Numerical control high-speed cylindrical grinding machine for workpiece machining

Abstract

The invention belongs to the technical field of cylindrical grinding machine equipment, particularly relates to a numerical control high-speed cylindrical grinding machine for workpiece machining, and aims at solving the problem that the whole cylindrical grinding efficiency is affected due to the fact that the contact position of a grinding assembly in the prior art is not movable. A workpiece clamping fixing frame and a workpiece clamping sliding frame are arranged at the two ends of the top of the grinding machine fixing base respectively, the workpiece clamping fixing frame and the grinding machine fixing base are fixed through bolts, and the workpiece clamping sliding frame and the grinding machine fixing base are installed in a sliding mode. Grinding moving blocks on the two sides drive driving gears to move in a sliding groove in a grinding ring frame through a driving motor, the outer circle surface of a workpiece is wrapped with a grinding belt for grinding, when the grinding belt descends, an electric push rod contracts, a tensioning wheel ascends, the stored grinding belt is released, and the workpiece is ground. The grinding belt can adjust the contact area with the outer circle grinding position of the workpiece, the grinding effect is improved, and the outer circle grinding efficiency is also improved through the rotating state of the grinding belt.

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 base 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 base.

[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 inside of the tensioning wheel sliding groove is provided with a tensioning wheel sliding block which is provided with a tensioning wheel on the side wall 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, a vertically arranged electric push rod is arranged at the top of the tensioning wheel sliding groove in the polishing ring frame, and the bottom of the electric push rod is fixed to the top of the tensioning wheel sliding block.

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

[0016] When the workpiece is locked, the corresponding adjusting bolt is screwed, the worm structure on the adjusting bolt drives the clamping jaw shaft gear, and the clamping jaw is locked and fixed in position by the locking of the ratchet. When the workpiece needs to be released, the connecting rod connected with the ratchet top plate is rotated to release the ratchet, and the clamping jaw is loosened to take out the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The application provides a workpiece machining numerical control high-speed cylindrical grinder. Figure 2 The application provides a workpiece clamping turntable structure of the workpiece machining numerical control high-speed cylindrical grinder. Figure 3 The application provides a workpiece machining numerical control high-speed cylindrical grinder Figure 2 The application provides a workpiece machining numerical control high-speed cylindrical grinder Figure 4 The application provides a workpiece machining numerical control high-speed cylindrical grinder Figure 5 The application provides a workpiece machining numerical control high-speed cylindrical grinder Figure 6The application provides a polishing ring frame sectional structure schematic diagram of a numerical control high-speed cylindrical grinder for workpiece machining.

[0018] In the figure: 1, grinder fixed seat; 2, workpiece clamping fixed frame; 3, workpiece clamping sliding frame; 4, workpiece clamping rotary table; 5, clamping jaw; 6, side sliding groove; 7, sliding frame sliding groove; 8, side moving frame; 9, fixed top frame; 10, polishing ring frame; 11, tensioning wheel sliding groove; 12, polishing moving block; 13, polishing belt; 14, adjusting bolt groove; 15, adjusting bolt; 16, clamping jaw rotary shaft; 17, clamping jaw rotary shaft gear; 18, ratchet wheel; 19, second drive lead screw; 20, first drive lead screw; 21, bearing mounting groove; 22, air top rod; 23, polishing ring frame inner sliding groove; 24, first polishing pulley; 25, polishing belt storage chamber; 26, drive gear; 27, gear disc; 28, second polishing pulley; 29, third polishing pulley; 30, tensioning wheel sliding block; 31, electric push rod. DETAILED DESCRIPTION

[0019] REFERENCE Figures 1-6 A numerical control high-speed cylindrical grinder for workpiece machining, comprising a grinder fixed seat 1, workpiece clamping fixed frames 2 and workpiece clamping sliding frames 3 are arranged at the top of both ends of the grinder fixed seat 1, the workpiece clamping fixed frames 2 are fixed between the grinder fixed seat 1 through bolts, the workpiece clamping sliding frames 3 are slidingly installed between the grinder fixed seat 1, the workpiece clamping fixed frames 2 and the workpiece clamping sliding frames 3 are both provided with workpiece clamping rotary tables 4 through bearings on one side, three clamping jaws 5 are arranged on the circumferential position of the workpiece clamping rotary tables 4 through bearings, side moving frames 8 are slidingly installed on both sides of the top of the grinder fixed seat 1, fixed top frames 9 are installed on the top of the two side moving frames 8, and polishing mechanisms are arranged between the fixed top frames 9 on both sides.

[0020] Further, a sliding frame sliding groove 7 is arranged at the middle position of the top of the grinder fixed seat 1, and the bottom of the workpiece clamping sliding frame 3 is slidingly and clampingly installed between the sliding frame sliding groove 7.

[0021] Further, a first drive lead screw 20 is installed in the sliding frame sliding groove 7 through a bearing, and the first drive lead screw 20 is threadedly and sleevedly installed between the bottom of the workpiece clamping sliding frame 3.

[0022] 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.

[0023] 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.

[0024] 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.

[0025] Further, the circumferential position of the workpiece clamping turntable 4 is provided with an adjusting bolt groove 14, and the adjusting bolt 15 rotatingly 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 circumferential outer wall of the clamping jaw rotating shaft 16 is fixed with the clamping jaw rotating shaft gear 17. 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 position of the adjusting bolt 15 is also provided with a ratchet wheel 18. 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. The connecting rod extends to the outer wall of the workpiece clamping turntable 4.

[0026] 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. 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. The output shaft of the driving motor is fixed with a driving gear 26 engaged with the teeth of the gear disc 27.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] 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 CNC high-speed cylindrical grinding machine for workpiece machining, comprising a grinding machine base (1), wherein a workpiece clamping fixing frame (2) and a workpiece clamping sliding frame (3) are respectively provided at both ends of the top of the grinding machine base (1), characterized in that, The workpiece clamping frame (2) is fixed to the grinding machine base (1) by bolts. The workpiece clamping sliding frame (3) is slidably installed between the workpiece clamping frame (2) and the grinding machine base (1). A workpiece clamping turntable (4) is installed on one side of both the workpiece clamping frame (2) and the workpiece clamping sliding frame (3) by bearings. Three clamping claws (5) are installed on the circumference of the workpiece clamping turntable (4) by bearings. Side moving frames (8) are slidably installed on both sides of the top of the grinding machine base (1). Fixed top frames (9) are installed on the top of both side moving frames (8). A grinding mechanism is provided between the fixed top frames (9) on both sides.

2. The CNC high-speed cylindrical grinding machine for workpiece machining according to claim 1, characterized in that, The top center of the grinding machine mounting base (1) is provided with a sliding frame groove (7), and the bottom of the workpiece clamping sliding frame (3) is slidably engaged with the sliding frame groove (7).

3. The CNC high-speed cylindrical grinding machine for workpiece machining according to claim 2, characterized in that, The sliding groove (7) of the sliding frame is equipped with a first drive screw (20) through a bearing. The first drive screw (20) is threadedly fitted between the bottom of the workpiece clamping sliding frame (3).

4. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 3, characterized in that, The grinding machine mounting base (1) has side sliding grooves (6) on both sides of the top. The two side sliding grooves (6) are equipped with second drive screws (19) through bearings. The second drive screws (19) are threadedly installed between the bottom of the side moving frame (8). One end of the two second drive screws (19) and the first drive screw (20) is fixed with a drive motor, and the drive motor is fixed inside one end of the grinding machine mounting base (1).

5. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 1, characterized in that, The top of the side-moving frame (8) is provided with a bearing mounting groove (21), and a servo motor is nested inside the bearing mounting groove (21). The output shaft of the servo motor is fixed to the top fixed frame (9).

6. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 5, characterized in that, The top side wall of the fixed top frame (9) has two air jack rod fixing slots, and air jack rods (22) are installed in the two air jack rod fixing slots. The air jack rods (22) are fixed to the side wall of the grinding ring frame (10).

7. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 1, characterized in that, The workpiece clamping turntable (4) has an adjustment slot (14) on its circumference. An adjustment bolt (15) is mounted inside the adjustment slot (14) via a bearing. A worm gear structure is provided on the circumference of the adjustment bolt (15). A clamping claw shaft (16) is also fixed inside the workpiece clamping turntable (4) via a bearing. The clamping claw shaft (16) is fixed to the shaft of the clamping claw (5). A clamping claw shaft gear (17) is fixed on the outer circumference of the clamping claw shaft (16). The clamping claw shaft gear (17) is installed in conjunction with the worm gear structure on the outer wall of the adjustment bolt (15). A ratchet (18) is also provided on the circumference of the adjustment bolt (15). A ratchet top plate is installed on the inner circumference of the adjustment slot (14). A connecting rod is fixed on the deflection shaft of the ratchet top plate. The connecting rod extends to the outer wall of the workpiece clamping turntable (4).

8. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 1, characterized in that, The grinding mechanism includes two grinding moving blocks (12) slidably mounted on the inner wall of the grinding ring frame (10). A first grinding pulley (24) is mounted on the middle position of each of the two grinding moving blocks (12) via a bearing. The inner wall of the grinding ring frame (10) is provided with an annular inner groove (23). The two grinding moving blocks (12) are slidably mounted inside the inner groove (23) of the grinding ring frame. An annular gear disk (27) is fixed on the inner wall of the inner groove (23) of the grinding ring frame, and the teeth of the gear disk (27) are located on the side. A drive motor is fixed inside the grinding moving block (12), and a drive gear (26) that meshes with the teeth of the gear disk (27) is fixed on the output shaft of the drive motor.

9. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 8, characterized in that, The top of the grinding ring frame (10) is provided with a grinding belt storage chamber (25). The bottom of the grinding belt storage chamber (25) is equipped with two symmetrically distributed second grinding belt pulleys (28) through bearings. The top of the grinding belt storage chamber (25) is equipped with two symmetrically distributed third grinding belt pulleys (29) through bearings. The top of the grinding ring frame (10) is provided with a tension wheel groove (11). The tension wheel slider (30) is slidably installed inside the tension wheel groove (11). The side wall of the tension wheel slider (30) is equipped with a tension wheel through bearings. The same grinding belt (13) is sleeved between the two first grinding belt pulleys (24), the two second grinding belt pulleys (28), the two third grinding belt pulleys (29) and the tension wheel.

10. A CNC high-speed cylindrical grinding machine for workpiece machining according to claim 9, characterized in that, A vertically arranged electric push rod (31) is nested inside the grinding ring frame (10) at the top position of the tension wheel slide groove (11), and the bottom of the electric push rod (31) is fixed to the top of the tension wheel slider (30).

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