JP2000158283A - Treating method and device for cutting chip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a treatment method for cutting chips treating the cutting chip quickly and safely, requiring no space for storing the cutting chip before pulverization, and pulverizing them even by a small-capacity pulverizer. SOLUTION: This treating method for cutting chips is that the cutting chips are carried by suction, a passage is abruptly enlarged in the midway of the carrier so that the cutting chips are sedimented from a carrier air by the gravity, the separated cutting chips are made to drop in a pulverizer provided downward by the natural fall afterward, and the sucked and carried cutting chips are pulverized by the pulverizer in order.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for treating chips.

[0002]

2. Description of the Related Art At work sites dealing with NC lathes, general-purpose lathes, drills and the like, cutting chips generated from the NC lathes and the like are:
From the viewpoints of safety, workability, etc., quick removal and removal are very important issues.

In recent years, therefore, a measure has been taken in which a suction duct is installed in a machine such as an NC lathe and suction dust is sequentially removed by the suction duct during operation.

[0004] Here, the shape and dimensions of the cutting chips vary depending on the material of the object to be processed, cutting tools, cutting conditions, and the like, but in many cases, the chips are curled. Therefore, the cuttings collected by suction are bulky and have a very large volume. Therefore, cutting waste collected by a crusher having a powerful blade is crushed, and the volume thereof is reduced to about one-fifth to reduce transportation and disposal costs.

[0005]

However, in the above-mentioned conventional method for treating cutting chips, the cutting chips generated from the NC lathe or the like are removed by means of suction, conveyed and once collected in one place. After that, the collected swarf is transferred to the crusher manually or by a conveyor at an appropriate time, and the crushing process is performed, so that the processing of the swarf is complicated, and the collected swarf before the crushing is collected. A space for storing the cuttings that have been collected, and a large-capacity crusher for crushing the collected cuttings in a short time is required, and when transferring the collected cuttings to the crusher by hand, There was also a problem in terms of safety.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the conventional method for treating cutting chips, and has as its object to quickly and safely treat cutting chips.
An object of the present invention is to provide a method and an apparatus for processing cutting chips that do not require a space for storing cutting chips before pulverization and that can be pulverized by a pulverizer having a small capacity.

[0007]

Means for Solving the Problems The inventors of the present invention have repeatedly studied to achieve the above object, and as a result, if the cutting chips conveyed by suction can be pulverized each time, the above object is achieved. The present invention has been completed by considering that all of them can be achieved.

That is, according to the present invention, the cutting chips are conveyed by suction, and the cutting chips are separated from the conveying air by gravity sedimentation by abruptly enlarging the flow path during the conveyance. The chips were dropped into a crusher provided below, and the swarf sucked and conveyed by the crusher was sequentially crushed. Also,
The present invention includes a suction blower, a case that is depressurized by the suction blower, a crusher provided inside the case, and a suction duct that is connected in a state of communicating above the case. It was used as a processing device for cutting chips.

According to the above-described method and apparatus for processing cutting chips according to the present invention, the cutting chips conveyed by suction can be pulverized each time, so that the cutting chips can be quickly removed. And it can be processed safely,
A space for storing the cutting chips before the pulverization is not required, and the pulverization processing can be performed even with a pulverizer having a small capacity.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the above-described method and apparatus for processing chips according to the present invention will be described.
This will be described in detail with reference to the drawings.

FIG. 1 is a view conceptually showing one embodiment of a method for treating cutting chips according to the present invention.

As shown in FIG. 1, a plurality of auxiliary pipe ducts 2 branched from a main pipe duct 1 are provided on a plurality of machine tools A such as an NC lathe where cutting chips are generated. The main pipe duct 1 is connected to a portion of the machine A where cutting chips are generated in a desired state, and the open end of the main pipe duct 1 is connected to a cutting chip processing device 3.

As shown conceptually in FIGS. 2 and 3, the processing device 3 for cutting chips has a suction blower 5 installed above the inside of a case 4 and a crusher 6 for cutting chips below the inside. Is provided.

The suction port 7 of the suction blower 5 opens through a filter 11 to a space 10 defined by an intermediate wall 8 inside the case 4 and an input port 9 of the crusher 6, and the main pipe duct is provided. The open end of the case 1 is provided in the space 10 defined by the intermediate wall 8 and the inlet 9 of the crusher 6, and the side wall of the case 4 farthest from the portion where the suction port 7 of the suction blower 5 is open. Are connected so as to communicate with each other through a hole 12 formed in the hole. A discharge port 13 of the suction blower 5 is provided with a hole 14 formed in a top plate of the case 4.
Is opened through the filter 15 at the position of the.

The crusher 6 for cutting chips has a funnel-shaped inlet 9 at an upper portion thereof. The swarf fed from the inlet 9 is supplied with a fixed blade and a tough cutter rotated by a motor 16. This is a pulverizer of a known structure that is pulverized by meshing with and then dropped downward.

The lower part of the case 4 in which the suction blower 5 and the crusher 6 are housed is narrowed down to a quadrangular pyramid as shown in the figure, and a slide shutter 17 is provided at the lowermost end. An inspection door 18 is provided on a lower side wall of the case 4.

In processing the cutting chips using the apparatus configured as described above, the suction blower 5 and the crusher 6 are operated.

Then, due to the suction action of the suction blower 5, the space 10 defined by the intermediate wall 8 inside the case 4 and the charging port 9 of the crusher 6 is first decompressed. A suction force acts on the main pipe duct 1 and the sub pipe duct 2 branched from the main pipe duct 1 so as to communicate with each other, so that cutting dust generated from a machine tool A such as an NC lathe can be removed by the ducts 1 and 2. Suction and transport.

When the cuttings conveyed through the sub pipe duct 2 and the main pipe duct 1 reach the space 10 inside the case 4, the flow path of the chips rapidly expands, so that the flow velocity of the conveying air sharply increases. Since the gravitational force acting on the cutting chips surpasses the conveying force of the conveying air, the chips are separated from the conveying air by gravity sedimentation and fall downward as shown by a solid line in FIG. On the other hand, the transport air is sucked into the suction port 7 of the suction blower 5 through the filter 11 as shown by the broken line in FIG. 2, and becomes clean air from the discharge port 13 to the outside of the case 4 through the filter 15. Is discharged.

The cutting chips separated from the carrier air in the space 10 inside the case 4 thereafter fall naturally, fall into the inlet 9 of the crusher 6 located below, and are sequentially crushed by the crusher 6. Its volume is reduced.

The cutting chips subjected to the pulverization process fall below the pulverizer 6 and accumulate in the lower part of the case 4. By operating the slide shutter 17 at an appropriate time,
It is discharged out of the case 4.

If the cutting chips are treated as described above, the cutting chips generated in the machine tool A can be quickly removed and carried out of the machine tool A by suction, and the carried cutting chips are once removed to one place. Since the crushing process is performed sequentially without collecting the swarf, a space for storing cutting chips before crushing is not required, and the crushing process can be performed even with a crusher having a small capacity. In addition, since the chips do not come into contact with humans from the removal and removal of the chips to grinding, the chips can be processed safely.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and the technical idea of the present invention, that is, the cutting waste is conveyed by suction. The cutting chips are separated from the conveying air by gravity sedimentation by abruptly expanding the flow path in the middle of the conveyance, and the separated cutting chips are dropped into a crusher provided below by natural fall, and the crusher A technical idea of sequentially grinding the cutting chips sucked and conveyed, or a suction blower, a case in which the pressure is reduced by the suction blower, a crusher provided in the lower part of the case, and an upper part of the case. Various modifications and changes are possible within the scope of the technical idea of a cutting chip treatment device provided with a suction duct connected in a communicating state.

For example, in the above-described embodiment, a description has been given of a case where the opening end of the suction duct is connected to a portion of a plurality of machine tools where cutting chips are generated in a desired state.
A suction duct dedicated to one machine tool may be used, and a suction blower is operated at an appropriate time when a certain amount of dust is collected without removing and carrying out cutting chips generated from the machine tool each time. It is good also as making it reject and carry-out via. Further, the suction duct may be used like a vacuum cleaner, and the cutting waste present on the machine tool or on the floor around the machine tool may be sucked and conveyed from the open end of the suction duct.

Further, in the above-described embodiment, the integrated apparatus in which the suction blower is housed in the case has been described. Naturally, an existing suction blower existing outside is used, and a pulverizer is provided below. Alternatively, the cutting chips may be sucked and transported to the case.

Further, in the above embodiment, the case where the slide shutter is provided at the lower portion of the case has been described. However, the screw conveyor is provided at the lower portion of the case.
The structure may be such that the crushed chips are sequentially discharged while the case is kept airtight.

The above-described method and apparatus for processing cutting chips according to the present invention are not limited to iron, but also cut special materials such as SUS, non-ferrous metals such as aluminum, plastics, stones and the like. It can be applied to the treatment of all cutting chips generated at the time. However, it is necessary to select the capacity of the suction blower to be used, the type of the crusher, and the like according to the material, shape, dimensions, and the like of the cutting waste.

[0028]

According to the above-described method and apparatus for processing chips according to the present invention, the chips conveyed by suction are pulverized each time.
There is an effect that the cutting chips can be quickly and safely processed, a space for storing the cutting chips before pulverization is not required, and the pulverizing process can be performed even with a pulverizer having a small capacity.

[Brief description of the drawings]

FIG. 1 is a perspective view conceptually showing an embodiment of a method for treating cutting chips according to the present invention.

FIG. 2 is a cross-sectional view conceptually showing an embodiment of a processing device for cutting chips according to the present invention.

FIG. 3 is a cross-sectional view of another portion conceptually showing an embodiment of a cutting waste processing apparatus according to the present invention.

[Explanation of symbols]

 Reference Signs List A machine tool 1 main pipe duct 2 sub pipe duct 3 cutting waste processing device 4 case 5 suction blower 6 crusher 7 suction port 8 intermediate wall 9 input port 10 space 11 filter 12 hole 13 discharge port 14 hole 15 filter 16 motor 17 slide Shutter 18 Inspection door

Claims (2)

[Claims] The cutting chips are conveyed by suction, and the cutting chips are separated from the conveying air by gravity sedimentation by abruptly enlarging the flow path during the conveyance. A method for treating cutting chips, wherein the cutting chips are dropped into a provided crusher and the crushed chips sucked and conveyed by the crusher are sequentially crushed. 2. A suction blower, a case to be decompressed by the suction blower, a crusher provided in the lower part of the case, and a suction duct connected in a state of communicating with the upper part of the case. A processing device for cutting chips, comprising: