Steel pipe bending device

Abstract

The utility model provides a steel pipe bending device which comprises a machine frame, a first moving platform is arranged on the upper portion of the machine frame, a clamping assembly used for clamping and fixing a steel pipe is arranged on the first moving platform, and a second moving platform is arranged on the outer side of the machine frame. And a bending assembly used for bending the steel pipe is arranged on the second moving platform. According to the steel pipe bending device, the first moving platform can be matched with the clamping assembly to clamp a steel pipe and push the steel pipe forwards at the same time, the second moving platform can be matched with the bending assembly to achieve continuous multi-angle and multi-direction bending operation on the steel pipe pushed forwards, the bending efficiency is higher, and the bending effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of bending equipment, in particular to a steel pipe bending device. Background Art

[0002] In mechanical manufacturing, especially the manufacturing of steel pipes is very common, and in many cases the steel pipes need to be bent. Since the steel pipes have good rigidity, they are not easy to bend with manual bending machines, and it takes a lot of force to bend them, so now electric devices are mostly used to push them.

[0003] The existing steel pipe bending device can usually only perform bending operations at a certain angle and direction after bending the steel pipe. It is impossible to quickly and conveniently adjust the bending direction and angle of the steel pipe while bending. The bending shape is relatively simple, which affects the efficiency and effect of the steel pipe bending. Utility Model Content

[0004] In view of this, the utility model provides a steel pipe bending device, which can clamp the steel pipe and push it forward through the first mobile platform cooperating with the clamping assembly, and can realize continuous multi-angle and multi-directional bending operations on the steel pipe pushed forward through the second mobile platform cooperating with the bending assembly, with higher bending efficiency and better bending effect.

[0005] In order to solve the above technical problems, the utility model provides a steel pipe bending device, including a frame, a first movable platform is arranged on the upper part of the frame, a clamping assembly for clamping and fixing the steel pipe is arranged on the first movable platform, a second movable platform is arranged on the outer side of the frame, and a bending assembly for bending the steel pipe is arranged on the second movable platform. The utility model can clamp the steel pipe while pushing it forward through the first movable platform cooperating with the clamping assembly, and can realize continuous multi-angle and multi-directional bending operations on the steel pipe pushed forward through the second movable platform cooperating with the bending assembly, so that the bending efficiency is higher and the bending effect is better.

[0006] The first movable platform is a linear slide, which is a screw motor linear slide in the prior art. The clamping assembly includes a chassis arranged on a slider of the linear slide, a first guide rail is arranged inside the chassis, a first guide block is slidably arranged on the first guide rail, a screw is threadedly connected to the first guide block, the screw passes through the first guide block, a guide cylinder for a steel pipe to pass through is arranged on the first guide block, a chuck for clamping the steel pipe is arranged at the end of the guide cylinder, and the chuck is a manual chuck or a hydraulic chuck in the prior art. The utility model can drive the screw rod to move together through the rotation of the output shaft of the motor of the linear slide The guide rail of the linear slide limits the slider of the linear slide and the threaded connection between the lead screw and the slider of the linear slide, the rotation of the lead screw can drive the slider of the linear slide to move the chassis back and forth along the guide rail of the linear slide, and the screw can be driven to rotate by manually turning the screw. Due to the threaded connection between the screw and the first guide block and the guiding and limiting effect of the first guide rail on the first guide block, the rotation of the screw will drive the first guide block to slide along the first guide rail with the guide cylinder and the chuck, thereby realizing the front and rear direction adjustment operation of the guide cylinder and the chuck, which is more convenient.

[0007] The second moving platform includes a second guide rail arranged on the outside of the frame, a second guide block is slidably arranged on the second guide rail, a telescopic push rod is arranged on the outside of the second guide rail, the telescopic push rod is a hydraulic telescopic rod or an electric telescopic rod, the output rod end of the telescopic push rod is fixedly arranged together with the second guide block, and the bending assembly is arranged on the second guide block. The output rod of the telescopic push rod is extended to push the second guide block and move the bending assembly forward and backward along the second guide rail, thereby realizing the forward and backward movement of the bending assembly, and the operation is more convenient.

[0008] The bending assembly includes a bending frame arranged on the second guide block and located at the same horizontal height as the axis of the guide cylinder. A limit frame adapted to limit the steel pipe to be bent is arranged on the outer side of the bending frame. Bending grooves are provided on the bending frame and the limit frame. The bending grooves have a semicircular structure. A circular groove is formed between the bending groove on the bending frame and the bending groove on the limit frame. The utility model can realize multi-directional and multi-angle bending operations of the steel pipe through the action of the second moving rod platform and the bending grooves on the bending frame and the limit frame, in cooperation with the action of the first moving platform and the clamping assembly, thereby achieving better bending effect and higher bending efficiency.

[0009] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0010] 1. The utility model can clamp the steel pipe and push it forward through the first mobile platform cooperating with the clamping assembly, and can perform continuous multi-angle and multi-directional bending operations on the steel pipe pushed forward through the second mobile platform cooperating with the bending assembly, with higher bending efficiency and better bending effect.

[0011] 2. The utility model can drive the lead screw to rotate through the rotation of the output shaft of the motor of the linear slide; due to the limiting effect of the slide rail of the linear slide on the slider of the linear slide and the threaded connection between the lead screw and the slider of the linear slide, the rotation of the lead screw can drive the slider of the linear slide to move the chassis back and forth along the slide rail of the linear slide; the screw can be driven to rotate by manually twisting the screw; due to the threaded connection between the screw and the first guide block and the guiding and limiting effect of the first guide rail on the first guide block, the rotation of the screw will drive the first guide block to slide along the first guide rail with the guide cylinder and the chuck, thereby realizing the front and rear direction adjustment operation of the guide cylinder and the chuck, which is more convenient.

[0012] 3. The utility model can extend the output rod of the telescopic push rod to push the second guide block and move the bending assembly forward and backward along the second guide rail, thereby realizing the forward and backward movement of the bending assembly, and the operation is more convenient.

[0013] 4. The utility model can realize the bending operation of steel pipes in multiple directions and angles through the second movable rod platform and the bending grooves on the bending frame and the limit frame in cooperation with the first movable platform and the clamping assembly, thereby achieving better bending effect and higher bending efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of the steel pipe bending device of the utility model;

[0015] Figure 2 This is an enlarged view of the structure at A of the utility model;

[0016] Figure 3 It is a side view of the steel pipe bending device of the utility model;

[0017] Figure 4 It is a top view of the steel pipe bending device of the utility model.

[0018] Explanation of the reference numerals: 100, frame; 200, first movable platform; 300, clamping assembly; 301, chassis; 302, first guide rail; 303, first guide block; 304, screw; 305, guide cylinder; 306, chuck; 400, second movable platform; 401, second guide rail; 402, second guide block; 403, telescopic push rod; 500, bending assembly; 501, bending frame; 502, limit frame; 503, bending groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] like Figure 1-4 As shown: This embodiment provides a steel pipe bending device, including a frame 100, a first movable platform 200 is arranged on the upper part of the frame 100, a clamping assembly 300 for clamping and fixing the steel pipe is arranged on the first movable platform 200, a second movable platform 400 is arranged on the outer side of the frame 100, and a bending assembly 500 for bending the steel pipe is arranged on the second movable platform 400. The utility model can clamp the steel pipe while pushing it forward through the first movable platform 200 cooperating with the clamping assembly 300, and can realize continuous multi-angle and multi-directional bending operations on the steel pipe pushed forward through the second movable platform 400 cooperating with the bending assembly 500, so that the bending efficiency is higher and the bending effect is better.

[0021] According to one embodiment of the utility model, Figure 1-4As shown, the first moving platform 200 is a linear slide, which is a screw motor linear slide in the prior art. The clamping assembly 300 includes a chassis 301 arranged on a slider of the linear slide, a first guide rail 302 is arranged inside the chassis 301, a first guide block 303 is slidably arranged on the first guide rail 302, a screw 304 is threadedly connected to the first guide block 303, the screw 304 passes through the first guide block 303, a guide cylinder 305 for allowing a steel pipe to pass through is arranged on the first guide block 303, a chuck 306 for clamping the steel pipe is arranged at the end of the guide cylinder 305, and the chuck 306 is a manual chuck 306 or a hydraulic chuck 306 in the prior art. The utility model can achieve the desired effect by rotating the output shaft of the motor of the linear slide. It can drive the lead screw to rotate together. Due to the limitation of the slider of the linear slide by the slide rail of the linear slide and the threaded connection between the lead screw and the slider of the linear slide, the rotation of the lead screw can drive the slider of the linear slide to move the chassis 301 forward and backward along the slide rail of the linear slide. By manually twisting the screw 304, the screw 304 can be driven to rotate. Due to the threaded connection between the screw 304 and the first guide block 303 and the guiding and limiting effect of the first guide rail 302 on the first guide block 303, the rotation of the screw 304 will drive the first guide block 303 to slide along the first guide rail with the guide cylinder 305 and the chuck 306, thereby realizing the front and rear direction adjustment operation of the guide cylinder 305 and the chuck 306, which is more convenient.

[0022] According to another embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, the second movable platform 400 includes a second guide rail 401 arranged on the outside of the frame 100, and a second guide block 402 is slidably arranged on the second guide rail 401. A telescopic push rod 403 is arranged on the outside of the second guide rail 401. The telescopic push rod 403 is a hydraulic telescopic rod or an electric telescopic rod. The output rod end of the telescopic push rod 403 is fixed together with the second guide block 402. The bending assembly 500 is arranged on the second guide block 402. The output rod of the telescopic push rod 403 is extended to push the second guide block 402 and move the bending assembly 500 forward and backward along the second guide rail 401, thereby realizing the forward and backward movement operation of the bending assembly 500, and the operation is more convenient.

[0023] According to another embodiment of the present invention, Figure 1 and Figure 4As shown, the bending assembly 500 includes a bending frame 501 which is arranged on the second guide block 402 and is located at the same horizontal height as the axis of the guide cylinder 305. A limiting frame 502 which is adapted to limit the position of the steel pipe to be bent is arranged on the outer side of the bending frame 501. The bending frame 501 and the limiting frame 502 are both provided with a bending groove 503. The bending groove 503 is a semicircular structure. The bending groove 503 on the bending frame 501 and

[0024] A circular groove is formed between the bending grooves 503 on the limit frame 502. The utility model can facilitate the multi-directional and multi-angle bending operations of the steel pipe through the second moving rod platform and the bending grooves 503 on the bending frame 501 and the limit frame 502, in cooperation with the first moving platform 200 and the clamping assembly 300, to achieve better bending effects and higher bending efficiency.

[0025] The use of the utility model:

[0026] First of all, it should be clear that the bending device involved in the utility model is mainly used for bending cylindrical objects. The utility model takes the bending of steel pipes as an example to explain its use method in detail. When the steel pipe needs to be bent, the steel pipe to be bent is first inserted into the guide cylinder 305, one end of the steel pipe is extended out of the chuck 306, and then the screw 304 is manually screwed to drive the screw 304 to rotate. Due to the threaded connection between the screw 304 and the first guide block 303 and the first guide rail 302 on the first guide block The first guide block 303 is driven by the rotation of the screw rod 304 to slide along the first guide rail with the guide cylinder 305 and the chuck 306, so that the guide cylinder 305 and the chuck 306 can be adjusted in the front-rear direction until the steel pipe coincides with the axis of the circular groove formed by the bending groove 503 on the bending frame 501 and the bending groove 503 on the limiting frame 502, and then the steel pipe is inserted into the circular groove at one end, and then the chuck 306 is started to clamp the steel pipe, and then the steel pipe is adjusted according to the distance to be paid. The angle and shape of the bending simultaneously start the output shaft of the motor of the first moving platform 200 to rotate, then start the output rod of the telescopic push rod 403 of the second moving platform 400 to extend to an appropriate length, and then continue to start the output shaft of the motor of the first moving platform 200 to rotate, and the rotation of the output shaft of the motor of the linear slide can drive the screw rod to rotate together. Due to the limiting effect of the slide rail of the linear slide on the slider of the linear slide and the threaded connection between the screw rod and the slider of the linear slide, the rotation of the screw rod can drive the slider of the linear slide to move forward and backward along the slide rail of the linear slide with the chassis 301, so that the steel pipe can be moved forward while being bent under the cooperation of the bending assembly 500. The utility model can clamp the steel pipe while pushing it forward through the first moving platform 200 cooperating with the clamping assembly 300, and can realize continuous multi-angle and multi-directional bending of the steel pipe pushed forward through the cooperation of the second moving platform 400 and the bending assembly 500, with higher bending efficiency and better bending effect.

[0027] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A steel pipe bending device, comprising a frame (100), characterized in that: A first movable platform (200) is disposed on the upper part of the frame (100), and a clamping assembly (300) for clamping and fixing the steel pipe is disposed on the first movable platform (200). A second movable platform (400) is disposed on the outer side of the frame (100), and a bending assembly (500) for bending the steel pipe is disposed on the second movable platform (400). The bending assembly (500) includes a second guide block (402) and a guide cylinder (305) disposed on the second guide block (402). ) is located at the same horizontal height of the axis of the bending frame (501), and a limiting frame (502) adapted thereto is arranged on the outer side of the bending frame (501) for limiting the position of the steel pipe to be bent. The bending frame (501) and the limiting frame (502) are both provided with a bending groove (503), and the bending groove (503) is a semicircular structure, and a circular groove is formed between the bending groove (503) on the bending frame (501) and the bending groove (503) on the limiting frame (502).

2. The steel pipe bending device according to claim 1, characterized in that: The first movable platform (200) is a linear slide, and the clamping assembly (300) includes a chassis (301) arranged on a slider of the linear slide, a first guide rail (302) is arranged inside the chassis (301), a first guide block (303) is slidably arranged on the first guide rail (302), a screw rod (304) is threadedly connected to the first guide block (303), and the screw rod (304) passes through the first guide block (303), a guide cylinder (305) for allowing a steel pipe to pass through is arranged on the first guide block (303), and a chuck (306) for clamping the steel pipe is arranged at the end of the guide cylinder (305).

3. The steel pipe bending device according to claim 2, characterized in that: The second mobile platform (400) comprises a second guide rail (401) arranged on the outside of the frame (100), a second guide block (402) is slidably arranged on the second guide rail (401), a telescopic push rod (403) is arranged on the outside of the second guide rail (401), an output rod end of the telescopic push rod (403) is fixedly arranged together with the second guide block (402), and the bending assembly (500) is arranged on the second guide block (402).

4. The steel pipe bending device according to claim 3, characterized in that: The telescopic push rod (403) is a hydraulic telescopic rod or an electric telescopic rod.

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