TWI675808B - Holder, holder unit and scoring device - Google Patents

Abstract

The present invention is completed in view of the problem that the formation position of the scribe line is shifted due to the movement of the scribe wheel in the direction of the pin axis. Position shifted holder, holder unit and scoring device.

The holder unit 30 includes a scoring wheel 40, a pin 50 penetrating through a through hole of the scoring wheel, a pair of holding portions 63a, 63b formed in a lower portion 62 of the holder 60, and a pin inserted through the pin The holes 66a and 66b are formed in the holding portion 63a with a ventilation hole 70 for discharging or attracting air at a position facing the side surface 41a of the scoring wheel.

Description

Holder, holder unit and scoring device

The present invention relates to a holder, a holder unit, and a scoring device used when a scribe line is formed on the surface of a brittle material substrate during the breaking of a brittle material substrate such as a glass substrate.

When cutting a brittle material substrate such as a glass substrate into a desired size, a scoring device is generally used. This scoring device is used by attaching a scoring wheel to a holder for holding the scoring wheel. The scoring wheel is held between the holding portions (holding grooves) by inserting a cylindrical pin into a pin hole formed in the holding portion of the holder and a through hole formed in a side surface of the scoring wheel. .

Furthermore, the scribe wheel mounted on the holder is held so as to be rotatable, and the scribe line is formed on the brittle material substrate by advancing while rotating on the surface of the brittle material substrate. Further, as such a scoring device, there is a scoring device described in Patent Document 1, for example.

Patent Document 1: International Patent Publication WO2007 / 063979

As described above, the scoring wheel attached to the holder must be rotated in the holding groove in order to form a scribe line. Therefore, the width of the holding groove is slightly wider than the thickness of the scribe wheel to ensure a gap between the scribe wheel and the holding portion. Specifically, when the thickness of the scoring wheel is 0.65 mm, the width of the holding groove is further increased by about 0.02 mm. As such, between the scribe wheel and the holding portion There is a gap and the scoring wheel is kept free to rotate.

On the other hand, due to this gap, the scoring wheel can move about 0.02 mm along the pin axis in the holding groove. Therefore, when the scribe line is formed, the scribe line moves in the direction of the pin axis, so that the position where the scribe line is formed becomes unstable. In the conventional scoring device, there is a scribe line from a desired position. The problem of offset.

The present invention is made in view of the above-mentioned problem points that the formation position of the scribe line is shifted due to the movement of the scribe wheel in the direction of the pin axis, and the object is to provide a stable formation position of the scribe line without A holder, a holder unit, and a scoring device shifted from a desired position are generated.

In order to achieve the above object, the holder of the present invention includes a main body portion, a pair of holding portions formed below the main body portion, and pin holes located on the coaxial and formed in the holding portions, respectively, for penetrating through the scribe The penetrating hole of the wheel is inserted into the pin shaft of the pin hole, and the scoring wheel is rotatably held between the holding portions. The holding portion is formed with a holding portion for holding the scoring wheel. A vent hole that discharges or attracts air at a position opposite to the side of the scoring wheel.

According to the holder of the present invention, the scoring wheel can be limited to the pin due to the gap between the scoring wheel and the holding portion by discharging or attracting air through the vent hole while the scoring wheel is held in the holding portion. Movement in the axis direction. Therefore, the holder can stabilize the formation position of the score line.

Further, in the holder of the present invention, the vent hole is formed only on one side of the pair of holding portions.

According to the holder of the present invention, since the holder on one side of the scribing wheel is close to the holder, This can further limit the movement of the scoring wheel in the direction of the pin axis. Therefore, the holder can stabilize the formation position of the score line.

Further, in the holder of the present invention, the ventilation hole is connected to a side ventilation path formed on an outer side surface of the holding part, and the side ventilation path is connected to a main body ventilation path formed inside the main body part.

According to the holder of the present invention, it is possible to easily form a ventilation path connected to the vent hole by processing the holder.

Moreover, in the holder of the present invention, the pin hole also serves as the vent hole.

According to the holder of the present invention, since the air flow is generated in the pin hole, it is possible to prevent the debris generated when the scribe line is formed from adhering to the pin shaft. In addition, by generating air flow in the central portion of the scribing wheel, it is possible to suppress the inclination of the scribing wheel during scribing.

In addition, the holder unit of the present invention includes a scoring wheel, a pin penetrating through a through hole of the scoring wheel, and a holder having a main body portion formed below the main body portion and holding the scoring wheel. A pair of holding portions and pin holes that are coaxially formed on the holding portions and pass through the pin shafts are characterized in that the holding portions are formed to face the sides of the scoring wheel. A vent hole that discharges or attracts air.

According to the holder unit of the present invention, movement of the scoring wheel in the pin axis direction due to the gap between the scoring wheel and the holding portion can be restricted by exhausting or attracting air through the vent hole. Therefore, the holder can stabilize the formation position of the score line.

Further, in the holder unit of the present invention, the vent hole is formed only on one side of the pair of holding portions.

According to the holder unit of the present invention, the scribe wheel is attached to one of the holders due to the scribing wheel. Therefore, the movement of the scoring wheel in the direction of the pin axis can be more restricted. Therefore, the holder unit can stabilize the formation position of the scribe line.

Further, in the holder unit of the present invention, the ventilation hole is connected to a side ventilation path formed on an outer side surface of the holding part, and the side ventilation path is connected to a main body ventilation path formed inside the main body part.

According to the holder unit of the present invention, it is possible to easily form a ventilation path connected to the vent hole by processing the holder.

Further, in the holder unit of the present invention, the side ventilation path seals the surface by a stopper fixed to an outer side surface of the holding portion.

According to the holder unit of the present invention, the surface can be sealed more easily than when the surface of the side air passage is sealed with resin, welding (welding), or the like. In addition, the stopper can also be used as a pull-out preventing pin.

Further, in the holder unit of the present invention, the pin hole also serves as the vent hole.

According to the holder unit of the present invention, since the air flow is generated in the pin hole, it is possible to prevent the debris generated when the scribe line is formed from adhering to the pin shaft. In addition, by generating air flow in the central portion of the scribing wheel, it is possible to suppress the inclination of the scribing wheel during scribing.

In addition, the scoring device of the present invention includes the above-mentioned holder, and has an air intake and exhaust unit that exhausts or sucks air through the vent hole. In addition, the scoring device of the present invention includes the holder unit described above, and has a suction / exhaust portion that discharges or sucks air through the vent hole.

According to the scoring device of the present invention, the air is exhausted or sucked by the suction and exhaust section, so that the scoring wheel caused by the gap between the scoring wheel and the holding section can be restricted to the pin axis Its movement. Therefore, the scoring device can stabilize the formation position of the scribe line.

1‧‧‧ scoring device

10‧‧‧mobile station

11‧‧‧ball screw

12‧‧‧rail

13‧‧‧ Motor

14‧‧‧platform

15‧‧‧ Brittle material substrate

16‧‧‧CCD camera

17‧‧‧bridge

18a, 18b

19‧‧‧Guide

20‧‧‧Scratch head

21a, 21b‧‧‧bearing

22‧‧‧ septa

23‧‧‧ Suction and exhaust section

24‧‧‧ Catheter

25‧‧‧Connecting hole

30‧‧‧ holder unit

40‧‧‧ Scribing Wheel

41a, 41b ‧‧‧ side

50‧‧‧ pin

51‧‧‧ pointed head

60, 160‧‧‧ holder

61‧‧‧ holder upper

62, 162‧‧‧ lower holder

63a, 63b, 163a‧‧‧

64‧‧‧ holding groove

65a, 65b, 165a‧‧‧ cylinder

66a, 66b, 166a ‧‧‧ pin holes

67a, 67b‧‧‧ Retaining wall

68、168‧‧‧Screw mounting holes

70, 170‧‧‧ Ventilation holes

71‧‧‧Body ventilation path

71a‧‧‧Different ventilation path

72, 172‧‧‧ side ventilation

73, 173‧‧‧ connecting holes

80a, 80b‧‧‧Fixing screws

81a, 81b‧‧‧ Stop

FIG. 1 is a schematic view of a scoring device according to the first embodiment.

Fig. 2 (A) is a front view of the holder unit of Embodiment 1; Fig. 2 (B) is a side view of the holder unit.

Fig. 3 (A) is a front view of a holder constituting the holder unit of Embodiment 1; Fig. 3 (B) is a side view of the holder; Fig. 3 (C) is a IIIC-IIIC of Fig. 3 (B) Sectional view of the line.

Fig. 4 (A) is an enlarged view of a region P in Fig. 3 (B); Fig. 4 (B) is a perspective view of the situation shown in Fig. 4 (A) viewed from the lower side; Fig. 4 (C), It is a sectional view taken along the line IVC-IVC in FIG. 4 (A).

FIG. 5 is an enlarged side view of a main part of a holder in Embodiment 2. FIG.

Hereinafter, embodiments of the present invention will be described using drawings. However, the embodiment shown below is an example for embodying the technical idea of the present invention, and it is not intended to limit the present invention to this embodiment. The present invention is also applicable to other embodiments included in the scope of patent application.

[Embodiment 1]

FIG. 1 is a schematic view of a scoring device 1 according to an embodiment of the present invention. The scoring device 1 includes a mobile station 10. The moving table 10 is screwed with a ball screw 11, and the ball screw 11 is rotated by a motor, thereby being movable along a pair of guide rails 12 in the y-axis direction.

A motor 13 is provided above the mobile station 10. Motor 13, so that it is located on the upper part The platform 14 is rotated in the xy plane to be positioned at a predetermined angle. The platform 14 that can be horizontally rotated by the motor 13 is provided with a vacuum suction means (not shown), and the vacuum suction means is used to hold the brittle material substrate 15 that has been placed on the platform 14.

The brittle material substrate 15 is a glass substrate, a ceramic substrate made of a low-temperature fired ceramic or a high-temperature fired ceramic, a silicon substrate, a compound semiconductor substrate, a sapphire substrate, a quartz substrate, or the like. In addition, the fragile material substrate 15 may be formed by attaching a thin film or a semiconductor material to the surface or the inside of the substrate. In addition, the brittle material substrate 15 may have a film or the like other than a brittle material adhered to the surface thereof.

The scoring device 1 is provided with two CCD cameras 16 that photograph an alignment mark formed on the surface of the brittle material substrate 15 above the brittle material substrate 15 placed on the platform 14. A bridge 17 is erected on the pillars 18a, 18b so as to span the mobile station 10 and the upper platform 14 thereof.

A guide 19 is attached to the bridge 17, and the scoring head 20 is provided so as to be guided by the guide 19 and move in the X-axis direction. A holder unit 30 is attached to the lower end of the scoring head 20 to hold the scoring wheel 40 on the holder 60.

Here, a procedure for forming a score line on the brittle material substrate 15 using the scoring device 1 will be briefly described. First, the scoring wheel 40 is attached to a holder 60 attached to the scoring head 20. Then, the scribe device 1 performs positioning of the brittle material substrate 15 by a pair of CCD cameras 16. Next, the scoring device 1 moves the scoring head 20 to a predetermined position, applies a predetermined load to the scoring wheel 40, and contacts the scoring material substrate 15. Then, the scoring device 1 moves the scoring head 20 in the X-axis direction to form a predetermined scribe line on the surface of the brittle material substrate 15. In addition, the scoring device 1 rotates the platform 14 or moves in the Y-axis direction as necessary to meet the situation described above. A score line is formed in the same manner.

Next, details of the holder unit 30 will be described using drawings. FIG. 2 (A) is a front view of the holder unit 30, and FIG. 2 (B) is a side view of the holder unit 30. As shown in FIG. In addition, FIG. 3 (A) is a front view of the holder 60 constituting the holder unit 30, FIG. 3 (B) is a side view of the holder 60, and FIG. 3 (C) is taken along the line IIIC-IIIC of FIG. 3 (B). Section view. In addition, FIG. 4 (A) is an enlarged view of the area P surrounded by a one-point chain line in FIG. 3 (B), and FIG. 4 (B) is a perspective view viewed from the lower side of the portion shown in FIG. 4 (A). Fig. 4 (C) is a sectional view taken along the line IVC-IVC in Fig. 4 (A). In addition, FIG. 4 (C) shows a part of the holder unit 30 in addition to the cross section of the holder 30. In addition, the traveling direction of the holder unit 30 when forming the scribe line is a direction indicated by an arrow D in FIG. 2 (B).

The holder unit 30 is integrally formed with the scoring wheel 40, the pin 50 shown in FIG. 4 (C), and the holder 60. In addition, FIG. 2 shows two bearings 21 a and 21 b and a cylinder, which are built in the scoring head 20 and constitute a holder joint (not shown) for mounting the holder unit 30 to the scoring head 20. Shaped spacer (22).

The scoring wheel 40 is, for example, a disc-shaped member formed of sintered diamond or cemented carbide. In addition, in the scoring wheel 40, through-holes through which the pin shaft 50 penetrates are formed in the centers of both side surfaces 41a and 41b of the circular plate. Further, a V-shaped blade forming a ridgeline is formed on the outer peripheral portion of the scoring wheel 40. In addition, the scoring wheel 40 of this embodiment has a thickness of about 0.65 mm, an outer diameter of about 2.0 mm, a diameter of the through hole 41 of about 0.8 mm, and a rake angle of the blade 43 of about 130 °.

In addition, the scoring wheel 40 may be formed of sintered diamond or cemented carbide, or may be composed of single crystal diamond or polycrystalline diamond.

The pin 50 is, for example, a cylindrical shape made of sintered diamond or cemented carbide. As shown in FIG. 4 (C), the end of the member is a pointed portion 51 having a pointed shape. The diameter of the pin 50 in this embodiment is about 0.8 mm.

The holder 60 is formed of a metal such as SUS303. The holder 60 includes a holder upper portion 61 on the upper side of the main body portion and a holder lower portion 62 on the lower side. The holder upper portion 61 is inserted into the two bearings 21a, 21b and the spacer 22 constituting the holder joint described above.

The lower portion 62 of the holder has a stepped shape with a gradually narrowing width on the lower side when viewed from the side as shown in FIG. 3 (B). As shown in FIG. 3 (A), the ladder-shaped portion of the lower portion 62 of the holder is opened downward, and a pair of holding portions 63a, 63b and holding grooves 64 between the holding portions 63a, 63b are formed.

Further, cylindrical bodies 65a and 65b are fixed to the holding portions 63a and 63b at coaxial positions by brazing (welding), respectively. Pins 66a and 66b through which the pin shaft 50 is inserted are formed in the cylindrical bodies 65a and 65b at coaxial positions. Therefore, the side surface 41a of the scoring wheel 40 faces the cylindrical body 65a of the holding portion 63a, the side surface 41b faces the cylindrical body 65b of the holding portion 63b, and the facing surface of the cylinder 65a facing the side surface 41a becomes the holding wall 67a. The opposing surface of the cylindrical body 65b opposing the side surface 41b becomes a retaining wall 67b. In each drawing, the cylinders 65a and 65b are shown by hatching generated by left and right oblique lines.

The cylinders 65a and 65b are mounted to suppress friction with the side surface 41 of the scoring wheel 40 and maintain rotation accuracy, and are made of sintered diamond or cemented carbide. Therefore, the cylinders 65a and 65b are not necessarily required, but are provided in the holding portions 63a and 63b in accordance with the relationship with the material and the like of the scoring wheel 40. In addition, as the mounting method of the cylindrical bodies 65a and 65b, specifically, the method described in Japanese Patent Application Laid-Open No. 2011-240540 can be adopted. In addition, the cylindrical bodies 65a and 65b are cut at the lower end side in the mounting step. Therefore, the cylinders 65a, 65b are represented by The status of the lower end being cut off is displayed.

The holder 60 configured as described above is further provided to prevent the side surface 41a of the scribe wheel 40 and the retaining wall from shifting in the formation position of the scribe line caused by the scribe wheel 40 moving in the direction of the pin 50. 67a is a vent hole 70 capable of discharging air, or a vent hole 70 capable of sucking air in order to pull the side surface 41a toward the holding wall 67a. The ventilation holes 70 will be described below.

First, a body ventilation path 71 is formed inside the holder upper part 61 and the holder lower part 62. As shown in FIG. 3 (C), the main body ventilation path 71 extends up and down in the center of the inside of the upper portion 61 of the holder, and reaches slightly above the holding groove 64 of the lower portion 62 of the holder. In addition, at four positions corresponding to the positions of the spacers 22 constituting the holder joint, four branched air passages 71a connecting the body air passages 71 are formed at equal intervals.

A screw mounting hole 68 is formed in the holder lower portion 62 and penetrates between the right side surface and the left side surface. In addition, as shown in FIG. 3 (B), a side air passage 72 connecting the pin hole 66a and the screw mounting hole 68 is formed on the outer side surface S of the holding portion 63a by die sinking EDM.

Further, a connection hole 73 is formed in the side air passage 72 to connect to the main body air passage 71.

In this way, in the holder 60, the branched air passage 71a from the holder upper part 61 is formed, and the branched air passage 71a reaches the main body airway 71, the main body airway 71 reaches the connection hole 73, and the connection hole 73 reaches the side airway. Ventilation path of 72. Further, the side ventilation passage 72 overlaps the pin hole 66a, and the holder 60 has a structure in which the ventilation path is connected to the pin hole 66a. Further, in the present embodiment, the vent hole 70 has a configuration that also serves as a pin hole 66a.

Using this holder 60, the pin shaft 50 is inserted into the through hole of the scoring wheel 40 and the pin holes 66a and 66b of the pair of holding portions 63a and 63b. As shown in FIG. 2, a screw mounting hole 68 is used. Stoppers 81a and 81b are attached to the fixing screws 80a and 80b, respectively, thereby constituting the holder unit 30.

In addition, as shown in FIG. 4 (C), the stoppers 81a and 81b are used to close the pin holes 66a and 66b so that the pin shaft 50 does not fall off.

Furthermore, when the stopper 81a closes the pin hole 66a, the stopper 81a seals the surface of the side air passage 72 exposed on the outer side surface of the holding portion 63a. In addition, the surface of the side air passage 72 may be sealed by other methods such as resin or welding instead of the stopper 81a, but may be simply closed by using the stopper 81a of the closing pin hole 66a.

In the holder unit 30, the ventilation path is made airtight by attaching the stopper 81a, and air can be exhausted or sucked through the ventilation path from the ventilation hole 70, which also serves as the pin hole 66a.

In addition, the holder unit 30 can discharge air from the pin hole 66a, which is a vent hole 70, through the ventilation path of the holder 60 by sending air into the branched air passage 71a from the outside. The air discharged from the pin hole 66a presses the side surface 41a of the scoring wheel 40 along the pin shaft 50. Therefore, the side surface 41a is separated from the holding wall 67a, and the side surface 41b is pressed against the holding wall 67b.

Therefore, the gap between the side surface 41b of the scoring wheel 40 and the holding wall 67b is made zero, and the scoring wheel 40 is restricted from moving along the pin 50 when the scribe line is formed, so the scoring device 1 can make the scoring The formation position of the line is stable, and a scribe line is formed to a desired position. In addition, the dotted arrow E in FIG. 4 (C) schematically shows the flow of air when the air is exhausted from the vent hole 70 through the vent path.

On the other hand, the holder unit 30 can suck air from the vent hole 70, that is, the pin hole 66a through the ventilation path of the holder 60 by taking out air from the branched air passage 71a. Since the side surface 41a of the scoring wheel 40 is drawn along the pin shaft 50 by sucking air from the pin hole 66a, the side surface 41a is drawn toward the holding wall 67a.

Therefore, the gap between the side surface 41a of the scoring wheel 40 and the holding wall 67a is made zero, and the scoring wheel 40 is restricted from moving along the pin 50 when the scribe line is formed, so the scoring device 1 can make the scribe line The formation position is stable, and a score line is formed to a desired position.

As described above, since the air is exhausted or sucked from the pin hole 66a that becomes the ventilation hole 70, the scoring device 1 uses the ventilation composed of the main body ventilation path 71, the side ventilation path 72, and the like as shown in FIG. 3 (C). path. For this purpose, the scoring device 1 is provided with a suction / exhaust section 23 for sending air into or out of the air vent 70 and a duct 24 connected to the scoring head 20 from the suction / exhaust section 23. As shown in FIG. 2, a communication hole 25 is provided in the spacer 22. In the scoring head 20, the airtightness of the holder upper part 61 is relatively preferably accommodated in the scoring head 20. Therefore, the ventilation path of the holder 60 and the inside of the scoring head 20 pass through the communication hole 25 and the branched ventilation by sending air into or from the suction and exhaust section 23 into the scoring head 20. The road 71a allows air to flow.

In addition, when the wind pressure when discharged from the vent hole 70 is too strong, it may conversely prevent the scoring wheel 40 from rotating. Therefore, when exhausting or attracting air, such problems and the like are also taken into consideration to determine the amount of air from the intake and exhaust sections. In this embodiment, the scoring device 1 can form a good scribe line when air is sent out at a wind pressure of about 0.05 MPa.

A compressor that supplies compressed air is used as the intake and exhaust section 23, for example. In addition, vacuum pumps, suction fans or exhaust fans can be used. In addition, A pressure sensor or a regulator for pressure adjustment may be provided between the suction / exhaust section 23 and the scoring head 20. In addition, although it is completely different from the scoring device 1 that discharges or sucks air to the side surface 41a of the scoring wheel 40 through the vent hole 70 as in this embodiment, it is a scoring device that discharges or sucks air from the holder or around the holder For example, a scoring device described in Japanese Patent Application Laid-Open No. 2000-247667 or Japanese Patent Application Laid-Open No. 2008-94635 is known. Therefore, as a specific configuration of the suction / exhaust section 23 or the duct 24 included in the scoring device 1, a configuration described in the above-mentioned document can be adopted.

As described above, the holder 60 of this embodiment has a pair of holding portions 63a, 63b formed in a lower portion 62 of the holder forming the main body portion. The holding portion 63a is formed to hold and scribe when the scribe wheel 40 is held. The side surface 41 a of the wheel 40 opposes a vent hole 70 for discharging or attracting air. Therefore, the holder unit 30 discharges air from the vent hole 70 to the side surface 41a of the scoring wheel 40 while holding the scoring wheel 40, so that the gap between the side surface 41b of the scoring wheel 40 and the holding wall 67b Is zero, so that the scribe wheel 40 is restricted from moving along the pin 50 when the scribe line is formed. Therefore, the scoring device 1 can stabilize the formation position of the scribe line and form the scribe line to a desired position.

In addition, on the contrary, the holder unit 30 sucks air from the vent hole 70 from the side surface 41a of the scoring wheel 40 while holding the scoring wheel 40, so that the side surface 41a of the scoring wheel 40 and the holding wall 67a The gap between them is zero, so that when the scribe line is formed, the scribe wheel 40 is restricted from moving along the pin 50. Therefore, the scoring device 1 can stabilize the formation position of the scribe line and form the scribe line to a desired position.

In addition, in this embodiment, it is a structure which uses the pin hole 66a as the ventilation hole 70. Therefore, the scoring device 1 can generate air flow in the pin hole 66a, and can prevent the debris generated when the scribe line is formed from adhering to the pin shaft 50. In addition, the scoring device 1 passes the pin hole 66a When the air is exhausted or sucked, a force can be uniformly applied to the side surface 41 a of the scoring wheel 40.

In addition, when the scribe line is formed with the scoring wheel 40 inclined, a so-called fission phenomenon in which a crack is formed in a direction inclined with respect to the thickness direction of the substrate is about to occur. Furthermore, once fission occurs, the cut surface of the brittle material substrate 15 also becomes inclined, and it cannot be broken at a desired position. However, the holder unit 30 of this embodiment has a configuration in which a pin hole 66 a is used as the vent hole 70. Therefore, the holder unit 30 can uniformly apply a force to the side surface 41a of the scribe wheel 40 by exhausting or sucking air from the pin hole 66a, and can make the scribe wheel 40 stand upright. Therefore, the scoring device 1 can form a scribing line where fission is unlikely to occur.

[Embodiment 2]

Next, another embodiment will be described using drawings. Fig. 5 is an enlarged side view of a main portion of a holder lower portion 162 of the holder 160 constituting the holder unit of the second embodiment.

This holder unit has substantially the same configuration as the holder unit 30 of the first embodiment. Therefore, points different from the holder unit 30 will be described. In addition, about the same structure as Embodiment 1, it demonstrates using the same code | symbol.

In the structure of the holder unit 30 according to the first embodiment, the pin hole 66 a also serves as a vent hole 70 formed in the holder 60. On the other hand, in the holder unit of this embodiment, the pin holes 166a and the vent holes 170 formed in the holder lower portion 162 of the holder 160 are separately provided.

The pin hole 166a is formed in a cylindrical body 165a which is brazed to the holding portion 163a in the same manner as the pin hole 66a of the first embodiment. On the other hand, three ventilation holes 170 are formed at regular intervals around the pin holes 166a.

In addition, the side air passage 72 of the first embodiment is connected to the pin hole 66a and the screw Nail mounting holes 68 are formed on the outer side surface of the holding portion 63a. However, as shown in FIG. 5, the side air passage 172 of this embodiment is connected to the screw mounting hole 168 and the three air holes 170 by sculpting electrical discharge machining. This aspect is formed on the outer side surface of the holding portion 163a. A connection hole 173 is formed in the side air passage 172 to connect the air passage of the main body.

In the holder unit, a stopper (not shown) is mounted using a screw mounting hole 168 of the holder 160. The holder unit closes the pin hole 166a by the stopper and seals the surface of the side air passage 172, and can exhaust or suck air from the three air holes 170 through the air passage formed by the side air passage 172.

Therefore, the holder unit discharges air from the vent hole 170 formed in the holder 160, so that the side surface 41b of the scoring wheel 40 and the holding wall (not shown) of the holding portion on the opposite side to the holding portion 163a. The gap is zero, so that when the scribe line is formed, the scribe wheel 40 is restricted from moving along the pin 50. In addition, the scoring device provided with the holder unit can stabilize the formation position of the scribe line and form the scribe line to a desired position.

In addition, on the contrary, the holder unit draws air from the vent hole 170 to make the gap between the side surface 41a of the scoring wheel 40 and the holding wall on the side of the holding portion 163a zero, so that when the scribe line is formed, The scoring wheel 40 is restricted from moving along the pin shaft 50. In addition, the scoring device provided with the holder unit can stabilize the formation position of the scribe line and form the scribe line to a desired position.

The holder unit of the present embodiment is different from the vent hole 70 of the first embodiment in that the holder unit has a vent hole 170 in the holder 160 separately from the pin hole 166a. Therefore, it is difficult for the air flow through the vent hole 170 to affect the pin shaft 50. In addition, since it is designed separately from the pin hole 166a, the holder unit of this embodiment can freely form the vent hole 170. Number or position, shape. Therefore, the holder unit can use the vent hole 170 which is more suitable for exhausting or sucking air.

In addition, in the above-mentioned embodiment, for example, the vent hole 70 of the first embodiment is formed in the holding portion 63a among the pair of holding portions 63a, 63b. That is, the vent hole 70 is formed only on the holding portion 63a side, but the present invention may have a configuration in which the vent hole 70 is formed on both of the holding portions 63a and 63b. In this case, the side ventilation path 72 and the main body ventilation path 71 are connected to each other through the connection hole 73 on the holding portion 63b side.

In this way, the sides 41a, 41b of the scoring wheel 40 are exhausted or sucked from the vent holes 70 of the holding portions 63a, 63b from both sides of the holding portions 63a, 63b, thereby stably positioning the scoring wheel 40. It is located approximately at the center of the holding groove 64. In addition, since air flows are generated on both sides of the side surfaces 41 a and 41 b of the scoring wheel 40, it is difficult for debris to adhere to the surface of the scoring wheel 40 or the surface of the pin 50.

In addition, for example, the holder 60 of the first embodiment is configured to form a main body air passage 71 or a side air passage 72 and the like, and is provided with a ventilation path connected to the ventilation hole 70. Therefore, for example, the present invention may have a configuration in which the ventilation hole formed in the holder is not directly connected to the suction / exhaust portion 23 of the scoring device 1 by a tube 24 such as a tube, and no ventilation path is provided in the holder. .

Claims (9)

A holder includes a main body portion, a pair of holding portions formed below the main body portion, and pin holes that are coaxially formed on the holding portions, respectively, and are used to pass through the through holes penetrating through the scoring wheel and insert. A pin shaft passing through the pin hole holds the scoring wheel between the holding parts freely, and is characterized in that: the holding part is formed with the scoring wheel when holding the scoring wheel. A vent hole for discharging or attracting air at a position opposite to the side surface is formed only on one side of the pair of holding portions. For example, the holder of the scope of patent application, wherein the ventilation hole is connected to a side ventilation path formed on a side surface outside the holding part; the side ventilation path is connected to a main body ventilation path formed inside the main body part. . For example, if the holder of the scope of patent application No. 1 or 2, the pin hole is also the vent hole. A holder unit includes a scoring wheel, a pin penetrating through a through hole of the scoring wheel, and a holder, the holder having a main body portion, a pair formed under the main body portion, and holding the scoring wheel The holding portion and the pin holes, which are coaxially formed on the holding portion and are inserted through the pin shaft, are characterized in that the holding portion is formed with a position for discharging to a side opposite to a side surface of the scoring wheel. Or an air vent for attracting air is formed in only one of the pair of holding portions. For example, the holder unit of the fourth patent application range, wherein the ventilation hole is connected to a side ventilation path formed on the outer side surface of the holding part; the side ventilation path is connected to a main body ventilation path formed inside the main body part. connection. For example, the holder unit of the fourth or fifth aspect of the patent application, wherein the side surface ventilation path formed on the outer side surface of the holding portion is sealed by a stopper fixed to the outer side surface of the holding portion. For example, the holder unit of the fourth or fifth aspect of the patent application, wherein the pin hole is also the vent hole. A scoring device is characterized by having a holder in any one of the scope of claims 1 to 3 of the scope of patent application, and having an air suction and exhaust unit through which the air is exhausted or sucked. A scoring device comprising a holder unit according to any one of claims 4 to 7 of the scope of application for a patent, and a suction and exhaust unit for discharging or attracting air through the vent hole.