CN212917230U

CN212917230U - Punching and shaping die

Info

Publication number: CN212917230U
Application number: CN202021288527.6U
Authority: CN
Inventors: 朱君荣
Original assignee: Wenling Jiaxuan Machinery Co ltd
Current assignee: Zhejiang Jiaxuan Machinery Co.,Ltd.
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-09
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to a plastic mould punches a hole relates to the technical field of punching equipment, including base, lower mould and lifter plate, the lifter plate on be equipped with the jumper bar, still include shedder, shedder include support piece and slider, support piece set up on the base, the slider include sliding plate and two piece at least sliding bars, the sliding plate cover establish the sliding bar on and with sliding bar sliding connection, the jumper bar on the cover establish the elastic component, the elastic component be located between sliding plate and the lifter plate, the sliding plate on be equipped with the through-hole that is used for the jumper bar to wear out. This application has more convenient effect when material loading and unloading.

Description

Punching and shaping die

Technical Field

The application relates to the field of punching equipment, in particular to a punching and shaping die.

Background

In the process of producing the workpiece, the workpiece is punched according to production requirements, and after the punching is finished, the workpiece is attached to the punch. Referring to fig. 1, in the related punching die, in order to make the workpiece fall off the punch, a baffle 01 is arranged on a base 1, a through hole is formed in the baffle 01, the punch penetrates through the through hole to punch the workpiece, and after the punching is finished, the workpiece is attached to the punch and moves upwards until the workpiece is contacted with the baffle and falls off the punch.

To the correlation technique among the above-mentioned, but in the use, the existence of baffle can have the problem of sheltering from for material loading and unloading are comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to make more convenient when material loading and unloading, this application provides a plastic mould punches a hole.

The application provides a shaping mould punches a hole adopts following technical scheme:

the utility model provides a plastic mould punches a hole, includes base, lower mould and lifter plate, the lifter plate on be equipped with the jumper bar, still include shedder, shedder include support piece and slider, support piece set up on the base, the slider include sliding plate and two piece at least slide bars, the sliding plate cover establish the slide bar on and with slide bar sliding connection, the jumper bar on the cover establish the elastic component, the elastic component be located between sliding plate and the lifter plate, the sliding plate on be equipped with the through-hole that is used for the jumper bar to wear out.

By adopting the technical scheme, when the lifting plate descends, the sliding rod and the sliding plate can be driven to descend, when the sliding plate is in contact with the supporting piece and supported by the supporting piece, the lifting plate still continues to descend, at the moment, the elastic piece can deform, the punch rod can extend out of the through hole and stamp a workpiece so as to achieve the purpose of punching the workpiece, when the punching is completed, the lifting plate moves upwards, the sliding plate still contacts with the supporting piece under the action of the elastic piece, at the moment, when the workpiece is attached to the punch rod and rises along with the punch rod, the workpiece can be in contact with the sliding plate, when the punch rod continues to rise, the workpiece can fall off from the punch rod under the blocking of the sliding plate, when the lifting plate continues to rise, the sliding plate can be separated from the supporting piece and rises along with the lifting plate, so that the distance between the sliding plate and the lower die is increased, and the shielding effect of the sliding plate on, so that the feeding and the blanking are convenient.

Preferably, the base is further provided with a guide rod, and the sliding rod is provided with a guide groove matched with the guide rod.

Through adopting above-mentioned technical scheme, the lifter plate is at the in-process that goes up and down, and the guide bar can slide in the guide way, consequently can make the lifter plate more stable at the removal in-process.

Preferably, the number of the elastic members is at least two, and the elastic members are disc springs.

Through adopting above-mentioned technical scheme, when using, belleville spring's stress distribution is evenly decreased progressively from inside to outside, can realize the high compensation power of low stroke to make the effect of compressing tightly to the sliding plate better.

Preferably, the number of the disc springs is four, two deformation groups are formed, and a single deformation group comprises two disc springs which are oppositely arranged.

Through adopting above-mentioned technical scheme, when using, because single deformation group is including two belleville springs of relative setting, consequently further strengthened the effect that compresses tightly to the sliding plate.

Preferably, the base on still be equipped with liftout mechanism, liftout mechanism include the liftout pole, the lower mould on be equipped with the liftout hole that is used for the liftout pole to wear out.

By adopting the technical scheme, when the workpiece falls onto the lower die from the punch rod, the workpiece can be ejected out from the die cavity of the lower die due to the existence of the ejector rod, so that the workpiece can be conveniently discharged.

Preferably, the material ejecting mechanism comprises an air cylinder, the air cylinder is connected with the material ejecting rod, and the base is provided with a fixing cavity for mounting the air cylinder.

By adopting the technical scheme, when the telescopic ejection rod mechanism is used, the telescopic ejection rod mechanism can stretch out and draw back through the air cylinder connected with the ejection rod, so that the operation is more convenient.

Preferably, the lifting plate is detachably connected with the plunger.

Through adopting above-mentioned technical scheme, in the reuse process, when the jumper bar damaged, can dismantle the jumper bar from the lifter plate to change the jumper bar.

Preferably, the lifting plate is connected with an installation ring cover through a bolt, an installation cavity is formed between the installation ring cover and the lifting plate, the punch rod is provided with an installation plate, and the installation plate is installed in the installation cavity.

By adopting the technical scheme, when the plunger rod is replaced, the mounting ring cover is detached from the lifting plate, and the plunger rod is not connected with the lifting plate when the mounting ring cover is detached from the lifting plate because the mounting plate is mounted in the mounting cavity.

In summary, the present application includes at least one of the following beneficial technical effects:

the sliding plate can rise along with the lifting plate, so that the distance between the sliding plate and the lower die is increased, the shielding effect of the sliding plate on the lower die is reduced, and the feeding and the discharging are more convenient;

the lifter plate is at the in-process that goes up and down, and the guide bar can slide in the guide way, consequently can make the lifter plate more stable at the removal in-process.

Drawings

Fig. 1 is a schematic view of a related punching die structure.

Fig. 2 is a schematic structural diagram of an embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 4 is a schematic view of the structure of the lifting plate and the plunger according to the embodiment of the present application.

Description of reference numerals: 1. a base; 01. a baffle plate; 11. a lifting plate; 12. a lower die; 2. a demolding device; 21. a support member; 221. a slide bar; 222. a sliding plate; 223. a guide groove; 23. a guide bar; 24. an elastic member; 31. a cylinder; 32. a lifter bar; 4. punching; 41. mounting a plate; 5. installing a ring cover; 51. a mounting cavity; 6. and (5) deformation group.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses plastic mould punches a hole, refer to fig. 2 and 3, including base 1, lower mould 12, lifter plate 11, shedder 2 and be used for driving the power supply that lifter plate 11 reciprocated, the power supply can be the mode that the motor drove the crank connecting rod to realize that lifter plate 11 reciprocates, also can adopt the hydro-cylinder. The punch 4 is detachably connected to the lifting plate 11, the demolding device 2 comprises a support piece 21 and a sliding piece, the support piece 21 is arranged on the base 1, the support piece 21 is a support block and is two in number, the support piece is symmetrically arranged on two sides of the lower mold 12, the sliding piece comprises a sliding plate 222 and two sliding rods 221, the sliding plate 222 is sleeved on the two sliding rods 221 and is in sliding connection with the sliding rods 221, one end of each sliding rod 221 is provided with threads and is connected with a nut, the sliding plate 222 is prevented from being separated from the sliding rods 221, the elastic piece 24 is sleeved on the punch 4 and is located between the sliding plate 222 and the lifting plate 11, and a through hole for the punch 4 to penetrate out is formed in the sliding. The base 1 is further provided with a guide rod 23, the sliding rod 221 is provided with a guide groove 223 matched with the guide rod 23, and the sliding rod 221 is located in the guide groove 223.

Referring to fig. 4, the number of the elastic members 24 is four and the elastic members 24 are disc springs, the four disc springs form two deformation groups 6, and a single deformation group 6 includes two disc springs disposed oppositely.

Referring to fig. 3, the base 1 is further provided with an ejection mechanism, the ejection mechanism includes an ejection rod 32 and a cylinder 31 connected to the ejection rod 32, the lower die 12 is provided with an ejection hole through which the ejection rod 32 penetrates, and the base 1 is provided with a fixing cavity for installing the cylinder 31.

Referring to fig. 4, a mounting ring cover 5 is connected to the lifting plate 11 through bolts, a mounting cavity 51 is formed between the mounting ring cover 5 and the lifting plate 11, a mounting plate 41 is arranged on the plunger 4, and the mounting plate 41 is mounted in the mounting cavity 51.

The implementation principle of the punching and shaping die in the embodiment of the application is as follows: in use, the lifting plate 11 is driven by the power source to move downwards. The lifting plate 11 drives the punch 4 and the demoulding device 2 to move downwards, when the sliding plate 222 is in contact with the supporting block, the lifting plate 11 continues to move downwards, and at the moment, the disc spring deforms. Because the lifting plate 11 continues to move downwards, the punch 4 also continues to move downwards, a workpiece placed on the lower die 12 is punched, after punching is completed, the power source drives the lifting plate 11 to move upwards to drive, at the moment, the punch 4 moves upwards, and the belleville spring deforms, so that the sliding plate 222 still contacts with the supporting block under the action of the belleville spring, when the workpiece attached to the punch 4 contacts with the sliding plate 222, because the punch 4 continues to move upwards, the workpiece can fall off from the punch 4 and fall into the die cavity of the lower die 12 and is ejected by the ejecting mechanism, and along with the continuous rising of the lifting plate 11, the sliding plate 222 also can rise along with the lifting plate 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a shaping mould punches a hole, includes base (1), lower mould (12) and lifter plate (11), lifter plate (11) on be equipped with jumper bar (4), its characterized in that: the demolding device (2) comprises a supporting piece (21) and a sliding piece, the supporting piece (21) is arranged on the base (1), the sliding piece comprises a sliding plate (222) and at least two sliding rods (221), the sliding plate (222) is sleeved on the sliding rods (221) and is in sliding connection with the sliding rods (221), the punch rod (4) is sleeved with an elastic piece (24), the elastic piece (24) is located between the sliding plate (222) and the lifting plate (11), and the sliding plate (222) is provided with a through hole for the punch rod (4) to penetrate out.

2. A punch shaping die as defined in claim 1, wherein: the base (1) is also provided with a guide rod (23), and the sliding rod (221) is provided with a guide groove (223) matched with the guide rod (23).

3. A punch shaping die as defined in claim 1, wherein: the number of the elastic pieces (24) is at least two, and the elastic pieces (24) are disc springs.

4. A punch shaping die as defined in claim 3, wherein: the number of the disc springs is four, two deformation groups (6) are formed, and each deformation group (6) comprises two disc springs which are arranged oppositely.

5. A punch shaping die as defined in claim 1, wherein: the base (1) on still be equipped with liftout mechanism, liftout mechanism include ejector beam (32), lower mould (12) on be equipped with the ejector beam hole that is used for ejector beam (32) to wear out.

6. The punch shaping die of claim 5, wherein: the ejection mechanism comprises an air cylinder (31), the air cylinder (31) is connected with an ejection rod (32), and a fixing cavity for mounting the air cylinder (31) is formed in the base (1).

7. A punch shaping die as defined in claim 1, wherein: the lifting plate (11) is detachably connected with the punch rod (4).

8. The punch shaping die of claim 7, wherein: the improved punching die is characterized in that the lifting plate (11) is connected with an installation ring cover (5) through a bolt, an installation cavity (51) is formed between the installation ring cover (5) and the lifting plate (11), the punching rod (4) is provided with an installation plate (41), and the installation plate (41) is installed in the installation cavity (51).