JPH05105233A - Package stacking device and storage device having it - Google Patents

Abstract

PURPOSE:To provide a device capable of stacking packages and storing them with good efficiency. CONSTITUTION:There is provided a transport means 2 for transporting a tray 5 where filament packages are loaded. A stacking mechanism 1 for sequentially stacking transported trays 5 is disposed in the middle of the transport means 2. The stacking mechanism 1 comprises a positioning means for positioning a tray in a designated position, an elevating means for raising and lowering the positioned tray, and a holding means for holding the raised tray. Further, if a storage mechanism 7 for storing the stacked trays, the packages can be stored with good efficiency.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for stacking and storing packages (bobbins or balls) wound by a winder or the like in a fiber manufacturing factory.

[0002]

2. Description of the Related Art Usually, packages doffed from a plurality of winders installed side by side are subjected to inspection and other processes, packed according to product type, and then shipped to users. Therefore, the doffed package must be transported to the process such as the inspection or the packing. In this case, conventionally, the doffed package was placed on a single-weight transport tray and transported.

Also, in recent years, with the diversification of consumer needs, so-called multi-product small-quantity production has been performed in which one winder simultaneously produces many kinds of packages.
Since the number of packages per doffing sometimes falls below the number of packages per package, the doffed packages were temporarily stored (storage) by product type until the number of balls in the packing unit was completed. ..

Conventionally, specifically, as shown in FIG.
A part of the transport means (2) for transporting the transport tray (4) provided in the process is used as a storage conveyor (72), and the transported transport tray (5) is sorted by a pushing mechanism (74) and stored by product type. It was When the number of packing units is uniform, the stop mechanism (73) at the end of the storage conveyor (72) is driven to remove the restriction, and the package (6) is transported to the packing step.

[0005]

However, the storage by the storage conveyor (72) has a problem that the storage efficiency of the package is poor and a wide installation area is required for the storage process. On the other hand, for efficient storage, it is conceivable to lay storage conveyors (72) in multiple stages, but large equipment is required,
In addition, a huge amount of equipment cost is required, which is a problem.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an apparatus capable of efficiently accumulating and storing packages before packing.

[0007]

The first aspect of the present invention for achieving the above object is to convey a tray on which a yarn package is placed, and a stacking device provided in the middle of the conveying means. A stacking mechanism, and positioning means for positioning the tray at a predetermined position; and elevating means for elevating and lowering the positioned tray.
The gist of the invention is that it is composed of three holding means, which are provided above the elevating means and hold the raised tray.

A second aspect of the present invention is a transport means for transporting a tray on which a yarn package is placed, a storage mechanism connected to the transport means for storing a large number of the transported trays,
Positioning means for positioning the tray at a predetermined position, and a lifting mechanism for lifting and lowering the positioned tray, which comprises the storage mechanism and a stacking mechanism provided at a connecting portion of the transport means. The gist of the invention is that it is composed of a means and a holding means which is provided above the elevating means and holds the raised tray.

[0009]

The function of the present invention will be described below. First, according to the first aspect of the invention, the transport tray on which the packages are placed is transported to the stacking mechanism by the transport means, and then the transport tray is positioned at a predetermined position by the positioning means of the stacking mechanism.
Then, the elevating means raises the transport tray to a predetermined position vertically upward, and the holding means holds it, and then the elevating means is lowered.

Next, after the next carrying tray is carried to the stacking mechanism by the carrying means, it is positioned at a predetermined position by the positioning means. Then, this is raised by the elevating means until it comes into contact with the previous transport tray. This causes the previous transport tray to overlap with the next transport tray. After that,
The holding means is released, the lifting means is raised, and the next carrying tray is raised to the predetermined position. Then, after holding the next transport tray by the holding means, the elevating means is lowered. After that, the transport trays can be automatically stacked by repeating the above operation.

According to the second aspect of the invention, in addition to the operation of the first aspect of the invention, a plurality of stacked package groups can be stored by product type by the storage mechanism, and the packages can be efficiently stored. it can.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the first and second inventions of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a perspective view showing an entire embodiment of the device of the present invention.
As shown in the figure, in the storage device according to the embodiment, a transport means (2) for transporting a transport tray (5) on which a package (6) is placed and a stacking device provided in the middle of the transport means (2). It comprises a mechanism (1) and a storage mechanism (7) for storing the stacked transport trays (5).

First, the transport tray (5) used in the storage device will be described.

As shown in FIG. 2, the carrying tray (5)
Is for placing and carrying the package (6),
A flat plate-shaped tray main body (5A) having an appropriate package mounting surface on the upper surface, and a fitting member that is provided so as to protrude substantially in the center of the package mounting surface and that fits into the inner diameter of the paper tube of the package (6) ( 5B) and four pillars (5C) standing on the upper surface of the tray body (5A) outside the mounting range of the package (6), and the pillar (5C).
An engaging portion (5D) that engages with the tip of the column (5C) is provided on the back surface of the tray body (5A) at a position corresponding to. Further, the length of the column (5C) is designed to be longer than the length of the paper tube of the package to be placed.

A. Conveying Means The conveying means (2) is a well-known roller conveyor, and as shown in FIGS. 3 and 4, a first conveyor (10), a second conveyor (11), and a second conveyor (11) arranged in parallel. It comprises one conveyor (10) and a third conveyor (12) provided between the second conveyor (11).

The first conveyor (10) and the second conveyor (11) include drive motors (10C) and (11C),
The driving rollers (10A) and (11
A) and supporting frames (10B) and (11C) that support the driving rollers (10A) and (11A). The drive rollers (10A) and (11A) are indicated by the arrow A.
The transport tray (5), which is rotated in this direction and is placed, is moved in the direction of arrow B.

The third conveyor (12) includes a non-driving roller (12A) and a frame body (12) for supporting the roller (12A).
B) and.

B. Stacking Mechanism The stacking mechanism (3) is provided between the first conveyor (10) and the second conveyor (11) of the transfer means (2) as shown in FIGS. 3 and 4. The positioning means (31) for positioning the transport tray (5) on the transport means (2), the elevating means (32) for supporting the transport tray (5) and raising it to a predetermined position, and the raised transport And a holding means (33) for supporting the tray (5).

The positioning means (31) is provided below the second conveyor (11), and has an air cylinder (31A) which is vertically driven and a support which supports the air cylinder (31A). It comprises a body (31B) and a stop plate (31D) provided at the tip of the piston rod (31C) of the air cylinder (31A). Further, the air cylinder (31A) and the stop plate (31D) are designed to have a size and strength sufficient to stop the plurality of transport trays (5) on which the packages (6) are placed and stacked. The stop plate (31D) is arranged between the rollers (11A) and protrudes from the upper end of the roller (11A) when rising.

The elevating means (32) includes two pairs of parallel arms (32A) and the pair of arms (32).
A) The joining member (32B) for joining the ends to each other and the arm (32A) and the joining member (32B) which are provided on the side of the third conveyor (12) and are integrated are moved in the vertical direction. It is composed of a hydraulic cylinder (32C) for pressing and a support box (32D) for supporting the hydraulic cylinder (32C).

The arm (32A) has the rollers (10A), (12A) and (12A) at the lower end.
And (11A), the air cylinder (32
By (C), the rollers (10A) and (12A) and (12A) and (11A) are passed and raised to a predetermined position.

Further, the hydraulic cylinder (32C) is provided with a controller (32F) for detecting and controlling the amount of advance of the piston rod (32E) and the number of transport trays (5) to be stacked at the rear end thereof. It is equipped with an integrator (32G) that integrates the number. The controller (32F) can arbitrarily set the advance amount of the piston rod (32E) in addition to the maximum amount. In this example, in addition to the maximum amount, there are two advance amounts, a first and a second, which will be described later. Is set.

The holding means (33) comprises a first holding portion (33A) and a second holding portion (33B) which are arranged with the elevating means (32) interposed therebetween. The part (33A) and the second holding part (33B) are respectively
A holding arm (33) for holding the back surface of the transport tray (5).
C), an air cylinder (33D) for moving it in the direction of arrow C-D, and a gate-shaped support frame (33E) for supporting this air cylinder (33D). This gate-shaped support frame (33E) is Two vertical support columns (33F) facing each other with the transporting means (2) interposed therebetween, and the two vertical support columns (33F).
F) and a horizontal support (33G).

Then, the respective holding arms (33C) of the first holding portion (33A) and the second holding portion (33B).
Are provided so that their heights are the same, and when the holding arms (33C) approach each other, support the back surface of the transport tray (5), and when the holding arms (33C) move away from each other, the holding arms (33C) move between the holding arms (33C). The transport tray (5) can be passed therethrough.

In addition, the conveying direction side of the conveying means (2),
That is, the gate-shaped support frame (33E) of the first holding portion (33A)
In, the horizontal support (33G) and the vertical support column (33
One of the connecting portions with F) is joined but the other is not joined so that the horizontal support body (33G) is placed on the vertical support column (33F). And, this is shown in the lower part of the vertical support pillar (33F) on the joining side by the arrow Y-.
A support base (33I) rotatably supported in the Z direction, a rotation drive unit (33J) having a rotation angle setting mechanism, and a stepping motor, for example, are provided.

Then, the horizontal support (33G) is indicated by the arrow Z.
The horizontal support (33
The other end of G) is placed on and supported by the vertical support (33F).

Next, the piston rod (32) in the controller (32F) of the hydraulic cylinder (32C) described above.
The setting of the advance amount in E) will be described.

The maximum amount of advance is that the lower surface position of the tray body (5A) of the transfer tray (5) supported by the arm (32A) joined to the piston rod (32E) is the holding seam (33C) of the holding means (33). The amount is higher than the upper surface of.

The first amount of advance is determined by the column (5) of the carrying tray (5) supported by the arm (32A).
The amount is such that C) engages with the engaging portion (5D) on the lower surface of the tray body (5A) of the transport tray (5) held by the holding arm (33C). Furthermore, the second advance amount is
The arm (32) joined to the piston rod (32E)
Stacked transport trays (5) supported by A)
Of the lowermost carrying tray main body (5A) is lower than the lower surface of the holding arm (33C) of the holding means (33), and the lower surface position of the second carrying tray main body (5A) is lower. The amount is higher than the upper surface of the holding arm (33C).

C. Storage Mechanism Hereinafter, details of the storage mechanism (7) will be described with reference to FIGS. 1 and 5.
It will be explained based on.

As shown in FIGS. 1 and 5, the storage mechanism (7) has a plurality of storage conveyors (72) arranged side by side so that one of them is connected to the transfer end of the transfer means (2).
A stop means (73) provided at each transport end of the storage conveyor (72), and a discharge conveyor (7) connected to the transport end of the storage conveyor (72).
1) and a pushing means (7) provided so as to face the storage conveyor (72) with the carrying means (2) interposed therebetween.
4) and a control means (75) for controlling the operation of the pushing means (74).

The storage conveyor (72) is a known roller conveyor, and the drive roller (72A).
And a support frame (72B) for supporting the same and a motor (72C) for driving the drive roller (72A). In addition, this storage conveyor (72)
Is assigned according to the type of package to be stored, and is set in order of type number 1, 2, 3, ... From the stacking mechanism (1) side, for example.

The stop mechanism (73), as shown in FIG.
An air cylinder (73A) that is provided between the storage conveyor (72) and the discharge conveyor (71) and is vertically driven, and the air cylinder (73).
A) for supporting the (A) and the air cylinder (7)
3A) and a stop plate (73D) provided at the tip of the piston rod (73C). Also, air cylinder (73A)
The stop plate (73D) is designed to have a size and strength sufficient to stop the stacked transport trays (5). When the piston plate (73C) moves upward and is at the uppermost end, the stop plate (73D) protrudes above the upper surface of the driving roller (72A) so that the stopper plate (73D) is at the lowermost end. , The roller (72A) is provided so as to be lower than the upper surface thereof.

The pushing mechanism (74) is an air cylinder (7) for driving the piston rod (74C) horizontally.
4A), a support (74B) that supports the air cylinder (74A), a known photoelectric sensor (74E) that detects the transport tray (5), and the piston rod (74C).
And a push plate (74D) provided at the tip of the.

Although not shown in detail, the control mechanism (75) is an input device for inputting a product type number, for example, a keyboard having input keys 0 to 9, and a storage section for storing the input product type number. Each storage conveyor (72)
Photoelectric sensor (74) provided in the pushing mechanism (74) of
E) an input section for receiving the detection signal of the transport tray, a signal storage section for storing the number of times the signal is input, and a push-out instruction for the air cylinder (74A) of the push-out mechanism (74) of the storage conveyor (72). And an instruction section to perform.

The discharge conveyer (71) is a known roller conveyer like the conveying means (2), and includes a driving roller (71A), a supporting frame (71B) for the driving roller (71A), and a driving roller (71A). And a motor (71C) for driving. Further, the conveying means (2) is installed so as to be parallel to each other.

It is to be noted that the conveying means (2), the storage conveyor (72) and the discharge conveyor (71) are provided so that the respective roller upper surfaces have substantially the same height.

Next, the operation of the embodiment apparatus having the above configuration will be described.

As shown in FIG. 3, the horizontal support (33G) in the first holding portion (33A) of the stacking mechanism (1).
Is rotated in the Z direction shown by the arrow, and is placed and supported on the vertical support column (33F).

First, the piston rod (31C) of the air cylinder (31A) of the positioning mechanism (31) shown in FIG. 4 is moved vertically upward so that the stopper plate (31D) is projected upward from the upper surface of the roller (2A). At the same time, the piston rod (32E) of the air cylinder (32C) of the raising means (32) is moved downward to move the raising arm (32A) to the lowermost position, that is, below the upper surfaces of the rollers (2A) and (2C). Move to.

The holding parts (33A) and (33B)
Air cylinder (33D) piston rod (33H)
In the direction of arrow D to move the two holding arms (33C) facing each other in the horizontal direction so as to separate from each other.

Thereafter, the drive roller (10A) is driven by the drive motor (10C) of the transport means (2) to move the first transport tray (5) on which the package (6) is placed in the direction of arrow B. Then, the transport tray (5) is positioned by bringing it into contact with the stop plate (31D).

Then, the piston rod (32E) of the air cylinder (32C) of the elevating means (32) is raised to move the raising arm (32A) vertically upward, so that the carrying tray (5) is moved during the movement. The arm (3
2A) Place it on top and raise it together. Then, the raising arm (32A) is stopped at a predetermined position, that is, the position where the lower surface of the tray body of the transport tray (51) is higher than the upper surface of the holding arms (33C) of the holding mechanisms (33A) and (33B).

Then, the holding mechanisms (33A) and (33
B) Air cylinder (33C) piston rod (33
G) is moved in the arrow C direction so that the two holding arms (33C) facing each other approach each other.

Next, the piston rod (32E) of the air cylinder (32C) of the elevating means (32) is moved downward so that the arm (32A) is located at the lowermost position, that is, above the upper surface of the roller (12A). Move it until it sinks downward.

As a result, the transport tray (5) placed on the arm (32A) is placed on and supported by the holding arm (33C) while the arm (32A) is descending. At this time, it is stored that the accumulator (32G) holds a single-stage transport tray (5).

Then, in the same manner as described above, the second transport tray (5) is transported by the transport means (2), and the second transport tray (5) is positioned at a predetermined position by the positioning means (31). Then, the piston rod (32E) of the hydraulic cylinder (32C) of the ascending / descending means (32) is set to the first advance amount set in the controller (32F), that is, the second rod supported by the arm (32A). The support column (5C) of the transfer tray (5) is connected to the holding arm (33).
It is advanced by such an amount as to engage with the engaging portion (5D) of the first transport tray (5) supported by C). Thus, the first transport tray (5) is replaced with the second transport tray (5).
Place and stack on top.

Then, the piston rod (32E) of the hydraulic ring (32C) is connected to the controller (32F).
Advance only the second advance amount set in. This allows
The position of the lower surface of the tray main body (5A) of the first transfer tray (5) is higher than the upper surface of the holding arm (33C), and the tray main body (5A) of the second transfer tray (5).
The upper surface of is lower than the lower surface of the holding arm (33C).

Then, when the lower surface of the first transfer tray (5) is separated from the holding arm (33C) of the holding means (33) in this way, the piston rod (of the air cylinder (33D) of the holding portions (33A) and (33B) ( 33G) in the direction of arrow D so that the two holding arms (33C) facing each other are separated from each other. In this way, the holding arm (33C) and the tray body (5A) of the second transfer tray (5) are prevented from colliding with each other, and then the piston rod of the hydraulic cylinder (32C) of the raising means (32). (32E) is lifted to the uppermost end to lift the arm (32E).
A) is moved vertically upward, and the first transfer tray (5) and the second transfer tray (5) are raised to predetermined positions. This position is the same height as the position where only the first transport tray (5) is raised, and the position of the lower surface of the tray body (5A) of the second transport tray (5) is the holding portion (33).
A) and (33B) are higher than the upper surface of the holding arm (33C).

Next, the holding mechanisms (33A) and (33
B) Air cylinder (33D) piston rod (33
H) is moved in the arrow C direction so that the two holding arms (33C) facing each other approach each other.

Then, in the same manner as described above, the elevating means (32)
The air cylinder (32C) of the
Two transport trays (5) that are stacked by lowering A)
Is placed and held on the holding arm (33C), and the integrator (32G) is updated to memorize that the two-stage transport tray (5) is held.

When the above operation is repeated and the transport trays (5) are stacked by a predetermined number, that is, when the number stored in the integrator (32G) and the preset number match. , Hydraulic cylinder (32C) of lifting means (32)
Is driven to lower the arm (32A) to the lowermost end, and the transport trays (5) stacked in a predetermined number are placed on the conveyor (12).

Then, the support base (33H) of the first holding portion (33A) is driven to rotate and move the horizontal support body (33G) in the Y direction shown by the arrow.

Then, the air cylinder (31A) of the positioning mechanism (31) is driven to drive the piston rod (31C).
And move the stopper plate (31D) to the roller (2
A) Lower to a position lower than the upper surface. Then, the stacked transport trays (5) are indicated by the transport means (2) as indicated by arrow A.
Transport in the direction.

Then, after discharging the carrying tray (5),
A horizontal support (33G) is driven by driving the support base (33H).
Rotate in the Z direction indicated by the arrow to return it to its original position.

Next, after the worker inputs the predetermined product type number of the transport tray (5) corresponding to the input device (75A) of the control mechanism (75), the stacked transport trays (5) are transported. It is conveyed to the storage mechanism (7) by means (2). When the transport tray (5) is transported to the storage conveyor (72) corresponding to the predetermined product type number,
According to an instruction from the instruction section of the control mechanism (75), the piston rod (74C) of the air cylinder (74A) of the push-out mechanism (74) is in the horizontal direction, that is, the storage conveyor (7).
The push plate (74D) abuts on the side surface of the transport tray (5) and feeds it to the storage conveyor (72). At this time, the control mechanism (75)
The product type number of the package, which is input in advance by the worker and stored in the storage unit, and each storage conveyor (7
The input unit compares the input signal from the photoelectric sensor (74E) provided in 2) from the input unit with the number of inputs stored in the signal storage unit, and if they match, the instruction unit determines the corresponding push-out mechanism. In contrast to (74), air cylinder (7
4A) The push command is output. That is, as mentioned above,
Since the package type numbers are set to serial numbers such as 1, 2, 3, ..., the transport tray (5) group to which the photoelectric sensor (74E) provided on the storage conveyor (72) reaches the same part Is detected and the signal storage unit integrates the detection signals, so that the consistency between the set product type number of the storage conveyor (72) and the product type number of the package conveyed to the same unit can be confirmed.

Thus, the predetermined storage conveyor (7
The transport tray (5) sent to 2) is transported to the end. As described above, the stop mechanism (73) is provided at the end of the storage conveyor (72), and the piston rod (73C) of the air cylinder (73A) of this stop mechanism (73) is moved vertically upward and stopped. The plate (73D) is projected above the upper surface of the roller (72A), and the transport tray (5) transported by the stop plate (73D) is stopped. In this way, a predetermined number of packages are stored.

Then, in a storage conveyor (72) of a type that has reached a predetermined number of packages and is ready for packing, vertically lower the piston rod (73C) of the air cylinder (73A) of the storage conveyor (72). The stop plate (73D) to the roller (72
A) A transfer means (7) in which the stacked transfer trays (5) are provided on the downstream side of the storage conveyor (72).
It moves to 1) and is conveyed to a packing process by this conveying means (71).

In the packing process, the packages may be directly taken out from the stacked carrying trays (5) and packed, or if the packages are once separated into individual carrying trays (5) and then packed. This is achieved by installing the stacking mechanism (3) between the storage conveyor (72) and the packing process, and causing each part to perform an operation which is completely opposite to the operation in the stacking described above.

[0060]

As described above in detail, according to the first and second aspects of the present invention, the package can be automatically and efficiently stored in a smaller area than the conventional one.

[Brief description of drawings]

FIG. 1 is a perspective view showing a package storage device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a transport tray.

3 is a perspective view showing a package stacking device in FIG. 1. FIG.

FIG. 4 is a side view of the package stacking device of FIG. 1 in the X direction of the arrow.

5 is a side view showing the storage mechanism in FIG. 1. FIG.

FIG. 6 is a perspective view showing a conventional storage device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Package stacking apparatus 2 Conveying means 10 Conveying means 11 Conveying means 3 Stacking mechanism 31 Positioning means 32 Lifting means 33 Holding means 4 Tray 5 Tray 6 Package 7 Storage mechanism

Claims (2)

[Claims] 1. A transport means for transporting a tray on which a yarn package is placed, and a stacking mechanism provided in the middle of the transport means. The stacking mechanism positions the tray at a predetermined position. A stacking means for raising and lowering the positioned tray, and a holding means for holding the raised tray, which is provided above the lifting means. apparatus. 2. A transport means for transporting the tray on which the yarn package is placed, a storage mechanism connected to the transport means for storing the transported tray, and a storage mechanism and a connection portion of the transport means. A stacking mechanism, and the stacking mechanism is provided above the lifting means, a positioning means for positioning the tray at a predetermined position, a lifting means for raising and lowering the positioned tray. A package storage device provided with a stacking device, comprising a holding means for holding the raised tray.