Round pipe bending tool

Abstract

The utility model discloses a round pipe bending tool which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with an extrusion head, and the inner surface of the bottom plate is fixedly connected with two supporting blocks. Through the hydraulic cylinder, the extrusion head, the motor and the positioning wheels, when a round pipe needs to be bent, the motor is started firstly, the started motor drives the two positioning wheels to be away from the extrusion head, then the round pipe is placed on the bottom plate making contact with the extrusion head, then the motor is started reversely, the positioning wheels make contact with the round pipe, and therefore the round pipe is fixed; then the hydraulic cylinder is started, so that the extrusion head can extrude the round pipe, bending of the round pipe is achieved, manual bending of the round pipe is not needed any more, time and labor are saved, under the action of the bearing groove, the distance between the positioning wheel and the extrusion head can be adjusted, and therefore the round pipe bending device can adapt to round pipes of different thicknesses and is high in practicability. And the practicability of the tool can be improved.

Description

Technical Field

[0001] The utility model relates to the field of round tube processing, in particular to a round tube bending tool. Background Art

[0002] Round tube refers to a material with openings at both ends and a hollow concentric cross-section, with a large ratio of length to circumference. It can be used for pipelines, thermal equipment, mechanical industry, petroleum geological drilling, containers, chemical industry and special purposes.

[0003] In the prior art, in order to facilitate the selection of different types of round tubes according to different needs, it is often necessary to bend the round tubes during the processing of the round tubes. However, the existing bending method is usually performed manually, which is time-consuming and labor-intensive. Therefore, a round tube bending tool is needed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a round tube bending tool, which uses a hydraulic cylinder, an extrusion head, a motor and a positioning wheel. When the round tube needs to be bent, the motor is started first, so that the started motor drives the two positioning wheels away from the extrusion head, and then the round tube is placed on a bottom plate in contact with the extrusion head, and then the motor is started in reverse to make the positioning wheel contact with the round tube, thereby fixing the round tube, and then the hydraulic cylinder is started again to enable the extrusion head to extrude the round tube, thereby bending the round tube. There is no need to bend the round tube manually, which saves time and effort, and under the action of the load-bearing groove, the distance between the positioning wheel and the extrusion head can be adjusted, so as to adapt to round tubes of different thicknesses, thereby improving the practicality of the tool.

[0005] The utility model also provides the above-mentioned round tube bending tool, comprising a bottom plate, the upper surface of the bottom plate is fixedly connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to an extrusion head.

[0006] The inner surface of the base plate is fixedly connected to two support blocks, and the side surfaces of the two support blocks are fixedly connected to the same motor, the output end of the motor is fixedly connected to a connecting shaft, the end of the connecting shaft away from the motor is fixedly connected to a first pulley, the inner surface of the first pulley is transmission-connected to a belt, the inner surface of the belt is transmission-connected to a second pulley, the side surfaces of the first pulley and the second pulley are fixedly connected to a screw rod, the outer surfaces of the two screw rods are threadedly connected to sliders, the upper surfaces of the two sliders are fixedly connected to connecting plates, the upper surfaces of the two connecting plates are fixedly connected to limiting rods, and the inner surfaces of the two limiting rods are rotatably connected to positioning wheels.

[0007] According to the circular tube bending tool, a slide groove is provided on the bottom plate, and the outer surface of the slider is slidably connected to the slide groove. Under the action of the slider and the slide groove, the positioning wheel can only move in the horizontal direction.

[0008] According to the circular tube bending tool, a docking block is fixedly connected to the side surface of the bottom plate, and a docking hole is provided on the docking block, through which the tool as a whole can be connected to other equipment.

[0009] According to the circular tube bending tool, the outer surface of the screw rod is rotatably connected to the slide groove, and the motor and the hydraulic cylinder are both electrically connected to an external power source.

[0010] According to the circular tube bending tool, a bearing groove is provided on the bottom plate, and the lower surface of the support block is fixedly connected to the bearing groove.

[0011] According to the circular tube bending tool, the side surface of the first pulley is rotatably connected to the side inner wall of the bearing groove, and the side surface of the second pulley is rotatably connected to the side inner wall of the bearing groove.

[0012] According to the circular tube bending tool, the number of the docking blocks is four and they are distributed in a rectangular array, and the number of the docking holes is four and they are distributed in a rectangular array.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is the overall structural diagram of a round tube bending tool of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the cross-section of a screw rod of a round tube bending tool of the utility model;

[0017] Figure 3 This is a structural schematic diagram of the bottom plate cross-section of a round tube bending tool of the utility model;

[0018] Figure 4 The utility model is a schematic structural diagram of a cross-section of a slider of a round tube bending tool.

[0019] Legend:

[0020] 1. Base plate; 2. Hydraulic cylinder; 3. Extrusion head; 4. Load-bearing groove; 5. Support block; 6. Motor; 7. Connecting shaft; 8. First pulley; 9. Belt; 10. Second pulley; 11. Screw; 12. Slider; 13. Connecting plate; 14. Limit rod; 15. Positioning wheel; 16. Slide groove; 17. Docking block; 18. Docking hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a round tube bending tool, which includes a base plate 1, a hydraulic cylinder 2 is fixedly connected to the upper surface of the base plate 1, an extrusion head 3 is fixedly connected to the output end of the hydraulic cylinder 2, a docking block 17 is fixedly connected to the side surface of the base plate 1, and a docking hole 18 is opened on the docking block 17. The number of the docking blocks 17 is four and they are distributed in a rectangular array, and the number of the docking holes 18 is four and they are distributed in a rectangular array.

[0023] The inner surface of the bottom plate 1 is fixedly connected to two support blocks 5, the side surfaces of the two support blocks 5 are fixedly connected to the same motor 6, the output end of the motor 6 is fixedly connected to a connecting shaft 7, the end of the connecting shaft 7 away from the motor 6 is fixedly connected to a first pulley 8, the inner surface of the first pulley 8 is transmission-connected to a belt 9, the inner surface of the belt 9 is transmission-connected to a second pulley 10, the side surfaces of the first pulley 8 and the second pulley 10 are fixedly connected to a screw rod 11, the outer surfaces of the two screw rods 11 are threadedly connected to sliders 12, and the upper surfaces of the two sliders 12 are fixedly connected to a connecting plate 13 The upper surfaces of the two connecting plates 13 are fixedly connected with limit rods 14, the inner surfaces of the two limit rods 14 are rotatably connected with positioning wheels 15, a slide groove 16 is provided on the bottom plate 1, the outer surface of the slider 12 is slidably connected to the slide groove 16, the outer surface of the screw rod 11 is rotatably connected to the slide groove 16, the motor 6 and the hydraulic cylinder 2 are electrically connected to the external power supply, a bearing groove 4 is provided on the bottom plate 1, the lower surface of the support block 5 is fixedly connected to the bearing groove 4, the side surface of the first pulley 8 is rotatably connected to the side inner wall of the bearing groove 4, and the side surface of the second pulley 10 is rotatably connected to the side inner wall of the bearing groove 4.

[0024] Working principle: By starting the motor 6 on the support block 5, the output end of the motor 6 drives the connecting shaft 7 and the first pulley 8 to rotate, so that the rotating first pulley 8 drives the belt 9 and the second pulley 10 to rotate, so that the rotating first pulley 8 and the second pulley 10 simultaneously drive the two screw rods 11 to rotate, so that the rotating screw rod 11 drives the slider 12 to move horizontally in the slide groove 16, so that the moving slider 12 drives the connecting plate 13, the limit rod 14 and the positioning wheel 15 to move away from the extrusion head 3. When the positioning wheel 15 moves a certain distance, the round tube to be processed is placed on the The bottom plate 1 is mounted on the bottom plate 1, and the round tube is brought into contact with the connecting plate 13, and then the motor 6 is started in reverse, so that the started motor 6 drives the positioning wheel 15 to move. When the moving positioning wheel 15 contacts the round tube, the round tube can be fixed. Then the hydraulic cylinder 2 is started, so that the started hydraulic cylinder 2 pushes the extrusion head 3 to move, so that the moving extrusion head 3 can squeeze the round tube on the bottom plate 1 and the positioning wheel 15, so that the position where the round tube is squeezed by the extrusion head 3 can be bent, thereby realizing the bending of the round tube, and through the docking hole 18 on the docking block 17, the tooling as a whole can be connected to other equipment.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A round tube bending tool, characterized in that: include: A bottom plate (1), the upper surface of the bottom plate (1) being fixedly connected to a hydraulic cylinder (2), and the output end of the hydraulic cylinder (2) being fixedly connected to an extrusion head (3); Two support blocks (5) are fixedly connected to the inner surface of the base plate (1), and the side surfaces of the two support blocks (5) are fixedly connected to the same motor (6). The output end of the motor (6) is fixedly connected to a connecting shaft (7), and the end of the connecting shaft (7) away from the motor (6) is fixedly connected to a first pulley (8), the inner surface of the first pulley (8) is transmission-connected to a belt (9), and the inner surface of the belt (9) is transmission-connected to a second pulley (10), and the side surfaces of the first pulley (8) and the second pulley (10) are fixedly connected to a screw rod (11), and the outer surfaces of the two screw rods (11) are threadedly connected to sliders (12), and the upper surfaces of the two sliders (12) are fixedly connected to a connecting plate (13), and the upper surfaces of the two connecting plates (13) are fixedly connected to a limiting rod (14), and the inner surfaces of the two limiting rods (14) are rotatably connected to a positioning wheel (15).

2. A round tube bending tool according to claim 1, characterized in that: The bottom plate (1) is provided with a slide groove (16), and the outer surface of the sliding block (12) is slidably connected to the slide groove (16).

3. A round tube bending tool according to claim 1, characterized in that: A docking block (17) is fixedly connected to the side surface of the bottom plate (1), and a docking hole (18) is provided on the docking block (17).

4. A round tube bending tool according to claim 1, characterized in that: The outer surface of the screw rod (11) is rotatably connected to the slide groove (16), and the motor (6) and the hydraulic cylinder (2) are both electrically connected to an external power source.

5. The round tube bending tool according to claim 1, characterized in that: The bottom plate (1) is provided with a bearing groove (4), and the lower surface of the support block (5) is fixedly connected to the bearing groove (4).

6. The round tube bending tool according to claim 1, characterized in that: The side surface of the first pulley (8) is rotatably connected to the side inner wall of the bearing groove (4), and the side surface of the second pulley (10) is rotatably connected to the side inner wall of the bearing groove (4).

7. The round tube bending tool according to claim 3, characterized in that: The number of the docking blocks (17) is four and they are distributed in a rectangular array, and the number of the docking holes (18) is four and they are distributed in a rectangular array.

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