JP2016064335A - Washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing device efficiently and effectively performing washing operation without the need of a washer.SOLUTION: Food processing devices S1, S2, and S3 include one or both of a first washing part W1 which has a washing nozzle 19 and can jet operating water supplied from a pump P from the washing nozzle 19, and a second washing part W2 which can jet from a washing nozzle 22, operating water pooled in a washing tank 21 accumulating and pooling operating water supplied from the pump P, and consequently, high-pressure water is jetted using the pump P or the washing tank 21 as a high-pressure washing water pressure source without requiring a washer such as a high pressure washer. Thus, the food processing devices S1, S2, and S3 enable efficient and effective washing operation without the need of a washer.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an improvement of a cleaning apparatus.

  In a food processing apparatus, it is necessary to frequently clean the apparatus with water for hygiene purposes. In order to enable washing with water, a food processing apparatus has been developed that includes a hydraulic actuator, a tank that stores the working water, and a pump that sucks the working water from the tank and supplies the hydraulic pressure to the hydraulic actuator. . In this food processing apparatus, since the working fluid is working water, it can withstand washing of water (see, for example, Patent Document 1).

JP 2002-238444 A

  Conventional food processing equipment is cleaned using water. However, when tap water is guided to the equipment with a hose for cleaning, the water pressure is insufficient and the cleaning operation takes time and the food processing waste is removed from the equipment. There may be cases where sufficient cleaning is not possible, such as being left behind in a gap between parts. If a high-pressure washing machine is used, high-pressure water can be injected into the apparatus, so that the efficiency of the washing operation and good washing results can be obtained, but a washing device is necessary and wasteful.

  Therefore, the present invention was devised in order to improve the above-described problems, and the object of the present invention is to provide a cleaning apparatus that can perform cleaning operations efficiently and effectively without the need for cleaning equipment. is there.

  In order to solve the above-described object, the cleaning device in the problem solving means of the present invention has a cleaning nozzle and is supplied from a cleaning unit or a pump capable of injecting working water supplied from the pump from the cleaning nozzle. Since it has a washing part that can inject the working water stored in the washing tank that stores and stores the working water from the washing nozzle, high pressure water can be injected using the pump or the washing tank as a water pressure source for high pressure washing. In addition, no cleaning equipment such as a high-pressure cleaner is required.

  Further, when the cleaning unit includes a pressure reducing valve that reduces the water pressure supplied from the pump and supplies the pressure to the cleaning nozzle, the pressure of the cleaning water sprayed from the cleaning nozzle is reduced because the pressure is reduced to the pressure required for cleaning. Appropriate and will not hurt equipment during cleaning.

  Furthermore, if the cleaning device is provided with a relief valve that controls the water pressure supplied from the pump to the drive unit, and the cleaning tank in the cleaning unit is pressurized by the pressure downstream of the relief valve, the operation of the drive unit and pump In addition, the pressure in the washing tank can be increased without any influence, and the washing water is sprayed using the internal pressure of the washing tank. Therefore, the cleaning apparatus in this case does not consume extra energy when cleaning the high-pressure water, so that energy saving and running cost are reduced.

  According to the cleaning apparatus of the present invention, a cleaning operation can be performed efficiently and effectively without the need for a cleaning device.

It is the schematic of the washing | cleaning apparatus in 1st embodiment. It is the schematic of the washing | cleaning apparatus in 2nd embodiment. It is the schematic of the washing | cleaning apparatus in 3rd embodiment.

Hereinafter, the cleaning apparatus of the present invention will be described with reference to the drawings using an example in which the cleaning apparatus is applied to a food processing apparatus. In the description of the cleaning device of each embodiment, the same reference numerals are given to members common to some embodiments, and the description is duplicated. Therefore, the members described in one embodiment are different from each other. Description in the embodiment is omitted.
<First embodiment>
As shown in FIG. 1, the cleaning device S <b> 1 of the first embodiment connects a hydraulic actuator A that performs food processing as a drive unit, a tank T that stores working water, and a hydraulic actuator A and the tank T. A water pressure circuit C, a pump P provided in the water pressure circuit C to suck up the working water from the tank T and supply the water pressure to the water pressure actuator A, and a first cleaning unit W1 are provided.

  Hereinafter, each part of cleaning device S1 is explained in detail. In this case, the hydraulic actuator A moves into the cylinder 1, the piston 2 that is slidably inserted into the cylinder 1, and divides the cylinder 1 into the expansion side working chamber 3 and the pressure side working chamber 4. A piston rod 5 that is freely inserted and connected to the piston 2 is provided.

  The extension side working chamber 3 and the pressure side working chamber 4 are connected to the hydraulic circuit C via ports 1a and 1b provided in the cylinder 1, and supply the hydraulic pressure from the hydraulic circuit C to the pressure side working chamber 4 for extension. When the working water is drained from the side working chamber 3, the hydraulic actuator A is driven to extend. Conversely, when the hydraulic pressure is supplied from the hydraulic circuit C to the stretching side working chamber 3 and the working water is drained from the pressure working chamber 4, the hydraulic actuator A is driven to contract.

  As shown in FIG. 1, the water pressure circuit C includes a supply passage 10 that extends from the tank T and is provided with a pump P in the middle to supply water pressure to the water pressure actuator A, and supplies the working water discharged from the water pressure actuator A to the tank T. The return passage 11 to return to, the first control passage 12 connected to the port 1a of the hydraulic actuator A, the second control passage 13 connected to the port 1b of the hydraulic actuator A, and the tank T branched from the supply passage 10 The pressure control passage 14 connected to the first control passage 12 and the supply passage 10 are selectively communicated with one of the first control passage 12 and the second control passage 13 and the return passage 11 is connected to the first control passage 12 and the second control passage 13. A directional switching valve 15 that selectively communicates with the other and a relief valve 16 provided in the middle of the pressure control passage 14 are provided.

  The pump P is provided in the middle of the supply passage 10, and is provided with the suction port connected to the tank T side and the discharge port connected to the hydraulic actuator A side. The pump P is driven by a motor M, sucks up the working water stored in the tank T, and can supply water pressure to the water pressure actuator A through the supply passage 11. As the pump P, various pumps such as a gear pump, a piston pump, and a vane pump can be used.

  The direction switching valve 15 is configured as a four-port three-position switching valve having four ports p, t, a, and b, and the extension side working chamber 3 of the hydraulic actuator A is connected via the first control passage 12. The pressure side working chamber 4 of the hydraulic actuator A is connected to the port b via the second control passage 13, the supply passage 10 extending from the tank T is connected to the port p, and the return passage also extends from the tank T. 11 is connected to the port t.

  In this case, the direction switching valve 15 connects the port p and the port a, connects the port T to the port B, connects the port p and the port b, and connects the port t to the port a. A valve body 15a having a second communication position to be connected and a blocking position for cutting off communication of all the ports p, t, a, b, and a solenoid 15b for switching the position of the valve body 15a are provided. .

  When the direction switching valve 15 takes the first continuous position, the supply passage 10 communicates with the first control passage 12 and the return passage 11 communicates with the second control passage 13. While the water pressure is supplied to the expansion side working chamber 3, the pressure side working chamber 4 and the tank T are communicated to allow drainage from the pressure side working chamber 4, and the water pressure actuator A exhibits contraction operation.

  On the contrary, when the direction switching valve 15 takes the second communication position, the supply passage 10 communicates with the second control passage 13 and the return passage 11 communicates with the first control passage 112. While water pressure is supplied to the pressure side working chamber 4, the extension side working chamber 3 and the tank T are communicated with each other so that drainage is possible from the extension side working chamber 3, and the water pressure actuator A exhibits extension operation.

  Further, when the direction switching valve 15 takes the shut-off position, the return passage 11 is not communicated with either the first control passage 12 or the second control passage 13 from the supply passage 10, and the first control passage 12 and the second control passage 13 are not communicated. Since the passage 13 is not communicated with each other and is placed in a shut-off state, the extension-side working chamber 3 and the pressure-side working chamber 4 are in a state where neither working water can be supplied nor discharged, and the hydraulic actuator A is maintained in a stopped state. In this way, the hydraulic actuator A can be extended, contracted, and stopped by switching the direction switching valve 15 while driving the pump P.

  In this embodiment, the food processing unit is a direct-acting hydraulic actuator A. However, as a rotary actuator such as a conveyor that moves food before and after processing, a hydraulic motor that drives a cutter that cuts food, and the like. Alternatively, the food processing unit may include a plurality of actuators so as to be suitable for processing. When the food processing unit includes a plurality of actuators, if it is desired to drive the actuators independently, it is only necessary to provide the direction switching valve 15 or the number of valves for driving the actuators corresponding to each actuator.

  The pressure control flow path 14 is in the middle of the supply passage 10, branches from between the pump P and the direction switching valve 15, branches from the supply passage 10, and is connected to the tank T. A relief valve 16 is provided in the middle of the pressure control passage 14. The relief valve 16 opens when the upstream exceeds a preset valve opening pressure to release the pressure, and the water pressure supplied from the pump P to the direction switching valve 15 is adjusted to the valve opening pressure. Accordingly, when the pump P is driven to supply water pressure to the water pressure actuator A, the water pressure is controlled by the relief valve 16 to the valve opening pressure of the relief valve 16, and the water pressure actuator A sets the pressure receiving area of the piston 2 to the valve opening pressure. It expands and contracts while demonstrating the thrust of the multiplied value. In this embodiment, the relief valve 16 is a valve that cannot change the valve opening pressure, but may be a relief valve that can change the valve opening pressure, such as an electromagnetic relief valve.

  Subsequently, in the present embodiment, the first cleaning unit W1 includes a cleaning passage 17 branched from the supply passage 10, a pressure reducing valve 18 provided in the middle of the cleaning passage 17, and a cleaning nozzle provided at the tip of the cleaning passage 17. 19 and an on-off valve 20 provided in the middle of the cleaning passage 17.

  When the pump P is driven, and the opening / closing valve 20 is opened with the water pressure actuator A being stopped with the direction switching valve 15 as the shut-off position, the working water discharged from the pump P passes through the pressure reducing valve 18 and passes through the washing nozzle 19. Be injected. The pressure reducing valve 18 is provided in order to make the cleaning water pressure appropriate, and the water pressure of the cleaning water sprayed from the cleaning nozzle becomes appropriate, so that the device is not damaged at the time of cleaning. The pressure reducing valve 18 may be provided when the water pressure required for the cleaning device S1 is too high as the water pressure of the cleaning water, and may be eliminated if it is not too high. A pressure-resistant hose rich in flexibility may be used on the side of the cleaning nozzle 19 from the pressure reducing valve 18 in the cleaning passage 17. The on-off valve 20 can be manually operated, and is preferably provided in the vicinity of the cleaning nozzle 19 so that the cleaning operator can easily operate it. In this way, the cleaning operator can easily switch between high-pressure water injection and stop during operation of the cleaning nozzle 19.

  As described above, in the cleaning apparatus S1, high-pressure water can be injected using the pump P in the apparatus as a water pressure source for high-pressure cleaning, so that not only the cleaning operation can be performed efficiently and effectively, but also in cleaning the apparatus. No cleaning equipment such as a high-pressure cleaner is required. Therefore, according to the cleaning apparatus S1 of the present invention, the cleaning operation can be performed efficiently and effectively without the need for a cleaning device.

  In this cleaning device S1, since the working water necessary for the operation in the device is diverted as the cleaning water, the working water is warmed by the driving of the device to become warm water. The cleaning effect is also high.

  Moreover, in this washing | cleaning apparatus S1, since the working water required for the operation | movement in an apparatus is diverted as washing water, what is necessary is just to replenish the tank T with the working water used for washing | cleaning according to usage amount. The replenishment of the working water may be automatically replenished from an external water source, or may be replenished by the apparatus user.

In the cleaning device S1, the working water reduced by the cleaning is replenished, and the working water itself is replaced. Therefore, the cleaning device S1 can be kept clean and the work of periodically replacing the working water can be saved. .
<Second Embodiment>
It continues and demonstrates washing | cleaning apparatus S2 of 2nd embodiment. In the cleaning device S1 of the first embodiment, the first cleaning unit W1 receives the working water directly from the pump P and jets the cleaning water, but in the cleaning device S2 of the second embodiment, As shown in FIG. 2, the second cleaning unit W2 has a cleaning tank 21 that stores and stores the hydraulic water supplied from the pump P, and the cleaning nozzle 22, and the hydraulic water stored in the cleaning tank 21 Can be sprayed from the cleaning nozzle 22.

  The second cleaning unit W2 is provided in the middle of the branch passage 23 in the middle of the pressure control passage 14 and branched from the downstream of the relief valve 16, the water purification tank 21 connected to the branch passage 23, and the branch passage 23. A check valve 24 that allows only the flow of working water from the relief valve 16 side to the cleaning tank 21 side, a throttle 25 provided downstream from the branch point of the branch passage 23 of the pressure control passage 14, and a branch passage 23, a cleaning passage 26 branched from between the cleaning tank 21 and the check valve 24, a cleaning nozzle 22 provided at the tip of the cleaning passage 26, and an on-off valve 27 provided in the middle of the cleaning passage 26 It is configured with.

  When the pump P is driven and the on-off valve 27 is closed, the working water that has passed through the relief valve 16 flows into the tank T through the throttle 25 and also into the washing tank 21 through the branch passage 23. . By installing the throttle 25, the internal pressure of the cleaning tank 21 gradually increases due to the inflow of the working water, and finally stores the working water until the pressure becomes higher than the tank pressure by the pressure loss of the throttle 25. Squeeze.

  Since the check valve 24 is provided in the middle of the branch flow path 23, the reverse flow from the cleaning tank 21 to the pressure control passage 14 of the working water is prevented. Therefore, even after the pump P is stopped, the cleaning tank 21 is maintained in a state where the working water is stored in the stock pressure state.

  As described above, after the working water is stored in the washing tank 21 in the state of the animal pressure, when the on-off valve 27 is opened, the working water is pushed out from the washing tank 21 by the internal pressure and is injected from the washing nozzle 22. .

  As described above, in the cleaning device S2, the hydraulic pressure supplied from the pump P in the device is used to store the working water in the stocking pressure state in the cleaning tank 21, and when the on-off valve 27 is opened, the cleaning tank 21 operates. Since water can be discharged and high-pressure water can be jetted, not only can the cleaning work be performed efficiently and effectively, but also a cleaning device such as a high-pressure cleaning machine is not required for cleaning the apparatus. Therefore, according to the cleaning apparatus S2 of the present invention, the cleaning operation can be performed efficiently and effectively without the need for a cleaning device.

  Even in the cleaning device S2, the relief valve 16 is provided to control the supply pressure to the hydraulic actuator A, but the working water after passing through the relief valve 16 is merely returned to the tank T, and the hydraulic actuator A Therefore, even if the working water after passing through the relief valve 16 is stored in the washing tank 21 under pressure, the operation of the hydraulic actuator A and the pump P is not affected at all. Does not consume. In addition, since the cleaning water is jetted using the internal pressure of the cleaning tank 21, energy is not consumed. Therefore, the cleaning device S2 does not consume extra energy when cleaning the high-pressure water, so that energy saving and running cost are reduced.

  Even in the cleaning device S2, the working water necessary for the operation in the device is diverted as the cleaning water, so the working water used for the cleaning can be replenished to the tank T according to the amount used. That's fine. The replenishment of the working water may be automatically replenished from an external water source, or may be replenished by the apparatus user.

As described above, the cleaning device S2 is also adapted to replenish the working water reduced by the cleaning, and the working water itself is replaced. Therefore, the cleaning device S2 is kept clean and the working water is periodically replaced. Save time and effort.
<Third embodiment>
Finally, the cleaning apparatus S3 of the third embodiment shown in FIG. 3 will be described. In the cleaning device S3 of the third embodiment, the configuration of the second cleaning unit W2 is added to the configuration of the cleaning device S1 of the first embodiment. That is, the cleaning device S3 according to the third embodiment includes the first cleaning unit W1 and the second cleaning unit W2 in the device S3. Thus, when both the first cleaning unit W1 and the second cleaning unit W2 are provided in one cleaning device S3, the cleaning tank is used when cleaning the device S3 using the second cleaning unit W2. Even if the working water is discharged from 21 and high-pressure cleaning becomes impossible, it is advantageous in that the cleaning operation can be continued using the first cleaning unit W1 by driving the pump P.

  This is the end of the description of the embodiment of the present invention, but the scope of the present invention is not limited to the details shown or described.

DESCRIPTION OF SYMBOLS 16 ... Relief valve, 18 ... Pressure-reducing valve, 19, 22 ... Cleaning nozzle, 21 ... Cleaning tank, A ... Hydraulic actuator as drive part, P ... Pump, S1, S2 , S3 ... Cleaning device, T ... Tank, W1 ... First cleaning unit, W2 ... Second cleaning unit

Claims (3)

A drive unit driven by the supply of water pressure;
A tank for storing working water;
A pump that sucks up the working water from the tank and supplies water pressure to the drive unit via a supply passage;
A cleaning unit that has a cleaning nozzle and is capable of injecting from the cleaning nozzle working water that is supplied from the pump and guided to a branch passage that branches from the supply passage;
The cleaning device includes a pressure reducing valve that reduces the water pressure supplied from the pump and supplies the pressure to the cleaning nozzle. A drive unit driven by the supply of water pressure;
A tank for storing working water;
A pump for sucking the working water from the tank and supplying water pressure to the drive unit;
A cleaning tank that stores the working water supplied from the pump under pressure and a cleaning nozzle, and a cleaning unit that can inject the operating water stored in the cleaning tank from the cleaning nozzle. Characteristic cleaning device. A relief valve for controlling the water pressure supplied from the pump to the drive unit;
The cleaning device according to claim 2, wherein the cleaning tank in the cleaning unit is pressured by a pressure downstream of the relief valve.

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