CN213826672U

CN213826672U - Punching blanking die for small pressing plate

Info

Publication number: CN213826672U
Application number: CN202022543376.0U
Authority: CN
Inventors: 李洁; 蒋友斌
Original assignee: Chongqing Heavy Vehicle Group Special Truck Co ltd
Current assignee: Chongqing Heavy Vehicle Group Special Truck Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-30
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a small pressing plate punching blanking die, which comprises an upper die base and a lower die base, wherein a guide mechanism is arranged between the upper die base and the lower die base, a male die and a plurality of punching needles which have the same shape as the small pressing plate to be processed are fixedly arranged on the lower end surface of the upper die base, and the male die and the plurality of punching needles are distributed side by side along the feeding sequence of a material belt; the upper end face of the lower die holder is fixedly provided with a lower die, the lower die is provided with a blanking die cavity and a plurality of bushing mounting holes, the blanking die cavity is matched with the male die, bushing sleeves are arranged in the bushing mounting holes, a punching die cavity is arranged in the bushing sleeves, and the punching die cavity is matched with the punching needle. The utility model discloses simple structure, work efficiency is high, and is with low costs.

Description

Punching blanking die for small pressing plate

Technical Field

The utility model relates to a panel processing field, in particular to little clamp plate blanking die that punches a hole.

Background

At present, the small pressing plate of the battery box is processed by processing a plate into a small pressing plate with a hole, and then the small pressing plate is bent to process a trapezoidal rib structure. The processing mode of the small pressing plate mainly adopts a laser cutting mode to process holes, and the holes on the plate are processed respectively through a laser cutting machine, but the processing mode has low working efficiency, the consistency of products cannot be guaranteed, the equipment cost of the laser cutting machine is high, and the equipment investment cost is increased.

Disclosure of Invention

The utility model aims at the not enough of prior art, provide a simple structure, work efficiency is high, and the little clamp plate blanking die that punches a hole of with low costs.

The technical scheme of the utility model is that:

a small pressing plate punching blanking die comprises an upper die base and a lower die base, wherein a guide mechanism is arranged between the upper die base and the lower die base, a male die and a plurality of punching needles which are the same as the small pressing plate to be processed in shape are fixedly installed on the lower end face of the upper die base, and the male die and the punching needles are distributed side by side along the feeding sequence of a material belt; the upper end face of the lower die holder is fixedly provided with a lower die, the lower die is provided with a blanking die cavity and a plurality of bushing mounting holes, the blanking die cavity is matched with the male die, bushing sleeves are arranged in the bushing mounting holes, a punching die cavity is arranged in the bushing sleeves, and the punching die cavity is matched with the punching needle.

Furthermore, still be equipped with the locating piece that is used for carrying on spacingly to panel location and the limiting plate that is used for panel on the lower mould, limiting plate and locating piece are located respectively the both sides of blanking die cavity.

Furthermore, the lower die is provided with a T-shaped positioning groove, and the positioning block is arranged in the positioning groove.

Furthermore, the upper die base is further provided with a stripper plate, a rubber pad is arranged between the stripper plate and the upper die base, and the stripper plate is provided with a convex die and a plurality of abdicating holes for punching needles.

Furthermore, a limiting plate receding groove is further formed in the lower end face of the material returning plate.

Furthermore, the blanking concave die cavity is a stepped hole, and the small-diameter section at the upper part of the stepped hole is the same as the male die in shape.

Furthermore, the large-diameter section at the lower part of the stepped hole is splayed.

Further, the inclination of the large-diameter section of the stepped hole is 0.5-5 degrees.

Adopt above-mentioned technical scheme to have following beneficial effect:

the utility model has the advantages of simple structure, through terrace die and blanking die cavity matched with stamping into shape board, through many towards the needle and the die cavity that punches a hole cooperatees and processes the through-hole, consequently realized the blanking and the integral type processing that punches a hole, and through set up a plurality of inlays the cover on the lower mould, inlay to be equipped with the die cavity that punches a hole in the cover, if one of them inlays the die cavity that punches a hole in the cover and damages, only need to change and should inlay the cover to avoided changing whole lower mould, reduced the maintenance cost of mould, thereby reduced manufacturing cost. And only the operation difficulty and time of the bushing are changed, and compared with the existing whole lower die, the replacement is quicker and easier.

The blanking die cavity is a stepped hole, the small-diameter section at the upper part of the stepped hole is the same as the male die in shape, the large-diameter section at the lower part of the stepped hole is splayed, and the blanking groove adopts the stepped hole, so that the blanking of the forming press plate is facilitated. The lower part of the stepped hole is splayed, so that the rapid blanking of the forming pressing plate is prevented, and the noise is reduced.

The following description is further described in conjunction with the accompanying drawings and the detailed description.

Drawings

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

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 2;

fig. 5 is a schematic structural diagram of a limiting plate:

FIG. 6 is a schematic structural view of the male die, the punch pin and the stripper plate of the present invention fixed to the upper die base;

FIG. 7 is a bottom view of FIG. 6;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;

FIG. 9 is a cross-sectional view E-E of FIG. 7;

fig. 10 is a schematic structural view of the pressing plate of the present invention.

In the attached drawing, 1 is an upper die base, 2 is an upper cushion plate, 3 is a male die, 4 is a punching needle, 5 is a guide mechanism, 6 is a lower die base, 7 is a lower die, 7-1 is a blanking female die cavity, 8 is an embedding sleeve, 9 is a positioning block, 10 is a limiting plate, 11 is a lower cushion block, 12 is a stripper plate, 13 is a rubber pad, 14 is a positioning pin, 15 is a pressure plate type block, and 16 is a T-shaped screw.

Detailed Description

Specific example 1:

referring to fig. 1 to 10, the small press plate punching blanking die comprises an upper die holder 1 and a lower die holder, wherein a guide mechanism 5 is arranged between the upper die holder 1 and the lower die holder, a male die 3 and a plurality of punching needles 4 which are the same as the small press plate to be processed in shape are fixedly arranged on the lower end surface of the upper die holder 1, and the male die 3 and the plurality of punching needles 4 are distributed side by side along the feeding sequence of a material belt; the lower end of the upper die holder 1 is provided with an upper backing plate 2, and the male die 3 and the plurality of punching needles 4 are fixed on the upper backing plate 2 of the upper die holder 1. In this embodiment, the male die 3 is fixedly mounted on the upper backing plate 2 of the upper die holder 1 by a positioning pin 14 and a screw.

A lower die 7 is fixedly mounted on the upper end face of the lower die holder, a blanking female die cavity 7-1 and a plurality of insert mounting holes are formed in the lower die 7, the blanking female die cavity 7-1 is a stepped hole with a small upper part and a large lower part, the small-diameter section at the upper part of the stepped hole is the same as the male die 3 in shape, and the blanking female die cavity 7-1 is matched with the male die and used for processing section blocks; furthermore, the big diameter section of the lower part of the stepped hole is splayed, the inclination of the big diameter section of the stepped hole is 0.5-5 degrees, and the blanking concave die cavity 7-1 is not only convenient for blanking but also can slow down the blanking speed, so that the noise generated when the molding pressing plate is blanked is reduced. The insert sleeve 8 is arranged in each insert sleeve mounting hole, a punching concave die cavity is arranged in each insert sleeve 8, and the punching concave die cavity is matched with the punching pin and used for processing a through hole of a section. The punching die cavity is arranged in the insert sleeve, so that the punching die cavity is convenient to replace, the maintenance cost is reduced, and the aperture of the punching die cavity can be adjusted according to the diameter of the punching needle so as to be suitable for processing sectional materials with different apertures. The lower die holder includes the lower bolster and sets up the lower cushion on the lower bolster, set up on the lower bolster with the blanking hole of stepping down that blanking groove cavity position corresponds, the cushion makes the unsettled ejection of compact of being convenient for of lower bolster 6, and machine-shaping's clamp plate drops from the mould through blanking die cavity and 6 blanking holes of stepping down of lower bolster in proper order. In this embodiment, the lower die 7 is provided with a blanking cavity and four insert mounting holes, each insert mounting hole is provided with an insert 8, the insert 8 is provided with a punching cavity, the slope of the large diameter section of the stepped hole of the blanking cavity 7-1 is 1 °, and the stepped hole is convenient for blanking and can slow down the blanking speed of the formed plate. Two lower cushion blocks 11 are arranged on the lower end face of the lower template 6, and the lower die 7 and the lower cushion blocks 11 are fixedly installed on the lower template 6 through positioning pins 14 and bolts. U-shaped grooves are formed in the two sides of the upper die holder 1 and the lower die plate 6, and the U-shaped grooves are matched with T-shaped screws 16 to be installed on a press machine tool.

The lower die 7 is further provided with a positioning block 9 for positioning the sheet and a limiting plate 10 for limiting the sheet, and the limiting plate 10 and the positioning block 9 are respectively positioned on two sides of the blanking cavity 7-1. The lower die 7 is provided with a T-shaped positioning groove, the positioning block 9 is clamped in the T-shaped positioning groove, the positioning block 9 is provided with a screw, and the screw is convenient for the positioning block to be taken out of the positioning groove.

Further, the lower terminal surface of upper die base 1 still is equipped with material returned board 12, and material returned board 12 passes through on locating pin and the installation of screw upper padding plate 2, be equipped with rubber pad 13 between material returned board 12 and the upper padding plate 2 of upper die base 1, be equipped with the hole of stepping down of terrace die 3 and many towards needles 4 on the material returned board 12, still be equipped with the limiting plate groove of stepping down on the lower terminal surface of material returned board 12, guarantee that the material returned board can with wait to process the panel contact.

The utility model discloses a theory of operation:

the upper die base and the lower die base are guided through the guide mechanism, during stamping, the upper end face of the lower die is placed into a plate to be processed, the plate is guided and positioned by the limiting plate and the positioning block, the two sides of the plate are limited, and the plate is positioned more accurately. The plate is matched with the punching female die cavity through the punching needle to process a plurality of through holes, and is matched with the blanking female die cavity through the male die to process a pressure plate type block 15, and the pressure plate type block 15 falls from the blanking female die cavity when the next male die downwards punches the plate to be processed. The material returning plate prevents the processed and formed pressure plate type block from being stuck on the male die. The utility model has the advantages of simple structure, work efficiency is high, and is with low costs.

Claims

1. The utility model provides a little clamp plate blanking die that punches a hole, includes upper die base and die holder, the upper die base with be equipped with guiding mechanism, its characterized in that between the die holder: the lower end face of the upper die base is fixedly provided with a male die and a plurality of punching needles which are the same as the small pressing plate to be processed in shape, and the male die and the punching needles are distributed side by side along the feeding sequence of the material belt; the upper end face of the lower die holder is fixedly provided with a lower die, the lower die is provided with a blanking die cavity and a plurality of bushing mounting holes, the blanking die cavity is matched with the male die, bushing sleeves are arranged in the bushing mounting holes, a punching die cavity is arranged in the bushing sleeves, and the punching die cavity is matched with the punching needle.

2. The small platen punching and blanking die of claim 1, wherein: the lower die is further provided with a positioning block for positioning the plates and a limiting plate for limiting the plates, and the limiting plate and the positioning block are respectively positioned on two sides of the blanking female die cavity.

3. The small platen punching and blanking die of claim 2, wherein: the lower die is provided with a T-shaped positioning groove, and the positioning block is arranged in the positioning groove.

4. The small platen punching and blanking die of claim 1, wherein: the stamping die is characterized in that the upper die base is further provided with a stripper plate, a rubber pad is arranged between the stripper plate and the upper die base, and the stripper plate is provided with a convex die and a plurality of abdicating holes for stamping needles.

5. The small platen punching and blanking die of claim 4, wherein: and the lower end face of the stripper plate is also provided with a limiting plate abdicating groove.

6. The small platen punching and blanking die of claim 1, wherein: the blanking female die cavity is a stepped hole, and the small-diameter section at the upper part of the stepped hole is the same as the male die in shape.

7. The small platen punching and blanking die of claim 6, wherein: the big footpath section of shoulder hole lower part is the splayed.

8. The small platen punching and blanking die of claim 7, wherein: the inclination of the large-diameter section of the stepped hole is 0.5-5 degrees.