CN202213622U

CN202213622U - Part with flanging

Info

Publication number: CN202213622U
Application number: CN2011202892043U
Authority: CN
Inventors: 张香东
Original assignee: Beijing BYD Mould Co Ltd
Current assignee: Beijing BYD Mould Co Ltd
Priority date: 2011-08-10
Filing date: 2011-08-10
Publication date: 2012-05-09
Anticipated expiration: 2021-08-10

Abstract

The utility model discloses a part with a flanging. The part comprises a main plane, a first drawing surface which is connected with the main plane in a bending way, and the flanging which is connected with the same side edge of the main plane and the first drawing surface; the flanging comprises a first flanging and a second flanging which are arranged on the edges of the main plane and the first drawing surface respectively, and an arc part which is connected with the first flanging and the second flanging; and the intensity of the part with the flanging can be improved obviously after being subjected to corner flanging forming.

Description

A kind of part with flange

Technical field

The utility model relates to part and makes the field, relates in particular to a kind of part with flange.

Background technology

Existing market to Automobile manufacturing require increasingly high; So the moulding of automotive parts becomes increasingly complex, the moulding difficulty is increasing, wherein; Important means are exactly to improve the intensity of part; This realizes through two kinds of means again usually: the one, and the material that the employing high-strength materials perhaps strengthens sheet material is thick, and shortcoming is exactly that the moulding difficulty is big, and dimensional accuracy control difficulty is big; So improve one's methods preferably be not more conversion materials do not start with from the styling design of part under the thick situation with aniseed yet, improve the intensity of part through failure-free parts modeling more.

Usually adopt following design at the part that has flange at present: automobile beam-like part as shown in Figure 1; Said part comprises that principal plane 1 is connected first on the principal plane 1 with bending and draws face 2; Draw at principal plane 1 and first on the edge, the same side of face 2 and be respectively arranged with first flange 31 and second flange 32, said two turnup structures are independent the setting, have bigger gap; The flange moulding of part although it is so is comparatively simple; But, can after the parts flanged-edge moulding, be unfavorable for improving the intensity of part because turnup structure is independent the setting.

Summary of the invention

The utility model technical matters to be solved is the relatively poor defective of intensity that exists to behind the parts flanged-edge in the prior art, the part with flange that provides a kind of intensity obviously to improve.

The above-mentioned technical matters of the utility model is achieved through following technical scheme: a kind of part with flange; Comprise that principal plane, bending are connected first on the principal plane and draw face and be connected to principal plane and first flange that draw on the edge, face the same side; Be separately positioned on first flange and second flange that principal plane edge and first draws the face edge said comprising, and the arc sections that is used to connect first flange and second flange.

Further, said first flange, second flange and arc sections are through one-body molded.。

Further, said arc sections has the exterior rim of circular arc.

The tangent line of the exterior rim that forms near the end points of first flange on the said exterior rim further, overlaps with the extended line at the first flange edge; The tangent line of the exterior rim that forms near the end points of second flange on the said exterior rim overlaps with the extended line at the second flange edge.

Further,, said principal plane with draw face and be connected through first hollows, said arc sections is connected the edge of first hollows through second hollows.

Further, said first flange draws face with the vertical respectively principal plane of second flange and first, and first flange is connected with principal plane through the 3rd hollows, and second flange draws face through the 4th hollows and first and is connected.

Further, the radius of rounding of said second hollows, the 3rd hollows and the 4th hollows equates respectively.

A kind of part that provides according to the utility model with flange; The flange of said part comprises first flange and second flange; And the arc sections that is used to connect first flange and second flange, owing to increased the arc sections structure, make the part after the flange moulding form an integral body in the corner of part; The intensity of flange obviously improves, and then the intensity of part is significantly strengthened.

Description of drawings

Fig. 1 is the structural representation that has the part of flange in the prior art.

Fig. 2 is the structural representation of the part with flange that provides of the utility model.

Fig. 3 is the forming process scheme drawing of the part with flange that provides of the utility model.

The specific embodiment

For technical matters, technical scheme and beneficial effect that the utility model is solved clearer; Below in conjunction with accompanying drawing and embodiment; The utility model is further elaborated; Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

As shown in Figure 2; A kind of part with flange; Comprise that principal plane 1, bending are connected first on the principal plane 1 and draw face 2 and be connected to principal plane 1 and first flange 3 that draw on the edge, face 2 the same side; Said flange 3 comprises and is separately positioned on first flange 31 and second flange 32 that principal plane 1 edge and first draws face 2 edges, and the arc sections 4 that is used to connect first flange 31 and second flange 32.Because said arc sections 4 has been replenished the gap between first flange 31 and second flange 32; Make first flange 31 and second flange 32 be connected to become an integral body; After the parts flanged-edge moulding, the intensity of said parts flanged-edge has had further raising like this, and then the intensity of part has also had significant raising; Further, said arc sections 4 has increased the area of flange, when the weldering of part dress, can on flange 3, increase more solder joint on demand, and then improve the vehicle body integral intensity; Further, said arc sections 4 has been filled up the clearance space between first flange 31 and second flange 32 in the prior art, has improved the leak tightness of vehicle body, has effectively prevented the generation of roof leaking phenomenon.As preferably, first flange 31, second flange 32 and arc sections 4 so more help the raising of flange intensity, and have simplified the Fabrication procedure of part through one-body molded.

Said arc sections 4 has the exterior rim L1 of circular arc, and the extended line that is parallel to the edge 310 of principal plane 1 on the tangent line that exterior rim L1 goes up the exterior rim L1 that the end points near first flange 31 forms and first flange 31 overlaps; The extended line that is parallel to the edge 320 of principal plane 1 on the tangent line that said exterior rim L1 goes up the exterior rim L1 that the end points near second flange 32 forms and second flange overlaps, and transition has smoothly been realized at the edge of the exterior rim L1 of arc sections 4 and first flange 31 and second flange 32 like this.As preferable selection; The line length of said exterior rim L1 equals before the parts flanged-edge line length with the cooresponding camber line of exterior rim; The line length error control that perhaps guarantees both is in 3%, because 3% change and can remedy through the plastic deformation of material self with interior line length.

Said principal plane 1 and first draws face 2 and is connected through first hollows 21; According to the direction shown in Fig. 2; Said first draws the edge that face 2 is connected principal plane 1, and bends towards the below of principal plane 1, and wherein the angle of bending designs according to concrete moulding.Said arc sections 4 is connected the edge of first hollows 21 through second hollows 41; Said first flange 31 draws face 2 with the vertical respectively principal plane 1 of second flange 32 and first; And first flange 31 is connected with principal plane 1 through the 3rd hollows 311; Second flange 32 draws face 2 through the 4th hollows 321 and first and is connected; Wherein the radius of rounding of second hollows 41, the 3rd hollows 311 and the 4th hollows 321 equates respectively, all is designed to 3 to 10 millimeters as the radius of rounding of preferred second hollows 41, the 3rd hollows 311 and the 4th hollows 321.

In the process of part drawing and moulding; Said first draws the edge that is parallel to principal plane on the face 2 is formed with second and draws face 5; Said second draws face 5 is parallel to principal plane 1 setting, and second to draw that face 5 and first draws between the face 2 also be to be connected through hollows.In order to accomplish the overturning process of part, draw on face 5 and second flange 32 edge adjacent to each other second and to form a U-shaped breach 6.

As shown in Figure 3, the forming process of the part with flange that the utility model provides is following: (1) uses drawing die that the plane plate is carried out drawing and moulding, forms drawn component; (2) use trim die that drawn component is cut edge along dotted line direction among the figure, and the waste material after will cutting edge is removed; (3) use curling die that the product after cutting edge is carried out overturning process, with the part final molding.

The above is merely the utility model preferred embodiment; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims

1. part with flange; Comprise that principal plane (1), bending are connected first on the principal plane (1) and draw face (2) and be connected to principal plane (1) and first and draw the flange (3) on face (2) edge, the same side; It is characterized in that; Said flange (3) comprises and is separately positioned on first flange (31) and second flange (32) that principal plane (1) edge and first draws face (2) edge, and the arc sections (4) that is used to connect first flange (31) and second flange (32).

2. the part with flange as claimed in claim 1 is characterized in that, said first flange (31), second flange (32) and arc sections (4) are through one-body molded.

3. the part with flange as claimed in claim 1 is characterized in that, said arc sections (4) has the exterior rim (L1) of circular arc.

4. the part with flange as claimed in claim 3; It is characterized in that the extended line that is parallel to the edge (310) of principal plane (1) on the tangent line that said exterior rim (L1) goes up the exterior rim (L1) that the end points near first flange (31) forms and first flange (31) overlaps; The extended line that is parallel to the edge (320) of principal plane (1) on the tangent line that said exterior rim (L1) goes up the exterior rim (L1) that the end points near second flange (32) forms and second flange overlaps.

5. the part with flange as claimed in claim 1; It is characterized in that; Said principal plane (1) and first draws face (2) and is connected through first hollows (21), and said arc sections (4) is connected the edge of first hollows (21) through second hollows (41).

6. the part with flange as claimed in claim 1; It is characterized in that; Said first flange (31) draws face (2) with second flange (32) difference vertical principal plane (1) and first; And first flange (31) is connected with principal plane (1) through the 3rd hollows (311), and second flange (32) draws face (2) through the 4th hollows (321) and first and is connected.

7. the part with flange as claimed in claim 6 is characterized in that, the radius of rounding of said second hollows (41), the 3rd hollows (311) and the 4th hollows (321) equates respectively.