JPH04153115A - Roller conveyer - Google Patents

Abstract

PURPOSE:To reduce the number of load detecting devices in a roller conveyer for a pallet by dividing rollers into a group and further into zone, and operating a driving device with a signal of the load detecting devices which is provided in the lower group of two upstream edge zones, a downstream edge zone, and an intermediate zone. CONSTITUTION:The number of many rollers 20 of a roller conveyer 12 for the length of a pallet 37 is made one group, and rollers are divided into groups A to H. Further these two groups are made one zone to form zones I to IV. Besides, valve devices 70A to 70H are disposed in the respective groups A, B, E, F, G, H of the upstream edge zones III, IV and the downstream edge zone I, and downstream group C of the intermediate zone II respectively as a load detecting equipment. Moreover, a pair of switching devices 70g, 70h are provided in the zone IV of the upstream edge. Then transmitting device 40 is operated by a detecting signal of the respective valve devices 70A to 70H in the zones IV, III, II when there is no load in an adjacent lower zone.

Description

DETAILED DESCRIPTION OF THE INVENTION 3. Industrial Application Minute Hand The present invention relates to a roller conveyor on which a load is placed and which supports and conveys a T-pallet or a load body.

BACKGROUND OF THE INVENTION Conventionally, this type of roller conveyor, for example, 9i
! The structure found in Japanese Patent Publication No. 1-118905 is provided. This conventional 111If! is a group of idle rollers.

It has an 11-connection separable drive device for these idle loafs, and a check 7 that moves on these drive devices.

The idle roller group 1kti is divided into a plurality of groups in the feeding direction. A valve device is provided for each group to adjust the amount of vmm of the RK body excitation device in stock.

It constitutes an operating circuit that incorporates valve equipment and other components.

Problems to be Solved by the Invention According to the conventional method described above, a valve device is provided for each group corresponding to 1lliK of objects to be transported.

A large number of expensive valve devices are required during papermaking, especially when the objects to be conveyed are short and many groups are formed, and the number of such valve devices becomes quite large, and the control becomes complicated.

It is an object of the present invention to provide a roller conveyor in which the number of left-hand side detectors, such as valve arrangements, can be reduced.

III.Means for Solving Problems In order to achieve the above object, the roller roller conveyor of the present invention has the following features:
It has a group of rollers, a transmission device that can be connected to and separated from these rollers, and a drive body that moves on these transmission devices, and transports the group of loaves to be transported C11! Corresponding to I, it is divided into groups with multiple enemies, and divided into multiple zones according to multiple groups, and the two zones of the upstream plow and the zone at the downstream end are provided with a 1m detection zone for each group, and a group of fellow zones. A left detector is installed only in the lower group, respectively, and Zone I at the upstream and downstream ends sequentially feeds the objects to the lower group. All transported objects when empty? In order to transport the eel to a downstream location, a control circuit is provided to produce a transmission eel It based on the detection by the inventory detector.

According to the configuration of the present invention, in the zone circles at the upstream end and the downstream end, it is possible to sequentially feed the transported object pipes one by one depending on whether the object is inspected or not detected by the object presence detector provided in each group. and between each zone.

A plurality of objects, the maximum number of which corresponds to the number of groups, can be transported simultaneously. At this time, in the intermediate zone group, one presence detector is required for each group regardless of the number of devices, so it is provided in all groups.

In FIGS. 11 and 812, l is a shelf frame that connects a plurality of left and right front columns 2, a plurality of left and right rear columns 3, a front cross member 4 that connects the front columns 2, and a rear column 3. A rear injection member 5 that connects, and a front and rear member 6 that connects the front strut 2 and the rear strut 3.
Consists of etc. Supports 2.3 and each material 4 of this S frame l
A pair of left and right conveyors 10 are installed in the partitioned storage space 7, which is formed between
．． A loaf conveyor 12 consisting of
They are arranged horizontally with 3 as the depth direction. That is, the ninth factor is that, as shown in FIG. 10, the conveyor frame 14i of one conveyor 10 is formed into an i cross-sectional shape, and the rollers 2o made of W resin are attached to the conveyor frame 14 via a warped roller shaft 21. roller shaft 022
It can be freely rotated around. A guide tray A'23 is disposed over the entire length at one corner of the bottom of the conveyor frame 14, and this guide tray ~23 has a dovetail groove WL on the outside.
24, and a pair of guide parts 25 for earthworks.
．． It has 26. A plate-shaped nut body 27 is slidably fitted into the dovetail groove 24, and is passed through the conveyor frame 14 from the outside.
By combining #c and attaching #I, conveyor frame 1
4 can be fixed to Gai Tray A/23 warehouse. The Che 73o, which is an example of a driving body, is supported and guided by the upper guide W25 in its upper path and by the lower guide part 26 in its lower meridian. 111th chain 3o.

A guide sprocket 33 is disposed between a driving sprocket 31 and a driven sprocket 32, and the driving sprocket 311 is movably connected to a motor 34 (see FIG. 1). 35 indicates the conveyance path wrt'.

A load 36 is an example of an object to be transported, and is handled via a barre 37.

In the conveyor frame 14 between the loaf 20 and the guide tray & 230, there is the check 73oKMmL.

In addition, the loaf 20 is provided with a transmission mechanism which can be freely connected and disconnected. In other words, resin support F? Reference numeral 141 includes a one-side support plate 42 that can be freely applied to the inner surface of the side plate of the conveyor frame 14 and fit into the upper part of the guide rail 23; A plate 44 connects the cover plate 43 and a receiver connecting the lower ends of these cover plates 43 and extending toward the other side.
The support plate 45 is integrated with the other end of the support plate 4 and is freely abuttable to the circular surface of the other side plate. Here, the plate 44 of the receiver can be freely placed on the bottom plate, and the main body 47 of the cylinder device 46, which is an actuating device using fluid, is integrally formed on the upper part of the plate 44. A pipe holding portion 48 is provided in the pipe holding portion 48 . *A bearing hole 49 is formed in the center of one support plate 42, and a loose fitting hole 50 is formed in the other support plate 45 opposite thereto. Nuts 51 are embedded and fixed in both the support plates 42 and 45.

II By fitting the port 52 passed through the conveyor frame 14 from the outside with the nut 51 and tightening it, the support frame 4
1 is fixed to the conveyor frame 14. IU cylinder device 46. The expandable and contractible rubber body 53 is attached to the main body 47.
It is configured by fitting it externally from above and then fixing it with a band 54 or the like. The support shaft 55 along the roller shaft 022 has one end fitted into the bearing hole 49 and the other end inserted into the loose fitting hole 50, so that the support shaft 55 can be rotated within a certain range using the bearing hole 49 as a fulcrum. It can freely swing up and down. This support shaft 55 has a check 730, which is an example of a passive wheel body.
A sprocket 56, which is always in a position U, is freely rotatably attached to the sprocket 56, and a transmission lobe 57 is externally fitted onto the boss portion of the sprocket 56, so that the two can rotate together. The transmission loaf 57 is made of urethane rubber, and its outer periphery is able to come into contact with and separate from the lower outer periphery of the loaf 20. And the nine cylinder rubber receiver 58 is installed on the other end side of the support shaft 55? By abutting the rubber body 53 from above,
The transmission loaf 57 is configured to be moved into contact with and away from the roller force from below by the operation of the cylinder device 46.

The above-described pairs of rollers 20 and transmission devices 40 are arranged every other pair, and an idle loaf 59 is disposed between each loaf 20 via a roller 60.

The conveyor frame 62 of the other conveyor 11 is also formed in a cross-sectional shape, and an idle loaf 63 made of resin is disposed through a loaf shaft 64.

Seven ring-shaped flanges 3g and 61.65 are attached to the roller 20 and the idle loaf 59.63 at intermediate positions thereof. These flanges 38, 61, 65 are formed with an outwardly inclined peripheral edge. At this time, the 7-way hinge 38 on one side is arranged so that the contact portion formed by the transmission lobe 57 is overlapped with the inner fIgK. Further, a cover 15 is connected from the upper end of one thin plate of one conveyor frame 14 to cover the above-mentioned abutting portion and reach close to the flange 38.

As described above, the roller conveyor 12 consisting of the pair of conveyors 10.11 is configured to transport the loaves 31tl in groups of six (plural) loaves corresponding to the length of one pallet 48 in the conveyance direction, as shown in FIG. 1, for example. 131cIl number crew 7", 5ji! In the example, 8 groups A, B.

C, D, E, F, G, H are arranged rL, further divide rk-de A-H into 2 groups ((I number groups))
I number of zones, 4 zones in the example 1.1° cliff, fft
is forming. Zone I at the downstream end (two zones at the upstream end, ff are for each group A, B, E, F
, G, H, a valve device 70A, which is an example of a stock detector,
70B, 70E, 70F, 70G, and 70Hk are provided, and in the intermediate zone 1 group, only the lower group C is provided with a valve device 70C, and furthermore, the upstream end zone IVK is provided with a pair of switching valve devices 70g and 70hl. Here, in zones ■ and ■ at the upstream end and the downstream end, the pallet 37 is sequentially fed one by one in this zone N, 1 circle, and in zone 1.1 in the middle and zone ■ at the upstream end. , adjacent lower zone 1.1. Valve device 7QA is used to transfer all (2 m) pallets 37 to the bottom when I is empty.

Control envelope 6 for actuating the transmission 40 based on the detected actions of 70B, 70C, 70E, 70F, 70G, 70H
9t- is provided.

That is, in zone I at the downstream end, one supply/discharge hose 71i connected in series with the cylinder device 46 is provided for each group A and B, and for each zone in the remaining zone 1M. And each supply/discharge hose 71 (i7, the above-mentioned valve devices 70A, 70B, 70C located on the upper side, respectively).

70E, 70G, the shuttle valve 72 located downstream, and the connecting valve 73 all interposed therebetween, can be selectively connected to and disconnected from the common air supply hose 75 from the air supply device 74. be. The valve devices 70A to 70H are mechanical pulps, and their upward operating rods 76 protrude above the conveying surface at the top of the most downstream loaf 2o in the corresponding group. The valve devices 70A to 70H are arranged so that the pallet 37 is absent and the supply/discharge hose 7 is placed on the upwardly protruding # of the operating rod 2G.
1 to the air supply hose 75.

Further, when the pallet 37 is present and pushed downward: Fi, the air supply hose 711 is operated to be separated from the one air supply hose 75. In zone l at the downstream end,
The connection between the valve device 70A and the F'r valve 72 in group AK - the valve 72 part in group B and the valve 72 part in group B are connected by the first connecting hose 77. ing. and shuttle valve 7 which falls on the intermediate zone quantity, l.
The second part is the downstream zone quantity, the valve device 70C in ■,
A second hose is connected to the connection hose 73 between 70B and shuttle valve 72.
It is connected via a contact number 778. Also from the best 2
Valve device 70g and shuttle valve 7 in the 1F zone amount
A third communication hose 79 and a fourth communication hose 80 are branched from the connection hose 73 with the connection hose 2. Third connection hose 79
The valve device 70F corresponding to the group F and the shuttle valve 81 of the switching valve device 70g @ are interposed, and the switching valve device 7 (Kl!) is connected to the switching valve device 7 (Kl!). BK)
H is interposed and connected to the switching valve device 70bK11. Further, both switching valve devices 70g and 70b are connected through a fifth communication hose 82, and the switching valve device 7Q
h and the Vyato ρ valve 72 are connected by the 6th jl connecting hole 783. The above-mentioned hoses, valve devices 70 to 83, etc. constitute the control circuit W&69. 85 indicates a stopper.

Next, in the Toki Example, the storage and transportation work of Grape 47? explain.

9 and 10, the air supply hose 75 is connected to the supply/discharge hose 71.
8M valve devices 70A, 70B, 70C, 70E,
70G k switching, cylinder device using air pressure 46
The expansion causes the support shaft 55t to swing upward, and the transmission loaf 57
i is shown pressed against the corresponding loaf 20 from below. At this time, the chino 30 is constantly driven by the motor 34, and therefore the sedge rocket 56 engaged with the chino 30 rotates around the support shaft 55. Furthermore, the transmission loaf 57 forcibly rotates the group of loaves 20 by contacting the lower portion of the outer circumference of the loaf 20. As a result, the pallet 37 on the conveyance meridian 35.

Roller 4 and idle roller 5 of both conveyors 10 and 11
9.63, and is conveyed along this conveyance meridian 35 while receiving the conveyance force due to the forced rotation of the four groups of loaves. At this time, the idle roller 59 is not driven.
The 63rd group performs follow-up rotation. Furthermore, since the pallet 37 is located between the 7 flange 38° 61 on one conveyor 10 and the 7 flange 65 on the other conveyor IIK, when the pallet 37 attempts to shift during conveyance, these 7 flange 3g, 61.65, and will never leave the hermitage.

Roller conveyor 12 consisting of a pair of conveyors 10.11
Basically, as described above, pallet 37 cargo 3
6 will be transported, but! i! k K is valve device 7
Conveyance control is performed based on whether the operating rods 76 of 0 to 70H detect or do not detect the pallet 37. That is, when the conveyance path 351 is empty, each valve device 70
Since the operating rods 76 of B, 70C, 70E, and 70G protrude without being detected, air from the air supply hose 75 is supplied to all the supply and discharge hoses 71 via these valve devices, and each y All groups A to H are activated by operating the Linda device 46.
All ID loaves are rotated over 20 km.

In addition, the valve devices 70F and 70B of the lll spear are operated by the operating rod 7.
6 is protruding without being detected, so each connection chamber -779
,80 are blocked. When this O-shaped cotton is unloaded from the pallet 37 to the group H at the upstream end by the forklift truck 8, the valve device 70H of the group HC) is operated by its operating rod 76.
is pushed down and performs WIRS operation, but since the valve device 70G of group G one downstream is not detected as described above, the forced rotation of this zone ■ is maintained, and therefore pallet 37t - from group H Transport to Group G.

When Palette 37 enters Group GK.

Since the operating rod 76 is pushed down and the group GO valve device 70G performs a dividing operation, and the sixth communication hose 83 is cut off, the group GFi becomes non-driven, so that the pallet 37 is moved to the group G will be stored in Then, after group HK (then valve valve) 37 t-m, it is pushed down by the valve device 70H of group H and connects, thereby connecting the switching valve device 70h and the sixth connecting hose 83t-
Since air pressure is supplied through the zone (K), the zone (2) is forcibly rotated. Therefore, the two pallets 37 in zone d are simultaneously transported to the zone quantity. In this way, the next pallet 37 is conveyed to the downstream side by the stopper 8.
5, it stops and is stored in zone ■.

This pallet 37t-sea 7112) valve device 70A, 7
When 0B detects and performs the disconnection operation, the air supply to the zone Io water supply/discharge space 71 is stopped, and at the same time, the water supply/discharge space 71 is opened, and the zone IO transmission device 40 is operated in isolation.

The next pallet 37 is similarly transported and stored in zone l. With this kind of work, all groups A~
Pallet 37'j-storage on H and all rollers 2
When the pallet 37 of group A is taken out by the forklift truck 8 as shown in FIG. 2 under the condition shown in FIG. A is driven, and group B is also driven via the first communication hole 777, so that the pallet 3 of group B is moved from the virtual 1 m in FIG.
Transport 7 to Group A. Then, when the pallet 37 of group A is removed, the valve device 70A of group A12) is detected and separated, and the valve device 70A of group A is deactivated. The apparatuses 70A and 70B are not detected and are engaged, thereby driving the 20 loaves in zone (3) as shown in FIG. At the same time, zone 1 is also driven via the second communication hose 78i, and as shown in FIG. 5 from the imaginary line in FIG.
simultaneously (-). Subsequently, in the same manner, as shown in FIG.
6, and the state shown in FIG. 6 is reached. At this time, in zone (2), the single-valve devices 70G and 70HFi are not detected.

Then, as shown in FIG. 7, by supplying a new pallet 37 on the group
The data is sequentially sent to the Fi group G and stored as shown in FIG.

In the embodiment described above, only one intermediate zone holder having only one valve device is shown, but the equivalent of this zonal holder is one in which multiple zones are arranged.

In the above embodiment, the loaf conveyor 12 was shown as consisting of a pair of conveyors 10 and 11, but this is a roller conveyor 12 that uses integral loaves in the left and right direction. There may be.

In the above embodiment, the roller conveyor 12i is installed in the shelf frame l, but it may also be installed on the floor.

Effects of the Invention According to the present invention having the configuration described in item 1, within the upstream end and downstream end zones, t-1 objects to be transported are sequentially transported 9 at a time based on detection or non-detection by the presence detectors provided in each group. I can,
Therefore, the conveyor can be carried in to the start end and carried out from the end end in a smooth manner.

Between each zone, multiple objects whose maximum number corresponds to the number of groups can be transported at the same time, and in that case, in the intermediate zone group, one object is detected regardless of the group OI. Since only one device is required, the number of expensive inventory detectors such as valve devices can be reduced, and control can also be simplified.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a schematic side view including the arrangement system, FIGS. 2 to 8 are schematic side views showing the tube in use, and FIG. FIG. 10 is a partially cutaway front view of the main part, FIG. 11 is a partially cutaway front view of the shelving equipment, and FIG. 12 is a side view of the same. l... Shelf frame, 7... Compartment storage space, 10.11...
- Conveyor, 12... Conveying device, 13... Conveying direction, 14... Conveyor frame, 20... Loaf, 2
3...Guide rail, 25°26...Guide part,
30... Cheno (driving body), 31... Drive sprocket, 32... Driven Sugerocket, 35... Conveyance meridian, 36... W (transported object), 37... Valve),
40... Transmission device, 41... Support frame, 46... Cylinder device (actuating device), 47... Main body, 49...
Bearing hole portion, 53...Rubber body. 55... Support shaft 256... Sprocket, 57...
Transmission loaf, 59... Idle loaf, 62... Conveyor frame, 69... Control circuit, 70A, 70B,
70C, 70E, 70F, 70G, 70H... Valve device (stock detector), 70g, 70h... Switching valve device, 71-... Water supply and drainage -7, 73... Connection hose, 7
5...Air supply water, 77.78.79.80.82.
83・Series J1) Naas.

Claims (1)

[Claims] 1. It has a group of rollers, a transmission device that can be connected to and separated from these rollers, and a drive body that moves to these transmission devices, and the group of rollers is divided into a number of groups corresponding to one object to be transported. The two zones at the upstream end and the zone at the downstream end are each equipped with an inventory detector, and the middle zone group is divided into multiple zones by multiple groups, and the intermediate zone group is equipped with a stock detector for each group. A load detector is installed, and in the upstream and downstream zones, the objects to be transported are sequentially sent to the lower group, and in the intermediate and upstream end zones, when the adjacent lower zone is empty, all the objects to be transported are sent to the lower group. A roller conveyor, characterized in that it is provided with a control circuit that operates a transmission device based on detection by a presence detector in order to convey the material to a container.