JP2007117336A - Drying machine with air transport duct, and method for transporting laundry - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an art for collecting laundry to a drying machine continuously operated in association with a continuous washing machine without interrupting the operation. <P>SOLUTION: A drying machine 3 is fitted with a suction duct 7, and hot air-sucking fan 24 is used to suck the rewashed laundry 10 from a suction port 8. A shutter 13 at a duct attached portion is opened and an opening/closing door 27 at a heater inlet is closed to suck the rewashed laundry into the drying machine without interrupting continuous operation of the drying machine 3. An article passing inspection is inserted from a charging port 6 as a main flow, and discharged from a discharging port 22 as indicated by an arrow i. Rewashed laundry 10, such as a rejected or rewashed article, is sucked from the shutter 13 as a returned flow to be collected to the main flow, and discharged (arrow i) from the discharging port 22. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a technique for conveying laundry in a dryer operating in cooperation with a continuous washing machine.

FIG. 4 is a schematic process diagram of a laundry factory provided with a continuous washing machine.
The laundry supplied to the continuous washing machine 1 as indicated by an arrow a is prewashed, main washed, rinsed, dehydrated, becomes a cake, and is fed to the dryer through the inspection step 2.
The number of dryers to be provided depends on the capacity balance between the continuous washing machine and the dryer, and is a problem in process design. Generally, a plurality of dryers are provided.
In this example, three dryers 3a, 3b, 3c are provided, and the laundry that has passed the inspection is sent to the dryer as indicated by arrow c.

The inspection-failed products discovered in the finishing process (laundry with dirt remaining) are sorted as indicated by arrows e and accumulated in the temporary storage 4. When the accumulated amount reaches one washing amount, it is put into the re-washing machine 5 as indicated by an arrow f (not a model called a re-washing machine, but a name based on use).
When the inspection-failed product is washed in the re-washing machine 5 and regenerated into a non-defective product, it is transported to the dryer as shown by an arrow g and put in.
In this way, non-defective products are sent out (arrow d) from the dryers 3a, 3b, 3c.
JP-A-10-151299 JP 2004-105287 A

The continuous washing machine facility illustrated in FIG. 4 is operating continuously and continuously, but when the rewashed laundry is transported as shown by an arrow g and put into the dryer 3a, it is transferred to the dryer 3a. The conveyor must be stopped.
Since the entire continuous laundry facility is continuously and automatically operated, if the dryer 3a and the transfer conveyor are temporarily stopped, the continuous laundry facility stops. The extent to which the effect of the dryer shutdown is different depending on various conditions and cannot be generally stated. However, it usually affects the productivity of the laundry facility.

  The present invention has been made in view of the above-described circumstances, and the object of the present invention is to interrupt the operation of a dryer that is continuously operated in cooperation with a continuous washing machine. It is to provide a technology that can combine laundry without any problems.

The basic principle of the present invention created to achieve the above object will be briefly described with reference to FIG. 1 corresponding to one embodiment thereof.
The dryer 3 generally has a hot air suction fan 24.
Using the suction force of the fan, the laundry 10 is sucked (arrow h) from the suction port 8 of the suction duct 7.
At this time, by opening the heater inlet opening / closing door for sucking outside air and opening the shutter, suction from the suction port 8 occurs.

The outline of the present invention will be described with reference to FIG. 4 depicting a conventional continuous laundry facility. The laundry discharged from the re-washing machine 5 is not conveyed as indicated by the arrow g, and is fed to the suction port 8 of the suction duct 7. The air is sucked into the duct as indicated by arrow j and arrow k and sucked into the dryer 3a.
Thereby, it becomes possible to supply and join laundry without interrupting the operation of the dryer.
Since the mainstream laundry flowing in the direction of arrow a → arrow b → arrow c → arrow d and the laundry to be merged again after being divided as shown by arrow e are originally the same item. , If you can't distinguish them by joining, there is no problem.

The configuration of the dryer with an air conveyance duct according to the invention of claim 1 is as follows:
(See FIG. 1) In the pass-through dryer (3) in which the laundry door is provided and the door (11, 12) is provided in the outlet (22),
A suction duct (7) for sucking laundry into the dryer using the suction input of a hot air suction fan (24) for the dryer is provided.

In addition to the structural requirements of the inventive device of the first aspect, the configuration of the dryer with the air conveyance duct according to the second aspect of the invention is
(See FIG. 1) A discharge port (22) for discharging dried laundry is provided on the discharge side of the dryer (3), and the suction duct (7) is connected to the discharge side. It is characterized by that.

The configuration of the dryer with the air conveyance duct according to the invention of claim 3 is in addition to the configuration requirements of the invention device of claim 1 or claim 2,
(See FIG. 1 (B) and FIG. 2) The vicinity of the connection portion of the suction duct (7) to the dryer (3) is a movable portion that can tilt around the swivel joint (14). The tip is structured to be able to reciprocate between a “advance position connected to the dryer via a shutter (13)” and a “retreat position that does not hinder the opening and closing of the door”.

In addition to the constituent features of the invention of claim 1 or claim 2, the configuration of the dryer with an air conveyance duct according to the invention of claim 4,
(See FIG. 3) A duct insertion hole (20) is formed in the discharge door (19) provided in the discharge opening (18) of the dryer, and the suction duct (7) is connected to the duct insertion hole (20). While gently mating,
A flexible seal member (21) is mounted between the inner periphery of the duct insertion hole and the outer periphery of the suction duct.

The structure of the laundry conveying method according to the invention of claim 5 is:
(See FIG. 4) The laundry washed and dehydrated by the continuous washing machine (1) is fed to the dryers (3a to 3c) and inspected by finishing. In the method of selecting the unacceptable inspection items and re-washing (5), then throwing them into the dryer and joining the inspection acceptable products,
The rewashed laundry is conveyed (arrow j, arrow k) to the dryer (3a) by the suction duct (7).

In addition to the constituent features of the invention of claim 5, the structure of the laundry transport method according to the invention of claim 6,
(Refer to FIG. 4) The laundry is conveyed by the suction duct (7) by the suction force of the hot air suction fan provided in the dryer,
In addition, the laundry conveyed to the dryer is sucked into the dryer while the operation of the dryers (3a to 3c) is continued without interruption.

When the dryer with an air conveyance duct according to claim 1 is applied, the dryer can be made to perform the original integrated automatic operation, and the laundry can be joined to the dryer without interrupting the operation. You can also.
With this action, the separated laundry can be joined without adversely affecting the operation of the continuous laundry facility.

  When the invention according to claim 2 is applied together with the dryer with the air conveyance duct according to claim 1, the design freedom of the dryer is large, and the suction duct is easily installed.

When the invention according to claim 3 is applied together with the dryer with an air conveyance duct according to claim 1 or claim 2,
The attachment portion of the suction duct 7 is movable and can be retracted during normal work, so it does not get in the way. In particular, at the time of charging, it does not interfere with the transfer conveyor that is essentially installed in front of the dryer.

  In claim 4, even if a cover 25 (see FIG. 3) for closing the suction port is provided instead of the shutter, the same effect can be obtained, and the manufacturing cost can be reduced.

  Applying the laundry transporting method according to claim 5 does not prevent continuous washing of a large number of laundry by a continuous washing machine, and joins recycled products that have been re-washed with an unacceptable product. Can do.

  When the invention method of claim 6 is applied together with the laundry transfer method of claim 5, it is not necessary to install a dedicated transfer power source, and it can be transferred using a hot air suction fan of a dryer. In addition, since the laundry can be joined without interrupting the operation of the dryer, the productivity of the entire continuous laundry facility is not adversely affected.

1A and 1B show an embodiment of the present invention, in which FIG. 1A is a front view seen from a laundry loading side, and FIG. 1B is a side view. FIG. 2 is a rear view of the embodiment as viewed from the laundry discharge side.
(See FIG. 1) In FIG. 1B, the left side of the dryer 3 is the laundry input side, and the right side is the discharge side.
(A) As shown in the figure, a loading door 6 is provided on the loading side, and can slide up and down to receive goods from a normal transfer conveyor.

(See FIG. 1B) A discharge duct is provided on the discharge side of the dryer 3. The reference numeral 22 indicates the discharge port. In the discharge duct, the door on the discharge side opens and closes. Reference numeral 11 indicates a door in the closed position, and reference numeral 12 indicates a door in the open position. An arrow i represents a laundry discharge route.
The door is provided with an opening for connecting the suction duct 7 and is covered with a shutter 13 so as to be opened and closed.

A suction duct 7 is attached to the discharge side of the dryer 3 as described below.
(Refer FIG. 1 (B)) The swivel joint 14 is provided in the intermediate part of the suction duct 7, and the dryer side. The left side of the swivel joint is a fixed structure. The right side is a movable part that can tilt around the swivel joint.
The reference numeral 15 indicates a forward position where the duct movable portion tilts clockwise (clockwise) and is connected to the dryer 3 body. Reference numeral 16 indicates a retracted position in which the duct movable portion tilts counterclockwise (counterclockwise) and is separated from the dryer main body.
Refer to the rear view (FIG. 2) for the positional relationship among the swivel joint 14, the suction duct 7, and the duct attachment portion shutter 13.

When the suction duct movable part reaches the forward movement position 15, the duct attachment part shutter 13 is opened, and the duct communicates with the inside of the dryer 3 main body. When the suction duct movable part is at the retreat position 16, the door opening / closing is not hindered.
With the suction duct movable part in the forward position 15, the heater inlet opening / closing door is closed, the shutter 13 is opened, and the air is sucked from the suction duct 7 using the hot air suction fan 24 of the dryer. When the laundry 10 is brought close to the suction port 8, it is sucked as indicated by an arrow h.
The sucked laundry passes through the suction duct 7 and is sucked into the dryer 3. In this way, the re-laundry product 10 can be supplied into the dryer 3 while the operation of the dryer 3 is continued.

FIG. 3 shows a different embodiment. Reference numeral 17 denotes a wall on the back side (discharge side) of the dryer, and a discharge port 18 is bored.
The outlet door 19 is hinged so as to be openable and closable as indicated by a reciprocating arrow mn, and a duct insertion hole 20 is formed.
A suction duct 7 having a smaller diameter than the duct insertion hole 20 is inserted and fixed. And the clearance gap between both is sealed with the flexible bellows 21. FIG.
Even if comprised in this way, the suction duct 7 can be connected to a dryer main body, without preventing opening and closing of a door. This structure (FIG. 4) is less expensive to manufacture than the above-described embodiment (FIGS. 1 and 2) because there is no duct attachment shutter 13.

1 shows a continuous washing machine 1 embodiment of a dryer with an air conveyance duct according to the present invention, (A) is a front view seen from the inlet side, (B) is a side view. The rear view which looked at the continuous washing machine of the dryer with an air conveyance duct of embodiment shown in above-mentioned FIG. 1 from the discharge port side. The expanded detailed sectional view which showed the dryer with the air conveyance duct of embodiment different from the above, and drawn the side near the discharge mouth A plan view showing the layout of a continuous laundry facility, drawing a conventional example with a solid line and a chain line, and adding an outline of the present invention with a broken line

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Continuous washing machine 2 ... Dehydrator 3 ... Dryer 4 ... Temporary storage place 5 ... Re-washing machine 6 ... Input port 7 ... Suction duct 8 ... Suction port 9 ... Wagon 10 ... Re-laundry item 11 ... Door in closed position 12 ... Open door 13 ... Duct mounting portion shutter 14 ... Swivel joint 15 ... Duct movable portion advance position 16 ... Duct movable portion retracted position 17 ... Dryer wall 18 ... Discharge port 19 ... Discharge port 20 ... Duct insertion hole 21 ... Flexible Bellows 22 ... Discharge port 24 ... Hot air suction fan 25 ... Lid 26 ... Heater 27 ... Heater inlet opening / closing door a ... Arrow representing supply to continuous washing machine b ... Arrow representing delivery from continuous washing machine c ... Dryer D: arrow indicating delivery from the dryer d: arrow indicating separation of unacceptable products f: arrow indicating delivery to the rewashing machine g: delivery from the rewashing machine Arrow h ... Arrows representing the inhalation of the arrow j ... suction duct which represents the emissions from an arrow i ... dryer representing the intake to the duct
k: An arrow indicating the confluence to the dryer m: An arrow indicating the closing of the outlet door n: An arrow indicating the opening of the outlet door

Claims (6)

In the pass-through dryer in which a door is provided at the laundry inlet and a door is provided at the outlet,
A dryer with an air conveyance duct, characterized by comprising a suction duct for sucking laundry into the dryer using the suction input of a hot air suction fan for the dryer.   The air conveyance according to claim 1, wherein a discharge port for discharging dried laundry is provided on a discharge side of the dryer, and the suction duct is connected to the discharge side. Duct dryer. The suction duct's vicinity of the connection to the dryer is a movable part that can tilt around the swivel joint,
The tip of the movable part is structured to be able to reciprocate between a “advance position connected to the dryer via a shutter” and a “retract position that does not hinder the opening and closing of the door”. Claim | item 1 or the dryer with an air conveyance duct of Claim 2. A duct insertion hole is formed in the discharge door provided on the discharge side of the dryer, and the suction duct is gently fitted with the duct insertion hole.
The dryer with an air conveyance duct according to claim 1 or 2, wherein a flexible sealing member is mounted between the inner periphery of the duct insertion hole and the outer periphery of the suction duct. In a method of selecting unacceptable items from the laundry that has been washed, dehydrated and dried by the continuous washing system, re-washing, and then throwing them into the dryer to join the acceptable products,
A method for transporting laundry, wherein the laundry after re-washing is transported to a dryer by a suction duct. The laundry is conveyed by the suction duct by the suction force of the hot air suction fan installed in the dryer.
The laundry transporting method according to claim 5, wherein the laundry transported to the dryer is sucked into the dryer while the operation of the dryer is continued without interruption.

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