CN216369710U

CN216369710U - Die stamping device with overvoltage protection function

Info

Publication number: CN216369710U
Application number: CN202122521648.1U
Authority: CN
Inventors: 张�杰; 王睿志; 邢冬
Original assignee: Ospu Mould Technology Nantong Co ltd
Current assignee: Ospu Mould Technology Nantong Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-26
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a die stamping device with an overvoltage protection function, which comprises a shell, wherein a workbench is arranged in the shell, a groove is arranged on the surface of the workbench, a die is arranged in the groove, a contour groove is arranged in the die, an air pump is arranged at the top of the shell, a telescopic rod is arranged at the top of the inner side of the shell, an air pipe is connected between the air pump and the telescopic rod, a pressure head is arranged at the tail end of the telescopic rod, a top plate is arranged at the bottom of the die, a first piston cavity is connected below the top plate, clamping plates are arranged at two sides of the die, a second piston cavity is connected at two sides of the clamping plates, the first piston cavity is connected with the second piston cavity through a pipeline, an outer sleeve is arranged at the upper part of the telescopic rod, an air cavity is arranged in the outer sleeve, and a piston is arranged in the air cavity, the utility model has the characteristics of strong practicability and overvoltage protection.

Description

Die stamping device with overvoltage protection function

Technical Field

The utility model relates to the technical field of die stamping, in particular to a die stamping device with an overvoltage protection function.

Background

As is well known, a stamping die is a process equipment for processing a blank into a part or a semi-finished product, and is widely applied to the field of industrial production, and generally comprises an upper die set and a lower die set, wherein the upper die set comprises an upper die base, an upper clamping plate and a male die, and the lower die set comprises a female die, a lower backing plate, a lower die base and the like. During stamping, a blank is placed between the upper die set and the lower die set, the upper die set moves downwards and drives the male die to punch the blank downwards, and the blank is generally ejected by the die ejection device after the stamping is finished.

The existing die stamping device has no protection effect on a workpiece and a die in the stamping process, the impact force on the stamping die is large, and the service life of the device is influenced, so that the die stamping device with the overvoltage protection function and strong practicability is necessary to design.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a die stamping device with an over-pressure protection function, so as to solve the problems mentioned in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a mould stamping device with overvoltage protection function, includes the shell, the inside of shell is provided with the workstation, the surface of workstation is provided with the recess, the inside of recess is provided with the mould, the inside of mould is provided with the profile groove, the top of shell is provided with the air pump, the inboard top of shell is provided with the telescopic link, be connected with the trachea between air pump and the telescopic link, the pressure head is installed to the end of telescopic link.

According to the technical scheme, the bottom of the mold is provided with the top plate, the first piston cavity is connected below the top plate, the two sides of the mold are provided with the clamping plates, the two sides of the clamping plates are connected with the second piston cavity, and the first piston cavity is connected with the second piston cavity through a pipeline.

According to the technical scheme, an outer sleeve is arranged on the upper portion of the telescopic rod, an air cavity is arranged inside the outer sleeve, a piston is arranged inside the air cavity, an air inlet hole is formed in the top of the outer sleeve and connected with an air pipe, an inner rod is connected below the piston, and pressure relief holes are formed in two sides of the outer sleeve.

According to the technical scheme, the bottom of the shell is provided with the support, and the bottom of the support is provided with the bottom plate.

According to the technical scheme, a spring is connected between the piston and the top of the outer sleeve.

According to the technical scheme, the shell is made of stainless steel.

Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,

(1) the air pump and the pressure head are arranged, when a workpiece is machined, the workpiece is firstly placed into the die on the surface of the workbench, the workpiece and the die can be tightly attached through the contour groove in the die, the stamping precision is improved, after the workpiece is placed, the air pump at the top of the shell is started, air flow flows into the telescopic rod along the air pipe, the telescopic rod is extended, the pressure head mounted at the tail end of the telescopic rod is driven to move downwards, the work price is stamped, after stamping is finished, the air pump is closed, the telescopic rod is shortened, the pressure head is lifted, and by the steps, the workpiece is stamped;

(2) by arranging the top plate and the clamping plates, when a workpiece is stamped by the pressure head, pressure is generated on the die, so that the die moves downwards to drive the top plate below the die to move downwards, fluid in the piston cavity I connected below the top plate flows into the piston cavities II on two sides along the pipeline, the clamping plates on two sides of the die are pushed to move in opposite directions to clamp the die, the die is prevented from shaking during stamping, and the stamping effect is improved;

(3) through being provided with outer tube and pressure release hole, when the telescopic link extends, the air current that the air pump produced flows in the inside air cavity of outer tube through the inlet port along the trachea, promote piston downstream, pole downstream in the drive, the pressure head downstream, when the inside atmospheric pressure of air cavity is too big, the motion range of piston is great, the pressure of pressure head is too big, damage the work piece easily, when the piston motion is to crossing the pressure release hole, the inside unnecessary gas of air cavity is discharged along the pressure release hole, the pressure that prevents the pressure head production is too big, through the aforesaid step, the overvoltage protection to the work piece has been realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall elevational cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of the internal mechanism of the telescoping rod of the present invention;

in the figure: 1. a housing; 2. a support; 3. a telescopic rod; 4. an air pump; 5. a pressure head; 6. a groove; 7. a mold; 8. a top plate; 9. a piston cavity II; 10. a splint; 11. a first piston cavity; 12. a base plate; 13. an outer sleeve; 14. an air cavity; 15. a piston; 16. an inner rod; 17. an air inlet; 18. a pressure relief vent; 19. a spring; 20. an air tube; 21. a contour groove.

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.

Referring to fig. 1-2, the present invention provides the following technical solutions: a die stamping device with an overvoltage protection function comprises a shell 1, a workbench 22 is arranged inside the shell 1, a groove 6 is arranged on the surface of the workbench 22, a die 7 is arranged inside the groove 6, a contour groove 21 is arranged inside the die 7, an air pump 4 is arranged at the top of the shell 1, a telescopic rod 3 is arranged at the top of the inner side of the shell 1, an air pipe 20 is connected between the air pump 4 and the telescopic rod 3, a pressure head 5 is arranged at the tail end of the telescopic rod 3, when a workpiece is machined, the workpiece is firstly placed into the die 7 on the surface of the workbench 22, the contour groove 21 inside the die 7 can enable the workpiece to be tightly attached to the die 7, stamping precision is improved, after the workpiece is placed, the air pump 4 at the top of the shell 1 is started, air flow into the telescopic rod 3 along the air pipe 20, the telescopic rod 3 is extended, and the pressure head 5 arranged at the tail end of the telescopic rod 3 is driven to move downwards, stamping the labor price, closing the air pump 4 after stamping, shortening the telescopic rod 3 and lifting the pressure head 5, and stamping the workpiece through the steps, so that the structure is simple and the operation is convenient;

the bottom of the die 7 is provided with a top plate 8, a first piston cavity 11 is connected below the top plate 8, clamping plates 10 are arranged on two sides of the die 7, a second piston cavity 9 is connected on two sides of each clamping plate 10, the first piston cavity 11 is connected with the second piston cavity 9 through a pipeline, and when a workpiece is stamped by the pressure head 5, the die 7 generates pressure to drive the die 7 to move downwards so as to drive the top plate 8 below the die 7 to move downwards, so that fluid in the first piston cavity 11 connected below the top plate 8 flows into the second piston cavities 9 on two sides along the pipeline to push the clamping plates 10 on two sides of the die 7 to move oppositely, so that the die 7 is clamped, the die 7 is prevented from shaking during stamping, and the stamping effect is improved;

an outer sleeve 13 is arranged at the upper part of the telescopic rod 3, an air cavity 14 is arranged inside the outer sleeve 13, a piston 15 is arranged inside the air cavity 14, an air inlet 17 is arranged at the top of the outer sleeve 13, the air inlet 17 is connected with an air pipe 20, an inner rod 16 is connected below the piston 15, pressure relief holes 18 are arranged on two sides of the outer sleeve 13, when the telescopic rod 3 extends, air flow generated by the air pump 4 flows into the air cavity 14 inside the outer sleeve 13 through the air inlet 17 along the air pipe 20, the piston 15 is pushed to move downwards to drive the inner rod 16 to move downwards, the pressure head 5 moves downwards, when the air pressure inside the air cavity 14 is too high, the movement amplitude of the piston 15 is large, the pressure of the pressure head 5 is too high, the workpiece is easily damaged, when the piston 15 moves to cross the pressure relief holes 18, redundant air inside the air cavity 14 is discharged along the pressure relief holes 18 to prevent the pressure generated by the pressure head 5 from being too high, through the steps, the overvoltage protection of the workpiece is realized;

the bottom of the shell 1 is provided with the bracket 2, the bottom of the bracket 2 is provided with the bottom plate 12, and the bracket 2 and the bottom plate 12 are arranged, so that the stability of the device is effectively improved, and the stamping effect is improved;

a spring 19 is connected between the piston 15 and the top of the outer sleeve 13, the telescopic rod 3 extends during punching, the spring 19 extends along with the extension of the telescopic rod to generate a pulling force, and the telescopic rod 3 is reset under the action of the pulling force of the spring 19 after punching is finished, so that the automatic resetting of the device is realized through the steps;

the shell 1 is made of stainless steel, and has the advantages of high strength, corrosion resistance and long service life.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A die stamping device with an overvoltage protection function comprises a shell (1), and is characterized in that: the inside of shell (1) is provided with workstation (22), the surface of workstation (22) is provided with recess (6), the inside of recess (6) is provided with mould (7), the inside of mould (7) is provided with profiling groove (21), the top of shell (1) is provided with air pump (4), the inboard top of shell (1) is provided with telescopic link (3), be connected with trachea (20) between air pump (4) and telescopic link (3), pressure head (5) are installed to the end of telescopic link (3).

2. The die stamping device with an overvoltage protection function as claimed in claim 1, wherein: the bottom of mould (7) is provided with roof (8), the below of roof (8) is connected with piston chamber one (11), the both sides of mould (7) are provided with splint (10), the both sides of splint (10) are connected with piston chamber two (9), piston chamber one (11) are connected through the pipeline with piston chamber two (9).

3. The die stamping device with an overvoltage protection function as claimed in claim 2, wherein: the telescopic rod is characterized in that an outer sleeve (13) is arranged on the upper portion of the telescopic rod (3), an air cavity (14) is arranged inside the outer sleeve (13), a piston (15) is arranged inside the air cavity (14), an air inlet hole (17) is arranged at the top of the outer sleeve (13), the air inlet hole (17) is connected with an air pipe (20), an inner rod (16) is connected below the piston (15), and pressure relief holes (18) are formed in two sides of the outer sleeve (13).

4. The die stamping device with an overvoltage protection function as claimed in claim 3, wherein: the bottom of shell (1) is provided with support (2), the bottom of support (2) is provided with bottom plate (12).

5. The die stamping device with an overvoltage protection function as claimed in claim 4, wherein: a spring (19) is connected between the piston (15) and the top of the outer sleeve (13).

6. The die stamping device with an overvoltage protection function as claimed in claim 5, wherein: the shell (1) is made of stainless steel.