JP4133038B2 - Cleaning liquid filling device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cleaning liquid filling apparatus for refilling a filling can such as an aerosol can with a cleaning liquid and compressed air.
[0002]
[Prior art]
In an automobile maintenance shop, during car maintenance, the mechanical parts of the car (around the brakes, around the wheels, etc.) are disassembled, the components are cleaned, and then reassembled. It is also necessary to remove oil and waste. Therefore, conventionally, an aerosol can filled with a cleaning liquid and a liquefied gas is used, and the cleaning liquid is sprayed with a strong pressure into the narrow gap, so that oil and dust accumulated therein are blown away.
[0003]
Empty aerosol cans that have used up the cleaning liquid have been discarded as garbage. However, with the recent increase in environmental protection movement, it has become difficult to treat a large amount of waste aerosol cans as industrial waste.
[0004]
Therefore, the reuse of filling cans such as such aerosol cans has come to be demanded. However, if refilling of the cleaning liquid into the filling cans cannot be carried out cheaply and easily in the field, filling can be performed. Can reuse is not widespread.
[0005]
[Problems to be solved by the invention]
In order to promote the reuse of aerosol cans, the present invention makes it possible to easily refill the aerosol cans with the required amount of cleaning liquid, and in addition to dramatically increasing the number of times the aerosol cans are refilled. To do.
[0006]
[Means for Solving the Problems]
"Claim 1" injection nozzle (20) is mounted indicator (E) relates to filling cans having a "cleaning liquid injection and refill capable injection nozzle (20) of the cleaning liquid (5) of the cleaning liquid filling apparatus (A) filling the die (10) which is detachably holding the filled cans (5) between said filling cap has a clamp plate to advance and retreat toward the bottom of the filling can (5) (9) (10) A filling part (B) having a clamping mechanism (D) , a cylinder pump (27) for sucking the cleaning liquid from the cleaning liquid supply can (4) storing the cleaning liquid and supplying the sucked cleaning liquid to the filling base (10). The cleaning liquid press-fitting and filling section (C), and the compressed air supply piping system (K1 to K6) for supplying the compressed air supplied from the compressed air source (P) to the filling cap (10), and filled cans (5 When the cleaning liquid is consumed or when the cleaning liquid remains but the internal pressure is insufficient, the cleaning nozzle and compressed air or only compressed air is supplied from the injection nozzle (20). A cleaning liquid filling apparatus (A) to Hama, cleaning liquid pressed filling unit (C), the piston shaft (28) of the indicator plate (30) attached to the distal end and the cylinder pump cylinder pump (27) (27) It consists of an indicator window (2c) drilled on the movement path of the indicator plate (30) in the built-in cover (2a), and is provided with an indicator (E) that displays the washing liquid press-fitting state. '' Features.
[0007]
By providing the indicator (E) for indicating the cleaning liquid press-fitting state in the cleaning liquid press-fitting and filling section (C) in this way, the filling can (5) can be always filled with the required amount of cleaning liquid without excess or deficiency. Usability of the filling can (5) is improved.
[0008]
"Claim 2", the leading end portion of the filling cap (10) relates to "Filling cap (10) of the cleaning liquid filling apparatus according to claim. 1 (A), the injection nozzle side top of the filling can (5) A filling having a large-diameter portion (24a) into which the provided cylindrical portion (20a) is inserted and a small-diameter portion (24b) into which the injection nozzle (20) provided in the center of the cylindrical portion (20a) is inserted A hole (24) is formed, and an O-ring (17 ) that maintains airtightness with the cylindrical portion (20a ) is attached to the large diameter portion (24a).
[0009]
In this way, the filling hole (24) is filled with the O-ring (17) that maintains airtightness with the large-diameter portion (24a) and the cylindrical portion (20a). hole when I this fit the nozzle (20) morphism injection into (24), the filling cap (10) and the clamping mechanism to fill cans (5) (D) holding power in the case of clamping the injection at the nozzle (20) The spray nozzle (20) is not damaged. Therefore, continuous repeated use of the filling can (5) is possible.
[0010]
“Claim 3” is the cleaning liquid filling apparatus (A) according to claim 1 or 2, wherein “the filling portion has a holding recess (23) formed in accordance with the outer shape of the filling can (5). (6) and a start switch (21) that operates in a state where the filling can (5) is correctly attached to the clamp holder (6) and starts the filling portion (B). '' To do.
[0011]
Thus, the start switch only properly attaching the filled cans (5) to the clamp holder (6) (21) is turned on, it is possible to start the filling operation can be made very simple and field operations.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to the illustrated embodiments. The cleaning liquid filling device (A) is as shown in FIGS. 1 to 4, and a cover (2a) is formed on a table (2) of a vertically long rectangular base (1), and a step (2b) of the cover (2a) is formed. ) The main part of the filling part (B) is mounted on the top. A caster (3) is attached to the bottom of the gantry (1) so that it can move freely. In the gantry (1), a cleaning liquid supply can (4) such as an 18-liter can in which the cleaning liquid is stored is stored.
[0013]
The filling can (5) used in the present invention is usually known which is composed of a cylindrical can body (5a) and an injection nozzle (20) for ejecting the cleaning liquid filled in the can body (5). The structure is similar to the aerosol can. The injection nozzle (20) moves in the axial direction with respect to the can body (5a), and when pushed into the can body (5a) side, a nozzle hole (20b) formed in the injection nozzle (20) by internal pressure. ) Is sprayed from the inside. This means that it is possible to refill the cleaning liquid into the can body (5a) from the nozzle hole (20b) of the injection nozzle (20) by pushing the injection nozzle (20) to the can body (5a) side. is doing. At the same time, it is possible to fill with compressed air. By filling with compressed air, it is possible to re-inject the cleaning liquid refilled into the can body (5a). However, when reusing the filling can (5), it is necessary not to apply an excessive force to the injection nozzle (20) which is weak in mechanical strength and requires airtightness and liquid tightness.
[0014]
The top portion (5b) on the injection nozzle side of the filling can (5) is configured in a truncated cone shape, a cylindrical portion in which a circular ridge (5c) is provided at the periphery and an injection nozzle (20) is provided at the center. (20a), and a circular flat surface (5d) is formed between the circular flange (5c) and the cylindrical portion (20a).
[0015]
The mechanism of the filling part (B) of the cleaning liquid filling device (A) is as shown in FIGS. 5 to 7 and holds the filling can (5) in a detachable manner, and the cleaning liquid from the spray nozzle (20) of the filling can (5). A mechanism for filling compressed air, a clamp holder (6) having a U-shaped cross section and an open top surface, a clamping mechanism (D) for fixing the bottom (5b) of the filling can (5), and a filling can (5) and the filling nozzle (10) to which the injection nozzle (20) is attached.
[0016]
The clamp holder (6) is fixed on the step (2b) of the cover (2a) of the table (2) of the gantry (1), and the bottom (6c) and mounting plate portions ( 6a) (6b) is a front U-shaped member, and can guides (22) are formed with holding recesses (23) in accordance with the shape of the filling can (5). The holding recess (23) is formed in accordance with the outer shape of the filling can (5) so that a correct mounting posture is obtained when the filling can (5) is attached to the clamp holder (6). .
[0017]
A clamp cylinder (7) that constitutes the main part of the clamping mechanism (D) is attached to the mounting plate (6a) provided at one end of the clamp holder (6). A plate (9) is attached. A filling base (10) is mounted coaxially with the piston shaft (8) on the mounting plate (6b) on the opposite end of the clamp holder (6).
[0018]
The bottom part (6c) of the clamp holder (6) is equipped with a start switch (21) that controls the supply / stop of compressed air to the pneumatic piping, and the filling can (5) is correctly attached to the clamp holder (6). When installed in the posture, press the switch button (21a) of the start switch (21) to turn on the start switch (21), and compressed air is supplied from the compressed air source (P). 0019
The details of the filling base (10) are as shown in FIG. 9, and the nozzle body (11) is bolted to the inside of the mounting plate (6b). At the tip of the nozzle body (11), a cylindrical portion (20a) of the filling can (5) and a filling hole (24) in which the ejection nozzle (20) provided at the center is mounted are formed. The filling hole (24) has an entrance portion formed in a large diameter, and the cylindrical portion (20a) is inserted into the large diameter portion (24a), and the small diameter portion (24b) following the large diameter portion (24a). An injection nozzle (20) is inserted into the nozzle. The large-diameter portion (24a) is fitted with a cylindrical portion sealing O-ring (17) for maintaining airtightness with the cylindrical portion (20a). An injection nozzle seal O-ring (18) for contacting the outer peripheral surface of the injection nozzle (20) to ensure the airtightness of the injection nozzle (20) is provided on the inlet side in the small diameter portion (24b). It is installed.
[0020]
The back portion (24c) of the filling hole (24) is formed to have a slightly larger diameter, and is connected to an external filling material supply nozzle (16), so that the cleaning liquid press-fitted from the filling material supply nozzle (16) Compressed air flows into the back portion (24c) of the filling hole (24). Nozzle push pin at the center of the inner portion of the fill hole (24) (24c) (13) is disposed movably in the axial direction, the nozzle pressing spring (14) injection in elevation nozzle (20) Always pressed and urged in the direction.
[0021]
The tip portion of the nozzle push pin (13) (13a) is formed in a small diameter cylindrical (and the bore of the cylindrical portion communicating hole (13b).), The narrow portion of the fill hole (24) ( 24b) is slidably inserted, and comes into contact with the tip of the injection nozzle (20) inserted into the small diameter portion (24b). A communication port (13c) communicating with the communication hole (13b) of the tip portion (13a) is formed at the base of the tip portion (13a), and flows into the back portion (24c) of the filling hole (24). The cleaning liquid and compressed air thus supplied are fed into the nozzle hole (20b) of the injection nozzle (20) through the communication port ( 13e ) and the communication hole (13b). A nozzle pressing pin O-ring (19) for contacting the outer periphery of the tip portion (13a) of the nozzle pressing pin (13) and maintaining airtightness is mounted on the inner side of the narrow diameter portion (24b). Yes. The filling material supply nozzle (16) is screwed into the filling material supply port (15).
[0022]
As shown in FIG. 1, the cleaning liquid press-fitting and filling section (C) includes a cylinder pump (27) installed between a pair of mounting plates (26) erected on the table (2), and a cylinder pump (27). An indicator plate (30) attached to the tip of the piston shaft (28), and a return spring (29) attached to the piston shaft (28) between the indicator plate (30) and the cylinder pump (27). The indicator plate (30) includes a limit switch (31) for setting a movement limit when the indicator plate (30) moves toward the cylinder pump (27). Further, as can be seen from FIG. 4, this cleaning liquid press-fitting portion (C) is built in a cover (2a) mounted on the table (2), and an indicator window is placed on the movement path of the indicator plate (30). (2c) is perforated, and the indicator plate (30) can be observed from the outside through the indicator window (2c). The indicator window (2c) has an A on one end and a letter B on the other, indicating the movement range of the indicator plate (30). In this case, the A position indicates that the cylinder pump (27) is filled with the cleaning liquid, and the B position indicates that the cleaning liquid is discharged from the cylinder pump (27) and the filling into the filling can (5) is completed. .
[0023]
The cylinder pump (27) is composed of a piston (27b) to which the piston shaft (28) is attached and moves in the cylinder (27a), and the piston (27b) is used to store a liquid storage chamber (27c) and a pneumatic chamber. The liquid storage chamber (27c) is connected to the cleaning liquid supply can (4) through the cleaning liquid supply pipe (H1). The cleaning liquid supply pipe (H1) is branched and connected to the filling cap (10), and a cleaning liquid supply side check valve (32) is installed in the middle of the branch pipe (H2).
[0024]
Released manually to the outlet of the compressed air source (P) valve (34) is installed, in a air pipe for supplying and interruption of the compressed air from the compressed air source (P) to its outlet, above The start switch (21) of the filling section (B) is installed.
[0025]
Start outlet pipe of the switch (21) (K3) is branched, one branch pipe (K 41) is connected to the clamp cylinder (7), the other branch pipe (K4) is manually operated switching valve ( 25) connected to the inlet port (25a). A clamp check valve (35) and a clamp release variable flow rate adjustment valve (36) are connected in parallel to the branch pipe connected to the clamp cylinder (7). Clamp check valve (35) is a direction in which the compressed air flows into the clamping cylinder (7) side is forward.
[0026]
The pneumatic piping (K51) connected to the outlet port (25b) of the switching valve (25) branches, and one branch piping (K52) connects to the pneumatic chamber (27d) of the cylinder pump (27). Has been. A cleaning liquid discharge side check valve (37) and a cleaning liquid suction side flow rate control valve (38) are connected in parallel in the middle of the branch pipe (K52). In the cleaning liquid discharge side check valve (37), the direction in which compressed air is fed in the direction of the cylinder pump (27) is the forward direction.
[0027]
The other branch pipe (K53) is connected to the inlet port (39a) of the compressed air injection valve (39) that controls the timing of supplying compressed air to the filling can (5), and is connected to the outlet port (39b). The pneumatic pipe (K54) is connected to one inlet (40a) of the double check valve (40). The other inlet (40b) of the double check valve (40) is connected to the other outlet (25c) of the switching valve (25) via a pneumatic pipe (K5). The outlet (40c) of the double check valve (40) is connected to a pneumatic pipe (K6), and through the compressed air supply amount check valve (33), the cleaning liquid supply check valve (32) and the filling cap ( It joins the pipe between 10). In the compressed air supply amount check valve (33), the direction in which compressed air is supplied in the direction of the filling cap (10) is the forward direction. The pneumatic pipe (K6) and the branch pipe (H2) are connected to the filling cap (10) as a joint pipe (G).
[0028]
Next, the operation of the present invention will be described. In the state before release of the release valve (34), since compressed air is not supplied to the piping system, the cleaning liquid is supplied from the cleaning liquid supply can (4) to the cylinder pump (27) by the action of the return spring (29). Flowing into the liquid storage chamber (27c) side. At this time, the check valve (32) does not flow to the filling cap (10) side due to the action of the check valve (32). The indicator plate (30) indicates the A position.
[0029]
In this state, the release valve (34) is manually switched so that compressed air is supplied from the compressed air source (P) to the pneumatic piping system. At this time, since the filling can (5) is not attached, the start switch (21) is in an off state. Therefore, compressed air is not supplied to the clamp cylinder (7), and the clamp plate (9) is pulled back by the action of the internal spring (8a).
[0030]
In this state, the empty filling can (5) is attached to the filling portion (B) .First, the injection nozzle (20) and the cylindrical portion (20a) of the filling can (5) are fitted into the filling base (10). Then push it into the clamp holder (6). As a result, the switch (21a) of the start switch (21) attached to the clamp holder (6) is pushed to connect the pneumatic pipes (K2) (K3) and compressed through the clamp check valve (35). Air is rapidly supplied to the clamp cylinder (7), the clamp plate (9) is advanced against the internal spring (8a), and the filling can (5) is pressed against the filling base (10).
[0031]
As a result, as shown in the cross-sectional view of the upper half of FIG. As a result, the communication port (13e ) at the base of the nozzle pressing pin (13) reaches the back part (24c) of the filling hole (24) beyond the O-ring (19) and is connected to the filling material supply nozzle (16). As a result, preparations for refilling the cleaning liquid and compressed air into the filling can (5) are ready.
[0032]
At the same time, the compressed air flows from the pneumatic piping (K4) to (K51) (K52) through the switching valve (25), and passes through the check valve (37) to the pneumatic chamber (27d) of the cylinder pump (27). The piston shaft (28) is bent against the return spring (29) and drawn into the cylinder pump (27). At the same time, the piston (27b) moves forward to discharge the cleaning liquid in the stock solution chamber (27c), passes through the check valve (32), the junction pipe (G) and the filling cap (10) into the filling can (5). The cleaning liquid is filled. When the indicator plate (30) reaches point B, the limit switch (31) is contacted to actuate it, and the compressed air injection valve (39) is actuated. At this time, it can be confirmed from the outside through the indicator window (2c) that the indicator plate (30) has reached the point B.
[0033]
The limit switch (31) is compressed air injection valve is operated (39) when the switched air pipe and (K53) (K54) and ties, compressed air air pipe (K53), through (K54) Enters the double check valve (40), and from the double check valve (40) to the filling can (5) through the pneumatic pipe (K6), check valve (33), junction pipe (G), and filling cap (10). It will be filled up to a predetermined pressure. The filling pressure is controlled by a regulator (41). At this time, the compressed air does not flow into the pipe (K5).
[0034]
When filling is complete, manually release the release valve (34) and shut off the supply of compressed air. In the initial state (the clamp cylinder (7) is released by the action of the external spring (8a) and the cylinder pump (27) The cleaning liquid is sucked in), and the filling can (5) can be removed from the filling part (B).
[0035]
If the cleaning liquid remains in the filling can (5), but the internal pressure is low and the cleaning liquid cannot be injected at a sufficiently high injection pressure, the switching valve (25) is switched to perform the same operation as described above. In this case, since the pneumatic piping (K4) and (K5) are connected by switching the switching valve (25) and (K51) is shut off, the cylinder pump (27) does not operate and the compressed air is not Only the compressed air is filled into the filling can (5) from the pneumatic pipe (K5), the double check valve (40), and the pneumatic pipe (6) through the check valve (33) and the filling cap (10).
[0036]
【The invention's effect】
According to the present invention, by providing an indicator for indicating the cleaning liquid press-fitting state in the cleaning liquid press-fitting portion, the filling can can be always filled with a necessary amount of the cleaning liquid without excess or deficiency, and the use of the filling can at the site is improved. . In addition, the tip of the filling base comes into contact with the top of the filling can on the side of the injection nozzle, and the injection nozzle is fitted in the filling hole formed in the filling base so that the filling can is inserted into the filling base. The holding force when pinching with the pinching mechanism is not directly applied to the jet nozzle, and the jet nozzle is not damaged. Therefore, continuous repeated use of the filling can is possible. In addition, the start switch can be turned on simply by mounting the filling can on the clamping mechanism, and the filling operation can be started.
[Brief description of the drawings]
FIG. 1 is a rear view of the device of the present invention. FIG. 2 is a front view of the device of the present invention. FIG. 3 is a side view of the device of the present invention. FIG. 6 is a front view of the present invention before the filling can is attached to the filling portion. FIG. 7 is a front view of the present invention when the filling can is attached to the filling portion. Fig. 9 is a side view of the clamp plate portion in Fig. 9 is a cross-sectional view of a filling cap used in the present invention.
(A) Cleaning liquid filling device
(B) Filling part
(C) Cleaning fluid press-fitting part
(D) Holding mechanism
(E) Indicator
(1) Mount
(2) Table
(3) Caster
(4) Cleaning liquid supply can
(5) Filling can
(6) Clamp holder
(7) Clamp cylinder
(8) Piston shaft
(9) Clamp plate
(10) Filling cap
(11) Nozzle body
(12) Air valve
(13) Nozzle pressing pin
(14) Nozzle pressing spring
(15) Filling material supply port
(16) Filling material supply nozzle
(17) Cylindrical seal O-ring
(18) O-ring for spray nozzle seal
(19) O-ring for pressing pin seal
(20) Injection nozzle
(21) Start switch
(22) Can guide
(23) Holding recess
(24) Filling hole
(25) Switching valve
(26) Mounting plate
(27) Cylinder pump
(28) Piston shaft
(29) Return spring
(30) Indicator plate
(31) Limit switch
(32) Cleaning fluid supply side check valve
(33) Compressed air supply side check valve
(34) Release valve
(35) Clamp check valve
(36) Variable flow rate adjustment valve for clamp release
(37) Cleaning fluid discharge side check valve
(38) Cleaning fluid suction side flow control valve
(39) Compressed air injection valve

Claims (3)

Between a filling base to which the injection nozzle of a filling can having an injection nozzle capable of spraying cleaning liquid and refilling the cleaning liquid is mounted, and a clamping plate that advances and retreats toward the bottom of the filling can And a filling unit comprising a holding mechanism for detachably holding the filling can .
The cleaning liquid is sucked from the cleaning liquid supply can storing the cleaning liquid, and the cleaning liquid press-fitting and filling unit having a cylinder pump that supplies the sucked cleaning liquid to the filling base, and the compressed air supplied from the compressed air source is supplied to the filling base. Consisting of a compressed air supply piping system
When the filling can consumes the cleaning liquid or when the cleaning liquid remains but the internal pressure is insufficient, the cleaning liquid filling device fills the cleaning liquid and compressed air or only the compressed air from the jet nozzle,
Wherein the cleaning liquid press-filling section consists of a said cylinder piston shaft distal said indicator plate drilled indicator window on the moving trajectory of the the attached indicator plates cover the cylinder pump is incorporated into the pump, the washing liquid An apparatus for filling a cleaning liquid, characterized in that an indicator for displaying a press-fit state is provided. The distal end portion of the front Symbol filling mouthpiece, diameter of the large-diameter portion of the cylindrical portion provided on the injection nozzle side top of the filling can is inserted, an injection nozzle provided at the center of the cylindrical portion is inserted 2. The cleaning liquid filling apparatus according to claim 1 , wherein a filling hole having a portion is formed, and an O-ring for maintaining airtightness with the cylindrical portion is attached to the large diameter portion. . The filling unit includes a clamp holder having a holding recess formed in accordance with the outer shape of the filling can, and a start switch that operates in a state where the filling can is correctly attached to the clamp holder to start the filling unit. The cleaning liquid filling apparatus according to claim 1, wherein the cleaning liquid filling apparatus is provided.

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