JPS6049497B2 - Dishwasher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a small-sized dishwasher using a pass-through cleaning process that can be used for household use, whereas conventional dishwashers commonly used for household use are based on a batch process. , (1) It takes a lot of effort to set the tableware for the first time, (2)
) It is necessary to target the items with the greatest soiling, and the cleaning process requires a long time because dirt from one dish is transferred to other dishes during the cleaning process, and (3) batch type However, the one-pass cleaning treatment method is mainly used for commercial purposes, and therefore requires large equipment and is not used for home use, where miniaturization is an absolute requirement. The reality is that we have not yet reached that point.

In accordance with the present invention, a pallet for transporting tableware is supplied to a predetermined position for discharging the tableware corresponding to each tableware discharged from the conveyor of the pass-through washing processing section, and the tableware is accommodated and the tableware is guided in the vertical direction. A pallet-type conveying section provided to be lowered by a groove, and a tableware storage section provided with a storage frame provided in conjunction with the conveying section to transfer the downwardly conveyed tableware and sequentially accommodate them in horizontal rows. This makes it possible to downsize a dishwashing device using a pass-through processing method to a size that can be housed in a small volume housing and to be used for household use, thereby eliminating the drawbacks of the batch processing method mentioned above. The present invention provides a compact dishwasher for household use using a pass-through processing method that eliminates

The structure and operation of the dishwasher of the present invention will be explained in detail below with reference to the drawings.

Fig. 1 is a partially sectional side view showing an overview of the structure and operation of the dishwasher of the present invention, Fig. 2 is an explanatory view of a modified embodiment of the pallet type conveyance section in Fig. 1, and Fig. 3 is This is a partially enlarged detailed explanatory view of FIG. 1, and FIGS. 4 and 5 are cross-sectional views taken along line A-A and line B-B in FIG. 3, respectively. FIG. 6 is an explanatory view of a modified embodiment in the case of brushing cleaning of deep-bottom tableware such as a teacup. 1 is a housing, and 2 is an opening/closing door for taking out washed tableware, which is attached to the lower front of the housing 1.

The upper half of the housing 1 is a cleaning processing section 3, and the lower half is a tableware storage section 4.
A pallet-type conveyance section 5 is arranged at the rear of the housing 1. The cleaning processing section 3 includes a food waste tray 6 with a grid, a conveyor 7, which is detachably attached to the front of the housing 1.
A cleaning agent injection nozzle 8, a cleaning water injection nozzle 9, and, if necessary, a pair of upper and lower cleaning brushes 10, 1' are constituted by a plurality of sets and a cleaning agent tank 11. 12
temporarily stores the wastewater used in the cleaning process and transfers it to the cabinet 1.
This is a wastewater treatment tank for discharging to the outside, and also serves to divide the housing 1 into two upper and lower chambers.

The pallet-type conveyance unit 5 has a pair of vertical guide grooves 15 on both sides for guiding rollers 14 provided on both sides of the upper edge of the pallet 13, and a pair of vertical guide grooves 15 on both sides that guide rollers 16 provided on both sides of the lower edge of the pallet 13 and parallel to the vertical guide grooves 15. One set of vertical guide grooves 17 on both sides, the pallets 13 accumulated along the above-mentioned vertical guide grooves 15 and 17 are always held, while washed tableware discharged from the end of the conveyor 7 is placed at a predetermined discharge position. Detection device 1 that captures
A feeding gear device 19 is activated in response to a signal emitted by the detector 8 to feed out a pallet 13 addressed to one tableware corresponding to one tableware to be discharged, and a timer is activated in response to a signal from the detection device 18 described above. and starts operation, and the feeding gear device 19
A bucket is provided to gently lower the pallet 13 that has been fed out along the vertical guide grooves 15 and 17. It is composed of a screw type conveyor 20. The tableware storage section 4 in the lower half of the casing 1 has a storage frame 21 that is held and fixed slightly diagonally within the casing 1 and that can be pulled out horizontally to the front of the casing 1.
, a heater 22 and a blower (not shown). The storage frame 21 is provided with guide surfaces 23 for the rollers 14 on both sides of the upper edge of the pallet 13 on both upper and inner sides thereof, and guide surfaces 24 for the rollers 16 on both sides of the lower edge of the pallet 13 on both lower and inner sides thereof. The tips of the guide surfaces 23 and 24 are engaged with the corresponding vertical guide grooves 15 and 17, respectively, and the pallets 13 descending by the packet conveyor 20 are
are provided so as to be transferred to the storage frame 21 from the vertical guide grooves 15 and 17 (FIG. 3). Note that 25 and 26 in FIG. 3 are opening and closing doors provided in the vertical guide grooves 15 and 17, respectively, and the roller guide surfaces 23 and 24 of the storage frame 21 are inserted into the grooves to engage with the vertical guide grooves 15 and 17. This is an opening/closing door that can be opened when the vehicle is opened. Next, the order of the cleaning process performed by the dishwasher of the present invention having the above structure will be explained one by one.

The tableware 27 used for the meal is placed face down on the grating of the food scraps tray 6, and the food scraps and other residue are dropped into the food scraps tray 6, and then the dishes 21'' placed on the conveyor 7 are transferred by the conveyor 7. During the process, the inner and outer surfaces are first cleaned by the detergent sprayed from the detergent spray nozzles 8 arranged above and below.
Next, the inner and outer surfaces are thoroughly rinsed with water or hot water sprayed from a plurality of spray nozzles arranged above and below, and then transferred to a predetermined discharge position at the end of the conveyor. In order to achieve this cleaning process more actively and within a short time, it is possible to improve the cleaning efficiency by disposing a plurality of sets of rotating brushes 10, 1' in the upper and lower parts as shown in the first figure. I can do it. Next, a detection device 18 installed at a predetermined discharge position at the end of the conveyor 7 detects the discharge of the tableware 27 and issues a signal. Upon receiving this signal, the pallet dispensing gear 19 operates to dispense one pallet 13. The pallet 13 that was made is the tableware 27
The pallet 13 falls to the vicinity of the predetermined discharge position, and the pallet 13
The shaft of the lower edge roller 16 is the packet type conveyor 20.
It engages with the packet-shaped protrusion 2' of the pallet, temporarily stops, and is gently lowered by the operation of the packet-type conveyor 20, which is adjusted to start operating slightly later than the delivery of the pallet 13 via a timer. The conveyor 7 of the cleaning processing section is moved at the same time as the above-mentioned temporary stop of the delivered pallet 13 and then the start of operation of the conveyor 20.
The washed dishes 27 transferred by the conveyor 7 are transferred to the pallet 13, which is temporarily stopped near the predetermined discharge position of the conveyor 7, as shown in FIGS. 1 and 3. As the conveyor 20 operates, the pallet 13 carrying the tableware 27 in this manner descends to the tableware storage section 4 in the lower half of the housing 1 while maintaining its engaged state with the packet-shaped protrusion 2'. do. The storage frame 21 is placed in a predetermined position in the tableware storage section 4 in advance, and the tips of the upper and lower roll guide surfaces 23 and 24 provided along the inside of both inner walls of the storage frame 21 are inserted into the vertical guide grooves 15 and 17, respectively. The rollers 14 and 16 of the pallet 13, which have descended with the operation of the conveyor 20, are connected to the storage frame through the vertical guide grooves 15 and 17, respectively. 21 and guide surfaces 23 and 24, and at the same time transfer to the shaft of the roller 14 and the conveyor 2.
0 is disengaged from the packet-shaped protrusion 2', and the pallet 13, together with the tableware it is loaded on, is released from the storage frame 21. move inward.

The washed tableware 27 that has been sequentially washed as described above and transported on a pallet is sequentially moved along the inclinations of the guide surfaces 23 and 24 of the storage frame 21 together with the pallet 13 and arranged horizontally within the storage frame 21. It is stored in a shape. When the storage frame 21 becomes full with the dishes 27 that are sequentially transferred, the fullness detection device 28 installed at a predetermined location corresponding to the storage frame is activated to notify that the storage frame is full, and most of the devices is provided to stop operating, so at this point the first
As shown in the figure, it is sufficient to arrange the second storage frame 2' on the upper stage and restart the cleaning process.As described above, the tableware storage section 4
A heater 22 and a blower (not shown) are appropriately installed in the housing, and the tableware 27 stored in the storage frames 21, 2'' is sufficiently dried. The tableware 27, which has been washed and sufficiently dried, can be taken out in a timely manner by opening the door 2 and pulling out the storage frames 21, 2'' to the outside of the housing 1. In the embodiment of the dishwasher of the present invention described in , for example, when the tableware is relatively small and has a small diameter relative to the volume, such as a teacup, the storage frame 21 is always filled with one tableware. 1
To store the pallets 13 together, the storage frame 21
In order to deal with this problem and strengthen the function of the tableware storage frame 21, the present invention provides a modification of the pallet-type conveying section 5 as shown in FIG. The tableware 27'' was stored at a predetermined discharge position below the conveyor 7 of the washing processing section 3, and the tableware was lowered via the vertical packet type conveyor 20 and placed in the tableware storage section 4. A pallet-type conveying device is provided so that when approaching the storage frame 21, the tableware 27'' placed on the tower is tilted together with its receiving seat and transferred to the storage frame 21.
It can be installed in parallel or added to the pallet type conveyance device shown in FIG. 1, or independently.

The mechanism for transferring tableware 27'' from the pallet 13'' to the storage frame is as shown in FIG.
The rollers 14 on both sides of the upper edge of the pallet 13'' are aligned with the linear vertical guide groove 17'' that guides the rollers 16'' on both sides of the lower edge.
By bending the vertical guide groove 15'' that guides the tableware 27'' in the forward direction near the predetermined position for transferring the tableware 27'', the roller 14''
The dishwasher of the present invention is provided so that the pallet 13'' is tilted forward and tilted forward.The dishwasher of the present invention also cleans the bottom of deep and low-shaped dishes such as teacups of the same type as the above-mentioned dishwasher. It is advantageous to install a deep-bottom brushing cleaning device 29 as shown in FIG. 6 in the front stage of the cleaning processing section 3 for complete cleaning.

The deep-bottom brushing and cleaning device 29 is provided with a rotating brush 30 having a cap-shaped brush 32 attached to its head that can be raised and lowered by a lifting device 31. As described above, the present invention provides a compact and complete dishwasher for home use using a pass-through cleaning process that eliminates various deficiencies of the conventional batch-type cleaning process.

[Brief explanation of drawings]

Fig. 1 is a partially sectional side view showing an overview of the structure and operation of the dishwasher of the present invention, Fig. 2 is an explanatory view of a modified embodiment of the pallet type conveyance section in Fig. 1, and Fig. 3 is A partially enlarged detailed explanatory diagram of Fig. 1, and Figs. 4 and 5 are A-A and B- of Fig. 3, respectively.
A cross-sectional view of B and FIG. 6 are explanatory diagrams of a modified embodiment in the case of cleaning the bottom of a deep-bottom tableware such as a teacup by brushing. Below is an explanation of the symbols in the drawings. 1: Housing, 2: Door, 3: Washing processing section, 4: Tableware/storage section, 5: Pallet type transport section, 6
: Leftover food tray, 7: Conveyor, 8: Cleaning agent injection nozzle, 9
: Cleaning water injection nozzle, 10, 1': A set of upper and lower rotating cleaning brushes, 11: Cleaning agent tank, 12: Waste water treatment layer, 1
3,13″: Palette, 14,14″:. Palette 13
Guide rollers on both sides of the upper edge, 15,15″: Roller 14,1
4" vertical guide groove, 16, 16": Guide rollers on both sides of lower edge of pallet 13, 17, 17': Vertical guide groove of rollers 16, 16", 18: Discharge detection device for washed tableware, 19
: Panorette 13 feeding gear device, 20: Bucket type conveyor, 2': Packet shaped protrusion of conveyor 20, 2
1, 2": Storage frame, 22: Heater, 23: Storage frame 21
Guide surface for guide roll 14 provided in 24: Storage frame 21
Guide surfaces for the guide roll 16 provided in 25, 26: Opening/closing doors provided in vertical guide grooves 15 and 17, respectively, 27, 27'':
Tableware, 28: Full detection device, 29: Deep bottom brushing cleaning device, 30: Rotating brush, 31: Rotating brush 30
Lifting device 32: A cap-shaped brush attached to the tip of the rotating brush 30.

Claims (1)

[Claims] 1 A pass-through washing processing section ￥3 yen installed to sequentially wash dishes with detergent and rinsing while they are being transported by a conveyor ￥7 yen, and washed tableware discharged from the conveyor ￥7 yen in the washing processing section. A pallet for transporting tableware of ¥13 for each piece is supplied to a predetermined position for discharging tableware, and at that position, the pallet containing the tableware of ¥13 is placed in the vertical guide grooves 15 and 17. A storage frame is provided so that the tableware that descends along the guide grooves 15 and 17 can be transferred from the pallet 13 or together with the pallet and stored in a row sequentially. 2
1. A dishwasher characterized by being equipped with a washed tableware storage section 4 having one or a plurality of washed tableware storage sections 4.