JP3906402B2 - Grain weighing machine bag opening holding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bag opening holding device used when filling a bag with cereals in a grain weighing machine such as brown rice or white rice. Here, the cereal weighing machine is a variety of devices having a function of filling a bag with cereals, such as a cereal automatic weighing function only or a cereal sorting function and a sorted cereal automatic weighing function. Shall be designated.
[0002]
[Prior art]
Brown rice milled with a rice huller or white rice milled with a rice mill is inevitably subject to a part of the grain being crushed or deformed because the surface of the grain is subjected to friction and grinding. Such crushed grains and deformed grains are non-sized grains such as defective grains (so-called half-tipped rice or cracked rice) in addition to fine grains such as crushed grains, In order to obtain white rice having a predetermined quality, it is necessary to select and remove non-sized particles up to a selection rate corresponding to the quality. There are various kinds of automatic grain sorting and weighing machines used for the application.
[0003]
In addition, various types of automatic grain weighing machines are used for bagging brown rice or white rice that has been sorted, or brown rice or white rice before sorting, for each required weight.
[0004]
And in cereal automatic sorting and weighing machine and cereal automatic weighing machine, since the weight of cereal is weighed and filled into the bag, conventionally, a bag stand that opens the upper end of the bag and holds it independently is used. The bag stand was inserted into the bag to open the bag and to hold it in a self-supporting manner.
[0005]
[Problems to be solved by the invention]
By the way, the bag stand used by being inserted into a conventional bag is designed to keep the bag open, so that the bag is spread along the inner surface as closely as possible. Since it is designed to hold it from the inside, it takes time to insert a bag stand into an empty bag, and after filling the bag with cereal, the cereal is clogged, so it is difficult to take out the bag stand. In some cases, cereals may be scattered during the removal. For this reason, in an operation mode in which the cereal weighing and filling work is performed continuously one after another like the cereal automatic sorting and weighing machine and the cereal automatic weighing machine, the cereal is filled in order to perform the work smoothly and efficiently. It is required that the bag can be easily held open and that the bag can be reliably held open during filling of cereals.
[0006]
Therefore, the present invention can easily attach the opening end to the bag opening holding cylinder and drop the bag attached to the bag opening holding cylinder when the bag for filling the grain is placed on the weight scale in the grain weighing machine. It is an object of the present invention to provide a bag opening holding device of a grain weighing machine that can be reliably held so as not to fall or fall down and can smoothly and efficiently carry out a grain weighing and filling operation.
[0007]
[Means for Solving the Problems]
The structure of Claim 1 which concerns on this invention is a bag opening holding | maintenance apparatus used when filling a bag with cereals in grain measuring machines, such as brown rice or white rice, Comprising: A pair of left and right bases mounted on the platform of a weighing scale, , A pair of left and right support columns made up of a rod-like body standing on a pair of left and right bases, a support frame connecting the upper ends of the support columns with a cross beam, and a support arm standing on the support frame standing on the cross beam of the support frame The bag opening holding cylinder is attached to the left and right support columns of the support frame so that the height of the bag can be adjusted. The bag opening holding cylinder holds the opening end of the bag between its outer peripheral surfaces. A bag locking tongue is provided, and the bag locking tongue is pivotally mounted on a downwardly inclined arm fixed to the outer peripheral surface of the bag opening holding cylinder so as to be pivotable in the vertical direction, and a tip portion of the bag locking tongue Curved shape with increased locking force against the outer peripheral surface of the bag opening holding cylinder in the downward direction Forms a is freely separable to the outer peripheral surface of the bag opening holding cylinder, and wherein Rukoto the open end of the bag along the outer peripheral surface of the bag opening holding cylinder can prevent it and sliding down freely shear raised To do.
[0008]
The structure of claim 2 according to the present invention is characterized in that, in the structure of claim 1, the bag locking tongue pieces are provided on both left and right sides of the bag opening holding cylinder as viewed from the front side of the grain weighing machine. is there.
[0009]
The configuration of claim 3 according to the present invention is characterized in that, in the configuration of claim 1, the bag locking tongue piece is provided on the front side of the bag opening holding cylinder as viewed from the front side of the grain weighing machine. is there.
[0010]
In the present invention, since the bag opening holding cylinder holds the bag open, it is needless to say that it is preferably a cylinder.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a perspective view of an automatic grain weighing machine provided with a bag opening holding device according to the first embodiment of the present invention, and FIG. 2 is a perspective view of the bag opening holding device according to the first embodiment of the present invention. FIG. 3 is a perspective view of a main part of the bag opening holding device according to the first embodiment of the present invention, and FIG. 4 is an aspect in which a bag is attached to the bag opening holding device according to the first embodiment of the present invention. FIG. 5 is a side view of the main part showing a state in which the lifting of the bag is completed from the aspect of FIG. 4, and FIG. 6 is a main part showing the aspect of completing the bag mounting from the aspect of FIG. It is a side view of a part. FIG. 7 is a perspective view of a bag opening holding device according to the second embodiment of the present invention.
[0012]
1 to 6, reference numeral 1 denotes an automatic grain weighing machine. This cereal automatic weighing machine 1 measures and fills a bag 2 with brown rice milled by a rice mill (not shown) or white rice milled by a rice mill (not shown). In the automatic grain weighing machine 1, 3 is a grain storage tank, 4 is a grain delivery outlet, 5 is an elevator, and 6 is a grain input hopper. A weigh scale 7 is disposed below the grain outlet 4. In order to fill the bag 2 with the cereal from the automatic grain weighing machine 1, a bag opening holding device 8 described below is installed on the platform of the weigh scale 7. Then, the bag 2 is held open in the bag opening holding device 8 and the cereal is metered and filled. Reference numeral 9 is a control panel, and 10 is a dust removal device.
[0013]
The bag opening holding device 8 according to the first embodiment of the present invention shown in FIGS. 1 to 6 is configured as follows. That is, the bag opening holding device 8 includes a pair of left and right bases 11 placed on the platform of the weight scale 7, a pair of left and right columns made up of a bar-like body standing on the pair of left and right bases 11, and the upper end thereof. It consists of a support frame 12 connected by a cross beam, and a bag opening holding cylinder 13 attached to the upper part of the support frame 12. It is attached. Bag opening holding cylinder 13, the back side is attached, et al by the mounting arm 16 to column 15 provided upright on the crossbeam of the support frame 12.
[0014]
The bag opening holding cylinder 13 is provided with bag locking tongues 17 and 17 holding the opening end of the bag 2 on the outer peripheral surface thereof, and the bag locking tongue pieces 17 and 17 are provided at the opening end of the bag 2. The part can be lifted up along the outer peripheral surface of the bag opening holding cylinder 13 and has a function of preventing the bag 2 from sliding down. The bag locking tongues 17, 17 are provided on both the left and right sides of the bag opening holding cylinder 13 when viewed from the front side of the grain weighing machine 1.
[0015]
That is, the bag locking tongues 17 and 17 are pivotally attached to the downward inclined arms 18 and 18 fixed to the outer peripheral surface of the bag opening holding cylinder 13 by the shafts 19 and 19 so as to be rotatable in the vertical direction. 17a, 17a is configured to be able to contact with and separate from the outer peripheral surface of the bag opening holding cylinder 13, and when the bag 2 is mounted, the opening end is simply raised along the outer peripheral surface of the bag opening holding cylinder 13, or At this time, the opening end of the bag 2 can be lifted up to a required height by slightly lifting the bag locking tongues 17 and 17 with fingers. When the finger is released as it is, the opening end of the bag 2 is pressed against the outer peripheral surface of the bag opening holding cylinder 13 by the tip end portions 17a and 17a of the bag locking tongue pieces 17 and 17 that move downward. The holding cylinder 13 is securely locked and held.
[0016]
In addition, the bag locking tongues 17, 17 have a curved shape in which the distal end portions 17 a, 17 a increase the locking force with respect to the outer peripheral surface of the bag opening holding cylinder 13 in the sliding down direction of the bag 2. Therefore, as the bag 2 held and held by the bag opening holding cylinder 13 tends to slide down, the tightening force by the bag locking tongues 17 and 17 increases, so that the bag 2 is suspended in the air and filled with cereals. Even in this case, the bag 2 does not fall off. Therefore, since it can be applied to any form of grain weighing machine, it is excellent in versatility.
[0017]
In addition, the bag locking tongue pieces 17 and 17 which are attached to the downward inclined arms 18 and 18 fixed to the outer peripheral surface of the bag opening holding cylinder 13 so as to be rotatable in the vertical direction by the shafts 19 and 19 are elastic in the downward movement direction. It is good also as a thing with the function to energize.
[0018]
The bag 2 is a polyethylene bag (commonly known as a plastic bag) or a paper bag, which has a bottom end sealed and an upper end opened. The bag 2 has a rectangular shape in a flat shape, and the ratio of the width to the length is about 1: 1.6. The bag 2 becomes a substantially cylindrical shape when inflated.
[0019]
In the cereal automatic weighing machine 1 provided with the bag opening holding device 8 according to the first embodiment shown in FIGS. 1 to 6, when filling the cereal with the bag 2, as described above, the open end of the bag 2. Is inserted from the lower side of the bag opening holding cylinder 13 and lifted between the bag locking tongue pieces 17, 17, and the bag 2 is mounted on the bag opening holding cylinder 13. Then, after filling the opening-held bag 2 with the required weight of cereal, the bag-locking tongue pieces 17, 17 are pushed up a little with fingers to easily remove the cereal-filled bag 2 from the bag opening holding cylinder 13. Can do.
[0020]
FIG. 7 shows a second embodiment of the present invention. In the second embodiment, only one bag locking tongue 17 is provided on the front side of the bag opening holding cylinder 13 when viewed from the front side of the automatic grain weighing machine 1. Thus, in the case where only one bag locking tongue piece 17 is provided on the front side of the bag opening holding cylinder 13, the bag 2 is opened with the left and right hands, and the bag opening holding cylinder is opened from the front side of the cereal automatic weighing machine 1. 13 is easy to work. In addition, the bag locking tongue piece 17 according to the present invention has a curved shape in which the distal end portion 17a increases the locking force with respect to the outer peripheral surface of the bag opening holding cylinder 13 in the sliding down direction of the bag 2. Only the locking function of the bag 2 is sufficient.
[0021]
The bag opening holding device 8 according to the present invention described above is used for filling grains from the automatic grain weighing machine 1 as a main application, but is not necessarily limited to that application. It can also be used for filling cereals by hand. In addition, the bag opening holding | maintenance apparatus 9 which concerns on this invention can be used as it is also for filling of flour, other flours, and various granular materials other than cereals, such as brown rice and white rice.
[0022]
【The invention's effect】
According to the bag opening holding device of the grain sorter according to the present invention, when the bag filling the grain is placed on the weight scale in the grain weighing machine, the opening end can be easily attached to the bag opening holding cylinder, and the bag The bag attached to the opening holding cylinder can be securely held so that it does not fall off or fall down, and the effect of smoothly and efficiently carrying out the cereal weighing and filling work can be obtained.
[0023]
In particular, in the present invention, the front end portion of the bag locking tongue piece has a curved shape that increases the locking force with respect to the outer peripheral surface of the bag opening holding cylinder in the sliding direction of the bag, so that the bag is suspended and filled with grains. In this case, the bag opening holding device of the grain sorter having excellent versatility can be obtained without falling off and being applicable to various types of grain weighing machines.
[Brief description of the drawings]
FIG. 1 is a perspective view of an automatic grain weighing machine provided with a bag opening holding device according to a first embodiment of the present invention.
FIG. 2 is a perspective view of the bag opening holding device according to the first embodiment of the present invention.
FIG. 3 is a perspective view of a main part of the bag opening holding device according to the first embodiment of the present invention.
FIG. 4 is a perspective view of a main part showing a mode in which a bag is attached to the bag opening holding device according to the first embodiment of the present invention.
FIG. 5 is a side view of the main part showing a state in which the bag has been lifted up from the aspect of FIG. 4;
6 is a side view of the main part showing a state in which the bag is completely attached from the state of FIG. 5. FIG.
FIG. 7 is a perspective view of a bag opening holding device according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Grain automatic weighing machine 2 Bag 3 Grain storage tank 4 Grain delivery outlet 5 Elevator 6 Grain input hopper 7 Weigh scale 8 Bag opening holding device 9 Control panel 10 Dust removal device 11 Base 12 Support frame 13 Bag opening holding cylinder 14 Bag mounting Table 15 Post 16 Mounting arm 17 Bag locking tongue 17a Tip of bag locking tongue 18 Downward tilting arm 19 Axis

Claims (3)

This is a bag opening holding device used when filling a bag with cereals in a grain weighing machine such as brown rice or white rice, and is erected on a pair of left and right bases to be placed on a scale platform and on a pair of left and right bases A pair of left and right support columns made of a rod-shaped body, a support frame that connects the upper ends of the support frames with a cross beam, a bag opening holding cylinder that has a back side attached to a support column standing on the cross beam of the support frame with a mounting arm, and a support frame The bag opening holding cylinder is provided with a bag locking tongue piece for holding the opening end of the bag between the outer peripheral surfaces thereof, The bag locking tongue piece is pivotally mounted on a downwardly inclined arm fixed to the outer peripheral surface of the bag opening holding cylinder so as to be pivotable in the vertical direction. The outer periphery of the bag opening holding cylinder in a curved shape with increased locking force Separable is freely, the open end of the bag along the outer peripheral surface of the bag opening supporting cylinder is freely shear raising and the bag opening holding device cereal weighing machine according to claim Rukoto can prevent sliding down on.   2. The bag opening holding device for a grain weighing machine according to claim 1, wherein the bag locking tongue pieces are provided on the left and right sides of the bag opening holding cylinder as viewed from the front side of the grain weighing machine.   2. The bag opening holding device for a grain weighing machine according to claim 1, wherein the bag locking tongue piece is provided on the front side of the bag opening holding cylinder as viewed from the front side of the grain weighing machine.

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