A titanium alloy tube grinding device that is easy to control

Abstract

This invention discloses a controllable titanium alloy tube grinding device. Two sets of mounting cylinders are arranged above the operating table, and these cylinders are connected to the top of the operating table via connecting rods. The outer sides of the two sets of mounting cylinders are connected by a drive ring, which is rotatably connected to the outer sides of the two sets of mounting cylinders. The inner side of the drive ring is connected to an arc-shaped positioning block rotatably arranged inside the mounting cylinder via a connecting block, and a matching arc-shaped grinding plate is fixedly installed on the inner side of the arc-shaped positioning block. A first driven wheel is fixedly arranged on the outer side of the drive ring, and the first driven wheel is connected to a first driving wheel via a first transmission belt. The first driving wheel is installed on the outer side of a rotating rod, and the rotating rod is rotatably connected to the inside of a support box. This controllable titanium alloy tube grinding device addresses the problem that existing titanium alloy tube grinding equipment cannot simultaneously grind the inner wall and end face of the tube by arranging two sets of mounting cylinders above the operating table.

Description

Technical Field

[0001] This invention relates to the field of titanium alloy tube technology, specifically to a titanium alloy tube grinding device that is easy to control. Background Technology

[0002] Titanium alloy pipe is a type of pipe made of titanium alloy material. It has high mechanical properties, excellent stamping performance, and can be welded in various forms. The strength of the welded joint can reach 90% of the strength of the base metal. It also has good machinability. During the production process of titanium alloy pipe, the outer wall needs to be ground.

[0003] A search revealed existing technology, such as announcement number CN220445946U, which describes a grinding device for titanium alloy pipes. This device includes a lowering column, with a fixed end of a telescopic rod fixedly installed at the upper part of the movable end of the column. A centering mechanism is fixedly installed at the movable end of the telescopic rod, and a rotating ring is rotatably installed near the centering mechanism at the movable end of the telescopic rod. A drive mechanism for rotating the rotating ring is also installed on the movable end of the telescopic rod. By adjusting the rotation of the nut, a screw can be raised or lowered, thereby raising or lowering the grinding block to adjust its height. This device is suitable for grinding titanium alloy inner pipes of different inner diameters, improving the versatility of the grinding equipment. The centering mechanism at the end of the telescopic rod automatically centers the device before grinding, making the grinding equipment coaxial with the pipe. This simplifies operation, makes it convenient to use, and improves work efficiency. Furthermore, the centering mechanism also supports the telescopic rod during grinding, making the grinding process more stable.

[0004] In summary, existing titanium alloy pipe grinding equipment is simple to operate, convenient to use, and improves work efficiency. However, existing titanium alloy pipe grinding equipment cannot grind the outer wall and end face of the pipe at the same time. Therefore, a titanium alloy pipe grinding device that is easy to control is proposed. Summary of the Invention

[0005] The purpose of this invention is to provide a titanium alloy tube grinding device that is easy to control, so as to solve the problem mentioned in the background art that the existing titanium alloy tube grinding equipment cannot grind the outer wall and end face of the tube at the same time.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a controllable titanium alloy tube grinding device, comprising an operating table, two sets of mounting cylinders arranged above the operating table, the mounting cylinders being connected to the top of the operating table via connecting rods, the outer sides of the two sets of mounting cylinders being connected via a drive ring, and the drive ring being rotatably connected to the outer sides of the two sets of mounting cylinders, the inner side of the drive ring being connected to an arc-shaped positioning block rotatably arranged inside the mounting cylinder via a connecting block, and an arc-shaped grinding plate matching it being fixedly installed on the inner side of the arc-shaped positioning block, a first driven wheel being fixedly arranged on the outer side of the drive ring, and the first driven wheel being connected to a first driving wheel via a first transmission belt, the first driving wheel being mounted on the outer side of a rotating rod, and the rotating rod being rotatably connected to the inside of a support box, a second driving wheel being fixedly installed on the outer side of the rotating rod, and the second driving wheel being connected to the support box via a connecting rod. The second transmission belt is connected to the second driven wheel, which is fixedly installed on the outside of the first grinding ring. The first grinding ring is rotatably connected to one side of the fixed plate. A first pipe limiting mechanism is fixedly installed on one side of the fixed plate, and the first pipe limiting mechanism is located inside the first grinding ring. Two sets of mounting plates are slidably arranged inside the support box, and a first rotating rod is rotatably arranged on the inside of the mounting plate. A first gear is installed on the outside of the first rotating rod, and a second gear that cooperates with the first gear is arranged on the outside of the rotating rod. A third driving wheel is installed on the outside of the first rotating rod, and the third driving wheel is connected to the third driven wheel through the third transmission belt. The third driven wheel is fixedly installed on the outside of the second grinding ring, and the second grinding ring is rotatably connected to one side of the moving plate. The moving plate and the mounting plate are connected through a moving rack and pinion mechanism.

[0007] Preferably, the top of the support box is connected to the bottom of the operating table, and the support box and the operating table are provided with through grooves for use with the first transmission belt and the second transmission belt.

[0008] The above technical solution facilitates the transmission operation of the first and second transmission belts.

[0009] Preferably, one end of the rotating rod is connected to a high-efficiency drive mechanism provided on the outside of the support box.

[0010] The above technical solution facilitates the rotation of the rotating rod.

[0011] Preferably, the high-efficiency drive mechanism includes a first drive motor, and the first drive motor can drive a third gear arranged inside the protective box to rotate via a drive rod. The third gear meshes with a fourth gear, and the fourth gear is installed on the outside of the transmission rod. A fifth gear is arranged on the outside of the transmission rod, and the fifth gear meshes with a sixth gear. The sixth gear is installed on the outside of the rotating rod. The diameter of the third gear is larger than that of the fourth gear, and the diameter of the fifth gear is larger than that of the sixth gear.

[0012] The above technical solution facilitates the rotation of the rotating rod.

[0013] Preferably, the first pipe limiting mechanism includes a positioning cylinder, one end of which is connected to a fixed plate. A second drive motor is installed inside the positioning cylinder, and the second drive motor can drive a first helical gear to rotate. The first helical gear meshes with second helical gears arranged on both sides, and the second helical gears can drive a lead screw mechanism to rotate. The lead screw mechanism is connected to a moving cylinder, and one end of the moving cylinder extends through to the outside of the positioning cylinder and is connected to the limiting plate.

[0014] The above technical solution facilitates the positioning of the titanium alloy tube.

[0015] Preferably, the support box and the operating table are provided with a movable through groove for use with the third transmission belt.

[0016] The above technical solution facilitates the movement of the third transmission belt.

[0017] Preferably, a second pipe limiting mechanism is fixedly installed on one side of the movable plate, and the second pipe limiting mechanism has the same structure as the first pipe limiting mechanism.

[0018] The above technical solution facilitates the positioning of the titanium alloy tube.

[0019] Preferably, the movable rack plate mechanism includes two sets of rack plates, and the two sets of rack plates are respectively connected to the movable plate and the mounting plate. The two sets of rack plates mesh with the seventh gear, and the seventh gear is installed on the outside of the rotating vertical rod.

[0020] The above technical solution facilitates the movement of the driving plate and the mounting plate.

[0021] Preferably, one end of the rotating vertical rod is connected to the third drive motor.

[0022] The above technical solution facilitates the movement of the rotating vertical rod.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the easily controllable titanium alloy tube grinding device:

[0024] (1) To solve the problem that existing titanium alloy pipe grinding equipment cannot simultaneously grind the inner wall and end face of the pipe, this device is designed by setting two sets of mounting cylinders above the operating table. The mounting cylinders are connected to the top of the operating table via connecting rods. The outer sides of the two sets of mounting cylinders are connected by a drive ring, and the drive ring is rotatably connected to the outer sides of the two sets of mounting cylinders. The inner side of the drive ring is connected to an arc-shaped positioning block rotatably set inside the mounting cylinder via a connecting block. An arc-shaped grinding plate matching the arc-shaped positioning block is fixedly installed inside the arc-shaped positioning block. A first driven wheel is fixedly set on the outer side of the drive ring, and the first driven wheel is connected to a first driving wheel via a first transmission belt. The first driving wheel is installed on the outer side of the rotating rod, and the rotating rod is rotatably connected to the inside of the support box. A second driving wheel is fixedly installed on the outer side of the rotating rod, and the second driving wheel is connected to a second driven wheel via a second transmission belt. The second driven wheel is fixedly installed on the outer side of the first grinding ring, and the first grinding ring is rotatably connected to one side of the fixed plate. A first pipe limiting mechanism is fixedly installed on one side of the fixed plate, and the first driving wheel is fixedly installed on the outer side of the first grinding ring. A pipe limiting mechanism is located inside the first grinding ring. Two sets of mounting plates are slidably arranged inside the support box, and a first rotating rod is rotatably arranged inside the mounting plate. A first gear is installed on the outside of the first rotating rod, and a second gear that works with the first gear is installed on the outside of the rotating rod. A third driving wheel is installed on the outside of the first rotating rod, and the third driving wheel is connected to the third driven wheel through a third transmission belt. The third driven wheel is fixedly installed on the outside of the second grinding ring, and the second grinding ring is rotatably connected to one side of the moving plate. The moving plate and the mounting plate are connected through a moving rack and pinion plate mechanism. During grinding, the two ends of the titanium alloy tube are limited by the first pipe limiting mechanism and the second pipe limiting mechanism. After the limiting is completed, the high-efficiency drive mechanism is activated to drive the rotating rod to rotate. Under the action of the rotating rod, the arc-shaped grinding plate rotates and moves around the inside of the mounting cylinder, thereby grinding the outer wall of the titanium alloy tube. At the same time, under the action of the rotating rod, the first grinding ring and the second grinding ring rotate, thereby grinding the two ends of the titanium alloy tube. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0026] Figure 2 This is a schematic diagram showing the positional relationship between the mounting cylinder and the arc-shaped positioning block of the present invention;

[0027] Figure 3 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;

[0028] Figure 4 For the present invention Figure 1 Enlarged structural diagram at point B;

[0029] Figure 5 For the present invention Figure 1 Enlarged structural diagram at point C;

[0030] Figure 6 This is a schematic diagram of the first pipeline limiting mechanism of the present invention;

[0031] Figure 7 For the present invention Figure 1 Enlarged structural diagram at point D;

[0032] Figure 8 This is a schematic diagram of the high-efficiency drive mechanism of the present invention.

[0033] In the diagram: 1. Operating table; 2. Mounting cylinder; 201. Connecting rod; 3. Drive ring; 301. Connecting block; 302. Arc-shaped positioning block; 303. Arc-shaped grinding plate; 4. First driven wheel; 401. First transmission belt; 402. First driving wheel; 5. Rotating rod; 501. Support box; 502. Second driving wheel; 503. Second transmission belt; 504. Second driven wheel; 505. First grinding ring; 506. Fixing plate; 6. First pipe limiting mechanism; 601. Positioning cylinder; 602. Second drive motor; 603. First helical gear; 604. Second helical gear; 605. Screw mechanism; 606. Moving cylinder; 607. Limiting mechanism. 7. Mounting plate; 701. First rotating rod; 702. First gear; 703. Second gear; 704. Third driving wheel; 705. Third transmission belt; 706. Third driven wheel; 8. Second grinding ring; 801. Moving plate; 9. Moving rack plate mechanism; 901. Rack plate; 902. Seventh gear; 903. Rotating vertical rod; 904. Third drive motor; 10. High-efficiency drive mechanism; 1001. First drive motor; 1002. Protective box; 1003. Third gear; 1004. Fourth gear; 1005. Transmission rod; 1006. Fifth gear; 1007. Sixth gear; 11. Second pipe limiting mechanism. Detailed Implementation

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Please see Figure 1-8 The present invention provides a technical solution: a titanium alloy tube grinding device that is easy to control, wherein two sets of mounting cylinders 2 are provided above the operating table 1, and the mounting cylinders 2 are connected to the top of the operating table 1 through connecting rods 201.

[0036] Specifically, the outer sides of the two sets of mounting cylinders 2 are connected by a drive ring 3, and the drive ring 3 is rotatably connected to the outer sides of the two sets of mounting cylinders 2. The inner side of the drive ring 3 is connected to the arc-shaped positioning block 302 rotatably disposed inside the mounting cylinder 2 through a connecting block 301, and a matching arc-shaped grinding plate 303 is fixedly installed on the inner side of the arc-shaped positioning block 302. A first driven wheel 4 is fixedly disposed on the outer side of the drive ring 3, and the first driven wheel 4 is connected to the first driving wheel 402 through a first transmission belt 401. The first driving wheel 402 is mounted on the rotating... The rotating rod 5 is rotatably connected to the support box 501 on the outside of the rotating rod 5. A second driving wheel 502 is fixedly installed on the outside of the rotating rod 5. The second driving wheel 502 is connected to the second driven wheel 504 through the second transmission belt 503. The second driven wheel 504 is fixedly installed on the outside of the first grinding ring 505. The first grinding ring 505 is rotatably connected to one side of the fixed plate 506. A first pipe limiting mechanism 6 is fixedly installed on one side of the fixed plate 506. The first pipe limiting mechanism 6 is located inside the first grinding ring 505.

[0037] To further explain, the top of the support box 501 is connected to the bottom of the operating table 1, and the support box 501 and the operating table 1 are provided with through grooves for use with the first transmission belt 401 and the second transmission belt 503.

[0038] Specifically, one end of the rotating rod 5 is connected to the high-efficiency drive mechanism 10 provided on the outside of the support box 501.

[0039] In a further embodiment, the high-efficiency drive mechanism 10 includes a first drive motor 1001, which drives a third gear 1003 disposed inside the protective housing 1002 to rotate via a drive rod. The third gear 1003 meshes with a fourth gear 1004, which is mounted on the outside of a transmission rod 1005. A fifth gear 1006 is disposed on the outside of the transmission rod 1005, and it meshes with a sixth gear 1007, which is mounted on the outside of a rotating rod 5. The diameter of the third gear 1003 is larger than that of the fourth gear 1004, therefore, when the third gear 1003 rotates... When rotating, it can drive the fourth gear 1004 to rotate faster. The diameter of the fifth gear 1006 is larger than that of the sixth gear 1007. Therefore, when the fifth gear 1006 rotates, it can drive the sixth gear 1007 to rotate faster. When it is necessary to drive the rotating rod 5 to rotate, the first drive motor 1001 is turned on. Under the action of the first drive motor 1001, the third gear 1003 drives the fourth gear 1004 and the transmission rod 1005 to rotate. The transmission rod 1005 drives the fifth gear 1006 to rotate synchronously, thereby driving the sixth gear 1007 and the rotating rod 5 to rotate through the fifth gear 1006.

[0040] Specifically, the first pipe limiting mechanism 6 includes a positioning cylinder 601, one end of which is connected to a fixed plate 506. A second drive motor 602 is installed inside the positioning cylinder 601, and the second drive motor 602 can drive a first helical gear 603 to rotate. The first helical gear 603 meshes with second helical gears 604 arranged on both sides, and the second helical gears 604 can drive a lead screw mechanism 605 to rotate. The lead screw mechanism 605 is connected to a moving cylinder 606, and the moving cylinder 606 is slidably connected to the positioning cylinder 601. One end of the moving cylinder 606 extends through to the outside of the positioning cylinder 601 and is connected to a limiting plate 607. When it is necessary to drive the two sets of limiting plates 607 to move outward, the second drive motor 602 is turned on. Under the action of the second drive motor 602, the first helical gear 603 drives the second helical gears 604 arranged on both sides and the lead screw mechanism 605 to rotate. The rotation of the lead screw mechanism 605 drives the two sets of moving cylinders 606 and the limiting plates 607 to move outward.

[0041] Specifically, two sets of mounting plates 7 are slidably arranged inside the support box 501, and a first rotating rod 701 is rotatably arranged inside the mounting plate 7. A first gear 702 is installed on the outside of the first rotating rod 701, and a second gear 703 that works with the first gear 702 is arranged on the outside of the rotating rod 5. A third driving wheel 704 is installed on the outside of the first rotating rod 701, and the third driving wheel 704 is connected to a third driven wheel 706 through a third transmission belt 705. The third driven wheel 706 is fixedly installed on the outside of the second grinding ring 8, and the second grinding ring 8 is rotatably connected to one side of the moving plate 801. The moving plate 801 and the mounting plate 7 are connected through a moving rack and pinion mechanism 9.

[0042] In a further embodiment, the support box 501 and the operating table 1 are provided with movable through slots that cooperate with the third transmission belt 705.

[0043] In a further embodiment, a second pipe limiting mechanism 11 is fixedly installed on one side of the movable plate 801, and the second pipe limiting mechanism 11 has the same structure as the first pipe limiting mechanism 6.

[0044] Specifically, the movable rack mechanism 9 includes two sets of rack plates 901, which are connected to the movable plate 801 and the mounting plate 7 respectively. The two sets of rack plates 901 mesh with the seventh gear 902, which is mounted on the outside of the rotating vertical rod 903. One end of the rotating vertical rod 903 is connected to the third drive motor 904.

[0045] To further explain, a controller is installed on the outside of the support box 501. The controller is connected to each device for easy control later.

[0046] In use, the titanium alloy tube to be polished is placed on top of the matching arc-shaped polishing plate 303. After placement, the third drive motor 904 is turned on, driving the seventh gear 902 to rotate, thereby moving the two sets of rack plates 901. The rack plates 901 drive the moving plate 801 and the first rotating rod 701 set inside the mounting plate 7 to move. When the first rotating rod 701 moves to the designated position, the first gear 702 meshes with the second gear 703. At the same time, the first pipe limiting mechanism 6 and the second pipe limiting mechanism 11 are both located inside the titanium alloy tube. At this time, the third drive motor 904 is turned off. After the above operation is completed, the second drive motor 602 is turned on, driving the limiting plate 607 in the first pipe limiting mechanism 6 and the second pipe limiting mechanism 11 to move outward, thereby pressing and limiting the inside of the titanium alloy tube. After the limiting is completed, the high-efficiency drive mechanism 10 is turned on. The rotating rod 5 drives the first drive wheel 402 to rotate, which in turn drives the first driven wheel 4 and the drive ring 3 to rotate via the first transmission belt 401. The drive ring 3 drives the arc-shaped positioning block 302 and the arc-shaped grinding plate 303 to rotate and move via the connecting block 301, thereby grinding the outer wall of the titanium alloy tube on its inner side. At the same time, the rotating rod 5 drives the second driven wheel 504 and the first grinding ring 505 to rotate via the second drive wheel 502, thereby grinding one end face of the titanium alloy tube. Under the action of the rotating rod 5, the second gear 703 is driven to rotate, which in turn drives the first gear 702 and the first rotating rod 701 to rotate. The first rotating rod 701 drives the third driven wheel 706 and the second grinding ring 8 to rotate via the third drive wheel 704, thereby grinding the other end face of the titanium alloy tube.

[0047] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of the present invention.

[0048] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A titanium alloy tube grinding device that is easy to control, comprising an operating table (1), characterized in that: Two sets of mounting cylinders (2) are provided above the operating table (1), and the mounting cylinders (2) are connected to the top of the operating table (1) through connecting rods (201). The outer sides of the two sets of mounting cylinders (2) are connected through driving rings (3), and the driving rings (3) are rotatably connected to the outer sides of the two sets of mounting cylinders (2). The inner side of the driving rings (3) is connected to the arc-shaped positioning block (302) rotatably set inside the mounting cylinder (2) through connecting block (301), and an arc-shaped grinding plate (303) that matches it is fixedly installed on the inner side of the arc-shaped positioning block (302). A first driven wheel (4) is fixedly installed on the outer side of the drive ring (3), and the first driven wheel (4) is connected to the first driving wheel (402) through the first transmission belt (401). The first driving wheel (402) is installed on the outer side of the rotating rod (5), and the rotating rod (5) is rotatably connected to the inside of the support box (501). A second driving wheel (502) is fixedly installed on the outer side of the rotating rod (5), and the second driving wheel (502) is connected to the second driven wheel (504) through the second transmission belt (503). The second driven wheel (504) is fixedly installed on the outer side of the rotating rod (5). The first grinding ring (505) is fixedly installed on the outside of the first grinding ring (505), and the first grinding ring (505) is rotatably connected to one side of the fixed plate (506). The first pipe limiting mechanism (6) is fixedly installed on one side of the fixed plate (506), and the first pipe limiting mechanism (6) is located inside the first grinding ring (505). Two sets of mounting plates (7) are slidably arranged inside the support box (501), and a first rotating rod (701) is rotatably arranged inside the mounting plate (7). A first gear (702) is installed on the outside of the first rotating rod (701), and the rotating rod (5) is... A second gear (703) is provided on the outside to cooperate with the first gear (702). A third driving wheel (704) is installed on the outside of the first rotating rod (701). The third driving wheel (704) is connected to the third driven wheel (706) through the third transmission belt (705). The third driven wheel (706) is fixedly installed on the outside of the second grinding ring (8). The second grinding ring (8) is rotatably connected to one side of the moving plate (801). The moving plate (801) is connected to the mounting plate (7) through the moving rack plate mechanism (9).

2. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: The top of the support box (501) is connected to the bottom of the operating table (1), and the support box (501) and the operating table (1) are provided with through grooves for use with the first transmission belt (401) and the second transmission belt (503).

3. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: One end of the rotating rod (5) is connected to the high-efficiency drive mechanism (10) provided on the outside of the support box (501).

4. The easily controllable titanium alloy tube grinding device according to claim 3, characterized in that: The high-efficiency drive mechanism (10) includes a first drive motor (1001), and the first drive motor (1001) can drive the third gear (1003) set inside the protective box (1002) to rotate through the drive rod. The third gear (1003) meshes with the fourth gear (1004), and the fourth gear (1004) is installed on the outside of the transmission rod (1005). A fifth gear (1006) is set on the outside of the transmission rod (1005), and the fifth gear (1006) meshes with the sixth gear (1007). The sixth gear (1007) is installed on the outside of the rotating rod (5). The diameter of the third gear (1003) is larger than that of the fourth gear (1004), and the diameter of the fifth gear (1006) is larger than that of the sixth gear (1007).

5. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: The first pipe limiting mechanism (6) includes a positioning cylinder (601), one end of which is connected to a fixed plate (506). A second drive motor (602) is installed inside the positioning cylinder (601), and the second drive motor (602) can drive a first helical gear (603) to rotate. The first helical gear (603) meshes with second helical gears (604) arranged on both sides, and the second helical gears (604) can drive a lead screw mechanism (605) to rotate. The lead screw mechanism (605) is connected to a moving cylinder (606), and one end of the moving cylinder (606) extends through to the outside of the positioning cylinder (601) and is connected to the limiting plate (607).

6. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: The support box (501) and the operating table (1) are provided with movable channels for use with the third transmission belt (705).

7. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: A second pipe limiting mechanism (11) is fixedly installed on one side of the movable plate (801), and the second pipe limiting mechanism (11) has the same structure as the first pipe limiting mechanism (6).

8. The easily controllable titanium alloy tube grinding device according to claim 1, characterized in that: The movable rack mechanism (9) includes two sets of rack plates (901), and the two sets of rack plates (901) are respectively connected to the movable plate (801) and the mounting plate (7). The two sets of rack plates (901) mesh with the seventh gear (902), and the seventh gear (902) is installed on the outside of the rotating vertical rod (903).

9. The easily controllable titanium alloy tube grinding device according to claim 8, characterized in that: One end of the rotating vertical rod (903) is connected to the third drive motor (904).

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