CN104874683A - Trimming, punching and rectifying compound die convenient for quickly replacing dies - Google Patents

Trimming, punching and rectifying compound die convenient for quickly replacing dies Download PDF

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Publication number
CN104874683A
CN104874683A CN201510302227.6A CN201510302227A CN104874683A CN 104874683 A CN104874683 A CN 104874683A CN 201510302227 A CN201510302227 A CN 201510302227A CN 104874683 A CN104874683 A CN 104874683A
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China
Prior art keywords
punch
die
backing
connecting plate
trimming
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CN201510302227.6A
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Chinese (zh)
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CN104874683B (en
Inventor
张运军
晏洋
陈天赋
甘万兵
李生仕
武建祥
李航
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Hubei Tri Ring Forging Co Ltd
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Hubei Tri Ring Forging Co Ltd
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Abstract

The invention relates to the technical field of forging and trimming dies, in particular to a trimming, punching and rectifying compound die. A punch, an ejector, a trimming female die and a trimming male die are fixedly connected by bolts from a workpiece to a die holder and are conveniently demountable and replaceable frequently, use is facilitated, and an ejector device is designed into two parts including an ejector base and the ejector. The ejector base is arranged in a cavity of a connecting plate by a U-shaped connecting plate, the ejector is connected on the lower surface of the ejector base and penetrates the connecting plate to extend downwards, the trimming female die is arranged on the lower side of the connecting plate, a threaded rod portion is directly machined at the upper end of the punch, and the punch and a punch holder are fastened by a thread. The trimming, punching and rectifying compound die is scientific in structure, only the punch, the trimming female die, the trimming male die and the ejector can be replaced instead of replacing the integral die and demounting other parts, universality of the die is improved, die replacement time is reduced, production efficiency is improved, and the die is high in strength and not easy to damage.

Description

Be convenient to the edge-cutting and hole-punching calibrating combined mold of quick die change
Technical field
The present invention relates to forging shaving die technical field, particularly relate to a kind of edge-cutting and hole-punching calibrating combined mold being convenient to quick die change.
Background technology
Forging edge-cutting and hole-punching correcting combined die excises forging flash, gross weight after forging finish-forging completes, simultaneously to a kind of special process equipment that forging corrects.Existing edge-cutting and hole-punching correcting combined die is generally that backing-out punch is built in inside the cavity that connecting plate and upper bolster formed, nitrogen spring is built in the cavity on backing-out punch top, cause like this, when changing product, must all taking to whole mould bases the backing-out punch could changing other products apart, troublesome poeration, waste time and energy, and backing-out punch must realize carrying nitrogen spring and the effect ejecting forging simultaneously, structure is comparatively large, makes difficulty, and by the restriction of forging profile, there is no versatility.The drift of existing edge-cutting and hole-punching correcting combined die generally has two kinds of connected modes: one is be provided with the passage that screw rod passes through in punch holder, long bolt is adopted to pass the screw-threaded counterbore of punch holder passage and drift upper end from upper bolster upper surface, realization is threaded, this mode due to screw rod long, its intensity is difficult to ensure, and need fix drift when dismantling drift, from upper bolster upper surface dismantling screw, usual need two people cooperation, troublesome poeration; Two is arrange the passage that screw rod passes through in drift lower end, screw rod is connected with the screw-threaded counterbore of punch holder lower end through passage, such drift dismounting is simple, but is subject to the restriction of screw rod turret head size, causes this structure cannot realize the punching in hole aperture being less than to 50mm.If backing-out punch to be split into the backing-out punch seat be built in connecting plate and the backing-out punch be placed on outside connecting plate, if drift carries screw rod simultaneously, so the replacing of product does not just need to split mould bases entirety, and it is quite convenient to dismantle, but when mould structure is complicated, how designing mould structure is insoluble problem.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, and provide a kind of edge-cutting and hole-punching calibrating combined mold being convenient to quick die change, it is by U-shaped connecting plate, and part is arranged in the cavity of Appropriate application connecting plate and bottom, makes mould structure reasonable, convenient disassembly.
The technical solution adopted for the present invention to solve the technical problems is: a kind of edge-cutting and hole-punching calibrating combined mold being convenient to quick die change, it comprises patrix, counterdie, described patrix comprises upper bolster, the connecting plate of " U " font, punch holder, drift, described punch holder is arranged at the downside of described upper bolster, described punch holder lower end is provided with screw-threaded counterbore upwards, described drift is threaded with described punch holder by this screw-threaded counterbore, described connecting plate is connected to the downside of described upper bolster, backing-out punch seat is provided with in " U " font cavity of described connecting plate, backing-out punch, nitrogen spring is provided with in described backing-out punch seat cavity, described nitrogen spring is connected with described upper bolster by bolt, described backing-out punch is connected with described backing-out punch seat by bolt upwards, described backing-out punch seat, backing-out punch is socketed on outside described punch holder, the passage passed through for described backing-out punch is provided with in the middle part of described connecting plate, described backing-out punch seat both sides are provided with the boss exceeding this passage, the downside of described connecting plate is provided with trim die, described trim die is connected with described connecting plate by bolt upwards, described trim die is socketed on outside described drift, described counterdie comprises die shoe, the trimming punch corresponding with described trim die, described trimming punch is connected with described die shoe by downward bolt.
Described connecting plate side is provided with guide pin bushing, is provided with guide pillar in described guide pin bushing, and the lower end of described guide pillar is fixedly connected with described die shoe.
Described drift top is provided with the screw rod be connected with the screw-threaded counterbore of described punch holder.
Alignment pin is provided with between described upper bolster and connecting plate, between backing-out punch seat and backing-out punch, between described die shoe and trimming punch.
Material returned hole is provided with in the middle part of described trimming punch and die shoe.
The invention has the beneficial effects as follows: a kind of edge-cutting and hole-punching calibrating combined mold being convenient to quick die change, it is had the following advantages by said structure tool: 1, drift, trim die, trimming punch, backing-out punch are utilized and be fixedly connected with from workpiece to the bolt in die holder direction, be convenient to the part dismounting these being needed often to change, easy to use; 2, Lifting Device is divided into backing-out punch seat, backing-out punch two parts, and backing-out punch seat is arranged in the cavity of connecting plate, backing-out punch is arranged at outside the cavity of connecting plate, only need during replacing to change backing-out punch, do not need to change backing-out punch seat, the backing-out punch seat after simultaneously splitting can be used as general part, only needs again to drop into backing-out punch during production interchange, cost-saving, processing is simple; 3, drift upper end carries screw rod, and making only needs to lay down drift when changing, simple to operate, and drift is not by the restriction in forging aperture, and drift upper end carries screw rod simultaneously, and spiro rod length is short, diameter is large, and drift intensity is good; 4, drift or trim die can be removed as required, thus make mould have single correction, punching correction or trimming calibration function, improve the purposes of mould.
Accompanying drawing explanation
Fig. 1 is the edge-cutting and hole-punching calibrating combined mold structural representation being convenient to quick die change of the present invention.
Description of reference numerals:
1---upper bolster 2---connecting plate
3---punch holder 4---drift
5---backing-out punch seat 6---backing-out punch
7---nitrogen spring 8---trim die
9---die shoe 10---trimming punch
11---guide pin bushing 12---guide pillar.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is limited to this.
As shown in Figure 1, the edge-cutting and hole-punching calibrating combined mold being convenient to quick die change of the present embodiment, it comprises patrix, counterdie, described patrix comprises upper bolster 1, the connecting plate 2 of " U " font, punch holder 3, drift 4, upper bolster 1 is connected with clipping press, punch holder 4 is cylindrical, the downside of upper bolster 1 arranges a groove, described punch holder 3 is arranged in this groove, described punch holder 3 lower end is provided with screw-threaded counterbore upwards, described drift 4 is threaded with described punch holder 3 by this screw-threaded counterbore, when needing to change drift 4, can directly change on clipping press, described connecting plate 2 is connected to the downside of described upper bolster 1, the U-shaped sidewall of connecting plate 2 is connected with upper bolster 1, this U-shaped sidewall and upper bolster 1 form a cavity, backing-out punch seat 5 is provided with in this cavity, backing-out punch 6, nitrogen spring 7 is provided with in described backing-out punch seat 5 cavity, described nitrogen spring 7 is connected with described upper bolster 1 by bolt, described backing-out punch 6 is connected with described backing-out punch seat 5 by bolt upwards, described backing-out punch seat 5, backing-out punch 6 is socketed on outside described punch holder 3, the passage passed through for described backing-out punch 6 is provided with in the middle part of described connecting plate 2, described backing-out punch seat 5 both sides are provided with the boss exceeding this passage, backing-out punch seat 5 is overlapped in connecting plate 2 by this boss makes backing-out punch seat 5 can only move up and down between connecting plate 2 and upper bolster 1.Time punching press (edge-cutting and hole-punching correction), press ram is descending, and backing-out punch 6 contacts with forging, and nitrogen spring pressurized shrinks, backing-out punch 6 compresses forging, drift 4, trim die 8 move downward with press ram, thus realize edge-cutting and hole-punching correction, and press ram is up, nitrogen spring extends, make backing-out punch 6 continue to compress forging, drift 4, trim die 8 move upward with press ram, and forging is deviate from from part of the upper die.The downside of described connecting plate 2 is provided with trim die 8, described trim die 8 is connected with described connecting plate 2 by bolt upwards, described trim die 8 is socketed on outside described drift 4, described counterdie comprises die shoe 9, the trimming punch 10 corresponding with described trim die, and described trimming punch 10 is connected with described die shoe 9 by downward bolt.
The mould structure tool of the present embodiment has the following advantages: 1, drift 4, backing-out punch 6, trim die 8, trimming punch 10 are utilized and be fixedly connected with from workpiece to the bolt in die holder direction, is convenient to the part dismounting these being needed often to change, easy to use; 2, Lifting Device is divided into backing-out punch seat, backing-out punch two parts, and backing-out punch seat is arranged in the cavity of connecting plate, backing-out punch is arranged at outside the cavity of connecting plate, only need during replacing to change backing-out punch, do not need to change backing-out punch seat, the backing-out punch seat after simultaneously splitting can be used as general part, only needs again to drop into backing-out punch during production interchange, cost-saving, processing is simple; 3, the punching hole diameter restriction that the screw rod fixing drift 4 in hinge structure causes through drift through the multilayer parts such as connecting plate 2 or connecting screw rod, the present embodiment drift upper end carries screw rod, make only to need to lay down drift when changing, simple to operate, and drift is not by the restriction in forging aperture, drift upper end carries screw rod simultaneously, and spiro rod length is short, diameter is large, and drift intensity is good; 4, drift 4 or trim die 8 can be removed as required, thus make mould have single correction, punching correction or trimming calibration function, improve the purposes of mould;
Further, described connecting plate 2 side is provided with guide pin bushing 11, is provided with guide pillar 12 in described guide pin bushing 11, and the lower end of described guide pillar 12 is fixedly connected with described die shoe 9.
As a kind of embodiment, described drift 4 top is provided with the screw rod be connected with the screw-threaded counterbore of described punch holder 3.
Further, between described upper bolster 1 and connecting plate 2, between backing-out punch seat 5 and backing-out punch 6, between described die shoe 9 and trimming punch 10, be provided with alignment pin, thus location is more accurate.
Further, be provided with material returned hole in the middle part of described trimming punch 10 and die shoe 9, the waste material being convenient to punching drops from material returned hole.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.

Claims (5)

1. be convenient to the edge-cutting and hole-punching calibrating combined mold of quick die change, it is characterized in that: comprise patrix, counterdie, described patrix comprises upper bolster (1), the connecting plate (2) of " U " font, punch holder (3), drift (4), described punch holder (3) is arranged at the downside of described upper bolster (1), described punch holder (3) lower end is provided with screw-threaded counterbore upwards, described drift (4) is threaded with described punch holder (3) by this screw-threaded counterbore, described connecting plate (2) is connected to the downside of described upper bolster (1), backing-out punch seat (5) is provided with in " U " font cavity of described connecting plate (2), backing-out punch (6), nitrogen spring (7) is provided with in described backing-out punch seat (5) cavity, described nitrogen spring (7) is connected with described upper bolster (1) by bolt, described backing-out punch (6) is connected with described backing-out punch seat (5) by bolt upwards, described backing-out punch seat (5), backing-out punch (6) is socketed on described punch holder (3) outward, described connecting plate (2) middle part is provided with the passage passed through for described backing-out punch (6), described backing-out punch seat (5) both sides are provided with the boss exceeding this passage, the downside of described connecting plate (2) is provided with trim die (8), described trim die (8) is connected with described connecting plate (2) by bolt upwards, described trim die (8) is socketed on described drift (4) outward, described counterdie comprises die shoe (9), the trimming punch (10) corresponding with described trim die, described trimming punch (10) is connected with described die shoe (9) by downward bolt.
2. the edge-cutting and hole-punching calibrating combined mold being convenient to quick die change according to claim 1, it is characterized in that: described connecting plate (2) side is provided with guide pin bushing (11), be provided with guide pillar (12) in described guide pin bushing (11), the lower end of described guide pillar (12) is fixedly connected with described die shoe (9).
3. the edge-cutting and hole-punching calibrating combined mold being convenient to quick die change according to claim 1, is characterized in that: described drift (4) top is provided with the screw rod be connected with the screw-threaded counterbore of described punch holder (3).
4. the edge-cutting and hole-punching calibrating combined mold being convenient to quick die change according to claim 1, is characterized in that: be provided with alignment pin between described upper bolster (1) and connecting plate (2), between backing-out punch seat (5) and backing-out punch (6), between described die shoe (9) and trimming punch (10).
5. the edge-cutting and hole-punching calibrating combined mold being convenient to quick die change according to claim 1, is characterized in that: described trimming punch (10) and die shoe (9) middle part are provided with material returned hole.
CN201510302227.6A 2015-06-05 2015-06-05 It is easy to the edge-cutting and hole-punching calibrating combined mold of quick die change Active CN104874683B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105945126A (en) * 2016-06-28 2016-09-21 湖北神风汽车弹簧有限公司 Closed edge cutting device
CN107442724A (en) * 2017-08-22 2017-12-08 江西江锻重工有限公司 A kind of trimming, punching, the three-in-one forging apparatus of correction
CN108817231A (en) * 2018-08-15 2018-11-16 天津恒鸿鑫德机械有限公司 A kind of processing mold with quick disassembling function
CN108941417A (en) * 2018-10-10 2018-12-07 上海爱知锻造有限公司 A kind of forging cylinder reset trimming calibrating combined mold frame
CN110038956A (en) * 2019-05-21 2019-07-23 安徽恒兴镀锌有限公司 A kind of assembly method of detachable punch upper die group
CN110449515A (en) * 2019-08-05 2019-11-15 远大阀门集团有限公司 A kind of multi-functional shaving die
CN113182453A (en) * 2021-04-21 2021-07-30 陕西法士特汽车传动集团有限责任公司 Ejection structure and compound die
CN115635016A (en) * 2022-10-18 2023-01-24 青岛征和工业股份有限公司 Oil pressure forming compound die

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DE3150208A1 (en) * 1981-04-27 1983-01-27 VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt Hold-down and ejector device for forming and cutting tools
US5901598A (en) * 1996-05-30 1999-05-11 Afon Haar Maschinenbau Gmbh & Co. Method and apparatus for ejecting sheet metal parts from a press
CN201030405Y (en) * 2007-04-24 2008-03-05 万向集团公司 Trigeminal side cut punching shaping composite die
CN102873194A (en) * 2012-09-17 2013-01-16 宁波市奇精机械有限公司 Forming and burnishing die for clutch mounting plate of washing machine
CN203695772U (en) * 2014-01-23 2014-07-09 连云港宝石精密重工科技有限公司 Bulging die for forged aluminum alloy wheel
CN203992024U (en) * 2014-08-07 2014-12-10 无锡东海锻造有限公司 Punching trimming correcting combined die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3150208A1 (en) * 1981-04-27 1983-01-27 VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt Hold-down and ejector device for forming and cutting tools
US5901598A (en) * 1996-05-30 1999-05-11 Afon Haar Maschinenbau Gmbh & Co. Method and apparatus for ejecting sheet metal parts from a press
CN201030405Y (en) * 2007-04-24 2008-03-05 万向集团公司 Trigeminal side cut punching shaping composite die
CN102873194A (en) * 2012-09-17 2013-01-16 宁波市奇精机械有限公司 Forming and burnishing die for clutch mounting plate of washing machine
CN203695772U (en) * 2014-01-23 2014-07-09 连云港宝石精密重工科技有限公司 Bulging die for forged aluminum alloy wheel
CN203992024U (en) * 2014-08-07 2014-12-10 无锡东海锻造有限公司 Punching trimming correcting combined die

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105945126A (en) * 2016-06-28 2016-09-21 湖北神风汽车弹簧有限公司 Closed edge cutting device
CN105945126B (en) * 2016-06-28 2019-10-11 湖北神风汽车弹簧有限公司 Closed trimming device
CN107442724A (en) * 2017-08-22 2017-12-08 江西江锻重工有限公司 A kind of trimming, punching, the three-in-one forging apparatus of correction
CN108817231A (en) * 2018-08-15 2018-11-16 天津恒鸿鑫德机械有限公司 A kind of processing mold with quick disassembling function
CN108941417A (en) * 2018-10-10 2018-12-07 上海爱知锻造有限公司 A kind of forging cylinder reset trimming calibrating combined mold frame
CN110038956A (en) * 2019-05-21 2019-07-23 安徽恒兴镀锌有限公司 A kind of assembly method of detachable punch upper die group
CN110449515A (en) * 2019-08-05 2019-11-15 远大阀门集团有限公司 A kind of multi-functional shaving die
CN113182453A (en) * 2021-04-21 2021-07-30 陕西法士特汽车传动集团有限责任公司 Ejection structure and compound die
CN115635016A (en) * 2022-10-18 2023-01-24 青岛征和工业股份有限公司 Oil pressure forming compound die
CN115635016B (en) * 2022-10-18 2024-07-09 青岛征和工业股份有限公司 Oil pressure molding compound die

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