CN211386578U

CN211386578U - One-step completed inner buckle bending die

Info

Publication number: CN211386578U
Application number: CN201921306079.5U
Authority: CN
Inventors: 徐尚华
Original assignee: Wuxi Crystalht Technology Co ltd
Current assignee: Wuxi Crystalht Technology Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-09-01
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a mould for completing inner buckle bending in one step, which comprises an upper mould component and a lower mould component and is characterized in that the upper mould component comprises an upper mould base, an upper padding plate, an upper fixing plate and a stripper plate, wherein the upper mould base, the upper padding plate, the upper fixing plate and the stripper plate are fixed in sequence from top to bottom to form an upper half section which can move in time along with a press machine and the stripper plate; a rectangular spring is arranged among the stripper plate, the upper die base, the upper padding plate and the upper fixing plate, so that the stripper plate, the upper die base, the upper padding plate and the upper fixing plate can generate relative motion, a driving block is arranged on one side of the upper fixing plate close to the lower die assembly, and a bending male die is arranged on one side of the stripper plate close to the lower die assembly; lower mould subassembly is located last mould subassembly under, and lower mould subassembly from the top down includes: the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixedly mounted. The utility model discloses production efficiency is high, simple process, and interior knot with low costs is bent and is rolled up a circle stamping die.

Description

One-step completed inner buckle bending die

Technical Field

The utility model mainly relates to a stamping die field especially relates to a detain mould of bending in one step of accomplishing.

Background

In the stamping processing industry, similar rolling parts are often encountered, the traditional method is that the rolling process can be completed after multi-step forming, and the process is complicated, time-consuming and labor-consuming, low in efficiency and high in cost.

The published Chinese invention patent, application number CN201711134539.6, patent name: the utility model provides a stamping die bends, application date: 2017-11-16, the utility model relates to a stamping die bends, including upper die base, die holder, fixed punch holder, the drift of bending, the mould platform of bending, cylinder, flexible guide pillar and fixed guide pin bushing, be equipped with the drift of bending in the middle of the bottom of upper die base, the bottom of upper die base is equipped with fixed punch holder, just the upper die base is unanimous with the size of fixed punch holder, the centre of fixed punch holder is equipped with the guiding hole, the guiding hole is corresponding structure with the drift of bending, the bottom of fixed punch holder is equipped with the die holder, the top of die holder is equipped with the mould platform of bending, the bottom both sides of die holder are equipped with the cylinder, the top both sides distribution of die holder has flexible guide pillar. This stamping die bends all sets up the cylinder through the bottom both sides at the lower die base, and sets up three flexible guide pillar at the top of cylinder, and the fixed punch holder of being convenient for goes up and down to bend stamping die work, but effectual control upper die base makes it drive the drift of bending at the during operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mould of buckling in one step is accomplished, to the above-mentioned defect of prior art, provide a mould of buckling in one step is accomplished, including upper die assembly and lower die assembly, its characterized in that, upper die assembly includes upper die base 1, upper padding plate 2, upper fixed plate 3 and stripper 4, and upper die base 1, upper padding plate 2, upper fixed plate 3 and stripper 4 are fixed in proper order from top to bottom, become the first half section that can in time move along with the press;

a rectangular spring A12 is arranged between the discharging plate 4 and the upper die holder 1, between the discharging plate 4 and the upper backing plate 2 and between the discharging plate 4 and the upper fixing plate 3, so that relative motion is generated between the discharging plate and the upper die holder 1, between the discharging plate and the upper fixing plate 3, a driving block 9 is arranged on one side of the upper fixing plate 3 close to the lower die assembly, and a bending male die 13 is arranged on one side of the discharging plate 4;

the lower mould subassembly is located the mould subassembly under, lower mould subassembly from the top down includes: the lower die plate 5, the lower fixing plate 6, the lower cushion plate 7 and the lower die base 8 are fixedly arranged among the lower die plate 5, the lower fixing plate 6, the lower cushion plate 7 and the lower die base 8;

the lower fixed plate 6 is internally provided with a guide plate 11, the lower die assembly is internally provided with a slide block 10 which is arranged on a rectangular spring B15 and slides relative to the guide plate 11, the slide block 10 is provided with an inclined plane matched with the driving block 9,

a forming block 16 is embedded on one side of the sliding block 10 close to the bending male die 13, a bending female die 14 is arranged on the lower die plate 5 corresponding to the bending male die 13, and a guide pin 17 of a positioning piece 19 is further arranged on the lower die plate 5.

Preferably, the upper die holder 1, the upper backing plate 2, the upper fixing plate 3 and the stripper plate 4 are fixed by a contour screw 18.

Preferably, the pilot pin 17 is disposed on a side of the lower template 5 adjacent to the piece 19 and passes through the piece 19.

Preferably, one side of the driving block 9 close to the inclined plane of the sliding block 10 is provided with a corresponding inclined plane, and the upper side and the lower side of the inclined plane are both provided with round corners.

Preferably, the driving block 9 is fixedly mounted on the upper mat 2 on a side thereof adjacent to the lower die assembly by means of bolts.

Preferably, the guide plate 11 is fixedly mounted on the lower mat 7 by means of bolts, which are provided in plurality.

Preferably, the shape of the shaped block 16 corresponds to the shape of the product.

The utility model has the advantages that: the rolling and bending process is realized through the driving arrangement of the driving block and the inclined plane of the sliding block, the efficiency is improved, and the workpiece can be taken after being separated from the bending male die and the bending female die, so that the development cost of the die is reduced, and the stability of the workpiece is improved.

Drawings

FIG. 1 is a block diagram of the present invention;

in the figure, the position of the upper end of the main shaft,

1. an upper die holder; 2. an upper base plate; 3. an upper fixing plate; 4. a stripper plate; 5. a lower template; 6. a lower fixing plate; 7. a lower base plate; 8. a lower die holder; 9. a drive block; 10. a slider; 11. a guide plate; 12. a rectangular spring A; 13. bending the male die; 14. bending the female die; 15. a rectangular spring B; 16. forming a block; 17. a pilot pin; 18. an equal-height screw; 19. and (5) manufacturing the product.

Detailed Description

As shown in fig. 1, the present invention includes: the upper die assembly comprises an upper die base 1, an upper backing plate 2, an upper fixing plate 3 and a stripper plate 4, wherein the upper die base 1, the upper backing plate 2, the upper fixing plate 3 and the stripper plate 4 are fixed in sequence from top to bottom to form an upper half section capable of moving in time along with a press;

In use, the method comprises the following steps:

the first step is as follows: the punch works:

all original rectangular springs A12 connected with the upper die holder 1, the upper padding plate 2, the upper fixing plate 3 and the discharging plate 4, a driving block 9, a bending female die 13 start to move downwards, the bending female die 13 firstly contacts a workpiece 19, a pilot nail 17 is inserted into the workpiece 19, in the process of continuing to move downwards, the bending male die 13 starts to apply certain acting force to the workpiece 19, at the moment, the discharging plate 4 and the bending male die 13 stop moving downwards,

because the upper die holder 1, the upper padding plate 2, the upper fixing plate 3 and the stripper plate 4 are elastically connected, the upper die holder 1 continues to move downwards, the driving block 9 also continues to move downwards along with the upper die holder 1, the inclined plane at the lower end of the driving block 9 contacts the inclined plane at the upper end of the sliding block 10, the sliding block 10 moves under the lateral acting force driven by the inclined plane and guided by the guide plate 11, when the upper die moves downwards to the lower dead point of the machine tool, the workpiece 19 moves to the bending male die 13, the corresponding part of the bending female die 14 is tightly attached, and the inner buckle bending punch forming is completed in one step.

The second step is that: completing the stamping operation:

the punch press sliding block starts to move upwards, the upper die holder 1, the upper padding plate 2 and the upper fixing plate 3 also start to move upwards, the driving block 9 moves upwards, the bending male die 13 and the discharging plate 4 are firstly kept still, in the ascending process, the inclined surface of the lower end of the driving block 9 is gradually separated from the inclined surface of the sliding block 10, the sliding block 10 and the forming block 16 reset under the action of the rectangular spring B15, at the moment, the bending male die 13 is completely separated from the bending female die 14, the discharging plate 4 continues to ascend and returns to the top dead center of the die, and at the moment, a workpiece can be taken.

In this embodiment, the upper die holder 1, the upper backing plate 2, the upper fixing plate 3, and the stripper plate 4 are preferably fixed by means of a uniform screw 18.

By the aid of the structure, stability of the die assembly on the whole during working is improved.

In the present embodiment, the pilot pin 17 is preferably disposed on a side of the lower template 5 adjacent to the object 19 and penetrates through the object 19.

With the structure, the first bending step is to place the workpiece 19 into the guide pin 17 to play a role in positioning.

In this embodiment, preferably, one side of the driving block 9 close to the inclined surface of the slider 10 is provided with a corresponding inclined surface, and the upper and lower sides of the inclined surface are both provided with rounded corners.

Set up above-mentioned structure, prevent to play the friction in the course of the work, certain smoothness guarantees the live time of instrument, reduces the rate of reprocessing.

In the present embodiment, the driving block 9 is preferably fixedly mounted on the upper bolster plate 2 on the side thereof adjacent to the lower die assembly by means of bolts.

By means of the structure, the driving block 9 is guaranteed to be installed and fixed stably through bolts, and stability in use is improved.

In the present embodiment, the guide plate 11 is preferably fixed to the lower mat 7 by a plurality of bolts.

Set up above-mentioned structure, through the use of bolt, guarantee 11 fixed stability of installation of deflector, stability when improving the use.

In this embodiment, the shape of the forming block 16 preferably corresponds to the shape of the product.

The structure is arranged, the shape of the forming block 16 is not limited, the flexible application effect is achieved, and the utilization rate of products is improved.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The die for bending the inner buckle in one step is characterized by comprising an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base (1), an upper padding plate (2), an upper fixing plate (3) and a stripper plate (4), and the upper die base (1), the upper padding plate (2), the upper fixing plate (3) and the stripper plate (4) are fixed in sequence from top to bottom to form an upper half section capable of moving in time along with a press;

a rectangular spring A (12) is arranged between the discharging plate (4) and the upper die holder (1), the upper backing plate (2) and the upper fixing plate (3) to enable the discharging plate and the upper die holder to generate relative motion, a driving block (9) is arranged on one side, close to the lower die assembly, of the upper fixing plate (3), and a bending male die (13) is arranged on one side, close to the lower die assembly, of the discharging plate (4);

the lower mould subassembly is located the mould subassembly under, lower mould subassembly from the top down includes: the lower die plate (5), the lower fixing plate (6), the lower backing plate (7) and the lower die base (8) are fixedly mounted among the lower die plate (5), the lower fixing plate (6), the lower backing plate (7) and the lower die base (8);

a guide plate (11) is arranged in the lower fixing plate (6), a sliding block (10) which is arranged on a rectangular spring B (15) and slides relative to the guide plate (11) is arranged in the lower die assembly, the sliding block (10) is provided with an inclined surface matched with the driving block (9),

one side, close to the bending male die (13), of the sliding block (10) is inlaid with a forming block (16), the lower die plate (5) is provided with a bending female die (14) corresponding to the bending male die (13), and the lower die plate (5) is further provided with a guide pin (17) for positioning a workpiece (19).

2. The die for completing inner buckle bending in one step according to claim 1, which is characterized in that: the upper die holder (1), the upper backing plate (2), the upper fixing plate (3) and the stripper plate (4) are fixed through equal-height screws (18).

3. The die for completing inner buckle bending in one step according to claim 2, is characterized in that: the guide pin (17) is arranged on one side, close to the workpiece (19), of the lower template (5) and penetrates through the workpiece (19).

4. The die for completing inner buckle bending in one step according to claim 3, is characterized in that: one side of the driving block (9) close to the inclined plane of the sliding block (10) is provided with a corresponding inclined plane, and the upper side and the lower side of the inclined plane are both provided with round corners.

5. The die for completing inner buckle bending in one step according to claim 4, is characterized in that: and the driving block (9) is fixedly arranged on one side of the upper backing plate (2) close to the lower die assembly through a bolt.

6. The die for completing inner buckle bending in one step according to claim 5, is characterized in that: the guide plate (11) is fixedly installed on the lower backing plate (7) through bolts, and the bolts are provided with a plurality of bolts.

7. The die for completing inner buckle bending in one step according to claim 6, wherein: the shape of the forming block (16) corresponds to the shape of the product.