CN202239432U

CN202239432U - Stress embedded type flange disc forging mold

Info

Publication number: CN202239432U
Application number: CN2011203212545U
Authority: CN
Inventors: 曹衍学; 王波
Original assignee: SHANDONG YUANDA MOULD MATERIAL CO Ltd
Current assignee: SHANDONG YUANDA MATERIAL TECHNOLOGY CO., LTD.
Priority date: 2011-08-30
Filing date: 2011-08-30
Publication date: 2012-05-30
Anticipated expiration: 2021-08-30

Abstract

The utility model discloses a stress embedded type flange disc forging mold, relating to the flange-disc forging and processing tool. The mold is characterized in that an upper mold jacket, a lower mold jacket and a mold core are of a stress embedded type split structure; the section of the upper mold jacket is a T-shaped composite cylinder; the inner part of the upper mold jacket is an inverted T-shaped cylindrical cavity; an upper mold embedding core is a stepped composite cylinder with thin upper and lower ends and a thick middle part; the upper end and the middle end are of an inverted T-shaped stepped structure; the middle section and the lower-end cylinder of the upper mold embedding core are of a T-shaped stepped structure; the lower end surface of the upper mold embedding core is provided with a ring-shaped upper molded surface which is concave at the periphery and is convex at the middle part; the shape of the lower mold jacket matched with the upper mold jacket is an inverted T-shaped composite cylinder, and the inner part of the lower mold embedding core is a T-shaped composite cylinder cavity; a lower mold embedding core is a stepped cylinder with a thick upper end and a thin lower end, and the upper end surface of the lower mold embedding core is provided with a ring-shaped lower molded surface with a concave periphery and a convex middle part; and the central part of the lower mold embedding core is provided with an ejecting rod hole with an V-shaped upper end and a cylindrical lower end, and the ejecting rod hole is internally provided with an ejecting rod. In the stress embedded type flange disc forging mold, the structure is simple, and the upper mold jacket and the lower mold jacket play a role in stress protection, so that the service life of the molded surface of the mold is prolonged. The stress embedded type flange disc forging mold is matched with stamping equipment for use, can be convenient and fast to finish the forging and processing of a flange disc, and avoids the defects of easy cracking when the hardness of the mold is high, short service life when the hardness is low and integral abandonment caused by local damage of the mold or early failure of the molded surface. The stress embedded type flange disc forging mold has the advantages of low mold manufacturing and using cost, fewer consumed materials, high working efficiency, simple and easy manufacture and use and convenient and fast disassembly and assembly as well as replacement of the embedding cores and the like.

Description

Inserted ring flange forging mold

Technical field

The utility model relates to a kind of ring flange and forges machining tool.

Background technology

Ring flange forges needs to adopt forging mold in the process; The upper and lower mould of mould that existing ring flange manufacturing firm is adopted is overall structure; The mould of this structure in use if the quenching hardness of mould is higher than HRC45, then causes cracking easily because of toughness is relatively poor in the use; If the quenching hardness of mould is lower than HRC40, the then profile of mould premature deformations inefficacy in use, thus cause die life lower; Because local cracking of mould or profile initial failure will cause mold integral to be scrapped, and it is long that the cycle is manufactured in processing again, cost is high, causes the waste of manpower, fund and material resources, influences operating efficiency simultaneously.

Summary of the invention

The purpose of the utility model provides a kind of inserted ring flange forging mold, and existing mold hardness is easy to crack when high, low, the local cracking of mould of life-span or profile initial failure caused that integral body is scrapped, cost height, waste material, influence problem such as operating efficiency when hardness was low to solve.

The utility model mainly is made up of upper die and lower die, and solving the technical scheme that its technical problem adopts is that upper and lower mould die sleeve of this mould and core rod are inserted minute body structure of stress: patrix overcoat section is " T " shape composite cylindrical body, and the upper end is greater than the lower end; The patrix overcoat is inner for being inverted " T " shape cylinder die cavity, and the lower end is greater than the upper end; Patrix edge core is a step composite cylindrical body thick between the upper/lower terminal detail; Upper end and middle-end are for being inverted " T " shape ledge structure; Patrix edge core stage casing and lower end cylinder are " T " shape ledge structure; The lower surface of patrix edge core is provided with profile on the annular of peripheral recesses intermediate projections; Supporting with it counterdie overcoat outward appearance is for being inverted " T " shape composite cylindrical body, and the lower end is greater than the upper end; Counterdie overcoat inside is " T " shape composite cylindrical build chamber, and the upper end is greater than the lower end; Counterdie edge core is the thin step property cylinder in thick lower end, upper end, and the upper surface of counterdie edge core is provided with profile under the annular of peripheral recesses intermediate projections; It is columniform jogger hole for " V " shape lower end that the centre of counterdie edge core is provided with the upper end, and jogger hole is placed push rod, and forging ejects mold cavity through push rod with product ring flange forging stock after accomplishing.

Adopting the good effect of the utility model is that mould structure is simple, and upper and lower mould overcoat has played the effect that stress is protected, the service life of also having improved die face simultaneously to upper and lower mould edge core.Adopt the utility model and the supporting use of pressing equipment, can conveniently accomplish the forging processing of ring flange, integral body easy to crack when having avoided mould hardness high, that low, mould local damage of life-span or profile initial failure caused when hardness was hanged down is scrapped.Have advantages such as the Mold Making use cost is low, consumptive material is few, high efficiency, making is simple for use, disassembling, assembling and replacing edge core is convenient and swift.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified:

Accompanying drawing 1 is the utility model structural representation;

1 patrix overcoat, 2 patrixes edge core, 3 annulars go up profile, 4 annulars profile, 5 jogger holes, 6 push rods, 7 counterdie overcoats, 8 counterdies edge core down among the figure.

The specific embodiment

As shown in the figure: inserted ring flange upper mould overcoat 1, patrix edge core 2; Counterdie overcoat 5 and counterdie edge; 6 are inserted minute body structure of stress: patrix overcoat 1 section is a T-shape composite cylindrical body; The upper end is greater than the lower end, and the T-shape structure that upper and lower end cylinder drop forms is to achieve a fixed connection for upper end cylinder and forging equipment upper table; Patrix overcoat 1 is inner for being inverted " T " shape cylinder die cavity, and the lower end is greater than the upper end; The inversion T-shape structure that upper and lower side composite cylindrical build chamber drop forms is for after realizing inlaying with patrix edge core stress, when forging equipment work, prevents the upwards slip of patrix edge core, plays fixing effect; Patrix edge core 2 is a step composite cylindrical body thick between the upper/lower terminal detail; Upper end and middle-end be for being inverted " T " shape ledge structure, realizes inlaying with the stress of the inversion T-shape cylinder die cavity of patrix edge cover, thereby prevent when forging equipment work the slip that makes progress of patrix edge core body; Patrix edge core 2 stage casings and lower end cylinder are " T " shape ledge structure, realize that patrix and counterdie form closed die cavity when work, and play guide effect, prevent the mould dislocation; The lower surface of patrix edge core 2 is provided with profile 3 on the annular of peripheral recesses intermediate projections, cooperates realization to forge the product ring flange so that when forging equipment work, inlay core with counterdie.Supporting with it counterdie overcoat 7 outward appearances are for being inverted T-shape composite cylindrical body, and the lower end is greater than the upper end, and the inversion T-shape structure that upper and lower end cylinder drop forms is to achieve a fixed connection for lower end cylinder and forging equipment lower table; Counterdie overcoat 7 inside are T-shape composite cylindrical build chamber, and the upper end is greater than the lower end; The T-shape structure that upper and lower end cylinder an actor's rendering of an operatic tune drop forms is for after realizing inlaying with counterdie edge core stress, prevents that when forging equipment work counterdie from inlaying core to lower slider, plays fixing effect; Counterdie edge core 8 is the thin step property cylinder in thick lower end, upper end; The inversion T-shape ledge structure that upper and lower end forms is that realization is inlayed with the stress in the T-shape composite cylindrical build chamber of counterdie edge cover, thereby prevents that counterdie edge core body is to lower slider when forging equipment is worked; The upper surface of counterdie edge core 8 is provided with profile 4 under the annular of peripheral recesses intermediate projections, when forging equipment work, inlays core with patrix and cooperates realization to forge the product ring flange; It is columniform jogger hole 5 for " V " type lower end that the centre of counterdie edge core 8 is provided with the upper end, places push rods 6 in the jogger hole 5, forges through push rod 6 product ring flange forging stock to be ejected mold cavity after accomplishing.

During processing mold, inlay patrix edge core 2 at patrix overcoat 1 centre stress, patrix edge core 2 Hardness Design are at HRC45-48; Patrix overcoat 1 Hardness Design is at HRC30-35, adopts interference fit, be heated to 450 ℃ to patrix overcoat 1 after; To go up edge core rod 2 and put into the patrix overcoat; Utilize the rising-heat contracting-cold principle, realizing closely cooperating in the cooling back, constitutes patrix; Inlay counterdie edge core 8 at counterdie overcoat 7 centre stress, counterdie edge core 8 Hardness Design are at HRC45-48, and counterdie overcoat 7 Hardness Design are at HRC30-35; Adopt interference fit; After being heated to 450 ℃ to counterdie overcoat 7, counterdie being inlayed core put into patrix overcoat 8, utilize the rising-heat contracting-cold principle; Realizing closely cooperating in the cooling back, constitutes counterdie.

When using mould, patrix is fastened on the upper table face of forging equipment, moves up and down; Counterdie is fixed on the following table of forging equipment, and after the raw material material base of punching press ring flange was put into counterdie, patrix moved up and down; Just can realize the ring flange forging molding; When the fatigue damage of upper and lower mould edge core pattern face, directly change upper and lower mould edge core and can continue to use, realize raw-material saving, reduce manufacturing cost.

Claims

1. an inserted ring flange forging mold mainly is made up of upper die and lower die, and it is characterized in that upper and lower mould overcoat of this mould and core rod are inserted minute body structure of stress: patrix overcoat section is " T " shape composite cylindrical body; The patrix overcoat is inner for being inverted " T " shape cylinder die cavity; Patrix edge core is a step composite cylindrical body thick between the upper/lower terminal detail; Upper end and middle-end are for being inverted " T " shape ledge structure; Patrix edge core stage casing and lower end cylinder are " T " shape ledge structure; The lower surface of patrix edge core is provided with profile on the annular of peripheral recesses intermediate projections; Supporting with it counterdie overcoat outward appearance is for being inverted " T " shape composite cylindrical body, and counterdie overcoat inside is " T " shape composite cylindrical build chamber; Counterdie edge core is the thin step property cylinder in thick lower end, upper end, and the upper surface of counterdie edge core is provided with profile under the annular of peripheral recesses intermediate projections; It is columniform jogger hole for " V " shape lower end that the centre of counterdie edge core is provided with the upper end, places push rod in the jogger hole.

2. inserted ring flange forging mold according to claim 1 is characterized in that patrix overcoat lower end is greater than the upper end.

3. inserted ring flange forging mold according to claim 1 is characterized in that the patrix overcoat is inner for being inverted " T " shape cylinder die cavity, and the lower end is greater than the upper end.

4. inserted ring flange forging mold according to claim 1 is characterized in that counterdie overcoat lower end is greater than the upper end.

5. inserted ring flange forging mold according to claim 1 is characterized in that the outer set upper side of counterdie is greater than the lower end.