A bending mechanism for a secondary bending complex arc bending machine

Abstract

The utility model relates to the technical field of bending machines, and discloses a bending mechanism for a secondary bending complex arc bending machine, including a workbench, the upper surface of the workbench is fixedly connected to a bracket, the outer wall of the bracket is fixedly connected to a support plate, the inner wall of the bracket is rotatably connected to a threaded column, the outer wall of the threaded column is fixedly connected to a handle, the outer wall of the threaded column is threadedly connected to a threaded block, the outer wall of the threaded block is rotatably connected to a first linkage column, the inner wall of the first linkage column is rotatably connected to a second linkage column, the outer wall of the threaded column is slidably connected to a slider, and the outer wall of the slider is rotatably connected to the inner wall of the second linkage column. In the utility model, the handle drives the threaded column to rotate, the threaded block drives the first linkage column to rotate, and the second linkage column drives the slider to rotate and then drives the angle adjustment of the bending knife body, so as to achieve the effect of flexibly adjusting the angle of the mechanism according to the complex curve shape of the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a bending mechanism for a secondary bending complex arc bending machine. Background Art

[0002] A bending machine is a mechanical device used to bend metal sheets. It bends metal sheets into the desired shape through mechanical force or hydraulic pressure. Usually, a bending machine consists of a frame, a workbench, an upper die, a lower die and a hydraulic system. Its working principle is to use the pressure of the upper and lower dies to make the metal sheet produce plastic deformation at the bending point, thereby achieving the desired bending shape. During the working process of the bending machine, the operator adjusts the machine parameters such as bending angle, bending length and bending position as needed to achieve precise processing requirements.

[0003] However, the existing bending machine cannot adjust the angle of the tool, resulting in the lack of the function of secondary bending with complex arcs. Therefore, a bending mechanism for a secondary bending with complex arcs bending machine is proposed. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a bending mechanism for a secondary bending complex arc bending machine, aiming to improve the problem that the existing bending machine cannot adjust the angle of the tool, resulting in it not having the function of secondary bending complex arc.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bending mechanism for a secondary bending complex arc bending machine comprises a workbench, the upper surface of the workbench is fixedly connected to a bracket, the outer wall of the bracket is fixedly connected to a support plate, the inner wall of the bracket is rotatably connected to a threaded column, the outer wall of the threaded column is fixedly connected to a handle, the outer wall of the threaded column is threadedly connected to a threaded block, the outer wall of the threaded block is rotatably connected to a first linkage column, the inner wall of the first linkage column is rotatably connected to a second linkage column, the outer wall of the threaded column is slidably connected to a slider, the outer wall of the slider is rotatably connected to the inner wall of the second linkage column, the outer wall of the support plate is fixedly connected to a support column, the outer wall of the support column is rotatably connected to the inner wall of the second linkage column, and a support assembly is provided on the lower surface of the second linkage column.

[0007] Preferably, the support assembly comprises a pillar, an outer wall of the pillar is fixedly connected to the lower surface of the second linkage pillar, and a fixing plate is fixedly connected to the outer wall of the pillar.

[0008] Preferably, the inner wall of the support is rotatably connected to a first connecting shaft, and the outer wall of the first connecting shaft is fixedly connected to a connecting plate.

[0009] Preferably, a pressure plate is fixedly connected to the outer wall of the connecting plate, and a second connecting shaft is rotatably connected to the inner wall of the supporting column.

[0010] Preferably, the outer wall of the second connecting shaft is fixedly connected to a first sleeve, and the outer wall of the first sleeve is fixedly connected to a screw rod.

[0011] Preferably, a second sliding groove is provided inside the pressing plate, and the outer wall of the screw rod is slidably connected to the inside of the second sliding groove.

[0012] Preferably, the outer wall of the screw rod is threadedly connected to a second sleeve, and the outer wall of the second sleeve is slidably connected to the outer wall of the pressure plate.

[0013] Preferably, a bending knife body is provided on the outer wall of the pressure plate, and the bending knife body is provided on the outer wall of the fixing plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the handle drives the threaded column to rotate, the threaded column drives the threaded block to slide, the threaded block drives the first linkage column to rotate, the first linkage column drives the second linkage column to rotate, the second linkage column drives the slider to rotate, and the second linkage column drives the bending knife body to adjust the angle, so as to achieve the effect of flexibly adjusting the angle of the mechanism according to the complex curve shape of the workpiece to meet the bending requirements of different shapes.

[0016] 2. In the utility model, the second sleeve is rotated to press the pressure plate, the second sleeve drives the screw rod to slide, the pressure plate drives the connecting plate to rotate, the connecting plate drives the first connecting shaft to rotate, the screw rod drives the first sleeve to rotate, the first sleeve drives the second connecting shaft to rotate, and the pressure plate clamps and fixes the bending knife body, so that the appropriate tool can be selected according to different processing requirements to adapt to the processing of workpieces of different shapes, sizes and materials.

[0017] 3. In the utility model, rotating the handle drives the threaded column to rotate, the threaded column drives the threaded block to slide, the threaded block drives the first linkage column to rotate, the first linkage column drives the second linkage column to rotate, the second linkage column drives the slider to rotate, and the second linkage column drives the bending knife body to adjust the angle, thereby avoiding excessive bending or insufficient bending, reducing material waste and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a bending mechanism for a secondary bending complex arc bending machine proposed by the utility model;

[0019] Figure 2 It is a schematic diagram of the first linkage column of a bending mechanism for a secondary bending complex arc bending machine proposed by the utility model;

[0020] Figure 3 It is a schematic diagram of a bending knife body of a bending mechanism for a secondary bending complex arc bending machine proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the first connecting axis of a bending mechanism for a secondary bending complex arc bending machine proposed by the utility model.

[0022] Legend:

[0023] 1. Workbench; 2. Bracket; 3. Support plate; 4. Threaded column; 5. Handle; 6. Threaded block; 7. First linkage column; 8. Second linkage column; 9. Slider; 10. Support column; 11. Pillar; 12. First connecting shaft; 13. Connecting plate; 14. Pressing plate; 15. Second connecting shaft; 16. First sleeve; 17. Screw rod; 18. Second slide groove; 19. Second sleeve; 20. Fixed plate; 21. Bending knife body. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1 - Figure 2 , the utility model provides an embodiment: a bending mechanism for a secondary bending complex arc bending machine, including a workbench 1, the upper surface of the workbench 1 is fixedly connected with a bracket 2, the outer wall of the bracket 2 is fixedly connected with a support plate 3, the inner wall of the bracket 2 is rotatably connected with a threaded column 4, the outer wall of the threaded column 4 is fixedly connected with a handle 5, the outer wall of the threaded column 4 is threadedly connected with a threaded block 6, the outer wall of the threaded block 6 is rotatably connected with a first linkage column 7, the inner wall of the first linkage column 7 is rotatably connected with a second linkage column 8, the outer wall of the threaded column 4 is slidably connected with a slider 9, the outer wall of the slider 9 is rotatably connected to the inner wall of the second linkage column 8, the outer wall of the support plate 3 is fixedly connected with a support column 10, the outer wall of the support column 10 is rotatably connected to the inner wall of the second linkage column 8, and the lower surface of the second linkage column 8 is provided with a support assembly;

[0026] Specifically, the handle 5 is rotated, and the rotation of the handle 5 drives the threaded column 4 to rotate. When the threaded column 4 rotates, it drives the threaded block 6 to slide. When the threaded block 6 slides, it drives the first linkage column 7 to rotate. When the first linkage column 7 rotates, it drives the second linkage column 8 to rotate. When the second linkage column 8 rotates, it drives the slider 9 to rotate. The second linkage column 8 moves under the support of the support column 10 and drives the bending knife body 21 to adjust the angle, thereby achieving the effect of making the mechanism rotate at multiple angles.

[0027] Reference Figure 3 - Figure 4 The support assembly includes a pillar 11, the outer wall of the pillar 11 is fixedly connected to the lower surface of the second linkage pillar 8, and the outer wall of the pillar 11 is fixedly connected to a fixing plate 20; the inner wall of the pillar 11 is rotatably connected to a first connecting shaft 12, and the outer wall of the first connecting shaft 12 is fixedly connected to a connecting plate 13; the outer wall of the connecting plate 13 is fixedly connected to a pressing plate 14, and the inner wall of the pillar 11 is rotatably connected to a second connecting shaft 15; the outer wall of the second connecting shaft 15 is fixedly connected to a first sleeve 16, and the outer wall of the first sleeve 16 is fixedly connected to a screw rod 17;

[0028] Specifically, the second sleeve 19 is rotated, the second sleeve 19 presses down the pressure plate 14, and then drives the screw rod 17 to slide on the inner wall of the second slide groove 18. When the pressure plate 14 moves, it drives the connecting plate 13 to rotate. When the connecting plate 13 rotates, it drives the outer wall of the first connecting shaft 12 to rotate on the inner wall of the pillar 11.

[0029] Reference Figure 3 - Figure 4 A second slide groove 18 is provided inside the pressing plate 14, and the outer wall of the screw rod 17 is slidably connected to the inside of the second slide groove 18; a second sleeve 19 is threadedly connected to the outer wall of the screw rod 17, and the outer wall of the second sleeve 19 is slidably connected to the outer wall of the pressing plate 14; a bending knife body 21 is provided on the outer wall of the pressing plate 14, and the bending knife body 21 is provided on the outer wall of the fixing plate 20;

[0030] Specifically, when the screw rod 17 slides, it drives the first sleeve 16 at one end thereof to rotate. When the first sleeve 16 rotates, it drives the second connecting shaft 15 to rotate on the inner wall of the support 11, and the pressure plate 14 clamps and fixes the bending knife body 21.

[0031] Working principle: When the mechanism is needed, first place the bending knife body 21 on the outer wall of the fixed plate 20, and then rotate the second sleeve 19 on the outer wall of the screw rod 17. When the inner wall of the second sleeve 19 rotates on the outer wall of the screw rod 17, the pressing plate 14 will be pressed down. When the outer wall of the second sleeve 19 presses down the pressing plate 14, the outer wall of the screw rod 17 will be driven to slide on the inner wall of the second slide groove 18. When the pressing plate 14 is pressed up by the second sleeve 19 to move, the connecting plate 13 on its outer wall will be driven to rotate. When the connecting plate 13 rotates, the first connecting shaft 12 on its inner wall will be driven to rotate. The first connecting shaft 12 The outer wall of the support 11 rotates on the inner wall of the support 11, and when the outer wall of the screw rod 17 slides inside the second slide groove 18, it drives the first sleeve 16 at one end thereof to rotate. When the first sleeve 16 is driven to rotate by the screw rod 17, it drives the second connecting shaft 15 of its inner wall to rotate. The outer wall of the second connecting shaft 15 rotates on the inner wall of the support 11. When the outer wall of the pressing plate 14 slides to the outer wall of the bending knife body 21, it is clamped and fixed, so that the effect of replacing the bending knife body 21 can be achieved. First, the handle 5 on the outer wall of the threaded column 4 is rotated. When the handle 5 rotates, the threaded column 4 on its outer wall is driven to rotate. Rotation, when the outer wall of the threaded column 4 rotates on the inner wall of the bracket 2, it will drive the threaded block 6 on its outer wall to slide, when the inner wall of the threaded block 6 slides on the outer wall of the threaded column 4, it will drive the first linkage column 7 on its outer wall to rotate, when the inner wall of the first linkage column 7 rotates on the outer wall of the threaded block 6, it will drive the second linkage column 8 on its inner wall to rotate, when the outer wall of the second linkage column 8 rotates on the inner wall of the first linkage column 7, its inner wall will also rotate on the outer wall of the support column 10, when the second linkage column 8 rotates, it drives the slider 9 on its inner wall to rotate, and the inner wall of the slider 9 rotates on the outer wall of the threaded column 4 Finally, the second linkage column 8 moves under the support of the support column 10 and drives the bending knife body 21 of its outer wall to adjust the angle, so that it can not only flexibly adjust the angle of the mechanism according to the complex curve shape of the workpiece, meet the bending requirements of different shapes, and ensure the processing accuracy and quality, but also select suitable tools according to different processing requirements, so as to adapt to the processing of workpieces of different shapes, sizes and materials, and improve the flexibility and adaptability of processing. Finally, the angle adjustment can also avoid excessive or insufficient bending, thereby reducing material waste and saving costs.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bending mechanism for a secondary bending complex arc bending machine, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected with a bracket (2), the outer wall of the bracket (2) is fixedly connected with a support plate (3), the inner wall of the bracket (2) is rotatably connected with a threaded column (4), the outer wall of the threaded column (4) is fixedly connected with a handle (5), the outer wall of the threaded column (4) is threadedly connected with a threaded block (6), the outer wall of the threaded block (6) is rotatably connected with a first linkage column (7), the inner wall of the first linkage column (7) is rotatably connected with a second linkage column (8), the outer wall of the threaded column (4) is slidably connected with a slider (9), the outer wall of the slider (9) is rotatably connected to the inner wall of the second linkage column (8), the outer wall of the support plate (3) is fixedly connected with a support column (10), the outer wall of the support column (10) is rotatably connected to the inner wall of the second linkage column (8), and a support assembly is arranged on the lower surface of the second linkage column (8).

2. According to claim 1, a bending mechanism for a secondary bending complex arc bending machine is characterized by: The support assembly comprises a pillar (11), the outer wall of the pillar (11) is fixedly connected to the lower surface of the second linkage pillar (8), and the outer wall of the pillar (11) is fixedly connected to a fixing plate (20).

3. The bending mechanism for a secondary bending complex arc bending machine according to claim 2, characterized in that: The inner wall of the support (11) is rotatably connected to a first connecting shaft (12), and the outer wall of the first connecting shaft (12) is fixedly connected to a connecting plate (13).

4. The bending mechanism for a secondary bending complex arc bending machine according to claim 3, characterized in that: The outer wall of the connecting plate (13) is fixedly connected to a pressing plate (14), and the inner wall of the supporting column (11) is rotatably connected to a second connecting shaft (15).

5. The bending mechanism for a secondary bending complex arc bending machine according to claim 4, characterized in that: The outer wall of the second connecting shaft (15) is fixedly connected to a first sleeve (16), and the outer wall of the first sleeve (16) is fixedly connected to a screw rod (17).

6. The bending mechanism for a secondary bending complex arc bending machine according to claim 5, characterized in that: A second sliding groove (18) is provided inside the pressing plate (14), and the outer wall of the screw rod (17) is slidably connected inside the second sliding groove (18).

7. The bending mechanism for a secondary bending complex arc bending machine according to claim 6, characterized in that: The outer wall of the screw rod (17) is threadedly connected to a second sleeve (19), and the outer wall of the second sleeve (19) is slidably connected to the outer wall of the pressure plate (14).

8. The bending mechanism for a secondary bending complex arc bending machine according to claim 7, characterized in that: The outer wall of the pressing plate (14) is provided with a bending knife body (21), and the bending knife body (21) is arranged on the outer wall of the fixing plate (20).

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