CN202192201U

CN202192201U - Forging piece molding die

Info

Publication number: CN202192201U
Application number: CN201120262108XU
Authority: CN
Inventors: 赵林华; 沈炎
Original assignee: JIANGYIN CITY LIAOYUAN FORGING CASTING CO Ltd
Current assignee: JIANGYIN CITY LIAOYUAN FORGING CASTING CO Ltd
Priority date: 2011-07-22
Filing date: 2011-07-22
Publication date: 2012-04-18
Anticipated expiration: 2021-07-22

Abstract

The utility model disclose a forging piece molding die, which comprises a die holder, inserts, a plunger chip, a head board and a holder, wherein a punching guide insert and a punching die plate insert are arranged on the die seat; the plunger chip for punching is arranged on the die holder; the angle alpha of the finish forging punching working part of the plunger chip is designed to be equal to 150-170 degrees; in the inserts, the diameter d clamping of the clamping part of the finish forging die plate insert and the diameter d punching of a finishing fording punching pin are designed to be equal to the diameter d forging of a forging piece, namely the d clamping, the d punching and the d forging are equal to each other; and the head board is provided with an inclined U-shaped open slot. As the die is additionally provided with a punching procedure, the die can conduct combination processes such as accumulation forming, preforging forming, finish forging forming, punching and the like, and does not need to be additionally provided with a press machine; and as the head board is provided with a feeding compensation open slot, precise feeding can be realized, a produced tooth billet has no flash, and the cutting process on some non-matched surfaces can be eliminated, thereby greatly improving production efficiency and material utilizing rate.

Description

A kind of forging mould

Technical field

The utility model relates to metal forming machinery, is specifically related to a kind of forging mould.

Background technology

At present, along with the development of Domestic Automotive Industry, being in great demand of gear; In the enterprise with big-and-middle-sized forging and pressing ability, the gear teeth base is on die hammer, forcing press or horizontal forging and upsetting machine, to adopt common forging mold to forge and press out, and the blanking operation will be cut into short material with long bar before the forging and pressing; The hole at tooth base center, forging and pressing back will lean on other forcing press to go out or cut is made; The waste of residue stub bar is big, can't produce continuously, and working (machining) efficiency is low.

The utility model content

The purpose of the utility model is to overcome the defective that exists in the prior art, and a kind of blanking operation of saving is provided, and can continuously produce the forging mould of non-trimming and gear teeth base with holes.

For realizing above-mentioned purpose; The technical scheme of the utility model is a kind of forging mould of design; Said mould comprises die holder, inserts, drift, front apron, clamper; It is characterized in that, be provided with on said die holder that punching guiding is inserted and punching concave die is inserted, on said clamper, be provided with the drift of punching; The angle design of the finish-forging drift working portion in the said drift is a=150 °～170 °; The diameter d at the thin position of card of the finish-forging die plate insert in said the inserting _CardAnd the diameter d of finish-forging drift _DashBe designed to equal the diameter d of forging _Forge, i.e. d _Card=d _Dash=d _ForgeOn said front apron, be provided with " U " shape open slot of inclination.

The advantage and the beneficial effect of the utility model are: this mould is installed in finish forge tooth base on the horizontal parting horizontal forging and upsetting machine; Blank horizontal positioned during forging; Its length does not receive the restriction of the device space, can forge several tooth base forging with long bar, saves bar blanking operation; Owing to increased the punching operation, can build up integrations of operation such as moulding, blocker forging, finish forging, punching simultaneously, must not dispose forcing press in addition; Because front apron is provided with feeding compensation open slot, accurate feeding, the tooth base non-trimming of producing, some non-matching surface even can not need cut has improved productivity ratio and stock utilization greatly.

Description of drawings

Fig. 1 is the structural representation of the utility model forging mould;

Fig. 2 is the local enlarged diagram of the utility model forging mould;

Fig. 3 is the utility model forging mould (drift, die, front apron) interlock cross-sectional view;

Fig. 4, Fig. 5 are the front apron structural representations of the utility model forging mould.

Among the figure: 1, frame; 2, die holder; 3, attachment screw; 4, the punching guiding is inserted; 5, punching concave die is inserted; 6, pierce punch; 7, clamping is inserted; 8; Build up drift; 9, build up die plate insert, 10, the blocking die plate insert; 11, blocking drift; 12, finish-forging die plate insert; 13, block thin position; 14, finish-forging drift; 15, finish-forging drift working portion; 16, front apron; 17, open slot; 18, clamper; 19, detent mechanism; 20, bar.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection domain of the utility model with this.

By Fig. 1, Fig. 2 can find out on all round die holder 2 be fixedly connected through the attachment screw on inserting separately 3 build up die plate inserts 9, blocking die plate insert 10, finish-forging die plate insert 12, clamp insert 7 and the punching guiding insert 4; Be fixedly connected with on the clamper 18 and build up drift 8, blocking drift 11, finish-forging drift 14 and pierce punch 6; Wherein the angle design of finish-forging drift working portion 15 is the a=160 degree; The thin position of the card of finish-forging die plate insert 12 13 diameter d _CardAnd finish-forging drift 14 diameter d _DashBe designed to equal the forging diameter d _Forge, i.e. d _Card=d _Dash=d _ForgeThe setting of this size can realize the accurate shaping of finish-forging work step to forging, for the punching work step is got ready.

Can find out that by Fig. 3 front apron 16 is fixedly connected on the detent mechanism 19; All round die holder 2, detent mechanism 19 are fixedly connected on respectively on the horizontal forging and upsetting machine frame 1; Clamper 18 is slidingly connected with horizontal forging and upsetting machine frame 1, builds up drift 8 during work and retreats, and open-close type all round die holder 2 upwardly opens; Front apron 16 moves to be built up between die plate insert 9 and the accumulation drift 8, puts into the bar after the preheating and builds up die plate insert 9, makes the bar front end withstand on the side of front apron 16 band open slots; Front apron 16 withdraws from then, and all round die holder 2 closures clamp the 7 clamping bars of inserting; Build up drift 8 and advance, accomplish and build up moulding; The workpiece that to build up moulding again moves to repetitive operation in the blocking die plate insert 10, accomplishes blocker forging, finish forging, punching work step successively.

Can find out that by Fig. 4, Fig. 5 front apron 16 is provided with feeding compensation open slot 17, its base diameter is carefully partly being as the criterion through the bar card, and the depth H of open slot is calculated location long back calculating according to the bar diameter and established H=(Y _Forging-V _{After card is thin})/π (D _Card/ 2) ²During feeding first, the bar end diameter is greater than open slot 17 sizes, and bar is limited in open slot 17 outsides of front apron 16; When the residue bar after the use punching, because the end is blocked carefully, bar 20 ends get into open slot 17, utilize open slot that feed length is revised, and to guarantee the constancy of volume of feeding metal, have solved the tooth base defective that causes because of the feeding inequality.

Characteristics such as it is simple, easy to operate that the utility model forging mould has technology, easy to implement, promotional value is higher.

The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims

1. forging mould, said mould comprise die holder, insert, drift, front apron, clamper, it is characterized in that, are provided with on said die holder that the punching guiding is inserted and punching concave die is inserted, and on said clamper, are provided with the drift of punching; The angle design of the finish-forging drift working portion in the said drift is a=150 °～170 °; The diameter d at the thin position of card of the finish-forging die plate insert in said the inserting _CardAnd the diameter d of finish-forging drift _DashBe designed to equal the diameter d of forging _Forge, i.e. d _Card=d _Dash=d _ForgeOn said front apron, be provided with " U " shape open slot of inclination.