CN210098668U

CN210098668U - High-precision shaft hole punching die for plate material

Info

Publication number: CN210098668U
Application number: CN201920656726.9U
Authority: CN
Inventors: 朱超; 朱家平
Original assignee: Nanjing Super State Electromechanical Manufacturing Co Ltd
Current assignee: Nanjing Super State Electromechanical Manufacturing Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-02-21
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a high accuracy shaft hole die-cut mould for sheet material spare relates to cut-out press technical field, including upper die base and die holder, install the first drive arrangement that punching press terrace die and drive punching press terrace die go up and down on the upper die base, still install shaft hole drift and the second drive arrangement that drives shaft hole drift go up and down between punching press terrace die and the upper die base on the upper die base, the middle part of punching press terrace die is seted up and is supplied the first through-hole that the shaft hole drift passed, be provided with the punching press die corresponding to the punching press terrace die on the die holder, set up the second through-hole that supplies the shaft hole drift to stretch into on the punching press die; the utility model discloses can avoid die-cut in the twinkling of an eye, the skew of position takes place for the work piece atress, simultaneously, also can avoid the shrink or the expansion in the sheet material spare shaft hole that is processed to the precision of sheet material spare processing has been guaranteed.

Description

High-precision shaft hole punching die for plate material

Technical Field

The utility model relates to a cut-out press technical field especially relates to a die-cut mould in high accuracy shaft hole for sheet material spare.

Background

The existing blanking and punching of a metal plate workpiece with a shaft hole generally adopts a forming die head connected with an upper die to perform punching processing, the plate workpiece is generally in a non-compaction free state when the shaft hole is punched, in addition, the position of the plate workpiece may have small deviation at the moment of punching of the processed plate workpiece by the forming die head, in addition, strip tissues of the metal plate workpiece are damaged in the plate rolling process, the contraction or expansion of the shaft hole of the processed plate workpiece is inevitably generated, and the deformation of the shaft hole including the roundness, the diameter, the shape and the like of the metal plate workpiece occurs, so that the precision of the processed plate workpiece is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a die-cut mould in high accuracy shaft hole for sheet material spare.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a die-cut mould in high accuracy shaft hole for sheet material spare, includes upper die base and die holder, install the first drive arrangement that punching press terrace die and drive punching press terrace die go up and down on the upper die base, lie in the second drive arrangement that still installs shaft hole drift and drive shaft hole drift go up and down between punching press terrace die and the upper die base on the upper die base, the first through-hole that supplies the shaft hole drift to pass is seted up at the middle part of punching press terrace die, be provided with the punching press die corresponding to the punching press terrace die on the die holder, set up the second through-hole that supplies the shaft hole drift to stretch into on the punching press die.

Furthermore, a transmission plate is arranged at the upper end of the stamping male die and connected with the first driving device, a third through hole for the shaft hole punch to penetrate through is formed in the middle of the transmission plate, and an elastic part is arranged between the stamping male die and the transmission plate.

The high-precision shaft hole punching die for the plate material part is characterized in that the elastic part is a return spring.

The die-cut mould in high accuracy shaft hole for sheet material spare preceding, the last position of die holder has seted up the waste material groove with the below of punching press die, waste material groove and second through-hole intercommunication.

The high-precision shaft hole punching die for the sheet material part is characterized in that the second driving device is arranged in the middle of the lower end face of the upper die base, and the first driving devices are arranged at two sides of the first driving device.

The high-precision shaft hole punching die for the plate part comprises a first driving device, a second driving device and a die core, wherein the first driving device is a hydraulic cylinder, and the second driving device is an air cylinder.

The utility model has the advantages that:

(1) the utility model discloses a cooperation of punching press terrace die and punching press die can be stamped the work piece, after the punching press finishes, because the pressurization effect of punching press terrace die and punching press die to the work piece, make the work piece be in the compaction state, the position is fixed, carries out shaft hole die-cut to the work piece this moment again, can avoid the moment of die-cut, the work piece atress takes place the skew of position, simultaneously, also can avoid the shrink or the expansion of the sheet material spare shaft hole of processing to the precision of sheet material spare processing has been guaranteed;

(2) the utility model is provided with the transmission plate above the stamping male die, and the elastic part is arranged between the transmission plate and the stamping male die, after the stamping process of the workpiece is completed, when the stamping male die rises, the elastic part applies elastic force to the stamping male die, so that the stamping male die vibrates, the workpiece possibly adhered on the stamping male die drops, and the unloading is completed;

(3) the utility model discloses still seted up the dirty tank on the die holder, the waste material that produces after the die-cut in shaft hole can directly drop to the dirty tank in, has realized the automatic collection of waste material, has guaranteed operational environment's clean and tidy.

Drawings

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

wherein: 1. an upper die holder; 2. a lower die holder; 3. stamping a male die; 4. a first driving device; 5. a shaft hole punch; 6. a second driving device; 7. a first through hole; 8. a second through hole; 9. a drive plate; 10. an elastic member; 11. a waste chute; 12. a third through hole; 13. and stamping a groove.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

The embodiment provides a die-cut mould in high accuracy shaft hole for sheet material spare, refers to fig. 1, and including upper die base 1 and die holder 2, upper die base 1 passes through stand fixed mounting directly over die holder 2.

Two first driving devices 4 are installed on the lower end surface of the upper die holder 1, and the first driving devices 4 can be hydraulic cylinders. The two hydraulic cylinders are respectively arranged on the left side and the right side of the lower end surface of the upper die base 1. The output of two pneumatic cylinders all is connected with driving plate 9, and two pneumatic cylinders drive driving plate 9 jointly and go up and down, and at the lift in-process, driving plate 9 is located the horizontal direction all the time.

The lower part of the transmission plate 9 is connected with a stamping male die 3 through a return spring, a stamping female die is correspondingly and fixedly arranged on the lower die holder 2, and a stamping cavity is formed in the middle of the stamping groove 13. Through the drive of the hydraulic cylinder and the drive of the transmission plate 9, the stamping male die 3 can be driven to move towards the stamping female die, and the stamping of the plate part is completed.

And a second driving device 6 is further installed in the middle of the lower end face of the upper die holder 1, the second driving device 6 can be an air cylinder, and the air cylinder is located between the two hydraulic cylinders. The cylinder transmission is connected with shaft hole drift 5, and the initial position of shaft hole drift 5 is between driving plate 9 and upper die base 1, can drive shaft hole drift 5 through the drive of cylinder and go up and down. The position of the transmission plate 9 corresponding to the shaft hole punch 5 is provided with a third through hole 12, the position of the stamping male die 3 corresponding to the shaft hole punch 5 is provided with a first through hole 7, and the shaft hole punch 5 can extend to the lower part of the stamping male die 3 through the third through hole 12 and the first through hole 7 under the driving of the cylinder.

A second through hole 8 is formed in the position, corresponding to the shaft hole punch 5, of the punching female die, a waste trough 11 is further installed below the punching female die on the lower die holder 2, and the waste trough 11 is communicated with the second through hole 8.

The specific working description is as follows: firstly, a sheet material to be processed is placed on a stamping female die, then a first driving device 4 drives a transmission plate 9 and a stamping male die 3 to move downwards, when the stamping male die 3 is abutted against the surface of the sheet material, the transmission plate 9 continues to move downwards, a return spring between the transmission plate 9 and the stamping male die 3 is gradually compressed, the stamping male die 3 continues to move downwards, and the sheet material is stamped by matching with the stamping female die; after the punching press is completed, the position of the punching male die 3 is kept unchanged, then the second driving device 6 drives the shaft hole punch 5 to move downwards, the shaft hole punch 5 sequentially penetrates through the third through hole 12, the plate material piece is punched after the first through hole 7, the shaft hole punch 5 drives the waste material to enter the second through hole 8, the waste material automatically falls into the waste material groove 11, then the second driving device 6 drives the shaft hole punch 5 to ascend, after the shaft hole punch 5 ascends for a certain distance, the second driving device 6 drives the punching male die 3 and the transmission plate 9 to ascend, at the moment, the plate material piece can be adhered to the punching male die 3, the reset spring between the punching male die 3 and the transmission plate 9 applies reset elasticity to the punching male die 3, the punching male die 3 is made to vibrate, the plate material piece is made to fall, and automatic discharging is completed.

In addition to the above embodiments, the present invention may have other embodiments; all the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1. The utility model provides a die-cut mould in high accuracy shaft hole for sheet material spare, includes upper die base (1) and die holder (2), its characterized in that:

the stamping die is characterized in that the upper die base (1) is provided with a stamping male die (3) and a first driving device (4) for driving the stamping male die (3) to lift, a shaft hole punch (5) and a second driving device (6) for driving the shaft hole punch (5) to lift are further arranged between the stamping male die (3) and the upper die base (1) on the upper die base (1), the middle part of the stamping male die (3) is provided with a first through hole (7) for the shaft hole punch (5) to pass through,

and a punching female die is arranged on the lower die holder (2) corresponding to the punching male die (3), and a second through hole (8) for the shaft hole punch (5) to extend into is formed in the punching female die.

2. A high-precision shaft hole blanking die for sheet material pieces as claimed in claim 1, wherein: the upper end of punching press terrace die (3) is provided with driving plate (9), driving plate (9) are connected with first drive arrangement (4), third through-hole (12) that supply shaft hole drift (5) to pass are seted up at the middle part of driving plate (9), be provided with elastic component (10) between punching press terrace die (3) and driving plate (9).

3. A high-precision shaft hole blanking die for sheet material members as set forth in claim 2, wherein: the elastic piece (10) is a return spring.

4. A high-precision shaft hole blanking die for sheet material pieces as claimed in claim 1, wherein: and a waste trough (11) is arranged on the upper part of the lower die holder (2) and below the stamping female die, and the waste trough (11) is communicated with the second through hole (8).

5. A high-precision shaft hole blanking die for sheet material pieces as claimed in claim 1, wherein: the second driving devices (6) are arranged in the middle of the lower end face of the upper die base (1), and the number of the first driving devices (4) is two, and the two driving devices are located on two sides of the first driving devices (4).

6. A high-precision shaft hole blanking die for sheet material pieces as claimed in claim 1, wherein: the first driving device (4) is a hydraulic cylinder, and the second driving device (6) is an air cylinder.