JP2010155690A - Direction changing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a direction changing device capable of properly changing the direction of an article. <P>SOLUTION: This direction changing device 1 has a support 31, a pair of front-rear direction changing rotary bodies 61 and four rotary body groups 81, 82, 83 and 84. The respective rotary body groups 81, 82, 83 and 84 have a plurality of longitudinally moving rotary bodies 86 capable of moving the article in the longitudinal direction and a plurality of laterally moving rotary bodies 87 capable of moving the article in the lateral direction. The article rotates around the support 31 by driving rotation of a direction changing rotary body 61, any one driving rotation of the longitudinally moving rotary body 86 and the laterally moving rotary body 87 of first and third rotary body groups 81 and 83 and any other driving rotation of the longitudinally moving rotary body 86 and the laterally moving rotary body 87 of second and fourth rotary body groups 82 and 84. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a direction changing device that can appropriately change the direction of an article.

  Conventionally, for example, a direction changing apparatus described in Patent Document 1 below is known.

This direction changing device includes a support that supports an article, four front and rear, right and left rotating bodies positioned on a virtual circle centered on the support, and a plurality of front and rear movements that can move the article in the front and rear direction. A rotating body, a plurality of left and right moving rotating bodies capable of moving an article in the left-right direction, and a plurality of ball-shaped rotating bodies positioned side by side in the front-rear and left-right directions are provided. In this direction changing device, the article supported by the support rotates around the support only by the driving rotation of the direction changing rotary body and changes its direction.
JP-A-5-306016

  However, in the configuration in which the article is rotated only by the driving rotation of the direction changing rotator as in the above conventional direction changing device, for example, depending on the shape of the lower surface of the article, the rotational force is successfully applied from the direction changing rotator to the lower surface of the article. There is a risk that the direction change of the article will be insufficient.

  This invention is made | formed in view of such a point, and it aims at providing the direction change apparatus which can change the direction of goods appropriately.

  The direction changing device according to claim 1 is a support body for supporting an article, a rotating body for direction change located on a virtual circle centered on the support body, and a first position located in a front left region of the support body. A first rotating body group, a second rotating body group located in a front right area of the support, a third rotating body group located in a rear right area of the support, and a rear left area of the support Each of the rotating body groups includes a plurality of forward / backward moving rotating bodies capable of moving the article in the front / rear direction and a plurality of left / right moving rotations capable of moving the article in the left / right direction. And an article supported by the support, the rotation of the rotating body for changing direction, the rotating body for back-and-forth movement in at least one rotating body group of the four rotating body groups, and the right and left Centering on the support by driving rotation of at least one of the moving rotators It is intended to transfer.

  The direction changing device according to claim 2 is the direction changing device according to claim 1, wherein the article supported by the support is driven and rotated by the direction changing rotating body and the front and rear in the first and third rotating body groups. The driving rotation of one of the moving rotator and the left / right moving rotator and the driving rotation of the other of the front / rear moving rotator and the left / right moving rotator in the second and fourth rotators are described above. It rotates around the support.

  According to a third aspect of the present invention, in the direction changing device according to the first or second aspect, the support and the rotating body for changing the direction can be moved toward and away from the article by vertical movement.

  The direction changing device according to claim 4 is the direction changing device according to any one of claims 1 to 3, wherein the direction changing rotating body includes a position between the first rotating body group and the second rotating body group and a third position. It is provided at a position between the rotating body group and the fourth rotating body group.

  The direction changing device according to claim 5 is the direction changing device according to any one of claims 1 to 4, wherein the forward and backward moving rotator and the left and right moving rotator are driven and rotated by a roller body, and the roller body. It has a plurality of free rollers rotatably provided on the outer peripheral side.

  According to the first aspect of the invention, the article is at least one of the driving rotation of the rotating body for direction change and the forward / backward moving rotating body and the left / right moving rotating body in at least one of the four rotating body groups. Since the structure rotates around the support by one driving rotation, the direction of the article can be appropriately changed.

  According to the second aspect of the present invention, the article is driven by the rotation of the rotating body for changing direction, the driving rotation of either the front-rear moving rotating body or the right-and-left moving rotating body in the first and third rotating body groups, and the first rotation. 2. The article can be turned more appropriately because it is configured to rotate around the support body by the drive rotation of either the forward / backward moving rotating body or the left / right moving rotating body in the fourth rotating body group.

  According to the invention which concerns on Claim 3, the movement of the articles | goods by a rotary body group can be made appropriate by moving down a support body and the rotating body for direction change, and separating from a goods.

  According to the fourth aspect of the invention, the direction changing rotary body is easily provided at the position between the first rotary body group and the second rotary body group and the position between the third rotary body group and the fourth rotary body group. be able to.

  According to the invention according to claim 5, since it has a roller body on which the front and rear moving rotator and the left and right moving rotator are driven and rotated, and a plurality of free rollers rotatably provided on the outer peripheral side of the roller body, The article can be turned appropriately and smoothly.

  An embodiment of the direction changing apparatus of the present invention will be described with reference to the drawings.

  1 to 4, reference numeral 1 denotes a direction changing device. The direction changing device 1 is an airport cargo work station (air cargo handling device) installed in an airport, for example. The direction changing apparatus 1 can move and change the direction of an article W, which is a substantially rectangular parallelepiped box-shaped container carried by an aircraft, in a horizontal direction (front and rear, left and right directions) and a vertical direction.

  The direction changing device 1 includes a base body 4 provided on a first floor surface 3 that is a horizontal article carrying-in / out surface. The base body 4 is a substantially quadrangular frame, that is, a substantially square frame, for example. An elevating frame body 5 is provided so as to be movable up and down via an elevating drive means 6.

  As shown in FIG. 3, the elevating drive means 6 includes a plurality of pivot links 8 that are connected to each other around a shaft 7 and that can pivot up and down, and that the plurality of pivot links 8 are rotated up and down around the shaft 7. It has a hydraulic cylinder 9 which is a driving means to be moved. A lower end portion of each rotation link 8 is pivotally attached to the base body 4 via a shaft 10, and an upper end portion is pivotally attached to the elevating frame body 5 via a shaft 11.

  And the raising / lowering frame body 5 which is a loading platform will be in the state located in the lower position shown in FIG. 2, and the state located in the upper position shown in FIG. 3 based on the action | operation of the raising / lowering drive means 6. FIG.

  In the state shown in FIG. 2, the upper surface of the elevating frame body 5 is positioned at substantially the same height as the upper end of the transfer roller 13 made of a free roller. The transfer roller is provided on the upper portion of the roller support portion 14 so as to be rotatable around a shaft 15 in the front-rear direction. The transfer roller 13 may be a driving roller that rotates by receiving power from a driving means such as a motor. In the state shown in FIG. 3, the upper surface of the elevating frame body 5 is positioned at substantially the same height as the second floor surface 16 that is a horizontal work surface higher than the first floor surface 3. As shown in FIG. 1, the transfer roller 13 is located on the left side of the lifting frame body 5 in the plan view, and the second floor 16 is located on the right side and front and rear of the lifting frame body 5. .

  The elevating frame body 5 includes, for example, a substantially square and plate-shaped frame main body 21, a plurality of longitudinal first longitudinal frames 22 provided in the frame main body 21, and a plurality of adjacent first frames 22. It is composed of the second frame 23 and the like.

  A support 31 such as a rotatable support fulcrum that supports the lower surface of the central portion of the article W in plan view is provided at the approximate center of the lifting frame body 5. That is, for example, a support means 32 having a support body 31 that can be driven and rotated about an axis in the vertical direction is provided at substantially the center of the elevating frame body 5.

  As shown in FIGS. 5 to 7, the support means 32 is provided so as to be movable up and down along a guide bar 34 in the vertical direction, and a base 33 fixed substantially at the center of the elevating frame body 5. It has a movable body 35 and a hydraulic cylinder 36 that is provided on the base 33 and is a driving means for moving the movable body 35 up and down.

  The movable body 35 has a vertical shaft portion 39 that is inserted into a shaft insertion hole 37 of the base body 33 through a substantially cylindrical slide bush 38 so as to be movable up and down. A longitudinal slot 40 is formed. At the upper end portion of the shaft portion 39, a holding portion 42 is provided for holding the support 31 via a substantially cylindrical slide bush 41 so as to be rotatable about an axis in the vertical direction. A spring receiving portion 43 is provided at the lower end portion of the shaft portion 39, a shaft insertion hole 44 is formed in the spring receiving portion 43, and the guide rod 34 is inserted into the shaft insertion hole 44. A coil spring 46 that is a compression spring is provided between the spring receiving portion 43 of the movable body 35 and the spring receiving portion 45 of the base body 33 as an urging means for urging the movable body 35 upward. ing. The upper end of the coil spring 46 is in contact with the spring receiving portion 43 of the movable body 35, and the lower end of the coil spring 46 is in contact with the spring receiving portion 45 of the base 33.

  The hydraulic cylinder 36 has a cylinder main body 47, a rod part 48 that goes in and out of the cylinder main body part 47, and an insertion shaft part 49 provided at the upper end of the rod part 48. The portion 49 is inserted through the long hole 40 of the movable body 35.

  The support 31 includes a support plate 51 that is a substantially circular plate-like horizontal support located along the horizontal plane, and a substantially cylindrical shaft that protrudes downward from a substantially center of the support plate 51. The protrusion 52 is held by the holding portion 42 of the movable body 35 so as to be rotatable.

  The support 31 moves up and down with the movable body 35 with respect to the base 33 based on the expansion and contraction operation of the hydraulic cylinder 36. That is, the support 31 can be brought into and out of contact with the lower surface of the article W by moving up and down with respect to the lifting frame 5.

  In the state indicated by the solid line in FIG. 6 (the state without the article W), the insertion shaft portion 49 of the hydraulic cylinder 36 abuts on the lower end of the long hole 40 by the biasing force of the coil spring 46, and the support 31 has a predetermined upper limit. In this state, the support 31 is attached to the coil spring 46 until the insertion shaft portion 49 comes into contact with the upper end of the elongated hole 40. Can move down against power. When the hydraulic cylinder 36 is contracted, the support 31 is moved down together with the movable body 35 with respect to the base body 33 and is in a retracted state as shown by a two-dot chain line in FIG.

  Further, in the vicinity of the center of the lifting frame 5, forward / reverse drive rotation is possible (drive rotation in the left-right direction) that rotates (changes direction) the article W whose center lower surface is supported by the support 31 around the support 31. A plurality of, for example, a pair of front and rear two turn-changing rotating bodies 61 such as driving tires for turning, and the two turn-changing rotating bodies 61 are arranged on a virtual circle centered on the support 31. positioned. That is, for example, at two locations near the center of the elevating frame body 5, there are provided direction changing means 62 having direction changing rotary bodies 61 that can be driven and rotated in different directions around a horizontal axis in the front-rear direction. Yes. The direction of rotation of the direction changing rotator 61 is substantially the same as a tangent to a virtual circle centered on the support 31 in plan view.

  As shown in FIGS. 8 to 10, the direction changing means 62 is movable up and down with respect to the base 63 fixed to the elevating frame body 5 and the base 63, that is, for example, up and down around the axis 64 in the front-rear direction. And a hydraulic cylinder 66 that is a driving means that is provided on the base 63 and rotates up and down around the shaft 64. Both ends of the shaft 64 that is a fulcrum shaft of the movable body 65 are rotatably held by bearings 67 of the base 63.

  The hydraulic cylinder 66 includes a cylinder main body 68, a rod 69 that enters and exits into the cylinder main body 68, and a connecting plate 70 that is a connecting portion such as a link plate provided at the tip of the rod 69. And have. One end portion of the connecting plate portion 70 is rotatably attached to the mounting plate portion 72 of the movable body 65 via the shaft 71, and the other end portion of the connecting plate portion 70 is connected to the distal end portion of the rod portion 69 via the shaft 73. The shaft 73 is rotatably mounted, and both ends of the shaft 73 are rotatably held by a guide bearing portion 75 that is a guide bearing that can slide along the guide portion 74 of the base 63.

  The movable body 65 is provided with a drive motor (hydraulic motor, electric motor, etc.) 77 that is a drive means for rotating the direction changing rotary body 61. The drive motor 77 has a motor main body 78 and a drive rotary shaft 79 protruding from the side surface of the motor main body 78. The drive rotary shaft 79 has a substantially circular plate-shaped rotating body 61 for changing the direction. The direction changing rotary body 61 is driven to rotate together with the drive rotary shaft 79 when the drive motor 77 is operated. The outer peripheral surface of the rotating body for direction change 61 is formed in a substantially arcuate surface shape so that the center in the width direction is convex outward in the radial direction.

  The direction changing rotator 61 rotates up and down around the shaft 64 together with the movable body 65 and the drive motor 77 with respect to the base 63 based on the expansion and contraction operation of the hydraulic cylinder 66. That is, the rotating body 61 for changing direction can be brought into contact with and separated from the lower surface of the article W by the vertical movement with respect to the lifting frame body 5 like the support body 31.

  In the state indicated by the solid line in FIG. 10 (the state without the article W), the movable body 65 is in a horizontal posture and the direction changing rotator 61 is at a predetermined upper limit position (that is, the upper end of the direction changing rotator 61 is the wheel upper end position). (Position projecting further upward). Then, when the hydraulic cylinder 66 is contracted, the direction changing rotary body moves downward together with the movable body 65 and the drive motor 77 with respect to the base body 63 and enters a retracted state as shown by a two-dot chain line in FIG.

  Further, the elevating frame body 5 includes a plurality of rotating body groups that transport the article W by moving it in the front-rear direction and the left-right direction, that is, for example, a first rotating body group 81, a second rotating body group 82, and a third rotating body group. 83 and a fourth rotating body group 84 are provided. The first rotating body group 81 is located in the front left region (first block) of the support 31, and the second rotating body group 82 is located in the front right region (second block) of the support 31. The rotating body group 83 is located in the rear right area (third block) of the support 31, and the fourth rotating body group 84 is located in the rear left area (fourth block) of the support 31. That is, for example, the first rotating body group 81 is provided on the front left side of the lifting frame body 5, the second rotating body group 82 is provided on the front right side of the lifting frame body 5, and the third rotating body group 83 is the lifting frame. The fourth rotating body group 84 is provided on the rear left side of the lifting frame body 5, and the front direction rotating body 61 is provided with the first rotating body group 81 and the second rotating body group 82. The rear direction changing rotating body 61 is provided at a position between the third rotating body group 83 and the fourth rotating body group 84.

  Each of the rotating body groups 81, 82, 83, 84 has a plurality of forward / backward movements that can be rotated forward / reversely (driven and rotated in the front-rear direction) to drive and rotate the article W in the front-rear direction by driving and rotating about the horizontal axis. Rotation body 86 and a plurality of left and right movement rotation bodies 87 that can be driven to rotate about the axis in the front-rear direction to move the article W in the left-right direction and can be rotated in the forward / reverse direction (driveable in the left-right direction). is doing.

  The forward / backward moving rotator 86 is arranged in a matrix in a plan view within a predetermined area, for example, 7 rows and 3 columns, and the left / right moving rotator 87 is a matrix in a predetermined area in a plan view, for example, 7 rows by 4 columns. A forward and backward moving rotator 86 is disposed between the left and right moving rotators 87 arranged in the left and right direction.

  The front / rear rotating body group 86a is composed of a plurality of (for example, 21) front / rear moving rotary bodies 86 that can move the article W in the front-rear direction, that is, can be transported in the front-rear direction. A left and right rotating body group 87a is configured by a plurality (for example, 28) of right and left moving rotating bodies 87.

  Further, each of the rotating body groups 81, 82, 83, 84 is configured to be individually driven and rotated. That is, for example, in each of the rotating body groups 81, 82, 83, 84, driving motors (hydraulic motors, electric motors, etc.) 88, 89 which are driving means corresponding to each of the front / rear rotating body group 86a and the left / right rotating body group 87a are provided. Each is provided. That is, each of the longitudinally moving rotators 86a of the longitudinally rotating body group 86a receives the power from the longitudinally driving motor 88 via the power transmission means and is driven to rotate at the same time. 87 receives the power from the left and right drive motor 89 through the power transmission means, and simultaneously rotates. The drive motors 77, 88, 89 and the hydraulic cylinders 9, 36, 66, etc. are electrically connected to control means (not shown) and controlled by this control means.

  Here, each of the forward and backward moving rotators 86 and each of the left and right moving rotators 87 is the same, and is configured by, for example, a wheel 90 that is a drive wheel as a substantially spherical omnidirectional wheel. .

  Each wheel 90 is not movable up and down with respect to the lifting frame body 5 and is disposed at the same height, and the upper end of each wheel 90 always protrudes slightly above the upper surface position of the lifting frame body 5. The upper end and the upper surface of the elevating frame body 5 are always located at substantially the same height.

  As shown in FIG. 11, the wheel 90 includes a roller main body 91 that is driven to rotate about an axis in the horizontal direction, and an axis along the direction orthogonal to the axis of rotation of the roller main body 91 on the outer peripheral side of the roller main body 91. A plurality of, for example, eight free rollers 92 are provided so as to be rotatable about 93. A shaft insertion hole 94 is formed in the central portion of the roller body 91, and a drive rotation shaft portion (not shown) of the power transmission means is inserted and fixed in the shaft insertion hole 94. The roller body 91 is coupled with the drive rotation shaft portion. Drive and rotate. Further, a substantially cylindrical transport surface 95 is formed on the outer peripheral surface of the roller body 91, and the outer peripheral surface of each free roller 92 is formed in an arc shape along the transport surface 95.

  As shown in FIG. 2, the direction changing device 1 includes mass detection means 99 such as a measuring instrument for detecting the mass of the article W. The mass detection means 99 includes, for example, the first floor surface 3 and the elevation drive means. 6 is provided.

  Next, the operation etc. of the direction change apparatus 1 are demonstrated with reference to drawings.

  First, as shown in FIG. 2, the lifting frame 5 is lowered by a predetermined amount by the operation of the lifting drive means 6 to be positioned at the lower position, and the wheels of the rotating body groups 81, 82, 83, 84 (rotating bodies for forward / backward movement). 86, left and right rotating body 87) The upper end of 90 and the upper end of transfer roller 13 are set to substantially the same height. At this time, the support 31 and the direction changing rotator 61 are positioned below the upper end position of each wheel 90 in the retracted state.

  In this state, the left / right moving rotators 87 of the left / right rotator groups 87a of the four rotator groups 81, 82, 83, 84 are driven to rotate in the right direction. Then, the article W carried by the cart 100 traveling on the first floor surface 3 moves to the right as shown in FIG. 12, and moves on the transfer roller 13 from the placement surface 101 of the cart 100. After that, it is transferred onto and carried in the rotating body group 81, 82, 83, 84, and the lower surface of the article W is supported from below by the wheel 90 of the rotating body group 81, 82, 83, 84.

  For example, when the article presence / absence detecting means such as a photoelectric sensor arranged at a predetermined position detects the article W, the driving rotation of the left and right rotating body group 87a is stopped. That is, the control means appropriately controls driving and stopping of the drive motors 77, 88, 89, etc., based on a detection signal from an article presence / absence detection means such as a photoelectric sensor (not shown). Note that, for example, only when the direction of the article W is changed, the drive motors 77, 88, 89, etc. may be manually controlled based on an operation signal from the operation means operated by the operator.

  Next, as shown in FIG. 3, the lifting frame body 5 is raised by a predetermined amount by the operation of the lifting drive means 6 to be positioned at the upper position, and the upper end of the wheel 90 of the rotating body group 81, 82, 83, 84 and the 2 Set the floor 16 to approximately the same height.

  In this state, each of the front and rear moving rotators 86 of the front and rear rotator group 86a of the four rotator groups 81, 82, 83, and 84 is driven to rotate backward. Then, the article W moves rearward as shown in FIG. 13, and the center in the front-rear direction, which is the short direction of the article W, substantially coincides with the center in the front-rear direction of the lifting frame body 5.

  Next, the left / right moving rotators 87 of the left / right rotator groups 87a of the four rotator groups 81, 82, 83, 84 are driven to rotate in the right direction. Then, the article W moves rightward as shown in FIG. 14, and the center in the left-right direction, which is the longitudinal direction of the article W, and the center in the left-right direction of the elevating frame body 5 substantially coincide. In this way, the article W is centered at a predetermined position, and the center part in a plan view is in a state located above the support 31.

  Next, as shown in FIG. 15, the support 31 is moved upward by the operation of the hydraulic cylinder 36, and is pressed against the lower surface of the central portion of the article W, and the lower surface of the article W is supported by the support plate portion 51 from below. . At the same time, the two direction changing rotators 61 are moved upward by the operation of the hydraulic cylinder 66 and are pressed against the lower surface of the article W. At this time, the wheels (rotating body 86 for moving back and forth, rotating body 87 for moving left and right) 90 of the rotating body group 81, 82, 83, 84 remain in contact with the lower surface of the article W.

  Next, the front direction changing rotating body 61 is driven to rotate leftward, and the rear direction changing rotating body 61 is driven to rotate rightward at the same speed as the front direction changing rotating body 61.

  At the same time, the left and right moving rotating bodies 87 of the left and right rotating body group 87a of the first rotating body group 81 are driven to rotate in the same left direction as the front direction changing rotating body 61, and the third rotating body group 83 is rotated left and right. Each of the right and left moving rotators 87 of the body group 87a is driven to rotate in the right direction, which is the same direction as the rear direction changing rotator 61 and different from the first rotator group 81.

  Further, at the same time, the respective forward / backward moving rotating bodies 86 of the front / rear rotating body group 86a of the second rotating body group 82 are driven to rotate in the forward direction, and the forward / backward moving rotating bodies of the front / rear rotating body group 86a of the fourth rotating body group 84 are rotated. 86 rotates in the backward direction, which is a different direction from the second rotating body group 82.

  Then, the article W supported by the support plate portion 51 of the support 31 is driven and rotated in two different directions by the two direction changing rotators 61 and left and right in the first and third rotator groups 81 and 83. As shown in FIG. 16, the rotation of the rotating body group 87a is driven in different directions, and the front and rear rotating body groups 86a in the second and fourth rotating body groups 82 and 84 are driven in different directions. For example, the body 31 rotates (turns) 90 degrees counterclockwise around the body 31 and changes direction. In other words, the left and right direction rotating bodies 87 of the left and right rotating body groups 87a of the first and third rotating body groups 81 and 83 and the front and rear direction rotating bodies of the front and rear rotating body groups 86a of the second and fourth rotating body groups 82 and 84, respectively. 86 functions as a rotating body for changing direction and assists the rotating body 61 for changing direction, so that the article W changes direction smoothly.

  Next, after the support 31 and the bi-directional turning rotator 61 are moved down with respect to the lifting frame 5 and separated from the lower surface of the article W, the left and right rotators of the four rotator groups 81, 82, 83, 84 are moved. Each left-right moving rotator 87 of the group 87a is driven to rotate in the right direction. Then, as shown in FIG. 17, the article W moves in the right direction and is moved to the work side, and the right end of the article W substantially coincides with the right end of the lifting frame body 5.

  In this state, an operator located on the second floor 16 loads a luggage such as a suitcase into a container that is the article W when loading, and loads a luggage from the container that is the article W when unloading. take down. At this time, depending on the size and the like of the container, the elevation frame body 5 is raised and lowered by the elevation drive means 6 to adjust and set the height position of the container.

  In addition, the angle of the direction change of the articles | goods W and the position where the articles | goods W are approached differ according to the position of the operation | work side which loads or unloads.

  Then, after the completion of the loading or unloading operation, the article W is centered again as shown in FIG.

  After that, as shown in FIG. 19, the support 31 moves upward and presses against the lower surface of the center portion of the article W, and the lower surface of the article W is supported from below by the support plate portion 51. The rotating body 61 moves upward and comes into pressure contact with the lower surface of the article W. At this time, the wheels (rotating body 86 for moving back and forth, rotating body 87 for moving left and right) 90 of the rotating body group 81, 82, 83, 84 remain in contact with the lower surface of the article W.

  Next, the front direction changing rotator 61 is driven to rotate in the right direction, and the rear direction changing rotator 61 is driven to rotate in the left direction at the same speed as that of the front direction changing rotator 61.

  At the same time, the left and right moving rotating bodies 87 of the left and right rotating body group 87a of the first rotating body group 81 are driven to rotate in the same right direction as the front direction changing rotating body 61, and the third rotating body group 83 is rotated left and right. Each of the left and right moving rotators 87 of the body group 87a is driven to rotate in the left direction, which is the same direction as the rear direction changing rotator 61 and a direction different from the first rotator group 81.

  At the same time, each of the longitudinally moving rotators 86 of the longitudinally rotating body group 86a of the second rotating body group 82 is driven and rotated in the rearward direction, and each of the longitudinally moving rotators of the longitudinally rotating body group 86a of the fourth rotating body group 84 is rotated. 86 rotates in the forward direction, which is a different direction from the second rotating body group 82.

  Then, the article W supported by the support plate portion 51 of the support 31 is driven and rotated in two different directions by the two direction changing rotators 61 and left and right in the first and third rotator groups 81 and 83. As shown in FIG. 20, the rotation of the rotating body group 87a in the different directions and the driving rotation of the front and rear rotating body groups 86a in the second and fourth rotating body groups 82 and 84 in different directions are supported as shown in FIG. For example, the body 31 is rotated (turned) 90 degrees clockwise around the body 31 to change direction, and the direction is the same as that at the time of carry-in.

  Next, the support 31 and the bi-directional conversion rotator 61 are moved downward with respect to the lifting frame body 5 so as to be separated from the lower surface of the article W, and the lifting frame body 5 is lowered to the lower position so that the rotating body groups 81, 82, After the upper end of the wheel 90 of 83 and 84 and the upper end of the transfer roller 13 are set to substantially the same height, the left and right rotation rotations of the left and right rotation body group 87a of the four rotation body groups 81, 82, 83 and 84 are rotated. The body 87 rotates in the left direction. Then, the finished article W is carried out onto the carriage 100 as shown in FIG.

  The mass detecting means 99 detects the mass of the article W at the time of carrying in and the mass of the article W at the time of carrying out, and calculates, for example, the mass of the luggage.

  According to such a direction changing device 1, the article W is not only driven and rotated by the two direction changing rotary bodies 61, but also the front and rear rotary body groups 86 a of the first and third rotary body groups 81 and 83 and the left and right rotary bodies 61 and 83. Drive rotation in a direction corresponding to the article rotation direction in any one direction of the rotating body group 87a, the front / rear rotating body group 86a and the left / right rotating body group 87a of the second and fourth rotating body groups 82 and 84 Since the rotation direction is changed around the support 31 by driving rotation in a direction corresponding to the rotation direction of the other one of the other directions, the lower surface of the article W is not uniform, Even if there are irregularities, etc., sufficient stable rotational force can be applied from the rotating bodies 61, 86, 87 to the lower surface of the article W, the article W can be appropriately and accurately redirected, and can be of various sizes Can respond appropriately to various article sizes.

  Further, since the support 31 and the direction changing rotator 61 can be brought into contact with and separated from the article W by the vertical movement relative to the wheel 90, the support 31 and the direction changing rotator 61 are connected to the article W. Is moved downward with respect to the wheel 90 that supports the object W and separated from the article W, the article W can be appropriately moved by the wheel 90 of the rotating body group 81, 82, 83, 84.

  Furthermore, the direction changing rotator 61 can be easily provided at a position between the first rotator group 81 and the second rotator group 82 and a position between the third rotator group 83 and the fourth rotator group 84. .

  In addition, the front and rear moving rotating bodies 86 and the left and right moving rotating bodies 87 of the rotating body groups 81, 82, 83, and 84 are rotatably provided on the outer peripheral side of the roller body 91 and the roller body 91. Since the wheel 90 having the plurality of free rollers 92 is formed, the article W can be moved and changed in an appropriate and smooth manner.

  In the direction changing device 1, the article W is driven to rotate the direction changing rotary body 61 and to drive one of the front and rear rotary body groups 86 a and the left and right rotary body groups 87 a of the first and third rotary body groups 81 and 83. The present invention is not limited to a configuration that rotates around the support 31 by rotation and the driving rotation of the other one of the front and rear rotating body group 86a and the left and right rotating body group 87a of the second and fourth rotating body groups 82 and 84. W is the driving rotation of the rotating body for direction change 61 and the moving body for forward / backward movement (front / rear rotating body group 86a) 86 and the left / right movement in at least one of the four rotating body groups 81, 82, 83, 84. The rotating body (left and right rotating body group 87a) 87 may be configured to rotate around the support 31 by driving rotation of at least one of the rotating bodies (left and right rotating body group 87a) 87.

  That is, for example, the article W is driven by the direction changing rotator 61 and the driving rotation of the first / second rotator group 81, 82 in the front / rear direction rotating rotator 86 and the third / fourth. The rotating body groups 83 and 84 may be configured to rotate about the support 31 by driving the other of the front and rear directions of the rotating body 86 for moving back and forth, and the article W may be driven and rotated by the rotating body 61 for changing direction. Drive rotation in the same direction as the direction changing rotator 61 on the front side of the left / right moving rotator 87 of the first / second rotator group 81, 82 and left / right movement of the third / fourth rotator group 83, 84. The rotating body 87 may be configured to rotate around the support body 31 by driving rotation in the same direction as the direction changing rotating body 61 on the rear side, or may be configured by combining these.

  Further, for example, the article W is driven to rotate the direction changing rotator 61 and to be driven by one of the first and third rotator groups 81 and 83, either the front / rear moving rotator 86 or the left / right moving rotator 87. By which the article W is rotated around the support 31, and the article W is driven to rotate by the direction changing rotator 61, and the second and fourth rotator groups 82 and 84 are moved forward and backward by the rotating body 86 and the left and right moving rotation. A configuration that rotates around the support 31 by driving rotation of any one of the bodies 87 may be used.

  Further, a configuration having four front-rear and left-right rotating bodies positioned on a virtual circle centered on the support 31, and a left-right pair positioned on the virtual circle centered on the support 31 for two-direction switching. A configuration having a rotating body or a configuration having three rotating bodies for changing direction positioned at 120 degree intervals on a virtual circle centered on the support 31 may be used.

  In the above embodiment, the direction in which the article W is carried in / out is described as the left / right direction. However, the direction in which the article W is carried in / out may be the front / rear direction, and the article W is carried in from either the left / right direction. The structure etc. which carry out to either the front-back direction may be sufficient.

It is a top view of the direction change apparatus which concerns on one embodiment of this invention. It is a side view of a direction change apparatus same as the above. It is a side view of the state which made the raising-lowering frame body of the same direction change apparatus located in the upper position. It is a side view of a direction change apparatus same as the above. It is a top view of the support means of a direction change apparatus same as the above. It is side view sectional drawing of a support means same as the above. It is side view sectional drawing of a support means same as the above. It is a front view of the direction change means of a direction change apparatus same as the above. It is a top view sectional drawing of a direction change means same as the above. It is side view sectional drawing of a direction change means same as the above. It is a perspective view of the wheel of a direction change apparatus same as the above. It is operation | movement explanatory drawing of a direction change apparatus same as the above. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG.

Explanation of symbols

1 Direction change device
31 Support
61 Directional rotating body
81 First rotating body group
82 Second rotating body group
83 3rd rotating body group
84 4th rotating body group
86 Rotating body for back and forth movement
87 Rotating body for horizontal movement
91 Roller body
92 Free Roller W Goods

Claims (5)

A support for supporting the article;
A rotating body for changing direction located on a virtual circle centered on the support;
A first rotating body group located in a front left region of the support;
A second rotating body group located in a front right region of the support;
A third rotating body group located in a rear right region of the support;
A fourth rotating body group located in the rear left region of the support,
Each of the rotating body groups is
A plurality of forward and backward rotating bodies capable of moving the article in the front-rear direction;
A plurality of left-and-right moving rotators capable of moving the article in the left-right direction;
The article supported by the support is configured to drive at least one of the rotating body for forward / backward movement and the rotating body for left / right movement in at least one of the four rotating body groups. A direction changing device that rotates around the support by one of the driving rotations. The article supported by the support includes a driving rotation of the direction changing rotator, a driving rotation of one of the front-rear moving rotator and the left-right moving rotator in the first and third rotators, 2. The direction changing device according to claim 1, wherein the rotation device rotates about the support body by driving rotation of one of the front-rear moving rotor and the left-right moving rotor in the fourth rotating body group. . The direction changing device according to claim 1, wherein the support body and the rotating body for changing the direction can be moved toward and away from the article by vertical movement. The rotating body for direction change is provided at a position between the first rotating body group and the second rotating body group and a position between the third rotating body group and the fourth rotating body group. 4. The direction changing device according to any one of items 3 to 3. The forward and backward moving rotator and the left and right moving rotator are:
A roller body for driving rotation;
The direction changing device according to any one of claims 1 to 4, further comprising a plurality of free rollers rotatably provided on an outer peripheral side of the roller body.

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