JP2012111600A - Turning conveying device - Google Patents

Abstract

To reduce the size and cost by simplifying the structure of the apparatus itself by turning the conveyance direction as the conveyance apparatus on which an article is placed travels without using an electric motor.
A rack gear (35) is moved by rolling a guide rotating body (43) relative to a guide member (17) as the traveling body (19) moves relative to a main body frame (9), thereby moving the pinion gear (35). 29) is rotated so that the conveying direction of the conveying device (11) can be changed at an angle corresponding to the mutual interval between the linear portions (17a, 17b) of the guide member (17).
[Selection] Figure 4

Description

  The present invention relates to a rotation conveyance device that changes a conveyance direction of an article to be conveyed at a desired angle.

  In order to change the conveyance direction of an article conveyed linearly, for example, as shown in FIG. 4 of Patent Document 1, a rotation conveyance device is arranged between conveyance devices arranged at a desired angle, and the rotation is performed. When an article is carried into one of the moving conveying devices from the one conveying device, the rotating conveying device is rotated at a desired angle and connected to the upper conveying direction of the other conveying device, and then the rotating conveying device. The article that has been placed by being conveyed is transferred to the other conveying apparatus to change the conveying direction of the article.

  The rotating and conveying apparatus shown in FIG. 4 of Patent Document 1 is electrically supported on a main body frame that is rotatably supported on a main body frame disposed between the conveying apparatuses and is provided on the main body frame with respect to a rotating disk on which a unit conveying member is provided. A motor is connected, and the rotating disk is rotated at an arbitrary angle by driving the electric motor to turn the article conveyance direction.

Then, the electric motor is driven so that the rotary plate is rotated so that the upper conveyance direction of the unit conveyance member is connected to the lower conveyance direction of the one conveyance device, and the one conveyance device and the unit conveyance member are respectively conveyed. After driving and transferring an article carried from one transport device onto the unit transport member, the electric motor is driven to move the rotating disk so that the lower transport direction of the unit transport member is the upper transport direction of the other transport device. After rotating to connect to the side, in the above state, the unit transport member and the other transport device are transported to transfer the article on the unit transport member onto the other transport device and transport the article. The direction is changing.

However, since the rotation conveyance device shown in Patent Document 1 has a structure in which a rotating disk is rotatably supported on a main body frame and a rotating shaft of an electric motor provided on the main body frame is connected to the rotating disk to rotate. However, the structure is complicated and large in size due to many parts, and there is a problem that the cost is increased.

JP 2005-350147 A

  The problem to be solved is a structure in which the rotating disk is rotatably supported on the main body frame, and the rotating shaft of the electric motor provided on the main body frame is connected to the rotating disk and rotated. The structure is complicated, the size is increased, and the cost is increased.

  The present invention provides a traveling body supported so as to reciprocate in the longitudinal direction on a main body frame, fixed to the main body frame, coincides with the longitudinal direction at both ends, and is predetermined in a direction perpendicular to the longitudinal direction. A guide member having a linear portion arranged at intervals of each other and an inclined portion continuous to each linear portion, a conveying device attached to the upper part of a rotating shaft rotatably supported on the traveling body, and A pinion gear attached to the lower portion of the rotating shaft, a rack gear supported so as to slide with respect to a linear guide provided on the lower surface of the traveling body and meshed with the pinion gear, and an intermediate portion rotating around the rack gear. A guide rotator that is rotatably supported at each end of the arm that is movably supported and rolls in contact with both side surfaces of the guide member. By rotating the guide rotator relative to the guide member, the rack gear is moved and the pinion gear is rotated so that the transport direction of the transport device can be changed at an angle corresponding to the mutual interval between the linear portions of the guide member. The most important feature.

  The present invention can reduce the size and cost by simplifying the structure of the apparatus itself by turning the conveyance direction as the conveyance apparatus on which the article is placed travels without using an electric motor.

It is an approximate body top view showing an outline of a conveyance system containing a rotation conveyance device. It is a disassembled perspective view of a rotation conveyance apparatus. It is a disassembled perspective view which shows a guide rotary body. It is explanatory drawing which shows the rotation state of the conveying apparatus by a rotation conveying apparatus.

  According to the present invention, as the traveling body moves with respect to the main body frame, the guide rotating body rolls with respect to the guide member to move the rack gear and rotate the pinion gear so that the transport direction of the transport device is the straight portion of the guide member. The best embodiment is that the angle can be changed at an angle corresponding to the mutual interval.

The present invention will be described below with reference to the drawings showing examples.
As shown in FIG. 1, the transport system 1 includes a carry-in transport device 3 that transports articles (not shown) in a straight line in a desired transport direction, and the above-described transport in the lower transport direction of the carry-in transport device 3 The rotational conveyance device 5 according to the present invention which is driven to convey in a direction orthogonal to the direction and turns the conveyance direction of the article by 90 degrees with respect to the carry-in side conveyance device 3, for example, and the conveyance of the rotational conveyance device 5 It is connected to the lower side of the direction, and is constituted by a carry-out side conveyance device 7 having a conveyance direction in a direction orthogonal to the conveyance direction of the carry-in side conveyance device 3.

  The carry-in side transfer device 3 and the carry-out side transfer device 7 are, for example, a belt conveyor type, a roller conveyor type, or a caterpillar type in which a large number of unit conveyors whose transfer distances coincide with the length of the article in the transfer direction are connected in a straight line . The carry-in side transport device 3 transports at least a detector provided on the lower side in the transport direction and an article detection signal from a detector (both not shown) provided on the upper side in the transport direction of the rotary transport device 5. By being driven, the article is conveyed in a free flow. In addition, the carry-out side conveyance device 7 is provided on the upper side in the conveyance direction of the carry-out side conveyance device 7 after being driven based on the article detection signal from the detector provided in the lower conveyance direction of the rotation conveyance device 5. When the signals of the detected detectors (none of which are shown) transition to the article non-detection state, the conveyance drive is interrupted.

  As shown in FIGS. 2 and 3, the main body frame 9 of the rotary conveyance device 5 has a unit conveyor whose length reaches at least the conveyance direction of the carry-in conveyance device 3 and the conveyance direction of the carry-out conveyance device 7 at least later. Rails 13 and 15 extending in the transport direction are provided at both ends in the transport orthogonal direction at least twice the length of 11 in the transport direction. Further, the main body frame 9 has an upper end in the transport direction positioned on one end side in the transport orthogonal direction and a lower end on the transport direction on the other end side in the transport orthogonal direction, and is linear in the transport direction. A guide member 17 having attached straight portions 17a and 17b extending and inclined portions 17c connected to the straight portions 17a and 17b is attached. The linear portions 17a and 17b in the guide member 17 are determined by the required rotation angle of the unit conveyor 11 with respect to each other, and hence the inclination of the inclined portion 17c.

  A traveling body 19 is supported on the rails 13 and 15 of the main body frame 9 so as to reciprocate in the transport direction. On the upper side and the lower side in the conveyance direction at both ends in the conveyance orthogonal direction of the traveling body 19, a traveling rotating body 21 that meshes with and rotates with the rails 13 and 15 is rotatably supported. An output shaft of an electric motor 23 fixed to the main body frame 9 is connected to the traveling rotating body 21 located on the upper side. The traveling body 19 travels back and forth between the upper and lower hands in the transport direction as the electric motor 23 is driven.

  A rotating shaft 25 is rotatably supported at the center of the traveling body 19 via a bearing 27, and a pinion gear 29 is fixed to the lower end portion of the rotating shaft 25. An attachment frame 31 is fixed to the upper end portion of the rotary shaft 25, and a unit conveyor 11 as a transport body is fixed to the attachment frame 31. The unit conveyor 11 is a caterpillar type conveyor whose length in the conveyance direction matches the length in the conveyance direction of the article to be conveyed. Of course, the unit conveyor 11 may be either a belt conveyor or a roller conveyor. Further, the unit conveyor 11 is not limited to the length of the article, one part of the conveyance length.

  A rack gear 35 that meshes with the pinion gear 29 and extends in a direction perpendicular to the inclination direction of the inclined portion 17 c is disposed on the lower surface of the traveling body 19. Is supported by the linear guide 37 fixed to the slidable direction in the direction perpendicular to the inclination. A base end portion of a support shaft 39 is fixed to a central portion in the longitudinal direction of the rack gear 35, and an intermediate portion of the two-arm arm 41 is rotatably supported on the lower portion of the support shaft 39. Each arm portion of the two-arm arm 41 is provided with a shaft portion 41a, and each shaft portion 41a is provided with an interval at which a guide roller 43 as a guide rotating body abuts against the opposite side surface of the guide member 17. It is pivotally supported.

Next, the turning and conveying operation of the article by the rotating and conveying device 5 configured as described above will be described.
First, in the rotation conveyance device 5, the traveling body 19 is moved to the upper side in the conveyance direction, and the unit conveyor 11 of the traveling body 19 is in a direction in which the conveyance direction coincides with the conveyance direction of the loading-side conveyance device 3. Waiting in a rotated state.

  When the article placed in accordance with the conveyance drive of the carry-in conveyance device 3 in the above state is conveyed to the lower side in the conveyance direction and the detector at the position is shifted to the article detection state, the rotation conveyance device 5 The unit conveyor 11 is conveyed and driven, and the article is transferred from the carry-in side conveyance device 5 to the unit conveyor 11. Then, the article transferred to the unit conveyor 11 is conveyed to the lower side in the conveying direction of the unit conveyor 11, the detector at the position is in the article detection state, and the detection of the carry-in side conveyance device 3 by the transfer of the article. When the container transitions to the article non-detection state, the conveyance drive of the carry-in side conveyance device 3 and the unit conveyor 11 is stopped.

Next, the electric motor 23 is driven in the above state, and the traveling body 19 is moved toward the lower side in the conveyance direction of the rotary conveyance device 5. When the pair of guide rollers 43 reaches the inclined portion 17c from the linear portion 17a of the guide member 17 by the movement of the traveling body 19, the rack gear 35 is moved in the direction of the arrow shown in the figure by the guide rollers 43 that roll with respect to the inclined portion 17c. Moved. Along with the movement of the rack gear 35, the rotary shaft 25 is rotated through the pinion gear 29 by an angle corresponding to the mutual interval between the straight portions 17a and 17b, in this example 90 degrees, and the unit conveyor 11 is rotated 90 degrees, It rotates to change the conveyance direction so as to coincide with the conveyance direction of the carry-out side conveyance device 7.

At this time, since the two-arm arm 41 is rotatably supported with respect to the support shaft 39, the two-arm arm 41 is inclined when the guide roller 43 in contact with the inclined portion 17c of the guide member 17 rolls. By rotating following the inclination of 17c, one guide roller 43 is prevented from excessively contacting the inclined portion 17c to become rolling resistance.

  When the traveling body 19 is moved downward in the transport direction of the rotational transport device 5 and a traveling body detection signal is output from the detector provided at this position, the unit conveyor 11 is driven in reverse and the unloading side transport device 7 is driven. The article placed on the unit conveyor 11 is transferred and transferred onto the carry-out side transfer device 7 to be carried out. (See Figure 4)

  In this embodiment, as the traveling body 19 moves, the guide roller 43 rolls along the inclined portion 17c, the rack gear 35 moves in the inclined orthogonal direction, and the rotary shaft 25 rotates by a required angle. The direction of the conveyor 11 can be changed at an angle corresponding to the mutual distance between the straight portions 17a and 17b in the guide member 17, and thus the amount of movement of the rack gear 35, and can be matched with the conveying direction of the carry-out side conveying device 7. The rotating mechanism can be simplified and downsized.

DESCRIPTION OF SYMBOLS 1 Conveyance system 3 Carrying-in side conveying apparatus 5 Rotating conveying apparatus 7 Unloading side conveying apparatus 9 Main body frame 11 Unit conveyors 13 and 15 as a conveying apparatus Rail 17 Guide members 17a and 17b Straight line part 17c Inclined part 19 Traveling body 21 Traveling rotating body 23 Electric motor 25 Rotating shaft 27 Bearing 29 Pinion gear 31 Mounting frame 35 Rack gear 37 Linear guide 39 Support shaft 41 Two-arm arm 41a Shaft portion 43 Guide roller as a guide rotating body

Claims (3)

A traveling body supported so as to reciprocate in the longitudinal direction on the main body frame;
A guide member that is fixed to the main body frame, has a linear portion that is aligned with the longitudinal direction at both ends, and is arranged at a predetermined interval in a direction orthogonal to the longitudinal direction, and an inclined portion that is continuous with each linear portion. When,
A transport device attached to the upper part of the rotating shaft rotatably supported by the traveling body;
A pinion gear attached to the lower part of the rotating shaft;
A rack gear supported so as to slide with respect to a linear guide provided on the lower surface of the traveling body and meshed with the pinion gear;
A guide rotator that is rotatably supported at each end of an arm that is rotatably supported by the rack gear, and abuts against both side surfaces of the guide member;
With
As the traveling body moves with respect to the main body frame, the rack rotator is moved by rolling the guide rotator with respect to the guide member to rotate the pinion gear so that the transport direction of the transport device becomes the mutual interval between the linear portions of the guide member. Rotating transfer device that can be changed at the corresponding angle. 2. The arm according to claim 1, wherein the arm is rotatably supported by a support shaft fixed to a part of the rack gear, and the guide rotator contacting the side surfaces of the guide member is rotatably supported at both ends. Rotating and conveying device provided with a shaft portion to perform. 2. The rotating and conveying apparatus according to claim 1, wherein the rack gear is supported so as to be movable in a direction orthogonal to the inclination direction of the inclined portion of the guide member.

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