JP2005013977A - Roller cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a means, which can clean a dehydrating roller without removing from a dehydrating roller unit. <P>SOLUTION: The roller cleaning device 10 is composed of a housing 11, the dehydrating roller driving unit 12 contained in the housing 11, and a driving means 13 driving the dehydrating roller driving unit 12. In the housing 11, a cleaning liquid 16 is contained, and the dehydrating roller driving unit 12 is immersed in the cleaning liquid 16. The dehydrating roller driving unit 12 has a tank body, to which the driving means 13 is attached. The driving means 13 consists of a bracket 80 provided on the tank body, and a motor 81 with a reducer fitted to the bracket 80. In the tank body, squeeze rollers 41 and 42 are rotatably pivoted, rotate by the driving of a sprocket 64 of the motor 81 with the reducer, and co-operate the dehydrating rollers by engaging with spur gears provided coaxially to the squeeze rollers 41 and 42, and the dehydrating rollers. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dewatering roller used in a game medium cleaning apparatus for cleaning a medal as a game medium, and more particularly to a dewatering roller cleaning apparatus.
[0002]
[Prior art]
Conventionally, a game medium cleaning device for cleaning medals used in slot machines, pachislot machines, etc. is cleaned and dried while being fed continuously in a row so that medals thrown from the hopper do not overlap each other. It is discharged outside the machine.
[0003]
In this type of game medium cleaning apparatus, an operation is performed in which the medals are passed through a pair of dewatering rollers after being cleaned and the water adhering to the medals, for example, the cleaning liquid is wiped off.
In this dewatering roller, the roller member is formed of a material having water absorption, for example, sponge-like urethane rubber, and is integrally formed with an adhesive by being wound around a support shaft.
[0004]
When the dehydrating roller wipes off the cleaning liquid of a predetermined number of medals, the dehydrating roller is removed from the game medium cleaning device and cleaned by a cleaning machine, for example, a washing machine, to remove dirt, and then the game medium cleaning device is used. It is attached (see, for example, Patent Document 1).
[Patent Document 1 Utility Model Registration No. 30604602]
[0005]
[Problems to be solved by the invention]
However, the game medium cleaning device described in Patent Document 1 requires a lot of labor for maintenance because the dewatering roller needs to be attached to and detached from the game medium cleaning device when cleaning or checking the dewatering roller. Sometimes.
[0006]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a roller cleaning device that can easily clean the dewatering roller without detaching the dewatering roller when cleaning and checking the dewatering roller. To do.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention comprises a roller unit that rotatably supports a dehydrating roller member;
A roller driving unit for driving the roller unit;
Driving means;
With
The dehydrating roller member is rotated and cleaned by the driving means via the roller driving unit.
According to the present invention, since the dewatering roller member can be cleaned without being attached to or detached from the roller unit, maintenance, inspection and replacement of the dewatering roller member can be facilitated.
In this case, the roller driving unit includes a tank member, a squeeze roller member that is rotatably supported by the tank member, and a gear member that is provided on the squeeze roller member and operates the dewatering roller member. Therefore, the roller cleaning device can be reduced in size.
Further, in this case, since the roller driving unit is housed in the main body that stores the cleaning liquid, the dewatering roller member is always immersed in the cleaning liquid and cleaned, so that the cleaning power of the dewatering roller member can be improved.
In this case, since the tank member is provided with a heater member for heating and keeping the cleaning liquid, the cleaning power of the cleaning liquid may be increased.
In this case, since the roller drive unit operates with at least two of the dewatering roller members engaged with each other, the cleaning power of the dewatering roller member can be further increased.
Furthermore, in this case, the driving means is wound around the sprocket, an attachment member provided integrally with the tank member, a motor provided on the attachment member, a sprocket provided on the motor. Since the transmission member is provided, the roller cleaning device can be reduced in size.
In this case, when the squeeze roller member is composed of a roller shaft and a roller body wound around the roller shaft and provided with a spiral groove in the axial length direction of the outer peripheral portion, moisture contained in the dewatering roller member It is possible to enhance the water repellency.
Further, in this case, when the groove body is provided with a concave and convex groove that is wide in the axial length direction of the outer peripheral portion and relatively shallow in the radial direction, the roller body dehydrates moisture adhering to the dewatering roller member in the axial length direction. Since the dewatering roller member can be cleaned, it is preferable.
Further, in this case, if the outer peripheral portion is formed in a polygonal shape, the roller body can impart strength to the pressing action on the dewatering roller member, so that the cleaning power of the dewatering roller member can be improved. .
In this case, when the protrusion is formed on the outer peripheral portion of the roller body, the pressing force of the squeeze roller is finely applied to the dewatering roller, so that it can be cleaned efficiently.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the roller cleaning apparatus according to the present invention will be described below and described in detail with reference to the accompanying drawings.
[0009]
As shown in FIGS. 1 and 2, the configuration of a roller cleaning device 10 according to the present invention will be described. As shown in FIG. 1, the roller cleaning device 10 basically includes a housing (main body) 11, a dewatering roller driving unit (roller driving unit) 12 housed in the housing 11, and a dewatering roller driving unit 12. And driving means 13 for driving the motor.
[0010]
The housing 11 is formed in a box shape having a substantially rectangular cross section with a substantially uniform plate-like stainless material, for example, SUS304. A pair of leg portions 15 having a U-shaped cross section are provided at opposite positions on the lower portion of the housing 11. The casing 11 stores a cleaning liquid 16 and has a function as a cleaning tank.
[0011]
A drainage device 17 for draining the cleaning liquid 16 is provided at the bottom of the casing 11.
The drainage device 17 includes a joint 18 screwed to the housing 11, a stop valve 19 attached to the joint 18, a drain connected to the stop valve 19 on one side and a drain pump (not shown) on the other side. And a tube 20. The cleaning liquid 16 in the housing 11 is drained out of the machine by the drainage device 17 after cleaning the dewatering roller unit 70.
Reference numeral 21 is a water supply pipe for injecting water into the housing 11, and is provided on the upper portion of the housing 11.
[0012]
As shown in FIG. 3, the dewatering roller drive unit 12 includes a tank body (tank member) 22 having a substantially rectangular cross section. The tank body 22 is formed in a box shape from a substantially uniform plate-like stainless material, for example, SUS304.
Further, the tank body 22 includes substantially parallel side wall surfaces 24a, 24b and 25a, 25b forming an opening 23 directed downward, and an inclined surface formed adjacent to the side wall surfaces 24a, 24b and 25a, 25b. 26a, 26b and 27a, 27b, substantially circular openings 28, 29 formed on the crossing surfaces of the inclined surfaces 26a, 26b and 27a, 27b, and the inclined surfaces 26b, 27b. And opening holes 30 and 31 having a substantially circular cross section formed in upper portions of the inclined surfaces 26b and 27b. Note that the upper end surfaces of the side wall surfaces 24a, 24b and 25a, 25b forming the opening 23 are formed as stepped portions, and a part of the upper end surfaces of the side wall surfaces 24b, 25b is closed by the top plate 32a.
[0013]
Housings 33 to 36 formed of synthetic resin material or stainless steel material, for example, SUS304, are attached to the opening holes 28 to 31 by screw members (not shown). The housings 33 to 36 are fitted with water-resistant bearing members 37 to 40 formed of a synthetic resin material.
The bearing members 37, 38 and 39, 40 pivotally support squeeze rollers (squeeze roller members) 42, 41 accommodated in the tank body 22. In this case, the outer peripheral surfaces of the squeeze rollers 41 and 42 are formed to have substantially the same diameter.
[0014]
As shown in FIG. 4, the squeeze rollers 41 and 42 are made of stainless steel material, for example, roller shafts 43 and 44 formed of SUS304, and outer peripheral surfaces of the large diameter portions 45a and 46a of the roller shafts 43 and 44. It is comprised from the roller main bodies 47 and 48 which consist of a wound synthetic resin material.
In this case, the roller bodies 47 and 48 may be fixed to the roller shafts 43 and 44 with an adhesive, or the roller bodies 47 and 48 may be press-fitted and fixed to the roller shafts 43 and 44. Further, the roller shafts 43 and 44 and the roller main bodies 47 and 48 may be integrally formed by injection molding.
Further, spiral grooves 49, 50 are formed in the axial length direction on the outer peripheral surfaces of the roller bodies 47, 48, so that the liquid adhering to the outer peripheral surface, for example, cleaning liquid 16, water (not shown) or the like is repelled. Has a function to enhance water action. The grooves 49 and 50 may have a plurality of, for example, two spirals.
[0015]
In the vicinity of one end face of the roller bodies 47 and 48, spur gears 51 and 52 (see FIG. 3) formed of a synthetic resin material are attached to one side portions 43a and 44a of the roller shafts 43 and 44 by pins 53 and 54, respectively. .
The roller main bodies 47 and 48 of the squeeze rollers 41 and 42 have dewatering rollers 72 and 73 (FIG. 5) that engage with the outer peripheral surfaces of the roller main bodies 47 and 48 when the outer peripheral surfaces interfere with each other and are kept pressed. It has a function of enhancing the pressing action against the reference).
The outer diameters of the spur gears 51 and 52 are held approximately equal to the outer diameters of the roller bodies 47 and 48 so that the outer peripheral surfaces of the roller bodies 47 and 48 can maintain a pressed state.
In this case, the spur gears 51 and 52 mesh with the spur gears 76 and 77 (see FIG. 5) of the dewatering rollers 72 and 73 when the dewatering roller unit 70 is loaded in the opening 23 of the tank body 22.
[0016]
Sprockets 56 and 57 made of a stainless material are attached to one side portions 43a and 44a of the roller shafts 43 and 44, and a chain 58 is wound around these sprockets 56 and 57.
A tension adjusting device 59 (see FIGS. 1 and 2) for adjusting the tension of the chain 58 is engaged with the chain 58. The tension adjusting device 59 includes a bracket 60 that is displaceable on the side plate 22 a of the tank body 22, and a collar 62 that is pivotally supported by a shaft pin 61 that is attached to the bracket 60.
In this case, the outer peripheral surface of the collar 62 presses the chain 58 to adjust the tension of the chain 58.
[0017]
On the other hand, a sprocket 63 is attached to the other side portion 43b of the roller shaft 43 via a key (not shown). The sprocket 63 is driven by a chain 65 wound around the sprocket 64 of the motor 81 with speed reducer.
A tension adjusting device 66 (see FIG. 1) for adjusting the tension of the chain 65 is engaged with the chain 65. The tension adjusting device 66 includes a bracket 67 that can be displaced on the side plate 22 b of the tank main body 22, and a collar 69 that is pivotally supported by a shaft pin 68 attached to the bracket 67.
In this case, the outer peripheral surface of the collar 69 presses the chain 65 to adjust the tension of the chain 65.
[0018]
As shown in FIG. 5, the dewatering roller unit 70 to be cleaned is composed of four dewatering rollers 72 to 75 that are rotatably supported by a flange 71. Spur gears 76 to 79 are attached to one end portions of the dewatering rollers 72 to 75. In this case, the spur gears 76, 78 and 77, 79 mesh with each other, and the spur gears 76, 77 mesh with the spur gears 51, 52 provided on the squeeze rollers 41, 42.
[0019]
As shown in FIGS. 1 and 2, the driving means 13 is attached to the top plate 32a (see FIG. 3) of the tank body 22 by a screw member (not shown).
The drive means 13 is attached to a bracket (mounting member) 80 having a substantially rectangular cross section, a motor 81 with a speed reducer attached to the bracket 80, and a drive shaft 82 of the motor 81 with the speed reducer. The sprocket 64 is configured by a cover (attachment member) 83 attached to the bracket 80.
[0020]
A roller pressing mechanism 84 that presses the dewatering rollers 72 and 73 of the dewatering roller unit 70 against the squeeze rollers 41 and 42 when the dewatering roller unit 70 is inserted through the opening 23 of the tank body 22. Is provided.
The roller pressing mechanism 84 includes a roller fixing plate 85 provided on a bracket 89 fixed to the inner wall surface of the side plates 22 a and 22 b of the tank body 22, and a pressing plate 86 that engages with the roller fixing plate 85. The
[0021]
The roller fixing plate 85 is formed in a substantially rectangular plate shape, and a pair of tongue pieces 87 protruding upward are provided on one end side thereof. The tongue 87 is pivotally supported by a shaft pin 88, and both end portions of the shaft pin 88 are fixed to the inner wall surfaces of the side plates 22a and 22b of the tank body 22 by screw members (not shown). Therefore, the roller fixing plate 85 is rotatably supported by the shaft pin 88.
[0022]
The presser plate 86 is formed in a substantially rectangular plate shape, and is provided with a substantially rectangular bent portion 90 that is bent at a substantially right angle at one end thereof, and is equidistant from the bent portion 90 along a substantially orthogonal direction. A pair of parallel long grooves 91 that are spaced apart from each other are provided.
A plurality of, for example, four collar members 93 that are inserted into the bracket 89 are engaged with the long grooves 91. Therefore, the presser plate 86 is provided to be displaceable along the long groove 91.
[0023]
Reference numeral 100 (see FIG. 1) is a heater unit provided on the side plate 22 c of the tank body 22, and has a function of heating and keeping the cleaning liquid 16 stored in the housing 11. The base portion 101 of the heater unit 100 is attached to the side plate 22 c of the tank body 22 by the heater pressing plate 102. The heater body 103 of the heater unit 100 is housed in the bottom 22 d of the tank body 22.
[0024]
The roller cleaning apparatus 10 according to the embodiment of the present invention is basically configured as described above. Next, the operation and effects thereof will be described.
First, the dewatering roller unit 70 is inserted into the opening 23 of the tank body 22 with the dewatering roller drive unit 12 installed in the housing 11. At this time, the groove (not shown) of the flange 71 of the dewatering roller unit 70 is inserted into the side wall surfaces 24a, 24b, 25a, 25b and the inclined surfaces 26a, 26b, 27a, 27b forming the opening 23 of the tank body 22. The In this case, the dewatering roller unit 70 may be inserted through the opening 23 of the tank body 22 in advance.
[0025]
The spur gears 76 and 77 of the dewatering rollers 72 and 73 are engaged with the spur gears 51 and 52 of the squeeze rollers 41 and 42. Next, the roller fixing plate 85 is rotated, and the lower surface 85 a of the roller fixing plate 85 is joined to the upper surface 71 a (see FIG. 5) of the flange 71 of the dewatering roller unit 70. In this state, the presser plate 86 is displaced toward the roller fixing plate 85, and one side of the presser plate 86 is placed on the roller fixing plate 85 to press the upper surface 71 a of the flange 71.
Accordingly, the spur gears 76 and 77 of the dewatering rollers 72 and 73 are engaged with the spur gears 51 and 52 of the squeeze rollers 41 and 42.
The dewatering rollers 72 and 74 and the dewatering rollers 73 and 75 of the dewatering roller unit 70 are pressed against each other, and these spur gears 76, 78, 77, and 79 mesh with each other.
[0026]
Next, after injecting a predetermined amount of the cleaning liquid 16 into the housing 11, the motor 81 with speed reducer is started, and the sprocket 63 is rotated via the chain 65 by driving the sprocket 64. The squeeze roller 41 cooperates with the rotation of the sprocket 63, and the squeeze roller 41 rotates. The heater unit 100 is maintained in an ON state by an operation switch (not shown) after injecting the cleaning liquid 16. Heating the cleaning liquid 16 to a predetermined temperature by operating the heater unit 100 and keeping it warm is preferable because the cleaning power increases.
The rotation of the squeeze roller 41 rotates the sprocket 57 via the sprocket 56 and the chain 58, and the rotation of the sprocket 57 rotates the squeeze roller 42. That is, the squeeze rollers 41 and 42 start rotating by the start of the motor 81 with speed reducer.
[0027]
On the other hand, since the spur gears 51 and 52 provided coaxially with the squeeze rollers 41 and 42 mesh with the spur gears 76 and 77 provided coaxially with the dewatering rollers 72 and 73, the dewatering rollers 72 and 73 Cooperate with 41 and 42. Therefore, the dewatering rollers 72 to 75 of the dewatering roller unit 70 cooperate with the squeeze rollers 41 and 42.
In this case, the dehydration rollers 72 and 73 rotate while being pressed by the squeeze rollers 41 and 42, and the dehydration rollers 74 and 75 also rotate while being pressed against each other by the dehydration rollers 72 and 73. Dirt in the roller rises, and the inside of the rollers 72 to 75 is cleaned.
In the cleaning operation of the dehydrating rollers 72 to 75, if the dehydrating rollers 72 to 75 are not sufficiently cleaned, the cleaning operation may be performed a plurality of times as necessary.
[0028]
In this state, after washing for a predetermined time, the heater unit 100 is turned off by an operation switch (not shown), the stop valve 19 of the drainage device 17 is opened, and the cleaning liquid 16 is drained from the drain pipe 20.
After the cleaning liquid 16 is drained almost completely, the stop valve 19 is closed, and a predetermined amount of water is supplied from the water supply pipe 21 to the housing 11.
Then, the heater unit 100 is turned on to heat the water stored in the housing 11 and keep it warm.
[0029]
Next, when the sprocket 63 is rotated via the sprocket 64 and the chain 65 by driving the motor 81 with speed reducer, the dewatering rollers 72 to 75 start to rotate, and the rinsing operation of the dewatering rollers 72 to 75 is performed for a predetermined time. Performed multiple times.
After the rinsing operation is completed, the heater unit 100 is turned off, the stop valve 19 is opened, and water after the rinsing operation (hereinafter referred to as rinsing water) is drained from the drain pipe 20.
Of course, the rinsing operation of the dewatering rollers 72 to 75 may be further performed depending on the cleaning state of the dewatering rollers 72 to 75.
[0030]
After the rinsing operation is finished, the heater unit 100 is turned off, and then the stop valve 19 is opened to drain the rinsing water from the drain pipe 20 and discharge the rinsing water in the housing 11 almost completely.
Then, the motor 81 with speed reducer is driven for a predetermined time to perform a dewatering operation for dewatering the rinse water contained in the rollers of the dewatering rollers 72 to 75.
After the dewatering operation is completed, the presser plate 86 is displaced to open the roller fixing plate 85, and the dewatering roller unit 70 is pulled out from the tank body 22.
[0031]
According to the roller cleaning device 10 according to the present embodiment, a series of operations of cleaning and rinsing the dewatering rollers 72 to 75 are performed without attaching or removing the dewatering rollers 72 to 75 of the dewatering roller unit 70 from the flange 71. The cleaning and rinsing operations of the dewatering rollers 72 to 75 can be shortened.
[0032]
FIG. 6 is an outline view showing a schematic configuration of a squeeze roller 110 showing a modification of the squeeze rollers 41 and 42. As shown in FIG. 6, the squeeze roller 110 has a roller body 112 made of a synthetic resin material wound around the outer peripheral surface of the large-diameter portion 111 a of the shaft 111.
The roller main body 112 is formed with a spiral uneven groove 113 having a wide width in the axial length direction and a relatively shallow depth in the radial direction on the outer peripheral surface. The groove 113 may be inclined in any direction of the one side portion 114a and the other side portion 114b of the shaft 111.
In this case, by providing the groove 113 on the outer peripheral surface of the roller body 112, the dehydration rollers 72 to 75 can be washed while dehydrating water contained in the dehydration rollers 72 to 75 in the axial direction.
[0033]
7 to 9 are external views showing a schematic configuration of squeeze rollers 115, 120, and 130 showing other modifications of the squeeze rollers 41, 42. FIG. In FIG. 7, the same components as those of FIG. 6 are denoted by the same reference numerals and detailed description thereof is omitted. The same shall apply hereinafter.
As shown in FIG. 7, in the squeeze roller 115, the outer peripheral surface of the roller main body 116 has a substantially triangular prism shape, and the outer peripheral surface of the triangular prism shape is slightly concave.
In this case, when the outer peripheral surface of the roller main body 116 comes into contact with the outer peripheral surface of the dehydrating rollers 72 and 73, the pressing force of the roller main body 116 that presses the dehydrating rollers 72 and 73 is generated. 73 can be further cleaned and the cleaning power can be improved. Of course, the outer peripheral surface of the roller body 116 is not limited to a substantially triangular shape, but may be a polygonal shape such as a quadrangle or a pentagon.
[0034]
The squeeze roller 120 shown in FIG. 8 is an external view in which the top portions 121a to 121c of the roller body 116 are formed by being twisted by a predetermined angle in the axial length direction.
In this case, since the top parts 121a to 121c of the squeeze roller 120 are in continuous contact with the dewatering rollers 72 and 73, it is possible to further improve the cleaning power.
The squeeze roller 130 shown in FIG. 9 shows an external view in which a protrusion 131 is provided on the outer peripheral surface of the roller body 116 in the axial length direction. In this case, the protrusions 131 are formed on the outer peripheral surface of the roller body 116 at equal intervals, for example, at four equal positions in the axial length direction at the same pitch.
The protrusions 131 disposed on the outer peripheral surface of the roller main body 116 at equal intervals may be provided in a spiral shape in the axial length direction.
The protrusion 131 may be provided irregularly on the outer peripheral surface of the roller body 116. Further, the protruding portion 131 may be spherical or circular, and the protruding amount of the protruding portion 131 protruding from the outer peripheral surface of the roller body 116 may be the same or non-uniform.
Thereby, since the pressing force of the squeeze roller 130 is finely applied to the dewatering rollers 72 and 73, the dewatering rollers 72 and 73 can be cleaned efficiently.
[0035]
In the roller cleaning apparatus 10 according to the present embodiment, the case where the dewatering roller unit 70 is the four dewatering rollers 72 to 75 has been described. However, a pair of dewatering rollers, for example, the dewatering rollers 72 and 74 or the dewatering rollers 73 and 75 are used. It is also possible to mount and wash.
【The invention's effect】
As described above, according to the present invention, since the dewatering roller can be cleaned without being attached to and detached from the roller unit, maintenance, inspection and replacement of the dewatering roller can be facilitated.
[Brief description of the drawings]
FIG. 1 is a front view showing a schematic structure of a roller cleaning device according to an embodiment of the present invention.
2 is a side view showing a schematic structure of the roller cleaning device of FIG. 1; FIG.
3 is an exploded perspective view of the dewatering roller drive unit of FIG. 1. FIG.
4 is a front view showing a schematic structure of the squeeze roller of FIG. 3. FIG.
FIG. 5 is a side view showing an engagement relationship between a squeeze roller and a dewatering roller unit.
FIG. 6 is a front view showing a schematic structure of a first modification of the squeeze roller.
FIG. 7 shows a schematic structure of a second modification of the squeeze roller, (A) is a front view. (B) is a side view.
FIG. 8 is a front view showing a schematic structure of a third modification of the squeeze roller.
FIG. 9 shows a schematic structure of a fourth modification of the squeeze roller, (A) is a front view. (B) is a side view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Roller cleaning apparatus 11 ... Housing | casing 12 ... Dehydration roller drive unit 13 ... Drive means 22 ... Tank main body 70 ... Dehydration roller unit

Claims (10)

A roller unit that rotatably supports a dewatering roller member;
A roller driving unit for driving the roller unit;
Driving means;
With
The roller cleaning apparatus, wherein the dehydrating roller member is rotated and cleaned by the driving means via the roller driving unit. The roller cleaning apparatus according to claim 1,
The roller driving unit includes a tank member, a squeeze roller member rotatably supported by the tank member, and a gear member that is provided on the squeeze roller member and operates the dewatering roller member. Roller cleaning device. The roller cleaning apparatus according to claim 1 or 2,
The roller driving device is housed in a main body that stores a cleaning liquid. The roller cleaning apparatus according to claim 2, wherein
A roller cleaning apparatus, wherein the tank member is provided with a heater member for heating and keeping the cleaning liquid. In the roller washing device according to any one of claims 1 to 4,
2. The roller cleaning device according to claim 1, wherein at least two of the dewatering roller members are engaged with each other to operate the roller driving unit. The roller cleaning apparatus according to claim 1,
The drive means includes an attachment member provided integrally with the tank member, a motor provided on the attachment member, a sprocket provided on the motor, and a transmission member wound around the sprocket. A roller cleaning device. The roller cleaning apparatus according to claim 2, wherein
The squeeze roller member includes a roller shaft and a roller body wound around the roller shaft and provided with a spiral groove in the axial length direction of the outer peripheral portion. The roller cleaning apparatus according to claim 7, wherein
The roller cleaning device according to claim 1, wherein the roller body is provided with a groove having an uneven shape that is wide in the axial direction of the outer peripheral portion and relatively shallow in the radial direction. The roller cleaning apparatus according to claim 7, wherein
The roller cleaning device is characterized in that an outer peripheral portion of the roller body is formed in a polygonal shape. The roller cleaning apparatus according to claim 7, wherein
The roller body has a protrusion formed on the outer peripheral portion thereof.

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