Roller body cleaning device and rolling equipment with roller body cleaning function

Abstract

The utility model discloses a roller body cleaning device and rolling equipment with a roller body cleaning function, the roller body cleaning device is arranged in the rolling equipment, the roller body cleaning device comprises a cleaning assembly and a supporting assembly, the cleaning assembly comprises a rotating rod, the rotating rod is provided with a cleaning unit, the supporting assembly is provided with a guide rail, and the rotating rod is in sliding connection with the guide rail; the rotating rod is rotationally arranged relative to the guide rail and is provided with a convex block which protrudes in the direction perpendicular to the rotating shaft; the elastic unit is connected with the rotating rod and always provides a movement trend of sliding towards a first direction close to the roller body along the guide rail for the rotating rod; the cleaning unit abuts against the roller body under driving of the elastic unit, and cleaning of the surface of the roller body is achieved. When the cleaning unit needs to be replaced, the rotating rod is rotated to enable the protruding block to abut against the surface of the roller body, at the moment, a gap exists between the cleaning unit and the roller body, and the cleaning unit can be conveniently replaced without stopping the rolling equipment.

Description

Technical Field

[0001] This invention belongs to the technical field of roller pressing equipment, specifically, it relates to a roller cleaning device and a roller pressing equipment with roller cleaning function. Background Technology

[0002] Existing roller pressing equipment includes scrapers for cleaning the roller surface. However, when the active material powder particles adhering to the roller surface are small, the scrapers cannot achieve sufficient cleaning. Therefore, in order to ensure the smooth operation of roller pressing, operators must constantly wipe the roller surface to keep it clean, which significantly reduces the user experience. Existing technologies also include cleaning rollers that work with the roller body to clean the roller surface. However, cleaning rollers are not easy to disassemble and replace, and the cleaning effect may decrease as the roller pressing time increases.

[0003] In view of this, the present invention is proposed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to solve one of the problems in the prior art, and to provide a roller cleaning device, including a cleaning component that always has a tendency to move toward the roller, and a cleaning unit clamped and fixed between the cleaning component and the roller, or detachably disposed on the cleaning component. When the cleaning unit needs to be replaced, the movement tendency of the cleaning component is overcome so that a gap is generated between the cleaning component and the roller, thereby facilitating the replacement of the cleaning unit.

[0005] The present invention also provides a roller pressing device with a roller cleaning function.

[0006] To achieve the above objectives, the first aspect of the present invention provides a roller cleaning device, including a cleaning component and a support component. The cleaning component includes a rotating rod and a cleaning unit, the cleaning unit being detachably connected to the rotating rod. The support component includes a guide rail, the rotating rod being slidably connected to the guide rail and rotatably disposed relative to the guide rail, and the angle between the rotating rod and the guide rail remaining unchanged during rotation. The rotating rod always has a tendency to slide along the guide rail in a first direction, and its surface has protrusions protruding in a direction perpendicular to the rotation axis.

[0007] Furthermore, the support assembly also includes a support arm, with a guide rail disposed on the support arm along its length and near one end of the support arm, and a fixing structure for fixing the roller cleaning device disposed at the other end of the support arm.

[0008] By setting the fixed structure and guide rail at both ends of the support arm respectively, interference between the fixed structure and the roller body or other structures in the rolling equipment is avoided.

[0009] Furthermore, the fixing structure is a hinge hole formed through the support arm, and the axis of the hinge hole on the two support arms coincides with each other;

[0010] The support assembly also includes a connecting arm, the two ends of which are detachably connected to the two support arms respectively.

[0011] Alternatively, in parallel with the above schemes, the fixed structure is a fixed base, and the two support arms are fixedly connected through the fixed base.

[0012] Furthermore, it also includes an elastic element, which is always in a stretched / compressed state, and provides the rotating rod with a tendency to slide in the first direction through the rebound force.

[0013] Furthermore, the surface of the protrusion is smooth overall and smoothly transitions to the surface of the rotating rod. The roller cleaning device also includes a limiting member for limiting the elastic unit. One end of the limiting member is connected to the fixed seat, and the elastic unit abuts against the surface of the rotating rod under the limiting of the limiting member.

[0014] A second aspect of the present invention provides a roller pressing device with a roller cleaning function, including a roller body and a roller cleaning device as described in the above solution, wherein an extension line in a first direction passes through the roller body, and the cleaning unit has a first position that is in close contact with the surface of the roller body and a second position that creates a gap between the cleaning unit and the surface of the roller body.

[0015] The cleaning unit switches between the first and second positions by rotating the rotating rod. When in the second position, the protrusion rotates to abut against the roller surface between the rotating rod and the roller.

[0016] Furthermore, the rotating rod includes a cleaning section and a hinged section, with the cleaning section located between the two hinged sections. The rotating rod is slidably connected to the guide rail through the hinged sections.

[0017] The cleaning section is directly opposite the roller body and has the same length as the roller body. The rotating rod has pairs of protrusions, which are symmetrically arranged on the cleaning section and located near both ends of the cleaning section.

[0018] Furthermore, the length of the support arm is greater than the radius of the roller body, and the two support arms are respectively hinged to the roller shafts on both sides of the roller body through hinge holes. The length of the connecting arm is greater than or equal to the length of the roller body, and the distance between the end of the guide rail near the hinge hole and the hinge hole is less than the diameter of the roller body.

[0019] The roller pressing equipment has a blocking component located on the path of the support arm rotating along the roller shaft, which is used to limit the movement of the roller cleaning device;

[0020] Alternatively, the roller cleaning device can be connected to the roller pressing equipment via a fixed base.

[0021] Furthermore, the roller pressing equipment has several mounting components arranged along the circumference of the roller body, and the blocking component is detachably connected to the mounting component to adjust the relative position of the blocking component and the roller body.

[0022] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

[0023] 1. The elastic unit provides a sliding motion tendency for the rotating rod in the first direction, which is simpler in structure and more reliable than the solution driven by electric or pneumatic devices; the elastic unit is limited by the limiting component to prevent the elastic unit from falling off and to ensure that the rebound force of the elastic unit can act stably on the rotating rod.

[0024] 2. The roller cleaning device is fixed to the roller pressing equipment through a fixing structure set at the end of the support arm, or fixed to the operating platform where the roller pressing equipment is located, to ensure stable contact between the cleaning components and the roller body, and the position of the roller cleaning device can be adjusted according to the actual size of the roller pressing equipment, thus improving the versatility of the roller cleaning device.

[0025] 3. The switching between the first and second positions is achieved by a protrusion on the rotating rod, which is convenient to operate and has a simple structure. After the replacement is completed, the protrusion is rotated to another direction, and the rotating rod moves closer to the roller body under the influence of the movement trend, so that the cleaning unit is once again in close contact with the roller body surface. This simplifies the replacement process of the cleaning unit and allows the cleaning unit to be replaced in real time as needed during the rolling process.

[0026] 4. The fixed structure is designed with a hinge hole that is hinged to the roller shaft, which can better maintain relative stillness between the cleaning component and the roller body, improving the stability of cleaning the roller body surface. Since the hinge hole and the roller shaft cannot fully fix the roller body cleaning device, the support component is limited by the blocking component set in the roller pressing equipment to fix the contact position between the cleaning component and the roller body, and to avoid interference between the roller body cleaning device and other structures in the roller pressing equipment. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the roller cleaning device in Embodiment 1 of the present invention;

[0028] Figure 2 This is a schematic diagram of the roller cleaning device in Embodiment 2 of the present invention;

[0029] Figure 3 This is a schematic diagram of the roller cleaning device in Embodiment 3 of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure of the joint between the rotating rod and the guide rail in the roller cleaning device of the present invention;

[0031] Figure 5 This is a schematic diagram of a structure when the roller cleaning device described in this invention is used in conjunction with a roller pressing device;

[0032] Figure 6 yes Figure 5 A schematic diagram of a roller pressing device is shown.

[0033] Figure 7 yes Figure 5 The diagram shows another structural schematic of the roller pressing equipment.

[0034] In the diagram: 1. Roller body; 2. Roller cleaning device; 21. Support arm; 211. Guide rail; 212. Fixing structure; 22. Rotating rod; 221. Hinge shaft; 222. Protrusion; 23. Connecting arm; 231. Limiting component; 24. Spring; 25. Rolling component; 3. Blocking component; 4. Housing; 5. Mounting component. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0037] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0038] This invention provides a roller cleaning device 2, such as... Figures 1 to 5As shown, the device includes a cleaning assembly and a support assembly. The cleaning assembly includes a rotating rod 22 and a cleaning unit. The cleaning unit is detachably connected to the rotating rod 22. The support assembly includes a guide rail 211. The rotating rod 22 is slidably connected to the guide rail 211 and is rotatably configured relative to the guide rail 211. During rotation, the angle between the rotating rod 22 and the guide rail 211 remains unchanged. The rotating rod 22 always has a tendency to slide along the guide rail 211 in a first direction, and its surface has protrusions 222 protruding in a direction perpendicular to the rotation axis.

[0039] The tendency to slide in the first direction can be provided by an elastic unit. The elastic unit has elastic deformation capability and can always maintain a compressed / stretched state. It drives the rotating rod 22 to slide in the first direction through the rebound force. The elastic unit can be a spring 24, an elastic rubber block, a rubber band, or other parts commonly used in the art that can achieve the above functions.

[0040] In actual use, the movement direction of the rotating rod 22 is restricted by the guide rail 211. The first direction refers to the direction closer to the roller 1. Since the rotating rod 22 always has a tendency to slide in the first direction, it can stably fit against the surface of the roller 1 to clean the surface of the roller 1. The protrusion 222 protrudes from the surface of the rotating rod 22 and is always on the side of the rotating rod 22 away from the roller 1 when cleaning the surface of the roller 1, or it will abut against the roller 1 under the action of the rebound force without continuing to rotate past the roller 1, ensuring the smooth progress of cleaning. Only when the cleaning unit needs to be replaced will it be rotated to abut against the surface of the roller 1 by manual operation. At this time, the rotating rod 22 abuts against the surface of the roller 1 through the protrusion 222, forming a gap between the rotating rod 22 and the surface of the roller 1, which is convenient for the operator to disassemble and replace the cleaning unit. The replacement process of the cleaning unit is simple and convenient. It can be replaced in real time according to actual needs in various situations such as when the roller 1 is stopped or rotating. Moreover, the structure is simple and easy to produce and promote large-scale application.

[0041] The detachable connection between the cleaning unit and the rotating rod 22 can be achieved in several ways. For example, Velcro can be provided on the rotating rod 22 so that the cleaning unit can be fixed to the rotating rod 22 by Velcro; slots for fixing the cleaning unit can also be provided on the surface of the rotating rod 22 so that the cleaning unit can be detachably installed on the rotating rod 22 by the slots; clamping parts can also be provided on the surface of the rotating rod 22 to clamp the cleaning unit and fix the cleaning unit; or magnetic parts can be provided on the surface of the rotating rod 22 and the cleaning unit so that the cleaning unit can be attracted to the surface of the rotating rod 22 by magnetic attraction. For ease of replacement, Velcro or magnetic attraction is preferred for fixing the cleaning unit.

[0042] However, the above is only an illustrative description of the fixing method of the cleaning unit and does not represent a limitation on the fixing method of the cleaning unit. Those skilled in the art, based on their knowledge of the technical principles of the present invention, can also use other conventional methods to achieve the rapid installation and disassembly of the cleaning unit. The solutions obtained by making conventional replacements to the fixing method of the cleaning unit also fall within the protection scope of the present invention.

[0043] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0044] Example 1

[0045] As an embodiment of the present invention, this embodiment provides a roller cleaning device 2, wherein guide rails 211 are respectively provided on both sides of the rotating rod 22, and the rotating rod 22 is slidably connected to the two guide rails 211 respectively, as detailed below.

[0046] In this embodiment, as Figure 1 As shown, the rotating rod 22 includes a cleaning section and a hinge section. The hinge section is configured as a cylindrical hinge shaft 221. The cleaning section is located between the two hinge sections. The cleaning section is provided with a protrusion 222. The surface of the protrusion 222 is smooth and smoothly transitions to the surface of the rotating rod 22. The rotating rod 22 is slidably connected to two guide rails 211 through the hinge shafts 221 at both ends. The support assembly includes two support arms 21. The two guide rails 211 are respectively provided on the two support arms 21. The support arms 21 are also provided with a fixing structure 212. The roller cleaning device 2 is fixed through the fixing structure 212.

[0047] Specifically, the guide rail 211 is located near one end of the support arm 21 and is formed by a hollowed-out section in the middle of the support arm 21. The width of the guide rail 211 is slightly larger than the diameter of the hinge shaft 221. The hinge shaft 221 extends into the guide rail 211 and passes through the support arm 21. The fixing structure 212 is a hinge hole located at the other end of the support arm 21. The hinge holes on the two support arms 21 are aligned so that the holes coincide. The length of the hinge shaft 221 is greater than the width of the guide rail 211. The portion located outside the guide rail 211 abuts against the elastic unit. In this embodiment, the elastic unit is a spring. 24. The direction along the guide rail 211 near the fixed structure 212 is defined as the first direction. The elastic unit continuously applies a force to the rotating rod 22 to move in the first direction. The other end of the elastic unit is connected to the connecting arm 23. In other embodiments, the other end of the elastic unit can also be fixed to the support arm 21. The end of the elastic unit that abuts against the hinge shaft 221 can also be fixed to the part of the hinge shaft 221 located outside the rail, or detachably connected to the hinge shaft 221. In addition, in other embodiments, the elastic unit can also be set inside the guide rail 211, depending on the actual situation.

[0048] The diameter of the cleaning section is larger than the diameter of the hinge shaft 221. A protrusion 222 is provided on the peripheral wall of the cleaning section, protruding outward along the axial direction. The surface of the protrusion 222 is smooth and smoothly transitions to the surface of the cleaning section. The number of protrusions 222 provided on the cleaning section can be selected according to the actual use. Several protrusions 222 are arranged on the same straight line parallel to the axis of the rotating rod 22. In this embodiment, the cleaning section is provided with two protrusions 222, which are respectively located at both ends of the cleaning section. The cleaning unit is located between the protrusions 222 at both ends of the cleaning section, at least covering the side of the cleaning section away from the protrusions 222.

[0049] Furthermore, a connecting arm 23 is provided between the two support arms 21. The distance between the connecting arm 23 and the fixed structure 212 is greater than the distance between the fixed structure 212 and the end of the guide rail 211 closest to the fixed structure 212. As one embodiment, the connecting arm 23 is positioned close to the end of the guide rail 211 away from the fixed structure 212, and the two support arms 21 are fixed in relative position through the connecting arm 23. In other embodiments, the connecting arm 23 can also be positioned in other locations according to actual conditions, for example, it can be positioned side by side with the guide rail 211.

[0050] As one embodiment of the present invention, such as Figure 4 As shown, the guide rail 211 is also provided with a rolling element 25, which is rotatably connected to the guide rail 211. The hinge shaft 221 of the rotating rod 22 is hinged to the rolling element 25. Specifically, the rolling element 25 includes a roller that can be rotatably arranged relative to the guide rail 211. The roller is provided with a rolling bearing, and the hinge shaft 221 is hinged to the bearing.

[0051] Example 2

[0052] As another embodiment of the present invention, this embodiment is further improved on the basis of embodiment one as follows.

[0053] In this embodiment, as Figure 2 As shown, the connecting arm 23 has a limiting member 231 arranged parallel to the guide rail 211. The limiting member 231 limits the spring 24 to prevent the spring 24 from coming out. The number and limiting form of the limiting member 231 can be selected according to the actual situation.

[0054] Specifically, in this embodiment, the limiting member 231 is a cylindrical protrusion parallel to the guide rail 211. Three limiting members 231 are spaced apart along the circumference of the spring 24. The three limiting members 231 are arranged to avoid the sliding path of the hinge shaft 221. The extension and contraction path of the spring 24 is formed between the three limiting members 231, so that the free end of the elastic unit is directly opposite the rotating rod 22, ensuring stable contact between the elastic unit and the rotating rod 22. A cover can also be provided at the end of the three limiting members 231 to fix the relative position between the three limiting members 231 and improve the limiting stability of the spring 24.

[0055] In other embodiments, the telescopic path formed by the three limiting members 231 passes through the rotation path of the protrusion 222. At this time, the elastic unit is directly opposite the telescopic path of the protrusion 222. Compared with abutting against the rotating rod 22, it can provide a greater force by abutting against the protrusion 222 when cleaning the roller body 1, thereby improving the cleaning effect.

[0056] Example 3

[0057] As another embodiment of the present invention, the difference between this embodiment and embodiment two is that the structure of the supporting component is different.

[0058] In this embodiment, the elastic element is spring 24, such as Figure 3 As shown, the fixed structure 212 is configured as a fixed plate, and both support arms 21 are connected to the fixed plate. The planes on which the two support arms 21 are located are parallel to each other and perpendicular to the plane on which the fixed plate is located. The direction along the guide rail 211 away from the fixed structure 212 is defined as the first direction. One end of the elastic unit is connected to the hinge section, and the other end is connected to the fixed structure 212. Correspondingly, the fixed structure 212 has a protruding connector, which makes the direction of the spring 24's rebound force parallel to the direction of the guide rail 211. In other embodiments, the other end of the elastic unit can also be connected to the support arm 21.

[0059] To improve the stability of the relative position between the two support arms 21, a connecting arm 23 is also provided between the two support arms 21. The connecting arm 23 is located near the end of the support arm 21 with the fixing structure 212, and has a certain gap with the fixing structure 212, or is connected to the fixing structure 212.

[0060] Furthermore, the structure of the limiting member 231 in this embodiment differs from that in Embodiment 2, such as... Figure 3 As shown, the limiting member 231 is configured as an arc-shaped wall, the two limiting members 231 are arranged opposite to each other, and the spring 24 is arranged between the two limiting members 231.

[0061] The present invention also provides a rolling mill with the above-described roller cleaning device 2, such as... Figure 5 and Figure 6 As shown, the details are as follows.

[0062] Example 4

[0063] As an embodiment of the present invention, this embodiment provides a roller pressing device with a roller body cleaning function 1, having a roller body cleaning device 2 as described in Embodiment 2.

[0064] In this embodiment, as Figure 6 As shown, the roller pressing equipment includes a housing 4 and two rollers 1 arranged side by side in the housing 4. The number of roller cleaning devices 2 is the same as or less than the number of rollers 1. The roller cleaning devices 2 clean all rollers 1 or selectively clean some rollers 1.

[0065] Specifically, the roller body 1 has outwardly extending roller shafts at both ends. The hinge hole of the roller body cleaning device 2 is hinged to the roller shaft. At this time, the extension line of the guide rail 211 in the first direction passes through the roller body 1. The length of the cleaning section is the same as the length of the roller body 1. The distance between the end of the guide rail 211 near the hinge hole and the hinge hole is less than the diameter of the roller body 1, and the distance between the end of the guide rail 211 away from the hinge hole and the hinge hole is greater than the diameter of the roller body 1. The rotating rod 22 approaches the roller body 1 under the action of the elastic unit. The cleaning unit in the cleaning section is in contact with the surface of the roller body 1 under the elastic action of the elastic unit, and the surface of the roller body 1 is cleaned during the rotation of the roller body 1.

[0066] The cleaning unit has a first position that is in close contact with the surface of the roller body 1, and a second position that creates a gap between the cleaning unit and the surface of the roller body 1;

[0067] When cleaning the roller 1, the cleaning unit is in close contact with the surface of the roller 1 and is in the first position. When it is necessary to replace the cleaning unit, simply rotate the rotating rod 22 so that the protrusion 222 abuts against the surface of the roller 1. At this time, the cleaning unit rotates to the second position, and a gap of the same height as the protrusion 222 is formed between the cleaning section and the roller 1, which facilitates the replacement of the cleaning unit. After the replacement is completed, rotate the rotating rod 22 again, and the protrusion 222 rotates to the point where it is away from the direction of the roller 1. Under the action of the elastic unit, the cleaning unit returns to the first position and is in contact with the roller 1.

[0068] To prevent the increased friction between the cleaning unit and the roller 1 from causing the roller cleaning device 2 to rotate with the roller 1, a blocking component is provided on the housing 4. The rotation path of the support arm 21 driven by the roller 1 forms a circular rotation surface coaxial with the roller 1. The blocking component is located on the rotation surface and abuts against the support arm 21 to ensure that the support arm 21 remains fixed relative to the roller 1. Furthermore, the blocking component is detachably mounted from the housing 4. The housing 4 has several mounting components 5 arranged circumferentially along the roller 1, as shown in the figure. In this embodiment, the mounting components 5 are configured with mounting holes that can accommodate and fix the blocking component. The blocking component can be selectively installed in a suitable mounting component 5 according to the actual situation to adjust the relative position of the roller cleaning device 2 and the roller 1.

[0069] In other embodiments, such as Figure 7 As shown, the mounting component 5 can also be an annular track coaxially arranged on the housing 4 and the roller 1. The blocking component is slidably arranged in the annular track and fixed in the annular track by the positioning component provided on the blocking component after it moves into place. The positioning key can be a positioning screw that passes through the housing 4 and is screwed to the blocking component from the other side of the housing 4, or a positioning pin that can achieve a similar function. Alternatively, the inner wall of the annular track can be set as corrugated, and the fixing can be achieved by the change of friction between the corrugated wall and the blocking component.

[0070] Example 5

[0071] As another embodiment of the present invention, this embodiment provides a roller pressing device with a roller body 1 cleaning function. The difference from embodiment four is that the structure of the roller body cleaning device 2 is different.

[0072] In this embodiment, the roller pressing equipment has a roller cleaning device 2 with the structure described in Embodiment 3. The roller cleaning device 2 is detachably fixed to the housing 4 of the roller pressing equipment by a fixing plate. The extension line of the guide rail 211 in the first direction passes through the roller 1. When the roller cleaning device 2 is installed in place, part of the roller 1 extends between the two support arms 21. The rotating rod 22 approaches the roller 1 along the guide rail 211 under the action of the elastic unit, so that the cleaning unit is in contact with the surface of the roller 1, thereby cleaning the roller 1.

[0073] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A roll body cleaning device characterized by, The roller cleaning device comprises a cleaning assembly and a supporting assembly, the cleaning assembly comprises a rotating rod (22) and a cleaning unit, the cleaning unit is detachably connected with the rotating rod (22), the supporting assembly comprises a guide rail (211), the rotating rod (22) is slidably connected with the guide rail (211), the rotating rod (22) is rotatably arranged relative to the guide rail (211) and the included angle between the rotating rod (22) and the guide rail (211) remains unchanged during rotation; the rotating rod (22) always has a movement tendency of sliding along the guide rail (211) in a first direction, and the surface of the rotating rod (22) is provided with a protrusion (222) which protrudes in a direction perpendicular to the rotating shaft.

2. The roll body cleaning device of claim 1, wherein The supporting assembly further comprises a supporting arm (21), the guide rail (211) is arranged on the supporting arm (21) along the length direction of the supporting arm (21) and is arranged close to one end of the supporting arm (21), and the other end of the supporting arm (21) is provided with a fixing structure (212) for fixing the roller cleaning device.

3. The roll body cleaning device of claim 2, wherein, The fixing structure (212) is a hinge hole formed through the supporting arm (21), and the hole axes of the hinge holes on the two supporting arms (21) coincide with each other; The supporting assembly further comprises a connecting arm (23), and the two ends of the connecting arm (23) are detachably connected with the two supporting arms (21) respectively.

4. The roll body cleaning apparatus according to claim 2, characterized by The fixing structure (212) is a fixing seat, and the two supporting arms (21) are fixedly connected through the fixing seat.

5. The roll body cleaning device according to any one of claims 1 to 4, characterized in that Further comprising an elastic unit, the elastic unit is always in a stretched / compressed state, and provides the rotating rod (22) with a movement tendency of sliding in the first direction through the elastic force.

6. The roll body cleaning device of claim 5, wherein The surface of the protrusion (222) is smooth as a whole, and is smoothly and transitionally connected with the surface of the rotating rod (22), the roller cleaning device further comprises a limiting piece (231) for limiting the elastic unit, one end of the limiting piece (231) is connected with the fixing seat, and the elastic unit abuts against the surface of the rotating rod (22) under the limitation of the limiting piece (231).

7. A roll press apparatus having a roll body cleaning function, comprising a roll body (1), characterized by, Further comprising the roller cleaning device as claimed in any one of claims 1-6, the extension line of the first direction passes through the roller body (1), and the cleaning unit has a first position close to the surface of the roller body (1) and a second position with a gap between the cleaning unit and the surface of the roller body (1); The cleaning unit switches between the first position and the second position through the rotation of the rotating rod (22), and when the cleaning unit is in the second position, the protrusion (222) rotates to abut against the surface of the roller body (1) between the rotating rod (22) and the roller body (1).

8. The roll press apparatus having a roll body cleaning function according to claim 7, characterized by, The rotating rod (22) comprises a cleaning section and a hinge section, the cleaning section is located between the two hinge sections, and the rotating rod (22) is slidably connected with the guide rail (211) through the hinge section; The cleaning section is opposite to the roller body (1) and has the same length as the roller body (1), and the rotating rod (22) has a pair of protrusions (222) arranged thereon, the protrusions (222) are symmetrically arranged on the cleaning section and are arranged close to the two ends of the cleaning section respectively.

9. The roll press apparatus having a roll body cleaning function according to claim 7, wherein The length of the supporting arm (21) is greater than the radius of the roller body (1), the two supporting arms (21) are hingedly connected with the roller shafts on the two sides of the roller body (1) through the hinge holes respectively, and the distance between the guide rail (211) close to one end of the hinge hole and the hinge hole is less than the diameter of the roller body (1); The roller pressing equipment has a blocking piece (3), the blocking piece is located on the path of the supporting arm (21) rotating along the roller shaft, and is used for limiting the roller cleaning device. Or the roller body cleaning device is connected with the rolling equipment through the fixing seat.

10. The roll press apparatus having a roll body cleaning function according to claim 9, wherein The rolling equipment has a plurality of mounting pieces (5) arranged along the circumference of the roller body (1), and the blocking piece is detachably connected with the mounting piece (5) and used for adjusting the relative position of the blocking piece and the roller body (1).

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