JP4979994B2 - Packaging aid and packaging machine using this packaging aid - Google Patents

Description

  The present invention relates to a packaging aid that assists in putting an article to be packaged into a packaging bag and a packaging machine using the packaging aid, and in particular, vegetables, fruits, etc. into a flexible packaging bag made of a plastic film or the like. The present invention relates to a packaging aid for facilitating the introduction of the packaged article and a packaging machine using the packaging aid.

  Vegetables sold at supermarkets, such as eggplant, cucumber, asparagus, long onion, burdock, and Nagatoro are packaged in a transparent plastic film packaging bag and displayed on a product shelf. Since most of these bagging operations are performed manually, it takes a lot of labor and time. Among these operations, thin and flexible bags such as plastic film packaging bags are used. The mouth opening is particularly troublesome. Thus, various types of packaging machines that devise the opening of the bag mouth have been developed and are often introduced in patent literature (for example, see Patent Literatures 1 to 5 below).

  For example, a packaging machine disclosed in Patent Documents 1 and 2 below includes a holding unit that holds a bag, a blower unit that is disposed above the holding unit and blows air on the bag, and vegetables and other articles. A guide portion that guides the inside of the guide portion so that the front portion of the holding portion can be moved up and down, and when the guide portion is moved downward, the lower end is immersed in the bag and locked to the locking portion. Further, when the latching portion is unlocked, it has a mechanism that is moved upward by a biasing means that biases upward. And a blower is connected to this blower part, and by blowing air to the bag mouth from the blower part, the bag is inflated so that the guide part can be inserted, and vegetables can be thrown in from this guide part. It has become.

  Further, the packaging machine disclosed in Patent Document 3 below uses an adhesive roll to open the bag mouth without using the blower as described above. An adhesive roll is provided, this adhesive roll is brought into contact with and adhered to the vicinity of the bag mouth, and the operating arm is moved in the opposite direction, thereby opening the bag mouth and inserting the hopper into the bag.

  Further, the packaging machines disclosed in the following Patent Documents 4 and 5 are configured such that the tip of the cylindrical hopper is reduced in diameter and inserted into the bag mouth without using an adhesive roll as described above.

JP-A-9-267808 (FIG. 1, paragraphs [0025] to [0029]) JP-A-6-1316 (FIG. 5, paragraphs [0026], [0028]) JP-A-10-194225 (FIG. 4, paragraph [0014]) JP 2000-177711 A (FIGS. 1 and 4, paragraphs [0017] to [0019]) Japanese Utility Model Publication No. 2-34166 (FIG. 1, claims for utility model)

  Each of the packaging machines described in Patent Documents 1 and 2 requires a blower device to open the bag mouth, and the mechanism is complicated, and the guide portion is a semi-cylindrical body made of metal such as stainless steel. It is expensive because it is formed. Moreover, the packaging machine using the adhesive roll etc. described in the said patent document 3 needs the opening mechanism of the bag mouth which act | operates an adhesive roll etc. in addition to a hopper moving mechanism, and is the same as the said patent documents 1, 2. The mechanism is complicated. Further, the devices of the above-mentioned Patent Documents 4 and 5 in which the structure of the hopper itself is devised require a mechanism for reducing the diameter of the hopper and an opening means, and the mechanism is complicated.

  The present invention has been made to solve such problems of the prior art, and an object of the present invention is to open the bag mouth with the assisting tool itself, and does not require a special bag mouth opening mechanism and is configured. The object is to provide a simple packaging aid and a packaging machine using the packaging aid.

  In order to achieve the above object, the invention of the packaging auxiliary tool according to claim 1 of the present application is such that the tip part is inserted into the bag mouth of the packaging bag by the downward movement, and the packaged material is inserted from the opening of the other end. In the packaging assisting tool, the packaging assisting tool has a pair of first and second arms having a predetermined length, and the first and second arms standing in parallel, with an interval above the arms. A plurality of annular rings that are open and turnably mounted; a stopper member that restricts the lowering of the arm at the upper end of the first arm; a guide claw that opens a bag mouth of the packaging bag at the lower end; The upper and lower arms are respectively provided with attachment portions for lifting means, and when the first and second arms are suspended and the second arm is pulled up, the first arm is moved closer to the second arm. The annular ring is in a suspended state, and this ring is suspended. The second arm is lowered to insert the guide claw of the first arm into the bag mouth of the packaging bag, and the first arm is stopped by the stopper member halfway to bring the annular ring into a horizontal state. It is characterized in that it holds and forms an input port for an article to be packaged at the upper end.

  According to a second aspect of the present invention, in the packaging aid according to the first aspect, the guide claw is formed of a spring piece having elasticity with an inclination angle in a range of 10 ° to 50 °. .

  According to a third aspect of the present invention, in the packaging aid according to the first or second aspect, the guide claw is formed as a separate member from the first arm member, and is attached to the first arm by a detachable fixing means. It is characterized by being.

  According to a fourth aspect of the present invention, in the packaging aid according to the first aspect, the annular ring is obtained by bending a linear member into a spiral shape so that a ring having a predetermined size is formed. And

The invention of the packaging machine according to claim 5 includes a packaging machine body having a predetermined height, a packaging auxiliary tool attached to the packaging machine body to assist in putting an article to be packaged in a packaging bag, and the packaging In a packaging machine comprising an elevating mechanism for moving the auxiliary tool up and down, and a bag holding tool for holding a packaging bag into which the packaging auxiliary tool is inserted,
The packaging assisting device according to any one of claims 1 to 4 is used as the packaging assisting device, and a lowering restricting member to which the stopper member of the first arm is locked is provided on the packaging machine body. When the second arm mounting portion is fixed to the lifting mechanism, the first and second arms are suspended from the packaging machine body, and the second arm is lifted by the lifting mechanism. When the first arm is brought close to the first arm and the annular ring is suspended, and the first arm is lowered in the ring suspended state and the guide claw of the first arm is inserted into the bag mouth of the packaging bag. In addition, the stopper member is engaged with the lowering restricting member, and the lowering of the first arm is stopped halfway to hold the annular ring in a horizontal state.

  According to a sixth aspect of the present invention, in the packaging machine according to the fifth aspect, the bag holder includes a hook portion that is suspended from the packaging machine body, a mounting portion that mounts a plurality of packaging bags, and the guide claws. And a guide plate that slides on the slide plate when the first arm is lowered, and is inserted into the bag mouth of the packaging bag.

  The invention of claim 7 is the packaging machine according to claim 5 or 6, wherein the bag holder is attached with a pressing plate for pressing the packaging bag against the guide claw, and the bag holder is attached to the packaging machine body. When mounted on the packaging bag, a packaging bag is interposed between the pressing plate and the guide claw so as to apply a predetermined contact pressure to the packaging bag.

  According to an eighth aspect of the present invention, in the packaging machine according to the fifth aspect, the elevating mechanism is constituted by a mechanism operated by an electric motor.

  According to a ninth aspect of the present invention, in the packaging machine according to the fifth aspect, the outer periphery of the packaging machine main body is covered with a cover body.

According to a tenth aspect of the present invention, in the packaging machine according to the fifth aspect, the second arm of the packaging auxiliary tool is attached to the lifting mechanism by a detachable coupling means.

  By providing the above configuration, the present invention has the following excellent effects. That is, according to the first aspect of the present invention, the packaging aid does not require a special bag mouth opening mechanism, and the bag mouth can be opened only by the aid, so that the mechanism becomes extremely simple. Moreover, since it can be constituted by a pair of first and second arms and a plurality of annular rings, the shape of each part is simple and the number of types is reduced, and it can be manufactured by simple processing. As a result, a complicated mechanism as in the prior art becomes unnecessary, and the material and processing costs can be reduced, so that hoppers of different sizes and types can be provided to the user at low cost.

  According to the second aspect of the present invention, the guide claw is formed of an elastic spring piece with an inclination angle in the range of 10 ° to 50 °, so that the insertion into the bag mouth becomes extremely simple and reliable.

  According to the invention of claim 3, various types of guide claws can be prepared by forming the guide claws by a member different from the arm member, and attaching a detachable fixing means to this member. A guide claw suitable for the type of bag can be selected, and insertion into the bag mouth is more reliable. In addition, the guide claws can be easily repaired and replaced.

  According to the invention of claim 4, since the annular ring is formed of a spiral linear member, a plurality of annular rings can be formed simply by bending one linear member into a spiral shape. Easy to create. Further, since the mounting on the first and second arms can be sequentially inserted through the through holes provided in these arms, the mounting becomes extremely simple.

  According to the invention of claim 5, the guide claw at the tip of the first arm is brought into contact with the lining of the packaging bag held by the bag holder by raising the packaging auxiliary tool attached to the elevator once and then lowering it. Also, since it is slid and inserted into the bag mouth of the outer surface, there is no need to provide a special opening mechanism for the bag mouth as in the prior art, and the auxiliary tool itself can be inserted into the bag mouth, and the structure of the packaging machine Is extremely easy.

  According to the invention of claim 6, by providing the sliding plate on the bag holder and sliding the guide claw on the sliding plate and then inserting it into the bag mouth of the packaging bag, the guide claw is the lining of the packaging bag. So that it can be inserted into the bag mouth more reliably.

  According to the seventh aspect of the invention, by attaching the pressing plate to the bag holder, the guide claw can be pressed against the packaging bag with a predetermined contact pressure, so that the opening of the bag mouth is ensured.

  According to the eighth aspect of the present invention, when the lifting mechanism is a mechanism that is actuated by an electric motor, the lifting and lowering movement can be automated and the working efficiency can be increased.

  According to the ninth aspect of the invention, by covering the outer periphery of the packaging machine main body with the cover body, it is possible to prevent the intrusion of dust etc. into the main body. Adhesion can be prevented and safety is also improved.

  According to the invention of claim 10, by attaching the packaging auxiliary tool to the elevating mechanism by the detachable fixing means, various types of hoppers can be prepared and selected and exchanged according to the type of the packaging bag. In addition, the hopper can be easily repaired and replaced.

  Hereinafter, the best embodiment of the present invention will be described with reference to the drawings. However, the embodiment shown below exemplifies a packaging aid for embodying the technical idea of the present invention and a packaging machine using this packaging aid, and the present invention is specified to these. It is not intended and other embodiments within the scope of the claims are equally applicable.

FIG. 1 is an external perspective view of a packaging aid according to an embodiment of the present invention and a packaging machine using the packaging aid, and FIG. 2 is a perspective view in which an internal mechanism can be seen by removing the cover from the packaging machine of FIG. 3 is a right side view of FIG. 2, FIG. 4 is a perspective view with the hopper of FIG. 1 removed, FIG. 5 is a modified view of the hopper of FIG. 4, and FIG. 5 (b) is a perspective view showing an annular ring.
The packaging machine 1 which concerns on a present Example is connected to this packaging machine main body 2, and the packaging machine main body 2 of the magnitude | size which can be carried easily, as shown in FIGS. A packaging aid (hereinafter referred to as a hopper) 20 that facilitates charging, a lifting mechanism 7 that moves the hopper 20 up and down, and a bag holder 14 (see FIG. 6) that holds a plurality of packaging bags 18 are provided. The elevating mechanism 7 is housed in the packaging machine body 2 and the outer periphery is covered with a cover body 12.

The packaging machine main body 2 includes a base 3 made of a substantially rectangular frame, and a box-type frame 4 made up of a plurality of support frames and the like standing upright from the base 3 at a predetermined height. box-frame 4 has a front strut frame frame 4 _1, and a rear mounting frame frame 4 _2, these frame member, the top is connected by a connecting frame 4 _3, surrounded by these frames space 4 ₀ is formed inside that. The space 4 within _0, lifting mechanism 7 for vertically moving the hopper is provided. Each support frame 4 ₁ , 4 ₂ is configured so that a reinforcing frame is connected between the frames to obtain a predetermined mechanical strength. These support frame frames 4 ₁ , 4 ₂ , connecting frame 4 ₃ and reinforcing frame are preferably formed of a metal material.

Strut frame Frame 4 ₁ forward, a mounting plate 5 provided on the top thereof, the locking member 5A is provided with bag holding device 14 shown in FIG. 6 to the mounting plate 5 is suspended. Further, this, and the point close to the mounting plate 5, the stopper member 6a that issued predetermined length Zhang forward, 6b are provided from post frame frame 4 _1. These stopper members 6a, 6b, from the strut frame frame 4 ₁ a stopper arm 6 _1, 6 ₁ protruding a predetermined length in the horizontal direction forward, towards the base of these stopper arm _61, 6 ₁ tip substantially triangular sliding member 6 which is inclined obliquely upward _0, and a 6 _0. Sliding member 6 _0, 6 _0, preferably formed such that the curved surface. Thus the pair of stopper members 6a to the support frame frame _{4 1,} by providing the 6b, when the hopper 20 is lowered, the rod-like body 24 is sliding piece ₆ 0 of the hopper 20, _{6 0} of the inclined surface (preferably curved surface) in is guided slidingly forward, it is possible to hold the horizontal position apart annular ring 23a~23n from post frame frame 4 _1.

As shown in FIG. 2, the elevating mechanism 7 is connected to a hopper 20 to move the hopper 20 up and down, and an endless belt (hereinafter simply referred to as a belt) B connected to the operating rod 8. The motor 11 is connected to the belt B. The operating rod 8 has a T-shape as a whole and can be fitted with adjusting screws 10 ₁ , 10 ₂ at predetermined intervals along the extending direction of the top portion 8a on the top portion 8a extending in the T-shaped lateral direction. The adjustment plate 9 to which the screw hole is provided and the hopper 20 is attached is mounted. Further, hanging portion 8b of the actuating rod 8 is fixed by fixing means that is movable in the vertical direction on the rear surface of the support frame frame 4 ₁ is fixed to the belt B. The adjustment plate 9 has a narrow groove 9a formed at the center in the longitudinal direction, and a hopper mounting portion 9b erected at a substantially right angle upward at one end. The adjustment plate 9 is placed on the top 8a of the operating rod 8, and the adjustment screws 10 ₁ , 10 ₂ are screwed into the top 8a via the narrow grooves 9a, thereby supporting frame 4 _1. It becomes possible to move in the front-back direction. Further, the other end of the belt B fixed to the hanging portion 8 b is stretched around the gear of the motor 11. Therefore, the operating rod 8 moves up and down via the belt B by the rotation of the motor 11, and the hopper 20 is moved up and down in conjunction with the vertical movement of the operating rod 8.

The packaging machine main body 2 is surrounded by a cover member 12 the outer periphery of the skeleton made of box-shaped frame 4 is made of the cover 12 ₁ to 12 _5. Of the cover member 12, front cover 12 ₁ as the mounting plate 5A is exposed, the cover body 12 ₅ of the ceiling surface, cut a portion as T-shaped top portion 8a of the actuating rod 8 protrudes away Is provided. Further, the side covers 12 _2, control plate 12A is mounted on the control plate 12A, set the volume C, etc. to control the speed of the power switch Sw and the motor 11 are provided. The other end is led out code W connected to the foot switch FSw at one end from below the side covers 12 ₂ control plate 12A. It is preferable that each cover 12 ₁ to 12 ₅ is formed of a plate body made of sheet metal, such as stainless steel. By covering the main body 2 with the cover member 12 in this way, dust, dust or the like does not enter the inside from the outside, and the lifting mechanism or the like housed inside is not adversely affected.

As shown in FIG. 4, the hopper 20 includes a plurality of annular rings 23a to 23n having a predetermined diameter, and a pair of arms 21 and 22 to which these annular rings 23a to 23n are attached. Each of the annular rings 23a to 23n is a circular ring having a diameter slightly smaller than the diameter of the bag mouth of the packaging bag 18 (see FIG. 6), and is manufactured by bending a metal rod having a predetermined thickness into a circular shape. Each of the arms 21 and 22 is made of a rod-like body having a narrow width and a predetermined thickness, and a plurality of through-holes for attaching a plurality of annular rings 23a to 23n at equal intervals from the upper end to the other end. 21 _{1 to} 21 _n and 22 _{1 to} 22 _n are formed. Each of the through holes 21 _{1 to} 21 _n and 22 _{1 to} 22 _n is formed to have a diameter slightly larger than the diameter of the cut surface of the annular rings 23a to 23n, and the through holes 21 _{1 to} 21 _n and 22 _{1 to} 22 _n are annular. When the rings 23a to 23n are sandwiched, the annular rings 23a to 23n can freely rotate in the through holes 21 _{1 to} 21 _n and 22 _{1 to} 22 _n .

Each of the arms 21 and 22 is formed such that the lower ends 21a and 22a have substantially the same height in a state where the annular rings 23a to 23n attached to the arms 21 and 22 are horizontal. Guide claws 25 are fixed to the portions 21a and 22a by a detachable fixing means. The guide claw 25 has at least a tip portion 25a formed of an elastic body, and the other end 25b is a fixed portion to the arm lower end portions 21a and 22b. The guide claw 25 may be formed integrally with the arms 21 and 22. Further, the guide claw 25 may be provided only on the arm 22. The upper end of arm 21 is longer extended from the arm 22, the upper end of the extended portion 21b, coupling section 21 ₀ is provided which is coupled with the hopper mounting portion 9b of the adjusting plate 9. Further, a bar-like body 24 as a lowering restricting member for preventing the lowering of the second arm 22 is attached to the upper end 22 b of the arm 22 in the lateral direction perpendicular to the second arm 22. For example, as shown in FIG. 2, this rod-shaped body 24 is used to assist the sliding of the annular rings 23 a to 23 n in a horizontal state by hitting the stopper arms 6 a and 6 b and sliding forward when the arm 22 is lowered. It is. The arm 21 is preferably provided with a guide tube 13 above the uppermost annular ring 23a. By providing the guide tube 13, it becomes easier and more reliable to put the article to be packaged into the hopper 20.

The annular rings 23a to 23n shown in FIG. 4 are formed by a plurality of independent individual rings, but as shown in FIG. 5, a ring is formed by spirally bending one small-diameter cylindrical body. You may make it do.
As shown in FIG. 5B, the annular ring 23A is produced by bending a single wire having a predetermined thickness into a spiral shape so that a plurality of circular rings having a predetermined size are formed. is there. For mounting on the arms 21A and 22A, a plurality of through holes 22 ₁ and 22 ₂ are provided in each arm at substantially equal intervals, and one end of a spiral ring 23A is provided in these through holes 22 ₁ and 22 _2. Are inserted and installed in sequence. When the spiral ring 23A is used, the assembly can be made by simply inserting it into the through holes 22 ₁ and 22 _{2 of the} arms 21A and 22A.

A bag holder 14 that suspends and holds a plurality of packaging bags 18 is detachably attached to the packaging machine body 2 by a locking tool 5A. FIG. 6 is a perspective view showing a bag holder and a packaging bag attached to the bag holder.
As shown in FIG. 6, the packaging bag 18 has an elongated film-like sheet material having a lining 18a having a predetermined length and a surface 18b slightly shorter than the lining. It is in the shape of an elongated envelope that is welded together. Portion having an opening formed is slightly extends longer than the outer material 18b in the backing 18a is a longitudinal, open, i.e. the bag mouth 18 ₀ is formed by not welding the edges and lining 18a of the outer material 18b . Further, the extending portion of the lining 18a has a length that allows the guide claw 25 of the hopper 20 to contact and slide. In addition, a pair of attachment holes are formed in the extended portion, and perforations that reach the pair of attachment holes are provided at the upper end portions thereof.

As shown in FIG. 6, the bag holder 14 extends from both ends of the U-shaped hooking portion 15 a suspended from the locking tool 5 </ b> A and through the attachment holes of the packaging bag 18. Thus, it has a pair of arm pieces 15 ₁ and 15 ₂ to which the packaging bag 18 is attached, and is integrally formed by bending one rod-like body. These arm pieces 15 ₁ , 15 ₂ are bent at an acute angle at the tip of the U-shaped hooking portion 15 a, and have such a length that a plurality of packaging bags 18 and a pressing plate 17 can be attached. Yes. The U-shaped hooking portion 15a is formed in a relatively vertically long shape, leaving a part of the U-shaped bottom portion as a portion to be hooked on the locking tool 5A, and a sliding plate 16 is attached to an intermediate portion thereof. By providing the sliding plate 16, point guide claws 25 of the hopper 20 is away from the bag mouth 18 ₀ of the packaging bag 18, i.e., the extending portion of the backing 18a of the packaging bag 18 mixture was allowed to slide on sliding saddle 16 now slid into the bag mouth 18 ₀ along the insertion into the bag mouth 18 ₀ of the hopper 20 is ensured. Without this sliding plate 16 provided on the opposite, the guide claw 25 is caught by the upper end of the packaging bag 18, there may not be plugged smoothly into the bag mouth 18 in _0, by providing the sliding plate 16, insert Is more certain. When the guide claw 25 moves from the sliding plate 16 to the extending portion of the lining 18a, the upper end of the extending portion of the lining 18a extends to the back surface portion of the sliding plate 16 so that the movement is smooth. It is preferable.

When a plurality of packaging bags 18 are laminated and attached to the bag holder 14, the pressing plate 17 is attached to the rear of the laminated body of the laminated packaging bags 18 and presses the packaging bag 18 forward. When the bag holder 14 is attached to the packaging machine body 2, the pressing plate 17 is pressed against the spring body S (see FIG. 2), so that even if the packaging bag 18 is reduced by use, for example. The contact pressure with the guide claw 25 is moderately maintained, and insertion is easy and reliable. The openings 17 ₁ and 17 ₂ are attachment holes.

Next, the bagging operation of the package using the packaging machine 1 will be described with reference to FIGS. 7 and 8 are right side views showing the respective steps for opening the packaging bag using the packaging machine shown in FIG. 2 in time series. In FIG. 7 and 8 for clarity the state where the guide claws 25 of the hopper 20 into the bag mouth 18 ₀ is inserted, shows the vicinity of the bag mouth is positioned as a part sectional view.

  First, when no power is input to the packaging machine 1, as shown in FIG. 7 (a), the hopper 20 has annular rings 23a to 23n (in FIG. 7 and FIG. 8, the reference numerals of the annular rings are representative). In this state, when the power is turned on and the motor 11 is driven by the foot switch FSw, the motor 11 rotates to rotate the belt B. As a result, the operating rod 8 is lifted upward (see FIG. 7B). When the operating rod 8 is lifted, the hopper 20 fixed to the top portion 8a of the operating rod 8 via the adjusting plate 9 is also lifted, and the lift causes the contact between the rod-shaped body 24 and the stopper members 6a and 6b. Since the contact is released, the arm 22 located in the front moves while rotating the annular ring 23 so as to be close to the other arm 21, so that both the arms 21 and 22 are close and the annular ring 23 is in the vertical direction. It will be in a state of standing up almost. At this time, since there is no hopper 20 on the front surface of the packaging bag 18, the bag holder 14 including the packaging bag 18 is pressed against the front surface of the packaging machine 1 by the spring force of the spring body S, so that the entire packaging bag 1 is in front. It will be in the state pushed out slightly.

When the hopper 20 rises to a predetermined height, the motor 11 rotates in the reverse direction, and the operating rod 8 is lowered by the belt B. At the time of the lowering, first, as shown in FIG. 7C, after the guide claw 25 on the arm 22 side moves so as to slide on the sliding plate 16, the tip comes into contact with the extended portion of the lining 18a of the packaging bag 18. . At this time, since the packaging bag 18 and the bag holder 14 are pressed against the front surface by the spring body S, a spring force is applied to the contact surface between the guide claw 25 and the packaging bag 18, The guide claw 25 is substantially pressed against the lining 18 a of the packaging bag 18. Then further hopper 20 is lowered, the arm 22 side of the guide claw 25 is in contact with the bag mouth 18 ₀ in a state of being pressed against the backing 18a of the packaging bag 18, further descent progresses, the guide claw 25 is smoothly bag mouth and thus entering the 18 ₀ (see FIG. 8 (a)). If the arm 22 side of the guide claw 25 is impenetrable to the bag mouth 18 _0, the arm 21 likewise sliding plate 16 and descends while sliding lining 18a of the packaging bag 18 in the packing bag 18 is located inside the arm 22 Into a state as shown in FIG.

Then, further lowering proceeds the rod-like body 24 fixed to the upper end 22b of the arm 22 is the stopper member 6a, lowering of the arm 22 by contacting the 6b is regulated, further the rod-like body 24 is slide member 6 ₀ and stopper by the arm _61, 6 ₁ moves forward while abutting, annular ring 23 which is being suspended on the arm 21 and upright position is restored to the horizontal state, thereby packing bag 18 is opened (FIG. 8 (c)).

  As described above, in the packaging machine 1 according to the present embodiment, the hopper 20 itself is opened when the tip of the hopper 20 is inserted into the packaging bag 18, and the hopper 20 is composed of a plurality of annular rings 23. Therefore, even when a relatively light package object is loaded as in the prior art, the contact area between the hopper 20 and the package object is small, so that packaging can be performed without causing a catch. In addition, since the guide cylinder 13 is attached to the upper part of the uppermost annular ring 23a in the hopper 20 of the present embodiment, it becomes easier to load the package. The hopper 20 is composed of an annular ring 23a to 23n having a predetermined size and a pair of arms 21 and 22 that are respectively supported on the outer periphery of the annular ring 23a to 23n, so that the structure is simple and inexpensive. Can be produced. For this reason, since many hoppers with different sizes can be easily manufactured, various types of hoppers that can be applied to a wide range of packages according to the size of the package can be provided at low cost.

FIG. 1 is an external perspective view of a packaging aid according to an embodiment of the present invention and a packaging machine using the packaging aid. FIG. 2 is a perspective view in which the internal mechanism can be seen by removing the cover from the packaging machine of FIG. FIG. 3 is a right side view of FIG. FIG. 4 is a perspective view with the hopper of FIG. 1 removed. 5 is a modified view of the hopper of FIG. 4, FIG. 5 (a) is a perspective view, and FIG. 5 (b) is a perspective view showing an annular ring. FIG. 6 is a perspective view showing a bag holder and a packaging bag attached to the bag holder. FIG. 7 is a right side view showing, in time series, each step of opening the packaging bag using the packaging machine shown in FIG. FIG. 8 is a right side view showing, in chronological order, each step of opening the packaging bag using the packaging machine shown in FIG.

Explanation of symbols

1 packaging machine 2 packaging machine main body 3 base plate 4 Box-type frame 5A fastener 6a, 6b stopper member 8 actuated rod 9 controlling plate 11 motor 14 bags retainer 15a engaging portion ₁₅ 1, 15 _second arm 17 pressing plate 18 packaging bag 18 ₀ bag opening 20,20A hopper 21 arm 23,23a~23n annular ring 24 the rod-like body 25 guides the nails B belt S spring

Claims (10)

In the packaging auxiliary tool in which the tip part is inserted into the bag mouth of the packaging bag by moving downward and the article to be packaged is inserted from the opening of the other end,
The packaging auxiliary tool has a pair of first and second arms having a predetermined length and the first and second arms standing in parallel, and is rotatably mounted above the arms with a space therebetween. One or more annular rings, a stopper member for limiting the lowering of the arm at the upper end of the first arm, a guide claw for opening a bag mouth of the packaging bag at the lower end, and an upper end of the second arm. When the first and second arms are suspended, and the second arm is pulled up, the first arm approaches the second arm and the annular ring is suspended. In this state, the second arm is lowered and the guide claw of the first arm is inserted into the bag mouth of the packaging bag, and the first arm is stopped by the stopper member halfway. Water ring Hold state, packaging aids, characterized in that it is intended to form the inlet of the articles to be packaged on the upper end.   The packaging aid according to claim 1, wherein the guide claw is formed of a spring piece having elasticity with an inclination angle in a range of 10 ° to 50 °.   The packaging aid according to claim 1 or 2, wherein the guide claw is formed by a member separate from the first arm and is attached to the first arm by a detachable fixing means.   The packaging aid according to claim 1, wherein the annular ring is a linear member that is spirally bent so that a ring having a predetermined size is formed. A packaging machine main body having a predetermined height, a packaging auxiliary tool attached to the packaging machine main body for assisting the insertion of an article to be packaged in a packaging bag, a lifting mechanism for moving the packaging auxiliary tool up and down, and the packaging In a packaging machine comprising a bag holder for holding a packaging bag into which an auxiliary tool is inserted,
The packaging assisting device according to any one of claims 1 to 4 is used as the packaging assisting device, and a lowering restricting member to which the stopper member of the first arm is locked is provided on the packaging machine body. When the second arm mounting portion is fixed to the lifting mechanism, the first and second arms are suspended from the packaging machine body, and the second arm is lifted by the lifting mechanism. When the first arm is brought close to the first arm and the annular ring is suspended, and the first arm is lowered in the ring suspended state and the guide claw of the first arm is inserted into the bag mouth of the packaging bag. In addition, the stopper is engaged with the lowering restricting member, and the lowering of the first arm is stopped halfway to hold the annular ring in a horizontal state.   The bag holder includes a hook portion that is suspended from the packaging machine body, a mounting portion that mounts a plurality of packaging bags, and a sliding plate on which the guide claw slides, and when the first arm is lowered, 6. The packaging machine according to claim 5, wherein the guide claw is slid on the sliding plate and inserted into the bag mouth of the packaging bag.   The bag holder is provided with a pressing plate that presses a packaging bag against the guide claw, and when the bag holder is mounted on the packaging machine body, the bag holder is interposed between the pressing plate and the guide claw. The packaging machine according to claim 5 or 6, wherein a predetermined contact pressure is applied to the packaging bag by interposing the packaging bag.   The packaging machine according to claim 5, wherein the elevating mechanism is configured by a mechanism operated by an electric motor.   The packaging machine according to claim 5, wherein an outer periphery of the packaging machine body is covered with a cover body. The packaging machine according to claim 5, wherein the second arm of the packaging auxiliary tool is attached to the lifting mechanism by a detachable coupling means.

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