JP2867230B2 - Tableware immersion method and tableware immersion apparatus - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a dishwasher in which a large number of dishes are placed in hot water before washing a large amount of dirty dishes used for lunch, and the residue and stains that have adhered strongly are softened. More particularly, the present invention relates to a method and apparatus for immersing tableware in a dipping tank suspended in a vertically circulating chain.

[0002]

2. Description of the Related Art In general, dirty tableware used for large-scale school lunches such as school meals is transported to a lunch center or the like in a state in which a large number of dishes are stacked in a tableware basket. Wash with.

[0003] A conventional tableware immersion apparatus is generally a hanging movable immersion apparatus in which a tableware basket is hung on a chain conveyor and put into an immersion tank, and is lifted while gradually moving underwater, and a tableware basket is placed on a conveyor installed in the immersion tank. Immersed in a dive while moving underwater, a round type shower immersion device in which a tableware basket is hung on a chain that wraps around a vertical plane and immersed in a shower of hot water while moving up and down, etc. It has been known.

[0004]

In each of the above conventional immersion apparatuses, since the tableware is immersed in a tableware basket in a vertically stacked state, hot water hardly penetrates into the gap between the tableware.
There was a problem that not all of the tableware was completely immersed.

[0005] In the lifting and moving immersion apparatus, a chain conveyor that moves by hanging a tableware basket moves downward after lowering the tableware basket into an immersion tank, and then moves up and down the tableware basket from the immersion tank. However, there is a problem in that the structure of the chain conveyor is complicated, and the installation of the immersion device requires a great deal of cost and space.

[0006] Further, since a large number of tableware baskets are continuously immersed in the immersion tank, there is another problem that hot water in the tank is easily soiled, dirt accumulates at the bottom of the tank, and it is not easy to remove it.

[0007] In addition to a conveyor for moving underwater, a submerged moving immersion apparatus requires a tableware to be lowered into the immersion tank at the start of immersion, and an elevating device for lifting the tableware basket out of the immersion tank after completion of immersion. There are problems in that the transport means of the basket is complicated and the immersion tank is large, so that an installation space is required.

[0008] In the round shower immersion apparatus, the entire tableware is not always immersed in hot water, so that the immersion time is long, and the inside of the immersion apparatus is constantly humidified by shower water that is constantly sprayed, thereby maintaining a sanitary condition. It is difficult, and there is a problem that wet air leaks from the tableware insertion / removal part, which affects humidity in the room where the device is installed.

[0009]

According to the present invention, in order to solve the above-mentioned conventional problems, circulating chains 3, 3 vertically circulating and running on a gantry 1 are provided in parallel at a required interval on the left and right sides. A plurality of immersion cans 6 are hung on the left and right circulation chains 3 and 3 at required intervals with the opening facing upward, and a tableware basket W containing a large number of tableware S is placed in these immersion cans 6. Hot water is injected, immersion treatment is performed while the immersion can 6 is circulated and moved by the circulation chains 3, 3, and after the immersion treatment is completed, the hot water inside the immersion can 6 is discharged and the tableware basket is taken out. The present invention proposes a characteristic tableware immersion method.

Further, according to the present invention, circulating chains 3, 3 circulating vertically in the gantry 1 are installed in parallel at a required interval on the left and right sides, and the immersion can 6 is opened in the left and right circulating chains 3, 3. Are upwardly and detachably hung at a required interval, and the immersion can 6 is tilted substantially horizontally on the ascending path side of the circulation chains 3 and 3, and the tableware basket W is taken out from the inside thereof. Immersion can 6 tilted to its horizontal state
The tableware basket W is put in a state in which a large number of tableware S are housed in a vertically stacked state, and the opening is gradually turned upward while the immersion can 6 is shifted to the rising path of the circulation chains 3. In this suspended state, hot water is poured from above the immersion can 6, and the immersion can 6 is circulated to the circulation chains 3, 3.
The present invention proposes a tableware immersion method characterized by performing an immersion process while circulating and moving the immersion can, and after completing the immersion process, tilting the immersion can 6 to discharge hot water therein.

Further, the present invention circulates vertically in a manner that the support arms 5 and 5 are opposed to and protrude from a side surface of the mount 1 in parallel at a required interval. A can body having an open upper end capable of accommodating the circulation chains 3 and 3 and the tableware basket W in a horizontal direction, and a hanging hand 7 formed in a substantially inverted U-shape capable of receiving the support arm 5 at the center of both upper ends thereof.
And a dipping can 6 having two rollers 8, 8 'rotatably supported at the lower portions on both sides, and the circulation chain 3,
At the lower part of the ascending path from the lower end traveling portion of 3, the hanger 7 is engaged with the support arm and the immersion can 6 which moves together with the circulation chains 3, 3 is placed on its roller 8 'to maintain the horizontal position in a substantially horizontal state. A guide 19, a take-in / out device such as a take-in / take-out conveyor 9 provided so as to be able to advance and retreat forward and backward from immediately below the dipping can 6 which stands in a horizontal state in front of the lower part of the rising path of the circulation chains 3 and 3; A hot water supply port 13 installed so as to be able to move forward and backward from the opening of the immersion can 6 suspended from the upper arm of the chains 3 by engaging the hanging arm with the support arm from the opening.
And a tilting guide 16 on which the rollers of the immersion can 6 are placed on the descending paths of the circulation chains 3 and 3 to tilt the immersion can 6 to a substantially horizontal state.

[0012]

[Function] A plurality of immersion cans 6 are suspended at required intervals with opening portions facing upward in circulation chains 3, 3 circulating vertically, and a large number of dishes are vertically stacked in these immersion cans 6.
The tableware basket which is housed in the container is placed sideways , hot water is injected, and the immersion process is performed while the immersion can 6 is circulated by the circulation chains 3 and 3, so that the structure of the chain conveyor and the immersion device is simple, and In addition to requiring less installation space, each tableware W is immersed in fresh hot water poured into the immersion can 6, and after immersion, the hot water used for immersion is discharged, so that the immersion water is always fresh and clean. Sure and
It becomes possible to immerse quickly .

[0013] During the immersion process up to descent
The immersion can 6 is circulated by raising the opening with the opening facing upward.
In order to move, the inside tableware basket W is erected sideways.
Tableware S are arranged side by side, and as a result, there is no gap between each tableware S, S.
Hot water surely penetrates into the gaps, creating a gap between the dishes
It is possible to ensure immersion and the circulation chain
The dipping can 6 is tilted almost horizontally on the ascending road side of 3,3
Then, the food in the horizontal state is placed in the dipping can 6 tilted to the horizontal state.
In order to insert the basket W, the loading operation of the table basket W is smooth and easy.
Easy to do, and then go up and down
During the immersion step, the opening of the immersion can 6 is upward.
The tableware W inside is horizontal to erect and circulate
The tableware S is turned sideways, and as a result, each tableware
A gap is created between S and S, and hot water surely enters the gap.
Then, the entire tableware can be immersed reliably.

At the lower part of the ascending path from the lower end traveling portion of the circulation chains 3, 3, the hanging arm 7 is engaged with the support arm 5 and the immersion can 6 which moves together with the circulation chains 3, 3 is put on its roller 8 '. A horizontal feed guide 19 for maintaining a horizontal state, and an in / out device (an in / out conveyor) provided to be able to advance and retreat forward and backward from directly under the dipping can 6 which stands by in a horizontal state in front of the lower part of the ascending path of the circulation chains 3 and 3 and forward. 9), the immersion can 6 is moved forward, the immersion can 6 standing in a horizontal state is placed in front of the immersion can 6 and the immersion can 6 is retracted.
Is automatically removed from the container, the immersion can 6 is taken out, and the immersion-treated tableware W inside can be taken out. After taking out, a new tableware basket W is put in and the putting-in / out device is advanced, and the immersion can 6 is taken out. While being fed between the circulation chains 3, 3, the lifting hand 7 is automatically engaged with the support arm 5 of the circulation chain 3, and can be circulated by the circulation chains 3.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a gantry 1 made of vertically and horizontally steel materials is arranged in a vertically elongated rectangular parallelepiped shape. A pair of sprockets 2a, 2b, 2c, 2d are rotatably supported, and a circulation chain 3, 3 is wound around them in parallel with each other.
Is rotated by a motor 4 via a power transmission mechanism such as a sprocket and a chain, so that the circulation chains 3 and 3 are circulated vertically in the direction of the arrow in the figure.

As shown in FIG. 3, round rod-shaped support arms 5, 5 are provided on the side surfaces of the circulation chains 3, 3 opposite to each other at a predetermined interval in the longitudinal direction so as to face each other. An immersion can 6 is detachably suspended from the support arms 5 and 5.

As shown in FIG. 4, the dipping can 6 is filled with hot water, and the tableware basket W, in which a large number of dishes S are stacked and accommodated in the hot water, is placed sideways and tightly closed. Is a rectangular box-shaped can body with an opening, and a hanging hand 7 formed in a substantially inverted U-shape with an open portion capable of receiving the support arm 5 facing downward as shown in FIG. In addition, two rollers 8, 8 'are rotatably supported at the lower portions on both sides.

On the front side of the lower part of the gantry 1, a conveyor 9 for taking in and out the immersion can 6 composed of a belt conveyor or the like is installed along a guide rail 10 by a cylinder 11 so as to be able to move back and forth. Is placed in a horizontal state with the opening thereof facing rearward, and is advanced between the circulation chains 3 and 3 by the cylinder 11.
Further, by rotating and driving the conveyor 9 to advance the immersion can 6, the suspenders 7 on both sides of the conveyor are stopped in front of the immersion can 6 and engaged with the support arms 5, 5 of the circulation chains 3, 3 which are waiting. Can be.

As described above, the immersion can 6 is moved in and out of the conveyor 9.
Hanger 7 sent between circulation chains 3 by
Is engaged with the supporting arms 5 and 5, the circulation chain 3 and 3 starts to drive, and accordingly the dipping can 6 is gradually lifted and rises with its opening upward.

The forward / backward driving device 1 such as a cylinder is provided near the rising start of the immersion can 6 by the circulation chains 3 and 3.
2, a hot water supply port 13 is provided which is movable from the outside of the ascending path of the immersion can 6 to the inside of the ascending path.
When the immersion can 6 starts ascending along the ascending path 3 and temporarily stops, the hot water supply port 13 is advanced into the ascending path, and hot water pumped from the hot water supply device is injected into the immersion can 6, and The hot water supply port 13 is retracted when the tableware basket W is filled with a sufficient amount of hot water to be immersed.

Thereafter, the immersion can 6 filled with hot water rises together with the circulation chains 3 and 3 and intermittently shifts sequentially while repeating running and stopping alternately from the horizontal running path at the upper end to the descending path at the rear of the gantry 1. In the meantime, the inside tableware S is immersed.

Above the immersion can 6 that is temporarily stopped on the upper horizontal traveling path of the circulation chains 3 and 3, an air injection nozzle 14 is moved by an advance / retreat drive device 15 such as a cylinder.
When the immersion can 6 moves below the air injection nozzle 14 and stops temporarily, the air injection nozzle 14 is lowered to inject air into the hot water in the immersion can 6. Then, stir the hot water and set the tableware W
Hot water is forced to flow between each tableware S in the inside of each tableware S
Swelling dirt and residue adhering to the surface are separated.

Next, the immersion can 6 moves from the horizontal traveling path of the circulation chains 3 and 3 to the descending path at the rear of the gantry 1 and reaches the lower end of the descending path to complete the immersion step. At this point, FIGS. As shown in FIG. 14, the roller 8 on one side of the side surface of the immersion can 6 protrudes its tip below and rides on the first tilting guide 16 inclined obliquely downward toward the rear of the gantry 1, and the bottom of the immersion can 6 Is supported by the first tilting guide 16 while moving along the lowering guide 16, while the lower end of the immersion can 6 descends faster than the bottom together with the circulation chains 3, so that the immersion can 6 gradually tilts while lowering its upper end opening, and when slightly tilted, the roller 8 on one side is detached from the lower end of the first tilting guide 16 and rides on the second tilting guide 16 ′ provided thereunder. The bottom of the immersion can 6 While being supported, the upper end of the immersion can 6 descends together with the circulation chains 3 to further tilt the immersion can 6 to a substantially horizontal state to discharge the hot water inside.

A drain tank 17 is provided below the discharge section, and the hot water used for immersion discharged from the immersion can 6 is stored therein. If necessary, the supernatant water is mixed with fresh hot water, and a pump 18 is provided. To feed water to the hot water supply port 13.

The immersion can 6 tilted substantially horizontally is shown in FIGS.
As shown in FIG.
At the same time, the roller 8 'on the other side rides on a substantially boat-bottomed transverse feed guide 19 extending from below the detached position to the front side of the gantry 1, and keeps the circulation chain 3 substantially horizontal. , 3 is pulled along the horizontal travel path at the lower end thereof, and as the upper end side of the immersion can 6 starts to shift to the rising path of the circulation chains 3, 3, the upper end of the immersion can 6 moves to the ascending slope on the tip side of the transverse feed guide 19. The roller 8 ′ climbs up and follows the rise of the upper end side of the immersion can 6.
At the corner where the lower end of the circulation chains 3 and 3 transitions from the horizontal water path to the ascending path, the immersion can 6 enters and exits the upper end side, and the opening side is slightly higher than the upper surface height of the conveyor 9. Stop in an upward position.

As described above, the immersion can 6 is moved in and out of the conveyor 9
Immediately before or immediately after reaching a position in front of the immersion can 6, the conveyor 9 is automatically advanced by the cylinder 11.
Is placed on the front end of the conveyor, and the conveyor 9 is driven to rotate in the retreating direction to draw out the immersion can 6 to the rear of the conveyor.

At this time, since the U-shaped opening of the hanging hand 7 of the immersion can 6 is directed in the direction opposite to the pulling-out direction of the immersion can 6, the hanging hand 7 is automatically moved out of the support arms 5, 5 by the retreating of the conveyor 9. Come off.

Then, the tableware basket W is taken out of the drawn out dipped can 6 and carried out to the washing step by the dishwasher, and the tableware basket W containing the tableware S to be newly dipped is placed in the dipped can 6. And is fed again by the conveyor 9 to the support arms 5, 5 of the circulation chains 3, 3.

The circulation path of the immersion can 6 by the circulation chains 3, 3 is not limited to one lane, but the number of the circulation chains 3 is increased, and a plurality of lanes are provided on one stand 1, so that more lanes are provided per unit time. The tableware S can be configured to be immersed.

[0030]

According to the above as the present invention according to the present invention, the immersion cans circulating chain circulating running vertically to an opening upward hanging plurality at a predetermined interval hanged, multi within these immersion cans
A tableware basket with a number of dishes stacked vertically
Together with put it, by injecting hot water, for performing the immersion treatment while circulating movement by the circulating chain the immersion cans,
The structure of the chain conveyor and the immersion device is simple and the installation space for the device is small, and each tableware basket is immersed in new hot water poured into the immersion can, and after immersion, the hot water used for immersion is discharged. In addition, the immersion water can always be immersed in fresh, clean, reliable, and promptly .

During the immersion process up to descent
The immersion can 6 is circulated by raising the opening with the opening facing upward.
In order to move, the inside tableware W becomes horizontal and the tableware S
Are arranged side by side, resulting in a gap between each tableware S, S
Hot water surely penetrates into the gaps and completely soaks the entire tableware.
So that it can be pickled, and
The dipping can 6 is tilted almost horizontally on
Place the tableware basket W in the horizontal state in the immersion can 6 tilted to the horizontal state.
In order to insert the tableware basket W, the loading operation
Immersion line that can be lifted and descended
During the process, the immersion can 6 is set up with the opening facing upward.
The tableware W inside the tableware must be horizontal.
Tableware S is arranged side by side, and as a result, between each tableware S, S
A gap is created and hot water surely penetrates into the gap, and the entire tableware
Can be reliably immersed.

A traverse guide for maintaining a substantially horizontal state of the immersion can moving along with the circulation chain by engaging the lifting arm with the support arm at the lower part of the ascending path from the lower end traveling portion of the circulation chain and mounting the roller on the immersion can; Since there is an access device that is provided to be able to move back and forth from just below the dipping can that stands in a horizontal state in front of the lower part of the ascending path of the chain and to the front of the dipping can, the access device is moved forward and the horizontal state is set in front of it. When the immersion can is put on standby and retreated, the hanging hand is automatically disengaged from the support arm of the circulation chain, the immersion can is taken out, and the immersion-treated tableware W inside can be taken out. When the tableware is put in and the loading / unloading device is advanced, the immersion can is sent between the circulation chains and the lifting hand is automatically attached to the support arms of the circulation chains. The engaged, it can be moved cyclically by the circulating chain.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a perspective view of the immersion can according to the present invention.

FIG. 3 is a front view showing a suspended moving state of the immersion can according to the present invention.

FIG. 4 is a vertical sectional side view showing a suspended moving state of the immersion can according to the present invention.

FIG. 5 is a side view showing one embodiment of a removal process of the immersion can according to the present invention.

FIG. 6 is a side view showing another embodiment of the removal process of the immersion can according to the present invention.

FIG. 7 is a side view showing another embodiment of the removal process of the immersion can according to the present invention.

FIG. 8 is a side view showing another embodiment of the removal process of the immersion can according to the present invention.

FIG. 9 is a side view showing a state immediately before the tilting start of the immersion can according to the present invention.

FIG. 10 is a side view showing one embodiment of a tilting process of the immersion can according to the present invention.

FIG. 11 is a side view showing another embodiment of the tilting process of the immersion can according to the present invention.

FIG. 12 is a side view showing another embodiment of the tilting process of the immersion can according to the present invention.

FIG. 13 is a side view showing one embodiment of a tilting process of the immersion can according to the present invention.

FIG. 14 is a side view showing another embodiment of the tilting process of the immersion can according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand 2a Sprocket 2b Sprocket 2c Sprocket 2d Sprocket 3 Circulation chain 4 Motor 5 Support arm 6 Immersion can 7 Hanger 8 Roller 8 'Roller 9 In / out conveyor 10 Guide rail 11 Cylinder 12 Advancing / retreating device 13 Hot water supply port 14 Air injection nozzle 15 Advance Driving device 16 First tilting guide 16 'Second tilting guide 17 Drainage tank 18 Pump 19 Lateral feed guide W Tableware basket S Tableware

Claims (3)

(57) [Claims] 1. A circulating chain vertically circulating and running on a base is installed in parallel with a required interval on the left and right, and a plurality of immersion cans are arranged on the left and right circulating chains with their openings facing upward at a required interval. Hang and place many dishes in these immersion cans.
When the tableware baskets stacked and housed below are placed sideways
In both cases, hot water is injected, immersion processing is performed while the immersion can is circulated and moved by a circulation chain, and after completion of the immersion processing, hot water inside the immersion can is discharged and the tableware basket is taken out. Immersion method. 2. A circulating chain vertically circulating and running on a base is installed in parallel at a required interval on the left and right, and a plurality of immersion cans are arranged between the left and right circulating chains with the opening facing upward at a required interval. At the same time, the tableware basket is taken out from the interior of the circulation chain by tilting the immersion can substantially horizontally on the ascending path side of the circulation chain, and the tableware basket is placed inside the immersion can tilted to the horizontal state. A large number of tableware are placed in a state of being stacked one on top of the other, and the dipping can is gradually raised upward while being transferred to the ascending path of the circulation chain, and suspended, and immersed in this suspended state. Hot water is poured from above the can, immersion treatment is performed while circulating the immersion can by a circulation chain, and after completion of the immersion treatment, the immersion can is tilted to discharge the hot water therein. Immersion method . 3. A circulating chain, which is installed in parallel on a gantry at a required interval on the left and right sides and has the supporting arms protruding from opposite sides on opposite sides thereof, and circulates in a vertical direction, and a tableware basket. Is a can body with an open upper end that can accommodate the sideways. At the center of the upper part on both sides is attached a hanging hand formed in a substantially inverted U-shape that can receive a support arm, and two rollers are rotatable at the lower part on both sides. And a dipping can which is supported by the lower end of the circulation chain and a lower end of the ascending path, which is engaged with the lifting arm 7 at the lower part of the ascending path and moves with the circulation chain. A lateral feed guide for maintaining the circulating chain, a loading / unloading device provided to be able to advance and retreat forward and backward from immediately below the immersion can standing in a horizontal state in front of the lower part of the ascending path of the circulating chain and to the front thereof, and A hot water supply port installed so as to be able to advance and retreat from the opening of the immersion can suspended from the opening of the immersion can suspended by engaging the lifting arm with the support arm in the ascending path, and a roller of the immersion can in the descending path of the circulation chain. A tableware immersion apparatus, comprising a tilting guide for tilting the mounted immersion can to a substantially horizontal state.