CN112692140A

CN112692140A - Automobile plate spring processing equipment

Info

Publication number: CN112692140A
Application number: CN202110023323.2A
Authority: CN
Inventors: 王蒙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-04-23

Abstract

The invention discloses automobile plate spring processing equipment, and particularly relates to the field of automobile parts. The driving plate is driven to move downwards through contraction of the hydraulic lifting device, so that the function of stamping a workpiece by moving the arched pressing plate downwards to enable the workpiece to be stamped into an arched shape is realized, the function of uniformly heat treating the workpiece by forming the full-circle heating ring by mutually clamping the upper half heating ring and the lower half heating ring is also realized, and the bending function of bending the end part of the workpiece by the U-shaped clamping plate to form the lug section is also realized.

Description

Automobile plate spring processing equipment

Technical Field

The invention relates to the technical field of automobile parts, in particular to automobile plate spring machining equipment.

Background

The automobile plate spring is the most traditional elastic element in an automobile suspension system, and is widely applied due to the advantages of good reliability, simple structure, short manufacturing process flow, low cost, greatly simplified structure and the like. The automobile plate spring is generally a group of spring beams with similar equal strength, which are formed by combining a plurality of alloy spring steels with different lengths. In addition to the function of buffering, when the suspension system is arranged in the longitudinal direction of the automobile and one end of the suspension system is fixedly hinged with the frame, the suspension system can transmit all forces and moments in all directions and determine the movement track of wheels to play a role of guiding, so that other guiding mechanisms are not needed to be arranged.

However, when the existing automobile plate spring processing equipment is actually used, the existing automobile plate spring processing equipment still has more defects, for example, each processing procedure needs to be carried out on separate special equipment, and different equipment needs to occupy a large space and is not beneficial to the arrangement and automation of a production line; and each equipment can only execute one processing action, the equipment utilization rate is low, the energy consumption is high, special personnel also need to be arranged for operating different equipment, the great labor waste is caused, and the labor intensity of workers is improved.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide an automobile plate spring processing apparatus, and the problems to be solved by the present invention are: the existing automobile plate spring processing equipment is single in function and poor in practicability.

In order to achieve the purpose, the invention provides the following technical scheme: an automobile plate spring processing device comprises a box body, wherein a guide rail which is distributed up and down is fixedly embedded between two inner walls of the box body, two sliders which are symmetrically arranged relative to the central section of the box body are arranged on the guide rail in a sliding mode, a fixed shaft is fixedly arranged at the central position of one side of each slider, a hydraulic lifting device is fixedly arranged at the bottom of an inner cavity of the box body, a driving plate is fixedly arranged at the top end of the hydraulic lifting device, two strip-shaped holes which are symmetrically arranged relative to the central section of the box body are formed in one side of the driving plate in a penetrating mode, the two strip-shaped holes are arranged in an inverted V shape, the fixed shaft is movably arranged in the strip-shaped holes, a fixed die is fixedly arranged on the inner walls of the box body, an;

the heating device comprises a driving plate, a connecting frame, a mounting plate, an extrusion mounting seat, a movable rod, an arched pressing plate, a push rod, an upper heating ring, a lower heating ring, a slider and a guide rail, wherein the connecting frame is fixedly mounted on two sides of the driving plate, the mounting plate is fixedly mounted at the top end of the connecting frame, the extrusion mounting seat is fixedly mounted at the middle position of the bottom of the mounting plate, the movable rod is arranged at the bottom of the extrusion mounting seat, the arched pressing plate is positioned right above a workpiece, first telescopic rods are fixedly mounted on two sides of the extrusion mounting seat, one end, away from the extrusion mounting seat, of each first telescopic rod is fixedly mounted with the push rod, the upper heating ring is fixedly mounted at the bottom end of the push rod, the lower;

the utility model discloses a slide block, including the guide rail top, the pivot is close to the work piece, the top of slider is fixed with the curb plate, one side of curb plate is rotated and is installed first gear, is located the top the equal fixed mounting in guide rail top both sides has the symmetry to be provided with the rack, just first gear and rack toothing connect, one side activity through-mounting of curb plate has the pivot that is located first gear top, the one end fixed mounting that the pivot is close to the work piece has the U-shaped cardboard, just the U-shaped cardboard suit is on the work piece, the one end fixed mounting that the U-shaped cardboard was kept away from in the pivot has the cooperation voussoir, fixed cover is equipped with the second gear on the.

In a preferred embodiment, the inner wall of the box body is fixedly provided with two first wedges and two second wedges which are close to the ends of the guide rail, the two first wedges and the two second wedges are symmetrically arranged relative to the central section of the box body, the first wedges and the second wedges are arranged in a staggered mode, and the first wedges and the second wedges are arranged corresponding to the matching wedges.

In a preferred embodiment, the fixed workbin that is equipped with that inlays in the inner chamber top of box, the board is placed to bottom one side fixed mounting of workbin has the short, the board is placed for L shape structure to the short, just one side that the board was placed to the short runs through and has seted up the discharge gate, just the height of discharge gate corresponds the setting with the top of cover half, one side that the extrusion mount pad was kept away from to the workbin is provided with pushing equipment.

In a preferred embodiment, pushing equipment includes the second telescopic link, second telescopic link fixed mounting is in one side of workbin, just the one end fixed mounting that the workbin was kept away from to the second telescopic link has the cooperation piece, the cover is equipped with the second spring on the flexible end pole wall of second telescopic link, the stiff end pole wall bottom fixed mounting of second telescopic link has spacing, one side bottom fixedly connected with push rod of second spring, the push rod activity runs through spacing and extends to in the discharge gate.

In a preferred embodiment, an L-shaped rod is fixedly installed at the middle position of the top of the driving plate, a third wedge is fixedly installed at one end, away from the driving plate, of the L-shaped rod, and the third wedge and the second spring are arranged in a matched and pressed mode.

In a preferred embodiment, a groove is formed in the extrusion mounting seat, the top end of the movable rod is slidably arranged in the groove, a first spring is arranged in the groove, and two ends of the first spring are respectively fixedly connected with the groove and the top end of the movable rod.

In a preferred embodiment, clamping blocks are integrally formed on two sides of the bottom of the upper half heating ring, clamping grooves are formed in two sides of the top of the lower half heating ring, and the clamping blocks are in clamping fit with the clamping grooves.

In a preferred embodiment, the two side plates are located between the two upper heating rings, the cooperating wedges co-operating with the first wedge to compress when moving in opposite directions and the cooperating wedges co-operating with the second wedge to compress when moving towards each other.

The invention has the technical effects and advantages that:

1. the driving plate is driven to move downwards through contraction of the hydraulic lifting device, so that the function of stamping a workpiece by moving the arched pressing plate downwards to enable the workpiece to be stamped into an arched shape is realized, the function of uniformly heat treating the workpiece by forming the full-circle heating ring by mutually clamping the upper half heating ring and the lower half heating ring is also realized, and the bending function of bending the end part of the workpiece by the U-shaped clamping plate to form the lug section is also realized;

2. according to the automatic workpiece feeding and discharging device, the material box, the discharge port, the third wedge block and the material pushing mechanism are arranged, the driving plate moves upwards, the two sliding blocks move oppositely, the matching block is pressed to compress the second telescopic rod and the second spring, the push rod extends into the short placing plate from the discharge port, the workpieces stacked on the short placing plate are pushed, the workpieces are pushed out of the right side of the discharge port to the fixed die, feeding is achieved, the workpieces pushed into the fixed die push finished workpieces out of the fixed die, discharging is achieved, the functions of automatic workpiece feeding and automatic discharging of the device are achieved, the functions of the device are further increased, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic front sectional view of the overall structure of the present invention;

FIG. 2 is a schematic left side sectional view of the overall structure of the present invention;

FIG. 3 is a schematic top cross-sectional view of the overall structure of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the present invention illustrating the automatic loading of the drive plate of FIG. 4 when the drive plate is moved upward;

FIG. 6 is a schematic view showing the position of the work bin and the U-shaped clamp plate according to the present invention;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 8 is a schematic structural view of a finished workpiece processed according to the present invention.

The reference signs are: the device comprises a box body 1, a hydraulic lifting device 11, a fixed die 12, an arc-shaped groove 121, a feed box 13, a discharge hole 131, a first wedge block 14, a second wedge block 15, a guide rail 2, a rack 21, a sliding block 3, a fixed shaft 31, a heating ring 32 of the lower half, a clamping groove 321, a driving plate 4, a strip-shaped hole 41, a connecting frame 42, a mounting plate 43, a third wedge block 44, a rod 45L, a side plate 5, a first gear 51, a rotating shaft 52, a U-shaped clamping plate 53, a second gear 54, a matching wedge block 55, a squeezing mounting seat 6, a groove 61, a movable rod 62, an arched pressing plate 63, a first spring 64, a first telescopic rod 65, a push rod 66, an upper half heating ring 67, a block 671, a material pushing mechanism 7, a second telescopic rod 71, a second spring 72, a matching block 73, a limiting frame 74, a 75, a push.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The automobile plate spring processing equipment provided by the embodiment of the invention can comprise a box body 1, a guide rail 2 which is distributed up and down is fixedly embedded between two inner walls of the box body 1, two sliding blocks 3 which are symmetrically arranged relative to the central section of the box body 1 are arranged on the guide rail 2 in a sliding manner, each sliding block 3 is in an I-shaped structure, a fixed shaft 31 is fixedly arranged at the central position of one side of each sliding block 3, a hydraulic lifting device 11 is fixedly arranged at the bottom of an inner cavity of the box body 1, a driving plate 4 is fixedly arranged at the top end of each hydraulic lifting device 11, two strip-shaped holes 41 which are symmetrically arranged relative to the central section of the box body 1 are formed in one side of each driving plate 4 in a penetrating manner, the two strip-shaped holes 41 are arranged in an inverted V shape, the fixed shafts 31 are movably arranged in the strip-shaped holes 41, a fixed die 12, and the workpiece 9 is placed on the top of the fixed die 12.

Referring to the attached drawings 1 to 8 in the specification, the connecting frames 42 are fixedly mounted on both sides of the driving plate 4 of the automobile plate spring processing equipment according to the embodiment, the mounting plate 43 is fixedly mounted on the top end of the connecting frame 42, the extrusion mounting seat 6 is fixedly mounted at the middle position of the bottom of the mounting plate 43, the movable rod 62 is arranged at the bottom of the extrusion mounting seat 6, the arched pressing plate 63 is fixedly mounted at the bottom end of the movable rod 62, the arched pressing plate 63 is positioned right above the workpiece 9, the first telescopic rods 65 (the first telescopic rods 65 have the same performance as the second telescopic rods 71, that is, have the function of automatically recovering the original state) are fixedly mounted on both sides of the extrusion mounting seat 6, the ejector rods 66 are fixedly mounted at one end of the first telescopic rods 65 far away from the extrusion mounting seat 6 (the ejector rods 66 are telescopic rods having elasticity, that is, that has the same function of, the telescopic and restoring functions of the ejector rod 66 are realized conveniently), an upper half heating ring 67 is fixedly installed at the bottom end of the ejector rod 66, a lower half heating ring 32 is fixedly installed at the top of one side, away from the guide rail 2, of the slide block 3, and the upper half heating ring 67 is matched with the lower half heating ring 32;

the utility model discloses a slide block 3, including slider 3,

curb plate

5, 2 top both sides of guide rail, first gear 51, pivot 52, U-shaped cardboard 53, just U-shaped cardboard 53 suit is on work piece 9, the one end fixed mounting that U-shaped cardboard 53 was kept away from to pivot 52 has a cooperation voussoir 55, fixed cover is equipped with second gear 54 on the axial wall of pivot 52, just second gear 54 and first gear 51 mesh connection.

As shown in fig. 1 to 8, the implementation scenario specifically includes: in actual use, the product processed by the device is a plate spring as shown in fig. 6, the whole finished workpiece 10 is an arch-shaped part, and the two ends of the finished workpiece 10 are integrally formed with annular hanging lug sections 101; the hydraulic lifting device 11 is started to stretch and drive the driving plate 4 to move up and down, and due to the arranged inverted V-shaped strip-shaped hole 41, when the driving plate 4 moves down, the fixed shaft 31 is extruded by the hole wall in the strip-shaped hole 41 to drive the two sliding blocks 3 to move oppositely, when the driving plate 4 moves up, the two sliding blocks 3 can be driven to move oppositely, because the fixed die 12 is fixedly arranged on the inner wall of the box body 1, when all structures move, the fixed die 12 can not move, because the lower half heating ring 32 and the side plate 5 are fixedly connected with the sliding blocks 3, the lower half heating ring 32 and the side plate 5 can both move as same as the sliding blocks 3, and because the extrusion mounting seat 6 is fixedly connected with the two sides of the driving plate 4, the extrusion mounting seat 6 and the driving plate 4 can move as same; the workpiece 9 is placed on the fixed die 12, the hydraulic lifting device 11 is controlled to contract to drive the driving plate 4 to move downwards, when the two sliding blocks 3 move towards two sides, the extrusion mounting seat 6 moves downwards along with the driving plate 4 to drive the arched pressing plate 63 to move downwards to punch the workpiece 9, the workpiece 9 is forced to sink into the arc-shaped groove 121, the workpiece 9 is pressed and bent, and the function of punching the workpiece 9 into an arched shape by the device is achieved; when the extrusion mounting seat 6 moves downwards, the upper half heating ring 67 also moves downwards along with the extrusion mounting seat, when the lower half heating ring 32 moves to a corresponding position along with the slide block 3, the upper half heating ring 67 and the lower half heating ring 32 are mutually clamped to form a whole circular ring (after the upper half heating ring 67 and the lower half heating ring 32 are clamped, the slide block 3 slides outwards to drive the whole circular ring to move, the first telescopic rod 65 is stretched, when the upper half heating ring 67 moves upwards along with the drive plate 4 and the lower half heating ring 32 is released from the clamping state, the first telescopic rod 65 restores to deform to drive the upper half heating ring 67 to restore to an initial position), the heating ring is sleeved outside the workpiece 9, and is started to heat the workpiece 9 (the heating mode is high-frequency heating, and is not explained in detail for the prior art), so that the function that the device heats two ends of the workpiece 9 simultaneously to facilitate the subsequent bending of the workpiece 9 to form the hanger section 101 is realized; by arranging the side plates 5, the first gear 51, the rotating shaft 52, the U-shaped clamping plate 53 and the second gear 54, the two sliders 3 slide in opposite directions, so that the two side plates 5 also move in opposite directions, when the first gear 51 slides outwards along with the side plates 5, the first gear 51 is engaged with the rack 21, the first gear 51 rotates anticlockwise (taking the first gear 51 on the left side of fig. 1 as an example), the second gear 54 and the first gear 51 are engaged with each other, so that the first gear 51 rotates anticlockwise to drive the second gear 54 to rotate clockwise, further the rotating shaft 52 and the U-shaped clamping plate 53 both rotate clockwise, because the U-shaped clamping plate 53 is always sleeved outside the workpiece 9, the heated left end of the workpiece 9 is also bent clockwise under the clockwise rotation of the U-shaped clamping plate 53 to form the lug hanging section 101, and similarly, the right end of the workpiece 9 is also driven by the U-shaped clamping plate 53 on the side plate 5 on the right side to bend to form the lug section 101, thereby enabling the workpiece 9 to be processed into a finished workpiece 10 (shown in fig. 8); this device passes through hydraulic pressure elevating gear 11 shrink and drives drive plate 4 and move down promptly, has not only realized that arch clamp plate 63 moves down and carries out the punching press to work piece 9, makes work piece 9 become bow-shaped function by the punching press, has still realized the mutual joint of first heating ring 67 and second heating ring 32 and has formed the function that the whole circle heating ring carries out even heat treatment to work piece 9, and has still realized U-shaped cardboard 53 with the crooked bending function who forms hangers section 101 of work piece 9 tip, this embodiment has specifically solved the automobile plate spring processing equipment function singleness that exists among the prior art, the poor problem of practicality.

The inner wall of the box body 1 is fixedly provided with a first wedge block 14 and a second wedge block 15 which are close to the end part of the guide rail 2, the number of the first wedge block 14 and the second wedge block 15 is two, the first wedge block 14 and the second wedge block 15 are symmetrically arranged relative to the central section of the box body 1, the first wedge block 14 and the second wedge block 15 are arranged in a staggered mode, and the first wedge block 14 and the second wedge block 15 are arranged correspondingly to a matching wedge block 55.

The fixed workbin 13 that is inlayed at the inner chamber top of box 1, the board is placed to bottom one side fixed mounting of workbin 13 for the short time, the board is placed for the short time is L shape structure, just one side that the board was placed to the short time is run through and has been seted up discharge gate 131 (as shown in fig. 6, only can place a work piece 9 on the board is placed to the short time, push rod 75 stretches into from discharge gate 131 and promotes work piece 9 right, makes work piece 9 pushed on the cover half 12 and release finished product work piece 10 from cover half 12, and because the length of the board is placed to the short time in the length of workbin 13, consequently U-shaped cardboard 53 can not take place to interfere with workbin 13 when the side-to-side motion), just the height of discharge gate 131 corresponds the setting with the top of cover half 12, one side that extrusion.

Pushing equipment 7 includes second telescopic link 71, second telescopic link 71 fixed mounting is in one side of workbin 13, just the one end fixed mounting that workbin 13 was kept away from to second telescopic link 71 has cooperation piece 73, the cover is equipped with second spring 72 on the flexible end pole wall of second telescopic link 71, the stiff end pole wall bottom fixed mounting of second telescopic link 71 has spacing 74, one side bottom fixedly connected with push rod 75 of second spring 72, push rod 75 activity runs through spacing 74 and extends to in the discharge gate 131.

An L-shaped rod 45 is fixedly installed at the middle position of the top of the driving plate 4, a third wedge block 44 is fixedly installed at one end, far away from the driving plate 4, of the L-shaped rod 45, and the third wedge block 44 and a second spring 72 are arranged in a matched and extruded mode.

Recess 61 is seted up to the inside of extrusion mount pad 6, the top of movable rod 62 slides and locates in recess 61, the inside of recess 61 is provided with first spring 64, the both ends of first spring 64 respectively with recess 61 and movable rod 62 top fixed connection.

The fixture block 671 is integrally formed on two sides of the bottom of the upper half heating ring 67, the clamping grooves 321 are formed in two sides of the top of the lower half heating ring 32, the fixture block 671 is in clamping fit with the clamping grooves 321, when the upper half heating ring 67 and the lower half heating ring 32 are matched to form a whole heating circular ring, the fixture block 671 is in clamping fit with the clamping grooves 321, and the whole heating circular ring after clamping fit can move along with the movement of the sliding block 3 and move from the outer side of the workpiece 9, so that the whole end of the workpiece 9 can be subjected to heat treatment uniformly.

The two side plates 5 are positioned between the two upper half heating rings 67, the matching wedges 55 are in matched extrusion with the first wedges 14 when moving oppositely, and the matching wedges 55 are in matched extrusion with the second wedges 15 when moving oppositely, namely, the matching wedges are firstly matched with the first wedges 14 to draw the U-shaped clamping plate 53 out of the lug section 101 at the end part of the workpiece 9, and then are matched and extruded with the second wedges 15 to restore the rotating shaft 52, the U-shaped clamping plate 53 and the second gear 54 to the original positions on the side plates 5.

As shown in fig. 1 to 8, the implementation scenario specifically includes: in practical use, by arranging the first wedge block 14 and the second wedge block 15, when the two side plates 5 move in opposite directions, the side plates 5 drive the matching wedge block 55 to slide, when the U-shaped clamping plate 53 rotates to bend the end of the workpiece 9 into the lug section 101, the side plates 5 continue to slide in the downward movement process of the driving plate 4, the matching wedge block 55 is firstly matched with the first wedge block 14, the matching wedge block 55 is extruded by the first wedge block 14 to slide leftward (direction is described by the position of fig. 3), so as to drive the rotating shaft 52, the U-shaped clamping plate 53 and the second gear 54 to move leftward, further to draw out the U-shaped clamping plate 53 from the lug section 101 at the end of the workpiece 9, so as to avoid interference with the finished workpiece 10 which is already processed when the side plates 5 move upward and return to the original state on the driving plate 4, and when the driving plate 4 moves upward and the matching wedge block 55 returns, because the position of the matching wedge block, so that the matching wedge 55 and the second wedge 15 are matched and pressed, and the rotating shaft 52, the U-shaped clamping plate 53 and the second gear 54 can be restored to the original positions on the side plates 5; by arranging the feed box 13, the discharge port 131, the third wedge 44 and the pushing mechanism 7, when the hydraulic lifting device 11 is extended, the driving plate 4 moves upwards, the two sliding blocks 3 move towards each other, because the third wedge 44 is fixedly connected with the driving plate 4 through the L-shaped rod 45, the third wedge 44 moves along with the driving plate 4, when the driving plate 4 moves upwards (which indicates that the workpiece 9 has been processed into the finished workpiece 10 and the U-shaped clamping plate 53 has been extracted from the lug section 101), the third wedge 44 moves upwards to press the matching block 73, the matching block 73 is pressed to compress the second telescopic rod 71 and the second spring 72, and the push rod 75 moves rightwards (described in the position direction of fig. 5), the push rod 75 extends from the left side of the discharge port 131 to the short placing plate at the bottom of the feed box 13, pushes the workpiece 9 stacked on the short placing plate, and pushes the workpiece 9 out from the right side of the discharge port 131 to the fixed die 12 (the distance between the feed box 13 and the fixed die 12 is less than half of the, can avoid work piece 9 to drop in the promotion in-process), realize the material loading, work piece 9 that pushes on cover half 12 releases finished product work piece 10 that has already been processed from cover half 12, accomplish the unloading, the automatic work piece of going up of this device and the function of automatic unloading have been realized promptly, the function of device has further been increased, the practicality of device has been improved, and after automatic material loading is accomplished, because complete heating ring is returning the process and moving from the work piece 9 tip of just having carried out the material loading to the intermediate position, make complete heating ring carry out twice thermal treatment to work piece 9, and then the intensity of leaf spring has been improved effectively, be favorable to improving the leaf spring quality of producing, the problem that the automobile leaf spring processing equipment function singleness practicality that exists among the prior art is poor has specifically been solved to this embodiment.

In summary, the following steps: the invention drives the driving plate 4 to move up and down by the expansion and contraction of the hydraulic lifting device 11, when the driving plate 4 moves down, the fixed shaft 31 is extruded by the hole wall in the strip-shaped hole 41 to drive the two sliding blocks 3 to do opposite movement, when the driving plate 4 moves up, the two slide blocks 3 are driven to move oppositely, the drive plate 4 moves downwards, the function of stamping the workpiece 9 by downwards moving the arched press plate 63 to enable the workpiece 9 to be stamped into an arched shape is realized, the function of uniformly heat-treating the workpiece 9 by the whole-circle heating ring formed by mutually clamping the upper half heating ring 67 and the lower half heating ring 32 is also realized, and also realizes the bending function of the U-shaped clamping plate 53 for bending the end part of the workpiece 9 to form the hanger section 101, the drive plate 4 moves upwards, so that the functions of automatically feeding workpieces and automatically discharging materials of the device are realized, the functions of the device are further increased, and the practicability of the device is improved.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an automobile leaf spring processing equipment, includes box (1), its characterized in that: the improved box is characterized in that a guide rail (2) which is distributed up and down is fixedly embedded between two inner walls of the box body (1), two sliders (3) which are symmetrically arranged relative to the central section of the box body (1) are arranged on the guide rail (2) in a sliding manner, a fixed shaft (31) is fixedly arranged at the central position of one side of each slider (3), a hydraulic lifting device (11) is fixedly arranged at the bottom of an inner cavity of the box body (1), a driving plate (4) is fixedly arranged at the top end of the hydraulic lifting device (11), two strip-shaped holes (41) which are symmetrically arranged relative to the central section of the box body (1) are formed in one side of the driving plate (4) in a penetrating manner, the two strip-shaped holes (41) are arranged in an inverted V shape, the fixed shaft (31) is movably arranged in the strip-shaped holes (41), a fixed die (12) is fixedly arranged on the inner wall, a workpiece (9) is placed at the top of the fixed die (12);

the improved heating device is characterized in that connecting frames (42) are fixedly mounted on two sides of the driving plate (4), a mounting plate (43) is fixedly mounted on the top end of each connecting frame (42), an extrusion mounting seat (6) is fixedly mounted at the middle position of the bottom of the mounting plate (43), a movable rod (62) is arranged at the bottom of the extrusion mounting seat (6), an arch-shaped pressing plate (63) is fixedly mounted at the bottom end of the movable rod (62), the arch-shaped pressing plate (63) is located right above a workpiece (9), first telescopic rods (65) are fixedly mounted on two sides of the extrusion mounting seat (6), a push rod (66) is fixedly mounted at one end, away from the extrusion mounting seat (6), of each first telescopic rod (65), an upper half heating ring (67) is fixedly mounted at the bottom end of the push rod (66), and a lower half heating ring (32) is fixedly mounted at the top of one side, away from, the upper half heating ring (67) is matched with the lower half heating ring (32);

a side plate (5) is fixedly arranged on one side of the top of the sliding block (3), a first gear (51) is rotatably arranged on one side of the side plate (5), racks (21) are symmetrically arranged on both sides of the top of the guide rail (2) above the side plate, the first gear (51) is meshed and connected with the rack (21), one side of the side plate (5) is movably provided with a rotating shaft (52) which is positioned above the first gear (51) in a penetrating way, one end of the rotating shaft (52) close to the workpiece (9) is fixedly provided with a U-shaped clamping plate (53), the U-shaped clamping plate (53) is sleeved on the workpiece (9), one end of the rotating shaft (52) far away from the U-shaped clamping plate (53) is fixedly provided with a matching wedge block (55), and a second gear (54) is fixedly sleeved on the shaft wall of the rotating shaft (52), and the second gear (54) is meshed with the first gear (51).

2. The automobile plate spring machining apparatus according to claim 1, wherein: the inner wall of the box body (1) is fixedly provided with a first wedge block (14) and a second wedge block (15) which are close to the end part of the guide rail (2), the number of the first wedge block (14) and the second wedge block (15) is two, the first wedge block (14) and the second wedge block (15) are symmetrically arranged relative to the central section of the box body (1), the first wedge block (14) and the second wedge block (15) are arranged in a staggered mode, and the first wedge block (14) and the second wedge block (15) are arranged correspondingly to the matching wedge block (55).

3. The automobile plate spring machining apparatus according to claim 1, wherein: the fixed workbin (13) that is equipped with that inlays in the inner chamber top of box (1), discharge gate (131) have all been seted up in the bottom both sides of workbin (13) through, just the top of the height and cover half (12) of discharge gate (131) corresponds the setting, one side that extrusion mount pad (6) were kept away from in workbin (13) is provided with pushing equipment (7).

4. The automobile plate spring machining apparatus according to claim 3, wherein: pushing equipment (7) include second telescopic link (71), second telescopic link (71) fixed mounting is in one side of workbin (13), just one end fixed mounting that workbin (13) was kept away from in second telescopic link (71) has cooperation piece (73), the cover is equipped with second spring (72) on the flexible end pole wall of second telescopic link (71), the stiff end pole wall bottom fixed mounting of second telescopic link (71) has spacing (74), one side bottom fixedly connected with push rod (75) of second spring (72), push rod (75) activity runs through spacing (74) and extends to in discharge gate (131).

5. The automobile plate spring machining apparatus according to claim 4, wherein: the drive plate is characterized in that an L-shaped rod (45) is fixedly mounted at the middle position of the top of the drive plate (4), a third wedge block (44) is fixedly mounted at one end, away from the drive plate (4), of the L-shaped rod (45), and the third wedge block (44) and a second spring (72) are arranged in a matched extrusion mode.

6. The automobile plate spring machining apparatus according to claim 1, wherein: a groove (61) is formed in the extrusion mounting seat (6), the top end of the movable rod (62) is arranged in the groove (61) in a sliding mode, a first spring (64) is arranged in the groove (61), and two ends of the first spring (64) are fixedly connected with the groove (61) and the top end of the movable rod (62) respectively.

7. The automobile plate spring machining apparatus according to claim 1, wherein: the bottom both sides of first half heating ring (67) all integrated into one piece have fixture block (671), draw-in groove (321) have all been seted up to the top both sides of second half heating ring (32), just fixture block (671) and draw-in groove (321) joint cooperation.

8. The automobile plate spring machining apparatus according to claim 2, wherein: the two side plates (5) are positioned between the two upper half heating rings (67), the matching wedge blocks (55) are matched with the first wedge blocks (14) to extrude when moving oppositely, and the matching wedge blocks (55) are matched with the second wedge blocks (15) to extrude when moving oppositely.