JPH0344648Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention is designed to hold a bag body such as a bag for granular materials or powder materials, which has a swollen circumferential surface filled with powder or other contents, and This invention relates to a bag holding mechanism that allows the contents to be smoothly removed from the bag when the bag is turned upside down.

[Conventional technology]

To take out the contents from a bag such as a rice bag (paper or cloth), you can manually unseal the opening of the bag and then hold it in your hand and turn it upside down. The bag is torn open and its contents can be taken out in a room where rice and other grains are blended or milled, or in a device such as a hopper. By the way, bags such as rice bags are quite heavy, and considering the work site etc., it can be said that it is difficult to do this manually due to labor and other reasons. In addition, when enclosing granular materials, powder materials, etc. in a bag, opening the opening of the bag, putting a certain amount into the bag, and transporting it to another location is conventionally done mechanically. It is being said.

However, to date, no bag is known that has a structure in which the contents can be removed from the bag by mechanical means. However, as a related configuration, an opening device has been proposed in which the bag is arranged so that it can be held between upper and lower holding members (a pressing head and a receiving tray), and a cutter for opening the bag is provided on the lower holding member (receiving plate). (Refer to Special Publication No. 58-43302).

According to this configuration, with the content-enclosed bag pressed and clamped between the upper and lower clamping members, an incision is made with the bag opening cutter and the upper clamping member (pressing head) is lowered. Therefore, it has the advantage that the contents inside the bag can be taken out accurately.

[The problem that the idea attempts to solve]

However, the above-mentioned opening device has the following problems. In other words, there is no problem if the contents inside the bag are liquid, but
In the case of powder or granules, the contents located at the corners of the bag are sandwiched between the upper and lower clamping members, so the contents in those areas tend to remain inside the bag.

If the contents remain in the bag, when the bag is moved, there is a risk that powder and granules will be scattered, worsening the working environment.

The mechanism for moving the bag tends to have a large structure.

Therefore, the inventor conducted various research on the points mentioned above.
As a result of study, it was found that in order to take out the contents from the bag, it is preferable to mechanically hold the bag, for example, to hold the bag around the bag with gripping pieces, and then turn it over.

The present invention was devised in response to the above-mentioned problems, and its purpose is to be able to sufficiently hold the bag and to remove the contents such as rice and other grains inside the bag. There is no risk of them being caught together,
To provide a bag holding mechanism which allows the contents inside the bag to be smoothly taken out when the bag is turned upside down.

[Means to solve the problem]

A bag holding mechanism according to the present invention as a means for solving the above problems is a bag holding mechanism that includes a handling part that holds a content-enclosed bag and an arm that holds the handling part. The hunt ring part has a pair of bag body circumference clamping pieces that can be opened and closed to clamp both side surfaces of the bag body from the sides, and the bag body circumference clamping pieces are provided at the left and right bottom corners of the bag body. It has a notch that makes the left and right bottom corners of the body non-clamped, and a bag bottom clamping part that clamps the bottom of the bag, such as a bag bottom seam, at the lower end of the bag circumference clamping piece. The bag periphery clamping pieces are configured to clamp the periphery of the bag, and the bag bottom clamping pieces are configured to clamp the bottom of the bag.

Here, in the above configuration, if necessary, the bag circumference clamping piece has a hole bored in the center of the circumferential surface, and a locking claw that moves inward from the outside through the hole. It is configured to have a locking tool equipped with.

[Effect]

The bag clamping device of the present invention based on the above structure closes the pair of bag circumference clamping pieces from both sides of the bag while the bag opening of the content-enclosed bag is open. , by abutting the end faces of the bag, the periphery and central bottom of the bag are held and held, and the bag bottom clamping pieces are used to hold the bag at the bottom seam part of the bag, etc. The content enclosing bag can be held by holding the bottom part and in such a way that the contents sealed in both bottom corners of the bag are not caught by the notch.

Then, when the arm part is reversed, the content-enclosing bag is held in place by the pair of bag bottom clamping pieces, so that the bag does not fall midway. This functions to ensure that the contents sealed in the left and right bottom corners of the bag are discharged.

As described above, the bag holding device of the present invention is
Notches are formed at the left and right corners of the bottom of the pair of bag circumference clamping pieces, and a bag bottom clamping part for clamping the bag bottom such as the bag bottom seam is formed at the lower end of the pair of bag body circumference clamping pieces. The structure is characterized by a combination of two points, and these points allow the bag to be sufficiently clamped and the contents such as rice and other grains inside the bag to be clamped together with the bag. There is no fear, and when the bag is turned upside down, the contents inside the bag can be taken out smoothly, which provides a special function and effect.

〔Example〕

Hereinafter, embodiments embodying the present invention will be described with reference to the drawings.

Here, FIGS. 1 to 4 show examples of the present invention,
Figure 1 is a plan view, Figure 2 is a front view, Figure 3 is a
FIG. 4 is an end view taken along the line A-A, and FIG. 4 is a front view with the handling section turned upside down.

This embodiment can be roughly divided into a handling section 11 that holds a bag 10 filled with rice, other grains, etc.
and an arm portion 1 that supports the handling portion 11.
2 and a turntable 13 for holding and operating the arm portion 12.

The handling section 11 includes a pair of bag circumferential clamping pieces 14, one end of which is fixed to the outside thereof, and the other end of which is rotatably supported by a pivot 16 on the tip 15 of the arm section 12.
A support arm 17 is provided. The clamping piece 14 has a vertical surface 35 corresponding to the side surface of the bag body 10, and has front and rear vertical surfaces 18 at both left and right ends of the vertical surface 35 via rounded surfaces projecting outward. A bottom surface 19 is provided at the lower end via a rounded surface projecting outward, and notches 21 are formed at both corners 20 of the bottom surface 19. The end portions 18a and 19a come into contact with the corresponding end portions 18b and 19b of the other pair of clamping pieces 14, so that the bag body 10 can be held in such a way as to be held in place except for both bottom corners. It's summery. Further, the vertical surface 35, the front and rear vertical surfaces 18, and the bottom surface 19 may have a structure in which the height or width thereof can be changed as desired by sliding or the like depending on the size of the bag body 10.

Further, a locking tool 22 is provided at the center of the vertical surface 35 of the clamping piece 14 with a locking claw 22a for locking the side surface of the bag body 10, and the locking claw 22a is attached to the bag body 10. It is provided with a hole 23 drilled for locking. The locking pawl 22a of the locking tool 22 is configured so that it operates when the pair of clamping pieces 14 are closed, and its tip end sticks into the bag body 10 through the hole 23. Here, instead of the locking tool 22, a vacuum mechanism may be used to attract the bag 10 from the side. In addition, the clamping piece 14
A rounded surface 24 protruding inward is formed on the ends 19a and 19b of the bottom surface 19, and a bag bottom clamping part 25 is formed in connection with the rounded surface 24, and the bag bottom clamping part 25 is brought into contact with the bag bottom clamping part 25 of the other pair of clamping pieces 14, so that the sewn end of the bag 10 can be accommodated and the sewn end can be clamped.

The arm portion 12 pivotally supports a support arm 17 that fixes and holds a pair of clamping pieces 14 on the inside of the tip at its tip.
It is held by the turntable 13 at the rear end,
It includes a pair of cylinders 26 for opening and closing the pair of clamping pieces 14 of the handling section 11, and a turning mechanism 27 for turning the handling section 11. Each cylinder 26 has its head 2
8a side is pivotally supported by the outer periphery 29, and the rod 28
The b side is pivotally supported by a protrusion 30 provided at the center of the outer surface of the support arm 17 of the handling section 11 . The turning mechanism 27 transmits the power of the motor 32 using a power transmission means such as a gear disposed at the end of the support shaft 31 of the arm portion 12, and rotates the handling portion 11 by rotating the support shaft 31. It is now possible to do so.

The turntable 13 includes a pivot 33 for holding the arm 12 on the table 13a, and a lifting pivot 34 for raising and lowering the arm 12.

Next, the operation of this embodiment based on the above configuration will be explained to clarify the configuration of this embodiment.

First, when the bag 10 whose circumference is bulging due to the contents that have been moved on a pallet or the like is detected by a bag detection sensor, the turntable 12 is activated and the arm 12 turns horizontally and rotates along the pivot 32. The bag 10 is then lowered, and the bag body 10 is placed in a position where the bag body 10 can be held by the handling part 11. Next, the pair of cylinders 26 of the arm section 12 operate to hold the pair of clamping pieces 14 of the handling section 11 on the support arm 1.
7, and the respective ends 18a, 18b, 19a, 19b of the clamping pieces 14 come into contact with each other, thereby holding the bag 10 and closing the bottom surface 19.
The bag body 10 is held by the bag bottom holding part 25 formed in
(In addition, in the case of a bag without a sewn end, the part to be held is formed by applying some vibration to the bag and then held), and the locking tool 22
The locking claws 22a operate to engage with both sides of the bag 10 through the holes 23 formed in the vertical surface 35 of the clamping piece 14, thereby clamping and holding the bag 10.

Subsequently, the arm portion 12 rises, and the turntable 13 rotates to raise the handling portion 1.
1 moves to the upper part of a hopper etc. that takes out and stores the contents while holding and holding the bag body 10, and here, the turning mechanism 27 of the arm part 12 is activated and the handling part 11 is moved through the support shaft 31. The bag 10 is turned upside down, and all the contents enclosed within the bag 10 are placed into the hopper. In addition, the empty bag 10 held and held by the handling section 11 is
The bag body 10 is moved to a predetermined position by the operation of the arm part 12 again, and the clamping piece 14 of the handling part 11 is opened, so that the bag bottom clamping part 25 releases the bag body 10, and the bag body 10 is stored. Make it reusable. Here, in the above process, by attaching numbers etc. to the bags 10, the number etc. of the bags whose contents have been taken out in parallel may be read.

In this embodiment, the shape of the pair of clamping pieces can be arbitrarily deformed to match the shape of the bag, such as an ellipse or a circle when closed.

It should be noted that the present invention is not limited to the above embodiments, and it is clear that modifications can be made without changing the gist of the present invention.

[Effect of idea]

As is clear from the above description, according to the bag holding mechanism of the present invention, a pair of bags can be gripped from both sides of the bag, excluding both bottom corners, whose periphery is swollen with contents. Since the peripheral clamping pieces are used to clamp the contents, when taking out the contents enclosed in the bag, the contents located at both bottom corners of the bag are not clamped by the clamping pieces. This has the effect that the contents can be taken out smoothly.

In addition, since the bottom part of the bag, such as the sewn end, is held by the bag bottom holding part formed on the bottom end surface of the holding piece, the bag is not dropped on the way, and can be This has the effect that the bag can be more reliably clamped and reversed.

[Brief explanation of drawings]

Figures 1 to 4 show an embodiment of the present invention, with Figure 1 being a plan view, Figure 2 being a front view, and Figure 3 being Figure 1 A-A.
The line end view and FIG. 4 are front views of the handling section in an upside down state. 10...Bag body, 11...Handling part, 12
...Arm part, 14...Package piece around the bag, 19...
...bottom, 20...both corners, 21...notch, 22
... Locking tool, 22a ... Locking claw, 23 ... Hole,
24...Round surface, 25...Bag body bottom clamping part.

Claims (1)

[Claims for Utility Model Registration] (1) A bag holding mechanism having a handling part for holding a content-enclosing bag and an arm for holding the handling part, the handling part being It has a pair of bag circumference clamping pieces that can be opened and closed to sandwich both sides of the body from both sides, and the bag circumference clamping pieces have a notch at the left and right bottom corners to make the left and right bottom corners of the bag non-clamped. The bag periphery clamping piece has a bag bottom clamping part for clamping the bottom of the bag, such as a bag bottom seam part, at the lower end of the bag periphery clamping piece, and the bag periphery clamping piece is used to hold the bag bottom part such as a bag bottom seam part. What is claimed is: 1. A holding mechanism for a bag body, characterized in that the bottom part of the bag body is held by the bag bottom part holding pieces. (2) A configuration in which the bag circumference clamping piece has a hole bored in the center of the circumferential surface, and has a locking tool provided on the outside of the hole with a locking claw that moves from the outside to the inside through the hole. The first claim for utility model registration is
The bag clamping mechanism described in .