Magnetic type end face grinding machine for machining convexity of end face of spherical roller

Abstract

The invention relates to the technical field of spherical roller end face convexity machining, and discloses a magnetic attraction type end face grinding machine for spherical roller end face convexity machining. The magnetic attraction type end face grinding machine comprises a bottom plate, an L-shaped pressing plate is slidably connected to the outer wall of a guide frame, a fixing plate is fixedly welded to the outer wall of a supporting frame, and a sliding plate is fixedly welded to the side, close to the supporting frame, of the fixing plate; a stabilizing rod is fixedly installed on the side, away from the supporting frame, of the stabilizing plate, and a second hydraulic rod is fixedly installed on the side, close to the stabilizing plate, of the top plate. According to the magnetic attraction type end face grinding machine for machining the convexity of the end face of the spherical roller, a spherical terminal is placed in a material guiding frame, the tail end of the spherical terminal is connected with a magnetic attraction rod, a second hydraulic rod drives a connecting plate to move, a first motor drives the magnetic attraction rod to rotate, and a rotating column is driven to rotate, so that the effect of driving the spherical terminal to rotate is achieved, and the production process is completed; the problems that a clamping jaw is generally adopted for clamping a workpiece, the concentricity cannot be guaranteed, the end face jumps, and the machining precision is low are solved.

Description

Technical Field

[0001] The invention relates to the technical field of spherical roller end face convexity processing, in particular to a magnetic end face grinding machine for spherical roller end face convexity processing. Background Art

[0002] In the field of modern machinery, spherical rollers are widely used, especially for bearing mounting parts. Correspondingly, higher requirements are put forward for the processing of spherical rollers, which not only require quality, but also require efficiency and cost rationalization. The end face of the spherical roller generally has one side as an outward convex spherical surface; In the prior art, the outer convex end surface of the spherical roller is often processed by a single grinding method using a cylindrical grinding wheel. This method is not only inefficient, but also costly and cannot guarantee accuracy. The workpiece is generally clamped by a clamping jaw, and the concentricity cannot be guaranteed, causing the end surface to run out, resulting in low processing accuracy. Therefore, we proposed a magnetic end face grinding machine for spherical roller end face convexity processing to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a magnetic end face grinding machine for spherical roller end face convexity processing, so as to solve the problem mentioned in the above background technology that the workpiece is generally clamped by a clamping jaw, the concentricity cannot be guaranteed, the end face produces a runout, and the processing accuracy is low.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a magnetic end face grinding machine for convexity processing of spherical roller end faces, comprising a base plate, the top outer wall of the base plate is fixedly welded with two support frames, the inner sides of the two support frames are fixedly installed with a material guide frame and a material discharge plate, the outer wall of the material guide frame is fixedly welded with two annular frames, the inner sides of the two annular frames are threadedly connected with a first bolt, the outer wall of the material guide frame is slidably connected with an L-shaped pressing plate, the outer wall of the support frame is fixedly welded with a fixing plate, a side of the fixing plate close to the support frame is fixedly welded with a sliding plate, the inside of the sliding plate is slidably connected with two sliding rods, the bottom of the sliding plate is fixedly installed with a first hydraulic rod, the output end of the first hydraulic rod is fixedly installed with a stabilizing plate, the outer wall of the stabilizing plate is fixedly installed with a collar, the inner side of the collar is rotatably connected with a rotating column, and the side of the stabilizing plate away from the support frame is fixedly installed with a stabilizing rod. A top plate is fixedly installed on the side of the stabilizing rod away from the stabilizing plate, a second hydraulic rod is fixedly installed on the side of the top plate close to the stabilizing plate, a connecting plate is fixedly installed on the output end of the second hydraulic rod, a first motor is fixedly installed on the side of the connecting plate away from the second hydraulic rod, and a magnetic suction rod is fixedly installed on the output end of the first motor, a first support plate and a second support plate are fixedly welded on the side of the stabilizing plate away from the first motor, two second bolts are penetrated inside the first support plate, a right side outer wall of the first support plate is movably connected to the outer wall of the limiting plate, a support column is fixedly installed on the outer wall of the limiting plate, a third bolt is connected to the inner thread of the support column, a ejector pin is movably connected to the side of the support column away from the limiting plate, a connecting column is fixedly connected to the inner part of the second support plate, a fourth bolt is connected to the inner thread of the second support plate, and a baffle is fixedly installed on the side of the connecting column away from the first support plate.

[0005] Preferably, a partition is fixedly installed on the top outer wall of the base plate, two third hydraulic rods are fixedly installed on the outer wall of the partition, a guide plate is fixedly installed on the top outer wall of the base plate, a cross plate is slidably connected inside the guide plate, a pad is fixedly installed on the top of the cross plate, a protective cover is fixedly installed on the outer wall of the pad, a second motor is fixedly installed on the outer wall of the cross plate, and a grinding disc is fixedly connected to the output end of the second motor.

[0006] Preferably, the grinding disc is arranged on the inner side of the protective cover, the outer wall of the transverse plate is fixedly connected to the output ends of the two third hydraulic rods, and the output end of the second motor is arranged through the inner side of the protective cover.

[0007] Preferably, the material guide frame is arranged directly above the blanking plate, and the interior of the L-shaped pressure plate is connected through the outer walls of the two first bolts.

[0008] Preferably, the top end of the stabilizing plate is fixedly connected to the bottom ends of the two sliding rods, and the outer wall of the stabilizing rod is slidably connected to the inside of the connecting plate.

[0009] Preferably, the outer wall of the magnetic rod is movably inserted into the inner side of the rotating column, the inside of the ejector pin is connected to the outer wall of the fourth bolt through, and the left outer wall of the baffle is movably connected to the outer wall of the fourth bolt.

[0010] Preferably, the ejector pin and the collar are arranged correspondingly, and the inner side of the baffle is arranged in an arc shape.

[0011] Preferably, the rotating column is made of plastic material, and the rotating column and the outer wall of the magnetic rod are arranged correspondingly.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The magnetic end face grinding machine for convexity processing of the spherical roller end face is arranged by placing the spherical terminal in the material guide frame, connecting the end of the spherical terminal with the magnetic rod, and driving the connecting plate to move by the second hydraulic rod. The first motor drives the magnetic rod to rotate, and drives the rotating column to rotate, so as to achieve the effect of driving the spherical terminal to rotate. After the grinding structure arranged on the right side completes the grinding of the spherical terminal, the first hydraulic rod drives the stabilizing plate to move up, drives the first support plate and the second support plate to move up, and drives the baffle plate to move up. After the spherical terminal loses its support, the spherical terminal will fall into the inside of the blanking plate to complete the production process, thus solving the problem that the workpiece is generally clamped by a clamping jaw, and the concentricity cannot be guaranteed, causing the end face to jump, resulting in low processing accuracy.

[0013] 2. The magnetic end face grinding machine for processing the convexity of the end face of the spherical roller can adjust the lateral position of the limit plate by adjusting the second bolt, and can adjust the position of the push rod, so that the movement of the spherical terminal can be more conveniently limited. When the inclination angle of the baffle needs to be adjusted, the fourth bolt is twisted, and the fourth bolt squeezes the baffle. According to the lever principle, the lower end position of the baffle can be adjusted.

[0014] 3. The magnetic end face grinding machine for spherical roller end face convexity processing, when the spherical terminal needs to be polished, turns on the second motor to drive the grinding disc to rotate, controls the third hydraulic rod to drive the cross plate to move, and the cross plate will drive the second motor and the grinding disc to move, so as to achieve the effect of grinding the spherical terminal.

[0015] 4. The magnetic end face grinding machine for convexity processing of the spherical roller end face is arranged directly above the blanking plate through the material guide frame. The blanking plate can guide and transfer the material. The L-shaped pressing plate is connected with the two first bolts. The L-shaped pressing plate can adjust the upper and lower positions and can be adjusted according to the size of the spherical terminal to prevent the spherical terminal from moving out of the material guide frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention; Figure 2 It is a rear view schematic diagram of the structure of the present invention; Figure 3 It is a three-dimensional schematic diagram of the support frame and its related structures of the present invention; Figure 4 It is a three-dimensional schematic diagram of the stabilizing plate and its related structures of the present invention; Figure 5 It is a three-dimensional schematic diagram of the partition and its related structures of the present invention; Figure 6 The structure of the present invention Figure 1 The enlarged schematic diagram at A in the middle; Figure 7 The structure of the present invention Figure 3 Enlarged schematic diagram of point B in the middle.

[0017] In the figure: 1, bottom plate; 2, support frame; 3, material guide frame; 4, unloading plate; 5, annular frame; 6, first bolt; 7, L-shaped pressure plate; 8, fixed plate; 9, slide plate; 10, slide bar; 11, first hydraulic rod; 12, stabilizing plate; 13, collar; 14, rotating column; 15, stabilizing rod; 16, top plate; 17, second hydraulic rod; 18, first motor; 19, magnetic rod; 20, connecting plate; 21, first support plate; 22, second bolt; 23, limit plate; 24, support column; 25, third bolt; 26, ejector pin; 27, second support plate; 28, connecting column; 29, fourth bolt; 30, baffle; 31, partition; 32, third hydraulic rod; 33, guide plate; 34, cross plate; 35, pad; 36, protective cover; 37, second motor; 38, grinding disc. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: Please refer to Figures 1-7. A magnetic end face grinding machine for processing the convexity of the end face of a spherical roller comprises a bottom plate 1, two support frames 2 are fixedly welded to the top outer wall of the bottom plate 1, a material guide frame 3 and a material discharge plate 4 are fixedly installed on the inner sides of the two support frames 2, two annular frames 5 are fixedly welded to the outer wall of the material guide frame 3, the inner sides of the two annular frames 5 are both threadedly connected with a first bolt 6, an L-shaped pressing plate 7 is slidably connected to the outer wall of the material guide frame 3, a fixed plate 8 is fixedly welded to the outer wall of the support frame 2, a slide plate 9 is fixedly welded to the side of the fixed plate 8 close to the support frame 2, two slide rods 10 are slidably connected inside the slide plate 9, a first hydraulic rod 11 is fixedly installed at the bottom of the slide plate 9, a stabilizing plate 12 is fixedly installed at the output end of the first hydraulic rod 11, a collar 13 is fixedly installed on the outer wall of the stabilizing plate 12, a rotating column 14 is rotatably connected inside the collar 13, a stabilizing rod 15 is fixedly installed on the side of the stabilizing plate 12 away from the support frame 2, and a top plate 16 is fixedly installed on the side of the stabilizing rod 15 away from the stabilizing plate 12 A second hydraulic rod 17 is fixedly installed on the side of the top plate 16 close to the stabilizing plate 12, a connecting plate 20 is fixedly installed on the output end of the second hydraulic rod 17, a first motor 18 is fixedly installed on the side of the connecting plate 20 away from the second hydraulic rod 17, a magnetic rod 19 is fixedly installed on the output end of the first motor 18, a first support plate 21 and a second support plate 27 are fixedly welded on the side of the stabilizing plate 12 away from the first motor 18, two second bolts 22 are arranged through the inside of the first support plate 21, the right outer wall of the first support plate 21 is movably connected to the outer wall of the limiting plate 23, a support column 24 is fixedly installed on the outer wall of the limiting plate 23, a third bolt 25 is connected to the inner thread of the support column 24, a ejector pin 26 is movably connected to the side of the support column 24 away from the limiting plate 23, a connecting column 28 is fixedly connected to the inside of the second support plate 27, a fourth bolt 29 is connected to the inner thread of the second support plate 27, and a baffle 30 is fixedly installed on the side of the connecting column 28 away from the first support plate 21; Specifically, when the end surface of the spherical terminal needs to be polished, the spherical terminal is placed inside the guide frame 3, and then the spherical terminal will first fit together with the baffle 30. At this time, the end of the spherical terminal is connected to the magnetic rod 19, and the magnetic rod 19 is adsorbed and connected to the spherical terminal, and the second hydraulic rod 17 is controlled. The second hydraulic rod 17 will drive the connecting plate 20 to move, and the connecting plate 20 can drive the first motor 18 and the magnetic rod 19 to move toward the spherical terminal, and then squeeze the spherical terminal to contact the ejector pin 26 to limit the outward movement of the spherical terminal. At this time, the first motor 18 is turned on, and the first motor 18 will drive the magnetic rod 19 to rotate, and the magnetic rod 19 will drive the rotating column 14 to rotate, so as to achieve the effect of driving the spherical terminal to rotate. The rotation of the spherical terminal can The spherical terminal is polished. After the polishing structure set on the right side has completed the polishing of the spherical terminal, the second hydraulic rod 17 is turned on. The second hydraulic rod 17 drives the first motor 18 and the magnetic rod 19 to move outward, and then the magnetic rod 19 is retracted into the rotating column 14. Then, the spherical terminal will separate from the magnetic rod 19. At this time, the first hydraulic rod 11 is controlled. The first hydraulic rod 11 will drive the stabilizing plate 12 to move up. The stabilizing plate 12 will drive the first support plate 21 and the second support plate 27 to move up, and then the baffle 30 will move up. After the spherical terminal loses support, the spherical terminal will fall into the blanking plate 4, and then the production process is completed, which solves the problem that the workpiece is generally clamped by a clamping claw, the concentricity cannot be guaranteed, and the end face will be vibrated, resulting in low processing accuracy. By adjusting the second bolt 22, the lateral position of the limit plate 23 can be adjusted, and the position of the ejector rod can be adjusted, which can more conveniently limit the movement of the spherical terminal. When the inclination angle of the baffle 30 needs to be adjusted, the fourth bolt 29 is twisted, and the fourth bolt 29 squeezes the baffle 30. According to the lever principle, the lower end position of the baffle 30 can be adjusted; In the embodiment: a partition 31 is fixedly mounted on the top outer wall of the bottom plate 1, two third hydraulic rods 32 are fixedly mounted on the outer wall of the partition 31, a guide plate 33 is fixedly mounted on the top outer wall of the bottom plate 1, a horizontal plate 34 is slidably connected inside the guide plate 33, a pad 35 is fixedly mounted on the top of the horizontal plate 34, a protective cover 36 is fixedly mounted on the outer wall of the pad 35, a second motor 37 is fixedly mounted on the outer wall of the horizontal plate 34, and a grinding disc 38 is fixedly connected to the output end of the second motor 37; Specifically, when the spherical terminal needs to be polished, the second motor 37 is turned on, the second motor 37 will drive the grinding disc 38 to rotate, and then the third hydraulic rod 32 is controlled to drive the cross plate 34 to move, and the cross plate 34 will drive the second motor 37 and the grinding disc 38 to move, so as to achieve the effect of grinding the spherical terminal. The cross plate 34 moves along the guide plate 33 to achieve the effect of stable movement, and the pad 35 is used to synchronously move the protective cover 36; In the embodiment: the grinding disc 38 is arranged on the inner side of the protective cover 36, the outer wall of the horizontal plate 34 is fixedly connected with the output ends of the two third hydraulic rods 32, and the output end of the second motor 37 is arranged through the inner side of the protective cover 36; Specifically, the grinding disc 38 is arranged inside the protective cover 36 to provide protection. The horizontal plate 34 is connected to the third hydraulic rod 32 to adjust the position of the grinding disc 38 and move the grinding disc 38 to the spherical terminal. The second motor 37 is arranged inside the protective cover 36 to drive the grinding disc 38. In the embodiment: the material guide frame 3 is arranged just above the blanking plate 4, and the inside of the L-shaped pressing plate 7 is connected through the outer walls of the two first bolts 6; Specifically, the material guide frame 3 is arranged directly above the material blanking plate 4, and the material blanking plate 4 can achieve the effect of guiding and transferring materials. The L-shaped pressing plate 7 is connected with the two first bolts 6, and the L-shaped pressing plate 7 can adjust the upper and lower positions, and can be adjusted according to the size of the spherical terminal, so as to prevent the spherical terminal from moving out of the material guide frame 3; In the embodiment: the top end of the stabilizing plate 12 is fixedly connected to the bottom ends of the two sliding rods 10, and the outer wall of the stabilizing rod 15 is slidably connected to the inside of the connecting plate 20; Specifically, the stabilizing plate 12 is fixedly connected to the sliding rod 10 to achieve the effect of stabilizing the movement of the stabilizing plate 12, and the stabilizing rod 15 is slidably connected to the connecting plate 20 to achieve the effect of stabilizing the movement of the connecting plate 20, and the effect of stabilizing the movement of the first motor 18; In the embodiment: the outer wall of the magnetic rod 19 is movably inserted into the inner side of the rotating column 14, the inner part of the ejector pin 26 is connected to the outer wall of the fourth bolt 29 through the inner part, and the left outer wall of the baffle 30 is movably connected to the outer wall of the fourth bolt 29; Specifically, the magnetic rod 19 is movably inserted with the rotating column 14. When the magnetic rod 19 extends out of the rotating column 14, it can be adsorbed and connected to the spherical terminal. When the magnetic rod 19 retracts into the rotating column 14, the magnetic rod 19 can be kept away from the spherical terminal. The ejector pin 26 is connected with the fourth bolt 29 through and through, so as to achieve the effect of tightening the ejector pin 26. The baffle plate 30 is movably connected with the fourth bolt 29, so as to achieve the effect of opening the baffle plate 30. In the embodiment: the ejector pin 26 is arranged corresponding to the collar 13, and the inner side of the baffle 30 is arranged in an arc shape; Specifically, the ejector pin 26 and the collar 13 are arranged correspondingly, which can achieve the effect of limiting the spherical terminal from moving outward, and the baffle 30 is arranged in an arc shape, which can fit the spherical terminal more closely and can better support the spherical terminal; In the embodiment: the rotating column 14 is made of plastic material, and the rotating column 14 and the outer wall of the magnetic rod 19 are arranged correspondingly; Specifically, the rotating column 14 is made of plastic material, which can prevent the rotating column 14 from being adsorbed with the magnetic rod 19. The magnetic rod 19 can pass through the rotating column 14 and be adsorbed and connected with the spherical terminal, which can play the effect of fixing the spherical terminal. In the embodiment: the first hydraulic rod 11, the second hydraulic rod 17, the third hydraulic rod 32, the first motor 18 and the second motor 37 are existing structures, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in the field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0020] Working principle: the spherical terminal is placed in the material guide frame 3, the end of the spherical terminal is connected to the magnetic rod 19, the second hydraulic rod 17 drives the connecting plate 20 to move, the first motor 18 drives the magnetic rod 19 to rotate, and drives the rotating column 14 to rotate, so as to achieve the effect of driving the spherical terminal to rotate. After the grinding structure set on the right side completes the grinding of the spherical terminal, the first hydraulic rod 11 drives the stabilizing plate 12 to move up, drives the first support plate 21 and the second support plate 27 to move up, so that the baffle 30 moves up. After the spherical terminal loses support, the spherical terminal will fall into the blanking plate 4. Compared with the related art, the magnetic end face grinding machine for convexity processing of the end face of a spherical roller provided by the present invention has the following beneficial effects: completing the production process, solving the problem that the workpiece is generally clamped by a clamping jaw, the concentricity cannot be guaranteed, and the end face causes vibration, resulting in low processing accuracy.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic end surface grinding machine for spherical roller end surface convexity processing, comprising a base plate (1), characterized in that: Two support frames (2) are fixedly welded to the top outer wall of the bottom plate (1), a material guide frame (3) and a material discharge plate (4) are fixedly installed on the inner sides of the two support frames (2), two annular frames (5) are fixedly welded to the outer wall of the material guide frame (3), the inner sides of the two annular frames (5) are both threadedly connected with first bolts (6), an L-shaped pressing plate (7) is slidably connected to the outer wall of the material guide frame (3), a fixing plate (8) is fixedly welded to the outer wall of the support frame (2), a sliding plate (9) is fixedly welded on the side of the fixing plate (8) close to the support frame (2), and the sliding plate (9) The slide plate (9) is internally slidably connected to two sliding rods (10); a first hydraulic rod (11) is fixedly mounted on the bottom of the slide plate (9); a stabilizing plate (12) is fixedly mounted on the output end of the first hydraulic rod (11); a collar (13) is fixedly mounted on the outer wall of the stabilizing plate (12); a rotating column (14) is rotatably connected to the inside of the collar (13); a stabilizing rod (15) is fixedly mounted on the side of the stabilizing plate (12) away from the support frame (2); a top plate (16) is fixedly mounted on the side of the stabilizing rod (15) away from the stabilizing plate (12); and the top plate (16) is close to the stabilizing plate (12). A second hydraulic rod (17) is fixedly mounted on one side of the plate (12); a connecting plate (20) is fixedly mounted on the output end of the second hydraulic rod (17); a first motor (18) is fixedly mounted on the side of the connecting plate (20) away from the second hydraulic rod (17); a magnetic attraction rod (19) is fixedly mounted on the output end of the first motor (18); a first support plate (21) and a second support plate (27) are fixedly welded to the side of the stabilizing plate (12) away from the first motor (18); two second bolts (22) are penetrated inside the first support plate (21); and the first support plate (27) is fixedly mounted on the output end of the first motor (18). The right outer wall of the second support plate (21) is movably connected to the outer wall of the limiting plate (23); a support column (24) is fixedly installed on the outer wall of the limiting plate (23); a third bolt (25) is connected to the inner thread of the support column (24); a push pin (26) is movably connected to the side of the support column (24) away from the limiting plate (23); a connecting column (28) is fixedly connected to the inside of the second support plate (27); a fourth bolt (29) is connected to the inner thread of the second support plate (27); and a baffle (30) is fixedly installed to the side of the connecting column (28) away from the first support plate (21).

2. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: A partition plate (31) is fixedly mounted on the top outer wall of the base plate (1), two third hydraulic rods (32) are fixedly mounted on the outer wall of the partition plate (31), a guide plate (33) is fixedly mounted on the top outer wall of the base plate (1), a transverse plate (34) is slidably connected inside the guide plate (33), a pad (35) is fixedly mounted on the top of the transverse plate (34), a protective cover (36) is fixedly mounted on the outer wall of the pad (35), a second motor (37) is fixedly mounted on the outer wall of the transverse plate (34), and a grinding disc (38) is fixedly connected to the output end of the second motor (37).

3. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 2, characterized in that: The grinding disc (38) is arranged on the inner side of the protective cover (36), the outer wall of the transverse plate (34) is fixedly connected to the output ends of the two third hydraulic rods (32), and the output end of the second motor (37) is arranged through the inner side of the protective cover (36).

4. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: The material guide frame (3) is arranged directly above the material removal plate (4), and the interior of the L-shaped pressing plate (7) is connected through the outer walls of the two first bolts (6).

5. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: The top end of the stabilizing plate (12) is fixedly connected to the bottom ends of the two sliding rods (10), and the outer wall of the stabilizing rod (15) is slidably connected to the inside of the connecting plate (20).

6. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: The outer wall of the magnetic rod (19) is movably inserted into the inner side of the rotating column (14), the interior of the ejector pin (26) is connected to the outer wall of the fourth bolt (29) through the inner side, and the left outer wall of the baffle (30) is movably connected to the outer wall of the fourth bolt (29).

7. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: The ejector pin (26) and the collar (13) are arranged correspondingly, and the inner side of the baffle (30) is arranged in an arc shape.

8. The magnetic end surface grinding machine for spherical roller end surface convexity processing according to claim 1, characterized in that: The rotating column (14) is made of plastic material, and the rotating column (14) and the outer wall of the magnetic attraction rod (19) are arranged correspondingly.

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