JP4155571B2 - Automatic supply and discharge device for pile truck - Google Patents

Description

The present invention relates to a pile device in which sheets discharged continuously from a rotary press are sequentially deposited on a pile carriage, and an empty carriage is replenished by an operator's hand. The present invention relates to a device that automatically pulls out a pile carriage on which a predetermined amount of sheets has been deposited from a pile device and automatically supplies an empty pile carriage to the pile device after the operation button is pulled into a standby position by pressing an operation button or the like. Hereinafter, a pile truck is described as a truck.

As described in Japanese Patent Application No. 2002-106147, this type of pile device P is shown in FIG.
There is something shown in. In the figure, reference numeral 1 denotes a cart with casters, and this cart 1 is detachably supported by a cart lifting / lowering device 3 provided at a position facing the conveyance terminal portion of the sheet conveying device 2. As a result, the sheet gradually descends from the ascending end position as the sheets are accumulated, and rapidly rises from the descending end position to the ascending end position. A comb bar 4 that temporarily receives the sheet W carried from the sheet conveying apparatus 2 is provided below the sheet conveying apparatus 2 so as to be able to be taken in and out.

The bogie lifting device 3 is provided with chains 5a, 5 provided to hang down on both sides of the hoisting path of the bogie 1.
b, support claws 6a, 6b which are provided opposite to the lower ends of the chains 5a, 5b and engage with and support the ends of the carriage 1, and sprockets 7a around which the chains 5a, 5b are wound. ,
7b. When the sprockets 7a and 7b are rotated synchronously by a driving device (not shown), the support claws 6a and 6b are moved up and down, and the carriage 1 supported thereby performs the operation as described above. It is like that. Weights 8a and 8b are connected to the other ends of the chains 5a and 5b, and the chains 5a and 5b are always urged in the upward direction.

In this pile apparatus P, an empty carriage 1 is carried into the pile apparatus in a state where the support claws 6a, 6b are lowered, and this is engaged with the support claws 6a, 6b. Rapidly rise to a predetermined height and start pile. In this state, when the sheet W is carried in from the sheet conveying apparatus 2, the carriage 1 is gradually lowered, and the sheets W are sequentially deposited thereon.

When the number of sheets W on the carriage 1 reaches a predetermined number, the comb bar 4 protrudes and the sheets W to be loaded into the pile device are temporarily deposited thereon, during which the carriage 1 is The caster is lowered until it touches the floor and can be removed from the pile device. Next, an empty cart 1 is placed in the pile device, and this is raised to a predetermined height by the cart lifting / lowering device 3. The comb bar 4 is pulled to deposit the sheet W on the cart 1. At the same time, the sheets W from the sheet carrying-in position 2 are sequentially deposited.

Further, as described in Japanese Patent Application No. 2002-106147, there is a conventional apparatus shown in FIGS. 7 to 9 as described above. In the figure, reference numeral 10 denotes an automatic cart supply device. The automatic cart supply device 10 is located on the side of the pile device P having the same configuration as the conventional one shown in FIG. Installed upstream in the insertion direction. The carriage insertion direction is perpendicular to the loading direction of the sheet insertion apparatus 2 with respect to the pile apparatus P.

The automatic cart supply device 10 includes a standby unit 11 having a dimension slightly longer than the dimension L in the insertion direction of the cart 1 with respect to the cart set position of the pile device P, and a cart rack device 12 provided on the upstream side of the standby unit 11. And a cart supply device 13.

The cart rack device 12 includes first and second cart racks 12 in series in the insertion direction of the cart 1.
a, 12b. The two truck racks 12a and 12b have the same configuration, and the first rack device 12a closer to the pile device P will be described below.

A pair of chain shelves 14a and 14b are provided on both sides of the carriage 1 in the insertion direction. Each chain shelf 14a, 14b has the same configuration on both sides, as shown in FIG.
Two loop chains 15a and 15b which are long in the vertical direction and are provided apart from each other in the cart insertion / extraction direction.
In addition, the entire circumference of each loop chain 15a, 15b consists of a number of support claws 16 attached at intervals slightly wider than the height of the carriage 1. As shown in FIG. 8, the support claws 16 are opposed to each other inside the chain shelves 14a and 14b.
The carriage 1 is inserted and supported from the carriage insertion direction on the opposing support claws 16 and 16 of 14b. The claws 16 and 16 attached to the two loop chains 15a and 15b may be attached to the loop chains 15a and 15b as a unit.

The pair of chain shelves 14a and 14b are configured so that the support claws 16 and 16 are continuously moved upward and downward in synchronization with each other, and intermittently at each stage of the support claws 16 and 16, respectively. Thus, the loop chains 15a and 15b are operated by a driving device 17 controlled and driven by a control device (not shown).

Further, the first and second cart racks 12a and 12b are operated in synchronism and individually so as to be at the same level for each stage.

The cart 1 inserted into the cart rack device 12 has four casters 1 that roll in the insertion direction.
8, and on the lower side of the base member, the downstream side push plate 19 is located at the center in the width direction of the downstream end in the loading / unloading direction, and the upstream side push plate 20 a on both sides in the width direction at the upstream side end. 20b is provided.

The cart supply device 13 is provided below the cart rack device 12. And this trolley | bogie supply apparatus 13 is the trolley | bogie 1 in the lowest stage in the 1st trolley | bogie rack 12a near the pile apparatus P.
The first supply device 13a that pushes out the standby unit 11 and the second cart from the bottom of the second cart rack 12b far from the pile device P, the second cart from the bottom of the cart rack 12a on the downstream side. The second supply device 13b is pushed out to the rack position.

The first supply device 13a is composed of a single cylinder device 21 installed at the bottom of the cart rack device 12, and the piston rod 21a of the first supply device 13a is at the lowermost stage of the first cart rack 12a. It faces the inner surface. A magnet 21b is attached to the tip of the piston rod 21a, and this magnet 21b is attracted to the downstream push plate 19 by magnetic force.

The second supply device 13b is composed of two cylinder devices 22 installed at the position of the second tier from the lowest tier of the second trolley rack 12b, and the tip of each piston rod 22a, 22a is the second trolley rack. Upstream push plates 20a, 20b of the carriage 1 in the second stage from the lowest stage of 12b
It faces the outer surface.

On the floor surface of the pile device P, a first positioning which engages with the caster 18 of the carriage 1 inserted at a fixed position in the pile device P and has a predetermined resistance to the movement in the insertion / extraction direction. A member 23 is provided.

Further, the floor surface of the standby unit 11 is engaged with the caster 18 of the carriage 1 inserted at a fixed position in the standby unit 11 and has a predetermined resistance against the movement in the insertion / extraction direction. Two positioning members 24 are provided.

The attracting force of the magnet 21b provided at the tip of the piston rod 21a of the cylinder device 21 of the first supply device 13a is smaller than the resistance force of the second positioning member 24, and the carriage 1 is moved by the positioning member 24. In the shortening operation of the cylinder device 21 in the positioned state, the magnet 21 b is separated from the downstream side push plate 19 of the carriage 1.

The fixed position of the carriage 1 in the pile device P is a position where the carriage 1 inserted into the pile device P enters the lifting path by the chains 5a and 5b. As shown in FIG. 7, the fixed position means that both ends in the insertion direction of the carriage 1 at this position are a predetermined gap L2 between the carriage 1 in the pile device P and the carriage 1 in the carriage rack device 12, respectively. This is the position where L3 is open.

In the above configuration, the carriage 1 is supplied to the carriage rack device 12 from the upstream side in the insertion direction by sequentially supplying the carriage 1 manually into the rack shelves 14a and 14b of the second rack device 12b. Then, the second-stage cart 1 from the lowest stage of the second rack device 12b is pushed over L4 by the second supply device 13b and pushed out from the lowest stage of the first rack device 12a to the second-stage position. Next, the second rack device 12b is moved downward by one step, and the first rack device 12a is moved upward by one step to perform the above operation. By sequentially performing this operation, the cart 1 supplied into the second rack device 12b is sequentially supplied to the first rack device 12a. The empty second rack device 12b is filled with the next carriage 1 in advance.

Next, the operation of supplying the cart 1 from the cart rack device 12 to the pile device P will be described below.

The cylinder device 21 of the first supply device 13a of the carriage supply device 13 is extended over L1. As a result, the cart 1 at the lowermost stage of the first rack device 12a is pushed to the standby portion 11 by pushing the upstream push plate 19 thereof at the tip of the piston rod 21a of the cylinder device 21, and the tip of the cart 1 is the pile device P. It is pushed out to a position where it comes into contact with the other end of the carriage 1 at a predetermined position. At this time, the carriage 1 moves over the second positioning 24.

Next, when the cylinder device 21 of the first supply device 13a is shortened, the tip of the piston rod 21a is attracted to the cart 1 via the magnet 21b, and the cart 1 is also returned. When the carriage 1 is returned by a distance L2, the caster 18 is moved to the second positioning member 2.
Since the engaging force at this time is larger than the attracting force of the magnet 21b, the piston rod 21a of the cylinder device 21 is separated from the upstream side push plate 19 of the carriage 1, and the carriage 1 is in the standby section 11. Is stopped at a predetermined position and supplied to a fixed position.

The magnet 21b may be an electromagnet. In the case of an electromagnet, the magnetic force during the returning operation of the carriage 1 can be increased by turning off electricity in the above-described positioning state.

In a state where the cylinder device 21 of the first supply device 13a is shortened, the first rack device 12a is operated by one stage, and the carriage 1 is positioned at the lowest stage.

When the cylinder device 21 of the first supply device 13a is extended in this state, the lowermost cart 1 is pushed out as in the above operation, and the cart 1 supplied to the standby unit 11 by the above action is in a ball shape. It is supplied into the pile device P. At this time, the tip of the subsequent carriage 1 moves by L1, and when pushed by the subsequent carriage 1, the carriage 1 in the standby unit 11 is pushed to a predetermined position in the pile device P, and the first positioning is performed. The member 23 is positioned.

Thereafter, by shortening the cylinder device 21 of the first supply device 13a, the above operation is repeated, and the subsequent cart 1 is stopped by the standby unit 11.

At this time, when there is a carriage 1 in the pile device P, the carriage 1 is pushed outward in a ball shape by the carriage 1 inserted into the pile device P from the standby unit 11.

In this way, the carts 1 in the first rack device 12a are sequentially supplied into the pile device P one after another through the standby unit 11, and the carts 1 in the pile device P are also supplied here. The vehicle 1 is pushed outward in a ball shape.

When the first rack device 12a is emptied by this operation, the carriage 1 in the second rack device 12b is moved by the second supply device 13b while moving the second rack device 12b and the first rack 12a step by step. One by one is supplied to the first rack device 12a. The supply of these carts 1 is performed during the pile operation of the pile device P. These devices described as conventional devices are disclosed in Japanese Patent Application No. 200.
2-106147.

Japanese Patent Application No. 2002-106147

In the former pile device P in FIG. 6, the carriage 1 is carried in and out by an operator. For this reason, if the number of cart replacements increases as the speed of the rotary press increases, the cart replacement operation must be performed instantly, increasing the burden on the operator, and at the time of completing the stacking of sheets on the cart It was an environment in which an operator must always perform the cart replacement work and cannot leave the pile device.

Moreover, in the latter pile apparatus of FIGS. 7-9, supply of a trolley should just be performed while loading a sheet on the pile trolley | bogie of a pile apparatus part, and although the burden of an operator is reduced, 1st, Because the second two truck rack devices are required, and the truck standby position is required upstream of the pile section,
There is a problem that requires a large installation space for the apparatus. In addition, the first and second cart rack devices need first and second cart supply cylinder devices, respectively, and there is a problem that a large space is required and the device manufacturing cost increases. Furthermore, the trolley standby position and the first and second
There was a problem of the cost of manufacturing a cart, requiring a large number of carts to stand on the cart rack.

The present invention has been considered in view of the above, can reduce the installation space of the cart supply device, and can simplify the configuration of the device for supplying the cart to the pile device,
An object of the present invention is to provide a cart supply device in a pile device that can safely supply a cart to a pile device and can cope with non-stop in a continuous paper rotary press having an automatic paper splicing device. .

In order to achieve the above object, the pile supply cart supply and discharge device according to the present invention is a pile device capable of supplying and discharging the cart for depositing sheets at the sheet stacking position.
A standby unit is provided on the upstream side in the insertion direction of the carriage with respect to the sheet stacking position, and the carriage at the loading position where the sheets have been loaded is discharged in a ball shape through the carriage in the standby unit, and at the same time waiting The function is to supply the carriage in the section to the sheet stacking position and move the discharged sheet loaded carriage to automatically raise the supplied carriage for the next stacking A configuration in which an apparatus for supplying and discharging a carriage is provided that also has a function of automatically pulling the carriage to the standby position when an operator inserts the next standby carriage into the floor space. It has become.

According to the present invention, the carriage loaded and discharged by the carriage at the standby position by the carriage supply / discharge device is used to discharge the sheet loaded carriage in a ball shape, and the supplied carriage automatically rises for the next deposition. When the operator puts the next stand-by carriage into the floor space that can be created in this way, this work may be performed while the pile device is depositing sheets, and as in Japanese Patent Application 2002-106147, Since it is not necessary to concentrate the replenishment work of the carriage to be used and the work can be performed without difficulty, it is possible to cope with non-stop operation in a continuous paper rotary press having an automatic paper splicing device.

According to the present invention, neither a rack device for waiting for a plurality of carts as in Japanese Patent Application No. 2002-106147 nor a cylinder device for supplying the first and second carts is required, and the installation space for the cart supply devices is not required. The construction of the device for supplying the cart to the pile device can be simplified and the work can be easily performed, so the supply of the cart to the pile device can be performed safely, and the production cost of the device is also reduced. It can be inexpensive.

In the embodiment of the conventional apparatus shown in FIG. 6, in the pile apparatus 30 in FIG. 1 which is also equipped with the sheet transport device 2, the comb bar 4 and the like, the sheets are stacked on the carriage 42b. When the predetermined number of sheets is reached, the comb bar 4 protrudes, and the sheets to be carried into the pile device are temporarily deposited thereon, while the carriage 42b is lowered until the caster comes into contact with the floor. To do.

At this time, one end of the pedestal plate 34 that engages with the carriage and raises and lowers the carriage is rolled along the guide surface of the guide plate 31 by two guide wheels 33a and 33b, and the opposite end is guided by the guide rod 40. It is guided and has a structure that can move only in the vertical direction, and the projection 35 on the pedestal plate 34 descends and stops along the guidance to a position where the indentation into the recessed portion 28 of the carriage shown in FIG. The state at this time is shown in FIG.
And in FIG. FIG. 4 is a view of a state where a predetermined number of sheets are loaded and lowered to the floor as viewed from the direction in which the carriage is discharged.

The carriage 42a in the standby position has a magnet 38 screwed to the tip of the piston rod of the carriage supply / discharge cylinder 43 on the inner surface of the push plate 27 on the downstream side in the supply direction of the carriage shown in FIG. In a state of being attracted by magnetic force, it waits to supply a cart for the next sheet stacking at the same time as discharging a cart loaded with a predetermined number of sheets. When the carriage 42b descends to the floor, the detector 44 that detects the descent emits a detection signal, and the cylinder 42 is activated and is in the standby position.
Extrude

When the cart 42a is pushed out, the cart loaded with a predetermined number of sheets on the floor is in a ball shape.
Is pushed out of the pile device 30, and the carriage 42 a stops at the predetermined position where the piston rod of the cylinder 43 is extended to the maximum position. This state is shown in FIG.

When the carriage for depositing the next sheet is supplied by the carriage supply / discharge device 43 cylinder, the most extended point of the extension operation of the piston rod of the cylinder is detected by the detector, and the carriage lifting / lowering base is automatically detected. 34 starts the ascending operation when the motor of the driving source is operated by the chains 32a and 32b for the ascending / descending operation driving.

After the start of the raising operation of the pedestal, the time pedestal 34 that is detected and set by the detector 45 at the position where the projection 35 of the pedestal 34 is fitted into the recessed portion 28 of the carriage 42a that is stopped at a predetermined position stops, Since the piston rod of the cylinder 43 starts a shortening operation and the carriage is fixed by the engagement of the recessed portion 28 and the projection 35, the magnet 38 and the push plate 27 are attracted by the magnetic force, and the pedestal is stopped for a set time. Then, the ascending operation is started again, and the ascending operation is stopped up to the sheet stacking position.

The detector 39 detects that the carriage for the next deposition has been supplied to the deposition position, and the comb bar 4 on which the sheet is temporarily deposited is temporarily pulled over it. Sheet of trolley 42
Deposit on a.

After the shortening operation, the piston rod of the cylinder 43 starts to extend again, stops at the most extended position, and further attracts the push plate 27 to the tip end magnet 38 of the piston rod in which the carriage 42c for the next deposition is extended. Wait until it is inserted and supplied. The operator can move the cart 42 for further deposition within a time until a predetermined number of sheets are newly deposited on the surface 42a.
The carriage 42c is replenished so that the push plate 27 is attracted to the piston rod tip magnet 38 waiting for c. FIG. 3 shows a state in which the next standby carriage 42c is replenished while the automatically supplied carriage 42a is raised to the sheet stacking position, and the supplemented carriage is being pulled into the standby position.

After supplying the carriage 42c so that the push plate 27 is attracted to the piston rod tip magnet 38, the magnet is pressed by a method such as pressing an operation button for starting the shortening operation of the piston rod of the cylinder 43 to the carriage standby position. The carriage 42c is pulled to the carriage standby position by the suction force. 1 to return to the state where the carriage is made to stand by in the carriage supply and discharge device section of FIG. 1, and the same procedure is repeated thereafter to supply and discharge the carriage.

FIG. 4 is a state diagram illustrating the embodiment of the present invention, in which a cart on which a predetermined number of sheets are stacked is descending, and a feeding cart is waiting at a standby position. The state figure which shows embodiment of this invention and the trolley | bogie which piled up the predetermined number of sheets was discharged in the shape of a ball, and the trolley | bogie for supply was inserted in the pile apparatus. A magnet showing an embodiment of the present invention, in which a carriage inserted into a pile device is screwed to the tip end of a piston rod while a carriage for the next deposition is moved up by a lifting device to a sheet stacking position. The drawing shows that the truck is refilled to be attracted to the vehicle, and the carriage is pulled into the standby position. FIG. 5 is a diagram showing an embodiment of the present invention when a predetermined number of sheets are loaded and lowered to the floor as viewed from the direction in which the carriage is discharged. The figure which shows embodiment of this invention and shows the detail of a trolley | bogie. It is a figure which shows the pile apparatus part of a prior art example. It is structure explanatory drawing which shows embodiment of a prior art example. It is the figure which looked at the cart rack of the prior art example FIG. 7 from the cart supply side. . It is a perspective view which shows the structure of the cart rack and cart supply apparatus of the prior art example FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Carriage, 2 ... Sheet transport apparatus, 3 ... Carriage raising / lowering apparatus, 4 ... Comb stick, 5a, 5b ... Chain,
6a, 6b ... support claws, 8a, 8b ... springs, 10 ... automatic cart supply device, 11 ... standby unit, 12 ... cart rack device, 12a, 12b ... first and second cart racks, 13 ... cart supply device, 14a , 14b ... Chain shelf, 15a, 15b ... Loop chain, 16 ... Supporting claw, 17 ... Drive device, 18 ... Caster, 19 ... Upstream push plate, 20a, 20b ... Downstream push plate, 13 ... Dolly supply device, 13a, 13b ... 1st and 2nd supply apparatus, 14a, 14b ... Chain shelf, 15a, 1
5b ... loop chain, 16 ... supporting claw, 17 ... drive device, 18 ... caster, 19 ... downstream side push plate, 20a, 20b ... upstream side push plate, 21, 22 ... cylinder device, 21a, 22a ... piston rod, 21b DESCRIPTION OF SYMBOLS ... Magnet, 23, 24 ... Positioning member, 25 ... Pile trolley, 26 ... Buffering elastic body, 27 ... Push plate, 28 ... Indentation recessed part with raising / lowering base, 29 ... Free wheel locking member, 30 ... Pile apparatus, 31 ... Elevating pedestal guide plate, 32, 32a, 32b ... Chain, 33a, 33b ... Pedestal plate guide wheel, 34, 34a, 34b ... Elevating pedestal plate, 35 ... Pedestal plate projection, 36 ... Dolly wheel guide, 37 ... Stacked sheet Leaf paper, 38 ... magnet, 39 ... deposition position detector, 40 ... pedestal plate guide bar,
41 ... Detection plate and guide member, 42a, 42b, 42c ... Pile cart, 43 ... Cylinder for supplying cart, 44 ... Fault position detector, 45 ... Lower limit position detector

Claims (1)

The pile device can be lifted and lowered by a lifting device provided in the pile device.
Sheets discharged from above the pile device are deposited at the ascending position in the pile device and piled at the lowered position.
Automatic pile truck supply and discharge equipment for pile trucks that can be inserted into and removed from pile equipment.
An insertion carriage standby section is provided on the upstream side in the vehicle insertion direction, and a sheet is fed via a carriage 42a in the standby section.
At the same time, the carriage 42b in the pile device that has been loaded and lowered to the floor is discharged into a ball shape,
A pile carriage pushing device for inserting the carriage 42a in the waiting position into the pile device is provided at the insertion carriage waiting portion position, and the pile carriage pushing device has a magnet 38 screwed to the tip portion.
With a member for pushing out the trolley that is joined to the trolley by the magnet when the trolley 42a is inserted
And lift the lifting device halfway to install it on the protrusion and carriage 42a provided on the lifting device.
The magnet 38 is pulled back in a state in which the recessed portion is fitted, and the joint with the carriage 42a is separated,
Thereafter, the carriage 42a is supplied to the ascending position, which is the deposition position, as the elevating device rises.
The carriage pushing member is extended into the pile device, and the magnet 38 at the tip thereof is attached to the operator's hand.
The automatic pile carriage supply and discharge device which joins a new carriage 42c and automatically pulls it into the standby position and returns to the standby state.

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