Numerical control pipe bending machine

Abstract

The utility model belongs to the technical field of pipe bending machines, and particularly relates to a numerical control pipe bending machine which comprises a machine box, a working table is fixedly arranged at the top of the machine box, a connecting plate is fixedly arranged at the top of the working table, a transverse plate is movably arranged at the top of the connecting plate, and a rotating motor is fixedly arranged at the top of the transverse plate. A positioning sleeve is fixedly arranged at the output end of the rotating motor, a push rod motor is fixedly arranged at the top of the connecting plate, the output end of the push rod motor is fixedly connected with one side of the rotating motor, two first limiting rails are fixedly arranged on one side of the machine box, and a pipe bending assembly is movably arranged on the two first limiting rails; by arranging the forming roller, the pipeline limiting plate, a plurality of passing grooves with different sizes in the forming roller and a plurality of arc-shaped grooves in the pipeline limiting plate, processing of pipelines with different specifications can be achieved, and the application range of the equipment is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe bending machines, in particular to a numerically controlled pipe bending machine. Background Art

[0002] A pipe bending machine refers to a machine used for bending pipes and can also be used as a jack. It is roughly divided into CNC pipe bending machines, hydraulic pipe bending machines, etc., and is used in the laying and repair of pipelines in power construction, highway and railway construction, bridges, ships, etc. Pipe bending machines can be roughly divided into CNC pipe bending machines, hydraulic pipe bending machines, etc., and are mainly used for the laying and repair of pipelines in power construction, highway and railway construction, boilers, bridges, ships, furniture, decoration, etc. It has the advantages of multiple functions, reasonable structure and simple operation. In addition to the pipe bending function, this machine can also use the cylinder as a hydraulic jack. Compared with CNC pipe bending equipment, it has the characteristics of low price and easy use, and occupies a leading product position in the domestic pipe bending machine market.

[0003] However, the existing equipment does not have a forming roller with multiple grooves and can only process pipes with one inner diameter, which limits the scope of application. In addition, the pipe bending machine does not have an automatic angle adjustment function. When the bending direction of the pipe needs to be changed, the pipe needs to be removed and re-fixed, which reduces the convenience of pipe processing. For this reason, a CNC pipe bending machine is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a CNC pipe bending machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a CNC pipe bending machine, including a chassis, a workbench is fixedly provided on the top of the chassis, a connecting plate is fixedly provided on the top of the workbench, a cross plate is movably provided on the top of the connecting plate, a rotating motor is fixedly provided on the top of the cross plate, a positioning sleeve is fixedly provided on the output end of the rotating motor, a push rod motor is fixedly provided on the top of the connecting plate, the output end of the push rod motor is fixedly connected to one side of the rotating motor, two first limiting rails are fixedly provided on one side of the chassis, and a pipe bending assembly is movably provided on the two first limiting rails.

[0006] As a further description of the above technical solution:

[0007] The bending pipe assembly includes a fixed plate movably connected to a first limiting track, a connecting platform is fixedly provided on one side of the fixed plate, a turntable is movably provided on the top of the connecting platform, a guide plate is fixedly provided on the turntable, a first driving assembly is fixedly provided on one side of the fixed plate, an output end of the first driving assembly is hinged to one side of the connecting platform, a forming roller is clamped on the top of the turntable, a plurality of passing grooves are provided on the forming roller, and a limiting structure is provided on the top of the guide plate.

[0008] As a further description of the above technical solution:

[0009] An insertion rod is fixedly provided on the top of the turntable, a socket is provided at the center of the forming roller, the insertion rod and the socket are matched, two limiting holes are provided on the top of the turntable, two limiting columns are fixedly provided on the bottom of the forming roller, and the limiting columns and the limiting holes are matched.

[0010] As a further description of the above technical solution:

[0011] The limiting structure includes a second driving assembly fixedly mounted on the guide plate and two second limiting rails fixedly mounted on the guide plate. A mounting plate is fixedly mounted on the output end of the second driving assembly, and a pipeline limiting plate is fixedly mounted on one end of the mounting plate.

[0012] As a further description of the above technical solution:

[0013] Two mounting blocks are fixedly provided on the front of the mounting plate, and vertical plates are fixedly provided on the front of the two mounting blocks. The bottoms of the two vertical plates are movably connected to the second limiting track.

[0014] As a further description of the above technical solution:

[0015] A plurality of arc grooves are arranged on one side of the pipeline limiting plate, and the arc grooves are matched with the passing grooves on the forming roller.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, this CNC pipe bending machine can process pipes of different specifications by setting a forming roller and a pipe limiting plate, a plurality of through grooves of different sizes on the forming roller and a plurality of arc grooves on the pipe limiting plate, thereby improving the application range of the equipment.

[0018] 2. Compared with the prior art, this CNC pipe bending machine is provided with a rotating motor. When the bending direction needs to be changed, the second driving component is started to drive the pipe limit plate to break away from the contact with the pipe, and then the rotating motor is started. The rotating motor drives the positioning sleeve, and the positioning sleeve drives the pipe, thereby realizing the adjustment of the bending direction of the pipe, without the need for frequent disassembly of the pipe for adjustment, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a first-view stereoscopic structural diagram of a CNC pipe bending machine proposed by the utility model;

[0020] Figure 2 A schematic diagram of the three-dimensional structure from a second perspective of a CNC pipe bending machine proposed by the utility model;

[0021] Figure 3 A first-view stereoscopic diagram of a pipe bending assembly and a limiting structure in a CNC pipe bending machine proposed by the utility model;

[0022] Figure 4 This is a second-view stereoscopic schematic diagram of a pipe bending assembly and a limiting structure in a CNC pipe bending machine proposed by the utility model.

[0023] Legend:

[0024] 1. Chassis; 2. Workbench; 3. Connecting plate; 4. Horizontal plate; 5. Rotating motor; 6. Positioning sleeve; 7. Push rod motor; 8. First limiting track; 9. Bending pipe assembly; 901. Fixed plate; 902. Connecting table; 903. Turntable; 904. Guide plate; 905. First driving assembly; 906. Forming roller; 10. Limiting structure; 101. Second driving assembly; 102. Second limiting track; 103. Vertical plate; 104. Pipeline limiting plate. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figures 1 to 4The utility model provides a CNC pipe bending machine: it includes a chassis 1, a workbench 2 is fixedly provided on the top of the chassis 1, a connecting plate 3 is fixedly provided on the top of the workbench 2, a cross plate 4 is movably provided on the top of the connecting plate 3, a rotating motor 5 is fixedly provided on the top of the cross plate 4, the rotating motor 5 can adjust the bending direction of the pipe without frequent disassembly of the pipe for adjustment, and the processing efficiency is improved. A positioning sleeve 6 is fixedly provided on the output end of the rotating motor 5, a push rod motor 7 is fixedly provided on the top of the connecting plate 3, and the output end of the push rod motor 7 is fixedly connected to one side of the rotating motor 5. Two first limiting rails 8 are fixedly provided on one side of the chassis 1, and a bending assembly 9 is movably provided on the two first limiting rails 8. The bending assembly 9 includes a fixed plate 901 movably connected to the first limiting rail 8, and a connecting platform 9 is fixedly provided on one side of the fixed plate 901 02. A turntable 903 is movably provided on the top of the connecting platform 902, a guide plate 904 is fixed on the turntable 903, a first driving assembly 905 is fixed on one side of the fixed plate 901, the output end of the first driving assembly 905 is hinged to one side of the connecting platform 902, a forming roller 906 is clamped on the top of the turntable 903, a plug rod is fixed on the top of the turntable 903, a plug hole is provided at the center of the forming roller 906, the plug rod and the plug hole are adapted, two limiting holes are provided on the top of the turntable 903, two limiting columns are fixed on the bottom of the forming roller 906, the limiting columns and the limiting holes are adapted, a plurality of through grooves are provided on the forming roller 906, a plurality of through grooves of different sizes on the forming roller 906 and a plurality of arc grooves on the pipeline limiting plate 104 can realize the processing of pipelines of different specifications, thereby improving the application range of the equipment;

[0027] A limiting structure 10 is provided on the top of the guide plate 904, and the limiting structure 10 includes a second driving component 101 fixedly mounted on the guide plate 904 and two second limiting rails 102 fixedly mounted on the guide plate 904. A mounting plate is fixedly mounted on the output end of the second driving component 101, and a pipeline limiting plate 104 is fixedly mounted on one end of the mounting plate. Two mounting blocks are fixedly mounted on the front of the mounting plate, and vertical plates 103 are fixedly mounted on the front of the two mounting blocks. The bottoms of the two vertical plates 103 are movably connected to the second limiting rail 102, and a plurality of arc grooves are provided on one side of the pipeline limiting plate 104, which are matched with the through grooves on the forming roller 906.

[0028] Working principle: When in use, first install the pipe to be processed in the positioning sleeve 6, then adjust the height of the forming roller 906 according to the thickness of the pipe, drive the fixed plate 901 through the driving member, and the fixed plate 901 drives the connecting platform 902, the forming roller 906 and the limiting structure 10. When the height of the forming roller 906 is appropriate, stop adjusting the fixed plate 901, and then start the push rod motor 7, the push rod motor 7 drives the rotating motor 5, and the rotating motor 5 drives the pipe to move. When the position where the pipe needs to be bent moves to between the forming roller 906 and the pipe limiting plate 104, turn off the push rod motor 7, and then start the second drive assembly 101. The second drive assembly 101 drives the pipe limiting plate 104 to move. When the arc of the pipe limiting plate 104 After the groove and the passing groove of the forming roller 906 are in contact with the pipeline, the second drive component 101 is closed, and then the first drive component 905 is started. The first drive component 905 pushes the guide plate 904, and the guide plate 904 drives the turntable 903 to rotate. The turntable 903 then drives the forming roller 906, and the forming roller 906 and the pipeline limiting plate 104 drive the pipeline at the same time to achieve the bending of the pipeline. When the bending is completed and the bending direction needs to be changed, the second drive component 101 is started to drive the pipeline limiting plate 104 to break away from the contact with the pipeline, and then the rotating motor 5 is started. The rotating motor 5 drives the positioning sleeve 6, and the positioning sleeve 6 drives the pipeline, thereby realizing the adjustment of the bending direction of the pipeline, without the need for frequent disassembly of the pipeline for adjustment, thereby improving the processing efficiency.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC pipe bending machine, comprising a chassis (1), characterized in that: A workbench (2) is fixedly provided on the top of the chassis (1), a connecting plate (3) is fixedly provided on the top of the workbench (2), a transverse plate (4) is movably provided on the top of the connecting plate (3), a rotating motor (5) is fixedly provided on the top of the transverse plate (4), a positioning sleeve (6) is fixedly provided on the output end of the rotating motor (5), a push rod motor (7) is fixedly provided on the top of the connecting plate (3), the output end of the push rod motor (7) is fixedly connected to one side of the rotating motor (5), two first limiting rails (8) are fixedly provided on one side of the chassis (1), and a bending pipe assembly (9) is movably provided on the two first limiting rails (8).

2. A CNC pipe bending machine according to claim 1, characterized in that: The bending pipe assembly (9) comprises a fixed plate (901) movably connected to a first limiting track (8); a connecting platform (902) is fixedly provided on one side of the fixed plate (901); a turntable (903) is movably provided on the top of the connecting platform (902); a guide plate (904) is fixedly provided on the turntable (903); a first driving assembly (905) is fixedly provided on one side of the fixed plate (901); an output end of the first driving assembly (905) is hinged to one side of the connecting platform (902); a forming roller (906) is clamped on the top of the turntable (903); a plurality of passing grooves are provided on the forming roller (906); and a limiting structure (10) is provided on the top of the guide plate (904).

3. A CNC pipe bending machine according to claim 2, characterized in that: The top of the turntable (903) is fixedly provided with an insertion rod, the center of the forming roller (906) is provided with a socket, the insertion rod and the socket are matched, the top of the turntable (903) is provided with two limit holes, the bottom of the forming roller (906) is fixedly provided with two limit columns, the limit columns and the limit holes are matched.

4. A CNC pipe bending machine according to claim 2, characterized in that: The limiting structure (10) comprises a second driving component (101) fixedly mounted on the guide plate (904) and two second limiting rails (102) fixedly mounted on the guide plate (904); a mounting plate is fixedly mounted on the output end of the second driving component (101); and a pipeline limiting plate (104) is fixedly mounted on one end of the mounting plate.

5. A CNC pipe bending machine according to claim 4, characterized in that: Two mounting blocks are fixedly provided on the front of the mounting plate, and vertical plates (103) are fixedly provided on the front of the two mounting blocks. The bottoms of the two vertical plates (103) are movably connected to the second limiting track (102).

6. A CNC pipe bending machine according to claim 4, characterized in that: A plurality of arc-shaped grooves are provided on one side of the pipeline limiting plate (104), and the arc-shaped grooves are matched with the passing grooves on the forming roller (906).

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