Grinding and polishing device for fine machining of outer surface of steel roller

Abstract

The invention discloses a grinding and polishing device for fine machining of the outer surface of a steel roller in the technical field of steel roller surface machining, and the grinding and polishing device comprises a machine body, a rotating shaft arranged on the machine body and a plurality of conveying rollers, and the rotating shaft and the conveying rollers are used for keeping rotation while conveying the steel roller; the grinding abrasive belt is located over the machine body and is obliquely arranged relative to a steel roller to be polished. The steel roller is in contact with the inclined grinding abrasive belt, so that the grinding abrasive belt is changed into a state of covering the steel roller from inclination, and the pressure counteracted on the steel roller along with twisting of the grinding abrasive belt is gradually increased, so that the pressure borne by the steel roller in the process of being in contact with the grinding abrasive belt is gradually increased, gradual grinding from coarse to fine is realized, and the grinding efficiency is improved. And then one-time fine grinding and polishing of the outer surface of the steel roller are completed.

Description

Technical Field

[0001] The invention relates to the technical field of steel roller surface processing, in particular to a grinding and polishing device used for fine processing of the outer surface of a steel roller. Background Art

[0002] After the steel roller is formed, its surface needs to be finely processed, that is, polished to improve its surface quality before it can be put into normal use;

[0003] During the grinding process, the steel roller is transported horizontally and rotatingly by the rotating shaft and the conveying roller. During the conveying process, the surface of the steel roller is processed through the contact with the grinding wheel or the grinding belt. Before the steel roller is ground, its surface roughness is relatively large, resulting in uneven contact between the steel roller and the grinding wheel or the grinding belt, thereby reducing the grinding efficiency of the steel roller. Summary of the invention

[0004] The object of the present invention is to provide a grinding and polishing device for fine processing of the outer surface of a steel roller to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a grinding and polishing device for fine processing of the outer surface of a steel roller, comprising a machine body, a rotating shaft arranged on the machine body and a plurality of conveying rollers, wherein the rotating shaft and the conveying rollers are used to keep the steel roller rotating while conveying it, and also includes: a grinding belt, wherein the grinding belt is located directly above the machine body and is inclined relative to the steel roller to be polished, and when the steel roller is conveyed to contact with the inclined grinding belt, the contact between the steel roller and the grinding belt causes the grinding belt to be deformed to achieve progressive grinding; supporting rollers, which are arranged in pairs with respect to the machine body and are transmission-connected to the grinding belt, and the two supporting rollers are used to drive the grinding belt to rotate.

[0006] As a further solution of the present invention, the grinding belt is divided into a coarse contact surface and a fine contact surface.

[0007] As a further solution of the present invention, a support group is provided below each of the rollers;

[0008] The support group includes a vertical rod, a motor is fixedly connected to the vertical rod, the motor is fixedly connected to the roller, a support frame is arranged below the vertical rod, the support frame is arranged on one side of the machine body, two round rods are slidably connected to the support frame, the two round rods are respectively located at the front and rear sides of the grinding belt, the round rods are slidably connected to the support frame, and a first spring is fixedly connected between the round rod and the support frame.

[0009] As a further solution of the present invention, a cylinder is fixedly connected to the support frame, a driving rod is fixedly connected to the top of the cylinder, a sliding rod is arranged under the driving rod, the sliding rod is slidably connected to the vertical rod, a second spring is fixedly connected between the vertical rod and the driving rod, an inclined surface is provided at the end of the driving rod, an integral adjusting ring is provided on the driving rod, the adjusting ring is sleeved on the roller, a sliding groove is provided on the vertical rod, a support rod is rotatably connected to the top of the driving rod, the top of the support rod is located inside the sliding groove, the vertical rod is slidably connected to the support frame, and a third spring is fixedly connected between the vertical rod and the inner wall of the support frame.

[0010] As a further solution of the present invention, the vertical rod is rotatably connected to a push rod, the push rod is rotatably connected to a first pressure roller, a limiting groove is provided on the support frame, the push rod is slidably connected to the limiting groove, the first pressure roller is rotatably connected to the push rod, a second pressure roller is arranged below the first pressure roller, and the second pressure roller is rotatably connected to the support frame.

[0011] As a further solution of the present invention, the support frame is rotatably connected to the machine body, and a driving assembly is provided on one side of the support frame, and the driving assembly is used to control the rotation angle of the support frame.

[0012] As a further solution of the present invention, the driving assembly includes a driving motor, the driving motor is fixedly connected to the machine body, and the rotating shaft of the driving motor is fixedly connected to the supporting frame.

[0013] As a further solution of the present invention, the driving assembly includes a hydraulic rod, the hydraulic rod is fixedly connected to the machine body, and the top end of the hydraulic rod is located below the support frame.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the present invention, the contact between the steel roller and the inclined grinding belt causes the grinding belt to change from an inclined state to a state covering the steel roller. As the grinding belt twists, the pressure acting on the steel roller gradually increases, thereby causing the pressure on the steel roller to gradually increase during the contact between the grinding belt and the steel roller, thereby achieving progressive grinding from coarse to fine, thereby completing a fine grinding and polishing of the outer surface of the steel roller. The progressive grinding from coarse to fine with the gradual increase in positive pressure can reduce excessive wear caused by the direct contact between the grinding belt and the steel roller, thereby increasing the service life of the grinding belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 For the present invention Figure 2 A partial enlarged view of the middle A;

[0018] Figure 3 Schematic diagram of the steel roller of the present invention before and after contact with the grinding belt;

[0019] Figure 4 It is a force diagram when the grinding belt of the present invention contacts with the steel roller;

[0020] Figure 5 It is a schematic diagram of the grinding belt of the present invention after contacting with the grinding belt arranged obliquely;

[0021] Figure 6 Schematic diagram of the coarse contact surface and the fine contact surface of the grinding belt of the present invention;

[0022] Figure 7 It is a schematic diagram of the positional relationship between the support frame, the vertical rod and the roller of the present invention;

[0023] Figure 8 It is a schematic diagram of the positional relationship between the third spring and the second spring of the present invention;

[0024] Fig. 9 It is a schematic diagram of the slide bar of the present invention after crossing the inclined surface;

[0025] Fig.10 It is a schematic diagram of the sliding relationship between the vertical rod and the slide groove of the present invention;

[0026] Fig.11 It is a schematic diagram of the positional relationship between the first pressing roller, the second pressing roller and the first spring of the present invention;

[0027] Fig.12 It is a schematic diagram of the positional relationship between the hydraulic rod and the support frame of the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1. Machine body; 2. Rotating shaft; 3. Conveying roller; 4. Grinding belt; 5. Support roller; 6. Rough contact surface; 7. Fine contact surface; 8. Vertical rod; 9. Motor; 10. Round rod; 11. First spring; 12. Support frame; 13. Cylinder; 14. Driving rod; 15. Sliding rod; 16. Second spring; 17. Adjusting ring; 18. Slide groove; 19. Support rod; 20. Third spring; 21. Push rod; 22. First pressure roller; 23. Limiting groove; 24. Driving motor; 25. Hydraulic rod; 26. Second pressure roller; 27. Steel roller to be processed; 28. Inclined surface. DETAILED DESCRIPTION

[0030] See also Figure 1-Figure 12The present invention provides a technical solution: a grinding and polishing device for fine processing of the outer surface of a steel roller, comprising a machine body 1, a rotating shaft 2 arranged on the machine body 1 and a plurality of conveying rollers 3, the rotating shaft 2 and the conveying rollers 3 are used to keep the steel roller rotating while conveying, and also includes: a grinding belt 4, the grinding belt 4 is located directly above the machine body 1 and is inclined relative to the steel roller to be polished, when the steel roller is conveyed to contact with the inclined grinding belt 4, the grinding belt 4 is deformed through the contact between the steel roller and the grinding belt 4 to achieve progressive grinding; rollers 5, which are arranged in pairs with respect to the machine body 1 and are transmission-connected to the grinding belt 4, and the two rollers 5 are used to drive the grinding belt 4 to rotate.

[0031] like Figure 1 , Figure 3-Figure 5 As shown:

[0032] The steel roller 27 to be processed (hereinafter referred to as the steel roller) is placed at the rear position on the machine body 1, and the supporting roller 5 provides support and drive for the grinding belt 4. The steel roller is kept rotating and conveyed forward by the rotation of the rotating shaft 2 and the conveying roller 3. The grinding belt 4 is in an inclined state before it is not in contact with the steel roller. Figure 3 As shown in Figure a1, as the steel roller moves forward, the steel roller will contact the grinding belt 4 and the contact portion of the grinding belt 4 with the steel roller will deform as the steel roller moves. When the front end of the steel roller passes over the rear end of the grinding belt 4, the grinding belt 4 will fit on the steel roller, as shown in Figure a1. Figure 3 As shown in a2, the surface of the steel roller can be ground and polished as the steel roller rotates and is conveyed;

[0033] The prior art realizes grinding by the contact between the grinding belt 4 and the steel roller during the movement of the steel roller. In this way, the grinding belt 4 is subjected to uniform force on the grinding surface after contacting the steel roller, that is, the entire surface of the steel roller is subjected to equal force during the movement of the steel roller. Before grinding, the surface roughness of the steel roller is large. When the force is equal, it is easy to cause the fine polishing to fail in one grinding and require a second polishing.

[0034] Because the grinding belt 4 is tilted before the steel roller and the grinding belt 4 are not in contact, and after the grinding belt 4 contacts the steel roller, the grinding belt 4 is in contact with the steel roller under its own deformation. Then, as the grinding belt 4 gradually deforms from the area a to the area b, the positive pressure of the grinding belt 4 on the steel roller will gradually increase. Figure 5As shown in a5 and a6 in the figure, this will cause the pressure applied to the steel roller by the surface of the area from a to b of the grinding belt 4 to gradually increase as the steel roller moves and contacts the grinding belt 4, so that the grinding of the steel roller becomes progressive grinding, and then the grinding and polishing effect of the area covered by the grinding belt 4 is higher. When the grinding pressure is small, that is, when the steel roller is close to point a, a rough grinding can be provided for the steel roller. When the steel roller gradually approaches point b, a gradually increasing grinding pressure can be provided, thereby achieving coarse and fine grinding at one time during the grinding and polishing process of the steel roller;

[0035] In the present invention, the contact between the steel roller and the inclined grinding belt 4 causes the grinding belt 4 to change from an inclined state to a state covering the steel roller. As the grinding belt 4 twists, the pressure acting on the steel roller gradually increases, thereby causing the pressure on the steel roller to gradually increase during the contact between the grinding belt 4, thereby achieving progressive grinding from coarse to fine, and completing a fine grinding and polishing of the outer surface of the steel roller.

[0036] The grinding belt 4 is divided into a coarse contact surface 6 and a fine contact surface 7 .

[0037] like Figure 4-6 As shown:

[0038] When the grinding belt 4 is divided into two parts, front and rear, when the contact point between the steel roller and the grinding belt 4 is close to point a, the positive pressure is small, and the rough contact surface 6 will first contact the steel roller to achieve rough grinding. When the contact surface is close to point b, the positive pressure gradually increases to achieve fine grinding.

[0039] By gradually increasing the positive pressure and performing progressive grinding from coarse to fine, excessive wear caused by direct contact between the grinding belt 4 and the steel roller can be reduced, thereby increasing the service life of the grinding belt 4.

[0040] A support group is provided below each roller 5;

[0041] The support group includes a vertical rod 8, to which a motor 9 is fixedly connected, and the motor 9 is fixedly connected to the roller 5. A support frame 12 is arranged below the vertical rod 8, and the support frame 12 is arranged on one side of the machine body 1. Two round rods 10 are slidably connected to the support frame 12, and the two round rods 10 are respectively located on the front and rear sides of the grinding belt 4. The round rods 10 are slidably connected to the support frame 12, and a first spring 11 is fixedly connected between the round rod 10 and the support frame 12.

[0042] like Figure 1 , Figure 7 and Fig.11 As shown:

[0043] The vertical rod 8 is supported by the support frame 12, and the rotation of the motor 9 drives the roller 5 to rotate, thereby transmitting the grinding belt 4. The grinding belt 4 will be deformed after the steel roller contacts the grinding belt 4, and the deformation will affect the trajectory of the grinding belt 4 on the roller 5. As the grinding belt 4 is long, it can be adjusted under the action of the two rollers 5 and the toughness of the grinding belt 4 itself. However, the cooperation of the two round rods 10 and the first spring 11 can limit the front and rear sides of the grinding belt 4. When the grinding belt 4 is displaced, the first spring 11 can be used to adjust the grinding belt 4, thereby avoiding the deviation and jumping of the grinding belt 4.

[0044] A cylinder 13 is fixedly connected to the support frame 12, and a driving rod 14 is fixedly connected to the top of the cylinder 13. A sliding rod 15 is arranged below the driving rod 14, and the sliding rod 15 is slidably connected to the vertical rod 8. A second spring 16 is fixedly connected between the vertical rod 8 and the driving rod 14. An inclined surface 28 is provided at the end of the driving rod 14, and an integral adjusting ring 17 is provided on the driving rod 14. The adjusting ring 17 is sleeved on the roller 5. A sliding groove 18 is provided on the vertical rod 8. A support rod 19 is rotatably connected to the top of the driving rod 14, and the top of the support rod 19 is located inside the sliding groove 18. The vertical rod 8 is slidably connected to the support frame 12, and a third spring 20 is fixedly connected between the vertical rod 8 and the inner wall of the support frame 12.

[0045] like Figure 1 , Figure 7-Figure 11 As shown:

[0046] At the end of the steel roller grinding or during the grinding process, the grinding belt 4 can be calibrated by the intermittent extension and contraction of the cylinder 13;

[0047] If the grinding belt 4 deviates, the cylinder 13 extends to drive the driving rod 14 to rise. Before the driving rod 14 rises, it contacts the front of the inclined surface 28 on the slide bar 15. In this state, the adjusting ring 17 is located on the side of the roller 5 away from the grinding belt 4. When the driving rod 14 rises, the second spring 16 pulls the slide bar 15 to slide backward along the vertical rod 8. At this time, the adjusting ring 17 will contact the grinding belt 4, but at this time, the grinding belt 4 is stretched to both sides by the two rollers 5. Therefore, the elasticity of the second spring 16 is not enough to make the adjusting ring 17 push the grinding belt 4 to move backward along the two rollers 5.

[0048] When the driving rod 14 rises, the supporting rod 19 will be driven to rise together. When the driving rod 14 rises to cross the inclined surface 28 of the sliding rod 15, the supporting rod 19 will continue to rise along the inside of the sliding groove 18. When the supporting rod 19 moves to the top of the sliding groove 18, the cylinder 13 continues to extend, and the supporting rod 19 is tilted. At this time, the supporting rod 19 will rotate and push the vertical rod 8 to slide along the supporting frame 12 and compress the third spring 20. At this time, the two rollers 5 will be close, and the grinding belt 4 will have a certain relaxation. If the grinding belt 4 deviates on the two rollers 5 at this time, the rear end of the grinding belt 4 is pushed to the end of the roller 5 by the adjusting ring 17, and then the grinding belt 4 is calibrated;

[0049] Then the cylinder 13 is shortened, driving the driving rod 14 and the support rod 19 to descend. At this time, the vertical rod 8 and the roller 5 gradually move away from each other and support the grinding belt 4 on both sides. When the top of the support rod 19 is no longer in contact with the inner top wall of the slide 18, the two vertical rods 8 are reset. At this time, the grinding belt 4 will be tilted here (if the cylinder 13 is extended during the steel roller grinding process, the grinding belt 4 will be temporarily relaxed when the two rollers 5 are close, and then directly contact the steel roller after the roller 5 is reset, thereby not affecting the grinding work), and then the support rod 19 slides down inside the slide 18, and then the driving rod 14 drops to contact with the inclined surface 28, and then pushes the slide rod 15 to slide forward through the inclined surface 28, so that the adjusting ring 17 can stop contacting the grinding belt 4.

[0050] The vertical rod 8 is rotatably connected to a push rod 21, and the push rod 21 is rotatably connected to a first pressure roller 22. A limiting groove 23 is provided on the support frame 12, and the push rod 21 is slidably connected to the limiting groove 23. The first pressure roller 22 is rotatably connected to the push rod 21. A second pressure roller 26 is arranged below the first pressure roller 22, and the second pressure roller 26 is rotatably connected to the support frame 12.

[0051] like Figure 1 , Figure 7 , Figure 8 and Fig.11 As shown:

[0052] When the vertical rod 8 slides along the support frame 12, the first pressing roller 22 is pushed up inside the limiting groove 23 through the push rod 21, and at this time, the first pressing roller 22 and the second pressing roller 26 stop clamping the grinding belt 4;

[0053] During normal grinding work, the downward pressure of the grinding belt 4 by the first pressing roller 22 and the second pressing roller 26 can limit the movement trajectory of the grinding belt 4 to a certain extent, thereby reducing the possibility of deviation.

[0054] The support frame 12 is rotatably connected to the body 1 , and a driving component is disposed on one side of the support frame 12 , and the driving component is used to control the rotation angle of the support frame 12 .

[0055] like Figure 2 As shown:

[0056] When the support frame 12 and the machine body 1 rotate, the initial inclination angle of the grinding belt 4 can be adjusted by adjusting the angle of the support frame 12, and then the pressure when the steel roller and the grinding belt 4 are in contact can be adjusted.

[0057] Embodiment 1:

[0058] The driving assembly includes a driving motor 24 . The driving motor 24 is fixedly connected to the machine body 1 . The rotating shaft of the driving motor 24 is fixedly connected to the supporting frame 12 .

[0059] like Figure 2 As shown:

[0060] The driving motor 24 drives the support frame 12 to rotate on the machine body 1 to adjust the initial tilt angle of the grinding belt 4.

[0061] Embodiment 2:

[0062] The driving assembly includes a hydraulic rod 25 , which is fixedly connected to the machine body 1 , and the top end of the hydraulic rod 25 is located below the support frame 12 .

[0063] like Fig.12 As shown:

[0064] The support frame 12 is rotated by extending and retracting the hydraulic rod 25 to achieve the purpose of angle adjustment.

Claims

1. A grinding and polishing device for fine processing of the outer surface of a steel roller, comprising a body (1), a rotating shaft (2) arranged on the body (1) and a plurality of conveying rollers (3), wherein the rotating shaft (2) and the conveying rollers (3) are used to keep the steel roller rotating while conveying it, and characterized in that: Also includes: A grinding belt (4), wherein the grinding belt (4) is located directly above the machine body (1) and is tilted relative to the steel roller to be polished, and when the steel roller is transported to contact the tilted grinding belt (4), the grinding belt (4) is deformed by the contact between the steel roller and the grinding belt (4) to achieve progressive grinding; The rollers (5) are arranged in pairs with respect to the machine body (1) and are transmission-connected to the grinding belt (4). The two rollers (5) are used to drive the grinding belt (4) to rotate.

2. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 1, characterized in that: The grinding belt (4) is divided into a coarse contact surface (6) and a fine contact surface (7).

3. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 1, characterized in that: A support group is provided below each of the rollers (5); The support group comprises a vertical rod (8), a motor (9) is fixedly connected to the vertical rod (8), the motor (9) is fixedly connected to the roller (5), a support frame (12) is arranged below the vertical rod (8), the support frame (12) is arranged on one side of the machine body (1), two round rods (10) are slidably connected to the support frame (12), the two round rods (10) are respectively located on the front and rear sides of the grinding belt (4), the round rods (10) are slidably connected to the support frame (12), and a first spring (11) is fixedly connected between the round rod (10) and the support frame (12).

4. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 3, characterized in that: A cylinder (13) is fixedly connected to the support frame (12), a driving rod (14) is fixedly connected to the top of the cylinder (13), a sliding rod (15) is arranged below the driving rod (14), the sliding rod (15) is slidably connected to the vertical rod (8), a second spring (16) is fixedly connected between the vertical rod (8) and the driving rod (14), an inclined surface (28) is provided at the end of the driving rod (14), an integral adjusting ring (17) is arranged on the driving rod (14), the adjusting ring (17) is sleeved on the roller (5), a sliding groove (18) is provided on the vertical rod (8), a support rod (19) is rotatably connected to the top of the driving rod (14), the top of the support rod (19) is located inside the sliding groove (18), the vertical rod (8) is slidably connected to the support frame (12), and a third spring (20) is fixedly connected between the vertical rod (8) and the inner wall of the support frame (12).

5. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 4, characterized in that: The vertical rod (8) is rotatably connected to a push rod (21), and the push rod (21) is rotatably connected to a first pressure roller (22). A limiting groove (23) is provided on the support frame (12), and the push rod (21) is slidably connected to the limiting groove (23). The first pressure roller (22) is rotatably connected to the push rod (21). A second pressure roller (26) is provided below the first pressure roller (22), and the second pressure roller (26) is rotatably connected to the support frame (12).

6. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 2, characterized in that: The support frame (12) is rotatably connected to the machine body (1), and a driving component is provided on one side of the support frame (12), wherein the driving component is used to control the rotation angle of the support frame (12).

7. A grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 6, characterized in that: The driving assembly comprises a driving motor (24), the driving motor (24) is fixedly connected to the machine body (1), and the rotating shaft of the driving motor (24) is fixedly connected to the supporting frame (12).

8. The grinding and polishing device for fine processing of the outer surface of a steel roller according to claim 6, characterized in that: The driving assembly comprises a hydraulic rod (25), the hydraulic rod (25) is fixedly connected to the machine body (1), and the top end of the hydraulic rod (25) is located below the support frame (12).

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