KR20030016337A - A Cutting Glove Making Apparatus And Making Method Of Cutting Scriber - Google Patents

Abstract

PURPOSE: Provided is an apparatus for forming cutting grooves on a wheel used in cutting glass and non metallic materials like TFT-LCD by generating electric discharge and radiating laser beams on the scribe line of cutting wheel. The apparatus forms same-sized grooves at regular intervals on the scribe line of the wheel. CONSTITUTION: The cutting groove-forming equipment using electric discharge is characterized by contacting a rotating electrode wheel with the scribe line of a glass cutting wheel(30), placed crossly to the electrode wheel, intermittently. The size of cutting grooves is 2-200micrometer in case that the diameter of the electrode wheel is 1-30mm. Also, the cutting groove-forming equipment using laser beams(20) is characterized by radiating laser beams generated from a laser rod(21) on the scribe line of the glass cutting wheel by sphero-cylindrical lens(23). The equipment controls pitches(P: groove interval + edge interval) by controlling interval and depth of cutting grooves, forms the smooth-surfaced inside of cutting grooves, and chips to be cut materials(like glass and non metallic materials) smoothly.

Description

A cutting groove forming apparatus of a glass cutter, and a cutting groove forming method using the same {A Cutting Glove Making Apparatus And Making Method Of Cutting Scriber}

The present invention is mainly mounted on a glass cutter of PENET TYPE (PCD SCRIBER) and used to generate scribe brains on the cutting object when cutting various cutting objects made of non-metal such as glass (GLASS) and TFT-LCD. The present invention relates to a cutting groove forming apparatus for a glass cutting machine wheel for forming a cutting groove of a glass cutting wheel and a cutting groove forming method using the same.

In more detail, in forming the cutting groove in the glass cutter wheel, the cutting groove is formed by contacting the scribe brain of the glass cutting wheel while rotating the electrode wheel to be supplied with power so that discharge is generated between these contact surfaces. Forming, but precisely forming cutting grooves of the same size at equal intervals using computer numerical control (CNC), or cutting the laser generated from the laser rod by sphero-cylindrical lenses Concentrated on the scribe brain of the same size cutting grooves to be precisely molded at equal intervals.

FIG. 1 is an exemplary view showing a glass cutting machine 1 that is generally used as a portable device. The glass cutting wheel 5 is installed at the lower end of the head 2 by an equal means installed in the main body (gripping part). It is used when forming a straight or curved scribe line on the surface of a to-be-cut object, such as plate glass, rotating at predetermined speed.

As described above, the glass cutting wheel 5 used to be mounted on the glass cutting machine 1 or the like is generally formed in a predetermined thickness and disc shape as illustrated in FIGS. The inclined surface 6 which inclines to the outer side is formed in the both sides with respect to the center line which becomes the center line, and the curved groove | channel 8 is formed in the scribe brine 7 on the outer periphery center line at equal intervals.

The present invention is to provide a molding apparatus and a molding method for forming a cutting groove (8) formed in the scribe brine (7) of the glass cutting wheel (5) as described above.

However, in the related art, the cutting groove 8 is formed in the scribe brine 7 of the glass cutting wheel 5 as described above, which is disclosed in Korean Patent Registration No. 279184, "Glass Cutting Disc." The cutting groove 8 is formed in the scribe brine 7 of the glass cutting wheel 5 by using a grinding device in which a cutting disk having a disc shape is mounted on a rotating shaft.

5, the cutting surface of the cutting disc forming the cutting groove 8 in the scribe brine 7 is rough and uneven, so that the cutting groove spacing D1 and the depth H are also constant. Not only could not be formed but also the inner surface of the cutting groove 8 was roughly formed, there is a problem that the interval between the base portions of the adjacent cutting grooves 8, that is, the cutting protrusion spacing (D2) is not constant, cutting groove spacing (D1) ), And the pitch (P) consisting of the cutting protrusion spacing (D2) was not constant, there was a problem of lowering the quality of the glass cutting wheel (5), there was also a problem that the productivity is significantly reduced.

In this manner, the conventional glass cutting wheel 5 having a pitch P (cutting groove spacing D1 + cutting protrusion spacing D2) and a depth H of which is not constant is scribed on the cut object 40 such as plate glass. When iced, as illustrated in FIG. 6B, the cutting object 40 generates a scrap line SL2, and at the same time, horizontal cracks are irregularly generated around the scrap line SL2, and the crack K2 is uneven. And it could not be formed to the bottom of the cutting object (40).

Therefore, even when the cutting object 40 is separated, the chipping is not smoothly achieved due to the scrap line SL2 and the irregular crack K2, and there is a problem that cannot be separated continuously. )) Has a problem that the surface is kept in an irregular state significantly reduced the quality of the cutting.

The present invention is to provide a cutting groove forming apparatus and a cutting groove forming method using the same for a glass cutter wheel to solve the above problems.

In the present invention, in forming the cutting groove in the glass cutter wheel, while rotating the electrode wheel is powered to contact the scribe brain of the glass cutting wheel to form a cutting groove so that the discharge is generated between these contact surfaces and the computer Using the numerical control (CNC) to precisely form cutting grooves of the same size at equal intervals, and scribebrain of glass cutting wheels by using a sphero-cylindrical laser generated from the laser rod. The purpose of the present invention is to provide a cutting groove forming apparatus and a cutting groove forming method using the same for a glass cutter wheel to precisely mold the same sized cutting grooves at equal intervals.

Another object of the present invention is to make it possible to uniformly form the interval and depth of the cutting grooves and the cutting protrusions to be formed in the scribe brine, to form the inner surface of the cutting grooves smoothly, and the quality of the glass cutting wheel The present invention provides a cutting groove forming apparatus and a cutting groove forming method using the same for a glass cutter.

It is still another object of the present invention to form a scrapline in a straight line when scribing the cutting object by keeping the pitch (P: cutting groove spacing + cutting protrusion spacing) constant, and uniform cracks The present invention provides a cutting groove forming apparatus for a glass cutter wheel and a cutting groove forming method using the same, which can be formed up to the bottom surface, and can be separated smoothly, continuously and smoothly when separating the cutting object. .

The above and other objects of the present invention,

In a discharge cutting device operated by computer numerical control (CNC),

The electrode rod 12 is mounted on the support 11 of the rotating means of the electric discharge cutting device, and the electrode wheel fixing plate 13 is adhered to both sides of the electrode wheel 14 on the front end surface of the electrode rod 12 in a normal state. Fixed using a fixing means such as bolt 15,

The lower part of the electrode wheel fixing plate 13 is provided with a glass cutting wheel 30 which is intermittently rotated by an ordinary rotating means to be intersected. Achieved by a groove forming method.

Other above and other objects of the present invention,

In the cutting device for cutting the object to be cut using a laser beam emitted,

The excitation xenon tube 22 is installed vertically with the laser rod 21 provided on the outside to generate the laser beam downward, and the lens 23 is provided under the laser rod 21 to provide the laser rod ( 21) to focus the laser beam generated in

The jig 24 which is intermittently rotated by the usual rotating means is horizontally installed under the lens 23, and the glass cutting wheel 30 can be attached to or detached from the jig 24 using the fixing pin 25. It is achieved by a laser type molding apparatus 20 and a cutting groove forming method using the same, characterized in that it is included.

1 is an exemplary view showing a portable glass cutter which is commonly used.

2a and 2b is a front view and a side view showing a glass cutting wheel that is being used is mounted on a glass cutter.

3a to 3c is an exemplary view showing an electrode wheel type molding apparatus of the cutting groove forming apparatus of the wheel for glass cutter according to the present invention.

Figure 4 is an exemplary view showing a laser type molding apparatus of the cutting groove forming apparatus of the wheel for glass cutter according to the present invention.

5 is a partially enlarged view showing a molding state of a cutting groove to be formed in the glass cutting wheel by the cutting groove forming apparatus of the glass cutter wheel according to the present invention.

Figure 6a and 6b is a cross-sectional view showing a state that the glass is cut by the glass cutting wheel and the conventional glass cutting wheel according to the present invention.

Explanation of symbols on the main parts of the drawings

1. Glass cutter 2. Head 5.30. Glass Cutting Wheel

10. Electric Discharge Machining Equipment 11.CNC Discharge Wheel Connection Support

12. Electrode 13. Electrode wheel fixing plate 14. Electrode wheel

20. Laser type molding machine 21. Laser rod 22. Xenon tube for aftershock

23. Lens 24. Setting jig 25. Locking pin

The above and other objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

3A to 6A are views illustrating a cutting groove forming apparatus and a cutting groove forming method using the same for a glass cutter according to the present invention, and the accompanying drawings, FIGS. 3A to 3C illustrate an electrode wheel type forming apparatus 10. Figure 4 is an exemplary view showing a laser type molding apparatus 20, Figure 5 is a partially enlarged view showing a molding state of the cutting groove is formed in the glass cutting wheel according to the present invention, Figure 6a It is sectional drawing which showed the state which glass was cut by the glass cutting wheel which concerns on this invention.

3a to 3c is an exemplary view showing a discharge processing type molding apparatus 10 in the cutting groove forming apparatus of the wheel for glass cutter according to the present invention.

The discharge processing type molding apparatus 10 includes a support 11 on a rotating shaft (not specifically shown) of a discharge cutting device (not specifically shown) that is operated (rotated and up and down) by computer numerical control (CNC). The electrode rod 12 formed of copper (Cu: brass) was mounted on the support 11, and the electrode wheel fixing plate 13 was adhered to both sides of the electrode wheel 14 on the front end surface of the electrode rod 12. In the state to be fixed by using a fixing means such as a conventional bolt 15, the electrode wheel 14 is mounted on the outer circumference below the electrode wheel fixing plate 13 fixed to the outer circumference as shown in Figure 3c As described above, the glass cutting wheel 30 is intermittently rotated by a rotating means (not specifically shown) of the cross table.

Figure 4 is an exemplary view showing a laser type molding apparatus 20 in the cutting groove forming apparatus of the wheel for glass cutter according to the present invention.

In the laser type molding apparatus 20, the laser rod 21 is vertically installed on a support shaft (not specifically shown) of the cutting device frame, but the excitation xenon tube 22 is installed outside the laser rod 21. The laser beam is generated downward, and a lens 23 (Sphero-Cylindrical Lens) is installed below the laser rod 21 to condense the laser beam generated from the laser rod 21. 23, the jig 24 which is intermittently rotated by a conventional rotation means is installed horizontally, but the glass cutting wheel 30 is detachable using the fixing pin 25 on the jig 24.

Hereinafter, an operation relationship (cutting groove forming method) of the electric discharge machining type molding apparatus 10 and the laser type molding apparatus 20 according to the present invention configured as described above will be described.

First, the cutting groove forming method of the wheel for glass cutter using the discharge processing type molding apparatus 10 will be described.

The electrode rod fixing plate 13 equipped with the electrode wheel 14 is mounted on the electrode rod 12, and the glass cutting wheel 30 is mounted on the rotating means (not specifically shown) of the cross table. When the switch (not specifically shown) is operated in the mounted state, the power is supplied to the electrode wheel 14 through the electrode 12 and at the same time, rotates at a predetermined speed and gradually moves downward. The downward glass electrode wheel 14 is in contact with the scribe brine 32 of the glass cutting wheel 30.

When the glass electrode wheel 14 is in contact with the scribe brine 32, a discharge is generated between the glass electrode wheel 14 to which power is supplied and the contact surface of the scribe brine 32. As a result, the contact surface of the scribe brine 32 is formed with a cutting groove 34 which is maintained at a constant interval D1 and depth H as illustrated in FIG.

Cross cutting with the glass cutting wheel 30 mounted in the state in which the electrode wheel 14 is raised with the electrode rod 12 rotated after forming one cutting groove 34 in the scribe brine 32 as described above. By operating the rotating means (not specifically shown) of the table (Cross Table) to rotate the required glass cutting wheel 30 by a predetermined pitch (P) divided by 1 / N to obtain the required characteristics After the completion of the rotation of the glass cutting wheel 30, the electrode wheel 14, which has been raised, is lowered together with the electrode rod 12 so that the contact surface of the scribe brine 32 is formed as shown in FIG. A separate cutting groove 34 is formed at the distance D1 and the depth H as described above to be adjacent to the 34.

The discharge machining type molding apparatus 10 according to the present invention can repeatedly form the cutting groove 34 in the scribe brine 32 of the glass cutting wheel 30 by repeatedly performing the above process, By the cutting grooves 34 formed as described above, it is possible to obtain a cutting protrusion 33 (CUTTING EDGE) having a constant cutting protrusion interval D2.

When the cutting groove 34 of the glass cutting wheel 30 is formed by the electric discharge machining type molding apparatus 10, when the diameter of the electrode wheel 14 is 1 to 30 mm, the interval of the cutting groove 34 is 2 to It is preferable to make it 200 micrometers.

In the case of using the electric discharge machining type forming apparatus 10 using CNC to obtain the surface characteristics of the cutting groove 34 and the cutting protrusion 33 as described above, cutting is performed by high-precision division of CNC (Computeriged NC). The position and depth H of the groove 34 can be precisely processed within a short time. In order to accurately discharge-discharge the width (interval D1) and the depth H of the cutting groove 34, the electrode wheel 14 is It is preferable that the concentricity is constant and there is no change in thickness when worn, and the electrode wheel fixing plate 13 which is adhesively fixed to both sides of the electrode wheel 14 has a thin and thin electrode wheel 14 due to physical and electrical effects. This prevents the warping phenomenon.

In addition, the cutting groove forming method of the wheel for the glass cutter using the laser processing type molding apparatus 20 is performed as follows.

Laser type by operating a switch (not specifically shown) in a state in which the glass cutting wheel 30 is mounted on the jig 24 in a horizontal state intermittently rotated by a predetermined rotating means using the fixing pin 25. When the molding apparatus 20 is operated, the laser beam 21 is irradiated in a pulsed discontinuous manner in the laser rod 21 provided with the excitation excuse tube 22, and the laser beam irradiated from the laser rod 21 is a lens 23. : Is focused on the workpiece with a focus of 0.0001 to 0.03 mm through a sphero-cylindrical lens, and the scribe brain 32 of the glass cutting wheel 30 is focused on the focused laser beam as illustrated in FIG. 5. As shown, the cutting groove 34 is formed at a constant interval D1 and the depth H.

Rotating means having the glass cutting wheel 30 mounted thereon in a state in which the laser rod 21 is raised together with the lens 23 after forming one cutting groove 34 in the scribe brine 32 by performing as described above. (Not specifically shown) is operated to rotate the glass cutting wheel 30 by a predetermined pitch P, and after the rotation of the glass cutting wheel 30 is completed, the laser together with the lens 23 that has been upwardly As shown in FIG. 5, a separate cutting groove 34 is disposed at the contact surface of the scribe brine 32 so as to be adjacent to the cutting groove 34, as illustrated in FIG. 5. It is molded by (H).

The laser type molding apparatus 20 according to the present invention may repeatedly form the cutting groove 34 in the scribe brine 32 of the glass cutting wheel 30 by repeatedly performing the above process. A cutting protrusion 33 having a constant cutting protrusion gap D2 is formed between the cutting groove 34 and the cutting groove 34 to be molded together.

As described above, the cutting groove forming apparatus of the wheel for glass cutter according to the present invention and the cutting groove forming method using the same are manufactured using a CNC for the scribe brain 32 of the glass cutting wheel 30 processed and molded into a standard (NORMAL) type. By using the electric discharge machining type molding apparatus 10 or the laser type molding apparatus 20, it is possible to precisely process the cutting groove 34 maintained with good surface characteristics.

As such, as illustrated in FIG. 6A using the glass cutting wheel 30 molded by the apparatus and method according to the present invention, the cutting object 40 such as plate glass is cut. On the surface, the scribe brine SL1 is formed in a single line, and the crack K1 perpendicular to the scribe brine SL1 is generated inside the cut object 40, thus making the cut object 40 easy to carry out. It's fast and allows you to cut while keeping your cut clean and smooth.

As described above, the cutting groove forming apparatus of the glass cutting machine wheel according to the present invention and the cutting groove forming method using the same have a constant spacing and depth of the cutting groove formed in the scribe brine of the glass cutting wheel and the interval of the cutting protrusion. The pitch (P: cutting groove spacing + cutting protrusion spacing) can be uniformly formed and the inner surface of the cutting groove can be smoothly formed to improve the quality and productivity of the glass cutting wheel, and can be molded by the apparatus and method according to the present invention. When the cutting object is scribed using the glass cutting wheel, the scrap line is formed in a straight line, and uniform cracks are formed on the bottom of the cutting object, so the cutting object is separated smoothly, continuously and smoothly. It becomes possible.

Claims (6)

In a discharge cutting device whose operation is controlled by computer numerical control (CNC), The electrode rod 12 is mounted on the support 11 of the rotating means of the electric discharge cutting device, and the electrode wheel fixing plate 13 is adhered to both sides of the electrode wheel 14 on the front end surface of the electrode rod 12 in a normal state. Fixed using a fixing means such as bolt 15, Cutting groove forming of the discharge cutting type glass cutter wheel, characterized in that the lower side of the electrode wheel fixing plate 13 is provided by intersecting the glass cutting wheel 30 that is intermittently rotated by the usual rotation means. Device. In the cutting device for cutting the object to be cut using a laser beam emitted, The excitation xenon tube 22 is installed vertically with the laser rod 21 provided on the outside to generate the laser beam downward, and the lens 23 is provided under the laser rod 21 to provide the laser rod ( 21) to focus the laser beam generated in The jig 24 which is intermittently rotated by the usual rotating means is horizontally installed under the lens 23, and the glass cutting wheel 30 can be attached to or detached from the jig 24 using the fixing pin 25. Cutting groove forming apparatus of the wheel for the laser type glass cutter, characterized in that it is included. In a discharge cutting device whose operation is controlled by computer numerical control (CNC), The electrode rod 12 is mounted on the support 11 of the rotating means of the electric discharge cutting device, and the electrode wheel fixing plate 13 on which the electrode wheel 14 is fixed on the outer circumferential center line is mounted on the tip surface of the electrode rod 12. step, Installing the glass cutting wheels 30 intermittently rotated intermittently by the usual rotating means at the lower side of the electrode wheel fixing plate 13; While the glass cutting wheel 30 is intermittently rotated by a predetermined angle, the electrode wheel 14 to which power is supplied and rotated is intermittently contacted with the scribe brain 32 of the glass cutting wheel 30 to the scribe brain 32. Method for forming a cutting groove of the glass cutter wheel, characterized in that for using the electric discharge machining type molding apparatus (10) comprising the step of molding the cutting groove 34 at equal intervals. Mounting the glass cutting wheels 30 using the fixing pins 25 to the horizontal jig 24 intermittently rotated by a predetermined rotation means, Condensing (focusing) the laser beam at a predetermined focal point by the lens 23 discontinuously on a pulse generated from the laser rod 21 provided with the excitation excuse tube 22, The focus of the focused laser beam is irradiated to the scribe brine 32 of the glass cutting wheel 30 intermittently rotated by the rotating means, thereby repeatedly cutting the cutting groove 34 maintained at a constant distance D1 and depth H. Cutting groove forming method of the wheel for the glass cutter, characterized in that using the laser type molding apparatus 20 comprising the step of forming. The cutting groove 34 of the glass cutting wheel 30 formed by the electric discharge machining type molding apparatus 10 is 2 to 200 탆 when the diameter of the electrode wheel 14 is 1 to 30 mm. Cutting groove forming method of the wheel for glass cutter, characterized in that using the electric discharge machining type molding apparatus (10) characterized in that. The method according to claim 4, The focus of the laser beam generated by the laser rod 21 on the workpiece by the lens 23 is a focal point for the glass cutting machine, characterized in that using the laser type molding apparatus 20, characterized in that 0.0001 ~ 0.03mm. Cutting groove forming method.