Numerical control high speed cylindrical grinder for workpiece machining

Abstract

The application belongs to the technical field of cylindrical grinding machine equipment, and particularly relates to a numerical control high-speed cylindrical grinding machine for workpiece machining, which aims at the problem that the contact position of the polishing assembly in the prior art cannot be moved, thereby affecting the efficiency of the whole cylindrical polishing, and proposes the following scheme, which comprises a grinding machine fixing seat, the top of the grinding machine fixing seat is respectively provided with a workpiece clamping fixed frame and a workpiece clamping sliding frame at both ends, the workpiece clamping fixed frame is fixed through bolts between the grinding machine fixing seat, and the workpiece clamping sliding frame is slidingly installed between the grinding machine fixing seat. The polishing moving blocks at both sides are driven by the driving motor to move the driving gear in the sliding groove in the polishing ring frame, so that the polishing belt is wrapped around the outer cylindrical surface of the workpiece for polishing. When the polishing belt is lowered, the electric push rod is retracted, the tensioning wheel is lifted, the stored polishing belt is released, the area of the polishing belt in contact with the polishing position of the outer cylinder of the workpiece can be adjusted, the polishing effect is improved, and the state of the rotation of the polishing belt also improves the efficiency of the cylindrical polishing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cylindrical grinding machine equipment, and particularly relates to a workpiece machining numerical control high-speed cylindrical grinding machine. BACKGROUND

[0002] The cylindrical grinding machine is a grinding machine for processing the cylindrical, conical or other shape linearly generated outer surface and shaft shoulder end face; it is most widely used and can process various cylindrical and conical outer surfaces and shaft shoulder end faces.

[0003] As disclosed in Chinese patent document CN108908032B, a cylindrical grinding machine with uniform grinding is disclosed, which comprises a base, a motor is fixedly installed on one side of the top end of the base, a spur gear is fixedly sleeved on the output shaft of the motor, the outer gear of the spur gear is meshed with a driving mixing gear, a rotating shaft is fixedly sleeved in the middle of the driving mixing gear, the bottom end of the rotating shaft is movably sleeved with the top end of the base, the driving mixing gear is drivingly connected with a driven mixing gear through a conveying belt, and a rotating rod is fixedly sleeved in the middle of the driven mixing gear. The above-mentioned patent discloses the following problems: in the working process of the above-mentioned cylindrical grinding machine, the fixed grinding assembly is used for grinding, the position adjustment of grinding is realized by the rotation of the workpiece itself, the contact position of the grinding assembly is immovable, the efficiency of the whole cylindrical grinding is affected, and the prior art cannot solve such problems, therefore, the workpiece machining numerical control high-speed cylindrical grinding machine is needed to solve the above-mentioned problems. SUMMARY

[0004] Based on the technical problem that the contact position of the grinding assembly of the prior art is immovable and affects the efficiency of the whole cylindrical grinding, the present application provides a workpiece machining numerical control high-speed cylindrical grinding machine.

[0005] The workpiece machining numerical control high-speed cylindrical grinding machine provided by the present application comprises a grinding machine fixing seat, workpiece clamping fixed frames and workpiece clamping sliding frames are arranged at the top of both ends of the grinding machine fixing seat, the workpiece clamping fixed frames are fixed between the grinding machine fixing seat through bolts, the workpiece clamping sliding frames are slidingly installed between the grinding machine fixing seat, workpiece clamping turntables are installed on one side of the workpiece clamping fixed frames and the workpiece clamping sliding frames through bearings, three clamping claws are installed on the circumferential position of the workpiece clamping turntables through bearings, side moving frames are slidingly installed on both sides of the top of the grinding machine fixing seat, fixed top frames are installed on the top of the two side moving frames, and a grinding mechanism is arranged between the fixed top frames at both sides.

[0006] Preferably, a sliding frame sliding groove is formed in the middle position of the top of the grinding machine fixing seat, and the bottom of the workpiece clamping sliding frame is slidingly and clampingly installed between the sliding frame sliding groove.

[0007] Preferably, the inside of the sliding frame sliding groove is provided with a first drive lead screw through bearing mounting, which is threadedly sleeved with the bottom of the workpiece clamping sliding frame.

[0008] Preferably, the top of the grinding machine fixing seat is provided with a side sliding groove on both sides, and the inside of the two side sliding grooves is provided with a second drive lead screw through bearing mounting, which is threadedly sleeved with the bottom of the side moving frame, and one end of the two second drive lead screws and the first drive lead screw is fixedly provided with a driving motor, and the driving motor is fixedly arranged in the inside of one end of the grinding machine fixing seat.

[0009] Preferably, the top of the side moving frame is provided with a bearing mounting groove, and the inside of the bearing mounting groove is nestedly provided with a rudder machine.

[0010] Preferably, the top side wall of the fixed top frame is provided with two air jacks fixing grooves, and the two air jacks fixing grooves are provided with air jacks.

[0011] Preferably, the circumference of the workpiece clamping turntable is provided with an adjusting bolt groove, the inside of the adjusting bolt groove is provided with a rotating adjusting bolt through bearing mounting, the circumference of the adjusting bolt is provided with a worm structure, the inside of the workpiece clamping turntable is further provided with a clamping jaw rotating shaft through bearing fixing, the clamping jaw rotating shaft is fixedly arranged with the rotating shaft of the clamping jaw, the circumference of the clamping jaw rotating shaft is fixedly provided with a clamping jaw rotating shaft gear, the clamping jaw rotating shaft gear is matchedly arranged with the worm structure of the outer wall of the adjusting bolt, the circumference of the adjusting bolt is further provided with a ratchet wheel, and the circumference of the adjusting bolt groove is provided with a ratchet wheel top plate, a connecting rod is fixedly arranged on the deflection shaft of the ratchet wheel top plate, and the connecting rod extends to the outer wall of the workpiece clamping turntable.

[0012] Preferably, the polishing mechanism comprises two polishing moving blocks slidingly mounted on the inner wall of the polishing ring frame, the middle positions of the two polishing moving blocks are provided with a first polishing belt pulley through bearing mounting, the inner wall of the polishing ring frame is provided with an annular polishing ring frame inner sliding groove, the two polishing moving blocks are slidingly mounted in the inside of the polishing ring frame inner sliding groove, the inner wall of the polishing ring frame inner sliding groove is fixedly provided with a ring-shaped gear disc, and the teeth of the gear disc are located at the side positions, the inside of the polishing moving block is fixedly provided with a driving motor, and the output shaft of the driving motor is fixedly provided with a driving gear which is engaged with the teeth of the gear disc.

[0013] Preferably, the top of the polishing ring frame is provided with a polishing belt storage chamber, the bottom of the polishing belt storage chamber is provided with two symmetrically distributed second polishing belt wheels through bearings, the top of the polishing belt storage chamber is provided with two symmetrically distributed third polishing belt wheels through bearings, the top of the polishing ring frame is provided with a tensioning wheel sliding groove, the tensioning wheel sliding groove is internally provided with a tensioning wheel sliding block which is internally provided with a tensioning wheel through a bearing, and the same polishing belt is arranged between the two first polishing belt wheels, the two second polishing belt wheels, the two third polishing belt wheels and the tensioning wheel.

[0014] Preferably, the top of the polishing ring frame is provided with a polishing belt storage chamber, the bottom of the polishing belt storage chamber is provided with two symmetrically distributed second polishing belt wheels through bearings, the top of the polishing belt storage chamber is provided with two symmetrically distributed third polishing belt wheels through bearings, the top of the polishing ring frame is provided with a tensioning wheel sliding groove, the tensioning wheel sliding groove is internally provided with a tensioning wheel sliding block which is internally provided with a tensioning wheel through a bearing, and the same polishing belt is arranged between the two first polishing belt wheels, the two second polishing belt wheels, the two third polishing belt wheels and the tensioning wheel.

[0015] The beneficial effects in the present application are:

[0016] The workpiece machining numerical control high-speed cylindrical grinder, the polishing moving blocks at both sides are driven by the driving motor to move in the sliding groove in the polishing ring frame, so that the polishing belt is wrapped around the outer circular surface of the workpiece for polishing. When the polishing belt is lowered, the electric push rod is retracted, the tensioning wheel is raised, the stored polishing belt is released, the area of the polishing belt in contact with the polishing position of the outer circle of the workpiece can be adjusted, the polishing effect is improved, and the state of the rotating polishing belt also improves the efficiency of the outer circle polishing.

[0017] When the workpiece is locked, the corresponding adjusting bolt is screwed, the worm structure on the adjusting bolt drives the clamping jaw rotating shaft gear, and the locking of the ratchet wheel makes the clamping jaw lock the workpiece in a fixed position. When the workpiece needs to be released, rotating the connecting rod connected to the ratchet wheel top plate can release the ratchet wheel, and rotating the adjusting bolt can release the clamping jaw to take out the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application provides a workpiece machining numerical control high-speed cylindrical grinder overall structure schematic view;

[0019] Figure 2 The present application provides a workpiece machining numerical control high-speed cylindrical grinder workpiece clamping turntable structure schematic view;

[0020] Figure 3 The present application provides a workpiece machining numerical control high-speed cylindrical grinder Figure 2 The present application provides a workpiece machining numerical control high-speed cylindrical grinder A part structure enlarged schematic view;

[0021] Figure 4 The present application provides a workpiece machining numerical control high-speed cylindrical grinder sliding frame sliding groove structure schematic view;

[0022] Figure 5A grinding mechanism structure schematic view of a workpiece machining numerical control high-speed cylindrical grinder is provided for the present application.

[0023] Figure 6 A grinding ring frame cross-sectional structure schematic view of a workpiece machining numerical control high-speed cylindrical grinder is provided for the present application.

[0024] In the figure: 1, grinding machine fixed seat; 2, workpiece clamping fixed frame; 3, workpiece clamping sliding frame; 4, workpiece clamping turntable; 5, clamping jaw; 6, side sliding groove; 7, sliding frame sliding groove; 8, side moving frame; 9, fixed top frame; 10, grinding ring frame; 11, tensioning wheel sliding groove; 12, grinding moving block; 13, grinding belt; 14, adjusting bolt groove; 15, adjusting bolt; 16, clamping jaw rotating shaft; 17, clamping jaw rotating shaft gear; 18, ratchet; 19, second drive lead screw; 20, first drive lead screw; 21, bearing mounting groove; 22, air top rod; 23, grinding ring frame inner sliding groove; 24, first grinding belt pulley; 25, grinding belt storage chamber; 26, drive gear; 27, gear disc; 28, second grinding belt pulley; 29, third grinding belt pulley; 30, tensioning wheel sliding block; 31, electric push rod. DETAILED DESCRIPTION

[0025] REFERENCE Figures 1-6 A workpiece machining numerical control high-speed cylindrical grinder, comprising a grinding machine fixed seat 1, the top of the grinding machine fixed seat 1 is provided with a workpiece clamping fixed frame 2 and a workpiece clamping sliding frame 3 at both ends respectively, the workpiece clamping fixed frame 2 is fixed between the grinding machine fixed seat 1 through bolts, the workpiece clamping sliding frame 3 is slidingly installed between the grinding machine fixed seat 1, one side of the workpiece clamping fixed frame 2 and the workpiece clamping sliding frame 3 is provided with a workpiece clamping turntable 4 through bearings, three clamping jaws 5 are installed at the circumferential position of the workpiece clamping turntable 4 through bearings, the two sides of the top of the grinding machine fixed seat 1 are slidingly installed with side moving frames 8, the top of the two side moving frames 8 is installed with fixed top frames 9, and the grinding mechanism is arranged between the two side fixed top frames 9.

[0026] Further, a sliding frame sliding groove 7 is formed in the middle position of the top of the grinding machine fixed seat 1, and the bottom of the workpiece clamping sliding frame 3 is slidingly connected and installed between the sliding frame sliding groove 7.

[0027] Further, the first drive lead screw 20 is installed in the sliding frame sliding groove 7 through bearings, and the first drive lead screw 20 is threadedly sleeved and installed between the bottom of the workpiece clamping sliding frame 3.

[0028] Further, the top of the grinding machine fixing seat 1 is provided with a side sliding groove 6 on both sides, and the second driving lead screw 19 is installed in the two side sliding grooves 6 through bearings. The second driving lead screw 19 is threadedly installed between the bottom of the side moving frame 8. One end of the second driving lead screw 19 and the first driving lead screw 20 is fixed with a driving motor, and the driving motor is fixed in the inside of one end of the grinding machine fixing seat 1. The corresponding driving motor drives the first driving lead screw 20 and the second driving lead screw 19 to rotate. When the workpiece is fixed, the position of the workpiece clamping sliding frame 3 is adjusted, and the synchronous movement of the side moving frame 8 makes the polishing ring frame 10 move in a vertical state. The synchronous drive after the asynchronous rotation of the side moving frame 8 makes the polishing ring frame 10 move in an inclined state.

[0029] Further, the top of the side moving frame 8 is provided with a bearing mounting groove 21, and the rudder machine is nested and installed in the inside of the bearing mounting groove 21. The output shaft of the rudder machine is fixed with the fixed top frame 9 on the top.

[0030] Further, the top side wall of the fixed top frame 9 is provided with two air jacks fixed grooves, and the air jacks 22 are installed in the two air jacks fixed grooves. The air jacks 22 are fixed with the side wall of the polishing ring frame 10.

[0031] Further, the circumferential position of the workpiece clamping turntable 4 is provided with an adjusting bolt groove 14, and the adjusting bolt 15 rotating is installed in the inside of the adjusting bolt groove 14 through bearings. The circumferential position of the adjusting bolt 15 is provided with a worm structure. The inside of the workpiece clamping turntable 4 is also fixed with a clamping jaw rotating shaft 16 through bearings. The clamping jaw rotating shaft 16 is fixed with the rotating shaft of the clamping jaw 5. The clamping jaw rotating shaft 16 is fixed with the clamping jaw rotating shaft gear 17 on the circumferential outer wall. The clamping jaw rotating shaft gear 17 is installed in cooperation with the worm structure on the outer wall of the adjusting bolt 15. The circumferential of the adjusting bolt 15 is also provided with a ratchet wheel 18, and the circumferential inner wall of the adjusting bolt groove 14 is installed with a ratchet wheel top plate. The deflection shaft of the ratchet wheel top plate is fixed with a connecting rod, and the connecting rod extends to the outer wall of the workpiece clamping turntable 4.

[0032] Further, the polishing mechanism includes two polishing moving blocks 12 slidingly installed in the inner wall of the polishing ring frame 10. The first polishing belt pulley 24 is installed in the middle position of the two polishing moving blocks 12 through bearings. The inner wall of the polishing ring frame 10 is provided with an annular polishing ring frame inner sliding groove 23. The two polishing moving blocks 12 are slidingly installed in the inside of the polishing ring frame inner sliding groove 23. The inner wall of the polishing ring frame inner sliding groove 23 is fixed with a ring-shaped gear disc 27, and the teeth of the gear disc 27 are located at the side position. The inside of the polishing moving block 12 is fixed with a driving motor, and the output shaft of the driving motor is fixed with a driving gear 26 engaged with the teeth of the gear disc 27.

[0033] Further, the top of the polishing ring frame 10 is provided with a polishing belt storage chamber 25, the bottom of the polishing belt storage chamber 25 is provided with two symmetrically distributed second polishing belt wheels 28 through bearings, the top of the polishing belt storage chamber 25 is provided with two symmetrically distributed third polishing belt wheels 29 through bearings, the top of the polishing ring frame 10 is provided with a tensioning wheel sliding groove 11, the inside of the tensioning wheel sliding groove 11 is slidingly provided with a tensioning wheel sliding block 30, the side wall of the tensioning wheel sliding block 30 is provided with a tensioning wheel through a bearing, and the same polishing belt 13 is sleeved between the two first polishing belt wheels 24, the two second polishing belt wheels 28, the two third polishing belt wheels 29 and the tensioning wheel.

[0034] Further, the top of the polishing ring frame 10 is provided with a polishing belt storage chamber 25, the bottom of the polishing belt storage chamber 25 is provided with two symmetrically distributed second polishing belt wheels 28 through bearings, the top of the polishing belt storage chamber 25 is provided with two symmetrically distributed third polishing belt wheels 29 through bearings, the top of the polishing ring frame 10 is provided with a tensioning wheel sliding groove 11, the inside of the tensioning wheel sliding groove 11 is slidingly provided with a tensioning wheel sliding block 30, the side wall of the tensioning wheel sliding block 30 is provided with a tensioning wheel through a bearing, and the same polishing belt 13 is sleeved between the two first polishing belt wheels 24, the two second polishing belt wheels 28, the two third polishing belt wheels 29 and the tensioning wheel.

[0035] When the present application is used: first, the workpiece to be processed is fixed, and is fixed in the middle position of the workpiece clamping turntable 4 at both ends, and is locked and fixed, when locked, the corresponding adjusting bolt 15 is screwed, the worm structure on the adjusting bolt 15 drives the clamping jaw shaft gear 17, and the locking of the ratchet 18 makes the clamping jaw 5 locked and fixed position of the workpiece, if the workpiece needs to be released, the connecting rod connected with the ratchet top plate is rotated, so that the ratchet 18 is released, the adjusting bolt 15 is rotated, the clamping jaw 5 is released, and the workpiece can be taken out; when the workpiece is fixed, the outer circle is polished, the second drive screw 19 at both sides drives the movement of the side moving frame 8 at both sides, so that the polishing mechanism moves to polish the outer circle position of the workpiece, the polishing moving block 12 at both sides is driven by the driving motor to drive the driving gear 26 to move in the sliding groove 23 in the polishing ring frame, so that the polishing belt 13 wraps around the outer circle surface of the workpiece to polish, when the polishing belt 13 is lowered, the electric push rod 31 is retracted, the tensioning wheel is raised, and the stored polishing belt 13 is released; when the second drive screw 19 at both sides rotates to control the two side moving frames 8 to be asymmetrically inclined, the rudder in the side moving frame 8 at both sides controls the deflection of the fixed top frame 9 to make the polishing ring frame 10 inclined, and the four air jacks 22 keep stable, so that the polishing belt 13 is inclined and contacted with the workpiece.

[0036] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A numerical control high-speed cylindrical grinder for workpiece machining, comprising a grinder fixed base (1), the top of the grinder fixed base (1) is respectively provided with a workpiece clamping fixed frame (2) and a workpiece clamping sliding frame (3), characterized in that, The workpiece clamping fixed frame (2) is fixed between the grinding machine fixed seat (1) through bolts, the workpiece clamping sliding frame (3) is slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine fixed seat (1), the workpiece clamping fixed frame (2) and the workpiece clamping sliding frame (3) are slidably installed between the grinding machine ​ The polishing mechanism comprises two polishing moving blocks (12) slidingly installed in the inner wall of a polishing ring frame (10), a first polishing pulley (24) is installed in the middle position of each polishing moving block (12) through a bearing, an annular polishing ring frame inner sliding groove (23) is formed in the inner wall of the polishing ring frame (10), the two polishing moving blocks (12) are slidingly installed in the inner part of the polishing ring frame inner sliding groove (23), a gear disc (27) of an annular structure is fixed to the inner wall of the polishing ring frame inner sliding groove (23), and the gear part of the gear disc (27) is located at the side position, a driving motor is fixed in the inner part of the polishing moving block (12), a driving gear (26) engaged with the gear part of the gear disc (27) is fixed to the output shaft of the driving motor, a polishing belt storage cavity (25) is formed in the top of the polishing ring frame (10), two symmetrically distributed second polishing pulleys (28) are installed at the bottom of the polishing belt storage cavity (25) through bearings, two symmetrically distributed third polishing pulleys (29) are installed at the top of the polishing belt storage cavity (25) through bearings, a tension pulley sliding groove (11) is formed in the top of the polishing ring frame (10), a tension pulley sliding block (30) is slidingly installed in the inner part of the tension pulley sliding groove (11), a tension pulley is installed on the side wall of the tension pulley sliding block (30) through a bearing, and the same polishing belt (13) is sleeved between the two first polishing pulleys (24), the two second polishing pulleys (28), the two third polishing pulleys (29) and the tension pulley.

2. The numerically controlled high-speed cylindrical grinder for machining a workpiece according to claim 1, characterized by, The top middle position of the grinding machine fixing base (1) is provided with a sliding frame sliding groove (7), and the bottom of the workpiece clamping sliding frame (3) is slidingly connected with the sliding frame sliding groove (7).

3. The numerically controlled high-speed cylindrical grinder for machining a workpiece according to claim 2, characterized by, The first driving lead screw (20) is installed in the inner part of the sliding frame sliding groove (7) through a bearing.

4. The numerically controlled high-speed cylindrical grinder for machining a workpiece according to claim 3, characterized by The top two side positions of the grinding machine fixing base (1) are provided with side sliding grooves (6), the inner parts of the two side sliding grooves (6) are provided with second driving lead screws (19) through bearings, the second driving lead screws (19) are threadedly sleeved with the bottoms of the side moving frames (8), one end of each of the two second driving lead screws (19) and the first driving lead screw (20) is fixed with a driving motor, and the driving motor is fixed in one end of the inner part of the grinding machine fixing base (1).

5. The numerically controlled high-speed cylindrical grinder for machining a workpiece according to Claim 1, wherein The vertical electric push rod (31) is nested and installed at the top position of the tension pulley sliding groove (11) in the polishing ring frame (10), and the bottom of the electric push rod (31) is fixed with the top of the tension pulley sliding block (30).

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