Multi-degree-of-freedom guide plate adjusting device and method of thin-wall composite pipe three-roller mill

Abstract

The invention belongs to the technical field of thin-wall metal composite pipe forming, and particularly relates to a multi-degree-of-freedom guide plate adjusting device and method of a thin-wall composite pipe three-high mill. The multi-degree-of-freedom guide plate adjusting device comprises a sliding seat, and a first sliding block and a second transmission block are fixedly arranged on the left side and the right side of the sliding seat; the second transmission block is in threaded connection with a second lead screw, one end of the second lead screw is fixedly connected with an output shaft of a driving motor, the driving motor is fixedly installed on the inner side wall of the first shell, a first sliding groove corresponding to the first sliding block is formed in the inner side wall of the first shell, and air cylinders are arranged on the left side and the right side of the first shell correspondingly; the other end of the air cylinder is fixedly connected to the second shell. The position of the guide plate can be subjected to translation adjustment in the radial direction, the circumferential direction and the axial direction and rotation adjustment around the rotating platform, it is guaranteed that the guide plate can be attached to the roller, and the phenomenon of rolling clamping caused by the fact that metal is squeezed into the position between the roller and the guide plate can be effectively avoided for the thin-wall composite pipe.

Description

Technical Field

[0001] The invention belongs to the technical field of thin-walled metal composite pipe forming, and in particular relates to a multi-degree-of-freedom guide plate adjusting device and method for a three-roller rolling mill for thin-walled composite pipes. Background Art

[0002] With the rapid development of industrial technology, the performance requirements for seamless metal pipes under some extreme conditions are getting higher and higher. Although some alloy pipes can meet the performance requirements, they are expensive and difficult to form. Seamless metal composite pipes are made by compounding component metals, which can fully utilize the performance advantages of component metals and reduce the use of special metals, greatly improving the product cost performance. Therefore, they are widely used in aerospace, oil extraction, chemical corrosive media transportation, military industry, nuclear power and other fields.

[0003] The three-roller oblique rolling process is a rolling process for local loading and large aspect ratio tube manufacturing, which is widely used in the preparation of seamless metal tubes. This process has many advantages such as stable process, continuous forming, and high production efficiency, so it has become one of the most promising seamless metal composite tube preparation technologies. The main part of the rolling mill has three rollers and three guide plates. The three rollers are distributed at 120° in the main space. There is a guide plate between every two rollers. The rollers give deformation pressure to the composite tube, and the guide plate guides and limits the deformation of the composite tube. During the rolling process, the composite tube billet undergoes severe metal plastic deformation and becomes a triangular shape. In severe cases, the outer wall of the metal tube will be squeezed into the gap between the guide plate and the roller, resulting in rolling jams. In addition, when the composite tube is being compounded at the end, there is no deformation restriction on the rear metal tube, which will cause a serious tail triangle phenomenon, which will also cause rolling jams. The above situation seriously limits the continuity of production and the quality of the product. Adjusting the position of the guide plate between the two rollers can effectively improve the rolling jam phenomenon and improve production efficiency and product quality.

[0004] In the existing three-roller oblique rolling mill, the guide plate mainly moves in one direction by means of a screw nut, and manual operation and measurement are required, which results in low efficiency, little spatial freedom, and is unable to avoid the tearing of the tail triangle and outer tube of composite pipes of specific materials and wall thicknesses.

[0005] In view of this, developing a guide plate system that can achieve high-precision automatic positioning adjustment has become a technical challenge that needs to be overcome urgently. Summary of the invention

[0006] In view of the above problems, the present invention provides a multi-degree-of-freedom guide plate adjusting device and method for a three-roller rolling mill for thin-walled composite pipes.

[0007] To achieve the above object, the present invention adopts the following technical solutions:

[0008] A multi-degree-of-freedom guide plate adjustment device for a thin-walled composite pipe three-roll rolling mill comprises a slide seat, an end cover is fixedly arranged on the upper end surface of the slide seat, a hydraulic motor is fixed on the upper surface of the end cover, the output shaft of the hydraulic motor passes through the end cover and is fixedly connected to a No. 1 lead screw, the No. 1 lead screw is threadedly connected to a No. 1 transmission block, the No. 1 transmission block is fixedly connected to a slide plate, a clearance hole for making way for the No. 1 lead screw is opened inside the slide plate, the slide plate is slidably arranged in the slide seat, a guide plate base is connected to the lower end of the slide plate, a guide plate is connected to the lower end of the guide plate base, a pressure plate is fixedly connected to the front end surface of the slide seat by bolts, a locking oil cylinder is connected to the pressure plate by bolts, the movable end of the locking oil cylinder abuts against the slide plate, and the left and right sides of the slide seat are fixed A No. 1 slider and a No. 2 transmission block are arranged, the No. 2 transmission block is threadedly connected with the No. 2 lead screw, one end of the No. 2 lead screw is fixedly connected to the output shaft of the driving motor, the driving motor is fixedly installed on the inner side wall of the No. 1 shell, a No. 1 slide groove corresponding to the No. 1 slider is opened on the inner side wall of the No. 1 shell, a cylinder is arranged on the left and right sides of the No. 1 shell, the other end of the cylinder is fixedly connected to the No. 2 shell, a No. 2 slider is fixedly arranged on the front and rear sides of the No. 1 shell, a No. 2 slide groove corresponding to the No. 2 slider is opened on the inner side wall of the No. 2 shell, a rotating platform is arranged on the left and right sides of the No. 2 shell, the outer shell of the rotating platform is fixedly connected to the frame, and the output shaft of the rotating platform is fixedly connected to the No. 2 shell through a flange.

[0009] Furthermore, copper slide bars are arranged in the slide seat, the first slide groove and the second slide groove.

[0010] Furthermore, arc-shaped bars are provided on both the left and right sides of the second shell, and the arc-shaped bars are used to cooperate with the arc-shaped grooves on the frame to achieve support for the multi-degree-of-freedom guide plate adjustment device.

[0011] Furthermore, the center of the arc strip is located on the rotation center line of the rotating platform.

[0012] Furthermore, encoder No. 1, encoder No. 2 and encoder No. 3 are respectively arranged on the output shafts of the hydraulic motor, drive motor and rotating platform, and the encoder No. 1, encoder No. 2 and encoder No. 3 are all connected to the control console, and are respectively used to detect the displacement signal of the slide plate, the displacement signal of the slide seat and the rotation angle of the No. 2 shell. The cylinder is equipped with a displacement sensor, and the displacement signal of the No. 1 shell is detected by the built-in displacement sensor. The control console is also connected to the hydraulic motor, locking cylinder, drive motor, cylinder and rotating platform, and is used to control the operation of the hydraulic motor, locking cylinder, drive motor, cylinder and rotating platform.

[0013] Furthermore, the side of the guide plate close to the roller is arranged in an arc shape so that the guide plate can better fit the roller, thereby preventing the outer tube wall from being rolled in between the guide plate and the roller.

[0014] Furthermore, an oblique cut is arranged on the end surface of the guide plate in contact with the pipe, and the oblique cut is arranged on a side close to the rolling entrance.

[0015] Furthermore, a retractable dust cover is sleeved on the lower part of the slide plate, the upper end of the retractable dust cover is fixedly connected to the lower end surface of the slide seat, and the lower end of the retractable dust cover is fixedly connected to the lower end of the slide plate.

[0016] A multi-degree-of-freedom guide plate adjustment method for a three-roll thin-wall composite pipe rolling mill includes radial position adjustment, circumferential position adjustment, rotation angle adjustment and axial position adjustment, as follows:

[0017] Radial position adjustment: start the hydraulic motor through the control console, control the hydraulic motor to rotate forward or reverse according to the target position of the guide plate, and drive the No. 1 screw to rotate through the hydraulic motor. As the No. 1 screw rotates, the No. 1 transmission block drives the slide plate and the guide plate to move radially from the initial position to the target position. At the same time, the displacement distance of the guide plate is determined by the signal detected by the No. 1 encoder, and then it is judged whether the guide plate has moved to the target position. When the guide plate moves to the target position, the control console controls the hydraulic motor to stop working, and then controls the locking cylinder to extend, locks and fixes the slide plate to ensure its stable position, and completes the adjustment of the radial position of the guide plate;

[0018] Circumferential position adjustment: start the drive motor through the control console, control the drive motor to rotate forward or reverse according to the target position of the guide plate, and drive the No. 2 lead screw to rotate through the drive motor. As the No. 2 lead screw rotates, the No. 2 transmission block drives the slide and the guide plate to move radially from the initial position to the target position. At the same time, the displacement distance of the slide and the guide plate is determined by the signal detected by the No. 2 encoder, and then it is judged whether the guide plate has moved to the target position. When the guide plate moves to the target position, the control console controls the drive motor to stop working, and the circumferential position adjustment of the guide plate is completed;

[0019] Rotation angle adjustment: Start the rotating platform through the console, and control the rotating platform to rotate forward or reverse according to the target angle of the guide plate, thereby driving the No. 2 shell to rotate. At the same time, the angle of the guide plate is determined by the signal detected by the No. 3 encoder. When it is detected that the guide plate rotates to the target angle, the rotating platform stops working and the guide plate rotation angle is adjusted;

[0020] Axial position adjustment: According to the target position of the guide plate, the cylinder is controlled by the control console to work, thereby pushing the No. 1 shell to move. During the displacement process, the extension / retraction length of the cylinder is detected by the displacement sensor provided by the cylinder. When it is detected that the guide plate has reached the target position, the cylinder is controlled to stop working to complete the adjustment of the axial position of the guide plate.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] The present invention can adjust the position of the guide plate in radial, circumferential and axial directions, as well as in rotation around the rotating platform, to ensure that the guide plate can be close to the roller. For some composite pipes that undergo severe plastic deformation, especially thin-walled composite pipes, the present invention can effectively solve the problem of metal squeezing into the gap between the roller and the guide plate, which causes the rolling jam.

[0023] The guide plate of the present invention is arranged in an arc shape on one side close to the roller, so that the guide plate can be better fitted with the roller, thereby preventing the outer tube wall from being rolled between the guide plate and the roller. At the same time, the guide plate of the present invention is arranged with an oblique cut, and when the end of the composite tube is composited, the guide plate is moved toward the outlet direction by cooperating with the adjustment of the axial position of the guide plate, and the constraint of the guide plate at the end of the composite tube is released, thereby avoiding the problem of rolling jam caused by large deformation due to no subsequent restriction on the end of the composite tube.

[0024] The present invention adds a No. 1 encoder, a No. 2 encoder, a No. 3 encoder and a displacement sensor for parameter feedback, which can accurately reflect the position of the guide plate, thereby improving the adjustment accuracy of the guide plate, simplifying the adjustment process, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a usage state diagram of the present invention;

[0026] Figure 2 It is a schematic diagram of the assembly of the slide seat and the slide plate of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the present invention without a No. 1 shell;

[0028] Figure 4 It is a schematic diagram of the assembly of the pressing plate and the locking cylinder of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of the present invention without a No. 2 shell;

[0030] Figure 6 This is a schematic diagram of the structure of the first housing of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the present invention;

[0032] Figure 8It is a structural schematic diagram of the second shell of the present invention;

[0033] In the figure, slide 1, end cover 2, hydraulic motor 3, No. 1 lead screw 4, No. 1 transmission block 5, slide plate 6, guide plate base 7, guide plate 8, pressure plate 9, locking cylinder 10, No. 1 slider 11, No. 2 transmission block 12, No. 2 lead screw 13, drive motor 14, No. 1 housing 15, No. 1 slide 16, cylinder 17, No. 2 housing 18, No. 2 slider 19, No. 2 slide 20, rotating platform 21, arc strip 22, bevel cut 23, retractable dust cover 24. DETAILED DESCRIPTION

[0034] In order to further illustrate the technical solution of the present invention, the present invention is further described below through embodiments.

[0035] like Figures 1 to 8As shown, a multi-degree-of-freedom guide plate adjustment device for a three-roll rolling mill for thin-walled composite pipes comprises a slide 1, an end cover 2 is fixedly arranged on the upper end surface of the slide 1, a hydraulic motor 3 is fixed on the upper surface of the end cover 2, the output shaft of the hydraulic motor 3 passes through the end cover 2 and is fixedly connected to a No. 1 lead screw 4, the No. 1 lead screw 4 is threadedly connected to a No. 1 transmission block 5, the No. 1 transmission block 5 is fixedly connected to a slide plate 6, a clearance hole for making way for the No. 1 lead screw 4 is opened inside the slide plate 6, the slide plate 6 is slidably arranged in the slide 1, a guide plate base 7 is connected to the lower end of the slide plate 6, a retractable dust cover 24 is sleeved on the lower part of the slide plate 6, and the retractable dust cover 24 is sleeved on the lower part of the slide plate 6. The upper end of the dust cover 24 is fixedly connected to the lower end surface of the slide 1, and the lower end of the retractable dust cover 24 is fixedly connected to the lower end of the slide 6. A guide plate 8 is connected to the lower end of the guide plate base 7. The guide plate 8 is arranged in an arc shape on the side close to the roller so that the guide plate 8 can better fit the roller, thereby preventing the outer tube wall from being rolled in between the guide plate 8 and the roller. An oblique cut 23 is arranged on the end surface of the guide plate 8 in contact with the pipe, and the oblique cut 23 is arranged on the side close to the rolling entrance. A pressure plate 9 is fixedly connected to the front end surface of the slide 1 by bolts, and a locking cylinder 10 is connected to the pressure plate 9 by bolts. The movable end of the locking cylinder 10 is connected to the slide Plate 6 abuts, a No. 1 slider 11 and a No. 2 transmission block 12 are fixedly arranged on the left and right sides of the slide seat 1, the No. 2 transmission block 12 is threadedly connected with a No. 2 lead screw 13, one end of the No. 2 lead screw 13 is fixedly connected to the output shaft of a driving motor 14, the driving motor 14 is fixedly installed on the inner side wall of a No. 1 housing 15, a No. 1 slide groove 16 corresponding to the No. 1 slider 11 is provided on the inner side wall of the No. 1 housing 15, a cylinder 17 is provided on the left and right sides of the No. 1 housing 15, the other end of the cylinder 17 is fixedly connected to the No. 2 housing 18, a No. 2 slider 19 is fixedly arranged on the front and rear sides of the No. 1 housing 15, A No. 2 slide groove 20 corresponding to the No. 2 slider 19 is provided on the inner wall of the No. 2 shell 18, and a rotating platform 21 is provided on both sides of the No. 2 shell 18. The shell of the rotating platform 21 is fixedly connected to the frame, and the output shaft of the rotating platform 21 is fixedly connected to the No. 2 shell 18 through a flange. Arc bars 22 are provided on both sides of the No. 2 shell 18, and the arc bars 22 are used to cooperate with the arc grooves on the frame to support the multi-degree-of-freedom guide plate adjustment device. The center of the arc bar 22 is located on the rotation center line of the rotating platform 21, and copper slide bars are provided in the slide seat 1, the No. 1 slide groove 16 and the No. 2 slide groove 20.

[0036] An encoder No. 1, an encoder No. 2 and an encoder No. 3 are respectively arranged on the output shafts of the hydraulic motor 3, the drive motor 14 and the rotating platform 21. The encoder No. 1, the encoder No. 2 and the encoder No. 3 are all connected to the control console, and are respectively used to detect the displacement signal of the slide plate 6, the displacement signal of the slide seat 1 and the rotation angle of the No. 2 shell 18. The cylinder 17 is equipped with a displacement sensor, and the displacement signal of the No. 1 shell 15 is detected by the built-in displacement sensor. The control console is also connected to the hydraulic motor 3, the locking cylinder 10, the drive motor 14, the cylinder 17 and the rotating platform 21, and is used to control the operation of the hydraulic motor 3, the locking cylinder 10, the drive motor 14, the cylinder 17 and the rotating platform 21.

[0037] A multi-degree-of-freedom guide plate adjustment method for a three-roll thin-wall composite pipe rolling mill includes radial position adjustment, circumferential position adjustment, rotation angle adjustment and axial position adjustment, as follows:

[0038] Radial position adjustment: start the hydraulic motor 3 through the control console, control the hydraulic motor 3 to rotate forward or reverse according to the target position of the guide plate 8, and drive the No. 1 lead screw 4 to rotate through the hydraulic motor 3. As the No. 1 lead screw 4 rotates, the No. 1 transmission block 5 drives the slide plate 6 and the guide plate 8 to move radially from the initial position to the target position. At the same time, the displacement distance of the guide plate 8 is determined by the signal detected by the No. 1 encoder, and then it is determined whether the guide plate 8 has moved to the target position. When the guide plate 8 moves to the target position, the control console controls the hydraulic motor 3 to stop working, and then controls the locking cylinder 10 to extend, locks and fixes the slide plate 6 to ensure its stable position, and completes the adjustment of the radial position of the guide plate 8;

[0039] Circumferential position adjustment: start the drive motor 14 through the control console, control the drive motor 14 to rotate forward or reverse according to the target position of the guide plate 8, and drive the second lead screw 13 to rotate through the drive motor 14. As the second lead screw 13 rotates, the second transmission block 12 drives the slide 1 and the guide plate 8 to move radially from the initial position to the target position. At the same time, the displacement distance of the slide 1 and the guide plate 8 is determined by the signal detected by the second encoder, and then it is determined whether the guide plate 8 has moved to the target position. When the guide plate 8 moves to the target position, the control console controls the drive motor 14 to stop working, and the circumferential position adjustment of the guide plate 8 is completed;

[0040] Rotation angle adjustment: The rotating platform 21 is started through the console, and the rotating platform 21 is controlled to rotate forward or reverse according to the target angle of the guide plate 8, thereby driving the second housing 18 to rotate. At the same time, the angle of the guide plate 8 is determined by the signal detected by the third encoder. When it is detected that the guide plate 8 rotates to the target angle, the rotating platform 21 stops working, and the rotation angle of the guide plate 8 is adjusted;

[0041] Axial position adjustment: According to the target position of the guide plate 8, the cylinder 17 is controlled by the control console to work, thereby pushing the No. 1 shell 15 to move. During the displacement process, the extension / retraction length of the cylinder 17 is detected by the displacement sensor provided by the cylinder 17. When it is detected that the guide plate 8 has reached the target position, the cylinder 17 is controlled to stop working, thereby completing the adjustment of the axial position of the guide plate 8.

[0042] The above shows and describes the main features and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0043] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes, characterized in that: The invention comprises a slide seat (1), an end cover (2) is fixedly arranged on the upper end surface of the slide seat (1), a hydraulic motor (3) is fixed on the upper surface of the end cover (2), an output shaft of the hydraulic motor (3) passes through the end cover (2) and is fixedly connected to a first lead screw (4), the first lead screw (4) is threadedly connected to a first transmission block (5), the first transmission block (5) is fixedly connected to a slide plate (6), a clearance hole for making way for the first lead screw (4) is opened inside the slide plate (6), and the slide plate (6) 6) is slidably arranged in the slide seat (1), a guide plate base (7) is connected to the lower end of the slide plate (6), a guide plate (8) is connected to the lower end of the guide plate base (7), a pressure plate (9) is fixedly connected to the front end surface of the slide seat (1) by bolts, a locking cylinder (10) is connected to the pressure plate (9) by bolts, the movable end of the locking cylinder (10) is in contact with the slide plate (6), and a first slider (11) and a second transmission block (12) are fixedly arranged on both the left and right sides of the slide seat (1). 2), the second transmission block (12) is threadedly connected to the second lead screw (13), one end of the second lead screw (13) is fixedly connected to the output shaft of the drive motor (14), the drive motor (14) is fixedly mounted on the inner side wall of the first housing (15), a first slide groove (16) corresponding to the first slide block (11) is provided on the inner side wall of the first housing (15), a cylinder (17) is provided on both the left and right sides of the first housing (15), and the other end of the cylinder (17) is fixedly The first housing (15) is fixedly connected to the second housing (18), a second slider (19) is fixedly arranged on both the front and rear sides of the first housing (15), a second slide groove (20) corresponding to the second slider (19) is opened on the inner side wall of the second housing (18), a rotating platform (21) is arranged on both the left and right sides of the second housing (18), the outer shell of the rotating platform (21) is fixedly connected to the frame, and the output shaft of the rotating platform (21) is fixedly connected to the second housing (18) through a flange.

2. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: Copper slide bars are arranged in the slide seat (1), the first slide groove (16) and the second slide groove (20).

3. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: Arc bars (22) are provided on both the left and right sides of the second housing (18), and the arc bars (22) are used to cooperate with the arc grooves on the frame to support the multi-degree-of-freedom guide plate adjustment device.

4. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 3, characterized in that: The center of the arc strip (22) is located on the rotation center line of the rotating platform (21).

5. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: A No. 1 encoder, a No. 2 encoder and a No. 3 encoder are respectively arranged on the output shafts of the hydraulic motor (3), the drive motor (14) and the rotating platform (21); the No. 1 encoder, the No. 2 encoder and the No. 3 encoder are all connected to a control console and are respectively used to detect the displacement signal of the slide plate (6), the displacement signal of the slide seat (1) and the rotation angle of the No. 2 housing (18); the cylinder (17) is built with a displacement sensor, and the displacement signal of the No. 1 housing (15) is detected by the built-in displacement sensor; the control console is also connected to the hydraulic motor (3), the locking cylinder (10), the drive motor (14), the cylinder (17) and the rotating platform (21) and is used to control the operation of the hydraulic motor (3), the locking cylinder (10), the drive motor (14), the cylinder (17) and the rotating platform (21).

6. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: The guide plate (8) is arranged in an arc shape on one side close to the roller, so that the guide plate (8) can better fit the roller, thereby preventing the outer tube wall from being rolled in between the guide plate (8) and the roller.

7. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: An oblique cut (23) is arranged on the end surface of the guide plate (8) in contact with the pipe, and the oblique cut (23) is arranged on a side close to a rolling inlet.

8. The multi-degree-of-freedom guide plate adjustment device for a three-roll mill for thin-walled composite pipes according to claim 1, characterized in that: A retractable dust cover (24) is sleeved on the lower part of the slide plate (6), the upper end of the retractable dust cover (24) is fixedly connected to the lower end surface of the slide seat (1), and the lower end of the retractable dust cover (24) is fixedly connected to the lower end of the slide plate (6).

9. A method for adjusting the multi-degree-of-freedom guide plate of a three-roll thin-wall composite pipe rolling mill using the multi-degree-of-freedom guide plate adjusting device of the three-roll thin-wall composite pipe rolling mill according to claim 5, characterized in that: It includes radial position adjustment, circumferential position adjustment, rotation angle adjustment and axial position adjustment, as follows: Radial position adjustment: the control console starts the hydraulic motor (3), controls the hydraulic motor (3) to rotate forward or reverse according to the target position of the guide plate (8), and drives the first lead screw (4) to rotate through the hydraulic motor (3). As the first lead screw (4) rotates, the first transmission block (5) drives the slide plate (6) and the guide plate (8) to move radially from the initial position to the target position. At the same time, the displacement distance of the guide plate (8) is determined by the signal detected by the first encoder, and then it is determined whether the guide plate (8) has moved to the target position. When the guide plate (8) moves to the target position, the control console controls the hydraulic motor (3) to stop working, and then controls the locking cylinder (10) to extend, locks and fixes the slide plate (6), ensures that its position is stable, and completes the adjustment of the radial position of the guide plate (8); Circumferential position adjustment: the control console starts the driving motor (14), controls the driving motor (14) to rotate forward or reverse according to the target position of the guide plate (8), and drives the second lead screw (13) to rotate through the driving motor (14). As the second lead screw (13) rotates, the second transmission block (12) drives the slide seat (1) and the guide plate (8) to move radially from the initial position to the target position. At the same time, the displacement distance of the slide seat (1) and the guide plate (8) is determined by the signal detected by the second encoder, and then it is determined whether the guide plate (8) has moved to the target position. When the guide plate (8) moves to the target position, the control console controls the driving motor (14) to stop working, and the circumferential position adjustment of the guide plate (8) is completed; Rotation angle adjustment: the rotating platform (21) is started through the control console, and the rotating platform (21) is controlled to rotate forward or reverse according to the target angle of the guide plate (8), thereby driving the second housing (18) to rotate, and at the same time, the angle of the guide plate (8) is determined by the signal detected by the third encoder. When it is detected that the guide plate (8) rotates to the target angle, the rotating platform (21) stops working, and the adjustment of the rotation angle of the guide plate (8) is completed; Axial position adjustment: According to the target position of the guide plate (8), the control console controls the cylinder (17) to work, thereby pushing the No. 1 shell (15) to move. During the displacement process, the displacement sensor of the cylinder (17) detects the extension / retraction length of the cylinder (17). When it is detected that the guide plate (8) reaches the target position, the cylinder (17) is controlled to stop working, and the axial position of the guide plate (8) is adjusted.

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