Bending angle adjusting device of cold roll forming machine

Abstract

The utility model relates to the technical field of cold roll forming machines, in particular to a bending angle adjusting device of a cold roll forming machine, which fixes the edge of a bending area of a plate through a fixing device so as to be matched with a bending push plate to complete bending of the plate, limits the maximum bending angle of the bending push plate through an angle adjusting device, and improves the bending angle of the plate. The bending angle of the plate is conveniently adjusted, an operator can conveniently adjust the position of the plate on the machining table through the conveying device, the labor intensity of the operator in the plate input and output process is reduced, and the practicability of the device is improved; comprising a rack, a machining table and bending push plates, the machining table is installed in the middle in the rack, the edges of the left end face and the right end face of the machining table are each connected with a set of bending push plates through a rotating structure, and the bending push plates are driven by hydraulic cylinders to rotate; comprising a fixing device, an angle adjusting device and a conveying device, the fixing device is installed in a rack, the angle adjusting device is installed on the fixing device, and the conveying device is installed on a machining table.

Description

Technical Field

[0001] The utility model relates to the technical field of cold roll forming machines, in particular to a bending angle adjustment device for cold roll forming machines. Background Art

[0002] Bending and cold forming is an important process in the field of metal processing. It mainly uses a cold forming machine to bend metal sheets and strips at room temperature to form the required profiles or components. The cold forming process can maximize the use of raw materials and reduce waste generation. At the same time, it does not require additional heating energy, so it has a significant material and energy saving effect.

[0003] The Chinese utility model patent with application number CN202122588810.1 in the prior art relates to a bending and forming device for cold-formed workpieces, including a shell, an active roller, a fixed plate, a cylinder, an extrusion head, a slideway and an oil tank, etc., which can achieve the effect of forming and cutting in one step during the processing of cold-formed workpieces.

[0004] However, the above device does not have the ability to adjust the angle of the cold-bending forming of the plate in actual use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a bending angle adjustment device for a cold bending forming machine, which fixes the edge of the bending area of ​​the plate through a fixing device to cooperate with a bending push plate to complete the bending of the plate, limits the maximum bending angle of the bending push plate through an angle adjustment device to facilitate adjustment of the bending angle of the plate, and facilitates the operator to adjust the position of the plate on the processing table through a conveying device, thereby reducing the labor intensity of the operator during the input and output of the plate and improving the practicality of the device.

[0006] The utility model discloses a bending angle adjustment device for a cold bending forming machine, comprising a frame, a processing table and a bending push plate, wherein the processing table is installed in the middle of the frame, and the edges of the left and right end surfaces of the processing table are respectively connected with a group of bending push plates through a rotating structure, and the bending push plates are driven to rotate by a hydraulic cylinder; the utility model comprises a fixing device, an angle adjustment device and a conveying device, wherein the fixing device is installed inside the frame, the angle adjustment device is installed on the fixing device, and the conveying device is installed on the processing table; the edge of the bending area of ​​the plate is fixed by the fixing device to cooperate with the bending push plate to complete the bending of the plate, the maximum bending angle of the bending push plate is limited by the angle adjustment device to facilitate the adjustment of the bending angle of the plate, and the conveying device is convenient for the operator to adjust the position of the plate on the processing table, thereby reducing the labor intensity of the operator during the input and output of the plate and improving the practicality of the device.

[0007] Preferably, the fixing device includes a hydraulic cylinder, a press frame, a bending pressure plate and high-strength bolts. A hydraulic cylinder is installed on the top inner surface of the frame, and the press frame is connected to the movable end of the hydraulic cylinder. A group of bending pressure plates are fixed to the left and right parts of the lower end surface of the press frame by high-strength bolts respectively, and the outer edges of the two groups of bending pressure plates are in the same vertical plane as the left and right side edges of the processing table; by controlling the extension of the hydraulic cylinder, the lower parts of the two groups of bending pressure plates are squeezed and fixed to the bending area of ​​the plate on the processing table, and then the bending push plate is driven to rotate to rotate and push the outside of the plate upward to perform a bending operation on the plate. The bending pressure plate is fixed to the lower part of the press frame by high-strength bolts, and it is easy to replace after the lower end surface of the bending pressure plate is damaged by friction during continuous operation. Compared with directly providing squeezing and fixing of the plate by the press frame as a whole, only the corresponding bending pressure plate needs to be replaced, which reduces the production and maintenance costs and improves the practicality of the device.

[0008] Preferably, it also includes a limiting sleeve and a limiting light rod. A group of limiting light rods are vertically installed at the front and rear of the upper end of the pressing frame, and a group of limiting sleeves are vertically arranged at the front and rear of the top end of the frame. The upper parts of the two groups of limiting light rods are inserted into the corresponding two groups of limiting sleeves. The lifting process of the pressing frame is limited by the cooperation of the two groups of limiting light rods and the limiting sleeves, thereby providing a stable and uniform fixing pressure for the whole plate, thereby improving the practicability of the device.

[0009] Preferably, the angle adjustment device includes an arc sliding cavity, an arc sliding block, a pressure switch and a fastening bolt, and a group of arc sliding cavities are respectively provided on the left and right parts of the pressing frame, a group of arc sliding cavities are respectively provided in the two groups of arc sliding cavities, and multiple groups of pressure switches are provided on the outer sides of the arc sliding blocks, and multiple groups of fastening bolts are respectively provided on the left and right parts of the front and rear end surfaces of the pressing frame, and the centers of the arc sliding cavity and the arc sliding block are located on the outer edges of the lower end surfaces of the bending pressure plates on the corresponding sides; the position of the arc sliding block in the arc sliding cavity is fixed by multiple groups of fastening bolts, and when the bending push plate drives the plate to bend and squeezes the pressure switch, the pressure switch controls the bending push plate to stop rotating, thereby completing the limiting of the bending angle of the bending push plate, and by adjusting the position of the arc sliding block in the arc sliding cavity, the spatial position of the pressure switch is changed to limit the maximum rotation angle of the bending push plate, thereby improving the practicability of the device.

[0010] Preferably, the conveying device includes a lifting platform, an electric cylinder, a C-shaped mounting frame and supporting rollers. A plurality of groups of rectangular holes are arranged in the middle of the upper end surface of the processing table, a plurality of groups of electric cylinders are installed in the middle of the lower end surface of the processing table, the upper end surface of the lifting platform is respectively connected to the movable ends of the plurality of groups of electric cylinders, a plurality of groups of C-shaped mounting frames are installed on the upper end surface of the lifting platform through a plurality of groups of brackets, supporting rollers are horizontally installed on the C-shaped mounting frames, and the plurality of groups of supporting rollers are all located at the lower side of the plurality of groups of rectangular holes on the processing table; the plurality of groups of electric cylinders are controlled to contract so that the plurality of groups of supporting rollers pass through the rectangular holes on the processing table to the upper side of the processing table, support is provided to the plates by the plurality of groups of supporting rollers, and the transportation of the plates by the operators is convenient, the labor intensity of the operators during the loading and unloading of the plates is reduced, and the practicability of the device is improved.

[0011] Preferably, it also includes a brush rack and bristles. The brush rack is installed on the lower end surface of the C-shaped mounting frame by bolts, and the bristles are arranged on the upper end surface of the brush rack. The bristles on the brush rack are used to clean the metal debris on the side of the supporting roller, thereby reducing the scratches on the surface of the plate caused by the residue on the upper surface of the supporting roller. The brush rack is fixed to the C-shaped mounting frame by bolts to facilitate the replacement and maintenance of the brush rack, thereby improving the practicability of the device.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the edge of the bending area of ​​the plate is fixed by a fixing device to cooperate with the bending push plate to complete the bending of the plate; the maximum bending angle of the bending push plate is limited by the angle adjustment device to facilitate the adjustment of the bending angle of the plate; the conveying device is convenient for the operator to adjust the position of the plate on the processing table, thereby reducing the labor intensity of the operator during the input and output of the plate and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a first cross-sectional structural schematic diagram of the utility model;

[0015] Figure 3 It is a second cross-sectional structural schematic diagram of the utility model;

[0016] Figure 4 It is a third cross-sectional structural schematic diagram of the utility model;

[0017] Figure 5 It is a fourth cross-sectional structural schematic diagram of the utility model;

[0018] Figure 6 It is a partial enlarged structural schematic diagram of the utility model;

[0019] Markings in the attached drawings: 1. Frame; 2. Processing table; 3. Bending push plate; 4. Hydraulic cylinder; 5. Press frame; 6. Bending pressure plate; 7. High-strength bolts; 8. Limit sleeve; 9. Limit light rod; 10. Arc sliding cavity; 11. Arc sliding block; 12. Pressure switch; 13. Fastening bolt; 14. Lifting platform; 15. Electric cylinder; 16. C-shaped mounting frame; 17. Support roller; 18. Brush rack; 19. Brush. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The fixing device shown is installed on the frame 1, the angle adjustment device is installed on the fixing device, and the conveying device is installed on the processing table 2;

[0022] First, the multiple groups of electric cylinders 15 are controlled to contract so that the multiple groups of supporting rollers 17 pass through the rectangular holes on the processing table 2 to the upper side of the processing table 2, and the multiple groups of supporting rollers 17 provide support for the plate. After the operator pushes the plate to the processing area, the multiple groups of electric cylinders 15 are controlled to extend so that the supporting rollers 17 fall back to the lower side of the processing table 2. Then, the hydraulic cylinder 4 is controlled to extend so that the lower parts of the two groups of bending pressure plates 6 squeeze and fix the bending area of ​​the plate on the processing table 2, and then the bending push plate 3 is driven to rotate and rotate the outer part of the plate upward to bend the plate. During the processing, the position of the arc slider 11 in the arc slide cavity 10 is adjusted according to the bending demand. When the bending push plate 3 drives the plate to bend and squeezes the pressure switch 12, the pressure switch 12 controls the bending push plate 3 to stop rotating.

[0023] The fixing device includes a hydraulic cylinder 4, a press frame 5, a bending press plate 6 and a high-strength bolt 7. The hydraulic cylinder 4 is installed on the top surface of the frame 1, and the press frame 5 is connected to the movable end of the hydraulic cylinder 4. A group of bending press plates 6 are fixed to the left and right parts of the lower end surface of the press frame 5 respectively through high-strength bolts 7. The outer edges of the two groups of bending press plates 6 are on the same vertical plane as the left and right side edges of the processing table 2.

[0024] It also includes a limiting sleeve 8 and a limiting light rod 9. A group of limiting light rods 9 are vertically installed at the front and rear of the upper end of the press frame 5, and a group of limiting sleeves 8 are vertically arranged at the front and rear of the top end of the frame 1. The upper parts of the two groups of limiting light rods 9 are inserted into the corresponding two groups of limiting sleeves 8.

[0025] The angle adjustment device includes an arc sliding cavity 10, an arc slider 11, a pressure switch 12 and a fastening bolt 13. The left and right parts of the pressing frame 5 are respectively provided with a group of arc sliding cavities 10, and a group of arc sliders 11 are respectively provided in the two groups of arc sliding cavities 10. Multiple groups of pressure switches 12 are provided on the outer surface of the arc slider 11. Multiple groups of fastening bolts 13 are respectively provided on the left and right parts of the front and rear end surfaces of the pressing frame 5. The center of the arc sliding cavity 10 and the arc slider 11 are located on the outer edge of the lower end surface of the bending pressing plate 6 on the corresponding side;

[0026] The conveying device includes a lifting platform 14, an electric cylinder 15, a C-shaped mounting frame 16 and a supporting roller 17. A plurality of rectangular holes are arranged in the middle of the upper end surface of the processing table 2. A plurality of electric cylinders 15 are installed in the middle of the lower end surface of the processing table 2. The upper end surface of the lifting platform 14 is respectively connected to the moving ends of the plurality of electric cylinders 15. A plurality of C-shaped mounting frames 16 are installed on the upper end surface of the lifting platform 14 through a plurality of brackets. Support rollers 17 are horizontally installed on the C-shaped mounting frames 16. The plurality of supporting rollers 17 are all located at the lower side of the plurality of rectangular holes on the processing table 2.

[0027] It also includes a brush frame 18 and bristles 19. The brush frame 18 is installed on the lower end surface of the C-shaped mounting frame 16 by bolts, and the bristles 19 are arranged on the upper end surface of the brush frame 18.

[0028] The edge of the bending area of ​​the plate is fixed by a fixing device to cooperate with the bending push plate 3 to complete the bending of the plate. The maximum bending angle of the bending push plate 3 is limited by the angle adjustment device to facilitate the adjustment of the bending angle of the plate. The conveying device is convenient for the operator to adjust the position of the plate on the processing table 2, which reduces the labor intensity of the operator during the input and output of the plate and improves the practicality of the device.

[0029] The hydraulic cylinder 4, electric cylinder 15 and pressure switch 12 of the bending angle adjustment device of a cold bending forming machine of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A bending angle adjustment device for a cold roll forming machine, comprising a frame (1), a processing table (2) and a bending push plate (3), wherein the processing table (2) is installed in the middle of the frame (1), and the edges of the left and right end surfaces of the processing table (2) are respectively connected to a group of bending push plates (3) through a rotating structure, and the bending push plates (3) are driven to rotate by a hydraulic cylinder; characterized in that: It comprises a fixing device, an angle adjusting device and a conveying device, wherein the fixing device is mounted inside a frame (1), the angle adjusting device is mounted on the fixing device, and the conveying device is mounted on a processing table (2).

2. A bending angle adjustment device for a cold roll forming machine as claimed in claim 1, characterized in that: The fixing device comprises a hydraulic cylinder (4), a pressing frame (5), a bending pressing plate (6) and a high-strength bolt (7). The hydraulic cylinder (4) is installed on the inner top surface of the frame (1). The pressing frame (5) is connected to the movable end of the hydraulic cylinder (4). A group of bending pressing plates (6) are fixed to the left and right parts of the lower end surface of the pressing frame (5) respectively by high-strength bolts (7). The outer edges of the two groups of bending pressing plates (6) are on the same vertical plane as the left and right side edges of the processing table (2).

3. A bending angle adjustment device for a cold roll forming machine as claimed in claim 2, characterized in that: It also includes a limiting sleeve (8) and a limiting light rod (9), wherein a group of limiting light rods (9) are respectively vertically installed at the front and rear of the upper end of the press frame (5), and a group of limiting sleeves (8) are respectively vertically arranged at the front and rear of the top end of the frame (1), and the upper parts of the two groups of limiting light rods (9) are inserted into the corresponding two groups of limiting sleeves (8).

4. A bending angle adjustment device for a cold roll forming machine as claimed in claim 2, characterized in that: The angle adjustment device comprises an arc sliding cavity (10), an arc slider (11), a pressure switch (12) and a fastening bolt (13); a group of arc sliding cavities (10) are respectively arranged on the left and right parts of the pressing frame (5); a group of arc sliders (11) are respectively arranged in the two groups of arc sliding cavities (10); a plurality of groups of pressure switches (12) are arranged on the outer surface of the arc sliders (11); a plurality of groups of fastening bolts (13) are respectively arranged on the left and right parts of the front and rear end surfaces of the pressing frame (5); and the center of the arc sliding cavity (10) and the arc slider (11) are located on the outer edge of the lower end surface of the bending pressure plate (6) on the corresponding side.

5. The bending angle adjustment device for a cold roll forming machine according to claim 1, characterized in that: The conveying device comprises a lifting platform (14), an electric cylinder (15), a C-shaped mounting frame (16) and a supporting roller (17); a plurality of rectangular holes are arranged in the middle of the upper end surface of the processing table (2); a plurality of electric cylinders (15) are installed in the middle of the lower end surface of the processing table (2); the upper end surface of the lifting platform (14) is respectively connected to the movable ends of the plurality of electric cylinders (15); a plurality of C-shaped mounting frames (16) are installed on the upper end surface of the lifting platform (14) via a plurality of brackets; supporting rollers (17) are horizontally installed on the C-shaped mounting frame (16); and the plurality of supporting rollers (17) are all located below the plurality of rectangular holes on the processing table (2).

6. A bending angle adjustment device for a cold roll forming machine as claimed in claim 5, characterized in that: It also comprises a brush frame (18) and bristles (19); the brush frame (18) is mounted on the lower end surface of the C-shaped mounting frame (16) via bolts, and the bristles (19) are arranged on the upper end surface of the brush frame (18).

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