Titanium alloy pipe grinding device convenient to control

Abstract

The invention discloses a titanium alloy pipe polishing device convenient to control, two groups of mounting cylinders are arranged above an operation table, the mounting cylinders are connected with the top of the operation table through connecting rods, the outer sides of the two groups of mounting cylinders are connected through a driving ring, and the driving ring is rotationally connected with the outer sides of the two groups of mounting cylinders; the inner side of the driving ring is connected with an arc-shaped positioning block rotationally arranged in the mounting cylinder through a connecting block, an arc-shaped grinding plate matched with the arc-shaped positioning block is fixedly mounted on the inner side of the arc-shaped positioning block, a first driven wheel is fixedly arranged on the outer side of the driving ring, and the first driven wheel is connected with a first driving wheel through a first transmission belt. The first driving wheel is installed on the outer side of the rotating rod, and the rotating rod is rotationally connected with the interior of the supporting box. According to the titanium alloy pipe grinding device convenient to control, in order to solve the problem that existing titanium alloy pipe grinding equipment cannot grind the inner wall and the end face of a pipe at the same time, two sets of mounting cylinders are arranged above the operation table.

Description

Technical Field

[0001] The invention relates to the technical field of titanium alloy tubes, in particular to a titanium alloy tube grinding device which is easy to control. Background Art

[0002] Titanium alloy tube is a tube 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, and it has good cutting performance. The outer wall of the titanium alloy tube needs to be polished during the production process.

[0003] After searching, it was found that in the prior art, such as announcement number CN220445946U, a titanium alloy pipe grinding device is provided, which includes a lowering column, a fixed end of a telescopic rod is fixedly arranged on the upper part of the movable end of the lifting column, a centering mechanism is fixedly arranged on the movable end of the telescopic rod, and a rotating ring is rotatably arranged on the movable end of the telescopic rod near the centering mechanism, and a driving mechanism for driving the rotating ring to rotate is arranged on the movable end of the telescopic rod, and the screw rod can be driven up and down by rotating the adjusting nut, thereby driving the grinding block to be raised and lowered to adjust its height, which is suitable for grinding titanium alloy inner pipes with different inner diameters and improves the universality of the grinding equipment; the centering mechanism arranged at the end of the telescopic rod can automatically center before grinding, so that the grinding equipment and the pipe are coaxial, which is simple to operate, easy to use, and improves work efficiency; at the same time, the centering mechanism can also support the telescopic rod during the grinding process, which is more stable during grinding.

[0004] In summary, the existing titanium alloy pipe grinding equipment is simple to operate, easy to use, and improves work efficiency. However, the 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 object of the present invention is to provide a titanium alloy tube grinding device that is easy to control, so as to solve the problem that the existing titanium alloy tube grinding equipment mentioned in the above background technology cannot grind the outer wall and the end face of the tube at the same time.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a titanium alloy tube grinding device that is easy to control, comprising an operating table, two groups of mounting cylinders are arranged above the operating table, and the mounting cylinders are connected to the top of the operating table through connecting rods, the outer sides of the two groups of mounting cylinders are connected through driving rings, and the driving rings are rotatably connected to the outer sides of the two groups of mounting cylinders, the inner sides of the driving rings are connected to arc-shaped positioning blocks rotatably arranged inside the mounting cylinders through connecting blocks, and an arc-shaped grinding plate matching the arc-shaped positioning blocks is fixedly installed on the inner sides of the arc-shaped positioning blocks, a first driven wheel is fixedly arranged on the outer sides of the driving rings, and the first driven wheel is connected to the first driving wheel through a first transmission belt, the first driving wheel is installed on the outer sides of the rotating rod, and the rotating rod is rotatably connected to the inside of the supporting box, a second driving wheel is fixedly arranged on the outer sides of the rotating rod, and the second driving wheel is connected through The second transmission belt is connected to the second driven wheel, the second driven wheel is fixedly mounted on the outside of the first grinding ring, and the first grinding ring is rotatably connected to one side of the fixed plate, a first pipeline limiting mechanism is fixedly mounted on one side of the fixed plate, and the first pipeline limiting mechanism is located on the inner side of the first grinding ring, two groups of mounting plates are slidably arranged inside the support box, and a first rotating rod is rotatably arranged on the inner side of the mounting plate, a first gear is mounted on the outside of the first rotating rod, and a second gear used in conjunction with the first gear is mounted on the outside of the rotating rod, a third driving wheel is mounted 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 mounted on the outside of the second grinding ring, and the second grinding ring is rotatably connected to one side of the movable plate, and the movable plate and the mounting plate are connected by a movable rack plate mechanism.

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

[0008] Through the above technical solution: it is convenient for the first transmission belt and the second transmission belt to perform transmission operation.

[0009] Preferably, one end of the rotating rod is connected to a high-efficiency driving mechanism arranged outside the supporting box.

[0010] Through the above technical solution, it is easy to drive the rotating rod to rotate.

[0011] Preferably, the high-efficiency driving mechanism includes a first driving motor, and the first driving motor can drive the third gear arranged inside the protective box to rotate through the driving rod, the third gear is meshed with the 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 is meshed with the sixth gear, and the sixth gear is installed on the outside of the rotating rod, the third gear is larger than the fourth gear, and the fifth gear is larger than the sixth gear.

[0012] Through the above technical solution, it is easy to drive the rotating rod to rotate.

[0013] Preferably, the first pipeline limiting mechanism includes a positioning cylinder, and one end of the positioning cylinder is connected to the fixed plate, a second drive motor is installed inside the positioning cylinder, and the second drive motor can drive the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gears arranged on both sides, and the second bevel gear can drive the screw mechanism to rotate, the screw mechanism is connected to the moving cylinder, and one end of the moving cylinder passes through the outside of the positioning cylinder and is connected to the limiting plate.

[0014] Through the above technical solution, it is convenient to limit the position of the titanium alloy tube.

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

[0016] Through the above technical solution: it is convenient for the third transmission belt to move.

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

[0018] Through the above technical solution, it is convenient to limit the position of the titanium alloy tube.

[0019] Preferably, the movable rack plate mechanism comprises 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 are meshed with the seventh gear, and the seventh gear is installed on the outside of the rotating vertical rod.

[0020] Through the above technical solution: it is easy to drive the moving plate and the mounting plate to move.

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

[0022] Through the above technical solution, it is easy to drive the rotating vertical rod to move.

[0023] Compared with the prior art, the invention has the following beneficial effects: the titanium alloy tube grinding device which is easy to control,

[0024] (1) The present invention aims to solve the problem that the existing titanium alloy pipe grinding equipment cannot grind the inner wall and the end face of the pipe at the same time. Two groups of mounting cylinders are arranged above the operating table, and the mounting cylinders are connected to the top of the operating table through connecting rods. The outer sides of the two groups of mounting cylinders are connected through driving rings, and the driving rings are rotatably connected to the outer sides of the two groups of mounting cylinders. The inner sides of the driving rings are connected to the arc-shaped positioning blocks rotatably arranged inside the mounting cylinders through connecting blocks, and the inner sides of the arc-shaped positioning blocks are fixedly installed with an arc-shaped grinding plate matching therewith. A first driven wheel is fixedly arranged on the outer side of the driving ring, and the first driven wheel is connected to the first driving wheel through 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 supporting box. A second driving wheel is fixedly arranged on the outer side of the rotating rod, and the second driving wheel is connected to the second driven wheel through a second transmission belt. The second driven wheel is fixedly arranged on the outer side of the first grinding ring, and the first grinding ring is rotatably connected to one side of a fixed plate. A first pipeline limiting mechanism is fixedly installed on one side of the fixed plate, and the first driving wheel is connected to the second driving wheel through a second transmission belt. The cam is provided with a first gear which is adapted to move the first gear and the second gear to move the first gear together with the first gear. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

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

[0028] Figure 4 For the present invention Figure 1 The enlarged structural diagram at B in the middle;

[0029] Figure 5 For the present invention Figure 1 The enlarged structural diagram at C in the middle;

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

[0031] Figure 7 For the present invention Figure 1 The enlarged structural diagram at D in the middle;

[0032] Figure 8 It is a schematic diagram of the structure of the efficient driving mechanism of the present invention.

[0033] In the figure: 1, operating table; 2, mounting cylinder; 201, connecting rod; 3, driving ring; 301, connecting block; 302, arc positioning block; 303, arc grinding plate; 4, first driven wheel; 401, first transmission belt; 402, first driving wheel; 5, rotating rod; 501, supporting box; 502, second driving wheel; 503, second transmission belt; 504, second driven wheel; 505, first grinding ring; 506, fixing plate; 6, first pipeline limiting mechanism; 601, positioning cylinder; 602, second driving motor; 603, first bevel gear; 604, second bevel gear; 605, screw mechanism; 606, moving cylinder; 607, limiting Plate; 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 driving motor; 10, high-efficiency driving mechanism; 1001, first driving motor; 1002, protective box; 1003, third gear; 1004, fourth gear; 1005, transmission rod; 1006, fifth gear; 1007, sixth gear; 11, second pipeline limiting mechanism. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-8 The present invention provides a technical solution: a titanium alloy tube grinding device that is easy to control, two groups of mounting tubes 2 are arranged above the operating table 1, and the mounting tubes 2 are connected to the top of the operating table 1 through a connecting rod 201.

[0036] Specifically, the outer sides of the two groups of mounting cylinders 2 are connected by a driving ring 3, and the driving ring 3 is rotatably connected to the outer sides of the two groups of mounting cylinders 2. The inner side of the driving ring 3 is connected to the arc-shaped positioning block 302 rotatably arranged inside the mounting cylinder 2 through a connecting block 301, and an arc-shaped grinding plate 303 matching with it is fixedly installed inside the arc-shaped positioning block 302. A first driven wheel 4 is fixedly arranged on the outer side of the driving 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 installed on the rotating The rotating rod 5 is on the outside, and the rotating rod 5 is rotatably connected to the inside of the supporting box 501. A second driving wheel 502 is fixedly installed on the outside of the rotating rod 5, and the second driving wheel 502 is connected to the second driven wheel 504 through a second transmission belt 503. The second driven wheel 504 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. A first pipeline limiting mechanism 6 is fixedly installed on one side of the fixed plate 506, and the first pipeline limiting mechanism 6 is located on the inner side of 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 through grooves for use with the first transmission belt 401 and the second transmission belt 503 are provided on the support box 501 and the operating table 1 .

[0038] Specifically, one end of the rotating rod 5 is connected to the high-efficiency driving mechanism 10 disposed outside the supporting box 501 .

[0039] In a further embodiment, 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 is meshed with the fourth gear 1004, and the fourth gear 1004 is installed on the outside of the transmission rod 1005, and the fifth gear 1006 is arranged on the outside of the transmission rod 1005, and the fifth gear 1006 is meshed with the sixth gear 1007, and the sixth gear 1007 is installed on the outside of the rotating rod 5, and the size of the third gear 1003 is larger than the fourth gear 1004, so when the third gear 1003 rotates When the fifth gear 1006 rotates, the fourth gear 1004 can be driven to accelerate the rotation. The size of the fifth gear 1006 is larger than the sixth gear 1007. Therefore, when the fifth gear 1006 rotates, the sixth gear 1007 can be driven to accelerate the rotation. 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, and 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 pipeline limiting mechanism 6 includes a positioning cylinder 601, and one end of the positioning cylinder 601 is connected to the fixed plate 506. A second driving motor 602 is installed inside the positioning cylinder 601, and the second driving motor 602 can drive the first bevel gear 603 to rotate. The first bevel gear 603 is meshed with the second bevel gears 604 arranged on both sides, and the second bevel gear 604 can drive the screw mechanism 605 to rotate. The screw mechanism 605 is connected to the moving cylinder 606. The moving cylinder 606 is slidably connected to the positioning cylinder 601, and one end of the moving cylinder 606 passes through the outside of the positioning cylinder 601 and is connected to the limiting plate 607. When it is necessary to drive the two groups of limiting plates 607 to move outward, the second driving motor 602 is turned on. Under the action of the second driving motor 602, the first bevel gear 603 drives the second bevel gears 604 and the screw mechanism 605 arranged on both sides to rotate. The screw mechanism 605 rotates to drive the two groups of moving cylinders 606 and the limiting plate 607 to move outward.

[0041] Specifically, two groups of mounting plates 7 are slidingly arranged inside the support box 501, and a first rotating rod 701 is rotatably arranged on the inner side of the mounting plate 7, a first gear 702 is installed on the outer side of the first rotating rod 701, and a second gear 703 used in conjunction with the first gear 702 is arranged on the outer side of the rotating rod 5, a third driving wheel 704 is installed on the outer side of the first rotating rod 701, and the third driving wheel 704 is connected to the third driven wheel 706 through a third transmission belt 705, the third driven wheel 706 is fixedly installed on the outer side of the second grinding ring 8, and the second grinding ring 8 is rotatably connected to one side of the movable plate 801, and the movable plate 801 is connected to the mounting plate 7 through a movable rack plate mechanism 9.

[0042] In a further embodiment, a movable through groove for use with the third transmission belt 705 is provided on the support box 501 and the operating table 1 .

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

[0044] Specifically, the movable rack plate 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 are meshed with the seventh gear 902, and the seventh gear 902 is installed on the outside of the rotating vertical rod 903, and one end of the rotating vertical rod 903 is connected to the third drive motor 904.

[0045] To further explain, a controller is disposed outside the support box 501, and the controller is connected to each device to facilitate subsequent control.

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

[0047] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships 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 devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0048] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 titanium alloy tube grinding device that is easy to control, comprising an operating table (1), characterized in that: Two groups of mounting tubes (2) are arranged above the operating table (1), and the mounting tubes (2) are connected to the top of the operating table (1) via a connecting rod (201), the outer sides of the two groups of mounting tubes (2) are connected via a driving ring (3), and the driving ring (3) is rotatably connected to the outer sides of the two groups of mounting tubes (2), the inner sides of the driving rings (3) are connected to an arc-shaped positioning block (302) rotatably arranged inside the mounting tube (2) via a connecting block (301), and an arc-shaped grinding plate (303) matching the arc-shaped positioning block (302) is fixedly installed inside the arc-shaped positioning block (302), and the outer sides of the two groups of mounting tubes (2) are connected to the outer sides of the two groups of mounting tubes (2) via a connecting block (301). A first driven wheel (4) is fixedly arranged on the outside of the driving 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 installed on the outside of the rotating rod (5), and the rotating rod (5) is rotatably connected to the inside of the supporting box (501), a second driving wheel (502) is fixedly arranged on the outside of the rotating rod (5), and the second driving wheel (502) is connected to the second driven wheel (504) through a second transmission belt (503), and the second driven wheel (504) is fixedly arranged on the outside of the rotating rod (5). The first grinding ring (505) is fixedly mounted 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), a first pipeline limiting mechanism (6) is fixedly mounted on one side of the fixed plate (506), and the first pipeline limiting mechanism (6) is located on the inside of the first grinding ring (505), two groups 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 mounted on the outside of the first rotating rod (701), and the rotating rod (5) A second gear (703) for use with the first gear (702) is arranged on the outside, 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 movable plate (801), and the movable plate (801) is connected to the mounting plate (7) through a movable rack plate mechanism (9).

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

3. The easy-to-control titanium alloy tube grinding device according to claim 1 is characterized in that: One end of the rotating rod (5) is connected to a high-efficiency driving mechanism (10) arranged outside the supporting box (501).

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

5. The easy-to-control titanium alloy tube grinding device according to claim 1 is characterized in that: The first pipeline limiting mechanism (6) comprises a positioning cylinder (601), and one end of the positioning cylinder (601) is connected to the fixed plate (506); a second drive motor (602) is installed inside the positioning cylinder (601), and the second drive motor (602) can drive the first bevel gear (603) to rotate; the first bevel gear (603) is meshed with the second bevel gears (604) arranged on both sides, and the second bevel gear (604) can drive the screw mechanism (605) to rotate; the screw mechanism (605) is connected to the moving cylinder (606), and one end of the moving cylinder (606) passes through the outside of the positioning cylinder (601) and is connected to the limiting plate (607).

6. The easy-to-control titanium alloy tube grinding device according to claim 1 is characterized in that: The support box (501) and the operating table (1) are provided with movable through grooves for use in conjunction with the third transmission belt (705).

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

8. The easy-to-control titanium alloy tube grinding device according to claim 1 is characterized in that: The movable rack plate mechanism (9) comprises 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) are meshed with the seventh gear (902), and the seventh gear (902) is installed on the outside of the rotating vertical rod (903).

9. The easy-to-control 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 driving motor (904).

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