JP4190316B2 - Object to be cleaned in cleaning device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an object to be cleaned in a cleaning apparatus. More specifically, the object to be cleaned is suitable for reuse when the object to be cleaned has a hole that leads to the inside, such as a gas meter, or a part requiring protection that is weakly protected by strong cleaning action. The present invention relates to an object transport body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a cleaning apparatus that performs an intended cleaning process by transferring an object to be cleaned through a processing unit such as various cleaning units or a draining unit has been widely known (see Patent Document 1). By the way, the transfer between the processing parts of the object to be cleaned in the prior art is performed by moving only the object to be cleaned, and the cleaning object is fixed in each processing part and each cleaning process is performed. Widely adopted. In this case, workability is not very good because the operation of fixing the object to be cleaned and the operation of releasing the fixation are repeated for each processing unit. In particular, when the object to be cleaned has a hole leading to the inside or a protective part that needs to be protected weakly due to a strong cleaning action, it is necessary to take protective measures for each processing part, further reducing workability. It was a cause. For this reason, a powerful cleaning method using a polishing material or the like has been avoided, and it has been difficult to efficiently remove stubborn dirt.
[0003]
[Patent Document 1]
JP 2000-70876 A [0004]
[Problems to be solved by the invention]
The present invention has been developed in view of the above-described conventional technical situation, and in the cleaning of objects to be cleaned having a hole leading to the inside and a necessary protection part that needs to be weakly protected against a strong cleaning action, In order to protect the parts that need to be protected accurately, transfer the objects to be cleaned to each processing section such as the cleaning section and draining section, and to protect the holes and necessary protection sections leading to the inside of the objects to be cleaned. The purpose is to improve operational efficiency by reducing the required work load.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention provides a cleaning object for carrying out an intended cleaning process by transporting the object to be cleaned while supporting the object to be cleaned in a processing unit such as cleaning and draining disposed along the conveyance path. The blocking member is pressed against the hole that leads to the inside of the object to be cleaned by pressing the blocking member against the hole provided in the object to be cleaned, and / or the covering member is pressed against the protection required portion of the surface of the object to be cleaned. comprising a covering means for covering, Rikomu cleaned by their closure means and / or the covering means has adopted the technical means of holding so as not to shift position. According to the present invention, since the object to be cleaned is transferred to each processing unit while being supported by the transport body, the conventional complicated operation of fixing the object to be cleaned for each processing unit is omitted and the object to be cleaned is omitted. Since each transport body of the object to be cleaned is equipped with a blocking means that closes the hole leading to the inside provided in the object to be cleaned and a covering means that covers the required protection part of the surface of the object to be cleaned, the protective measures in each processing section are also omitted. Therefore, workability can be improved and driving efficiency can be greatly improved. Furthermore, the hole leading to the inside provided in the object to be cleaned is closed by the closing means, and the protection required part of the surface of the object to be cleaned is covered by the covering means, so that it adheres to the surface of the object to be cleaned. Even if strong cleaning is performed to remove stubborn dirt, there will be no trouble. Therefore, it is possible to accurately and efficiently remove stubborn dirt with a strong cleaning action using an abrasive or the like while accurately protecting the protection target portion of the object to be cleaned. In addition, the object to be cleaned is accurately fixed so as not to be displaced by the closing means and the covering means, and the closing means and the covering means themselves also function as holding means for the object to be cleaned. It is also extremely effective in simplifying the structure. The closing means and / or the covering means may be configured to hold or release the object to be cleaned by an operating means disposed outside the processing unit.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The present invention is suitable as a carrier for cleaning a collected gas meter or the like, but is not limited thereto, and can be widely applied as a carrier for various objects to be cleaned. As each processing unit constituting the cleaning apparatus, as in the following example, a first cleaning unit that efficiently removes stubborn deposits by a powerful cleaning action using a cleaning liquid mixed with an appropriate abrasive. Second cleaning that performs a general cleaning process that is lighter than the first cleaning unit on the entire surface of the object to be cleaned using normal cleaning water such as tap water or a cleaning liquid prepared by adding a surfactant as necessary. It is possible to comprise a rinsing cleaning section that rinses the entire surface of the object to be cleaned using fresh water, and a draining section that removes water droplets attached to the object to be cleaned by air blow or the like. Other forms are possible. There are no particular restrictions on the type of cleaning liquid, and various cleaning media are possible. The injection form may form a liquid injection flow, or may be a form in which gas is mixed and injected as a gas-liquid mixed flow. Further, as the cleaning liquid, a heated one may be used, or a vaporized one may be used. Needless to say, according to the type of cleaning, the first cleaning unit and the second cleaning unit may be configured as one cleaning unit as described above. The part that needs to be cleaned of the object to be cleaned is a part where the function may be harmed by the cleaning action while taking into consideration the original function of the object to be cleaned and the display function of the surface of the object to be cleaned. It will be specified by judging whether it is applicable. In addition, with regard to specific protection means, depending on the part designated as needing protection, a covering means that covers a hole leading to the inside provided in the object to be cleaned or a protective part covering the surface of the object to be cleaned is covered. One or both of the means will be selected. The closing means and the covering means can be in a holding state where the object to be cleaned is pressed and in a released state where the object is released, and this switching is configured to be performed by operating means arranged before and after the cleaning processing unit. To do. A plurality of closing means and covering means can be operated by one operation.
[0007]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic plan view illustrating a layout relating to the main part of the cleaning apparatus, and FIG. 2 is a schematic configuration diagram illustrating the inside of the cleaning apparatus. As shown in the figure, in this embodiment, the case where the gas meter recovered as the object to be cleaned is cleaned is illustrated. In the figure, reference numeral 1 denotes a carry-in path for the object to be cleaned 2. As illustrated in FIG. 2, the objects to be cleaned 2 that are sequentially carried in via the carry-in path 1 are set in a carrying body 4 to be described later in the carry-in unit 3, and the inside of each processing unit together with the carrying body 4 in the set state. Transfer and receive the desired cleaning process. Each conveyance body 4 is transferred by appropriate conveyance means 5 such as a chain conveyor. In the present embodiment, a case where an embodiment in which each cleaning process is performed intermittently will be described. The object to be cleaned 2 set on the carrier 4 in the carry-in section 3 is first transferred to the adjacent first cleaning section 6 and sprayed with a high-speed jet flow from the spray nozzle 7, so that stubborn deposits that are hard to fall off are formed. A powerful cleaning process is performed on the adhered part. In the first cleaning section 6, for example, an appropriate polishing material that exerts a physical cleaning action when sprayed onto the surface to be cleaned is mixed, or a cleaning liquid prepared by adding a surfactant or the like as necessary is prepared. Use to perform a powerful cleaning process on the necessary parts. The injection nozzles 7 are arranged on both sides of the article to be cleaned 2 and are configured to be movable up and down and left and right. The number of installations can be increased or decreased according to circumstances. In addition, regarding the spraying form of the cleaning liquid, it may be sprayed and sprayed in the liquid state as described above, or may be sprayed and sprayed as a gas-liquid mixed flow by mixing gas.
[0008]
In the next second cleaning section 8, normal water such as tap water or a cleaning liquid prepared by adding a surfactant or the like as necessary is sprayed at high speed from the spray nozzle 9 to the entire surface of the object to be cleaned 2. Then, a lighter cleaning process than the first cleaning unit 6 is performed. That is, the second cleaning unit 8 performs a lighter cleaning process than the first cleaning unit 6 in that no abrasive is mixed into the cleaning liquid. In addition, the injection nozzle 9 is arrange | positioned at the both sides of the to-be-cleaned object 2, and is comprised so that a movement up and down and right and left is respectively possible. The number of installations is increased or decreased according to circumstances. The to-be-cleaned object 2 that has been subjected to the powerful cleaning process for the stains that are difficult to remove in the first cleaning unit 6 and the cleaning process for the entire surface in the second cleaning unit 8 is subjected to clean water on the entire surface in the next rinse cleaning unit 10. After rinsing, it is transferred to the draining section 11 and the water droplets adhering to the surface of the object to be cleaned 2 are removed by air blow or the like, thereby completing the intended cleaning process. The cleaning units of the first cleaning unit 6, the second cleaning unit 8, the rinse cleaning unit 10, and the draining unit 11 are partitioned by shutters 12 to 16, respectively. In this embodiment, the first cleaning unit 6 and the first cleaning unit In the two cleaning unit 8 and the rinsing cleaning unit 10, the cleaning process is performed simultaneously on each of the two objects to be cleaned 2, and the draining unit 11 performs the draining process on one object 2 to be cleaned. Configured. That is, the cleaning process in the first cleaning unit 6, the second cleaning unit 8, and the rinsing cleaning unit 10 is simultaneously performed on each object to be cleaned 2 that is intermittently moved by the conveying unit 5 every interval. The processing time twice as long as the draining process in the draining unit 11 is used.
[0009]
The to-be-cleaned object 2 which has been drained in the draining part 11 and dried is transferred to the next carry-out part 17, removed from the carrier 4 and sequentially carried out via the carry-out path 18 shown in FIG. 1. . In the present embodiment, the object to be cleaned 2 is transferred from the first cleaning section 6 to the draining section 11 by the transport means 5, and a locking claw provided on a conveyor chain or the like is provided at the rear of each transport body 4. Lock and transfer. The carry-out unit 17 is provided with a lift base 20 configured to be lifted and lowered by a motor 19, and a transport means 21 including a chain conveyor is disposed on the lift base 20. The transport body 4 after the processed object 2 to be cleaned is removed from the unloading unit 17 is moved to the lower stage by the lowering of the lift base 20 by the motor 19 while being placed on the transport means 21. . Thereafter, the transfer body 4 is transferred to the transfer means 22 for circulation, which is also constituted by a chain conveyor or the like, and is transferred to the loading section 3 side. In this case, the number of the transport bodies 4 that are simultaneously transported on the transport means 22 may be about 2 to 3, and the transport bodies 4 have locking claws or the like provided on the transport means 22 on the rear portion. Stopped and transported. A lifting base 24 configured to be moved up and down by a motor 23 is installed at the front side of the transporting means 22, and a transporting means 25 composed of a chain conveyor or the like is disposed on the lifting base 24. After the transfer body 4 transferred on the transfer means 22 is transferred to the transfer means 25 side, the transfer body 4 remains on the transfer means 25 and is moved upward by the raising of the elevating base 24 by the motor 23. It is moved to the remodeling part 26 of the body 4. In the mold changing unit 26, when the size of the object to be cleaned 2 is changed, or when the position of the part that needs to be protected is changed, the type of the carrier 4 is changed as described later. Replacement work is performed. In the figure, reference numeral 27 denotes a potentiometer for changing the mold, which is in contact with the upper end of the carrier 4 and detects the height to obtain data for changing the mold.
[0010]
As shown in FIG. 2, a water supply tank 28 for fresh water is disposed above the draining unit 11 so that fresh water is supplied to a shower nozzle or the like of the adjacent rinse cleaning unit 10 to be used for the rinse cleaning process. It is configured. The used fresh water is collected in the storage tank 30 via the guide plate 29 disposed below the rinse washing unit 10 and the draining unit 11. The used fresh water collected in the storage tank 30 is configured to be supplied to the spray nozzle 9 of the second cleaning unit 8 for use. A filter 31 for filtration is stretched between the driving wheel 32 and the driven wheel 33 below the first cleaning unit 6 and the second cleaning unit 8 so as to be movable. The used cleaning liquid used in the second cleaning section 8 is guided onto the filter 31 for filtration through the guide plate 34, and is disposed below after removing foreign matters such as washed-out deposits. It is collected in the storage tank 35. The used cleaning liquid collected in the storage tank 35 is configured to be supplied to the spray nozzle 7 of the first cleaning unit 6 for use. The used cleaning liquid used in the first cleaning unit 6 is guided to the filter 31 for filtration through the guide plate 36, and after removing foreign matters such as washed-out deposits, is disposed below. It is collected in the storage tank 37 that has been subjected to appropriate processing as necessary and then discarded to the outside. In the figure, reference numeral 38 denotes a storage tank for storing foreign matter such as deposits removed by the filter 31 for filtration.
[0011]
Next, the carrier 4 for the object to be cleaned 2 that is a feature of the present invention will be described in detail. 3 to 6 show the carrier 4 of the article 2 to be cleaned. FIG. 3 is a perspective view showing the carrier 4. FIG. 4 is a front view. FIG. 6 is a cross-sectional view showing the released state. As shown in the figure, the transport body 4 has a flat plate portion 39 on which the object to be cleaned 2 is placed at the lower portion, and guide struts 40 and 41 are erected on both sides of the flat plate portion 39, The lower portions of the movable columns 42 and 43 are fitted into the guide columns 40 and 41 so as to be movable up and down. As shown in FIG. 3, convex strips 44 and 45 are formed in parallel on the lower surface of the flat plate portion 39 and engage with a guide portion formed on the transport path side to guide the transfer of the transport body 4. It is configured as follows. Moreover, while installing the timing pulley under each of the guide pillars 40 and 41 between those ridges 44 and 45, the gear 46 is integrally attached to the timing pulley below the one guide pillar 40, When the timing belt 47 is passed between the timing pulleys and the gear 46 is rotated, both the movable struts 42 and 43 inserted into the guide struts 40 and 41 are configured to move up and down simultaneously. For example, if a feed screw shaft screwed into a female screw (not shown) formed in the shafts of the movable columns 42 and 43 is connected to the timing pulley, the timing belt 47 is rotated by rotating the gear 46. These feed screw shafts can be rotated relative to the female screws of the movable columns 42 and 43 so that the movable columns 42 and 43 can be moved up and down simultaneously. Therefore, when changing the type of the transport body 4 in accordance with a change in the size of the article to be cleaned 2 in the mold changing unit 26, for example, a driving gear (not shown) is advanced and meshed with the gear 46. The mold can be changed by rotating and adjusting the height by moving the movable columns 42 and 43 up and down.
[0012]
A horizontal frame 48 is installed between the movable struts 42 and 43 so as to close a hole leading to the inside of the object 2 to be cleaned, such as a gas passage, an electronic control circuit housing portion, or a strong cleaning action. It is configured to support a covering means that covers a soft material portion such as easily damaged rubber or resin, and a protection required portion such as a printing portion. As shown in the figure, a bearing 49 is provided at the center of the horizontal frame 48, and the lifting shaft 50 is supported so as to be movable up and down. A passive portion 51 is provided at the upper end of the elevating shaft 50. By pressing the passive portion 51 by a pressing member 52 that is driven up and down by a cylinder (not shown) or the like, the closing means and the covering means are released in this embodiment. It is configured as follows. The pressing member 52 is disposed in the loading unit 3 and the unloading unit 17 outside the processing unit, and the object to be cleaned 2 is held or released by pressing or releasing the passive unit 51 by raising or lowering the pressing member 52. It is configured to do. As shown in FIG. 4, the passive portion 51 has one end portion of the swing levers 55 and 56 rotatably supported by the support shafts 53 and 54 installed on the side of the horizontal frame 48, the end portion not shown. Through a connecting shaft 57 inserted through a long hole formed in the long hole, it is connected in a rotatable state with a margin of relative movement in the long hole direction. Similarly, the other end portions of the swing levers 55 and 56 are respectively connected to the bearing portions 62 and 63 installed on the side of the horizontal frame 48 via connecting shafts 60 and 61 inserted through the long holes 58 and 59. With respect to the upper ends of the lifting shafts 64 and 65 supported so as to be able to move up and down, they are connected in a rotatable state with a margin of relative movement in the long hole direction. Further, closing members 68 and 69 for closing the holes 66 and 67 leading to the inside of the article to be cleaned 2 are attached to the lower end portions of the elevating shafts 64 and 65. In addition, springs 70 and 71 are externally fitted between the bearing portions 62 and 63 of the lifting shafts 64 and 65 and the closing members 68 and 69, and the lifting shafts 64 and 65 are connected to the springs 70 and 71. It is urged downward by the action, and the closing members 68 and 69 are pressed against the holes 66 and 67 leading to the inside of the article to be cleaned 2 to maintain the closed state. Incidentally, when the passive portion 51 is pressed by the pressing member 52, the swing levers 55 and 56 rotate about the support shafts 53 and 54, and the lifting shafts 64 and 65 are compressed while compressing the springs 70 and 71. As shown in FIG. 6, the closing members 68 and 69 are separated from the holes 66 and 67 leading to the inside of the article to be cleaned 2 to release the closing state.
[0013]
Further, a contact plate 72 is provided at the lower end of the elevating shaft 50. Support plates 73 and 74 are installed on both side surfaces of the horizontal frame 48, and swing levers 77 and 78 are rotatably supported via support shafts 75 and 76 at their lower ends as shown in FIG. is doing. A spring 79 is stretched between the swing levers 77, 78, and a covering member 80, 81 attached to one end of the swing levers 77, 78 is designated on the surface of the object 2 to be cleaned. In addition, the cover is kept in pressure contact with the protection-required portions 82 and 83 such as an opening portion that communicates with the electronic control circuit. Incidentally, when the passive member 51 is pressed by the pressing member 52, the lifting shaft 50 is lowered, and the swinging shaft 50 is swung through the rollers 84 and 85 that are in contact with the contact plate 72 provided at the lower end portion of the lifting shaft 50. The moving levers 77 and 78 are rotated in a direction to expand against each other against the spring 79, and as shown in FIG. 6, the covering members 80 and 81 are the protection required portions 82 and 83 on the surface of the object 2 to be cleaned. The covering state is released away from the cover. The covering members 80 and 81 can adjust the attachment positions to the swing levers 77 and 78 according to the case where the type of the object to be cleaned 2 is changed and the positions of the protection required parts 82 and 83 are changed. It can be configured as follows.
[0014]
As described above, according to the present embodiment, in the carry-in section 3, the passive section 51 of the empty transport body 4 is pressed by the pressing member 52 to release the closing members 68 and 69 and the covering members 80 and 81. After waiting in the state, the object to be cleaned 2 is transferred from the carry-in path 1 to a predetermined position of the flat plate portion 39 of the transport body 4, and the push-down member 52 is lifted in this state, by the action of the springs 70 and 71. The closing members 68 and 69 are lowered and pressed against the holes 66 and 67 of the object to be cleaned 2 to maintain the closed state, and the swing levers 77 and 78 are rotated in a closing direction by the action of the spring 79. The covering members 80 and 81 are brought into pressure contact with the protection required portions 82 and 83 of the surface of the object 2 to be moved to maintain the covering state, and the setting work of the object 2 to be cleaned to the predetermined position is completed. Will do. Incidentally, in this case, the pressure contact of the blocking members 68 and 69 to the holes 66 and 67 of the object to be cleaned 2 and the pressure contact of the covering members 80 and 81 to the protection required parts 82 and 83 of the object to be cleaned 2 are performed. 2 is utilized as a fixing means for fixing 2 to the carrier 4.
[0015]
Thus, the objects to be cleaned 2 set in the transport body 4 in the carry-in unit 3 in a predetermined state are sequentially placed in the first cleaning unit 6, the second cleaning unit 8, and the rinse cleaning unit 10 in the set state as they are. After performing the cleaning process of the period, after removing the water droplets adhering to the article to be cleaned 2 in the draining part 11, it is transferred to the carry-out part 17. A push-down member 52 is disposed in the carry-out portion 17 so as to be movable up and down. The passive member 51 of the transport body 4 is pushed down by the push-down member 52, and the blocking members 68 and 69 against the springs 70, 71, and 79. And after making the covering members 80 and 81 stand by in the released state, the article to be cleaned 2 is removed from the carrier 4 and carried out to the outside through the carry-out path 18. The empty transport body 4 from which the object to be cleaned 2 is unloaded moves to the lower stage by the lowering of the lift base 20 by the motor 19, and then is transferred to the transport means 22 for circulation and to the loading section 3 side. After being transferred and further transferred to the conveying means 25 side, it is moved to the upper mold changing section 26 by the raising of the elevating base 24 by the motor 23, and after changing the mold as necessary, it is adjacent. It will return to the said carrying-in part 3, and the above washing | cleaning operation | movement will be repeated.
[0016]
【The invention's effect】
According to the present invention, the object to be cleaned is configured to be transferred to each processing unit in a state where the object to be cleaned is supported by the transport body, so that the troublesome work of fixing the object to be cleaned for each processing unit is omitted. Since each transport body of the object to be cleaned is provided with a protection means consisting of a blocking means for closing the hole leading to the inside provided in the object to be cleaned and a covering means for covering a required protection part of the surface of the object to be cleaned, each processing unit Therefore, the workability is improved and the operation efficiency is greatly improved. Furthermore, since the hole leading to the inside provided in the object to be cleaned is closed by the closing means, and the protection required part of the surface of the object to be cleaned is covered by the covering means, the stubborn adherence to the surface of the object to be cleaned Even if powerful cleaning is performed to remove the dirt, no trouble occurs. Therefore, it is possible to accurately and efficiently remove stubborn dirt by a strong cleaning action using an abrasive or the like while accurately protecting the protection target portion of the object to be cleaned. In addition, the object to be cleaned is accurately fixed so as not to be displaced by the closing means and the covering means, and the closing means and the covering means themselves also function as holding means for the object to be cleaned. It is also extremely effective in simplifying the structure.
[Brief description of the drawings]
FIG. 1 is a schematic plan view illustrating a layout related to a main part of a cleaning apparatus.
FIG. 2 is a schematic configuration diagram showing the inside of the cleaning apparatus.
FIG. 3 is a perspective view showing a conveyance body for an object to be cleaned.
FIG. 4 is a front view of the carrier.
FIG. 5 is an XX sectional view of the same transport body.
FIG. 6 is a cross-sectional view taken along the line XX showing the released state of the carrier.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Carry-in path, 2 ... To-be-washed object, 3 ... Carry-in part, 4 ... Conveyance body, 5 ... Conveyance means, 6 ... 1st washing | cleaning part, 7 ... Injection nozzle, 8 ... 2nd washing | cleaning part, 9 ... Injection nozzle, DESCRIPTION OF SYMBOLS 10 ... Rinse washing part, 11 ... Draining part, 12-16 ... Shutter, 17 ... Unloading part, 18 ... Unloading path, 19 ... Motor, 20 ... Lifting base, 21,22 ... Conveying means, 23 ... Motor, 24 ... Lifting Base, 25 ... Conveying means, 26 ... Mold changer, 27 ... Potentiometer, 28 ... Water supply tank, 29 ... Guide plate, 30 ... Storage tank, 31 ... Filter for filtration, 32 ... Drive wheel, 33 ... Driven wheel, 34 ... Guide plate 35 ... Reservoir tank 36 ... Guide plate 37, 38 ... Reservoir tank 39 ... Flat plate portion 40, 41 ... Guide strut 42, 43 ... Movable strut 44, 45 ... Projection strip 46 ... Gear , 47 ... Timing belt, 48 ... Horizontal frame, DESCRIPTION OF SYMBOLS 9 ... Bearing part, 50 ... Elevating shaft, 51 ... Passive part, 52 ... Push-down member, 53, 54 ... Support shaft, 55, 56 ... Swing lever, 57 ... Connection shaft, 58, 59 ... Long hole, 60, 61 ... connecting shaft, 62, 63 ... bearing portion, 64, 65 ... elevating shaft, 66, 67 ... hole, 68, 69 ... blocking member, 70, 71 ... spring, 72 ... contact plate, 73, 74 ... support plate, 75,76 ... support shafts, 77,78 ... oscillating levers, 79 ... springs, 80,81 ... covering members, 82,83 ... protection required parts, 84,85 ... rollers

Claims (2)

An object to be cleaned in a cleaning apparatus for carrying out an intended cleaning process by supporting the object to be cleaned in a processing unit such as cleaning or draining disposed along a transfer path while supporting the object to be cleaned. A closing means that presses and closes the closing member with respect to the hole that leads to the inside provided in the cover and / or a covering means that presses and covers the covering member against the protection required portion of the surface of the object to be cleaned. washload carrier in the cleaning device, characterized in that Rikomu cleaned by the means and / or the covering means is held so as not to shift position.   The object to be cleaned in the cleaning apparatus according to claim 1, wherein the closing means and / or the covering means are configured to hold or release the object to be cleaned by operating means disposed outside the processing unit.

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