CN103785751A - Edge covering mold structure with rotating press fit wedge - Google Patents

Edge covering mold structure with rotating press fit wedge Download PDF

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Publication number
CN103785751A
CN103785751A CN201410051118.7A CN201410051118A CN103785751A CN 103785751 A CN103785751 A CN 103785751A CN 201410051118 A CN201410051118 A CN 201410051118A CN 103785751 A CN103785751 A CN 103785751A
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CN
China
Prior art keywords
pressing
wedge
bending
rotation
plate
Prior art date
Application number
CN201410051118.7A
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Chinese (zh)
Inventor
黄祥坤
Original Assignee
奇瑞汽车股份有限公司
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.)
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Publication date
Application filed by 奇瑞汽车股份有限公司 filed Critical 奇瑞汽车股份有限公司
Priority to CN201410051118.7A priority Critical patent/CN103785751A/en
Publication of CN103785751A publication Critical patent/CN103785751A/en

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Abstract

The invention relates to an edge covering mold structure with a rotating press fit wedge. The edge covering mold structure comprises an upper mold body (1) and a lower mold body (4), a lower mold insert (3), a pre-bending wedge (5) and a press fit driving block (6) are arranged on the lower mold body (4), a pre-bending drive block (8) and the rotating press fit wedge (9) are arranged on the upper mold body (1), a pre-bending insert (2) is fixedly arranged on the pre-bending wedge (5), a press fit insert (10) is arranged on the rotating press fit wedge (9), a plate is arranged on the lower mold insert (3) and is composed of an inner plate (25) and an outer plate (24), and the edge covering mold structure is characterized in that the moving direction of the press fit insert (10) is changed through the rotating press fit wedge (9), the press fit insert (10) conducts press fit edge coverage in the normal direction of the press fit edge coverage face, and the phenomenon that in the press fit process of an existing press fit edge coverage mold structure, component force parallel to the press fit edge coverage face is generated, an appearance ridge and the outer surface of a press fit edge coverage association part are stretched, and the plate is deformed is avoided.

Description

A kind of wrapping mold structure with rotation pressing wedge

Technical field

The present invention relates to the cold punching technology field of automobile panel, relate to a kind of wrapping mold structure with rotation pressing wedge.Specifically, especially for hood assembly pressing bound edge and luggage-boot lid assembly pressing bound edge operation, precipitous with the outer surface profile at the associated position of pressing, while guaranteeing pressing bound edge by the wrapping mold structure of rotation pressing wedge, product outward appearance crest line position associated with pressing bound edge outer surface does not produce stretcher strain.

Background technology

Automobile body covering piece diel is to require the mould the highest, difficulty of processing is maximum during body of a motor car is manufactured.The quality of vehicle exterior cladding element directly affects the exterior quality of car load.Take certain vehicle back door as example, as depicted in figs. 1 and 2, the profile of this vehicle back door inner panel, outside plate and top cover overlapping part is precipitous, existing pressing wrapping mold structure generally adopts pressing to insert along pressing direction vertical press-fit bound edge, when this structure pressing bound edge, be prone to product outward appearance crest line and have some setbacks, there is the defect such as warpage, depression in position associated with pressing bound edge outer surface, has a strong impact on vehicle body presentation quality.

The pressing process of existing pressing wrapping mold structure as shown in Figure 3, pressing process plate to existing mold structure carries out force analysis, when plate after 21 contact pre-bending moulding is inserted in pressing, resolve into along the pressing and forming power F1 of pressing bound edge face 20 normal direction and the power F2 of parallel pressing bound edge face 20 directions along the power F of punching press vertical direction, F2 makes the outward appearance crest line 22 of pressing edging moulding and the associated position of pressing bound edge outer surface 23 Tensiles cause plate distortion.Along with people to car appearance requirement improve constantly, make quality and vehicle body coupling to stamping parts require more and more higher, adopt existing pressing wrapping mold structure cannot meet the quality requirement of the moulding of the type product, especially can not meet the outer surface quality requirement of product.

Summary of the invention

The present invention has designed a kind of wrapping mold structure with rotation pressing wedge, the technical problem of its solution is the component that existing pressing wrapping mold structure produces parallel pressing bound edge face direction in pressing process, makes the outer surface Tensile at the associated position of outward appearance crest line and pressing bound edge cause plate distortion.

In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:

With a wrapping mold structure for rotation pressing wedge, comprise mould body (1) and lower mould body (4), counterdie is inserted (3), pre-bending wedge (5) and pressing drive block (6) are arranged on lower mould body (4), pre-bending drive block (8) and rotation pressing wedge (9) are arranged on mould body (1), pre-bending insert (2) be fixedly mounted on pre-bending wedge (5), pressing insert (10) be arranged in rotation pressing wedge (9), plate is arranged on counterdie and inserts on (3), plate is made up of inner panel (25) and outside plate (24), it is characterized in that: change the insert direction of motion of (10) of pressing by rotation pressing wedge (9), make pressing insert (10) carry out pressing bound edge along the normal direction of pressing bound edge face, avoid existing pressing wrapping mold structure in pressing process, to produce the component of parallel pressing bound edge face direction, make the associated position of outward appearance crest line and pressing bound edge outer surface Tensile cause plate distortion.

Further, pre-bending drive block (8) drives pre-bending wedge (5), pre-bending wedge (5) with pre-bending insert (2) rotatablely move to being positioned at the plate that counterdie inserts on (3) around pre-bending rotating shaft (7), and outside plate (24) is implemented to pre-bending moulding.

Further, rotation pressing wedge (9) is under the driving of pressing drive block (6), around pressing rotating shaft (12), to the motion of plate direction rotation, rotation pressing wedge (9) is inserted (10) along pressing bound edge face (20) the normal direction enforcement pressing bound edge on outside plate (24) with pressing fixed thereon.

Further, after pre-bending moulding completes, pre-bending drive block (8) moves downward the drive surface below to pre-bending wedge (5), avoids interfering the drive surface of pre-bending wedge (5).

Further, after pre-bending moulding completes, pre-bending wedge (5) around pre-bending rotating shaft (7) dorsad plate rotatablely move, rollback, to the position of non-machining state, avoids pre-bending process and pressing process to interfere.

Further, after rotation pressing wedge (9) also makes its work by a resetting means, rollback is to non-machining state position.

Further, described resetting means is retracting spring (11), described retracting spring (11) one end is to be arranged on rotation pressing wedge (9) above by quadric chain, and described retracting spring (11) other end is arranged on the mounting base of pressing rotating shaft (12).

Should, with the wrapping mold structure of rotation pressing wedge compared with existing pressing wrapping mold structure, there is following beneficial effect:

In the present invention, rotate pressing wedge under pressing drive block drives, rotation pressing wedge is inserted and is positioned at the plate of counterdie on inserting around pressing axial rotary and rotatablely moves with pressing, guaranteeing that pressing is inserted carries out pressing bound edge along the normal direction of pressing bound edge face, avoid producing in pressing process the component of parallel bound edge face direction, the outer surface at the associated position of stretching outward appearance crest line and pressing bound edge causes plate distortion, thereby improves the pressing quality of product.

Accompanying drawing explanation

Fig. 1: existing certain vehicle back door structural representation;

Fig. 2: existing certain vehicle back door and top cover lap-joint bound edge schematic cross-section;

Fig. 3: the stressed decomposing schematic representation of prior art pressing process plate shaping;

Fig. 4: rotate the schematic diagram of pressing bound edge under rough in the present invention;

Fig. 5: rotate the schematic diagram of pressing bound edge under pre-bending completion status in the present invention;

Fig. 6: rotate the schematic diagram of pressing bound edge under pressing completion status in the present invention;

Fig. 7: the present invention is with the wrapping mold structure rollback view of rotation pressing wedge;

Fig. 8: rotate the each parts exploded perspective view of pressing wedge in the present invention;

Fig. 9: the present invention completes stage schematic diagram with the wrapping mold structure pre-bending of rotation pressing wedge;

Figure 10: the present invention completes stage schematic diagram with the wrapping mold structure pressing bound edge of rotation pressing wedge.

Description of reference numerals:

1-upper mould body; 2-pre-bending is inserted; 3-counterdie is inserted; 4-lower mould body; 5-pre-bending wedge; 6-pressing drive block; 7-pre-bending rotating shaft; 8-pre-bending drive block; 9-rotation pressing wedge; 10-pressing is inserted; 11-retracting spring; 12-pressing rotating shaft.

20-pressing bound edge face; 21-pressing is inserted; 22-outward appearance crest line; The associated position of 23-pressing outer surface; 24-outside plate; 25-inner panel; 26-bound edge state; 27-pre-bending state; Before 28-pre-bending; After 29-pre-bending.

The specific embodiment

Below in conjunction with Fig. 4 to Figure 10, the present invention will be further described:

As shown in Figure 4, be first state of rotation pressing wedge enforcement pressing bound edge, i.e. rough.The straight flange of inner panel 25 is fitted in first-class the treating of a straight flange of outside plate 24 and is bent in advance.

As shown in Figure 5, be second state of rotation pressing wedge enforcement pressing bound edge, i.e. pre-bending completion status.Insert another straight flange of 2 pairs of outside plates 24 of pre-bending carries out pre-bending.The angle that two straight flanges of outside plate 24 form from large to small.

As shown in Figure 6, be the 3rd state of rotation pressing wedge enforcement pressing bound edge, i.e. pressing completion status.Insert another straight flange of 10 pairs of outside plates 24 of pressing carries out pressing.

As shown in Figure 7 and Figure 8, the present invention, with the wrapping mold structure rollback view of rotation pressing wedge, now rotates pressing wedge 9 and pre-bending wedge 5 all in off working state.

It specifically comprises mould body 1 and lower mould body 4, and counterdie inserts 3, pre-bending wedge 5 and pressing drive block 6 are arranged on lower mould body 4; Pre-bending drive block 8 and rotation pressing wedge 9 are arranged on mould body 1, pre-bending is inserted and 2 is fixedly mounted on pre-bending wedge 5, pressing is inserted and 10 is arranged on rotation pressing wedge 9, plate is arranged on counterdie and inserts on 3, plate is made up of inner panel 25 and outside plate 24, and after rotation pressing wedge 9 also makes its work by a resetting means, rollback is to non-machining state position.Resetting means is retracting spring 11, and described retracting spring 11 one end are to be arranged on rotation pressing wedge 9 by quadric chain, and retracting spring 11 other ends are arranged on the mounting base of pressing rotating shaft 12.

In the time that upper mould body 1 moves downward work, start working and sequentially illustrate as follows according to the each workpiece the present invention relates to below:

First stage: as shown in Figure 9, be pre-bending forming process of the present invention.In this process, pre-bending drive block 8 drives pre-bending wedge 5, pre-bending wedge 5 is inserted and 2 is rotatablely moved to being positioned at the plate that counterdie inserts on 3 around pre-bending rotating shaft 7 with pre-bending, and outside plate is implemented to pre-bending moulding, generally from 105 ° of pre-bending to 45 ° left and right by the angle of outside plate bound edge face, after this pre-bending wedge 5 no longer moves at wedge operative orientation, in resident packing stage, makes to be pre-bent to profile pre-bending moulding and reaches moulding distortion.

Second stage: as shown in figure 10, be rotation pressing wedge rotation pressing bound edge process of the present invention. in this process, first pre-bending drive block 8 moves downward to the drive surface of pre-bending wedge 5, keeps away the drive surface that face is interfered pre-bending wedge 5.Pre-bending wedge 5 around pre-bending rotating shaft 7 dorsad plate rotatablely move, rollback, to the position of non-machining state, avoids pre-bending process and pressing process to interfere.Then rotate pressing wedge 9 under the driving of pressing drive block 6, move to plate direction rotation around pressing rotating shaft 12, rotation pressing wedge 9 inserts 10 along bound edge face normal direction enforcement pressing bound edge with pressing fixed thereon, until mould moves to bottom dead centre, pressing bound edge completes.Now outside plate 24 encases inner panel 25 completely, and the work of pressing bound edge all completes, and plate completes the action of pressing bound edge.This rear mold is opened, and after taking-up product, enters next operation cycle.

Product is placed on counterdie and inserts on 3, when bound edge position profile and horizontal direction angle θ larger, the profile that is pressing bound edge position is more precipitous, product outer surface at plate outward appearance crest line and the associated position of pressing bound edge in the time of pressing edging moulding more easily produces distortion, change by rotation pressing the direction that pressing is inserted to plate pressing, pressing is inserted and carry out pressing bound edge along the normal direction of pressing bound edge face, avoid existing pressing wrapping mold structure in pressing process, to produce the component of parallel bound edge face direction, make the outer surface Tensile at the associated position of outward appearance crest line and pressing cause plate distortion, improve the quality of product.

By reference to the accompanying drawings the present invention is carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.

Claims (7)

1. with a wrapping mold structure for rotation pressing wedge, comprise mould body (1) and lower mould body (4), counterdie is inserted (3), pre-bending wedge (5) and pressing drive block (6) are arranged on lower mould body (4), pre-bending drive block (8) and rotation pressing wedge (9) are arranged on mould body (1), pre-bending insert (2) be fixedly mounted on pre-bending wedge (5), pressing insert (10) be arranged in rotation pressing wedge (9), plate is arranged on counterdie and inserts on (3), plate is made up of inner panel (25) and outside plate (24), it is characterized in that: change the insert direction of motion of (10) of pressing by rotation pressing wedge (9), make pressing insert (10) carry out pressing bound edge along the normal direction of pressing bound edge face, avoid existing pressing wrapping mold structure in pressing process, to produce the component of parallel pressing bound edge face direction, make the associated position of outward appearance crest line and pressing bound edge outer surface Tensile cause plate distortion.
2. according to claim 1 with the wrapping mold structure of rotating pressing wedge, it is characterized in that: pre-bending drive block (8) drives pre-bending wedge (5), pre-bending wedge (5) with pre-bending insert (2) rotatablely move to being positioned at the plate that counterdie inserts on (3) around pre-bending rotating shaft (7), and outside plate (24) is implemented to pre-bending moulding.
3. according to claim 1 with the wrapping mold structure of rotating pressing wedge, it is characterized in that: rotation pressing wedge (9) is under the driving of pressing drive block (6), around pressing rotating shaft (12), to the motion of plate direction rotation, rotation pressing wedge (9) is inserted (10) along pressing bound edge face (20) the normal direction enforcement pressing bound edge on outside plate (24) with pressing fixed thereon.
4. according to the wrapping mold structure with rotation pressing wedge described in claim 2 or 3, it is characterized in that: after pre-bending moulding completes, pre-bending drive block (8) moves downward the drive surface below to pre-bending wedge (5), avoids interfering the drive surface of pre-bending wedge (5).
5. according to the wrapping mold structure with rotation pressing wedge described in claim 2 or 3, it is characterized in that: after pre-bending moulding completes, pre-bending wedge (5) around pre-bending rotating shaft (7) dorsad plate rotatablely move, rollback, to the position of non-machining state, avoids pre-bending process and pressing process to interfere.
According in claim 1-5 described in any one with the wrapping mold structure of rotation pressing wedge, it is characterized in that: after rotation pressing wedge (9) also makes its work by a resetting means, rollback is to non-machining state position.
7. according to claim 6 with the wrapping mold structure of rotating pressing wedge, it is characterized in that: described resetting means is retracting spring (11), described retracting spring (11) one end is to be arranged on rotation pressing wedge (9) above by quadric chain, and described retracting spring (11) other end is arranged on the mounting base of pressing rotating shaft (12).
CN201410051118.7A 2014-02-14 2014-02-14 Edge covering mold structure with rotating press fit wedge CN103785751A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978082A (en) * 2014-05-28 2014-08-13 南通超达机械科技有限公司 Edge covering mechanism for automobile spare wheel cover plate
CN104399795A (en) * 2014-11-28 2015-03-11 奇瑞汽车股份有限公司 Large-angle three-step action edge covering special machine structure for automobile covering parts
CN106623647A (en) * 2016-11-30 2017-05-10 安徽瑞祥工业有限公司 Automobile wheelcover covered edge forming device
CN108971360A (en) * 2018-07-23 2018-12-11 泊头市兴达汽车模具制造有限公司 The bending method of door closure class conjunction side mode
CN109604446A (en) * 2018-12-12 2019-04-12 安徽江淮汽车集团股份有限公司 A kind of wrapping mold of pre-bending and pressing synchronization job formula

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177772A (en) * 2003-12-17 2005-07-07 Kanto Auto Works Ltd Hemming apparatus
KR100520534B1 (en) * 2003-12-30 2005-10-11 현대자동차주식회사 Press system for hemming
CN201205571Y (en) * 2007-07-22 2009-03-11 东风汽车有限公司设备制造厂 Bar linkage for wrapping mold movement
JP2010005663A (en) * 2008-06-26 2010-01-14 Hirotec Corp Hemming metal mold
CN102441614A (en) * 2011-12-21 2012-05-09 奇瑞汽车股份有限公司 Automobile door cover wrapping die

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177772A (en) * 2003-12-17 2005-07-07 Kanto Auto Works Ltd Hemming apparatus
KR100520534B1 (en) * 2003-12-30 2005-10-11 현대자동차주식회사 Press system for hemming
CN201205571Y (en) * 2007-07-22 2009-03-11 东风汽车有限公司设备制造厂 Bar linkage for wrapping mold movement
JP2010005663A (en) * 2008-06-26 2010-01-14 Hirotec Corp Hemming metal mold
CN102441614A (en) * 2011-12-21 2012-05-09 奇瑞汽车股份有限公司 Automobile door cover wrapping die

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978082A (en) * 2014-05-28 2014-08-13 南通超达机械科技有限公司 Edge covering mechanism for automobile spare wheel cover plate
CN103978082B (en) * 2014-05-28 2016-02-24 南通超达机械科技有限公司 Cover plate of spare tire of automobile edge covering mechanism
CN104399795A (en) * 2014-11-28 2015-03-11 奇瑞汽车股份有限公司 Large-angle three-step action edge covering special machine structure for automobile covering parts
CN106623647A (en) * 2016-11-30 2017-05-10 安徽瑞祥工业有限公司 Automobile wheelcover covered edge forming device
CN108971360A (en) * 2018-07-23 2018-12-11 泊头市兴达汽车模具制造有限公司 The bending method of door closure class conjunction side mode
CN109604446A (en) * 2018-12-12 2019-04-12 安徽江淮汽车集团股份有限公司 A kind of wrapping mold of pre-bending and pressing synchronization job formula

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Application publication date: 20140514

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