CN111604391A - Metal plate bending structure and bending method thereof - Google Patents

Abstract

The invention discloses a sheet metal bending structure which comprises a metal sheet and a process material used for supplementing that the horizontal bending part of the metal sheet is rectangular, wherein the process material is arranged around the horizontal bending part of the metal sheet, and the process material is connected and fixed with the metal sheet through a connecting rib. The invention also provides a metal plate bending method, which comprises the following steps: cutting and blanking the complete rectangular metal plate to obtain the metal plate bending structure; positioning a positioning piece of a metal plate bending structure and the upper part of a technical material piece with bending processing equipment, and then starting the bending processing equipment to perform vertical bending operation; cutting the connecting root of the connecting rib and the metal plate to separate the technological material from the metal plate; and cutting the connecting root part of the connecting shaft and the metal plate to separate the positioning piece from the metal plate so as to obtain the bent sheet metal part.

Description

Metal plate bending structure and bending method thereof

Technical Field

The invention relates to the technical field of sheet metal machining, in particular to a sheet metal bending structure and a bending method thereof.

Background

At present, sheet metal parts used in engines and mechanical equipment of aviation and aerospace vehicles and aviation and spacecraft have more products, and part of the products are special-shaped sheet metal parts, the unfolded metal plate before the sheet metal part is bent is provided with a vertical bending part 1 and a horizontal bending part 2 on a metal plate 3 as shown in figure 1, and aiming at the horizontal bending part 2, because the horizontal bending line and the adjacent bending edge have an included angle larger than 90 degrees as shown in figure 2, an upper bending die 5 is in contact with the upper surface of a workpiece during bending, and a lower bending die 4 is in contact with the lower surface of the workpiece.

Middle and upper, bed die extrudees the plate simultaneously at the in-process of bending, because of bend 4 inhomogeneous meeting that atress leads to the plate to take place to rotate right of bending, so adopt the unable size of guaranteeing of the direct mode of bending of conventional, can't satisfy the quality requirement of product, generally can adopt to bend the back and add worker's mode, need use supplementary anchor clamps, the operation is comparatively complicated, and the staff's that just processes to the bending skill requirement is higher.

Disclosure of Invention

The present invention is directed to solving the above problems and to providing a sheet metal bending structure and a bending method thereof.

In order to achieve the above object, the present disclosure provides a sheet metal bending structure, a sheet metal part for oblique extension is bent perpendicularly along its horizontal bending position, the sheet metal part is formed into an irregular strip-shaped structure, the sheet metal bending structure includes the sheet metal part and a material part for process for supplementing that the horizontal bending position of the sheet metal part is rectangular, the material part for process is arranged around the horizontal bending position of the sheet metal part, and the material part for process is connected and fixed with the sheet metal part through a connecting rib.

Optionally, the horizontal bending part is close to the first end of the metal plate, a plurality of clearance holes are formed between the technical material part and the side edge of the metal plate at intervals, a plurality of partition holes are formed between the technical material part and the first end edge of the metal plate at intervals, and the hole area of each partition hole is larger than that of each clearance hole.

Optionally, a positioning part is arranged at the second end of the metal plate, the positioning part comprises an L-shaped plate used for positioning the bending processing equipment, and the L-shaped plate which is turned upwards for 180 degrees is fixedly connected with the second end through a connecting shaft.

Optionally, the upper portion of the process material piece extends upward to the same height as the positioning piece.

The present disclosure also provides a sheet metal bending method, including the following:

cutting and blanking the complete rectangular metal plate to obtain the metal plate bending structure;

positioning a positioning piece of a metal plate bending structure and the upper part of a technical material piece with bending processing equipment, and then starting the bending processing equipment to perform vertical bending operation;

cutting the connecting root of the connecting rib and the metal plate to separate the technological material from the metal plate;

and cutting the connecting root part of the connecting shaft and the metal plate to separate the positioning piece from the metal plate so as to obtain the bent sheet metal part.

The invention has the beneficial effects that:

the invention relates to a sheet metal bending structure and a bending method thereof, which solve the problem of inaccurate spatial position size caused by dislocation when a special-shaped sheet metal is bent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic view of a metal plate member;

FIG. 2 is a schematic view of a bent metal plate;

fig. 3 is a schematic structural diagram of a sheet metal bending structure.

Description of the reference numerals

1-vertical bending part, 2-horizontal bending part, 3-metal plate, 4-lower bending mould, 5-upper bending mould, 6-L-shaped plate, 7-connecting shaft, 8-second end, 9-connecting rib, 10-material for process, 11-first end, 12-partition hole and 13-clearance hole.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms of orientation such as "upper" and "lower" are generally defined based on the orientation or positional relationship shown in the drawings, and specifically refer to the drawing direction shown in fig. 3 in combination with the positional relationship of the corresponding parts in other drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

The sheet metal bending structure is used for vertically bending a metal sheet 3 extending obliquely along a horizontal bending part 2 of the metal sheet 3, as shown in fig. 1, the metal sheet 3 is formed into an irregular strip-shaped structure, as shown in fig. 3, the sheet metal bending structure comprises the metal sheet 3 and a process material 10 for supplementing the fact that the horizontal bending part 2 of the metal sheet 3 is rectangular, the process material 10 is arranged around the horizontal bending part 2 of the metal sheet 3, and the process material 10 is fixedly connected with the metal sheet 3 through a connecting rib 9.

Optionally, the horizontal bending part 2 is close to the first end 11 of the metal plate 3, a plurality of clearance holes 13 are formed between the technical material 10 and the side edge of the metal plate 3 at intervals, a plurality of partition holes 12 are formed between the technical material 10 and the first end 11 of the metal plate 3 at intervals, and since the first end 11 of the metal plate 3 is narrow, the technical material 10 and the first end 11 of the metal plate 3 are conveniently separated from each other, so that the hole area of each partition hole 12 is larger than the hole area of each clearance hole 13.

Optionally, a positioning element is arranged at the second end 8 of the metal plate 3, the positioning element comprises an L-shaped plate 6 for positioning with the bending processing equipment, and the L-shaped plate 6 turned upwards by 180 degrees is fixedly connected with the second end 8 through a connecting shaft 7.

Optionally, the upper portion of the process piece 10 extends up to the same height as the locating member. The upper part of the technical material piece 10 is used as a positioning part, so that the positioning area is increased, and the positioning with the bending equipment is facilitated.

The present disclosure also provides a sheet metal bending method, including the following:

cutting and blanking the complete rectangular metal plate to obtain the metal plate bending structure;

positioning a positioning piece of a sheet metal bending structure and the upper part of a technical material 10 with bending processing equipment, and then starting the bending processing equipment to perform vertical bending operation;

cutting off the root of the connection between the connecting rib 9 and the metal plate 3 to separate the technical material 10 from the metal plate 3;

and cutting the connecting root part of the connecting shaft 7 and the metal plate 3 to separate the positioning piece from the metal plate 3, so as to obtain the bent sheet metal part.

The invention relates to a sheet metal bending structure and a bending method thereof, which solve the problem of inaccurate spatial position size caused by dislocation when a special-shaped sheet metal is bent, and the invention arranges a technical material 10 for a sheet metal part 3, wherein the stress points of an upper die and a lower die of the added technical material 10 are uniformly and symmetrically distributed in the bending process without displacement, thereby being beneficial to improving the production efficiency, ensuring the product quality and reducing the skill level of operators in practical application.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (5)

1. Panel beating bending structure for the metal sheet that the slope extends bends perpendicularly along its level, and metal sheet is formed into anomalous rectangular form structure, its characterized in that: the sheet metal bending structure comprises a metal plate and a technical material piece for supplementing the rectangular horizontal bending part of the metal plate, wherein the technical material piece is arranged around the horizontal bending part of the metal plate, and the technical material piece is fixedly connected with the metal plate through a connecting rib.

2. The sheet metal bending structure according to claim 1, wherein: the horizontal bending part is close to the first end of the metal plate, a plurality of clearance holes are formed between the technical material part and the side edge of the metal plate at intervals, a plurality of partition holes are formed between the technical material part and the first end edge of the metal plate at intervals, and the hole area of each partition hole is larger than that of each clearance hole.

3. The sheet metal bending structure according to claim 1, wherein: the second end of sheet metal spare sets up the setting element, and the setting element is including being used for with the L template of bending processing equipment location, and the L template of upwards overturning 180 passes through the connecting axle and holds fixedly with the second and be connected.

4. The sheet metal bending structure according to claim 3, wherein: the upper part of the technical material part extends upwards to the same height as the positioning part.

5. The metal plate bending method is characterized by comprising the following steps:

cutting and blanking the complete rectangular metal plate to obtain the sheet metal bending structure of any one of claims 1 to 4;

positioning a positioning piece of a metal plate bending structure and the upper part of a technical material piece with bending processing equipment, and then starting the bending processing equipment to perform vertical bending operation;

cutting the connecting root of the connecting rib and the metal plate to separate the technological material from the metal plate;

and cutting the connecting root part of the connecting shaft and the metal plate to separate the positioning piece from the metal plate so as to obtain the bent sheet metal part.

Images