JP4619568B2 - Excavated item washing device and washing method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an excavated item cleaning apparatus and an excavated item cleaning method for cleaning dirt excavated items such as earthenware and removing dirt adhering thereto.
[0002]
[Prior art]
It is necessary to clean the excavated items of earthenware and other buried items by washing and removing dirt. Conventionally, this cleaning operation is carried out by scraping off dirt such as soil adhering to the excavated items such as earthenware while holding the water while hitting with a brush. Even in a single site, there are a lot of excavated items such as earthenware and fragments, and such manual cleaning is inefficient and may damage the excavated items. Therefore, an efficient cleaning method and apparatus are desired. However, it is indispensable to clean the excavated items without damaging the excavated items, and it has been difficult to develop an efficient cleaning method and apparatus that can perform subtle effects.
[0003]
[Problems to be solved by the invention]
The present invention aims to solve these problems and provide a cleaning apparatus and a cleaning method for efficiently cleaning an excavated product without damaging the excavated product.
[0004]
[Means for Solving the Problems]
The gist of the present invention is that a box having a shielding window through which the inside can be seen through and an opening for inserting and operating a hand, and water for injecting fine droplets provided inside the box. It is an excavated item cleaning device that includes a jetting device and that performs an washing operation on an excavated item carried into the box.
[0005]
The shielding window includes a circular transparent plate, a driving device that rotates the transparent plate, and a wiping bar that is fixed to the box and is touched by being touched by the transparent plate inside the box. The transparent plate is rotatable about the central axis of the transparent plate perpendicular to the transparent plate and can be rotated by the driving device.
[0006]
The excavated article cleaning apparatus of the present invention may include a heating unit that heats water to be sent to the water jetting device, and a temperature adjusting unit that adjusts the temperature of the water.
[0007]
The excavated article washing apparatus of the present invention may include a pressurizing unit that pressurizes water to be sent to the water jetting device, and a pressure adjusting unit that adjusts the pressure of the water.
[0008]
The box may include exhaust means.
[0009]
Further, the gist of the present invention is that a container for placing an excavated article on a bottom part, at least a part of which is made of a sieve body, a swingable frame for detachably mounting the container, and the frame It is a pre-cleaning device for excavated goods that includes a vibrating means that vibrates in a substantially horizontal direction and a water jetting means that applies jet water to the excavated goods.
[0010]
Furthermore, the gist of the present invention is that the excavated product washing method includes a step of applying jet water of 40 ° C. or more to a soiled portion of the excavated product with a water jet device while visually checking the excavated product. is there.
[0011]
The temperature of the jet water may be 55 to 70 ° C.
The pressure of the water sent to the water injection device may be 1 to 4 mPa.
The excavated item cleaning method of the present invention is to put an excavated item into a container, and the container is substantially reduced by a vibration means.
A pre-cleaning step of applying jet water to the excavated product by water jetting means while vibrating in the horizontal direction may be included.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The aspect of the excavated item washing | cleaning apparatus which concerns on this invention is demonstrated in detail based on drawing. FIG. 1 is a perspective view of a main part mainly showing an appearance of the excavated article cleaning apparatus 2. The excavated item cleaning device 2 is composed of a box 4. The excavated items are washed in the box 4. The box 4 includes a chamber 6 whose front surface is open and a movable lid 8 that covers the front surface of the chamber 6 whose front surface is open. The lid 8 has a shielding window 10 in the center, and the shielding window 10 is fitted with a transparent plate 11 made of glass, acrylic or the like. The transparent plate 11 is a circular plate-shaped member that is at least partially transparent. The inside of the box 4 can be observed through the shielding window 10. In the box 4, a water ejection nozzle (not shown) that ejects fine droplets is arranged together with a pipe (not shown) connected to the nozzle. The pipe is connected to the water supply pipe 18 from the inside of the box 4.
[0014]
Hot water under pressure is supplied to the water supply pipe 18 so as to be supplied to the nozzle for water injection from the outside. The lid 8 is provided with a pair of openings 12 below the shielding window 10. A working glove 14 is attached to each of the openings 12. The mouth edge 16 of the glove 14 and the peripheral edge 17 of the opening 12 are sealed in the circumferential direction. The gloves 14 are made of a non-permeable material made of rubber or soft plastic. With such a configuration, even if the glove 14 is put into the glove 14 from the outside of the box 4 and the glove 14 is put on and the excavated item is washed in the box 4 by using the water jet device, Do not get wet or get dirty with mud. In addition, since the heat of the washing water is blocked by the gloves, continuous washing work can be performed using warm water. The used washing water is discharged from the drain pipe 19.
[0015]
Note that an illumination unit (not shown) is accommodated in the accommodating portion 46 at the upper part of the box 4 and illuminates to make the inside of the box 4 in operation easy to see. Further, since the inside of the box 4 is cloudy with steam generated from the hot water and the inside becomes difficult to observe, an exhaust means (not shown) for exhausting the box 4 is accommodated in the accommodating portion 46 in order to prevent this. Yes. In the present invention, the use of such an exhaust means is preferable for preventing fogging inside the box body 4.
[0016]
On the side surface of the box body 4, a door 47 is provided for taking in and out samples, that is, excavated items, and performing inspection and maintenance of the inside of the box body 4.
[0017]
FIG. 2 is a schematic cross-sectional view of the main part in the AA ′ direction of the box 4 in FIG. In FIG. 2, a hand is put in from the front side of the lid 8 of the box body 4, that is, from the outside of the box body 4, and the gloves 14 are put on, and the water jet device 20 is used in the box body 4 with the hand. Perform cleaning operations. A flexible pipe 24 is connected to the water injection device 20, and the pipe 24 is connected to the water supply pipe 18 via a flexible joint 28 that can be freely changed in direction. Hot water under pressure is supplied to the water supply pipe 18 by water supply means installed outside the box body 4 to supply the water injection nozzle. The pipe 24 and the flexible joint 28 form a flexible water supply pipe 27.
[0018]
Next, FIG. 4 shows a side view of a water injection device 20 that is suitably used for the excavated item cleaning device 2 of the present invention. The water injection device 20 includes a nozzle 110 from which water is ejected, a water introduction port 112, a water amount adjustment lever 114 for adjusting and turning on and off the water amount of the injection water, and a grip 116. The water inlet 112 is connected to a pipe 24 for water supply. FIG. 5 is a perspective view of the main part showing the shape of the nozzle 110, and the nozzle 110 has an elliptical recess 122 around the outlet of the nozzle hole 120, and the periphery of the outlet of the nozzle hole 120 is the top. A mountain-shaped raised portion 114 having an inclined surface 115 descending to the left and right in the major axis direction is formed. Further, the mountain-shaped raised portion 114 is sandwiched by a pair of wall surfaces 116 from the left and right of the ellipse in the short axis direction. FIG. 6 is a front view (a) and a plan view (b) of the nozzle 110. The reference numerals are the same as those in FIG.
[0019]
With such a configuration of the nozzle 110, the spread 130 of water composed of fine droplets ejected from the nozzle hole 120 spreads in a fan shape in one direction as shown in the plan view of FIG. 5 and FIG. 6 is not limited and spreads by the influence of the wall 116 shown in FIGS. 5 and 6 and the oval depression 122, but spreads only in the direction 1 as shown in the front view of FIG. 7B. It spreads in an oval or elliptical shape.
[0020]
The spray water composed of such fine droplets spreading only in one direction allows the spray water to be uniformly applied to the surface of the excavated product, and the energy of the spray does not concentrate on a specific point. It is preferable that the energy of the injection is excessively concentrated on a specific point on the surface of the excavated product and the surface of the excavated product is not damaged.
[0021]
FIG. 8 shows a flow chart of water supply means for supplying water to the water injection device 20. The water supply means includes a boiler that is a heating means for heating the raw water, a pump that is a pressurizing / water supply means that pressurizes the raw water and sends the raw water to the water supply pipe 18 (FIGS. 1 and 2), and the boiler. And a burner for heating. The pressure of the hot water is adjusted to a predetermined pressure by a pressure gauge, which is a temperature adjusting means, and a pressure adjusting valve provided in the middle of the pipe extending from the pump. The temperature of the hot water is adjusted to a predetermined temperature by adjusting the amount of fuel to be sent to the boiler with a temperature controller as a temperature adjusting means and a fuel preparation valve.
[0022]
In the present invention, the temperature of hot water used for washing excavated items such as earthenware is preferably 40 ° C. or higher because of its strong detergency. A temperature of 55 to 70 ° C. is preferable in that the cleaning power is strong and the glove cannot be heated excessively during the cleaning operation. A temperature of 60 to 65 ° C. is most preferable in that the cleaning power is strong and the gloves are slightly heated during the cleaning operation.
[0023]
The pressure of the hot water supplied to the water jet device 20 to obtain jet water composed of fine droplets can be changed as appropriate depending on the degree of dirt, but it is 1 to 4 mPa (absolute pressure), which damages the excavated products. It is preferable in that it is not performed and effective cleaning is performed.
[0024]
Further, in the excavated item cleaning apparatus of the present invention as shown in FIG. 1, the operator performs the excavation of the excavated item such as the earthenware with both hands while observing the inside of the box 4 through the transparent plate 11. The position and angle of the jet water spray composed of fine droplets can be visually adjusted according to the condition of the dirt on the product. Moreover, the temperature of water and the injection pressure can be adjusted according to the state of dirt of excavated products. Thereby, compared with the conventional system, the excavated product can be efficiently cleaned.
[0025]
Since the excavated item 22 is washed with hot water having a predetermined temperature as necessary, the transparent plate 11 fitted to the shielding window 10 is clouded. Further, the cleaning water adheres to the transparent plate 11 and the inside of the box 4 becomes difficult to see. For this reason, the shielding window 10 is equipped with a wiping bar 30 having a function similar to that of a car wiper. The wiping bar 30 may be configured to move the wiping bar itself like a car wiper. However, in FIG. 1, the wiping bar 30 is fixed to the box 4 and placed on the surface of the transparent plate 11. Then, the circular transparent plate 11 is rotated around the central axis of the transparent plate 11 perpendicular to the surface. This method is preferable because the wiping bar 30 does not move and does not interfere with the cleaning operation.
[0026]
FIG. 3 shows a mode in which the transparent plate 11 is rotated. 3A is a schematic front view of the lid 8, and FIG. 3B is a schematic cross-sectional view in the AA ′ direction of FIG. The transparent plate 11 is rotated by the rotating means 34. The rotating means 34 includes a driving device 36 having a rotating rubber roll 40 and four rolling rolls 41 that respectively roll the transparent plate 11 at four positions on the edge of the transparent plate 11. The peripheral surface of the rotating rubber roll 40 is in contact with the edge of the transparent plate 11, and is rotated by the driving device 36 attached to the plate member 58 to drive the edge of the transparent plate 11. It rotates around the central axis C of the transparent plate 11 indicated by the one-dot chain line in FIG. FIG. 3C shows the engagement relationship between the transparent plate 11 and the transfer roll 41. The rolling roll 41 rolls the transparent plate 11 by fitting the edge of the transparent plate 11 into a fitting groove 54 provided around the circumferential surface of the rolling roll 41. The rolling roll 41 is pivotally attached to a shaft 45, and the shaft 45 is fixed to a plate member 58 that forms the front portion of the lid 8.
[0027]
Furthermore, in the excavated item cleaning apparatus 2 of the present invention, the angle between the front surface of the lid 8 and the bottom surface of the box 4, that is, the inclination angle of the transparent plate 11 can be changed by moving the lid 8. Further, the lid 8 can be moved to open the front surface of the box 4 and the sample can be taken in and out from the opened mouth. This aspect is shown in the schematic side view of FIG. In FIG. 9A, a latching cut 40 is provided on the side surface of the lower end portion of the lid 8. On the other hand, a short bar-shaped latch 42 is attached to the lower portion of the side surface of the box 4 by latching the notch 40. Further, an elongated hole 44 is provided in an arc shape on the side surface of the upper end portion of the lid 8. A short bar-like guide 43 is attached to the upper side of the box 4 so as to engage with the elongated hole 44 and guide the movement of the lid 8. By pushing the front upper portion of the lid 8 toward the inside of the box 4, the lid 8 is guided by the guide 43 that engages with the elongated hole 44 with the latch 42 as a fulcrum, and from the position A to B Move to position. With such a simple operation, the inclination angle of the front surface 44 of the lid 8, that is, the inclination angle of the transparent plate 11 (FIG. 1) can be changed so that the inside of the box 4 can be easily seen.
[0028]
Further, as shown in FIG. 9B, the lid 8 is moved from the position C to the position D by a simple operation of removing the notch 40 and the latch 42 and lifting the lid 8 with the guide 43 as a fulcrum. The front of the box 4 is opened, and the sample can be taken in and out from the opening.
[0029]
As another aspect of the present invention, a configuration in which a rubber disc 85 with a slit is fitted into the opening 12 provided on the front surface of the lid 8 as shown in FIG. A hand is inserted through the slit 87 for operation. It is recommended to put work gloves on the hands. The slits 87 are provided radially from the center of the rubber disk 85. The thickness of the rubber disk 85 is preferably about 2 to 2.5 mm.
[0030]
Although various aspects of the present invention have been described above, cleaning of the excavated earthenware using a conventional brush requires 1 to 3 minutes per piece, while the excavated item cleaning apparatus 2 of the present invention makes it fine. The hot water consisting of droplets can be sprayed evenly over the earthenware, and the washing time can be reduced to 10 to 30 seconds per piece, about 1/6 of the conventional method.
[0031]
Further, the excavated item to be washed contains a large number of pieces of earthenware, and it takes a considerable time to sequentially wash these pieces using the excavated item washing apparatus 2 of the present invention. In the present invention, the time for the main cleaning using the excavated article cleaning apparatus 2 can be shortened by pre-cleaning a large number of samples at once.
[0032]
A mode of preliminary cleaning in the present invention is shown in FIGS. FIG. 11 is a perspective view of the main part of the appearance of the excavated material preliminary cleaning device 70 used for preliminary cleaning. The excavated article preliminary cleaning device 70 has a cleaning container 76 stored in a cleaning chamber 74 of a main frame 72 with legs. The cleaning container 76 has a handle 77 and can be taken in and out of the cleaning chamber 74. At least a part of the bottom 78 of the cleaning container 76 is made of a sieve body 75 such as a mesh, through which water after cleaning, mud and sand contained in the water pass. A sample 79 to be preliminarily cleaned is placed on the bottom 78 of the cleaning container 76, and shower-like water or jet water is sprayed from above by a water jetting means 80 such as a shower nozzle. At this time, the cleaning container 76 is vibrated left and right by the vibration means 81 housed in the machine room 82.
[0033]
Due to this vibration, a large number of samples 79 can be uniformly washed. The amplitude of vibration is preferably 5 to 60 mm. More uniform cleaning is possible when the amplitude of vibration is 20 to 40 mm. The vibration period is preferably 1 to 300 cycles / min. If it is less than 1 cycle / min, there is no effect of spreading the washing water uniformly to each sample, and if the frequency exceeds 300 cycles, the sample moves excessively in the washing container 76, so that the samples or between the sample and the washing container 76 may be used. The sample wall may collide and damage the sample. Most preferably, the frequency is 50 to 100 cycles / min.
[0034]
The porous sheet-like material forming the bottom 78 of the cleaning container 76 is preferably a net using a plastic-coated wire or a bristle wire made of plastic, since the sample is hardly damaged by vibration. It is preferable that the mesh has a roughness of 5 to 15 mesh because the fine excavated product 79 is retained and water is easily removed. Most preferred is 7 to 13 mesh.
[0035]
FIG. 12A is a schematic side view of the excavated item preliminary cleaning device 70 for illustrating a mode in which the cleaning container 76 is vibrated. FIG.12 (b) is sectional drawing of the AA 'direction in explanatory drawing of Fig.12 (a). In FIG. 12, a frame 90 on which a cleaning container 76 is mounted is attached to a main frame 72 via a swing arm 92. The upper end portion of the swing arm 92 is pivotally attached to the stator 94 fixed to the main frame 72, and the lower end portion of the swing arm 92 is pivotally attached to the frame 90. ing. Thereby, the frame body 90 can swing in a substantially horizontal direction. One end 95 of the frame 90 is connected to a crankshaft 99 provided in the crank mechanism 98. The machine chamber 82 houses a crank mechanism 98 and a rotary drive device 100 that drives the crank mechanism 98. When the rotation driving device 100 is driven in such a configuration, the frame body 90 on which the cleaning container 76 is mounted vibrates left and right as viewed in the drawing of FIG.
[0036]
【The invention's effect】
Washing of earthenware that has been excavated using a conventional brush took 1 to 3 minutes per piece, but with the excavated product washing apparatus of the present invention, the washing time was 10 to 30 seconds per piece, compared to the conventional method. It can be shortened to about 1/6.
[0037]
As described above, the excavated item washing apparatus according to the present invention can be used to efficiently wash excavated items such as earthenware.
[0038]
In addition, the excavated item to be washed contains a large number of pieces of earthenware, and it takes a considerable amount of time to sequentially wash these pieces using the excavated item washing apparatus of the present invention. In the present invention, it is possible to shorten the time of the main cleaning using the excavated article cleaning apparatus by pre-cleaning a large number of samples at once.
[0039]
With the excavated item cleaning method according to the present invention, a large number of excavated items such as earthenware can be efficiently washed.
[Brief description of the drawings]
FIG. 1 is a perspective view of an essential part of an outer appearance showing a configuration of an excavated article cleaning apparatus according to the present invention.
2 is a schematic cross-sectional view of an essential part in the AA ′ direction of the excavated article cleaning apparatus of FIG. 1;
3 is a cross-sectional view of a frame portion of a shielding window of the excavated item cleaning apparatus of FIG. 1;
FIG. 4 is a side view of a water injection device used in the present invention.
5 is a perspective view of a main part showing the shape of a nozzle of the water injection device of FIG. 4;
6 is a front view (a) and a plan view (b) of the nozzle of FIG. 5. FIG.
7 is a side view (a) and a front view (b) showing a state of spreading of jet water by the nozzle of FIG. 5;
FIG. 8 is a flow diagram of water supply means used in the excavated product washing apparatus of the present invention.
FIG. 9 (a) is a schematic side view showing an aspect in which the lid is inclined in the excavated item cleaning apparatus of the present invention. FIG. 9 (b) is a schematic side view showing an open / close state of the lid in the excavated item cleaning apparatus of the present invention.
FIG. 10 is a schematic front view showing another embodiment of the excavated product washing apparatus of the present invention.
FIG. 11 is a perspective view of a main part showing an embodiment of the excavated product preliminary cleaning device of the present invention.
FIG. 12 (a) is a schematic side view illustrating the configuration of the excavated product preliminary cleaning apparatus of the present invention. FIG.12 (b) is a principal part sectional view schematic diagram of the AA 'direction of the excavation goods preliminary washing apparatus of Fig.12 (a).
[Explanation of symbols]
2: Excavated item cleaning device 4: Box 8: Lid 10: Shielding window 11: Transparent plate 12: Opening 14: Gloves 16: Mouth portion 17: Peripheral portion 20: Water jetting device 22, 79: Excavated item 27: Sending Water pipe 30: Wiping bar 70: Excavated material pre-cleaning device 75: Sieve 80: Water ejection means 81: Excitation means

Claims (4)

A box having a shielding window through which the inside can be seen, an opening for inserting and operating a hand, and a water injection device for injecting fine droplets provided inside the box. The excavated items brought in are cleaned .
The box includes a chamber whose front surface is open, and a movable lid that covers the front surface of the chamber and has the shielding window formed therein, and an angle formed with the bottom surface is variable.
The shielding window is fixed to the lid of the box in a circular transparent plate, a driving device for rotating the transparent plate, and is touched by the transparent plate inside the lid. An excavated article washing apparatus comprising: a wiping bar configured to be rotatable about the central axis of the transparent plate perpendicular to the transparent plate and rotated by the driving device. The excavated article cleaning apparatus according to claim 1 , comprising heating means for heating water to be sent to the water injection device and temperature adjusting means for adjusting the temperature of the water. The excavated article cleaning apparatus according to claim 1, further comprising a pressurizing unit that pressurizes water to be sent to the water injection device, and a pressure adjusting unit that adjusts the pressure of the water. The excavated article cleaning apparatus according to any one of claims 1 to 3 , wherein the box includes an exhaust means.

Images