Rotary bending mechanism for plate bending machine
By designing a rotary bending mechanism for a plate bending machine, the combination of hydraulic cylinders and servo motors has been used to solve the shortcomings in angle control and thickness adjustment of existing plate bending machines, achieving more accurate bending and better applicability.
Patent Information
- Application Number
- CN202421738912.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-22
AI Technical Summary
When used, existing plate bending machines are not easy to control the bending angle, have poor applicability, and are not easy to adjust according to the thickness of the plate, which easily leads to changes in the position of the plate and affects the bending effect.
A rotary bending mechanism is designed, including flat plates, support plates, fixed shafts, ring gears, T-shaped slides and T-shaped slides. Through the cooperation of hydraulic cylinders and servo motors, precise control of bending angles and flexible adjustment of plate thickness are achieved, and the hydraulic cylinders are used to drive the pressure plates to move up and down to fix the plates.
It realizes precise control of the bending angle, which is convenient for adjusting according to the thickness of the board, ensuring the fixedness of the board during bending, and improving the applicability and simplicity of the bending machine.
Smart Images

Figure CN222790259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plate bending machines, in particular to a rotary bending mechanism used for plate bending machines. Background Art
[0002] Plates are a type of material that frequently appears in the existing industry, including in people's daily lives. They can be bent into different angles and shapes according to needs. For the bending process of plates, various methods such as casting and stamping can be used. In the prior art, stamping technology is usually used to bend the plate into the required angle. A bending machine is a machine that can bend plates, which usually includes a positioning machine, a pressing device and a bending device.
[0003] The existing plate bending machine is not easy to control the bending angle when in use, and it is not easy to adjust according to the thickness of the plate, and the applicability is poor;
[0004] In addition, it is difficult to fix the plate when the existing bending machine is in use, and the position of the plate is easily changed when the plate is subjected to force, thus affecting the bending effect. Summary of the invention
[0005] In order to solve the problems in the above-mentioned background technology, the utility model proposes a rotary bending mechanism for a plate bending machine, which has precise control over the bending angle, is convenient for adjustment according to the thickness of the plate, and is convenient for fixing the plate.
[0006] The utility model is implemented as follows: a rotary bending mechanism for a plate bending machine comprises a flat plate, the upper end surface of the flat plate is fixedly connected to two symmetrically distributed supporting plates, opposite sides of the two supporting plates are fixedly connected to fixed shafts, and a bending plate is fixedly connected between the two fixed shafts;
[0007] The outer wall of the fixed shaft is rotatably connected with a gear ring, the side wall of the gear ring is provided with a T-shaped slot, the interior of the T-shaped slot is slidably connected with a T-shaped slider, one end of the T-shaped slider extends to the outside of the T-shaped slot and is fixedly connected with a mounting plate, a rotating shaft is rotatably connected between the two mounting plates, and a bending roller is fixedly connected to the outer wall of the rotating shaft;
[0008] A shaft located in front of the fixed shaft is rotatably connected between the two support plates, and the outer wall of the shaft is fixedly connected to two driving gears meshing with the gear ring;
[0009] A placement plate located behind the bending plate is fixedly connected between the two support plates, and a metal plate is placed on the upper end surface of the placement plate.
[0010] In order to facilitate the up and down movement of the pressing plate, as a preferred rotating bending mechanism for a sheet metal bending machine of the utility model, the upper end surfaces of the two support plates are fixedly connected to a support frame, the interior of the support frame is fixedly connected to a second hydraulic cylinder, and the output end of the second hydraulic cylinder is fixedly connected to a pressing plate located directly above the metal plate.
[0011] In order to facilitate the adjustment of the bending angle, as a preferred rotary bending mechanism for a plate bending machine of the utility model, one end of the bending plate is arranged at the axis center of the fixed shaft.
[0012] In order to drive the rotating shaft to rotate, as a preferred rotary bending mechanism for a plate bending machine of the utility model, a servo motor is installed on the side wall of the support plate, and the output end of the servo motor passes through the support plate and is fixedly connected to the shaft rod.
[0013] In order to enable the T-shaped slide block to move inside the T-shaped slide groove, as a preferred rotary bending mechanism for a plate bending machine of the utility model, a first hydraulic cylinder is installed between the inside of the T-shaped slide groove and the T-shaped slide block.
[0014] In order to facilitate the control of the utility model, as a preferred embodiment of the rotary bending mechanism of the utility model for a plate bending machine, a control switch is fixedly connected to the side wall of the support plate.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The utility model drives the T-shaped sliding block to move inside the T-shaped slide groove by extending and retracting the output end of the first hydraulic cylinder, thereby changing the distance between the bending roller and the bending plate, so that the device can be suitable for metal sheets of different thicknesses. One end of the metal sheet is inserted between the bending plate and the bending roller, so that the upper and lower ends of the metal sheet are in close contact with the bending plate and the bending roller respectively, and the operation is simpler.
[0017] In addition, the utility model drives the rotating shaft to rotate through the output end of the servo motor, so that the driving gear engages with the gear ring, drives the gear ring to rotate, and causes the mounting plate to drive the rotating shaft and the bending roller to rotate with the gear ring, thereby bending the part of the metal sheet extending to one end of the bending plate, and controlling the bending angle of the metal sheet by rotating the gear ring, making the bending angle easier to control and more precise.
[0018] In the utility model, the output end of the second hydraulic cylinder 15 drives the pressing plate 16 to move up and down, and the metal plate 18 is fixed on the upper end of the placing plate 17 by the pressing plate 16, so the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a main perspective structural diagram of the utility model;
[0020] Figure 2 It is a cross-sectional three-dimensional structural diagram of the utility model;
[0021] Figure 3 This is a front view structural schematic diagram of the utility model;
[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.
[0023] In the figure, 1. flat plate; 2. support plate; 3. fixed shaft; 4. gear ring; 5. T-shaped slide; 6. T-shaped slider; 7. mounting plate; 8. rotating shaft; 9. bending roller; 10. first hydraulic cylinder; 11. shaft; 12. driving gear; 13. servo motor; 14. support frame; 15. second hydraulic cylinder; 16. pressure plate; 17. placement plate; 18. metal sheet; 19. bending plate; 20. control switch. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0026] See also Figure 1-4 A rotary bending mechanism for a plate bending machine comprises a flat plate 1, the upper end surface of the flat plate 1 is fixedly connected to two symmetrically distributed supporting plates 2, opposite sides of the two supporting plates 2 are fixedly connected to fixed shafts 3, and a bending plate 19 is fixedly connected between the two fixed shafts 3;
[0027] The outer wall of the fixed shaft 3 is rotatably connected with a gear ring 4, the side wall of the gear ring 4 is provided with a T-shaped slide groove 5, the inside of the T-shaped slide groove 5 is slidably connected with a T-shaped slider 6, one end of the T-shaped slider 6 extends to the outside of the T-shaped slide groove 5 and is fixedly connected with a mounting plate 7, a rotating shaft 8 is rotatably connected between the two mounting plates 7, and a bending roller 9 is fixedly connected to the outer wall of the rotating shaft 8;
[0028] A shaft 11 located in front of the fixed shaft 3 is rotatably connected between the two support plates 2, and two driving gears 12 meshing with the gear ring 4 are fixedly connected to the outer wall of the shaft 11;
[0029] A placement plate 17 located behind the bending plate 19 is fixedly connected between the two support plates 2 , and a metal plate 18 is placed on the upper end surface of the placement plate 17 .
[0030] In this embodiment: a metal sheet 18 is placed on the upper end of the placing plate 17, and the output end of the first hydraulic cylinder 10 is extended and retracted to drive the T-shaped slide block 6 to move inside the T-shaped slide groove 5, and the distance between the bending roller 9 and the bending plate 19 is changed, so that the device can be applied to metal sheets 18 of different thicknesses, and one end of the metal sheet 18 is inserted between the bending plate 19 and the bending roller 9, so that the upper and lower ends of the metal sheet 18 are in close contact with the bending plate 19 and the bending roller 9 respectively, and the operation is simpler;
[0031] The output end of the servo motor 13 drives the shaft 11 to rotate, so that the driving gear 12 is engaged with the ring gear 4, driving the ring gear 4 to rotate, and the mounting plate 7 drives the rotating shaft 8 and the bending roller 9 to rotate with the ring gear 4, and the part of the metal sheet 18 extending to one end of the bending plate 19 is bent. The bending angle of the metal sheet 18 is controlled by the rotation of the ring gear 4, making the bending angle easier to control and more accurate.
[0032] As a technical optimization solution of the utility model, the upper end surfaces of the two support plates 2 are fixedly connected with a support frame 14, the interior of the support frame 14 is fixedly connected with a second hydraulic cylinder 15, and the output end of the second hydraulic cylinder 15 is fixedly connected with a pressure plate 16 located directly above the metal plate 18.
[0033] In this embodiment, the pressure plate 16 is driven to move up and down by the output end of the second hydraulic cylinder 15 , and the metal plate 18 is fixed by the pressure plate 16 , which makes the operation more convenient.
[0034] As a technical optimization solution of the present invention, one end of the bending plate 19 is arranged at the axis of the fixed shaft 3 .
[0035] In this embodiment: the bending plate 19 and the bending roller 9 cooperate to change the angle of the metal sheet 18 for easy control.
[0036] As a technical optimization solution of the present invention, a servo motor 13 is installed on the side wall of the support plate 2 , and the output end of the servo motor 13 passes through the support plate 2 and is fixedly connected to the shaft rod 11 .
[0037] In this embodiment, the output end of the servo motor 13 drives the shaft 11 to rotate, so that the driving gear 12 is engaged with the ring gear 4, and the ring gear 4 is driven to rotate, which makes the operation simpler.
[0038] As a technical optimization solution of the present invention, a first hydraulic cylinder 10 is installed between the inside of the T-shaped slide groove 5 and the T-shaped sliding block 6 .
[0039] In this embodiment, the output end of the first hydraulic cylinder 10 is extended and retracted to drive the T-shaped sliding block 6 to move inside the T-shaped sliding groove 5, so that the operation is more convenient.
[0040] As a technical optimization solution of the present invention, a control switch 20 is fixedly connected to the side wall of the support plate 2 .
[0041] In this embodiment, the first hydraulic cylinder 10 , the servo motor 13 and the second hydraulic cylinder 15 are all electrically connected to the control switch 20 , and the driving is controlled by the control switch 20 , which makes the operation more convenient.
[0042] The working principle and use process of the utility model are as follows: first, a metal sheet 18 is placed on the upper end of the placing plate 17, and the output end of the first hydraulic cylinder 10 is extended and retracted to drive the T-shaped slide block 6 to move inside the T-shaped slide groove 5, thereby changing the distance between the bending roller 9 and the bending plate 19, so that the device can be applied to metal sheets 18 of different thicknesses;
[0043] Put one end of the metal sheet 18 between the bending plate 19 and the bending roller 9, so that the upper and lower ends of the metal sheet 18 are in close contact with the bending plate 19 and the bending roller 9 respectively, which makes the operation simpler;
[0044] Then, the pressure plate 16 is driven downward by the output end of the second hydraulic cylinder 15, and the metal plate 18 is fixed to the upper end of the placement plate 17 by the pressure plate 16, so that the operation is more convenient;
[0045] Then, the output end of the servo motor 13 drives the rotating shaft 8 to rotate, so that the driving gear 12 is meshed with the ring gear 4, driving the ring gear 4 to rotate, and the mounting plate 7 drives the rotating shaft 8 and the bending roller 9 to rotate with the ring gear 4, and the part of the metal sheet 18 extending to one end of the bending plate 19 is bent. The bending angle of the metal sheet 18 is controlled by the rotation of the ring gear 4, making the bending angle easier to control and more precise.
[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A rotary bending mechanism for a plate bending machine, comprising a plate (1), characterized in that: The upper end surface of the flat plate (1) is fixedly connected to two symmetrically distributed support plates (2), opposite sides of the two support plates (2) are fixedly connected to fixed shafts (3), and a bending plate (19) is fixedly connected between the two fixed shafts (3); The outer wall of the fixed shaft (3) is rotatably connected to a gear ring (4), the side wall of the gear ring (4) is provided with a T-shaped slide groove (5), the interior of the T-shaped slide groove (5) is slidably connected to a T-shaped slider (6), one end of the T-shaped slider (6) extends to the outside of the T-shaped slide groove (5) and is fixedly connected to a mounting plate (7), a rotating shaft (8) is rotatably connected between the two mounting plates (7), and a bending roller (9) is fixedly connected to the outer wall of the rotating shaft (8); A shaft (11) located in front of the fixed shaft (3) is rotatably connected between the two support plates (2), and the outer wall of the shaft (11) is fixedly connected to two driving gears (12) meshing with the gear ring (4); A placement plate (17) located behind the bending plate (19) is fixedly connected between the two support plates (2), and a metal plate (18) is placed on the upper end surface of the placement plate (17).
2. A rotary bending mechanism for a plate bending machine according to claim 1, characterized in that: The upper end surfaces of the two support plates (2) are fixedly connected to a support frame (14), the interior of the support frame (14) is fixedly connected to a second hydraulic cylinder (15), and the output end of the second hydraulic cylinder (15) is fixedly connected to a pressure plate (16) located directly above the metal plate (18).
3. The rotary bending mechanism for a plate bending machine according to claim 1, characterized in that: One end of the bending plate (19) is arranged at the axis center of the fixed shaft (3).
4. The rotary bending mechanism for a plate bending machine according to claim 1, characterized in that: A servo motor (13) is installed on the side wall of the support plate (2), and the output end of the servo motor (13) passes through the support plate (2) and is fixedly connected to the shaft rod (11).
5. The rotary bending mechanism for a plate bending machine according to claim 1, characterized in that: A first hydraulic cylinder (10) is installed between the interior of the T-shaped slide groove (5) and the T-shaped slide block (6).
6. The rotary bending mechanism for a plate bending machine according to claim 1, characterized in that: A control switch (20) is fixedly connected to the side wall of the support plate (2).