JP2007039180A - Conveying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable storage of a plurality of unused conveying devices with great space efficiency and simplify the configuration of the conveying device by reducing the number of components. <P>SOLUTION: The conveying device 1 is provided with a leg body 2 having an approximately H shape in a plan view. A roller type conveying body 3 becoming unused state by rotation in one direction and used state by rotation in the other direction is vertically movably provided in the upper part of the leg body 2. The conveying device 1 has a fixation operation means 21 performing fixation and releasing the fixation of the conveying body 3 in the use state with respect to the leg body 2. A plurality of the conveying devices 1 can be superposed with each other by making the unused conveying bodies 3 close to and face to each other. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a transport device that can store a plurality of transport devices in a space-efficient manner when not in use and can simplify the configuration by reducing the number of components.

Conventionally, for example, a plurality of connecting rods are pivotally connected at the center and both ends thereof to form a pair of pantographs, and a plurality of rollers provided between the two stretching members and arranged in the conveying direction. A conveying device such as a free-curve conveyor provided with the above is known (see, for example, Patent Document 1).
Japanese Examined Patent Publication No. 62-16887

  However, in the above-described conventional transfer device, the transfer device itself can be made smaller by shrinking the expansion / contraction body. Therefore, although a plurality of transfer devices can be accommodated in a space efficient manner when not in use, the number of parts tends to be large and the configuration tends to be complicated. .

  The present invention has been made in view of the above points, and provides a transport device that can store a plurality of transport devices in a space-efficient manner when not in use and can simplify the configuration by reducing the number of components. With the goal.

  The conveying device according to claim 1 is provided with a leg body and the leg body so as to be pivotable in the vertical direction, and becomes unusable by pivoting in one direction and put into use by pivoting in the other direction. And a fixing operation means for fixing the carrier in use and fixing the leg in use and releasing the fixation, and superposing a plurality of non-use carriers by causing the carriers in proximity to face each other. Is possible.

  The transport apparatus according to claim 2 is the transport apparatus according to claim 1, wherein the fixing operation means includes an operating body, one engagement body provided on the leg body, and the one engagement body provided on the transport body. And the other engaging body engages with the other engaging body by the rotation of the conveying body in the other direction. It is fixed to the leg body, and the engagement between the one engagement body and the other engagement body is released by the operation of the operation body, and the release of the engagement causes the transport body in use to the leg body. The fixing is released.

  According to a third aspect of the present invention, in the conveyance device according to the first or second aspect, the conveyance body is rotated in one direction due to the weight of the conveyance body and is not used.

  According to a fourth aspect of the present invention, there is provided the transfer device according to the third aspect, further comprising a buffer unit that absorbs an impact between the transfer body and the leg when the transfer body rotates in one direction due to its own weight.

  According to a fifth aspect of the present invention, in the conveyance device according to the third aspect, the conveyance body is held in an inclined unused state by its own weight.

  According to the invention of claim 1, since a plurality of transfer devices can be overlapped by bringing the non-use transfer members close to each other, the plurality of transfer devices can be stored in a space efficient manner when not in use. The configuration can be simplified by reducing the number of parts, and the transporting unit in use can be securely fixed to the legs by the fixing operation means, and the transported object can be stabilized by the transporting unit in use. Can be transported.

  According to the invention which concerns on Claim 2, the conveyance body of a use condition can be reliably fixed with respect to a leg body by rotation to the other direction of a conveyance body, and with respect to the leg body of a conveyance body of a use condition by operation of an operation body Fixing can be reliably released.

  According to the invention which concerns on Claim 3, since a conveyance body rotates to one direction with the dead weight, it can be in a non-use state easily.

  According to the invention which concerns on Claim 4, the shock between a conveyance body and a leg body can be absorbed with a buffer means, and durability can be aimed at.

  According to the invention which concerns on Claim 5, since a conveyance body is hold | maintained in the inclined unused state by the dead weight of the conveyance body, flapping of the unused conveyance body etc. at the time of movement of a conveying apparatus etc. can be prevented. .

  An embodiment of a transfer device of the present invention will be described with reference to the drawings.

  In FIG. 1 to FIG. 3, reference numeral 1 denotes a transport device, and the transport device 1 is a nesting roller conveyor that transports an object to be transported (not shown) in a horizontal transport direction.

  The conveyance device 1 includes a substantially H-shaped leg 2 in plan view. On the upper part of the leg 2, a roller-type transport body 3 for placing and transporting the object to be transported in the horizontal transport direction is provided so as to be able to rotate in the vertical direction about the horizontal rotation center axis X. ing. When the transport device 1 is not in use, the transport body 3 is in an inclined non-use state by rotating in one direction around the rotation center axis X based on the weight of the transport body 3, and when the transport device 1 is in use. By turning in the other direction around the rotation center axis X, a horizontal state of use is obtained. Note that the rotation angle α of the transport body 3 is about 75 degrees, for example.

  Here, the leg 2 includes a pair of substantially inverted T-shaped legs 5 that are spaced apart from each other, and two parallel upper and lower longitudinal connecting parts 6 that connect the legs 5 to each other. have.

  The leg portion 5 has a base portion 7 that is elongated in the horizontal direction, and casters 8 with wheel lock mechanisms are provided at both ends of the base portion 7 in the longitudinal direction. A longitudinal rising portion 9 is provided in a slanting manner at the longitudinal center of the base portion 7, and the carrier 3 can be rotated in the vertical direction around the rotation center axis X at the upper end of the rising portion 9. Is provided. The angle α formed by the base portion 7 and the rising portion 9 is, for example, about 75 degrees (see FIG. 1). Further, near the lower end portion of the rising portion 9, there is a buffering means 10 for absorbing shock between the transport body 3 and the leg body 2 when the transport body 3 is rotated in one direction due to its own weight, for example, a buffer material made of urethane or the like. Is provided.

  The transport body 3 has a pair of longitudinal frame portions 11 that are located opposite to each other. Between both the frame portions 11, a plurality of substantially cylindrical transport roller portions 12 for placing and transporting the object to be transported in the transport direction on the upper surface side are arranged in parallel at a predetermined interval. Both frame parts 11 are connected to each other by a plurality of connecting collar parts 13, and a leg mounting part 14 projecting downward from the connecting collar part 13 is connected to the upper end of the rising part 9 of the leg part 5 via a horizontal shaft 15. It is pivotally attached. Since the leg mounting portion 14 is provided at a position shifted from the center in the width direction of the transport body 3, the transport body 3 is rotated in one direction by its own weight.

  In addition, a hook attachment portion 16 is provided in the connection collar portion 13 in the vicinity of the leg attachment portion 14. Further, a substantially plate-shaped lever receiving portion 17 is provided in the vicinity of the end portion of the connecting collar portion 13, and a hole 18 is formed in the lever receiving portion 17 (see FIG. 4).

  Further, the transport device 1 includes a plurality of, for example, two fixing operation means (lock devices) 21 for fixing the used transport body 3 to the leg body 2 and releasing the fixing. The two fixed operating means 21 can be operated individually.

  As shown in FIG. 3, the fixing operation means 21 includes a hook receiving member 22 that is one of substantially U-shaped engaging bodies provided at the upper end of the rising portion 9 of the leg 5 of the leg 2, It has a hook receiving member 22 and a fixing hook 23 which is the other engaging body to be engaged and disengaged. The hook 23 is rotatably attached to the hook attachment portion 16 of the transport body 3 via a horizontal shaft 24, and is brought into a locked state and an unlocked state by turning around the shaft 24.

  In addition, one end of a long lever member 25 is attached to the hook 23, and the other end side of the lever member 25 is inserted into the hole 18 of the lever receiving portion 17 of the transport body 3. A substantially spherical nigiri ball 26 and substantially cylindrical collars 27 and 28 are attached to the other end side of the lever member 25. Between the collar 27 and the lever receiving portion 17, a coiled compression spring 29 as an urging means is disposed. In the vicinity of the other end portion of the lever member 25, a concave portion 30 is provided that is caught by an edge portion facing the hole 18 of the lever receiving portion 17. The lever member 25, the ball balls 26, the collars 27 and 28, etc. constitute an operating body 31 for switching the state of the hook 23.

  When the transport device 1 is used, the hook receiving member 22 and the hook 23 are engaged with each other by rotating the transport body 3 in the other direction (clockwise in FIG. 3) by manual operation. The transport body 3 is fixed to the leg body 2. That is, when the transport body 3 is rotated so as to be lifted about the rotation center axis X against the weight of the transport body 3, the inclined surface 23a of the hook 23 comes into contact with the upper surface of the hook receiving member 22, and the hook 23 rotates against the bias of the compression spring 29. When the inclined surface 23a of the hook 23 is separated from the upper surface of the hook receiving member 22, the hook 23 is rotated by the urging force of the compression spring 29, and the hook receiving member 22 enters into the concave groove portion 23b of the hook 23 so that the hook 23 Is locked. The concave groove 23b of the hook 23 has an arc shape centered on the rotation center of the hook 23. In addition, the center of the concave groove 23b is shifted from a position directly below the rotation center of the hook 23.

  When the transport device 1 is not used, the operation of the operating body 31 releases the engagement between the hook receiving member 22 and the hook 23, and the release of this engagement releases the fixing of the used transport body 3 to the leg 2. The That is, when releasing the transport body 3 in use from the leg 2, the operation bodies 31 of the two fixing operation means 21 are each operated by gripping the ball, and the lever receiving portion 17 of the transport body 3 is operated. The concave portion 30 of the lever member 25 is hooked on the edge facing the hole 18 and the hook receiving member 22 is taken out from the concave groove portion 23b of the hook 23 to bring the hook 23 into the unlocked state. When the operating body 31 is operated in this manner and the two hooks 23 are switched to the unlocked state, the transport body 3 is rotated in one direction (counterclockwise in FIG. 3) by the weight of the transport body 3 and buffered. It comes into contact with the means 10 and enters an inclined non-use state. In addition, since the contact state of the conveyance body 3 and the buffer means 10 is maintained by the dead weight of the conveyance body 3 and the conveyance body 3 is held in an inclined non-use state, the conveyance body when the conveyance device 1 is moved or the like. 3 fluttering is prevented.

  Then, as shown in FIG. 5 and FIG. 6, the plurality of transport apparatuses 1 are moved back and forth by causing the transport bodies 3 standing in an inclined state to slightly approach each other in the left-right direction that is the transport direction. It is possible to overlap in the direction. In other words, the plurality of transfer apparatuses 1 can be nested in the front-rear direction.

  5 and 6 show a state in which, for example, the three transport apparatuses 1 are nested while being slightly shifted left and right. Further, as is clear from FIG. 5, in the vicinity of the lower end portion of the rising portion 9 of the leg portion 5 of the leg 2, when the plurality of transport devices 1 are overlapped, the transport body 3 of one transport device 1 and the other A buffering means 20 for absorbing an impact between the legs 2 of the transport device 1, for example, a buffer material made of a rubber plate or the like, is provided.

  Next, the operation and the like of the transfer device 1 will be described.

  When transporting an object to be transported using the transport device 1, the transport body 3 is horizontally moved by rotating the transport body 3 around the rotation center axis X against the weight of the transport body 3. To the state of use. When the transport body 3 is in a horizontal use state, the lock by the fixing operation means 21 is automatically applied, and the hook receiving member 22 and the hook 23 are engaged. 2 is fixed.

  Further, when storing a plurality of transport apparatuses 1 in a predetermined storage space when not in use, the operation body 31 is operated to release the engagement between the hook receiving member 22 and the hook 23 and to make the transport body 3 tilted. As shown in FIGS. 5 and 6, a plurality of transfer apparatuses 1 are nested back and forth by moving other transfer apparatuses 1 closer to one transfer apparatus 1 using casters 8 as shown in FIGS. 5 and 6. To do.

  As described above, according to the transport device 1, a plurality of transport devices 1 can be overlapped by shifting the unused transport bodies 3 in the transport direction so as to face each other close to each other. 1 can be stored in a space efficient manner, and the configuration can be simplified by reducing the number of parts, and the weight can be reduced.

  Further, since the transporting body 3 in use can be reliably fixed to the leg 2 by the plurality of fixing operation means 21, the transported object 3 can be transported stably by the transporting body 3 in use.

  Furthermore, when the fixing by the fixing operation means 21 is released, the transport body 2 is rotated in one direction by its own weight and becomes in an unusable state, so that the transport body 3 can be easily unusable.

  In addition, since the shock between the transport body 3 and the leg body 2 can be absorbed by the buffer means 10, damage to the leg body 2 and the transport body 3 can be prevented, and durability can be improved. .

  Further, since the transport body 3 is brought into contact with the leg body 2 via the buffer means 10 by its own weight and held in an inclined non-use state, the non-use state when the transport device 1 is moved or the like is maintained. Flapping of the transport body 3 can be prevented.

  Note that the leg 2 is not limited to a substantially H-shape in plan view, and may be any shape as long as it can nest a plurality of transfer apparatuses 1. For example, as shown in FIG. It may be a substantially C-shape.

  In addition to the roller type that conveys the object to be conveyed with a rotatable roller, the conveyance body 3 may be, for example, one that conveys the object to be conveyed with an endless belt.

It is a side view which shows one Embodiment of the conveying apparatus of this invention. It is a front view of a conveyance apparatus same as the above. It is a front view of the fixing operation means of a conveyance apparatus same as the above. It is operation | movement explanatory drawing of the operation body of a fixed operation means same as the above. It is a side view of the state which piled up the same conveying apparatus same as the above. It is a top view of the leg part of a conveyance apparatus same as the above. It is a top view of the leg part of other embodiments of the present invention.

Explanation of symbols

1 Conveying device 2 Leg body 3 Conveying body
10 Buffering means
21 Fixing operation means
22 Hook receiving member as one engaging body
23 Hook as the other engagement body
31 Operation body

Claims (5)

Legs and
A carrier that is provided on the leg so as to be pivotable in the vertical direction, is in a non-use state by turning in one direction, and is in a use state by turning in another direction;
Fixing operation means for fixing the carrier in use to the leg and releasing the fixing;
A transport apparatus characterized in that a plurality of transport bodies in a non-use state can be overlapped with each other in close proximity to each other. The fixing operation means is
An operating body;
One engaging body provided on the leg,
Having one engagement body provided on the transport body and the other engagement body engaging and disengaging,
The one engaging body and the other engaging body are engaged with each other by rotation in the other direction of the conveying body, and the conveying body in use is fixed to the leg body by this engagement,
The engagement between the one engagement body and the other engagement body is released by the operation of the operation body, and the release of the engagement releases the fixation of the transporting body in use with respect to the leg body. The conveying device according to claim 1. The conveyance device according to claim 1 or 2, wherein the conveyance body is rotated in one direction by its own weight and is not used. The transport apparatus according to claim 3, further comprising a buffer unit that absorbs an impact between the transport body and the leg when the transport body is rotated in one direction by its own weight. The conveyance device according to claim 3, wherein the conveyance body is held in an inclined non-use state by its own weight.

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