Automatic bending machine for circular tube
Patent Information
- Application Number
- CN202420715193.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-09
Smart Images
Figure CN222587754U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pipe bending machines, in particular to an automatic round pipe bending machine. Background Art
[0002] The pipe bending machine is mainly used for bending steel pipes for power construction, boilers, bridges, ships, furniture, and installations. It has the advantages of multiple functions, reasonable structure, and simple operation. In addition to the pipe bending function, the oil cylinder can also be used as a hydraulic jack. Compared with CNC pipe bending equipment, it has the characteristics of low price and easy use, and occupies a leading position in the domestic pipe machine market.
[0003] Pipe bending machines generally include electric pipe bending machines and hydraulic pipe bending machines. At present, when bending a round pipe, a driving device is used to drive the bending pin to rotate, and the fixing pin is used to realize automatic bending of the round pipe. However, the round pipe after bending is easy to get stuck in the grooves of the bending pin and the fixing pin, which makes it inconvenient for workers to take out the material and affects the efficiency of round pipe bending.
[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content
[0005] In view of the above defects, the utility model provides an automatic round tube bending machine to solve the problem of automatic round tube bending.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An automatic round tube bending machine comprises a bending machine body and a mounting groove opened inside the bending machine body, a bending mechanism is arranged in the mounting groove, and a material taking mechanism is arranged at the front end of the bending machine body;
[0008] The bending mechanism includes a hydraulic cylinder, a push plate, a sliding plate, a bar tooth, a group of transmission gears, a group of connecting plates and a group of relative bending pins. The hydraulic cylinder is installed on the right side of the upper end of the bending body, and the telescopic end is vertically facing upward. The push plate is installed on the telescopic end of the hydraulic cylinder. The sliding plate is movably inserted into the right side of the mounting groove, and the upper end is connected to the push plate. The bar tooth is opened on the left side of the sliding plate. A group of transmission gears is movably installed in the center of the mounting groove. A group of connecting plates is fixedly installed at the front end of a group of transmission gears. A group of relative bending pins is installed at the upper end of a group of connecting plates.
[0009] Furthermore, the material picking mechanism includes a stepper motor, a group of relative worms, a group of rotating shafts, a group of worm wheels and a group of fixing pins. The stepper motor is horizontally installed on the right side of the rear end of the bending body, a group of relative worms are movably installed on the rear end of the bending body, and a worm on the right side is connected to the rotating end of the stepper motor, a group of rotating shafts are movably inserted in the center of a group of transmission gears, a group of worm wheels are installed at the rear end of a group of rotating shafts and are respectively engaged with the corresponding worms, and a group of fixing pins are installed at the front end of a group of rotating shafts.
[0010] Furthermore, a group of relative worm gears are connected through a coupling, and a group of fixing pins are respectively provided with fan-shaped bending grooves on the top.
[0011] Furthermore, a strip-shaped slide groove is provided on the right side of the installation groove, and the right side of the sliding plate is slidably installed in the strip-shaped slide groove.
[0012] Furthermore, a set of transmission gears are meshed with each other, and the right transmission gear is meshed with the bar teeth.
[0013] Furthermore, a group of guide grooves corresponding to a group of relative bending pins are formed on both sides of the front end of the bending machine body.
[0014] The utility model provides an automatic round tube bending machine, which has the following beneficial effects: a bending mechanism located in an installation groove uses a hydraulic cylinder to drive a group of relative bending pins to rotate relative to each other, so that the two ends of the round tube can be bent synchronously. After the round tube is bent, the hydraulic cylinder drives a group of relative bending pins to reset. At the same time, a stepper motor drives a group of fixed pins to rotate 180 degrees, which is convenient for removing the bent round tube, thereby effectively improving the round tube bending efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of an automatic round tube bending machine described in the utility model.
[0016] Figure 2 This is a cross-sectional view of the bending machine body of the utility model.
[0017] Figure 3 The utility model is a schematic diagram of a group of transmission gears.
[0018] Figure 4 It is a rear view of the bending machine body of the utility model.
[0019] Figure 5 It is a schematic diagram of the rotation of a set of fixing pins of the utility model.
[0020] In the figure: 1. bending machine body; 2. mounting groove; 3. hydraulic cylinder; 4. pushing plate; 5. sliding plate; 6. bar teeth; 7. transmission gear; 8. connecting plate; 9. bending pin; 10. stepping motor; 11. worm; 12. rotating shaft; 13. worm wheel; 14. fixing pin; 15. coupling; 16. fan-shaped bending groove; 17. bar slide groove; 18. guide groove. DETAILED DESCRIPTION
[0021] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-5 As shown: an automatic round tube bending machine, including a bending machine body 1 and a mounting groove 2 opened inside the bending machine body 1, a bending mechanism is arranged in the mounting groove 2, and a material taking mechanism is arranged at the front end of the bending machine body 1; the bending mechanism includes a hydraulic cylinder 3, a push plate 4, a sliding plate 5, a bar tooth 6, a group of transmission gears 7, a group of connecting plates 8 and a group of relative bending pins 9, the hydraulic cylinder 3 is installed on the right side of the upper end of the bending machine body 1, and the telescopic end is vertically facing upward, the push plate 4 is installed on the telescopic end of the hydraulic cylinder 3, the sliding plate 5 is movably inserted into the right side of the mounting groove 2, and the upper end is connected to the push plate 4, the bar tooth 6 is opened on the left side of the sliding plate 5, a group of transmission gears 7 is movably installed at the center of the mounting groove 2, a group of connecting plates 8 is fixedly installed at the front end of a group of transmission gears 7, and a group of relative bending pins 9 is installed at the upper end of a group of connecting plates 8; the material taking mechanism includes a stepping motor 10, a group of relative worms 11, a group of rotating shafts 12 , a group of worm gears 13 and a group of fixing pins 14, the stepping motor 10 is horizontally installed on the right side of the rear end of the bending machine body 1, a group of relative worms 11 are movably installed at the rear end of the bending machine body 1, and a worm 11 on the right side is connected to the rotating end of the stepping motor 10, a group of rotating shafts 12 are movably inserted at the center of a group of transmission gears 7, a group of worm gears 13 are installed at the rear end of a group of rotating shafts 12, and are respectively meshed with the corresponding worms 11, and a group of fixing pins 14 are installed at the front end of a group of rotating shafts 12; a group of relative worms 11 are connected by a coupling 15, and a group of fixing pins 14 are respectively provided with fan-shaped bending grooves 16 on the top; a strip slide groove 17 is opened on the right side of the installation groove 2, and the sliding plate 5 is slidably installed in the strip slide groove 17 on the right side; a group of transmission gears 7 are meshed with each other, and the right transmission gear 7 is meshed with the strip teeth 6; a group of guide grooves 18 corresponding to a group of relative bending pins 9 are opened on both sides of the front end of the bending machine body 1.
[0022] Working principle of this embodiment: The electrical equipment used by the bending machine is controlled by an external controller. When using it, the user first inserts the round tube to be bent between a set of opposite bending pins 9 and a set of fixing pins 14;
[0023] When bending: the hydraulic cylinder 3 is installed on the right side of the upper end of the bending machine body 1, and the telescopic end is vertically facing upward, the pushing plate 4 is installed on the telescopic end of the hydraulic cylinder 3, the sliding plate 5 is movably inserted into the right side of the mounting groove 2, and the upper end is connected to the pushing plate 4, the bar tooth 6 is opened on the left side of the sliding plate 5, and a group of transmission gears 7 are movably installed at the center of the inner wall of the mounting groove 2 through a fastening bearing at the rear end, a group of connecting plates 8 are fixedly installed at the front end of a group of transmission gears 7, a group of relative bending pins 9 are installed at the upper end of a group of connecting plates 8, a strip slide 17 is opened on the right side of the mounting groove 2, and the right side of the sliding plate 5 is slidably installed in the strip slide 17, a group of transmission gears 7 are meshed with each other, and the right side transmission gear 7 is meshed with the bar tooth 6, a group of guide grooves 18 corresponding to a group of relative bending pins 9 are opened on both sides of the front end of the bending machine body 1, and a group of transmission gears 7 are opened at the center with a circular hole, such as Figure 2 — Figure 3 As shown, the telescopic end of the hydraulic cylinder 3 is retracted, and the bar teeth 6 on the sliding plate 5 drive a group of transmission gears 7 to rotate relatively. The group of transmission gears 7 drives a group of relative bending pins 9 to rotate relatively through a group of connecting plates 8. The rotation direction of the group of relative bending pins 9 is as shown in FIG. Figure 1 As shown, the two ends of the round tube can be bent synchronously. During bending, the position of a set of fixed pins 14 does not move. After the round tube is bent, the telescopic end of the hydraulic cylinder 3 extends, driving a set of relative bending pins 9 to reset.
[0024] When taking materials: the stepper motor 10 is horizontally installed on the right side of the rear end of the bending machine body 1, a group of relative worms 11 are movably installed on the rear end of the bending machine body 1 through a fastening bearing, and a worm 11 on the right side is connected to the rotating end of the stepper motor 10, a group of rotating shafts 12 are movably inserted in the installation groove 2 through a fastening bearing, and pass through the center of a group of transmission gears 7, a group of transmission gears 7 and a group of rotating shafts 12 do not interfere with each other, a group of worm wheels 13 are installed at the rear end of a group of rotating shafts 12, and are respectively meshed with the corresponding worms 11, a group of fixing pins 14 are installed at the front end of a group of rotating shafts 12, a group of relative worms 11 are connected by a coupling 15, and a group of fixing pins 14 are respectively provided with fan-shaped bending grooves 16 on the top, such as Figure 4 As shown, the stepper motor 10 rotates forward, and drives a set of relative worms 11 and a set of rotating shafts 12 to drive a set of fixed pins 14 to rotate 180 degrees. The rotation direction of the set of fixed pins 14 is as shown in FIG. Figure 5 As shown, it is convenient to remove the bent round tube, and the round tube bending efficiency is effectively improved.
[0025] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.
Claims
1. An automatic round tube bending machine, comprising a bending machine body (1) and a mounting groove (2) opened inside the bending machine body (1), characterized in that: A bending mechanism is provided in the installation groove (2), and a material taking mechanism is provided at the front end of the bending machine body (1); The bending mechanism comprises a hydraulic cylinder (3), a push plate (4), a sliding plate (5), a bar tooth (6), a group of transmission gears (7), a group of connecting plates (8) and a group of relative bending pins (9), wherein the hydraulic cylinder (3) is mounted on the right side of the upper end of the bending machine body (1), and the telescopic end is vertically upward, the push plate (4) is mounted on the telescopic end of the hydraulic cylinder (3), the sliding plate (5) is movably inserted into the right side of the mounting groove (2), and the upper end is connected to the push plate (4), the bar tooth (6) is opened on the left side of the sliding plate (5), a group of transmission gears (7) is movably mounted at the center of the mounting groove (2), a group of connecting plates (8) is fixedly mounted on the front end of the group of transmission gears (7), and a group of relative bending pins (9) is mounted on the upper end of the group of connecting plates (8).
2. The automatic round tube bending machine according to claim 1, characterized in that: The material taking mechanism comprises a stepping motor (10), a group of relative worms (11), a group of rotating shafts (12), a group of worm wheels (13) and a group of fixing pins (14), wherein the stepping motor (10) is horizontally mounted on the right side of the rear end of the bending machine body (1), a group of relative worms (11) is movably mounted on the rear end of the bending machine body (1), and a worm (11) on the right side is connected to the rotating end of the stepping motor (10), a group of rotating shafts (12) is movably inserted at the center of a group of transmission gears (7), a group of worm wheels (13) is mounted on the rear end of a group of rotating shafts (12) and respectively meshes with the corresponding worms (11), and a group of fixing pins (14) is mounted on the front end of a group of rotating shafts (12).
3. The automatic round tube bending machine according to claim 2, characterized in that: A group of opposite worms (11) are connected via a coupling (15), and a group of fixing pins (14) are respectively provided with fan-shaped bending grooves (16) at the top.
4. The automatic round tube bending machine according to claim 1, characterized in that: A strip-shaped slide groove (17) is provided on the right side of the installation groove (2), and the right side of the sliding plate (5) is slidably installed in the strip-shaped slide groove (17).
5. The automatic round tube bending machine according to claim 1, characterized in that: A set of transmission gears (7) mesh with each other, and the right transmission gear (7) meshes with the bar teeth (6).
6. The automatic round tube bending machine according to claim 1, characterized in that: A group of guide grooves (18) corresponding to a group of opposing bending pins (9) are formed on both sides of the front end of the bending machine body (1).