Bending degree adjusting structure for hydraulic pipe bending machine

Abstract

The utility model discloses a bending degree adjusting structure for a hydraulic pipe bender, which comprises a working table, a mounting rack is fixedly mounted on the lower end face of the working table, a gear is rotatably mounted on the inner wall of the mounting rack, two opposite end faces of the gear are respectively meshed with toothed rails, and the toothed rails are connected with the working table. A sliding rail is fixedly installed on the end face, away from the gear, of the toothed rail, a sliding groove is formed in the inner wall of the mounting frame, the sliding rail is arranged in the sliding groove and is in sliding connection with the sliding groove, an L-shaped frame is fixedly installed on the upper end face of the toothed rail, and a bending assembly is arranged on the end face, close to the working table top, of the L-shaped frame. The driving motor is controlled, so that the output end of the driving motor drives the gear to rotate, the gear drives the toothed rails to be close to each other or deviate from each other, the L-shaped frames of the toothed rails drive the bending assemblies to be close to each other or deviate from each other, and the distance between the two first bending parts can be conveniently adjusted; and pipelines with different lengths and thicknesses can be conveniently bent.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe bending machines, and more specifically, relates to a curvature adjustment structure for a hydraulic pipe bending machine. Background Art

[0002] In the process of pipe production and processing, since some pipes do not require a straight pipe in actual application, the pipes often need to be bent. Most of these pipes are bent by pipe bending machines. In the existing technology, the limit points of most pipe bending machines for bending the pipes are fixed. When bending pipes of different lengths and thicknesses, the bending point cannot be changed, which affects the bending effect of the pipes.

[0003] In summary, the present invention provides a bending adjustment structure for a hydraulic pipe bender to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the present invention provides a bending adjustment structure for a hydraulic pipe bender, which is achieved by the following specific technical means:

[0005] A curvature adjustment structure for a hydraulic pipe bender comprises a work surface, a mounting frame fixedly mounted on the lower end surface of the work surface, a gear rotatably mounted on the inner wall of the mounting frame, two end surfaces opposite to the gear tooth surfaces are respectively meshed and connected with racks, a slide rail is fixedly mounted on the end surface of the rack facing away from the gear, a slide groove is provided on the inner wall of the mounting frame, the slide rail is arranged in the slide groove and is slidably connected to the slide groove, an L-shaped frame is fixedly mounted on the upper end surface of the rack, and a bending assembly is provided on the end surface of the L-shaped frame close to the work surface.

[0006] Furthermore, the bending assembly includes a fixed block, which is fixedly connected to the L-shaped frame. The fixed block is slidably installed inside the sliding groove, and the sliding groove is opened inside the work table. A fixed column is fixedly installed on the upper end surface of the fixed block, and a bending part 1 is rotatably installed on the outer surface of the fixed column. The fixed block is rotatably connected to the bending part 1.

[0007] Furthermore, the two rack-mounted bending assemblies are configured identically, and the two bending members correspond to each other.

[0008] Furthermore, a movable groove is provided on the upper surface of the work table, and the movable groove is connected to one end surface of the work table. A hydraulic rod is fixedly installed inside the movable groove, and a slider is installed at one end of the hydraulic rod close to the bending part 1. The movable groove is slidably connected to the slider, and the upper end surface of the slider is fixedly installed with the bending part 2, and the bending part 2 corresponds to the two bending parts 1.

[0009] Furthermore, limit blocks are fixedly installed at both ends of the tooth surface of the rack in the length direction.

[0010] Furthermore, a driving motor is fixedly mounted on one end surface of the gear, and the driving motor is fixedly mounted on the lower end surface of the mounting frame.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model controls the driving motor so that the output end of the driving motor drives the gear to rotate, so that the gear drives the rack to approach or move away from each other, and the L-shaped frame of the rack drives the bending assembly to approach or move away from each other, so that the distance between the two bending parts can be easily adjusted, which is convenient for bending pipes of different lengths and thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional schematic diagram of a bending adjustment structure for a hydraulic pipe bender.

[0014] Figure 2 The utility model is a cross-sectional schematic diagram of a curvature adjustment structure for a hydraulic pipe bender.

[0015] Figure 3 The utility model is a cross-sectional schematic diagram of a curvature adjustment structure for a hydraulic pipe bender.

[0016] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0017] 1. Work surface; 2. Mounting frame; 3. Movable slot; 4. Hydraulic rod; 5. Slider; 6. Second bending member; 7. Sliding slot; 8. Sliding slot; 9. Slide rail; 10. Rack rail; 11. Gear; 12. L-shaped frame; 13. Fixing block; 14. Fixing column; 15. First bending member; 16. Limit block; 17. Drive motor. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] Example:

[0022] like Figures 1 to 3 As shown, the utility model provides a curvature adjustment structure for a hydraulic pipe bender, including a working table 1, a mounting bracket 2 is fixedly installed on the lower end surface of the working table 1, a gear 11 is rotatably installed on the inner wall of the mounting bracket 2, and the two end surfaces opposite to the tooth surface of the gear 11 are respectively meshed and connected with a rack 10, and the end surface of the rack 10 away from the gear 11 is fixedly installed with a slide rail 9, and the inner wall of the mounting bracket 2 is provided with a slide groove 8, the slide rail 9 is arranged in the slide groove 8 and is slidably connected with the slide groove 8, and an L-shaped frame 12 is fixedly installed on the upper end surface of the rack 10, and a pressing and bending assembly is provided on the end surface of the L-shaped frame 12 close to the working table 1. By controlling the driving motor 17, the output end of the driving motor 17 drives the gear 11 to rotate, so that the gear 11 drives the rack 10 to approach or move away from each other, so that the L-shaped frame 12 of the rack 10 drives the pressing and bending assembly to approach or move away from each other, so that the distance between the two pressing and bending parts 15 can be conveniently adjusted.

[0023] Among them, the bending assembly includes a fixed block 13, which is fixedly connected to the L-shaped frame 12. The fixed block 13 is slidably installed inside the sliding groove 7. The sliding groove 7 is opened inside the work table 1. The upper end surface of the fixed block 13 is fixedly installed with a fixed column 14. The outer surface of the fixed column 14 is rotatably installed with a bending part 15. The fixed block 13 is rotatably connected to the bending part 15. By arranging that the fixed block 13 and the fixed column 14 are both rotatably connected to the bending part 15, the bending part 15 can rotate as the pipe bends during bending.

[0024] Among them, the bending components installed on the two racks 10 are set in the same way, and the two bending parts 15 correspond to each other. By setting the two bending parts 15 to correspond to each other, the use of the device is facilitated.

[0025] Among them, a movable groove 3 is opened on the upper surface of the work table 1, and the movable groove 3 is connected with one end surface of the work table 1. A hydraulic rod 4 is fixedly installed inside the movable groove 3, and a slider 5 is installed at one end of the hydraulic rod 4 close to the bending part 15. The movable groove 3 is slidably connected with the slider 5, and a bending part 2 6 is fixedly installed on the upper end surface of the slider 5. The bending part 2 6 corresponds to the two bending parts 15. By fitting the pipeline with the two bending parts 15 and facing the bending part 2 6, and then controlling the hydraulic rod 4, the hydraulic rod 4 drives the slider 5 to move, and the slider 5 drives the bending part 2 6 to move, which is convenient for bending the pipeline.

[0026] The two ends of the tooth surface of the rack rail 10 in the length direction are fixedly mounted with limit blocks 16 . The limit blocks 16 are provided to prevent the rack rail 10 from being separated from the gear 11 .

[0027] A drive motor 17 is fixedly mounted on one end surface of the gear 11 . The drive motor 17 is fixedly mounted on the lower end surface of the mounting bracket 2 . The drive motor 17 is a self-locking motor.

[0028] The working principle of this embodiment is as follows:

[0029] The present invention provides a bending adjustment structure for a hydraulic pipe bender. In actual use, first, the position of the bending part 15 is adjusted according to the length and thickness of the pipe, and the driving motor 17 is controlled so that the output end of the driving motor 17 drives the gear 11 to rotate, so that the gear 11 drives the rack 10 to approach or move away from each other, so that the L-shaped frame 12 with the rack 10 drives the bending assembly to approach or move away from each other, so that the distance between the two bending parts 15 can be easily adjusted. When the distance between the two bending parts 15 is appropriate, the pipe is fitted with the two bending parts 15 and faces the bending part 2 6, and then the hydraulic rod 4 is controlled so that the hydraulic rod 4 drives the slider 5 to move, so that the slider 5 drives the bending part 2 6 to move, so as to facilitate bending of the pipe.

[0030] The implementation methods of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A bending adjustment structure for a hydraulic pipe bender, comprising a work surface (1), characterized in that: The lower end surface of the work table (1) is fixedly mounted with a mounting frame (2), the inner wall of the mounting frame (2) is rotatably mounted with a gear (11), the two end surfaces of the gear (11) opposite to each other are respectively meshed with a rack (10), the end surface of the rack (10) away from the gear (11) is fixedly mounted with a slide rail (9), the inner wall of the mounting frame (2) is provided with a slide groove (8), the slide rail (9) is arranged in the slide groove (8) and is slidably connected to the slide groove (8), the upper end surface of the rack (10) is fixedly mounted with an L-shaped frame (12), and the end surface of the L-shaped frame (12) close to the work table (1) is provided with a bending assembly.

2. A curvature adjustment structure for a hydraulic pipe bender according to claim 1, characterized in that: The press-bending assembly comprises a fixed block (13), the fixed block (13) is fixedly connected to the L-shaped frame (12), the fixed block (13) is slidably mounted inside the sliding groove (7), the sliding groove (7) is opened inside the work table (1), a fixed column (14) is fixedly mounted on the upper end surface of the fixed block (13), a press-bending piece (15) is rotatably mounted on the outer surface of the fixed column (14), and the fixed block (13) is rotatably connected to the press-bending piece (15).

3. A curvature adjustment structure for a hydraulic pipe bender according to claim 2, characterized in that: The bending components installed on the two rack rails (10) are identically arranged, and the two bending parts (15) correspond to each other.

4. The curvature adjustment structure for a hydraulic pipe bender according to claim 2, characterized in that: The upper surface of the work surface (1) is provided with a movable groove (3), the movable groove (3) is connected to one end surface of the work surface (1), a hydraulic rod (4) is fixedly installed inside the movable groove (3), a slider (5) is installed at one end of the hydraulic rod (4) close to the bending part 1 (15), the movable groove (3) is slidably connected to the slider (5), the upper end surface of the slider (5) is fixedly installed with the bending part 2 (6), and the bending part 2 (6) corresponds to the two bending parts 1 (15).

5. The curvature adjustment structure for a hydraulic pipe bender according to claim 1, characterized in that: Limiting blocks (16) are fixedly installed at both ends of the tooth surface of the rack rail (10) in the length direction.

6. The curvature adjustment structure for a hydraulic pipe bender according to claim 1, characterized in that: A driving motor (17) is fixedly mounted on one end surface of the gear (11), and the driving motor (17) is fixedly mounted on the lower end surface of the mounting frame (2).

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