JP2006271829A - Lint removing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lint removing device for sufficiently removing fine lint on a filter surface of a net belt. <P>SOLUTION: A filter device 30 has the net belt 24 having the mesh-like filter surface 24a for removing dust such as lint or the like contained in air in a rotary drum 5. The filter device 30 is arranged downstream of the rotary drum 5 so as to form an air passage passing through the filter surface 24a. A rotary brush 60 has brush bristles 61 raised on a circumferential face in a standing manner, and rotates at high-speed in such a state where it abuts against the filter surface 24a of the net belt 24 so as to scrape and remove dust on the filter surface 24a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a lint removing apparatus that removes cotton dust including lint, dust, and the like generated from a dryer when the washed clothes are put into a rotary drum dryer and dried.

  As this type of lint removing apparatus, in a lint removing apparatus for a dryer having a moisture exhaust fan downstream of an air passage and a filter member for removing cotton dust such as lint contained in the air disposed in the air passage. A vacuum member that sucks lint or the like lint removed by the filter member at one end, opens toward the filter member, and the other end opens at an air passage downstream from the position of the filter member. An air passage and a cotton dust collecting member interposed in the cotton dust collecting air passage, and relatively moving at least one of the filter member and the suction port of the cotton dust collecting air passage A possible configuration is known. (See Patent Document 1)

In the lint removing apparatus, an endless net belt was installed horizontally at the air outlet of the dryer, and a vacuum port was opened on the net belt. When the drive roller is rotated, the mesh belt moves across the exhaust duct, and the lint on the mesh belt is sucked into the vacuum port. The exhaust sucked from the vacuum port is removed from the lint by the lint collecting bag, passes through the air suction pipe, exits to the suction port of the dehumidifying fan, and is exhausted by joining the exhaust through the exhaust duct. Therefore, the mesh belt is always cleaned, the ventilation resistance is not increased, the air volume is constant and large, and the suction head is obtained by the exhaust fan, so that no additional fan is required.
JP-A-8-240386

  However, the suction direction for removing the cotton dust in the rotating drum with the mesh belt (filter member) and the direction for sucking the cotton dust removed by the mesh belt with the vacuum port are completely opposite directions. While removing the cotton dust in the net belt while sucking the cotton belt dust in the vacuum belt, the net belt side is used to remove the cotton dust in the rotating drum against the suction of the vacuum mouth. Since suction can be performed, suction on the vacuum mouth side is neutralized and weakened, and the cotton dust adhering to the mesh belt cannot be sufficiently sucked, so an improvement has been desired.

  The problem to be solved is to provide a lint removing device capable of sufficiently removing fine lint on the filter surface of the mesh belt.

  In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that laundry is put into a rotating drum made of a perforated plate having a large number of through holes in the peripheral wall and rotated, and the air passage of the rotating drum is rotated. In a dryer that dries clothing by rotating a fan arranged at the outlet of the heater and passing warm air from the heater through a number of through holes through the rotating drum, a lint or other cotton bud contained in the air of the rotating drum A filter device having a mesh belt having a mesh-like filter surface for removing dust is disposed on the downstream side of the rotating drum to form an air passage so as to pass through the filter surface, and brush hair is provided on the peripheral surface. A lint characterized by rotating a standing rotating brush at a high speed in contact with the filter surface of the mesh belt to scrape off and remove dust on the filter surface. It is removed by the device.

  According to a second aspect of the present invention, in the filter device, guide members are provided at predetermined intervals along the longitudinal direction on both sides in the width direction of the mesh belt, and the mesh device is part of the traveling path of the mesh belt. A filter support having a ventilation plate that is provided with a plurality of through holes on the lower surface of the belt so as to pass through the filter surface and forms an air passage on the downstream side of the rotating drum is disposed, and the ventilation of the filter support Guide rails that guide or support the guide member by abutting or loosely fitting at both ends of the plate or in the vicinity of both ends are provided, and the mesh belt is supported by the ventilation plate on the ventilation plate to stabilize the filter surface. The lint removal apparatus according to claim 1, wherein the lint removal apparatus is configured to travel in a moving manner.

  According to a third aspect of the present invention, the filter device includes an endless mesh belt and a polygonal frame structure formed by connecting a pair of frames with a plurality of rollers including a driving roller. The inner surface of the mesh belt is wrapped around the rotating surface of each roller of the framework, the mesh belt is attached to the framework, and the movable filter surface by the mesh belt is between the pair of frames. The lint removing device according to claim 2, wherein the filter device integrated into a cassette so as to be installed in a cassette is detachably disposed on the downstream side of the rotating drum.

  According to a fourth aspect of the present invention, in the filter device, guide members are provided at predetermined intervals along the longitudinal direction on both sides in the width direction of the mesh belt, and the guide members are provided on each of the pair of frame bodies. 4. The lint removing apparatus according to claim 3, wherein a guide rail is formed to be guided by contact or loose fitting.

  Further, the invention according to claim 5 is the lint removing device according to claim 3, wherein the filter device is formed in a drum shape in which a central portion of the drive roller is larger in diameter than an end portion.

  According to a sixth aspect of the present invention, the filter support is fixed to the downstream side of the rotary drum, and the filter device formed as a cassette is detachably fixed to the filter support. A lint remover.

  According to a seventh aspect of the present invention, in the axial direction, the rotating brush has a brush portion formed by bundling a plurality of brush bristles in the diameter direction of the rotating roll and penetrating the bristles on the peripheral surface of the rotating roll. The lint removing device according to claim 1, wherein the lint removing device is formed by meandering from a peripheral surface at predetermined intervals.

  According to the present invention, since the rotating brush is in contact with the filter surface of the mesh belt and rotated at high speed, the fine lint on the filter surface can be scraped off and sufficiently removed. Further, the mesh belt can travel stably with the guide member guided and supported by the guide rail. Further, since the filter device is in the form of a cassette, it can be easily replaced, and the filter device of the lint removing device can be easily managed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is a front view of a rotary drum type dryer incorporating a lint removing apparatus according to a first embodiment of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a rear view of FIG. 1, and FIG. FIG. 5 is a side view of FIG. 4, FIG. 6 is an explanatory view showing a state in which the lint removing device is attached to the filter chamber of the rotary drum dryer, and FIGS. 7A and 7B are guides of FIG. It is explanatory drawing of a member and a guide rail.

  1 to 3, a rotary drum dryer 1 is provided with an outer body frame 4 inside a housing 3 having a single-opening opening / closing lid 2 having a circular window 2a at the upper part of the front surface. A rotating drum 5 formed of a perforated plate formed of stainless steel, hard plastic, or the like and formed with a large number of through holes (not shown) is rotatably provided at intervals in 4. The rotating drum 5 serves as an inner body for the outer body frame 4 and has a shape in which a bottomed cylindrical body having a circular insertion port 6 opened on the front side is placed horizontally, and accommodates washed clothes.

  The outer body frame 4 on the rear surface of the housing 3 is provided with a bearing member 7 having two bearing portions 7 a and 7 b, and a shaft 5 b protruding rearward from the rear end surface of the rotary drum 5 is provided as one bearing of the bearing member 7. The rotating drum 5 is rotatably supported by the outer body frame 4 through the portion 7a, and a pulley 8 is fixed to the tip of the shaft 5b protruding from the bearing portion 7a. The shaft 9 is inserted into the other bearing portion 7b of the bearing member 7, and pulleys 9a and 9b are fixed to both ends of the shaft 9. The pulley 9a is connected to the pulley 8 via a belt, The pulley 9b is connected to the pulley 10a of the motor 10 via a belt. In the present embodiment, the motor 10 and the pulleys 8, 9 a, 9 b, 10 a and the belts connecting these pulleys function as a driving unit for the rotating drum 5.

  On the inner peripheral wall of the rotating drum 5, a stirring protrusion (not shown) for hooking and stirring clothes washed during rotation is formed. The agitation protrusions are arranged at a plurality of, for example, 3 to 6, locations at equal angles along the inner circumferential direction of the rotary drum 5 to promote the separation process of the washed clothes. In this case, if the motor 10 is made variable by inverter control or the like, clothing separation processing can be performed efficiently.

  In the outer frame 4, the upper part of the cylindrical outer body part 4a along the rotating drum 5 opens in the axial direction to form an air inlet 4b, and the lower part of the outer body part 4a opens in the axial direction to form an air outlet 4c. is doing. Heaters 11a and 11b such as electric heating resistors or gas burners are provided above the air inlet 4b so that warm air can be supplied to the air inlet 4b. The both sides of the center in the axial direction of the outer frame 4 are partitioned by partition members 12 and 13 so as to block the air passage on the downstream side of the air outlet 4c, and the air outlet 4c located on the downstream side of the rotary drum 5 A square opening 13 a is formed at the tip, and a lower portion of the opening 13 a is a filter chamber 23 that is partitioned on both sides by partition members 12 and 13.

  In the filter chamber 23, the filter device 30 is disposed with the mesh-like filter surface 24a aligned with the opening 13a. The downstream side of the filter surface 24a matched to the opening 13a communicates with the air passage 21 of the fan 20 that is rotated by the fan motor 20a, and further to an exhaust port 22 provided in the fan case 20b that is attached by covering the fan 20. An air passage is formed which communicates from the downstream side of the rotary drum through the mesh-like filter surface 24a and is exhausted from the exhaust port 22. Therefore, when the air of the rotating drum 5 is exhausted from the exhaust port 22 through the air passage 21, the filter surface 24a of the mesh belt 24 removes lint and other cotton dust contained in the air of the rotating drum 5. .

  Next, the attachment structure of the filter device 30 in the filter chamber 23 will be described with reference to FIGS. In the filter chamber 23, a ventilation plate 26 provided with a large number of through holes 25 protrudes from the inner wall surface 23a to the front side and is fixed horizontally, and hangs vertically from the front end of the ventilation plate 26 to form a boat shape. The front plate 27 is fixed to the front end of the ventilation plate 26 by welding or the like. The ventilation plate 26 and the front plate 27 constitute a filter support 28.

  Further, the filter device 30 includes four resin- or metal-made frames 41 to 44 connected to each end by screwing to form a substantially trapezoidal frame 40. Similarly, the filter device 30 is made of resin-made or metal-made. The four frames 51 to 54 are connected by screwing at each end to form a trapezoidal frame 50. Each frame 40, 50 is connected by a long axis driving roller 31 and driven rollers 32, 33, 34 at corresponding corners, and the frame surfaces of the frame 40, 50 are separated from each other. Arranged and formed in a trapezoidal rectangular column frame 35. The drive roller 31 is formed in a drum shape whose central portion has a larger diameter than the end portion. In the frame 40, the reinforcing frame 45 connects the upper and lower frames 41 and 43 in the crossing direction.

  In the first embodiment, the pair of frames 40 and 50 of the skeleton 35 have been described as being formed by connecting a plurality of frames, but the pair of frames 40 and 50 are formed as a single unit. Of course, it may be a frame.

  Further, the inner surface of the endless mesh belt 24 is wound around the rotation surfaces of the rollers 31 to 34 of the framework 35 and attached to the framework 35, and the mesh belt is interposed between the pair of frames 40 and 50. 24, a movable filter surface 24a is integrated so as to be installed in a cassette, and the mesh belt 24 is configured to be able to travel along the pair of frames 40 and 50. A tension roller 36 is attached to the center of the frames 44 and 54 to which the driving roller 31 and the driven roller 34 of the skeleton 35 are attached at both ends. The tension roller 36 is pulled by the coil spring 37 in the inner direction of the frame bodies 40 and 50 and the mesh belt 24 is pressed from the outside at a position before the drive roller 31 to drive the tension roller 36. The mesh belt 24 is energized so as to sufficiently wrap around the circumferential surface of the rubber 31. Further, since the driving roller 31 is formed in a drum shape whose central portion is larger in diameter than the end portion, the mesh belt 24 is unlikely to be detached from the driving roller 31, and the mesh belt 24 travels stably.

  The filter device 30 is fitted into the ventilation plate 26 and the front plate 27 of the filter support 28 provided so as to protrude from the inner wall surface 23a of the filter chamber 23 to the rear side. Then, the frames 41 to 44 of the front frame 40 are brought into contact with the front plate 27, and the frame 40 is fixed to the front plate 27 by the thumb screws 38, 38, and the filter device 30 is attached to the filter support 28. Is attached. In this way, the filter device 30 formed into a cassette in the filter chamber 23 is detachably disposed on the downstream side of the rotary drum 5. At this time, an electric cable (not shown) of the driving roller 31 is connected to the control circuit of the rotary drum dryer 1, and the driving roller 31 is controlled by the control circuit after the operation of the rotary drum dryer 1 is finished and is driven for a certain time. Is done.

  The pair of frames 40 and 50 has the longest upper frames 41 and 51 to which the driving roller 31 and the driven roller 32 are attached at both ends, and the upper frames 41 and 51 travel along the upper travel path of the mesh belt 24. Forming. In the upper travel path, the mesh belt 24 travels with the mesh-like filter surface 24a matching the opening 13a on the downstream side of the rotary drum 5. In the upper traveling path, the ventilation plate 26 of the filter support 28 is disposed on the lower surface of the mesh belt 24.

  On both sides of the mesh belt 24 in the width direction, a plurality of guide members 29 are provided at predetermined intervals so as to protrude downward along the longitudinal direction. When the mesh belt 24 travels, the tip end portion 29 a of the guide member 29 travels in contact with the side walls 26 a at both ends of the ventilation plate 26. In this case, in the upper travel path, the side walls 26a, 26a at both ends of the ventilation plate 26 function as guide rails for guiding and supporting the guide member 29, and the mesh belt 24 traveling on the ventilation plate 26 has the lower surface thereof as the ventilation plate 26. The filter surface 24a is supported and travels stably. Further, instead of causing the ventilation plate 26 to function as a guide rail, the upper frame 41, 51 of the pair of frame bodies 40, 50 disposed near both ends of the ventilation plate 26 opens to the upper portion, and the distal end portion of the guide member 29 Grooves 41a and 51a for loosely fitting 29a and guiding the net belt 24 to be movable may be provided to function as guide rails.

  When the filter device 30 is attached to the filter chamber 23, a rotating brush 60 having brush hairs 61 standing on the peripheral surface thereof is attached to the filter device 30 substantially parallel to the driven roller 32. The rotary brush 60 has a plurality of brush bristles 61 penetrating in the diametrical direction of the rotary roll 62 and brush portions 61a formed on the circumferential surfaces on opposite sides in the axial direction of the rotary roll 62 at predetermined intervals in the axial direction. The plurality of brush portions 61a are provided in a spiral shape symmetrically from the center in the axial direction toward both sides. The rotating brush 60 is supported by a rotating shaft 64 of the motor 63 and rotates. In order to attach the rotating brush 60 to the filter device 30, the motor 63 is attached to the mounting bracket 65, and the other end of the rotating brush 60 is attached in a state where one end 60 a of the rotating brush 60 is coaxially attached to the rotating shaft 64 of the motor 63. 60b is rotatably attached in the vicinity of the attachment position of the driven roller 32 of the frame 51, and the attachment fitting 65 is attached in the vicinity of the attachment position of the driven roller 32 of the frame 41 of the frame body 40 to fix the motor 63. The rotating brush 60 is attached to the driven roller 32 substantially in parallel.

  The filter chamber 23 has an opening in the lower part of the rotating brush 60, and a lint box 70 formed of a breathable member opens a lint that falls below the area where the rotating brush 60 is disposed. It is arranged to receive at.

  Next, the operation of the filter device 30 will be described. Since the filter device 30 is matched with the opening 13a at the tip of the air outlet 4c and used as a filter at the end of the work of the rotary drum dryer 1, the motor 63 is provided each time the work of the rotary drum dryer 1 is finished. Is driven and the driving roller 31 is rotated to move the filter surface 24a of the mesh belt 24 used as a filter to set an unused filter surface 24a at a position matching the opening 13a.

  At the same time, each time when the operation of the rotary drum dryer 1 is completed, the rotary brush 60 comes into contact with the filter surface 24a of the used mesh belt 24 sent from the upper running path to the position of the driven roller 32, and is fast for a certain time. Rotate (1800 rpm). The plurality of brush bristles 61 abut against the filter surface 24a while rotating at high speed to forcibly scrape the cotton dust on the filter surface 24a. As a result, the fine dust remaining on the filter surface 24a is removed by the rotating brush 60 on the filter surface 24a of the used mesh belt 24 at a position near the driven roller 32. The removed dust is dropped by its own weight and collected in the lint box 70 disposed under the rotating brush 60.

  FIG. 8 is a front view of a rotary drum dryer in which the lint removal apparatus according to the second embodiment of the present invention is incorporated. The second embodiment is different from the first embodiment in that the mesh belt constituting the filter device 30 is a winding type. Here, the configuration of the mesh belt 74 will be described.

  In the second embodiment, the mesh belt 74 is supplied from a supply roll 75 around which the mesh belt 74 is wound in multiple layers, is stretched around the first guide roll 75a, is wound around the lower side, and is folded back. The mesh belt 74 folded back by the first guide roll 75a is supported by the second guide roll 75b, supplied to the take-up roll 75c, and taken up by the take-up roll 75c.

  A rotating brush 60 is disposed on the lower side of the outer side of the first guide roll 75a where the mesh belt 74 is stretched and folded, in contact with the filter surface 74a of the mesh belt 74.

  In addition, the lint box 70 having an opening in the upper portion and formed of a breathable member receives the lint that falls to the lower side of the area where the rotary brush 60 is disposed under the first guide roll 75a. Is arranged.

  The take-up roll 75 c is connected to a drive shaft 76 a of a motor 76 that can rotate forward and reverse by a belt 76 b and is driven by the motor 76. The supply roll 75 is also driven by a motor 77 that can rotate forward and backward.

  In the initial state, the supply belt 75 has a plurality of mesh belts 74 wound around it. Then, each time the operation of the rotary drum dryer 1 is completed, the motors 76 and 77 are rotated forward to move the filter surface 74a of the mesh belt 74 that matches the opening 13a at the tip of the air outlet 4c. In this way, each time the work of the rotary drum dryer 1 is finished, the mesh belt 74 that has been used as a filter is wound up to a certain length, and the surface of the mesh belt 74 that is not used as a filter is formed in the opening 13a. Set. Therefore, the motors 76 and 77 intermittently rotate forward and the mesh belt 74 is wound up intermittently. Further, the rotating brush 60 provided on the lower side outside the first guide roll 75a is a used net belt 74 that is sent to the position of the first guide roll 75a every time the operation of the rotary drum dryer 1 is completed. And a high speed rotation (1800 rpm) for a certain time. The plurality of brush bristles 61 abut against the filter surface 74a of the mesh belt 74 while rotating at high speed to forcibly scrape off the cotton dust on the filter surface 74a.

  When the mesh belt 74 is wound around the take-up roll 75c intermittently, the mesh belt 74 is wound up by a predetermined amount. When the mesh belt 74 remains on the supply roll 75, the motors 76 and 77 are rotated in the reverse direction. The belt 74 is rewound onto the supply roll 75. After the supply roll 75 is rewound to the initial state, the winding operation is started again from the beginning of the mesh belt 74, and the same operation is repeated thereafter. The dust removed by the rotary brush 60 falls by its own weight and is collected in the lint box 70 disposed under the first guide roll 75a.

  As described above, according to the present invention, the filter device having the mesh belt is disposed on the downstream side of the rotating drum to form an air passage so as to pass through the filter surface of the mesh belt, and brush hairs are raised on the peripheral surface. The rotating brush provided is rotated at a high speed in a state where it is in contact with the filter surface of the mesh belt, and dust on the filter surface is scraped off and removed, so that fine lint on the filter surface of the mesh belt can be sufficiently removed.

  The present invention is not limited to the embodiments described above, and various design changes can be made without departing from the present invention described in the claims, and the invention is not limited to the embodiments. Not too long.

It is a front view of the rotary drum type dryer in which the lint removal apparatus of Example 1 was incorporated. It is a side view of FIG. It is a rear view of FIG. It is a top view of the lint removal apparatus of Example 1. FIG. 5 is a side view of FIG. 4. It is explanatory drawing of the state which attaches the lint removal apparatus of Example 1 to a rotating drum dryer. (A), (b) is explanatory drawing of the guide member and guide rail of FIG. It is a figure in the front of the rotary drum type dryer in which the lint removal apparatus of Example 2 was incorporated.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rotating drum type dryer 2 Opening / closing lid 2a Circular window 3 Housing 4 Outer body frame 4a Outer body part 4b Air inlet 4c Air outlet 5 Rotating drum 5b, 9 Shaft 6 Loading port 7 Bearing member 7a, 7b Bearing part 8, 9a , 9b, 10a Pulley 10, 76, 77 Motor 11a, 11b Heater 12, 13 Partition member 13a Opening 20 Fan 20a Fan motor 20b Fan case 21 Air passage 22 Exhaust port 23 Filter chamber 23a Wall surface 24, 74 Mesh belt 24a, 74a Filter Surface 25 Through-hole 26 Ventilation plate 26a Side wall 27 of ventilation plate 26 Front plate 28 Filter support 29 Guide member 29a End portion of guide member 29 30 Filter device 31 Driving roller 32, 33, 34 Drive roller 35 Skeleton 36 Tension roller La 37 Coil spring 38 Bow 40, 50 Frame 41-44, 51-54 Frame 41a, 51a Groove 45 Reinforcing frame 60 Rotating brush 60a One end of rotating brush 60 60b The other end of rotating brush 60 61 Brush hair 61a Brush part 63, 76, 77 Motor 64 Rotating shaft 65 Mounting bracket 70 Lint box 75 Supply roll 75a First guide roll 75b Second guide roll 75c Winding roll 76a Drive shaft 76b Belt

Claims (7)

Washed clothes are put into a rotating drum consisting of a perforated plate with a large number of through holes in the peripheral wall and rotated, and a fan placed at the outlet of the air passage of the rotating drum is rotated to warm air from the heater. In a dryer for drying clothes by passing a rotating drum from a large number of through holes,
A filter device having a mesh belt having a mesh-like filter surface that removes lint and other cotton dust contained in the air of the rotating drum is disposed downstream of the rotating drum so as to pass through the filter surface. An air passage was formed, and a rotating brush with brush hairs provided on its peripheral surface was rotated at a high speed in contact with the filter surface of the mesh belt, so that dust on the filter surface was scraped off and removed. A lint removal device characterized by the above.   In the filter device, guide members are provided at predetermined intervals along the longitudinal direction on both sides in the width direction of the mesh belt, and pass through the filter surface to the lower surface of the mesh belt in a part of the traveling path of the mesh belt. A filter support having a vent plate provided with a plurality of through holes and forming an air passage on the downstream side of the rotating drum, and the guide member is disposed at or near both ends of the vent plate of the filter support. 2. A guide rail that guides and supports by abutting or loosely fitting is provided, and the mesh belt is configured such that the lower surface of the mesh belt is supported by the ventilation plate and the filter surface is stabilized on the ventilation plate. The lint removal apparatus as described.   The filter device includes an endless mesh belt and a polygonal frame structure in which a pair of frames are connected by a plurality of rollers including a driving roller, and each of the rollers of the frame structure is provided. The inside of the mesh belt is wrapped around a rotating surface, the mesh belt is attached to the frame body, and integrated into a cassette so that a movable filter surface by the mesh belt is installed between the pair of frames. The lint removing device according to claim 2, wherein the filter device formed into a cassette is detachably disposed on the downstream side of the rotating drum.   The filter device is provided with guide members on both sides in the width direction of the mesh belt at predetermined intervals along the longitudinal direction, and guide rails that guide the guide members by abutting or loosely fitting to the pair of frames. The lint removal apparatus according to claim 3, wherein the lint is formed.   The lint removing device according to claim 3, wherein the filter device is formed in a drum shape in which a central portion of the drive roller has a larger diameter than an end portion.   The lint removing device according to claim 3, wherein the filter support is fixed to the downstream side of the rotating drum, and the filter device in a cassette is detachably fixed to the filter support.   In the rotating brush, a plurality of brush bristles are bundled in the diameter direction of the rotating roll and penetrated to stand upright on the peripheral surface of the rotating roll. The lint removing apparatus according to claim 1, wherein the lint removing apparatus is provided.

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