CN205414289U - Compound mould of shaping based on forge part - Google Patents

Compound mould of shaping based on forge part Download PDF

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Publication number
CN205414289U
CN205414289U CN201520994687.5U CN201520994687U CN205414289U CN 205414289 U CN205414289 U CN 205414289U CN 201520994687 U CN201520994687 U CN 201520994687U CN 205414289 U CN205414289 U CN 205414289U
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China
Prior art keywords
forging
die
blank
interior
pressure head
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Expired - Fee Related
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CN201520994687.5U
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Chinese (zh)
Inventor
黄林春
赵飞
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Jianglu Machinery and Electronics Group Co Ltd
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Jianglu Machinery and Electronics Group Co Ltd
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Priority to CN201520994687.5U priority Critical patent/CN205414289U/en
Application granted granted Critical
Publication of CN205414289U publication Critical patent/CN205414289U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a compound mould of shaping based on forge part, it includes the upper mold section constituteed by the pressure head, is placed in under the external mold in the taper hole and the female die of forming by interior die sleeve, upper mold section and the female die combination moulding of group utensil die cavity, this mould cavity includes the interior taper hole and the up end of interior die sleeve, the big taper hole and the connection face of external mold, the outer circular cone of pressure head, interior awl blind hole, lower terminal surface, during the forging and pressing, place the female die in the hammered work bench, in the die cavity was placed perpendicularly to blank that the heating is good, the equipment tup was down, in clamp -oning the blank in the die sleeve in the taper hole and the part under the blank that takes shape to forging and pressing upper end flange, the tup goes upward in the back pressure head places the die cavity in, and the tup forges and presses down again, with the blank top that takes shape in the awl blind hole in clamp -oning that the blank is reverse, forges and presses flange setting back simultaneously, and is ejecting from the die cavity, it has been overcome present loose tooling forging and has had forging surface quality, production efficiency, and the child mould life -span is all than lower defect, it forges frame shaft class part blank on the equipment of freely forging extensively to be applicable to.

Description

A kind of molding composite die based on forging parts
Technical field
This utility model relates to a kind of molding composite die based on forging parts.
Background technology
In machine-building, the blank of stress key position strength member is often designed to forging;Shape according to forging, size, production quantity select different Forging Technologies;Traditional Forging Technology mainly has open die forging, die forging and loose tooling forging.Open die forging: the part blank precision of forging is low, it is big that machine adds surplus, and productivity ratio is low, is served only for the axle class of simple shape, dish class and ring-shaped work pieces single-piece or small serial production;Die forging: need forging equipment and special forging die, produces work step many, it is generally required to multiple work steps such as base, blocking, finish-forging, trimming, and the Operational preparation cycle is long, die cost is high, is particularly adapted to produce in enormous quantities;Loose tooling forging: the blank of employing activity loose tool forging parts on open die forging equipment, it is a kind of Forging Technology between open die forging and die forging, compared with die forging, forging surface quality, and productivity ratio, loose tool life-span all ratios are relatively low;Its construction features of framework axial workpiece: diameter changes greatly, and axial dimension is long, and structure is more complicated, is not easy to metal flow, forging base difficult, and follow-up machine to add surplus the biggest.
Summary of the invention
For above-mentioned situation, the purpose of this utility model is to provide a kind of molding composite die based on forging parts, it both allowance little, shape is regular, and size is accurate;Can improve again stock utilization, and mould structure is simple, easy to manufacture, with short production cycle, energy-saving and cost-reducing, Technical Economy is good, it is simple to penetration and promotion.
To achieve these goals, a kind of molding composite die based on forging parts, it includes the upper mold section being made up of pressure head, interior the die sleeve female die formed in being placed in external mold lower cone hole, and described upper mold section is combined composition mold cavity with described female die;This mold cavity includes internal taper hole and the upper surface of interior die sleeve, the big taper hole of external mold and joint face, pressure head outer cone, inner cone blind hole, lower surface.
In order to realize structure, effect optimization, its further step is:
Described external mold includes the cylinder being provided with hollow;
Described hollow is made up of upper and lower two reverse taper holes and joint face;
Described upper taper hole coordinates with pressure head;
Described lower cone hole coordinates with interior die sleeve outer cone;
Described interior die sleeve upper surface is higher than joint face, and its difference in height h value is 0.3~0.5mm;
Being provided with transition arc between internal taper hole surface and its upper surface of described interior die sleeve, its radius value is 8~15mm;
Described interior die sleeve selects the trade mark to be 3Cr2W8V high-quality mould steel manufacture.
A kind of molding composite die based on forging parts of this utility model, uses the upper mold section including being made up of, interior the die sleeve female die formed in being placed in external mold lower cone hole pressure head, and upper mold section is combined composition mold cavity with female die;This mold cavity includes internal taper hole and the upper surface of interior die sleeve, the big taper hole of external mold and joint face, pressure head outer cone, lower surface, inner cone blind hole;During forging and stamping, being placed in by female die on open die forging equipment workbench, the blank heated is disposed vertically in die cavity, and equipment tup is descending, forming workblank lower part in blank is clamp-oned interior die sleeve internal taper hole, and forges and presses upper flanges;The up rear pressure head of tup is placed in die cavity, the most descending forging and stamping of tup, forming workblank upper part in blank is reversely clamp-oned inner cone blind hole, simultaneously after the setting of forging and stamping flange, and the technical scheme ejected from die cavity;Which overcoming existing loose tooling forging and there is forging surface quality, production efficiency, the loose tool life-span is all than relatively low defect.
This utility model produced beneficial effect compared to existing technology:
(I) this utility model uses the upper mold section including being made up of, interior the die sleeve female die formed in being placed in external mold taper hole pressure head, and upper mold section is combined the technical scheme of composition mold cavity with female die;It changes the version of existing loose tool and forging die;
(II) this utility model uses the upper mold section including being made up of, interior the die sleeve female die formed in being placed in external mold taper hole pressure head, and upper mold section is combined the technical scheme of composition mold cavity with female die;It simplifies technique, improves again the versatility of equipment;
(III) this utility model uses the upper mold section including being made up of, interior the die sleeve female die formed in being placed in external mold taper hole pressure head, and upper mold section is combined the technical scheme of composition mold cavity with female die;The shape of forged blank is the most regular, and dimensional accuracy and positional precision are the highest, and allowance is substantially reduced;
(IV) this utility model uses the upper mold section including being made up of, interior the die sleeve female die formed in being placed in external mold taper hole pressure head, and upper mold section is combined the technical scheme of composition mold cavity with female die;It significantly improves the utilization rate of material, energy-saving and cost-reducing obvious with technical economic benefit;
(V) technical scheme that this utility model uses radius value to be 8-15mm transition arc;Significantly improve the service life of interior die sleeve;
(VI) die sleeve upper surface joint face height h in this utility model uses, h value is the technical scheme of 0.3~0.5mm;When making the upper part of pressure head backward extrusion gimbal axis blank, limit the lower part metal reverse flow of formed blank, facilitate blank forming, significantly improve quality and the qualification rate of forging blank;
(VII) this utility model uses and is made up of the technical scheme being compounded to form mould external mold, interior die sleeve and pressure head;Making upper mold section pressure head structure simple, volume is greatly reduced, and reduces mold materials consumption, reduces die cost by a relatively large margin;
(VIII) this utility model uses upper and lower two reverse taper holes and the technical scheme of joint face composition so that forging blank non-trimming, saves trimming operation;Its dimensional accuracy, shape and positional precision and surface quality are all close to the quality of die forging blank;
(Ⅸ) this utility model uses by upper and lower two reverse taper holes and the technical scheme of the hollow circular cylinder external mold of joint face, it is achieved the breakthrough of mould structure combining form;
(Ⅹ) this utility model uses the interior die sleeve of double cone structure, and the mould steel that selects the high-quality trade mark to be 3Cr2W8V and the technical solution of quenching technical;Make quenching hardness reach 40 50HRC, improve interior die sleeve service life;Facilitate forging blank depanning, make mould structure simple;Using the technical scheme of gimbal axis class part blank of forging on open die forging equipment, it saves material 46.6% than loose tooling forging, saves material 19.5% than die forging, and the interior die sleeve life-span improves 4~5 times than loose tool;Calculating by 800/year, can save former material expense 25.7 ten thousand circle every year, save die cost more than 40,000 and justify, minimizing machine adds expense 3.2 ten thousand circle;And mould structure is simple, easy to manufacture, with short production cycle, energy-saving and cost-reducing, Technical Economy is good, it is simple to penetration and promotion.
This utility model is applicable on open die forging equipment forge gimbal axis class part blank.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the main sectional view of combined shaping mould.
Fig. 2 is the gimbal axis blank drawing of combined shaping forging dies.
In figure: 1, external mold;2, interior die sleeve;3, pressure head;4, forging blank, 11, lower cone hole;12, joint face;13, upper taper hole;21, interior die sleeve outer cone;22, taper hole;23, upper surface;24, transition arc;31, pressure head cylinder;32, outer cone;33, lower surface;34, inner cone blind hole.
Detailed description of the invention
Fig. 1 shows the embodiment of a kind of molding composite die based on forging parts of this utility model, and this combined shaping mould is formed upper mold section by pressure head 3, interior die sleeve 2 form female die in being placed in external mold lower cone hole 11, and upper mold section is combined composition mold cavity with female die;This mold cavity includes interior die sleeve internal taper hole 22 and upper surface 23, the upper taper hole 13 of external mold and joint face 12, the pressure head cylinder 31 of pressure head 3, lower surface 33, inner cone blind hole 34;After interior die sleeve 2 loads external mold lower cone hole 11, upper surface necessarily be greater than joint face 12, its height h value is 0.3~0.5mm, when it acts on the upper part of pressure head 3 backward extrusion gimbal axis blank, can effectively limit the lower part metal reverse flow of formed blank, facilitate blank forming, it will be apparent that ground improves quality and the qualification rate of forging blank;Described pressure head 3 is made up of outer cone 32 combination that pressure head cylinder 31 and are up big and down small, is designed with pressure head cylinder 31, outer cone 32, lower surface 33, inner cone blind hole 34 on the basis of its centrage;Described external mold 1 is provided with two reverse taper holes, i.e. lower cone hole 11, upper taper hole 13 and joint face 12 and forms the cylinder of hollow;Described interior die sleeve 2 is designed to biconial structure, and i.e. interior die sleeve outer cone 21, internal taper hole 22 and the transition arc 24 of its upper surface 23, be 8~15mm according to length, its radius value of transition arc 24 different from flange diameter ratio respectively of framework axial workpiece flange two end axles;Interior die sleeve 2 selects again the trade mark to be 3Cr2W8V high-quality mould steel manufacture, and quenching hardness reaches 40~50HRC, takes these measures aforementioned to be considerably improved the service life of interior die sleeve.
This utility model is provided the combined shaping mould of forging gimbal axis class part blank, and its work process is characterised by: external mold 1 and interior die sleeve 2 combination forming forging blank lower part and the mold cavity of mid portion;Bottom surface is placed on the work top of open die forging equipment, the part blank heated is disposed vertically in mold cavity, open die forging equipment tup runs downwards forging and stamping, and forming workblank lower part in part thermometal is clamp-oned interior die sleeve internal taper hole 22, forging and stamping upper flanges diameter increases simultaneously;Open die forging equipment tup is up subsequently, stops;Pressure head 3 is placed on external mold 1 in a taper hole 13, open die forging equipment tup runs still further below, upper flanges diameter portion thermometal is reversely clamp-oned in the inner cone blind hole 34 of pressure head 3, forming workblank upper part, forging and stamping spacer flanger diameter shapes and is swaged into integral workblank simultaneously, is finally ejected from die cavity by blank.
Application combined shaping mould as shown in Figure 1, forges gimbal axis class part blank such as Fig. 2 on open die forging equipment;Combined shaping die forging saves material 46.6% than loose tooling forging, and combined shaping mould saves material 19.5% than die forging.

Claims (8)

1. a molding composite die based on forging parts, it is characterized in that it includes the upper mold section being made up of pressure head (3), the female die formed in being placed in external mold (1) lower cone hole (11) by interior die sleeve (2), described upper mold section is combined composition mold cavity with described female die;This mold cavity includes internal taper hole (22) and upper surface (23) of interior die sleeve (2), the upper taper hole (13) of external mold (1) and joint face (12), pressure head (3) outer cone (32), lower surface (33), inner cone blind hole (34).
A kind of molding composite die based on forging parts the most according to claim 1, it is characterised in that: described external mold (1) includes the cylinder being provided with hollow.
A kind of molding composite die based on forging parts the most according to claim 2, it is characterised in that described hollow is made up of upper and lower two reverse taper holes and joint face (12).
A kind of molding composite die based on forging parts the most according to claim 1, it is characterised in that described upper taper hole (13) coordinates with pressure head (3).
A kind of molding composite die based on forging parts the most according to claim 1, it is characterised in that described lower cone hole (11) coordinates with interior die sleeve outer cone (21).
A kind of molding composite die based on forging parts the most according to claim 1, it is characterised in that described interior die sleeve (2) upper surface (23) ratio joint face (12) high h, h value is 0.3~0.5mm.
A kind of molding composite die based on forging parts the most according to claim 1, it is characterized in that arranging transition arc (24) between internal taper hole (22) surface of described interior die sleeve (2) and its upper surface (23) is connected, its transition arc (24) radius value is 8-15mm.
A kind of molding composite die based on forging parts the most according to claim 1, it is characterised in that described interior die sleeve (2) selects the trade mark to be 3Cr2W8V mould steel manufacture.
CN201520994687.5U 2015-12-06 2015-12-06 Compound mould of shaping based on forge part Expired - Fee Related CN205414289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520994687.5U CN205414289U (en) 2015-12-06 2015-12-06 Compound mould of shaping based on forge part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520994687.5U CN205414289U (en) 2015-12-06 2015-12-06 Compound mould of shaping based on forge part

Publications (1)

Publication Number Publication Date
CN205414289U true CN205414289U (en) 2016-08-03

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Family Applications (1)

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CN201520994687.5U Expired - Fee Related CN205414289U (en) 2015-12-06 2015-12-06 Compound mould of shaping based on forge part

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732026A (en) * 2019-01-22 2019-05-10 武汉重工铸锻有限责任公司 Mold and usage for local die forging both ends abnormity connecting rod
CN113953424A (en) * 2021-11-04 2022-01-21 武钢集团襄阳重型装备材料有限公司 Slag pot trunnion manufacturing method for improving material utilization rate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732026A (en) * 2019-01-22 2019-05-10 武汉重工铸锻有限责任公司 Mold and usage for local die forging both ends abnormity connecting rod
CN109732026B (en) * 2019-01-22 2023-10-20 武汉重工铸锻有限责任公司 Die for partially die forging special-shaped connecting rod with two ends and use method
CN113953424A (en) * 2021-11-04 2022-01-21 武钢集团襄阳重型装备材料有限公司 Slag pot trunnion manufacturing method for improving material utilization rate

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160803

Termination date: 20201206