CN113857373A

CN113857373A - Elastic positioning tool for automobile panel stamping die

Info

Publication number: CN113857373A
Application number: CN202111098414.9A
Authority: CN
Inventors: 李维
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-12-31

Abstract

The invention relates to the technical field of dies and discloses an elastic positioning tool for an automobile panel stamping die, which comprises a lower die cutter block, wherein a first die cutter block is arranged above the lower die cutter block, a second die cutter block is arranged behind the first die cutter block, a plate groove is formed in the upper surface of the lower die cutter block, a first spring groove is formed in the lower surface of the inner part of the plate groove, a first spring is fixed on the lower surface of the inner part of the first spring groove, and a spring post is fixed at the top end of the first spring. The economic benefit is improved, the device is smoother, and the probability of mechanical failure is reduced.

Description

Elastic positioning tool for automobile panel stamping die

Technical Field

The invention relates to the technical field of dies, in particular to an elastic positioning tool for an automobile panel stamping die.

Background

The automobile panel is a surface or an interior part of a space shape made of a metal sheet covering an engine and a chassis and constituting a cab and a vehicle body. The function and the position can be divided into an external covering part, an internal covering part and a framework covering part. They all have different characteristics from the usual stamped parts in terms of process design, die machining, equipment selection and quality control (dimensional tolerances, shape accuracy, part rigidity, surface quality). The automobile panel stamping die is larger than a common stamping die in volume, cast molding property needs to be considered, the shape cannot be required to be too complex, and the forming is difficult, so that the automobile panel stamping die is mainly suitable for dies of automobile large ornaments. An elastic positioning tool for an automobile panel stamping die is a device for limiting and fixing an automobile panel.

Patent number CN212168752U discloses an elastic positioning utensil for automobile panel stamping die, has solved fixed location utensil and has gone up the mould sword piece when using and must set up and hide the empty structure, leads to the intensity decline of going up the mould sword piece, influences the problem of automobile panel's turn-ups effect. The upper die cutter block can keep complete structure, has higher strength, and can improve the flanging effect of the automobile covering part.

The elastic positioning for the stamping die of the automobile panel in the prior art has the following disadvantages: 1. the elastic positioning tool needs to be independently and fixedly installed, so that the using area is large, meanwhile, the distance cannot be adjusted when flanging operation with different lengths is needed, and the operation is not flexible enough; 2. only one side of the covering plate can be positioned, and the whole covering plate cannot be positioned for use, so that the covering plate can be displaced when being flanged.

Disclosure of Invention

Technical problem to be solved

In view of the defects of the prior art, the invention provides an elastic positioning tool for an automobile panel stamping die, which solves the problems provided in the background.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an elastic positioning tool for a stamping die of an automobile covering part comprises a lower die cutter block, wherein a first die cutter block is arranged above the lower die cutter block, a second die cutter block is arranged behind the first die cutter block, a plate groove is formed in the upper surface of the lower die cutter block, a first elastic groove is formed in the lower surface of the inner part of the plate groove, a first spring is fixed on the lower surface of the inner part of the first elastic groove, an elastic column is fixed at the top end of the first spring, a supporting plate is fixed at the top of the elastic column, extrusion grooves are formed in the left side and the right side of the elastic column, through grooves are formed in the left side and the right side of the inner part of the elastic groove, sliding rods are connected in a sliding mode inside the through grooves, fixing parts are fixed on the left side and the right side of the lower die cutter block, a first positioning part is connected in a sliding mode inside the fixing parts in a sliding mode, the opposite ends of the two sliding rods respectively penetrate through the insides of the two fixing parts, a containing groove is formed in the rear surface of the lower die cutter block, sliding grooves are formed in the left side and the containing groove, two the inside common sliding connection of spout has the slider, the inside fixed axle that is fixed with of slider, the fixed axle surface rotates and is connected with the commentaries on classics board, the fixed axle surface is located the commentaries on classics board left and right sides all is fixed with the torsional spring, two torsional spring looks remote site respectively with the commentaries on classics board left and right sides fixed connection, commentaries on classics board upper surface rear has seted up bullet groove two, bullet groove two inside is fixed with spring three, spring three top is fixed with setting element two, the layer board upper surface is located two be equipped with the covering between the setting element one.

Preferably, a spring four is fixed on the front surface inside each of the two sliding grooves, the rear ends of the two springs four are fixedly connected with the front surface of the sliding part, a first connecting piece is fixed on the front surface of the sliding part, a connecting rod is rotatably connected inside the first connecting piece, a second connecting piece is rotatably connected to the front end of the connecting rod, a threaded sleeve is fixed on the front end of the second connecting piece, a threaded rod is connected to the inner part of the threaded sleeve through a thread, the top end of the threaded rod is rotatably connected with the upper surface inside the accommodating groove, a groove is formed in the lower surface inside the accommodating groove, the bottom end of the threaded rod is rotatably connected with the lower surface inside the groove, a transverse gear is fixed on the outer surface of the threaded rod inside the groove, the rear end of the transverse gear is engaged and connected with a vertical gear, a rotating rod is fixed on the rear surface of the vertical gear, and the rear end of the rotating rod penetrates through the rear part of the lower die cutter block, and a rotating handle is fixed.

Preferably, the draw-in groove has been seted up to the slide bar upper surface, the lower mould sword piece is inside to be located the oil storage tank has been seted up to the draw-in groove top, the inside fixed surface in oil storage tank has the siphunculus, the siphunculus bottom run through to lead to the inside upper surface of inslot, the inside sliding connection of siphunculus has the movable rod, the movable rod top is fixed with the stationary blade, the movable rod surface is located siphunculus top cover is equipped with spring two, spring two tops with fixed surface is connected under the stationary blade, spring two bottoms with siphunculus top fixed connection, the inside through-hole of having run through of movable rod has been seted up, the oil outlet has been seted up to the movable rod bottom, the oil outlet top with the through-hole is inside to be linked together, the oil inlet has all been run through on the siphunculus left and right sides.

Preferably, the rear end of the covering part is attached to the outer surface of the positioning part, and the left side and the right side of the covering part are respectively attached to the outer surfaces of the two positioning parts.

Preferably, the supporting plate is matched with the plate groove.

Preferably, the two opposite ends of the sliding rod are in circular arc structures.

Preferably, the upper surface of the rotating plate is attached to the upper surface of the inner part of the accommodating groove.

Preferably, the sliding member is of a U-shaped structure.

Preferably, the bottom end of the movable rod is of an arc-shaped structure.

Preferably, the outer surface of the movable rod is attached to the inner surface of the through pipe.

(III) advantageous effects

The invention provides an elastic positioning tool for an automobile panel stamping die, which has the following beneficial effects:

(1) the invention sets a first positioning piece, a spring post and a second positioning piece, when a first die cutter block presses down to clamp or punch a covering piece, the first positioning piece descends and extrudes the slide rods under the pressure of the first die cutter block to enable the two slide rods to move relatively, the two slide rods extrude the inclined planes in the two extrusion grooves relatively to enable the spring post to descend, meanwhile, the support plate is clamped in the plate groove, the lower die cutter block forms a whole surface, after the first die cutter block extrudes or clamps the covering piece, the second die cutter block is operated to press down to flange the extending part at the rear end of the covering piece, the second positioning piece is extruded and retracted, meanwhile, the rotating plate is overturned under the pressure of the second die cutter block and the overturned covering piece, so that the upper die cutter block can keep complete structure, has higher strength and can also improve the flanging effect of an automobile covering piece, when the first die cutter block and the second die cutter block ascend, the first spring pushes the spring post to ascend, the spring post pushes the support plate and the covering piece to ascend, meanwhile, the ascending extrusion groove extrudes the two sliding rods to move back to back through the inclined surfaces, the inclined surfaces at the back ends of the two sliding rods extrude the two positioning pieces I to ascend, so that the positioning pieces I and the covering piece are restored to the original positions, the demolding effect of the covering piece is achieved, and the torsion spring can restore the rotating plate to the original position to wait for the next use; the effect of adjusting the position of the positioning piece II can be achieved by rotating the threaded rod, and flanging operation with different lengths is facilitated.

(2) According to the invention, the vertical gear, the transverse gear, the rotating rod, the groove, the transverse gear, the vertical gear, the rotating rod and the rotating handle are arranged, the threaded rod is rotated by rotating the rotating handle, the threaded sleeve is lifted on the outer surface of the threaded rod, and when the threaded sleeve moves, the connecting rod obliquely pulls or pushes the sliding part to move back and forth in the sliding groove under the cooperation of the spring IV, so that the purpose of conveniently adjusting the distance of the second positioning part is achieved, and the operation is more convenient.

(3) According to the invention, by arranging the clamping groove, the oil storage tank, the through pipe, the movable rod, the fixed plate, the second spring, the through hole, the oil outlet and the oil inlet, when the slide rod moves transversely, the clamping groove extrudes the movable rod to rise, the oil inlet is communicated with the through hole, and lubricating oil in the oil storage tank flows out through the oil outlet to lubricate movable structures such as the slide rod, the elastic column and the positioning piece, so that the friction resistance is reduced, the abrasion is reduced, the service life of the structure is prolonged, the economic benefit is improved, the device is smoother, and the probability of mechanical failure is reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic diagram of a right-side cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of the portion B of FIG. 3 according to the present invention;

fig. 5 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a lower die cutter block; 2. a first mould cutter block; 3. a second die cutter block; 4. a plate groove; 5. a first elastic groove; 6. a first spring; 7. a bullet column; 8. a support plate; 9. extruding a groove; 10. a through groove; 11. a fixing member; 12. a first positioning piece; 13. a slide bar; 14. a receiving groove; 15. a chute; 16. a slider; 17. a fixed shaft; 18. rotating the plate; 19. a torsion spring; 20. a first connecting piece; 21. a connecting rod; 22. a second connecting piece; 23. a threaded sleeve; 24. a threaded rod; 25. a groove; 26. a transverse gear; 27. a vertical gear; 28. a rotating rod; 29. turning a handle; 30. a card slot; 31. an oil storage tank; 32. pipe passing; 33. a movable rod; 34. a fixing sheet; 35. a second spring; 36. a through hole; 37. an oil outlet hole; 38. an oil inlet hole; 39. a second elastic groove; 40. a third spring; 41. a second positioning piece; 42. a cover; 43. and a fourth spring.

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.

As shown in fig. 1 to 5, the present invention provides a technical solution: an elastic positioning tool for a stamping die of an automobile covering part comprises a lower die cutter block 1, a first die cutter block 2 is arranged above the lower die cutter block 1, a second die cutter block 3 is arranged behind the first die cutter block 2, a plate groove 4 is formed in the upper surface of the lower die cutter block 1, a first elastic groove 5 is formed in the lower surface of the inner part of the plate groove 4, a first spring 6 is fixed on the lower surface of the inner part of the first elastic groove 5, an elastic column 7 is fixed on the top end of the first spring 6, a supporting plate 8 is fixed on the top of the elastic column 7, extrusion grooves 9 are formed in the left side and the right side of the elastic column 7, through grooves 10 are formed in the left side and the right side of the inner part of the first elastic groove 5, slide bars 13 are slidably connected in the through grooves 10, fixing parts 11 are fixed on the left side and the right side of the lower die cutter block 1, a first positioning part 12 is slidably connected in the fixing parts 11, the opposite ends of the two slide bars 13 respectively penetrate through the two fixing parts 11, a containing groove 14 is formed in the rear surface of the lower die cutter block 1, sliding grooves 15 are formed in the left side and the containing groove 14, the sliding parts 16 are connected with the insides of the two sliding grooves 15 in a sliding manner, the fixed shafts 17 are fixed inside the sliding parts 16, the rotating plates 18 are connected with the outer surfaces of the fixed shafts 17 in a rotating manner, torsion springs 19 are fixed on the outer surfaces of the fixed shafts 17 at the left side and the right side of the rotating plates 18, the opposite ends of the two torsion springs 19 are respectively fixedly connected with the left side and the right side of the rotating plates 18, elastic grooves 39 are formed in the rear of the upper surfaces of the rotating plates 18, springs 40 are fixed inside the elastic grooves 39, positioning parts 41 are fixed at the top ends of the springs 40, covering parts 42 are arranged on the upper surfaces of the supporting plates 8 between the two positioning parts 12, the inner sides of the extrusion grooves 9 are inclined planes, the opposite back ends of the two sliding rods 13 are inclined planes, the bottom ends of the positioning parts 12 are attached to the inclined plane ends of the sliding rods 13, and when the covering parts 42 are required to be punched, and a die can be arranged on the upper surface of the lower die cutter block 1 and the lower surface of the first die cutter block 2 according to requirements.

Further, a spring four 43 is fixed on the front surface of the inside of each of the two sliding grooves 15, the rear ends of the two spring four 43 are fixedly connected with the front surface of the sliding member 16, a first connecting member 20 is fixed on the front surface of the sliding member 16, a first connecting rod 21 is rotatably connected with the inside of the first connecting member 20, a second connecting member 22 is rotatably connected with the front end of the second connecting member 21, a threaded sleeve 23 is fixed on the front end of the second connecting member 22, a threaded rod 24 is connected with the inside of the threaded sleeve 23 through threads, the top end of the threaded rod 24 is rotatably connected with the upper surface of the inside of the accommodating groove 14, a groove 25 is formed on the lower surface of the inside of the accommodating groove 14, the bottom end of the threaded rod 24 is rotatably connected with the lower surface of the groove 25, a transverse gear 26 is fixed on the outer surface of the threaded rod 24, a vertical gear 27 is connected with the rear end of the transverse gear 26 in a meshing manner, a rotating rod 28 is fixed on the rear surface of the vertical gear 27, the rear end of the rotating rod 28 penetrates through the rear portion of the lower die block 1, and is fixed with a rotating handle 29, the rotating handle 29 is rotated through the transmission of the rotating rod 28, the vertical gear 27 and the transverse gear 26 to enable the threaded rod 24 to rotate, when the threaded rod 24 rotates, the threaded sleeve 23 carries out threaded lifting on the outer surface of the threaded rod 24, when the threaded sleeve 23 descends, the connecting rod 21 inclines and pulls the sliding piece 16 to move forwards, when the threaded sleeve 23 ascends in a threaded manner, the connecting rod 21 pushes and slides the sliding piece 16 backwards under the action of the spring four 43, so that the sliding piece 16 can carry the rotating plate 18 to move forwards and backwards in the sliding groove 15, the purpose of conveniently adjusting the distance of the positioning piece two 41 is achieved, and the operation is more convenient.

Further, a clamping groove 30 is formed in the upper surface of the sliding rod 13, an oil storage groove 31 is formed in the lower die cutter block 1 and located above the clamping groove 30, a through pipe 32 is fixed to the inner lower surface of the oil storage groove 31, the bottom end of the through pipe 32 penetrates through the inner upper surface of the through groove 10, a movable rod 33 is connected to the inner portion of the through pipe 32 in a sliding manner, a fixing plate 34 is fixed to the top end of the movable rod 33, a spring II 35 is sleeved on the outer surface of the movable rod 33 and located above the through pipe 32, the top end of the spring II 35 is fixedly connected with the lower surface of the fixing plate 34, the bottom end of the spring II 35 is fixedly connected with the top portion of the through pipe 32, a through hole 36 is formed in the inner portion of the movable rod 33 in a penetrating manner, an oil inlet hole 38 is formed in each of the left side and the right side of the through pipe 32, when the sliding rod 13 moves transversely, the clamping groove 30 extrudes the movable rod 33 to ascend, the oil inlet hole 38 is aligned and communicated with the through hole 36, lubricating oil in the oil storage tank 31 flows out through the oil outlet 37 to lubricate movable structures such as the sliding rod 13, the elastic column 7, the first positioning piece 12 and the like, so that the friction resistance is reduced, the abrasion is reduced, the service life of the structure is prolonged, the economic benefit is improved, the device is smoother, and the probability of mechanical failure is reduced.

Furthermore, the rear end of the covering part 42 is attached to the outer surfaces of the second positioning parts 41, and the left side and the right side of the covering part 42 are respectively attached to the outer surfaces of the first positioning parts 12, so that the covering part 42 cannot move under the limiting of the first positioning parts 12 and the second positioning parts 41.

Further, layer board 8 and board groove 4 looks adaptation, layer board 8 can block in the board groove 4 for lower mould sword piece 1 surface can be leveled.

Further, the opposite ends of the two sliding rods 13 are of arc-shaped structures, so that the elastic columns 7 can be better extruded.

Further, the upper surface of the rotating plate 18 is attached to the inner upper surface of the accommodating groove 14, so that the rotating plate 18 can be limited and horizontally placed.

Further, the sliding member 16 has a U-shaped structure, so that the rotating plate 18 can normally rotate without affecting the sliding.

Further, the bottom end of the movable rod 33 is of an arc-shaped structure, so that the movable rod can retract upwards when being extruded by the clamping groove 30.

Furthermore, the outer surface of the movable rod 33 is attached to the inner surface of the through pipe 32, so that no lubricant seeps out between the through pipe 32 and the movable rod 33.

In conclusion, the working process of the invention is as follows: the covering part 42 is placed between the two positioning parts I12 and the two positioning parts II 41 from the front of the device through the mechanical arm, when the covering part 42 is pressed and clamped or stamped by the die cutter block I2, under the pressure of the die cutter block I2, the positioning part I12 descends and extrudes the slide rods 13, the two slide rods 13 relatively extrude the inclined planes in the two extrusion grooves 9, the elastic columns 7 descend, the supporting plate 8 is clamped in the plate groove 4, the lower die cutter block 1 forms a whole surface, after the covering part 42 is extruded or clamped by the die cutter block I2, the die cutter block II 3 is operated to downwards press and flange the extending part at the rear end of the covering part 42, the positioning part II 41 is extruded and retracted, meanwhile, the rotating plate 18 is overturned under the pressure of the die cutter block II 3 and the overturned covering part 42, the upper die cutter block can keep complete structure, has higher covering part strength, and can also improve the flanging effect of the automobile 42, after the first die cutter block 2 and the second die cutter block 3 rise, the first spring 6 pushes the elastic column 7 to rise, the elastic column 7 pushes the supporting plate 8 and the covering part 42 to rise, meanwhile, the rising extrusion groove 9 extrudes the two sliding rods 13 to move back to back through the inclined surfaces, the inclined surfaces at the back ends of the two sliding rods 13 extrude the two positioning parts one 12 to rise, so that the positioning parts one 12 and the covering part 42 return to the original positions, the demolding effect of the covering part 42 is achieved, and the torsion spring 19 can enable the rotating plate 18 to return to the original position to wait for the next use; the threaded rod 24 is rotated by the rotation of the rotating handle 29 through the transmission of the rotating rod 28, the vertical gear 27 and the transverse gear 26, when the threaded rod 24 rotates, the threaded sleeve 23 is in threaded lifting on the outer surface of the threaded rod 24, when the threaded sleeve 23 descends, the connecting rod 21 inclines and pulls the sliding part 16 to move forwards, when the threaded sleeve 23 is in threaded lifting, the connecting rod 21 pushes and slides the sliding part 16 backwards under the action of the spring four 43, so that the sliding part 16 can move forwards and backwards in the chute 15 with the rotating plate 18, the purpose of conveniently adjusting the distance of the positioning part two 41 is achieved, flanging operation with different lengths is convenient, when the sliding rod 13 moves transversely, the clamping groove 30 extrudes the movable rod 33 to lift, the oil inlet hole 38 is aligned and communicated with the through hole 36, and lubricating oil in the oil storage groove 31 flows out through the oil outlet hole 37 to lubricate movable structures such as the sliding rod 13, the elastic column 7, the positioning part one 12 and the like, the friction resistance is reduced, the abrasion is reduced to prolong the service life of the structure, the economic benefit is improved, the device is smoother, and the probability of mechanical failure is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an elastic positioning utensil for automobile panel stamping die, includes lower mould cutter block (1), its characterized in that: a first die cutter block (2) is arranged above the lower die cutter block (1), a second die cutter block (3) is arranged behind the first die cutter block (2), a plate groove (4) is formed in the upper surface of the lower die cutter block (1), a first spring groove (5) is formed in the lower surface of the inner part of the plate groove (4), a first spring (6) is fixed on the lower surface of the inner part of the first spring groove (5), a spring post (7) is fixed at the top end of the first spring (6), a supporting plate (8) is fixed at the top of the spring post (7), extrusion grooves (9) are formed in the left side and the right side of the spring post (7), through grooves (10) are formed in the left side and the right side of the inner part of the first spring groove (5), a sliding rod (13) is connected in the through grooves (10) in a sliding manner, fixing parts (11) are fixed on the left side and the right side of the lower die cutter block (1), and a first fixing part (11) is connected in a sliding manner, the two sliding rods (13) are respectively penetrated into the two fixing parts (11) at the back ends, the rear surface of the lower die cutter block (1) is provided with a containing groove (14), the left side and the right side of the inside of the containing groove (14) are respectively provided with a sliding groove (15), the two sliding grooves (15) are internally and jointly connected with a sliding part (16) in a sliding manner, a fixed shaft (17) is fixed inside the sliding part (16), the outer surface of the fixed shaft (17) is rotatably connected with a rotating plate (18), the outer surface of the fixed shaft (17) is positioned at the left side and the right side of the rotating plate (18) and is respectively fixed with a torsional spring (19), the opposite ends of the two torsional springs (19) are respectively and fixedly connected with the left side and the right side of the rotating plate (18), a second elastic groove (39) is formed in the rear part of the upper surface of the rotating plate (18), a third spring (40) is fixed inside the second elastic groove (39), and a second positioning part (41) is fixed at the top end of the third spring (40), and a covering part (42) is arranged on the upper surface of the supporting plate (8) between the two first positioning parts (12).

2. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: two the inside front surface of spout (15) all is fixed with spring four (43), two spring four (43) rear end all with slider (16) front surface fixed connection, slider (16) front surface fixed connection has connecting piece (20), connecting piece (20) inside rotation is connected with connecting rod (21), connecting rod (21) front end rotation is connected with connecting piece two (22), connecting piece two (22) front end is fixed with threaded sleeve (23), threaded sleeve (23) inside threaded connection has threaded rod (24), threaded rod (24) top with accomodate inside upper surface rotation of groove (14) and be connected, accomodate the inside lower surface of groove (14) and set up fluted (25), threaded rod (24) bottom with the inside lower surface rotation of recess (25) is connected, threaded rod (24) surface is located the inside transverse gear (26) of recess (25) is fixed with, the rear end of the transverse gear (26) is connected with a vertical gear (27) in a meshing manner, a rotating rod (28) is fixed on the rear surface of the vertical gear (27), and the rear end of the rotating rod (28) penetrates through the rear of the lower die cutter block (1) and is fixed with a rotating handle (29).

3. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: draw-in groove (30) have been seted up to slide bar (13) upper surface, lower mould sword piece (1) inside is located oil storage tank (31) have been seted up to draw-in groove (30) top, the inside lower fixed surface in oil storage tank (31) has siphunculus (32), siphunculus (32) bottom run through to logical groove (10) inside upper surface, the inside sliding connection of siphunculus (32) has movable rod (33), movable rod (33) top is fixed with stationary blade (34), movable rod (33) surface is located siphunculus (32) top cover is equipped with spring two (35), spring two (35) top with stationary blade (34) lower fixed surface is connected, spring two (35) bottom with siphunculus (32) top fixed connection, through-hole (36) have been seted up to inside running through of movable rod (33), oil outlet (37) have been seted up to movable rod (33) bottom, the top end of the oil outlet hole (37) is communicated with the inside of the through hole (36), and the left side and the right side of the through pipe (32) are both penetrated and provided with oil inlet holes (38).

4. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: the rear end of the covering piece (42) is attached to the outer surface of the second positioning piece (41), and the left side and the right side of the covering piece (42) are respectively attached to the outer surfaces of the first positioning pieces (12).

5. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: the supporting plate (8) is matched with the plate groove (4).

6. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: the opposite ends of the two sliding rods (13) are of arc-shaped structures.

7. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: the upper surface of the rotating plate (18) is attached to the inner upper surface of the accommodating groove (14).

8. The elastic positioning tool for the automobile panel stamping die according to claim 1, characterized in that: the sliding part (16) is of a U-shaped structure.

9. The elastic positioning tool for the automobile panel stamping die according to claim 3, characterized in that: the bottom end of the movable rod (33) is of an arc-shaped structure.

10. The elastic positioning tool for the automobile panel stamping die according to claim 3, characterized in that: the outer surface of the movable rod (33) is attached to the inner surface of the through pipe (32).