JPH0646808Y2 - Bag opener using wind power - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Object of the Invention) The present invention relates to a device for opening a bag made of synthetic resin such as polyethylene or polypropylene by using wind force.

Instead of manually opening each bag by hand, the device that uses wind force to open it is a windget (widget).
nd gett), has been put to practical use.

However, the conventional windget has a mechanism for moving the bags one by one and opening them by hitting the blown air, which makes the entire apparatus large and the cost of the equipment expensive. And there were many failures.

On the other hand, for example, as shown in Japanese Utility Model Publication No. 48-16597,
The bag to be opened is dealt with by colliding with a weak horizontal support base, and a U-shaped bag holder is inserted into the opening hole to hold the bag, and the bags are sequentially moved in the horizontal direction. It has been proposed to blow air to open the bag. However, in order to insert an object to be packed with the bag opened, it is preferable that the lower side of the bag is slid downward to open.

On the other hand, when the U-shaped bag holder "presser bar 19" disclosed in Japanese Utility Model Publication No. 48-16597 is used, since the cap formed by the U-shape is usually cylindrical, the bag is opened. As shown in FIG. 6, when cutting the vicinity of the hole of the part and removing the bag,
Unexpectedly, the cutting may not go smoothly.

The present invention overcomes these drawbacks of conventional windgets, and has a simple mechanism and a configuration proposed in Japanese Utility Model Publication No. 48-16597, in which the individual bags are inclined downward in the plane direction. When opening the device and the bag with the bag holder configuration so that vegetables and fruits can be inserted into the bag one after another, when removing the bag from the bag holder, the hole in the interpretation part of the bag makes it easy to open this upper end. The purpose of the present invention is to provide a bag holder that can be easily cut by cutting it into a bag holder.

(Structure of the Invention) As shown in FIGS. 1 (a) and (b), the overall structure of the present invention includes a wind generator 1 for generating wind, a cavity 2 for guiding the wind by the wind generator 1, and an outlet of the cavity 2. And a holding portion 3 for holding a bag that receives wind and opens in the vicinity thereof. The use of the wind force generator 1 and the cavity 2 is similar to that of the conventional windget, but the present invention is not limited to the bag holder.
A device having novelty and inventive step with respect to the configuration shown in the publication is made.

The bag holder 34 includes a plate 311 extending downward or obliquely downward, a plate 312 protruding on both sides of the plate 311, and a plate 31 at the upper part.
A fixed frame 31 composed of the above-mentioned plate 313 for connecting the two, and a hole 3 at a portion fixed to the above-mentioned plate and extending below the above-mentioned plate 313.
The stopper 32 having 21 and the lower end are hinged to both side projecting plates 312 of the fixed frame, and are pressed against the fixed plate 311 of the fixed frame via the spring 35 at the upper part, pressed against the stopper 32, and at the upper part. A moving plate 33 having two holes 331 and a second
As shown in (a) and (b) of FIG.
And a handle 342 that is provided laterally and has a protrusion 343 that is fitted in and out of the holes of the stopper on the side opposite to both legs, and includes the seventh (a), ( b) As shown in the figure, a bag holder 34 having sharp protrusions 344 provided on both sides of the legs 341 in the vicinity of the inner handle 342 on at least one of the upper and lower sides in the vertical direction (the direction in which the bag 4 is suspended). Composed of and.

In the above, the protrusion 343 is provided on the handle 342 of the bag holder 34,
It is only necessary to insert and remove the bag holder 34 in and out of the hole 321 of the stopper.
Simply inserting and removing it in the hole of the moving plate 33 causes the side of the bag holder 34 on which the inner center of gravity is present to be inclined downward,
Since it is impossible to hold the bag 34 in a stable manner, and thus it is impossible to hold the bag in a stable manner, conversely, the bag holder 34 is inserted into and removed from both the hole 331 of the moving plate 31 and the hole 321 of the stopper 32. This is to make the bag holder 34 stable.

FIG. 2 (a) (and FIG. 1 (a)) shows an embodiment in which the hole 321 of the stopper 32 has a slit shape and the projection 343 of the bag holder 34 has a convex shape having a constant width. Second (b)
The figure shows the hole 321 of the stopper 32 and the protrusion 343 of the bag holder 34.
An example is shown in which two holes are provided for each hole.
The configurations of 1 and the protrusion 343 are not limited to these examples.

On the other hand, as shown in FIG. 3 (a), the stopper 32 is usually fixed to the above-mentioned plate 313 via the bolt 71 and the nut 72, but the fixing method is not necessarily limited to this. , The plate 31 shown in FIG. 3 (b), for example.
There is also an embodiment in which there is a configuration in which the magnet is attached to the upper side of 3 and is attracted by the magnet 36 on the back side of the plate 313 below.

Further, the moving plate 33 has a bag supporting base for supporting the bag from below.
It is convenient to attach 332, but as an attachment method,
As shown in FIG. 4 (a), the method of simply fixing the
(B) As shown in the figure, it is also conceivable that a groove is provided in the moving plate 33, and fixing screws and bolts are moved in the groove to adjust the height so that the hinge is attached.

(Operation of the Invention) In the present invention, the wind from the blower 1 passes through the cavity 2,
The surface direction of the plate 313 and the stopper 32 is moved downward or obliquely.

On the other hand, the bag holder 34 has two parallel legs 341
As shown in FIGS. 5A and 5B, the holes at the upper end of one or a plurality of bags located on the surface of the moving plate 33 are inserted, and the two holes 331 of the moving plate 33 are fitted. The projection 343 is fitted into the hole 321 of the stopper 32 from the back side (the fifth (a),
FIG. 2B shows an example of the hole 321 and the protrusion 343 shown in FIG. 2A. ).

In this case, in the stopper fixing method as shown in FIG. 3 (a), the moving plate is pushed to the plate 311 side of the fixed frame, and then the handle 342 is fitted into the hole 321 from the back side. However, in the structure in which the magnet is attracted by the magnet as shown in FIG. 3 (b), the projection 342 can be fitted by opening and closing the stopper 32, which is convenient.

As shown in FIG. 5 (b), the movable plate 33 is displaced toward the fixed plate 311 side of the fixed plate 31 because the upper end of the bag held by the bag holder 34 becomes thicker as the number of bags held increases. Will be done.

However, since the position of the stopper 32 is fixed to the above-mentioned plate 313 and does not move, the position of the upper end portion of the bag at the forefront is crimped to the back side of the stopper 32 regardless of the number of bags to be held. It will be.

Therefore, the wind from the cavity 2 always enters the upper part of the bag at the foremost end along the surfaces of the above-mentioned plate and the fixing plate, thereby opening the bag at the foremost end by wind pressure.

The bag once opened allows the vegetables and fruits to be manually inserted when the bag is opened and inflated.

In this case, as shown in FIGS. 4 (a) and 4 (b), the moving plate 33
It is convenient to provide the bag support base 332 on the base so that the inserted vegetables and fruits can be supported from below.

The bag into which the contents such as vegetables and fruits have been once inserted can be pulled out by pulling the bag downward as shown in FIG.
If the bag is removed by breaking the upper part of the bag, the bag located next to the removed bag will be located at the foremost end.

In the above, the protrusion 343 is provided on the handle 342 of the bag holder 34,
It is only necessary to insert and remove the bag holder 34 in and out of the hole 321 of the stopper.
Simply inserting and removing it in the hole of the moving plate 33 causes the side of the bag holder 34 on which the inner center of gravity is present to be inclined downward,
Since it is impossible to hold the bag 34 in a stable manner, and thus it is impossible to hold the bag in a stable manner, conversely, the bag holder 34 is inserted into and removed from both the hole 331 of the moving plate 31 and the hole 321 of the stopper 32. This is to make the bag holder 34 stable.

On the other hand, according to the present invention, as shown in FIGS. 7 (a) and 7 (b), a sharp projection is formed on one or both of the vertical directions of the parts of the two leg portions 341 of the bag holder 34 that are laterally attached to the handle. If 344 is provided, it is convenient because the upper end of the hole 41 of the bag can be easily broken (note that FIG. 7 (b) shows the case where there are protrusions on both the upper and lower sides). .

(Effect of the device) As described above, in the present invention, the upper end of the bag supported by the legs 341 of the bag holder in the diagonally downward direction is always moved toward the stopper side by the spring 35 via the moving plate 33. Even after the contents are inserted and removed in the crimped and opened bag as it is, the bag of the next rank is located on the back side of the stopper, and along the surface of the plate and the stopper. Since it receives the wind that flows through, it automatically swells, and it is possible to insert the contents one after another, and the tearing when removing the bag is extremely smooth.

As described above, according to the present invention, it becomes possible to smoothly promote the work of opening the bag by wind force, inserting the contents, and removing the bag one after another with an extremely simple structure, and the value of the present application is great. is there.

[Brief description of drawings]

Fig. 1 (a): A sketch of the opening machine of the present invention Fig. 1 (b): Side sectional view of the opening machine of the present invention Figs. 2 (a) and 2 (b): Bag holder of the present invention And FIG. 3 is a plan view and a front view showing each embodiment of the structure of the combination of the protrusions and the holes of the stoppers. FIG. 3 (a): a sectional view showing the stopper fixed to the above-mentioned plate. FIG. 3 (b): the stopper. Sectional view showing a state in which the above-mentioned plate is hinged and attracted by a magnet. Fig. 4 (a): Sketch drawing showing an embodiment in which the bag holder is fixed to the movable plate at the end Fig. 4 (b): Moving plate Fig. 5 (a), (b): An embodiment in which is fixed so that it can be adjusted in the vertical direction: The legs of the bag holder are inserted into the holes of the moving plate, and the protrusions of the handles are inserted into the holes of the stopper. A sketch drawing and a side sectional view showing the condition (the downward-pointing arrow in FIG. 5 (a) indicates the direction of the wind flow. FIG. 6: Plan view showing a state in which the tip of the opened bag is broken. FIGS. 7 (a) and 7 (b): A sharp end portion in the vertical direction of a portion of the leg portion of the bag holder that is laterally attached to the handle. A plan view and a side view of an embodiment provided with the projections 1 ... Wind generator, 2 ... Cavity, 3 ... Bag holder 31 ... Fixed frame, 311 ... Fixed plate, 312 ... Projection plate 313 ... … Previous plate, 32 …… Stopper, 321 …… Hole 33 …… Movement plate, 331 …… Hole, 332 …… Bag support 34 …… Bag holder, 341 …… Both legs, 342 …… Grip 343 …… Grip Projection 344 …… Protrusions provided on both legs, 35 …… Spring 36 …… Magnet, 4 …… Bag, 41 …… Bag hole, 5 …… Outer frame 6 …… Leg, 71 …… Bolt, 72 ……nut

Claims (6)

[Scope of utility model registration request] 1. A wind generator and a hollow portion for introducing wind from the wind generator, and a bag holding portion for receiving and opening wind at the wind outlet of the hollow portion are provided, and the bag is held. The part is fixed to the fixed plate extending downward or obliquely downward, the projecting plates on both sides of the fixed plate, the fixed frame having the above-mentioned plate on the upper side, and the fixed plate fixed to the above-mentioned plate of the fixed frame, and extends downward from the above-mentioned plate. A stopper having a hole in the formed part, a lower end of which is hinged to a projecting plate of the fixed frame, and is fixed to the fixed plate of the fixed frame via a spring at the upper part, and is press-contacted to the stopper. A moving plate having two holes, two legs that fit into and out of the two holes of the moving plate, and a handle that has the projections that fit in and out of the holes of the stopper on the opposite side of the legs. , A bag holder by providing a sharp projection upward in the vicinity of the handle on the leg, Using wind power, which was characterized by Ranaru bag opening machine 2. The wind force according to claim (1), characterized in that the stopper has a slit-like hole and the protrusion of the bag holder has a convex shape with a certain width. Bag opening machine 3. A bag opening machine utilizing wind force according to claim (1), wherein two stopper holes and two bag holder holder projections are provided. 4. A method of fixing the stopper to the above-mentioned plate of the fixed frame, the stopper is hinged to the above-mentioned plate of the fixed frame,
A bag opening machine using wind force according to claim (1), characterized in that a magnet is provided on the back side of the above-mentioned plate to attract a stopper. 5. A bag opening machine using wind force according to claim 1 characterized in that a stopper is fixed to the above-mentioned plate having a fixed frame. 6. A bag opening machine using wind force according to claim 1, wherein the position of the bag support is fixed to the moving plate or the position is adjustable so as to be adjustable.