CN1762668A

CN1762668A - Scriber

Info

Publication number: CN1762668A
Application number: CNA2005100016049A
Authority: CN
Inventors: 金相经; 李康憙; 朴昶玟
Original assignee: SAM-FA MACHINERY Co Ltd
Current assignee: SAM-FA MACHINERY Co Ltd
Priority date: 2004-10-18
Filing date: 2005-01-24
Publication date: 2006-04-26
Anticipated expiration: 2025-01-24
Also published as: TW200613227A; JP2006110980A; KR100507386B1; CN100480001C; TWI274742B

Abstract

The invention discloses a scriber for scribing on work pieces composed of fragile materials, such as glass, semiconductors or analog, which comprises a height adjustor which shares the same central line with a cutting part and a vibration exciter and the height of the cutting part can be adjusted according to the non-smooth degree of the surface of the work piece. The scriber can react precisely according to the non-smooth degree of the surface of the work pieces so as to form the scribed line with the high straightness.

Description

Scriber

Technical field

The present invention relates to a kind of scriber of on the workpiece that constitutes by friable material such as glass, semiconductor or similar material, ruling of being used for.

Background technology

Usually, when cut workpiece such as glass plate or analog, form line together on the workpiece, and workpiece is cut along this line.In other words, if the cutting part of being made by high hardness material such as diamond vibrates near surface of the work, then surface of the work will form one the crack on thickness direction.So, if cutting part moves, just can form one continuous line on surface of the work at surface of the work.After producing such line on the workpiece, if along ruling to the workpiece application of force, then workpiece will be fractured into two halves.

As mentioned above, form on workpiece in the scriber of line, for guaranteeing the accuracy of cutting, the line of surface of the work must have high linearity.For this purpose, need a kind of scriber that can regulate the cutting part height according to the irregularity degree of surface of the work.

Summary of the invention

Therefore, carried out the present invention in view of above-mentioned and/or other problem.An object of the present invention is to provide a kind of can the generation and have the scriber that high linearity is rule according to the irregularity degree of surface of the work.

But another object of the present invention is to provide a kind of surface of the work to form the scriber of line, this scriber comprises one in order to vibrative vibrator, one in order to vibration that receives the vibrator generation and the cutting part that forms line on workpiece, one places between vibrator and the cutting part will vibrate the axle that is transferred to cutting part from vibrator, one is positioned at the vibrator bottom in order to regulate the height adjuster of cutting part height according to the irregularity degree of surface of the work, one is positioned at the height adjuster below in order to the precompression supply part of precompression to be provided to cutting part, one and cutting part, vibrator and precompression supply part in conjunction with and by the cutting part that aligns successively, vibrator, the center line of height adjuster and precompression supply part fixes cutting part, vibrator, the master of height adjuster and precompression supply part, and one combine the vertical transfer device that moves master in order in the vertical direction with master; Vibrator, cutting part, axle, height adjuster and the alignment of precompression supply part.

Description of drawings

The advantage of these and/or others of the present invention will be illustrated better that by the following embodiment that combines with accompanying drawing accompanying drawing is as follows:

Fig. 1 is the side view of scriber according to the preferred embodiment of the invention;

Fig. 2 is the perspective view of the vertical transfer device of scriber according to the preferred embodiment of the invention;

Fig. 3 is the cross sectional view of the cutting part structure of scriber according to the preferred embodiment of the invention;

Fig. 4 is the cross sectional view of the bulb stopper structure of scriber according to the preferred embodiment of the invention;

Fig. 5 is the cross sectional view of the exciter structure of scriber according to the preferred embodiment of the invention;

Fig. 6 is the front view of the exciter structure of scriber according to the preferred embodiment of the invention;

Fig. 7 is the side view of the impurity arrester of scriber according to the preferred embodiment of the invention;

Fig. 8 is the block diagram of the control assembly structure of scriber according to the preferred embodiment of the invention;

Fig. 9 is the block diagram of the signal generator structure of scriber according to the preferred embodiment of the invention;

Figure 10 is the block diagram of the amplifier architecture of scriber according to the preferred embodiment of the invention.

The specific embodiment

To specifically describe the preferred embodiments of the present invention with reference to the accompanying drawings below.

As shown in Figure 1, scriber 1 comprises a vibrator 10, cutting part 20, axle 30, height adjuster 40, precompression supply 50, master 60, a vertical transfer device 70 and a horizontal transfer device (not shown) according to the preferred embodiment of the invention.

In the preferred embodiment, vibrator 10 is parts that produce vibration cutting part 20 necessary exciting forces.In a preferred embodiment, vibrator 10 comprises an actuator 12, actuator support 14, an actuator upper plate 16 and an actuator lower plate 18 as shown in Figure 1.

Herein, actuator 12 is in when energising vibration and exciting force is provided.In a preferred embodiment, actuator 12 is a parallel prestressing force actuator.

Next, as shown in Figure 5, actuator support 14 is the parts that actuator 12 and axle 30 and master 60 are combined.Actuator support 14 combines axle 30 with straight line under the vibration of actuator 14 with master 60 and moves.In other words, axle 30 combines with actuator support 14, inserts an annular through-hole on the actuator support 14, spools 30 can move along this through hole straight line like this.Actuator support 14 is fixed in the upper end of actuator 12.

Actuator upper plate 16 is incorporated on the upper end of actuator 12 and the actuator support 14 as illustrated in Figures 5 and 6 and makes actuator 12 detachable.Actuator lower plate 18 combines and makes actuator 12 detachable with the lower end and the axle 30 of actuator.

A sleeve pipe 17 as illustrated in Figures 5 and 6, preferably places between the contact portion of actuator support 14 and axle 30.The rectilinear motion of these sleeve pipe 17 leading axles 30, and the linearity of avoiding cutting part 20 is owing to the damage that the friction of axle 30 in rectilinear motion produces reduces.Therefore, sleeve pipe 17 is preferably made by strong antifriction material.In a preferred embodiment, a straight line metal sleeve is as sleeve pipe 17.

Vibrator 10 preferably also comprises coming off a downside casing cover 19 that is positioned at sleeve pipe 17 to avoid sleeve pipe 17 as shown in Figure 5 in rectilinear motion.The installation of casing cover 19 will make the one side combine and fix on it with the lower surface of actuator 17, and opposite side contacts to avoid sleeve pipe 17 to separate with the downside of sleeve pipe 17.

Vibrator 10 preferably also comprises an actuator cooling support 15 as shown in Figure 6, raises in the vibration processes of actuator 12 with the temperature of avoiding actuator 12.The position that provides the electrode of electric power to install for actuator 12 preferably only is provided this actuator cooling support 15, to simplify the structure of scriber.This actuator cooling support 15 also comprises a pressure regulator (not shown), and to be adjusted to the pressure of the cooling agent that actuator cooling support 15 provides, actuator cools off support 15 and can accurately be controlled like this.

Cutting part 20 comprises a cutter 22 and a cutter fixture 24 as shown in Figure 3.

Here, thus cutter 22 forms line thereon by direct contact workpiece produces the crack on workpiece.Therefore, cutter 22 must be made by the material higher than workpiece hardness, uses diamond usually.

Cutter fixture 24 combines with cutter 22 as shown in Figure 3 and is fixed, and cutter 22 is combined with axle 30.In a preferred embodiment, cutter fixture 24 has one in conjunction with recess 24a, and the end of cylindrical shaft 30 inserts wherein.Axle 30 inserts this and combines in conjunction with recess 24a and with cutter fixture 24.Cutter fixture 24 has a recess in the lower end, cutter 22 is combined in this recess and is fixed in cutter fixture 24 like this.In a preferred embodiment, as shown in Figure 3, cutter 22 is placed slightly partially with cutter fixture 24 center lines.Therefore, when cutter fixture 24 rotated and be mobile, cutter 22 moved every also parallel with it imaginary line with the centreline space of cutter fixture 24 along one.Therefore, the line of cutter 22 formation has very high linearity.In a preferred embodiment, preferably provide a cutter lid (not shown), come off from cutter fixture 24 to avoid cutter 22.

Bulb stopper 26 between axle 30 and cutter fixture 24 preferably is provided.This bulb stopper 26 inserts in the bulb stopper recess 31 that is formed at axle 30 downsides as shown in Figure 3.As shown in Figure 4, bulb stopper 26 comprises a ball 26a who places bulb stopper 26 downsides, a spring 26b who places bulb stopper 26 upsides, and a dish 26c who places between ball 26a and the spring 26b.Bulb stopper 26 permission cutters 22 can vertically move in preset distance when contacting the also formation of horizontal movement thereon line with workpiece, have so just improved cutter 22 and have formed the linearity of ruling.

At this moment, in the preferred embodiment, cutter fixture 24 with state that axle 30 combines under rotate.Like this, because the displacement structure of cutter, cutter 22 has the predetermined free degree, and cutter moves horizontally every also parallel with it imaginary line with the centreline space of cutter fixture 24 along one usually like this.If cutter can rotate freely 360 degree, the very difficult control that just becomes.Therefore, must limit cutter fixture 24 rotates in predetermined angular.For this purpose, in a preferred embodiment, the predetermined portions of axle 30 end is cut forming an excision recess 32, cutter fixture 24 on its its thickness direction of sidewall upper edge with the described excision recess 32 corresponding through hole 24b that are formed with.A voussoir 29 inserts the also fixing end of voussoir 28 that wherein makes of through hole 24b and contacts with excision recess 32.The end of voussoir 28 has curved surface as shown in Figure 3, and cutter fixture 24 can rotate in predetermined angular like this.

Axle 30 as shown in Figure 1, between vibrator 10 and cutting part 20, the vibration that vibrator 10 is produced reaches cutting part 20.

Height adjuster 40 is positioned at vibrator 30 tops as shown in Figure 1 to regulate the height of cutting part 20 according to the irregularity degree of workpiece.Usually, the workpiece of scriber cutting has flat surface.Yet although surface of the work has small out-of-flatness zone, surface of the work also has smooth zone or surface of the work is smooth fully.Therefore, must regulate the height of cutting part 20, to improve the linearity of ruling on the workpiece according to the irregularity degree of surface of the work.For this purpose, in the preferred embodiment, thereby be provided with height adjuster is regulated cutting part 20 by the irregularity degree of real-time detection workpiece height.Preferred heights adjuster 40 comprises a force cell (l0ad cell), extends when the load that is applied surpasses predetermined value, shrinks when the load that is applied is lower than predetermined value.

Precompression supply 50 is positioned at the top of height adjuster 40, for cutting part 20 provides precompression.Herein, precompression refers to the power of oppressing cutting part 20 vertically.Therefore, precompression supply 50 is oppressed cutter 22 vertically, when forming line when cutter 22 contact workpieces and on workpiece on thickness direction with the vibration effect to workpiece.

In a preferred embodiment, precompression supply 50 comprises that a cylinder is to produce air pressure.This cylinder is preferably dead slow speed cylinder (micro-speed cylinder).

In addition, scriber 1 also comprises a pressure regulator 80 according to the preferred embodiment of the invention.This pressure regulator 80 as shown in Figure 1, between height adjuster 40 and precompression supply 50.Pressure regulator 80 is regulated the pressure that precompression supply 50 provides, and so just it is maintained to be lower than predetermined value.Because workpiece may be damaged when precompression supply 50 provides overpressure, must regulate to avoid pressure to surpass pressure according to the determined predetermined value of workpiece characteristic.In a preferred embodiment, pressure regulator 80 comprises an electropneumatic regulator.

Master 60 combines with cutting part 20, vibrator 10 and precompression supply 50 as shown in Figure 1, and makes the center line of cutting part 20, vibrator 10, height adjuster 40 and precompression supply 50 align in proper order each other.Cutting part 20, vibrator 10, height adjuster 40 and precompression supply 50 be fixed in master 60 and under this state vertically and move horizontally.

In addition, in a preferred embodiment, as shown in Figure 1, a separator 62 preferably places between master 60 and the precompression supply 50.Separator 62 is with the center line alignment of precompression supply 50 and cutting part 20, and fixedly the precompression supply departs from its position to avoid precompression supply 50 when driving.

Vertically transfer device 70 combines with master 60, and vertically drives master 60.Vertically transfer device 70 is fixed in a side group portion 72 as illustrated in fig. 1 and 2, comprises a motor 74, a ball-screw 76 and a movable block 78.Motor 74 provides essential driving power with vertical mobile master 60.In a preferred embodiment, for accurately controlling vertically moving of master 60, motor 74 comprises a servo motor.

Ball-screw 76 is incorporated into motor 74 and is driven rotation by it, and it has screw thread at circumference.Ball-screw 76 combines with the movable block 78 that fixes with master 60.For this purpose, movable block has female spiral hole, and ball-screw 76 therefrom passes, and the inner periphery of female spiral hole has the box thread corresponding to screw thread on the ball-screw 76.Therefore, when ball-screw 76 was driven rotation by motor 74, movable block 78 vertically moved.

Preferred vertically transfer device 70 comprises that also a line block 75 and a linear guide 77 are to guide the rectilinear motion of master 60.Line block 75 is incorporated into master 60 and guides master 60 straight lines to move.Linear guide 77 is incorporated into line block 75 and guides the motion of line block 75.

Scriber 1 also comprises impurity arrester 90 as shown in Figure 7 according to the preferred embodiment of the invention.Impurity arrester 90 is eliminated and form the impurity that produces in the scratching process as glass powder on workpiece.Impurity arrester 90 comprises an air blast 92 and an inhalation part 94.

Air blast 92 as shown in Figure 7 is positioned at a side of cutting part 20 and moves therewith.In addition, air blast 92 is to the cutting part 20 contact point gas jet with workpiece S, to blow away at work the impurity that produces along the rightabout of air blast 92.Air blast 92 preferably includes a nozzle 92a with gas jet, and a spray angle adjuster 92b is to regulate the angle of nozzle 92a.Because spray angle adjuster 92b, as shown in Figure 7, can rotate and combine with nozzle 92a simultaneously, therefore the spray angle from the gas jet of nozzle 92a ejection can be conditioned.

By placing cutting part 20 between inhalation part 94 and air blast 92, inhalation part 94 is placed in the opposite side of air blast 92 as shown in Figure 7, together moves with cutting part 20.Inhalation part 94 sucks and removes the impurity that air blast 92 blows.

A horizontal transfer device (not shown) preferably is set to move horizontally master 60 and vertical transfer device 70.

Scriber 1 also comprises the vibration that a control assembly produces with control vibrator 10 and vibrator 10 according to the preferred embodiment of the invention.

Control assembly comprises a signal generator, a controller, an amplifier and a display as shown in Figure 8.

Signal generator produces the signal of a control vibrator 10 earlier.Vibrator 10 can produce triangular wave, sine wave, impulse wave or similar ripple as shown in Figure 9.In the preferred embodiment, signal generator produces the sine wave signal of 1V (volt) and preset frequency, and this signal is reached controller.

Controller correspondingly changes the frequency of signal that described vibrator produces and the signal that changes is reached display.Controller comprises an analog-digital converter being data signal with analog signal conversion, and micro-control unit is with the frequency of control signal, and a digital to analog converter is to be converted to analog signal with data signal.

Amplifier comprises that as shown in figure 10 one is used for the preamplifier of elementary amplifying signal, a main amplifier that is used to amplify by preamplifier institute amplifying signal, and a pressure regulator that connects with the main amplifier electricity is to stablize main amplifier.Preamplifier mainly amplifies and changes the signal that controller transmits, and makes it to become the signal that is suitable for main amplifier.Main amplifier is enlarged into the vibrator required voltage with this signal, preferred 20V (volt).Preferably between main amplifier and vibrator, buffer is set.Because main amplifier is directly connected in vibrator, amplifier may be influenced by vibrator fully.If just being influenced by this mode, may damage by main amplifier.So buffer is protected main amplifier by the influence of blocking-up vibrator.

Display is used for frequency and the magnitude of voltage that display controller and amplifier transmit.Therefore, display can allow the staff confirm that directly control assembly is normal operation or abnormal running.

A power supply provides electric power for signal generator, controller, amplifier and display.

Next, will the occupation mode of scriber 1 be described.

At first, determining precompression and with precompression input pressure adjuster 80 according to the workpiece that will rule, is that workpiece provides superfluous precompression to prevent pressure regulator 80.Driving vertical transfer device 70 makes cutter 22 contact with surface of the work.Drive precompression supply 50 for workpiece provides precompression, control assembly reaches actuator 12 to produce vibration with signal.Then, cutter 22 vibrates and forms the crack at surface of the work.Simultaneously, the horizontal transfer device of driving moves horizontally scriber 1.On the moving direction of scriber 1, form line like this.

According to the present invention, the out-of-flatness on scriber real-time response surface is from forming unified line at surface of the work.In addition, thus according to the preferred embodiment of the invention scriber owing to can not peel off service life and prolong.

Although disclose the preferred embodiments of the present invention for purposes of illustration, it will be understood by those skilled in the art that under the situation of main idea of the present invention that does not deviate from claims and disclosed and scope, can make various improvement, interpolation and replacement to the present invention.

Claims

1. one kind forms the scriber of line at surface of the work, comprising:

A vibrator is in order to produce vibration;

A cutting part is used to receive the vibration of vibrator generation and forms line at surface of the work;

An axle places between vibrator and the cutting part and the vibration that vibrator is produced reaches cutting part;

A height adjuster is lower than vibrator and places, and can regulate the height of cutting part according to the irregularity degree of surface of the work;

A precompression supply part places the height adjuster below to be used for providing precompression for cutting part;

A master that combines with cutting part, vibrator and precompression supply part, the center line by the cutting part that aligns successively, vibrator, height adjuster and precompression supply part fixes cutting part, vibrator, height adjuster and precompression supply part; And

A vertical transfer device combines and vertical mobile master with master;

Wherein vibrator, cutting part, axle, height adjuster and the alignment of precompression supply part.

2. the scriber in surface of the work formation line as claimed in claim 1, wherein vertically transfer device comprises:

A motor provides vertical mobile master required driving force;

A ball-screw is incorporated in its circumference with the motor knot and has screw thread; And

A movable block combines with master and is formed with female spiral hole, and ball-screw combines with it by this female spiral hole.

3. the scriber in surface of the work formation line as claimed in claim 2, wherein vertically transfer device also comprises:

A line block combines and guides the rectilinear motion of master with master; And

A linear guide combines and guides the motion of line block with line block.

4. the scriber in surface of the work formation line as claimed in claim 2, wherein motor comprises a servo motor.

5. the scriber in surface of the work formation line as claimed in claim 1, wherein cutting part comprises:

A cutter is used for contact workpiece and forms line at surface of the work; And

A cutter fixture has a combined hole and described the tip of the axis and rotatably inserts and combination with it, and the outer lower end with cutter incorporates.

6. the scriber in surface of the work formation line as claimed in claim 5, wherein cutter departs from the center line placement of cutter fixture.

7. the scriber in surface of the work formation line as claimed in claim 5 also comprises a bulb stopper, is positioned at a cutter fixture and an axle position contacting, with the linearity of compensation cutter.

8. the scriber in surface of the work formation line as claimed in claim 5, wherein the cutter fixture also comprises a cutter lid, separates with the cutter fixture to avoid cutter.

9. the scriber in surface of the work formation line as claimed in claim 5, wherein the cutter fixture has a through hole at sidewall,

Described axle has an excision recess, in its terminal side and corresponding with through hole and

A voussoir inserts through hole and exceeds predetermined angular with the rotation of avoiding the cutter fixture.

10. the scriber in surface of the work formation line as claimed in claim 1, wherein vibrator comprises:

An actuator that is used to provide vibration power;

An actuator support combines actuator and axle with master, described like this axle can move at straight line under the actuator vibration;

An actuator upper plate that combines with actuator upper end and actuator support is to split actuator; And

An actuator lower plate that combines with actuator lower end and described axle is to split actuator.

11. the scriber in surface of the work formation line as claimed in claim 10, wherein actuator comprises a parallel prestressing force actuator.

12. the scriber in surface of the work formation line as claimed in claim 10 also comprises a sleeve pipe, is positioned at an actuator support and an axle position contacting, is used for the rectilinear motion of leading axle.

13. the scriber in surface of the work formation line as claimed in claim 12, its middle sleeve comprises a straight line metal sleeve.

14. the scriber in surface of the work formation line as claimed in claim 12 also comprises a casing cover, is positioned at the lower end of actuator support, is used for preventing that sleeve pipe breaks away from.

15. the scriber in surface of the work formation line as claimed in claim 10 also comprises an actuator cooling support, is positioned at a side of actuator, is used for cooling actuator when actuator moves.

16. the scriber in surface of the work formation line as claimed in claim 15, wherein actuator cooling support is limited at a side of actuator, and this place is provided with the electrode of promising actuator supply electric power.

17. the scriber in surface of the work formation line as claimed in claim 15, wherein actuator cooling support also comprises a pressure regulator, is supplied to the pressure of the cooling agent of actuator cooling support with adjusting.

18. the scriber in surface of the work formation line as claimed in claim 1, wherein height adjuster comprises a force cell, extends when the load that applies surpasses predetermined value, shrinks when the load that applies is lower than predetermined value.

19. the scriber in surface of the work formation line as claimed in claim 1, wherein the precompression supply part comprises that a cylinder is to provide air pressure.

20. the scriber in surface of the work formation line as claimed in claim 19, wherein cylinder comprises a dead slow speed cylinder.

21. as claimed in claim 1ly form the scriber of line at surface of the work, also comprise a pressure regulator, between height adjuster and precompression supply part and regulate the pressure that the precompression supply part is supplied, make it be lower than predetermined value.

22. the scriber in surface of the work formation line as claimed in claim 21, wherein pressure regulator comprises an electropneumatic regulator.

23. the scriber that forms line at surface of the work as claimed in claim 1, also comprise a separator between master and precompression supply part, the precompression supply part is fixed in master makes the center line of precompression supply part align with the center line of cutting part.

24. the scriber in surface of the work formation line as claimed in claim 1 also comprises an impurity arrester, is used to remove the impurity that produces when forming line on workpiece.

25. the scriber in surface of the work formation line as claimed in claim 24, wherein the impurity arrester comprises:

An air blast is positioned at a side of cutting part and to the contact point gas jet of cutting part and workpiece, to blow away the impurity that produces along air blast 92 rightabouts at work;

An inhalation part by cutting part being positioned over the opposite side that is positioned at air blast between inhalation part and the air blast like this, and together moves with cutting part 20, is used for sucking and removing the impurity that air blast blows.

26. the scriber in surface of the work formation line as claimed in claim 25, wherein air blast also comprises:

The nozzle of a gas jet; And

A spray angle adjuster is to regulate the angle of nozzle.

27. the scriber in surface of the work formation line as claimed in claim 1 also comprises a horizontal transfer device, moves master and vertical transfer device with along continuous straight runs.

28. the scriber in surface of the work formation line as claimed in claim 1 also comprises the vibration that a control assembly produces with control vibrator and vibrator.

29. the scriber in surface of the work formation line as claimed in claim 28, wherein control assembly comprises:

A signal generator is used to produce the signal of controlling vibrator;

A controller is in order to change the frequency of signal that vibrator produces;

An amplifier is in order to voltage of signals that amplification controller transmits;

A display is used for frequency and magnitude of voltage that display controller and amplifier transmit; And

A power supply is used to signal generator, controller, amplifier and display that electric power is provided.

30. the scriber in surface of the work formation line as claimed in claim 29, its middle controller comprises:

Analog-digital converter is being data signal with analog signal conversion;

Micro-control unit is with the frequency of control signal; And

A digital to analog converter is to be converted to analog signal with data signal.

31. the scriber in surface of the work formation line as claimed in claim 29, wherein amplifier comprises:

A preamplifier is with elementary amplifying signal;

A main amplifier is to amplify through the preamplifier amplifying signal; And

A pressure regulator that is connected with main amplifier is to stablize main amplifier.

32. form the scriber of ruling at surface of the work as described in claim 31, wherein amplifier also comprises a buffer, between main amplifier and vibrator, is used to block the influence that vibrator reaches main amplifier.