JPH078404Y2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a packaging device for vegetables and the like.

[Prior Art] Conventionally, for vegetables such as spinach and green onions, at the production site, individual farmers use a tape tying machine or the like to bundle a predetermined amount of vegetables with an adhesive tape and package it, and then ship it. However, in recent years, in consideration of keeping freshness and appearance,
Bag-shaped packaging film is often used for packaging.

[Problems to be solved by the invention] By the way, in the above-mentioned conventional packaging, in the case of a bag-shaped packaging film, the bag is formed into a bag shape in advance and the vegetables are manually put into the packaging film. Because there is
There were problems such as labor and time required for the packaging work, and poor work efficiency.

Especially, as a packaging film, centrifugal polypropylene (OP
It is preferable to use an anti-fogging film such as P) to prevent the inside from becoming cloudy when vegetables are put inside, enhance the commercial value, maintain freshness, and prevent spoilage. However, since the slippage is not good, it is difficult to smoothly put the vegetables directly into the inside, and therefore, it is necessary to prepare a separate sheet, wrap it and put it in separately. , More important.

In addition, in order to solve this problem, it is possible to automate film packaging, but for that purpose, large-scale equipment is required, and furthermore, it is the producer who is the producer who performs the packaging work. Considering that there is a problem in terms of physical and cost to introduce such large-scale equipment, therefore, it is possible to inexpensively package vegetable film without introducing large-scale equipment. A convenient automated packaging device has been desired.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to perform bag making and packaging automatically at the same time with a small and inexpensive device regardless of large-scale equipment. (EN) Provided is a packaging device capable of easily and promptly performing a packaging work of an article to be packaged such as vegetables, improving work efficiency, and particularly suitable for soft vegetables such as spinach.

[Means for Solving the Problems] In the present invention, in order to solve the above-mentioned conventional problems,
A supply port for the article to be packaged, a packaging passage that is in communication with the supply port and is provided in a hanging direction, a pair of roll-shaped films located on both outer sides of the supply port, a drive roller, and a pressing force that presses the film against the drive roller. A film feeding means, which is composed of a roller, and which feeds each of the pair of roll-shaped films into the packaging passage from the supply port in synchronization with each other, and a pair of lateral heating members and a pair which are arranged to face each other through the packaging passage. A vertical heating member, heating member driving means connected to both heating members for moving the heating members on one side and the corresponding heating members on the other side closer to and away from each other, and opposed to each other via the packaging passage. And a pair of elastically deformable straightening members that are respectively located in regions partitioned by both heating members on each side and that perform approaching and separating operations integrally with both heating members,
When the heating members are separated from each other, the pair of films are fed into the packaging passage to receive the packaged object between the films, and when the heating members are close to each other, the posture of the packaged object is corrected by the correction member. In this state, a pair of films fed into the packaging passage at the upper end of the packaging passage by the horizontal heating member are fused and cut along the width direction of the film, and both cut ends are kept fused even after the cutting. With the above, the present invention proposes a packaging device characterized in that one end portion along a longitudinal direction of a pair of films fed into the packaging passage below the lateral heating member is fused by the longitudinal heating member. Is.

Further, in the above configuration, a configuration is proposed in which the amount of film delivered by the film delivery means is controlled by a timer.

[Operation] According to the present invention, with the above-described configuration, the supply port of the article to be packaged, the packaging passage, the pair of roll-shaped films, the film feeding means, and the pair of lateral heats disposed on both sides through the packaging passage. A member and a pair of vertical heating members and a pair of correction members, a heating member driving means, and a pair of correction members,
When the heating members are separated from each other, the pair of films is fed into the packaging passage to receive the packaged object between the films, and when the heating members are close to each other, the posture of the packaged object is corrected by the correction member. In the state, the pair of films fed into the packaging passage at the upper end of the packaging passage by the horizontal heating member are fused and cut along the width direction thereof, and both the cut portions are kept fused even after the cutting. Along with, since the one end portion along the vertical direction of the pair of films fed into the packaging passage below the horizontal heating member by the vertical heating member is fused, the packaged object such as vegetables is supplied to the supply port. Just by placing it, the product to be packaged inside will not be affected by the three-dimensional shape of the product to be fused, and the fusion and cutting of the film will be surely made good without wrinkling. , A bag in which three sides are sealed by a horizontal heating member and a vertical heating member is obtained, and regardless of large-scale equipment or the like, a small-sized, inexpensive device can be used to automatically perform bag-making and packaging at the same time. The packaging work can be performed easily and quickly, the work efficiency is improved, and particularly soft vegetables such as spinach and the like can be favorably dealt with.

In addition, the size of the bag in the width direction can be easily and freely varied by the structure in which the amount of film fed by the film feeding means is controlled by the timer.

[Embodiment] An embodiment of the packaging device according to the present invention will be described in detail with reference to the drawings.

In the figure, 1 is a box-shaped housing, and at the four corners of the lower surface,
Equipped with caster legs 2. A supply port 3 is formed in the center of the upper surface of the housing 1 so that vegetables 4 such as spinach, green onions, and mustard spinach can be supplied from the supply port 3.

Reference numeral 5 denotes a packaging passage, which is provided in the center of the housing 1 so as to communicate with the supply port 3 in a hanging direction.

6 is a pair of roll-shaped films that are the material of the bag,
It is located on the left and right sides of the outside of the inlet 3. Each roll-shaped film is arranged along the front-rear direction, and both ends of the shaft portion 6a are engaged with the U-shaped groove 7a of the support plate 7 projectingly provided on the upper surface of the housing 1 so as to be detachable and rotatable. It is possible.

As a packaging film, an anti-fog film such as centrifugal polypropylene (OPP) prevents internal fogging due to the moisture when vegetables are put inside, increasing the commercial value, maintaining freshness, and preventing spoilage. It is preferable in terms of prevention.

Between the roll-shaped films 6 and the supply port 3, a pair of driving rollers 8 and pressing rollers 9 for pressing the films 6 against the driving rollers 8 are provided on the upper surface of the housing 1 along the front-rear direction. At the rear end of each drive roller 8 located in the housing 1 and partially exposed in the housing 1.
10 is fitted, the payout drive motor 12 is housed in the left end portion of the housing 1, and a drive sprocket 13 is fitted on the motor shaft 12a thereof. The drive sprocket 13 and the right drive roller sprocket 10 are connected to a chain 14 The left drive roller sprocket 10 is circumscribed in the middle of the wound chain 14, and the drive sprocket 13 fitted to the motor shaft 12a is rotated counterclockwise to drive the left drive. The roller 8 is rotated clockwise and the driving roller 8 on the right side is rotated counterclockwise, and the pair of roll-shaped films 6 are synchronously fed out from the supply port 3 into the packaging passage 5, thereby constituting a film feeding means. It is like this. The pressing roller 9 is the driving roller 8
U-shaped groove 15a formed in the upper end portion of the support plate 15 for supporting the film 6, the film 6 is pressed against the drive roller 8 by its own weight, and the film 6 rotates in cooperation with the drive roller 8. It is designed to let out smoothly.

Reference numeral 21 denotes a pair of horizontal heating members, which are arranged to face each other on both left and right sides through the packaging passage 5, and 22 denotes a pair of vertical heating members, which are similarly arranged to face each other on both left and right sides through the packaging passage 5. Has been done. Each horizontal heating member 21 is arranged along the front-rear direction at the upper end of the packaging passage 5, and each vertical heating member 21
22 is arranged at the rear of the packaging passage 5 along the vertical direction thereof, and a nichrome wire (not shown) is provided on the right lateral heating member 21 and the right vertical heating member 22 to energize them. By doing so, heating is performed.

The horizontal heating member 21 and the vertical heating member 22 are integrally attached to the holding member 31 on each of the left and right sides,
Each holding member 31 is movable along the guide member 32 by penetrating a guide member 32 disposed and supported in the housing 1 along the left-right direction at its four corners.
A heat member drive motor 33 is housed in the left end portion of the housing 1, a gear 34 is fitted to a motor shaft 33a of the motor 33, and a gear 36 that meshes with the gear 34 via the gear 35 is provided and the gear 34 rotates. The plate 37 is provided on the same axis so that it can be linked together.
At the front end of the holding member 31, the rotary plate 37 and the right holding member
31 and the first link member 38, the gear 36 and the left holding member
31 and the second link member 39 are connected to each other in the form of a piston / crank mechanism, and the gear 3 is fitted to the motor shaft 33a.
4 rotate counterclockwise, rotate plate 37 clockwise, and gear 3
By counter-rotating 5 counterclockwise with respect to each other at a ratio of 1: 1, each half of rotation plate 37 and gear 35 causes each holding member 31 to move from the illustrated position toward the central position of packaging passage 5. Then, the respective holding members 31 are moved backward and away from each other to the positions shown in the drawing by the remaining half rotation.

Further, the rotation of the gear 35 or the rotary plate 37 and the gear 36 is performed by the shaft members 40 and 41 which are fitted to the front end portions of the gear members 35 and which are arranged along the front-rear direction. 42 and 43, respectively, at the rear end of the holding member 31,
As omitted in FIG. 1, the rotary plate 42 and the holding member 31 on the right side are connected by a first link member 44, and the rotary plate 43 and the holding member 31 on the left side are connected by a second link member 45, respectively. Has been done. Therefore, the holding member 31 is connected by the first link members 38 and 44 and the second link members 39 and 45 at the front and rear ends thereof so as to sandwich the holding member 31, and the holding member 31 smoothly moves along the guide member 32. You can move to.

As a result, a heating member drive means for moving the heating members 21, 22 on one side and the heating members 21, 22 on the other side corresponding to them toward and away from each other is configured.

In addition, 46 is a pair of support members that support both ends of the guide member 32, and are arranged in the housing 1 along the front-rear direction, and 47 is connected to the left support member 46 and The heating member drive motor 33 is attached to the front arm member 47, which is a pair of left and right arm members, and the shaft members 40 and 41 are rotatably supported by both arm members 47.

Reference numeral 51 denotes a sponge-like elastically deformable straightening member, which is attached in a concave shape to the opposing surface of each holding member 31 and is disposed so as to face each other via the packaging passage 5, and both heating members 21, 22 on each side. Located in the area defined by and, and both heating members 21, 22
It is designed to perform the approaching / separating operation integrally with.

Next, the operation of this apparatus will be described based on the flowchart shown in FIG.

First, in step S1, the vegetables 4 are placed on the film 6 that has been fed so as to close it at the supply port 3.

In step S2, the start switch 61 for starting the device is turned on (ON).

In step S3, the feed drive motor 12 is activated when the start switch 61 is turned on. As a result, when the heating members 21 and 22 are separated from each other, the pair of films 6 is fed into the packaging passage 5, and the vegetables 4 are received between the films 6. Further, the timer T1 is started along with the activation of the feeding drive motor 12.

When the timer T1 times out in step S4, the feeding drive motor 12 stops. Here, the feeding length of the film 6 can be controlled by adjusting the length of the timer T1.

In step S5, the heating member drive motor 33 is started along with the stop of the feeding drive motor 12. As a result, the horizontal heating member 21, the vertical heating member 22, and the correction member 41 move close to each other.

Further, the shaft member 40 is rotated so as to rotate integrally with the rotary plates 37 and 42.
Limit switches LS1 and LS2 that engage and disengage from the actuating parts 62 and 63 that are installed at an angle of 180 degrees on the
Of these, the limit switch LS1 is disengaged from the actuating portion 62 and turned off (OFF) when the heating member drive motor 33 is activated.

In step S6, when the shaft member 40 rotates half a turn, the limit switch LS2 engages with the operating portion 63 and turns on (ON), which stops the heater member drive motor 33. Here, the straightening member 51 includes the horizontal heating member 21 and the vertical heating member 22 for the vegetables 4.
Within the area defined by and, the posture of the vegetables 4 is adjusted and corrected so that the vegetables 4 are wrapped from the left and right sides, and in this state, the horizontal heating member 21 and the vertical heating member 22 are pressed against each other with the pair of films 6 sandwiched therebetween. . Further, with the stop of the heating member drive motor 33, the right lateral heating member 21 and the right vertical heating member 22 are each energized, and their heating is started, and the heat timer
T2 and T3 start.

When the heat timer T2 times out in step S7,
The power supply to the vertical heating member 22 is cut off (OFF), and the heating is completed.

When the heat timer T3 times out in step S8,
The energization to the lateral heating member 21 is cut off (OFF), and the heating is completed.

When both heating members 21, 22 are close to each other, the horizontal heating member
According to 21, the pair of films 6 fed into the packaging passage 5 at the upper end of the packaging passage 5 are fusion-bonded and cut along the width direction thereof, and both cutting ends are fusion-bonded and maintained after cutting, According to the vertical heating member 22, the pair of films 6 fed into the packaging passage 5 below the horizontal heating member 21.
Fusing one end along the vertical direction. In this way, the film 6 is cut and, as shown in FIG. 4, is sealed by the horizontal fusion-bonding portion 64 by the horizontal heating member 21 and the vertical fusion-bonding portion 65 by the vertical heating member 22. A bag 66 having the widthwise direction in the longitudinal direction of the film 6 is formed, and the vegetables 4 are packaged inside, and passed from the packaging passage 6 through the shooter 67 provided at the lower part of the bag 6 and prepared on the left side of the shooter 64. It falls naturally into the container 68. After the bag 6 drops,
Since the lower end of the remaining film 6 is fused as shown in FIG. 4, the supply port 3 is always closed by the film 6 in step S1. In addition, when newly setting the roll-shaped film 6, each film 6
Since the lower ends of the pair of films 6 are not yet connected, it is necessary to turn on the start switch 61 and once perform idle operation to fuse the lower ends of the pair of films 6.

Note that the heat timer T2 is timed up earlier than the heat timer T3, and the fusion by the vertical heating member 22 is finished earlier than the cutting of the horizontal heating member 21, and when the fusion is performed by the vertical heating member 22, the portion is cut. By applying no inconvenient force, the fusion by the vertical heating member 22 can be surely performed favorably.

Further, the right vertical heating member 22 having a nichrome wire,
The film 6 is covered with Teflon tape or the like so as to suppress the overheat and have a heat insulating effect so as not to cut the film 6.

In step S9, the heat member drive motor 33 is activated as the heat timer T3 times out. As a result, the limit switch LS2 is disengaged from the actuating portion 63 and turned off, so that the horizontal heating member 21, the vertical heating member 22, and the correction member 41 move apart.

In step S10, when the heating member drive motor 33 makes a half rotation, the limit switch LS1 engages with the operating portion 62 and turns on, the heating member drive motor 33 stops, and both heating members 21
22 and 22 and the correction member 51 return to the original position. This makes it possible to handle the next packaging.

Note that, with respect to the horizontal heating member 21, the vertical heating member 22 is arranged below the horizontal heating member 21 so as not to be continuous with the vertical heating member 22, and the vertical fusion bonding portion in the vertical direction is formed.
It is preferable that a gap be provided between 65 and the lateral fusion-bonded portion 64, and that a hole 69 be formed at the bottom of the bag 66. Usually, it is necessary to replenish the inside of the bag with water to maintain the freshness of the vegetables 4, but the holes 69 facilitate draining of water so that excessive water does not remain inside, and the vegetables 4 rot. This is to prevent

Further, the supply port 3 has an inclined surface 71 formed so as to be widened to the left and right toward the upper side so as to project from the upper surface of the housing 1, and the upper surface of the film 6 protruding from between the drive roller 8 and the pressing roller 9 is On the outside of the upper end portion of the inclined member 72 forming the inclined surface 71, the film 6 is raised to the upper end of the inclined plate 71 while being pressed by a guide roller 74 detachably supported by a U-shaped groove 73 provided therein. When the vegetables 4 are received between the films 6, it is possible to suppress the generation of wrinkles along the width direction of the film 6 by feeding the vegetables 4 downward along the direction.

Further, in the correction member 51, in the rear center,
That is, the correction can be satisfactorily performed by partially forming the protrusion 75 at the bottom of the bag 66 or at a position corresponding to the vicinity of the vertical fusion-bonded portion 65.

Furthermore, films having different widths can be easily applied by adopting a structure such as extending the distance between the supporting members 7, 7.

75 is a regulating member that can slide in the width direction of the film 6 along the inclined surface 71 and has a back plate portion 76 at the rear portion. Do not go too far to the position corresponding to the bottom, and at the time of fusion,
Prevent wrinkles.

With the above configuration, the supply port 3 for the vegetables 4, the packaging passage 5,
A pair of roll-shaped films 6, a film feeding means, a pair of horizontal heating members 21 and a pair of vertical heating members 22 and a pair of straightening members 51, which are arranged on both sides through the packaging passage 5, and a heating member driving means. And both heating members 2
When 1 and 22 are separated from each other, the pair of films 6 is fed into the packaging passage 5 to receive the vegetables 4 between the films 6, and when the heating members 21 and 22 are close to each other, the posture of the vegetables 4 is corrected by the correction member 51. Then, the pair of films 6 fed out into the packaging passage 5 at the upper end portion of the packaging passage 5 by the lateral heating member 21 are fused and cut along the width direction and both the cut ends are kept fused even after the cutting. Along with the vertical heating member
Since one end portion along the longitudinal direction of the pair of films 6 fed into the packaging passage 5 below the horizontal heating member 21 by fusing is fused, the vegetables 4 are simply placed on the supply port 3.
With the vegetables 4 accommodated inside, the film 6 is reliably fused and cut satisfactorily without wrinkles without being affected by the three-dimensional shape of the vegetables 4, and the lateral heating member 21 A bag with three sides sealed by the vertical heating member 22 and 66
It is possible to automatically perform bag making and packaging at the same time with a compact and inexpensive device, regardless of large-scale equipment, and to perform the packaging work easily and quickly, improving work efficiency, Especially, it can be suitably applied to soft vegetables such as spinach.

Further, the size of the bag 66 in the width direction can be easily and freely varied by the configuration in which the timer T1 controls the film feeding amount of the film feeding means.

The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention.

For example, in the above embodiment, vegetables have been described as the members to be wrapped, but the present invention is not limited to this, and other members can be applied.

[Effects of the Invention] As described above, according to the packaging device of the present invention, the packaging material is provided with the supply port, the packaging passage, the pair of roll-shaped films, the film feeding means, and the packaging passage. A pair of lateral heating members and a pair of vertical heating members and a pair of straightening members, a heating member driving means, and a pair of straightening members disposed on both sides of the pair of films when the heating members are separated from each other. Is fed into the packaging passage to receive the article to be packaged between the films, and when the heating members are close to each other, the orientation of the article to be packaged is corrected by the correction member, and the packaging path is provided by the lateral heating member. At the upper end of the pair of films fed into the packaging passage is fused and cut along the width direction of the film to keep both cut portions fused even after the cutting, and by the vertical heating member. Since one end portion along the longitudinal direction of the pair of films fed into the wrapping passage below the horizontal heating member is fused, only the object to be packaged such as vegetables is placed in the supply port, and the inside of the wrapping passage is covered. In the state where the package is housed, without being affected by the three-dimensional shape of the packaged object, the film is fused and cut reliably and satisfactorily without wrinkling,
A bag in which three sides are sealed by a horizontal heating member and a vertical heating member is obtained, and it is possible to perform bag making and packaging automatically at the same time with a small, inexpensive device without using large-scale equipment. The work can be performed easily and quickly, the work efficiency is improved, and particularly, soft vegetables such as spinach can be favorably dealt with, and various effects are exhibited.

In addition, the size of the bag in the width direction can be easily and freely varied by the structure in which the amount of film fed by the film feeding means is controlled by the timer.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of an essential part of an embodiment of the packaging device according to the present invention, FIG. 2 is a lateral cross-sectional view of the essential part, FIG. 3 is a flow chart showing the operation of the packaging device, and FIG. It is a perspective view which shows the packaging state of a package. 3 ... Supply port, 4 ... Vegetables 5 ... Packaging passage, 6 ... Roll film 8 ... Driving roller, 9 ... Pressing roller 12 ... Feeding drive motor 21 ... Horizontal heating member 22, 22 Vertical heating member 33 ... Heating member driving motor 38 … First link member 39… Second link member 51… Correcting member, T3… Timer

Claims (2)

[Scope of utility model registration request] 1. A supply port for an article to be packaged, a wrapping passage communicating with the supply port and provided in a hanging direction, a pair of roll-shaped films located on both outer sides of the supply port, a drive roller, and the like. A pair of roll-shaped films for feeding the film to the inside of the wrapping passage in synchronism with each other, and a pair of film-feeding means arranged to face each other through the wrapping passage. A horizontal heating member and a pair of vertical heating members, a heating member driving unit that is connected to both heating members to bring the two heating members on one side and the corresponding two heating members on the other side closer to each other, and the packaging passage. A pair of elastically deformable straightening members, which are located opposite to each other and are located in the areas defined by the two heating members on each side, and which perform the approaching and separating operations integrally with the heating members, are provided. When the heating members are separated from each other, the pair of films are fed into the packaging passage to receive the packaged object between the films, and when the heating members are close to each other, the posture of the packaged object is corrected by the correction member. so,
A pair of films fed into the wrapping passage at the upper end of the wrapping passage by the lateral heating member are fused and cut along the width direction thereof, and both the cut end portions are kept fused even after the cutting, A packaging device, wherein one end portion along a longitudinal direction of a pair of films fed into the packaging passage is fused below the lateral heating member by the longitudinal heating member. 2. The packaging apparatus according to claim 1, wherein the amount of the film fed by the film feeding means is controlled by a timer.