating shaft gear; when the overturning motor rotates forwards, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn downwards; when the overturning motor rotates reversely, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn upwards.

Preferably, the anticreep couple includes rings and couple, the top welding of couple has rings, rings are used for connecting the lower extreme of stay cord, the side welding of couple has the fixed axle, one side of couple is equipped with the locating part, the rectangular hole has been seted up to the side of locating part, the rectangular hole cover is established on the surface of fixed axle for the inner wall in rectangular hole is along the surface slip of fixed axle, the one end of locating part extends to the other end surface of couple, the mounting groove has been seted up to the one end of locating part, the other end welding of couple has first double-screw bolt, the surface at first double-screw bolt is established to the mounting groove cover, the one end welding of locating part has the fixed block, the surface cover of first double-screw bolt is equipped with the mounting panel, the through-hole that corresponds with the fixed block position is seted up to the one end of mounting panel, the surface at the fixed block is established to the through-hole cover, the surface thread bush of first double-screw bolt is equipped with the screwed pipe, the one end of screwed pipe and the surface contact of mounting panel.

Preferably, a fixing piece is arranged on one side of the limiting piece and positioned inside the hook, and a plurality of connecting blocks are welded between the fixing piece and the limiting piece; the connecting blocks are at least three and are arranged at equal angles.

Preferably, the inner wall of the hook is provided with a groove, and the groove is arc-shaped; a screw hole is formed in the surface of the hook, a second stud is installed inside the screw hole in a threaded mode, a first baffle is welded at one end of the second stud, and the radial size of the second stud is smaller than the width of the strip hole; one end of the fixed shaft is provided with a second baffle plate through a screw, and the surface of the second baffle plate is in contact with the surface of the limiting piece; the limiting piece and the long hole are both arc-shaped; the hanging ring and the hook are of an integrally formed structure.

Compared with the prior art, the invention has the beneficial effects that:

1. after the reed is cut and shaped, the left end and the right end of the leaf spring are inserted and fixed in the left upright post and the right upright post before being put into a quenching bath, and the leaf spring is inserted and fixed in the steel plate spring feeding cart through the left upright post and the right upright post so as to be put into an electric heating furnace to be heated once and reach the specified temperature, so that a steam film stage, a boiling stage and a convection stage in the quenching operation can be smoothly carried out, and the quenching quality is ensured. The applicant designs automatic quenching equipment matched with the process method, can realize automatic feeding and heating and automatic material transferring to a quenching position, realize multi-step linkage implementation, realize full-process automatic design, ensure the operation safety without manual contact of transferring reeds by workers.

2. The upset type quenching container that designs in this patent can overturn automatically, when needs are received and are held the leaf spring, makes open end down, utilizes lifting device to drive about the pole setting draw in upset type quenching container together with the leaf spring in, until taut back, makes upset type quenching container rotate to open end up, then injects the quenching liquid into upset type quenching container through the quenching liquid catheter. After the quenching step is completed, the liquid outlet valve is opened, the waste liquid is led into the waste liquid collecting box from the liquid outlet hole and the liquid outlet pipe, the turnover quenching container is rotated, the open end of the turnover quenching container faces downwards again, and the plate spring is dismounted by reverse operation. The structure adopts an intensive design, occupies small area and is convenient for small-batch or test piece production operation. Because the new quenching liquid can be replaced every time of quenching, the components in the quenching liquid can be ensured to be flexible and adjustable, the experimental data can be conveniently recorded and collected, and the formula and the temperature can be adjusted more in time.

3. This patent leaf spring stack pallet have concurrently and transmit the leaf spring and fill the effect of sealing electric heating furnace between the station of difference, heat-resisting and use intensity are high, and it is more convenient to use. The left and right damping sealing springs are arranged, so that the high-resistance vehicle plate can be in soft contact with the open end of the electric heating furnace and is gradually compressed and sealed, the lining of the refractory brick is prevented from being damaged by rigid contact, and the service life is prolonged.

4. The existing lifting hook usually uses a sealing type lifting hook, and when the sealing type lifting hook is connected with a lifting ring on a lifting frame, the closing part and the lifting hook are connected through a spring and a rotating part, so the closing part on the lifting hook still needs to be pressed, and after one end of the closing part is far away from the lifting hook, the lifting hook and the lifting ring can be connected, so the operation is simple, but the spring can be pushed only by using an increased force in the process of pressing the closing part, and if the operation is careless, the hands of workers are easily injured by clamping. The anti-falling hook is provided with the limiting piece, the fixed shaft, the first stud, the screw tube, the mounting plate, the through hole and the fixed block, wherein the limiting piece slides on the surface of the fixed shaft through the long hole, the operation of a worker can be facilitated when the mounting groove on the limiting piece is far away from or sleeved on the first stud, compared with the defect that the hand of the worker is easily injured and labouriously when the closing piece is pressed in the prior art, the limiting piece is pushed to slide on the fixed shaft when the anti-falling hook is used, and when the position of the limiting piece is fixed, the screw tube is only required to be rotated to abut against the surface of the mounting plate, so that the through hole is sleeved on the fixed block, the position of the limiting piece can be fixed, the safety and the convenience of the operation are improved, meanwhile, the waste of labor force is reduced, and the working efficiency is improved.

5. The invention is improved by a plurality of tests, has simple and durable structure and is suitable for popularization in the industry.

Drawings

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

FIG. 2 is a schematic view showing the fitting structure of the electric heating furnace and the steel plate spring feeding cart (the steel plate spring is in a heating state)

Fig. 3 is a schematic view of the matching structure of the turnover quenching container and the steel plate spring feeding car (feeding state);

FIG. 4 is a schematic diagram of the matching structure of the turnover quenching container and the steel plate spring feeding cart (quenching state);

FIG. 5 is a schematic view of the internal structure of an inversion-type quenching vessel;

FIG. 6 is a schematic structural view of the leaf spring hopper car (low travel state);

FIG. 7 is a schematic structural view of a steel plate spring feeding car (high feeding state);

FIG. 8 is an exploded view of the mounting of the left shock absorbing seal spring;

FIG. 9 is a first axial view of the anti-drop hook;

FIG. 10 is an enlarged view of the portion A of FIG. 9;

FIG. 11 is a second isometric view of the anti-drop latch;

FIG. 12 is a schematic view of a connection structure of the hook, the fixing shaft and the second stud of the anti-drop hook.

In the figure: 1. an anti-drop hook; 1.1, a first baffle; 1.2, a hanging ring; 1.3, a limiting piece; 1.4, long holes; 1.5, a second baffle; 1.6, a groove; 1.7, hanging hooks; 1.8, fixing blocks; 1.9, a first stud; 1.10, a coil; 1.11, mounting a plate; 1.12, a through hole; 1.13, screw holes; 1.14, a fixed shaft; 1.15, a second stud; 1.16, a fixing piece; 1.17, connecting blocks; 1.18, mounting grooves;

2. overturning the motor mounting arm; 3. turning over the quenching container; 4. turning over a motor; 5. a spindle gear; 6. turning over the driving gear; 7. a front cross member; 8. a gantry support; 9. a left hoisting hanging ring; 10. a left upright stanchion; 11. a refractory brick laying layer; 12. a metal substrate; 13. a left front roller; 14. a left hoist cable; 15. a left leg; 16. a left leg hinge shaft; 17. an insole; 18. an electric capstan driving motor; 19. a reel; 20. a right leg hinge shaft; 21. a right hoist cable; 22. a right leg; 23. a right front roller; 24. a liquid outlet valve; 25. a column; 26. perforating a pull rope; 27. sealing the weather-resistant rubber ring; 28. pulling a rope; 29. a rope pulling reel; 30. a lifting drive motor; 31. an outsole; 32. an inner cavity; 33. a left front hinged plate; 34. a right front hinge plate; 35. a steel plate spring feeding car; 36. an electric heating device; 37. an electric heating furnace; 38. lining of refractory bricks; 39. a furnace body; 40. a left rear hinged plate; 41. a left damping seal spring; 42. a circular hanging ring.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

Example one

As shown in figure 1, the automatic feeding type steel plate spring quenching equipment comprises a gantry support, an electric heating furnace, a quenching device and a steel plate spring feeding trolley, wherein the gantry support comprises a transverse upper frame body and at least four stand columns, and the upper frame body is fixed on the ground through the stand columns; the quenching device and the electric heating furnace are both arranged on the upper frame body; the quenching device comprises a turnover quenching container and a quenching container rotating device, and the turnover quenching container is arranged on an upper frame of the gantry support through the quenching container rotating device; a quenching liquid guide pipe is arranged above the gantry support, and the front end of the quenching liquid guide pipe is communicated with the liquid storage box body through a liquid guide pump; a liquid outlet hole is formed in the side part of the bottom of the turnover quenching container and communicated with a waste liquid collecting box through a liquid outlet pipe; a liquid outlet valve is arranged on the liquid outlet hole; the steel plate spring feeding trolley can convey the steel plate spring into an electric heating furnace for heating operation, and then convey the steel plate spring to a quenching device for quenching treatment.

As shown in fig. 1 and 2, the upper frame includes a front cross beam and a rear cross beam, the electric heating furnace includes a furnace body, a lower end of the furnace body is open, and the furnace body is fixed between the front cross beam and the rear cross beam of the upper frame; an electric heating device is arranged in the furnace body; the steel plate spring feeding trolley comprises a lifting type travelling mechanism and a high-resistance trolley plate, wherein the high-resistance trolley plate is arranged on the lifting type travelling mechanism, and the lifting type travelling mechanism can drive the high-resistance trolley plate to lift and lift the steel plate spring placed on the high-resistance trolley plate to the electric heating furnace until the high-resistance trolley plate completely seals a lower end opening of the electric heating furnace; the inner wall of the furnace body of the electric heating furnace is provided with a refractory brick lining.

The high-resistance car plate comprises a metal substrate, and a refractory brick placing layer is riveted on the metal substrate; when the high-resistance car plate completely seals the electric heating furnace, the refractory brick lining and the refractory brick laying layer are closed to form a closed heating space.

As shown in fig. 6 and 7, a left vertical rod jack and a right vertical rod jack are arranged on the refractory brick placing layer, a left vertical rod is inserted into the left vertical rod jack, and a right vertical rod is inserted into the right vertical rod jack; a plurality of left inserting spring holes and right inserting spring holes are respectively and longitudinally formed in the left vertical rod and the right vertical rod, and the left end and the right end of the plate spring are respectively inserted and fixed in the left inserting spring holes and the right inserting spring holes; and a left hoisting hanging ring and a right hoisting hanging ring are respectively fixed at the upper ends of the left upright rod and the right upright rod.

The lifting type travelling mechanism comprises a left leg and a right leg, and a left leg hinge shaft and a right leg hinge shaft are respectively arranged at the upper ends of the left leg and the right leg; the electric winch device is arranged in the middle of the lower bottom surface of the metal base plate, a left front hinged plate and a left rear hinged plate are sequentially arranged on the left side of the electric winch device from front to back, the left front hinged plate and the left rear hinged plate are fixed on the lower bottom surface of the metal base plate, penetrating left hinged through holes are formed in the left front hinged plate and the left rear hinged plate, and the front end and the rear end of the left leg hinged shaft are respectively inserted into the left hinged through holes; a right front hinge plate and a right rear hinge plate are sequentially arranged on the right side of the electric winch device from front to back, the right front hinge plate and the right rear hinge plate are fixed on the lower bottom surface of the metal base plate, right hinge through holes penetrating through the right front hinge plate and the right rear hinge plate are formed in the right front hinge plate and the right rear hinge plate, and the front end and the rear end of the right leg hinge shaft are respectively inserted in the right hinge through holes; the lower ends of the left leg and the right leg are respectively hinged with the middle parts of the left cross rod and the right cross rod, the front end and the rear end of the left cross rod are respectively provided with a left front roller and a left rear roller, and the front end and the rear end of the right cross rod are respectively provided with a right front roller and a right rear roller; the electric winch device comprises an electric winch wheel driving motor, a winch wheel, a left winch cable and a right winch cable, wherein the electric winch wheel driving motor is installed in the middle of the lower bottom surface of the metal base plate, a fixed winch wheel is installed on a motor shaft of the electric winch wheel driving motor, the front ends of the left winch cable and the right winch cable are wound on the winch wheel, and the rear ends of the left winch cable and the right winch cable are respectively connected with the lower parts of the left supporting leg and the right supporting leg; when the electric reel drives the motor to rotate in the forward direction, the electric reel can drive the reel to rotate and tighten the left and right winches simultaneously, so that the lower parts of the left and right support legs are closed, and meanwhile, the high-resistance vehicle plate is lifted; when the electric capstan driving motor rotates reversely, the electric capstan can rotate and release the left and right winches simultaneously, so that the lower parts of the left and right supporting legs are relatively far away, and the high-resistance vehicle plate is lowered.

As shown in fig. 8, a left damping sealing spring is longitudinally arranged between the left front hinge plate and the left rear hinge plate, the upper end of the left damping sealing spring is welded and fixed on the lower bottom surface of the metal base plate, and the lower end of the left damping sealing spring is sleeved on the left leg hinge shaft through a circular suspension ring; and a right damping sealing spring is longitudinally arranged between the right front hinge plate and the right rear hinge plate, the upper end of the right damping sealing spring is welded and fixed on the lower bottom surface of the metal base plate, and the lower end of the right damping sealing spring is sleeved on a hinge shaft of the right support leg through a circular suspension ring.

As shown in fig. 5, a double bottom layer is arranged at the bottom of the turnover quenching container, the double bottom layer comprises an inner bottom and an outer bottom, the inner bottom, the outer bottom and the peripheral wall enclose to form a sealed inner cavity, a lifting device is arranged in the inner cavity, the lifting device comprises a lifting driving motor, a motor shaft of the lifting driving motor is connected with a pull rope reel, the pull rope reel is wound with the front end of a pull rope, a pull rope through hole is formed in the inner bottom, the rear end of the pull rope penetrates through the pull rope through hole of the inner bottom and then is connected with an anti-falling hook, and the anti-falling hook can hook a left lifting hanging ring or a right lifting hanging ring; and a sealing weather-resistant rubber ring is arranged between the pull rope perforation and the pull rope.

As shown in fig. 3 and 4, a front rotating shaft and a rear rotating shaft are respectively installed on the front side surface and the rear side surface of the turnover quenching container, a front bearing seat and a rear bearing seat are respectively fixed on the opposite side surfaces of the front cross beam and the rear cross beam, and the front rotating shaft and the rear rotating shaft are respectively inserted and fixed on the front bearing seat and the rear bearing seat; a rotating shaft gear is coaxially installed on the front rotating shaft through a fixing pin; the middle part of the front cross beam is provided with an overturning motor mounting arm, an overturning motor is fixed on the overturning motor mounting arm, an overturning driving gear is sleeved on a motor shaft of the overturning motor, and the overturning driving gear is meshed with a rotating shaft gear; when the overturning motor rotates forwards, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn downwards; when the overturning motor rotates reversely, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn upwards.

When the fireproof brick placing layer is used, the cut and shaped steel plate springs are inserted into the left inserting spring holes and the right inserting spring holes of the left vertical rod and the right vertical rod one by one, and the components are inserted into the left vertical rod inserting holes and the right vertical rod inserting holes in the fireproof brick placing layer.

Firstly, the leaf spring feeding trolley drives the leaf spring to the position below the electric heating furnace, the electric reel driving motor rotates positively to drive the reel to rotate and tighten the left reel and the right reel simultaneously, the lower parts of the left supporting leg and the right supporting leg are closed, the high-resistance trolley plate is lifted simultaneously, the leaf spring enters the furnace body, and the electric heating device is started to heat the leaf spring to a specified temperature. When the electric capstan driving motor rotates reversely, the electric capstan can rotate and release the left capstan and the right capstan at the same time, so that the lower parts of the left leg and the right leg are relatively far away, and the high-resistance plate descends to drive the plate spring to discharge from the lower part of the plate spring.

Then, leaf spring is driven to upset type quenching container's below by the leaf spring stack pallet, and the open end of upset type quenching container this moment is down, and the workman is manual articulates left hoist and mount link and right hoist and mount link with the anticreep couple, draws driving motor and drives the stay cord reel and rotate, makes the stay cord tighten up and draws in leaf spring gets into upset type quenching container. The overturning quenching container is rotated until the open end faces upwards, and then the quenching liquid is injected into the overturning quenching container through the quenching liquid guide pipe. After the quenching step is completed, the liquid outlet valve is opened, the waste liquid is led into the waste liquid collecting box from the liquid outlet hole and the liquid outlet pipe, the turnover quenching container is rotated, the open end of the turnover quenching container faces downwards again, and the plate spring is dismounted by reverse operation.

Example two

As shown in fig. 6-9, the anti-drop hook facilitates connection of the lower end of the stay cord with the hanging ring, the inner wall of the hook is provided with a groove, the groove is arc-shaped, and the groove is used for limiting the left hanging ring or the right hanging ring, so that the safety in the hanging process is improved. Rings and couple are the integrated into one piece structure for improve the stability of connecting between left side hoist and mount link or right side hoist and mount link and the couple, and then improved the intensity of this lifting hook, improve the security of object at the hoist and mount in-process.

The side welding of couple has the fixed axle, and the screw is passed through to the one end of fixed axle and is installed the second baffle, the surface contact of the surface of second baffle and locating part. The second baffle is arranged and used for limiting the limiting part, the limiting part is prevented from falling off from the fixed shaft, and the stability of the limiting part in the surface sliding process of the fixed shaft is improved.

One side of couple is equipped with the locating part, and one side of locating part is equipped with the mounting, and the mounting is located the inside of couple, and the welding has a plurality of connecting blocks between mounting and the locating part. The connecting block is equipped with threely at least, angular arrangement such as three connecting block, because at left hoist and mount link or right hoist and mount link at the in-process of hoist and mount transport, if take place to rock, make left hoist and mount link or right hoist and mount link at the surface slip of couple, because the setting of locating part, although left hoist and mount link or right hoist and mount link from the couple landing have been prevented, but left hoist and mount link or right hoist and mount link strengthen to the effort of locating part, in order to improve the compressive strength of locating part, the cooperation of mounting and connecting block is used, taking place the slip in-process, effort is exerted to the surface of mounting to left hoist and mount link or right hoist and mount link, a compressive strength for improving the locating part, and then play the effect of protection to the locating part.

The elongated hole has been seted up to the side of locating part, and the elongated hole cover is established on the surface of fixed axle for the inner wall in elongated hole slides along the surface of fixed axle, and the elongated hole slides on the surface of fixed axle for play spacing effect to the locating part, and then improved the gliding stability of locating part on the fixed axle surface. The locating part and rectangular hole all are circular-arcly, have made things convenient for the staff to operate the locating part and have fixed the surperficial slip of axle again for improve the stability of locating part at the slip in-process, circular-arc locating part still has certain compressive property moreover, has improved the compressive strength of locating part.

The one end of locating part extends to the other end surface of couple, and the mounting groove has been seted up to the one end of locating part, and the other end welding of couple has first double-screw bolt, and the mounting groove cover is established on the surface of first double-screw bolt, and the one end welding of locating part has the fixed block, and the surface cover of first double-screw bolt is equipped with the mounting panel, and the through-hole that corresponds with the fixed block position is seted up to the one end of mounting panel, and the through-hole cover is established on the surface of fixed block, and the surface thread cover of first double-screw bolt is equipped with the screwed pipe, the one end of screwed pipe and the surface contact of mounting panel. Through-hole and fixed block set up, the through-hole cover is established on fixed surface for improve the stability of connecting between mounting panel and the locating part, and then improve the stability of connecting between locating part and the couple, guaranteed the stability of hoist and mount frame rings hang on the couple, improved the stability of hoist and mount frame in hoist and mount transportation process.

The surface of the hook is provided with a screw hole, a second stud is installed in the screw hole through threads, a first baffle is welded at one end of the second stud, the radial size of the second stud is smaller than the width of the strip hole, when the hook is connected with the left hoisting hanging ring or the right hoisting hanging ring, the limiting part needs to be moved, when the hook is conveniently connected with a hoisting ring on a hoisting frame, the first baffle is rotated firstly, the first baffle drives the second stud to rotate in the screw hole, then the second stud is moved out of the screw hole, the screw pipe can be rotated, after the screw pipe moves on the first stud for a certain distance, the mounting plate can be pulled, after the mounting plate is taken out of the fixing block, the limiting part can be conveniently acted, after the limiting part is stressed, the strip hole slides on the surface of the fixing shaft, when one end of the limiting part is moved to correspond to the position of the screw hole, the second stud is installed in the screw hole, after the surface of the first baffle is in contact with the surface of the limiting part, the position of the limiting part is fixed, the connection of the hook and the left hoisting hanging ring or the right hoisting hanging ring is facilitated, and the connection line of the operation is improved. The solenoid and the setting of first stud, the solenoid is threaded transmission on first stud, conveniently promotes the mounting panel promptly and slides on the surface of first stud, still can improve the stability of connecting between mounting panel and the fixed block.

After lifting hook and left hoist link or right hoist link are connected and are accomplished, can the first baffle of antiport, first baffle drives the second double-screw bolt and takes out the back from the screw, can promote the locating part to reset, after establishing the mounting groove cover on first double-screw bolt, can the antiport solenoid, the solenoid rotates at the surface screw thread of first double-screw bolt, the solenoid of being convenient for promotes the mounting panel at the surface slip of first double-screw bolt, after establishing the through-hole cover on the mounting panel at the surface of fixed block, can accomplish the fixed to the locating part position, the stability of connecting between locating part and the couple has been improved.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an automatic material loading formula leaf spring quenching equipment which characterized in that: the quenching device comprises a gantry support, an electric heating furnace, a quenching device and a steel plate spring feeding trolley, wherein the gantry support comprises a transverse upper frame body and at least four stand columns, and the upper frame body is fixed on the ground through the stand columns; the quenching device and the electric heating furnace are both arranged on the upper frame body; the quenching device comprises an overturning quenching container and a quenching container rotating device, and the overturning quenching container is arranged on an upper frame body of the gantry support through the quenching container rotating device; a quenching liquid guide pipe is arranged above the gantry support, and the front end of the quenching liquid guide pipe is communicated with the liquid storage box body through a liquid guide pump; a liquid outlet hole is formed in the side part of the bottom of the turnover quenching container and communicated with a waste liquid collecting box through a liquid outlet pipe; a liquid outlet valve is arranged on the liquid outlet hole; the steel plate spring feeding trolley can convey the steel plate spring into an electric heating furnace for heating operation, and then convey the steel plate spring to a quenching device for quenching treatment;

the method comprises the following steps that a composite bottom layer is arranged at the bottom of a turnover quenching container, the composite bottom layer comprises an inner bottom and an outer bottom, the inner bottom, the outer bottom and peripheral walls are enclosed to form a sealed inner cavity, a lifting device is arranged in the inner cavity and comprises a lifting driving motor, a motor shaft of the lifting driving motor is connected with a stay cord reel, the front end of a stay cord is coiled on the stay cord reel, a stay cord through hole is formed in the inner bottom, the rear end of the stay cord penetrates through the stay cord through hole of the inner bottom and then is connected with an anti-falling hook, and the anti-falling hook can hook a left lifting hanging ring or a right lifting hanging ring; a sealing weather-resistant rubber ring is arranged between the pull rope through hole and the pull rope;

the electric heating furnace comprises a furnace body, the lower end of the furnace body is open, and the furnace body is fixed between the front cross beam and the rear cross beam of the upper frame body; an electric heating device is arranged in the furnace body; the steel plate spring feeding trolley comprises a lifting type travelling mechanism and a high-resistance trolley plate, wherein the high-resistance trolley plate is arranged on the lifting type travelling mechanism, and the lifting type travelling mechanism can drive the high-resistance trolley plate to lift and lift the steel plate spring placed on the high-resistance trolley plate to the electric heating furnace until the high-resistance trolley plate completely seals a lower end opening of the electric heating furnace; the inner wall of a furnace body of the electric heating furnace is provided with a refractory brick lining; the high-resistance car plate comprises a metal substrate, and a refractory brick placing layer is riveted on the metal substrate; when the high-resistance lathing plate completely seals the electric heating furnace, the refractory brick lining and the refractory brick placing layer are closed to form a sealed heating space;

a left upright rod jack and a right upright rod jack are arranged on the refractory brick placing layer, a left upright rod is inserted into the left upright rod jack, and a right upright rod is inserted into the right upright rod jack; a plurality of left inserting spring holes and right inserting spring holes are respectively and longitudinally formed in the left vertical rod and the right vertical rod, and the left end and the right end of the plate spring are respectively inserted and fixed in the left inserting spring holes and the right inserting spring holes; a left hoisting hanging ring and a right hoisting hanging ring are respectively fixed at the upper ends of the left upright rod and the right upright rod;

the lifting type travelling mechanism comprises a left supporting leg and a right supporting leg, and a left supporting leg hinge shaft and a right supporting leg hinge shaft are respectively arranged at the upper ends of the left supporting leg and the right supporting leg; the electric winch device is arranged in the middle of the lower bottom surface of the metal base plate, a left front hinged plate and a left rear hinged plate are sequentially arranged on the left side of the electric winch device from front to back, the left front hinged plate and the left rear hinged plate are fixed on the lower bottom surface of the metal base plate, penetrating left hinged through holes are formed in the left front hinged plate and the left rear hinged plate, and the front end and the rear end of the left leg hinged shaft are respectively inserted into the left hinged through holes; a right front hinge plate and a right rear hinge plate are sequentially arranged on the right side of the electric winch device from front to back, the right front hinge plate and the right rear hinge plate are fixed on the lower bottom surface of the metal base plate, right hinge through holes penetrating through the right front hinge plate and the right rear hinge plate are formed in the right front hinge plate and the right rear hinge plate, and the front end and the rear end of the right leg hinge shaft are respectively inserted in the right hinge through holes; the lower ends of the left leg and the right leg are respectively hinged with the middle parts of the left cross rod and the right cross rod, the front end and the rear end of the left cross rod are respectively provided with a left front roller and a left rear roller, and the front end and the rear end of the right cross rod are respectively provided with a right front roller and a right rear roller; the electric winch device comprises an electric winch wheel driving motor, a winch wheel, a left winch cable and a right winch cable, wherein the electric winch wheel driving motor is arranged in the middle of the lower bottom surface of the metal substrate; when the electric reel drives the motor to rotate in the forward direction, the reel can be driven to rotate and the left and right winches are tightened simultaneously, so that the lower parts of the left and right support legs are closed, and meanwhile, the high-resistance vehicle plate is lifted; when the electric capstan driving motor rotates reversely, the electric capstan can rotate and release the left and right winches simultaneously, so that the lower parts of the left and right supporting legs are relatively far away, and the high-resistance vehicle plate is lowered.

2. The automatic feeding type steel plate spring quenching equipment as claimed in claim 1, wherein: a left damping sealing spring is longitudinally arranged between the left front hinge plate and the left rear hinge plate, the upper end of the left damping sealing spring is welded and fixed on the lower bottom surface of the metal base plate, and the lower end of the left damping sealing spring is sleeved on the left leg hinging shaft through a circular hanging ring;

and a right damping sealing spring is longitudinally arranged between the right front hinge plate and the right rear hinge plate, the upper end of the right damping sealing spring is welded and fixed on the lower bottom surface of the metal substrate, and the lower end of the right damping sealing spring is sleeved on a right supporting leg hinge shaft through a circular suspension ring.

3. The automatic feeding type steel plate spring quenching equipment as claimed in claim 2, wherein: a front rotating shaft and a rear rotating shaft are respectively arranged on the front side surface and the rear side surface of the turnover quenching container, a front bearing seat and a rear bearing seat are respectively fixed on the opposite side surfaces of the front cross beam and the rear cross beam, and the front rotating shaft and the rear rotating shaft are respectively inserted and fixed on the front bearing seat and the rear bearing seat; a rotating shaft gear is coaxially installed on the front rotating shaft through a fixing pin; the middle part of the front cross beam is provided with an overturning motor mounting arm, an overturning motor is fixed on the overturning motor mounting arm, an overturning driving gear is sleeved on a motor shaft of the overturning motor, and the overturning driving gear is meshed with a rotating shaft gear; when the overturning motor rotates forwards, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn downwards; when the overturning motor rotates reversely, the overturning driving gear can be meshed to drive the rotating shaft gear and the open end of the overturning quenching container to overturn upwards.

4. The automatic feeding type steel plate spring quenching equipment as claimed in claim 3, wherein: the anticreep couple includes rings and couple, the top welding of couple has rings, rings are used for connecting the lower extreme of stay cord, the side welding of couple has the fixed axle, one side of couple is equipped with the locating part, the rectangular hole has been seted up to the side of locating part, the rectangular hole cover is established on the surface of fixed axle for the inner wall in rectangular hole is along the surface slip of fixed axle, the one end of locating part extends to the other end surface of couple, the mounting groove has been seted up to the one end of locating part, the other end welding of couple has first double-screw bolt, the mounting groove cover is established on the surface of first double-screw bolt, the one end welding of locating part has the fixed block, the surperficial cover of first double-screw bolt is equipped with the mounting panel, the through-hole that corresponds with the fixed block position is seted up to the one end of mounting panel, the through-hole cover is established on the surface of fixed block, the surperficial thread bush of first double-screw bolt is equipped with the screwed pipe, the one end of screwed pipe and the surface contact of mounting panel.

5. The automatic feeding type steel plate spring quenching equipment as claimed in claim 4, wherein a fixing member is arranged at one side of the limiting member, the fixing member is positioned inside the hook, and a plurality of connecting blocks are welded between the fixing member and the limiting member; the connecting blocks are at least three and are arranged at equal angles.

6. The automatic feeding type steel plate spring quenching equipment as claimed in claim 5, wherein the inner wall of the hook is provided with a groove, and the groove is arc-shaped; a screw hole is formed in the surface of the hook, a second stud is installed in the screw hole in a threaded mode, a first baffle is welded at one end of the second stud, and the radial size of the second stud is smaller than the width of the strip hole; one end of the fixed shaft is provided with a second baffle plate through a screw, and the surface of the second baffle plate is in contact with the surface of the limiting piece; the limiting piece and the long hole are both arc-shaped; the hanging ring and the hook are of an integrally formed structure.