Milling device with adjustable angle

Abstract

The utility model relates to the technical field of milling machine equipment, and discloses an angle-adjustable milling device which comprises a milling machine three-coordinate moving table, a mounting seat is rotatably connected to the milling machine three-coordinate moving table, a second belt pulley is fixedly connected to the lower side of the mounting seat, and a threaded rod is rotatably connected to the inner side of the second belt pulley. The lower end of the threaded rod is rotationally connected with a support, the inner side of the support is rotationally connected with a third motor, the output end of the third motor is fixedly connected with a milling cutter, and a first servo motor is installed on the upper side of the milling machine three-coordinate moving table. The belt drives the mounting base, the limiting sleeve, the third motor and the milling cutter to rotate together in the horizontal plane, so that the function of 360-degree angle adjustment of the milling cutter in a pipeline or a tank body is achieved, and the angle adjustment range is larger.

Description

Technical Field

[0001] This utility model relates to the field of milling equipment technology, and in particular to a milling device with adjustable angle. Background Technology

[0002] In industrial production, in order to improve the corrosion resistance of the inner surface of petrochemical transportation pipelines, it is necessary to carry out anti-corrosion treatment on the inner surface of the pipeline. In order to ensure the quality and performance of the pipeline, the inner surface of the pipeline is often milled by ball end mill. However, due to the limited diameter of the pipeline or storage tank and the limited operating space, the existing milling equipment cannot meet the needs of circumferential milling within a 360-degree space.

[0003] For example, Chinese utility model patent CN222662060U discloses an adjustable-angle milling device, including a milling device mounted on a machine base. Although this adjustable-angle milling device, by having a rotating mechanism, can quickly adjust the spindle angle to adapt to different processing needs, this solution can only adjust the angle within the plane where the machine base and the angle scale are located, and the adjustment angle range is limited. In addition, it can only adjust the angle within one plane. It cannot meet the needs of adjusting the angle within the three-dimensional space of the inner surface of a pipe or tank, that is, the need to adjust the angle simultaneously in the horizontal or vertical plane. Based on this, an adjustable-angle milling device that can solve the above problems is proposed. Utility Model Content

[0004] To solve the technical problem of adjusting the milling angle of the inner surface of a pipe, this utility model provides a milling device with adjustable angle.

[0005] This utility model is achieved using the following technical solution: an angle-adjustable milling device, including a three-coordinate moving table of a milling machine, a mounting base rotatably connected to the three-coordinate moving table of the milling machine, a second pulley fixedly connected to the lower side of the mounting base, a threaded rod rotatably connected to the inner side of the second pulley, a support rotatably connected to the lower end of the threaded rod, a third motor rotatably connected to the inner side of the support, a milling cutter fixedly connected to the output end of the third motor, a first servo motor mounted on the upper side of the three-coordinate moving table of the milling machine, the output end of the first servo motor passing downward through the three-coordinate moving table of the milling machine and fixedly connected to a first pulley, a belt provided between the first pulley and the second pulley, and a vertical angle adjustment mechanism for rotating the milling cutter vertically provided on the threaded rod.

[0006] As a further improvement to the above solution, the up and down angle adjustment mechanism includes a limiting sleeve fixedly connected to the lower side of the second pulley, the threaded rod is located inside the limiting sleeve, and a movable slide mechanism is provided inside the limiting sleeve.

[0007] As a further improvement to the above solution, a limiting groove is provided on one side of the limiting sleeve.

[0008] As a further improvement to the above solution, the movable slide mechanism includes a threaded sleeve that is threadedly connected to the threaded rod. The outer side of the threaded sleeve is slidably connected to the inner side of the limiting sleeve. A fixed platform that is slidably connected to the inner side of the limiting groove is fixedly connected to one side of the threaded sleeve. A linkage drive mechanism is provided on the side of the fixed platform away from the threaded rod.

[0009] As a further improvement to the above solution, the linkage drive mechanism includes a pull rod rotatably connected to one side of the fixed platform, and the end of the pull rod away from the threaded sleeve is rotatably connected to one side of the No. 3 motor. The upper side of the mounting base is provided with a motor drive mechanism that causes the threaded sleeve to move up and down reciprocally.

[0010] As a further improvement to the above solution, the motor drive mechanism includes a second servo motor mounted on the mounting base, the upper end of the threaded rod extending upward through the mounting base, and the upper end of the threaded rod being fixedly connected to the output end of the second servo motor.

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

[0012] 1. This utility model uses a servo motor to drive a pulley to rotate, which in turn drives the mounting base, limit sleeve, motor 3, and milling cutter to rotate together in the horizontal plane. This enables the milling cutter to adjust its angle 360 ​​degrees inside the pipe or tank, providing a wider range of angle adjustment.

[0013] 2. This utility model uses a second servo motor to drive the threaded rod to rotate. Under the limiting action of the limiting groove on the threaded sleeve, the threaded sleeve can move up and down along the limiting sleeve, indirectly driving one end of the pull rod to move up and down. This enables the third motor and the milling cutter to swing up and down in the vertical plane on the support, thereby further expanding the angle adjustment range of the milling cutter to better meet the milling needs of complex structures inside the tank. Attached Figure Description

[0014] Figure 1 A schematic diagram of the overall structure of an angle-adjustable milling device provided by this utility model;

[0015] Figure 2 for Figure 1 A bottom view;

[0016] Figure 3 This is a schematic diagram of the threaded sleeve in one embodiment of the present invention.

[0017] Explanation of key symbols:

[0018] 1. Milling machine three-axis moving table; 2. Servo motor No. 1; 3. Servo motor No. 2; 4. Mounting base; 5. Limit sleeve; 6. Threaded rod; 7. Support; 8. Milling cutter; 9. Motor No. 3; 10. Tie rod; 11. Threaded sleeve; 12. Pulley No. 2; 13. Belt; 14. Pulley No. 1; 15. Limit groove. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0020] Example:

[0021] Please combine Figure 1 - Figure 3 This embodiment of an angle-adjustable milling device includes a three-coordinate moving table 1 for a milling machine. The three-coordinate moving table 1 can drive the entire milling device to move up, down, left, right, forward, and backward inside a pipe or tank. A mounting base 4 is rotatably connected to the three-coordinate moving table 1. The mounting base 4 has a circular structure. A second pulley 12 is fixedly connected to the lower side of the mounting base 4. A threaded rod 6 is rotatably connected to the inner side of the second pulley 12. The threaded rod 6 passes upward through the interior of the mounting base 4, i.e., it rotates inside the mounting base 4. A support 7 is rotatably connected to the lower end of the threaded rod 6. A third motor 9 is rotatably connected to the inner side of the support 7. A milling cutter 8 is fixedly connected to the output end of the third motor 9. A first servo motor 2 is installed on the upper side of the three-coordinate moving table 1. The output end of the first servo motor 2 passes downward through the three-coordinate moving table 1 and is fixedly connected to a first pulley 14. A belt 13 is provided between the first pulley 14 and the second pulley 12. An up-and-down angle adjustment mechanism for rotating the milling cutter 8 is provided on the threaded rod 6.

[0022] It should be noted that in this embodiment, the milling angle adjustment of the milling cutter 8 is driven by a combination of belt and pulley. In other embodiments, it can be driven by a sprocket or chain, which is also within the protection scope of this utility model. With the above technical solution, when the second pulley 12 rotates, it can drive the entire mounting base 4, the limiting sleeve 5 and the third motor 9 to rotate together.

[0023] Please combine Figure 2 As shown, the up and down angle adjustment mechanism includes a limiting sleeve 5 fixedly connected to the lower side of the second pulley 12. The limiting sleeve 5 has a hollow structure, and the threaded rod 6 is located inside the limiting sleeve 5. A movable slide mechanism is provided inside the limiting sleeve 5.

[0024] Please combine Figure 2As shown, a limiting groove 15 is provided on one side of the limiting sleeve 5. The limiting groove 15 is a linear groove, and the threaded sleeve 11 can move up and down along the limiting groove 15.

[0025] Please combine Figure 3 As shown, the movable slide mechanism includes a threaded sleeve 11 that is threadedly connected to the threaded rod 6. The outer side of the threaded sleeve 11 is slidably connected to the inner side of the limiting sleeve 5. A fixed platform is fixedly connected to one side of the threaded sleeve 11 and slidably connected to the inner side of the limiting groove 15. A linkage drive mechanism is provided on the side of the fixed platform away from the threaded rod 6. The linkage drive mechanism includes a pull rod 10 that is rotatably connected to one side of the fixed platform. The end of the pull rod 10 away from the threaded sleeve 11 is rotatably connected to one side of the No. 3 motor 9. A motor drive mechanism that causes the threaded sleeve 11 to move up and down is provided on the upper side of the mounting base 4.

[0026] With the above technical solution, when the threaded rod 6 rotates clockwise, the threaded sleeve 11 moves downward and the pull rod 10 pushes the No. 3 motor 9 to rotate clockwise; when the threaded rod 6 rotates counterclockwise, the threaded sleeve 11 moves upward and the pull rod 10 pulls the No. 3 motor 9 to rotate counterclockwise.

[0027] Please combine Figure 1 As shown, the motor drive mechanism includes a second servo motor 3 mounted on the mounting base 4, the upper end of the threaded rod 6 extending upward through the mounting base 4, and the upper end of the threaded rod 6 being fixedly connected to the output end of the second servo motor 3.

[0028] Through the above technical solution, the second servo motor 3 can drive the threaded rod 6 to rotate relative to the mounting base 4.

[0029] The implementation principle of an angle-adjustable milling device in this application embodiment is as follows: When the first servo motor 2 starts, it drives the first pulley 14 to rotate, which in turn drives the second pulley 12 to rotate through the belt 13. Since the second pulley 12 is fixedly connected to the lower side of the mounting base 4, it can drive the second servo motor 3, the mounting base 4, and the limiting sleeve 5 to rotate together. Since the threaded sleeve 11 is limited by the limiting groove 15 on the limiting sleeve 5, the threaded sleeve 11 is pushed laterally by the pull rod 10, which achieves the effect of driving the third motor 9 and the milling cutter 8 to rotate together with the mounting base 4.

[0030] When the second servo motor 3 starts and drives the threaded rod 6 to rotate, the threaded sleeve 11 moves up and down under the limiting action of the limiting sleeve 5, which can pull the pull rod 10. The other end of the pull rod 10 drives the third motor 9 to swing and rotate, thereby driving the milling cutter 8 to adjust the milling angle in the vertical plane.

[0031] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An angle-adjustable milling device, comprising a three-axis moving table (1) of a milling machine, characterized in that, A mounting base (4) is rotatably connected to the three-coordinate moving table (1) of the milling machine. A second pulley (12) is fixedly connected to the lower side of the mounting base (4). A threaded rod (6) is rotatably connected to the inner side of the second pulley (12). A support (7) is rotatably connected to the lower end of the threaded rod (6). A third motor (9) is rotatably connected to the inner side of the support (7). A milling cutter (8) is fixedly connected to the output end of the third motor (9). A first servo motor (2) is installed on the upper side of the three-coordinate moving table (1). The output end of the first servo motor (2) passes downward through the three-coordinate moving table (1) of the milling machine and is fixedly connected to a first pulley (14). A belt (13) is provided between the first pulley (14) and the second pulley (12). A vertical angle adjustment mechanism for the milling cutter (8) to rotate up and down is provided on the threaded rod (6).

2. The angle-adjustable milling device as described in claim 1, characterized in that, The up and down angle adjustment mechanism includes a limiting sleeve (5) fixedly connected to the lower side of the second pulley (12), the threaded rod (6) is located inside the limiting sleeve (5), and a movable slide mechanism is provided inside the limiting sleeve (5).

3. The angle-adjustable milling device as described in claim 2, characterized in that, A limiting groove (15) is provided on one side of the limiting sleeve (5).

4. The angle-adjustable milling device as described in claim 3, characterized in that, The movable slide mechanism includes a threaded sleeve (11) that is threadedly connected to the threaded rod (6). The outer side of the threaded sleeve (11) is slidably connected to the inner side of the limiting sleeve (5). A fixed platform that is slidably connected to the inner side of the limiting groove (15) is fixedly connected to one side of the threaded sleeve (11). A linkage drive mechanism is provided on the side of the fixed platform away from the threaded rod (6).

5. The angle-adjustable milling device as described in claim 4, characterized in that, The linkage drive mechanism includes a pull rod (10) rotatably connected to one side of the fixed platform. One end of the pull rod (10) away from the threaded sleeve (11) is rotatably connected to one side of the No. 3 motor (9). The upper side of the mounting base (4) is provided with a motor drive mechanism that causes the threaded sleeve (11) to move up and down reciprocally.

6. The angle-adjustable milling device as described in claim 5, characterized in that, The motor drive mechanism includes a second servo motor (3) mounted on the mounting base (4), the upper end of the threaded rod (6) extending upward through the mounting base (4), and the upper end of the threaded rod (6) being fixedly connected to the output end of the second servo motor (3).

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