KR20170114532A - Cutting fluid collecting apparatus using vaccum pipe line - Google Patents

Abstract

According to an embodiment of the present invention, there is an effect that the cutting oil used in the vacuum jig can be efficiently collected and recovered. To this end, in particular, the present embodiment relates to a cutting oil collecting apparatus for collecting cutting oil, comprising: a first suction unit having a first suction port connected to a first vacuum pipe on the side of the vacuum jig, and a second suction pipe connected to a second vacuum pipe on the vacuum pump side A coolant collecting part having an atmospheric hole collecting the coolant introduced from the first suction part and allowing the outside atmosphere to pass through the coolant collecting part; And a vacuum activating means for selectively opening and closing the second suction port and the atmospheric hole.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cutting fluid collecting apparatus using a vacuum pipe,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for collecting cutting oil used in a vacuum jig, and more particularly, to a cutting oil collecting apparatus collecting a cutting oil flowing into a vacuum pipe of a vacuum jig.

When machining work such as tapping by fixing a workpiece to a jig through a processing device such as CNC (computer numerical control), a cutting fluid is used to reduce the heat generated during machining and to improve tool life and surface quality , And this coolant is used at a level that exceeds approximately 10,000 won on a one-for-one basis of the machining equipment.

These cutting oils are non-water soluble cutting oil and water soluble cutting oil, which is a type of lubricant used to cool or lubricate cutting tool parts to extend tool life or to clean finished surfaces when machining a workpiece such as a metal material.

The cutting oil sprayed in the machining apparatus is generally collected and recovered by forming a cutting oil passage on the bottom of the machining apparatus, and may be reused by filtering impurities such as chips.

On the other hand, when a workpiece is mass-produced, a vacuum jig for fixing the workpiece by a vacuum method is used. In addition to the portion that falls to the bottom of the processing apparatus, a cutting oil flows into the vacuum tube and is accumulated in the filter frequently. In this case, it is necessary for the worker to disperse and collect the coolant accumulated in the filter in the processor, which incurs unnecessary costs in production and inconvenience such as checking the amount of coolant accumulated in the filter. Especially, when the cutting oil reaches the vacuum pump, it may cause the failure of the vacuum pump.

Conventional prior art related to the technology of collecting and recovering such cutting oil has not been found, and in the Korean Registered No. 10-1191653, a cutting oil supply pipe is formed in a cutting processing device so as to uniformly spray the cutting oil on the object to be worked by the vacuum jig Or a device for purifying cutting oil generally collected in a processing apparatus, and the like. It is obvious that the above-mentioned prior patent can still cause the aforementioned problems.

Accordingly, there is a need for a coolant collecting device capable of efficiently collecting and recovering coolant flowing through a vacuum pipe or the like.

SUMMARY OF THE INVENTION It is a first object of the present invention to provide a coolant collecting apparatus using a vacuum pipe capable of efficiently collecting and recovering coolant used in a vacuum jig.

A second object of the present invention is to provide a coolant collecting device using a vacuum pipe capable of shutting off a source of coolant flowing into a filter and a vacuum pump by collecting and recovering coolant flowing into the vacuum pipe.

A third object of the present invention is to provide a coolant collecting device using a vacuum piping which enables an operator to easily activate or deactivate a vacuum jig in collecting and recovering coolant flowing into the vacuum piping.

According to another aspect of the present invention, there is provided a coolant collecting apparatus for collecting coolant, comprising: a first suction unit having a first suction port connected to a first vacuum pipe on a vacuum jig side; A coolant collecting part for collecting the coolant introduced from the first suction part and a coolant discharge part for discharging the collected coolant to the outside through a discharge port formed in the coolant collecting part, The present invention can be achieved by providing a coolant collection device using a vacuum piping.

Here, the coolant discharge portion may be configured to discharge the collected coolant to the outside based on the load of the coolant collected during the vacuum fracture of the vacuum pipe.

In addition, the coolant discharge portion may include a casement discharge door that can be opened and closed to the outside of the coolant collection portion. The coolant discharge portion may be provided with a hinge for hanging the casement discharge door, and may be configured such that the casement discharge door is horizontally closed and vertically opened, or vertically closed and horizontally opened.

The hinged door can then be closed based on the load of the hinged door after the collected cutting fluid is drained.

In addition, the coolant discharge portion may further include an elastic means for generating a restoring force on a hinge portion of the hatch opening door, and may be closed based on a restoring force generated after discharge of the collected cutting oil.

The coolant discharge portion may further include an O-ring which is formed to be larger than the discharge port and is mounted along the discharge port edge.

According to another aspect of the present invention, there is provided a cutting oil collecting apparatus for collecting cutting oil, comprising: a first suction unit having a first suction port connected to a first vacuum pipe on a vacuum jig side; A second suction unit connected to the second vacuum pipe, a second suction unit having a suction hole for collecting the cutting oil introduced from the first suction unit and having an atmospheric hole through which the outside air can pass, And a vacuum activating means for selectively opening and closing the second suction port and the atmospheric hole. According to another aspect of the present invention, there is provided a cutting oil collecting apparatus using a vacuum pipe.

Here, the vacuum activation means includes a vacuum activation disk positioned between the second suction port and the standby hole to selectively open and close the second suction port and the standby hole, and a cylinder connected to the vacuum activation disk to transmit power through the standby hole can do.

According to the embodiment of the present invention as described above, there is an effect that the cutting oil used in the vacuum jig can be efficiently collected and recovered.

In addition, there is an effect that the flow of coolant into the filter and the vacuum pump can be shut off by collecting and recovering the coolant flowing into the vacuum pipe.

Further, since the workpiece can be installed for every machining apparatus for machining, and the cutting oil can be periodically collected and recovered, the cutting oil can be recycled at the level of the machining apparatus.

1 is a view for explaining a principle of collecting coolant in a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention;
FIG. 2 is a view for explaining the principle of coolant discharge in a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention;
FIG. 3 is a perspective view illustrating a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention. FIG.
4 is a perspective view illustrating a bottom portion of a cutting oil collecting apparatus using a vacuum pipe according to an embodiment of the present invention.
5 is a perspective view of a modified example of the cutting oil collecting apparatus using a vacuum pipe according to an embodiment of the present invention,
FIG. 6 is a longitudinal sectional view of a modified example of FIG. 5 viewed in the direction of arrow AA.

In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The terminologies used herein are terms used to properly represent preferred embodiments of the present invention, which may vary depending on the user, the intent of the operator, or the practice of the field to which the present invention belongs. Therefore, the definitions of these terms should be based on the contents throughout this specification. The same reference numerals in the drawings denote the same components.

< Coolant  Collecting device>

An embodiment according to the present invention is an apparatus for collecting coolant includes a first suction unit 10, a second suction unit 12, a coolant collecting unit 14, and a coolant discharge unit 16. The coolant collecting device 1 is installed on the vacuum pipe P and collects and collects the coolant flowing through the vacuum jig 3 at the level of each processing device.

FIG. 1 is a view for explaining a principle of collecting coolant in a coolant collecting apparatus using a vacuum piping according to an embodiment of the present invention. FIG. 2 is a view for explaining the principle of coolant discharge in a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention. Fig. Hereinafter, the construction and operation principle of this embodiment will be described with reference to FIG. 1 and FIG.

1, the coolant collecting apparatus 1 of the present embodiment is provided with a machining apparatus which is constituted by a conventional vacuum jig 3, a vacuum pipe P, a vacuum pump 5 and a filter (not shown) And is mounted on the pipe (P) to easily collect and recover cutting oil. Therefore, when the vacuum state is activated, the first suction portion 10 is formed in the vacuum pipe P on the side of the vacuum jig 3 to suck air, and the second suction portion 12 is connected to the vacuum pump 5 side And is formed in the vacuum pipe (P) to suck air passing through the cutting oil collecting part (14). The cutting oil sucks the workpiece through the plurality of holes formed in the vacuum jig 3. Since the coolant is a liquid, it is inevitably inevitably sucked into the vacuum pipe P through a large number of holes. The suctioned coolant F is collected in the coolant collecting part 14 and the sucked air is continuously moved through the second suction port 120 of the second suction part 12. When the vacuum state is activated, the vacuum state can be maintained since the suctioned coolant F in the cutting oil collecting part 14 is not discharged by the external atmospheric pressure.

When the suctioned cutting oil F is collected in the cutting oil collecting part 14 by a predetermined amount, the vacuum state is inactivated. When the vacuum state is inactivated, the first suction part 10 and the second suction part 12 and the vacuum pipe P, the coolant discharge portion 16 operates as the atmospheric pressure and the atmospheric pressure become equal. The door opening 162 of the cutting oil discharge portion 16 is opened by the weight of the collected cutting oil F and the collected cutting oil F is discharged through the discharge opening 16 as shown in FIG. The discharged cutting oil F can be collected and reused through a collecting path (not shown) of the processing apparatus in which the cutting oil injected outside the vacuum jig 3 is collected.

Therefore, the coolant collecting device 1 may be installed for each machining apparatus, and if there is a coolant collecting path injected from the machining apparatus, it is preferable that the coolant discharged through the coolant outlet 160 is discharged to the coolant collecting passage. The discharged cutting oil can be reused by filtering the machining tip.

The cutting oil discharge portion 16 may be composed of the discharge port 160, the door 162, the elastic means 164 and the O-ring 166 as shown in Figs. 1 and 2, but the deformation without the elastic means 164 But can also be practiced as an example. In this case, although the door of this embodiment is configured such that the door plate of the hinged door 162 is closed horizontally and then opened downward, it may be configured to be closed vertically and laterally opened, closed at an angle between horizontal and vertical, . That is, since the door opening 162 is opened by the weight of the collected cutting oil F, the door can be closed by the weight of the door 162 after being discharged.

The O-ring 166 is necessary for sealing in the coolant collecting portion 14 when the vacuum state is activated. The cutting oil discharging portion 16 is formed to have a larger size than the discharge opening 160 and can mount the O-ring 166 along the rim of the discharge opening 160.

Here, the O-ring 166 is formed on the rim of the discharge port 160 irrespective of materials such as a rubber or a synthetic resin material, which is mounted for sealing, and whether the O-rings are integrally formed by intermittently connecting a plurality of slices, It is a concept that includes all types of sealing materials that perform a sealing function.

FIG. 3 is a perspective view of a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention, and FIG. 4 is a perspective view illustrating a bottom portion of a coolant collecting apparatus using a vacuum pipe according to an embodiment of the present invention. Although the construction of this embodiment is formed of acrylic, the coolant collecting part 14 may be made of synthetic resin or metal, irrespective of whether it is transparent or opaque.

3 and 4, in this embodiment, an elbow type joint pipe capable of inserting a vacuum pipe P into the first suction portion 10 and the second suction portion 12 may be formed And a valve may be formed by a vacuum activation / deactivation means which is not shown but which can activate or deactivate the vacuum in the second suction portion 12. [ Here, the vacuum activating / deactivating means can be various embodiments, and the vacuum hole activating / deactivating means for forming the atmospheric hole for opening and closing the atmospheric hole may be formed on one surface of the cutting oil collecting portion 14.

In the case of forming an atmospheric hole in addition to the first and second inlets 110 and 120, a pivoting member in the form of a bar capable of pivoting in contact with the atmospheric hole can be inserted therein and operated by an external operating means such as a lever When the pivoting member is rotated, the waiting hole may be selectively opened or closed. Alternatively, it may be formed in the form of a cylinder having a through hole on one surface thereof and selectively opened and closed based on a reciprocating motion toward the atmospheric hole.

< Coolant  Collection device Variation example >

FIG. 5 is a perspective view of a modified example of a cutting oil collecting apparatus using a vacuum pipe according to an embodiment of the present invention, and FIG. 6 is a longitudinal sectional view of a modified example seen in the direction of A-A in FIG. 5 and 6, the coolant collecting device 2 of the present modification differs from the above-described coolant collecting device 1 in that the coolant collecting portion 24 further includes an atmospheric hole 272, ) And the second suction port (220). While the above-described coolant collecting apparatus 1 can control the activation and deactivation of the vacuum by providing a valve or the like for opening and closing the valve, the present modification is such that the vacuum activation and the vacuum deactivation can be relatively easily controlled through the vacuum activation means .

The present modification includes a first suction unit 20 having a first suction port 200 connected to the first vacuum pipe P on the vacuum jig side and a second suction port 20 connected to the second vacuum pipe P on the vacuum pump side. A second suction portion 22 having a suction port 220 formed therein and a coolant collecting portion 24 for collecting the coolant introduced from the first suction portion 20 and having an atmospheric hole 272 through which the outside air can pass, A coolant discharge unit 26 for discharging the collected coolant to the outside through one or more outlets 260 formed in the coolant collecting unit 24 and a second suction port 220 and an atmospheric hole 272 selectively And a vacuum piping including a vacuum activating means for opening and closing the vacuum piping. The vacuum activating means includes a cylinder 274 for passing power through the atmospheric hole 272 and a power transmission shaft of the cylinder 272 so that the atmospheric hole 272 and the second inlet 220 are selectively As shown in FIG. The cylinder 274 may be a hydraulic or pneumatic cylinder and the vacuum activation disk 270 is preferably formed to have a width greater than that of the second suction port 220 and the atmospheric hole 272. However, It may be formed so as to be inclined gradually.

In the case of activating the vacuum, the vacuum activating disk 270 is moved upward by the reciprocating movement of the cylinder 274 while the vacuum pump 5 is in operation, and the atmosphere hole 272 Is closed and the second suction port 272 is opened. Then, the coolant is collected in the coolant collecting part 24 through the first suction port 200, and only the air flows through the second suction port 220.

When the cutting oil is collected by the cutting oil collecting part 24 and the vacuum is inactivated, the vacuum activating disk 270 is moved downward by the reciprocating motion of the cylinder 274 while the vacuum pump 5 is operating, The first suction port 272 is opened and the second suction port 220 is closed. In this case, the inner and outer atmospheric pressures of the cutting oil collecting part 24 are equalized by the air introduced through the waiting hole 272, and the collected cutting oil is discharged through the cutting oil discharge part 26 by the load. Here, the outside air or outside air of the cutting oil collecting part 24 may be atmospheric pressure, but it may be atmospheric pressure inside the machining device of the workpiece, or atmospheric pressure in which the vacuum is inactivated.

The cutting oil discharge unit 26 may include a discharge pipe extending from the discharge port 260 formed in the lower portion of the cutting oil collecting unit 24 and a hatch discharge door 262 at the end of the discharge pipe 26, And is configured to be closed by the load of the hinged door 262 after the cutting oil is discharged. A cutting chip may be included in the discharged cutting oil. In the case where the machining chip interferes with the closing of the casement door 262 to prevent vacuum activation, a groove may be formed in the rim to mount the O-ring.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, As will be understood by those skilled in the art. It is therefore to be understood that the embodiments described above are to be considered in all respects only as illustrative and not restrictive. In addition, the scope of the present invention is indicated by the following claims rather than the above detailed description. Also, all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

P: Piping
1, 2: Coolant collecting device
3: Vacuum Jig
5: Vacuum pump
10, 20: first suction portion
12, 22: second suction portion
14, 24: Cutting oil collecting part
16, 26:
100, 200: first inlet
120, 220: second inlet
160, 260:
162, 262: Hinged door
164: Elastic means
166: O ring
168: Hinge shaft
270: Vacuum activation disk
272: waiting hole
274: Cylinder

Claims (4)

A cutting oil collecting apparatus for collecting cutting oil,
A second suction portion formed with a first suction portion formed with a first suction port connected to the first vacuum pipe on the vacuum jig side and a second suction port connected with the second vacuum pipe on the side of the vacuum pump, A coolant collecting unit for collecting the introduced coolant and having an atmospheric hole through which external air can pass; a coolant discharge unit for discharging the collected coolant to the outside through a discharge port formed in the coolant collecting unit; And a vacuum activating means for selectively opening and closing the atmospheric hole.
The method according to claim 1,
Wherein the coolant discharge unit discharges the collected coolant to the outside based on a load of the collected coolant when the vacuum pipe is broken.
The method according to claim 1,
And the cutting oil discharging portion includes a door opening and closing door that can be opened and closed to the outside of the cutting oil collecting portion.
The method according to claim 1,
Wherein the vacuum activation means comprises a vacuum activation disk which is located between the second suction port and the standby hole and selectively opens and closes the second suction port and the standby hole, And a cylinder for delivering the coolant.

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