Sheet metal part bending device

Abstract

The utility model discloses a sheet metal part bending device which comprises a frame body, and an upper male die and a lower female die are arranged on the frame body at intervals from top to bottom. Each side face of the upper male die protrudes outwards to form a male die structure. Each side face of the lower female die is concaved inwards to form groove structures corresponding to the male die structures in a one-to-one mode. A rod body is arranged on the frame body in an up-down displacement mode, rotating sleeves are arranged at the two ends of the upper male die, and the rotating sleeves are rotatably connected to the end portions of the rod body in a sleeving mode; and rotating shafts are arranged at the two ends of the lower female die and are rotatably arranged on the frame body. The problems that in the prior art, a bending die is inconvenient to adjust and machine according to different angle machining parameters, and the application range is narrow are solved.

Description

Technical Field

[0001] The utility model relates to the field of sheet metal processing, in particular to a sheet metal bending device. Background Art

[0002] In the field of sheet metal processing, sheet metal parts are usually required to be bent according to processing requirements. For example, the Chinese patent with patent number CN201210544362.8 provides a bending mold, which includes an upper mold and a lower mold, wherein the upper mold includes an upper mold base and an upper punch and an upper die arranged on the upper mold base, and the lower mold includes a lower mold base and a lower punch and a lower die arranged on the lower mold base, wherein the upper punch and the lower die are arranged relative to each other, and the upper die and the lower punch are arranged relative to each other. The bending mold in the above-mentioned prior art, whose upper punch and lower punch can only process and form sheet metal parts with one angle parameter, that is, the bending angle of the sheet metal parts is fixed, and it is inconvenient to adjust and process according to different angle processing parameters, and the scope of application is narrow. Utility Model Content

[0003] The utility model aims to provide a sheet metal bending device, which solves the problem that the bending mold in the prior art is inconvenient to adjust and process according to processing parameters at different angles and has a narrow application range.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a sheet metal bending device, which includes a frame body, on which an upper punch and a lower die are arranged at intervals from top to bottom; each side surface of the upper punch protrudes outward to form a punch structure; each side surface of the lower die is recessed inward to form a groove structure corresponding to the punch structure one by one; a rod body is arranged on the frame body so as to be displaceable up and down, and rotating sleeves are arranged at both ends of the upper punch, and the rotating sleeves are rotatably connected to the ends of the rod body; rotating shafts are arranged at both ends of the lower die, and the rotating shafts are rotatably arranged on the frame body.

[0005] Preferably, a cylinder is provided on the frame, and the cylinder is connected to the rod body.

[0006] Preferably, the frame body is provided with a sliding groove along the vertical direction, and the rod body is slidably disposed in the sliding groove.

[0007] Preferably, a plurality of first pin holes are arranged around the rotating sleeve, and a second pin hole is arranged on the rod body;

[0008] The first pin rod passes through the first pin hole and the second pin hole in sequence.

[0009] Preferably, a plurality of third pin holes are arranged around the end of the rotating shaft, and a second pin rod is slidably arranged on the frame, and the second pin rod passes through the third pin holes.

[0010] Preferably, a bearing is disposed in the frame, and the rotating shaft is at least partially rotatably disposed in the bearing.

[0011] Beneficial effects: The utility model provides a sheet metal bending device, which includes a frame body, on which an upper punch and a lower die are arranged at intervals from top to bottom; each side surface of the upper punch protrudes outward to form a punch structure; each side surface of the lower die is recessed inward to form a groove structure corresponding to the punch structure one by one; a rod body is arranged on the frame body so as to be displaceable up and down, and rotating sleeves are arranged at both ends of the upper punch, and the rotating sleeves are rotatably connected to the ends of the rod body; rotating shafts are arranged at both ends of the lower die, and the rotating shafts are rotatably arranged on the frame body. The cross-sections of the upper punch and lower die here are polygonal, preferably square, and a punch structure is formed on each side of the upper punch, and a corresponding groove structure is formed on each side of the lower die. During the processing, the upper punch and the lower die are rotated according to the bending angle requirements so that they correspond to each other, and then the sheet metal is placed between the two, and the upper punch is driven downward by the cylinder to bend the sheet metal. The sheet metal bending device provided by the utility model can perform bending operations on sheet metal at different angles, which greatly improves the application range of the bending device.

[0012] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0014] Figure 1 It is a structural diagram of the sheet metal bending device provided by the utility model;

[0015] Figure 2 It is a front view of the sheet metal bending device provided by the utility model;

[0016] Figure 3 It is a side view of the sheet metal bending device provided by the utility model.

[0017] Description of Reference Numerals

[0018] 1-frame; 2-lower concave die; 3-upper punch; 4-rotating shaft; 5-second pin rod; 6-sliding groove; 7-cylinder; 8-rod body; 9-rotating sleeve; 10-first pin rod. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0020] like Figure 1-3 As shown: the utility model provides a sheet metal bending device, which includes a frame 1, on which an upper punch 3 and a lower die 2 are arranged at intervals from top to bottom; each side surface of the upper punch 3 is convex outward to form a punch structure; each side surface of the lower die 2 is concave inward to form a groove structure corresponding to the punch structure; a rod body 8 is arranged on the frame 1 so as to be displaceable up and down, and rotating sleeves 9 are arranged at both ends of the upper punch 3, and the rotating sleeves 9 are rotatably sleeved on the ends of the rod body 8; and rotating shafts 4 are arranged at both ends of the lower die 2, and the rotating shafts 4 are rotatably arranged on the frame 1. The cross-sections of the upper punch and lower die here are polygonal, preferably square, and a punch structure is formed on each side of the upper punch, and a corresponding groove structure is formed on each side of the lower die. During the processing, the upper punch and the lower die are rotated according to the bending angle requirements so that they correspond to each other, and then the sheet metal is placed between the two, and the upper punch is driven downward by the cylinder to bend the sheet metal. The sheet metal bending device provided by the utility model can perform bending operations on sheet metal at different angles, which greatly improves the application range of the bending device.

[0021] In a preferred embodiment of the present invention, in order to drive the rod body to move up and down, a cylinder 7 is provided on the frame body 1 , and the cylinder 7 is connected to the rod body 8 .

[0022] In a preferred embodiment of the present invention, in order to limit the up and down displacement of the rod body, a sliding groove 6 along the vertical direction is provided on the frame body 1, and the rod body 8 is slidably disposed in the sliding groove 6.

[0023] In a preferred embodiment of the utility model, in order to limit the position of the upper punch after rotation, a plurality of first pin holes are arranged around the rotating sleeve 9, and a second pin hole is arranged on the rod body 8; the first pin rod 10 passes through the first pin hole and the second pin hole in sequence. In an embodiment of the utility model, the cross-sections of the upper punch and the lower die are square, and there are four first pin holes here. When the upper punch is rotated 90 degrees, the first pin rod is used to lock it on the rod body to prevent shaking during the pressing process.

[0024] In a preferred embodiment of the utility model, a plurality of third pin holes are arranged around the end of the rotating shaft 4, and a second pin rod 5 is slidably arranged on the frame body 1, and the second pin rod 5 passes through the third pin holes. In an embodiment of the utility model, the cross-sections of the upper punch and the lower die are square, and there are four third pin holes here. After rotation, the second pin rod is used to lock it to prevent it from shaking during operation.

[0025] In a preferred embodiment of the present invention, in order to enable the rotating shaft to rotate smoothly on the frame, a bearing is provided in the frame 1, and the rotating shaft 4 is at least partially rotatably provided in the bearing.

[0026] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0027] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0028] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A sheet metal bending device, characterized in that: The sheet metal bending device comprises a frame (1), wherein the frame (1) is provided with an upper convex die (3) and a lower concave die (2) spaced from top to bottom; Each side surface of the upper punch (3) is protruded outward to form a punch structure; Each side surface of the lower concave mold (2) is inwardly concave to form a groove structure corresponding to the convex mold structure one by one; A rod body (8) is disposed on the frame body (1) so as to be displaceable up and down, and rotating sleeves (9) are disposed at both ends of the upper punch (3), and the rotating sleeves (9) are rotatably sleeved on the ends of the rod body (8); Rotating shafts (4) are provided at both ends of the lower concave die (2), and the rotating shafts (4) are rotatably arranged on the frame (1).

2. The sheet metal bending device according to claim 1, characterized in that: The frame body (1) is provided with a cylinder (7), and the cylinder (7) is connected to the rod body (8).

3. The sheet metal bending device according to claim 2, characterized in that: The frame body (1) is provided with a sliding groove (6) along the vertical direction, and the rod body (8) is slidably arranged in the sliding groove (6).

4. The sheet metal bending device according to claim 3, characterized in that: The rotating sleeve (9) is provided with a plurality of first pin holes, and the rod body (8) is provided with a second pin hole. The first pin rod (10) passes through the first pin hole and the second pin hole in sequence.

5. The sheet metal bending device according to claim 4, characterized in that: A plurality of third pin holes are arranged around the end of the rotating shaft (4), and a second pin rod (5) is slidably arranged on the frame body (1), and the second pin rod (5) passes through the third pin hole.

6. The sheet metal bending device according to claim 5, characterized in that: A bearing is arranged in the frame (1), and the rotating shaft (4) is at least partially rotatably arranged in the bearing.

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