CN105642761A - Flanging die - Google Patents

Flanging die Download PDF

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Publication number
CN105642761A
CN105642761A CN201610206770.0A CN201610206770A CN105642761A CN 105642761 A CN105642761 A CN 105642761A CN 201610206770 A CN201610206770 A CN 201610206770A CN 105642761 A CN105642761 A CN 105642761A
Authority
CN
China
Prior art keywords
workpiece
die
flanging
edge
thruster block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610206770.0A
Other languages
Chinese (zh)
Inventor
韩勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Vision Precision Metal Co Ltd
Original Assignee
Guangdong Vision Precision Metal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Vision Precision Metal Co Ltd filed Critical Guangdong Vision Precision Metal Co Ltd
Priority to CN201610206770.0A priority Critical patent/CN105642761A/en
Publication of CN105642761A publication Critical patent/CN105642761A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • B21D19/08Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides

Abstract

The invention discloses a flanging die. The flanging die comprises an upper die plate, a lower die plate, a die body fixed on the lower die plate, lateral punches, lateral push blocks and forming punches, wherein a workpiece is arranged on the die body, and each lateral punch is fixed on the upper die plate and located above one end of the corresponding lateral push block, thereby moving downwards during die punching to push the corresponding lateral push block; the lateral push blocks are arranged on the side edges of the die body in a horizontal sliding manner, flanging parts are arranged at the other ends of the lateral push blocks and face the edges of the workpiece, and accordingly, the edges of the workpiece are subjected to flanging during die punching; the forming punches are fixed on the upper die plate and located above the edges of the workpiece, and the flanged edges of the workpiece are pressed during die punching. The flanging die has the advantages that steps are simplified, the control is simple and the production efficiency is effectively improved.

Description

Flanging die
Technical field
The present invention relates to a kind of punch die, particularly relate to a kind of flanging die that the edge of work is carried out flange.
Background technology
In the production of automobile component, some independent part needs edge is turned over folding sometimes, and some parts needs two parts to combine, such as, being fixedly connected with two parts makes it be combined into big parts, wrapping on the edge of another part with regard to needing the edge by a part to turn over folding, thus realize the installation combination of parts, this just needs some moulds to carry out supplement production.
But, when workpiece is carried out flange by present mould, it is necessary to be divided into two steps or multistep, such as, first utilize one set of die that the edge of workpiece is turned over folding certain angle, recycle another mold and this workpiece is turned over folding completely, the complete flange of workpiece could be realized. Not only step is many for such operation, and needs to use multiple mould, and pilot process control is loaded down with trivial details, and production rate is slow, can not meet existing need of production.
Summary of the invention
It is an object of the invention to provide a kind of flanging die simplifying step, control raising production efficiency simple, effective.
In order to realize above-mentioned purpose, flanging die provided by the invention, comprises top plate, lower template, the mold being fixed in described lower template, side drift, thruster block and forming punching head; Workpiece is placed on described mold, and described side drift is fixed on described top plate and is positioned at the top of one end of described thruster block, to move downward and push up and push away described thruster block when punch die; Described thruster block is arranged at the side of described mold horizontally slidingly, and the other end of described thruster block is provided with turn-up portion, described turn-up portion just to the edge of described workpiece, with when punch die to the edge flange of described workpiece; Described forming punching head is fixed on described top plate and is positioned at the top at the edge of described workpiece, with when punch die to the edge flanging of described workpiece flange.
Owing to the present invention arranges mold in described lower template, side at described mold arranges thruster block horizontally slidingly, and by arranging side drift and forming punching head on described top plate, described side drift is made to be positioned at the top of one end of described thruster block, described forming punching head is made to be positioned at the top at edge of described workpiece, when the die is closed, first described side drift can push up and push away described thruster block, so that the edge of workpiece is carried out flange by the turn-up portion of described thruster block, then described forming punching head is again to the edge flanging of described workpiece flange, thus the edge making workpiece realizes complete flange, whole punching course, only need to drive described top plate to move down and carry out once closing mould with described lower template, control is simple, and whole process completes two operations in mould process once closing, effectively simplify procedure of processing, improve working (machining) efficiency.
Goodly, the lower end level ground of described side drift extends the pushing part that top pushes away described thruster block to described thruster block side.
Specifically, the level height of described pushing part is lower than the level height of the lower end of described forming punching head.
Specifically, the downside of described pushing part is provided with the first guiding surface. Utilize described first guiding surface, it is possible to when described pushing part top pushes away described thruster block, make steadily to contact between described thruster block and described pushing part, be conducive to the impact reduced between the two, it is to increase the reliability that offside pushing block top pushes away simultaneously.
Specifically, the upside of described pushing part is provided with the 2nd guiding surface. Utilize described 2nd guiding surface, it is possible to make steadily to contact between described thruster block and described pushing part, be conducive to the impact reduced between the two.
Goodly, one end of described thruster block is articulated with roll body, so that when drift top, described side pushes away described thruster block, with described roll body Structure deformation. By arranging described roll body, it is possible to reduce the friction resistance between described side drift and described thruster block, effectively improve the reliability that offside pushing block top pushes away.
Goodly, described turn-up portion is provided with the inclined-plane upwards extended. By arranging described inclined-plane, when the edge contact of described turn-up portion and workpiece, it is possible to use this inclined-plane guides the edge of workpiece upwards to turn over, thus make flange more easily, accurately.
Goodly, the lower end of described forming punching head has flanging portion, and described flanging portion flattens the edge of described workpiece flange. Owing to the edge of workpiece is just carried out preliminary flange by described turn-up portion, therefore, by arranging described flanging portion, it is possible to make the edge of the workpiece of flange turn over folding further, thus reach the effect of complete flange.
Goodly, described flanging die also comprises briquetting, and described briquetting is upper and lower is arranged at described top plate slidably, and while drift top, described side pushes away described thruster block by described workpiece pressure holding on described mold. Workpiece can be carried out pressure holding by described briquetting in the process of flange and flanging, prevents workpiece to be shifted.
Goodly, described flanging die also comprises elastic element, and described elastic element provides the elastic force at the edge making described thruster block leave workpiece. Arranging described elastic element can make described thruster block automatically reset after flange completes, and avoids interfering with described forming punching head in the process of flanging.
Accompanying drawing explanation
Fig. 1 is structural representation during flanging die die sinking of the present invention.
Fig. 2 is view during flanging die flange of the present invention.
Fig. 3 is view during flanging die flanging of the present invention.
Fig. 4 is the enlarged view of part A in Fig. 2.
Fig. 5 is the enlarged view of part B in Fig. 3.
Embodiment
For the effect technology contents of the present invention, structural attitude being described in detail, realize, below in conjunction with enforcement mode and coordinate accompanying drawing to be explained in detail.
As shown in Figure 1, Figure 2 and Figure 3, flanging die 100 of the present invention comprises top plate 1, lower template 2, mold 3, offside drift 4, the offside pushing block 5 being fixed in described lower template 2 and to forming punching head 6; Workpiece is placed on described mold 3, and side drift 4 described in two is individually fixed on described top plate 1 and is positioned at the top of one end of thruster block 5 described in two, to move downward and push up and push away described thruster block 5 when punch die; Thruster block 5 described in two is arranged at the dual-side of described mold 3 horizontally slidingly, and the other end of thruster block 5 described in two is provided with turn-up portion 51, described turn-up portion 51 respectively just to the two edges of described workpiece, with when punch die to the edge flange of described workpiece;Forming punching head 6 described in two is fixed on described top plate 1 and is positioned at the top of the two edges of described workpiece, with when punch die to the edge flanging of described workpiece flange.
The lower end level ground of described side drift 4 extends the pushing part 41 that top pushes away described thruster block 5 to described thruster block 5 side. The level height of described pushing part 41 is lower than the level height of the lower end of described forming punching head 6, so that when described top plate 1 promotes described side drift 4 and described forming punching head 6 descending, described pushing part 41 first promotes described thruster block 5 to carry out flange, after flange completes and then make described forming punching head 6 that workpiece is carried out flanging, it is achieved that two operations complete continuously once closing in mould.
Referring to Fig. 2 and Fig. 4, the downside of described pushing part 41 is provided with the first guiding surface 41a. The upside of described pushing part 41 is provided with the 2nd guiding surface 41b. Utilize described first guiding surface 41a and described 2nd guiding surface 41b, it is possible to steadily contact between described pushing part 41 with described thruster block 5, be conducive to the impact reduced between the two simultaneously, it is to increase offside pushing block 5 pushes up the reliability pushed away. One end of described thruster block 5 is articulated with roll body 52, so that when drift 4 top in described side pushes away described thruster block 5, with described roll body 52 Structure deformation. By arranging described roll body 52, it is possible to reduce the friction resistance between described side drift 4 and described thruster block 5, effectively improve offside pushing block 5 and push up the reliability pushed away.
Referring to Fig. 3 and Fig. 5, described turn-up portion 51 is provided with the inclined-plane 51a upwards extended, and described inclined-plane 51a is horizontal by 45 degree of angles. By arranging described inclined-plane 51a, when the edge contact of described turn-up portion 51 and workpiece, it is possible to use this inclined-plane 51a guides the edge of workpiece upwards to turn over, thus makes flange more easily, accurately. The lower end of described forming punching head 6 has flanging portion 61, and described flanging portion 61 flattens the edge of described workpiece flange; Specifically, described flanging portion 61 is the groove body 61a offered at the lower end of described forming punching head 6, described groove body 61a is the rectangular shape of cross section, so that the upper wall surface in described groove body 61a compresses the edge of work and flanging, and the sidewall face in described groove body 61a coordinates with the side of mould, prevent the edge of workpiece from deforming in flanging process; Owing to the edge of workpiece is just carried out preliminary flange by described turn-up portion 51, therefore, by arranging described flanging portion 61, it is possible to make the edge of the workpiece of flange turn over folding further, thus reach the effect of complete flange.
Refer to Fig. 1 again, described flanging die 100 also comprises briquetting 7, described briquetting 7 is upper and lower is arranged at described top plate 1 slidably, and while drift 4 top in described side pushes away described thruster block 5 by described workpiece pressure holding on described mold 3, namely described briquetting 7 is positioned at level height that lower-most point is not higher than the level height of pushing part 41 of described side drift 4. Workpiece can be carried out pressure holding by described briquetting 7 in the process of flange and flanging, prevents workpiece to be shifted. Described flanging die 100 also comprises elastic element 8, described elastic element 8 be socketed on the tail rod 53 extended by described thruster block 5, one end of described elastic element 8 contacts at the end of described tail rod 53, the other end contacts on the projection 21 that described lower template 2 upwards stretches out, and described elastic element 8 provides the elastic force at the edge making described thruster block 5 leave workpiece. Arranging described elastic element 8 can make described thruster block 5 automatically reset after flange completes, and avoids interfering with described forming punching head 6 in the process of flanging.
Summary composition graphs 1-Fig. 3, be described in detail the working process of flanging die 100 of the present invention below, as follows:
When closing mould, described top plate 1 drives described side drift 4 and described forming punching head 6 to move down, owing to the level height of described briquetting 7 and the pushing part 41 of described side drift 4 is lower than the level height of described forming punching head 6, therefore, the surface that first described briquetting 7 arrives described workpiece also works described in pressure holding, simultaneously, described pushing part 41 is conflicted with the roll body 52 on described thruster block 5, and under described first guiding surface 41a and described roll body 52 Structure deformation, described thruster block 5 slides close to described workpiece direction, thus utilize described turn-up portion 51 that described workpiece is carried out flange, the edge of described workpiece is folded into and becomes 45 degree of angles with workpiece planarization. then, along with the continuation of described side drift 4 declines, under the guiding of described 2nd guiding surface 41b and under the restoring force effect of described elastic element 8, the upper end Structure deformation of described roll body 52 and described side drift 4, at this moment, described thruster block 5 is away from described workpiece. when described top plate 1 continues decline, at this moment, the flanging portion 61 of described forming punching head 6 compresses the edge of described workpiece flange, thus carries out flanging to from workpiece, and the edge turning over folding is folded flat completely. finally, described top plate 1 rises, drive and described briquetting 7, side drift 4 and forming punching head 6 move, described forming punching head 6 is first from the edge of described workpiece, then the pushing part 41 of described side drift 4 is again from described roll body 52, last described briquetting 7 leaves the surface of described workpiece, and then completes die sinking, now can take out the workpiece of complete flange.
Owing to the present invention arranges mold 3 in described lower template 2, side at described mold 3 arranges thruster block 5 horizontally slidingly, and by arranging side drift 4 and forming punching head 6 on described top plate 1, described side drift 4 is made to be positioned at the top of one end of described thruster block 5, described forming punching head 6 is made to be positioned at the top at edge of described workpiece, when the die is closed, first described side drift 4 can push up and push away described thruster block 5, so that the edge of workpiece is carried out flange by the turn-up portion 51 of described thruster block 5, then described forming punching head 6 is again to the edge flanging of described workpiece flange, thus the edge making workpiece realizes complete flange, whole punching course, only need to drive described top plate 1 to move down and carry out once closing mould with described lower template 2, control is simple, and whole process completes two operations in mould process once closing, effectively simplify procedure of processing, improve working (machining) efficiency.
The above disclosed preferred embodiments being only the present invention, can not limit the interest field of the present invention certainly with this, and the equivalent variations therefore done according to the present patent application patent scope, still belongs to the scope that the present invention is contained.

Claims (10)

1. a flanging die, the mold comprising top plate, lower template and being fixed in described lower template, workpiece is placed on described mold, it is characterised in that: described flanging die also comprises side drift, thruster block and forming punching head; Described side drift is fixed on described top plate and is positioned at the top of one end of described thruster block, to move downward and push up and push away described thruster block when punch die; Described thruster block is arranged at the side of described mold horizontally slidingly, and the other end of described thruster block is provided with turn-up portion, described turn-up portion just to the edge of described workpiece, with when punch die to the edge flange of described workpiece;Described forming punching head is fixed on described top plate and is positioned at the top at the edge of described workpiece, with when punch die to the edge flanging of described workpiece flange.
2. flanging die as claimed in claim 1, it is characterised in that: the lower end level ground of described side drift extends the pushing part that top pushes away described thruster block to described thruster block side.
3. flanging die as claimed in claim 2, it is characterised in that: the level height of described pushing part is lower than the level height of the lower end of described forming punching head.
4. flanging die as claimed in claim 2, it is characterised in that: the downside of described pushing part is provided with the first guiding surface.
5. flanging die as claimed in claim 2, it is characterised in that: the upside of described pushing part is provided with the 2nd guiding surface.
6. flanging die as claimed in claim 1, it is characterised in that: one end of described thruster block is articulated with roll body, so that when drift top, described side pushes away described thruster block, with described roll body Structure deformation.
7. flanging die as claimed in claim 1, it is characterised in that: described turn-up portion is provided with the inclined-plane upwards extended.
8. flanging die as claimed in claim 1, it is characterised in that: the lower end of described forming punching head has flanging portion, and described flanging portion flattens the edge of described workpiece flange.
9. flanging die as claimed in claim 1, it is characterized in that: described flanging die also comprises briquetting, described briquetting is upper and lower is arranged at described top plate slidably, and while drift top, described side pushes away described thruster block by described workpiece pressure holding on described mold.
10. flanging die as claimed in claim 1, it is characterised in that: described flanging die also comprises elastic element, and described elastic element provides the elastic force at the edge making described thruster block leave workpiece.
CN201610206770.0A 2016-04-01 2016-04-01 Flanging die Pending CN105642761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610206770.0A CN105642761A (en) 2016-04-01 2016-04-01 Flanging die

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Application Number Priority Date Filing Date Title
CN201610206770.0A CN105642761A (en) 2016-04-01 2016-04-01 Flanging die

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175275A (en) * 2016-03-11 2017-09-19 上海强精金属制品有限公司 A kind of upper pressure type pressuring flat device
CN107716708A (en) * 2017-11-14 2018-02-23 西安交通大学 A kind of plate type heat exchanger grommet enlarging flattens combined forming process and device

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07290158A (en) * 1994-04-27 1995-11-07 Toyota Motor Corp Roller hemming device
JPH08318325A (en) * 1995-05-29 1996-12-03 Kanto Auto Works Ltd Curling device for piercing
JP2530412Y2 (en) * 1990-07-17 1997-03-26 株式会社アマダメトレックス Mold equipment used for flange bending method
JP2924569B2 (en) * 1993-06-03 1999-07-26 日産自動車株式会社 Hemming device
JP2004181498A (en) * 2002-12-04 2004-07-02 Honda Motor Co Ltd Hemming die apparatus
CN101066551A (en) * 2007-03-26 2007-11-07 宁波信泰机械有限公司 Car door frame edge binding process and mold
KR20080089707A (en) * 2007-04-02 2008-10-08 현대자동차주식회사 Device for double pre-hemming of panel
US20090139294A1 (en) * 2007-12-03 2009-06-04 Hirotec Corporation Hemming apparatus
KR20110130199A (en) * 2010-05-27 2011-12-05 고등기술연구원연구조합 Roller hemming device for a closed interval
JP2014188568A (en) * 2013-03-28 2014-10-06 Daihatsu Motor Co Ltd Hemming processing device and hemming processing method
CN105234232A (en) * 2015-11-18 2016-01-13 安徽同步自动化科技有限公司 Special mould for edge wrapping of automobile trunk door
CN205571160U (en) * 2016-04-01 2016-09-14 广东远见精密五金股份有限公司 Die for turning -up edge

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2530412Y2 (en) * 1990-07-17 1997-03-26 株式会社アマダメトレックス Mold equipment used for flange bending method
JP2924569B2 (en) * 1993-06-03 1999-07-26 日産自動車株式会社 Hemming device
JPH07290158A (en) * 1994-04-27 1995-11-07 Toyota Motor Corp Roller hemming device
JPH08318325A (en) * 1995-05-29 1996-12-03 Kanto Auto Works Ltd Curling device for piercing
JP2004181498A (en) * 2002-12-04 2004-07-02 Honda Motor Co Ltd Hemming die apparatus
CN101066551A (en) * 2007-03-26 2007-11-07 宁波信泰机械有限公司 Car door frame edge binding process and mold
KR20080089707A (en) * 2007-04-02 2008-10-08 현대자동차주식회사 Device for double pre-hemming of panel
US20090139294A1 (en) * 2007-12-03 2009-06-04 Hirotec Corporation Hemming apparatus
KR20110130199A (en) * 2010-05-27 2011-12-05 고등기술연구원연구조합 Roller hemming device for a closed interval
JP2014188568A (en) * 2013-03-28 2014-10-06 Daihatsu Motor Co Ltd Hemming processing device and hemming processing method
CN105234232A (en) * 2015-11-18 2016-01-13 安徽同步自动化科技有限公司 Special mould for edge wrapping of automobile trunk door
CN205571160U (en) * 2016-04-01 2016-09-14 广东远见精密五金股份有限公司 Die for turning -up edge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107175275A (en) * 2016-03-11 2017-09-19 上海强精金属制品有限公司 A kind of upper pressure type pressuring flat device
CN107716708A (en) * 2017-11-14 2018-02-23 西安交通大学 A kind of plate type heat exchanger grommet enlarging flattens combined forming process and device
CN107716708B (en) * 2017-11-14 2019-01-08 西安交通大学 A kind of flaring of plate heat exchanger grommet flattens combined forming process and device

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