KR20040081878A - A Cone Type PCD Scriber Glove Making Apparatus and Making Method Of Scriber - Google Patents

Abstract

PURPOSE: A conical PCD scriber cutter, apparatus and method for forming a cutting groove at the same is provided to improve the quality and productivity of the conical scriber cutter. CONSTITUTION: An electric discharge forming type apparatus for forming a cutting groove is composed of a support unit mounted to an electric discharge forming device, a brazen electrode bar mounted to the support unit, and an electrode wheel(13) fixed to the front end of the brazen electrode bar by a bolt(15). Fixing plates(14) are stuck to both sides of the electrode wheel. A conical scriber cutter(1) is mounted to an auxiliary cemented shank(16) under the electrode wheel.

Description

A Cone Type PCD Scriber Glove Making Apparatus and Making Method Of Scriber}

The present invention is mainly mounted on a cutting machine having a bundle holder for TEMP CUTTER, to facilitate cutting (CUTTING) of various workpieces (cut materials) made of non-metal materials such as glass (GLASS) and TFT-LCD The present invention relates to a conical PCD scriber pinch cutter and a cutting groove forming apparatus and method thereof, which are used to generate a scribe line which is a cutting line.

In more detail, in forming the cutting wheel to be mounted on the cutter having a bundle holder for TEMP CUTTER, the inclined surface is formed on both sides of the scribe line to be formed in the center, but the conical surface is formed integrally on the outside of each inclined surface, In forming a normal cutting groove on the scribe line is to be formed at equal intervals by the electric discharge machining type cutting groove forming apparatus or the laser type cutting groove forming apparatus.

6 is an exemplary view showing a non-metal cutter 50 to be used in a portable.

The non-metal cutting machine 50 rotates the cutting wheel 52 mounted with the fastening pin 53 at the lower end of the head 51 at a predetermined speed by a power means installed inside the main body (holding part) and the glass plate and TFT-. It is used to form a straight or curved scribe line on the surface of a workpiece (cut material) such as an LCD.

As described above, the conventional disc-shaped cutting wheel 52, which is mounted and used in the non-metal cutting machine 50, was used.

Conventional disc-shaped cutting wheel 52 is formed in the disk shape of the wheel, the scribe brine is formed on the center line of the outer periphery, the edge surface is inclined outwardly downward on both sides of the scribe line, the scribe edge Although not specifically illustrated, the cutting grooves of a constant size are formed at equal intervals.

Conventional disc-shaped cutting wheel 52 formed as described above was mounted using a DC PIN (PCD Shaft Type) fastened to the inner diameter of the tool to rotate and pressurize the tool, and is mounted using a tool or a fastening pin as described above. The method can extend the life of the tool considerably compared to the method of using carbide tools, and exhibits performance characteristics satisfying the requirements for performing scribing.

However, when machining, the current machining method does not solve the problem of contact wear caused by shaft friction, which is the largest cause of edge life, and considering the size of the tool inner diameter and the pressure applied, the edge of the tool In order to reduce the size of the outer diameter, there was a limit.In order to avoid this material, liquid and solid lubrication were basically excluded and used without lubrication, which greatly shortened the life of the tool due to axial friction and caused the shaking of the tool due to the wear of the shaft. There was a problem that the phenomenon occurred.

In particular, the conventional internal fastening method has a constraint that the outer diameter (D) of the tool to maintain more than 1.5mm due to the constraint of the bearing part.

In addition, the conventional disc-shaped cutting wheel 52 was formed using a grinding wheel in forming the cutting groove, when described with reference to the accompanying drawings, Figure 2, the cutting groove spacing due to the sharp wear of the grinding wheel ( D1) and the depth (H) has a problem that is not constant, the distance between the base of the adjacent cutting grooves, that is, the cutting protrusion spacing (D2) was not constant, the cutting groove spacing (D1) and the cutting protrusion spacing (D2) The pitch (P) consisting of) was not constant, and thus there was a problem of significantly reducing the quality of the disc-shaped cutting wheel 52.

As described above, using a disc-shaped cutting wheel 52 whose pitch P and depth H are not constant, scribing various workpieces (cut materials) made of non-metallic materials such as glass and TFT-LCDs. In this case, a scrapline is generated in the workpiece, and at the same time, horizontal cracks are irregularly generated around the scrapline. In addition, uniform vertical cracks are not formed on the bottom of the workpiece.

As a result, even though the workpiece is separated, the scraping and irregular cracking have not only prevented the smoothing, but also have a problem that cannot be separated continuously, and the quality of the workpiece is remarkable due to the irregular breaking surface. There was a problem falling.

An object of the present invention is to provide a conical PCD scriber pinch cutter, a cutting groove forming apparatus and a molding method thereof, which can solve the above problems.

In the present invention, in forming the cutting wheel to be mounted on the cutter using a bundle holder for TEMP CUTTER, the inclined surface is formed on both sides of the scribe line to be formed in the center, but the conical surface is formed integrally on the outside of each inclined surface, To provide a conical PCD scriber flow cutter and its cutting groove forming apparatus and forming method, which are formed at equal intervals by an electric discharge machining type cutting groove forming apparatus or a laser type cutting groove forming apparatus in forming a conventional cutting groove in the I want to do that.

Another object of the present invention, the spacing and depth of the cutting groove formed in the scribe brine and the interval between the cutting protrusions can be made constant, the inner surface of the cutting groove can be kept smooth, and the quality and productivity of the conical scriber cutter The present invention provides a conical scriber pinch cutter and its cutting groove forming apparatus and forming method which can be improved.

It is still another object of the present invention to maintain a constant pitch (P: cutting groove spacing + cutting protrusion spacing) so that the scrapline can be formed in a straight line when scribing the workpiece, and uniform cracks form the bottom of the workpiece. The present invention provides a conical PCD scriber pinch cutter, a cutting groove forming apparatus, and a molding method thereof, which can be formed up to, and can be smoothly, continuously and smoothly separated when the workpiece is separated.

The above and other objects of the present invention,

The edge surfaces 3 are formed on both sides of the scribe edge 2 formed at the center, and the cutting grooves 5 are formed on the scribe edge 2 at equal intervals. A conical surface formed by integrally forming a conical surface 4 having a triangular cone shape on the outer side, and forming a regular cutting groove 5 on the scribe edge 2 at equal intervals by electric discharge machining or laser. A cutting groove forming apparatus and a forming method of the scribe cutter 1 and its conical scribe cutter 1 are achieved.

1 is a front view and a side view of a conical PCD scriber stream cutter according to the present invention;

Figure 2 is an enlarged view showing the forming state of the cutting groove by expanding the scribe edge in the conical PCD scriber pinch cutter according to the present invention.

Figure 3a and Figure 3b is an exemplary view showing an electric discharge machining type cutting groove forming apparatus for forming a cutting groove in the conical PCD scriber pinch cutter according to the present invention and an exemplary view of the forming state.

Figure 4 is an exemplary view showing a laser type cutting groove forming apparatus and forming state for forming a cutting groove in the conical PCD scriber pinch cutter according to the present invention.

5 is an exemplary view of a conical PCD scriber pinch cutter according to the present invention installed in a holder bundle of a non-metal cutting machine.

Figure 6 is an illustration showing a conventional non-metal cutting machine.

Explanation of symbols on the main parts of the drawings

1. Conical PCD scriber flow cutter 2. Scribble edge 3. Edge surface

5. Cutting groove 6. Cutting protrusion 10. Electric discharge processing cutting groove forming device

11. Support 12. Brass rod for electrode 13. Electrode wheel

14. Fixing plate 15. Mounting bolt 16. Carbide auxiliary shank

20. Laser type cutting groove forming device 21. Laser rod

22. Aftershock xenon tube 23. Lens 24.25. Setting jig

26. Swivel plate 30. Holder assembly 31. Mounting hole

32. Axes 34.35. Support plate 37.Scriber holder

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.

1a to 5 are exemplary views showing a concrete embodiment of the scribing process of the conical PCD scribe stream cutter and the conical PCD scribe cutter according to the present invention, Figure 1 is a cone PCD scriber stream cutter according to the present invention Figure 2 is a front view and side view, Figure 2 is an enlarged view showing a part of the cutting groove formed in the scribe brain in the present invention, Figures 3a and 3b and 4 is a discharge processing type cutting groove forming for forming the cutting groove Exemplary view showing the device and the laser type cutting groove forming apparatus, Figure 5 is an illustration of a state in which the conical PCD scriber pinch cutter according to the present invention is installed on the holder bundle of the non-metal cutting machine.

Conical scriber cutter (1) according to the present invention, as illustrated in Figure 1a and 1b, forming the edge surface (3) on both sides of the scribe brine (2) formed in the center of each of the edge surface (3) A triangular cone-shaped conical surface 4 is formed on the outside to form a cutting wheel in a diamond cone shape, and the scriber line 2 is formed with equally spaced cutting grooves 5 as illustrated in FIG. 2. It was.

As described above, in forming the cutting grooves 5 at equal intervals in the scriber line 2 of the conical scriber cutter 1, the electric discharge machining type cutting groove forming apparatus 10 as illustrated in FIGS. 3A and 3B. Or by using a laser processing type cutting groove forming apparatus 20 as illustrated in FIG. 4.

3A and 3B, the electric discharge machining type cutting groove forming apparatus 10 is not shown in detail, but the electric discharge molding apparatus operated (rotated and up and down) by computer numerical control (CNC). The support 11 is equipped with a copper rod 12 for electrodes formed of copper (Cu), the fixing adhesive plate 14 is in close contact with both sides of the electrode wheel 13 at the tip of the electrode brass rod (12). In the above state, the electrode wheel 13 was fixed with a conventional mounting bolt 15, and a conical scriber as shown in FIG. 3C below the electrode wheel 13 mounted at the tip of the electrode brass rod 12. Although the cutter 1 is mounted on the cemented carbide auxiliary shank 16, the cone shaped scriber cutter 1 is not specifically illustrated together with the cemented carbide auxiliary shank 16, but is fixed by the rotating means of the cross table. To rotate intermittently by an angle. The.

4 is an exemplary view showing a laser type cutting groove forming apparatus 20 as a forming apparatus of another embodiment for forming the cutting groove 5 in the conical PCD scriber cutter 10 according to the present invention.

The laser-type cutting groove forming apparatus 20, the laser rod 21 is installed perpendicular to the support shaft (not specifically shown) of the molding apparatus frame, but the excitation xenon tube (outside the laser rod 21) ( 22) to generate a laser beam to the lower side, and to install a lens (23: Sphero-Cylindrical Lens) on the lower side of the laser rod 21 to focus the laser beam generated from the laser rod 21 Although the upper and lower setting jigs 24 and 25 are freely spaced apart from each other on the lower side of the lens 23, the upper and lower setting jigs 24 are not specifically illustrated, but the upper and lower operating jigs 24 are not specifically illustrated. It was to be able to operate up and down, and the lower setting jig 25 was mounted on the rotating plate 26 to be intermittently rotated by a predetermined angle by a conventional rotating means (not specifically shown).

A method of forming the cutting groove 5 on the scribe brine 2 line by using the discharge processing type cutting groove forming apparatus 10 and the laser type cutting groove forming apparatus 20 configured as described above will be described in detail.

First, a method of forming the cutting groove 5 on the scribe edge 2 of the conical PCD scribe cutter 10 using the electric discharge machining type cutting groove forming apparatus 10 will be described.

Mounting the fixed contact plate 14 with the electrode wheel 13 to the electrode brass rod 12, and vacuum welding method to the cemented carbide auxiliary shank 16 of the rotating means installed on the cross table (not specifically shown) After welding the cylindrical raw material by the conventional conical PCD scriber cutter (1) having no surface characteristics, and the switch (not specifically shown) in the state of mounting as described above The power is supplied to the electrode wheel 13 through the electrode brass rod 12, and at the same time, the electrode wheel 13 along with the electrode brass rod 12 rotates downward gradually and gradually rotates downward. (13) is in contact with the scribe cutting edge 2 of the conical PCD scriber cutter (1).

When the electrode wheel 13 is in contact with the scribe line 2 of the conical PCD scriber cutter 1, a discharge occurs between the electrode wheel 13 to which the power is supplied and the scribe line 2. As a result, the scribe-in line 2 is formed with a cutting groove 5 having a constant distance D1 and a depth H, as illustrated in FIG. 2.

After forming the cutting groove 5 on the scribe edge 2 by performing the above, the rotating electrode wheel 13 is raised together with the electrode brass rod 12, and the rotating electrode wheel ( 13) The conical PCD scriber stream cutter 1 is divided into 1 / N so as to obtain the required specific characteristics together with the cemented carbide support shank 16 by means of rotating the cross table. After the rotation of the conical scriber cutter 1 is completed, the electrode wheel 13 is lowered together with the electrode brass rod 12 that is upwardly arranged on the scribe line 2. Another cutting groove 5 is formed at a predetermined interval (D1) and depth (H) to be adjacent to the cutting groove (5) formed in the line.

The electric discharge machining type cutting groove forming apparatus 10 according to the present invention is subjected to the above-described process repeatedly so as to have a spacing D1 and a depth H on the scribe brine 2 line of the conical scriber cutter 1. The cutting grooves 5 can be formed at regular intervals, and thus the cutting protrusions 6 having a constant cutting protrusion gap D2 are formed between the cutting grooves 5 and the cutting grooves 5. It is done.

When using the computer numerical control (CNC) to obtain the surface characteristics of the cutting groove (5) and the cutting protrusion (6) as described above, the cutting groove (5) by the high-precision division of the computer numerical control (CNC) It is possible to precisely process a predetermined width (D1) and depth (H) within a short time, the electrode wheel (13) to accurately discharge the width (D1) and depth (H) of the cutting groove 5 accurately and precisely It is preferable that the concentricity of the constant and no change of wear of the electrode wheel due to the discharge, and the precision fixing plate 14 closely fixed to both sides of the electrode wheel 13 has the physical and electrical effects of the thin thickness electrode wheel Prevents warping due to

Meanwhile, a method of forming the cutting groove 5 on the scribe edge 2 using the laser type cutting groove forming apparatus 20 as illustrated in FIG. 4 is performed as follows.

In the state where the upper setting jig 24 is raised, the vertex of one side conical surface 4 of the conical scriber cutter 1 is inserted into the setting jig 25 to the lower setting jig 25 to be placed and settled upward. The setting jig 24 of the lower side to hold the vertex of the other conical surface (4) while the conical scriber cutter (1) is loaded to maintain the vertical.

As described above, the laser type cutting groove forming apparatus 20 is operated by operating a switch (not specifically shown) while the cone-shaped scribe cutter 1 is loaded vertically by the upper / lower setting jig 24 and 25. When activated, the pulsed laser beam irradiated from the laser rod 21 provided with the excitation xenon tube 22 is irradiated discontinuously, and the laser beam irradiated from the laser rod 21 is a lens (Sphero-Cylindrical). The focus of 0.0001 to 0.003 mm is concentrated (condensed) on the scribe edge 2 of the conical scriber cutter 1 through a lens), and the scribe of the conical scriber cutter 1 is performed by the focus of the focused laser beam. As shown in FIG. 2, the cutting groove 5 is formed on the edge line 2 to be maintained at a constant depth D1 and the depth H. As illustrated in FIG.

After forming as described above, one cutting groove 5 is formed on the scribe edge 2, and the conical scribe cutter 1 is mounted in a state in which the laser rod 21 is raised together with the lens 23. The rotary means is operated to rotate the setting jig 24 and 25 and the conical scriber cutter 1 set on the setting jig 24 and 25 together with the rotating plate 26 by a predetermined pitch P. After the rotation of the conical scriber cutter (1) is completed, the laser rod 21 is lowered together with the lens 23 that is upwardly formed to form another cutting groove (5). And to form another cutting groove 5 so that the cutting protrusion 6 is formed to be separated by the cutting protrusion spacing (D2).

By repeating the above process, the cutting groove 5 maintained at a constant depth D1 and depth H can be formed on the scribe edge 2 of the conical scribe cutter 1. A cutting protrusion 6 having a constant cutting protrusion gap D2 is formed between the cutting groove 5 and the cutting groove 5 to be molded in this way.

As described above, the present invention is a discharge cutting type cutting groove forming apparatus 10 using a CNC and a laser type cutting groove using a laser on the scribe brain 2 line of a conical scriber cutter 1 processed and molded to a normal type. The molding apparatus 20 can precisely mold the cutting groove 5 maintained at good surface characteristics.

The conical scriber cutter 1 in which the cutting groove 5 is precisely molded by the method using the discharge machining type cutting groove forming apparatus 10 and the laser type cutting groove forming apparatus 20 as described above is illustrated in FIG. 6. As described above, it is mounted on the holder bundle 30 installed in the head 51 of the non-metal cutting machine 50 to be used when forming a scribe line on the workpiece 40.

When the conical PCD scriber stream cutter (1) according to the present invention is mounted on the holder bundle (30), it is carried out as follows.

Loading grooves formed at the lower ends of the support plates 35 and 36 of the holder bundle 30 in the state where the scriber holders 37 are connected to both vertices of the conical scriber cutters 1, respectively. By inserting the fastening bolt (not specifically shown) in the fastening hole 36 formed in the support plate 35, 36 in the state that it was forcibly loaded by force) into the screw portion 36-1 The conical scriber cutter 1 is mounted.

As such, the holder bundle 30 is used in a state in which the conical scriber cutter 1 is mounted on the holder bundle 30, and the shaft rod 32 is inserted into the cutting device, Insert the normal bolt (not specifically shown) into the mounting hole 33 and screw it to the screw part 33-1 to fix the mounting hole 31 integrally to the cutting devices overlapping each other, thereby completing the mounting. Done.

In the state in which the conical scriber cutter 1 according to the present invention is mounted on a cutting device such as the non-metal cutter 50 by the holder bundle 30, the scribed cutter cutter 1 is processed as shown in FIG. 40: TFT-LCD or glass) to perform a scribing (SCRIBING) process by performing a linear motion while applying a cutting force while the workpiece 40 is cut, the work of the workpiece 40 On the surface, scribe brine and cracks are generated vertically, and thus the workpiece 40 can be easily and quickly cut, and the cut surface is kept clean and smooth.

Since the conical scriber cutter 1 according to the present invention is loaded using the scriber holder 37, it can be loaded at the correct position, and the contact state with the scriber holder 37 is determined by the support plates 35 and 36. By adjusting the fastening bolt (not specifically shown) screwed to the fastening hole 36, not only the contact area can be adjusted, but also the cutting equipment due to abrasion by adjusting the support pressure (compression force), that is, the close state. The shaking of the tool) can be prevented.

In particular, when the conical scriber cutter 1 according to the present invention is loaded into the holder bundle 30, the scriber holder 37 is used to couple to the loading grooves of the support pieces 35 and 36, respectively. Therefore, by using the holder bundle 30, the scriber holder 37 can be exchanged 10 times or more, and by using the scriber holder 37 to load it, the use of a cemented scriber holder Compared to this, not only can the tool shake due to rapid abrasion, but also the number of adjustments due to close contact between gaps can be reduced, and unnecessary waste of time can be extended. It becomes possible.

As described above, the conical scriber cutter according to the present invention forms a conical surface having a triangular conical shape on the outside of the edge surface formed on both sides of the scribe edge, and in particular, the scribe edge has an electric discharge machining type cutting groove forming apparatus and a laser type. Since the cutting groove forming device is precisely molded with a constant gap and depth, the pressure per unit area of the edge portion delivered to the workpiece is reduced so that the outer diameter of the scribe edge can be reduced to obtain a deeper vertical crack when the same cutting force is applied. The cutting surface can be enlarged, and the cutting surface can be easily formed while minimizing the horizontal crack of the workpiece while scribing, and the deep vertical crack can be easily formed at a low pressure, and the continuous discontinuity (chipping) is not generated when cutting the workpiece. As it can be separated completely while cleaning To improve the quality and productivity of the conical cones formed on both sides by the holder to prevent the wear of the shaft, to prevent the shaking of the tool and to greatly improve the life of the tool. Can be.

Claims (6)

In forming the edge surface 3 on both sides of the scribe edge 2 formed in the center, and forming the cutting groove 5 on the scribe edge 2, The conical surface 4 having a triangular cone shape is formed integrally on the outside of each of the edge surfaces 3, A conical PCB scribe stream cutter, characterized in that the ordinary cutting groove (5) formed on the scribe line (2) is formed at equal intervals by electric discharge machining or laser. In a discharge molding apparatus whose operation is controlled by computer numerical control (CNC), The support 11 is mounted to the discharge molding apparatus, the support 11 is equipped with an electrode brass rod 12, and the electrode wheel 14 using the fixing contact plate 14 at the tip of the electrode brass rod 12. ) Is fixed with the usual bolt 15, On the lower side of the electrode wheel 13 mounted on the electrode brass rod 12, a conical scriber cutter 1 is mounted on the cemented carbide auxiliary shank 16 so that it can be intermittently rotated by a predetermined angle by a conventional rotation means. Cutting groove forming apparatus of a conical scribed pinch cutter, characterized in that it includes one. 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 generated in The upper and lower setting jigs 24 and 25, which are freely rotated, are installed on the lower outside of the lens 23 to be spaced up and down, and the upper setting jig 24 is operated up and down by ordinary operating means. A cutting groove forming apparatus for a conical scribed pinch cutter, characterized in that the mounting jig 25 is attached to the rotating plate 26 to rotate intermittently by a predetermined angle by a conventional rotating means. In cutting an object to be cut by a discharge molding apparatus whose operation is controlled by computer numerical control (CNC), Mounting an electrode brass rod 12 on the rotating means of the electric discharge cutting device and mounting an electrode wheel 13 at the tip of the electrode brass rod 12; Adsorbing and fixing the conical scriber cutter 1 to the cemented carbide auxiliary shank 16 which is intermittently rotated at a predetermined angle by an ordinary rotating means under the electrode wheel 13, The conical scriber cutter 1 fixed to the cemented carbide auxiliary shank 16 is intermittently rotated by a predetermined angle, and the electrode wheel 13 of the electrode brass rod 12 to which power is supplied and rotated is conical scriber cutter 1. Intermittently contacting the scribe brain (2) of the step of forming a continuous cutting the regular cutting groove (5) having a constant width (D1) and depth (H) by the cutting protrusion spacing (D2) continuously Cutting groove forming method of the conical scribed pinch cutter, characterized in that. Setting the conical scriber cutter 1 to the upper and lower setting jigs 24 and 25 that are intermittently rotated by a predetermined angle by a conventional rotating means, Condensing the laser-generated discontinuously on the lens 23 in the laser rod 21 in which the excitation xenon tube 22 is installed outside, The focal point of the laser beam collected by the lens 23 is irradiated to the scribe brain 2 of the conical scriber cutter 1 which is intermittently rotated by a predetermined angle by the rotating means, so as to have a constant width D1 and depth H. The cutting groove forming method of the conical scribe pimple cutter, characterized in that it comprises the step of forming a continuous cutting groove (5) of each having a continuous cutting spaced by the cutting protrusion (D2). The method of forming a cutting groove of a conical scribed pinch cutter according to claim 5, wherein the focal point for condensing the laser beam generated by the laser rod (21) to the workpiece by the lens (23) is 0.0001 to 0.003 mm.