CN219378528U - Sheet metal sagging forming tool - Google Patents

Abstract

The utility model discloses a sheet metal sagging forming tool, and relates to the field of machinery. One specific embodiment of the tool comprises: the upper module is used for being connected with a machine tool; the lower module comprises a first standard block, a second standard block and a special block, wherein the first standard block and the second standard block are of fixed sizes, the special block is adaptive to the size of a part to be processed, the first standard block comprises a first connecting part, the special block further comprises a second connecting part, the first connecting part and the second connecting part are detachably connected, and the first standard block, the second standard block and the special block are enclosed to form a forming groove for accommodating the part to be processed.

Description

A sheet metal sinking forming tooling

technical field

The invention relates to the technical field of machinery, in particular to a sheet metal sinking forming tool.

Background technique

In the design of the main frame of the aircraft, the overlapping parts between the parts usually adopt a sag structure. The parts between the main frame of the aircraft are mostly sheet metal parts. Therefore, in the manufacturing process of the sheet metal parts, there will be sheet metal parts of different specifications and sizes.

In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art: the subsidence process of stamping sheet metal parts needs to take into account two parts: the section size of the sheet metal part and the subsidence standard. The existing sag forming method for sheet metal parts is to manufacture different special sag forming tooling for parts of different sheet metal section sizes, and use the special sag tooling to form the sag of a certain section of sheet metal part. Due to the wide variety of cross-sectional sizes of sheet metal parts, such a method is likely to result in the need to produce a large number of special sag forming tooling.

Contents of the invention

In view of this, the embodiment of the present invention provides a sheet metal sagging forming tool, which can adapt to the size of various processed parts by assembling special blocks of different sizes and standard blocks, which ensures the production demand of sheet metal sagging, and also saves tooling costs.

In order to achieve the above object, according to an aspect of the embodiment of the present invention, a sheet metal sinking forming tool is provided, including: an upper module 1, the upper module 1 is used to connect with a machine tool; a lower module 2, the lower module 2 includes a first standard block 21, a second standard block 22 and a special block 3, the first standard block 21 and the second standard block 22 are fixed in size, and the size of the special block 3 is adapted according to the size of the part 4 to be processed, wherein the first standard block 21 includes a first connection part 211, and the special block 3 also includes a second The connection part 311, the first connection part 211 and the second connection part 311 are detachably connected, and the first standard block 21, the second standard block 22 and the special block 3 are enclosed to form a forming groove 5 for accommodating the part 4 to be processed.

Optionally, the first connection part 211 and the second connection part 311 are stepped snap-fit connections.

Optionally, the first connecting part 211 and the second connecting part 311 are detachably connected by bolts, wherein the second connecting part is provided with a countersunk screw hole 312 .

Optionally, the side of the first standard block 21 and/or the second standard block 22 corresponding to the upper module 1 is provided with an arc chamfer.

Optionally, the cross section of the upper module 1 is trapezoidal.

Optionally, the special block 3 is sandwiched between the first standard block 21 and the second standard block 22 .

Optionally, the first connecting portion 211 is a concave portion, and the second connecting portion is a convex portion 311 .

Optionally, the forming groove 5 is linear.

Optionally, the lower module 2 is formed by splicing multiple pieces of the first standard block 21 , the second standard block 22 and/or the special-purpose block 3 .

Optionally, the cross-section of the forming groove 5 is consistent with the cross-sectional size of the part 4 to be processed.

The utility model can produce qualified part sinking for sheet metal parts of different cross-sectional sizes when forming sheet metal parts sinking, and the sinking forming device is easy to find, has a fast replacement speed, and has good forming effect, and the manufactured parts sinking meets the design and process requirements.

The further effects of the above-mentioned non-conventional alternatives will be described below in conjunction with specific embodiments.

Description of drawings

The accompanying drawings are used to better understand the present invention, and do not constitute improper limitations to the present invention. in:

Fig. 1 is a schematic structural view of a sheet metal sagging forming tool according to the utility model;

Fig. 2 is a side view of a sheet metal sagging forming tool according to the utility model;

Fig. 3 is the perspective view of the first standard block according to the utility model;

Fig. 4 is a perspective view of a special block according to the utility model;

Fig. 5 is a sectional view (along the section of A-A) of a kind of sheet metal sinking forming tooling according to the present invention;

Explanation of reference numerals: 1-upper module, 2-lower module, 21-first standard block, 22-second standard block, 3-special block, 4-part to be processed, 211-first connecting part, 311-second connecting part, 312-countersunk screw hole, 5-forming groove.

Detailed ways

Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Fig. 1 is a schematic structural view of a sheet metal sink forming tool according to the present invention; Fig. 2 is a side view of a sheet metal sink forming tool according to the present invention; Fig. 3 is a perspective view of a first standard block according to the present invention; Fig. 4 is a perspective view of a special block according to the present invention; As shown in the figure, a sheet metal sinking forming tooling provided by the utility model includes: an upper module 1, the upper module 1 is used to connect with the machine tool; a lower module 2, the lower module 2 includes a first standard block 21, a second standard block 22 and a special block 3, the first standard block 21 and the second standard block 22 are of fixed size, and the size of the special block 3 is adapted according to the size of the part 4 to be processed, wherein the first standard block 21 includes the first connecting part 211, and the special block 3 also includes the second connecting part 311, the first connecting part 211 and the second connecting part 3 11 is detachably connected, and the first standard block 21, the second standard block 22 and the special block 3 are enclosed to form a forming groove 5 for accommodating the parts 4 to be processed. The second standard block and the special block can be directly attached and connected, and finally together with the special block 3 and the first standard block 21, they are fixed on the machine tool mold platform. The upper module 1 is used to connect with the stamping machine tool to stamp the parts 4 to be processed, and its structure is relatively solidified. The lower module 2 is directly in contact with the part 4 to be processed, and the lower module 2 is used to place the part 4 to be processed through the forming groove 5 formed after the first standard block 21, the second standard block 22 and the special block 3 are surrounded and spliced. Since the special blocks 3 of different sizes can be flexibly selected, the cross section of the forming groove 5 can be made consistent with the cross-sectional size of the part 4 to be processed (i.e. the thickness of the material of the part 4 to be processed and the height of the flange). It meets the processing needs of parts of various sizes. Since the size of the standard block is relatively fixed, it can be reused, reducing material waste and saving costs.

According to an embodiment of the present utility model, the first connecting part 211 and the second connecting part 311 are connected by step buckling. The stability of the connection between the first standard block 21 and the special block 3 is further improved to prevent misalignment.

According to an embodiment of the present invention, the first connecting part 211 and the second connecting part 311 are detachably connected by bolts, wherein the second connecting part is provided with a countersunk screw hole 312 . To further improve the stability of the connection between the first standard block 21 and the special block 3, the countersunk screw holes 312 facilitate the close installation of the second standard block 22 and the special block.

According to an embodiment of the present invention, the side of the first standard block 21 and/or the second standard block 22 corresponding to the upper module 1 is provided with an arc-shaped chamfer. Adapt according to the size of the part 4 to be processed.

According to an embodiment of the present invention, the cross section of the upper module 1 is trapezoidal. It is convenient for machine tool processing and installation.

According to an embodiment of the present utility model, the shape of the special block 3 is set according to the shape of the part 4 to be processed, and the commonly used lower module 2 is sandwiched between the first standard block 21 and the second standard block 22 by the special block 3 .

According to an embodiment of the present invention, the first connecting portion 211 is a concave portion, and the second connecting portion is a convex portion 311 . The stability of the connection between the first standard block 21 and the special block 3 is further improved to prevent misalignment.

According to an embodiment of the present invention, the shape of the special block 3 is set according to the shape of the part 4 to be processed, and the commonly used forming groove 5 is linear.

According to an embodiment of the present invention, the lower module 2 is formed by splicing a plurality of first standard blocks 21 , second standard blocks 22 and/or special blocks 3 . The modular splicing method is applicable to the processing of large-sized parts 4 to be processed.

The above specific implementation methods do not constitute a limitation to the protection scope of the present invention. It should be apparent to those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. Sheet metal subsidence shaping frock, its characterized in that includes:

the upper module (1) is used for being connected with a machine tool;

lower module (2), lower module (2) include first standard piece (21), second standard piece (22) and special piece (3), first standard piece (21) with second standard piece (22) are fixed size, the size of special piece (3) is according to the size of waiting to process part (4) and is carried out the adaptation, wherein first standard piece (21) include first connecting portion (211), special piece (3) still include second connecting portion (311), first connecting portion (211) with second connecting portion (311) can dismantle the connection, first standard piece (21), second standard piece (22) with special piece (3) enclose and form and hold shaping groove (5) of waiting to process part (4).

2. The tool according to claim 1, wherein the first connection portion (211) and the second connection portion (311) are step-snap-fit connections.

3. Tool according to claim 1, wherein the first connection part (211) and the second connection part (311) are detachably connected by means of a bolt, wherein the second connection part is provided with a countersunk screw hole (312).

4. Tool according to claim 1, characterized in that the side of the first standard block (21) and/or the second standard block (22) corresponding to the upper module (1) is provided with an arc chamfer.

5. Tool according to claim 1, characterized in that the cross section of the upper module (1) is trapezoidal.

6. Tool according to claim 1, characterized in that the dedicated block (3) is sandwiched between the first standard block (21) and the second standard block (22).

7. Tool according to claim 1, wherein the first connection portion (211) is a recess and the second connection portion (311) is a protrusion.

8. Tool according to claim 1, characterized in that the forming groove (5) is rectilinear.

9. Tool according to claim 1, wherein the lower module (2) is formed by splicing a plurality of first standard blocks (21), second standard blocks (22) and/or special blocks (3).

10. Tool according to claim 1, characterized in that the cross section of the forming groove (5) corresponds to the cross section of the part (4) to be machined.