TWI747661B - Washing machine - Google Patents

Abstract

A washing machine for washing objects to be washed, comprising a frame, a cleaning unit and a conveying device; the frame has a first cleaning area and a second cleaning area; the cleaning unit includes a first cleaning group and A second cleaning group is respectively arranged in the first cleaning area and the second cleaning area; the conveying device includes two conveying chains and a plurality of positioning units, and the two conveying chains are used to transport the objects to be washed from the first cleaning area Is transferred to the second cleaning zone, where each positioning unit has a supporting part and two clamping parts, the supporting part is used to carry the laundry, and the two clamping parts are used to clamp the laundry; The conveying device delivers the laundry to the first cleaning group and the second cleaning group to complete the cleaning.

Description

Washing machine

The present invention is related to container washing; in particular, it refers to an automatic washing machine suitable for washing a large amount of objects to be washed, taking containers as an example.

Eating is the basic need for human survival. With the increase in the number of eating out in recent years, the number of restaurants has also sprung up. There are more and more diversified dishes for consumers to choose. However, in an era of high competition, a restaurant To operate well, it is necessary not only to pursue the standard of meals, considerate service, and a clean and hygienic environment, but also to find ways to promote the popularity of the restaurant and reduce the cost of the restaurant. Therefore, if the low-tech work can be completed by the machine , Allowing service staff to invest in more valuable things, will surely promote the development of the restaurant.

Before a meal is served, the chef needs to prepare the ingredients and cooking ingredients in advance, and the waiter will order and serve the food. Finally, staff need to check out, clean the table and clean the dishes. Each process costs Very long time and human resources. If simple and repetitive tasks such as washing dishes can be completed by the washing machine, the human resources required for washing dishes can be reduced, and the time and labor costs can also be saved. Used to refine the quality of the restaurant.

Among the existing washing machines, the three most common problems are: the container is not cleaned, the washing machine is running too loudly, and the washing process uses a lot of water. Most households and restaurants still choose manual cleaning to ensure the load. The cleanliness of the container and the comfort of the diners can also implement the environmental protection concept of water conservation. Therefore, if the above problems can be improved, the willingness of humans to use washing machines will be improved, and the convenience of daily life will be improved.

In view of this, the object of the present invention is to provide a washing machine that can effectively clean a large amount of laundry.

In order to achieve the above objective, the present invention provides a washing machine, which includes a frame, a cleaning unit and a conveying device. The frame has a front section and a rear section. The front section and the rear section are defined between There is a first cleaning zone and a second cleaning zone, wherein the second cleaning zone is between the first cleaning zone and the back zone; the cleaning unit includes a first cleaning group arranged in the first cleaning zone, and A second cleaning group arranged in the second cleaning zone, wherein the first cleaning group includes at least one first nozzle for spraying a water column with a first pressure, and the second cleaning group includes at least one second nozzle Used to spray a water column with a second pressure, where the first pressure is greater than the second pressure; the conveying device is arranged on the rack, and is used to deliver the laundry from the front area to the back area, the conveying device It includes two conveying chains and a plurality of positioning units. The two conveying chains are arranged in parallel, and the positioning units are connected to the two conveying chains. Each of the positioning units has a supporting part and two clamping parts, and the supporting part is used for carrying For the laundry, the two clamping parts are used for clamping the laundry.

The effect of the present invention is that the high-pressure water column of the washing unit can effectively remove the sticky matter on the surface of the object to be washed, and the design of the positioning unit enables the object to be washed to be firmly clamped.

In addition, in one embodiment, the present invention includes a muffler device which is arranged on the inner side of the shell, or the connection part of the frame and the shell, or is arranged on the inner side of the shell and on the frame The connection part with the shell to achieve the purpose of effectively reducing environmental noise.

In addition, the present invention also includes a water collection container, which is arranged below the rack to gather water falling from the first cleaning area and the second cleaning area, so as to practice the environmental protection of recycling waste water. idea.

In order to explain the present invention more clearly, a detailed description is given below with reference to preferred embodiments in conjunction with the drawings. Please refer to FIGS. 1 to 4, a washing machine 100 of a preferred embodiment of the present invention includes a frame 10, a conveying device 20 and a washing unit 30. The washing machine 100 is used for washing a large amount of laundry. In this embodiment, the food to be washed takes the plate 200 containing food as an example, but it is not limited thereto.

4 and 5, the frame 10 includes a frame 12 and a shell 14, wherein the frame 12 is formed by connecting a plurality of rods, and the shell 14 is connected to the rods of the frame 12 by a plurality of plates. Become. As defined herein, the frame 12 has a front area A1 connected by partial rods to form an open space on one side, and the frame 12 has a rear area A2 connected by partial rods to form an open space on the other side, and the front area A1 The rear region A2 is located on two different sides of the frame 12. The space enclosed by the framework 12 and the shell 14 defines a first cleaning area B1 and a second cleaning area B2, wherein the first cleaning area B1 is located between the front area A1 and the rear area A2, and the second cleaning area B2 is located between the first cleaning area B1 and the rear area A2.

The conveying device 20 is arranged in the space enclosed by the frame 12 and the shell 14, and is located between the front section area A1 and the rear section area A2. The tray 200 is put in from the front area A1 and placed on the conveying device 20, and the conveying device 20 then delivers the tray 200 to the back area A2. In this embodiment, the conveying device 20 for delivering the tray 200 includes a front rod 21, a rear rod 22, two pairs of guide rails 23, two conveying chains 24, and a plurality of positioning units 25, wherein the front rod 21 is coupled to the On the frame 10 and located in the front section A1, the rear rod 22 is combined with the frame 10 and located in the rear section A2; the two pairs of guide rails 23 are arranged on the frame 10 and located on the front rod 21 and the rear rod 22, each pair of guide rails 23 includes an upper guide rail 23a and a lower guide rail 23b, the upper guide rail 23a is located above the lower guide rail 23b; the two conveyor chains 24 respectively bypass the front rod 21, one pair of guide rails 23 And the rear rod 22, and the front rod 21 and the rear rod 22 are used as turning fulcrums, and a conveying path is formed between the two conveying chains 24.

4, the conveying device 20 further includes a driving motor 26 and a transmission belt 27, the driving motor 26 is arranged under the frame 10, the transmission belt 27 is used to transmit the power generated by the driving motor 26 to the rear The rod 22 drives the rear rod 22 to rotate, thereby causing the two conveying chains 24 to rotate.

In addition, in order to make the conveying of the two conveyor chains 24 smoother, you can choose to have two wheel bodies (not shown) arranged at intervals on the front rod 21 and the rear rod 22, and the conveyor chains 24 are in contact with each other. Go around the wheel.

Please cooperate with FIGS. 5-7. Each positioning unit 25 of the conveying device 20 has a supporting portion 25a and two clamping portions 25b. The supporting portion 25a is used to carry the plate 200, and the two clamping portions 25b are used to clamp For the plate 200, in this embodiment, each positioning unit 25 includes a cross bar 252 and a plurality of clamping members 254. The two ends of the cross bars 252 are respectively fixed to the two conveying chains 24, and each cross bar A plurality of clamping members 254 are fixed on 252, wherein the larger outer diameter part of the cross bar 252 is in contact with the plate 200 and constitutes the supporting portion 25a, and the facing surfaces of the two adjacent clamping members 254 respectively constitute the The clamping portion 25b. In addition, the clamping member 254 in the preferred embodiment is shaped like a wheel, so that the positioning units 25 can not only securely fix the plate 200, but also make the clamping portion There is only a small part of the contact area between 25b and the plate 200, which increases the area where the plate 200 can be cleaned.

In addition, in order to ensure that the tray 200 can be firmly fixed, please refer to FIGS. 4 and 7. The conveying device 20 further includes a plurality of pairs of protective rods 28, which are arranged in parallel on the conveying path and correspondingly arranged on the conveying path. Above the positioning units 25, the setting range of the aforementioned protective rods 28 covers the front area A1, the second cleaning area B2, and the rear area A2. The protective rods 28 are used to clamp the upper half of the plate 200 so that the plate The 200 will not fall sideways, which can effectively prevent the plate 200 from falling.

Please cooperate with FIG. 4, FIG. 8 and FIG. 10, the cleaning unit 30 includes a first cleaning group 31, a second cleaning group 32 and a plurality of pump motors 33. The first cleaning group 21 is arranged in the first cleaning zone B1, the second cleaning group 22 is arranged in the second cleaning zone B2, the pump motors 33 are arranged under the frame 10, and the pumps The pump motor 33 sends water to the first cleaning group 31 and the second cleaning group 32 through the connection of the pipeline. The first cleaning group 31 includes at least one first nozzle 312, the first nozzle 312 has a spray end 312a, and the first nozzle 312 sprays a water column with a first pressure, and the second cleaning group 32 includes at least A second nozzle 322 that sprays a water column with a second pressure, and the first pressure is greater than the second pressure, so that when the plate 200 passes through the first cleaning group 31, the first pressure The water column can wash off the high-adhesive sticky matter from the surface of the plate 200. Then when the plate 200 passes through the second cleaning group 32, the second pressure of the water column causes the residue on the surface of the plate 200 to drip with the water flow. , In order to achieve the purpose of cleaning the plate 200.

It is also noted that, in the preferred embodiment, the first pressure is between 150-200 bar and the second pressure is between 3-8 bar, and the plate 200 is washed through the strong water column of the first pressure to remove the plate. The effect of stickiness on the surface of 200, and the way in which the dish 200 can be cleaned without using a lotion in this embodiment can reduce environmental pollution.

It should be noted that, in order to enhance the cleaning effect, the first cleaning group 31 of this embodiment is provided with a plurality of first nozzles 312, the first nozzles 312 are arranged at intervals on both sides of the conveying path, and the first nozzles 312 The setting angle of the nozzles 312 is adjustable. By adjusting the angles of the first nozzles 312, the effect of cleaning the dishes 200 can be achieved. In addition, the second cleaning group 32 includes a plurality of water pipes 324 and at least two communicating pipes 326, which are arranged on opposite sides of the conveying path. The water pipes 324 are parallel to each other and perpendicular to the two communicating pipes 326, and the One end of the water pipe 324 communicates with one of the communicating pipes 326, the other end of the water pipes 324 is a closed surface, the number of the at least one second nozzle 322 is multiple, and each water pipe 324 is combined with multiple second nozzles 322, and the second nozzles 322 are in communication with the water pipes 324, the two communicating pipes 326 are respectively connected to a pump motor 33, and the two communicating pipes 326 have a removable cleaning function to maintain the washing machine 100 Clean and hygienic.

Another thing to mention is that, as shown in FIG. 5, since the water column pressure of the first cleaning group 31 is relatively strong, in order to enable the dishes 200 to be stably clamped while passing through the first cleaning zone B1, the first cleaning zone B1 A plurality of auxiliary positioning units 29 are further provided. The auxiliary positioning units 29 are fixed on the frame 10 and correspondingly disposed above the positioning units 25. The auxiliary positioning units 29 and the aforementioned positioning units 25 have The auxiliary positioning units 29 include a cross bar 292, a plurality of clamping members 294, and a clamping member 296. The cross bar 292 has the same structure as the cross bar 252, and the clamping members 294 are The clamping members 254 have the same structure, and the clamping member 296 is similar in structure to the clamping members 254. The difference is that the outer diameter of the clamping member 296 is larger than the outer diameter of the clamping members 254. There are a plurality of clamping members 294 and the clamping member 296 on the 292, wherein the clamping members 294 and the clamping members 296 are sleeved on the cross bar 292 in a manner capable of idling relative to the cross bar 292, and the cross bar 292 The part of the rod 292 with the larger outer diameter is in contact with the plate 200 and constitutes a supporting portion 29a. The facing surfaces of the two adjacent clamping members 294 or the clamping members 296 respectively constitute a clamping portion 29b. When the unit 25 is transported under the auxiliary positioning units 29 by the conveyor chain 24, the clamping members 294 and the clamping member 296 bring the plate 200 into the auxiliary positioning units 29 in a rolling manner, so that the plate 200 The upper and lower halves are respectively clamped by two pairs of adjacent clamping portions 25b and 29b, which can ensure that the plate 200 is under the impact of a strong water column and can be stably in the conveying path In addition, compared with the design of the guard bar 28, the auxiliary positioning units 29 increase the area of the plate 200 to be cleaned.

Please refer to FIG. 6, in addition to washing the dishes 200, users can put in different items to be washed according to their needs. For example, the items to be washed can also be a pot 300. In addition, the washing machine 100 can also be used to clean stickiness. High washing items, such as cake molds (not shown), with the flourishing development of desserts, dessert businesses need to clean a large number of cake molds every day, and because the stickies on cake molds are higher than other foods Adhesion, therefore, is difficult to clean, which results in time-consuming and labor-intensive. The strong water jet of the first cleaning group 31 of this embodiment can effectively remove stickies on the cake mold, which is practical and convenient.

In addition, the conveying device 20 also includes a conveyor belt abnormality warning device (not shown). When a plate 200 falls into an improper position during the conveying process and the conveying device 20 is blocked, the conveying device 20 will automatically stop conveying. To ensure that the washing machine 100 operates under normal conditions.

The above is a description of the structure of the washing machine 100 of the preferred embodiment of the present invention, and then the method and effect for washing the dishes 200 will be described later.

Please cooperate with FIG. 4, FIG. 8 and FIG. 10, insert the plate 200 from the front section A1 of the washing machine 100, fix the plate 200 between the positioning units 25, and transfer the plate 200 from the front section through the conveyor chain 24 The area A1 is delivered to the rear area A2. When the plate 200 is delivered to the first cleaning area B1, the water jet sprayed from the first nozzle 312 of the first cleaning group 31 performs the first process of cleaning the plate 200, and then the plate 200 When entering the second cleaning zone B2, the water jet sprayed from the second nozzle 322 of the second cleaning group 32 performs a second process of cleaning the dishes 200, and the finally washed dishes 200 will leave the washing machine 100 from the rear area A2.

In addition, as shown in FIG. 9, the spray end 312a of the first nozzle 312 of the preferred embodiment is connected to a spiral nozzle 314 corresponding to the spiral nozzle 314, which can make the spray shape of the first nozzle 312 solid. The conical shape can achieve the effect of cleaning a large area, and the water flow channel of the spiral nozzle 314 is larger than that of ordinary nozzles, which can effectively avoid foreign matter blockage.

Please cooperate with FIG. 11 to FIG. 13, since the first cleaning group 31 and the second cleaning group 32 require a large amount of water, in order to reduce the waste of water resources, the present embodiment further includes two inclined plates 16, the two inclined plates 16 It is arranged under the frame 10 to collect the water falling from the first cleaning group 31 and the second cleaning group 32. In addition, this embodiment further includes two water collection containers 18, which are arranged under the frame 10 , Used to collect water slipped from the two sloping plates 16, wherein the first cleaning area B1 has a first opening C1 below, the second cleaning area B2 has a second opening C2, and one of the sloping plates 16 is disposed in the front area A1 and inclined toward the first opening C1, another inclined plate 16 is disposed in the rear area A2 and inclined toward the second opening C2, and the two water collection containers 18 are respectively disposed in the first opening C2. Below an opening C1 and the second opening C2, and the two water collection containers 18 are connected to the pump motors 33 to provide water to the first cleaning group 31 and the second cleaning group 32, thereby achieving reuse The purpose of water resources.

In addition, the two water collection containers 18 respectively include an introduction plate 182 and a filter 184. The introduction plate 182 is used to introduce the water falling into the first opening C1 and the second opening C2 into the water filter 184. The water filter 184 includes a filter screen 184a and a plurality of holes 184b, and the filter screen 184a is arranged in the water filter 184 so that water flows through the filter screen 184a of the water filter 184 before dripping into the water filter screen 184b. In the water collection container 18, the filter screen 184a is arranged at a position that can be easily replaced and cleaned by the user. In addition, the water filter 184 also includes a filter warning device (not shown). When the filter screen 184b is blocked, the user can be warned by a warning light or a whistle.

In addition, please refer to FIG. 10, the second cleaning area B2 further includes a third cleaning group 34. The third cleaning group 34 has a water pipe 342 and a negative number of third nozzles 344. The third nozzles 344 are combined with the water pipe. On 342, the third nozzles 344 communicate with the inside of the water pipe 342, and the third cleaning group 34 is connected with purified water for the final rinse of the plate 200, thereby ensuring that the foreign matter on the surface of the plate 200 is washed away.

Please refer to Figure 1, in order to reduce the running sound of the washing machine 100, the washing machine of the present invention can optionally be equipped with a silencer (not shown), the silencer is provided on the inner side of the housing 14 or the frame 12 and the The connection part of the housing 14. In this embodiment, the sound-absorbing device is arranged on the inner side of the housing 14 and the connection part of the frame 12 and the housing 14, and the sound-absorbing device includes sound-absorbing foam and sound-absorbing strips. The foam is attached to the inner side of the shell 14 in a large area, and the sound-absorbing strip is arranged at the position where the frame 12 and the shell 14 are combined, so as to achieve the effect of noise isolation. In addition, the frame 12 of this embodiment has a double-layer sheet metal The structure achieves the effect of blocking noise in a sealed and isolated way.

The above are only the preferred and feasible embodiments of the present invention. Any equivalent changes made by applying the specification of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

[this invention] 100: washing machine 200: plate 300: Pot 10: Rack 12: Skeleton 14: Shell A1: Front section A2: Back section area B1: The first cleaning zone B2: The second cleaning zone 16: Inclined board C1: First opening C2: second opening 18: Water collection container 182: Import board 184: Water Filter 184a: Filter 184b: Hole 20: Conveying device 21: Front rod 22: rear rod 23: Rail 23a: Upper rail 23b: Lower rail 24: Conveyor chain 25: positioning unit 25a: Support part 25b: Clamping part 252: Crossbar 254: clamp 26: drive motor 27: Transmission belt 28: Protective pole 29: auxiliary positioning unit 29a: Support 29b: Clamping part 292: Crossbar 294: Clamping parts 30: Cleaning unit 31: The first cleaning group 312: The first nozzle 312a: Spray end 314: Spiral Nozzle 32: The second cleaning group 322: second nozzle 324: Water Pipe 326: Connecting pipe 33: pump motor 34: The third cleaning group 342: Water Pipe 344: third nozzle

Fig. 1 is a perspective view of a washing machine according to a preferred embodiment of the present invention. Fig. 2 is a perspective view of the washing machine according to the above preferred embodiment of the present invention with the frame and casing omitted. Fig. 3 is a side view of Fig. 2. Fig. 4 is a simplified side view of Fig. 3. Figure 5 is a simplified front view of part B1 of Figure 4; Figure 6 is a simplified front view of part B1 of Figure 4; Fig. 7 is a simplified front view of part B2 of Fig. 4; Fig. 8 is a simplified enlarged perspective view of part B1 of Fig. 4. Figure 9 is a side view of the nozzle of the above preferred embodiment. Fig. 10 is a partial enlarged view of the part marked A in Fig. 2. Fig. 11 is a perspective view of Fig. 2 omitting the upper frame from another perspective. Fig. 12 is a top view of Fig. 11. Fig. 13 is a cross-sectional view along the direction 13-13 in Fig. 12;

200: plate

10: Rack

A1: Front section

A2: Back section area

B1: The first cleaning zone

B2: The second cleaning zone

21: Front rod

22: rear rod

23: Rail

23a: Upper rail

23b: Lower rail

24: Conveyor chain

25: positioning unit

26: drive motor

27: Transmission belt

28: Protective pole

29: auxiliary positioning unit

31: The first cleaning group

32: The second cleaning group

33: pump motor

34: The third cleaning group

Claims (11)

A washing machine used for washing objects to be washed, which includes: A rack with a front area and a rear area. A first cleaning area and a second cleaning area are defined between the front area and the back area, wherein between the first cleaning area and the back area Is the second cleaning zone; A cleaning unit includes a first cleaning group arranged in the first cleaning area, and a second cleaning group arranged in the second cleaning area, wherein the first cleaning group includes at least one first nozzle for spraying A water column with a first pressure, the second cleaning group includes at least one second nozzle for spraying a water column with a second pressure, wherein the first pressure is greater than the second pressure; A conveying device is arranged on the rack to deliver the laundry from the front area to the back area. The conveying device includes two conveying chains and a plurality of positioning units. The two conveying chains are arranged in parallel. The positioning unit is connected to the two conveyor chains, and each positioning unit has a supporting part and two clamping parts, the supporting part is used to carry the laundry, and the two clamping parts are used to clamp the laundry; Thereby, the water jet sprayed from the first nozzle of the first cleaning group performs the first process of cleaning the laundry delivered from the front area to the back area, and then sprays it through the second nozzle of the second cleaning group The water column performs the second process of cleaning on the objects to be washed after the first process of cleaning to complete the cleaning. The washing machine according to claim 1, wherein the frame includes a frame and a shell, the shell is combined with the frame, and the conveying device is arranged in a space enclosed by the shell. The washing machine according to claim 2, comprising a muffler device arranged on the inner side of the housing, or at the connection part of the frame and the housing, or on the inner side of the housing and on the inner side of the housing. The connection part of the frame and the shell. The washing machine according to claim 3, wherein the sound-absorbing device includes the use of sound-absorbing foam or a sound-absorbing strip. The washing machine according to claim 1, wherein the second cleaning group includes a plurality of water pipes, the number of the at least one second nozzle is a plurality, and each water pipe is combined with a plurality of second nozzles, and the second The nozzle communicates with the inside of the water pipe. The washing machine according to claim 1, comprising a water collection container arranged under the frame for collecting water falling from the first washing area and the second washing area. The washing machine according to claim 6, comprising a sloping plate provided between the frame and the water collection container, and the sloping plate guides the water falling from the first cleaning area and the second cleaning area to the water collection container . The washing machine according to claim 7, comprising a water filter connected to the water collection container, and the water filter has a filter screen arranged on the communication path between the water collection container and the water filter. The washing machine described in claim 8 includes a filter warning device for sending a warning message when the filter screen is blocked. The washing machine according to claim 1, wherein the conveying device includes at least a pair of protective rods, the pair of protective rods are arranged in parallel, and the upper half of the object to be washed is sandwiched between them, so that the object to be washed is not Dump sideways. The washing machine according to claim 1, wherein each positioning unit includes a cross bar and a plurality of clamping members, the two ends of the cross bars are respectively fixedly connected to the two conveying chains, and each of the cross bars is fixedly connected There are a plurality of clamping members, wherein the facing surfaces of two adjacent clamping members respectively constitute the clamping portion, and the part where the cross bar contacts the laundry constitutes the supporting portion.

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