CN216065135U

CN216065135U - Stainless steel stretching and flanging forming device

Info

Publication number: CN216065135U
Application number: CN202122274847.7U
Authority: CN
Inventors: 郭建军; 汤珍珍
Original assignee: Zhuhai Huashi Technology Co ltd
Current assignee: Zhuhai Huashi Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-18
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to a stainless steel stretch flanging forming device, which belongs to the field of stamping dies and comprises an upper die structure and a lower die structure, wherein the upper die structure comprises an upper die assembly and a stretch flanging forming punch, the upper die assembly comprises an upper die base, the stretch flanging forming punch is arranged at the center of the lower end of the upper die base, a high-strength glue discharging sleeve is arranged outside the stretch flanging forming punch, the lower die structure comprises a female die punch and a lower die assembly, the lower die assembly comprises a lower die base and a female die fixing plate, the female die punch is fixed at the center of the lower die base, and the female die fixing plate surrounds the female die punch; the stretching flanging forming punch is located right above the female die punch, the diameters of the stretching flanging forming punch and the female die punch are the same, and when the upper die assembly drives the stretching flanging forming punch to downwards punch the stainless steel plate, the female die punch downwards moves and enables the stainless steel plate to be flanged and stretched under the action of the female die punch and the female die fixing plate. Therefore, the time for disassembling and assembling the die is reduced, the production and processing efficiency is effectively improved, and the reject ratio of products is reduced.

Description

Stainless steel stretching and flanging forming device

Technical Field

The utility model relates to the field of stamping dies, in particular to a stainless steel stretching and flanging forming device.

Background

The existing stainless steel stretching flanging forming device firstly performs a stretching process on a stainless steel plate through a stretching die, then performs flanging processing through a flanging die, and finally performs flattening by using a forming die.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the stainless steel stretching and flanging forming integrated device which realizes stretching and flanging forming in the same die assembly, so that the process manufacturing procedures are reduced, the time for disassembling and assembling the die is reduced, the production and processing efficiency is effectively improved, and the reject ratio of products is reduced.

The technical scheme of the utility model is realized as follows:

the utility model discloses a stainless steel stretching flanging forming device, which comprises an upper die structure and a lower die structure, wherein the upper die structure is arranged right above the lower die structure; the upper die structure comprises an upper die assembly and a stretching flanging forming punch, wherein the upper die assembly comprises an upper die base, the stretching flanging forming punch is arranged in the center of the lower end of the upper die base, and a high-strength rubber discharging sleeve with a discharging function is sleeved outside the stretching flanging forming punch;

the lower die structure comprises a female die punch and a lower die assembly, the lower die assembly comprises a lower die base and a female die fixing plate, the female die punch is fixed in the center of the lower die base, and the female die fixing plate surrounds the female die punch;

the stretch flanging forming punch is positioned right above the female die punch, and the diameter of the stretch flanging forming punch is the same as that of the female die punch;

when the upper die assembly drives the stretching flanging forming punch to downwards punch the stainless steel plate, the female die punch moves downwards under the matching of the high-strength glue discharging sleeve and the lower die assembly, and the stainless steel plate is subjected to flanging stretching forming under the action of the female die punch and the female die fixing plate.

Preferably, the upper die assembly further comprises a die handle, the die handle is in interference fit with the upper die base, and the die handle is arranged in the center of the upper end of the upper die base; the die handle drives the stretching flanging forming punch to move up and down.

Preferably, the upper die assembly further comprises a punch retainer, and the punch retainer surrounds and is fixed on the stretch flanging forming punch.

Preferably, the bottom of the stretch flanging forming punch is provided with a circular bulge, and the diameter of the circular bulge is 0.5cm-2cm smaller than that of the stretch flanging forming punch.

Preferably, the lower end of the stretch flanging forming punch is 0.5cm-2cm from the dominant force glue discharging sleeve.

Preferably, the upper die assembly further comprises: a shaft sleeve; the lower die assembly further comprises: a guide post and a lower backing plate; the shaft sleeve is fixed on the upper die base, the guide pillar is fixed on the lower base plate, the upper die assembly moves up and down, and when the upper die assembly is matched with the lower die assembly, the shaft sleeve and the guide pillar are in clearance fit.

Compared with the prior art, the utility model has the following advantages:

the utility model designs and manufactures the punch of the forming die into a stretching flanging forming integrated die on the basis of the existing forming die. When the upper die assembly drives the stretching flanging forming punch to downwards punch the stainless steel plate, the female die punch moves downwards under the matching of the high-strength glue discharging sleeve and the lower die assembly, and the stainless steel plate is subjected to flanging stretching forming under the action of the female die punch and the female die fixing plate. The stainless steel stretching and flanging forming device realizes stretching and flanging forming in the same die assembly, so that the process manufacturing procedures are reduced, the time for disassembling and assembling the die is reduced, the production and processing efficiency is effectively improved, and the reject ratio of products is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of a stainless steel stretch flanging molding apparatus according to the present invention;

FIG. 2 is an enlarged view of the structure of a stretch flanging forming punch and a female die punch of the stainless steel stretch flanging forming device;

FIG. 3 is a diagram showing the state of the grooves formed during the stretch flanging molding process of the stainless steel stretch flanging molding device of the present invention.

The attached drawings are as follows:

1. an upper die assembly; 11. a die shank; 12. an upper die holder; 13. a shaft sleeve; 14. a male die fixing plate; 15. a rubber discharging sleeve; 2. stretching and flanging a forming punch; 3. a female die punch; 4. a lower die assembly; 41. a lower die holder; 42. a lower base plate; 43. a guide post; 44. and fixing the female die plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 and fig. 2 show a specific embodiment of a stainless steel stretch flanging forming device provided by the present invention. A stainless steel stretch flanging forming device comprises an upper die structure and a lower die structure; the upper die structure is arranged right above the lower die structure; the upper die structure comprises an upper die component 1 and a stretching flanging forming punch 2, wherein the upper die component 1 comprises an upper die base 12, the stretching flanging forming punch 2 is arranged in the center of the lower end of the upper die base 12, and a high-strength rubber discharging sleeve 15 with a discharging function is sleeved outside the stretching flanging forming punch 2; the lower die structure comprises a female die punch 3 and a lower die assembly 4, the lower die assembly 4 comprises a lower die base 41 and a female die fixing plate 44, the female die punch 3 is fixed in the center of the lower die base 41, and the female die fixing plate 44 surrounds the female die punch 3; the stretch flanging forming punch 2 is positioned right above the female die punch 3, and the diameter of the stretch flanging forming punch 2 is the same as that of the female die punch 3;

when the upper die assembly 1 drives the stretching flanging forming punch 2 to downwards punch the stainless steel plate, the stainless steel plate is extruded under the coordination of the high-strength glue discharging sleeve 15 and the lower die assembly 4, at the moment, the die handle 11 drives the stretching flanging forming punch 2 to upwards stretch, and the stainless steel plate is trimmed under the coordination of the downward discharging of the high-strength glue discharging sleeve 15; after the stainless steel plate trimming is formed, the stretching flanging forming punch 2 continues to downwards punch the stainless steel plate trimming, under the matching of the high-strength rubber discharging sleeve 15 and the lower die assembly 4, the stretching flanging forming punch 2 penetrates out of the high-strength rubber discharging sleeve 15, as shown in fig. 3, at the moment, the stretching flanging forming punch 2 drives the female die punch 3 to downwards move, the female die punch 3 and the female die fixing plate 44 form a groove, the stainless steel plate trimming is flanged, the stretching flanging forming punch 2 upwards stretches again, and finally the stainless steel plate trimming is stretched to the upper edge pressing of the groove punch 3 to complete flanging forming.

Wherein, go up mould subassembly 1 and still include die shank 11, die shank 11 and upper die base 12 interference fit prevent that die shank 11 from rotating, in order to guarantee that assembly process is accurate, die shank 11 is located 12 upper ends centers of upper die base, and on same axis with the central line of tensile turn-ups shaping drift 2, die drift 3, die shank 11 drive tensile turn-ups shaping drift 2 reciprocates.

The upper die assembly 1 further comprises a punch retainer 14, and the punch retainer 14 is fixed to the stretch flanging forming punch 2 in a surrounding manner.

Wherein, the bottom of the stretch flanging forming punch 2 is provided with a circular bulge, the diameter of the circular bulge is 0.5cm-2cm smaller than that of the stretch flanging forming punch 2, the die handle 11 drives the circular bulge to stretch upwards, and the stainless steel plate is cut under the coordination of the unloading action of the gravity rubber unloading sleeve 15; the die handle 11 drives the circular bulge to stretch upwards again, so that the edge of the stainless steel plate is cut to complete flanging forming.

Wherein, the elastic glue discharging sleeve 15 penetrates through the lower end of the stretching flanging forming punch 2 by 0.5cm-2cm, and the stretching flanging forming punch 2 drives the groove punch 3 to move downwards to flange the stainless steel plate slices under the elastic action of the elastic glue discharging sleeve 15.

Wherein, go up mould subassembly 1 and still include: a shaft sleeve 13; lower die assembly 4 further includes: a guide post 43, a lower pad 42; the sleeve 13 is fixed on the upper die base 12, the guide post 43 is fixed on the lower backing plate 42, and when the upper die assembly 1 moves up and down and is matched with the lower die assembly 4, the sleeve 13 and the guide post 43 are in clearance fit.

The stainless steel stretching and flanging forming device realizes stretching and flanging forming in the same die assembly, thereby achieving the purposes of reducing process manufacturing procedures, reducing the time for disassembling and assembling the die, effectively improving the production and processing efficiency and reducing the reject ratio of products.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A stainless steel stretching flanging forming device is characterized in that,

the device comprises an upper die structure and a lower die structure, wherein the upper die structure is arranged right above the lower die structure;

the upper die structure comprises an upper die component (1) and a stretching flanging forming punch (2), the upper die component (1) comprises an upper die base (12), the stretching flanging forming punch (2) is arranged in the center of the lower end of the upper die base (12), and a high-strength glue discharging sleeve (15) with a discharging function is sleeved outside the stretching flanging forming punch (2);

the lower die structure comprises a female die punch (3) and a lower die assembly (4), the lower die assembly (4) comprises a lower die base (41) and a female die fixing plate (44), the female die punch (3) is fixed at the center of the lower die base (41), and the female die fixing plate (44) surrounds the female die punch (3);

the stretch flanging forming punch (2) is positioned right above the female die punch (3), and the diameter of the stretch flanging forming punch (2) is the same as that of the female die punch (3);

go up mould subassembly (1) drive when tensile turn-ups shaping drift (2) down punching press corrosion resistant plate die group spare (4) down the cover (15) are unloaded to the dominant force glue with under the cooperation of lower mould subassembly, die drift (3) move down, and die drift (3) with make corrosion resistant plate turn-ups stretch forming under the effect of die fixing plate (44).

2. The stainless steel stretch flanging forming device of claim 1,

the upper die assembly (1) further comprises a die handle (11), the die handle (11) is in interference fit with the upper die holder (12), and the die handle (11) is arranged in the center of the upper end of the upper die holder (12); the die handle (11) drives the stretch flanging forming punch (2) to move up and down.

3. The stainless steel stretch flanging forming device of claim 1,

the upper die assembly (1) further comprises a male die fixing plate (14), and the male die fixing plate is fixed to the stretching flanging forming punch (2) in a surrounding mode.

4. The stainless steel stretch flanging forming device of claim 1,

the bottom of the stretch flanging forming punch (2) is provided with a circular bulge, and the diameter of the circular bulge is 0.5cm-2cm smaller than that of the stretch flanging forming punch (2).

5. The stainless steel stretch flanging forming device of claim 1,

the acrylic rubber discharging sleeve (15) penetrates out of the lower end of the stretching flanging forming punch (2) by 0.5cm-2 cm.

6. The stainless steel stretch flanging forming device of claim 1,

the upper die assembly (1) further comprises: a shaft sleeve (13); the lower die assembly (4) further comprises: a guide post (43), a lower pad plate (42);

the shaft sleeve (13) is fixed on the upper die base (12), the guide post (43) is fixed on the lower backing plate (42), and when the upper die assembly (1) moves up and down and is matched with the lower die assembly (4), the shaft sleeve (13) and the guide post (43) are in clearance fit.