CN205869225U - Crooked blanking die - Google Patents

Abstract

The utility model relates to a crooked blanking die, including public mould, master model and direction subassembly, the master model includes die holder, lower bolster, die fixing base, die, kicker, head part spring, stripper, spring guide arm, stripper spring, public mould includes upper die base, upper padding plate, male die fixing holder, crooked terrace die, the terrace die that punches a hole, side cut terrace die, knockout plate, ejector pin, spring and mould handle, be connected through the direction subassembly between upper die base and the die holder. The utility model discloses the crooked blanking die of scheme, rational in infrastructure, effectual with the bending, punch and three processes of blanking to combine be one, machining efficiency high, and pressure center position accuracy has improved the quality of work piece.

Description

A kind of bending blanking die

Technical field

This utility model relates to a kind of part forming mould structure, refers in particular to that a kind of intensity is high, the bending of long working life falls Material mould.

Background technology

Blanking die is stamping die product or process part processing separated with plate along the profile closed, and bending process is basis The needs of part shape, curve the Sheet Metal Forming Technology method of certain angle, definite shape workpiece by mould and forcing press blank, But numerous parts not only had needed to bend but also need punching, cutting edge, it is not the highest that some part processing precision requires, can be by curved Song, punching, cutting edge three process combine processing, it is therefore desirable to bend blanking die accordingly for part shape design.

Utility model content

This utility model purpose is that the bending proposing a kind of working (machining) efficiency high to overcome the deficiencies in the prior art falls Material mould.

For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of bending blanking die, including male model, mother Mould and guidance set；Described master mold includes die shoe, lower bolster, recessed model fixing seat, die, kicker, head part spring, discharging Plate, spring guide, discharging spring；Described male model include upper bolster, upper padding plate, convex model fixing seat, bending punch, piercing punch, Trimming punch, knockout plate, push rod, buffer spring and mould handle；It is connected by guidance set between described upper bolster and die shoe；Institute State recessed model fixing seat to be fixedly connected on die shoe by securing member；Described die is fixed by recessed model fixing seat；Described die And between die shoe, it is provided with lower bolster；The middle part of die is arranged with kicker；The top of described kicker is V-shaped；Described top The lower end of part block is fixedly connected with head part spring；The bottom of described head part spring is fixedly connected on die shoe through lower bolster On；Described die periphery is arranged with stripper；The lower end of described stripper is fixedly connected with spring guide；On described spring guide It is provided with discharging spring；Described upper bolster is connected fixing successively to upper padding plate, convex model fixing seat, punch from top to bottom by securing member Connect；Described bending punch, piercing punch, trimming punch are fixedly connected on convex model fixing seat；The upper end of described bending punch is even Connect several push rod；Described push rod is connected through upper padding plate, convex model fixing seat with knockout plate；The upper end of described knockout plate is additionally provided with Two buffer springs.

Preferably, the end of described discharging spring and buffer spring is provided with plug screw.

Preferably, the lower end of described upper bolster and the upper end of described die shoe are provided with the limited post of correspondence.

Preferably, described die is additionally provided with slug hole；Described slug hole penetrates die, recessed model fixing seat and die shoe.

Preferably, described slug hole is up-narrow and down-wide.

Due to the utilization of technique scheme, this utility model compared with prior art has the advantage that

Bending blanking die of the present utility model, its compact conformation is reasonable, effectively will bend, punch and stamping-out three process Being combined into one, during work, automatization's efficiency is high, processing precision of products is high and discharging is effective.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings technical solutions of the utility model are described further:

Accompanying drawing 1 is the structural representation of bending blanking die of the present utility model；

Wherein: 1, die shoe；2, lower bolster；3, recessed model fixing seat；4, die；5, kicker；6, head part spring；7, discharging Plate；8, spring guide；9, discharging spring；10, upper bolster；11, upper padding plate；12, convex model fixing seat；13, bending punch；14, punching Hole punch；15, trimming punch；16, knockout plate；17, push rod；18, buffer spring；19, mould handle；20, guidance set；21, plug screw； 22, limited post；23, slug hole.

Detailed description of the invention

Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.

Bending blanking die structure of the present utility model, as shown in Figure 1, including male model, master mold and guidance set；Described mother Mould include die shoe 1, lower bolster 2, recessed model fixing seat 3, die 4, kicker 5, head part spring 6, stripper 7, spring guide 8, Discharging spring 9；Described male model includes upper bolster 10, upper padding plate 11, convex model fixing seat 12, bending punch 13, piercing punch 14, cuts Limit punch 15, knockout plate 16, push rod 17, buffer spring 18 and mould are 19；By guiding group between described upper bolster and die shoe Part 20 connects；Described recessed model fixing seat 3 is fixedly connected on die shoe 1 by securing member；Described die 4 is by recessed model fixing seat 3 fix；It is provided with lower bolster 2 between described die 4 and die shoe 1；The middle part of die 4 is arranged with kicker 5；Described kicker The top of 5 is V-shaped；The lower end of described kicker 5 is fixedly connected with head part spring 6；The bottom of described head part spring 6 passes down Backing plate 2 is fixedly connected on die shoe 1；Described die 4 periphery is arranged with stripper 7；The lower end of described stripper 7 is fixing to be connected There is spring guide 8；It is provided with discharging spring 9 on described spring guide 8；Described upper bolster 10 passes through securing member from top to bottom by upper Backing plate 11, convex model fixing seat 12, punch are fixedly connected sequentially；Described bending punch 13, piercing punch 14, trimming punch 15 are fixed It is connected on convex model fixing seat；The upper end of described bending punch connects several push rods 17；Described push rod 17 is through upper padding plate 11, convex Model fixing seat 12 is connected with knockout plate 16；The upper end of described knockout plate 16 is additionally provided with two buffer springs 18.

Further instruction, the end of described discharging spring 9 and buffer spring 18 is provided with plug screw 21.Mould adds to be beaten man-hour The impulse stroke of flitch and stripper is 6-7mm, for guaranteeing service life and reliability, therefore uses heavy load Rectangular Spring, Pre compressed magnitude can be regulated by plug screw 21.

Further instruction, the lower end of described upper bolster 10 and the upper end of described die shoe 1 are provided with the limited post of correspondence 22, described limited post 22 moves down extreme position for limit punch, effectively reduces punch and the abrasion of die, can extend convex Mould and die service life.

Further instruction, described die 4 is additionally provided with slug hole 23；Described slug hole 23 penetrates die 4, die is fixed Plate 3 and die shoe 1, described slug hole 23 is up-narrow and down-wide, contributes to punched scrap and is automatically drained out downwards smoothly from slug hole.

Bending blanking die of the present utility model, its compact conformation is reasonable, effectively will bend, punch and stamping-out three process Being combined into one, during work, automatization's efficiency is high, processing precision of products is high and discharging is effective.

Below it is only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limit System.All employing equivalents or equivalence are replaced and the technical scheme that formed, all fall within this utility model rights protection scope it In.

Claims (5)

1. a bending blanking die, it is characterised in that: include male model, master mold and guidance set；Described master mold includes die shoe (1), lower bolster (2), recessed model fixing seat (3), die (4), kicker (5), head part spring (6), stripper (7), spring guide (8), discharging spring (9)；Described male model includes upper bolster (10), upper padding plate (11), convex model fixing seat (12), bending punch (13), piercing punch (14), trimming punch (15), knockout plate (16), push rod (17), buffer spring (18) and mould are (19)；Institute State and be connected by guidance set (20) between upper bolster with die shoe；Described recessed model fixing seat (3) connects by securing member is fixing On die shoe (1)；Described die (4) is fixed by recessed model fixing seat (3)；Arrange between described die (4) and die shoe (1) There is lower bolster (2)；The middle part of die (4) is arranged with kicker (5)；The top of described kicker (5) is V-shaped；Described kicker (5) lower end is fixedly connected with head part spring (6)；The bottom of described head part spring (6) is fixedly connected on through lower bolster (2) On die shoe (1)；Described die (4) periphery is arranged with stripper (7)；The lower end of described stripper (7) is fixedly connected with spring Guide rod (8)；Discharging spring (9) it is provided with on described spring guide (8)；Described upper bolster (10) passes through securing member from top to bottom will Upper padding plate (11), convex model fixing seat (12), punch are fixedly connected sequentially；Described bending punch (13), piercing punch (14), trimming Punch (15) is fixedly connected on convex model fixing seat；The upper end of described bending punch connects several push rods (17)；Described push rod (17) it is connected through upper padding plate (11), convex model fixing seat (12) with knockout plate (16)；The upper end of described knockout plate (16) also sets up There are two buffer springs (18).

Bending blanking die the most according to claim 1, it is characterised in that: described discharging spring (9) and buffer spring (18) End be provided with plug screw (21).

Bending blanking die the most according to claim 1, it is characterised in that: the lower end of described upper bolster and described die shoe Upper end is provided with the limited post (22) of correspondence.

Bending blanking die the most according to claim 1, it is characterised in that: it is additionally provided with slug hole (23) on described die (4)； Described slug hole (23) penetrates die (4), recessed model fixing seat (3) and die shoe (1).

Bending blanking die the most according to claim 4, it is characterised in that: described slug hole (23) is up-narrow and down-wide.