Pipe bending machine with adjustable clamping size

Abstract

The utility model discloses a pipe bender with the adjustable clamping size, and relates to the technical field of pipe benders, the pipe bender comprises a pipe bender body, the pipe bender body comprises a machining table, supporting legs are fixedly installed on the two sides of the bottom end of the machining table, an adjusting unit is arranged at the top of the machining table, and the adjusting unit is connected with the pipe bender body. Clamping units are arranged on the two sides of the upper portion of the machining table correspondingly, an adjusting unit comprises a moving groove formed in the top of the machining table, and limiting transverse rods are fixedly installed on the outer surfaces of the two sides of the machining table correspondingly. The driving motor is arranged to drive the driving rod to rotate at a constant speed, so that the rotating gear rotates along with the driving rod, the tooth pushing plate on one side of the rotating gear moves downwards, the tooth pushing plate pushes the clamping rings to extrude the periphery of a pipeline and clamp and fix the pipeline, and the clamping diameter of the four sets of clamping rings can be adjusted according to the diameter of the pipeline; and the rubber blocks are arranged, so that the clamping friction force between the pipeline and the clamping rings can be enhanced, and the clamping stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe bending machines, in particular to a pipe bending machine with adjustable clamping size. Background Art

[0002] Pipe bending machines can be roughly divided into CNC pipe bending machines, hydraulic pipe bending machines, etc., and CNC pipe bending machines can perform winding bending of cold pipes with one or two bending radii, and are widely used in the bending of various pipes in the automotive, air conditioning and other industries. When the pipe bending machine is bending the pipe, it is necessary to use a clamping device to clamp and fix the end of the pipe to prevent the pipe from loosening or falling off during the bending process, which will affect the bending effect of the pipe.

[0003] In the prior art, a Chinese patent document with publication number CN216679700U and publication date June 7, 2022 is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A pipe clamping device for a pipe bending machine, comprising a clamping seat, a stepper motor, a transmission rod, a sleeve and a plurality of adjustment mechanisms, a receiving chamber is provided in the clamping seat, the stepper motor is installed in the receiving chamber, and the output end of the stepper motor is connected to the transmission rod, the transmission rod is rotatably connected to the front side wall of the receiving chamber, and the transmission rod is threadedly connected to the sleeve, and a plurality of the adjustment mechanisms are evenly distributed circumferentially on the sleeve.

[0004] In order to solve the problem of pipe clamping of the pipe bending machine, the existing technology is to fix the pipe by supporting the inner wall of the pipe from one end inside the pipe, and can fix pipes of different diameters. However, the device can only fix the end of the pipe, and it is difficult to fix other parts of the pipe. Moreover, the device can only support and fix pipes with larger diameters, but it is difficult to fix pipes with smaller diameters, and the scope of application is small. Utility Model Content

[0005] The utility model aims to provide a pipe bending machine with adjustable clamping size to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A pipe bending machine with adjustable clamping size comprises a pipe bending machine body. The pipe bending machine body comprises a processing table. Support legs are fixedly installed on both sides of the bottom end of the processing table.

[0008] An adjusting unit is arranged on the top of the processing table, and clamping units are arranged on both sides above the processing table.

[0009] A further improvement of the technical solution of the utility model lies in that: the adjustment unit includes a movable groove opened on the top of the processing table, limiting cross bars are fixedly installed on the outer surfaces of both sides of the processing table, a fixed clamping plate is fixedly installed on the left side of the top of the processing table, and a transmission motor is fixedly installed inside the right side of the movable groove. The limiting cross bar can limit the position of the movable clamping plate when it moves left and right.

[0010] A further improvement of the technical solution of the utility model is that a transmission screw is fixedly installed on the output end of the transmission motor, and the other end of the transmission screw is rotatably installed on the left inner wall of the movable groove. A movable clamping plate is movably sleeved on the outer surface of the transmission screw, and limiting sliders are fixedly installed on both sides of the bottom end of the movable clamping plate, and the limiting slider is slidably sleeved on the outer surface of the limiting cross bar.

[0011] A further improvement of the technical solution of the utility model is that the clamping unit includes a clamping cavity opened inside a fixed clamping plate and a movable clamping plate, through grooves are opened on the inner wall of the clamping cavity all around, and a limiting groove is opened on the left inner wall of the through groove, so that the clamping cavity is convenient for positioning the pipeline.

[0012] A further improvement of the technical solution of the utility model is that a driving motor is fixedly installed on the other side of the interior of the through groove, a driving rod is fixedly installed on the output end of the driving motor, a rotating gear is fixedly sleeved on the outer surface of the other end of the driving rod, and a toothed push plate is meshingly connected on the outer surface of one side of the rotating gear, and the toothed push plate can push the clamping ring to move up and down, so as to facilitate the adjustment of the clamping diameter.

[0013] A further improvement of the technical solution of the utility model is that a clamping ring is fixedly installed on the bottom end of the tooth push plate, a rubber block is fixedly installed on the outer surface of the clamping ring, and a sliding block is fixedly installed on the outer surface of the other side of the tooth push plate, and the rubber block can enhance the friction between the pipeline and the clamping ring.

[0014] A further improvement of the technical solution of the utility model is that a sliding rod is movably sleeved inside the sliding block, and the sliding rod is fixedly installed inside the limiting groove. The sliding rod can limit the tooth push plate when it moves up and down.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a pipe bending machine with adjustable clamping size. A transmission motor is provided to drive a transmission screw rod to rotate at a uniform speed, so that a movable clamping plate moves left and right on the top of a processing table, so that the clamping fixed point can be adjusted at will according to the needs of pipe bending, thereby improving the effect of convenience in use.

[0017] The utility model provides a pipe bending machine with adjustable clamping size. A driving motor is arranged to drive a driving rod to rotate at a uniform speed, so that a rotating gear follows the rotation, so that a tooth push plate on one side thereof moves downward, and the tooth push plate pushes a clamping ring to be squeezed around the pipe to clamp and fix it. Four groups of clamping rings can adjust the clamping diameter according to the pipe diameter. The arrangement of a rubber block can enhance the clamping friction between the pipe and the clamping ring, thereby improving the clamping stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the fixed clamping plate and the movable clamping plate of the utility model;

[0020] Figure 3 This is a schematic diagram of the fixed clamping plate structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the clamping ring of the utility model;

[0022] Figure 5 For the utility model Figure 4 A is an enlarged schematic diagram of the structure.

[0023] In the figure: 1. pipe bending machine body; 2. processing table; 21. moving groove; 22. limiting cross bar; 23. fixed clamping plate; 231. clamping cavity; 232. through groove; 233. limiting groove; 234. driving motor; 235. driving rod; 236. rotating gear; 237. tooth push plate; 238. clamping ring; 239. rubber block; 2310. sliding block; 2311. sliding rod; 24. moving clamping plate; 25. limiting slider; 26. driving motor; 27. driving screw; 3. supporting leg. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] like Figure 1-5As shown, the utility model provides a pipe bending machine with adjustable clamping size, including a pipe bending machine body 1, the pipe bending machine body 1 includes a processing table 2, support legs 3 are fixedly installed on both sides of the bottom end of the processing table 2, an adjustment unit is arranged on the top of the processing table 2, and clamping units are arranged on both sides above the processing table 2. The adjustment unit includes a moving groove 21 opened on the top of the processing table 2, and a limiting cross bar 22 is fixedly installed on the outer surfaces of both sides of the processing table 2. A fixed clamping plate 23 is fixedly installed on the left side of the top of the processing table 2, and a transmission motor 26 is fixedly installed inside the right side of the moving groove 21. A transmission screw 27 is fixedly installed on the output end of the transmission motor 26, and the other end of the transmission screw 27 is rotatably installed on the left inner wall of the moving groove 21. A moving clamping plate 24 is movably sleeved on the outer surface of the transmission screw 27, and a limiting slider 25 is fixedly installed on both sides of the bottom end of the moving clamping plate 24. The limiting slider 25 is slidably sleeved on the outer surface of the limiting cross bar 22.

[0026] Furthermore, the output end of the transmission motor 26 can drive the transmission screw 27 to rotate at a uniform speed, so that the movable clamping plate 24 moves left and right on the top of the processing table 2, so as to adjust the clamping fixed point at will according to the pipe bending requirements. Example

[0027] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the clamping unit includes a clamping cavity 231 opened inside the fixed clamping plate 23 and the movable clamping plate 24, and the inner wall of the clamping cavity 231 is provided with a through groove 232 on all sides, and a limiting groove 233 is provided on the left inner wall of the through groove 232. A driving motor 234 is fixedly installed on the other side of the through groove 232, and a driving rod 235 is fixedly installed on the output end of the driving motor 234. The driving rod 235 A rotating gear 236 is fixedly sleeved on the outer surface of the other end, and a toothed push plate 237 is meshedly connected on the outer surface of one side of the rotating gear 236. A clamping ring 238 is fixedly installed on the bottom end of the toothed push plate 237, and a rubber block 239 is fixedly installed on the outer surface of the clamping ring 238. A sliding block 2310 is fixedly installed on the outer surface of the other side of the toothed push plate 237, and a sliding rod 2311 is movably sleeved inside the sliding block 2310, and the sliding rod 2311 is fixedly installed inside the limiting groove 233.

[0028] Furthermore, the output end of the driving motor 234 drives the driving rod 235 to rotate at a uniform speed, thereby prompting the rotating gear 236 to rotate accordingly, so that the tooth push plate 237 on one side thereof moves downward, and the tooth push plate 237 pushes the clamping ring 238 to squeeze around the pipe to clamp it. The four groups of clamping rings 238 can adjust the clamping diameter according to the pipe diameter, and cooperate with the rubber block 239 to enhance the clamping friction between the pipe and the clamping ring 238, thereby improving the clamping stability.

[0029] The working principle of the pipe bending machine with adjustable clamping size is described in detail below.

[0030] like Figure 1-5 As shown, when in use, the pipe to be processed is placed on the top of the processing table 2 so that it is inserted between the fixed clamping plate 23 and the movable clamping plate 24. The output end of the driving motor 234 drives the driving rod 235 to rotate at a uniform speed, thereby prompting the rotating gear 236 to follow the rotation, so that the tooth push plate 237 on one side thereof moves downward, and the tooth push plate 237 pushes the clamping ring 238 to squeeze around the pipe to clamp it. The four groups of clamping rings 238 can adjust the clamping diameter according to the diameter of the pipe. The rubber block 239 can enhance the clamping friction between the pipe and the clamping ring 238 and improve the clamping stability. The output end of the transmission motor 26 can drive the transmission screw 27 to rotate at a uniform speed, prompting the movable clamping plate 24 to move left and right on the top of the processing table 2, so that the clamping fixing point can be adjusted at will according to the bending needs of the pipe.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A pipe bender with adjustable clamping size, comprising a pipe bender body (1), characterized in that: The pipe bending machine body (1) comprises a processing table (2), and support legs (3) are fixedly mounted on both sides of the bottom end of the processing table (2); An adjustment unit is provided on the top of the processing table (2), and clamping units are provided on both sides above the processing table (2).

2. A pipe bending machine with adjustable clamping size according to claim 1, characterized in that: The adjustment unit comprises a movable groove (21) formed on the top of the processing table (2), limiting cross bars (22) are fixedly mounted on the outer surfaces of both sides of the processing table (2), a fixed clamping plate (23) is fixedly mounted on the left side of the top of the processing table (2), and a transmission motor (26) is fixedly mounted inside the right side of the movable groove (21).

3. A pipe bending machine with adjustable clamping size according to claim 2, characterized in that: A transmission screw (27) is fixedly mounted on the output end of the transmission motor (26); the other end of the transmission screw (27) is rotatably mounted on the left inner wall of the movable groove (21); a movable clamping plate (24) is movably sleeved on the outer surface of the transmission screw (27); limiting sliders (25) are fixedly mounted on both sides of the bottom end of the movable clamping plate (24); and the limiting slider (25) is slidably sleeved on the outer surface of the limiting cross bar (22).

4. The pipe bending machine with adjustable clamping size according to claim 1, characterized in that: The clamping unit comprises a clamping cavity (231) provided inside a fixed clamping plate (23) and a movable clamping plate (24), through grooves (232) being provided on all four sides of the inner wall of the clamping cavity (231), and a limiting groove (233) being provided on the left inner wall of the through groove (232).

5. The pipe bending machine with adjustable clamping size according to claim 4, characterized in that: A driving motor (234) is fixedly mounted on the other side of the through slot (232), a driving rod (235) is fixedly mounted on the output end of the driving motor (234), a rotating gear (236) is fixedly sleeved on the outer surface of the other end of the driving rod (235), and a toothed push plate (237) is meshingly connected on the outer surface of one side of the rotating gear (236).

6. The pipe bending machine with adjustable clamping size according to claim 5, characterized in that: A clamping ring (238) is fixedly mounted on the bottom end of the tooth push plate (237), a rubber block (239) is fixedly mounted on the outer surface of the clamping ring (238), and a sliding block (2310) is fixedly mounted on the outer surface of the other side of the tooth push plate (237).

7. The pipe bending machine with adjustable clamping size according to claim 6, characterized in that: The sliding block (2310) is movably sleeved with a sliding rod (2311), and the sliding rod (2311) is fixedly mounted inside the limiting groove (233).

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