JPH07112720A - Tying apparatus - Google Patents

Abstract

PURPOSE:To prevent packages from being unfastened by automatically tying with a band an uppermost stage of the packages which have been loaded in a plurality of stages in a plurality of rows on a palette. CONSTITUTION:An endless band 26 comprising an elastic body or the like is wound around a plurality of conveyers 17, wherein the conveyer 17 is rotatably driven to move the endless band 26 to the lowest end where the band is disengaged and the endless band 26 is wound around each package on an uppermost stage on a palette. Thus only by having the endless band 26 around each conveyer 17, the package can be automatically tied, thereby preventing the packages from being unfastened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a banding device for banding a packaged product in which grains or the like are packed in a bag on a pallet in a plurality of rows in a plurality of rows and for banding the packaged product at the uppermost stage. It can be used as a strapping device.

[0002]

BACKGROUND OF THE INVENTION [Problems to be Solved by the Invention] A packing product in which grains and the like are packed in bags is stacked on a pallet in a plurality of rows in a plurality of rows so that the topmost tray can be held horizontally in a warehouse. Each of these packages in the part may collapse, and in order to prevent this, the package at the top is
Wrap a string or rubber band etc., but if it is a big one, it will take too much time and effort to wrap it with human hands, so let's wrap it automatically with a simple device It is what

[0003]

According to the present invention, a plurality of transfer devices 17, 17 ... For transferring an endless band 26 made of an elastic material or the like is provided, and the end parts of the transfer device 17 are endless. The banding device is characterized in that the body band 26 is detached and is automatically banded on a packed article (a) or the like.

[0004]

ACTION AND EFFECT OF THE INVENTION For example, when a package (a) in which grains or the like are packed in a bag is stacked on a pallet in a plurality of rows in a plurality of rows and horizontally held in a warehouse, each of the uppermost steps In order to prevent the load (a) from collapsing, the pallet is installed at the center of the banding device and the endless band 26 is hung over the plurality of transfer devices 17 of the banding device. By activating each transfer device 17, the endless body band 26 is transferred downward, and at the lower end of the transfer device 17, the endless body band 26 is disengaged and each of the uppermost steps on the pallet is removed. The endless body band 26 is banded on the packaged item (a).

As described above, the endless band 26 is hung on each transfer device 17 and each transfer device 17 is started, and the endless band 26 is transferred to each package (a) at the uppermost stage on the pallet. By automatically banding, the banding time and labor can be greatly reduced, and the load can be prevented from collapsing.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the example shown in the figure, the packed items (a) packed with grains and the like are piled up in a plurality of rows in a plurality of rows on a pallet (b) loaded on the starting end of the transfer conveyor 1, and the transferred pallets (b) are transferred. It shows a state in which the belt 1 is transferred to a predetermined position on the conveyor 1, and a banding device 2 for banding each packaged item (a) on the uppermost stage is installed at the end of the transfer conveyor 1.

The transfer conveyor 1 has a structure in which belts are stretched around the pulleys on both the left and right sides which are rotatably supported, and the pulleys on one side are driven by a motor (not shown). And a limit switch 3 for detecting a pallet (b) is provided at the end of the transfer conveyor 1, and the transfer conveyor is accompanied by the detection of the pallet (b) by the limit switch 3. 1 is automatically stopped at a predetermined position to stop the loaded pallet (b) and each packaged item (a) loaded on the pallet (b) at a predetermined position.

At the front stage of the transfer conveyor 1, as shown in FIG. 3, a package transfer device 3'for transferring a package (a) packed with grains and the like and a terminal part of the package transfer device 3 '. A packaging device 4'for receiving the packaged item (a) and holding and transporting the packaged item (a) on the pallet (b) mounted on the upper side of the transfer conveyor 1 is installed.

The support frame 4 of the banding device 2 is provided with columns 5 at four corners, and the columns 5 are vertically centered.
The upper and lower parts are provided with a central connecting frame 6, a ceiling connecting frame 7 and a lower connecting frame 7'which connect the columns 5 to each other to form a box shape. 6
Each inspection pedestal 6 ′ is provided on the above, and the inspection pedestal 6 ′ is provided with stairs (not shown). Inside the ceiling connecting frames 7, 7 on the front and rear sides, a U-shaped auxiliary ceiling plate 8,
8 and 2 in the left-right direction near the front-rear center of the ceiling.
Central ceiling connecting frames 9, 9 are provided in the rows, and an auxiliary connecting frame 10 is provided in the central portion between the central ceiling connecting frames 9, 9.

The band hanging device 11 of the band hanging device 2
Is provided so as to be slidable up and down in the auxiliary ceiling plates 8 of the support frame 4, and the band hooking tool 11 has support frames 12 at four corners.
And each upper connecting frame 1 for connecting the supporting frames 12 to each other.
3 and each lower connecting frame 14 are provided, and each of these upper and lower connecting frames 1
The center connecting frames 15, 15 are provided in a cross shape in the front-rear and left-right direction central parts of 3, 14, and the front-rear and left-right direction central parts in which these upper and lower connecting frames 13, 14 are connected in series.
Each auxiliary connecting frame 16 is provided.

Each transfer device 17 is provided in a communicating state on the left and right sides of each of the upper and lower connecting frames 13 and 14 on the front and rear sides, and the transfer device 17 is provided from the lower end of a transfer shaft 18 which is rotatably supported.
A transfer spiral plate 19 is mounted upward by a predetermined length, and each pulley 20 is fixed to the upper end of each transfer shaft 18. The transfer motor 21 is mounted on a U-shaped support plate 22 provided between the upper connecting frame 13 and the central connecting frame 15 on the front side. A belt 23 is provided around the pulleys 23 and the pulleys 20 and the transfer shafts 18 are rotated by the rotation of the motor 21.
Is driven to rotate. Reference numeral 25 is a tension pulley, 26 is an endless band made of an elastic material or the like, and the endless band 26 is provided with each transfer spiral pre-load of each transfer shaft 18.
The endless body band 26 is configured to be transferred to the lower part and to be detached at the lower end portion by being hung on the toe 19 and rotationally driving the transfer shaft 18, and by being detached, the endless band 26 is placed on the pallet (b). The endless body band 26 is automatically banded to each of the uppermost packages (a).

The electric hoist 27 includes an auxiliary connecting frame 1 on the upper side.
0 and the central connecting frames 15, 15 on the lower side, and the electric hoist 27 is configured to slidably move the band hanging device 11 of the band hanging device 2 up and down. ON-O provided on the upper and lower frames 28 at predetermined intervals
By the FF type upper and lower limit switches 29 and 30,
The configuration is such that vertical sliding movement is regulated, and the electric hoist 27 is started and stopped by turning ON / OFF the upper / lower limit switches 29, 30, and the upper / lower limit switch 29 is also provided. , 30 can be started and stopped at an appropriate position.

4 to 10 show another embodiment, in which the band hook 31 of the band hooking device 2 is the support frame 4
The inside of the band hanging device 31 is slidable up and down. Each chain support frame 32 is provided at each of four corners of the band hooking device 31, and the upper predetermined rectangular shape formed by each chain support frame 32 is formed to have a small length. By expanding the shape toward the lower part, the predetermined length of the lower part is made large. Connection frames 33a, 33b, 33c that integrally form the chain support frames 32 are provided at the upper ends and the bent portions of the chain support frames 32, and the lower ends of the chain support frames 32 are Endless body band 2
A band removing guide 34 for removing 6 is provided.

Each transfer chain 35 has a structure in which it is suspended on each sprocket 36 rotatably supported by the upper and lower ends of the chain support frame 32 and each bent portion. A hook plate 37 is provided at a predetermined interval on the side chamber plate, a hook 38 is provided on the hook plate 37, and a roller 39 is rotatably provided on the hook 38. An endless body band 26 is hung over each roller 39 at one position of each of the transfer chains 35, and the endless body band 26 is sequentially transferred to the lower part, and when transferred to the lower end part, the band is removed. By the guide 34,
The endless body band 26 is automatically attached to each uppermost package (a) on the pallet (b) by being removed.

Each transfer chain 35 has a structure in which a rotary shaft 40 for supporting the upper sprocket 36 and a universal joint 41 are rotationally driven by a motor 42. The transfer chains 35 are rotationally driven by rotation, and each of the transfer chains 35 is held by the tension guides 43a and 43b other than the return portion of FIG. 9 and the return portion of FIG.

The band hanging device 31 is configured to move up and down by the electric hoist 27 mounted on the upper plate 44. The band hanging device 31 is an ON-OFF type upper / lower device provided at predetermined intervals in the vertical direction. It has a structure in which vertical movement is restricted by a limit switch (not shown), and the electric hoist is started and stopped by turning the upper and lower limit switches ON and OFF. It is configured so that it can be started and stopped at appropriate positions between the limit switches.

As described above, the endless band 26 is hung on each roller 39 of each transfer chain 35, and each transfer chain 35 is rotatably driven.
5 At the lower end, this endless band 26 automatically comes off,
By banding the endless band 26 on the packaged item (a), the banding time and labor can be greatly reduced.

The operation of the above embodiment will be described below. The package transfer device 3'transfers the package (a) in which grains and the like are packed into a bag, receives the package (a) at the terminal end, and loads the pallet (robot mounted on the upper side of the transfer conveyor 1). )
When this packaged item (a) is clamped and transferred by the loading device 4'to be mounted thereon and a predetermined number of items are loaded on this pallet (b), the loading of this packaged item (a) is stopped.

When a predetermined number of the pallets (b) have been loaded, the transfer conveyor 1 is started to transfer the pallets (b) loaded with the packaged items (a), and the pallets (b) are moved to a predetermined position and the limit is reached. When the switch 3 detects the pallet (b), it is turned on, and the transfer conveyor 1 is automatically stopped by this ON detection. An endless band 26 is hung on each transfer spiral plate 19 of the banding device 11 of the banding device 2, and the banding device 11 is lowered by operating the electric hoist 27. When the limit switch 30 is turned on, the band hanging tool 11 is automatically stopped by this turning on, and the motor 21 is started, whereby the transfer spiral plates 19 of the transfer shafts 18 are rotationally driven. The endless body band 26 is transferred to the lower part, is detached at the lower end part, and is moved to the pallet (b).
This endless body band 26 to each packing item (a) on the uppermost step
Will be banded automatically.

When the banding is completed, the pallet (b) on which each packaged item (a) is mounted is held by a forklift or the like and laterally held and moved to a warehouse or the like.

[Brief description of drawings]

 The figure shows an embodiment of the present invention.

1 is a cross-sectional view taken along the line AA of FIG.

FIG. 2 is an overall plan view of a banding device.

FIG. 3 is a layout view of a banding work machine.

FIG. 4 is a front view in which a part of the banding device is broken, showing another embodiment.

FIG. 5 is a plan view in which the banding device is partially broken, showing another embodiment.

FIG. 6 is a view showing another embodiment, and an enlarged side view of the band hanging device as viewed from B of FIG. 5;

FIG. 7 is a view showing another embodiment, and is an enlarged front view of the upper portion of the chain support frame.

FIG. 8 is a view showing another embodiment, and is an enlarged front view of the lower portion of the chain support frame.

FIG. 9 is a view showing another embodiment, and is an enlarged side cross-sectional view of the chain tensioning other than the return portion of the transfer chain.

FIG. 10 is a view showing another embodiment, in which a transfer chain printer is used.
FIG.

[Explanation of symbols]

 17 Transport Device 26 Endless Bandy Package

Claims (1)

[Claims] 1. A plurality of transfer devices 17, 17 ... For transferring an endless band 26 made of an elastic material or the like is provided, and the endless band 26 is provided at a terminal end of the transfer device 17.
A banding device that automatically puts a band on a packaged item (a) that is detached and packed into a bag.