JPH06143467A - Mill roll supply and discharge device in corrugator and supply and discharge equipment using the same - Google Patents

Abstract

PURPOSE:To provide a mill roll supply and discharge device eliminating the standby time on a machine side, efficiently performing multikind and small-lot production and greatly saving the labor. CONSTITUTION:On a first feed rane 5, the first feed-in truck Cl reciprocating between a first receiving station S3 and a first delivery station S4 to supply a new roll and the first discharge truck C3 reciprocating between the first delivery station and a discharge station S7 to discharge a residual roll are used and, on a second feed rane 6, the second feed-in truck C2 reciprocating between a second receiving station S5 and a second delivery station S6 to supply a new roll and a second discharge truck C4 reciprocating between the second delivery station and the discharge station to discharge a residual roll are used. The feed-in of the new roll and the discharge of the residual roll are independently performed and the number of rolls in a standby state is increased to eliminate a standby time at the time of the replacement of the rolls.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mill roll feeding / discharging device for a corrugator and a feeding / discharging facility using the same.

A corrugator is a machine for manufacturing a corrugated board sheet by step-forming a core, applying an adhesive to the core, and bonding a liner to the core. FIG. 14 shows a main part thereof, which includes a mill roll stand MS, a single facer SF, an auto splicer AS, and the like as constituent elements. The mill roll stand MS is a device for loading and supporting a mill roll (corrugated cardboard rolled into a roll) and continuously supplying the base paper W to the single facer SF, and usually includes two roll support arms RA on the left and right. There is. Since the corrugator in Fig. 14 is for double-sided corrugated board production, it has three mill roll stands MS for liner, core paper, and liner in order from the left. In the case of, the mill roll stand MS is equipped with 5 or 7 units.

The present invention supplies a new mill roll (hereinafter referred to as a new roll R) to such a corrugator mill roll stand and discharges the mill roll left over (hereinafter referred to as a residual roll r) and a device for using the same. It was about the whole equipment.

[0004]

2. Description of the Related Art As shown in FIG. 15, a conventional mill roll supply / discharge system is a system in which a mill roll is carried in and out from one side of a machine by an electric carriage CA. Even when two carriages are used to carry in the new roll R and to discharge the remaining roll r, the carriage moves in and out from one side, so that the new roll R cannot be supplied unless the remaining roll r is discharged first. There was a waste of waiting time on the machine side.

In particular, in order to cope with the recent production of a wide variety of small lots, it is necessary to change the rolls frequently, so that the waiting time in the operating time of one day becomes extremely large, and It caused the problem of reduced efficiency. Furthermore, since the loading and unloading of the rolls on the electric cart was done manually, it took a lot of labor and took a lot of time.

[0006]

In view of the above circumstances, the present invention eliminates the waiting time on the machine side and enables efficient production of a large variety of small lots, and at the same time significantly reduces labor, and a mill roll feeding / discharging device. The purpose is to provide the supply and discharge equipment used.

[0007]

A mill roll feeding / discharging device of the first invention is a device for feeding / discharging a mill roll to / from a corrugator equipped with a mill roll stand having two roll supporting portions, and storing a new roll. The roll stocker to be placed, a new roll from the new roll stocker one by one in the radial direction of the roll, and a receiving conveyor to carry it to the receiving station, and the new roll carried to the receiving station are moved in the axial direction of the roll. A supply conveyor that conveys to the distribution station and a new roll conveyed by the supply conveyor at the distribution station,
A distribution conveyor for alternately feeding to the right and left sides in the radial direction of the roll, and a first receiving station adjacent to one end of the distribution conveyor and extending from one of the first delivery stations of the mill roll stand to the remaining roll discharge station. On one transport lane, a second transport lane extending from a second receiving station adjacent to the other end of the sorting conveyor to the remaining roll discharging station via the other second delivery station of the mill roll stand In the first delivery station, a first delivery vehicle that reciprocates between the first delivery station and supplies a new roll, and a first delivery vehicle that reciprocates between the first delivery station and an ejection station to eject the remaining rolls And on the second transportation lane, the second
It is characterized by comprising a second loading carriage that reciprocates between the receiving station and the second delivery station to supply new rolls, and a second delivery carriage that reciprocates between the second delivery station and the discharge station to discharge the remaining rolls. And

In the mill roll feeding / discharging facility of the second invention, the plurality of mill roll stands of the corrugator are each provided with the feeding / discharging device according to claim 1, and a turntable is provided at the discharging station of each feeding / discharging device. So that the residual rolls are received from the ends of the first transport lane and the ends of the second transport lane, and one recovery lane that receives the residual rolls from each turntable is installed between each turntable and the recovery pit. It is characterized in that a collection carriage for collecting the remaining rolls is reciprocated on the collection lane.

[0009]

In the feeding / discharging device of the first aspect of the invention, the first loading carriage and the first dispensing carriage travel independently of each other on the first transport lane, and the first loading carriage is located on one side of the machine with the first receiving station. There is no collision because the first delivery truck reciprocates between the first delivery station and the discharge station, which is the opposite side of the machine. Therefore, there is no waiting time for supplying the new roll and discharging the remaining roll. This also applies to the second supply / discharge lane side. The mill roll supplied from one of the transportation lanes (first transportation lane) is being used, and the delivery station (second delivery station) of the other transportation lane (second transportation lane) is waiting for a new roll or the mill roll. By supporting the new roll on the stand and then by waiting the new rolls on the first receiving station, the second receiving station and the receiving station, it is possible to keep four new rolls on standby at all times. It can be supplied without interruption. Therefore, even if the mill rolls are replaced very frequently in a short time in response to high-mix low-volume production, there will be no supply delay.

In the supply and discharge equipment of the second invention, the supply and discharge device of the first invention is attached to each of the plurality of mill roll stands to enhance the supply capability of the new rolls, and at the same time, the discharge is performed by the recovery lane and the recovery cart. Since the remaining rolls are smoothly collected outside the machine, the cycle from the supply of the new rolls to the discharge of the remaining rolls circulates without delay.

[0011]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a sketch of the entire supply / discharge facility, and FIG. 2 is a plan view of the supply / discharge device. In Fig. 1, MS is a mill roll stand similar to that shown in Fig. 14, one on each side,
It has a total of two roll support arms RA. And
A supply / discharge device A is attached to each mill roll stand MS. In this embodiment, three feeding / discharging devices A are provided according to the number of mill roll stands MS, but five or seven or more units are installed depending on the type of corrugated board sheet to be manufactured.

Next, an outline of the supply / discharge device A will be described with reference to FIG. In FIG. 2, 1 is a roll stocker,
2 is a receiving conveyor, 3 is a supply conveyor, and the part where the starting ends of the receiving conveyor 2 and the supply conveyor 3 intersect is the receiving station S1. At the end of the supply conveyor 3, a distribution conveyor 4 is installed so as to intersect, and this portion is a distribution station S2. A position adjacent to the left end of the sorting conveyor 4 is a first receiving station S3, and a first transfer lane 5 is installed from here to a first delivering station S4 to a discharging station S7.
Further, the position adjacent to the right end of the sorting conveyor 4 is the second receiving station S5, and the second transfer lane 6 is installed from here to the discharging station S7 via the second delivering station S6.

The first delivery station S4 and the second delivery station S6 are places where the mill rolls are delivered to and from the mill roll stand MS. Discharge station S7
Then, the turntable 7 is installed between the end of the first transport lane 5 and the end of the second transport lane 6. A discharge conveyor 8 is mounted on the turntable 7, receives the residual rolls from the first transport lane 5 and the second transport lane 6 in the state shown in the figure, and sends the residual rolls to the recovery lane 9 by turning 90 °. Is able to.

On the first transport lane 5, the first loading carriage C1
The first delivery vehicle C3 and the first delivery vehicle C3 travel independently of each other. The first loading vehicle C1 reciprocates between the first receiving station S3 and the first delivery station S4, and the first delivery vehicle C3.
Reciprocates between the first delivery station S4 and the discharge station S7. Further, on the second transport lane 6, the second loading carriage C2 travels back and forth between the second receiving station S5 and the second delivery station S6, and the second dispensing carriage C4 is located between the second delivery station S6 and the discharging station S7. Make a round trip.

Next, the details of each part of the above-mentioned supply / discharge device will be described. 3 to 4 are a plan view and a side view of the receiving station S1. The roll stocker 1 is a gentle slope formed on the floor F so that several mill rolls can be placed side by side, and a kicker 11 is provided on the tip side thereof. The kicker 11 basically has a roller 13 pivotally supported on the tip of a V-shaped arm 12 and is oscillated by a cylinder 14. The kicker 11 receives the new roll R in the state shown by the solid line and becomes the state shown by the chain line. A new roll R is swung to the starting end of the receiving conveyor 2.
Is a mechanism for sending in.

The receiving conveyor 2 is a chain conveyor having a known structure having two chain conveyors 2a and 2b, and is driven by a motor (not shown) to carry in the new roll R to a substantially central position. Further, by a known elevating mechanism (not shown), the feeding conveyor 3 is elevated to a position slightly higher than the upper surface (arrow U) or lowered to a position slightly lower than it (arrow D). A foldable stopper 15 is provided between the two chain conveyors 2a and 2b at the end portion (right side in the figure) of the receiving conveyor 2. This retractable stopper 15 is composed of a stopper 16 and a cylinder 17 for swinging the stopper 16. When the cylinder 17 contracts, the stopper 16 sinks below the upper surfaces of the chain conveyors 2a and 2b, and when the cylinder 17 extends, the chain conveyor 2a. , Projecting above 2b,
The movement of the new roll R is stopped. It should be noted that if the protrusion amount is reduced for the new roll R1 having a large diameter and the protrusion amount is increased for the new roll R2 having a small diameter, any size of the new roll R3 can be supplied.
The new roll can be stopped at the transfer position, that is, at a substantially central position of the receiving conveyor 2.

The supply conveyor 3 comprises a roller conveyor section 3A and a chain conveyor section 3B.
Is configured such that a plurality of rollers 3a are connected by a chain or the like and are driven simultaneously by a motor (not shown), and are arranged at an intersection with the receiving conveyor 2 and an intersection with a distribution conveyor 4 described later, respectively. . And each roller 3a
Since the upper surface of the conveyor is set lower than the ascending position of the chain conveyors 2a and 2b and higher than the descending position, when the receiving conveyor 2 carries the new roll R in the ascending posture to the center position and then descends, the new roll is fed by the new conveyor. It is in a state of being conveyed at 3. This structure is the same at the intersection with the distribution conveyor 4. The chain conveyor section 3B has 2
A top plate is attached to the upper surface of the chain conveyors in a row, and is arranged so as to connect between the receiving conveyor 2 and the sorting conveyor 4. The roller conveyor section 3A and the chain conveyor section 3B are operated at the same speed by the same drive source.

FIG. 5 shows the distribution station S2 and the first,
It is a top view of the 2nd receiving station S3, S5. The distribution conveyor 4 is a chain conveyor having a known structure having two feed chains 4a and 4b, and is driven leftward (arrow L) and rightward (arrow R) by a motor (not shown). It also has a well-known lifting mechanism,
The new roll is sent to just above it by the supply conveyor 3, and in the rising posture, the new roll is distributed right and left and conveyed.

The first transfer lane 5 extends from the first receiving station S3 adjacent to the left end of the sorting conveyor 4, and at the receiving position on the left side of the sorting conveyor 4, the first loading carriage C1 (hereinafter referred to as the loading carriage C1). ) Can be stopped. Further, four rollers 21 of the centering device 20 are arranged at positions adjacent to the four corners of the loading carriage C1 at the receiving position, and a fixed stopper 18 is installed on the side opposite to the conveyor of the loading carriage C1. Note that this configuration is the same in the second receiving station S5 adjacent to the right end of the sorting conveyor 4.

The centering device 20, as shown in FIG.
The roller 21 and a bracket 22 that axially supports the roller 21.
And a cylinder 23 connected to the bracket 22,
When the cylinder 23 is contracted, the roller 21 sinks to the position shown by the imaginary line, and when it is expanded, it extends to the position shown by the solid line. When the new roll R fed onto the transport carriage C1 by the sorting conveyor 4 is supported by four rollers 21 and the cylinder 23 is driven to move up and down, the axis of the new roll R naturally becomes the transport carriage C1.
Is adjusted to the center of. The fixed stopper 18 is provided to prevent the new roll R fed from the sorting conveyor 4 from jumping over the carriage C1.

FIG. 7 shows the first transfer lane 5 and the loading carriage C1.
Plan view (A), enlarged sectional view (B) and side view (C) of
Is. The first transportation lane 5 is formed by combining structural materials such as long H-shaped steel into a channel shape, and has a split groove 5a formed in the longitudinal direction on the upper surface and two rails 24 on the bottom surface. Is installed. The carry-in carriage C1 has a carriage 26 having a T-shaped cross section having a top plate 25, and a wedge plate is provided on the top surface of the top plate 25.
27 are fixed, and wheels 29 are pivotally supported by axles 28 at the front and rear ends of the carriage 26, respectively. A chain 30 (see FIG. 2B) is connected to the right and left ends of the carriage 26, and the chain 30
30 is wound around a sprocket at both ends of the first transportation lane 5 and folded back to be connected in a loop shape. The sprocket is driven by a motor or the like to move the carriage C1 forward and backward. The above structure is the second loading trolley C2
The same applies to (hereinafter referred to as the loading carriage C2).

As described above, the first and second transportation lanes 5,
6 (see FIG. 2), the loading carriages C1 and C2 travel between the receiving stations S3 and S5 and the delivery stations S4 and S6, and the first and second dispensing carriages C3 and C4 (hereinafter, the dispensing carriages C3 and C4).
Means a reciprocation between the delivery stations S4 and S6 and the unloading station S7.

Next, the structure of the dispensing cart C3 will be described with reference to FIGS. The dispensing cart C3 has a comb-shaped swing top plate 31, and a wedge plate 27 is fixed to the upper surface thereof. A mounting plate 32 that fits in two spaces of the swing top plate 31 is fixed to the upper surface of the carriage 26, and one side of the mounting plate 32 and the swing top plate.
One side of 31 is connected by a pin 33, and the swing top plate 31 is tiltably attached. A chain 31 (see FIG. 7 (B)) is connected to the left side of the carriage 26 of the delivery carriage C3 so that the carriage 26 can be driven by the same drive system as that of the loading carriage C1. This structure is the same for the dispensing cart C4. The basic structure of the recovery carriage C5 is the same as the above, but since only one vehicle travels on the recovery lane 9, the drive chain can be connected to any one location such as the lower end of the carriage 26. Good. The push-up device 35, which is a mechanism for tilting the swing top plate 31, is a discharge station S7 and a collection station.
It is provided in S8, and its details will be described later.

10 to 11 are a plan view and a sectional view of the discharging station S7. The turntable 7 is a turntable having a known structure, and turns in both directions indicated by arrows a and b. Further, a carry-out conveyor 8 is installed on the upper surface thereof. The carry-out conveyor 8 is composed of two chain conveyors 8a and 8b and is driven by a motor (not shown). The end portions of the transport lanes 5 and 6 are discharge positions for discharging the remaining rolls to the discharge conveyor 8, and a push-up device 35 for tilting the top plate 31 of the loading carriages C3 and C4 is installed at this discharge position.

The push-up device 35 comprises a cylinder 36 and a push rod 37 connected to its piston rod. When the cylinder 36 is extended, the swing top plate 31 is pushed up from a horizontal position shown by an imaginary line to an inclined position shown by a solid line. The remaining roll that has been conveyed can be sent onto the discharge conveyor 8. Then, the remaining roll is conveyed to the center of the turntable 7 by the discharge conveyor 8 and, at the same time, the turntable 7 is turned by 90 ° in the arrow a direction or the arrow b direction, so that the remaining roll can be discharged to the recovery lane 9.

Next, the recovery device will be described with reference to FIG. On the recovery lane 9, a recovery carriage C5 travels back and forth, and the swing top plate 31 of this recovery carriage C5 has the same structure as the above-mentioned dispensing carriages C3 and C4. A push-up device 35 is provided at the end of the recovery lane 9 on the side opposite to the recovery pit 10.
Is installed. Further, a fixed stopper 38 is provided on the side opposite to the table of the recovery lane 9 corresponding to each turntable 7.
Is installed so that the residual roll r sent from the discharge conveyor 8 does not get over the recovery carriage C5.
The recovery carriage C5 that has received the remaining roll r travels in the recovery lane 9, and when it reaches the front of the recovery pit 10, it stops there,
Next, the swing top plate 31 is tilted by the push rod 37 of the push-up device 35, and the remaining roll r is paid out to the recovery pit 10.

Next, the operation of the feeding / discharging device A having the above structure will be described. In FIG. 13, assuming that the mill roll R1 loaded in the roll support arm RA on the left side of the mill roll stand MS is currently in use, the new roll R2 mounted on the roll support arm RA on the right side is on standby, In addition, loading carts C1 and C2
The new rolls R3, R4 loaded at and the new roll R5 at the receiving station S1 are also waiting. Therefore,
4 new rolls are waiting, 2 of them
The new rolls R3 and R4 of the book are ready to be loaded immediately by one-way traveling of the loading carriages C1 and C2. Therefore, even if rolls are frequently changed in high-mix low-lot production, new rolls will not be delayed in supply.

Next, considering the case where the roll R1 is unloaded and the new roll is used, it goes without saying that one of the new rolls R2 loaded in the mill roll stand MS can be immediately used, but the unloaded remaining roll r1 Since it can be quickly discharged from the machine, there is an advantage that there is no delay in the supply of the next new roll R3. That is, the residual roll r1 is immediately sent to the discharge station S7 by the delivery cart C3 and discharged from there through the turntable 7 and the recovery lane 9 as described above, but this route is different from the supply route. Is. Therefore, the delivery carriage C3 receives the remaining roll r1 and starts to run, and at the same time, the delivery carriage C3 loaded with the new roll R3.
This is because C1 can start running. And this point is the second
The same applies to the transportation lane 6 side. For the above reason, according to the feeding / discharging device A of the present embodiment, there is no delay in the supply of the new roll, and no unnecessary waiting time occurs on the corrugator side.

Next, the supply and discharge conditions of the new and old rolls R and r in the entire corrugator will be described with reference to FIG. 1, since the three mill roll stands MS are individually provided with the supply and discharge devices A. The feeding / discharging operation is performed for each mill roll stand MS. In this case, the supply is a one-way operation on one side of the machine and the discharge is the machine, as can be seen from the fact that in FIG. 1 the supply of the new rolls is shown by solid arrows and the discharge of the remaining rolls is shown by dotted arrows. One-way operation on the other side of
Do not interfere with each other. Therefore, according to this embodiment, the supply and discharge of the old and new rolls can be performed quickly and smoothly. In addition, since the transfer to each dolly can be performed mechanically, the labor-saving effect is high.

[0030]

According to the present invention, it is possible to provide a mill roll feeding / discharging device and a feeding / discharging facility using the same, which eliminates the waiting time on the machine side and enables efficient production of a wide variety of small lots. Can be provided.

[Brief description of drawings]

FIG. 1 is a schematic view of a supply / discharge facility according to an embodiment of the present invention.

FIG. 2 is a plan view of a supply / discharge device A according to an embodiment of the present invention.

FIG. 3 is a plan view of a receiving station S1.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a plan view of a distribution station S2 and a first receiving station S3.

6 is a side view of the centering device 20. FIG.

FIG. 7 is a plan view (A), an enlarged side view (B) and a side view of the carry-in carriage C1 of the carry-in carriage C1 and the transportation lane 5.

FIG. 8 is a plan view of a dispensing cart C3.

FIG. 9 is an exploded perspective view of a dispensing cart C3.

FIG. 10 is a plan view of a discharge station S7.

11 is a view taken along the line XI in FIG.

FIG. 12 is a plan view around the recovery lane 9.

FIG. 13 is a diagram illustrating the operation of the supply / discharge device A.

FIG. 14 is a side view of the main part of the corrugator.

FIG. 15 is an explanatory diagram of a conventional mill roll feeding / discharging device.

[Explanation of symbols]

1 roll stocker 2 receiving conveyor 3 supply conveyor 4 sorting conveyor 5 first transport lane 6 second transport lane 7 turntable 8 discharge conveyor 9 collection lane 10 collection pit S1 receiving station S2 sorting station S3 first receiving station S4 first receiving station S5 2nd receiving station S6 2nd delivery station S7 Discharging station C1 1st loading truck C2 2nd loading truck C3 1st delivery truck C4 2nd delivery truck C5 Recovery truck

Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location B65G 47/88 D 8010-3F

Claims (2)

[Claims] 1. A device for feeding and discharging a mill roll to and from a corrugator equipped with a mill roll stand having two roll support parts, and a roll stocker for storing new rolls.
From the new roll stocker, the new rolls are moved one by one in the radial direction of the rolls and are loaded into the receiving station, and the new rolls loaded into the receiving station are moved in the axial direction of the rolls and transported to the sorting station. In the supply conveyor and the distribution station, the new conveyor conveyed by the supply conveyor is alternately fed to the right side and the left side in the radial direction of the roll, and from the first receiving station adjacent to one end of the distribution conveyor. A first transfer lane extending through one of the first delivery stations of the mill roll stand to the remaining roll discharge station, and a second delivery station adjacent to the other end of the sorting conveyor from the other second delivery of the mill roll stand. Roll through the station On the second transport lane extending to the exit station, on the first transport lane, the first receiving station, the first loading carriage that reciprocates between the first delivery station and the new roll, and the first delivery station, and the discharge On the first delivery cart that reciprocates between the stations and discharges the residual roll, and on the second transport lane,
A second loading carriage that reciprocates between the second receiving station and the second delivery station to supply a new roll, and a second
A mill roll feeding / discharging device in a corrugator, comprising: a second delivery cart that reciprocates between a delivery station and a discharge station to discharge the residual roll. 2. A supply / discharge device according to claim 1 is attached to each of a plurality of mill roll stands of a corrugator, and a turntable is provided at a discharge station of each of the supply / discharge devices so that the end of the first transport lane and The remaining roll is received from the end of the second transportation lane, and one collecting lane for receiving the remaining roll from each turntable is installed between each turntable and the collecting pit, and the remaining roll is collected on the collecting lane. A mill roll feeding / discharging device in a corrugator, characterized in that a recovery cart is reciprocated.