JP2006255658A - Nozzle unit and washing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a nozzle unit capable of performing washing in accordance with an object to be washed and improving washing quality. <P>SOLUTION: In the nozzle unit 11 for separately washing and drying the object 3 to be washed, a plurality of nozzle parts 27, 27... capable of selectively switching and spraying liquid or gas, or sucking the same are arranged, the nozzle parts 27, 27... are composed of at least one kind of nozzle part 27, 27... selected from groups consisting of a washing liquid spray nozzle part 27a, a rinsing water oblique spray nozzle part 27b, a rinsing water vertical spray nozzle part 27c, an air spray nozzle part 27d and a sucking nozzle part 27e and the kind or the position of each nozzle part can be changed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a nozzle unit and a cleaning apparatus, and more particularly to a configuration of a nozzle unit that can continuously perform cleaning and drying on an object to be cleaned.

  Generally, a cleaning apparatus that performs cleaning includes a step of applying a cleaning liquid to an object to be cleaned, a step of rinsing the object to be cleaned to which the cleaning liquid is applied, and a step of drying. Devices for applying and spraying rinsing water on an object to be cleaned are provided (see, for example, Patent Document 1).

And the washing | cleaning apparatus provided with the nozzle unit which integrally apply | coated the nozzle part which apply | coats a washing | cleaning liquid with respect to a to-be-washed object, the nozzle which sprays air and dries, etc. is known (patent document 2). In this cleaning device, each nozzle part is not separately arranged in different places, but the liquid jet nozzle part and the water jet nozzle for draining water are integrally formed as a nozzle unit. And can be automatically switched to washing, draining and drying sequentially or selectively.
Japanese Patent No. 3175855 JP-A-5-309347

  Indeed, as disclosed in Patent Document 2, by making a nozzle unit in which a plurality of types of nozzle parts are assembled together, this nozzle unit can be used as a unit for a plurality of cleaning steps, making the apparatus compact and simple. Can be achieved. However, in the conventional nozzle unit, since a predetermined nozzle portion is assembled, it is difficult to perform cleaning and drying according to the shape and structure of the cleaning object. Especially for objects to be cleaned that require highly precise cleaning quality for each product because the variations of cleaning are uniform, it is possible to meet the degree of contamination for each item to be cleaned and the individual needs of customers. Therefore, it could not be said that the cleaning quality was sufficiently secured.

  The present invention relates to a nozzle unit that solves the above-described conventional problems and aims to improve cleaning quality by enabling cleaning according to an object to be cleaned.

  The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described.

  That is, according to claim 1, a nozzle unit that individually cleans and cleans an object to be cleaned, wherein a plurality of nozzle portions that can selectively spray or suck liquid or air are disposed, and the nozzle portions Is composed of at least one nozzle part selected from the group consisting of a cleaning liquid spray nozzle part, a rinse water spray nozzle part, an air spray nozzle part, and a suction nozzle part, and the type and position of each nozzle part can be changed. It is.

  According to a second aspect of the present invention, the nozzle portion is disposed along a circumferential direction of a work member formed in a substantially circular shape in a plan view so that the object to be cleaned is positioned at a substantially center.

  According to a third aspect of the present invention, the suction nozzle portion includes a suction pad that comes into contact with an object to be cleaned.

  According to a fourth aspect of the present invention, the suction nozzle unit includes a detecting unit that detects the presence or absence of contact with an object to be cleaned.

  According to a fifth aspect of the present invention, the nozzle unit is disposed so as to be movable in any direction.

  As effects of the present invention, the following effects can be obtained.

  In other words, since the configuration shown in claim 1 is adopted, variations in cleaning are abundant, a series of cleaning according to the type of the object to be cleaned and the cleaning process can be performed, and the cleaning efficiency and the cleaning quality can be improved.

  Since it is set as the structure shown in Claim 2, it can wash | clean from a circumferential direction simultaneously with respect to a to-be-washed object from a some nozzle part, and can improve washing | cleaning efficiency and washing | cleaning efficiency.

  Since it is set as the structure shown in Claim 3, a to-be-cleaned object can be attracted | sucked locally and effectively, improving airtightness and raising suction | attraction force, and it can improve washing | cleaning efficiency and washing | cleaning quality more.

  Since the structure shown in claim 4 is adopted, the nozzle unit can be fixed when the suction nozzle portion is attracted to the object to be cleaned, and the object to be cleaned can be prevented from being sucked and damaged more than necessary, and the cleaning efficiency and The cleaning quality can be improved.

  Since it is set as the structure shown in Claim 5, while using the space in an apparatus effectively, various processes can be implemented, local washing | cleaning etc. are attained and washing | cleaning efficiency and washing | cleaning quality can be improved.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a front view showing an overall configuration of a cleaning apparatus provided with a nozzle unit according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is a diagram showing a state where an object to be cleaned is in an upper chamber, and FIG. FIG. 5 is a plan view of the nozzle unit, FIG. 6 is a side view of the nozzle unit, and FIG. 7 is a view showing how the rinsing water is jetted in the rinsing water oblique jet nozzle section. FIG. 8 is a schematic view showing a state of rinsing water spraying in the rinsing water vertical spray nozzle section, FIG. 9 is a plan view of a nozzle unit made of a work member cut in the left-right direction, and FIG. 10 shows a suction nozzle section. FIG. 11 is a sectional view showing a state in which the nozzle unit having the suction nozzle portion is in contact with an object to be cleaned, and FIG. 12 is a nozzle portion of the nozzle unit according to another embodiment. FIG. 13 is a front view of the nozzle unit of FIG. Is a diagram showing a state of cleaning of the object to be cleaned by the set has been the cleaning apparatus.

  The nozzle unit 11 according to the present embodiment is disposed in a cleaning device 1 for cleaning an object to be cleaned 3 such as clothes, and the nozzle unit 11 continuously performs washing, rinsing and drying of the object to be cleaned 3. It is configured as follows. The nozzle unit 11 is not limited to the one used for cleaning the object to be cleaned 3, and is used for cleaning and drying the object to be cleaned 3 of a metal machined product such as a mold as will be described later. It is also possible (see FIGS. 12 and 13).

First, the overall configuration of the cleaning apparatus 1 using the nozzle unit 11 according to the present invention will be outlined below.
As shown in FIG. 1 to FIG. 3, the cleaning apparatus 1 is configured such that the object to be cleaned 3 is fixed to the support device 4 disposed in the housing 2, and the object to be cleaned 3 is fixed to the support device 4. Each washing step (washing, fixing, rinsing, drying, etc.) is performed continuously. The cleaning device 1 not only cleans the type of clothes, the degree of contamination, the location of the contamination, etc., but also the number of cleanings, the reference number based on the receipt slip, the customer name, the cleaning start time, the delivery date, the order date, the cleaning staff, etc. Based on the information, the order of each cleaning step, the temperature / concentration of the cleaning liquid, the arrangement of the work member 27 in the nozzle unit 11, the moving direction / speed of the nozzle unit 11, the rinsing water injection direction / water pressure / temperature, etc. The temperature and time of the air sprayed on the object to be cleaned 3 are changed so that optimum cleaning can be performed.

  Here, “washing” in the present embodiment refers to a step of applying a cleaning liquid to the object to be cleaned 3 and causing dirt or the like to be raised on the surface of the object to be cleaned 3. “Fixing” refers to a process for allowing the applied cleaning liquid to penetrate into the fibers of the article 3 to be cleaned. “Rinsing” refers to a process of rinsing the cleaning liquid and dirt adhering to the object 3 to be cleaned by immersing the object 3 in still water or spraying rinsing water. It includes a rinsing step and the like. “Drying” refers to a process of removing moisture contained in the article 3 to be cleaned, which has been soiled by rinsing, and includes “finishing” that adjusts the shape of the article 3 to be cleaned after drying or during drying. It is a process.

  The article to be cleaned 3 includes wide and general clothing such as a wide jacket, a wide trouser, a cutter shirt, a dress, a sweater, and a jumper. Hereinafter, although the case where a jacket is used as the article to be cleaned 3 will be described, the present invention is not limited to this.

  The housing 2 is partitioned in the front-rear direction by a partition plate 6, a storage portion 7 for storing an object to be cleaned 3 is formed on the front side, and a control device such as a driving device 8 or 9 or the controller is provided on the rear side. Arranged. The storage unit 7 is provided with a support device 4 for fixing and supporting the object to be cleaned 3 and a nozzle unit 11. The support device 4 is connected to a drive device 8 and can be moved up and down. Is connected to the drive device 9 and can be moved up and down.

  The storage portion 7 is further divided into two in the vertical direction, and an upper chamber 7a and a lower chamber 7b are formed. The upper chamber 7a and the lower chamber 7b are opened in the vertical direction at the boundary portion 7c, and the support device 4 can be moved across the upper chamber 7a and the lower chamber 7b. As will be described later, since the inside of the upper chamber 7a is configured to have a cleaning liquid atmosphere, a resin-molded curtain member or the like is attached to the boundary portion 7c so as not to prevent the movement of the support device 4, and the upper chamber 7a. And the space of the lower chamber 7b are shut off. The nozzle unit 11 is configured to move up and down in the space of the upper chamber 7a and not reach the lower chamber 7b.

  An outlet 12 is opened above the front surface of the housing 2, and a door 13 attached to the front of the housing 2 so as to be openable and closable is disposed at the outlet 12. By opening the door 13 to the front of the apparatus, the article 3 to be cleaned is put in and out of the storage portion 7 through the outlet 12. When the object 3 is moved in and out, the support device 4 is moved to the upper chamber 7a and stopped at the uppermost position (position P1).

  In addition, a supply / discharge pump (not shown) is connected to the lower chamber 2b, and rinse water is supplied / discharged from a supply / discharge port 7d opened in the lower wall. The lower chamber 7b is configured to store the rinsing water supplied from the supply / discharge port 7d, and is configured to immerse the cleaning object 3 moved to the lower chamber 7b in the stored rinsing water. Has been. Further, the rinsing water stored in the supply / discharge port 7d is drained.

  The support device 4 includes a pair of left and right support arms 14 and 14 whose upper end portions are bent at a substantially right angle and connected to the drive device 8, and a support device interposed substantially horizontally between the lower end portions of the support arms 14 and 14. A substrate 15; a support 16 disposed substantially at the center of the support substrate 15; and arm ducts 17 and the like that are erected vertically on the left and right sides of the support 16 and on the edge of the support substrate 15. It is arranged. By this support device 4, the object to be cleaned 3 is fixed in an upright state, and can be moved up and down in the storage portion 7 over the upper chamber 7 a and the lower chamber 7 b.

  The support substrate 15 has a substantially rectangular hollow box shape, and a hollow duct 15a is formed therein. The hollow duct 15a is a lower pump configured to be able to switch between injection and suction of air (air, hot air, etc.). It is connected to a device (not shown). By switching the pump device, air is sent into the hollow duct 15a, while the air in the hollow duct 15a is discharged toward the lower pump device. A ventilation hole 42 is opened in the support base 16 disposed on the upper surface of the support substrate 15, and air sent from the lower pump device through the ventilation hole 42 is ejected into the storage unit 7, and the storage unit 7 is sucked into the hollow duct 15a.

  The support base 16 is disposed so as to protrude above the upper surface of the support substrate 15, and a support portion 19 for fixing the object to be cleaned 3 is disposed on the support base 16. The support portion 19 is three-dimensionally formed so that the frame body 19a approximates a human shape or a part of a human shape, and an aluminum wire (wire) is used as the frame body 19a. Molded on the upper half of the mold. Furthermore, in the present embodiment, a breathable intermediate member 21 is disposed between the support portion 19 and the article 3 to be cleaned. The intermediate member 21 is formed according to the shape of the support portion 19 from a material such as a cloth having a finer mesh than the article 3 to be cleaned, and is attached so as to completely cover the surface of the support portion 19 and is supported at the lower end portion. It is closely fixed to the base 16 (see FIG. 4). The inside of the support portion 19 and the hollow duct 15a are connected by the vent hole 42 formed in the support base 16.

  If the support portion 19 is three-dimensionally formed into a human shape or the like, the object to be cleaned 3 may be entangled in each cleaning step (washing, rinsing, drying, etc.) if it is formed into a shape that matches the shape of the object to be cleaned 3 It can be prevented from being damaged due to rubbing and the like, and in particular, it is easy to concentrate and spray the cleaning liquid on a specific soiled part in the washing process, and it can be quickly dried without damaging the fabric in the drying process. Moreover, it can transfer to a finishing process from a drying process continuously, and the to-be-washed | cleaned material 3 does not wrinkle easily.

  The arm duct 17 is fitted with the cuff of the arm portion of the article 3 (clothing outerwear) supported by the support base 16 at the upper edge portion, and the lower edge portion communicates with the hollow duct 15a. Yes. When the air in the intermediate duct 15a is discharged / sucked by the pump device described above, the air is discharged / sucked to the arm portion of the article 3 to be cleaned through the arm duct 17, and drying and finishing are performed. As in this embodiment, when the article to be cleaned 3 is a jacket with a wide back, it is effective in that the cleaning efficiency can be improved because the arms and cuffs dry slowly.

  The drive device 8 is disposed in the rear of the housing 2 and extends and retracts the piston 22a to move the support device 4 up and down, and guide members 23 and 23 that are suspended substantially parallel to the electric cylinder 22. A plate member 24 interposed between the upper ends of the left and right support arms 14 and 14 and extending from the storage portion 7 to the rear of the housing; and guide members 23 disposed at both left and right ends of the plate member. It is composed of guide rollers 25, 25, and the like that are in contact with each other in the front-rear direction.

  The electric cylinder 22 is disposed at a substantially central portion on the left and right sides of the housing 2, and a piston 22a is extendable in the vertical direction. A plate member 24 is connected to an upper end portion of the piston 22a. The guide members 23 and 23 are formed in a substantially cylindrical shape, are disposed on the left and right sides of the housing 2 in front of the electric cylinder 22, and have an upper end on the upper wall of the housing 2 and a lower end on the substantially horizontal intermediate wall 2a. Each is fixed. The intermediate wall 2a supports the electric cylinder 22 and the electric cylinder 37 constituting the driving device 9 described later so as not to tilt.

  The plate member 24 is located between the left and right guide members 23 and 23 at a position overlapping the guide members 23 and 23 in a side view, and the support arms 14 and 14 are integrally connected by the plate member 24. Mounting plates 24a and 24a are disposed on the left and right edges of the plate member 24, and the guide rollers 25 and 25 are rotatably mounted on the mounting plate 24a and abut against the guide member 23 so as to be sandwiched from the front and rear, It moves while rotating along the surface of the guide member 23. The guide rollers 25 and 25 are attached so as to be spaced apart in the vertical direction, and the support device 4 can be moved up and down stably along the guide member 23. Further, elongated holes 6a and 6a are opened in the vertical direction in the partition plate 6, and the supporting arm 14 is connected to the supporting device 4 and the driving device 8 through the elongated holes 6a and 6a.

  When the piston 22a of the electric cylinder 22 is extended, the support device 4 is raised in the vertical direction while the guide rollers 25 and 25 are rotated along the guide member 23, and finally stops at the uppermost position (position P1) of the upper chamber 7a. Is done. As described above, in the state where the support device 4 is at the position P <b> 1, the entry / exit of the article to be cleaned 3 and the respective cleaning steps (washing, rinsing, drying, etc.) are performed. On the other hand, when the piston 22a of the electric cylinder 22 is contracted, the support device 4 is lowered in the vertical direction, and is eventually stopped at the lowest position (position P2) of the lower chamber 7b. Thus, by making the support device 4 movable, the space in the storage unit 7 can be effectively used, various processes can be performed in different spaces, and the cleaning efficiency can be improved.

  Further, in the cleaning device 1 according to the present embodiment, in addition to the ventilation hole 42 and the lower pump device described above, the ventilation hole 43 that is opened substantially at the center of the upper wall of the housing 2 (upper chamber 7a), and the ventilation hole. The upper pump device (not shown) and the like connected to 43 are disposed, and by switching the upper pump device and the lower pump device described above, the inside of the support portion 19 is pressurized and depressurized, A mechanism in which the object to be cleaned 3 is suctioned is configured.

  When the lower pump device is driven in the direction in which the air in the support portion 19 is sucked through the ventilation holes 42, and the upper pump device is driven to eject air from the ventilation holes 43, the inside of the support portion 19 is The pressure is reduced to a negative pressure, and air is sucked inward of the support portion 19. On the other hand, when the lower pump device is driven to eject air from the vent hole 42 and the upper pump device is driven to suck air in the upper chamber 7 a through the vent hole 43, the support portion 19. The inside is pressurized to a positive pressure, and the air in the support portion 19 is sucked outward.

  In this way, by switching the driving of both pump devices, air is blown from the inside / outside of the support portion 19 while air is sucked from the outside / inside, so that the inside of the support portion 19 is pressurized or depressurized. ing. In this way, in each washing step, suction can be performed by switching to a preferred direction, and in each washing step, dirt between fibers can be effectively removed and rinsed off, and the drying time can be shortened, thus washing. It is comprised so that efficiency can be improved further.

  In particular, in this embodiment, since the intermediate member 21 is disposed between the support portion 19 and the article 3 to be cleaned, when air is sucked inward of the support portion 19, it is formed in a mesh shape. In addition, it is possible to prevent the article to be cleaned 3 from entering the mesh of the support portion 19 and damage the fiber due to extreme tension or bending force, and it is possible to prevent suction leakage and improve efficiency. On the other hand, when the air in the support portion 19 is sucked outward, the intermediate member 21 expands and an appropriate pulling force is applied to the fibers of the article 3 to be cleaned, thereby providing an ironing effect and the object to be cleaned. If the thing 3 is drying, it can be set as uniform heat distribution and drying efficiency is good.

  As described above, in the cleaning apparatus 1 in this embodiment, the object to be cleaned 3 is stopped in the upper chamber 7a by the support device 4, and the washing process, the rinsing process, and the drying process are performed, and the cleaning apparatus 1 is moved to the lower chamber 7b. Thus, the fixing process and the rinsing process (immersion rinsing) are performed. And in each washing | cleaning process in the upper chamber 7a, while the nozzle unit 11 is moved up and down, it is comprised so that washing | cleaning liquid, rinsing water, and air may be switched and injected.

Here, the nozzle unit 11 according to the present embodiment will be described in detail.
First, the drive device 9 which is a drive means of the nozzle unit 11 will be described below.
Returning to FIGS. 1 to 3, the driving device 9 is disposed at the rear side inside the housing 2, and extends vertically and horizontally with the electric cylinder 37 extending and contracting the piston 37 a to move the nozzle unit 11 up and down. It is provided with guide members 38 and 38 provided, and a unit support portion 39 and the like for supporting the nozzle unit 11 substantially horizontally, and can freely move in the vertical direction while injecting cleaning liquid etc. from each nozzle portion 27 in the upper chamber 7a. (Refer to FIG. 3). However, the electric cylinder 37 can be replaced with a rack and a motor.

  The electric cylinder 37 is disposed at a substantially central portion on the left and right sides of the housing 2 and in front of the electric cylinder 22. A piston 37a is extendable in the vertical direction. A unit support 39 is connected to the upper end of the piston 37a. Has been. The guide members 38, 38 are formed in a substantially cylindrical shape, are disposed on both the left and right sides of the electric cylinder 37, the upper end is inserted through the unit support portion 39 and fixed to the upper wall of the housing, and the lower end is fixed to the intermediate wall 2a. It is fixed. Further, elongated holes 6b and 6b are opened in the partition plate 6 in the vertical direction, and the nozzle unit 11 is connected to the unit support portion 39 through the elongated holes 6b and 6b.

  When the piston 37a of the electric cylinder 37 is extended, the unit support portion 39 is raised along the guide member 38, the nozzle unit 11 is raised in the vertical direction, and is eventually stopped at the uppermost position (position P3) of the upper chamber 7a. The With the nozzle unit 11 in the position P3, the object to be cleaned 3 is moved in and out of the storage unit 7 and attached to and detached from the support unit 19. When each washing step (washing, rinsing, and drying) is performed, the contraction and extension of the piston 37a of the electric cylinder 37 are repeated, and the nozzle unit 11 is moved up and down in the vertical direction (position P4). As described above, by making the nozzle unit 11 movable, various processes can be performed by effectively utilizing the space in the storage unit 7, and the cleaning efficiency can be improved. In addition, local cleaning or the like according to the object to be cleaned 3 is possible, and the cleaning quality can be improved.

  In the present embodiment, the configuration of the driving device 9 is configured such that the nozzle unit 11 is moved only in the vertical direction by the unit support portion 39, but the moving direction is not limited to the vertical direction, You may comprise so that it may rotate centering | focusing on the connection part with the left-right direction, the front-back direction, or the drive device 9 (for example, refer FIG. 13).

Next, the nozzle unit 11 will be described in detail below.
As shown in FIGS. 5 and 6, the nozzle unit 11 includes a work member 26 formed in a substantially circular shape in plan view so as to surround the outside of the article 3 to be cleaned, and a plurality of nozzle units 11 along the circumferential direction of the work member 26. It is comprised by the nozzle part 27 * 27 ... etc. which are arrange | positioned and injects a washing | cleaning liquid and rinsing water toward the to-be-washed | cleaned material 3, This cleaning unit and rinsing water from the nozzle part 27 * 27 ... by this nozzle unit 11 Etc. are jetted, and the object to be cleaned 3 is washed and rinsed. The nozzle unit 11 is disposed in the upper chamber 7 a of the storage unit 7, is connected to the driving device 9, and is fixed so that the article 3 to be cleaned fixed to the support device 4 is positioned at the approximate center of the work member 26. ing. In this way, the workpiece member 26 is formed in a substantially circular shape in plan view, and the nozzle portions 27, 27,... Are arranged along the workpiece member 26, thereby the plurality of nozzle portions 27, 27,. The object to be cleaned 3 can be simultaneously cleaned from the circumferential direction, and the cleaning efficiency can be improved.

  The nozzle unit 11 according to the present embodiment is configured such that the cleaning liquid, the rinsing water, and the air (warm air) are selectively or sequentially switched and sprayed. For this purpose, the cleaning work member 26a and the rinsing water are used. A total of four work members 26, that is, the work members 26b and 26c and the hot air work member 26d, are formed in the same manner, and are stacked in order from the top to the bottom in the vertical direction. However, as will be described later, the number and arrangement of the work members 26, the type of the nozzle portion 27, and the like are not limited thereto. For example, a suction nozzle portion 27e described later may be provided, or an air supply / discharge nozzle portion may be provided so that suction is performed between the nozzle portion and the support substrate 15.

  The cleaning work member 26a is connected by a valve cleaning liquid pipe 29 via a cleaning liquid tank (not shown) and a cleaning valve 29a, and the cleaning liquid is supplied and discharged. The rinsing water work member 26b is connected to a rinsing water tank (not shown) by a rinsing water pipe 30 via a rinsing water valve 30a, and the rinsing water work member 26c is connected to the rinsing water tank (not shown) and the rinsing water. It is connected by a rinsing water pipe 31 through a valve 31a. The hot air work member 26d is connected by a hot air pipe 32 via a hot air generating pump device 32a and a hot air generating valve 32a (not shown), and the hot air is sent and discharged. The cleaning valve 29a, the rinsing water valves 30a and 31a, and the warm air generating valve 32a are also connected to the controller 45, and the controller 45 switches the cleaning valve 29a and the like from each tank to each work member 26. Supply / discharge of rinsing water or the like is controlled (see FIG. 6). Note that a cleaning liquid tank, a rinsing water tank, and the like are provided at the rear portion of the housing 2.

  The work member 26 is provided with a plurality of nozzle portions 27, 27,... Along the circumferential direction. Specifically, the cleaning work member 26a has cleaning liquid spray nozzle portions 27a, 27a,. Is disposed on the rinse water work member 26b, and the rinse water vertical spray nozzle portions 27c, 27c,... Are disposed on the rinse water work member 26c. .. Are disposed, and air jet nozzle portions 27d, 27d,... Are disposed on the warm air work member 26d. Nozzle holes 33, 34, 35, and 36 are opened in the respective nozzle portions 27 a, 27 b, 27 c, and 27 d toward the object to be cleaned 3, and the cleaning liquid that has reached the workpiece members 26 a, 26 b, 26 c, and 26 d Is ejected from the nozzle holes 33, 34, 35, and 36 through the communication passages 33a, 34a, 35a, and 36a.

  The cleaning liquid spray nozzle portion 27a is configured such that the cleaning liquid is sprayed toward the object to be cleaned 3, and in particular in the present embodiment, the cleaning liquid is configured to be continuously sprayed in a mist form. In order to spray the cleaning liquid in a mist form, for example, various mist forming means such as a disk type using a mist generating disk or a high pressure type in which the cleaning liquid is sprayed at high pressure after the nozzle holes 33 are narrowed are used. Various nozzles such as a fan-shaped nozzle, a full cone nozzle, and an empty cone nozzle are used.

  With such a configuration, the upper chamber 7a has a cleaning liquid atmosphere filled with the cleaning liquid sprayed in the form of a mist, and the object to be cleaned 3 is left in the space of the cleaning liquid atmosphere while being fixed to the support device 4. The cleaning liquid adheres to the surface and is applied. In this way, the cleaning liquid can be sufficiently applied without rubbing the objects to be cleaned 3, and deterioration of clothes can be prevented. In addition, the coating liquid can be uniformly applied without unevenness of the cleaning liquid.

  The cleaning liquid injection nozzle portion 27a may be configured to inject directly onto the article 3 to be cleaned, and in order to enable local injection, a configuration in which continuous or pulsating injection is possible using a linear nozzle or the like. Also good. Further, as described above, when the cleaning liquid is sprayed in a mist form from the cleaning liquid injection nozzle portion 27a, not only when the cleaning liquid injection nozzle portion 27a is provided in the nozzle unit 11, but also, for example, inside the upper chamber 7a. You may make it arrange | position on a wall surface.

  As the cleaning liquid sprayed by the cleaning liquid spray nozzle 27a, it is preferable to use cleaning liquids other than non-aqueous volatile organic solvents such as petroleum solvents used in conventional dry cleaning from the viewpoint of environmental protection and the like. In this embodiment, it is particularly preferable to use a cleaning solution as disclosed in JP-A-2003-183977. By using this cleaning liquid, it is possible to effectively remove oil-soluble dirt that could not be removed by a conventional aqueous cleaning liquid without giving mechanical force or other physical action to the object to be cleaned 3. The shrinkage can be kept to a minimum even when washing silk or wool products.

  As shown in FIG. 7, the rinsing water oblique spray nozzle portion 27b is configured to spray rinsing water mixed with high-pressure air onto the surface of the object to be cleaned 3 from an oblique direction. In addition to the communication path 34a, an air introduction pipe 34b is connected to the rinsing water oblique injection nozzle portion 27b, and high pressure air is mixed into the rinsing water to generate microbubbles. Specifically, a high pressure air compressor or blower (not shown) is connected to the rinsing water work member 26b, and air is sent to the nozzle hole 34 via the air introduction pipe 34b.

  The microbubble means a bubble having a diameter of about several tens of μm to several hundreds of μm, and excludes a bubble (macro bubble) normally generated when rinsing water is jetted. As a microbubble generation method, for example, the air sent to the rinse water oblique injection nozzle portion 27b may be mixed with rinse water in the vicinity of the nozzle hole 34 to generate microbubbles. A gas-liquid two-phase swirling flow of rinsing water and air may be generated, and microbubbles may be generated by a strong shearing action at the interface.

  The rinsing water sprayed from the rinsing water oblique spray nozzle portion 27 b is adjusted so as to have an incident angle θ with respect to the normal line of the surface of the article to be cleaned 3. From the viewpoint of rinsing efficiency, the incident angle θ is preferably adjusted to be approximately ± 30 degrees. When the rinsing water is sprayed at an incident angle θ, the microbubbles bounce on the surface of the object to be cleaned 3 and generate a pulse impact. The effect of rinsing dirt and the like adhering to the article to be cleaned 3 and rinsing dirt and the like out of the article to be cleaned 3 can be expected by such ultra-fine vibration. In addition, since the spraying speed can be set to be low to some extent, the object to be cleaned 3 can be prevented from being damaged.

  As shown in FIG. 8, the rinsing water vertical spray nozzle portion 27 c is configured to spray the rinsing water in the form of fine droplets from the substantially vertical direction on the object to be cleaned. The rinsing water vertical spray nozzle portion 27c is provided with a linear nozzle or the like for enabling local spraying, and rinsing water is sent from the rinsing water tank to the nozzle hole 35 through the communication path 35a to Rinsing water is jetted so as to be substantially perpendicular to the surface.

  In the present embodiment, the width of the rinsing water sprayed from the nozzle hole 35 is adjusted on the order of micrometers, and preferably the diameter W1 is set to 0.1 mm to 0.5 mm. Ordinary clothing such as clothing is expressed by warp density and weft density (number of threads between 1 inch), and this density varies depending on the weaving method (plain weave and twill weave) and count, but usually 1 inch (2.54 cm). ) The warp (weft) is woven in about 30 to 80 pieces. And the distance W2 between each warp (weft) is about several hundred micrometers. By forming the caliber W1 as described above, it is possible for the rinsing water to be jetted to pass between the warps (wefts), and it is possible to effectively rinse off the dirt and the like at each crossing site.

  Simply spraying rinsing water directly onto the article to be cleaned 3 does not facilitate rinsing off dirt and cleaning liquid adhering to the article to be cleaned 3 quickly and reliably, and the amount of water used is also large. By disposing the rinsing water vertical spray nozzle portion 27c, it is possible to effectively remove dirt and the like that have penetrated into the crossing site in clothes and the like that are complicatedly shaped by crossing the warp and weft of the article 3 to be cleaned. it can.

  By arranging the rinse water oblique spray nozzle portion 27b and the rinse water vertical spray nozzle portion 27c in the nozzle unit 11 and rinsing with the rinse water, the dirt between the yarns can be surely rinsed off. As well as being able to reduce the amount of rinsing water injected in a short time, it can also contribute to the protection of water resources. The rinsing water oblique injection nozzle portion 27b and the rinsing water vertical injection nozzle portion 27c are configured to be capable of continuous or pulsating injection. In particular, the rinsing water is pulsated and sprayed to more effectively remove dirt and the like. Can do. Note that either one of the nozzle portions 27 may be disposed in the nozzle unit 11.

  The air injection nozzle portion 27d is configured so that air (warm air) generated by a pump device for generating hot air and transferred to the nozzle hole 36 through the hot air pipe 32 is blown to the object 3 to be cleaned. ing. The object to be cleaned 3 that has undergone the cleaning and rinsing steps is dried by the warm air blown from the air injection nozzle portion 27d. The warm air is preferably set to a temperature that does not damage the fabric of the article 3 to be cleaned. The air injection nozzle portion 27d is not limited to the configuration provided in the nozzle unit 11, and may be provided on the side wall or the like inside the housing 2 so that warm air is blown to the object to be cleaned 3.

  The nozzle unit 11 has a flow rate, pressure, temperature, time, etc. of rinsing water ejected from each nozzle section 27 under optimum conditions according to the type (dirtness, shape, material) of the object 3 to be cleaned, and a driving device. 9 is adjusted. In addition, the number of nozzle portions 27 disposed in each work member 26, the angle at which the nozzle portions 27 face each other, and the like are changed according to the type of the object 3 to be cleaned. Moreover, you may adjust the injection quantity etc. of the rinse water of only the nozzle part 27 arrange | positioned among the some nozzle parts 27 at the position close | similar to a dirt location, for example.

  Further, the nozzle unit 11 is configured such that each work member 26 can be attached and detached in accordance with the type (dirtness, shape, material, etc.) of the object to be cleaned 3 to replace or increase / decrease the nozzle portion 27. For example, as shown in FIG. 9, the nozzle unit 27 may be configured to have different types on the right and left sides from the center of the left and right sides of the nozzle unit 11. In this case, the work members 27 formed in a substantially semicircular shape on the right side and the left side are assembled so as to face each other. Such a nozzle unit 11 is configured such that the nozzle unit 11 can be rotated not only in the vertical direction but also in the horizontal direction, so that the entire object to be cleaned can be cleaned. For example, four types of nozzle portions 27 are provided. Even in such a case, the nozzle unit 11 can be formed compactly.

  As the type of the nozzle portion 27, in addition to the above-described cleaning liquid spray nozzle portion 27a, rinse water oblique spray nozzle portion 27b, rinse water vertical spray nozzle portion 27c, and air spray nozzle portion 27d, a suction nozzle portion and a suction nozzle portion Etc. are provided. As an example, as in the nozzle unit 11 shown in FIGS. 10 and 11, two suction nozzle portions 27e are disposed substantially vertically on the inner wall on the front side of the apparatus along the circumferential direction of the suction work member 26e. . The suction work member 26e is connected to a suction pump device (not shown), and unnecessary cleaning liquid and rinsing water adhering to the object to be cleaned 3 are sucked by the suction nozzle portion 27e. The suction nozzle portion 27e protrudes from the suction work member 26e in the horizontal direction, and a suction pad 41 formed of a rubber-based material is attached to the tip portion so that the suction pad 41 is sucked onto the surface of the object 3 to be cleaned. It is configured. The cleaning liquid or the like sucked from the suction nozzle portion 27e and the suction pad 41 is sent to the above-described suction pump device through the nozzle hole 40 from the communication path 40a formed in the suction work member 26e.

  By disposing the suction nozzle portion 27e in the nozzle unit 11, the object to be cleaned 3 can be sucked and dried locally and effectively, and the cleaning quality can be improved. For example, in the present embodiment, both pockets of the suit jacket 3 which is the object to be cleaned are particularly difficult to dry, and two suction nozzle portions 27e are arranged at positions facing both pockets, so that It is possible to perform local drying on areas that are difficult to dry. Further, if the nozzle unit 11 is moved freely by the drive device 9, only the locally wetted portions can be dried, and the cleaning efficiency is good. In particular, as described above, the suction pad 41 is attached to the tip portion of the suction nozzle portion 27e, thereby improving the airtightness between the suction nozzle portion 27e and the article 3 to be cleaned and increasing the suction force. Is preferable.

  The suction nozzle portion 27e (the suction pad 41 in this embodiment) is provided with a pressure sensor 44 as detection means for detecting the contact state of the suction pad 41 with the object 3 to be cleaned. Since the suction pad 41 is deformed so that its shape expands in the circumferential direction when sucked on the surface of the article 3 to be cleaned (see FIG. 11), the amount of change is detected by the pressure sensor 44, so that the suction nozzle It is comprised so that the suction pressure by the part 27e may be adjusted. If the drive device 9 is stopped when the suction nozzle portion 27e is attracted to the object 3 to be cleaned, the nozzle unit 11 can be fixed at a predetermined position, and the detection value by the pressure sensor becomes a certain value or more. If the suction from the suction nozzle portion 27e is stopped, the object to be cleaned 3 can be prevented from being sucked more than necessary and damaged. In addition, as a detection means, it is not limited to the pressure sensor 44, A contact sensor etc. can be used. Further, by disposing the suction nozzle portion 27e, it is possible to effectively remove and remove chips from a metal machined product to be described later (see FIG. 13).

  Furthermore, a sensor member as a detecting means for detecting a dirt spot or a wet spot of the article to be cleaned 3 is disposed in the vicinity of the nozzle section 27 on the inner wall part of the nozzle unit 11 facing the object to be cleaned 3. May be. The sensor member is capable of detecting a spot of dirt such as fat, oil, protein, and sugar in the article 3 to be cleaned, and specifically, an image sensor or a reflection sensor that detects the spot of the dirt by a difference in color tone, A water detection sensor for detecting the moisture on the surface of the object to be cleaned 3 is used. The sensor member is connected to a controller or the like (not shown), and the nozzle unit 11 and the drive device 9 are arranged so that cleaning liquid, rinsing water, and hot air are locally sprayed to a predetermined dirt or wet spots or wet spots. Be controlled. With such a configuration, it is possible to reduce the amount of unnecessary cleaning liquid / rinsing water jetted and to improve cleaning efficiency. In addition, cleaning quality can be secured while meeting individual customer needs.

  As described above, as the nozzle unit 11, a plurality of nozzle portions 27, 27,... That can be sprayed by selectively switching cleaning liquid, rinsing water, or air are disposed, and the nozzle portions 27, 27,. Is at least one kind of nozzle portion 27, 27, selected from the group consisting of the cleaning liquid spray nozzle portion 27a, the rinsing water oblique spray nozzle portion 27b, the rinse water vertical spray nozzle portion 27c, the air spray nozzle portion 27d, and the suction nozzle portion 27e. ··· This nozzle part 27 · 27 · · · is configured so that it can be mounted and changed, and by changing the type of nozzle part 27 · 27 · · ·, there are many variations of cleaning by the nozzle unit 11 Thus, cleaning according to the type of the object to be cleaned 3 and the cleaning process is possible, and the cleaning quality can be improved.

Next, the nozzle unit 111 according to another embodiment will be described below.
As shown in FIGS. 12 and 13, in the nozzle unit 111 according to the present embodiment, the cleaning liquid injection nozzle portion 127 a, the rinse water injection nozzle portion 127 b, the air injection nozzle portion 127 d, and the suction nozzle portion 127 e are the same. It is arranged so as to face the direction. Specifically, the cleaning work member 126a, the rinsing water work member 126b, the hot air work member 126d, and the suction work member 126e, which are substantially linear in plan view, are gathered in a bundle. Each nozzle part 127 is disposed at the tip of the work members 126 and 126. The suction nozzle portion 127e is located at the center, and the cleaning liquid spray nozzle portion 127a, the rinsing water spray nozzle portion 127b, and the air spray nozzle portion d are arranged at substantially equal intervals around the suction nozzle portion 127e. Each nozzle part 127 is connected to a cleaning liquid tank or the like (not shown).

  The nozzle unit 111 according to the present embodiment is mainly used for cleaning and drying a metal machined product as the object to be cleaned 3. Specifically, the nozzle unit 111 is disposed at the distal end portion of the robot arm 143 in the cleaning device 101 including the articulated robot arm 143 and can move freely in the direction of the object to be cleaned 3. Has been. The cleaning apparatus 101 cleans the article 3 to be cleaned, in which cutting oil, chips, and the like are adhered in the holes 144 cut in the surface portion or the substantially central portion. Specifically, the cleaning liquid is applied from the cleaning liquid injection nozzle portion 127a, and the rinsing water is injected from the rinsing water injection nozzle portion 127b, so that the cleaning liquid and dirt (cutting oil and chips) adhering to the object to be cleaned 3 are rinsed off. Then, warm air is jetted from the air jet nozzle portion 127d to remove moisture and dry. And when using it for the to-be-cleaned object 3 of the shape by which the hole 144 etc. were cut like a metal machined product, the suction nozzle part 127e is provided in the nozzle unit 111, and the tip part of this suction nozzle part 127e is provided. The suction pad 141 is attached, and the suction pad 141 is brought into pressure contact with the hole 144 so that chips and the like in the hole 144 can be sucked.

  The nozzle unit 11 (111) is not limited to the above configuration. Moreover, the structure of the washing | cleaning apparatus 1 (101) by which this nozzle unit 11 (111) is arrange | positioned should just be the structure which arrange | positions the nozzle unit 11 (111) so that it can move freely.

The front view which showed the whole structure of the washing | cleaning apparatus provided with the nozzle unit which concerns on this invention. Similarly side view. The figure showing the state which to-be-cleaned object exists in an upper chamber. Sectional drawing of the state which fixed the to-be-cleaned object to the support part. The top view of a nozzle unit. Similarly side view. The schematic diagram which shows the mode of the injection of the rinse water in the rinse water oblique injection nozzle part. The schematic diagram which shows the mode of the injection of the rinse water in the rinse water vertical injection nozzle part. The top view of the nozzle unit which consists of a workpiece | work member cut | disconnected by the left-right direction. The top view of the nozzle unit by which the suction nozzle part was arrange | positioned. Sectional drawing showing the state which the nozzle unit by which the suction nozzle part was arrange | positioned contact | abutted to the to-be-cleaned object. The front view of the nozzle part of the nozzle unit which concerns on another Example. FIG. 13 is a diagram illustrating a state of cleaning an object to be cleaned by a cleaning device in which the nozzle unit of FIG. 12 is provided.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cleaning apparatus 3 Object to be cleaned 11 Nozzle unit 26 Work member 26a Washing work member 26b Rinsing water work member 26c Rinsing water work member 26d Hot air work member 26e Suction work member 27 Nozzle part 27a Cleaning liquid injection nozzle part 27b Rinsing water oblique injection nozzle part 27c Rinsing water vertical injection nozzle part 27d Air injection nozzle part 27e Suction nozzle part

Claims (5)

  A nozzle unit that individually cleans and cleans an object to be cleaned, and is provided with a plurality of nozzles that can selectively spray or suck liquid or air, and the nozzle includes a cleaning liquid spray nozzle, a rinse A nozzle unit comprising at least one nozzle part selected from the group consisting of a water injection nozzle part, an air injection nozzle part, and a suction nozzle part, wherein the type and position of each nozzle part can be changed.   2. The nozzle according to claim 1, wherein the nozzle portion is disposed along a circumferential direction of a work member formed in a substantially circular shape in plan view so that an object to be cleaned is positioned at a substantially center. unit.   The nozzle unit according to claim 1, wherein the suction nozzle portion includes a suction pad that comes into contact with an object to be cleaned.   The nozzle unit according to any one of claims 1 to 3, wherein the suction nozzle unit includes a detection unit that detects presence or absence of contact with an object to be cleaned.   5. A cleaning apparatus, wherein the nozzle unit according to any one of claims 1 to 4 is arranged to be freely movable in a direction.

Images