JP2940515B2 - Attitude change device for conveyed goods - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for changing the attitude of a conveyed object, and more particularly to an apparatus for changing the attitude of a conveyed object suitable for changing the attitude of a fragile and large-area article such as a glass plate.

[0002]

2. Description of the Related Art Generally, in a factory or the like, an installation area of an apparatus is reduced in order to efficiently utilize a site area and efficiently perform production. In order to reduce the installation area of the apparatus, an attitude changing device that changes the storage attitude and the transport attitude of the transported object may be used.

A conventional attitude changing device is disclosed in, for example,
-97046. This posture changing device (transferring machine) is used to change the transport direction of a long plate-like transport object such as a lead frame used in manufacturing a semiconductor device from a horizontal state to a vertical state, or from a vertical state. It changes to a horizontal state, and has a gripping mechanism for gripping the long edge of the transported object, and a posture changing mechanism for changing the posture of the gripping mechanism. In the posture changing mechanism, a rotatable straight shaft arranged in the horizontal direction passes through the fixed bevel gear, and a rotating bevel gear is provided on a support shaft fixed at a right angle to the straight shaft,
A rotating bevel gear engages the fixed bevel gear and fixes the gripping mechanism.

[0004] When the straight axis is rotated by 90 °, the gripping mechanism for directly gripping the side edge of the conveyed material is changed between a vertical direction and a horizontal direction. Further, when the rotating bevel gear rotates 90 °, the conveyed object held by the holding mechanism is changed from the vertical posture to the horizontal posture. As described above, according to the conventional posture changing device, the posture of the conveyed object can be simultaneously changed in two directions by one driving unit.

[0005]

A conventional attitude changing device is configured to change the attitude of a gripping mechanism for directly holding a side edge of a conveyed object. Therefore, a large stress is applied to the portion of the conveyed object held by the gripping mechanism. In particular, if the conveyed object is made of a fragile substance such as glass with a large area, the conveyed object is directly gripped by the gripping mechanism, and the conveyed object may be damaged due to stress applied to the conveyed object. is there.

Further, as shown in FIG.
When the transported object 21 stored in a vertical state to 0 is transported to another storage unit 22, the position of the transported object 21 may shift due to the play of the transported object 21 due to play in the storage unit 21. is there. When the conveyed article 21 is pulled out of the storage section 20 in this displaced state, as shown in FIG. 8B, the conveyed article 21 may be caught at the entrance of another storage section 22, and the conveyed article 21 may be damaged. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and can store and transport a fragile and large-area article such as a glass plate while changing its posture without damaging it. An object of the present invention is to provide a device for changing a posture of a conveyed object.

[0008]

According to the present invention, there is provided an apparatus for changing a posture of a conveyed object, comprising: a holder moving member for moving a holder for holding the conveyed object in a tilted position in the tilted position; And a posture changing member that changes the posture between the inclined posture and the horizontal posture.

The holder has a clamp portion for holding the conveyed object, a claw member for engaging and disengaging the conveyed object with respect to the holder by opening and closing the clamp portion of the holder supported in a horizontal position by the posture changing member. May be. In that case, the holder
It is preferable to have an urging member for urging the clamp unit in a direction to clamp the conveyed object.

The apparatus for changing the posture of a conveyed object according to the present invention may include a conveying member for conveying the conveyed object separated from the holder supported in a horizontal posture by the posture changing member. In that case, the transport member preferably has a conveyor that can move up and down.

The angle of the tilted posture is preferably about 80 degrees.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view schematically showing a device for changing the posture of a conveyed object of the present invention, and FIG. 2 is a side view schematically showing a device for changing the posture of a conveyed object of the present invention.

As shown in FIG. 1, the attitude changing device A of the present invention is disposed between a storage device B on the upstream side (left side in the drawing) and various devices C on the downstream side (right side in the drawing). As shown in FIG. 2, a posture changing device A of the present invention supports a main body 1, a holder moving member 2 for moving a holder H for holding a conveyed object W in a tilted posture in a tilted posture, and a holder H. And a stage 3 for changing the holder H between a tilted posture and a horizontal posture.

The main body 1 is formed in a substantially L-shape,
a and the side part 1b. The main body 1 is guided by a first guide rail 4 provided below the bottom portion 1a, and is driven by a driving device such as a motor (not shown) in the Y direction (see FIG. 2).
Is sent to the pitch.

A holder 2a for holding the holder H is provided at the tip of the holder moving member 2. Also, the holder moving member 2
Is guided by a second guide rail 5 provided on an upper portion of the side surface portion 1b of the main body 1, and reciprocates in the X direction (see FIG. 1) by a driving device such as a motor (not shown).

The stage 3 is formed in a frame shape, and has an opening 3a in the center. The base end of the stage 3 is
Is rotatably supported by a bracket 1c provided on the side surface portion 1b. The distal end of the rod 6 a of the piston device 6 provided on the bottom 1 a of the main body 1 is attached to the bottom of the stage 3. Then, by expanding and contracting the rod 6a of the piston device 6, the stage 3 can be changed between the tilted posture and the horizontal posture.

FIG. 6 is a sectional view showing the stage in a state in which the holder is housed. As shown in FIG. 6, rollers 3 b for guiding the holder H are mounted inside the frame portions at both ends of the stage 3.

FIG. 4 is a side view showing the holder, and FIG. 5 is a sectional view showing the internal structure of the holder. As shown in FIG. 4, the holder H is provided with a frame portion 7, a mounting portion 8 provided in an opening formed in the center of the frame portion 7, and on which a transported object W is placed, and a holder H protruding from the periphery of the opening portion. It has a plurality of support pins 9 that support the outer periphery of the transported object W, and a pair of clamp portions 10 and 10 that are engaged with and sandwiched two opposing sides of the transported object W. As shown in FIG. 5, the lower portion of the clamp portion 10 is urged by a spring 11 attached to the frame portion 7 in a direction (inward direction) for holding the conveyed object W. In FIG. 5, reference numeral 12 denotes a guide bar for guiding the movement of the clamp unit 10.

FIG. 3 is a front view showing the storage device B.
As shown in FIG. 3, the storage device B is formed in a cylindrical shape, and both ends are opened to carry in and out the holders H, and support the plurality of holders H between the top plate 13 and the bottom plate 14. . Also, the top plate 13 and the bottom plate 1 are arranged so that the holder H can be easily transported.
A plurality of rollers 13a and 14a are arranged inside the first and second rollers 4a and 4b, respectively. The upper and lower rollers 13a and 14a are arranged at corresponding positions so that the holder H can be held in a posture inclined at 80 °.

The posture changing device A of the present invention also includes a stage 3
Has two claw members 15 for engaging and disengaging the article W with respect to the holder H supported in a horizontal posture, and a conveying member 16 for conveying the article W to the various devices C side.

The claw member 15 is provided at a predetermined interval on the bottom surface 1a of the main body 1 and has a claw portion 15a which moves in the horizontal direction by contacting the clamp portion 10 provided on the holder H.

The transport member 16 is provided on the bottom surface 1 a of the main body 1 and is disposed between the claw members 15. Transport member 16
Has a conveyor 16a that can be moved up and down,
Can be separated from the holder H.

Next, the operation of the attitude changing device A of the present invention will be described. The holder moving member 2 of the posture changing device A includes:
The stage 3 is waiting at a predetermined position, and the stage 3 is in a state of being tilted at approximately 80 °. On the other hand, the holder H in the storage device B is stored in a state where the transported object W is positioned by the support pins 9 and is clamped by the clamp unit 10.

Next, the holder moving member 2 is moved to the storage device B side, and the holder H holding the transported object W in the storage device B is gripped.

Next, the holder moving member 2 pulls out the holder H and moves while being guided by the second guide rail 5.

When the holder H moves to a position where it overlaps with the stage 3 in a tilted posture, the holder moving member 2 releases the holder H, and the holder H is transferred onto the stage 3.

Next, the rod 6a of the piston device 6 is shortened, whereby the stage 3 rotates around the base end of the stage 3 as a fulcrum, as shown by a dotted line in FIG. change.

When the stage 3 is in the horizontal posture,
As shown in (A), the claw portion 15a of the claw member 15 contacts the lower side of the clamp portion 10 of the holder H.

Next, as shown in FIG. 7B, by opening the claw portions 15a of the claw members 15 to both sides, the clamp portion 10 of the holder H is opened, and the engaged state of the holder H with the transported object W is released. I do. On the other hand, the conveyor 16 of the transport member 16
a rises to support the lower part of the transported object W and separate the transported object W from the holder H.

Next, the conveyor 16a of the conveying member 16 is driven to convey the separated conveyed articles W to the various apparatuses C on the downstream side.

Next, after lowering the conveyor 16a of the conveying member 16, the rod 6a of the piston device 6 is extended, and the holder H is again tilted. Then, the holder H moves into the storage device B while being held by the holder moving member 2, and returns to the original position.

Thereafter, the main body 1 is pitch-fed in the Y direction, and the holder moving member 2 grips the adjacent holder H,
The above operation is repeated.

According to the present invention, since the transported object W is transported while being held by the holder H, no stress is applied to the transported object W itself even if the posture is changed. Therefore, even if the transported object W is made of a fragile substance such as glass, breakage can be prevented.

Further, since the transported object W can be stored vertically in an inclined posture, the installation area can be reduced.

Further, since the transported object W is stored and transported in a tilted posture, it is possible to prevent dust from adhering to the transported object W. Therefore, in the case of a product in which the transported object W is required to have transparency, such as a glass plate, the operation of cleaning dust can be eliminated.

Further, since the transported object W can be stored in a tilted posture, even if there is play in the storage section, the position of the holder H is not shifted because it follows one side. It will not be caught at the doorway.

The present invention is not limited to the above embodiment, and various changes can be made within the scope of the technical matters described in the claims. For example, the shape, arrangement, internal structure, and the like of the transported object W, the holder H, the main body 1, the holder moving member 2, the stage 3, the claw member 15, the transport member 16, and the like are not limited to those described in the specification, and may be appropriately changed. Can be changed.

Further, the attitude changing device A of the present invention may be used for holding the transported object W transported from the various devices C side in the holder H and storing it in the storage device B.

[0039]

According to the present invention, the following excellent effects can be obtained. (1) Since the transported object is held and transported by the holder, no stress is applied to the transported object itself even if the posture is changed. Therefore, even if the transported object is made of a fragile substance such as glass, it can be prevented from being damaged. (2) Since the transported object can be stored vertically in an inclined posture, the installation area can be reduced. (3) Since the transported object is stored and transported in a tilted posture, dust can be prevented from adhering to the transported object. Therefore, in the case of a product that requires a sense of transparency, such as a glass plate, the operation of cleaning dust can be eliminated. (4) Since the transported object can be stored in a tilted posture, even if there is play in the storage unit, it follows one side, so that the position of the holder does not shift, and the holder is caught at the entrance of the storage unit. Disappears.

[Brief description of the drawings]

FIG. 1 is a front view schematically showing an apparatus for changing a posture of a conveyed object according to the present invention.

FIG. 2 is a side view schematically showing a device for changing a posture of a conveyed object according to the present invention.

FIG. 3 is a side view showing the storage device.

FIG. 4 is a front view showing a holder.

FIG. 5 is a sectional view showing the internal structure of the holder.

FIG. 6 is a sectional view showing the stage in a state in which the holder is stored.

FIG. 7A is a cross-sectional view showing a state in which a stage containing a holder is moved to a horizontal position, and FIG. 7B is a cross-sectional view showing a state in which a conveyed object is separated from a holder by raising a conveyor. .

FIG. 8 is an explanatory view showing a case where a conveyed object vertically stored in a storage unit is transferred to another storage unit.

[Explanation of symbols]

 A: Posture changing device B: Storage device C: Various devices H: Holder W: Conveyed object 1: Main body 2: Holder moving member 3: Stage 4: First guide rail 5: Second guide rail 6: Piston device 7: Frame Part 8: Placement part 9: Support pin 10: Clamp part 11: Spring 12: Guide bar 15: Claw member 16: Transport member 16a: Conveyor

Claims (6)

(57) [Claims] 1. A holder moving member for moving a holder for holding a conveyed object in a tilted state, a stage for supporting the holder, and a moving means for moving the stage between a tilted posture and a horizontal posture. A posture changing device for a conveyed object, comprising: a posture changing member. 2. The apparatus according to claim 1, wherein the holder has a clamp portion for holding the conveyed object, and opens and closes a clamp portion of the holder supported in a horizontal posture by the posture changing member, and engages and disengages the conveyed object with the holder. The posture changing device for a conveyed object according to claim 1, further comprising a claw member that performs the operation. 3. The apparatus according to claim 2, wherein the holder has an urging member for urging the clamp portion in a direction to clamp the conveyed object. 4. The transported object according to claim 1, further comprising a transporting member that transports the transported material separated from a holder supported in a horizontal posture by the posture changing member. Posture changing device. 5. The apparatus according to claim 4, wherein the transport member has a conveyor that can move up and down. 6. The apparatus according to claim 1, wherein the angle of the tilted posture is approximately 80 degrees.