JP2016112287A - Dryer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dryer capable of reducing twisting of an object to be dried in a discharge process.SOLUTION: A dryer includes: an inner barrel 2 having an input side opening 2a for inputting an object to be dried, and a discharge side opening 2b for discharging the object to be dried, and arranged so that a rotary shaft J becomes lateral; a roller 3 for rotationally driving the inner barrel 2; a fluid pressure cylinder 16 for inclining the inner barrel 2 so that the rotary shaft J becomes a downward inclination to the discharge opening 2b side; a rear door 12 for opening/closing the discharge side opening 2b; and a control device for inclining the inner barrel 2 in a state where the discharge side opening 2b is closed, and bringing the discharge side opening 2b into an open state after the inner barrel 2 becomes a predetermined inclined state.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a dryer for sheets and towels.

  Conventionally, a tunnel-type dryer as disclosed in Patent Document 1 is known as a commercial dryer. For example, in such a dryer, when drying an object to be dried, the inner cylinder arranged sideways is rotated, and when discharging the object to be dried, the inner cylinder is rotated and inclined. Things are known.

JP 2005-205013 A

  However, in the case of a long object to be dried such as a sheet, a state in which a part of the sheet comes out of the inner cylinder and the remaining part remains in the inner cylinder in the discharging process. When this occurs, there is a problem that the sheet is twisted like a rope due to the rotation of the inner trunk.

The dryer according to the first aspect of the present invention includes a cylinder portion that has an input opening that inputs an object to be dried and an exhaust opening that discharges the object to be dried, and is arranged so that a rotation shaft is in a horizontal direction, and the cylinder A first drive unit that rotationally drives a part, a second drive unit that tilts the cylindrical part so that the rotation shaft is inclined downward toward the discharge opening, and an opening / closing part that opens and closes the discharge opening, A control unit configured to incline the tube portion with the discharge opening closed, and to open the discharge opening after the tube portion is in a predetermined inclined state.
According to a second aspect of the present invention, in the dryer according to the first aspect, the cylindrical portion has the input opening at one end portion in the rotation axis direction, and the discharge at the other end portion in the rotation axis direction. Has an opening.
According to a third aspect of the present invention, in the dryer according to the first aspect, the cylindrical portion has an opening portion serving as the input opening and the discharge opening at one end portion in the rotation axis direction.
According to a fourth aspect of the present invention, in the dryer according to the first aspect, the control unit tilts the cylindrical portion while rotating the cylindrical portion with the discharge opening closed.
According to a fifth aspect of the present invention, in the dryer according to the first aspect, the control unit opens the discharge opening after the predetermined inclination state has elapsed for a predetermined time.
A sixth aspect of the present invention is the dryer according to the fifth aspect, further comprising a time setting unit that selects one from a plurality of set times and sets the predetermined time.
A seventh aspect of the present invention is the dryer according to the first aspect, wherein the second driving unit can be driven to a plurality of inclination angles, and the predetermined inclination state is any one of the plurality of inclination angles. An angle setting unit for selectively setting one.
A dryer according to an eighth aspect of the present invention is a dryer in which a cylindrical portion into which an object to be dried is placed is arranged with a rotation axis facing sideways, and the rotation axis of the cylinder portion is inclined when discharging the object to be dried. , A first control mode for discharging the object to be dried after the rotating shaft is set to a predetermined inclination state, and a second control mode for discharging the object to be dried from the start of the inclination of the rotating shaft are possible. A control unit and a mode selection unit for selecting one of the first and second control modes.

  According to the present invention, twisting of an object to be dried in the discharging process can be reduced.

FIG. 1 is a front view of the dryer. FIG. 2 is a cross-sectional view of the dryer as viewed from the left side. FIG. 3 is a view showing the back side of the dryer. FIG. 4 is a flowchart for explaining the operation of the dryer according to the present embodiment. FIG. 5 is a diagram illustrating a state of the dryer in the drying process. FIG. 6 is a diagram showing the dryer in an inclined state. FIG. 7 is a view showing the dryer with the rear door open. FIG. 8 is a diagram illustrating a case where a long object to be dried is discharged in the second control mode.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. 1 to 3 are external views showing an embodiment of a dryer according to the present invention. FIG. 1 is a front view of the dryer 1. FIG. 2 is a cross-sectional view of the dryer 1 as viewed from the left side. FIG. 3 is a view showing the back side of the dryer 1.

  In the casing 10 of the dryer 1, a cylindrical inner cylinder 2 into which an object to be dried is charged is provided sideways. The inner cylinder 2 is a horizontal cylinder and is formed of a porous plate such as a stainless steel plate. The inner cylinder 2 provided sideways is supported by rollers 3 and 4. The roller 3 is a driving roller for rotationally driving the inner cylinder 2, and is rotationally driven by a motor (not shown). When drying an object to be dried in the inner cylinder 2, the inner cylinder 2 is rotated. As the rotation operation, the rotation may be performed only in one direction, or the forward rotation and the reverse rotation may be alternately performed.

  As shown in the cross-sectional view of FIG. 2, the inner cylinder 2 is disposed so that the rotation axis J is substantially horizontal and lateral. On the front side (right side in the drawing) of the casing 10 of the dryer 1, a charging port 10 a is formed at a position facing the loading side opening 2 a of the horizontally placed inner trunk 2. The insertion port 10a is opened and closed by opening and closing the front door 11. On the other hand, a discharge port 10 b is formed on the back side (the left side in the figure) of the housing 10 at a position facing the discharge side opening 2 b of the inner body 2. The discharge port 10b is opened and closed by opening and closing the rear door 12. The front door 11 is driven to open and close up and down by a fluid pressure cylinder (not shown). The rear door 12 is driven to open and close by the fluid pressure cylinder 13 as indicated by an arrow R1.

  The housing 10 is placed on the gantry 14. The housing 10 and the gantry 14 are connected by a hinge 15. A pair of fluid pressure cylinders 16 are provided at the lower part of the front side of the housing 10 (see FIG. 1). When the fluid pressure cylinder 16 is extended, the casing 10 tilts backward as indicated by an arrow R2 with the hinge 15 as a fulcrum (see also FIG. 6 described later). A control device 18 is provided on the right side of the housing 10. The front surface of the control device 18 is an operation panel 19, and a display device 19a, a power-on button 19b, a power-off button 19c, and a power lamp 19d are arranged on the operation panel 19. The display device 19a is a touch panel display device, and displays a device status display, a touch switch, and the like.

  The dryer 1 is provided with a steam inlet 7 to which steam is supplied. The steam supplied from the steam inlet 7 is sent to the heater 8. The heater 8 is a heat exchange type heater, and heats the outside air (see FIG. 1) taken from the side of the heater 8 with steam. The high-temperature air heated by the heater 8 is sent into the inner cylinder 2 through the duct 9 (9a) as drying air for drying the object to be dried. As described above, the inner cylinder 2 is formed of a perforated plate, and flows into the inner cylinder 2 from the holes of the perforated plate. The drying air that has flowed into the inner cylinder 2 dries the material to be dried in the inner cylinder 2 and then flows out into a duct 9 (9b) provided at the lower portion of the inner cylinder 2. A fan portion 17 is provided in the frame 14. By driving the fan unit 17, air for dry air is sucked and discharged through the duct 9 (9 a, 9 b).

  FIG. 4 is a flowchart for explaining an example of the operation of the dryer 1 of the present embodiment, and shows an example of a control process executed by the control device 18. Moreover, FIGS. 5-7 is a figure explaining operation | movement. When the power-on button 19b of the control device 18 is turned on, the control process shown in FIG. 4 is started. The dryer 1 of the present embodiment includes a first control mode suitable for a long to-be-dried object and a second control mode suitable for a to-be-dried object. The operator operates the touch switch displayed on the display device 19 a to open and close the front door 11, and puts an object to be dried into the inner cylinder 2. The display device 19a displays the above-described switch for selecting the control mode. In step S10, it is determined whether or not the operator has performed an operation for selecting the control mode. When the control mode is selected by the operator, the process proceeds to step S20.

  In step S20, it is determined whether or not the operator has performed a start operation for starting the operation of the dryer 1. When the start operation is performed, the process proceeds to step S30. In step S30, it is determined which of the first and second control modes has been selected. When the first control mode is selected, the process proceeds to step S40, and when the second control mode is selected, the process proceeds to step S70.

  In step S40, the inner cylinder 2 is rotated to start the drying process. FIG. 5 is a diagram illustrating a state of the dryer 1 in the drying process. An object to be dried 100 is put into the inner body 2, and the front door 11 and the rear door 12 are closed. The inner cylinder 2 in the housing 10 is placed horizontally so that the rotation axis is substantially horizontal. An input side opening 2 a is formed on the front door side (right side in the figure) of the inner cylinder 2, and a discharge side opening 2 b is formed on the rear door side (left side in the figure) of the inner cylinder 2. The to-be-dried object 100 is agitated by the rotation of the inner cylinder 2, and the drying air is introduced into the inner cylinder 2, and the to-be-dried object 100 is dried by the drying air.

  When the drying process of step S40 is completed, the process of the extraction process is executed in the order of steps S50, S52, and S60. In step S50, while the inner cylinder 2 is rotated, the fluid pressure cylinder 16 is driven to incline the housing 10 toward the apparatus rear side as shown in FIG. As a result, the inner cylinder 2 is inclined backward by a predetermined inclination angle integrally with the housing 10 so that the rotation axis J is inclined downward toward the discharge side opening 2b. In step S52, it is determined whether or not a predetermined inclination angle has elapsed for a predetermined time. As the predetermined time, for example, about 10 seconds is used. Subsequently, it progresses to step S60, the fluid pressure cylinder 13 is driven like FIG. 7, and the rear door 12 is opened.

  By tilting the inner cylinder 2 in step S50, the object to be dried 100 in the inner cylinder 2 moves in the direction of the discharge side opening 2b by its own weight, and is unevenly distributed as a lump near the discharge side opening 2b of the inner cylinder 2. It becomes like this. Thereafter, when the rear door 12 is opened while the inner cylinder 2 is rotated, the object to be dried 100 that is biased toward the rear door 12 side of the inner cylinder 2 as indicated by a two-dot chain line is the discharge side opening 2b and It is discharged out of the apparatus so as to fall as a group from the discharge port 10b.

  Further, by waiting for a predetermined time as in step S52, the object 100 to be dried can be reliably moved toward the discharge side opening 2b. As a result, the to-be-dried object 100 can be discharged more smoothly when the rear door 12 is opened. When the operator confirms that the discharge of the object to be dried 100 is completed, the operator operates the operation panel 19 to close the rear door 12.

  In step S100, it is determined whether or not the power-off button 19c has been operated, that is, whether or not the dryer 1 has been stopped. If it is determined in step S100 that a stop operation has been performed, the process proceeds to step S110 to stop the dryer 1. On the other hand, if it is determined in step S100 that there is no stop operation, the process returns to step S10.

  Next, the case where it is determined in step S30 that the second control mode is selected and the process proceeds to step S70 will be described. In step S70, the same process as step S40 described above is performed, and the inner cylinder 2 is rotated to start the drying process. When the drying process of step S70 is completed, the processing of the extraction process is executed in the order of step S80 and step S90.

  In step S80, as in step S60, the fluid pressure cylinder 13 is driven to open the rear door 12 (see FIG. 7). In step S90, the fluid pressure cylinder 16 is driven while the inner cylinder 2 is rotated, and the housing 10 is gradually inclined to the angle θ shown in FIG. When the inclination of the housing 10 is started, the inner cylinder 2 is also gradually inclined, and the objects to be dried in the inner cylinder 2 are discharged in order from the one close to the discharge side opening 2b. In addition, you may arrange | position the inclination board 200 as shown with the broken line of FIG. Thereby, discharge of the to-be-dried object 100 can be made easier. The inclined plate 200 is disposed over 360 degrees on the inner periphery of the inner cylinder 2, and is formed of, for example, a cylindrical plate that is narrowed (that is, inclined) in the direction of the discharge side opening 2b. When the discharge of the object to be dried 100 is completed, the operator operates the operation panel 19 to close the rear door 12. If the tilting operation is started in step S90, the process proceeds to step S100.

  As described above, in the dryer 1 of the present embodiment, the work to be dried is performed in the first control mode or the second control mode in accordance with the control mode selection result. As described above, the first control mode and the second control mode differ in the discharge process for discharging the material to be dried from the inner cylinder 2. The first control mode is a control mode suitable for a long dry object such as a sheet, and the second control mode is a relatively short object to be dried (for example, towels, bath mats, etc.). , Yukata etc.).

  FIG. 8 is a diagram illustrating a case where a long object to be dried (described here as a sheet) is discharged in the second control mode. In the case of a long object such as a sheet 101, the sheet 101 is discharged halfway so that a part is inside the inner cylinder 2 and the other part is outside the inner cylinder 2 as shown in FIG. Is likely to occur. In such a case, since the inner body 2 is rotating, the sheet 101 is twisted as indicated by the broken line G, and the sheet 101 is often discharged in a twisted state.

  On the other hand, in the first control mode, the housing 10 is tilted rearward before the rear door 12 is opened and closed, and the tilted state is maintained for a predetermined time while the inner body 2 is rotated. Therefore, the sheet 101 moves to the rear door side during a predetermined time, and the moved sheet 101 becomes one lump like the case of the article 100 to be dried in FIG. When the door 12 is opened after maintaining the tilted state for a predetermined time, the lump-like sheets 101 are discharged together from the discharge side opening 2b and the discharge port 10b. Thus, in the case of the first control mode, it is possible to prevent the long dried product from being twisted.

  In the case of the second control mode, it is not necessary to incline the casing 10 (that is, the inner cylinder 2) for a predetermined time before starting the discharge of the object to be dried 100, so that it is necessary for the discharge process. There is an advantage that the time is shorter than that in the first control mode. From this, it can be said that the second control mode with a short discharge time is more suitable for an object to be dried (such as towels, bath mats, bathrobes, etc.) that is unlikely to be twisted during discharge.

  In the control operation shown in FIG. 4, the start and stop processes of the drying process and the determination processes of steps S10, S20, and S30 are performed by the operator's operation. However, these control signals are input to the dryer from the outside. You may make it drive automatically.

  As described above, in the present embodiment, the cylindrical inner cylinder 2 is inclined with the discharge-side opening 2b closed, and the inner cylinder 2 reaches a predetermined inclination angle θ as shown in FIG. The discharge side opening 2b is opened. Therefore, since the discharge side opening 2b is opened while the material to be dried in the inner body 2 is biased toward the discharge side opening 2b, the material to be dried is discharged in a lump. As a result, it is possible to prevent a long object to be dried from being twisted in a rope shape in the discharging process.

  In the above-described embodiment, the inlet side opening 2a and the outlet side opening 2b are separately provided at both axial ends of the inner cylinder 2, but the inlet side opening and the outlet side opening are provided on one side of the inner cylinder 2 in the axial direction. It is good also as a structure which provides the opening which serves as both. In that case, the shape of the inner body 2 may be a cylindrical portion having openings at both ends, or may be a bottomed cylindrical portion having an opening at one end.

  Further, in the above-described embodiment, when the inner cylinder 2 is inclined in the discharging process, the inner cylinder 2 is inclined while being rotated. However, the rotation of the inner cylinder 2 is stopped, and then the inner cylinder 2 is inclined. May be rotated to open the rear door 12.

  Furthermore, by making the discharge side opening 2b open after a predetermined period of time (tilt angle θ) has elapsed, it is possible to more reliably cause the material to be dried to be agglomerated on the discharge side opening 2b side. Can do. In the above description, the predetermined time is about 10 seconds. However, for example, a plurality of set times may be prepared in advance in the storage unit of the control device 18 and selected by the operator. Since the ease of biasing toward the discharge-side opening 2b differs depending on the length, material, shape, etc. of the object to be dried, the operator may select an optimal set time according to the form of the object to be dried.

  Furthermore, a plurality of inclination angles can be displayed on the display device 19a, and any one of these inclination angles can be selectively set by operating the operation unit of the control device 18 (touch switch of the display device 19a). You may do it. Since the ease of discharging from the inner cylinder 2 varies depending on the length, material, shape, etc. of the object to be dried, the operator may select an optimum inclination angle according to the form of the object to be dried.

  A first control mode in which the discharge side opening 2b is opened after the inner cylinder 2 is in a predetermined inclined state, and a second control in which the inner cylinder 2 is inclined after the discharge side opening 2b is opened. It may be configured to be able to control by mode, and may be configured to select one of the first and second control modes by the mode selection unit (touch switch of the display device 19a). In the case of a long object to be dried such as a sheet, the first control mode is suitable because it is easily twisted in a rope shape when discharged. On the other hand, in the case of an object to be dried that is shorter than a sheet such as a bath towel, there is no risk of twisting at the time of discharging, so the time required for the discharging process can be shortened by adopting the second control mode. can do.

  Each of the embodiments described above may be used alone or in combination. This is because the effects of the respective embodiments can be achieved independently or synergistically. In addition, the present invention is not limited to the above embodiment as long as the characteristics of the present invention are not impaired.

  DESCRIPTION OF SYMBOLS 1 ... Dryer, 2 ... Inner cylinder, 2a ... Input side opening, 2b ... Discharge side opening, 3, 4 ... Roller, 10 ... Housing, 11 ... Front door, 12 ... Rear door, 13, 16 ... Fluid pressure cylinder , 15 ... Hinge, 18 ... Control device, 19 ... Operation panel, 19a ... Display device, 100 ... Object to be dried, J ... Rotating shaft, θ ... Inclination angle

Claims (8)

A cylinder portion that has a charging opening for charging the material to be dried and a discharge opening for discharging the material to be dried, and is arranged so that the rotation shaft is oriented horizontally;
A first drive unit that rotationally drives the tube part;
A second drive part for inclining the cylindrical part so that the rotation shaft is inclined downward toward the discharge opening;
An opening and closing part for opening and closing the discharge opening;
And a controller that tilts the cylindrical portion with the discharge opening closed, and opens the discharge opening after the cylindrical portion is in a predetermined inclined state. The dryer according to claim 1,
The said cylinder part is a dryer which has the said input opening in one edge part of a rotating shaft direction, and has the said discharge opening in the other edge part of the said rotating shaft direction. The dryer according to claim 1,
The said cylinder part is a dryer which has the opening part which serves as the said input opening and the said discharge opening in one edge part of a rotating shaft direction. The dryer according to claim 1,
The said control part is a dryer which inclines while rotating the said cylinder part in the state which closed the said discharge opening. The dryer according to claim 1,
The said control part is a dryer which makes the said discharge | release opening state open after the said predetermined inclination state passes for the predetermined time. In the dryer according to claim 5,
A dryer comprising a time setting unit that selects one from a plurality of set times and sets the predetermined time. The dryer according to claim 1,
The second driving unit can be driven at a plurality of inclination angles,
A dryer comprising an angle setting unit that selectively sets any one of the plurality of inclination angles as the predetermined inclination state. In the dryer in which the cylindrical portion into which the material to be dried is placed is arranged with the rotation axis sideways, and the rotation axis of the cylindrical portion is inclined when discharging the material to be dried.
Control in which a first control mode for discharging the object to be dried after the rotating shaft is set in a predetermined inclination state and a second control mode for discharging the object to be dried from the start of the inclination of the rotating shaft are possible. And
A dryer comprising a mode selection unit that selects one of the first and second control modes.

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