JPH10127551A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve assembling performance and maintenance performance of a raking-up dishwasher by equipping a first conveyor means to transport dishes by a belt in the inside of a washing means and a second conveyor means to transport dishes in a water tub obliquely to the surface of water in the water tub. SOLUTION: When this dishwasher is operated, a conveyor 20 and a separate type conveyor 21 are driven circulating at first. When a number of dishes 100... to be washed are put in a soaking sink 1, dishes 100... are collected in the vicinity of the other end part 21b of the separate type conveyor 21 by a water stream from a jet nozzle 3, then orderly raked up and transported by the separate type conveyor 21. After that, dishes 100... are dropped onto a flat part 20b of the conveyor 20 via a sliding board elastically supported by a number of springs and transported. Dishes 100... are washed by washing liquid S jetted from washing nozzles 13... during transporting, and then rinsed by rinsing liquid and discharged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher used in hospitals, employee cafeterias, etc., and more particularly to a dishwasher of the so-called scrap-up type, in which underwashed dishes are automatically scraped to a washing room by a conveyor. About.

[0002]

2. Description of the Related Art Conventionally, dishwashers have been used in places where a large amount of washing dishes are generated, such as hospitals and employee cafeterias, for the purpose of saving labor and shortening work time.
As this type of dishwasher, there is known a dishwasher of a scraping type, in which dishes automatically washed in a dip sink are automatically lifted up to a washing room by a conveyor.

Here, the above-mentioned conventional dishwasher is shown in FIG.
This will be described with reference to FIG. FIG. 5 is a plan view showing the configuration of a conventional dishwasher, in which illustration of dishes to be washed is omitted. FIG. 6 is an enlarged sectional view taken along line X0-X0 'shown in FIG. In FIG.
Reference numeral 1 denotes an immersion sink for washing dishes (not shown), in which a water tank 2 shown in FIG. 6 is provided. In this water tank 2, there is water W for washing dishes.
Is stored.

[0006] In FIG. 6, reference numeral 3 denotes a jet nozzle attached to the side wall of the water tank 2, which jets water W in the direction of arrow A shown in FIG. The jet nozzle 3 is connected to a discharge pipe of a jet pump 5 via a high-pressure hose 4, and a suction port of the jet pump 5 is connected to a high-pressure hose 6.
Is connected to the strainer 7 via the. The strainer 7 serves as a filter for removing residual vegetables floating in the water W. That is, the water W sucked from the strainer 7 is jetted from the jet nozzle 3 via the high-pressure hose 6, the jet pump 5, and the high-pressure hose 4.

In FIG. 5, reference numeral 8 denotes a scraping sink disposed on the left side of the immersion sink 1, and the above-mentioned strainers 7, 7 are attached to both side plates 8a, 8a, respectively. Also, inside the scraping sink 8,
A water tank 9 shown in FIG. 6 is provided so as to be integral with the water tank 2 of the immersion sink 1. That is, the water W is stored in the water tank 2 and the water tank 9.

In FIG. 5, reference numeral 10 denotes a lifting sink 8
Is provided from the one end 8b of the washing machine 11 to the outlet 11b of the washing machine 11, and is a conveyor for conveying tableware 100, which will be described later. The conveyor is driven by a driving device (not shown) to circulate in the direction of arrow B shown in FIG. The conveyor 10 has a configuration in which the inclined portion 10a of a fixed length portion has a fixed angle with respect to the other flat portion 10b from the upper portion of one side plate 9a of the water tank 9 shown in FIG. 6 to the vicinity of the other side plate 9b. It is provided in. That is, the inclined portion 10 a of the conveyor 10 is provided in the water tank 9 of the scraping sink 8.

[0007] The washing machine 11 has therein the above-mentioned conveyor 1.
0 are arranged and tableware 1 being conveyed by the conveyor 10
The cleaning is performed by spraying a cleaning liquid, a rinsing liquid, and the like on 00 and 100. 12 is conveyor 1
This is a cleaning liquid tank provided below 0, and stores the cleaning liquid S. Are cleaning nozzles provided along the conveyor 10 above and below the conveyor 10, and the cleaning liquid S supplied via the cleaning pump 14 is used to wash dishes 100, 100, .. Are sprayed from above and below. 15 is an inlet opening 11a of the washing machine 11
Is a curtain provided so as to cover the cleaning nozzle 1
3 serves to prevent the cleaning liquid S sprayed from 3 from scattering to the outside.

Next, the operation of the above-mentioned conventional dishwasher will be described. In FIG. 5, when power is supplied to each part of the apparatus, the jet pump 5 shown in FIG. 6 is driven and water W is supplied from the strainer 7, and this water W is supplied to the high-pressure hose 6, the jet pump 5, and the high-pressure hose 4. Is jetted from the jet nozzle 3 in the direction A shown in FIG. Thereby, a water flow is generated in the immersion sink 1 in the direction A, that is, from the jet nozzle 3 to the conveyor 10.

When power is supplied to each section of the apparatus, a drive motor (not shown) is driven to rotate, and the conveyor 10 is circulated in the direction of arrow B shown in FIG. Note that FIG.
, It is assumed that the dishes 100, 100,... Do not exist. Further, at the same time, the cleaning pump 14
Are driven, and the cleaning liquid S is sprayed toward the conveyor 10 from the cleaning nozzles 13, 13,....

[0010] Here, a large number of dishes 10 to be washed now.
Are put into the immersion sink 1, the dishes 100, 100,... Are brought into the vicinity of the inclined portion 10 a of the conveyor 10 by the water flow generated in the direction of the arrow A shown in FIG. Accumulate. And these dishes 100, 100, ...
Are sequentially scraped up by the inclined portion 10a of the conveyor 10 and transported in the direction of the flat portion 10b.

The tableware 100, 100,... On the flat portion 10b of the conveyor 10 is conveyed by the conveyor 10 through the opening 11a of the cleaning machine 11 into the cleaning machine 11, and the cleaning nozzle 13 , 13,... Are cleaned by the cleaning liquid S sprayed from the cleaning liquid S. Then, tableware 10
, Come out of the outlet 11b of the washing machine 11 shown in FIG. 5 after being rinsed with a rinsing liquid (not shown). As a result, the worker can use the washed tableware 10.
Move 0, 100, ... to another location.

[0012]

Incidentally, in manufacturing the above-mentioned conventional dishwashing machine, since the apparatus is large, an order-made system for manufacturing according to the needs of the user is adopted. For this reason, in the above-mentioned conventional dishwasher, the shapes of the immersion sink 1 and the scraping sink 8 shown in FIG. In addition, the shape (length, width) of the inclined portion 10a of the conveyor 10
Must be changed at any time, and there is a disadvantage that the versatility in design is low. Furthermore, in the conventional dishwasher described above, the conveyor 10 inclined portion 10a is operated by the user.
However, there is a disadvantage that the versatility is low in the assembling and maintenance method due to the difference in the shape. The present invention has been made under such a background, and an object of the present invention is to provide a dishwasher having high versatility in an assembling method and a maintenance method in design.

[0013]

According to a first aspect of the present invention, there is provided a dishwasher having a water tank for pre-washing dishes and a washing means for washing the washed dishes. A first conveyor means disposed inside and for conveying the tableware by a belt, and the water tank such that one end thereof is located near one end of the first conveyor means and the other end is located in the water tank. And a second linear conveyor means which is provided obliquely with respect to the water surface in the water tank and belt-conveys the tableware in the water tank.

According to a second aspect of the present invention, in the dishwasher according to the first aspect, one end of the first conveyer means and one end of the second conveyer means are arranged so as to span. And a supporting means fixedly mounted near one end of the second conveyor means and elastically supporting the sliding plate so as to vibrate freely.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a configuration of a dishwasher according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view taken along line X1-X1 'shown in FIG. 1 and 2, parts corresponding to the respective parts in FIGS. 5 and 6 are denoted by the same reference numerals, and description thereof will be omitted. 1 and 2, the conveyor 1 shown in FIGS. 5 and 6 is used.
A conveyor 20 is provided instead of 0, and a separate conveyor 21 and a slide buffer 22 are newly provided.

The conveyor 20 shown in FIG. 1 does not have the inclined portion 10a of the conveyor 10 shown in FIG.
The tableware 10 has only the flat portion 20b.
0, 100... As shown in FIG. 2, the separation type conveyor 21 has one end 21a near the conveyor 20 and the other end 21b near the side plate 9b of the water tank 9, and has an angle between the water surface and the longitudinal direction. 1 via a support member (not shown) so that β (see FIG. 2).
Are supported by the side plates 8a, 8a of the scraping sink 8 shown in FIG. This separation type conveyor 21 is a linear conveyor, and is circulated and driven by a driving device (not shown) in the direction of arrow C shown in the figure, and the dishes 100, 100,. Scrape up.

The sliding shock absorber 22 shown in FIG. 2 is attached near one end 21a of the separation type conveyor 21.
The tableware 100 picked up by the separation type conveyor 21 is slid and transferred to the flat portion 20b of the conveyor 20. The sliding shock absorber 22 has a function of reducing a drop impact force acting on the tableware 100 at the time of falling. Here, the configuration of the slide buffer device 22 will be described in detail with reference to FIGS. FIG. 3 is an enlarged side view showing the configuration near the sliding shock absorber 22 shown in FIG. 2, and FIG. 4 is an enlarged plan view showing the configuration near the sliding shock absorber 22 shown in FIG.

In FIG. 3, the sliding shock absorber 22 includes a base 23, a sliding plate 24, a cylindrical member 25, a supporting member 26, and springs 27, 27,. Stand 23
Has a slope 23a, and as shown in FIG.
Fixing member 23c connecting the distal ends of arms 23b, 23b extending from both ends of 3a toward separation conveyor 21
But penetrates the separation type conveyor 21. That is, the pedestal portion 23 includes the arm portions 23b, 23b and the fixing member 23c.
Is attached to the separation-type conveyor 21 so as to bridge the vicinity of one end 21a of the separation-type conveyor 21 and the flat portion 20b of the conveyor 20.

The sliding plate 24 shown in FIG. 3 is provided movably in the direction of arrow D shown in FIG. 3 along the slope 23 a of the base 23, and is semi-fixed to the support member 26 via the cylindrical member 25. I have. That is, the support member 26 has a substantially cylindrical shape in which the upper surface is closed and a circular opening 26a is formed in the upper surface, and is substantially at the center of the slope 23a of the base 23 (see FIG. 4).
Attached to. The cylindrical member 25 is formed so that its diameter is substantially equal to the diameter of the circular opening 26a of the support member 26, and the other end 25b is larger than the diameter.

The cylindrical member 25 has one end 25a attached near the center of the rear surface of the sliding plate 24 (see FIG. 4). The cylindrical member 25 is inserted into the circular opening 26a of the supporting member 26 in the direction of arrow D shown in FIG. Is slidably fitted to That is,
The column member 25 is supported by the supporting member 2 by the other end 25b.
6 are formed so as not to fall out from the circular opening 26a.
Further, four springs 27 (see FIG. 4) are interposed between the inclined surface 23a of the base 23 and the back surface of the sliding plate 24. It is urged in the direction of arrow D (upward) shown in FIG.

Next, the operation of the dishwasher according to one embodiment of the present invention will be described. In FIG. 1, when power is supplied to each part of the apparatus, the jet pump 5 shown in FIG. 2 is driven, and water W is supplied from the strainer 7, and this water W
Is jetted from the jet nozzle 3 through the high-pressure hose 6, the jet pump 5, and the high-pressure hose 4 in the direction A shown in FIG. As a result, a water flow is generated in the immersion sink 1 in the direction A, that is, from the jet nozzle 3 to the separation type conveyor 21.

When power is supplied to each part of the apparatus, a drive motor (not shown) is driven to rotate, and the conveyor 20 is driven to circulate in the direction of arrow B shown in the figure, while the separation type conveyor 21 is shown in the figure. It is driven to circulate in the direction of arrow C. Now, in FIG. 2, tableware 100, 100,
.. Do not exist. Further, at the same time, the cleaning pump 14 is driven, and the cleaning liquid S is sprayed toward the conveyor 20 from the cleaning nozzles 13, 13,.

Here, the large number of dishes 10 to be washed now
Are put into the immersion sink 1, the dishes 100, 100,... Are caused to flow by the water flow generated in the direction of arrow A shown in FIG. 21
It accumulates near b. And these dishes 100, 100,
... are sequentially lifted up by the separation type conveyor 21,
It is transported in the direction of arrow C shown in FIG.

The tableware 100 conveyed in the direction of arrow C shown in FIG.
1 falls on the sliding plate 24 from one end 21a. At the time of this fall, the drop impact force acts on the springs 27, 27,..., So that the springs 27, 27,. Arrow D as shown by
Vibrates in the direction. In other words, when the tableware 10 is dropped,
The drop impact force acting on zero is reduced by the elastic force of the springs 27, 27,..., So that the tableware 100 is not damaged.

Then, the tableware 10 dropped on the sliding plate 24
0 slides in the direction of arrow E shown in FIG. Further, the tableware 100 is transported by the conveyor 20 in the direction of arrow B shown in FIG.

As described above, according to the dishwasher according to one embodiment of the present invention, since the separation type conveyor 21 shown in FIG. 2 is provided, the flat portion 10b shown in FIG.
And a conveyor 10 in which an inclined portion 10a is integrally formed.
In comparison with the above, the effect that the change in the design of the conveyor due to the change in the shape of the immersion sink 1 and the lifting sink 8 is not required is obtained. Further, according to the dishwasher according to one embodiment of the present invention, since the above-mentioned design change is not required, there is obtained an effect that the versatility of the assembling method and the maintenance method is high in design. In addition, according to the dishwasher according to the embodiment of the present invention, since the slide buffer device 22 is provided, an effect is obtained that the tableware 100 can be prevented from being damaged by a drop impact force.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. Even if present, it is included in the present invention. For example, in the dishwasher according to the above-described embodiment, an example in which the drop impact force of the tableware 100 is absorbed by the elastic force of the springs 27, 27,... Shown in FIG. Instead of using the springs 27, 27,..., An electromagnet or a permanent magnet) may be used to utilize the repulsive force. In this case, the springs 27, 27 shown in FIG.
, Instead of the N pole (or S
Pole), on the other hand, the N pole (or
S pole) may be provided.

[0028]

As described above, according to the first aspect of the present invention, the first conveyor means and the second conveyor means, which are conventionally integrated, are separated from each other, so that the size of the water tank or the like is increased. Even if there is a change, the design change of the first and second conveyor means is not required, so that the versatility of the assembling method and the maintenance method can be obtained in terms of design. According to the second aspect of the present invention, the drop impact force when the tableware conveyed by the second conveyor means falls is absorbed by the elastically supported sliding plate, so that the tableware is damaged. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a plan view showing a configuration of a dishwasher according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line X1-X1 'shown in FIG.

FIG. 3 is an enlarged side view showing a configuration near a sliding shock absorber 22 shown in FIG. 2;

FIG. 4 is an enlarged plan view showing a configuration near a sliding shock absorber 22 shown in FIG.

FIG. 5 is a plan view showing a configuration of a conventional dishwasher.

6 is an enlarged sectional view taken along line X0-X0 'shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Immersion sink 2, 9 Water tank 3 Jet nozzle 8 Raising sink 11 Washing machine 21 Separate type conveyor 22 Sliding shock absorber 23 Base part 24 Sliding plate 25 Cylindrical member 26 Support member 27 Spring 100 Tableware

Claims (2)

[Claims] 1. A dishwasher having a water tank for washing dishes and washing means for washing the washed dishes, wherein the dishwasher is disposed inside the washing means and belt-conveys the dishes. 1 conveyor means, one end of which is near one end of the first conveyor means,
A linear second conveyor means which is provided obliquely to the water surface in the water tank so that the other end is located in the water tank, and belt-conveys the tableware in the water tank. Dishwasher characterized by the following. 2. A sliding plate disposed so as to bridge one end of said first conveyor means and one end of said second conveyor means, and in the vicinity of one end of said second conveyor means. The dishwasher according to claim 1, further comprising: a supporting means fixedly mounted and elastically supporting the sliding plate so as to be able to vibrate freely.