JP2003251123A - Dust collector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust collector enabling the treatment of cut refuse without stopping processing even if continuous processing is performed over a long time by a machine tool. <P>SOLUTION: The dust collector has a suction port 14 for taking in cut refuse 20 generated by the machine tool, a blower 16 for sucking the cut refuse 20 taken in from the suction port 14, a funnel-shaped hopper 13 constituted so as to allow the cut refuse 20 taken in from the suction port 14 to fall, a chute 26 for collecting the cut refuse 20 from the hopper 13 and a fall port door 50 for opening and closing the chute 26. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust collector for processing chips generated by machine tools.

[0002]

2. Description of the Related Art In recent years, machine tools such as vertical lathes have become more precise, and high-precision vertical lathes for molding optical machine parts have been developed. As shown in FIG. 5, in the machine tool 30 which is a high-precision vertical lathe of this kind, in order to secure the quality of the machined surface of the workpiece, the chips 20 generated by machining are sucked by the dust collection nozzle 34 and It collects in the dust collector 32 through the dust duct 31. The chips 20 collected in the dust collector 32 are accommodated in the bucket 33, and the worker carries out the bucket 33 from the dust collector 32 after processing and processes the chips 20, and then sets the chips 20 again.

[0003]

[Problems to be Solved by the Invention] However, the chip 2
If the machining is interrupted for the processing of 0, the machining accuracy cannot be ensured, and once the machining is started, it cannot be stopped midway, so continuous machining exceeding the capacity of the bucket 33 cannot be performed. For this reason, in the case of continuous machining for several days, there is a problem that the processing of the chips 20 hinders the machining. The dust collector 32 may be made large and the storage capacity of the bucket 33 may be made large, but there is a limit to that.

It is an object of the present invention to provide a dust collector capable of processing chips without stopping the machining even if the machine tool continuously performs machining for a long time.

[0005]

In order to achieve the above-mentioned object, the present invention provides a suction port for taking in chips generated in a machine tool, and a blower for sucking the chips taken in from the suction port. A funnel-shaped hopper configured to drop the chips taken in from the suction port to the lower part,
The dust collector has an outlet for collecting chips from the hopper and an outlet door for opening and closing the outlet.

[0006] Preferably, the dust collector is characterized in that it has a chip receiver for accommodating chips at the lower portion of the outlet.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIG.
~ It demonstrates by FIG. FIG. 1 is an overall view showing the relationship between a dust collector and a machine tool according to the present invention. FIG. 2 is a block diagram of the dust collector. FIG. 3 is a detailed view of the outlet door, showing a state in which the outlet is open, and FIG. 4 is a sectional view showing a state in which the outlet is closed.

As shown in FIG. 1, the dust collector 2 has a main body 21.
A suction port 14 connected to a dust collecting duct 31 that conveys the chips 20 generated in the machine tool 30, which is a high-precision vertical lathe, is provided on the upper side surface of the. Then, as shown in FIG. 2, a hopper 13 for dropping the chips 20 conveyed from the suction port 14 is provided at the center of the inside of the main body 21. The hopper 13 has a funnel shape in which the chips 20 easily fall, and a narrowed outlet 26 is provided in the lower part. An outlet door 50 is provided below the outlet 26. A filter 15 is attached to the upper part of the hopper 13 to prevent the chips 20 from flowing into the blower 16.

A blower 16 is installed in the dust collector 2, and an exhaust duct 19 and a discharge port 28 for discharging to the outside air are provided at the tip of the blower 16. At the lower part of the hopper 13, a bucket 10a that accommodates the chips 20 is movably installed. A sensor 11 that detects the mass of the bucket 10a is provided below the bucket 10a. A door 27 is provided on the side surface of the main body 21 for opening the bucket 10a when it is carried out.

As shown in FIG. 3, the outlet door 50 comprises an air cylinder 40 for driving the lid 43 back and forth, a lid 43, and a guide 44 for guiding the lid 43.

The air cylinder 40 has a flange 42 fixed to the inner wall surface of the main body 21, and a rod 41 connected to a lid 43. The lid 43 is guided by the guide 44 and opens and closes the drop opening 26 as the air cylinder 40 moves forward and backward.

The guide 44 is fixedly attached to the inner wall surface of the main body 21 and the outlet 26, and the outlet 26 is fixed.
The part is perforated with holes 45 so that the chips 20 can pass through. The guide portion 46 is configured to have a gap with respect to the thickness of the lid 43 and guide the lid 43 in a sliding manner.

The amount of chips 20 in the bucket 10a can be detected by an optical sensor or an image sensor. Further, the chip 20 may be housed in the tray instead of the bucket 10a, and the chips housed in the pan can be scraped out and discharged.

As shown in FIG. 2, a control panel 12 for operating the dust collector 2 is attached to the side surface of the main body 21, and various surfaces for operating the dust collector 2 are mounted on the surface of the control panel 12. A start switch, a lamp, and a buzzer are attached. When the control panel 12 detects that the amount of chips 20 of the dust collector 2 has reached a predetermined amount, the control panel 12 turns on the lamp.

Next, the operation of the dust collector 2 configured as described above will be described with reference to FIGS. Empty bucket 10a
Is installed at a predetermined position of the dust collector 2 and the door 27 is closed. The start switch of the control panel 12 is operated to open the outlet door 50. When the start switch for starting the blower of the control panel 12 is turned on, the blower 16 is started, and the dust collector 2 sucks the chips 20 from the chip generating portion of the machine tool 30 and takes them into the suction port 14 through the dust collecting duct 31.

As shown in FIG. 2, the chips 20 are the blower 1
6 is sucked together with air from the suction port 14 into the hopper 13 section. The chips 20 fall in the hopper 12, and the sucked air passes through the filter 15 and the exhaust duct 19
Through the exhaust port 28 and discharged into the air.

The chips 20 that have fallen into the hopper 13 are thrown into the bucket 10a through the lower outlet 26. When the bucket 10a has a predetermined mass, the sensor 11 provided below the bucket 10a detects that the bucket 10a has a predetermined mass, and the detected signal turns on the lamp of the control panel 12,
It also informs the operator by sounding a buzzer.

When the worker knows that the bucket 10a has reached the predetermined amount, he / she operates the start switch of the outlet door 50 of the control panel 12 to close the outlet door 50. At this time, the blower 16 is left operating. The opening / closing of the outlet door 50 can be automatically performed instead of manually operating the start switch.

When the start switch for closing the drop door 50 is operated, as shown in FIG. 4, the air cylinder 40 moves forward, and the lid 43 connected to the tip of the rod 41 of the air cylinder 40 is guided by the guide 44 and dropped. Close mouth 26. When the outlet 26 is closed, the chips 20 are stacked on the lid 43.

Next, the operator opens the door 27 of the dust collector 2, carries out the bucket 10a, and removes the empty bucket from the dust collector 2
To install. Alternatively, it may be installed in the dust collector 2 again after processing the chips 20 of the bucket 10a. The worker
When the bucket 10a is installed, the door 27 is closed and the control panel 12
Operate the start switch to open the outlet door 50 of the
0 is opened.

When the start switch for opening the outlet door 50 is operated, the air cylinder 40 moves backward, as shown in FIG.
The lid 43 connected to the tip of the rod 41 of the air cylinder 40 is guided by the guide 44 to open the drop opening 26. When the drop opening 26 is opened, the chips 20 are again loaded into the bucket 10a.

As described above, when the bucket 10a of the dust collector 2 becomes full, the drop opening 26 is closed, the bucket 10a is taken out, an empty bucket is installed in the dust collector 2, and the drop opening 2 is again provided.
Since 6 is opened and chips are dropped into the bucket 10b, the chips 20 are continuously processed without stopping the dust collector 2. Therefore, the machine tool 30 can perform continuous machining for a long time over several days without stopping the machining.

The present invention is not limited to the above-described embodiment, but includes modifications and alterations within the scope of the present invention. For example, in the present embodiment, the air cylinder is used to drive the lid 43 of the outlet door 50, but it may be hydraulically or electrically driven. Further, the outlet door 50 is configured such that the lid 43 is slidably driven and guided by the guide 44, but the present invention is not limited to this, and the outlet door itself may have a hinge shape to close the outlet 26. Further, the chip receiver may be of any shape, such as a dish, as long as it can store chips.

[0024]

As described above, in the present invention,
A sloping door for closing the hopper's outlet is provided to close the outlet and process chips, so even if continuous machining is performed for a long time on a machine tool, the chip can be processed without stopping the machining. It became a possible dust collector.

[Brief description of drawings]

FIG. 1 is an overall view showing a relationship between a dust collector and a machine tool according to the present invention.

FIG. 2 is a configuration diagram of a dust collector according to the present invention.

3 is a detailed view of the outlet door of FIG. 2 and is a cross-sectional view showing a state in which the outlet is open.

FIG. 4 is a detailed view of the outlet door of FIG. 2 and is a sectional view showing a state in which the outlet is closed.

FIG. 5 is an overall view showing a relationship between a conventional dust collector and a machine tool.

[Explanation of symbols]

2 dust collector 10a bucket 11 sensors 12 control panel 13 hopper 14 Inhalation port 15 filters 16 Blower 19 Exhaust duct 20 chips 26 Outlet 27 doors 28 Exhaust port 40 cylinders 41 rod 42 flange 43 Lid 44 Guide 45 holes 46 Guide part 50 outlet door

Claims (2)

[Claims] 1. A suction port for taking in the chips generated in a machine tool, a blower for sucking the chips taken in from the suction port, and a chip for dropping the chips taken in from the suction port to the lower part. A dust collector comprising: a funnel-shaped hopper configured, an outlet for collecting chips from the hopper, and an outlet door for opening and closing the outlet. 2. The dust collector according to claim 1, further comprising a chip receiver for storing chips at a lower portion of the outlet.