JPH085442B2 - Automatic bulk filling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The automatic bulk filling device of the present invention is used to store bulk items such as cement, food, and chemicals such as fertilizers from silos into paper bags, plastic bags and flexible container bags (flexible containers). The present invention relates to a device for automatically filling a certain amount of bags such as bags and the like, and after the filling, the bag mouth is sewn and sealed with perforations, transferred and loaded.

[Prior Art] The above-mentioned filling / sealing work of bulk material is performed by manually contacting bags with the outlet of the silo under a silo and dropping the switch at the outlet by a fixed amount manually or electrically to fill it up. At that time, the bags were tied with a string or hemp rope and sealed. In addition, since the bag and the outlet of the silo are not in close contact with each other, dust is scattered around and the work environment is deteriorated.

[Problems to be Solved by the Invention] However, in order to perform these filling operations, a lot of dust is generated, the working environment is bad such as heat, and the consumption of physical strength is remarkable due to the movement of heavy bags, and However, it has a working condition of simple repetitive work, and it is difficult to allocate workers due to a serious labor shortage of workers. In addition, the retirement of older workers currently working increases year by year and the number of workers increases. I still have a worry that I cannot depend on securing. As a countermeasure against these problems, various methods have been studied for automatic filling, but at the present time, there is no suitable equipment, and the arrival of inexpensive and easy-to-handle automated equipment has been awaited.

[Means for Solving the Problems] Therefore, these loose items can be efficiently and safely used, and
In order to automatically perform filling and sealing operations, in the bulk automatic filling apparatus of the present invention, an electric carriage capable of reciprocating on a traveling rail installed right below a silo in which bulk is stored is provided. A packer provided on an electric trolley and fitted in the silo discharge port, the packer having a vertically movable receiving port and a bag port mounting port, and a bag loading machine for mounting an empty bag opening at the bag port port of the packer. A sewing machine device for stitching a flexible container bag, which is provided in the middle of the traveling rail, and an operation stop of the reciprocating motion of the electric cart, an operation stop of an up and down movement of an inlet of the packer, a start stop of the bag loading machine, and the sewing machine device. And a control panel for controlling the suturing operation of the bag, wherein the pucker is a clamp mechanism for mounting and holding an empty bag inlet at the bag mouth attachment opening, and a receiving mechanism for the silo discharge. Close contact with the outlet And a tilting attachment column pivotally attached to the lower end of the empty bag storage unit and a suction cup at the front end between the end of the empty bag storage unit and directly below the silo. A semi-circular shape equipped with an empty bag unloader that horizontally rotates and a suction cup that is installed directly below the silo and that can move forward and backward in the horizontal direction and that sandwiches the intake of the empty bag and sucks the side surface of the intake. It is composed of a pair of left and right opening machines having free arms.

[Operation] In the automatic bulk filling device of the present invention, the electric cart is transferred to the stop position immediately below the silo, and an empty bag of a paper bag or a flexible container bag (hereinafter referred to as bags) is placed on the electric cart by a bag loading machine. After the transfer, open the empty bag inlet in a circular shape, and attach and hold the empty bag inlet to the pucker bag mouth mounting opening by the clamp mechanism arranged at the top of the mounting column, and raise the upper receiving opening. After contacting and contacting the silo outlet, the open / close valve of the silo is opened to drop and throw loose material into the bag. When the filling is completed, the on-off valve closes, the clamp mechanism is released, the bag inlet is disengaged from the bag mouth opening mounting port of the packer, the electric carriage starts moving, and moves to the position of the sewing machine installed in the middle of the traveling rail. Stop. At this time, the sewing part of the sewing machine is descending from the upper side to the upper end height of the inlet of the bag, and the circular or square inlet is guided by the guide and guide roller of the sewing machine so as to be aligned with the letter. Is sewn at the sutured part.

After this work is completed, the sealed bags are transferred to the loading area at the end of the traveling rail while being loaded on the electric cart, and then unloaded to the cargo bed of the truck or other transportation vehicle by a forklift or a crane device. It will be shipped to the destination. The emptied electric trolley moves again in the silo direction, and an empty bag is attached to the bag inlet of the packer by the bag loading machine just below the silo.

[Embodiment] FIGS. 1 to 9 relate to an embodiment of the present invention. FIG. 1 is an overall side view, FIG. 2A is an overall plan view, and FIG. 3 and 4 are perspective views of the essential parts of the sewing machine, FIG. 4 is a perspective view of an empty bag storage and an empty bag unloader, FIG. 5 is a plan view of an opening machine, and FIG. 5 (a) is an empty bag. In the state of
FIG. 5 (b) shows a state where the empty bag inlet is opened in a perfect circle. FIG. 6 is a sectional side view of an essential part, FIG. 7 is an enlarged sectional view of an essential part, FIG. 8 is a plan view taken along the line VIII-VIII of FIG. 7, and FIG. 9 is a process diagram of an automatic bulk filling operation.

In the figure, 1 is a silo for storing loose items, 1a is an outlet whose outer skin is covered with rubber, 2 is an automatic filling device for loose items,
3 is a traveling rail, 4 is an electric trolley, 5 is a stopper at the silo position of the electric trolley, 5a is an emergency stopper, 5b
Is a stopper at an unloading place, 6 is a sewing machine, 7 is a bag loading machine, 8 is a control panel, 9 is a loading / unloading area, 10 is a hydraulic cylinder for lifting the sewing machine, 11 is a trolley, 12 is an overhead traveling rail,
40 is a packer, 60 is an empty bag hangar, 70 is an empty bag unloader, 80 is an opening machine, and 100 is a flexible container bag.

The automatic bulk filling device of the present invention is almost fully automatic at 50 kg.
Since up to about 1 ton of bulk material can be packed in a bag and sealed for efficient transportation, as shown in FIG. 2 (a), for example, a bag after processing at the point where four silos are connected together. The packed bulk can be efficiently transported to a transportation machine such as a truck.

 Hereinafter, details of each part will be described with reference to the drawings.

As shown in FIG. 6, the packer 40 includes an upper inlet port 48a and a bag port attachment port 48c, and an inlet port 48 formed of a bellows tube 48b in the middle and vertically expandable, an upper inlet port 48a and a bag port attachment. An upper flat plate 46 connected to the receiving port 48 via hydraulic cylinders (or air cylinders) 46a, 46b at each of the ports 48c, a pin joint with the upper flat plate 46 at the upper end, and a pin joint with the electric carriage at the lower end. It is composed of mounting columns 45, 45 forming a parallelogram type link, and a pair of left and right clamps 47 arranged below the upper flat plate 46 and symmetrically opposed to the silo center line.

More specifically, the mounting column 45 constitutes a parallelogram link in the present embodiment, and is pin-joined to the upper flat plate 46 by the two-pin fulcrum at the upper end and pinned near the floor of the electric carriage 4 at the lower end. They are joined and can be tilted by the operation of the hydraulic cylinder 45a. Further, the receiving port 48 has an upper and lower receiving port 48a and a lower bag mouth mounting port 48c which are vertically connected to each other with an elastic bellows tube 48b interposed therebetween, and the outer periphery of the bag port mounting port 48c is made of an elastic material such as rubber. A pair of clamps 47, into which the body 47a is fitted and which are divided into two substantially semicircles, are moved forward and backward by the air cylinder 47b to attach / detach the intake 100a of the flexible container bag 100 to the bag mouth mounting port 48c. A rubber body having elasticity is fixed to the inner circumference of the clamp 47. In addition, the bag mouth mounting port 48
Not only can c and the clamp 47 be moved up and down by the hydraulic cylinder 46b, but the upper receiving port 48a can also be moved up and down by the hydraulic cylinder 46a.

On the other hand, the bag loading machine 7 includes an empty bag storage 60 and an empty bag unloader 70.
And opening machine 80. The empty bag storage 60 is fixed near the silo 1 as shown in FIGS. 2 (a) and 2 (b), and as shown in FIG. 4, the empty bags can be arranged in a column in a folded state. The empty bag is locked by a pair of left, right, upper and lower hooks at one end, and the empty bag group is lightly moved to the other end by an unillustrated spring mechanism in the empty bag outlet direction on the one end side. I am biased. The empty bag unloader 70 is sucked by a vacuum pump at the tip and a suction cup 70a that abuts against the side surface of the empty bag and sucks it and a support 70b connected to the suction cup 70a.
And a reversible motor 70e that rotates the rotating lever 70c at a substantially right angle in the horizontal direction by a rotating shaft 70d. Transfer to. The electric trolley 4 is stopped at the point B, and the empty bag stands still at a predetermined position of the electric trolley 4 in a flat state.

The opening machine 80 is arranged at the height of the empty bag inlet at point B, and as shown in FIGS. 5 to 7, in order to expand the flat empty bag inlet 100a into a circular shape (or a regular shape). A pair of left and right arms sandwiching an empty bag, a swing arm 80b, which is pin-joined at both ends of the open arm 80a, a support 81 for supporting the open arm 80a, an air cylinder 82, and a swing arm.
80b, 80b Advancing and retracting air cylinders 83, 83, suction arm 80a is provided on the side surface of the opening arm 80a and the revolving arms 80b, 80b that abut the empty bag, and sucks air with a vacuum pump like the suction cup 70a. An air suction pipe 84 is provided. The air cylinder 82 is rigidly contacted with a rotating lever 85 that rotates around a vertical rotation axis 86.

Then, after the empty bag is transferred to the point B by the rotation of the empty bag unloader 70, as shown in FIG.
Swivel and advance of air cylinder 82,
When the opening machine 80 presses 0a from both sides, the opening arm 80
When sucked with a, the left and right central portions of the empty bag are brought into close contact with the opening arm 80a and the state shown in the figure is obtained. Thereafter, the opening arm 80a moves backward together with the support 81 from the intake 100a, the piston rods of the air cylinders 83, 83 move forward and stop in the state of FIG. 5 (b), and the opening arm 80a and the swiveling arms 80b on both sides are stopped. By suctioning also on the side surface of the revolving arm 80b while maintaining the semicircular state, the empty bag attachment port 100a is retained in a circular shape (or a regular shape). The opening arm 80a and the revolving arm 80b are formed of curved surfaces so as to have a semicircular shape in the extended state as shown in FIG. 5 (b). Second
FIG. 2B shows the arrangement of the empty bag storage 60, the empty bag unloader 70, and the opening machine 80.

Next, the sewing machine 6 will be described. As shown in FIG. 3, the upper end of the inlet 100a of the bag filled with the electric carriage 4 passes through the pair of left and right guide guides 6a and guide rollers 6b which are open at the same time as the hydraulic cylinder 6d.
The pair of left and right bag mouth pressing machines 6c pressed by the above-mentioned means make the bag closed in a straight line. After the electric carriage 4 stops, the piston rod 10a of the hydraulic cylinder 10 descends, and stops at a height where the upper end of the bag inlet 100a matching the exact letter fits into the reverse recessed groove of the suture portion. After that, the sewing machine 6
When the carriage 11 moves at a slow speed in the silo direction, the upper end of the bag inlet 100a is sewn with a thread.

The operation of the loose material filling device of the present invention configured as described above will be described.

First, the empty bag is set at a predetermined position of the electric trolley stopped just below the silo by the bag loader 7 (empty bag hangar 60, empty bag unloader 70, opening machine 80), and then the empty bag inlet 100a
Are circularly opened (state of FIG. 6). Next, the bag mouth mounting port
48c is lowered by the operation of hydraulic cylinder 46b, and the bag intake
The bag mouth mounting port 48c is fitted into the inner surface of the upper end of the 100a, and the air cylinder 47b is operated to be tightly held by the clamp 47 (Seventh).
(State of figure). Next, the upper receiving port 48a is raised and brought into close contact with the discharge port 1a. After the above preparations have been completed, the open / close valve of the silo is opened and the required amount of time has passed, the bulk material is fully filled. At this time, the opening machine 80 and the empty bag unloading machine 70 are separated and retracted. Eventually, the full bag stands upright on the floor of the electric carriage 4. The air in the bag being filled escapes to the outside via the air tube 1b and the filter 1c. After that, lower the upper entrance 48a,
After the clamp 47 is expanded and detached, the bag mouth attachment port 48c is raised, and the mounting column 45 tilts and retracts to the front as shown by the dashed line in FIG. It becomes unrelated.

Next, the electric carriage 4 advances to the position of the sewing machine device 6, and the bag mouth is aligned and sewn by the room guide 6a, the guide roller 6b and the bag mouth retainer 6c. When the sewing operation is completed, the sewing machine device moves upward and retracts.

After that, the electric trolley 4 moves to the cargo handling area 9 at the end, where the filled bag is loaded and transported to the destination.

When the above work is arranged, the process is as shown in FIG.

In the sewing operation by the sewing machine device 6, the electric carriage 4 is stopped and the sewing machine device 6 is moved in the reverse direction. However, the electric carriage 4 may be moved forward at a slight speed and the sewing machine device 6 may be stopped to perform the sewing operation.

The automatic bulk material filling device of the present invention can automatically fill the empty bag set in the packer with the bulk material, and can perform almost fully automatic operation such as sewing the filling bag with a sewing machine. Since it is possible, centralization of cargo handling work,
It is possible to improve work efficiency.

In the present invention, the automatic bulk material filling device is installed immediately below the silo 1, but a hopper scale may be interposed between the silo and the device.

The control panel 8 can be operated, stopped, and started in sequence for the operation of the various power means described above, and can be automatically operated by program control.

[Effects of the Invention] As described above, according to the device for automatically filling loose materials of the present invention, the empty bag is loaded, the loose material is filled, and the seams are sealed and sutured almost automatically by only a few supervisors. In addition to transporting and cargo handling, installation efficiency can be improved due to the integration of multiple units, and a significant reduction in cargo handling costs can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 8 show an embodiment according to the present invention, FIG. 1 is an overall side view, FIG. 2 (a) is an overall plan view, and FIG. 2 (b).
Is an enlarged plan view of an essential part, FIG. 3 is a perspective view of an essential part of the sewing machine,
FIG. 4 is a perspective view of an empty bag hangar and an empty bag unloading machine, FIG. 5 is a plan view of an opening machine, FIG. 5 (a) shows a state in which the empty bag is sandwiched, and FIG. 5 (b) shows air. The state where the inlet is opened in a perfect circle is shown. FIG. 6 is a sectional side view of an essential part, FIG. 7 is an enlarged sectional view of an essential part, FIG. 8 is a plan view of FIG. 7 taken along line VIII-VIII, and FIG. 9 is a process diagram of an automatic bulk material filling device. 1 ... Silo, 2 ... Automatic filling device, 3 ... Running rail, 4 ... Electric carriage, 5 ... Stopper, 6 ... Sewing machine, 7 ... Bag loading machine, 8 ... Control panel , 9 …… Loading area, 10 …… Hydraulic cylinder, 11 …… Bogie, 12 …… Ceiling rail, 40 …… Packer, 45 …… Mounting column, 46 …… Upper horizontal plate, 47 …… Clamp, 48… … Inlet, 48a… upper inlet, 48b… bellows tube, 48c… bag mouth mounting port, 60 …… empty bag hangar, 60a… hook, 70 …… empty bag unloader, 70a… sucker, 70b
… Support, 70c… Rotating lever, 70d… Rotating shaft, 70e… Reversible motor, 80… Opening machine, 80a… Opening arm, 80b… Swiveling arm, 80c… Suction groove, 81… Support, 82… Air Cylinder, 83 …… Air cylinder, 84 …… Air suction pipe, 85
…… Rotary lever, 86 …… Vertical rotation axis, 100 …… Bags, 100
a ... the bag intake.

Claims (1)

[Claims] 1. An electric trolley capable of reciprocating on a traveling rail laid directly below a silo storing bulk items, and a vertically movable receiving port provided on the electric trolley and fitted to the silo discharge port. A packer having a bag mouth mounting opening, a bag loading machine for mounting an opening of an empty bag at the bag mouth mounting opening of the packer, a sewing machine device for stitching a flexible container bag provided in the middle of the traveling rail, and the electric cart. An automatic bulk filling device comprising: a reciprocating operation stop, an up / down operation stop of the inlet of the packer, a start stop of the bag loading machine, and a control panel for controlling the sewing operation of the sewing machine. The packer has a clamp mechanism for mounting and gripping an empty bag inlet to the bag mouth mounting port and a power means for closely contacting the receiving port with the silo outlet, and is pivotally mounted at the lower end for tilting. Consists of a mounting column The bag loading machine has an empty bag hangar and a suction cup at the tip, and is arranged directly below the empty bag unloader and the silo that horizontally rotates between the end of the empty bag hangar and the silo, and can move forward and backward in the horizontal direction. 2. An automatic bulk filling device comprising a pair of left and right opening machines each having a semicircular rotatable arm equipped with a suction cup that sandwiches the inlet of the empty bag and sucks a side surface of the inlet.