CN208728432U

CN208728432U - A kind of automobile guide rail piercing die

Info

Publication number: CN208728432U
Application number: CN201820846692.5U
Authority: CN
Inventors: 赵洪林
Original assignee: Tianjin Boshichuan Page Technology Co Ltd
Current assignee: Tianjin Chuanye New Energy Technology Co ltd
Priority date: 2018-06-02
Filing date: 2018-06-02
Publication date: 2019-04-12
Anticipated expiration: 2028-06-02

Abstract

The utility model relates to automobile die technology fields, in particular a kind of automobile guide rail piercing die, the fixed lower die holder of the lower die and lower die bottom surface that upper mold, the lower part of upper die of guide post, the connection of guide post bottom end that the upper die holder connected including die shank, die shank bottom end, upper die holder lower section are equipped with are equipped with；The utility model places guide rail, that is, metal plate before molding on its jacking block, it is placed on the groove on sliding block simultaneously, when upper die holder and upper mold integrally move downward, metal plate is clamped with jacking block by formed punch to move downward, it is bent metal plate under groove restriction effect, when upper die holder is engaged with upper mold, thimble is just pierced by from the circular hole in formed punch to metal plate punching, at the same time inclined guide pillar and briquetting respectively with guide pillar hole and oblique angle face contact, and it polymerize along slide unit to centre with movable slider, so that metal plate is squeezed into guide rail between sliding block and formed punch while being also punched, realize the punching progress synchronous with bending of guide rail, the precision of hole location is effectively guaranteed, carry out subsequent assembly orderly.

Description

A kind of automobile guide rail piercing die

Technical field

The utility model relates to automobile die technology field, specially a kind of automobile guide rail piercing die.

Background technique

Mold, as a kind of efficient tool of production, in the industrial production using extremely wide, wherein punching die is Common and more one kind of utilization in mold, is punched on components according to actual needs after the completion of components production, The quality of punching die is related to the precision of components punch position, directly affects subsequent assembly, at present to the components of automobile The processing of guide rail is often first punching bending and molding again, and in bending operation, the offset of bending point directly influences hole site Offset, in consideration of it, it is proposed that a kind of automobile guide rail piercing die.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of automobile guide rail piercing die The offset of bending point directly influences the offset problem of hole site.

To achieve the above object, the utility model provides the following technical solutions:

A kind of automobile guide rail piercing die, including die shank, upper die holder, guide post, upper die and lower die and lower die holder, the die shank Bottom end is connected with the upper die holder, and the bottom surface of the upper die holder is fixed with backing plate, if being plugged at the center inside the backing plate Dry thimble, the two sides of the thimble are symmetrically arranged with several inclined guide pillars, and the bottom surface of the backing plate is connected with several guide posts, described The bottom end of guide post is connected with the upper mold, and formed punch is fixed at the center of the upper mold bottom surface, and the two sides of the formed punch are symmetrically solid Surely there is briquetting, the lower section of the upper mold is equipped with the lower die；

Step chamber is offered at center inside the lower die, the upper end of the step chamber is plugged with jacking block, the jacking block Two sides be symmetrically arranged with sliding block, the both ends of the sliding block are fixed with press strip, and the side of the press strip is fixed with block, the lower die Two sides symmetrically offer slide unit, the bottom surface of the lower die is fixed with the lower die holder.

Preferably, the die shank is fixedly connected with the upper die holder by screw rod, the upper die holder, the backing plate and described The four corners of upper mold are equipped with one-to-one circular hole.

Preferably, spiral spring one is socketed on the outside of the guide post, the guide post is multi-diameter shaft and path one end is equipped with spiral shell Pit, guide post major diameter one end and the counterbore that the upper mold bottom surface opens up are mating, and the inclined guide pillar is embedded in the pad In plate and run through the upper mold.

Preferably, it is equipped with and the one-to-one through-hole of the thimble, the formed punch at the formed punch and the upper mold center It is bolted to connection with the briquetting and the upper mold.

Preferably, spiral spring two is equipped with below the jacking block and the spiral spring two is embedded in the slot of the lower die holder, The lower die is bolted to connection with the lower die holder.

Preferably, the upper surface of the sliding block is equipped with several guide pillar holes, and the side of the guide pillar hole is equipped with oblique angle face, described The other side of guide pillar hole is equipped with groove, and the bottom end of the sliding block is equipped with boss, and the guide pillar hole and the inclined guide pillar are mating, The press strip and the boss are engaged by clamping and are bolted on the slide unit.

Compared with prior art, the utility model has the beneficial effects that

The utility model places guide rail, that is, metal plate before molding on its jacking block, while being placed on the groove on sliding block, when When upper die holder and upper mold integrally move downward, metal plate is clamped with jacking block by formed punch and is moved downward, so that metal plate is in sliding block fovea superior Be bent under the restriction effect of slot, thimble and inclined guide pillar also move downward at this time, when upper die holder is engaged with upper mold, thimble just from Circular hole in formed punch is pierced by metal plate punching, at the same time inclined guide pillar and briquetting respectively with guide pillar hole and oblique angle face contact, and band Movable slider polymerize along slide unit to centre, so that metal plate is squeezed into guide rail between sliding block and formed punch while being also punched, i.e., The punching progress synchronous with bending for realizing guide rail, is effectively guaranteed the precision of hole location, carries out subsequent assembly orderly.

Detailed description of the invention

Fig. 1 is the whole front view of the utility model；

Fig. 2 is the whole side view of the utility model；

Fig. 3 is the lower die structure schematic diagram in the utility model；

Fig. 4 is the slide block structure schematic diagram in the utility model；

Fig. 5 is the punch structure schematic diagram in the utility model；

Fig. 6 is the guide pillar structure schematic diagram in the utility model.

In figure: 1, die shank；2, upper die holder；20, backing plate；21, thimble；22, inclined guide pillar；3, guide post；30, spiral spring one；4, Upper mold；40, formed punch；41, briquetting；42, counterbore；5, lower die；50, step chamber；51, jacking block；52, sliding block；520, guide pillar hole；521, Boss；522, oblique angle face；523, groove；53, press strip；54, block；55, slide unit；56, spiral spring two；6, lower die holder.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution:

A kind of automobile guide rail piercing die, as shown in Figure 1 and Figure 2, including die shank 1, upper die holder 2, guide post 3, upper mold 4, lower die 5 With lower die holder 6, the bottom end of die shank 1 is connected with upper die holder 2, and the bottom surface of upper die holder 2 is fixed with backing plate 20, the center inside backing plate 20 Place is plugged with several thimbles 21, and the two sides of thimble 21 are symmetrically arranged with several inclined guide pillars 22, and the bottom surface of backing plate 20 is connected with several lead Column 3, the bottom end of guide post 3 are connected with upper mold 4, formed punch 40 are fixed at the center of 4 bottom surface of upper mold, and the two sides of formed punch 40 are symmetrically fixed There is briquetting 41, the lower section of upper mold 4 is equipped with lower die 5；

In the present embodiment, die shank 1, upper die holder 2, guide post 3, upper mold 4, lower die 5 and lower die holder 6 are all made of mould steel and line is cut Molding, with high rigidity, high intensity, wearability and high harden ability, hardenability, increases mold bulk life time.

In the present embodiment, upper die holder 2, backing plate 20 and upper mold 4 sequentially pass through guide post 3 from below to up, and are bolted For entirety, it can be achieved that punching progress synchronous with bending, thimble 21 and inclined guide pillar 22 are solid by the engagement of upper die holder 2 and backing plate 20 It is fixed, so that thimble 21 and inclined guide pillar 22 are firm.

In the present embodiment, die shank 1 is fixedly connected with upper die holder 2 by screw rod, the quadrangle of upper die holder 2, backing plate 20 and upper mold 4 Place is equipped with one-to-one circular hole, in order to which guide post 3 smoothly slides in upper mold 4.

In the present embodiment, the outside of guide post 3 is socketed with spiral spring 1, and the section of spiral spring 1 is rectangle, using conjunction Golden material makes it have maximum load capacity and increases service life, and guide post 3 is multi-diameter shaft and path one end is equipped with threaded hole, is led 3 major diameter one end of column and the counterbore 42 that 4 bottom surface of upper mold opens up are mating, and inclined guide pillar 22 is embedded in backing plate 20 and through upper mold 4.

In the present embodiment, it is equipped with and the one-to-one through-hole of thimble 21, formed punch 40 and briquetting at 4 center of formed punch 40 and upper mold 41 are bolted to connection with upper mold 4, and briquetting 41 is bonded with oblique angle face 522, make sliding block by moving downward for briquetting 41 52 are pushed and do transverse movement, enable metal plate bending and molding between formed punch 40 and sliding block 52, that is, realize the bending process of guide rail, Formed punch 40 and 52 side view of sliding block cut machine-shaping according to the shape of guide rail come line, in order to make metal plate extrusion forming.

In the present embodiment, circular hole that thimble 21 is run through, inclined guide pillar 22 were slided through the circular hole and guide post 3 of upper mold 4 Counterbore 42 is both needed to plus lubricating oil, reduces its movable frictional force, improves the synchronism of punching and bending.

As shown in figures 1 and 3, step chamber 50 is offered at the center inside lower die 5, the upper end of step chamber 50 is plugged with top Block 51, the two sides of jacking block 51 are symmetrically arranged with sliding block 52, and the both ends of sliding block 52 are fixed with press strip 53, and the side of press strip 53 is fixed with gear Block 54, the two sides of lower die 5 symmetrically offer slide unit 55, and the bottom surface of lower die 5 is fixed with lower die holder 6.

In the present embodiment, sliding block 52 and 55 contact surface of slide unit must add lubricating oil, and the frictional force between reduction indirectly subtracts The stress of small inclined guide pillar 22, to protect inclined guide pillar 22.

In the present embodiment, the size of block 54 is 2mm iron block, is bolted on the side of lower die 5, limits sliding block 52 It prevents from coming off.

In the present embodiment, spiral spring 2 56 is equipped with below jacking block 51 and spiral spring 2 56 is embedded in the slot of lower die holder 6, under Mould 5 is bolted to connection with lower die holder 6, and spiral spring 56 also uses the rectangle spring of alloy material, in the support of spiral spring 56 Under make to be clipped between formed punch 40 and jacking block 51 metal plate is slowly bent, reduce the unexpected stress deformation of metal plate.

In the present embodiment, the upper surface of sliding block 52 is equipped with several guide pillar holes 520, and the side of guide pillar hole 520 is equipped with oblique angle face 522, the other side of guide pillar hole 520 is equipped with groove 523, and the bottom end of sliding block 52 is equipped with boss 521, guide pillar hole 520 and inclined guide pillar 22 Mating, press strip 53 and boss 521 are engaged by clamping and are bolted on slide unit 55, are defined sliding block 52 and do transverse direction Movement.

The automobile guide rail piercing die of the present embodiment at work, is first fixed on punching machine, by stepping on after starting punching machine Pedal driven mold punching press, the metal plate of well cutting is placed on jacking block 51, realizes limit by the groove 523 on sliding block 52, After pedal, the promotion of die shank 1 is attached thereto the upper die holder 2, backing plate 20, upper mold 4 being integral and moves downward together, works as formed punch 40 contact with metal plate and move downward in the clamping of jacking block 51, due to the support restriction effect of groove 523, so that among metal plate It is bent first, when formed punch 40 reaches the surface of lower die 5, upper mold 4 is by gear stop motion, and spiral spring 1 is compressed at this time, Upper die holder 2 and backing plate 20 continue to push thimble 21 and inclined guide pillar 22 moves downward, and is slided in counterbore 42 by guide post 3, rises Guiding role, convenient for accurately docking with lower die 5, during spiral spring 1 is compressed most short, thimble 21 is just from formed punch Circular hole in 40 is pierced by metal plate punching, and inclined guide pillar 22 and briquetting 41 connect with guide pillar hole 520 and oblique angle face 522 respectively at the same time Touching, and polymerize along slide unit 55 to centre with movable slider 52, it is squeezed into metal plate between sliding block 52 and formed punch 40 Rail shapes are also punched simultaneously, this punching die just realizes the punching progress synchronous with bending of guide rail, are effectively guaranteed The precision of hole location carries out subsequent assembly orderly.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile guide rail punching die, comprising a die handle (1), an upper die holder (2), a guide post (3), an upper die (4), a lower die (5) and a lower die holder (6), It is characterized in that: the bottom end of the die handle (1) is connected with the upper die base (2), the bottom surface of the upper die base (2) is fixed with a backing plate (20), and the backing plate (20) is internally A number of thimbles (21) are inserted into the center of the thimble (21), a number of inclined guide posts (22) are symmetrically arranged on both sides of the thimble (21), and a number of the guide posts (3) are connected to the bottom surface of the backing plate (20). ), the bottom end of the guide post (3) is connected with the upper die (4), a punch (40) is fixed at the center of the bottom surface of the upper die (4), and two sides of the punch (40) A pressing block (41) is fixed symmetrically on the side, and the lower mold (5) is arranged below the upper mold (4);

A stepped cavity (50) is opened in the center of the lower mold (5), and a top block (51) is inserted into the upper end of the stepped cavity (50), and two sides of the top block (51) are symmetrically provided with A sliding block (52), two ends of the sliding block (52) are fixed with pressure strips (53), one side of the pressure strip (53) is fixed with a stopper (54), and two sides of the lower mold (5) are fixed A sliding table (55) is provided symmetrically, and the lower mold seat (6) is fixed on the bottom surface of the lower mold (5).

2. The automobile guide rail punching die according to claim 1, characterized in that: the die handle (1) and the upper die base (2) are fixedly connected by screws, and the upper die base (2), the The four corners of the backing plate (20) and the upper die (4) are provided with circular holes corresponding to one another.

3. The automobile guide rail punching die according to claim 1, characterized in that: the outer side of the guide post (3) is sleeved with a coil spring one (30), and the guide post (3) is a stepped shaft with a small diameter One end is provided with a threaded hole, the large diameter end of the guide post (3) is inserted and matched with the countersunk hole (42) opened on the bottom surface of the upper die (4), and the inclined guide post (22) is embedded in the pad in the plate (20) and through the upper die (4).

4. The automobile guide rail punching die according to claim 1, characterized in that: the center of the punch (40) and the upper die (4) is provided with a through hole corresponding to the ejector pin (21) one-to-one. The punch (40), the pressing block (41) and the upper die (4) are fixedly connected by bolts.

5. The automobile guide rail punching die according to claim 1, characterized in that: a second coil spring (56) is provided below the top block (51) and the second coil spring (56) is embedded in the lower die In the groove of the seat (6), the lower mold (5) and the lower mold seat (6) are fixedly connected by bolts.

6. The automobile guide rail punching die according to claim 1, characterized in that: the upper surface of the slider (52) is provided with a plurality of guide post holes (520), one side of the guide post holes (520) A beveled surface (522) is provided, a groove (523) is provided on the other side of the guide post hole (520), and a boss (521) is provided at the bottom end of the slider (52). The column hole (520) is inserted and matched with the inclined guide column (22), and the pressure strip (53) is snap-fitted with the boss (521) and fixed on the sliding table (55) by bolts.