Diamond roller mounting inner hole high-precision grinding equipment

Abstract

The invention relates to the technical field of diamond roller machining, in particular to diamond roller mounting inner hole high-precision grinding equipment which comprises a base, a linkage column fixedly connected to the top of the base and a rotary clamping assembly arranged on the base and used for centering and clamping a diamond roller. The lifting plate is provided with an air cooling type grinding assembly which conducts efficient cooling type grinding and assists in inner hole chipping cleaning. According to the diamond roller grinding device, centering clamping treatment is conducted on diamond rollers of different sizes through the rotary clamping assembly, comprehensive efficient grinding treatment of different inner holes is achieved in combination with the air-cooled grinding assembly, the grinding requirements of the diamond rollers of different sizes can be automatically met without additional replacement operation, and through cooperation of the rotary clamping assembly and the air-cooled grinding assembly, the grinding efficiency is greatly improved. And the multi-direction grinding effect can be further achieved, and chippings can be discharged in an auxiliary mode for convenient collection.

Description

Technical Field

[0001] The present invention relates to the technical field of diamond roller processing, and particularly relates to a high-precision grinding equipment for the inner hole of a diamond roller installation. Background Art

[0002] A diamond roller, also known as a diamond dressing roller or a diamond roller dresser, is a key grinding wheel dressing tool in mass production forming grinding and gear grinding machine processing. Its importance is self-evident. These rollers are widely used in multiple industries such as bearings, automotive parts, and textile machinery. The grinding quality of the inner surface of the mounting hole directly affects the accuracy and performance of the final product.

[0003] However, in the prior art, the grinding process of the inner surface of the diamond roller mounting hole faces many challenges. Grinding the inner hole of a diamond roller involves inserting a grinding rod into the rotating mounting hole of the diamond roller and using the relative movement between the grinding rod and the inner hole wall to clean burrs. For diamond rollers with different inner diameters, different-sized grinding rods often need to be replaced to fit, which not only increases the operation complexity and time cost but also may lead to a decrease in grinding accuracy due to errors during the replacement process.

[0004] For example, a high-precision grinding equipment for the inner hole of a diamond roller installation with the publication number CN220007091U, although it realizes the quick replacement and fixation of the grinding rod through a locking structure, reducing the tediousness of manual replacement, essentially still cannot get rid of the limitation of adapting to the grinding of diamond rollers of different sizes by replacing the grinding rod. This way of replacing the grinding not only makes it difficult to further improve the convenience of the grinding work but also may introduce additional errors and uncertainties during the frequent replacement of the grinding rod, thereby affecting the grinding quality and efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-precision grinding equipment for the inner hole of a diamond roller installation to solve the above-mentioned technical defects.

[0006] The purpose of the present invention can be achieved through the following technical solutions: A high-precision grinding equipment for the inner hole of a diamond roller installation includes a base, a linkage column fixedly connected to the top of the base, and a rotary clamping assembly arranged on the base for centering and clamping the diamond roller.

[0007] An elevator plate is movably installed on the linkage column, and an air-cooled grinding assembly for efficient cooling and grinding and assisting in cleaning inner hole debris is arranged on the elevator plate.

[0008] The rotary clamping assembly includes a rotating ring rotatably installed on the base, and a placing plate is fixedly connected to the top of the rotating ring, and multiple groups of clamping blocks are installed on the placing plate.

[0009] The air-cooled grinding assembly includes a hollow rotating tube. Grinding rods are installed on the outer wall of the hollow rotating tube, and spiral grooves are formed on the outer walls of the grinding rods. A plurality of air outlet holes communicating with the inside of the hollow rotating tube are formed in the spiral grooves.

[0010] Preferably, a first motor is installed on the base through bolts, and a gear is fixedly installed on the output shaft of the first motor. A toothed ring meshing with the gear is fixedly connected to the rotating ring. A slider sliding on the placement plate is welded to the bottom of the clamping block.

[0011] Preferably, a screw rod threadedly connected to one of the sliders is rotatably connected to the placement plate. A guiding rod is fixedly connected to the bottom of the slider. A linkage plate sliding with a plurality of guiding rods is rotatably connected to the rotating ring.

[0012] Preferably, a collection cloth bag communicating with the rotating ring is fixedly connected to the bottom of the base, and a chip discharge cover plate is installed at the bottom opening of the collection cloth bag.

[0013] Preferably, a lifting seat slidably connected to the linkage column is slidably installed on the lifting plate. An electric push rod is fixedly installed between the lifting seat and the base. L-shaped guiding grooves are formed on the inner walls of both sides of the linkage column. A guiding pin sliding with the L-shaped guiding groove is installed on the lifting plate.

[0014] Preferably, a spline shaft slidably connected to the hollow rotating tube is rotatably installed on the lifting plate. A worm is fixedly connected to the spline shaft. A second motor for driving the spline shaft to rotate is installed on the lifting plate through bolts.

[0015] Preferably, two groups of air chamber seats are symmetrically and fixedly connected to both sides of the bottom of the lifting plate. A worm gear meshing with the worm is rotatably connected between the air chamber seats. Cam grooves are formed on both end faces of the worm gear. An I-shaped wheel for driving the hollow rotating tube to reciprocate up and down is fixedly connected to the outer wall of the hollow rotating tube.

[0016] Preferably, a push rod is slidably connected to the air chamber seat, and a block sliding with the I-shaped wheel is fixedly connected between the bottoms of the push rods. A guiding column sliding with the cam groove is fixedly connected to the push rod.

[0017] Preferably, an air ring for sealing and rotating with the hollow rotating tube is fixedly connected to the block, and an air inlet hole communicating with the air ring is formed on the hollow rotating tube. A piston block for sealing and sliding with the air chamber seat is fixedly connected to the end of the push rod. Two groups of one-way valves are installed on the air chamber seat. A trachea is fixedly connected between one group of one-way valves and the air ring.

[0018] The beneficial effects of the present invention are as follows:

[0019] (1) The present invention can realize centering and clamping processing of diamond rollers of different sizes through a placement plate and a plurality of clamping blocks, and drive them to rotate. Then, through the descending movement of the lifting seat, the lifting plate is caused to move in multiple directions, so that the rotating grinding rod is inserted into the inner hole of the diamond roller and offset to contact the inner wall, thereby realizing comprehensive grinding processing of inner holes of different sizes. There is no need for replacement operation in the prior art, which can improve the application range of the device and enhance the convenience of use;

[0020] In addition, during the rotation of the grinding rod, the spiral grooves on its surface can help push the debris down, and combined with the horizontal placement of the diamond roller and the cooperation of the rotating ring and the collection bag, the debris can be conveniently collected, and at the same time, it helps the air flow between the grinding rod and the inner hole wall, achieving the effect of grinding and cooling;

[0021] (2) The present invention also uses the rotation of the spline shaft, combined with the worm and the worm wheel, to make the push rod reciprocate. On the one hand, it synchronously drives the hollow rotating tube to reciprocate and lift, assisting the grinding rod and the spiral groove, further achieving a multi-directional grinding effect and assisting in the discharge of debris. On the other hand, it causes the piston block to reciprocate in the air chamber seat, intermittently extracting external cold air and injecting it into the hollow rotating tube, and then spraying it out from the air outlet, further cooling the grinding rod and the inner hole of the diamond roller by air, and assisting in blowing and cleaning the debris on the inner hole wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings;

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the base of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the rotary clamping assembly of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the clamping block of the present invention;

[0027] Figure 5 It is a schematic structural diagram of the air-cooled grinding assembly of the present invention;

[0028] Figure 6 It is a schematic diagram of the cooperation between the push rod and the worm gear of the present invention;

[0029] Figure 7 It is a schematic diagram of the cooperation between the push rod and the hollow rotating tube of the present invention;

[0030] Figure 8 It is a schematic structural diagram of the grinding rod of the present invention.

[0031] Legend:

[0032] 1. Base; 11. Linkage column; 12. Lifting plate; 13. Motor 1; 14. Gear; 15. Collection bag; 16. Lifting seat; 17. Electric push rod; 18. L-shaped guide groove; 19. Guide pin;

[0033] 2. Rotary clamping assembly; 21. Rotating ring; 22. Storage plate; 23. Clamping block; 24. Gear ring; 25. Sliding block; 26. Screw rod; 27. Guide rod; 28. Linkage plate;

[0034] 3. Air-cooled grinding assembly; 31. Hollow rotating tube; 32. Grinding rod; 33. Spline shaft; 34. Worm; 35. Motor 2; 36. Air chamber seat; 37. Worm gear; 38. Cam groove; 39. I-shaped wheel; 310. Push rod; 311. Block; 312. Guide column; 313. Air ring; 314. Piston block; 315. Air pipe. DETAILED DESCRIPTION

[0035] 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.

[0036] Example 1: Please refer to Figures 1 - 6 As shown, the prior art still has not gotten rid of the limitation of adapting to different sizes of diamond roller grinding by replacing the grinding rod, which makes it difficult to further improve the convenience of grinding work and affects the grinding quality and efficiency. The following solution can be used to solve the problem;

[0037] A diamond roller mounted inner hole high-precision grinding device in this embodiment comprises a base 1, a linkage column 11 fixedly connected to the top of the base 1, and a rotary clamping assembly 2 arranged on the base 1 for centering and clamping the diamond roller, a lifting plate 12 is movably installed on the linkage column 11, and an air-cooled grinding assembly 3 for efficient temperature reduction grinding and assisting in cleaning of inner hole debris is arranged on the lifting plate 12;

[0038] The rotary clamping assembly 2 includes a rotating ring 21 rotatably mounted on the base 1. A placing plate 22 is fixedly connected to the top of the rotating ring 21. Multiple clamping blocks 23 are installed on the placing plate 22. The clamping blocks 23 are of a convex stepped structure. The stepped surface is for placing the diamond roller, and the middle protrusion is for clamping. Elastic anti-slip pads are arranged on the opposite sides of the protrusions of the clamping blocks 23 to increase the clamping stability of the diamond roller. Through the placing plate 22 and the multiple clamping blocks 23, centering clamping treatment can be carried out on diamond rollers of different sizes, and it can be driven to rotate;

[0039] The air-cooled grinding assembly 3 includes a hollow rotating tube 31. Grinding rods 32 are installed on the outer wall of the hollow rotating tube 31. Helical grooves are formed on the outer walls of the grinding rods 32. During the rotation of the grinding rods 32, through the helical grooves on their surfaces, it can assist in pushing the grinding debris to move downward. Combined with the horizontal placement of the diamond roller, convenient collection of the debris can be achieved. Multiple air outlet holes communicating with the inside of the hollow rotating tube 31 are formed in the helical grooves.

[0040] A motor 13 is installed on the base 1 through bolts. A gear 14 is fixedly installed on the output shaft of the motor 13. A toothed ring 24 meshing with the gear 14 is fixedly connected to the rotating ring 21. The motor 13 drives the gear 14 to rotate. By the gear 14 meshing with the toothed ring 24, the rotating ring 21 is driven to carry the placing plate 22 to rotate, and then the clamped diamond roller is driven to rotate. A slider 25 sliding with the placing plate 22 is welded to the bottom of the clamping block 23 for adjusting the position of the clamping block 23, so as to achieve the clamping treatment of the diamond roller.

[0041] A screw rod 26 threadedly connected to one of the sliders 25 is rotatably connected to the placing plate 22. A torsion wheel is installed at the end of the screw rod 26. Rotating the torsion wheel drives the screw rod 26 to rotate. A guiding rod 27 is fixedly connected to the bottom of the slider 25. A linkage plate 28 sliding with multiple guiding rods 27 is rotatably connected to the rotating ring 21. Rotating the screw rod 26 drives the corresponding clamping block 23 to move. Through the sliding of the guiding rod 27 on the clamping block 23 and the linkage plate 28, the linkage plate 28 is deflected, and then the other clamping blocks 23 are driven to move synchronously relative to each other to complete the centering clamping treatment of the diamond roller.

[0042] A collecting cloth bag 15 communicating with the rotating ring 21 is fixedly connected to the bottom of the base 1. A chip discharge cover plate is installed at the bottom opening of the collecting cloth bag 15. The debris generated by grinding the inner hole side wall of the diamond roller falls into the collecting cloth bag 15 through the rotating ring 21 for collection treatment, and then the debris in the collecting cloth bag 15 is centrally cleaned by opening the chip discharge cover plate.

[0043] A lifting seat 16 slidably connected to the linkage column 11 is slidably installed on the lifting plate 12. An electric push rod 17 is fixedly installed between the lifting seat 16 and the base 1. L-shaped guiding grooves 18 are formed on the inner walls on both sides of the linkage column 11. The L-shaped guiding grooves 18 include a vertical section and an inclined section at the bottom of the vertical section. A guiding pin 19 slidably connected to the L-shaped guiding grooves 18 is installed on the lifting plate 12;

[0044] The electric push rod 17 drives the lifting seat 16 to drive the lifting plate 12 to move downward. At this time, the guiding pin 19 slides in the vertical section of the L-shaped guiding groove 18 until the hollow rotating tube 31 is inserted into the inner hole of the diamond roller. Subsequently, through the continuous downward movement of the lifting plate 12, the guiding pin 19 enters the inclined section from the vertical section of the L-shaped guiding groove 18, synchronously driving the lifting plate 12 to move horizontally, prompting the grinding rod 32 on the hollow rotating tube 31 to contact the inner wall of the inner hole of the diamond roller, automatically realizing the comprehensive grinding treatment of inner holes of different sizes. Without the replacement operation in the prior art, the applicable range of the device can be improved while the use convenience is enhanced.

[0045] A spline shaft 33 slidably connected to the hollow rotating tube 31 is rotatably installed on the lifting plate 12. A worm 34 is fixedly connected to the spline shaft 33. A second motor 35 for driving the spline shaft 33 to rotate is installed on the lifting plate 12 through bolts. The second motor 35 drives the spline shaft 33 to rotate, and the spline shaft 33 drives the hollow rotating tube 31 to rotate, prompting the grinding rod 32 to polish the inner hole of the diamond roller.

[0046] Embodiment 2: Please refer to Figures 5 - 8 As shown, for the problem of further improving the grinding efficiency and assisting in debris cleaning, the following solutions can be adopted;

[0047] In this embodiment, the rotary clamping assembly 2 includes a rotating ring 21 rotatably installed on the base 1, and a placing plate 22 is fixedly connected to the top of the rotating ring 21. A plurality of clamping blocks 23 are installed on the placing plate 22. The air-cooled grinding assembly 3 includes a hollow rotating tube 31. A grinding rod 32 is installed on the outer wall of the hollow rotating tube 31, and spiral grooves are formed on the outer wall of the grinding rod 32. During the rotation of the grinding rod 32, through the spiral grooves on its surface, the debris is assisted to move downward, thereby efficiently collecting the debris;

[0048] A plurality of air outlet holes communicating with the inside of the hollow rotating tube 31 are formed in the spiral grooves. Through the setting of the hollow rotating tube 31 and the air outlet holes, during the grinding process, after blowing air into the inside of the hollow rotating tube 31 and discharging it through the air outlet holes, not only can the overall air-cooled temperature reduction treatment of the hollow rotating tube 31 be assisted to improve the service life, but also the grinding debris between the hollow rotating tube 31 and the diamond roller can be blown out at a short distance to improve the cleaning effect.

[0049] On both sides of the bottom of the lifting plate 12, two groups of air chamber seats 36 are symmetrically and fixedly connected. A worm gear 37 meshing with the worm 34 is rotatably connected between the air chamber seats 36. The spline shaft 33 drives the worm 34 to rotate, and the worm 34 drives the engaged worm gear 37 to rotate. Cam grooves 38 are formed on both end faces of the worm gear 37. An I-shaped wheel 39 for driving the hollow rotating tube 31 to reciprocate up and down by linking with the worm gear 37 is fixedly connected to the outer wall of the hollow rotating tube 31.

[0050] A push rod 310 is slidably connected to the air chamber seat 36. A clamping block 311 sliding with the I-shaped wheel 39 is fixedly connected between the bottoms of the push rods 310. A guiding column 312 sliding with the cam groove 38 is fixedly connected to the push rod 310. Through the guiding of the guiding column 312 by the cam groove 38 on the worm gear 37, the push rod 310 is made to drive the clamping block 311 to reciprocate. Combining the sliding of the clamping block 311 and the I-shaped wheel 39, the rotating hollow rotating tube 31 is caused to reciprocate up and down synchronously, and multi-directional and rapid grinding treatment is carried out on the inner hole side wall of the diamond roller, which can not only further improve the grinding efficiency, but also further increase the efficiency of pushing the debris downward for discharge.

[0051] A gas ring 313 that is hermetically rotated with the hollow rotating tube 31 is fixedly connected to the clamping block 311. An air inlet hole communicating with the gas ring 313 is formed on the hollow rotating tube 31. An air chamber is provided on the inner wall of the gas ring 313. Through the cooperation of the gas ring 313 and the air inlet hole, while blowing air into the hollow rotating tube 31, interference with its rotation is avoided. A piston block 314 that is hermetically slid with the air chamber seat 36 is fixedly connected to the end of the push rod 310. Two one-way valves are installed on the air chamber seat 36. A trachea 315 is fixedly connected between one of the one-way valves and the gas ring 313;

[0052] While the push rod 310 reciprocates, it simultaneously drives the piston block 314 to slide in the air chamber seat 36. Combining the two one-way valves, external air is intermittently extracted and injected into the interior of the trachea 315, and then enters the interior of the hollow rotating tube 31 through the gas ring 313 and the air inlet hole, and then sprays out from the air outlet hole, further performing air cooling on the grinding rod 32 and the inner hole of the diamond roller, and assisting in blowing and cleaning the debris on the inner hole wall at close range.

[0053] Embodiment 3: Please refer to Figures 1 - 8 As shown, the present invention also proposes a use method of a high-precision grinding device for the inner hole of a diamond roller installation, including the following steps:

[0054] Step 1: Place the diamond roller between a plurality of clamping blocks 23. Rotate the screw rod 26 to drive the corresponding clamping block 23 to move, and through the sliding of the guiding rod 27 on the clamping block 23 and the linkage plate 28, the linkage plate 28 is deflected, and then the other clamping blocks 23 are driven to move synchronously relative to each other, completing the centering clamping process of the diamond roller;

[0055] Step 2: The electric push rod 17 drives the lifting seat 16 to drive the lifting plate 12 to move downward. At this time, the guiding pin 19 slides in the vertical section of the L-shaped guiding groove 18 until the hollow rotating tube 31 is inserted into the inner hole of the diamond roller. Subsequently, through the continuous downward movement of the lifting plate 12, the guiding pin 19 enters the inclined section from the vertical section of the L-shaped guiding groove 18, synchronously driving the lifting plate 12 to move horizontally, so that the grinding rod 32 on the hollow rotating tube 31 contacts the inner wall of the inner hole of the diamond roller;

[0056] Step 3: The first motor 13 drives the gear 14 to rotate. By meshing the gear 14 with the toothed ring 24, it drives the rotating ring 21 to drive the placement plate 22 to rotate, and then drives the clamped diamond roller to rotate. At this time, the second motor 35 drives the spline shaft 33 to rotate. The spline shaft 33 drives the worm 34 and the hollow rotating tube 31 to rotate. The worm 34 drives the engaged worm gear 37 to rotate. Through the guiding of the guiding column 312 by the cam groove 38 on the worm gear 37, it causes the push rod 310 to drive the clamping block 311 to reciprocate. Combined with the sliding of the clamping block 311 and the I-shaped wheel 39, the rotating hollow rotating tube 31 synchronously reciprocates up and down to perform multi-directional and rapid grinding treatment on the side wall of the inner hole of the diamond roller. During the rotation of the grinding rod 32, through the spiral groove on its surface, it assists in pushing the debris to move downward, thereby efficiently collecting the debris and assisting in realizing the flow of air between the grinding rod 32 and the inner hole wall for cooling treatment;

[0057] Step 4: The debris generated by the grinding of the side wall of the inner hole of the diamond roller, due to the factors of gravity and the thrust of the spiral groove, falls into the collection cloth bag 15 through the rotating ring 21 for collection. At the same time as the push rod 310 reciprocates, it synchronously drives the piston block 314 to slide in the air chamber seat 36, and combined with two one-way valves, intermittently extracts the outside air and injects it into the trachea 315. Then, it enters the hollow rotating tube 31 through the air ring 313 and the air inlet hole, and then sprays out from the air outlet hole to further cool the grinding rod 32 and the inner hole of the diamond roller by air cooling, and assist in blowing and cleaning the debris on the inner hole wall.

[0058] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A high-precision grinding equipment for the inner hole of diamond roller installation, including a base (1), a linkage column (11) fixedly connected to the top of the base (1), and a rotary clamping assembly (2) arranged on the base (1) for centering and clamping the diamond roller, characterized in that: An elevator plate (12) is movably installed on the linkage column (11), and an air-cooled grinding assembly (3) for efficient cooling grinding and assisting in cleaning debris in the inner hole is arranged on the elevator plate (12); The rotary clamping assembly (2) includes a rotating ring (21) rotatably installed on the base (1), and a placing plate (22) is fixedly connected to the top of the rotating ring (21), and multiple clamping blocks (23) are installed on the placing plate (22); The air-cooled grinding assembly (3) includes a hollow rotating pipe (31), a grinding rod (32) is installed on the outer wall of the hollow rotating pipe (31), and a spiral groove is opened on the outer wall of the grinding rod (32), and multiple air outlet holes communicating with the inside of the hollow rotating pipe (31) are opened in the spiral groove.

2. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 1, characterized in that, A motor one (13) is installed on the base (1) through bolts, and a gear (14) is fixedly installed on the output shaft of the motor one (13), a toothed ring (24) meshing with the gear (14) is fixedly connected to the rotating ring (21), and a slider (25) sliding with the placing plate (22) is welded to the bottom of the clamping block (23).

3. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 2, characterized in that, A screw rod (26) threadedly connected to one of the sliders (25) is rotatably connected to the placing plate (22), a guiding rod (27) is fixedly connected to the bottom of the slider (25), and a linkage plate (28) sliding with multiple guiding rods (27) is rotatably connected to the rotating ring (21).

4. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 1, characterized in that, A collecting cloth bag (15) communicating with the rotating ring (21) is fixedly connected to the bottom of the base (1), and a chip discharging cover plate is installed at the bottom opening of the collecting cloth bag (15).

5. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 1, characterized in that, An elevator seat (16) sliding with the linkage column (11) is slidably installed on the elevator plate (12), an electric push rod (17) is fixedly installed between the elevator seat (16) and the base (1), L-shaped guiding grooves (18) are opened on the inner walls of both sides of the linkage column (11), and guiding pins (19) sliding with the L-shaped guiding grooves (18) are installed on the elevator plate (12).

6. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 1, characterized in that, A spline shaft (33) sliding with the hollow rotating pipe (31) is rotatably connected to the elevator plate (12), a worm (34) is fixedly connected to the spline shaft (33), and a motor two (35) for driving the spline shaft (33) to rotate is installed on the elevator plate (12) through bolts.

7. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 6, characterized in that, Two groups of air chamber seats (36) are symmetrically and fixedly connected to both sides of the bottom of the elevator plate (12), a worm gear (37) meshing with the worm (34) is rotatably connected between the air chamber seats (36), cam grooves (38) are opened on both end faces of the worm gear (37), and an I-shaped wheel (39) for driving the hollow rotating pipe (31) to reciprocate up and down by the worm gear (37) is fixedly connected to the outer wall of the hollow rotating pipe (31).

8. A high-precision grinding device for the inner hole of a diamond roller installation according to claim 7, characterized in that, A push rod (310) is slidably connected to the air cavity seat (36), and a clamping block (311) that slides with the I-shaped wheel (39) is fixedly connected between the bottoms of the push rods (310). A guiding column (312) that slides with the cam groove (38) is fixedly connected to the push rod (310).

9. A high-precision grinding device for the inner hole of a diamond roller mounting according to claim 8, characterized in that, An air ring (313) that is hermetically rotated with the hollow rotating tube (31) is fixedly connected to the clamping block (311), and an air inlet hole that communicates with the air ring (313) is formed in the hollow rotating tube (31). A piston block (314) that is hermetically slid with the air cavity seat (36) is fixedly connected to the end of the push rod (310). Two one-way valves are installed on the air cavity seat (36), and a trachea (315) is fixedly connected between one of the one-way valves and the air ring (313).

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