JPH0798581B2 - Flexible container filling and loading method and device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a method for filling and handling a flexible container in which a bag-like flexible container, which is a container for transporting powder or granules, is filled with the powder or granules and is loaded on a carrier. And the device.

[Prior Art] Conventionally, when a powdery granular material is transported using a bag-shaped flexible container made of synthetic fiber, the powdery granular material is filled by a filling device, and is temporarily placed in a container storage to remove air entrained during filling. It is temporarily placed and shipped from a container yard in a container truck according to a shipping request. At this time, forklifts, hoist cranes, etc. are exclusively used to transfer the flexible containers.

[Problems to be Solved by the Invention] However, if the flexible container is transferred to each of the filling place, the temporary storage place, and the loading place by a forklift or a hoist crane, a lot of manpower is required and the transportation efficiency is very poor. Therefore, it was desired to automate the filling, transfer, and loading, but the flexible container that entrains air when filling the powder or granular material is
Since the air in the container is extracted or deformed easily due to its nature, the automation of filling transfer and loading was delayed.

In view of the above points, the present invention utilizes a shape-retaining pallet that retains a flexible container in a predetermined shape, and circulates and fills the shape-retaining pallet between a filling device and a loading device.
An object of the present invention is to propose a method and an apparatus for filling and loading a flexible container in which the transfer and the loading are automated.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention provides a granular material filling device for filling a granular material into a flexible container, which is a bag-shaped granular material transportation container, and a pre-filled material. A container loading device that lifts a flexible container, moves it onto a transport vehicle, and loads it on the transport vehicle; and a predetermined number of shape-retaining pallets having shape-retaining frames that hold the flexible container in a predetermined shape. A pallet circulation device that circulates between the loading device and a pallet circulation device, and the pallet circulation device includes a transfer conveyor that moves the pallet mounted on the flexible container over a time required for extracting air entrained in the flexible container during filling. An object of the present invention is to provide a filling and loading device for a flexible container, which is characterized by being provided.

[Operation] According to the apparatus for loading and unloading flexible containers according to the present invention, a shape-retaining pallet that holds the flexible container in a predetermined shape is adopted, and the shape-retaining pallet is placed on the pallet circulation device to form powder particles. Automation is possible by circulating and transporting between the body filling position and the loading position on the carrier. First, a flexible container is attached to the shape-retaining pallet flowing on the pallet circulating device before the powder and granular material filling device and fed to the filling device. Then, a predetermined amount of powder or granular material is metered and supplied in the powder or granular material filling device, and when the filling is completed, the flexible container is conveyed toward the loading position on the carrier while the flexible container is held in the predetermined shape by the shape retention pallet. During this period, it is preferable to allow a predetermined time to elapse in order to expel the air entrained during filling. The deflated flexible container is sent to the container loading device and the flexible container is lifted by the container loading device.
At the same time when the shape-retaining pallet is released from the shape-retaining pallet, the shape-retaining pallet is sent back to the original filling position by the pallet circulation device. The lifted flexible container is moved to a predetermined position on the carrier and then lowered, and the suspended state is released to complete the loading on the carrier. The relative position between the container loading device and the carrier is changed to sequentially shift the loading position on the carrier, and the loading operation is repeated to load a predetermined number of flexible containers on the carrier.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

First, the apparatus will be described. 1 is a shape-retaining pallet to which a flexible container 2 which is a powdery or granular transport container is mounted and transferred. The shape-retaining pallet 1 does not deform the shape of the flexible container 2 during transfer. A shape-retaining frame 4 is formed on the base 3 along the outer diameter of the flexible container 2. The shape-retaining pallet 1 is placed on the pallet circulation device 5, and the powder filling position A and the loading position B on the carrier 6 are set.
It tries to circulate between and. Pallet circulation device 5
Is a combination of a plurality of chain conveyors and is arranged as follows.

At the filling position A of the powder and granules, a packing section conveyor 8 for feeding the shape-retaining pallet to the powder-and-granule packing apparatus 7 is arranged, and the packing section conveyor 8 stops the shape-retaining pallet under the packing apparatus 7 and It is designed to be delivered after the body is completely filled.

Between the filling position A and the loading position B of the transport vehicle 6, the filled flexible container 2 is loaded with the container loading device 9
A transfer conveyor (10) is provided for transferring and feeding. The transfer conveyor 10 is provided with an accumulator mechanism for transferring the air entrained in the flexible container 2 at the time of filling, while stopping the air before the container loading device 9 and synchronizing the timing of sending it to the container loading device 9. ing.

Further, between the loading position B on the transport vehicle 6 and the filling position A, a horizontal feeding conveyor 11 for taking out the empty shape-retaining pallet 1 from which the flexible container 2 has been detached by the container loading device 9 and the horizontal feeding conveyor 11 are provided. A return conveyor 12 for connecting and returning the empty shape-retaining pallet 1 to the filling position A is provided. The return conveyor 12 has an accumulation function for temporarily stopping the shape-retaining pallet 1 and sending it to the filling section conveyor 8.

Further, a transfer conveyor 13 for transferring the shape-retaining pallet 1 between the conveyors is arranged at the connecting portion of each conveyor, and the transfer conveyor 13 has a structure in which the chain conveyor portion is vertically movable. When the shape-preserving pallet 1 is transferred, it is lowered and placed on the receiving side conveyor.

The container loading device 9 is provided with a container transfer device 15 that lifts the flexible container 2 on a pedestal 14 and transfers the flexible container 2 to the transport vehicle 6 for loading. The container transfer device 15 includes a traveling body 16, a lifting body 17, and a hook 18 for hanging a hanging rope.
It consists of The traveling body 16 has wheels 19 arranged at four corners, the wheels 19 are mounted on a traveling rail 20 fixed on a pedestal 14, and the traveling motor 21 rotationally drives the wheels 19 to drive the traveling rail 20.
It can run freely on the top. The lifting body 17 is mounted so as to be vertically movable along a guide member 22 provided upright on the side of the traveling body 16, and one end of a chain 24 wound around a sprocket 23 arranged above the lifting body 17 is lifted and lowered. While attaching to the upper end of the body 17 and attaching the other end of the chain 24 to a weight (not shown) to balance the sprocket 23, the sprocket 23 is rotated by the elevating motor 25 to raise and lower the elevating body 17. I have to. Two sets of hooks 18 for hanging the hanging rope are attached to the lower end of the lifting / lowering body 17.
The hooking metal fitting 26 is freely rotatable by a cinder (not shown), and the hanging rope of the flexible container can be attached and detached.

The container transfer device is provided below the container loading device 9.
A transport vehicle moving device 27 is provided for loading the flexible container 2 on the loading platform 28 of the transport vehicle 6 by moving the transport vehicle in a direction orthogonal to the traveling direction of the traveling body 16 of 15. The carrier moving device 27 has a carrier moving base 29 on which the rear wheels of the carrier 6 are placed so as to be movable back and forth, and a chain 31 is wound around sprockets 30 and 30 'arranged at the front and rear of the device. The tip portion is attached to the carrier moving base 29, and the carrier moving base 29 is moved back and forth by driving the drive motor 32.

Next, the method of filling and loading the flexible container will be described.

First, the flexible container 2 is manually attached to the empty shape-retaining pallet 1 on the return conveyor 12, and the attached shape-retaining pallet 1 is sequentially sent to the filling section conveyor 8. The filling part conveyor 8 conveys the shape-retaining pallet 1 and stops when the shape-retaining pallet 1 is located below the powder / particle filling device 7. Then, a predetermined amount of powder or granular material is weighed in the powder or granular material filling device 7 and is discharged to the flexible container 2. When the dispensing is completed, the filling section conveyor 8 is restarted, and the filled flexible container 2 is transferred to the transfer conveyor 10 while the shape thereof is retained by the shape-retaining pallet 1. The flexible container 2 is conveyed to the container loading device 9 by the transfer conveyor 10. When the transfer container 10 is transferred, the flexible container 2 is inflated due to the air entrained at the time of filling and is stable without the shape-retaining pallet 1. Since such a state does not occur, it is advisable to determine the transfer time in consideration of the time for expelling the air in the container before reaching the container loading device 9. According to the experiment, when the powder container is filled in the flexible container 2 of 1 ton and naturally left, it takes about 5 minutes for the air inside to be released and to be stabilized. Therefore, it is preferable to devise such that the flexible container 2 is retained on the transfer conveyor 10 for about 5 minutes. If the flexible container 2 is vibrated during transfer so that the air in the container is forced out, the transfer time can be shortened.

The shape-retaining pallet 1 equipped with the flexible container 2 that expels the air inside is temporarily stopped by the accumulation function in front of the container loading device 9, and the container loading device 9
The two containers are sent to the container loading device 9 in accordance with the operation timing of. At this time, in the carrier moving device 27, the rear wheels of the carrier 6 are placed on the carrier moving base 29, and the drive motor 32 is driven so that the front part of the carrier of the carrier 6 is below the container loading device 9. Pull in the carrier 6 so that it is positioned.

Then, the lifting / lowering body 17 of the container transfer device 15 located above the two flexible containers 2 on the transfer conveyor 10 is driven by the lifting / lowering motor 25 to lower the hooks for hooking the lower end of the lifting / lowering body 17. Hang the hanging rope of the flexible container 2. Then, the elevating motor 25 is reversely driven to move the elevating body.
17 is lifted and the flexible container 2 is detached from the shape-retaining pallet 1. When the shape-retaining pallet 1 is temporarily clamped on the transfer conveyor 10 during this detachment, the flexible container 2 can be reliably detached.

Next, the traveling motor 21 is driven to move the container transfer device 15 to the upper position of the loading platform 28 of the transport vehicle 6 and stop it, and the elevating motor 25 is driven to lower the elevating body 17 to move the flexible container 2 Unload onto the carrier 28 of the carrier 6. Then, the hook metal fitting 26 is rotated to remove the hanging rope from the hook 18 for hooking. Subsequently, the lifting motor 25 is reversely driven to lift the lifting body 17, the traveling motor 21 is driven to move the container transfer device 15 onto the transfer conveyor 10, and the next preparation for lifting the flexible container 2 is started. .

In the carrier moving device 27, the flexible container 2
Drives the drive motor 32 every time a truck is loaded
29 is moved forward by one container, and the carrier 6 is moved to the next loading position.

By repeating the above operation, the flexible containers 2 are sequentially loaded on the carrier 6.

Further, the shape-retaining pallet 1 which has become empty on the transfer conveyor 10 is taken out by the lateral feed conveyor 11, fed to the return conveyor 12, stocked on the return conveyor 12, and waits for mounting the flexible container 2.

In addition, the filling and handling apparatus of the present invention is not limited to the above-described embodiment, and two or more container loading apparatuses 9 and transport vehicle moving apparatuses 27 are installed in parallel in order to improve loading efficiency. Good thing, also
Instead of moving the carrier 6 back and forth by the carrier moving device 27 to load the flexible container 2, the carrier 6
It is also possible to move the container transfer device 15 of the container loading device 9 in the front-back direction without moving the container loading device. It goes without saying that it is possible to adopt the means to exert.

[Effects of the Invention] As described above, according to the filling and loading method and device for a flexible container according to the present invention, the flexible container 2 is formed into a predetermined shape between the powder and granular material filling device 7 and the container loading device 9. The shape-preserving pallet 1 to be held is circulated, the flexible container 2 is attached to the shape-preserving pallet 1, and the flexible container 2 filled with powder and granules and transferred to the predetermined shape is set to a predetermined shape. The shape of the flexible container 2 can be kept stable and the position of the suspension rope for suspending the flexible container 2 can be stabilized, and the container loading device 9 can automatically perform the lifting and lowering of the flexible container 2.

Further, by making the transfer conveyor 10 from filling to loading have a length for the time required for extracting the air in the flexible container 2, the air entrained during the filling can be extracted during the transfer. It becomes possible to perform a series of work from filling to loading by flow work,
It is possible to automate the loading and unloading work of the flexible container 2.

[Brief description of drawings]

FIG. 1 is a plan view showing a filling and loading device for a flexible container according to the present invention, and FIG. 2 is a front view of FIG. 1 ... Shape pallet, 2 ... Flexible container, 4
...... Shape frame, 5 ...... Pallet circulation device, 6 …… Car,
7 ... powder and granule filling device, 8 ... filling section conveyor, 9 ...
Container loading device, 10 …… Transfer conveyor, 11 …… Transverse conveyor, 12 …… Return conveyor, 13 …… Transfer conveyor, 15 …… Container transfer device, 18 …… Hooking hook, 27 …… Transport Vehicle moving device, 28: Loading platform, A: Powder filling position, B: Loading position

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-62-78002 (JP, A) Actually open Sho-56-153401 (JP, U) Actual-open Sho-60-139793 (JP, U)

Claims (2)

[Claims] 1. A predetermined number of shape-retaining pallets for holding a flexible container, which is a bag-like powdery-particles transporting container, in a predetermined shape are prepared, and the shape-retaining pallets are loaded into a position where the powdery or granular material is filled and loaded into a carrier. It is circulated between the position and position, the flexible container is attached to the shape-retaining pallet and conveyed to the powder or granular material filling position, and a predetermined amount of powder or granular material is filled by the filling device at the powder or granular material filling position, The filled flexible container is transported to the loading position on the carrier for the time required to extract the air entrained at the time of filling, and the flexible container is lifted by the container loading device and released from the shape-retaining pallet. A method for filling and loading a flexible container, characterized in that the container is moved and loaded on a carrier. 2. A powder container for filling a flexible container, which is a bag-like container for transporting powder particles, with a powder container, and a flexible container that has been filled is lifted and moved onto a carrier to be used as a carrier. A container loading device for loading, and a pallet circulation device for circulating a predetermined number of shape-retaining pallets having a shape-retaining frame for holding the flexible container in a predetermined shape between the powder and granular material filling device and the container loading device, The pallet circulation device is equipped with a transfer conveyor that moves a pallet mounted on a flexible container over a time required for extracting air entrained in the flexible container during filling, and a device for loading and unloading a flexible container.