JP2018095335A - Carrier device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To carry a box truck at right angles.SOLUTION: A carrier device 100 which carries a box truck along a second conveyance path 102 connected in a bent shape to a first conveyance path 101 comprises: a first holding body 111 which holds a lower part of the box truck 200 from below along the first conveyance path 101; a first moving device 113 which opens and closes, and reciprocally moves the first holding body 111; a second holding body 122 which holds the box truck 200; a second moving device 123 which opens and closes, and reciprocally moves the second holding body; a pair of arms 103 which move between projection positions and standby positions arranged on both width-directional sides of the first conveyance path 101; and a third moving body 133 which make the arms 103 move between the projection positions and standby positions, and also reciprocally move between an end of the first conveyance path 101 and an end of the second conveyance path 102.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a transport device for a box truck that can accommodate a load and move on a floor surface while rolling a wheel.

  At distribution bases such as luggage distribution centers, workers may move the cart by pushing the cart, but if the cart is moved far away, a transport device such as a conveyor may be used. .

  Patent Document 1 describes a technique for transporting a box truck with a conveyor and retracting the box truck in the middle of the transport path.

JP 2013-237535 A

  However, when the cart is transported by making a left turn or a right turn in the conveyor system, the conveyor needs to be greatly curved, and a problem arises that a large space is required on the floor surface to form a transport path.

  This invention is made | formed in view of the said subject, and it aims at provision of the conveying apparatus which can carry out the right and left turn of a box trolley in the bending shape near right angles including right angles.

  In order to achieve the above-described object, a transport device according to the present invention is configured to be provided on a road surface of a first transport path and a second transport path that is bent and connected to the first transport path at an end of the first transport path. A conveying device that conveys a box truck by rolling wheels of the box truck, the first holding body for releasably holding the lower part of the box truck along the first conveying path from below, and the first clamping A first moving device that opens and closes the body and reciprocates along the first transport path; a second sandwiching body that releasably clamps the lower part of the box carriage along the second transport path from below; A second moving device that opens and closes the second clamping body and reciprocates along the second conveyance path; and is disposed on both sides in the width direction of the first conveyance path at an end of the first conveyance path And a retracted position disposed outside the end of the first transport path. A pair of arms that move between the arm, the arm between the protruding position and the retracted position, and reciprocating between an end of the first transport path and an end of the second transport path And a third moving device to be moved.

  According to this, it can convey, correlating a box trolley and the position currently conveyed by clamping and conveying the lower part of a box trolley. Further, since the box carriage can be transported through a bent path such as a right angle, it is possible to suppress a dead space that is generated to form the transport path of the box truck.

  Further, a fixed guide that is arranged along the first conveyance path and a conveyance path including the second conveyance path and that guides the box carriage, and a guide position that is arranged continuously with the fixed guide and guides the box carriage. A movable guide that moves between an area forming position that forms an entry / exit area that can be entered and exited in the conveyance path by retreating from the conveyance path, and a guide moving device that moves the movable guide. .

  According to this, a box trolley and a person can be entered and exited between the entry / exit area and the outside of the conveyance path in the middle of the conveyance path. In addition, by arranging the movable guides so as to face each other across the conveyance path, it is possible to form a crossing path where a box truck or a person crosses in the middle of the conveyance path.

  Further, the movable guides are arranged to face each other with the first transport path sandwiched in the width direction, and the guide moving device moves both the movable guides to the region forming position to thereby move the entry / exit region. May be allowed to pass through.

  According to this, it is possible to cross the conveyance path by passing through the entry / exit area.

  A blocking member that moves between a blocking position that blocks the conveyance path and a non-blocking position that does not block the conveyance path; and a blocking member moving device that moves the blocking member. May be.

  Thereby, it is possible to prevent a cart or a person who has entered the entrance / exit area from entering the transport path by mistake.

  Moreover, you may provide the intrusion detection sensor which detects the intrusion of the object from the said entrance / exit area | region to the said conveyance path | route.

  According to this, it is possible to detect in software that a cart or a person has entered the transport path from the entrance / exit area, and it is possible to improve the safety of the transport device.

  Further, the blocking member may guide entry / exit of the box carriage to / from the entry / exit region.

  Thereby, a box trolley | bogie can be guided to the predetermined position of an entrance / exit area | region. Further, it is possible to smoothly traverse the box carriage through the entrance / exit region.

  Moreover, you may provide the transfer apparatus which transfers a box trolley between the said entrance / exit area | region and the said conveyance path | route outside.

  Thereby, it becomes possible to put in and take out the box truck safely in the middle of the conveyance path.

  You may provide the carrying-in / out conveyor which carries in and out of the said conveyance path | route from the edge part outer side of the said conveyance path | route to the inside along the said conveyance path | route.

  Thereby, it is possible to safely carry the box truck into the transport path and to safely carry out the box truck from the transport path.

  According to the present invention, the box carriage can be conveyed along a bent path.

FIG. 1 is a plan view showing a bent portion of the transport device. FIG. 2 is a perspective view showing a bent portion of the transport device. FIG. 3 is a side view showing a state in which the first holding body holds the box carriage. FIG. 4 is a side view showing a state where the first clamping body has released the box carriage. FIG. 5 is a perspective view showing a state where the arm protrudes. FIG. 6 is a perspective view showing a state where the arm is retracted. FIG. 7 is a perspective view showing a state where the movable guide is in the guide position and the blocking member is in the non-blocking position. FIG. 8 is a perspective view showing a state where the movable guide is in the region forming position and the blocking member is in the blocking position. FIG. 9 is a perspective view showing the transfer device in a state in which the box carriage is arranged outside the conveyance path. FIG. 10 is a perspective view showing the transfer device in a state in which the box carriage is arranged in the entry / exit region. FIG. 11 is a perspective view showing the vicinity of the end of the transport path. FIG. 12 is a plan view illustrating a modified example of the bent portion of the transport device.

  Next, an embodiment of a transfer device according to the present invention will be described with reference to the drawings. In addition, the following embodiment is only what showed an example of the conveying apparatus which concerns on this invention. Accordingly, the scope of the present invention is defined by the wording of the claims with reference to the following embodiments, and is not limited to the following embodiments. Therefore, among the constituent elements in the following embodiments, constituent elements that are not described in the independent claims indicating the highest concept of the present invention are not necessarily required to achieve the object of the present invention. It will be described as constituting a preferred form.

  Also, the drawings are schematic diagrams in which emphasis, omission, and ratio adjustment are performed as appropriate to show the present invention, and may differ from actual shapes, positional relationships, and ratios.

  FIG. 1 is a plan view showing a bent portion of the transport device.

  FIG. 2 is a perspective view showing a bent portion of the transport device.

  As shown in these drawings, the transfer device 100 abuts against the first transfer path 101 and the first transfer path 101 at one end of the first transfer path 101 in a bent shape (in the case of the present embodiment, a right angle). An apparatus for transporting the box carriage 200 by rolling the wheels of the box carriage 200 on the road surface 109 of the second conveyance path 102 connected in the state, the first holding body 111, the first moving apparatus 113, The second holding member 122, the second moving device 123, the arm 103, and the third moving device 133 are provided. In the case of the present embodiment, the transport device 100 further includes a fixed guide 104, a movable guide 105, a guide moving device 151, a blocking member 106, a blocking member moving device 161, and an intruder detection sensor 160. Yes.

  Further, the transport apparatus 100 includes a transport path 110 including a first transport path 101 and a second transport path 102, and a sandwiching body similar to the first sandwiching body 111, the first moving device 113, and the like. And the moving apparatus is provided in several places. The strokes of the sandwiched body that is moved by these moving devices overlap in the transport direction by at least the width of the one of the carts 200, and the carts are transferred while transferring the carts 200 from one sandwiched body to another. 200 can be transported along the transport path 110.

  In this way, by sequentially reciprocating the sandwiching body and transporting the carts 200 while successively delivering them, the software association between the sandwiching bodies and the carts 200 is facilitated, and the predetermined carts 200 are transported along the transport path. It is possible to easily grasp the location in 110 with a computer or the like.

  The box carriage 200 has a box-shaped main body 201 for storing a load and a free wheel 202 attached to the lower surface of the main body 201 and is a target to be transported by the transport device 100. The box bogie 200 is, for example, a thing called a basket bogie whose main body is formed of a net and a frame, or an insulating bogie whose main body is formed of a heat insulating material. The box truck 200 not only means an empty case, but the box truck 200 is a combination of the box truck 200 and the luggage accommodated in the box truck 200. Specifically, the cart 200 can be exemplified by a net-like wall member erected from the periphery of a rectangular base. The box carriage 200 has a free wheel 202 attached to each of the four corners of the lower surface of the main body 201 that has the appearance of a prism, and can convey, for example, a corner at a right angle.

  The free wheel 202 is a member called a so-called free caster, and holds a wheel that rolls on the floor so as to be able to turn around a vertical axis. The box carriage 200 may be not only a free caster but also a rotatable one such as a ball caster. Moreover, the number of the free vehicles 202 with which the box trolley | bogie 200 is provided will not be limited if it is three or more.

  FIG. 3 is a side view showing a state in which the first holding body holds the box carriage.

  FIG. 4 is a side view showing a state where the first clamping body has released the box carriage.

  As shown in these drawings, the first clamping body 111 clamps the lower portion of the box carriage 200 from below along the first transport path 101 (along the X axis in the drawing). It is a member which can cancel | release. In the case of the present embodiment, the first clamping body 111 abuts against each of the lower surfaces of the box carriage 200 and intersects the first conveyance path 101 of the box carriage 200 in a facing state, and a predetermined force (holding force) ) Can hold the lower part of the box carriage 200 between them. In addition, as shown in FIG. 1, the first sandwiching body 111 is not arranged at the center in the width direction (Y-axis direction in the drawing) of the first transport path 101, but the first sandwiching body 111 passes between the sandwiching bodies. In the width direction of the transport path 101, they are arranged so as to be biased to one side.

  Further, the first sandwiching body 111 has a shape in which the width of the portion that passes through the road surface 109 and is connected to the first moving device 113 is narrower than the width of the portion disposed above the road surface 109. Thereby, the width of the groove provided in the road surface 109 for moving the first clamping body 111 along the first transport path 101 can be narrowed, and even when the box carriage 200 or the like crosses the groove, the box carriage 200 wheels do not fall into the groove.

  The first moving device 113 includes a closed state in which the first sandwiching body 111 can sandwich the box carriage 200, and the first sandwiching body 111 between the bottom surface portion 203 of the main body of the box carriage 200 and the road surface 109 of the conveyance path 110. This is an apparatus that can move the first sandwiching body 111 between the open state and a state where it can pass through, and is disposed below the road surface 109 of the transport path 110 in an embedded state. Further, the first moving device 113 reciprocates along the first transport path 101 between the first holding body 111 in a state where the box carriage 200 is held and the first holding body 111 in a state where the box carriage 200 is not held. It has a function to move.

  The first moving device 113 holds the first sandwiching body 111 under the road surface 109 in a cantilever state, and the first sandwiching body 111 is centered on an axis extending in the width direction of the first transport path 101. Each of these is rotated in the opposite direction to move between the open state and the closed state.

  In addition, the detailed structure of the 1st moving apparatus 113 and the below-mentioned moving apparatus is not specifically limited, It implement | achieves by combining mechanism members, such as a motor, a belt, a gear, and a cam, and a drive source. The

  In the case of the present embodiment, the first moving device 113 includes a mechanism that opens and closes the first sandwiching body 111 based on air pressure and reciprocates. By driving the first clamping body 111 based on the air pressure, when an abnormality occurs, such as during a power failure, the box carriage 200 is manually released from the first clamping body 111, and the box carriage 200 is moved to the first transport path by public turn. It can be moved out of 101.

  The second clamping body 122 is a member that releasably clamps the lower portion of the box carriage 200 from below along the second transport path 102 (along the Y axis in the figure), and the first clamping except for the arrangement direction is different. It is a member similar to the body 111.

  The second moving device 123 is a device that can open and close the second holding body 122 and reciprocate along the second transport path 102, and the direction in which the second holding body 122 is moved is the first holding body. The device is the same as the first moving device 113 except that the moving direction of the device 111 is different.

  FIG. 5 is a perspective view showing a state where the arm protrudes.

  FIG. 6 is a perspective view showing a state where the arm is retracted.

  As shown in these drawings, the arm 103 is configured such that a box truck 200 is disposed at both ends in the width direction of the first transport path 101, that is, at the end of the first transport path 101 at the end of the first transport path 101. In this case, the pair of members move between the protruding positions arranged on both sides of the box carriage 200 and the retracted position arranged outside the end of the first transport path 101.

  In the case of the present embodiment, the arm 103 is a rod-shaped member, and is arranged in a state where the box carriage 200 is not sandwiched.

  The third moving device 133 has a protruding position (see FIG. 5) where the arm 103 sandwiches the box carriage 200 and a retracted position where the arm 103 can move without interfering with the box carriage 200 (see FIG. 6). ) To move the arm 103 between. Further, the third moving device 133 reciprocates the arm 103 with the box carriage 200 sandwiched between the end of the first transfer path 101 and the end of the second transfer path 102 disposed in the vicinity of the end. It has both functions that can be moved. In addition, the third moving device 133 is a device that can reciprocate the arm 103 in the retracted position without interfering with the box carriage 200.

  In the case of the present embodiment, the third moving device 133 moves the protruding position and the arm 103 at the retracted position along the second conveyance path 102 along the second conveyance path 102 orthogonal to the first conveyance path 101. It has become something that can be made.

  The third moving device 133 moves between the protruding position and the retracted position by holding the arm 103 in a cantilever state and rotating and swinging the arm 103 about an axis extending in the width direction of the first transport path 101. I am letting.

  The fixed guides 104 are guides that extend in the transport direction on both sides in the width direction of the transport path 110 and guide the car with the box carriage 200 interposed therebetween. The fixed guides 104 are rail-shaped members that are fixed to the road surface 109. is there.

  FIG. 7 is a perspective view showing a state where the movable guide is in the guide position and the blocking member is in the non-blocking position.

  FIG. 8 is a perspective view showing a state where the movable guide is in the region forming position and the blocking member is in the blocking position.

  As shown in these drawings, the movable guide 105 is continuously arranged with the fixed guide 104, and is retracted from the conveyance path 110 and a guide position for guiding the cart 200 conveyed in the conveyance path 110. This is a member that moves between the region forming positions that form the entry / exit region 152 in which a person, a carriage, and the like can enter / exit in the transport path 110.

  In the case of the present embodiment, the movable guide 105 is a plate-like member, and is disposed so as to face each other with the conveyance path 110 sandwiched in the width direction.

  The guide moving device 151 includes a guide position where the movable guide 105 can guide the box carriage 200, and an area formation position that is a position that does not get in the way when a person, a carriage, or the like enters the exit area 152 and exits. It is an apparatus which can move the movable guide 105 between.

  In the case of the present embodiment, the guide moving device 151 lowers the movable guide 105 until the upper surface of the movable guide 105 is flush with the road surface 109 and arranges the movable guide at the region forming position. The movable guide is arranged at the guide position by protruding from the guide.

  In addition, it is possible to form a crossing path that crosses the conveyance path 110 by moving the movable guides 105 arranged so that the guide moving devices 151 face each other to the region forming position at the same time. The entry / exit area 152 and the crossing path are a part of the transport path 110 and are areas that appear virtually when the movable guide 105 moves to the area formation position. However, when the entry / exit area 152 or the crossing path appears, the entry / exit area 152 or the crossing path and the conveyance path 110 are distinguished from each other.

  The blocking member 106 is a member that moves between a blocking position that blocks the conveyance path 110 and a non-blocking position that does not block the conveyance path 110 on the side of the entry / exit region 152.

  In the case of the present embodiment, the blocking members 106 are rod-shaped members, and a pair is arranged on both sides of the entry / exit region 152. The blocking member 106 is arranged so as to have an interval that can be guided when the box carriage 200 enters and exits the entry / exit region 152.

  The blocking member moving device 161 moves the blocking member 106 between a blocking position where the blocking member 106 blocks the conveyance path 110 (see FIG. 8) and a non-blocking position where the blocking path 106 does not block the conveyance path 110 (see FIG. 7). It is a device that can.

  In the case of the present embodiment, the blocking member moving device 161 holds the blocking member 106 in a cantilever state, and rotates and swings the blocking member 106 around an axis extending along the conveyance path 110 to prevent the blocking member 106 from moving to the blocking position. It is moved between the blocking position.

  The intruder detection sensor 160 is a sensor that detects the intrusion of an object such as a person or the box truck 200 from the entrance / exit area 152 to the transport path 110. The intruder detection sensor 160 is, for example, a non-contact photoelectric sensor, and can be exemplified by a sensor that detects that an object has passed by blocking light. The intruder detection sensor 160 is provided on the boundary surface between the entrance / exit region 152 and the transport path 110. In the case of the present embodiment, the intruder detection sensor 160 is provided so that light passes through the space below the blocking member 106.

  FIG. 9 is a perspective view showing the transfer device in a state in which the box carriage is arranged outside the conveyance path.

  FIG. 10 is a perspective view showing the transfer device in a state in which the box carriage is arranged in the entry / exit region.

  As shown in these drawings, the transfer device 100 includes a transfer device 107 that can transfer the box carriage 200 in the transfer path 110.

  In the case of the present embodiment, the transfer device 107 can pass through the lower part of the main body 201 of the box carriage 200, and can protrude from the base member 170 upward. , The claw member 171 that can push the box cart 200 in and out, the transfer guide 172 that guides the box cart 200 being transferred, and the transfer that moves the base member 170 and the claw member 171. And a loading / moving device 173.

  As shown in FIG. 9, when the movable guide 105 is at the guide position, the operator places the box carriage 200 at a predetermined position along the transfer guide 172, and then the transfer device 107 is automatically operated. Thus, it is possible to arrange the box carriage 200 in the entry / exit region 152.

  FIG. 11 is a perspective view showing the vicinity of the end of the transport path.

  As shown in the figure, the transport apparatus 100 includes a carry-in / out conveyor 108 that is arranged along the transport path 110 from the outside of the end of the transport path 110 to the inside, and that transports the carts 200 into and out of the transport path 110. I have.

  In the case of the present embodiment, the carry-in / out conveyor 108 includes two conveyors such as a slat conveyor that can move the box carriage 200 in the horizontal direction in a state where the free wheel 202 is placed. In addition, guide rails 181 that can guide the box carriage 200 are provided on both sides of the carry-in / out conveyor 108.

  When the worker carries the box carriage 200 into the end of the conveyance path 110, the worker places the box carriage 200 on the carry-in / out conveyor 108 along the guide rail 181, and thereafter the carry-in / out conveyor. 108 can automatically place the cart 200 in the end of the transport path 110. Further, when the worker carries out the box truck 200 from the end of the conveyance path 110, the holding body conveys the box truck to the position where the box truck 200 is placed on the carry-in / out conveyor 108, and holds it at the position. After the body is opened, the carry-in / out conveyor 108 automatically conveys the box carriage 200 to the outside of the end of the conveyance path 110, and the operator can receive the box carriage 200 outside the conveyance path 110. it can.

  According to the said conveying apparatus 100, the box trolley | bogie 200 can be conveyed along the conveyance path | route 110 bent at right angle. Therefore, it is possible to eliminate the waste of installation space caused by curving the conveyance path 110.

  Moreover, a safe crossing path can be formed in the middle of the conveyance path 110, and it becomes possible for a person and the cart 200 to move along a short flow line that does not bypass the conveyance path 110.

  In addition, since the cart 200 can be carried in and out of the conveyance path 110, the conveyance path 110 having a high degree of freedom can be formed.

  In addition, since the sandwiched body and the box truck 200 can be managed in association with each other by software, even if the box truck 200 is carried in / out along the transfer path 110, the individual positions of the box truck 200 are set to a higher-level computer or the like. Can be grasped.

  In addition, the cart 200 can be safely carried in and out of the transport path 110 by the carry-in / out conveyor 108.

  In addition, this invention is not limited to the said embodiment. For example, another embodiment realized by arbitrarily combining the components described in this specification and excluding some of the components may be used as an embodiment of the present invention. In addition, the present invention includes modifications obtained by making various modifications conceivable by those skilled in the art without departing from the gist of the present invention, that is, the meaning described in the claims. It is.

  For example, in the present embodiment, the conveyance path 110 bent at a right angle has been described, but the bending angle is not limited to a right angle.

  In addition, as shown in FIG. 12, a T-shaped intersection in which the second transport path 102 is disposed on both sides of the end portion of the first transport path 101 may be used. In this case, the third moving device 133 moves the arm 103 beyond the end of the first transport path 101 from the end of the second transport path 102 in the associated state to the end of the other second transport path 102. By moving, the box carriage 200 can be moved to any of the second transport paths 102.

  Moreover, although the case where the arm 103 and the blocking member 106 are swung down to protrude and retracted by swinging up has been described, the movement of the arm 103 and the blocking member 106 is not limited to this operation. For example, the arm 103 and the blocking member 106 may be slid so as to project straight in a horizontal plane and to retreat along the same track. Further, the arm 103 and the blocking member 106 may be arranged in the transport area by being lifted and lowered while being held in a horizontal state, and may be retracted outside the transport area.

  Further, the movable guide 105 may move between an upright state for guiding the box carriage 200 and a lying down state for forming the entry / exit region 152.

  The present invention can be used for transporting a box carriage.

DESCRIPTION OF SYMBOLS 100 Conveyance apparatus 101 1st conveyance path 102 2nd conveyance path 103 Arm 104 Fixed guide 105 Movable guide 106 Blocking member 107 Transfer device 108 Carry-in / out conveyor 109 Road surface 110 Conveyance path 111 First clamping body 113 First movement apparatus 122 Second Clamping body 123 Second moving device 133 Third moving device 151 Guide moving device 152 Entrance / exit area 160 Intruder detection sensor 161 Blocking member moving device 170 Base member 171 Claw member 172 Transfer guide 173 Transfer moving device 181 Guide rail 200 Box carriage 201 body 202 free wheel 203 bottom surface

Claims (8)

A transport device that transports a box truck by rolling a wheel of a box truck on a road surface of a second transport path that is bent and connected to the first transport path at an end of the first transport path and the first transport path. Because
A first clamping body for releasably clamping the lower portion of the box carriage along the first transport path from below;
A first moving device that opens and closes the first clamping body and reciprocates along the first conveying path;
A second clamping body for releasably clamping the lower part of the box carriage along the second transport path from below;
A second moving device that opens and closes the second clamping body and reciprocates along the second transport path;
A pair that moves between projecting positions arranged on both sides in the width direction of the first transport path and retreat positions disposed outside the end of the first transport path at the end of the first transport path. The arm and
A third moving device that moves the arm between the protruding position and the retracted position and reciprocates between the end of the first transport path and the end of the second transport path; Conveying device. A fixed guide that is arranged along a transport path including the first transport path and the second transport path and guides the cart
A movable guide that is arranged continuously with the fixed guide and moves between a guide position that guides the cart, and an area forming position that forms an entry / exit area that can be entered and exited in the conveyance path by retreating from the conveyance path; ,
The transport apparatus according to claim 1, further comprising a guide moving device that moves the movable guide. The movable guide is
Arranged to face each other with the first transport path sandwiched in the width direction,
The guide moving device includes:
The transport apparatus according to claim 2, wherein both the movable guides are allowed to pass through the entry / exit region by moving to the region formation position. A blocking member that moves between a blocking position that blocks the conveyance path and a non-blocking position that does not block the conveyance path on the side of the entry / exit region;
The conveyance apparatus of Claim 2 or 3 provided with the interruption | blocking member moving apparatus which moves the said interruption | blocking member. The conveyance apparatus as described in any one of Claims 2-4 provided with the intrusion detection sensor which detects the penetration | invasion of the object from the said entrance / exit area | region to the said conveyance path | route. The conveying device according to claim 4 or 5, wherein the blocking member guides entry / exit of the box carriage into the entry / exit region. The conveyance apparatus as described in any one of Claims 1-6 provided with the transfer apparatus which transfers a box trolley between the said entrance / exit area | region and the said conveyance path | route outside. The transport path according to any one of claims 2 to 7, further comprising a carry-in / out conveyor arranged from the outer end of the transport path to the inside thereof, along the transport path, and for loading / unloading a box carriage into / from the transport path. Conveying device.

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