Pipe bending machine for metal pipe machining

Abstract

The utility model discloses a pipe bending machine for metal pipe processing, which comprises a machine body, a guide wheel, a steering seat and a pipe pressing frame, the guide wheel is arranged at the top end of the machine body, the steering seat is arranged on one side of the machine body, and the pipe pressing frame is arranged at the top end of the steering seat. According to the pipe bending machine for metal pipe machining, a driving bevel gear drives an upper driven bevel gear to rotate in the forward direction and drives a lower driven bevel gear to rotate in the reverse direction, so that two clamping half frames get close to each other to clamp a pipe, and in the same way, when the two clamping half frames need to get away from each other, a first rocker is rotated in the reverse direction; after a pipe is clamped between the two clamping half frames, a second rocker is rotated, a movable table drives an external frame to move towards a guide wheel, the pipe is clamped and positioned by the two clamping half frames in sequence, and a motor in the machine body drives one set of steering bases, the clamping half frames and the guide wheel to rotate synchronously. And the pipe bending effect is achieved in the rotating process of the guide wheels.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe bending machines, in particular to a pipe bending machine for processing metal pipes. Background Art

[0002] Pipe bending machine is a very important equipment, which is mainly used to bend various pipes to meet different engineering needs.

[0003] Some problems were found in the process of using the pipe bending machine. The pipe bending machine needs to be suitable for pipes of different diameters. Therefore, in the existing technology, multiple pipe bending machines or multiple clamping devices for clamping pipes of different diameters may be required in the production process.

[0004] However, multiple pipe bending machines require increased investment costs and floor space, and the various diameter pipe clamping devices make it impossible for the pipe bending machine to accurately select and adjust pipes of different diameters, and cannot meet the needs of bending pipes of different diameters. Utility Model Content

[0005] The utility model aims to provide a pipe bending machine for metal pipe processing, so as to solve the problem in the above background technology that the demand for bending pipes with different diameters cannot be met.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe bending machine for metal pipe processing, comprising a fuselage, a guide wheel, a steering seat and a pipe pressing frame, the top of the fuselage is provided with a guide wheel, one side of the fuselage is provided with a steering seat, the top of the steering seat is provided with a pipe pressing frame, the pipe pressing frame comprises an external frame, a first rocker, an active bevel gear, a driven bevel gear, a vertical screw, a clamping half frame and a positioning rod, the outer side of the external frame is provided with a first rocker, the inner side of the first rocker is fixedly connected with an active bevel gear, the upper and lower sides of the active bevel gear are provided with driven bevel gears, the active bevel gear is respectively meshed with two driven bevel gears, and one end of the driven bevel gear away from the active bevel gear is fixedly connected with a vertical screw, the outer side of the vertical screw is provided with a clamping half frame, the clamping half frame is threadedly connected to the vertical screw, and the clamping half frame is penetrated by the positioning rod, and both ends of the positioning rod are fixedly connected to the external frame.

[0007] Preferably, the steering seat includes a steering platform, a threaded rod, a second rocker, a limit rod and a moving platform. A threaded rod is provided at the top of the steering platform, one end of the threaded rod passes through the steering platform and is fixedly connected to the second rocker, the other end of the threaded rod is movably mounted on the steering platform, a limit rod is provided above the threaded rod, both ends of the limit rod are fixedly connected to the steering platform, and a moving platform is provided on the outer side of the limit rod.

[0008] Preferably, the movable platform is movably connected to the limiting rod, and the movable platform is threadedly connected to the threaded rod.

[0009] Preferably, an insert short rod is provided between the two driven bevel gears, and the insert short rod is movably connected to the two driven bevel gears respectively.

[0010] Preferably, a protection frame is provided on the outer side of the driven bevel gear, the protection frame is movably connected to the vertical screw rod, and the protection frame is fixedly connected to the positioning rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model discloses a pipe bending machine for metal pipe processing. The distance between the pipe pressing frame as a whole and the guide wheel is adjusted by rotating the second rocker to clamp the pipe. After the first rocker is rotated, the two clamping half frames are driven to approach or move away from each other at the same time, so that the distance between the two clamping half frames can be effectively adjusted. After the distance between the two clamping half frames is adjusted, the pipes of different sizes can be clamped and clamped by the guide wheel according to the arc-shaped surfaces at the front ends of the two clamping half frames, so as to meet the demand for bending pipes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 A top view of the utility model as a whole;

[0015] Figure 3 It is a cross-sectional view of the pipe pressing rack of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the steering seat of the utility model.

[0017] In the figure: 1. fuselage; 2. guide wheel; 3. steering seat; 31. steering platform; 32. threaded rod; 33. second rocker; 34. limit rod; 35. moving platform; 4. pipe pressing rack; 41. external frame; 42. first rocker; 43. driving bevel gear; 44. driven bevel gear; 45. vertical screw; 46. clamping half frame; 47. positioning rod; 48. protective frame. DETAILED DESCRIPTION

[0018] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] See also Figure 1-4 A pipe bending machine for metal pipe processing includes a fuselage 1, a guide wheel 2, a steering seat 3 and a pipe pressing frame 4, a guide wheel 2 is provided at the top of the fuselage 1, a steering seat 3 is provided on one side of the fuselage 1, a pipe pressing frame 4 is provided at the top of the steering seat 3, and there are two groups of steering seats 3 and pipe pressing frames 4, and the two groups of steering seats 3 have the same internal structure as the pipe pressing frames 4. The motor inside the fuselage 1 drives one group of steering seats 3 and the guide wheel 2 to rotate around the fuselage 1, and the other group of steering seats 3 is fixedly connected to the fuselage 1. The pipe pressing frame 4 includes an external frame 41, a first rocker 42, an active bevel gear 43, a driven bevel gear 44, a vertical screw 45, a clamping half frame 46 and a positioning rod 47, a first rocker 42 is provided on the outside of the external frame 41, and an active bevel gear 43 is fixedly connected to the inside of the first rocker 42, and a driven bevel gear 44 is provided above and below the active bevel gear 43, and the active bevel gear 43 is respectively connected to the two driven bevel gears. The gears 44 mesh with each other. When the two clamping half frames 46 need to approach each other, the active bevel gear 43 drives the upper driven bevel gear 44 to rotate forwardly, and drives the lower driven bevel gear 44 to rotate reversely. The end of the driven bevel gear 44 away from the active bevel gear 43 is fixedly connected to a vertical screw 45. A clamping half frame 46 is provided on the outer side of the vertical screw 45. The rotation of the driven bevel gear 44 drives the vertical screw 45. Through the threaded connection between the clamping half frame 46 and the vertical screw 45, the two clamping half frames 46 are brought close to each other to clamp the pipe. At the same time, the clamping half frame 46 is penetrated by the positioning rod 47, and both ends of the positioning rod 47 are fixedly connected to the external frame 41. The pipe is clamped and positioned by the two groups of clamping half frames 46 in turn. The motor in the fuselage 1 drives one group of steering seats 3 to rotate synchronously with the clamping half frame 46 and the guide wheel 2, and the pipe is bent during the rotation of the guide wheel 2.

[0020] Furthermore, the steering seat 3 includes a steering platform 31, a threaded rod 32, a second rocker 33, a limit rod 34 and a moving platform 35. A threaded rod 32 is provided at the top of the steering platform 31. One end of the threaded rod 32 passes through the steering platform 31 and is fixedly connected to the second rocker 33. The other end of the threaded rod 32 is movably mounted on the steering platform 31. A limit rod 34 is provided above the threaded rod 32. Both ends of the limit rod 34 are fixedly connected to the steering platform 31. A moving platform 35 is provided on the outer side of the limit rod 34. Through the threaded connection between the threaded rod 32 and the moving platform 35, the moving platform 35 drives the external frame 41 to move in the direction of the guide wheel 2, and the pipe is clamped and positioned by two groups of clamping half frames 46 in succession.

[0021] Furthermore, the movable platform 35 is movably connected to the limiting rod 34 , and the movable platform 35 is threadedly connected to the threaded rod 32 . When the threaded rod 32 rotates, the movable platform 35 moves, and at the same time, the movable platform 35 slides on the limiting rod 34 to maintain a stable position.

[0022] Furthermore, an insertion short rod is provided between the two driven bevel gears 44 , and the insertion short rod is movably connected to the two driven bevel gears 44 respectively to keep the driven bevel gears 44 rotating freely.

[0023] Furthermore, a protective frame 48 is provided on the outer side of the driven bevel gear 44, and the protective frame 48 is movably connected to the vertical screw 45, and the protective frame 48 is fixedly connected to the positioning rod 47. At the same time, the protective frame 48 protects the active bevel gear 43 and the driven bevel gear 44 to prevent interference from external factors.

[0024] Working principle: The utility model is a pipe bending machine for metal pipe processing. When in use, the pipe to be bent is placed between the arc surfaces at the front ends of the two clamping half frames 46. According to the diameter of the pipe, the first rocker 42 is rotated to drive the active bevel gear 43 to rotate, and the active bevel gear 43 and the driven bevel gear 44 are connected. The two clamping half frames 46 are meshed with each other. When the two clamping half frames 46 need to be close to each other, the active bevel gear 43 drives the upper driven bevel gear 44 to rotate forward, and drives the lower driven bevel gear 44 to rotate reversely, so that the two clamping half frames 46 are close to each other to clamp the pipe. Similarly, when the two clamping half frames 46 need to be away from each other, the first rocker 42 is rotated in the reverse direction to make the pipe stuck between the two clamping half frames 46, and then the second rocker 33 is rotated. Through the threaded connection between the threaded rod 32 and the moving platform 35, the moving platform 35 drives the external frame 41 to move in the direction of the guide wheel 2, and the pipe is clamped and positioned by the two groups of clamping half frames 46 in succession. The motor in the fuselage 1 drives one group of steering seats 3 and the clamping half frames 46 together with the guide wheel 2 to rotate synchronously, and the pipe is bent during the rotation of the guide wheel 2.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe bending machine for processing metal pipes, comprising a machine body (1), a guide wheel (2), a steering seat (3) and a pipe pressing frame (4), wherein the top of the machine body (1) is provided with a guide wheel (2), one side of the machine body (1) is provided with a steering seat (3), and the top of the steering seat (3) is provided with a pipe pressing frame (4), characterized in that: The pipe pressing frame (4) comprises an external frame (41), a first rocking arm (42), a driving bevel gear (43), a driven bevel gear (44), a vertical screw rod (45), a clamping half frame (46) and a positioning rod (47). The first rocking arm (42) is provided on the outside of the external frame (41), the driving bevel gear (43) is fixedly connected to the inside of the first rocking arm (42), the driving bevel gear (43) is provided above and below the driving bevel gear (43), and the driving bevel gear (44) is provided on the inside of the first rocking arm (42). The gear (43) is meshed with two driven bevel gears (44) respectively. One end of the driven bevel gear (44) away from the driving bevel gear (43) is fixedly connected to a vertical screw rod (45). A clamping half frame (46) is provided on the outer side of the vertical screw rod (45). The clamping half frame (46) is threadedly connected to the vertical screw rod (45). At the same time, the clamping half frame (46) is penetrated by a positioning rod (47), and both ends of the positioning rod (47) are fixedly connected to the external frame (41).

2. A metal pipe bending machine according to claim 1, characterized in that: The steering seat (3) comprises a steering platform (31), a threaded rod (32), a second rocker (33), a limit rod (34) and a moving platform (35). The top of the steering platform (31) is provided with a threaded rod (32). One end of the threaded rod (32) passes through the steering platform (31) and is fixedly connected to the second rocker (33). The other end of the threaded rod (32) is movably mounted on the steering platform (31). A limit rod (34) is provided above the threaded rod (32). Both ends of the limit rod (34) are fixedly connected to the steering platform (31). A moving platform (35) is provided on the outer side of the limit rod (34).

3. A metal pipe bending machine according to claim 2, characterized in that: The movable platform (35) is movably connected to the limiting rod (34), and the movable platform (35) is threadedly connected to the threaded rod (32).

4. The metal pipe bending machine according to claim 1, characterized in that: An insertion short rod is provided between the two driven bevel gears (44), and the insertion short rod is movably connected to the two driven bevel gears (44) respectively.

5. The metal pipe bending machine according to claim 1, characterized in that: A protection frame (48) is provided on the outer side of the driven bevel gear (44); the protection frame (48) is movably connected to the vertical screw rod (45), and the protection frame (48) is fixedly connected to the positioning rod (47).

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