JPH11113821A - Floor polishing buff machine and buffing solution dripping device for this buff machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve operability to dripping of solution by constituting so as to stop the dripping when a changeover switch of a dripping device is turned off at this dripping time by automatically dripping a buffing solution when traveling in a condition where the dripping device is turned on and a pad rotating condition. SOLUTION: A propelling wheel 7 rotated by a motor 3 is arranged in a central place of an under surface of a car body 2, and a pad stand 8 rotated by a motor 4 is arranged in a rear side place, respectively. A cover 13 having a shroud skirt 12 is put on a periphery of an upper surface and an outer peripheral edge surface of the pad stand 8, and a suction port 14 is arranged on the outer peripheral edge of this cover 13. A dust collecting bag type dust absorbing device part 16 to suck wind through a hose 15 from the suction port 14, is arranged in a rear part of the car body 2. A temporary storage part 22 for a buffing solution is installed on a side wall of a buff machine main body 1, and a solution tank 44 is arranged in its upper part, and the solution is dripped in the center of a pad 9 through a hose 33 and a solenoid valve opened/closed by operation of a changeover switch 54.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buffing solution tank provided on a motor-driven floor polishing buffing machine body for polishing a floor by rotating and moving a pad while rotating the pad. The present invention relates to a floor polishing buffing machine for dropping a buffing solution through a road and a buffing solution dropping device for the buffing machine.

[0002]

2. Description of the Related Art A floor buffing machine of this type, which has been conventionally known, applies a negative pressure to the outside of a dropping port of a pipe (hose) for dropping a buffing solution from a tank to a central portion of a pad, and simultaneously controls a pressure of the dropping pipe. An external air intake pipe that is open to the outside air is connected on the way, and the intake port of the external air intake pipe is provided at a position where the driver can easily close or open with his / her finger,
The dripping is performed when the outside air intake port is closed by a finger.

[0003]

The floor polishing buffing machine of the type described in the above prior art has the trouble that the dropping operation of the buffing solution has to be performed by the opening and closing operation with fingers, and it is necessary to be familiar. The amount of liquid to be dispensed varies greatly depending on the user, resulting in unevenness rather than quantitative measurement. The processing area per unit amount is narrow, and economical efficiency is poor.

[0004] It is an object of the present invention to provide a new floor polishing buffing machine which has been devised to solve the above-mentioned defects at once and other devises, and a buffing solution dropping device for the buffing machine.

[0005]

According to a first aspect of the present invention, there is provided a floor polishing buffing machine according to the present invention, in which a motor driven floor polishing buffing machine for polishing a floor by moving a pad while rotating the pad is buffed. Set up a solution tank,
A buffing solution is dropped from the tank via a pipe to the center of the pad, and a cover is placed around the top surface and the outer peripheral surface of the pad, and opening and closing is controlled by an electric signal in the middle of the pipe. The opening is provided at a location near the exit side of the opening / closing section, and an electric signal for controlling the opening / closing section is extracted from the electric circuit of the motor.

According to a second aspect of the present invention, the floor polishing buffing machine has an opening / closing unit that is an electromagnetic valve.

A floor polishing buffing machine according to a third aspect of the present invention is characterized in that a negative pressure is applied to the outside of the drip port of the pipeline and an opening to the outside air is provided at a location near the opening / closing portion in the pipeline.

According to a fourth aspect of the present invention, there is provided a buffing solution dropping device for a floor polishing buffing machine, wherein a solution tank can be attached to a machine body via an attachment member, and the buffing solution is applied to the solution tank to a central portion of a pad. A circuit for connecting the pipes to be dropped is provided with an opening / closing section which is opened and closed by control of an electric signal in the middle of the pipe. Connected by

The buffing solution dropping device for a floor polishing buffing machine according to claim 5, wherein the opening and closing part is an electromagnetic valve,

According to a sixth aspect of the present invention, there is provided a buffing solution dropping apparatus for a floor polishing buffing machine, wherein an electric signal for controlling an opening / closing section is extracted from an electric circuit of a motor via a photocoupler switch.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention shown in the drawings is a floor polishing buffing machine, in which a main body 1 has a vehicle body 2, a running motor 3, a pad rotating motor 4, and a battery for these motors 3, 4. 5, and a propulsion wheel 7 is also rotated by the pad rotation motor 4 at a rear portion of the vehicle body 2 while a turning caster 6 is also driven by the traveling motor 3 at the front portion of the lower surface of the vehicle body 2. Each of the pad bases 8 is provided in such a state that the polishing pads 9 are exchangeably mounted on the lower surface of the pad bases 8, and the rotation and propulsion of the pad rotation motor 4 when twisted forward at a position above the rear surface of the vehicle body 2. When the forward movement of the propulsion wheel 7 is further twisted (released), the rotation of the pad rotation motor 4 and the backward movement of the propulsion wheel 7 are further loosened (released).
And a speed control grip 10 for stopping the wheels 7.

A cover 13 with a shroud skirt 12 is placed around the upper surface and the outer peripheral edge of the pad base 8, and a suction port 14 is provided on the outer peripheral edge of the cover 13. A dust-collecting bag-type dust-absorbing device section 16 that absorbs air through a hose 15 is provided, and a dust control grip 17 is provided above the rear surface of the vehicle body 2 so as to be symmetrical with the speed control grip 10 left and right.

Further, various meters 1 are provided at a position slightly forward between the speed control grip 10 and the dust control grip 17 on the rear upper surface of the vehicle body 2.
Similarly, various switches 20 are provided on the side surface, and a forward / reverse selection switch 21 is provided in the switches 20 so that high-speed forward, low-speed forward, and low-speed reverse can be selected.

Further, separately from the buff machine main body 1,
A temporary storage part 22 for the buffing chemical liquid is provided at a lower end and a mounting member 24 having a holding frame 23 at an upper end part is configured. The mounting member 24 is mounted on a side surface of the buffing machine main body 1 and a bottom wall of the temporary storage part 22 is provided. The connecting short pipe 26 is provided downward in the dropping hole 25, and the electromagnetic valve 2 is connected to the connecting short pipe 26 in communication with the dropping hole 25.
7 and a T-shaped pipe 28
And an L-shaped tube 2
A hose 33 for guiding a chemical solution for buffing is connected to an outside air inlet 31 serving also as a connection port of a water hose via a pipe 9 and a U-shaped pipe 30, and a hose 33 for guiding a chemical solution for buffing to a downward port 32 of a T-shaped pipe 28. The part is fixed to the cover 13 in such a state that the chemical solution for buffing drops from the tip to the center of the pad (buff) 9.

Further, a gantry member 36 having a dispensing hole 35 on its upper surface is inserted into the temporary storage section 22.
A horizontal bar portion 37 is provided below the dispensing hole 35, a screw hole 38 is formed in the horizontal bar portion 37, and a screw rod 39 is screwed into the screw hole 38 so as to be adjustable in height.

Separately from these, a buffing chemical solution vertical type solution tank having a hard plastic with a handle 40 at the upper end and an outlet 41 at the lower end surface and a filling port 43 with a cap 42 at an upper portion on the front side. A valve element (not shown) which constitutes an opening 44 when it is pushed into the outlet 41 of the solution tank 44 by an external force.
When the solution tank 44 is dropped into the holding frame 23 of the mounting member 24 from above, the valve body of the stop valve 46 is pushed by the pressure contact with the screw rod 39 to be opened. It was made.

The opening and closing of the electromagnetic valve 27 is performed by extracting a high-speed signal or a low-speed signal from the buffing machine body 1 operated by the selection of the forward / reverse selection switch 21 and the operation of the speed control grip 10 via the photocoupler switch 48. A valve opening / closing interval pulse generating circuit 50 which obtains a valve opening / closing interval pulse via an opening / closing interval time switching circuit 49 based on the high / low speed signal, and forms a valve opening / closing interval pulse generating circuit 50 A valve opening / closing pulse is input to a valve driver circuit 51 to open / close the valve 27. In the drawing, reference numeral 52 denotes a resistance for adjusting the dripping speed performed during forward high-speed operation, reference numeral 53 denotes a resistance for adjusting the dripping speed performed during forward / reverse low-speed operation, and reference numeral 54 denotes a dropping resistance. Input switch to select whether to perform, 5
Reference numeral 5 denotes a controller that integrates the on / off switch 54, the on / off display lamp 56, and the control unit of the electromagnetic valve 27 including the above circuits.

[0018]

Next, the buffing machine according to the present invention comprises a grip 1
With the feet 0 and 17 loosened, the foot is placed on the rear side of the cover 18, the head lock (not shown) is stepped down to the lower position, the feet are removed, and after this removal, the speed control grip 10 and the dust control grip 17 are removed. The buffing work of the floor is performed by operating the pad while rotating the pad, and the pad is pressed against the floor by sucking air, starting with moving forward or backward.

As the buffing solution, Easy Gloss (trade name) excellent in film repair and buffing property, EG wax (trade name) excellent in wound filling and gloss restoring property, and excellent buff gloss restoring property after washing. EG cleaner (product name)
Use etc. In the above embodiment, the machine body and the dropping device are connected by using a photocoupler switch circuit. However, the present invention can be implemented by a circuit using a diode, a transistor, a proximity switch, and the like.

[0020]

The floor polishing buffing machine according to the first aspect of the present invention and the floor polishing buffing machine equipped with the buffing solution dripping apparatus according to the third aspect run while the dripping apparatus is turned on and the pad is rotated. In this case, the buffing solution is automatically dropped, and if the on / off switch of the dropping device is turned off during the dropping, the dropping is stopped. The operation can be made unnecessary.In addition, the drip volume increases as the speed increases during running, and decreases as the speed decreases.There is a risk that the amount of liquid discharged may differ depending on the user. It is possible to apply evenly and without buffing. The processing area is constant. As a result, the processing area increases, thereby improving the economical efficiency. Further, the opening / closing part is a solenoid valve, and the opening / closing part and the electric circuit of the motor are provided. Is connected by a photocoupler switch circuit, so that low cost can be realized. Since the machine body and the buffing solution dropping device are separated by the photocoupler switch circuit, the machine body and the buffing solution dropping device are dropped on the electric circuit of the machine body. The preferred effects are obtained such that the operation is assured without affecting the electric circuit of the device.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a preferred embodiment of the present invention.

FIG. 2 is an exploded perspective view of the main part.

FIG. 3 is a partially cut-away enlarged side view of a main part.

FIG. 4 is a driver block diagram of the electromagnetic valve.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Buff machine main body 2 Body 3 Running motor 4 Pad rotation motor 5 Battery 6 Caster 7 Propulsion wheel 8 Pad base 9 Pad 10 Speed control grip 12 Skirt 13 Cover 14 Suction port 15 Hose 16 Dust absorbing unit 17 Dust control grip 19 Meters DESCRIPTION OF SYMBOLS 20 Switches 21 Forward / reverse selection switch 22 Temporary storage part 23 Holding frame 24 Attachment member 25 Drop-off hole 26 Connecting short pipe 27 Electromagnetic valve 28 T-shaped pipe 29 L-shaped pipe 30 U-shaped pipe 31 Outside air inlet 32 Downward opening 33 Hose 35 Dispatch hole 36 Mount member 37 Side bar 38 Screw hole 39 Screw rod 40 Handle 41 Outlet 42 Cap 43 Filling port 44 Tank 46 Stop valve 48 Photocoupler switch 49 Open / close interval time switching circuit 50 Pulse open / close interval pulse Generating circuit 51 bulb Dry over circuits 52 and 53 adjusting resistor 54 ON OFF switch 55 controller 56 display lamp

Claims (6)

[Claims] 1. A buffing solution tank is provided in a motor-driven floor polishing buffing machine body for polishing a floor by moving the pad while rotating the pad, and the buffing solution is dropped from the tank via a pipe line to a central portion of the pad. A cover is placed around the top surface and the outer peripheral edge of the pad, and an opening / closing unit that opens and closes in the middle of the pipeline under the control of an electric signal is opened to the outside air at a location near the exit side of this opening / closing unit. A floor polishing buffing machine wherein a mouth is provided, and an electric signal for controlling the opening / closing section is taken out from an electric circuit of the motor. 2. The floor polishing buffing machine according to claim 1, wherein the opening / closing section is a solenoid valve. 3. The floor polishing buffing machine according to claim 1, wherein a negative pressure is applied outside the dropping port of the pipeline, and an opening to the outside air is provided at a location near the opening / closing portion in the pipeline. 4. A solution tank is attachable to a machine body via a mounting member, and a pipe for dropping a buffing solution is connected to a central portion of a pad to the solution tank. A buffing solution for a floor polishing buffing machine, comprising: an opening / closing section that opens and closes under control of the machine, and a circuit for extracting an electric signal for controlling the opening / closing section from an electric circuit of a motor of the machine body. Dropping device. 5. The apparatus according to claim 4, wherein the opening / closing part is an electromagnetic valve. Dropping device for buffing chemicals and other solutions for buffing machines. 6. The buffing solution dropping device for a floor polishing buffing machine according to claim 4, wherein an electric signal for controlling the opening / closing section is taken out from an electric circuit of the motor via a photocoupler switch.