CN207695457U - The automobile rear backrest bottom end rail progressive die - Google Patents

Abstract

The utility model discloses a kind of automobile rear backrest bottom end rail progressive dies, it is characterised in that：The first punching trimming station is equipped between the progressive die upper die holder and progressive die lower die holder successively, second convex closure station, third sky walks station, 4th shaping station, 5th trimming station, 6th empty step station, the lower 45 ° of bending stations of seven-way, 8th empty step station, 9th downward bending station, tenth empty step station, 11st trimming punching station, 12nd empty step station, 13rd side punching station, 14th shaping station, 8th shaping station, 16th empty step station, 17th cuts part station；It is additionally provided with the conveying device for transmitting workpiece in each station between the progressive die upper die holder and progressive die lower die holder.The utility model realizes multistation Continuous maching, improves production efficiency.

Description

The automobile rear backrest bottom end rail progressive die

Technical field

The utility model is related to a kind of auto parts machineries to make the improvement invention of mold more particularly to a kind of automobile rear backrest The improvement of the bottom end rail progressive die is invented.

Background technology

For auto parts machinery punch forming, single-station die lamps structure is single, low production efficiency, and complicated mould Tool, station is less, is unfavorable for the punch forming of product.And the progressive die, using forcing press in a punching stroke, use is band-like Punching press raw material are completed at the same time the cold stamping punch die of multi-step forming processes, mold on a secondary mold with several different stations It is completed once per punching press, material strip fixed-distance moving is primary, until product machines.

Utility model content

Technical problem to be solved in the utility model be overcome the deficiencies of the prior art and provide a kind of process rationally plus The quick automobile rear backrest bottom end rail progressive die of work.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that realize：After this kind of automobile The backrest bottom end rail progressive die is arranged, includes the progressive die upper die holder and the progressive die for manufacturing automobile rear backrest bottom end rail corresponding construction Lower die holder, it is characterised in that：The progressive die upper die holder include the top block from top to bottom set gradually, upper die holder, upper padding plate, Upper clamp plate and stripper plate, the progressive die lower die holder include the lower pallet set gradually from the bottom to top, bottom seat pad, lower die holder, under Backing plate and lower template are additionally provided with waste material box on the lower pallet；Between the progressive die upper die holder and progressive die lower die holder successively Equipped with the first punching station, the second punching station, third sky step station, the 4th upward 45 ° of bending and molding stations, the 5th empty step work 90 ° of bending and molding stations, the 7th empty step station, the 8th shaping station, the 9th empty step station, the tenth punching work on position, six-way Position, the 11st cut part station；It is additionally provided with workpiece in each station between the progressive die upper die holder and progressive die lower die holder The conveying device of transmission.

8th shaping station includes that side pushes and plugs knife, resetting spring, briquetting, and the side pushes and plugs the knife edge of a knife and set for inclined-plane It sets, the side pushes and plugs there are two knife sets on upper die holder, and the inclined-plane edge of a knife that both sides push and plug knife is oppositely arranged, and is separately positioned on work Part both sides, the lower die holder are equipped with transversely movable two briquetting, and the external port of two briquetting pushes and plugs knife with both sides respectively The inclined-plane edge of a knife it is corresponding, when the pressing of upper and lower die holder, side, which pushes and plugs knife, can drive briquetting movement to squeeze workpiece side molding, the briquetting It is connected with resetting spring, and is additionally provided with wearing plate between briquetting and lower die holder.

The utility model has the beneficial effects that the improved automobile rear backrest bottom end rail progressive die, by multiple single-stations at Pattern tool replaces with continuous mold forming, the molding of progressive die Continuous maching, reduce that material transmits between single-step shaping mold when Between, it greatly improves production efficiency and has saved cost.

Description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the tenth heptalateral shaping station structure chart of the utility model.

Fig. 3 is the workpiece shaping flow chart of the utility model.

Specific implementation mode

Attached drawing illustrates the structure of the utility model, further illustrates it in relation to details in conjunction with attached drawing below.The automobile The heel row backrest bottom end rail progressive die includes to manufacture the progressive die upper die holder of automobile rear backrest bottom end rail corresponding construction and continuous Mould lower die holder, it is characterised in that：The progressive die upper die holder include the top block 1 from top to bottom set gradually, upper die holder 2, on Backing plate 3, upper clamp plate 4 and stripper plate 5, the progressive die lower die holder include the lower pallet 6 set gradually from the bottom to top, bottom seat pad 7, Lower die holder 8, lower bolster 9 and lower template 10 are additionally provided with waste material box on the lower pallet；Under the progressive die upper die holder and the progressive die The first punching station, the second punching station, third sky step station, the 4th upward 45 ° of bending and molding works are equipped between die holder successively Position, the 5th empty step station, 90 ° of bending and molding stations, the 7th empty step station, the 8th shaping station, the 9th empty step work in six-way Position, the tenth punching station, the 11st cut part station；Be additionally provided between the progressive die upper die holder and progressive die lower die holder by The conveying device that workpiece is transmitted in each station.

8th shaping station includes that side pushes and plugs knife 11, resetting spring 13, briquetting 12, and the side pushes and plugs the knife edge of a knife and is Inclined-plane is arranged, and the side pushes and plugs there are two knife sets on upper die holder, and the inclined-plane edge of a knife that both sides push and plug knife is oppositely arranged, and is set respectively Set in workpiece both sides, the lower die holder is equipped with transversely movable two briquetting, the external port of two briquetting respectively with both sides The inclined-plane edge of a knife for pushing and plugging knife is corresponding, and when upper and lower die holder presses, side, which pushes and plugs knife, can drive briquetting movement to squeeze workpiece side molding, institute It states briquetting and is connected with resetting spring, and be additionally provided with wearing plate between briquetting and lower die holder.

Each upward bending and molding station includes the molding lower punch to match and molding upper cavity die, institute in the utility model It states and is equipped with jigger pin in molding upper cavity die, molding lower punch is equipped with interior de-.Wherein be molded upper male mould, molding lower cavity die and at Type lower punch, be molded upper cavity die mold mouth depending on bending shape needed for workpiece, punching is by plunger chip die according to workpiece institute Mounting hole is needed to carry out punch forming, trimming and cut-out are completed by cutter.

In conclusion the above is only the preferred embodiments of the present utility model only, it is not intended to limit the utility model Protection domain.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all wrap Containing being within the protection scope of the utility model.

Claims (2)

1. the automobile rear backrest bottom end rail progressive die includes on the progressive die for manufacture automobile rear backrest bottom end rail corresponding construction Die holder and progressive die lower die holder, it is characterised in that：The progressive die upper die holder include the top block from top to bottom set gradually, on Die holder, upper padding plate, upper clamp plate and stripper plate, the progressive die lower die holder include the lower pallet set gradually from the bottom to top, underlay Foot, lower die holder, lower bolster and lower template are additionally provided with waste material box on the lower pallet；Under the progressive die upper die holder and the progressive die The first punching station, the second punching station, third sky step station, the 4th upward 45 ° of bending and molding works are equipped between die holder successively Position, the 5th empty step station, 90 ° of bending and molding stations, the 7th empty step station, the 8th shaping station, the 9th empty step work in six-way Position, the tenth punching station, the 11st cut part station；Be additionally provided between the progressive die upper die holder and progressive die lower die holder by The conveying device that workpiece is transmitted in each station.

2. the automobile rear backrest bottom end rail progressive die as described in claim 1, it is characterised in that：The 8th shaping station packet It has included side and has pushed and plugged knife, resetting spring, briquetting, the side pushes and plugs the knife edge of a knife and is arranged for inclined-plane, and the side pushes and plugs knife on upper die holder If there are two, the inclined-plane edge of a knife that both sides push and plug knife is oppositely arranged, and is separately positioned on workpiece both sides, and the lower die holder is equipped with can Two briquettings of transverse shifting, it is corresponding that the external port of two briquetting pushes and plugs the inclined-plane edge of a knife of knife with both sides respectively, upper and lower die holder When pressing, side, which pushes and plugs knife, can drive briquetting movement to squeeze workpiece side molding, and the briquetting is connected with resetting spring, and briquetting is under Wearing plate is additionally provided between die holder.