JP3185142B2 - Cleaning liquid discharge device and cleaning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning liquid discharging apparatus and a cleaning apparatus for removing chips, dust and the like attached to the cleaning object by spraying the cleaning liquid onto a cleaning object such as a transmission case. .

[0002]

2. Description of the Related Art As a conventional technique, a swivel table rotated by a motor and a large number of discharge nozzles for discharging cleaning water pumped from a water pump are provided in a substantially closed housing case. While mounting and rotating the cleaning object, by spraying cleaning water from the discharge nozzle toward the cleaning object, chips attached to the cleaning object,
There is one that removes dust and the like.

In the above-mentioned conventional apparatus, only the cleaning water pumped from the water pump is supplied to the discharge nozzle, so that the cleaning water discharged from the discharge nozzle becomes uniform and the cleaning performance is reduced. In addition, when it is desired to increase the discharge power of the washing water from the nozzle, a high-output water pump and a high-pressure pipe are required, which increases the equipment cost. SUMMARY OF THE INVENTION It is an object of the present invention to provide a new cleaning liquid discharge apparatus and a new cleaning liquid that solves the above-mentioned problems by mixing and supplying a predetermined pressure of cleaning water and compressed air to a discharge nozzle.

[0004]

Means for Solving the Problems The present invention is configured as follows to achieve the above object. That is, according to the first aspect of the present invention, a vertically long block is mainly used for washing.
A main passage extending linearly toward a purified material and a path along the main passage
A secondary passage that communicates with the main passage while being inclined from the upstream side
Multiple first discharge nozzles with passages and towards the wash
A large number of second discharge nozzles extending linearly are vertically
A nozzle unit formed at regular intervals is provided,
A water pump for pumping the washing liquid is connected to each of the main passages,
Supply compressed air to each sub-passage and each second discharge nozzle
And the first discharge nozzle and the second
With a solenoid valve that opens and closes the two discharge nozzles individually
It was done. The invention according to claim 2 is substantially sealed.
A swivel table for placing the cleaning object in the storage case
Nozzle unit placed toward the cleaning object mounted on the turntable
And the nozzle unit is vertically elongated.
Main body that extends straight toward the object to be cleaned
From the upstream with respect to the main passage in the passage and the main passage
Numerous first discharge nozzles having sub-paths that communicate with each other at an angle
And a number of second discharge nozzles extending linearly toward the cleaning object.
And a chisel are formed at predetermined intervals in the vertical direction,
A rotating device for rotating the swivel table about a vertical axis
And the nozzle unit is vertically moved at a predetermined stroke.
Nozzle elevating device that reciprocates in
A water pump for pumping the liquid, the sub-passages and the second discharges;
Providing an air pressure source for supplying compressed air to the nozzle,
An electric switch for individually opening and closing the first discharge nozzle and the second discharge nozzle.
In this configuration, a magnetic valve is provided.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. 1, FIG. 1 is a cross-sectional view showing a cleaning state of a cleaning object according to an embodiment of the present invention, FIG. 2 is a cross-sectional view showing an outgoing state of the cleaning object showing an embodiment of the present invention, and FIG.
4 is a cross-sectional view of a main part corresponding to III-III in FIG. 1, FIG. 4 is a cross-sectional view of a discharge nozzle according to the present invention, FIG. 5 is a VV cross-sectional view of FIG. 4, and FIG. 6 is a VI-VI cross-sectional view of FIG. .

In FIG. 1, reference numeral 1 denotes a cleaning device, and 2 denotes a gantry. The table 3 is provided at the front (left side in FIG. 1) of the gantry 2 and the cleaning material A is provided at the rear (right side in FIG. 1).
The storage case 4 in which is stored is mounted. In this example, the housing case 4 has a height of about 400 mm, a front-rear (left and right in FIG. 1) width of about 700 mm, and a left-right width of about 800 mm.
The front and the left side of the box, the entrance 4
The door 4a is opened and closed by a sliding shutter 5 which is moved up and down by a shutter cylinder 6.

A rail 7 extending in the front-rear direction is attached to the bottom of the housing case 4, and a feed base 8, which is moved in the left-right direction by a feed cylinder (slewing table moving device) 9, is slidably mounted on the rail 7. A bearing 12 is provided on the upper part of the feed base 8.
The disk-shaped revolving base 13 is rotatably mounted on the vertical axis through the center. The turntable 13 is rotated by a turn motor (rotating device) 14 at a speed of about two rotations per minute. A cleaning object A such as a crankcase is placed. Reference numeral 14a denotes a driving roller attached to the rotation shaft of the turning motor 14, and the outer periphery of the driving roller 14a is brought into contact with the outer peripheral surface of the turning table 13 to rotate the turning table 13.

A rectangular lifting plate 15 which is moved up and down by a predetermined stroke by a lifting cylinder 15a is disposed in an upper portion of the housing case 4, and a nozzle having a large number of discharge nozzles at four corners of the lifting plate 15 in a vertical direction. The unit 16 is suspended. The discharge nozzles (17, 18) of each of the nozzle units 16 are arranged toward the cleaning object A mounted on the swivel table 13. One of the nozzle units 16 will be described in detail with reference to FIGS. That is, the height H is about 220 mm, the width W is about 50 mm, and the thickness T is about 32 mm. 2
The discharge nozzles 18 are alternately formed vertically. The vertical pitch P between each of the first discharge nozzles 17 and the five second discharge nozzles 18 is about 20 mm.

Each of the first discharge nozzles 17 is shown in FIGS.
As shown in the figure, a main passage 17a having a diameter of about 4 mm extending linearly toward the cleaning object A, and a main passage 17a having a diameter of about 4 mm inclining from the upstream side to the main passage 17a in the middle of the main passage 17a. And a sub-passage 17b.
A large-diameter hose connection port (screw hole) is formed at the right end (upstream side) of a and 17b. The inclination angle α of the sub passage 17b with respect to the main passage 17a is about 30 degrees, and the discharge hose of the water pump 20 (FIG. 1) is provided at the right end of the main passage 17a.
A discharge hose of a compressor (air pressure source) 21 is connected to the right end of the sub passage 17b. The discharge pressure of both the water pump 20 and the compressor 21 (FIG. 1) is about 0.5.
7 MPa (about 7 kgf / cm ² ).

Each of the second discharge nozzles 18 is shown in FIGS.
As shown in FIG.
b is increased in diameter, and the compressor 21 is attached to the right end 18a.
Nozzle tip 1 is connected to the left end 18b.
9 is screwed. The nozzle tip 19 can be appropriately replaced with a tip corresponding to the type of the cleaning object A. Main passage 17a and sub passage 17b of the first discharge nozzle 17
Is opened and closed by a first solenoid valve 22 (FIG. 1).
The second discharge nozzle 18 is opened and closed by a second solenoid valve 23 (FIG. 1).

Here, the elevating cylinder 15a and the elevating plate 15 constitute a nozzle elevating device referred to in the present application, and the first discharge nozzle 17 and the water pump 20 and the compressor 21 connected thereto correspond to the mixed fluid supply referred to in the present application. Make the device. In addition, in FIG.
4, each cylinder 6, 9, 15a and each solenoid valve 22,
A control unit for controlling 23 and the like, and 25 is a liquid tank with a filter for storing a cleaning liquid such as water, coolant, etc.
5 is sucked by the water pump 20 described above,
It is supplied to the main passage 17a of the discharge nozzle 17. Also, 26
Reference numeral denotes a drain pipe for returning used cleaning liquid in the storage case 4 to the liquid tank 25.

Next, the operation of the above embodiment will be described. First, as shown in FIG. 2, the shutter 5 is raised by the shutter cylinder 6 and the entrance 4
After opening a, the swivel table 13 is moved forward by the feed cylinder 9 toward the entrance 4a, and the cleaning object A is placed on the swivel table 13. Next, the swivel table 13 is retracted by the feed cylinder 9 to store the cleaning object A in the storage case 4, and then the shutter 5 is lowered by the shutter cylinder 6 to close the entrance 4a of the storage case 4 (the state of FIG. 1). .

In this state, the turning motor 14 is activated to turn the cleaning object A through the turning table 13, and the first discharge nozzle 17 is opened by the first solenoid valve 22.
The cleaning liquid is supplied from the water pump 20 to the main passage 17a,
Further, compressed air is supplied from the compressor 21 to the sub-passage 17b, whereby the mixed fluid of the cleaning liquid and the compressed air is discharged from the discharge port of the first discharge nozzle 17 toward the cleaning object A. At the same time, the elevating cylinder 15a is extended and retracted, and each nozzle unit 16 is moved up and down via the elevating plate 15, thereby washing the cleaning object A.

In this embodiment, after the above state is maintained for about 2 minutes, the first discharge nozzle 17 is closed by the first solenoid valve 22 to complete the cleaning process. Next, the second discharge nozzle 18 is opened by the second solenoid valve 23, compressed air is supplied from the compressor 21 to the second discharge nozzle 18, and the compressed air is discharged from the second discharge nozzle 18 toward the cleaning object A,
The water adhering to the washing A is removed. In this example, after the above state is maintained for about 2 minutes, the second discharge nozzle 18 is closed by the second solenoid valve 23, and the drying (draining) step is completed.

Next, the turning motor 14 is stopped, the turning table 13 is returned to the initial position, and the lift cylinder 1 is turned off.
After stopping the shutter 5a, as shown in FIG.
After opening the entrance 4a, the swivel table 13 is advanced by the feed cylinder 9 to the entrance 4a side, and the washing A placed on the swivel 13 is exchanged for an unwashed washing. Thereafter, the unwashed items are sequentially washed in the same manner as described above. In addition, the above-mentioned compressor 21 may be a pipe for compressed air that is piped in a factory.

[0016]

As is apparent from the above description, the invention according to claim 1 of the present application mixes a cleaning liquid with a predetermined pressure and compressed air to a discharge nozzle arranged toward a cleaning object and supplies the mixed liquid. Therefore, the compressed air rapidly expands at the outlet of the discharge nozzle, accelerates the discharge speed of the cleaning liquid discharged from the discharge nozzle, and diffuses the cleaning liquid that has collided with the cleaning object from the surface of the cleaning object in all directions. Become. For this reason, even if the capacity of the water pump is small, the cleaning function can be enhanced. In this case, a large number of first discharge
The outlet nozzle and the second discharge nozzle are
The nozzles are formed all at once.
It can be arranged with high accuracy, and piping work is
It will be easier. In the invention according to claim 2, the cleaning object is substantially sealed.
Swirl inside the storage case that has been
The discharge nozzle that discharges the mixed fluid with compressed air
Because it is made to reciprocate up and down by roking, it is complicated
It is possible to smoothly wash objects of various shapes
In addition, chips, dust, etc., that have come off
No longer splatters. Also, a vertically elongated block
Mainly a large number of first and second discharge nozzles
Each nozzle in the storage case.
These can be housed in a compact
Can be moved up and down stably. Moreover, the accommodation case
Mixing and discharging cleaning water and compressed air at a specified pressure
First discharge nozzle and second discharge that discharges only compressed air
Since the nozzle is provided, the same storage case
The washing process of the washed object and the drying process of the washed object after washing are performed.
I can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a cleaning state of a cleaning object according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state of taking in and out of a cleaning object according to the embodiment of the present invention.

FIG. 3 is a sectional view of a principal part corresponding to III-III in FIG. 1;

FIG. 4 is a cross-sectional view of a discharge nozzle according to the present invention.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a sectional view taken along line VI-VI of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Washing device 2 Stand 3 Table 4 Main case 4a Doorway 5 Shutter 6 Shutter cylinder 7 Rail 8 Feeding stand 9 Feeding cylinder (turning table moving device) 12 Bearing 13 Turning table A Washing object 14 Rotating motor (rotating device) 15 Lifting plate ( Lifting device) 15a Lifting cylinder (lifting device) 16 Nozzle unit 16a Block main body 17 First discharge nozzle (mixed fluid supply device) 17a Main passage 17b Sub passage 18 Second discharge nozzle (air supply device) 19 Nozzle chip 20 Water pump 21 Compressor (air pressure source) 22 First solenoid valve 23 Second solenoid valve 24 Control unit 25 Liquid tank 26 Drain pipe

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B08B 3/02

Claims (2)

(57) [Claims] 1. A block main body elongated in a vertical direction (16a).
The main passage (1) extending linearly toward the cleaning object (A)
7a) and the main passage (17a) in the middle of the main passage (17a).
(a) a sub-passage (17) that communicates with an inclination from the upstream side
b) a plurality of first discharge nozzles (17),
Numerous second discharge nozzles extending linearly toward (A)
And (18) are formed at predetermined intervals in the vertical direction.
Nozzle unit (16), and the main passages (17
Connect a water pump (20) for pumping the cleaning liquid to a)
Each sub-passage (17b) and each of the second discharge nozzles (1
8) Connect air pressure source (21) to supply compressed air
And the first discharge nozzle (17) and the second discharge nozzle
(18) and solenoid valves (22, 23) that open and close individually
An apparatus for discharging a cleaning liquid, comprising: 2. A cleaning object in a substantially sealed storage case (4).
A turntable (13) on which (A) is placed, and the turntable (13)
Nozzle unit arranged toward the cleaning object (A) mounted on the
A knit (16), the nozzle unit (16)
Is used to wash the main block (16a) which is elongated in the vertical direction.
A main passage (17a) extending linearly toward the object (A);
In the middle of the main passage (17a) and the main passage (17a).
And a sub-passage (17b) that communicates at an angle from the upstream side.
Many first discharge nozzles (17) and the cleaning object (A)
Numerous second discharge nozzles (18) extending linearly toward
Are formed at predetermined intervals in the vertical direction,
Rotation for rotating the turntable (13) about a vertical axis
The device (14) and the nozzle unit (16) are
Nozzle elevating device that reciprocates up and down with stroke
(15, 15a) and the cleaning liquid in each of the main passages (17a).
Pump (20) for pumping water, and the sub-passages (17)
b) and supplying compressed air to each of the second discharge nozzles (18).
And an air pressure source (21) for supplying the first discharge nozzle.
(17) and the second discharge nozzle (18) are individually opened.
A solenoid valve (22, 23) for closing is provided.
Cleaning equipment.