JP2009298570A - Positioning device of plate material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a positioning device of a plate material appropriate for precisely positioning a relatively small and thin plate. <P>SOLUTION: The positioning device of a plate material is equipped with a Y-direction positioning mechanism 1 for positioning the plate material in a Y-direction and an X-direction positioning mechanism 2 arranged orthogonally to the Y-direction positioning mechanism 1, for positioning the plate material in an X-direction. The Y-direction positioning mechanism 1 is provided with a pair of movable parts 11 mechanically connected with a common driving part 4 via a link mechanism 6 and moving close to and apart from each other at both sides of the plate material. The X-direction positioning mechanism 2 is provided with a pair of movable parts 21 mechanically connected with a common driving part 5 separated from the driving part 4 which is connected with the Y-direction positioning mechanism 1 via a link mechanism 7 separated from the link mechanism 6 which is connected with the Y-direction positioning mechanism 1 and moving close to and apart from each other at both sides of the plate material. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention belongs to a technical field related to a plate material positioning apparatus for positioning a relatively small and thin plate material that is subjected to processing such as polishing.

  A general plate material positioning device adopts a configuration in which a fixed portion and a movable portion are opposed to each other, and the plate material is pushed by the movable portion toward the fixed portion. However, in this configuration, it is impossible to position plate members of different sizes because the fixing portion is in the way, so that versatility corresponding to the trend of high-mix low-volume production cannot be obtained. For this reason, development of the positioning device of the board | plate material which enables positioning of the board | plate material from which a magnitude | size differs is requested | required.

2. Description of the Related Art Conventionally, as a plate material positioning device directed to enable positioning of plate materials having different sizes, for example, the following devices are known.
Japanese Utility Model Publication No. 1-102130

  In Patent Document 1, as shown in FIG. 9, the Y-direction positioning mechanism 1 in which the primary movable part 1a and the secondary movable part 1b are made to be relative to each other, and the primary movable part 2a and the secondary movable part 2b are made relatively to each other. A plate material positioning device including an X-direction positioning mechanism 2 disposed orthogonal to the Y-direction positioning mechanism 1 is described.

  As shown in FIG. 9A, the plate material positioning device according to Patent Document 1 starts positioning by conveying the plate material P between the Y direction positioning mechanism 1 and the X direction positioning mechanism 2. First, as shown in FIG. 9B, the primary movable portion 1a of the Y-direction positioning mechanism 1 is moved toward the plate material P, and a reference line a for positioning in the Y direction is set. Subsequently, as shown in FIG. 9C, the primary movable portion 2a of the X-direction positioning mechanism 2 is moved toward the plate material P, and a reference line b for positioning in the X direction is set. Thereafter, as shown in FIG. 9D, the secondary movable portion 1b of the Y-direction positioning mechanism 1 is moved toward the plate material P, and the plate material P is set to the reference line a. Push into the primary movable part 1a. Further, as shown in FIG. 9E, the secondary movable portion 2b of the X-direction positioning mechanism 2 is moved toward the plate material P, and the X-direction positioning mechanism 2 of the X-direction positioning mechanism 2 that sets the reference line b is set. Next, it is pushed into the movable part 2a.

  That is, according to the plate material positioning device according to Patent Document 1, by adjusting the movement amount of the primary movable portion 1a of the Y-direction positioning mechanism 1 and the movement amount of the primary movable portion 2a of the X-direction positioning mechanism 2, Since the reference lines a and b can be changed, the plate materials P having different sizes can be positioned.

  In the plate material positioning apparatus according to Patent Document 1, the primary movable portion 1a and secondary movable portion 1b of the Y-direction positioning mechanism 1 and the primary movable portion 2a and secondary movable portion 2b of the X-direction positioning mechanism 2 are separately provided. There is a problem that it is not suitable for precise positioning of a relatively small and thin plate material because it is individually moved by the drive unit and adjustment of the moving amount of each part for positioning is troublesome.

  The present invention has been made in consideration of such problems, and an object of the present invention is to provide a plate material positioning apparatus suitable for accurately positioning a relatively small and thin plate material.

  In order to solve the above-described problems, the plate material positioning apparatus according to the present invention employs means described in each of the claims.

  That is, in the plate material positioning apparatus according to the present invention, the Y direction positioning mechanism that positions the plate material in the Y direction, and the X direction positioning mechanism that is arranged orthogonal to the Y direction positioning mechanism and positions the plate material in the X direction. The Y-direction positioning mechanism includes a pair of movable portions that are mechanically connected to a common drive unit via a link mechanism and approach and separate on both sides of the plate material. Is mechanically connected to a common drive part separate from the drive part connected to the Y-direction positioning mechanism via a link mechanism separate from the link mechanism connected to the Y-direction positioning mechanism, and approaches on both sides of the plate material. It is characterized by comprising a pair of spaced apart movable parts.

  In this means, the pair of movable parts of the Y-direction positioning mechanism and the pair of movable parts of the X-direction positioning mechanism are respectively positioned by sandwiching the plate material from both sides by a common drive unit, thereby each part for positioning. It is easy to adjust the amount of movement.

  In the plate member positioning apparatus according to the present invention, the drive unit is positioned on the center line for positioning in the Y direction and the X direction, respectively, and the link mechanism has a symmetrical structure with the drive unit as the center.

  In this means, the movement amount is the same for positioning the pair of movable parts of the Y direction positioning mechanism and the pair of movable parts of the X direction positioning mechanism.

  In the plate material positioning apparatus according to the present invention, the drive unit is an air cylinder whose axis is disposed perpendicular to the center line for positioning in the Y direction and the X direction, and the link mechanism is connected to the cylinder rod of the air cylinder. And a cam plate for converting the operation of the driving pin and the movable portion of the Y-direction positioning mechanism into the approaching and separating operations of the movable portion of the X-direction positioning mechanism.

  In this means, the forward / backward movement of the cylinder rod of the air cylinder moves between the pair of movable parts of the Y direction positioning mechanism and the pair of movable parts of the X direction positioning mechanism via the drive pin and cam plate of the link mechanism. Is converted to

  In the plate material positioning apparatus according to the present invention, the Y-direction positioning mechanism is set to be operated prior to the X-direction positioning mechanism, and the movable portion is a roller type.

  In this means, since the movable part of the Y-direction positioning mechanism is a roller, movement of the plate material is permitted by the rolling of the movable part during positioning by the X-direction positioning mechanism, and the positioning stress applied to the plate material is attenuated. The

  The plate material positioning apparatus according to the present invention positions the pair of movable parts of the Y-direction positioning mechanism and the pair of movable parts of the X-direction positioning mechanism by sandwiching the plate material from both sides by a common drive unit. Since it is easy to adjust the amount of movement of each part for positioning, there is an effect suitable for precisely positioning a relatively small and thin plate material.

  Hereinafter, the best mode for carrying out a plate material positioning apparatus according to the present invention will be described with reference to FIGS.

  FIGS. 1-7 shows the 1st example of the best form for implementing the positioning apparatus of the board | plate material which concerns on this invention.

  In the first example, an object for a plate material P made of a small and thin glass plate constituting a liquid crystal display panel of a cellular phone is shown.

  As shown in FIG. 1, the first example includes Y-direction positioning mechanism 1, X-direction positioning mechanism 2, mounting table 3, driving units 4, 5, and link mechanisms 6 and 7.

  In the Y-direction positioning mechanism 1, the movable part 11 is attached to the bracket 13 via the support plate 12. The movable part 11 is attached to a support plate 12 so as to be rotatable about a shaft 11c, with a movable part main body 11a made of a roller-shaped synthetic resin material or the like covered with a U-shaped holder 11b. The support plate 12 is attached to the upper part of the bracket 13 with screws or the like so as to be L-shaped. As shown in detail in FIG. 6, the bracket 13 has two grooves 13b and 13c dug into a bracket body 13a which is a rectangular block body, and a contact plate 13d is attached to the one groove 13b side with screws 13e. It has become. The structure of the bracket 13 facilitates attachment to and replacement from the link mechanism 6 (rod 65).

  This Y-direction positioning mechanism 1 is provided with two sets of one pair.

  In the X-direction positioning mechanism 2, the movable portion 21 is attached to the bracket 23 via the support plate 22. The movable part 21 has a movable part main body 21a made of an elongated synthetic resin material or the like attached to the support plate 22 with screws 21b. The support plate 22 is attached to the upper part of the bracket 23 with screws or the like so as to be L-shaped. As shown in detail in FIG. 6, the bracket 23 is formed such that two grooves 23 b and 23 c are dug into a bracket body 23 a which is a rectangular block body, and a contact plate 23 d is attached to one groove 23 b side with screws 23 e. It has become. The structure of the bracket 23 facilitates attachment and replacement to the link mechanism 7 (rod 75).

  This X-direction positioning mechanism 2 is provided with a set of one pair.

  The mounting table 3 is a table on which the plate material P transported while being positioned between the Y-direction positioning mechanism 1 and the X-direction positioning mechanism 2 is mounted, and a mounting board 31 whose surface is an adsorption surface of the plate material P is provided. The screw is attached to the base 33 via the adjustment plate 32. The mounting board 31 has a vacuum port 31a for sucking the plate material P on the surface thereof, and a vacuum groove 31b for allowing the vacuum to act. The adjustment plate 32 is adjusted and attached by an adjustment screw (not shown) to the reference surface of the base 33, which is precision-finished with the mounting board 31 attached. The base 33 is provided with housing chambers 33a and 33b for housing the drive units 4, 5, and the link mechanisms 6 and 7 on the side surface of the block body, and communicates with the housing chambers 33a and 33b and is one of the link mechanisms 6 and 7. Through-holes 33e and 33f with sleeves 33c and 33d through which the portions (rods 65 and 75 described later) are inserted are provided so that the cover 33g is covered with the accommodation chambers 33a and 33b.

  The drive units 4 and 5 are air cylinders in which the cylinder main bodies 41 and 51 are fixed to the base 33 of the mounting table 3, and the cylinder rods 42 and 52 advance and retreat with respect to the accommodating chambers 33 a and 33 b of the base 33 of the mounting table 3. . The drive unit 4 that drives the Y-direction positioning mechanism 1 is common to the pair of configurations of the Y-direction positioning mechanism 1, and two units are positioned on the center line c for positioning in the Y direction, The cylinder rod 42 is advanced and retracted orthogonally. The driving unit 5 that drives the X-direction positioning mechanism 2 is common to a pair of configurations of the X-direction positioning mechanism 2, and one unit is positioned on the center line d for positioning in the X direction. The cylinder rod 52 is advanced and retracted orthogonally.

  As shown in detail in FIG. 4, the link mechanisms 6, 7 are opposed to the drive pins 61, 71 attached to the tip ends of the cylinder rods 42 of the drive units 4, 5 and the drive pins 61, 71. Two L-shaped cam plates 62, 63, 72, 73 to be engaged, support shafts 64, 74 for pivotally supporting the cam plates 62, 72 to the base 33 of the mounting table 3, and one end portion Two rods 65, 75 parallel to the above-mentioned center lines c, d having threaded portions formed on them, and driven pins 66 attached to the rods 65, 75 and engaged with the cam plates 62, 63, 72, 73. , 76 and disk-shaped nuts 67, 77 screwed into the threaded portions of the rods 65, 75. The cam plates 62, 63, 72, 73 are engaged with the driving pins 61, 71 and the driven pins 66, 76 at the tips of the L-shaped plate pieces 62 a, 62 b, 63 a, 63 b, 72 a, 72 b, 73 a, 73 b. 62c, 62d, 63c, 63d, 72c, 72d, 73c, and 73d are provided so as to be opened in a U-shape. The rods 65 and 75 are inserted into through holes 33e and 33f with sleeves 33c and 33d of the base 33 of the mounting table 3, penetrate the cover 33g, and are drawn out of the mounting table 3. One rod 65 connected to the drive unit 4 that drives the Y-direction positioning mechanism 1 is inserted into one groove 13b of the bracket 13 of the Y-direction positioning mechanism 1 at one end, and is fastened and fixed by a nut 67. The other end of the bracket 13 of the Y-direction positioning mechanism 1 is guided through the other groove 13c. The remaining rod 65 connected to the drive unit 4 that drives the Y-direction positioning mechanism 1 is inserted into one groove 13b of the bracket 13 of the Y-direction positioning mechanism 1 at the other end. The one end is inserted into the other groove 13c of the bracket 13 of the Y-direction positioning mechanism 1 and guided at one end. One rod 75 connected to the drive unit 5 that drives the X-direction positioning mechanism 2 is inserted into one groove 23b of the bracket 23 of the X-direction positioning mechanism 2 at one end, and is fastened and fixed by a nut 77. The other end of the bracket 23 of the X-direction positioning mechanism 2 is guided through the other groove 23c. The remaining rod 75 connected to the drive unit 5 that drives the X-direction positioning mechanism 2 is inserted into one groove 23b of the bracket 23 of the X-direction positioning mechanism 2 at the other end. The one end is inserted and guided in another groove 23c of the bracket 23 of the X-direction positioning mechanism 2.

  As for the link mechanisms 6 and 7, the link mechanism 6 connected to the Y-direction positioning mechanism 1 is arranged on the upper side, the link mechanism 7 connected to the X-direction positioning mechanism 2 is arranged on the lower side, It has a two-stage configuration that intersects.

  According to the first example, as shown in FIG. 7A, positioning is started when the conveyed plate material P is placed on the placing table 3.

  That is, as shown in FIG. 7B, the driving unit 4 is driven to bring the movable unit 11 of the Y-direction positioning mechanism 1 through the link mechanism 6, and the plate material P is pushed in from both sides. At this time, since the common drive unit 4 is positioned on the center line c for positioning in the Y direction and operates the link mechanism 6 having a symmetrical structure, the plate material P can be positioned precisely in the Y direction.

  Subsequently, as shown in FIG. 7C, the driving unit 5 is driven to bring the movable unit 21 of the X-direction positioning mechanism 2 through the link mechanism 7, and the plate material P is pushed in from both sides. At this time, since the common drive unit 5 is positioned on the center line d for positioning in the X direction to operate the link mechanism 7 having a symmetric structure, the plate material P can be accurately positioned in the X direction. Since the movable part main body 11a of the movable part 11 of the Y-direction positioning mechanism 1 has a roller shape, the plate material P is moved by the rolling of the movable part main body 11a of the movable part 11 during positioning by the X-direction positioning mechanism 1. Permissible. As a result, the positioning stress applied to the plate material P is attenuated, and unnecessary damage to the plate material P is prevented.

  Since the movement of the pair of movable parts 11 of the Y-direction positioning mechanism 1 and the pair of movable parts 21 of the X-direction positioning mechanism 2 is performed synchronously by the common drive parts 5 and 6, respectively. Compared to the individual driving of the plate material positioning apparatus according to 1, the movement amount of each part for positioning can be easily adjusted. As a result, the glass plate, which is a relatively small and thin plate material P, can be accurately positioned.

  FIG. 8 shows a second example of the best mode for carrying out the plate material positioning apparatus according to the present invention.

  In the second example, the movable portion main body 21a of the movable portion 21 of the X-direction positioning mechanism 2 is U-shaped. The U-shaped opening width e is ensured to be larger than the length f of the window hole H opened in the plate material P.

  According to the second example, it is possible to avoid the stress of pushing the movable portion main body 21a of the movable portion 21 of the X-direction positioning mechanism 2 in the window hole H opened in the plate material P, and unnecessary damage to the plate material P. Is prevented.

  As described above, in addition to the illustrated examples, the drive units 4 and 5 can be other devices.

  Further, the link mechanisms 6 and 7 can have other structures.

  The plate material positioning device according to the present invention can be used for objects other than the plate material P made of a glass plate. Further, it is not impossible to apply even a large and thick plate P.

BRIEF DESCRIPTION OF THE DRAWINGS It is a top view of the 1st example of the best form for implementing the positioning apparatus of the board | plate material which concerns on this invention. It is the sectional view on the AA line of FIG. It is the BB sectional view taken on the line of FIG. It is an expansion perspective view of the principal part of FIG. It is a figure which shows the operation | movement to which the principal part of FIG. 2 was expanded. It is a perspective view which shows the decomposition | disassembly state and assembly state of the other principal part of FIG. It is a figure which shows the positioning operation | movement of FIG. 1, and the order of operation is shown by (A)-(C). It is a top view of the principal part of the 2nd example of the best form for implementing the positioning apparatus of the board | plate material which concerns on this invention. It is a top view of the positioning apparatus of the board | plate material which concerns on patent document 1, and the order of operation is shown by (A)-(E).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Y direction positioning mechanism 2 X direction positioning mechanism 3 Mounting stand 4,5 Drive part 6,7 Link mechanism c, d Center line

Claims (4)

  In a Y-direction positioning device comprising a Y-direction positioning mechanism that positions a plate material in the Y-direction and an X-direction positioning mechanism that is arranged orthogonal to the Y-direction positioning mechanism and positions the plate material in the X-direction. The positioning mechanism includes a pair of movable parts that are mechanically connected to a common driving part via a link mechanism and approach and separate on both sides of the plate member. The X-direction positioning mechanism includes a driving part connected to the Y-direction positioning mechanism; Is provided with a pair of movable parts that are mechanically connected to a separate common drive part via a link mechanism separate from the link mechanism connected to the Y-direction positioning mechanism and approach and separate on both sides of the plate member. An apparatus for positioning a plate material.   2. The plate material positioning apparatus according to claim 1, wherein the drive unit is positioned on each of center lines for positioning in the Y direction and the X direction, and the link mechanism has a symmetrical structure with the drive unit as a center. .   3. The plate material positioning apparatus according to claim 2, wherein the drive unit is an air cylinder whose axis is disposed perpendicular to the center line for positioning in the Y direction and the X direction, and the link mechanism is a drive connected to a cylinder rod of the air cylinder. A plate material positioning apparatus comprising: a cam plate for converting the operation of a pin and a drive pin into an approaching and separating operation of a movable part of a Y-direction positioning mechanism and a movable part of an X-direction positioning mechanism.   4. The plate material positioning apparatus according to claim 1, wherein the Y-direction positioning mechanism is set to operate prior to the X-direction positioning mechanism, and the movable portion is a roller type. apparatus.

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