JP3068761U - Automatic dishwasher - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide an apparatus for efficiently cleaning the inner and outer surfaces of tableware conveyed by an intermittent conveyor. SOLUTION: A cleaning brush 7 rotated by a hydraulic turbine 11 and raised and lowered by an elevating means is provided below an intermittent conveyor 1 so that an inner surface of tableware 2 on the intermittent conveyor 1 can be brush-cleaned. A dishwashing outer surface cleaning means 16 comprising a rotary washing brush 22 rotated by the hydraulic turbine 17 and a pipe 24 for ejecting the drainage of the hydraulic turbine 17 from above the rotary washing brush 22,
Hot water jetting means 30 for jetting hot water from above and below the intermittent conveyor 1 is provided before and after the tableware outer surface cleaning means 16 in the traveling direction of the intermittent conveyor 1.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The idea is to use a rotating cleaning brush that brushes the inner surface of used tableware that is intermittently conveyed by a conveyor, a rotating cleaning brush that brushes the outer surface of the tableware, and hot water injection from the cleaning nozzle pipe. The present invention relates to an automatic tableware brush cleaning device.

[0002]

[Prior art]

 Conventionally, used dishwashers have been used to wash hot dishes with hot water jet nozzles arranged above and below used dishes that have been conveyed by an intermittent conveyor to wash off dirt attached to the dishes. In addition, there is an automatic dish brush cleaning device that enhances the cleaning effect. A brush consisting of a fiber bundle attached to the tip of the shaft below the intermittent conveyor, or a rod-shaped silicon rubber attached to the base attached to the tip of the shaft. A brush made up of a plurality of linear materials made of e.g., etc. is arranged, and the shafts of these brushes can be moved up and down. The inner surface of the tableware is brushed by rotating the brush while blowing hot water, and then the shaft is lowered, the tableware is stopped at the next position by the intermittent conveyor, and hot water is sprayed from above and below the tableware using the hot water injection nozzle to wash the tableware. ing.

[0003]

[Problem to be solved by the invention]

 In recent years, menus have been diversified at school lunch sites, and contaminants on items to be washed, such as tableware, have also diversified. In particular, dirt in which starch, oils and fats, and seasonings are entangled has strong tackiness and fluidity, and is very difficult to clean.

In the washing of used tableware, cleaning is not sufficient only by the above-mentioned conventional hot water injection nozzles using the upper and lower hot water injection nozzles. Then, the inner surface of the tableware to which the dirt is most adhered is brushed by using the above-described vertically moving and rotating cleaning brush to remove most of the dirt.

[0005] However, although little dirt is observed on the outer surface of the tableware at the end of the meal, the used tableware is sent to the washing site in a pile and separated into individual pieces by the tableware separator. It is transferred to a conveyor and sent to a cleaning device by an intermittent conveyor. When used tableware is stacked, dirt that has adhered to the inner surface of the tableware partially adheres to the outer surface of other tableware that has been stacked.

[0006] The above-described vertically rotating cleaning brush is used for brushing only the inner surface of the tableware. The subsequent hot water injection from above and below with the upper and lower hot water nozzles is effective for cleaning the inner and outer bottom surfaces of the tableware. Ineffective for cleaning the outer surface. In particular, it is often the case that other types of dishes are simultaneously placed on a conveyor for washing, but in that case, it is almost impossible to exert a hot water jetting action on the outer surface of the dishes located between the dishes. . Even if a plurality of spray nozzles having different spray angles are arranged above, as shown in FIG. 2, the dishware 2 placed above the intermittent conveyor 1 and stopped is provided with the hot water below. A table holder 5 is provided so as not to be lifted and moved by the injection of hot water from the injection nozzle 3, and there is a conveyor guide or the like (not shown). I can't do it.

In order to solve the above-mentioned problem, the present invention provides a brush cleaning unit for brushing the inner surface of the tableware, a rotating brush for brushing the outer surface of the tableware, and a hot water jet nozzle pipe. An object of the present invention is to provide an automatic tableware brush cleaning device that is effective for cleaning for removing dirt adhered to the inside and outside of tableware by cleaning with hot water nozzles.

[0008]

[Means for Solving the Problems]

 An intermittent conveyor for sequentially transporting used tableware one by one, and a cleaning brush having one or a plurality of cleaning water outlet holes communicating with the hollow shaft are connected to the tip of the hollow shaft. A brush cleaning section is formed by connecting to the driving means of the cleaning brush constituted by a turbine, and the brush cleaning section is connected to the lifting / lowering means, and a dish holding means is provided at an upper facing portion of the brush cleaning section. With this arrangement, the brush cleaning unit is raised, and the cleaning brush is capable of brush-cleaning the inner surface of the tableware while spraying cleaning water on the inner surface of the tableware. It is above the intermittent conveyor at an upper position, can rotate in the direction opposite to the traveling direction of the dishes on the intermittent conveyor, and One or a plurality of rotary cleaning brushes, on which a linear material capable of enclosing the circumference is implanted, are detachably connected to a shaft, and are connected to rotary drive means constituted by a hydraulic turbine. A washing nozzle pipe for spraying washing water on the outer surface of the dish is provided at a position parallel to or above the rotating washing brush to prevent floating of the dish on the intermittent conveyor below the one or more rotating washing brushes. For washing the outer surface of the tableware with a pair of bars for washing the outer surface of the tableware by brushing the outer surface of the tableware with cleaning water; and cleaning the inner and outer surfaces of the tableware before and after the tableware outer surface cleaning means. An automatic tableware brush cleaning device is composed of a cleaning nozzle pipe that can spray water and a.

In the above-mentioned dish outer surface washing means, a washing nozzle pipe for spraying washing water to the outer surface of the dish is connected to a hydraulic turbine constituting the dish outer surface washing means, and the drainage of the hydraulic turbine is washed. The water is led out to the washing nozzle pipe, and the washing water spouted from the washing nozzle pipe is sprayed on the outer surface of the dish and the rotary washing brush constituting the dish outer surface cleaning means.

In the above automatic dish brush cleaning apparatus, the rotary cleaning brush constituting the dish outer surface cleaning means has a plurality of cleaning water blowing holes at a flock interval of the rotary cleaning brush, and rotates the rotary cleaning brush. The shaft to be driven is hollow, and has a washing water outlet corresponding to the washing outlet of the rotary washing brush, so that the shaft can extract the drainage of the hydraulic turbine according to claim 1. I do.

[0011]

[Embodiment of the invention]

 An embodiment of the present invention will be described with reference to the drawings. In a washing apparatus for implementing the present invention, first, for a step of washing the inner surface of the tableware 2, a cleaning brush which rotates up and down by a lifting means (not shown) using a cylinder is provided below the intermittent conveyor 1 which conveys the tableware 2. Provide.

[0012] The cleaning brush is configured such that bundled fibers are concentrically erected on a base at the tip of a hollow shaft, a hole communicating with the hollow of the shaft is provided at the center of the base, and the shaft is rotated by a motor. It is possible to use one that cleans while squirting warm water from the hole through the inside.

[0013] However, the cleaning brush is difficult to clean dirt between the fibers, and the fibers fall down, and the cleaning effect is poor. Since the motor uses a motor, it is necessary to waterproof the motor. In order to solve the above problem, the applicant has developed a washing brush which is rotated by a hydraulic turbine and disclosed in Japanese Patent Application Laid-Open No. H8-24193. In the cleaning device according to the present invention, it is preferable to use the cleaning brush.

FIG. 2 shows the vertically moving and rotating cleaning brush. The cleaning brush 7 includes a number of linear members 10 made of silicon rubber formed in a rod shape on a base 9 attached to the tip of a shaft 8. The shaft 8 is hollow, is connected to the hydraulic turbine 11, and is directly connected and fixed to the shaft of the rotor 12 of the hydraulic turbine 11. The cleaning brush 7 and the hydraulic turbine 11 constitute a brush cleaning unit.

A water supply pipe 14 is attached to a casing 13 of the hydraulic turbine 11, and the hot water sent from the water supply pipe 14 rotates the rotor blades 12, and rotates the shaft 8 in conjunction therewith.

The shaft 8 is hollow and communicates with the inside of the casing 13. The base 9 is provided with a washing water outlet 15 at the center or at a plurality of locations. And blows upward through the washing water outlet hole 15 of the substrate 9 through the hollow of the substrate 9.

In the traveling direction of the intermittent conveyor 1, one or more hot water jet nozzles 3 and one or more hot water jet nozzles 4 are provided above and below the intermittent conveyor 1, respectively, in front of the position of the cleaning brush 7. The hot water is sprayed on the inner and outer surfaces of the tableware 2 on 1.

Further, at the front of the intermittent conveyor 1 in the traveling direction and above the intermittent conveyor 1, a dish outer surface cleaning means 16 is provided. As shown in FIG. 4, the dish outer surface cleaning means 16 has another gear 19 meshed with a gear 18 mounted on the shaft of the rotary wing 12 of the hydraulic turbine 17 and is detachably connected to a shaft 20 of the gear 19. Rotary washing brushes 22 are provided at a plurality of positions on the shaft 21, and a pipe 24 is attached to a casing 23 of the hydraulic turbine 17. The pipe 24 is positioned parallel to the shaft 21 above each brush 22, and each rotation of the pipe 24 is A hot water jet hole 25 or a nozzle is provided at a position facing the brush 22, a water distribution pipe (not shown) is attached to the hydraulic turbine 17, and a rotating blade (not shown) in the hydraulic turbine 17 is rotated by the hot water sent through the water distribution pipe. The gears 18 and 19, the shafts 20 and 21 and the rotary cleaning brush 22 are rotated, and at the same time, hot water is sent to the pipe 24 and the hot water is spouted from the hot water ejection hole 25. Jetted onto the cleaning brush 22. The rotation direction of the rotary cleaning brush 22 is opposite to the rotation direction of the intermittent conveyor 1, that is, the rotation direction of the clock hand in FIG. The reason why the shaft 21 is made detachable is to make it easy to clean and clean the rotary cleaning brush 22 by removing the shaft 21.

Two pipes 24 may be provided above both sides in the traveling direction of the intermittent conveyor 1, and hot water may be injected from obliquely above or beside the tableware 2 on the intermittent conveyor 1. Further, the pipe 24 may be used in combination with one that injects hot water from above the tableware 2 and one that injects hot water from obliquely above or beside the tableware.

FIG. 5 shows another embodiment of the dish outer surface cleaning means. That is, similarly to the embodiment of the dish outer surface cleaning means described above, a pipe 20 a is adopted as the shaft (shaft) 20, and the shaft 20 is provided at the spacing between the bristle planting portions of the linear cleaning brush 22. A washing water blowout hole 27 is provided, the pipe 26 is fitted on the outside of the pipe 20a, and when the rotary washing brush 22 is fixed to the pipe 20a by a pair of stop collars 28, the pipe 20a is flush with the washing water blowout hole 27. The cleaning water outlet hole 29 is provided at the position, and the discharge water is guided through the pipe 20a to the cleaning water blowing hole 27 of the rotary cleaning brush 22 by the rotation of the rotor blade of the hydraulic turbine 17, and the rotary cleaning brush is provided. With the rotation of 22, the washing water can be blown out. One or more rotary cleaning brushes 22 are attached to the pipe 20a as described above.

The linear material implanted on the rotary cleaning brush 22 constituting the dish outer surface cleaning means 16 may be the same as that used for the dish inner surface cleaning means.

[0022] The dish outer surface cleaning means and the dish inner surface cleaning means may be disposed so as to face up and down.

A hot water jetting means 29 for an intermediate washing step is provided before and after the dish outer surface cleaning means 16, preferably in the immediate vicinity of the dish outer surface cleaning means 16, with the jetting directions facing each other across the intermittent conveyor 1. The hot water jetting means 30 may be one in which an outlet is provided in a hot water distribution pipe, but it is preferable to employ a washing pipe having a plurality of washing water jetting nozzles.

A rinsing finish cleaning means 31 having a fountain hole facing the intermittent conveyor 1 may be provided further forward in the traveling direction of the intermittent conveyor 1. If a large number of jet holes or jet nozzles are provided in the hot water jetting means 26, the rinsing finish cleaning can be performed by using such a large number of jetting holes or jet nozzles. Therefore, the special rinsing finish cleaning means 30 may be omitted.

In the dish inner surface cleaning means, there is provided a dish holder 5 for holding the dish 2 above the washing brush 7 to stabilize the posture of the dish 2 during washing. Similarly, in the dishwashing means, a dish holder 5 composed of a pair of bars for stabilizing the posture of the dish 2 during washing is provided.

Before the inner surface of the dish 1 is washed by the washing brush 7 in the dish inner washing means, as shown in FIGS. 1 and 3, the nozzle 32 is connected to the casing 13 of the hydraulic turbine 11 to supply water. The hot water sent into the casing 13 by the pipe 14 is sprayed with the nozzle 32 toward the inner surface of the tableware 2 placed downward on the intermittent conveyor 1 to wash the inner surface of the tableware 2 roughly. Preferably it is possible to do so.

As shown in FIG. 3, the lifting and lowering means of the cleaning brush 7 has an end opposite to the traveling direction of the intermittent conveyor 1 on a shaft 33 provided in a direction perpendicular to the traveling direction of the intermittent conveyor 1. The hydraulic turbine 11 is supported by the swing member 34 so as to be swingable in the vertical direction by rotation, and the vertical rotating brush 7 fixed to the shaft of the rotor blade of the hydraulic turbine 11 is raised and lowered by the vertical swing of the swing member 34. It is preferable to adopt a configuration in which:

It is effective to select a temperature of the washing water of 60 ° C. to 75 ° C. when cleaning dirt having strong adhesiveness and fluidity.

[0029]

[Effect of the invention]

 The device according to the present invention can automatically and efficiently remove dirt adhering to the inner bottom surface and the outer bottom surface and the outer side surface of used tableware.

[0030] The device according to the present invention can spray the drainage of the hydraulic turbine from the washing nozzle pipe to the outer surfaces of the brushes and dishes, so that an appropriate frictional force for removing dirt between the brushes and dishes is maintained. The brush can be effectively cleaned, and the dirt attached to the brush can be removed by the rotating force of the brush and the action of the cleaning water, thereby improving the sanitary effect of the brush.

When cleaning the outer surface of the low tableware, it is necessary to prevent the length of the planted linear material from being lengthened and the distance between the brush and the cleaning water jetting means to be increased, thereby reducing the effect of the cleaning water. By spraying the cleaning water from the brush, this problem can be solved and effective cleaning can be performed.Even if the height of the cleaning device is limited, it can be easily integrated into the cleaning device. I can do it.

[Brief description of the drawings]

FIG. 1 is an overall explanatory view of an apparatus according to the present invention.

FIG. 2 is a cross-sectional view of a cleaning brush and its driving means.

FIG. 3 is an explanatory view of a lifting / lowering means of a cleaning brush.

FIG. 4 is an explanatory view of a dish outer surface cleaning means.

FIG. 5 is an explanatory view of a dish outer surface cleaning means of another embodiment.

FIG. 6 is an explanatory view of conventional dishwashing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intermittent conveyor 2 Tableware 3 and 4 Hot water nozzle 5 Tableware holder 6 Dirt 7 Washing brush 8 Shaft 9 Substrate 10 Linear material 11 Hydropower turbine 12 Rotary wing 13 Casing 14 Water supply pipe 15 Washing water lead-out hole 16 Tableware outer surface cleaning means 17 Hydraulic turbine 18, 19 Gear 20, 21 Shaft 22 Rotating Washing Brush 23 Casing 24 Pipe 25 Hot Water Spouting Hole 26 Pipe 27 Washing Water Spouting Hole 28 Stop Collar 29 Washing Water Outlet 30 Hot Water Spouting Means 31 Rinsing Finishing Cleaning Means 32 Nozzle 33 Shaft 34 Swing Element

Claims (3)

[Utility model registration claims] An intermittent conveyor for sequentially transporting used tableware one by one and a cleaning brush having one or a plurality of cleaning water outlet holes communicating with the hollow shaft at a tip of the hollow shaft; The lower end of the brush is connected to a driving means of the cleaning brush constituted by a hydraulic turbine to form a brush cleaning section, the brush cleaning section is connected to a lifting / lowering means, and a dish holder is provided on an upper facing portion of the brush cleaning section. By providing the means, the brush cleaning section is raised, and the cleaning brush is capable of brush-cleaning the dish inner surface while spraying cleaning water on the dish inner surface; and a front or front of the dish inner cleaning means. At a position behind or above the intermittent conveyor, it can rotate in the direction opposite to the direction of travel of the dishes on the intermittent conveyor, and One or a plurality of rotary cleaning brushes in which a linear material capable of enclosing the outer periphery of the vessel is implanted, and which is detachably connected to a shaft, and is connected to rotary drive means constituted by a hydraulic turbine; A washing nozzle pipe for spraying washing water on the outer surface of the dish at a position parallel to or above the rotating washing brush of
Alternatively, a pair of bars may be provided above the tableware below the plurality of rotary cleaning brushes to prevent the tableware from floating on the intermittent conveyor, and the outer surface of the tableware can be brush-washed while spraying cleaning water. Means for cleaning the outer surface of tableware;
A washing nozzle pipe capable of spraying washing water on the inner and outer surfaces of the dish before and after the dishwashing means,
An automatic tableware brush cleaning device comprising: 2. The dishwashing means according to claim 1, wherein a washing nozzle pipe for spraying washing water onto the outer surface of the dish is connected to a hydraulic turbine constituting the dishwashing means. The washing water discharged from the washing nozzle pipe is discharged to the washing nozzle pipe as washing water, and the washing water spouted from the washing nozzle pipe is sprayed on the dish outer surface and a rotary washing brush constituting the dish outer surface cleaning means. 2. The automatic tableware brush cleaning device according to 1. 3. The automatic dish brush cleaning apparatus according to claim 1, wherein the rotary cleaning brush constituting the dish outer surface cleaning means has a plurality of cleaning water blowing holes at a flock interval of the rotary cleaning brush, A shaft for rotating the rotary cleaning brush is hollow, and has a cleaning water outlet corresponding to a cleaning outlet of the rotary cleaning brush, and the shaft guides drainage of the hydraulic turbine according to claim 1. The automatic dish brush cleaning device according to claim 1, wherein