KR100711640B1 - Filter device for machine tools - Google Patents

Abstract

The present invention relates to a filter for a machine tool, the body and the cap is configured to have a more firm coupling force and at the same time the exchange is more easily performed, it is implemented to improve the filtration capacity, service life and the like.

To this end, the present invention, in the filter is coupled to the main body with a built-in filter body between the inner, outer body, and the cap for closing the opening of each end of the main body, extending bending to the outer or inner circumference of the cap coupled to the main body An extension is formed, and the extension bent portion is integrally extended at the outer or inner circumference of the cap to be bent to maintain a space in which the adhesive is filled between the main body and the main body.

In addition, the present invention is a slot plate is inserted into one point of the filter body is coupled to the connection end of the filter medium on both sides of the slot plate, respectively, the inlet hole is formed at the point of the cap corresponding to the longitudinal direction of the inner space of the slot plate It is configured.

Machine Tools, Wire Cutting Machines, Filters, Filters, Filters

Description

Filter for machine tools {Filter device for machine tools}

1 is a side cross-sectional view of a conventional strainer.

2 is a side cross-sectional view of the filter according to the present invention.

Figure 3 is a perspective view of a part of the filter according to the present invention.

4 is a cross-sectional view of the filter according to the present invention.

5 is a perspective view of the main configuration of a further embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: body 11: external body

12: internal body 20: filter medium

21: end 30: cap

31, 33: extension bend 32: adhesive

34: inlet hole 40: slot plate

The present invention relates to a filter for a machine tool, the body and the cap is configured to have a more firm coupling force and at the same time the exchange is more easily carried out, it is implemented to improve the filtration capacity, service life and the like.

Machine tools include wire cutting machines, lathes, milling, and especially computerized numerical control (CNC) machines that automate them. These machines supply coolant to cool the heat generated when machining the workpiece. Done.

Such cooling water is discharged together with chips, dust, etc. generated by processing the object, and at this time, the chips are filtered by a filter (sometimes called a filter) installed in the discharge path, and only the cooling water is discharged to recycle or It is processed outside.

1 is a cross-sectional view showing a conventional configuration of the above-described filter.

Referring to FIG. 1, the filter includes a main body 1 that is an exterior, a filter body 4 for filtering chips, dust, and the like, which are mounted inside the main body 1 and discharged together with the cooling water, and the main body 1. The upper and lower ends of the cap 5 is composed of.

The main body 1 is divided into an outer body 2 and an inner body 3, and the outer body 2 and the inner body 3 are formed by forming a cylindrical shape in which a plurality of through holes are arranged in a cylindrical shape. It is to be noted that the filter body 4 is formed with a plurality of pleats radially to expand the filtration area.

In addition, the cap 5 is mainly formed with a skirt portion 6 to be fitted to the outside of each end of the outer body 2 and the inner body 3 and is fitted to the outer body 2 and the inner body 3 It stays in a bonded state.

Such a filter flows in the cooling water which has been cooled by the cooling water inlet hole formed in the cap 5 on one side, and the cooling water is filtered by the filter body 4 so that the outer body 2 or the inner body 3 is filtered. It is discharged to the outside through the through hole.

In the conventional filter described above, when the coolant passes through the filter to be filtered, the upper and lower caps generate pressure to escape to the outside by the inflow pressure of the coolant. When the upper side of the cap is lifted and lifted by a tool such as a forceps to take out the upper or lower cap is released.

In particular, such a problem is that the chip of the workpiece is filtered and the load increases, so that the cap is removed frequently, and the filter having the cap removed needs to be lifted by the operator to check the space situation where the filter is mounted. This is a cumbersome process.

The present invention has been invented to solve the above problems, the combination of the main body with a built-in filter body, and the cap coupled to each open end of the main body to maintain a more solid state, the separation of the cap when replacing the filter The purpose is to provide a filter to prevent the.

In order to achieve the above object, the present invention has the following configuration.

The present invention provides a filter in which a main body having a filter body built in between an inner and outer body and a cap for closing an open portion at each end of the main body are combined.

An extension bent portion is formed on the outer circumference and the inner circumference of the cap coupled to the main body, and the extension bent portion is integrally formed on the outer circumference and the inner circumference of the cap to form a space between the main body and an adhesive filled in the space. It is done.

Hereinafter, exemplary embodiments of the present invention to which the above configuration is applied will be described in detail with reference to the accompanying drawings.

Figure 2 is a side cross-sectional view of the filter according to the present invention, Figure 3 is a partial cutaway perspective view of the cap taken from the filter of Figure 2, Figure 4 is a flat cross-sectional view of the filter according to the present invention.

Referring to the drawings, the filter according to the present invention is configured by combining the main body 10 in which the filter body 20 is embedded, and the cap 30 closing the open portion of the upper and lower ends of the main body 10.

Here, the filter body 20 is formed in the form of a corrugated pipe in order to expand the filtration area to improve the filtration efficiency, the body 10 is divided into the inner, outer body (11, 12) and the inner, outer body (11) , 12) is as well known that each of the plurality of through holes are formed by perforating the plate arranged in a cylindrical arrangement.

In the filter having such a basic configuration, the coupling point of the main body 10 and the cap 30 is provided with means for maintaining a high coupling force.

Extension means 31 is formed on the outer periphery which is a point corresponding to the outer body 11 of the main body 10 by the means, the extension bent portion 31 is integrally formed on the outer and inner circumference of the cap 30 And bent to maintain a space in which the adhesive 32 is filled between the body 10.

The extended bending portion 31 may be formed in various shapes such as a triangular shape, a triangular shape, a square shape, a "C" shape, and the like, and the filling space is filled in order to fill the adhesive in a sufficiently stable state. It is bent while maintaining the shape of "C" or "C" which maintains a square or hemisphere.

At this time, the extension bent portion 31 may be applied to the inner circumference of the cap 30 at the point corresponding to the inner body 12, which further reinforces the adhesive force of the extension bent portion 31 on the outer body 11 side It is a configuration that is applied to a large (high filtration) filter.

On the contrary, when the size of the filter is such that the extension bending portion 31 on the inner body 12 side does not need to be formed, the extension bending portion 33 on the inner body 12 side is attached to the inner body 12. The inner circumferential end of the cap 30 to be coupled is inclined bent toward the inner body 12 side, and the bent end is configured to contact-press the inner body 12. Of course, it is possible to further solidify the bonding state by filling the adhesive 32 into the extension bent portion (33).

That is, the main body 10 has the outer circumferential surface and the inner circumferential surface of the outer body 11 and the inner body 12 being bited by the extension bent portions 31 and 33 on both sides to obtain a more firm coupling state. It is possible to obtain a higher bonding force by the rich adhesive 32 filled in the internal space of the extension bent portion (31, 33).

In addition, the extension bent portion 31 becomes a step that is caught after holding the forceps when using a tool such as forceps to replace the filter can be replaced more safely and quickly.

Additional Examples

Figure 5 is a perspective view showing the appearance of the slot plate applied to a further embodiment of the present invention, the slot plate of the figure is applied as in Figures 2 and 4.

The construction of a further embodiment has already been presented in Korean Patent Application No. 1997-0047074 (name: Filter for Machine Tools, hereinafter the Invention), which the applicant has filed and patented on September 12, 1997.

The filter of the present invention is inserted into the slot plate 40 at one point of the filter body 20, the connecting end 21 of the filter body 20 is fixed to both sides 41 of the slot plate 40, respectively, The inlet hole 34 is formed at the point of the cap 30 corresponding to the longitudinal direction of the inner space of the slot plate 40.

Here, the slot plate 40 has both sides 41 are tapered in a tapered shape, and the engaging portions 42 are bent at the ends of both sides 41 so that both connecting ends 21 of the filter body 20 are formed. It is configured to be coupled to the locking portion (42).

According to the present application, a further embodiment of the filter can be equipped with the filter body 20 coupled to the slot plate 40 directly below the inlet hole 34, thereby improving the filtering capacity per unit size of the filter and It will increase the service life.

Since the coupling structure of the inner body, the outer body 11, 12 and the cap 30 in which the filter body 20 is built is the same as in the original embodiment, the above description is omitted, and the configuration of the further embodiment is that of the original embodiment. In parallel with the configuration, it is possible to release better products.

As described above, the present invention maintains a more solid state of the coupling between the main body and the cap, thereby preventing the detachment of the cap when the filter is replaced, thereby obtaining an effect of eliminating time loss in operation.

In addition, the configuration of the present application can be applied to improve the filtration performance and the service life of the filter at the same time as the above effect is obtained an effect that can implement a better product.

Claims (5)

In the filter in which the main body 10 in which the filter body 20 is built in between the inner and outer bodies 11 and 12 and the cap 30 which closes the open part of each end part of the main body 10 are combined, Extension bending portions 31 and 33 are formed on the outer and inner circumferences of the cap 30 coupled to the main body 10, and the extension bending portions 31 and 33 are integrally extended on the outer and inner circumferences of the cap 30. A space is formed between the body 10 and the adhesive 32 is filled in the space; The extended bent portion 33 is configured such that the inner circumferential end of the cap 30 coupled to the inner body 12 is inclined bent toward the inner body 12, and the bent end portion is configured to contact-press the inner body 12. Filter for machine tools. The method of claim 1, wherein the extended bending portion 31 Filter for machine tool, characterized in that bent while maintaining the cross-sectional shape of "c" or "C". delete The method according to claim 1 or 2, The slot plate 40 is inserted at one point of the filter body 20 so that both ends 41 of the slot plate 40 are coupled to and fixed to the connecting ends 21 of the filter body 20, respectively. 40) The machine tool filter, characterized in that the inlet hole 34 is formed at the point of the cap 30 corresponding to the longitudinal direction of the inner space. According to claim 4, The slot plate 40 has both side surfaces 41 are formed to be tapered inclined, and the engaging portion 42 is bent at the ends of both side surfaces 41 is connected to both ends of the filter body 20 Filter for machine tool, characterized in that 21 is configured to be coupled to the engaging portion (42).

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