JP5729151B2 - Container transport device and container lifting device - Google Patents

Description

  The present invention relates to a container transport device, and more particularly, to a container transport device suitable for transporting a pot in a rice cooking facility.

  Conventionally, a rice cooker conveyance device in a rice cooking facility is known. This type of transport device is provided with a pair of holding claws in a holding device, supports the bowl portion of the rice cooker from below with the pair of holding claws, and lifts and conveys the rice cooker (see Patent Document 1). reference.).

  According to the transport device described in Patent Document 1, a pair of holding claws are moved between a support position below the hook portion of the hook and a retracted position from below the hook portion by an air cylinder in accordance with the timing when the holding device moves up and down. Move horizontally.

  However, the transport apparatus requires a large space in the horizontal direction in order to move the pair of holding claws to the retracted position, and the apparatus becomes large. In addition, the transfer device requires a drive source for driving the pair of holding claws, such as an air cylinder, wiring for driving the air cylinder, and piping, and controls the driving of the pair of holding claws. The device becomes complicated.

Japanese Unexamined Patent Publication No. 2011-19869

  Therefore, the present invention does not require a new horizontal space when the pair of holding claws that support the collar portion of the container from below is retracted from below the collar portion of the container, and the pair of retaining claws An object of the present invention is to provide a container transport device including a container lifting device that does not require a drive source for driving the container.

In order to achieve the above object, the present invention provides a container transport device comprising a container lifting device having a holding device having a pair of holding portions that support the flange portion of the container, and an elevating device that raises and lowers the holding device. The pair of holding portions in the holding device includes a frame having a long groove extending in the vertical direction, an engagement piece provided on one side of the long groove, a guide pin provided on the other side of the long groove, and a pair of A rotary piece having a recess; a support pin provided below the rotary piece; and a contact portion formed above the support pin and contacting the upper surface of the flange portion of the container. By disposing the shaft in the long groove of the frame so as to be movable up and down, the rotating piece can be rotated by abutting against the guide pin of the frame and arranged in a state of being biased downward with respect to the frame. And a holding claw that is pivotally supported about a horizontal axis below an engagement piece provided on the frame and is supported on a lower surface by a support pin provided on the sliding member. The pair of holding claws are fixed in a state in which a recess formed in the rotary piece is engaged with an upper portion of the engagement piece so as to extend opposite to the lower part of the flange portion of the container, and the rotation claw The top is retreated from the lower part of the flange portion of the container by lowering relatively along the engagement piece.
Here, the long groove extending in the vertical direction formed in the frame includes a long hole and a groove-like depression.

  In the present invention, each holding portion includes a pair of the frame and the sliding member, and the holding claws are pivotally supported around a horizontal axis with respect to opposing surfaces of the pair of frames. Is preferred.

  In the present invention, it is preferable that the holding claw has a guide frame that slides a support pin of the sliding member that supports the lower surface of the holding claw while being in contact with the lower surface of the holding claw.

  In the present invention, the container is preferably a pot in a rice cooking facility.

The present invention relates to a container lifting apparatus comprising a holding device having a pair of holding portions that support the flange portion of the container, and an elevating device that raises and lowers the holding device, wherein each of the pair of holding portions in the holding device includes: A frame having a long groove extending in the vertical direction, an engagement piece provided on one side of the long groove, a guide pin provided on the other side of the long groove, a rotary piece having a pair of recesses, and provided below the rotary piece A support pin that is formed above the support pin and abuts against the upper surface of the flange portion of the container, and the rotational support shaft of the rotary piece is disposed in the long groove of the frame so as to be movable up and down. By doing so, the rotating piece can be rotated by contact with the guide pin of the frame, and a sliding member arranged in a state of being biased downward with respect to the frame,
A holding claw pivotally supported about a horizontal axis below an engagement piece provided on the frame and supported on a lower surface by a support pin provided on the sliding member, and the pair of holding claws Is fixed in a state where the concave portion formed in the rotating piece is engaged with the upper portion of the engaging piece so as to extend below the flange of the container, and the rotating piece is fixed to the engaging piece. The container is retracted from the lower part of the buttock of the container by relatively descending along the bottom.
Here, the long groove extending in the vertical direction formed in the frame includes a long hole and a groove-like depression.

  According to the present invention, the pair of holding claws in each holding portion of the holding device is pivotally supported around the horizontal axis below the engagement piece provided on the frame, and is supported on the support pin provided on the sliding member. Since the lower surface is supported, the pair of holding claws can be swung in the plane facing the container, and a new horizontal space for retracting the pair of holding claws from below the buttock of the container is provided. do not need.

According to the present invention, the pair of holding claws in each holding part of the holding device extends opposite to the lower part of the buttock of the container by engaging the recess formed in the rotating piece with the upper part of the engaging piece. Since the rotating piece is relatively lowered along the engaging piece and retreats from below the flange of the container, the pair of holding claws are moved along with the raising / lowering operation of the holding device by the lifting device. Can be automatically operated, and a drive source for driving the pair of holding claws is not required.
Moreover, according to this invention, it becomes possible to attach or detach a container instantly with the raising / lowering operation | movement of the said holding | maintenance apparatus, and can shorten work time.

  In the present invention, each holding portion includes a pair of the frame and the sliding member, and the holding claws are pivotally supported around a horizontal axis with respect to opposing surfaces of the pair of frames. Then, a heavy container can be lifted by the holding claw.

  According to the present invention, each holding claw has a guide frame that slides the support pin of the sliding member that contacts the lower surface of the holding claw in a state of contacting the lower surface of the holding claw. The holding claw can be stably operated.

  The present invention can prevent the rice cooking facility from becoming large and complicated if the container is a kettle in the rice cooking facility.

The perspective view of a rice cooking facility. The front view of a rice cooking facility. The side view of rice cooking equipment. The perspective view of a holding | maintenance part. The disassembled perspective view of a holding | maintenance part. The operation state explanatory view of a holding device. The operation state explanatory view of a holding device. Operation | movement explanatory drawing of a holding | maintenance part. It is operation | movement explanatory drawing in a holding | maintenance part cross section, Comprising: AA sectional drawing of FIG. Operation | movement explanatory drawing of a holding | maintenance part. It is operation | movement explanatory drawing in a holding | maintenance part cross section, Comprising: AA sectional drawing of FIG. Operation | movement explanatory drawing of a holding | maintenance part. It is operation | movement explanatory drawing in a holding | maintenance part cross section, Comprising: AA sectional drawing of FIG. Operation | movement explanatory drawing of a holding | maintenance part. It is operation | movement explanatory drawing in a holding | maintenance part cross section, Comprising: AA sectional drawing of FIG.

Embodiments of the present invention will be described with reference to the drawings.
1 to 3 show an example of a rice cooking facility, where FIG. 1 is an overall perspective view of the rice cooking facility, FIG. 2 is a front view of the rice cooking facility, and FIG. 3 is a side view of the rice cooking facility.

The rice cooking facility 1 shown in FIGS. 1 to 3 includes two rice cooking units 2a and 2b arranged in series.
Each of the rice cooking units 2a and 2b includes two rice cooking units 3a to 3d, and a plurality of support pins 4 that support the bowl 5a of the pot 5 are implanted around each of the rice cooking units 3a to 3d. .

On the other hand, the rice cooking equipment 1 conveys the pot 5 before cooking from the pot transfer section 6 to each of the rice cooking sections 3a to 3d, and transfers the pot 5 after cooking from the respective rice cooking sections 3a to 3d to the pot transfer section 6. It is provided with a transport device 7 for transporting to the head.
The conveying device 7 includes an electric conveying cart 8 and travels on the rice cooking units 2 a and 2 b arranged in series along a rail 10 arranged on the upper part of the entire frame 9.
The transfer device 7 includes an air cylinder 11a mounted on the transfer carriage 8 and a lifting rod 11b that moves up and down by the operation of the air cylinder 11a, and a holding device 12 that is attached to the lower portion of the lifting rod 11b. Move up and down.

The holding device 12 includes a beam portion 13 fixed to the lower portion of the elevating rod 11b, and a pair of holding portions 14 and 14 having the same structure provided at both left and right ends of the beam portion 13.
Then, the pair of holding parts 14 and 14 are simultaneously lifted and lowered by the action of the air cylinder 11a, lift the pot 5 from the pot delivery section 6 or the rice cooking sections 3a to 3d, and use the lifted pot 5 to the rice cooking section 3a. To 3d or down to the hook delivery section 6.

Next, the structure of the pair of holding portions 14 and 14 in the holding device 12 will be described.
4 and 5 show one holding portion viewed from the side holding the hook. FIG. 4 is a perspective view of the holding portion, and FIG. 5 is an exploded perspective view of the holding portion. As described above, since the pair of holding portions 14 and 14 have the same structure, only one holding portion 14 will be described here.

  4 and 5 are guided so as to be slidable in the vertical direction with respect to a pair of frames 20a and 20b arranged opposite to each other and the opposing surfaces of the pair of frames 20a and 20b. The pair of sliding plates 40a, 40b disposed in a state of being biased downward with respect to the frames 20a, 20b and the upper portions of the pair of frames 20a, 20b are coupled and fixed to the beam portion 13. And a holding claw 80 that is pivotally supported about the horizontal axis with respect to the opposing surfaces of the pair of frames 20a and 20b.

  Each of the frames 20a and 20b is formed with elongated holes 21a and 21b extending in the vertical direction, and is engaged with one side of the elongated holes 21a and 21b on each facing surface of the pair of frames 20a and 20b. The pieces 22a and 22b are fixed, and guide pins 23a and 23b are fixed to the other upper portions of the long holes 21a and 21b.

  In addition, below the opposing surfaces of the pair of frames 20a and 20b, the sliding plates 40a and 40b are guided so as to be vertically slidable with respect to the opposing surfaces of the pair of frames 20a and 20b. A pair of guide plates 24a, 25a, 24b, and 25b that regulate the lower positions of the sliding plates 40a and 40b with respect to the frames 20a and 20b are fixed.

  Further, flanges 26a and 26b are provided on the upper portions of the respective frames 20a and 20b, and rods 48a and 48b, which will be described later, provided integrally with the sliding plates 40a and 40b are inserted into the flanges 26a and 26b, Holes 27a and 27b for guiding the rods 48a and 48b in the vertical direction are formed.

  Pins 41a and 41b are fixed to the sliding plates 40a and 40b so as to be movable up and down with respect to the long holes 21a and 21b of the frames 20a and 20b. The pins 41a and 41b are opposed to the pins 41a and 41b, respectively. Rotating pieces 42a and 42b formed with a pair of flat surfaces and a pair of recesses are rotatably attached.

  Further, guide portions 43a, 43b guided by the guide plates 24a, 25a, 24b, 25b fixed to the respective frames 20a, 20b are provided below the rotary pieces 42a, 42b in the respective slide plates 40a, 40b. Is formed.

The upper portions of the guide portions 43a and 43b are in contact with the guide plates 24a, 25a, 24b and 25b of the frames 20a and 20b, and restrict the lower positions of the slide plates 40a and 40b with respect to the frames 20a and 20b. Restricting portions 44a and 44b are provided.
Further, support pins 45a and 45b that are in contact with the lower surface of the holding claws 80 and support the holding claws 80 from below are fixed to the lower portions of the guide portions 43a and 43b.

  The sliding plates 40a and 40b are provided with contact portions 46a and 46b that are in contact with the upper surface of the hook 5a of the hook 5 on the side above the support pins 45a and 45b and facing the hook 5, respectively. .

  The sliding plates 40a and 40b are provided with flanges 47a and 47b at the upper portions, and rods 48a and 48b that are integrally fixed to the sliding plates 40a and 40b and extend upward are inserted into the flanges 47a and 47b. Holes 49a and 49b are formed.

The sliding plates 40a and 40b insert the rods 48a and 48b into holes 27a and 27b formed in the flanges 26a and 26b of the frames 20a and 20b, and the rods 48a and 48b Coil springs 50a and 50b are fitted between the upper surfaces of the flanges 47a and 47b of the sliding plates 40a and 40b and the lower surfaces of the flanges 26a and 26b of the frames 20a and 20b, so that the frames 20a and 20b are attached downward. It is in a state to be energized.
Here, in order to prevent the rods 48a and 48b from dropping out from the holes 27a and 27b of the flanges 26a and 26b, the size of the rods 48a and 48b does not pass through the holes 27a and 27b. Heads 51a and 51b are attached.

The holding claw 80 is pivotally supported on one side edge opposite to the side holding the hook 5 so as to be rotatable about a horizontal axis with respect to the opposing surfaces of the pair of frames 20a and 20b. A rotating shaft 81 is provided.
A guide frame 82 for sliding the support pins 45a and 45b provided on the sliding plates 40a and 40b in contact with the lower surface of the holding claw 80 on the lower surface of the holding claw 80. Are provided as a pair.
Further, a holding piece 83 having a holding surface that follows the shape of the hook 5 is fixed to the upper surface of the holding claw 80.

  The holding claw 80 is rotated about the horizontal axis with respect to the opposing surfaces of the frames 20a and 20b below the engaging pieces 22a and 22b provided on the frames 20a and 20b by the rotating shaft 81. The lower surface is supported by the support pins 45a and 45b so as to rotate about the rotation shaft 81.

Next, operation | movement of the said holding | maintenance part 14 when the said holding | maintenance apparatus 12 lifts the hook 5 of the rice cooking equipment 1 and lowers the raised hook 5 is demonstrated.
6 and 7 are side views of the rice cooking facility, and are explanatory diagrams of the operating state of the holding device in the transport device. 8, 10, 12, and 14 are operation explanatory views of one holding portion in the holding device, and are views of the holding portion as viewed from the side that holds the shuttle, FIGS. 9, 11, and 11. 13 and 15 show AA cross-sectional views of FIGS. 8, 10, 12 and 14, respectively.

<When lifting the hook>
FIG. 6 shows a state in which the holding device 12 is positioned above the rice cooking units 3 a to 3 d and does not hold the pot 5.
At this time, as shown in FIG. 8 and FIG. 9, the holding portion 14 has a side surface of the engaging piece 22a fixed to the frame 20a with one plane of the rotary piece 42a attached to the sliding plate 40a. It is in the state located in. Therefore, the sliding plate 40a is lowered with respect to the frame 20a by the action of the coil spring 50a until the restricting portion 44a provided on the guide portion 43a contacts the guide plates 24a and 25a of the frame 20a. The holding claw 80, the lower surface of which is supported by a support pin 45a fixed to the guide portion 43a, is in a state of being retracted from a position corresponding to the hook 5a of the shuttle 5.

FIG. 7 shows a state where the holding device 12 is lowered together with the lifting rod 11b by the operation of the air cylinder 11a.
When the holding device 12 is lowered, first, as shown in FIGS. 10 and 11, the contact portion 46 a of the sliding plate 40 a contacts the upper surface of the hook 5 a of the hook 5. When the holding device 12 is subsequently lowered, the frame 20a is lowered with respect to the sliding plate 40a against the urging force of the coil spring 50a. At this time, since the lower surface of the holding claw 80 is supported by the support pin 45a, the holding claw 80 rotates upward about the rotation shaft 81 below the hook 5a of the hook 5.

  When the holding device 12 is further lowered, the concave portion located on the upper side of the rotary piece 42a comes into contact with the guide pin 23a fixed to the frame 20a, and the rotary piece 42a rotates in the clockwise direction in the figure centering on the pin 41a. Slightly rotates. At this time, the holding claw 80 is slightly upward from the horizontal below the hook 5a of the hook 5 by the support of the support pin 45a.

When the holding device 12 is raised from the state shown in FIGS. 10 and 11, first, the frame 20a rises with respect to the sliding plate 40a due to the urging force of the coil spring 50a, as shown in FIGS. As described above, the lower concave portion of the rotating piece 42a is engaged with the upper portion of the engaging piece 22a, and the relative position of the frame 20a and the sliding plate 40a is fixed. At this time, the holding claw 80 is supported by the support pin 45a and extends horizontally below the hook 5a of the hook 5.
When the holding device 12 is subsequently raised, the abutting portion 46a of the sliding plate 40a moves away from the upper surface of the hook 5a of the hook 5 and the pair of holding claws 80, 80 facing each other are raised. 5a is supported from below, and the hook 5 is lifted as shown in FIG.

<When unloading the pot>
On the other hand, when lowering the hook 5 from the state of FIG. 3, first, the holding device 12 is lowered together with the lifting rod 11b by the operation of the air cylinder 11a, and the hook 5a of the hook 5 is seated on the support pin 4.
When the holding device 12 is subsequently lowered, the pair of holding claws 80, 80 move away from the lower surface of the hook 5a of the hook 5, and the contact portion 46a of the sliding plate 40a comes into contact with the upper surface of the hook 5a of the hook 5.

  When the holding device 12 is further lowered, the frame 20a is lowered with respect to the sliding plate 40a against the urging force of the coil spring 50a, and as shown in FIGS. An upper plane is in contact with the guide pin 23a, and the rotary piece 42a is slightly rotated clockwise around the pin 41a. At this time, since the lower surface of the holding claw 80 is supported by the support pin 45a, the holding claw 80 is rotated upward around the rotation shaft 81 below the hook 5a of the hook 5 to be horizontal. It will be in a slightly upward state.

When the holding device 12 is lifted from this state, first, the frame 20a is lifted with respect to the sliding plate 40a due to the biasing force of the coil spring 50a. At this time, the rotating piece 42a is different from FIG. The other flat surface is located on the side of the engagement piece 22a. And since the lower surface of the holding claw 80 is supported by the support pin 45a, the holding claw 80 rotates downward about the rotation shaft 81 below the hook 5a of the hook 5.
When the holding device 12 is subsequently raised, as shown in FIG. 9, the frame 20 a rises to the maximum with respect to the sliding plate 40 a, and then the abutting portion 46 a of the sliding plate 40 a becomes the hook 5 of the hook 5. 5a Moves upward from the upper surface. At this time, the holding claw 80 is retracted from a position corresponding to the hook 5a of the hook 5, and rises without contacting the hook 5a of the hook 5.

  According to the above-described embodiment, the pair of holding claws 80 and 80 are pivotally supported by the pivot shaft 81 so as to be rotatable around the horizontal axis below the engagement pieces 22a and 22b provided on the frames 20a and 20b. Since the lower surface is supported by the support pins 45 a and 45 b provided on the sliding plates 40 a and 40 b, the holding unit 14 of the holding device 12 allows the pair of holding claws 80 and 80 to face the shuttle 5. And a new horizontal space for retracting the pair of holding claws is not required.

According to the above-described embodiment, the pair of holding claws 80, 80 are arranged below the hook 5 a of the hook 5 by engaging the recesses formed in the rotary pieces 42 a, 42 b with the upper portions of the engagement pieces 22 a, 22 b. A structure in which the rotary pieces 42a and 42b are fixed in a state of extending horizontally facing each other and retreat from the lower side of the hook portion 5a of the shuttle 5 by relatively lowering along the engaging pieces 22a and 22b. Therefore, the holding unit 14 of the holding device 12 can automatically operate the pair of holding claws 80 and 80 as the holding device 12 moves up and down, and drives the pair of holding claws 80 and 80. No drive source is needed.
Moreover, according to the said embodiment, it becomes possible to attach and detach the pot 5 instantaneously, and the working time of the rice cooking equipment 1 can be shortened.

  In the above embodiment, the guide frame 82 is provided on the lower surface of the holding claw 80, and the support pin 45 a provided on the sliding plate 40 a is in contact with the lower surface of the holding claw 80 in the guide frame 82. Slide. Therefore, the holding claw 80 can always rotate in a stable state.

  In the above embodiment, the holding claw 80 has a holding piece 83 having a holding surface that follows the shape of the hook 5 on the upper surface of the holding claw 80, and the holding claw 80 holds the hook 5 by the holding piece 83. Therefore, the holding claw 80 can lift and move the hook 5 in a stable state at all times.

  In the said embodiment, since the holding | maintenance apparatus 12 comprises a part of conveying apparatus 7 in the rice cooking equipment 1, while being able to prevent the enlargement and complication of the rice cooking equipment 1, it can reduce the drive component of the holding | maintenance part 14. can do.

  In the above embodiment, the frames 20a and 20b are provided with the long holes 21a and 21b extending in the vertical direction. However, if the pin 41a that rotatably supports the rotary piece 42a can be arranged to be movable up and down. For example, it may be a groove-like depression extending in the vertical direction of the frame, and does not need to penetrate.

  In the above embodiment, the pot conveying device in the rice cooking facility has been described as an example. It is not limited.

  In the above-described embodiment, the holding device has been described as an example that constitutes a part of the transport device. However, as long as at least the container is lifted and the lifted container is lowered, the holding device is lifted and lowered with the device. As the lifting device, it is possible to use a part of another device or a single device.

  Needless to say, the configuration of the container transport device of the present invention is not limited to the above embodiment, and the configuration thereof can be changed as appropriate without departing from the scope of the present invention.

  The container transport device of the present invention does not require a new horizontal space for retracting the pair of holding claws, and does not require a drive source for driving the pair of claws. Moreover, it can save labor and is practically advantageous.

DESCRIPTION OF SYMBOLS 1 Rice-cooking equipment 2 Rice-cooking unit 3 Rice-cooking part 4 Support pin 5 Pot 5a Hook part 6 Pot delivery part 7 Conveyor 11a Air cylinder 11b Lifting rod 12 Holding device 13 Beam part 14 Holding part 20 Frame 21 Long hole 22 Engagement piece 23 Pin 24 Guide plate 25 Guide plate 26 Flange 40 Slide plate 41 Pin 42 Rotation top 43 Guide portion 44 Restriction portion 45 Support pin 46 Contact portion 47 Flange 48 Rod 50 Coil spring 60 Connecting piece 80 Holding claw 81 Rotating shaft 82 Guide frame 83 Holding piece

Claims (5)

A holding device having a pair of holding portions for supporting the flange portion of the container;
A lifting device for lifting and lowering the holding device;
In a container transport device comprising a container lifting device having
Each of the pair of holding portions in the holding device is
A frame having a long groove extending in the vertical direction, an engagement piece provided on one side of the long groove, and a guide pin provided on the other upper side of the long groove;
A rotary piece having a pair of recesses, a support pin provided below the rotary piece, a contact portion formed above the support pin and coming into contact with the upper surface of the flange portion of the container, The rotating support shaft is arranged in the long groove of the frame so as to be movable up and down, so that the rotating piece can be rotated by contacting the guide pin of the frame and is urged downward with respect to the frame. A sliding member arranged in
A holding claw that is pivotally supported around a horizontal axis below an engagement piece provided on the frame and is supported on a lower surface by a support pin provided on the sliding member;
The pair of holding claws are fixed in a state in which a concave portion formed in the rotating piece is engaged with an upper portion of the engaging piece so as to extend below the flange portion of the container, and the rotating piece is fixed. The container transport device according to claim 1, wherein the container is retreated from the lower part of the flange of the container by relatively lowering along the engagement piece.   The said holding | maintenance part has respectively a pair of the said frame and the said sliding member, The said nail | claw is pivotally supported so that rotation to a periphery of a horizontal axis with respect to the opposing surface of a pair of said frame is possible. Container transport device.   The conveyance of the container according to claim 1 or 2, wherein the holding claw has a guide frame that slides a support pin of the sliding member that supports the lower surface of the holding claw in contact with the lower surface of the holding claw. apparatus.   The said container is a pot in a rice cooking facility, The container conveying apparatus as described in any one of Claims 1 thru | or 3. A holding device having a pair of holding portions for supporting the flange portion of the container;
A lifting device for lifting and lowering the holding device;
In a container lifting device comprising:
Each of the pair of holding portions in the holding device is
A frame having a long groove extending in the vertical direction, an engagement piece provided on one side of the long groove, and a guide pin provided on the other upper side of the long groove;
A rotary piece having a pair of recesses, a support pin provided below the rotary piece, a contact portion formed above the support pin and coming into contact with the upper surface of the flange portion of the container, The rotating support shaft is arranged in the long groove of the frame so as to be movable up and down, so that the rotating piece can be rotated by contacting the guide pin of the frame and is urged downward with respect to the frame. A sliding member arranged in
A holding claw that is pivotally supported around a horizontal axis below an engagement piece provided on the frame and is supported on a lower surface by a support pin provided on the sliding member;
The pair of holding claws are fixed in a state in which a concave portion formed in the rotating piece is engaged with an upper portion of the engaging piece so as to extend below the flange portion of the container, and the rotating piece is fixed. The container lifting device according to claim 1, wherein the container is retreated from the lower part of the flange of the container by relatively lowering along the engagement piece.

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