JP2010111411A - Packaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging apparatus which can manufacture a packaging body with a flat shape and a uniform thickness dimension by pressing a bag filled with a filled substance by a pair of vibrating shaping plates. <P>SOLUTION: Both end parts of a supporting member 23 includes air cylinders 25 and 26 respectively. A pair of the shaping plates 37 and 37 with which the air cylinders 25 and 26 are respectively equipped pinch a bag S in which rice R is placed and are held in an attitude of a V shape by coil springs 41. Vibrators 39 are fitted on the back surfaces of a pair of the shaping plates 37 and 37, and a pair of the shaping plates 37 and 37 are vibrated by the vibrators 39. When the bag S is pressed by a pair of the shaping plates 37 and 37, the rice R is vibrated through the bag S, and the rice R does not become mutually pushed and its fluidity can be ensured. Therefore, even when the rice R is pressed by a pair of the shaping plates 37 and 37, the rice R can move to the upper end side in the bag S, to be able to manufacture the packaging body P with the flat shape and the uniform thickness dimension. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a packaging device, and more particularly to a packaging device that manufactures a package body having a flat and uniform thickness by pressing a bag containing an object to be filled with a shaping member.

  For example, in a vertical vacuum packaging apparatus provided with a bag shaping device described in Patent Document 1, a pair of shaping plates that are opposed to each other and arranged in an inverted C shape are provided. The facing region is provided with a bag in which a powdery or granular material as a filling material is placed. And a pair of shaping plates are closed, and by pressing sequentially from the lower end to the upper end of the bag in which the filling is put, the packing is flattened so that the filling is less inclined to the lower end. Trying to manufacture.

  However, in the vertical vacuum packaging apparatus provided with the conventional bag shaping device, the pair of shaping plates simply press the bag containing the filling material, so that the filling materials are pressed against each other. It becomes impossible to flow. Accordingly, there is a problem in that the packing cannot be manufactured to a flat shape because the filler is pressed and hardened without moving to the upper end of the bag.

JP 2001-39408 A

  The present invention has been made paying attention to the above-mentioned conventional problems, and by pressing a bag containing a filling with a pair of vibrating shaping plates, a flat shape and a uniform thickness dimension packaging. It is an object of the present invention to provide a packaging device that can manufacture a body.

  SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. The invention of claim 1 is supported by a bag support means for supporting a bag having an open upper end and containing a filling material, and the bag support means. A pair of shaping members disposed opposite to each other across the bag, shaping member driving means for driving the pair of shaping members in a direction to approach and separate, and the pair of shaping members by the shaping member driving means. When driven in the approaching direction, the pair of shaping members sequentially increase the pressing area against the bag from the lower end portion to the upper end portion of the bag, and vibration means for vibrating the pair of shaping members. And a sealing means for sealing the opening on the upper end side of the bag in which the filling material is put in a state of being pressed by the pair of shaping members.

  According to a second aspect of the present invention, in the packaging apparatus according to the first aspect, the pair of shaping members are configured by bonding a hard member and an elastic member, and the surface on the elastic member side is a pressing surface. This is a characteristic packaging device.

  A third aspect of the present invention is the packaging apparatus according to the first or second aspect, wherein the pair of shaping members are constituted by hard members.

  A fourth aspect of the present invention is the packaging apparatus according to the first or second aspect, wherein a large number of recesses are formed on the pressing surfaces of the pair of shaping members.

  The invention of claim 5 is the packaging apparatus according to claim 1 or 2, wherein the pressing surfaces of the pair of shaping members are smooth.

  The invention of claim 6 is the packaging apparatus according to any one of claims 1 to 5, further comprising a deaeration means for extracting air from the bag in which the filler is placed, and the bag is flattened by being pressed. After that, the air in the bag is extracted by the deaeration means, and the upper end side opening of the bag is sealed by the sealing means in the state as it is.

  A seventh aspect of the present invention is the packaging device according to any one of the first to sixth aspects, wherein the pair of shaping members are exchangeable.

  The invention of claim 8 is the packaging apparatus according to any one of claims 1 to 7, wherein the filler is a granular material.

  According to the packaging device of the present invention, the pair of shaping members are vibrated by the vibrating means, and therefore, when the bag is pressed by the pair of shaping members, the filling is vibrated through the bag. For this reason, the filling material put in the bag is not in a state where the filling materials are pressed against each other, and the fluidity of the filling material is ensured. Therefore, even if the bag containing the filling material is pressed by a pair of shaping members, the filling material can be moved to the upper end side in the bag, and a flat and uniform package with a uniform thickness can be manufactured. it can.

FIG. 1 shows a package P manufactured by a packaging apparatus 1 described later according to an embodiment of the present invention.
The package P is flat and has a uniform thickness. The package P is configured such that rice R as a filling material is put in a rectangular bag S described later, four sides of the bag S are sealed, and the rice R is enclosed in the bag S.
As shown in FIG. 2, the bag S and the rice R are so close that the shape of the rice R appears on the surface of the bag S.

Hereinafter, the packaging device 1 for producing the package P will be described.
Reference numeral 3 denotes a main body, and a filling nozzle 5 is provided on the left end side of the main body 3, and the filling nozzle 5 is connected to a storage tank (not shown).
A shaping device 21 is provided in a lower region of the filling nozzle 5. The shaping device 21 is located on the right side shown in FIG. 9 from the position on the left side shown in FIG. 8 (hereinafter referred to as home position). It can be reciprocated by a mechanism (not shown) between the approached position (hereinafter referred to as a delivery position).

FIG. 3 shows a detailed structure of the shaping device 21.
Reference numeral 23 denotes a support member, and air cylinders 25 and 26 as shaping member driving means are provided at both ends of the support member 23, respectively.
These air cylinders 25 and 26 have a symmetrical structure, and each member attached to each of the air cylinders 25 and 26 has a left and right symmetrical structure, so the air cylinder 25 side will be described as a representative example. About each member attached to the structure of the air cylinder 26 side, the same code | symbol as the air cylinder 25 side is attached | subjected and description is abbreviate | omitted.

Reference numeral 24 denotes a shaft case. The shaft case 24 is provided with a pair of upper and lower guide shafts 27, 27 that are detachable, and the shaft case 24 is provided with a drive shaft 29 that is detachable. . The drive shaft 29 is disposed between the guide shafts 27 and 27, and the drive shaft 29 is driven in the exit / entry direction (see FIGS. 5 to 7).
A holding plate 31 is provided at one end of the guide shafts 27 and 27 and the drive shaft 29, and a clamp member 30 is attached to the upper end of the holding plate 31. The clamp member 30 has elastic members 32 on opposite sides.
An L-shaped support piece 34 is fixed to the lower surface of the clamp member 30, and a shaping plate 37 as a shaping member is swingably attached to the support piece 34 via a hinge 35. The hinge 35 is attached to the support piece 34 with an attachment screw 36. Therefore, if the mounting screw 36 is removed, the shaping plates 37, 37 can be removed, and a hinge to which another shaping plate, which will be described later, is fixed is attached to the support piece 34 by the mounting screw 36, so that it can be replaced with another shaping plate. Is possible.

A base plate 33 is attached to the holding plate 31. A coil spring 41 as a pressure adjusting means is interposed at the upper end portion of the base plate 33 and the lower end portion of the base plate 33. By the urging force of the coil spring 41, the shaping plate 37 The lower end portions are held in an inclined posture that approaches each other. In other words, the pair of shaping plates 37, 37 provided in the air cylinders 25, 26 are maintained in a posture in which the coil spring 41 has an inverted C shape.
In addition, a vibrator 39 as a vibrating means is attached to the rear surface of the shaping plate 37. The vibrator 39 vibrates as the mass moves along a predetermined path with compressed air at high speed.
As shown in FIG. 4, the shaping plate 37 is configured by bonding a stainless plate 43 as a hard member and a rubber plate 45 as an elastic member, and the rubber plate 45 has a large number of recesses 47 formed therein. ing. Further, the surface of the rubber plate 45 is a pressing surface.

Reference numerals 7 and 7 denote clamp members as bag support means, and these clamp members 7 and 7 are provided in the main body 3. These clamp members 7 are arranged above the shaping device 21 located at the home position.
Further, a deaeration nozzle 9 as a deaeration means is provided above the shaping device 21 located at the home position, and this deaeration nozzle 9 is connected to a vacuum pump (not shown).
Further, the main body 3 is provided with a sealing device 10 as sealing means, and this sealing device 10 is disposed above the shaping device 21 located at the delivery position.

Next, operation | movement of this packaging apparatus 1 is demonstrated.
First, the switch of the packaging apparatus 1 (not shown) is turned on, the vibrator 39 is operated, and the pair of shaping plates 37 and 37 are vibrated.
The bag S is supplied by a supply device (not shown), the bag S is held by the clamp members 7, and the upper end side opening of the bag S is expanded. Then, rice R is filled into the bag S from the filling nozzle 5, and the rice R is collected at the lower end portion in the bag S.
Further, the deaeration nozzle 9 descends and enters the bag S from the upper end side opening of the bag S.

Next, the shaping device 21 moves from the delivery position to the left (hereinafter referred to as A direction) and stops at the home position. As shown in FIG. 5, the shaping device 21 stops at a position where the pair of shaping plates 37, 37 face each other with the bag S interposed therebetween.
Then, the drive shaft 29 is driven in the protruding direction, and accordingly, the guide shafts 27 and 27 are driven in the same direction, so that the pair of shaping plates 37 and 37 operate in directions close to each other.
As shown in FIG. 6, the pair of shaping plates 37, 37 has an inverted C-shaped posture, so that the pressing area against the bag S sequentially from the lower end portion of the bag S containing the rice R toward the upper end portion. The bag S is pressed while increasing. Accordingly, the rice R is pressed through the bag S so as to be pushed up from the lower end portion in the bag S toward the upper end side.

As described above, since the pair of shaping plates 37, 37 are vibrated by the vibrator 39, this vibration is transmitted to the rice R through the bag S, and the rice R is vibrated. Therefore, even if the rice R is pressed from both side surfaces by the shaping plates 37, 37, the rice R is not pressed against each other, and the fluidity of the rice R is ensured. Therefore, the rice R is smoothly pushed up to the upper end side in the bag S, and the rice R is spread to a uniform thickness as shown in FIG.
Since the pressing surfaces of the pair of shaping plates 37 and 37 are formed with a large number of concave portions 47, the rice R enters a large number of concave portions 47 through the bag S, and the vibration of the pair of shaping plates 37 and 37 is caused. Efficiently communicated to US R.

On the other hand, when the shaping plates 37 and 37 are driven in a direction close to each other, the upper end side opening of the bag S is closed by the pair of elastic members 32 and 32. The deaeration nozzle 9 entering the bag S is sandwiched between the pair of elastic members 32 and 32 via the bag S. Since the pair of elastic members 32, 32 are elastically deformed into the shape of the deaeration nozzle 9, the upper end side opening of the bag S is closed. Then, the air in the bag S is extracted by the deaeration nozzle 9.
As shown in FIG. 8, the shaping device 21 moves slightly downward, and the deaeration nozzle 9 is removed from the bag S. Then, the pair of shaping plates 37, 37 move in the right direction (hereinafter referred to as B direction) while holding the bag S, and the shaping device 21 stops at the delivery position as shown in FIG.

In the delivery position, the upper end side opening of the bag S is closed by the pair of elastic members 32, 32 in a state without a gap, and sealed by the sealing device 10, the rice R is enclosed, and the package P is removed. Manufactured.
Next, the drive shaft 29 is driven in the retracting direction, the guide shafts 27 and 27 are driven in the same direction, and the pair of shaping plates 37 and 37 are moved away from each other. As a result, the state of holding the package P of the pair of shaping plates 37 and 37 is released, and the package P falls and is discharged out of the machine through a chute (not shown).
And as shown in FIG. 10, the shaping apparatus 21 moves to A direction, performs the operation | movement mentioned above in a home position, and moves to B direction, and the packaging body P is continuously carried out by performing the operation | movement mentioned above. Manufactured.

  In the packaging apparatus 1 described above, the pair of shaping plates 37 and 37 are vibrated by the vibrator 39. Therefore, when the bag S is pressed by the pair of shaping plates 37, 37, the rice R is vibrated through the bag S. Thereby, the rice R put in the bag S is not in a state where they are pressed against each other, and the fluidity of the rice R is ensured. Therefore, even if the rice R is pressed by the pair of shaping plates 37, 37, the rice R can move to the upper end side in the bag S, and the package P having a flat shape and a uniform thickness can be manufactured. .

In the above-described embodiment, rice R as a filling material is used, but the filling material is not limited to rice R that is a granular material, and may be tea leaves or the like. In this case, as the pair of shaping plates 49, 49, as shown in FIG. 11, a stainless plate having a smooth pressing surface is used alone.
When a pair of vibrating plates 49, 49 press the bag containing tea leaves, the tea leaves are smoothly pushed up to the upper end side of the bag, and the package has a flat shape and a uniform thickness. Is manufactured.

Although the embodiment of the present invention has been described in detail above, the specific configuration is not limited to the configuration of the embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. included.
As shown in FIG. 12, the shaping plate 50 is configured by bonding a stainless plate 43 and a rubber plate 46, and the surface of the rubber plate 46 serves as a pressing surface. Like the rubber plate 46 of the shaping plate 50, the surface may be smooth.
That is, the configuration of the shaping plate is appropriately changed depending on the type of the filling.
The vibrator attached to the shaping plate is not limited to the one shown in the above embodiment, and a vibration generated by the centrifugal force generated by rotating an eccentric mass on the motor, or using an electromagnet to generate vibration. It may be allowed.

  The packaging device of the present invention is not limited to foods such as rice and tea leaves, but can be used for packaging granular materials other than foods, powders, and the like.

It is a perspective view of the package manufactured by the packaging apparatus which concerns on embodiment of this invention. It is a side view of the package of FIG. It is a perspective view of the shaping device with which the packaging apparatus which concerns on embodiment of this invention is equipped. It is sectional drawing of the shaping board with which the shaping apparatus of FIG. 3 is equipped. It is a figure for demonstrating operation | movement of the shaping apparatus of FIG. It is a figure for demonstrating the operation | movement following FIG. It is a figure for demonstrating the operation | movement following FIG. It is a figure where the shaping apparatus of FIG. 3 is located in a home position. It is a figure in which the shaping apparatus of FIG. 3 is located in a delivery position. FIG. 10 is a diagram in which the shaping device of FIG. 9 returns to the home position. It is sectional drawing concerning other embodiment of the shaping board of FIG. It is sectional drawing concerning other embodiment of the shaping board of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Packaging apparatus 3 ... Main body 5 ... Filling nozzle 7 ... Clamp member 9 ... Deaeration nozzle 10 ... Sealing device 21 ... Shaping device 23 ... Support member 24 ... Shaft case 25, 26 ... Air cylinder 27 ... Guide shaft 29 ... Drive shaft DESCRIPTION OF SYMBOLS 30 ... Clamp member 31 ... Holding plate 32 ... Elastic member 33 ... Base plate 35 ... Hinge 37 ... Shaping plate 39 ... Vibrator 41 ... Coil spring 43 ... Stainless steel plate 45 ... Rubber plate 46 ... Rubber plate 47 ... Concavity 49 ... Shaping plate 50 ... Shaping Plate R ... Rice S ... Bag P ... Packaging

Claims (8)

  Bag support means for supporting a bag having an upper end open and containing a filling, a pair of shaping members disposed opposite to each other with the bag supported by the bag support means, and the pair of shaping members When the shaping member driving means drives the shaping member driving means in a direction in which the pair of shaping members are close to each other, the pair of shaping members are moved from the lower end portion to the upper end portion of the bag. A pressure adjusting means for sequentially increasing the pressing area against the bag, a vibration means for vibrating the pair of shaping members, and an upper end side of the bag in which the filling is put in a state of being pressed by the pair of shaping members A packaging device comprising sealing means for sealing the opening.   2. The packaging apparatus according to claim 1, wherein the pair of shaping members are configured by bonding a hard member and an elastic member, and a surface on the elastic member side is a pressing surface.   The packaging apparatus according to claim 1 or 2, wherein the pair of shaping members are constituted by hard members.   The packaging apparatus according to claim 1 or 2, wherein a plurality of recesses are formed on each pressing surface of the pair of shaping members.   The packaging device according to claim 1 or 2, wherein each pressing surface of the pair of shaping members is smooth.   The packaging apparatus according to any one of claims 1 to 5, further comprising a deaeration means for removing air from the bag containing the filling, and after the bag is flattened by being pressed, by the deaeration means The packaging device is characterized in that the air in the bag is removed and the upper end side opening of the bag is sealed by the sealing means in the state as it is.   The packaging device according to any one of claims 1 to 6, wherein the pair of shaping members are exchangeable.   8. The packaging apparatus according to claim 1, wherein the filling material is a granular material.

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