JPH0639632Y2 - Automatic immersion rough cleaning equipment for empty lunch boxes - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) When cleaning a used lunch box (floating in water), the present invention is preliminarily immersed in a warm water tank to form a state suitable for the cleaning process. The present invention relates to an automatic immersion rough cleaning device that can be automatically carried out to the cleaning process.

(Prior Art) In a food service center or the like, it is necessary to prepare a large number of used lunch box empty boxes (made of synthetic resin or the like) for cleaning and drying for next reuse.

By the way, since the rice grains and the like are firmly stuck to the collected empty lunch box, it does not always become clean just by washing with a shower. It is carried out by immersing it in a state suitable for the cleaning process, that is, the conventional work is to immerse it in a warm water tank by hand only, and then manually take it out again and send it to the washing process. Rough washing is being performed.

(Technical problems to be solved by the device) The above-mentioned manual immersion dipping and rough cleaning of a lunch box involves a great deal of labor, and is inefficient and uneconomical. The plan was awaited.

The present invention has been made in order to meet such a demand, and an object thereof is to automatically perform necessary fixed time dipping and take-out after dipping to contribute to improvement of work efficiency and labor saving.

(Means for Solving Problems) As shown in FIG. 1, an elongated elongated hot water tank 1 having an upper opening.
One side 1a is used as a supply point for the lunch box, and a water flow generator 3 for transferring the lunch box w in the state of being suspended in warm water to the other side 1b of the tank while agitating with jet water is provided at the point. Also, while this is in the middle of transfer, the empty box w during transfer is pressed from above and immersed in a suitable constant depth position at the appropriate time on the other side of the tank.
An immersion transfer device 12 that can transfer to the 1b is provided, and the lunch box empty box w transferred by the immersion transfer device 12 is automatically scraped up at the other side of the tank 1b and carried out toward the cleaning process. The carrying-out device 29 is provided.

(Operation) The worker puts the recovered lunch box w into the tableware supply place of the warm water tank 1. These fed lunch empty boxes w are carried by the water flow of the water flow generator 3 toward the immersion transfer device 12, but when they reach the immersion transfer device 12, they are immersed in a constant depth position in water. In this state, it is transferred to the other side 1b of the tank at a required constant speed. As a result, the leftover food etc. stuck to the empty lunch box w will be in a smoky state during this period.
It will be in a state where it has been subjected to a pretreatment (immersion rough washing treatment) so that it can be easily peeled off by washing treatment with a shower or the like, and after that, it is automatically scraped up by the carry-out device 29 and carried out of the tank. It is.

(Example) Hereinafter, a specific example of the present invention will be described with reference to the drawings.

FIG. 1 is a front view of the device of the present invention, and FIG. 2 is a plan view of the device.

In the figure, 1 is an elongated tank which is supported by a support frame 2 and whose upper part is open. In this example, its size is approximately L = 10 m, width B = 1.20 m, depth D = 0.6 m. It is set to. One side 1a of the tank 1 is a portion for supplying an empty lunch box w to be washed, and the water flow generator 3 described below is provided at the portion.

The water flow generating device 3 has a suction pipe 4 having a suction opening 4a on the side wall of the other side 1b of the tank, a filter 5 installed in the middle of the suction pipe 4, a pump 7 driven by a motor 6, and a branch pipe 8. A plurality of nozzles provided at the tip of the discharge pipe 9 and each branch pipe 8.
It is composed of 10 and 11, through which hot water in the tank is caused to flow from the tank one side 1a to the tank other side 1b. In addition,
Each of the nozzles 10 and 11 of this example is opened at a position lower than the free surface s of the hot water in the tank, and some of the nozzles 10 are provided on the side wall in the longitudinal direction of the tank so that the injection direction is oblique. And
Others 11 are provided on the side wall of the tank one side 1a such that the injection direction is toward the tank other side 1b. However, partial eddy currents are also generated by these. Although not shown, valves are provided at appropriate positions of the suction pipe 4 and the discharge pipe 9.

Reference numeral 12 is an immersion transfer device provided in the water flow in the tank, and in this example, it is configured as follows. That is, the frame 13 is formed so as to extend between the upper edges of the side walls of the tank 1.
From the submerged conveyor device 14 is hung down via a plurality of wires 15, and the wire 15 is guided via a pulley 18 to a winding drum 17 where it is driven by the rotation of a manual operating wheel 16 and its base end is It is connected to the drum 17. Further, the submerged conveyor device 14 is provided with a delivery drum 20, a belt drive wheel 21, and a belt guide wheel 22 on a frame body 19 having a rectangular shape in a plan view, and the belt drive wheel 21 and the belt guide wheel 22 have a large number of passages. An endless belt 23 having water through holes and surface projections is wound around, and the peripheral surface of the delivery drum 20 is a short belt having many water through holes and surface projections similar to the endless belt 23. A motor 26, which is formed by winding a drum 24 around the periphery of the drum 20 in a cylindrical shape and is installed on a pedestal 25 that is the same body as the frame body 19.
Is configured so that the belt drive wheel 21 and the delivery drum 20 can be rotated via the bevel gear transmission 26a, the sprocket 27, the chain 28, and the like. At this time, a large number of scraping plates f are formed on the peripheral surface of the delivery drum 20, and the peripheral speed of the delivery drum 20 is set to be higher than the moving speed of the endless belt 23. When the immersion transfer device 12 is used, the manual operation wheel 16 is rotated to displace the submerged conveyor device 14 in the vertical direction m1 while keeping the horizontal posture, and the lower part of the endless belt 23 is submerged from the free surface s of the hot water in the tank. The delivery drum 20 and the endless belt 23 are positioned at a constant depth, and are rotated in the directions of the arrows m2 and m3.

Reference numeral 29 denotes a carry-out device, in which a belt drive wheel 31 and a belt guide wheel 32 are installed on a gutter-shaped frame 30, and an endless belt 33 having a large number of water passage holes is hung on both wheels 31, 32. While being rotated, the belt drive wheel 31 is configured to be rotatably linked to a motor 35 on a pedestal 34 via a sprocket 36, a chain 37, etc., one side 29a of which is in the hot water of the other side 1b of the tank. The other side 29b is extended and arranged outside the bath.

In the figure, 38 is a discharge pipe device for discharging hot water and sediment in the tank from the bottom of the tank 1 as necessary, 39 is a conveyor device equipped with an endless belt 40, and is carried out by the carry-out device 29. This is for supplying the packed lunch empty box w to a cleaning processing device (not shown).

Next, the operation of the above configuration will be described. When the lunch box w is supplied to the one side 1a of the tank 1 under the operating condition of each part of the apparatus, the box w will ride on the flow of the jet water from the nozzles 10 and 11 and serve as the transportation fulcrum of the immersion transfer device 12. Reached, and here endless belt 23
While being engaged with the surface protrusions, the water is sequentially drawn into a constant depth position in the warm water in the tank. The bento empty box w thus drawn in is infiltrated by the lower surface of the endless belt 23 against the buoyancy while being pressed into the hot water in the tank. Then, although it moves according to the traveling speed of the endless belt 23, the rice grains and the like stuck to the lunch box w are sufficiently covered, and a suitable state is achieved in which they can be easily peeled off by a washing process such as a shower. is there. Then, when the conveyance end point of the submerged conveyor device 14 is reached, since the delivery drum 20 rotating at a speed higher than the rotation speed of the endless belt 23 is provided in this part, the lunch box w is Then, it is scraped up and stays in the vicinity of the conveyance end point of the submerged conveyor device 14 and is smoothly transferred to the start end of the carry-out device 29 without any phenomenon.

After that, these empty lunch boxes w are transferred to the endless belt 33 of the carry-out device 29, and on the endless belt 23, the empty lunch boxes w.
Water will drip from these, but these water are endless belt
Water tank 1 dropped on the bottom surface of the frame 30 through the water passage holes 33
Reflux into.

The lunch box w that has reached the end of the transfer device 39 is transferred to the cleaning device disposed at the lower position.

(Effect of the Invention) As is apparent from the above, according to the present invention, the lunch box w can be completely immersed in the warm water tank 1 for a required fixed time and can be automatically taken out of the tank. Compared with the rough washing process by manual work, the work efficiency and labor saving can be remarkably improved, and thus the treatment cost can be greatly reduced.

[Brief description of drawings]

FIG. 1 shows an embodiment of the device of the present invention. FIG. 1 is a front view and FIG. 2 is a partially omitted plan view. (Code) 1 ... Elongated water tank, 1a ... One side of tank, 1b ... Other side of tank, 3 ... Water flow generating device, 12 ... Immersion transfer device, 29 ... Unloading device, w ... Empty lunch box.

Claims (1)

[Scope of utility model registration request] 1. An elongated tank (1) whose upper side is opened has one side (1a) in the longitudinal direction as a charging part of a lunch box (W), and hot water in the tank is jetted to this part to discharge the lunch box (W). ) Is stirred and transferred to the other side (1b) of the tank, and the water box generator (3) is suspended from above to hold the lunch box (W) from above and hold it at an appropriate depth in the tank. Equipped with an immersion transfer device
The immersion transfer device includes an endless belt (23) having a water passage hole and a surface protrusion for transferring the lunch box (W) toward the other side (1b) of the tank, and the moving speed of the endless belt (23). The endless belt (2) is attached to the delivery drum (20) that rotates at a higher speed.
Similar to 3), a belt having a large number of through holes for water passage and a scraping plate f was wound around, and after that, a carry-out device (29) for carrying out the lunch box (W) out of the tank was provided. Automatic immersion rough cleaning device for empty lunch boxes characterized by its structure.