A winding and pinch roller upper and lower grinding device and working method thereof

Abstract

The present invention discloses an upper and lower grinding device for a winding and pinching roller, comprising: an upper grinding device, a lower grinding device, a group of mounting support frames, a metal roller and a control device, wherein the mounting support frames are arranged relatively to each other, the upper grinding device and the lower grinding device are arranged between the two mounting support frames, and the upper grinding device and the lower grinding device are arranged relatively to each other, a driving shaft is arranged between the mounting support frames, the metal roller is arranged on the driving shaft, and one end of the driving shaft is provided with a driving mechanism for driving the metal roller to rotate. The upper and lower grinding device for a winding and pinching roller described in the present invention simultaneously grinds the upper and lower surfaces of the metal roller through the upper grinding device and the lower grinding device, and is used in a fully automatic grinding mode, so that it realizes offline grinding, avoids grinding personnel from entering the equipment to perform processing operations, and avoids the occurrence of safety accidents.

Description

Technical Field

[0001] The invention belongs to the technical field of grinding processing equipment, and in particular relates to an upper and lower grinding device for a winding and pinching roller and a working method thereof. Background Art

[0002] With the rapid development of social economy, all walks of life have achieved rapid development. Traditional roller grinding is to grind the surface manually, which is difficult to do. Not only is the grinding efficiency slow, but there are often problems such as uneven grinding. In addition, manual grinding requires workers to put their hands inside to grind, which is a dangerous working process and prone to safety accidents.

[0003] Some existing enterprises use machine grinding, and the processing is more complicated. In the process of grinding, since most metal rollers are cylindrical and have smooth surfaces, there will be deviations or the grinding mechanism and the metal roller will not fit well during the grinding process. This will seriously affect the grinding effect, so the existing grinding equipment needs to be improved. Summary of the invention

[0004] Purpose of the invention: In order to overcome the above shortcomings, the purpose of the present invention is to provide an upper and lower grinding device for winding and pinching rollers, which has a simple structure, reasonable design, easy production, high degree of automation, reduces manual labor and improves work efficiency.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the present invention provides an upper and lower grinding device for winding and pinching rollers, comprising: an upper grinding device, a lower grinding device, a group of mounting support frames, a metal roller and a control device, wherein the mounting support frames are arranged relatively to each other, the upper grinding device and the lower grinding device are arranged between the two mounting support frames, and the upper grinding device and the lower grinding device are arranged relatively to each other, a driving shaft is arranged between the mounting support frames, the metal roller is arranged on the driving shaft, and a driving mechanism for driving the metal roller to rotate is arranged at one end of the driving shaft. The upper and lower grinding device for winding and pinching rollers described in the present invention simultaneously grinds the upper and lower surfaces of the metal roller through the upper grinding device and the lower grinding device, and is used in a fully automatic grinding mode, so that it realizes offline grinding, avoids grinding personnel from entering the equipment to perform processing operations, and avoids the occurrence of safety accidents.

[0006] Among them, the upper grinding device is provided with a group of mounting frame, cross beam, adjusting rod, adjusting drive mechanism and upper grinding mechanism, the cross beam is arranged on the mounting frame, the adjusting rod is arranged on one side of the cross beam and is connected to the cross beam through a sliding assembly, the adjusting drive mechanism is connected to the adjusting rod, and the upper grinding mechanism is arranged on the adjusting rod.

[0007] Among them, the lower grinding device is provided with a group of lower brackets, lower mounting seats, support frames, lower grinding mechanisms and a group of cylinders, the lower brackets are arranged relatively to each other, the lower mounting seats are arranged on the lower brackets, the support frames are arranged on the lower brackets, the lower grinding mechanisms are arranged on the support frames, the cylinders are slidably connected to the lower brackets through mounting bases, the lower grinding mechanisms are connected to the cylinders through lever brackets, and the lower part of the lever brackets is arranged on the connecting rods on the lower mounting seats.

[0008] In addition, the upper grinding mechanism is provided with a first grinding mounting seat and a group of upper grinding heads, the first grinding mounting seat is arranged on the adjusting rod, and the upper grinding head is arranged on the first grinding mounting seat.

[0009] In addition, a mounting plate is provided in the first grinding mounting seat, a group of mounting seats are provided on the mounting plate, an upper adaptive grinding seat is provided on the mounting seat, and the upper grinding head is installed on the upper adaptive grinding seat.

[0010] Furthermore, the adjustment drive mechanism is provided with a left and right adjustment drive mechanism and a downward pressure adjustment drive mechanism. The left and right adjustment drive mechanism is connected to the cross beam through the first cylinder seat, and the downward pressure adjustment drive mechanism is slidably connected to the cross beam through the sliding seat, and the output end of the downward pressure adjustment drive mechanism is connected to the adjustment rod through a drive ring.

[0011] Furthermore, the adjusting rod is provided with an upper adjusting rod and a lower adjusting rod, the upper adjusting rod and the lower adjusting rod are connected by a connecting column, a group of connecting plates are provided above the upper adjusting rod, the connecting plates are arranged in pairs, and a connecting shaft is provided between the connecting plates, and the connecting plate is coaxially connected to the driving ring at the output end of the downward pressure adjusting driving mechanism through the connecting shaft.

[0012] Preferably, the lower grinding mechanism is provided with a grinding mounting frame, a grinding mounting seat and a lower grinding block, the grinding mounting frame is provided on the support frame, the grinding mounting seat is provided on the grinding mounting frame, and the lower grinding block is connected to the grinding mounting seat via a lower adaptive grinding seat. More preferably, the lever bracket is provided with a lower lever bracket and an upper lever bracket, the lower lever bracket is provided below the upper lever bracket, one end of the upper lever bracket is provided with a group of relatively arranged connecting ears, and the other end is provided with a U-shaped groove, and the drive ring of the cylinder output end is provided between the two connecting ears and connected via a connecting shaft.

[0013] The present invention also includes a double-headed driving cylinder, which is connected to the lower mounting seat through a cylinder seat, and the two ends of the double-headed driving cylinder are connected to the connecting rod through a driving plate. The driving plate is rectangular, and a curved notch is provided on one side close to the connecting rod, and the curved notch is clamped on the connecting rod, and the curved notch matches the connecting rod.

[0014] It can be seen from the above technical solution that the present invention has the following beneficial effects:

[0015] 1. The upper and lower grinding equipment for the winding and pinching rollers described in the present invention grinds the upper and lower surfaces of the metal roller simultaneously through the upper grinding device and the lower grinding device, and uses a fully automatic grinding method to realize offline grinding, avoid grinding personnel entering the equipment to perform processing operations, and avoid the occurrence of safety accidents.

[0016] 2. The upper and lower grinding equipment for the winding and clamping rollers described in the present invention grinds the upper and lower surfaces of the metal roller simultaneously through the upper grinding device and the lower grinding device. Through the unique structural arrangement of the upper grinding device and the lower grinding device, the upper grinding device and the lower grinding device are pressed more closely to the metal roller through their corresponding downward pressure driving mechanisms, and the steel stuck on the roller surface can be polished off in time. The effect is much better than that of manual polishing, the roller surface polishing is cleaner, and its grinding efficiency is improved, so that it can better meet the needs of production.

[0017] 3. The upper and lower grinding equipment for the winding and pinching rollers described in the present invention does not need to stop the machine during grinding, which saves parking time, increases production, and reduces the workload of personnel.

[0018] 4. The upper and lower grinding equipment of the winding and pinching rollers in the present invention can realize full-automatic grinding of the metal rollers after steel passing through by connecting to the production line data, and monitor the grinding time and the cumulative number of grinding times. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the upper and lower grinding devices for the winding and pinching rollers of the present invention;

[0020] Figure 2 It is a structural schematic diagram of the upper grinding device in the present invention;

[0021] Figure 3 It is a side view of the upper grinding device of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the lower grinding device of the present invention;

[0023] Figure 5 It is a side view of the lower grinding device of the present invention. DETAILED DESCRIPTION

[0024] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. Example

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more, unless otherwise clearly specified.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0030] As shown in the figure, a winding and clamping roller upper and lower grinding equipment includes: an upper grinding device, a lower grinding device, a group of mounting support frames 3, a metal roller and a control device, the mounting support frames 3 are arranged relatively to each other, the upper grinding device and the lower grinding device are arranged between the two mounting support frames 3, and the upper grinding device and the lower grinding device are arranged relatively to each other, a driving shaft is provided between the mounting support frames 3, the metal roller is provided on the driving shaft, and a driving mechanism for driving the metal roller to rotate is provided at one end of the driving shaft.

[0031] A bearing seat is provided on the mounting support frame, and both ends of the driving shaft are arranged on the bearing seat. Both ends of the driving shaft are provided with driving wheels, and the driving wheels are connected to the driving wheel on the output shaft of the driving motor through a chain.

[0032] Furthermore, the upper grinding device is provided with a group of mounting frame 11, beam 12, adjusting rod 13, adjusting driving mechanism 14 and upper grinding mechanism 15, the beam 12 is arranged on the mounting frame 11, the adjusting rod 13 is arranged on one side of the beam 12 and is connected to the beam 12 through a sliding assembly 16, the adjusting driving mechanism 14 is connected to the adjusting rod 13, and the upper grinding mechanism 15 is arranged on the adjusting rod 13.

[0033] In the lower grinding device described in this embodiment, a group of lower brackets 21, lower mounting seats 22, support frames 23, lower grinding mechanisms 24 and a group of cylinders 25 are provided. The lower brackets 21 are arranged relatively to each other, the lower mounting seats 22 are arranged on the lower brackets 21, the support frames 23 are arranged on the lower brackets 21, the lower grinding mechanisms 24 are arranged on the support frames 23, the cylinders 25 are slidably connected to the lower brackets 21 through mounting bases 27, the lower grinding mechanisms 24 are connected to the cylinders 25 through lever brackets 26, and the lower part of the lever brackets 26 is arranged on the connecting rod on the lower mounting seats 22.

[0034] In this embodiment, the upper grinding mechanism 15 is provided with a first grinding mounting seat 151 and a group of upper grinding heads 152 . The first grinding mounting seat 151 is arranged on the adjusting rod 13 , and the upper grinding heads 152 are arranged on the first grinding mounting seat 151 .

[0035] In this embodiment, the first grinding mount 151 is provided with a mounting plate 1511, the mounting plate 1511 is provided with a group of mounting seats 1512, the mounting seats 1512 are provided with an upper adaptive grinding seat 1513, and the upper grinding head 152 is installed on the upper adaptive grinding seat 1513. The upper adaptive grinding seat 1513 is provided with a scraper at the rear of the upper grinding head 152.

[0036] In this embodiment, the adjustment drive mechanism 14 is provided with a left-right adjustment drive mechanism 141 and a downward pressure adjustment drive mechanism 142. The left-right adjustment drive mechanism 141 is connected to the cross beam 12 via a first cylinder seat, and the downward pressure adjustment drive mechanism 142 is slidably connected to the cross beam 12 via a sliding seat 143, and the output end of the downward pressure adjustment drive mechanism 142 is connected to the adjustment rod 13 via a drive ring.

[0037] In this embodiment, the adjusting rod 13 is provided with an upper adjusting rod 131 and a lower adjusting rod 132, and the upper adjusting rod 131 and the lower adjusting rod 132 are connected by a connecting column 133. A group of connecting plates are provided above the upper adjusting rod 131, and the connecting plates are arranged in pairs, and a connecting shaft is provided between the connecting plates. The connecting plate is coaxially connected to the driving ring at the output end of the downward pressure adjusting driving mechanism 142 through a connecting shaft.

[0038] In this embodiment, the lower grinding mechanism 24 is provided with a grinding mounting frame 241, a grinding mounting seat 242 and a lower grinding block 243. The grinding mounting frame 241 is provided on the support frame 23, the grinding mounting seat 242 is provided on the grinding mounting frame 241, and the lower grinding block 243 is connected to the grinding mounting seat 242 through a lower adaptive grinding seat 244. The grinding mounting frame 241 is provided with a rod 2411, and a mounting plate 2412 is provided on one side of the rod 2411. The lower adaptive grinding seat 244 is provided with a scraper at the rear of the lower grinding block 243.

[0039] In this embodiment, the lever bracket 26 is provided with a lower lever bracket 261 and an upper lever bracket 262. The lower lever bracket 261 is provided below the upper lever bracket 262. One end of the upper lever bracket 262 is provided with a group of connecting ears 2621 arranged opposite to each other, and the other end is provided with a U-shaped groove. The driving ring at the output end of the cylinder 25 is provided between the two connecting ears 2621 and connected by a connecting shaft. The mounting plate 2412 is inserted into the U-shaped groove at the end of the upper lever bracket 262.

[0040] The present embodiment further includes a double-headed driving cylinder 29, which is connected to the lower mounting seat 22 via a cylinder seat 291, and both ends of the double-headed driving cylinder 29 are connected to the connecting rod via a driving plate 292. The driving plate 292 is rectangular, and a curved notch is provided on one side of the driving plate 292 close to the connecting rod, and the curved notch is clamped on the connecting rod, and the curved notch matches the connecting rod.

[0041] The grinding mounting seat 242 is provided with a mounting plate 2421 , and a group of U-shaped mounting seats 2422 are provided on the mounting plate 2421 . The lower adaptive grinding seat 244 is disposed in the U-shaped mounting seat 2422 and is axially connected via a rotating shaft.

[0042] The lower grinding block 243 is a block-shaped grinding head, one side of which is provided with a connecting ear 2431, and the lower adaptive grinding seat 244 is inserted into the through hole of the connecting ear 2431. A group of lower chip grooves 2432 are provided on the side of the lower grinding block 243 away from the connecting ear 2431.

[0043] The sliding assembly 16 is provided with a sliding column 161 , one end of the sliding column 16 is slidably connected to the cross beam 12 , and the other end is provided with a bearing seat, and both ends of the upper adjustment rod 131 are arranged in the bearing seat.

[0044] The upper grinding head 152 is a block-shaped grinding head. A connecting ear 1521 is provided on one side of the upper grinding head 152 . The upper adaptive grinding seat 1513 is inserted into the through hole of the connecting ear 1521 .

[0045] A set of upper chip removal grooves 1522 is formed on one side of the upper grinding head 152 away from the connecting ear 1521 .

[0046] In this embodiment, a spray device is also provided, in which a water supply pipe is provided. The water supply pipe is arranged on a mounting frame above the upper grinding device. A group of nozzles is provided on the water supply pipe, and the water supply pipe is connected to a water tank.

[0047] The control device described in this embodiment is provided with an upper grinding control module, a lower grinding control module, a rotation drive module, a grinding control module and a control center, the upper grinding control module is connected to the upper grinding device, the lower grinding control module is connected to the lower grinding device, the rotation drive module is connected to the drive motor, the grinding control module is provided with a grinding time adjustment unit and a grinding data storage unit, and the upper grinding control module, the lower grinding control module, the rotation drive module and the grinding control module are all connected to the control center.

[0048] The control system in the control device described in this embodiment adopts Siemens S7-1500 series CPU, touch screen, digital input module, digital output module, Schneider intermediate relay, and has good system stability and high programmability.

[0049] The working method of the upper and lower grinding equipment of the winding pinch roller described in this embodiment is as follows: 1): firstly, the upper grinding device, the lower grinding device and the metal roller are installed to the designated position, and the equipment is debugged, and a trial operation is carried out after the debugging is normal;

[0050] 2): Then set the grinding time through the control computer according to the processing needs, and then start the grinding equipment;

[0051] 3): The upper grinding control module and the lower grinding control module are adjusted through the control center to make the upper grinding device and the lower grinding device fit on the metal roller, that is: the connection ear on the upper adjustment rod 131 is driven by the downward pressure adjustment driving mechanism 142, and the downward pressure force is transmitted to the upper adjustment rod 131 through the connection ear, and then the upper grinding head 152 is pressed by the upper adjustment rod 131, and the upper part of the metal roller is pressed by the upper grinding head 152; at the same time, the cylinder 25 drives the lever bracket 26, and the lower grinding block 243 is pressed by the lever bracket 26, so that the lower grinding block 243 presses the lower part of the metal roller;

[0052] 4): Then the control center sends instructions to the rotation drive module, and commands the drive motor to provide power to rotate the metal roller through the rotation drive module; that is, the drive motor drives the driving wheel to rotate, and the driving wheel drives the driving wheel at one end of the driving shaft to rotate through the chain. Driven by the driving wheel, the driving shaft drives the metal roller to rotate together;

[0053] 5): During the rotation of the metal roller, the upper grinding device and the lower grinding device continuously grind the surface of the metal roller;

[0054] 6): Impurities generated during the grinding process of the upper grinding device and the lower grinding device are discharged in time through the chip removal groove;

[0055] 7): When the upper grinding device and the lower grinding device are polished, the spray device continuously supplies water to clean the surface;

[0056] 8): The scraper at the rear of the upper grinding head 152 and the scraper at the rear of the lower grinding block 243 collect the water on the surface of the metal roller and the impurities generated during the grinding process in one direction and then process them centrally.

[0057] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. A winding pinch roller upper and lower grinding device, characterized in that: include: An upper grinding device, a lower grinding device, a group of mounting support frames, a metal roller and a control device, wherein the mounting support frames are arranged relative to each other, the upper grinding device and the lower grinding device are arranged between the two mounting support frames, and the upper grinding device and the lower grinding device are arranged relative to each other, a driving shaft is arranged between the mounting support frames, the metal roller is arranged on the driving shaft, and a driving mechanism for driving the metal roller to rotate is arranged at one end of the driving shaft; the upper grinding device is provided with a group of mounting frames (11), a crossbeam (12), an adjusting rod (13), an adjusting driving mechanism (14) and an upper grinding mechanism (15), the crossbeam (12) is arranged on the mounting frame (11), the adjusting rod (13) is arranged on one side of the crossbeam (12) and is connected to the crossbeam (12) through a sliding assembly (16); the adjustment drive mechanism (14) is connected to the adjustment rod (13); and the upper grinding mechanism (15) is arranged on the adjustment rod (13); the lower grinding device is provided with a group of lower brackets (21), a lower mounting seat (22), a support frame (23), a lower grinding mechanism (24) and a group of cylinders (25); the lower brackets (21) are arranged relatively, the lower mounting seat (22) is arranged on the lower bracket (21), the support frame (23) is arranged on the lower bracket (21), the lower grinding mechanism (24) is arranged on the support frame (23), and the cylinders The lower grinding mechanism (24) is connected to the cylinder (25) through a mounting base (27), and the lower grinding mechanism (24) is connected to the cylinder (25) through a lever bracket (26), and the lower part of the lever bracket (26) is arranged on a connecting rod on the lower mounting seat (22); the upper grinding mechanism (15) is provided with a first grinding mounting seat (151) and a group of upper grinding heads (152), the first grinding mounting seat (151) is arranged on the adjusting rod (13), and the upper grinding head (152) is arranged on the first grinding mounting seat (151); the first grinding mounting seat (151) is provided with a mounting plate (1511), and the mounting plate (1511) is provided with A group of mounting seats (1512) is provided on the mounting seats (1512), and an upper adaptive grinding seat (1513) is provided on the upper adaptive grinding seat (1513); the upper grinding head (152) is installed on the upper adaptive grinding seat (1513); the adjusting drive mechanism (14) is provided with a left-right adjusting drive mechanism (141) and a downward pressure adjusting drive mechanism (142); the left-right adjusting drive mechanism (141) is connected to the crossbeam (12) through a first cylinder seat, and the downward pressure adjusting drive mechanism (142) is connected to the crossbeam (12) in a sliding manner through a sliding seat (143), and the output end of the downward pressure adjusting drive mechanism (142) is connected to the adjusting rod (13) through a driving ring;The adjusting rod (13) is provided with an upper adjusting rod (131) and a lower adjusting rod (132), the upper adjusting rod (131) and the lower adjusting rod (132) are connected via a connecting column (133), a group of connecting plates are provided above the upper adjusting rod (131), the connecting plates are arranged in pairs, and a connecting shaft is provided between the connecting plates, and the connecting plates are coaxially connected to a driving ring at the output end of the downward pressure adjusting driving mechanism (142) via the connecting shaft; the lower grinding mechanism (24) is provided with a grinding mounting frame (241), a grinding mounting seat (242) and a lower grinding block (243), the grinding mounting frame (241) is arranged on a supporting frame (23), the grinding mounting seat (242) is arranged on the grinding mounting frame (241), and the lower grinding block (243) is connected to the grinding mounting seat (242) through the lower adaptive grinding seat (244); the lever bracket (26) is provided with a lower lever bracket (261) and an upper lever bracket (262), the lower lever bracket (261) is arranged below the upper lever bracket (262), one end of the upper lever bracket (262) is provided with a group of connecting ears (2621) arranged opposite to each other, and the other end is provided with a U-shaped groove, and the driving ring of the output end of the cylinder (25) is arranged between the two connecting ears (2621) and connected through a connecting shaft; It also includes a double-headed driving cylinder (29), wherein the double-headed driving cylinder (29) is connected to the lower mounting seat (22) via a cylinder seat (291), and both ends of the double-headed driving cylinder (29) are connected to a connecting rod via a driving plate (292); The working method of the upper and lower grinding equipment of the winding pinch roller is as follows: 1): First install the upper grinding device, lower grinding device and metal roller to the designated position, and debug the equipment. After debugging is normal, conduct a trial operation; 2): Then set the grinding time through the control computer according to the processing needs, and then start the grinding equipment; 3): The upper grinding control module and the lower grinding control module are adjusted by the control center to make the upper grinding device and the lower grinding device fit onto the metal roller, that is: the connection ear on the upper adjustment rod (131) is driven by the downward pressure adjustment driving mechanism (142), and the downward pressure force is transmitted to the upper adjustment rod (131) through the connection ear, and then the upper grinding head (152) is pressed by the upper adjustment rod (131), and the upper part of the metal roller is pressed by the upper grinding head (152); at the same time, the cylinder (25) drives the lever bracket (26), and the lever bracket (26) presses the lower grinding block (243), so that the lower grinding block (243) presses the lower part of the metal roller; 4): Then the control center sends instructions to the rotation drive module, and commands the drive motor to provide power to rotate the metal roller through the rotation drive module; that is, the drive motor drives the driving wheel to rotate, and the driving wheel drives the driving wheel at one end of the driving shaft to rotate through the chain. Driven by the driving wheel, the driving shaft drives the metal roller to rotate together; 5): During the rotation of the metal roller, the upper grinding device and the lower grinding device continuously grind the surface of the metal roller; 6): Impurities generated during the grinding process of the upper grinding device and the lower grinding device are discharged in time through the chip removal groove; 7): When the upper grinding device and the lower grinding device are polished, the spray device continuously supplies water to clean the surface; 8): A scraper is provided at the rear of the upper grinding head (152) and a scraper at the rear of the lower grinding block (243) to collect water on the surface of the metal roller and impurities generated during the grinding process in one direction, and then centrally process them.

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