Steel pipe clamping device for pipe bending machine

By combining hydraulically driven clamping blocks and anti-slip components, the problem of slippage in existing pipe bending machine clamping devices has been solved, achieving stable positioning and clamping of steel pipes, and improving stability and convenience of use.

CN224026308UActive Publication Date: 2026-03-24ZHANGJIAGANG MINGHUA MACHINERY MFG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing pipe bending machine clamping device is prone to slipping when clamping steel pipes, which affects the clamping stability.

Method used

A hydraulic cylinder drives the piston rod to move the clamping block for positioning and clamping. Anti-slip components such as rubber anti-slip pads and limiting structures are used to improve friction and stability, including the combined use of T-shaped mounting rails and arc-shaped limiting plates.

Benefits of technology

This improves the stability and ease of use of the clamping device, prevents the clamping block from shifting during use, and ensures the effective positioning and clamping of the steel pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe clamping device for a pipe bending machine, which relates to the technical field of pipe bending machines, and comprises a workbench, a controller is arranged on one side of the top of the workbench, a pipe bending group is arranged on the other side of the top of the workbench, a clamping assembly is arranged in the middle of the top of the workbench, and the clamping assembly comprises a mounting frame. A hydraulic cylinder is arranged on the side face of the mounting frame, a piston rod is arranged at one end of the hydraulic cylinder, a clamping block is arranged at one end of the piston rod, a clamping groove is formed in the side face of the clamping block, an anti-skid assembly is arranged in the middle of the clamping groove, and a limiting sliding block is arranged at the bottom of the clamping block. A steel pipe is positioned and clamped through the arranged clamping assembly, the arranged hydraulic cylinder drives the piston rod and the clamping blocks to slide on the top of the workbench, the two clamping blocks make contact with the steel pipe, therefore, the steel pipe is positioned and clamped, the bottoms of the clamping blocks are connected with the workbench through the limiting sliding blocks, and therefore the steel pipe can be clamped conveniently. And the use stability of the clamping blocks is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe bender technical field especially relates to a pipe bender steel pipe clamping device. BACKGROUND

[0002] Pipe bender can be roughly divided into numerical control pipe bender, hydraulic pipe bender and so on, and numerical control pipe bender, can carry out the winding type bending of one bending radius or two bending radiuses to pipe material in cold state, and is widely used in the bending of various pipe fittings and wire rods in automobile, air conditioning and other industries.

[0003] The existing pipe bender needs clamping device to position and clamp the steel pipe when bending the steel pipe, which is convenient for subsequent bending of the steel pipe, but the contact surface of the clamping plate in the existing clamping device and the steel pipe is relatively smooth, which is easy to slide in the clamping process, affecting the stability of clamping, so a pipe bender steel pipe clamping device is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a pipe bender steel pipe clamping device, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A pipe bender steel pipe clamping device, comprising a workbench, a controller is arranged on one side of the top of the workbench, and a pipe bending group is arranged on the other side of the top of the workbench, and a clamping group is arranged in the middle of the top of the workbench.

[0007] The clamping group comprises a mounting frame, a hydraulic cylinder is arranged on the side of the mounting frame, a piston rod is arranged at one end of the hydraulic cylinder, a clamping block is arranged at one end of the piston rod, a clamping groove is arranged on the side of the clamping block, an anti-skid assembly is arranged in the middle of the clamping groove, and a limiting sliding block is arranged at the bottom of the clamping block.

[0008] The anti-skid assembly comprises a rubber anti-skid pad, anti-skid grooves are arranged on the inner wall of the rubber anti-skid pad, T-shaped mounting sliding rails are arranged on the outer wall of the rubber anti-skid pad, arc limiting plates are arranged at one end of the T-shaped mounting sliding rails, threaded plug-in seats are arranged at one end of the arc limiting plates, and positioning bolts are arranged in the middle of the threaded plug-in seats.

[0009] Preferably, the bottom of the mounting frame is bolted to the middle of the top of the workbench, the side of the mounting frame is arranged adjacent to the pipe bending group, a hydraulic cylinder is bolted to the middle of the side of the mounting frame, and there are two hydraulic cylinders symmetrically distributed in the middle of the two sides of the mounting frame.

[0010] Preferably, the movable end of the hydraulic cylinder is provided with a piston rod, one end of the piston rod away from the hydraulic cylinder penetrates through the mounting frame, and the one end of the piston rod away from the hydraulic cylinder is provided with a clamping block through bolts, and a clamping groove is formed in the middle of the side of the clamping block away from the piston rod.

[0011] Preferably, the bottom of the clamping block is fixedly connected with a limiting sliding block, and the bottom of the clamping block is slidingly connected with the workbench, the top of the workbench is provided with two limiting sliding grooves which are symmetrically arranged on both sides of the top of the workbench, and the limiting sliding block is slidingly connected in the limiting sliding groove.

[0012] Preferably, the rubber antiskid pad is slidingly connected in the clamping groove, a T-shaped mounting slide rail is fixedly connected to the side of the rubber antiskid pad close to the clamping groove, and the T-shaped mounting slide rail has three, which are uniformly arranged on the side of the rubber antiskid pad close to the clamping groove, mounting sliding grooves are formed in the inner wall of the clamping groove, and the T-shaped mounting slide rail is slidingly connected in the mounting sliding groove.

[0013] Preferably, an antiskid groove is formed in the inner wall of the side of the rubber antiskid pad away from the T-shaped mounting slide rail, an arc-shaped limiting plate is fixedly connected to the side of the rubber antiskid pad, the arc-shaped limiting plate is clamped to the side of the clamping block, the side surface of the arc-shaped limiting plate is horizontally arranged with the side surface of the clamping block, a limiting side plate is fixedly connected to the side of the clamping block away from the arc-shaped limiting plate, and a positioning groove is formed in the side of the clamping block close to the arc-shaped limiting plate.

[0014] Preferably, a threaded plug-in seat is arranged in the middle of one end of the arc-shaped limiting plate, a positioning bolt is arranged in the middle of the threaded plug-in seat through bolts, the positioning bolt penetrates through the threaded plug-in seat and the arc-shaped limiting plate, and the positioning bolt has two, which are symmetrically arranged on both ends of the arc-shaped limiting plate, and the positioning bolt penetrates through the threaded plug-in seat and is connected to the inside of the positioning groove.

[0015] Compared with the prior art, the utility model has the advantages of the following:

[0016] 1. The clamping group is arranged to realize the positioning and clamping of the steel pipe, the hydraulic cylinder drives the piston rod and the clamping block to slide on the top of the workbench, so that the two clamping blocks are in contact with the steel pipe, thereby realizing the positioning and clamping of the steel pipe, the bottom of the clamping block is slidingly connected with the limiting sliding groove through the limiting sliding block, thereby improving the stability of the clamping block in use, preventing the clamping block from deviating in use and affecting the clamping effect.

[0017] 2, the rubber anti -skid pad is connected in the inside of the installation sliding groove with the clamping block through the T-shaped installation slide rail sliding connection, the rubber anti -skid pad is convenient to dismantle with the clamping block, improves the use degree of convenience of the device, and the limiting side plate, the arc limiting plate and the positioning bolt are arranged, so that the rubber anti -skid pad and the clamping block are limited, sliding occurs in use, and the use stability is affected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the first perspective view of the whole device of the utility model;

[0019] Figure 2 is the second perspective view of the whole device of the utility model;

[0020] Figure 3 is the structural schematic view of the clamping assembly of the utility model;

[0021] Figure 4 is the structural schematic view of the anti -skid assembly of the utility model.

[0022] In the drawing: 1, workbench;2, controller;3, pipe bending group;4, clamping assembly;5, mounting frame;6, hydraulic cylinder;7, piston rod;8, clamping block;9, clamping groove;10, limiting sliding block;11, limiting sliding groove;12, anti -skid assembly;13, rubber anti -skid pad;14, anti -skid groove;15, T-shaped installation slide rail;16, installation sliding groove;17, limiting side plate;18, arc limiting plate;19, threaded plug-in seat;20, positioning bolt;21, positioning groove. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 As shown in the figure, a steel pipe clamping device for pipe bending machine, including workbench 1, the top of workbench 1 one side is provided with controller 2, and the top of workbench 1 the other side is provided with pipe bending group 3, the top of workbench 1 middle is provided with clamping assembly 4;

[0025] The clamping assembly 4 comprises a mounting frame 5, the side surface of the mounting frame 5 is provided with a hydraulic cylinder 6, one end of the hydraulic cylinder 6 is provided with a piston rod 7, one end of the piston rod 7 is provided with a clamping block 8, the side surface of the clamping block 8 is provided with a clamping groove 9, the middle of the clamping groove 9 is provided with an anti-skid assembly 12, the bottom of the clamping block 8 is provided with a limiting sliding block 10, the bottom of the mounting frame 5 is bolted to the middle of the top of the workbench 1, the side surface of the mounting frame 5 is provided adjacent to the elbow pipe assembly 3, the side surface of the mounting frame 5 is bolted with the hydraulic cylinder 6 in the middle, and the hydraulic cylinder 6 has two, which are symmetrically distributed in the middle of the two sides of the mounting frame 5, the movable end of the hydraulic cylinder 6 is provided with the piston rod 7, and one end of the piston rod 7 away from the hydraulic cylinder 6 penetrates the mounting frame 5, one end of the piston rod 7 away from the hydraulic cylinder 6 is bolted with the clamping block 8, and the middle of one side of the clamping block 8 away from the piston rod 7 is provided with the clamping groove 9, the bottom of the clamping block 8 is fixedly connected with the limiting sliding block 10, and the bottom of the clamping block 8 is slidably connected with the workbench 1, the top of the workbench 1 is provided with limiting sliding grooves 11, and the limiting sliding grooves 11 have two, which are symmetrically distributed on the two sides of the top of the workbench 1, and the limiting sliding block 10 is slidably connected in the limiting sliding grooves 11, the clamping assembly 4 is arranged to realize the positioning and clamping of the steel pipe, the hydraulic cylinder 6 drives the piston rod 7 and the clamping block 8 to slide on the top of the workbench 1, so that the two clamping blocks 8 are in contact with the steel pipe, thereby realizing the positioning and clamping of the steel pipe, and the bottom of the clamping block 8 is slidably connected with the limiting sliding grooves 11 through the limiting sliding block 10, thereby improving the stability of the clamping block 8 in use, preventing the clamping block 8 from deviating in use, and affecting the clamping effect;

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The anti-skid assembly 12 comprises a rubber anti-skid pad 13, the inner wall of the rubber anti-skid pad 13 is provided with an anti-skid groove 14, the outer wall of the rubber anti-skid pad 13 is provided with a T-shaped mounting sliding rail 15, one end of the T-shaped mounting sliding rail 15 is provided with an arc-shaped limiting plate 18, the middle of one end of the arc-shaped limiting plate 18 is provided with a threaded plug-in seat 19, the middle of the threaded plug-in seat 19 is provided with a positioning bolt 20, the rubber anti-skid pad 13 is slidably connected in the clamping groove 9, the rubber anti-skid pad 13 is fixedly connected with the T-shaped mounting sliding rail 15 on the side close to the clamping groove 9, the T-shaped mounting sliding rail 15 has three, which are evenly distributed on the side of the rubber anti-skid pad 13 close to the clamping groove 9, the inner wall of the clamping groove 9 is provided with a mounting sliding groove 16, and the T-shaped mounting sliding rail 15 is slidably connected in the mounting sliding groove 16, the anti-skid assembly 12 is arranged to be slidably connected in the clamping groove 9 on the side of the clamping block 8, to improve the friction between the clamping block 8 and the steel pipe, improve the stability of the clamping, and the rubber anti-skid pad 13 is slidably connected with the clamping block 8 in the mounting sliding groove 16 through the T-shaped mounting sliding rail 15, which facilitates the disassembly of the rubber anti-skid pad 13 and the clamping block 8, and improves the use convenience of the device.

[0027] The rubber antiskid pad 13 is provided with an antiskid groove 14 on the inner wall of the side away from the T-shaped mounting slide rail 15, and one side of the rubber antiskid pad 13 is fixedly connected with an arc-shaped limiting plate 18, which is clamped on one side of the clamping block 8, and the side surface of the arc-shaped limiting plate 18 is horizontally arranged with the side surface of the clamping block 8; the side of the clamping block 8 away from the arc-shaped limiting plate 18 is fixedly connected with a limiting side plate 17, and the side of the clamping block 8 close to the arc-shaped limiting plate 18 is provided with a positioning groove 21; one end of the arc-shaped limiting plate 18 is provided with a threaded plug-in seat 19, and the middle of the threaded plug-in seat 19 is provided with a positioning bolt 20 through a bolt; the positioning bolt 20 penetrates through the threaded plug-in seat 19 and the arc-shaped limiting plate 18, and there are two positioning bolts 20, which are symmetrically distributed at the two ends of the arc-shaped limiting plate 18; the positioning bolt 20 penetrates through the threaded plug-in seat 19 and is connected to the inside of the positioning groove 21; the limiting side plate 17, the arc-shaped limiting plate 18 and the positioning bolt 20 are arranged to limit the rubber antiskid pad 13 and the clamping block 8, so as to prevent sliding during use and affect the use stability.

[0028] It should be noted that the utility model is a kind of steel pipe clamping device for pipe bender, when using, the T-shaped mounting slide rail 15 of one side of rubber antiskid pad 13 is aligned with the mounting slide groove 16 on the inner wall of clamping groove 9, rubber antiskid pad 13 is pushed, T-shaped mounting slide rail 15 drives rubber antiskid pad 13 to be slidably connected in the inside of mounting slide groove 16 and clamping groove 9, so that the end of rubber antiskid pad 13 away from arc-shaped limiting plate 18 is in contact with limiting side plate 17, to realize the first limiting connection of rubber antiskid pad 13, at this time, arc-shaped limiting plate 18 is clamped on the side of clamping block 8 away from limiting side plate 17, positioning bolt 20 is connected in the inside of threaded plug-in seat 19 by thread, positioning bolt 20 penetrates through threaded plug-in seat 19 and is connected in the positioning groove 21 of the side of clamping block 8, to complete the second limiting connection of rubber antiskid pad 13 and clamping block 8, improve the stability of the connection of rubber antiskid pad 13 and clamping block 8, steel pipe is placed in the middle between two clamping blocks 8 of mounting frame 5, piston rod 7 is driven to push clamping block 8 by the arrangement of hydraulic cylinder 6, two clamping blocks 8 move to opposite direction, clamping block 8 drives rubber antiskid pad 13 to be in contact with the surface of steel pipe, to realize the positioning and clamping of steel pipe, and the bottom of clamping block 8 is provided with limiting sliding block 10, limiting sliding block 10 is slidably connected in the inside of limiting slide groove 11, to realize the limiting connection of clamping block 8, improve the use stability of clamping block 8, after positioning and clamping, pipe bending group 3 is used to realize the bending of steel pipe.

[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel pipe clamping device for a pipe bending machine, comprising a worktable (1), characterized in that: A controller (2) is provided on one side of the top of the workbench (1), and a pipe bending assembly (3) is provided on the other side of the top of the workbench (1). A clamping assembly (4) is provided in the middle of the top of the workbench (1). The clamping assembly (4) includes a mounting bracket (5), a hydraulic cylinder (6) is provided on the side of the mounting bracket (5), and a piston rod (7) is provided at one end of the hydraulic cylinder (6). A clamping block (8) is provided at one end of the piston rod (7), and a clamping groove (9) is provided on the side of the clamping block (8). An anti-slip component (12) is provided in the middle of the clamping groove (9), and a limit slider (10) is provided at the bottom of the clamping block (8). The anti-slip component (12) includes a rubber anti-slip pad (13), the inner wall of which is provided with an anti-slip groove (14), and the outer wall of which is provided with a T-shaped mounting slide rail (15). One end of the T-shaped mounting slide rail (15) is provided with an arc-shaped limiting plate (18), and the middle of one end of the arc-shaped limiting plate (18) is provided with a threaded plug seat (19), and the middle of the threaded plug seat (19) is provided with a positioning bolt (20).

2. The steel pipe clamping device for a pipe bending machine according to claim 1, characterized in that: The bottom of the mounting bracket (5) is bolted to the top center of the workbench (1). The side of the mounting bracket (5) is adjacent to the pipe bending group (3). A hydraulic cylinder (6) is bolted to the middle of the side of the mounting bracket (5). There are two hydraulic cylinders (6), which are symmetrically distributed on the middle of the two sides of the mounting bracket (5).

3. The steel pipe clamping device for a pipe bending machine according to claim 2, characterized in that: The movable end of the hydraulic cylinder (6) is equipped with a piston rod (7), and the end of the piston rod (7) away from the hydraulic cylinder (6) passes through the mounting bracket (5). The end of the piston rod (7) away from the hydraulic cylinder (6) is equipped with a clamping block (8) by bolts, and a clamping groove (9) is provided in the middle of the side of the clamping block (8) away from the piston rod (7).

4. The steel pipe clamping device for a pipe bending machine according to claim 1, characterized in that: The bottom of the clamping block (8) is fixedly connected to a limiting slider (10), and the bottom of the clamping block (8) is slidably connected to the worktable (1). The top of the worktable (1) is provided with a limiting groove (11), and there are two limiting grooves (11), which are symmetrically distributed on both sides of the top of the worktable (1). The limiting slider (10) is slidably connected inside the limiting groove (11).

5. The steel pipe clamping device for a pipe bending machine according to claim 1, characterized in that: The rubber anti-slip pad (13) is slidably connected to the inside of the clamping groove (9). A T-shaped mounting slide rail (15) is fixedly connected to the side of the rubber anti-slip pad (13) near the clamping groove (9). There are three T-shaped mounting slide rails (15), which are evenly distributed on the side of the rubber anti-slip pad (13) near the clamping groove (9). An installation groove (16) is provided on the inner wall of the clamping groove (9), and the T-shaped mounting slide rail (15) is slidably connected to the inside of the installation groove (16).

6. The steel pipe clamping device for a pipe bending machine according to claim 5, characterized in that: The rubber anti-slip pad (13) has an anti-slip groove (14) on the inner wall of the side away from the T-shaped mounting rail (15), and an arc-shaped limiting plate (18) is fixedly connected to one side of the rubber anti-slip pad (13), and the arc-shaped limiting plate (18) is snapped into one side of the clamping block (8). The side of the arc-shaped limiting plate (18) is horizontally set with the side of the clamping block (8). The clamping block (8) is fixedly connected to a limiting side plate (17) on the side away from the arc-shaped limiting plate (18), and a positioning groove (21) is opened on the side of the clamping block (8) close to the arc-shaped limiting plate (18).

7. A steel pipe clamping device for a pipe bending machine according to claim 6, characterized in that: A threaded connector (19) is installed in the middle of one end of the arc-shaped limiting plate (18), and a positioning bolt (20) is installed in the middle of the threaded connector (19) by a bolt. The positioning bolt (20) passes through the threaded connector (19) and the arc-shaped limiting plate (18), and there are two positioning bolts (20), which are symmetrically distributed at both ends of the arc-shaped limiting plate (18). The positioning bolt (20) passes through the threaded connector (19) and connects to the inside of the positioning groove (21).