CN113198904A

CN113198904A - Automobile steering knuckle casting punching device without tool withdrawal resistance and punching method thereof

Info

Publication number: CN113198904A
Application number: CN202110566715.3A
Authority: CN
Inventors: 鄢明海; 郑德伟; 何强
Original assignee: DONGFENG FORGING CO LTD
Current assignee: DONGFENG FORGING CO LTD
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-08-03

Abstract

The invention discloses a punching device and a punching method for an automobile steering knuckle casting. Has the advantages that: the invention has novel structure and convenient operation, the invention arranges the die cutting edge, the die cutter body and the die pressing head which are consistent with the shape required by the part of the casting to be cut, and arranges the die cutting edge and the die pressing head which are consistent with the shape required by the part of the casting to be cut, so that the casting to be cut is arranged on the die cutting edge, the casting to be cut is arranged in a cavity formed by the die cutting edge due to the upper and lower die draft angles, the casting is clamped on the die cutting edge through burrs, the die pressing head exerts pressure on the casting to lead the die cutting edge to cut and remove burrs on the batch seam of the casting, thereby the casting is not extruded to generate elastic deformation, and the problem of difficult tool withdrawal caused by the elastic deformation is solved, the casting is prevented from causing the damage of the die cutter body due to the elastic deformation, and the service life of the equipment is prolonged.

Description

Automobile steering knuckle casting punching device without tool withdrawal resistance and punching method thereof

Technical Field

The invention relates to the technical field of punching devices for automobile steering knuckle castings, in particular to a punching device for automobile steering knuckle castings without tool withdrawal resistance and a punching method thereof.

Background

A knuckle, also known as a cleat, is one of important parts in a steering axle of an automobile, and can stably drive the automobile and sensitively transmit the driving direction, the knuckle has the functions of transmitting and bearing the front load of the automobile, supporting and driving a front wheel to rotate around a kingpin so as to steer the automobile, and in the driving state of the automobile, the knuckle bears variable impact load, so that the knuckle is required to have high strength.

The existing punching device for the automobile steering knuckle casting is used, when punching, the die blade extrudes the casting to enable the casting to have elastic deformation, when the die retreats, the casting can extrude the die blade to generate great cutter retreating resistance, so that cutter retreating is difficult, even the cutter retreating is impossible, or the die is damaged by pulling, the service life of the device is prolonged, in addition, the existing punching device for the automobile steering knuckle casting is used, the casting needs to be positioned and compressed after being placed, and the compression needs to be relieved before the casting is taken, so that a worker needs to spend a large amount of time to take the punched casting, the punching efficiency of the device is reduced, and the existing problem is solved by the punching device for the automobile steering knuckle casting without the cutter retreating resistance.

Disclosure of Invention

The invention aims to solve the problems and provide an automobile steering knuckle casting punching device without tool withdrawal resistance and a punching method thereof.

The invention realizes the purpose through the following technical scheme:

a punching device of an automobile steering knuckle casting without tool withdrawal resistance comprises a workbench, a punching die base and a punching die cutter body, wherein the punching die base is arranged above the workbench, a dropping hole is formed in the punching die base, the punching die cutter body is arranged above the punching die base, a punching die knife edge is arranged on the punching die cutter body, a chute is arranged on one side of the punching die base, a pushing plate is arranged on the other side of the punching die base, an electric telescopic rod is arranged on one side of the pushing plate, a mounting plate is arranged at the tail end of the electric telescopic rod, a supporting guide plate is arranged below the electric telescopic rod, a punching die pressure head is arranged above the punching die cutter body, a die shank is arranged above the punching die pressure head, a punching column is arranged above the die shank, a sliding middle beam is arranged above the punching column, a telescopic hydraulic cylinder is arranged above the sliding, the improved hydraulic press is characterized in that an upper female die is arranged on the upper fixing plate, a guide post is arranged below the upper female die, a through cavity is formed in the sliding middle beam, a lower female die is arranged below the guide post, a hydraulic box is arranged above the upper fixing plate, a connecting pipe is arranged on one side wall of the hydraulic box, a hydraulic conveying pipe is arranged on one side of the connecting pipe, a hydraulic pump is arranged at the tail end of the hydraulic conveying pipe, and a control box is arranged on one side of the hydraulic pump.

Further, the die base is connected with the workbench through bolts, and the dropping hole is formed in the die base.

By adopting the technical scheme, the casting can fall into the die base through the falling hole above the die base.

Further, the catch plate with electric telescopic handle passes through bolted connection, electric telescopic handle with the mounting panel passes through bolted connection, support the deflector with electric telescopic handle welds, support the deflector and the mounting panel all with the workstation passes through bolted connection, electric telescopic handle with the control box electricity is connected, swift current silo shaping in on the workstation.

By adopting the technical scheme, the control box enables the electric telescopic rod to stretch out, so that the pushing plate at the tail end of the electric telescopic rod pushes the casting to the chute, and the casting slides into the storage device outside the equipment through the chute.

Furthermore, the punch die cutter body is connected with the punch die base through a bolt, and the punch die cutting edge is formed on the punch die cutter body.

By adopting the technical scheme, the casting can be placed on the cutting edge of the die, and the casting burrs on the casting are removed through the cutter body of the die.

Furthermore, the stamping die pressure head is formed on the die shank, and the die shank is connected with the stamping column through a bolt.

By adopting the technical scheme, the die handle is arranged on the stamping column to fix the die pressing head, the projection shape of the bottom end of the die pressing head is the same as the die cutting edge and the projection shape of a casting, and pressure can be applied to the casting through the die pressing head.

Furthermore, the stamping column is connected with the sliding middle beam through threads, and the sliding middle beam is connected with the telescopic hydraulic cylinder through bolts.

By adopting the technical scheme, the sliding middle beam drives the stamping column to move downwards through the telescopic hydraulic cylinder.

Further, flexible pneumatic cylinder with the upper fixed plate passes through bolted connection, go up the die shaping in on the upper fixed plate, down the die shaping in on the workstation, the guide post with go up the die and the die is all connected through the draw-in groove down, lead to the chamber shaping in on the slip centre sill, the guide post runs through lead to the chamber.

Through adopting above-mentioned technical scheme, can make flexible pneumatic cylinder is right the slip centre sill applys thrust and makes its whereabouts in-process, through lead to the chamber is in it makes to slide on the guide post the slip centre sill keeps the steady state of motion.

Furthermore, the telescopic hydraulic cylinder is connected with the hydraulic tank through a pipeline, the hydraulic tank is connected with the upper fixed plate through a bolt, the connecting pipe is formed on the hydraulic tank, the connecting pipe is connected with the hydraulic conveying pipe through a pipe hoop, and the hydraulic conveying pipe is connected with the hydraulic pump through a pipe hoop.

By adopting the technical scheme, the hydraulic oil can be stored in the hydraulic tank, and the pressure of the hydraulic oil can be adjusted by the hydraulic pump, so that the telescopic hydraulic cylinder can be stretched.

Further, the hydraulic pump is connected with the control box through bolts, and the hydraulic pump is electrically connected with the control box.

By adopting the technical scheme, the working state of the hydraulic pump can be controlled through the control box.

The invention has the beneficial effects that:

1. the invention aims to solve the problems that in the use process of the existing punching device for the automobile steering knuckle castings, the casting is extruded by a punching die blade to cause elastic deformation of the castings, the castings can be extruded by the punching die blade to generate great cutter withdrawal resistance when the punching die withdraws the cutter, the cutter withdrawal is difficult, even the cutter withdrawal is impossible or the punching die is damaged by pulling, and the service life of the equipment is shortened. The problem of difficulty in tool withdrawal caused by the tool withdrawal is solved, so that a casting cannot be damaged by the tool body of the stamping die due to elastic deformation, and the service life of equipment is prolonged;

2. in order to solve the problems that in the use process of the existing automobile steering knuckle casting punching device, because the casting needs to be positioned and compressed after being placed and needs to be relieved of the compression before the casting is taken, a worker needs to spend a large amount of time for taking the punched casting, and the punching efficiency of the equipment is reduced, the invention reduces the step that the casting can be taken only by contacting the compressing device firstly when the casting is taken by arranging the die base, the drop hole on the die base, the electric telescopic rod, the pushing plate and the chute, and the casting falls into the die base through the drop hole on the die base and then is driven by the electric telescopic rod to extend out, so that the casting falls into the chute and slides into the storage device outside the equipment through the chute, and the casting can automatically fall into the storage device without spending a large amount of time on the worker for taking the punched casting, thereby improving the punching efficiency of the equipment;

drawings

FIG. 1 is a schematic structural diagram of an automobile steering knuckle casting punching device without tool withdrawal resistance according to the invention;

FIG. 2 is a front view of the automobile steering knuckle casting punching device without tool withdrawal resistance according to the invention;

FIG. 3 is a front cross-sectional view of an automotive knuckle casting die-cutting apparatus without tool withdrawal resistance according to the present invention;

fig. 4 is a schematic structural diagram of a die base, a die cutter body and a die cutting edge in the die cutting device for the automobile steering knuckle casting without tool withdrawal resistance.

The reference numerals are explained below:

1. a work table; 2. a guide post; 3. a chute; 4. a die base; 5. dropping the hole; 6. a die cutter body; 7. punching a tool edge; 8. punching the column; 9. a die shank; 10. a die ram; 11. sliding the middle beam; 12. a telescopic hydraulic cylinder; 13. an upper fixing plate; 14. a hydraulic tank; 15. a hydraulic delivery pipe; 16. a connecting pipe door; 17. a hydraulic pump cylinder; 18. a control box; 19. a female die is arranged; 20. a lower concave die; 21. a cavity is communicated; 22. mounting a plate; 23. supporting the guide plate; 24. a push plate; 25. an electric telescopic rod.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-4, a punching device for an automobile steering knuckle casting without tool withdrawal resistance comprises a workbench 1, a die base 4 and a die cutter body 6, wherein the die base 4 is arranged above the workbench 1, a falling hole 5 is arranged on the die base 4, the die cutter body 6 is arranged above the die base 4, burrs of the casting are cut off by mounting the die cutter body 6 on the die base 4, the casting can fall into the die base 4 through the falling hole 5 by means of self gravity, a die cutting edge 7 is arranged on the die cutter, burrs on a parting surface of the casting are cut off by the die cutting edge 7, a chute 3 is arranged on one side of the die base 4, the casting falls into an external storage device when passing through the chute 3, and a pushing plate 24 is arranged on the other side of the die base 4, an electric telescopic rod 25 is arranged on one side of the pushing plate 24, the pushing plate 24 is driven by the electric telescopic rod 25 to enable a casting to fall into the chute 3, a mounting plate 22 is arranged at the tail end of the electric telescopic rod 25, the electric telescopic rod 25 is mounted on the mounting plate 22 to fix the electric telescopic rod 25, a supporting guide plate 23 is arranged below the electric telescopic rod 25, the electric telescopic rod 25 is supported by the supporting guide plate 23 and guided by the electric telescopic rod 25 in the motion process of the electric telescopic rod 25, a die pressing head 10 is arranged above the die cutter body 6, the bottom of the die pressing head 10 is the same as the top of the casting, pressure is applied to the casting by the die pressing head 10, so that burrs on the parting surface of the casting are cut by matching with the die pressing head, and a die handle 9 is arranged above the die pressing head 10, the stamping die pressing head 10 is fixed through a die shank 9, a stamping column 8 is arranged above the die shank 9, the stamping die pressing head 10 is fixed by installing the die shank 9 on the stamping column 8, a sliding middle beam 11 is arranged above the stamping column 8, a telescopic hydraulic cylinder 12 is arranged above the sliding middle beam 11, the stamping die pressing head 10 can move through the telescopic hydraulic cylinder 12, an upper fixing plate 13 is arranged above the telescopic hydraulic cylinder 12, an upper concave die 19 is arranged on the upper fixing plate 13, a guide column 2 is arranged below the upper concave die 19, a through cavity 21 is arranged on the sliding middle beam 11, a lower concave die 20 is arranged below the guide column 2, and the upper fixing plate 13, the upper concave die 19, the lower concave die 20, the through cavity 21 and the guide column 2 slide on the guide column 2 through the through cavity 21 on the sliding middle beam 11, thereby make the beam 11 can keep moving steady state in the motion process in the slip, upper fixed plate 13 top is provided with hydraulic tank 14, is used for storing hydraulic oil, and can to hydraulic telescoping cylinder carries hydraulic oil, be provided with connecting pipe 16 on the 14 lateral walls of hydraulic tank, be used for connecting hydraulic conveying pipe 15 with hydraulic tank 14, connecting pipe 16 one side is provided with hydraulic conveying pipe 15, is used for carrying hydraulic oil, hydraulic conveying pipe 15 end is provided with hydraulic pump 17, is used for adjusting the pressure of hydraulic oil, hydraulic pump 17 one side is provided with control box 18, can control electric telescopic handle 25 and hydraulic pump 17's operating condition.

In this embodiment, the die base 4 is connected to the table 1 by bolts, and the drop holes 5 are formed in the die base 4, so that a casting can drop into the die base 4 through the drop holes 5 above the die base 4.

In this embodiment, the catch plate 24 with electric telescopic handle 25 passes through bolted connection, electric telescopic handle 25 with mounting panel 22 passes through bolted connection, support deflector 23 with electric telescopic handle 25 welds, support deflector 23 and mounting panel 22 all with workstation 1 passes through bolted connection, electric telescopic handle 25 with the control box 18 electricity is connected, swift current silo 3 shaping in on the workstation 1, through control box 18 makes electric telescopic handle 25 stretches out, makes electric telescopic handle 25 is terminal catch plate 24 pushes away the foundry goods to swift current silo 3 is last, and passes through in 3 landing of swift current silo to the outside strorage device of equipment.

In this embodiment, the die cutter body 6 is connected to the die base 4 by a bolt, the die blade 7 is formed on the die cutter body 6, a casting can be placed on the die blade 7, and burrs of the casting on the casting are removed by the die cutter body 6.

In this embodiment, the die head 10 is formed on the die shank 9, the die shank 9 is connected to the punching column 8 by a bolt, the die head 10 is fixed by mounting the die shank 9 on the punching column 8, a bottom end projection shape of the die head 10 is the same as the die edge 7 and the casting projection shape, and the die head 10 can apply pressure to the casting.

In this embodiment, the stamping column 8 is connected with the sliding center sill 11 through a thread, the sliding center sill 11 is connected with the telescopic hydraulic cylinder 12 through a bolt, and the sliding center sill 11 drives the stamping column 8 to move downwards through the telescopic hydraulic cylinder 12.

In this embodiment, flexible pneumatic cylinder 12 with upper fixed plate 13 passes through bolted connection, go up die 19 shaping in on the upper fixed plate 13, die 20 shaping down in on the workstation 1, guide post 2 with go up die 19 and die 20 all connects through the draw-in groove down, lead to the chamber 21 shaping in on the roof beam 11 in sliding, guide post 2 runs through lead to the chamber 21, can make flexible pneumatic cylinder 12 is right in sliding roof beam 11 exerts thrust and makes its whereabouts in-process, through lead to chamber 21 and be in slide messenger on the guide post 2 roof beam 11 keeps the steady state of motion in sliding.

In this embodiment, flexible pneumatic cylinder 12 with hydraulic tank 14 passes through the pipe connection, hydraulic tank 14 with upper fixed plate 13 passes through bolted connection, connecting pipe 16 shaping in on the hydraulic tank 14, connecting pipe 16 with hydraulic delivery pipe 15 passes through the ferrule and connects, hydraulic delivery pipe 15 with hydraulic pump 17 passes through the ferrule and connects, can store hydraulic oil in the hydraulic tank 14, and pass through the pressure of hydraulic pump 17 adjustment hydraulic oil, thereby make flexible pneumatic cylinder 12 can stretch out and draw back.

In this embodiment, the hydraulic pump 17 is connected to the control box 18 by bolts, the hydraulic pump 17 is electrically connected to the control box 18, and the operating state of the hydraulic pump 17 can be controlled by the control box 18.

A use method of an automobile steering knuckle casting punching device without tool withdrawal resistance comprises the following steps: after a casting is placed on the die cutting edge 7, the control box 18 starts the hydraulic pump 17 to operate, the hydraulic delivery pipe 15 and the hydraulic tank 14 drive the telescopic hydraulic cylinder 12 to move downwards, so that the telescopic hydraulic cylinder 12 drives the stamping column 8 below the sliding center sill 11 to move downwards, the stamping column 8 drives the die ram 10 below the die shank 9 to apply pressure to the casting, the die cutter body 6 removes casting burrs around the casting, the die ram 10 continuously applies pressure to the casting to enable the casting to pass through the die cutting edge 7 and the falling hole 5 in sequence and then fall into the die base 4, the control box 18 opens the electric telescopic rod 25, and the pushing plate 24 at the tail end of the electric telescopic rod pushes the trimmed casting to the chute 3, the castings are dropped into an external storage device through the chute 3, and the smooth movement of the sliding center sill 11 is maintained by the through cavity 21 of the sliding center sill 11 sliding along the guide post 2 during the dropping of the sliding center sill 11.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a die-cut device of auto steering knuckle foundry goods which characterized in that: comprises a workbench (1), a die base (4) and a die cutter body (6), wherein the die base (4) is arranged above the workbench (1), a drop hole (5) is arranged on the die base (4), the die cutter body (6) is arranged above the die base (4), a die cutter edge (7) is arranged on the die cutter body (6), a chute (3) is arranged on one side of the die base (4), a pushing plate (24) is arranged on the other side of the die base (4), an electric telescopic rod (25) is arranged on one side of the pushing plate (24), a mounting plate (22) is arranged at the tail end of the electric telescopic rod (25), a supporting guide plate (23) is arranged below the electric telescopic rod (25), a die pressing head (10) is arranged above the die cutter body (6), and a die handle (9) is arranged above the die pressing head (10), a stamping column (8) is arranged above the die handle (9), a sliding middle beam (11) is arranged above the stamping column (8), a telescopic hydraulic cylinder (12) is arranged above the sliding middle beam (11), an upper fixed plate (13) is arranged above the telescopic hydraulic cylinder (12), an upper female die (19) is arranged on the upper fixing plate (13), a guide post (2) is arranged below the upper female die (19), a through cavity (21) is arranged on the sliding middle beam (11), a lower concave die (20) is arranged below the guide post (2), a hydraulic tank (14) is arranged above the upper fixing plate (13), a connecting pipe (16) is arranged on one side wall of the hydraulic tank (14), connecting pipe (16) one side is provided with hydraulic pressure conveyer pipe (15), hydraulic pressure conveyer pipe (15) end is provided with hydraulic pump (17), hydraulic pump (17) one side is provided with control box (18).

2. The dust removing and drying device for the automobile steering knuckle casting punching device according to claim 1, wherein the dust removing and drying device comprises: the die base (4) is connected with the workbench (1) through bolts, and the falling hole (5) is formed in the die base (4).

3. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: push plate (24) with electric telescopic handle (25) pass through bolted connection, electric telescopic handle (25) with mounting panel (22) pass through bolted connection, support deflector (23) with electric telescopic handle (25) welding, support deflector (23) and mounting panel (22) all with workstation (1) passes through bolted connection, electric telescopic handle (25) with control box (18) electricity is connected, swift current silo (3) the shaping in on workstation (1).

4. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: the die cutter body (6) is connected with the die base (4) through a bolt, and the die cutting edge (7) is formed on the die cutter body (6).

5. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: the stamping die pressing head (10) is formed on the die shank (9), and the die shank (9) is connected with the stamping column (8) through a bolt.

6. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: the punching column (8) is connected with the sliding middle beam (11) through threads, and the sliding middle beam (11) is connected with the telescopic hydraulic cylinder (12) through bolts.

7. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: flexible pneumatic cylinder (12) with upper fixed plate (13) pass through bolted connection, go up die (19) shaping in on upper fixed plate (13), down die (20) shaping in on workstation (1), guide post (2) with go up die (19) and down die (20) all connect through the draw-in groove, lead to chamber (21) shaping in on slip centre sill (11), guide post (2) run through lead to chamber (21).

8. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: the telescopic hydraulic cylinder (12) is connected with the hydraulic tank (14) through a pipeline, the hydraulic tank (14) is connected with the upper fixing plate (13) through a bolt, the connecting pipe (16) is formed on the hydraulic tank (14), the connecting pipe (16) is connected with the hydraulic conveying pipe (15) through a pipe hoop, and the hydraulic conveying pipe (15) is connected with the hydraulic pump (17) through a pipe hoop.

9. The die-cutting device for the automobile steering knuckle casting according to claim 1, wherein: the hydraulic pump (17) is connected with the control box (18) through bolts, and the hydraulic pump (17) is electrically connected with the control box (18).

10. An application method of an automobile steering knuckle casting punching device, which is applied to the dust removal drying device of the automobile steering knuckle casting punching device in any one of claims 1 to 9, and is characterized in that: after a casting is placed on the die cutting edge (7), the hydraulic pump (17) starts to work through the control box (18), the telescopic hydraulic cylinder (12) moves downwards through the hydraulic conveying pipe (15) and the hydraulic box (14), so that the telescopic hydraulic cylinder (12) drives the punching column (8) below the sliding middle beam (11) to move downwards, the punching column (8) drives the die pressing head (10) below the die shank (9) to apply pressure on the casting, the die pressing body (6) removes casting burrs around the casting, the die pressing head (10) continuously applies pressure on the casting to enable the casting to sequentially pass through the die cutting edge (7) and the falling hole (5), then the casting falls into the die base (4), and the electric telescopic rod (25) is opened through the control box (18), the trimmed castings are pushed to the chute (3) by the pushing plate (24) at the tail end of the sliding middle beam, the castings fall into an external storage device through the chute (3), and the stable motion state of the sliding middle beam (11) is kept by sliding the through cavity (21) on the sliding middle beam (11) along the guide column (2) in the falling process of the sliding middle beam (11).