Double head automatic pipe bending machine

Abstract

The present invention relates to the technical field of steel pipe processing, and specifically to a double-head automatic pipe bending machine, comprising a machine platform, wherein bending mechanisms for clamping and bending both ends of a pipe are arranged on both sides of the top of an outer wall of the machine platform, and a pipe clamping mechanism for clamping the center of the pipe is arranged at the top of the outer wall of the machine platform and between the two bending mechanisms. In the present invention, the center of the steel pipe can be clamped by cooperating with the upper pipe clamping seat, and the bottom branch pipe seat and the bending head in the bending mechanism and the moving mechanism driving the bending mechanism to move can enable the device to simultaneously perform multi-angle rotation and bending processing on the steel pipe, thereby avoiding the step of removing and re-placing the steel pipe during the processing process, thereby improving the processing efficiency of the device on the steel pipe.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe processing, in particular to a double-head automatic pipe bending machine. Background Art

[0002] The pipe bender is a mechanical device specially used for bending metal pipes or other tubular parts of other materials. It is widely used in the construction, automobile, aviation, shipbuilding, machinery manufacturing and other industries to make various stamping parts and frame structures.

[0003] In the prior art, double-headed pipe bending machines are mostly used for bending the two ends of the bent pipe. However, when the existing double-headed pipe bending machines are used to process steel pipes, the bending angles of the steel pipes are limited. This results in that when bending at multiple angles, personnel are required to stop the machine and then reverse the steel pipe before continuing the processing, which affects the processing efficiency of the steel pipe. Therefore, there are still certain shortcomings in its use.

[0004] Therefore, it is necessary to invent a double-head automatic pipe bending machine. Summary of the invention

[0005] To this end, the present invention provides a double-headed automatic pipe bending machine to solve the problem that the existing double-headed pipe bending machine has a limited bending angle for the steel pipe when processing the steel pipe.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solution: a double-head automatic pipe bending machine, comprising a machine platform, wherein bending mechanisms for clamping and bending the two ends of the pipe are arranged on both sides of the top of the outer wall of the machine platform, and a clamping mechanism for clamping the center of the pipe is arranged at the top of the outer wall of the machine platform and located between the two bending mechanisms.

[0007] Preferably, the pipe bending mechanism includes a movable base plate, and the two movable base plates are arranged on both sides of the top of the outer wall of the machine platform. A first guide rail for movement is fixed at the top of the outer wall of the machine platform and at a position corresponding to the movable base plate. The bottom end of the outer wall of the movable base plate is slidably connected to the first guide rail through a guide rail slider.

[0008] Preferably, a motor bracket is fixed to the top of the outer wall of the movable base plate, and a pipe bending machine main seat is installed on the opposite side of the two motor brackets. The two pipe bending machine main seats are slidably connected to the motor brackets at corresponding positions through guide rails and guide rail sliders.

[0009] Preferably, the side walls of the motor bracket are fixed with a lifting drive motor, the output shaft of the lifting drive motor passes through the side walls of the motor bracket and is fixed with a first drive gear, the side walls of the pipe bending machine main seat are fixed with a lifting drive rack for lifting at the rear end of the first drive gear, and the first drive gear is meshed with the lifting drive rack.

[0010] Preferably, a rotary drive motor is fixedly installed at the rear end of the outer wall of the main seat of the pipe bender, and a mounting plate is rotatably connected to the front end of the outer wall of the main seat of the pipe bender. The output shaft of the rotary drive motor is fixedly connected to the rear end of the outer wall of the mounting plate, and the bottom of the front end of the outer wall of the mounting plate is slidably connected to the bottom branch pipe seat through an air-controlled guide rail. A bending head for bending the steel pipe is arranged at the top of the outer wall of the mounting plate and above the bottom branch pipe seat.

[0011] Preferably, a mobile driving motor is fixedly installed on the top of the outer wall of the mobile base plate and located on the rear side of the motor bracket, the bottom end of the mobile driving motor passes through the bottom end of the outer wall of the mobile base plate and is fixed with a second driving gear, and a mobile driving rack is fixed on the top of the outer wall of the machine and located on the rear side of the second driving gear, and the rear end of the outer wall of the second driving gear is meshed with the outer wall of the mobile driving rack.

[0012] Preferably, a clamping machine bracket is arranged below the bottom end of the outer wall of the tube clamping mechanism, and the clamping machine bracket is fixed to the top end of the outer wall of the machine platform and is located between the two tube bending mechanisms. The tube clamping mechanism includes a movable base, and the bottom end of the outer wall of the movable base is slidably connected to the top end of the outer wall of the clamping machine bracket.

[0013] Preferably, a support seat is fixed to the top of the outer wall of the movable base, a bottom pipe clamping seat for clamping the steel pipe is arranged at the top of the outer wall of the support seat, and an upper pipe clamping seat for cooperating with the clamping is arranged at the top of the outer wall of the bottom pipe clamping seat.

[0014] Preferably, a hydraulic telescopic cylinder is installed at the top of the outer wall of the movable base and at the rear side of the support seat, and the top output shaft of the hydraulic telescopic cylinder is hinged with an upper fixed frame. The top of the outer wall of the upper clamping seat is connected to the bottom end of the outer wall of the upper fixed frame, and the rear side of the bottom end of the outer wall of the upper fixed frame is connected to the rear side of the top of the outer wall of the support seat through an end point bracket.

[0015] The beneficial effects of the present invention are:

[0016] In the present invention, the bottom pipe clamping seat is arranged in cooperation with the upper pipe clamping seat to clamp the center of the steel pipe, and the bottom branch pipe seat and the pipe bending head in the pipe bending mechanism and the moving mechanism that drives it to move can enable the device to simultaneously perform multi-angle rotational bending processing on the steel pipe, thereby avoiding the need for personnel to remove and re-place the steel pipe during the processing process, thereby improving the processing efficiency of the device on the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention in the front view direction;

[0018] Figure 2 It is a partial structural schematic diagram of the tube clamping mechanism in the present invention as viewed from the side;

[0019] Figure 3 It is a schematic diagram of the overall structure of the pipe bending mechanism in the present invention when viewed from above;

[0020] Figure 4 It is a schematic diagram of the structure of a single pipe bending mechanism in the present invention when viewed from above;

[0021] Figure 5 It is a schematic diagram of the structure of a single pipe bending mechanism in the present invention when viewed from above.

[0022] In the figure: 100, machine platform; 110, clamping machine bracket; 200, pipe bending mechanism; 210, movable base plate; 220, lifting drive motor; 221, first drive gear; 230, movable drive motor; 231, second drive gear; 232, movable drive rack; 240, rotating drive motor; 250, bottom support pipe seat; 260, pipe bending head; 270, protective cover; 280, pipe bending machine main body seat; 300, pipe clamping mechanism; 310, movable base; 320, supporting seat; 330, bottom pipe clamping seat; 340, hydraulic telescopic cylinder; 350, upper pipe clamping seat. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] See attached Figure 1-Figure 5The double-head automatic pipe bending machine provided by the present invention comprises a machine platform 100. The pipe bending mechanisms 200 for clamping and bending the two ends of the pipe are arranged on both sides of the top of the outer wall of the machine platform 100. The pipe bending mechanisms 200 comprise a movable bottom plate 210. The two movable bottom plates 210 are arranged on both sides of the top of the outer wall of the machine platform 100. The first guide rails for movement are fixed at the top of the outer wall of the machine platform 100 and at positions corresponding to the movable bottom plates 210. The bottom end of the outer wall of the movable bottom plate 210 is slidably connected to the first guide rail through a guide rail slider, and the movable bottom plate 210 can be moved left and right at the top of the outer wall of the machine platform 100 through the first guide rail and the guide rail slider, so that the steel pipe can be bent at different positions. The top of the outer wall of the movable bottom plate 210 is fixed with a motor bracket, and the opposite side of the two motor brackets is equipped with a pipe bending machine main body seat 280. The two pipe bending machine main body seats 280 are connected to the motors at the corresponding positions. The machine brackets are slidably connected by guide rails and guide rail sliders. The side walls of the motor brackets are fixed with lifting drive motors 220. The output shafts of the lifting drive motors 220 pass through the side walls of the motor brackets and are fixed with first drive gears 221. The side walls of the pipe bending machine main body seat 280 are fixed with lifting drive racks for lifting at the rear end of the first drive gears 221. The first drive gears 221 are meshed with the lifting drive racks. Specifically, the lifting drive motor 220 can drive the first drive gear 221 to rotate after being energized, and the first drive gear 221 can drive the pipe bending machine main body seat 280 to move up and down by meshing with the lifting drive rack when rotating, so that the steel pipe can be bent in more directions. At the same time, the outer wall top of the movable bottom plate 210 is located on the outside of the lifting drive motor 220 and the motor bracket, and a protective cover 270 is provided for protection;

[0025] The outer wall rear end of the pipe bending machine main body seat 280 is fixedly installed with a rotating drive motor 240, and the outer wall front end of the pipe bending machine main body seat 280 is rotatably connected with a mounting plate, and the output shaft of the rotating drive motor 240 is fixedly connected to the outer wall rear end of the mounting plate. The rotating drive motor 240 can drive the mounting plate to rotate after being energized, and the mounting plate can drive the bottom support pipe seat 250 and the bending head 260 to rotate when rotating, so that the bottom support pipe seat 250 and the bending head 260 can bend the steel pipe clamped therein when rotating, and the bottom of the outer wall front end of the mounting plate is slidably connected with the bottom support pipe seat 250 through an air-controlled guide rail, and a bending head 260 for bending the steel pipe is arranged at the top of the outer wall of the mounting plate and above the bottom support pipe seat 250, and the bottom support pipe seat 250 can be moved up and down at the front end of the mounting plate. When bending is required, the bottom support pipe seat 250 can be moved upward so that the steel pipe abuts against the outer wall of the bending head 260, and when not required, the bottom support pipe seat 250 can be moved downward The movement causes the steel pipe of the bottom support pipe seat 250 to be separated, and at this time the pipe clamping mechanism 300 can rotate the steel pipe, and the bottom support pipe seat 250 can be moved left and right on the steel pipe supporting part through the air-controlled guide rail to avoid affecting the bending of the steel pipe. The top of the outer wall of the mobile base plate 210 and the rear side of the motor bracket are fixedly installed with a mobile driving motor 230, the bottom end of the mobile driving motor 230 passes through the bottom end of the outer wall of the mobile base plate 210 and is fixed with a second driving gear 231, the top of the outer wall of the machine 100 and the rear side of the second driving gear 231 are fixed with a mobile driving rack 232, the outer wall rear end of the second driving gear 231 is meshed with the outer wall of the mobile driving rack 232, and the mobile driving motor 230 can drive the second driving gear 231 to rotate after being energized, and the second driving gear 231 can cooperate with the mobile driving rack 232 to drive the mobile base plate 210 to move left and right at the top of the outer wall of the machine 100 when rotating;

[0026] A pipe clamping mechanism 300 for clamping the center of the pipe is arranged at the top of the outer wall of the machine 100 and between the two pipe bending mechanisms 200, a clamping machine bracket 110 is arranged below the bottom end of the outer wall of the pipe clamping mechanism 300, the clamping machine bracket 110 is fixed to the top of the outer wall of the machine 100 and is located between the two pipe bending mechanisms 200, the clamping machine bracket 110 is arranged to support the pipe clamping mechanism 300, the pipe clamping mechanism 300 includes a movable base 310, the bottom end of the outer wall of the movable base 310 is slidably connected with the top of the outer wall of the clamping machine bracket 110, a support seat 320 is fixed to the top of the outer wall of the movable base 310, a bottom pipe clamping seat 330 for clamping the steel pipe is arranged at the top of the outer wall of the support seat 320, an upper pipe clamping seat 350 for matching clamping is arranged at the top of the outer wall of the bottom pipe clamping seat 330, the bottom pipe clamping seat 330 and the upper pipe clamping seat 350 are detachable structures, and the bottom pipe clamping seat 330 and the upper pipe clamping seat 350 are on opposite sides. A clamping shaft for clamping the outer wall of the steel pipe is fixed at the center, and the clamping shaft can rotate between the two, so that personnel can rotate the steel pipe through the pipe clamping mechanism 300 when needed, and a hydraulic telescopic cylinder 340 is installed at the top of the outer wall of the mobile base 310 and at the rear side of the support base 320, and the top output shaft of the hydraulic telescopic cylinder 340 is hinged with an upper fixed frame, and the top of the outer wall of the upper clamping pipe seat 350 is connected to the bottom end of the outer wall of the upper fixed frame, and the rear side of the bottom end of the outer wall of the upper fixed frame is connected to the rear side of the top of the outer wall of the support base 320 through an end point bracket, and the hydraulic telescopic cylinder 340 can pull the rear end of the upper fixed frame through the output shaft to rotate up and down with the end point bracket, so that the upper clamping pipe seat 350 can be controlled to rotate upward and separate from the bottom clamping pipe seat 330, so that it is convenient for personnel to remove the bent steel pipe, or control the upper clamping pipe seat 350 to rotate downward to cooperate with the bottom clamping pipe seat 330 to clamp the steel pipe, so as to facilitate subsequent bending processing.

[0027] The use process of the present invention is as follows: first, personnel can install the device, and after completion, the device is powered on externally and connected to the PLC to realize the programming of the device. After completion, personnel can place the steel pipe to be bent on the bottom clamp pipe seat 330 through the equipment, and then the hydraulic telescopic cylinder 340 will control its output end to extend, so that the upper fixed frame drives the upper clamp pipe seat 350 to rotate downward to cooperate with the bottom clamp pipe seat 330 to clamp the steel pipe. After completion, the mobile drive motor 230 set is energized so that the mobile bottom plate 210 drives the mechanism to move toward the two ends of the steel pipe. After the movement is completed, the bottom branch pipe seat 250 set can move upward to cooperate with the bending head 26 0 is pressed against the steel pipe. At this time, the device can process the steel pipe in one direction by rotating the mounting plate through the rotating drive motor 240, or bend the steel pipe in another direction by controlling the bottom support pipe seat 250 to move up and down. At the same time, during the bending process, the bottom support pipe seat 250 can move downward and separate from the steel pipe, and the steel pipe can be rotated through the bottom clamping pipe seat 330 and the upper clamping pipe seat 350, so that the steel pipe can be bent in other directions. After the bending is completed, all the mechanisms are reset, and the hydraulic telescopic cylinder 340 contracts to make the upper clamping pipe seat 350 move upward, and personnel can remove the steel pipe for replacement.

[0028] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A double-head automatic pipe bending machine, comprising a machine platform (100), characterized in that: Pipe bending mechanisms (200) for clamping and bending the two ends of the pipe are arranged on both sides of the top end of the outer wall of the machine (100), and a pipe clamping mechanism (300) for clamping the center of the pipe is arranged on the top end of the outer wall of the machine (100) and between the two pipe bending mechanisms (300).

2. The double-head automatic pipe bending machine according to claim 1 is characterized in that: The pipe bending mechanism (200) comprises a movable bottom plate (210), wherein two movable bottom plates (210) are arranged on both sides of the top end of the outer wall of the machine platform (100), and a first guide rail for movement is fixed at the top end of the outer wall of the machine platform (100) and at a position corresponding to the movable bottom plate (210), and the bottom end of the outer wall of the movable bottom plate (210) is slidably connected to the first guide rail via a guide rail slider.

3. The double-head automatic pipe bending machine according to claim 2 is characterized in that: The top end of the outer wall of the movable bottom plate (210) is fixed with a motor bracket, and a pipe bending machine main body seat (280) is installed on the opposite side of the two motor brackets. The two pipe bending machine main body seats (280) are slidably connected to the motor brackets at corresponding positions via guide rails and guide rail sliders.

4. The double-head automatic pipe bending machine according to claim 3 is characterized in that: The side walls of the motor bracket are fixed with lifting drive motors (220), the output shafts of the lifting drive motors (220) pass through the side walls of the motor bracket and are fixed with first drive gears (221), and the side walls of the pipe bending machine main body seat (280) are fixed with lifting drive racks at the rear end of the first drive gears (221), and the first drive gears (221) are meshed with the lifting drive racks.

5. The double-head automatic pipe bending machine according to claim 4 is characterized in that: A rotary drive motor (240) is fixedly mounted on the rear end of the outer wall of the pipe bending machine main body seat (280); a mounting plate is rotatably connected to the front end of the outer wall of the pipe bending machine main body seat (280); an output shaft of the rotary drive motor (240) is fixedly connected to the rear end of the outer wall of the mounting plate; a bottom of the front end of the outer wall of the mounting plate is slidably connected to a bottom support pipe seat (250) via an air-controlled guide rail; a pipe bending head (260) for bending a steel pipe is arranged at the top end of the outer wall of the mounting plate and above the bottom support pipe seat (250).

6. The double-head automatic pipe bending machine according to claim 4, characterized in that: A mobile driving motor (230) is fixedly installed at the top end of the outer wall of the mobile base plate (210) and located at the rear side of the motor bracket; the bottom end of the mobile driving motor (230) passes through the bottom end of the outer wall of the mobile base plate (210) and is fixed with a second driving gear (231); a mobile driving rack (232) is fixed at the top end of the outer wall of the machine platform (100) and located at the rear side of the second driving gear (231); the rear end of the outer wall of the second driving gear (231) is meshed with the outer wall of the mobile driving rack (232).

7. The double-head automatic pipe bending machine according to claim 1 is characterized in that: A clamping machine bracket (110) is arranged below the bottom end of the outer wall of the pipe clamping mechanism (300); the clamping machine bracket (110) is fixed to the top end of the outer wall of the machine platform (100) and is located between the two pipe bending mechanisms (200); the pipe clamping mechanism (300) comprises a movable base (310); the bottom end of the outer wall of the movable base (310) is slidably connected to the top end of the outer wall of the clamping machine bracket (110).

8. The double-head automatic pipe bending machine according to claim 7, characterized in that: A support seat (320) is fixed to the top of the outer wall of the movable base (310), a bottom pipe clamping seat (330) for clamping the steel pipe is arranged at the top of the outer wall of the support seat (320), and an upper pipe clamping seat (350) for matching clamping is arranged at the top of the outer wall of the bottom pipe clamping seat (330).

9. The double-head automatic pipe bending machine according to claim 8, characterized in that: A hydraulic telescopic cylinder (340) is installed at the top of the outer wall of the movable base (310) and located at the rear side of the support base (320); the top output shaft of the hydraulic telescopic cylinder (340) is hingedly connected to an upper fixed frame; the top of the outer wall of the upper clamping base (350) is connected to the bottom of the outer wall of the upper fixed frame; and the rear side of the bottom of the outer wall of the upper fixed frame is connected to the rear side of the top of the outer wall of the support base (320) via an end point bracket.

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