CN213826673U

CN213826673U - Punching blanking die for U-shaped mounting plate

Info

Publication number: CN213826673U
Application number: CN202022555949.1U
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 punching blanking die for a U-shaped mounting plate, 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 rectangular male die and a plurality of punching needles which have the same shape as the mounting plate to be processed are fixedly arranged on the lower end surface of the upper die base, and the rectangular 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 female die cavity and a plurality of sheath mounting holes, the blanking female die cavity is matched with the rectangular male die, each sheath mounting hole is internally provided with a sheath, a punching female die cavity is arranged in each sheath, and the punching female die cavity is matched with the punching needle. The utility model discloses simple structure, work efficiency is high, and cost of maintenance is low.

Description

Punching blanking die for U-shaped mounting plate

Technical Field

The utility model relates to a panel processing field, in particular to U type mounting panel blanking die that punches a hole.

Background

The processing method of the U-shaped mounting plate of the battery box for connecting the frame at present is to process a plate into a mounting plate with holes, and then bend the mounting plate to form a U-shaped structure. The processing mode of the mounting 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 with low costs U type mounting panel blanking die that punches a hole.

The technical scheme of the utility model is that:

a punching blanking die for a U-shaped mounting plate comprises an upper die holder and a lower die holder, wherein a guide mechanism is arranged between the upper die holder and the lower die holder, a rectangular male die and a plurality of punching needles which are the same as the mounting plate to be processed in shape are fixedly arranged on the lower end face of the upper die holder, and the rectangular 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 female die cavity and a plurality of sheath mounting holes, the blanking female die cavity is matched with the rectangular male die, each sheath mounting hole is internally provided with a sheath, a punching female die cavity is arranged in each sheath, and the punching female 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 T-shaped 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 rectangular male 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 female die cavity is a rectangular stepped hole, and the small-diameter section at the upper part of the rectangular stepped hole is the same as the rectangular male die in shape.

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

Further, the inclination of the large-diameter section of the rectangular 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 rectangle terrace die and blanking die cavity matched with punching press profiled sheeting, through many towards the needle with the die cavity matched with processing through-hole that punches a hole, consequently realized blanking simultaneously and the processing of punching a hole, and set up a plurality of sheaths on the lower mould, be equipped with the die cavity that punches a hole in the sheath, if the die cavity that punches a hole in one of them sheath damages, only need change this sheath to avoid changing whole lower mould, reduced the maintenance cost of mould, thereby reduced manufacturing cost. And only the operation difficulty and time of changing the sheath are quicker and easier than the existing whole lower die.

The blanking die cavity is a rectangular stepped hole, the small-diameter section at the upper part of the rectangular stepped hole is the same as the rectangular male die in shape, the large-diameter section at the lower part of the rectangular stepped hole is splayed, and the blanking groove adopts the rectangular stepped hole, so that the blanking of the formed plate is facilitated. Be the splayed through rectangle shoulder hole lower part, prevented the quick blanking of shaping panel, reduced the noise.

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 schematic structural view of the positioning block of the present invention;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 4;

FIG. 6 is a schematic structural view of the rectangular 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 schematic structural view of the stripper plate;

fig. 10 is a schematic structural diagram of the shaped block of the plate processing of the present invention.

In the attached drawing, 1 is an upper die base, 2 is an upper cushion plate, 3 is a rectangular 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 a sheath, 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, and 15 is a molding block.

Detailed Description

Specific example 1:

referring to fig. 1 to 10, the punching blanking die for the U-shaped mounting plate 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 rectangular male die 3 and a plurality of punching needles 4 which are the same as the mounting plate to be processed in shape are fixedly arranged on the lower end surface of the upper die holder 1, and the rectangular 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 base plate 2, and the rectangular convex die 3 and the plurality of punching needles 4 are fixed on the upper base plate 2 of the upper die holder 1. In this embodiment, the rectangular punch 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 sheath mounting holes are formed in the lower die 7, the blanking female die cavity 7-1 is a rectangular stepped hole with a small upper part and a large lower part, the small-diameter section at the upper part of the rectangular stepped hole is the same as the rectangular male die 3 in shape, and the blanking female die cavity 7-1 is matched with the rectangular male die and used for processing section blocks; furthermore, the large-diameter section at the lower part of the rectangular stepped hole is splayed, the inclination of the large-diameter section of the rectangular 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 formed plate is blanked is reduced. And each sheath mounting hole is internally provided with a sheath 8, and a punching concave die cavity is arranged in each sheath 8 and matched with the punching needle for processing a through hole of the section. The punching die cavity is arranged in the sheath, 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 five sheath mounting holes, each sheath mounting hole is provided with a sheath 8, a punching cavity is provided in each sheath 8, the inclination of the major diameter section of the rectangular stepped hole of the blanking cavity 7-1 is 1 °, and the rectangular 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. And U-shaped grooves are formed in the two sides of the upper die base 1 and the lower die plate 6 and are matched with T-shaped screws 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. Lower die base of lower die base

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 rectangle terrace die 3 and many towards needle 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 guide mechanism is used for guiding the upper die base and the lower die base, during stamping, the upper end face of the lower die is placed on a plate to be processed, the limiting plate and the positioning block are used for guiding and positioning the plate, 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 meanwhile, the rectangular male die is matched with the blanking female die cavity to process a forming block 15, and the forming block 15 falls from the blanking female die cavity when the rectangular male die punches the plate to be processed downwards next time. The material returning plate prevents the molded block from being stuck on the rectangular 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 U type mounting panel 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 rectangular male die and a plurality of punching needles which are the same as the mounting plate to be processed in shape, and the rectangular male die and the plurality of 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 female die cavity and a plurality of sheath mounting holes, the blanking female die cavity is matched with the rectangular male die, each sheath mounting hole is internally provided with a sheath, a punching female die cavity is arranged in each sheath, and the punching female die cavity is matched with the punching needle.

2. The U-shaped mounting plate 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 U-shaped mounting plate 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 U-shaped mounting plate 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 rectangular male die and a plurality of abdicating holes for stamping needles.

5. The U-shaped mounting plate 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 U-shaped mounting plate punching and blanking die of claim 1, wherein: the blanking female die cavity is a rectangular stepped hole, and the small-diameter section at the upper part of the rectangular stepped hole is the same as the rectangular male die in shape.

7. The U-shaped mounting plate punching and blanking die of claim 6, wherein: the big footpath section of rectangle shoulder hole lower part is the splayed.

8. The U-shaped mounting plate punching and blanking die of claim 7, wherein: the inclination of the large-diameter section of the rectangular stepped hole is 0.5-5 degrees.