JP3384993B2 - Dish washer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dish washing device.

[0002]

2. Description of the Related Art An endless conveyor is laid along a table seat or a counter seat on which a customer sits, and the conveyor continuously conveys a plate on which sushi is placed, and a plate on which a favorite sushi is placed is placed in his or her seat. The number of restaurants called so-called "Katenzushi", where customers pick up this plate when they come and eat it at their own seats, is increasing more and more these days. By the way, in the case of such a restaurant, since the number of dishes to be used rises to a considerable number, it is necessary to wash the dishes quickly, which is very laborious for washing the dishes.

Therefore, a dish washing apparatus as disclosed in Japanese Patent Laid-Open No. 9-238881 has already been proposed.

As shown in FIGS. 8 and 9, the dish cleaning apparatus 100 automatically stacks used dishes above the input port 200 in a stacked state, and automatically lowers the dishes 90 at the bottom.
After the plates 900 are extracted one by one from 0, both end edges are fitted into the grooves 401 of the conveying screw 400 provided in parallel on both sides, and while maintaining this state, the conveying screw 400 directs the ejection port 300 direction. Be transported to. Then, the water is sprayed from the rotating brushes 500 and 500 and the nozzles 600 and 600 during the transportation, so that the dish 9
The upper and lower surfaces of 00 are cleaned. In addition, in order to regulate the movement of the tray 900 in the vertical direction, the tray 9 is provided in the transport path from the inlet 200 to the outlet 300.
Guide rails 700, 700 are provided in parallel in the vertical direction at portions corresponding to both side edges of 00.

That is, according to the dish washing apparatus 100, the dishes 900 can be washed one after another simply by stacking the used dishes 900 above the charging port 200, so that the dishes 900 are washed. The dish 900 can now be quickly washed without much manual labor. However, in the case of the dish washing device 100,
In order to regulate the vertical movement of the dish 900 in the transport path,
Since the vertical guide rails 700, 700 are provided, the guide rail 700 becomes an obstacle and the plate 9
There is a problem that the rotating brush 500 does not come into contact with the peripheral portion of 00 at all, and the rice grains that are stuck and hardened remain on the surface of the plate 900 as they are. That is, the unwashed portion may be generated.

[0006]

SUMMARY OF THE INVENTION In view of such circumstances, an object of the present invention is to provide a dish washing apparatus which can wash dishes continuously and quickly without leaving the dishes unwashed.

[0007]

In order to achieve such an object, the dish washing apparatus according to the present invention comprises a transport means for transporting the dishes loaded into the loading port one by one toward the removal port. In the dish cleaning device having the dish cleaning device in the transport path from the input port to the ejection port, the transport means has a plurality of pressure contact portions at its tip.
Have grips and at least one of these grips
The movable gripping part and the rest are fixed gripping parts.
Slide the washers on the front and back of the dish.
The plate is gripped by being pressed against the periphery of the plate that does not hinder the cleaning.
It has a gripping means . Further, according to a second aspect of the present invention, the conveying means has a plurality of holes in which the dishes are fitted and the plurality of holes are arranged around the central axis.
It has a main body arranged side by side in a circle,
The holding part and the fixed grip part direct the pressure contact part toward the inside of the hole.
Radially with respect to the central axis of the hole so that
The movable gripper is slidable in the direction of the central axis of the hole.
It is preferable to adopt a configuration that is a capacity.

[0008]

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
A detailed description will be given with reference to the drawings. 1 to 4 show an embodiment of a dish washing apparatus according to the present invention.

As shown in FIGS. 1 to 4, the dish washing apparatus 1 includes a dish insertion port 21 having a guide portion 22 composed of four guide rails 23 on the upper surface of a casing 2 and four guide rails. A dish take-out port 24 having a guide portion 25 composed of 26 is provided side by side, and the conveying means 3, the dish taking-in means 4, the soap washing means 5, the preliminary washing means 6, the finishing washing means 7 in the casing 2 are provided. A washing water removing means 8 and a dish removing means 9 are provided.

The guide portion 22 includes four guide rails 23.
Are provided so as to surround the plate insertion port 21, and a part of the peripheral edge of the plate D abuts on each guide rail 23. While keeping the plate D substantially horizontal along the guide rail 23, A guide is provided so as to enter the plate insertion port 21. When one or more of the four plates D are stacked in the guide portion 22 on one of the four guide rails 23, the plate D protrudes toward the proximity switch 43 side to be described later, Is less than one,
A lever (not shown) having a magnetic body portion that is retracted inside the guide rail 23 is provided.

On the other hand, in the guide portion 25, four guide rails 26 are provided so as to surround the plate outlet 24, and a part of the peripheral edge of the plate abuts on each guide rail 26, which will be described later. The tray D is guided by the tray takeout means 9 so as to keep the tray D in the horizontal state from the tray takeout opening 24 into the guide portion 25. In addition, locking claws (not shown) which project from the lower end of each guide rail 26 in the direction of the central axis of the tray outlet 24 and lock the bottom edge of the lowermost tray D in the guide portion 25 from below. ) Is provided. When the locking claw is pushed from below, the locking claw rotates in the direction along the guide rail 26 and moves toward the dish D.
Are allowed to pass through, and when the dish D has passed, the original projecting state is restored again, and the edge of the lowermost dish D is received from below.

The carrying means 3 comprises a main body 31 and a holding means 32.
It has and. The main body 31 includes six petal-shaped members 3
3 are connected to each other so as to be rotatable about the central axis 34, and are intermittently rotated by 60 ° by a driving device (not shown). A hole 35 having a diameter larger than the diameter is formed. That is, the six holes 35 are arranged in a circle around the central axis of the main body 31 with a shift of 60 °.

The gripping means 32 is provided with one movable gripping part 36 provided for each hole 35, two fixed gripping parts 37, and a cam groove 38 as shown by a chain line in FIGS. 2 and 4. ing. The movable gripper 36 moves forward and backward from the central axis side of the main body 31 toward the central axis of the hole 35.
A guide roll 39, which is slidably supported on the main body 31 side, is fitted in a cam groove 38 indicated by a chain line, and a hole 35 side end is formed of a rubber elastic body. The pressure contact portion 36a is provided.

The fixed grip portion 37 is arranged such that the tip thereof is displaced by 120 ° around the central axis of the hole 35 so that its tip projects into the hole 35 toward the central axis of the hole 35, and the tip portion is made of rubber elastic material. The pressure contact portion 37a is formed by the body. The cam groove 38 has the tip of the movable gripping portion 36 most than the center axis of the hole 35 when the hole 35 is located directly below the plate loading port 21 and the plate loading port 24 and in the middle of the plate loading port 24 from the plate loading port 24. The movable gripper 36 is slid to a distant position, and the movable gripper 3 at other positions.
The distal end of 6 slides the movable gripper 36 to a position closest to the central axis of the hole 35.

That is, the gripping means 32 comprises the movable gripping part 3
When the tip of 6 comes to the position closest to the central axis of the hole, the pressure contact portions 36a, 37a provided at the tips of the two fixed gripping portions 37 and the movable gripping portion 36 are dropped into the hole 35 at a position offset by 120 °. The dish D is pressed into contact with the peripheral edge of the dish D so as to firmly grasp the dish D, and the tip of the movable gripper 36 slides in a direction away from the central axis of the hole 35, that is, the dish inlet 21 and the dish. When it comes to a position facing the outlet 24, the grip is released. As shown in FIG. 3, the plate take-in means 4 is provided immediately below the plate insertion port 21 and above the conveying means 3, and has two rotary shafts 41, a proximity switch 43, and a plate receiving bar 44.
And a water injection nozzle 45.

The two rotary shafts 41 are provided in parallel with each other on their peripheral surfaces so as to receive both end edges of the dish D from below, and the peripheral edge of the dish D is inserted and locked in the peripheral surface. One locking groove 42 is formed parallel to the central axis thereof, and the locking groove 42 faces upward, the position facing the locking groove 42 of the other rotating shaft 41, and the lower side. It is designed to rotate at a constant speed and in the opposite direction so that the positions are in the order of facing.

That is, as shown in FIG. 5 (a) , the trays D stacked on the loading port have their both end edges received from below by the peripheral surfaces of the two rotary shafts 41, but the locking groove. Four
As shown in FIG. 5 (b), when the counter 2 approaches the facing position, the dish D located at the lowermost side is engaged with the engaging groove 4 of both rotary shafts 41.
As shown in FIG. 5 (c), both end edges of the upper dish D are received by the peripheral surfaces of both shafts 41 as well as entering the inside of 2 and being locked by both rotary shafts 41 . Then, when it further rotates from the facing position and the locking groove 42 faces downward as shown in FIG. 5 (d), the locking of the dish D is released and the hole 3
The plate receiving bar 44 is fitted in the receiving member 5 and can be received from below by the plate receiving bar 44.

In the plate receiving bar 44, the upper edge of the plate D is press-contacted with the fixed grip 37 and the movable grip 36.
It is designed to receive the dish D so that it is at the same height as. The proximity switch 43 detects whether or not the magnetic body portion of the lever projects from the guide rail 23 in the direction of the proximity switch 43, and when it does not project, that is, the dish D.
If there is only one plate on the rotating shaft 41, the cleaning device 1 is stopped and at least one plate D is supported on the rotating shaft 41 at all times.
It is adapted to the state of being equity.

The water injection nozzle 45 is composed of the rotating shafts 41, 4
Water is poured onto the dishes D stacked on top of each other. The soap cleaning means 5 is provided from the dish insertion port 21 to the main body 31.
The cleaning brushes 51, 51 are provided at a position deviated by 60 ° in the rotation direction of 1, and rotate via a driving unit provided so as to sandwich the main body 31 from above and below.

As shown in FIG. 6, the upper and lower cleaning brushes 51 respectively have a flow path 5 provided at the center of a rotary shaft 52 thereof.
Soap sent from a pump (not shown) can be supplied to the central portion of the dish D via the nozzle 3. The pre-washing means 6 is 6 from the soap washing means 5 in the rotation direction of the main body 31.
The cleaning brushes 61, 61 are provided at positions offset by 0 ° and rotate via a driving unit provided so as to sandwich the main body 31 from above and below. Upper cleaning brush 61
Although not shown in the figure, cleaning water is supplied onto the dish D via a flow path provided in the center of the rotation shaft.

The finishing water washing means 7 is provided at a position deviated from the preliminary water washing means 6 by 60 ° in the rotation direction of the main body 31, and as shown in FIG. 7, is a hollow provided so as to sandwich the main body 31 from above and below. It has a disc-shaped chamber portion 71, and water supplied into the chamber portion 71 is supplied to the chamber portion 71.
The washing water is sprayed in a shower shape from a large number of spray holes 72 provided on the surface of the main body 31 side toward the dish D. The washing water removing means 8 is provided at a position deviated from the finishing water washing means 7 by 60 ° in the rotation direction of the main body 31, and has a cylindrical air injection means 81 whose one end is rotatably pivoted. When the dish D, which has been sandwiched from above and below and has been subjected to the finish cleaning by the transporting means 3, is transported to the washing water removing means 8, the air jetting means 81 sprays air in the direction of the dish D 90 times. It moves so that the water adhering to the front and back surfaces of the dish D is blown away to drain the water.

The dish removing means 9 is provided at a position deviated from the cleaning water removing means 8 by 60 ° in the rotation direction of the main body 31, and is provided with a lift 91 and a dish receiving bar 92.
The dish receiving bar 92 receives the washed dish D from below, which has been wiped off the water on the front and back surfaces by the washing water removing means 8 and sent to the upper part of the lift 91 by the transporting means 3.

The lift 91 is configured such that the dish receiving bar 92 pushes up the washed dish D received by the dish receiving bar 92 from below to above the locking claws. Although not shown, the casing 2 is provided with a filter for filtering off solids such as leftover rice from the wash water, and a leftovers container for storing the solids filtered off by this filter.

Next, the operation of the cleaning apparatus 1 will be described in detail in the order of steps. First, when it is confirmed that two or more dishes D are stacked in the dish insertion port 21 by detecting the magnetic body portion of the lever where the proximity switch 43 projects, as shown in FIG. Of the stacked dishes D, the dishes D at the lower end are taken out and set at a position facing the hole 35 on the dish receiving bar 44.

When the plate D is set on the plate receiving bar 44, the main body 31 of the conveying means 3 rotates by 60 °. With this rotation, the movable gripper 36 slides in the direction of the central axis of the hole 35, and the peripheral edge of the dish D is firmly gripped by the pressure contact portion 36a of the movable gripper 36 and the pressure contact portion 37a of the two fixed grippers 37. To be done. Then, when the dish D reaches the detergent cleaning means by rotating 60 °, the rotation of the main body 31 of the conveying means 3 is once stopped, and the detergent supplied from the upper and lower rotating brushes 51, 51 and the rotating brushes 51, 51. The upper and lower surfaces of the dish D are washed with detergent by the rotation of.

When the detergent cleaning is completed, the main body 31 of the conveying means 3 rotates by 60 ° and conveys the dish D to the position of the preliminary water washing means 6. When the plate D reaches the preliminary cleaning means 6, the rotation of the main body of the conveying means 3 is temporarily stopped, and the cleaning water supplied from the upper rotating brush 61 side and the rotating brush 61,
By rotating 61, the front and back surfaces of the dish D are preliminary washed with water.

When the preliminary washing with water is completed, the main body 31 of the conveying means 3 is rotated by 60 °, and the dish D after the preliminary washing with water is conveyed to the position of the finishing washing means 7. When the dish D is conveyed to the position of the finish cleaning means 7, the rotation of the main body 31 is temporarily stopped, and the dish water is sprayed from the spray holes 72 of the upper and lower chamber portions 71 of the finish cleaning means 7 to the surface of the dish D. The back side is washed with water.

When the finishing cleaning is completed, the main body 31 of the conveying means 3 is rotated by 60 ° and the dish D after the finishing cleaning is conveyed to the position of the cleaning water removing means 8. The dish D is the washing water removing means 8
When it is conveyed to the position of 1, the rotation of the main body 31 is once stopped. Then, the air ejecting means 81 rotates 90 ° while ejecting air in the direction of the dish D, and blows off the water adhering to the front and back surfaces of the dish D to drain water.

After draining the water, the main body 31 of the conveying means 3 is
The dish D, which has been finished and washed, is rotated to 0 ° and conveyed to the position of the dish take-out port 24 . Along with this conveyance, the movable gripper 36
Moves backward in the direction of the rotation axis, the grip is released, and the plate D is received from below by the plate receiving bar 92. Then, the washed dish D received by the dish receiving bar 92 is pushed up by the lift 91 to a position above the locking claw. At this time, if the previously washed dish D remains in the guide rail 26, the upper dish D is also pushed up at the same time. That is, the dishes D can be stacked one after another from below.

The cleaning device 1 is configured as described above and has the following excellent effects. (1) Since the gripping means 32 grips only the peripheral edge of the dish D, the rotating brushes 51, 5 are attached to the front and back surfaces of the dish D.
There is no obstacle to washing by 1, 61, 61 and the washing by the finishing water washing means 7, and the stains on the dish surface can be washed completely without leaving unwashed residue.

(2) Since water is supplied to the surface of the dishes D stacked on the dish inlet 21, before the dishes D are conveyed to the detergent cleaning means, dried rice grains and the like adhere to the surface of the dishes. This water swells and makes it easier to wash. (3) The rotary shaft 41 does not rotate unless two or more dishes D are stacked in the dish insertion port 21. That is, since one or more dishes D always remain, the dishes D loaded from above can always be received in a stable state.

(4) Since the detergent is supplied to the front and back surfaces of the dish D via the flow passages provided on the rotary shafts of the rotating brushes 51, 51, the detergent is evenly supplied to the central position of the dish D. Go around.

The dish washing apparatus according to the present invention is not limited to the above embodiment. For example, in the above-mentioned embodiment, the main body 31 of the conveying means 3 has a substantially petal shape,
It may be disk-shaped or polygonal. Further, in the above-mentioned embodiment, the preliminary water washing means 6, the detergent washing means and the like are provided one by one, but two may be provided. Moreover, you may make it wash with hot water.

Further, in the above embodiment, the dish inlet 21
Although the tray outlet 24 and the dish outlet 24 are provided adjacent to each other, they may be provided at positions separated from each other as in the conventional cleaning device.

[0036]

Since the dish washing apparatus according to the present invention is constructed as described above, it is possible to wash the dishes continuously and quickly without leaving the dishes unwashed.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a dish washing apparatus according to the present invention.

2 is a partial cutaway plan view of the device of FIG. 1. FIG.

FIG. 3 is a perspective view of a main part of the apparatus shown in FIG.

FIG. 4 is an enlarged plan view of a conveying means portion of the apparatus shown in FIG.

FIG. 5 is an explanatory diagram for explaining the operation of the plate take-up means.

FIG. 6 is a sectional view of a detergent cleaning means portion.

FIG. 7 is a cross-sectional view of a finish cleaning portion.

FIG. 8 is a side sectional view of a conventional dish cleaning device.

9 is a perspective view of an essential part of the dish washing apparatus of FIG.

[Explanation of symbols] 1 dish washing device 3 transportation means 32 gripping means 36 Movable grip 37 Fixed grip 36a, 37a Pressure contact part 5 Detergent cleaning means 6 Preliminary water washing means 7 Finishing water washing means

Claims (2)

(57) [Claims] Claim: What is claimed is: 1. A washing device is provided, which has a transporting means for transporting the dishes loaded into the loading slot one by one toward the loading slot, and the dishes are washed in a transporting path from the loading slot to the loading slot. In the dish washing device, the conveying means is provided with a plurality of grips each having a pressure contact portion at its tip.
And at least one of the grips is movable.
The holding part and the rest are fixed grips.
Depending on the ride, the pressure contact part of each grip can clean the front and back of the dish.
Hold the dish by pressing it against the peripheral edge of the dish that does not hinder it.
A dish-washing device having a holding means . Is 2. A conveying means, with a larger diameter than the diameter of the dish, arranged in a circle shape provided in a plurality of holes around the central axis of dish writing fits
A movable gripper and a fixed gripper,
Make sure that each pressure contact part protrudes toward the inside of the hole.
The main body is provided radially with respect to the central axis of the
The dish washing apparatus according to claim 1, wherein the portion is slidable in the central axis direction of the hole .