JPH0777886B2 - Weighing and packaging pricing device - Google Patents

Description

Description: FIELD OF THE INVENTION The present invention relates to a weighing and packaging pricing device for weighing, packaging, and pricing various items to be packaged such as fresh foods.

(Prior Art) In recent years, in supermarkets, for example, a large number of so-called pre-packaged products in which various types of packaged items such as perishables stored in a tray made of styrofoam are stretch-wrapped together with the tray are sold. 2. Description of the Related Art As a device for manufacturing various types of pre-packaged products, there is known a weighing and packaging pricing device that consistently measures, packages, and prices items to be packaged. This weighing and packaging pricing device generally comprises a weighing means for weighing the weight of the articles to be packaged stored in the tray,
Lifter means that pushes the weighed item to the packaging station, packaging means that puts the item that is pushed up to the packaging station together with the tray in a film, and heats the film folded on the bottom side of the tray by this packaging means. A sealing means for sealing is arranged along the conveyance route of the packaged item, and a label is printed that prints the price of the packaged item based on the weight of the packaged item measured by the weighing means. A label-issuing means, etc., and the article to be packaged weighed by the weighing means is pushed up from below the film tension-held in the packaging station via the lifter means, and at the same time, the packaging means is arranged in the packaging station. After packaging the product to be packaged with the tray using a film, it was folded into the bottom side of the tray by the packaging means. While heat sealing the Irumu, then, by the operator, to affix the issued label from the label issuing means to the surface of the packaged the packaged goods,
It is possible to consistently measure, package, and price the items to be packaged.

Then, in this type of weighing and packaging pricing device, in order to efficiently perform a series of operations such as weighing, packaging, and sealing with respect to the items to be packaged, each means for performing these operations is Therefore, the sealing means is usually arranged above the above-mentioned weighing means which is the introduction start end of the article to be packaged.

On the other hand, the weighing and packaging pricing device as described above,
It is possible to selectively switch the operation mode of the pricing mode, the packaging mode, the weighing mode, and the pricing mode. For example, when switching to the packaging mode, only the packaging for the packaged item is performed. The finished product will be manufactured after completing the packaging, and if the weighing and pricing modes are switched to, the weighing of the finished product previously manufactured in the packaging mode as described above, Pricing is done.

(Problems to be Solved by the Invention) By the way, in the case of weighing and pricing a finished product which is manufactured in advance using the above-mentioned weighing and packaging pricing device, the finished product is placed on the weighing means. While placing it and weighing its weight, the label issued by the label issuing means based on the output signal from the weighing means is attached to the surface of the finished product placed on the weighing means. In this type of weighing and packaging pricing device, as described above, it is usual that the sealing means is arranged above the weighing means, and therefore the label issued by the label issuing means is When sticking on the surface of the finished goods placed on the weighing means, the sealing means arranged above the weighing means interferes with the label sticking work, making the workability worse. Supposed to let It was

In addition, as described above, when weighing and pricing the finished goods, it is necessary to switch the operation mode of the weighing and packaging pricing device to the weighing and pricing mode each time, which is troublesome.

Therefore, the present invention, in the case of performing weighing, pricing for a finished product by a weighing and packaging pricing device capable of consistently performing weighing, packaging, and pricing for packaged items, so that this can be performed smoothly, The purpose is to improve the workability.

(Means for Solving the Problems) In order to solve the above problems, the present invention is configured as follows.

First, the invention according to the first claim of the present application (hereinafter, referred to as the first invention) is a weighing means for weighing the weight of a packaged item along a transportation route of the packaged item, and the packaged item by a film. Wrapping means for wrapping and sealing means for heat-sealing the film folded by the wrapping means on the bottom surface side of the article to be packaged are arranged, and the wrapped article is packaged based on the output signal from the measuring means. In a weighing and packaging price apparatus having a label issuing means for issuing a label to be attached to a packaged article, the sealing means is arranged above the weighing means, and the sealing means can be retracted from above the weighing means. Characterize.

The invention according to the second claim of the present application (hereinafter referred to as the second invention) includes a weighing means for weighing the weight of the packaged item along the transportation path of the packaged item, and the packaged item by a film. Wrapping means for wrapping and sealing means for heat-sealing the film folded by the wrapping means on the bottom surface side of the article to be packaged are arranged, and the wrapped article is packaged based on the output signal from the measuring means. Having a label issuing means for issuing a label to be attached to a package, and operating the weighing means, the packaging means, the sealing means and the label issuing means, the weighing, packaging and pricing modes and the packaging means and the sealing means. In a weighing and packaging price apparatus capable of switching between a packaging mode and a weighing and pricing mode for operating the weighing means and label issuing means, the sealing means is arranged above the weighing means. In addition, the sealing means can be retracted from above the measuring means, and the detecting means for detecting the retracted state of the sealing means from above the measuring means and the weighing and pricing mode are switched based on a signal from the detecting means. A mode switching means is provided.

(Operation) According to the first aspect of the present invention, the sealing means arranged above the weighing means can be retracted from above the weighing means, so that the weighing and pricing of the finished product which has been packaged only are completed. When performing the work, the sealing means is retracted from above the weighing means so that when the label issued by the label issuing means is attached to the finished product placed on the weighing means, the sealing means is used. Does not hinder the attachment work, which makes it possible to perform the attaching work extremely smoothly, thereby further improving the workability.

Further, according to the second aspect of the invention, when the sealing means is retracted from above the weighing means in order to perform the weighing and pricing operations for the finished goods that have been packaged only as described above, Based on the signal from the detection means for detecting the retracted state, the mode switching means automatically switches to the weighing and pricing mode. It is not necessary to switch to the weighing and pricing modes, which can further improve the workability when weighing and pricing the finished goods.

(Example) Hereinafter, the Example of this invention is described based on drawing.

As shown in FIGS. 1 and 2, the weighing and packaging and pricing device 1 has a weighing mechanism 2 provided at the center of the front surface of the main body 1a and a predetermined width dimension which is also provided at the side portion of the main body 1a. Roll with multiple stretch films 3 wrapped around it
The roll supporting mechanism 4 rotatably supporting the 3a and the widthwise both sides of the film 3 fed out from the roll supporting mechanism 4 are sandwiched between the roll supporting mechanism 4 and the main body 1a located above the measuring mechanism 2. And a film transport mechanism 6 (see FIG. 2) for transporting to the packaging station 5, and a folding mechanism 7 (see FIG. 2) for packaging an item to be packaged such as fresh food by the film 3 transported to the packaging station 5. And a sealing mechanism 8 disposed in the upper part of the weighing mechanism 2 in front of the packaging station 5 and heat-sealing the film 3 folded on the bottom side of the article to be packaged by the folding mechanism 7. Also, on the upper surface of the main body 1a,
A display unit 9a and an operation unit 9b are provided, and each of the above mechanisms 2, 6, 7, 8 is provided.
And the output signal from the control device 9, which controls the operation of the control device 9 and calculates the price of the product to be packaged based on the signal indicating the weight of the product to be packaged measured by the weighing mechanism 2. A label printer 10 for printing the weight and price of a packaged item on a label and issuing the label is provided on the front side of the label printer 10.
a is provided. By operating the operation unit 9b of the control device 9, the weighing mechanism, the folding mechanism 7, the sealing mechanism 8 and the weighing / packaging / price mode for operating the label printer 10, and the folding mechanism 7 and the sealing mode. It is possible to switch between a packaging mode in which the mechanism 8 is operated and an operation mode in which one of the weighing mechanism 2 and the label printer 10 is operated, that is, a weighing mode.

Here, the roll support mechanism 4 for rotatably supporting the film roll 3a will be described. The roll support mechanism 4 has a roll bar whose one end is rotatably supported at a predetermined position of the main body 1a via a mounting bracket 11. 12, a fixed holder 13 that is fixed to the other end of the roll bar 12 and has a diameter that allows the film roll 3a to be inserted therethrough, and supports one end of the film roll 3a, and the roll bar 12 Is a large-diameter flange portion that is movable according to the width dimension of the film roll 3a between the position shown by the solid line and the position shown by the chain line in FIG. 2 to support the other end of the film roll 3a. A movable holder 14 in which 14a is integrally formed, and a coil spring 15 which is mounted between the movable holder 14 and the fixed holder 13 and biases the movable holder 14 toward the fixed holder 13 side are provided. You It Further, the fixed holder 13 is provided with a stopper member 16 which is biased by a leaf spring (not shown) or the like and a part of which protrudes from the outer peripheral surface of the fixed holder 13. When the film roll 3a is inserted, it is pressed by the inner peripheral surface of the film roll 3a so as to move and retract inside the fixed holder 13, and after the film roll 3a is inserted, part of the stopper member 16 is the outer periphery of the fixed holder 13. It projects from the surface and locks one end of the film roll 3a. Therefore, as shown in FIG. 2, when the film roll 3a is inserted from the fixed holder 13 side, the movable holder 14 moves along the roll bar 12 according to the width of the film roll 3a, and Fixed holder 13
One end of the film roll 3a is locked by the stopper member 16 provided in the above, whereby the both ends of the film roll 3a are clamped between the fixed holder 13 and the movable holder 14. The film roll 3a can be held in the mounted state.

As shown in FIG. 1, one side portion of the main body 1a has a feed for feeding out a predetermined amount of film 3 from the film roll 3a supported by the roll support mechanism 4 according to the size of the product to be packaged. A feeding mechanism 19 having rollers 17, 18 and the like is provided, and a cutter for cutting the film 3 fed by a predetermined amount is provided in the vicinity of the feeding mechanism 19 although not shown.

Next, the structure of the film transport device 6 will be described. The transport mechanism 6 is, as shown in FIGS. 2 and 3, one end portion of the film roll 3a rotatably supported by the roll support mechanism 4. A fixed-side transport unit that is disposed above (the left end in FIG. 2) and holds one side of the film 3 fed from the film roll 3a and transports the film 3 toward the packaging station 5. 20 and the film roll 3a disposed above the other end (the right end in FIG. 2) of the film roll 3a.
It has a movable side transport unit 21 for sandwiching the other side portion of the film 3 which is further drawn out and transporting it toward the packaging station 5. Then, as shown in FIG. 3 in an enlarged manner, the fixed-side transport unit 20 is provided with the transport belts 22 and 23, which are a pair of upper and lower timing belts, stretched along the transport direction of the film 3. Similarly, in the movable side transport unit 21 as well, transport belts 24 and 25, which are a pair of upper and lower timing belts, are stretched along the transport direction of the film 3, and a pair of upper and lower transport belts 22 are provided. , 23, 24, 25 sandwich the both sides of the film 3 in the width direction and convey the film 3 toward the packaging station 5.

Further, as shown in FIGS. 2 and 3, a pair of slide members 26, 26 are provided on the lower surface of the frame 18a of the movable side transport unit 21 at a predetermined interval in the transport direction of the film 3.
(Only one side is shown in FIG. 3) are fixedly mounted, and each of the slide members 26, 26 is rotatably supported by the main body 1a. Sprocket 28 fixed to one end of each screw shaft 27 and a sprocket 30 rotationally driven by a drive motor 29 (see FIG. 2) are connected by a chain mechanism 31. Has been done.
Then, by rotating the screw shafts 27 in predetermined directions via the chain mechanism 31 by the drive motor 29, the pair of slide members 26 slide along the screw shafts 27, respectively. Transport unit 21
Is moved in the axial direction of each screw shaft 27, and the movable side transfer unit 21 and the fixed side transfer unit are moved.
The space between the film roll 3 and 20 can be adjusted appropriately according to the width dimension of the film roll 3a used. The fixed-side transfer unit 20 is fixed to the main body 1a side while being supported by the ends of the screw shafts 27, 27.

It should be noted that, as shown in FIGS.
The engaging member 32 that engages with the flange portion 14a of the movable holder 14 constituting the above is fixedly provided, and one side portion of the guide rail 33 that is movable together with the movable holder 14 is provided with a mounting bracket 34. A sensor 35 is provided. On the other hand, a piece to be detected 37 is fixed at a predetermined position of the frame 21a of the movable side transport unit 21 which constitutes the transport mechanism 6 through a mounting bracket 36, and the movable piece is used when the film roll 3a is replaced. When the film roll 3a supported by the roll support mechanism 4 is replaced by detecting the position of the detected piece 37 by the sensor 35 that moves through the guide rail 33 together with the movable holder 14 when the holder 14 moves. In addition, the movable side transport unit 21 is moved along the pair of screw shafts 27, 27 according to the width dimension of the film roll 3a so that the distance between the movable side transport unit 21 and the fixed side transport unit 20 becomes a film. It can be automatically adjusted to have a width of 3.

Then, as shown in FIG. 3, the film transport mechanism 6 is used.
Fixed-side transfer unit 20 and movable-side transfer unit
Film 3 transported to packaging station 5 by 21
A lifter mechanism 50, which receives a packaged product (b) such as fresh food stored in a tray (a) from the weighing-in mechanism 2 and pushes it up to the packaging station 5, is provided below the table. A folding mechanism 7 for folding the peripheral portion of the film 3 to the bottom side of the tray (a) and packaging the article to be packaged (b) together with the tray (a) is provided immediately above the film 3. . The weighing-in / carrying-out mechanism 2 includes a weighing instrument 38 for weighing the weight of the article (b) stored in the tray (a), and a pair supported by a bracket 39 attached to the upper surface of the weighing instrument 38. A plurality of carrying-in belts 41 ... 41 stretched between the rollers 40, 40 of each of the carrying-up belts 41. The projections for pressing the end portions of the tray (a) to the carrying-in belts 41 and carrying them to the lifter mechanism 50 side. 41a are fixed respectively, and the weight of the packaged item (b) is measured by placing the packaged item (b) stored in the tray (a) on each of the carry-in belts 41. At the same time, the tray (a) is pressed by the protrusion 41a of the carry-in belt 41 and the lifter mechanism 50
It is designed to be transported to the side. Further, the lifter mechanism 50 includes a plurality of brackets 52 fixedly mounted on the base 51.
... 52 support bars 53 that are rotatably supported by each of the support bars 53, and support members that are rotatably supported by the upper ends of the support bars 53 and that support the bottom surface of the tray (a). As shown in FIG. 1, the base 51 is arranged below the side of the main body 1a and is moved up and down by a cam member 55 rotated by a driving means (not shown). The tray (a), which is lifted and lowered by a predetermined stroke via 56 and the like and is supported on the upper portion of each support member 54, is pushed up from below the film 3 as shown by the chain line. While the film 3 is in close contact with the upper surface of the article to be packaged (b), both side portions in the width direction of the film 3 have respective transport belts 22, 23, 24, 25 in the fixed side transport unit 20 and movable side transport unit 212. Holds the film 3 in tension by being clamped between It has become as to be.

As shown in FIG. 3, the supporting bar 53 of the lifter mechanism 50 is properly turned over according to the size of the tray (a), so that the supporting bar 53 when the base 51 is raised.
It is designed to prevent the interference between 53 and other components.

The film 3 stretched as described above allows the article to be packaged (b) to be packaged together with the tray (a) by the folding mechanism 7.
As shown in FIGS. 3 and 4, each of the timing belts 59 and 60 stretched between a pair of timing pulleys 57a, 57b and 58a, 58b supported on the rear portion of the main body 1a and the timing belts 59 and 60, respectively. Support bracket 6 below the timing belt 59, 60
A pair of left and right folding plates 63, 64 supported via 1, 62
And a timing belt 66 stretched between a pair of timing pulleys 65a, 65b supported at predetermined positions of the main body 1a in a direction orthogonal to the transport direction of the film 3 (width direction of the film 3), and the belt 66. The folding plate 68 supported by the support bracket 67 below the timing pulley
A timing belt 70 stretched between a pair of timing pulleys 69a and 69b arranged so as to face the 65a and 65b, respectively, and a support bracket below the timing belt 70.
And a discharge pusher 72 supported via 71. Then, the timing pulleys 57b and 58a are interlocked by a pair of gear members 73a, 73b, and the timing pulley 57a is driven by the drive motor 74,
The timing belts 59, 60 are moved in opposite directions, so that the pair of left and right folding plates 63, 64 are
As indicated by an arrow A in the figure, they are moved in directions in which they are in contact with each other. In addition, each of the above timing pulleys
Timing pulleys 65c and 69c supported coaxially with 65b and 69b
Are driven by the drive motors 77 and 78 via the timing belts 75 and 76, respectively.
8 and the discharge pusher 72 are adapted to be moved in the width direction of the film 3, as indicated by arrow B in FIG. Then, by the folding plates 63, 64, 68, as shown by the chain line in FIG. 3, the peripheral portion of the stretched film 3 of the tray (a) in which the articles to be packaged (b) are stored is A sealing mechanism in which the product (b) wrapped with the film 3 is pushed forward toward the front by a discharge pusher 72 while the product (b) is folded to the bottom side and the product (b) is disposed in front of the packaging station 5. It is designed to be pushed out toward 8. Then, the film 3 folded on the bottom surface side of the tray (a) extruded on the sealing mechanism 8
Is heat-sealed.

As shown in FIGS. 1 and 3, a pair of upper and lower parts of the packaging station 5 for contacting the upper surface of the article to be packaged (b) to prevent the article to be packaged (b) from floating. The pressing members 79, 79 are rotatably supported.

In the present embodiment, as shown in FIG. 3, a heater 80 for heat-sealing the film 3 folded on the bottom side of the tray (a) by the folding mechanism 7 is provided in the main body 8a of the sealing mechanism 8. In addition to being built in, a plurality of roller members 81 ... 81 are rotatably disposed on the upper portion of the main body 8a, and the main body 8a has a pair of both side portions as shown in FIGS. It is supported on the main body 1a of the weighing and packaging device 1 by the support shafts 82 and 82, and is rotated about the support shafts 82 and 82 as shown by the solid line and the broken line as shown in FIG. It is movably supported so as to be retracted from above the weighing-in mechanism 2. Further, as shown in FIG. 3, when the main body 8a of the seal mechanism 8 is retracted from above the measuring mechanism 2 at a predetermined position of the main body 1a, the retracted state is detected. A retracted state detection sensor 83 such as a limit switch is provided.

Then, the signal from the retracted state detection sensor 83 is input to the control device 9 of the weighing and packaging pricing device 1, so that the operation mode of the weighing and packaging pricing device 1 is switched based on this. ing. That is, as shown in FIG. 5, a signal from the weighing mechanism 2 and a signal from the retracted state detection sensor 83 are input to the control device 9, and based on this, the control device 9 receives the signal. A folding mechanism 7 for packaging the article to be packaged and a sealing mechanism 8 for heat-sealing the film 3 folded on the bottom side of the article to be packaged.
And a signal for controlling their operation to the label printer 10, and by operating the operation unit 9b of the control device 9, the operation mode of the device 1 is measured, packaged, Pricing mode, packaging mode,
It is possible to switch between the weighing mode and the pricing mode, and when a signal indicating the retracted state of the seal mechanism 8 from the retracted state detection sensor 83 is input to the control device 9, the weighing mode is automatically measured. The mode is switched to the pricing mode, the signal from the measuring mechanism 2 is input to the control device 9,
Based on this, the price etc. of the packaged item is calculated,
Based on a signal from the control device 9, the label printer 10 issues a label on which the price of the packaged item is printed.

As the retracted state detection sensor 83, for example, an optical sensor or the like may be used instead of the limit switch.

Next, the operation of the present embodiment will be described.
Since it is rotatably supported by 82, 82, the main body 8a of the seal mechanism 8 is supported by the support shaft 8 when carrying out weighing and pricing operations for a finished product which has been packaged only in advance.
The label issued from the label printer 10 (see FIGS. 1 and 2) is rotated by rotating about 2,82 and retracted from above the weighing mechanism 2 as shown by the chain line in FIG. When sticking to a finished product placed on the weighing mechanism 2, the sealing mechanism 8 does not interfere, so that
The pasting work can be performed smoothly, and the workability can be further improved.

Further, according to the present embodiment, when the sealing mechanism 8 is retracted from above the weighing mechanism 2 in order to perform the weighing and pricing work for the finished goods which have been packaged only as described above, the sealing mechanism 8 is sealed. Based on a signal from the retracted state detection sensor 83 that detects the retracted state of the mechanism 8, the control device 9 automatically switches to the weighing and pricing mode, thereby weighing and pricing the finished goods. In this case, it is not necessary to operate the operation unit 9b of the control device 9 each time to switch to the weighing and pricing mode, which further improves workability when weighing and pricing the finished goods. be able to.

In this embodiment, the seal mechanism 8 is configured to be retracted from above the measuring mechanism 2 by rotating the seal mechanism 8 about the pair of support shafts 82, 82.
For example, by sliding the entire sealing mechanism 8 toward the inside of the main body 1a of the packaging device 1 to retract it from above the weighing mechanism 2, or by making the sealing mechanism 8 detachable from the main body 1a. It is also possible to retreat from above the measuring mechanism 2.

(Effects of the Invention) As described above, according to the first aspect of the present invention, the sealing means disposed above the weighing means is retractable from above the weighing means, so that only the packaging is completed. When weighing and pricing over-the-counter items, the seal means is retracted from above the weighing means, and the label issued by the label issuing means is attached to the finished goods placed on the above-mentioned weighing means. In this case, the sealing means does not get in the way, so that the sticking work can be carried out extremely smoothly, and the workability can be further improved.

Further, according to the second aspect of the invention, when the sealing means is retracted from above the weighing means in order to perform the weighing and pricing operations for the finished goods that have been packaged only as described above, Based on the signal from the detection means for detecting the retracted state, the mode switching means automatically switches to the weighing and pricing mode. It is not necessary to switch to the weighing and pricing modes, which can further improve the workability when weighing and pricing the finished goods.

[Brief description of drawings]

The drawings show an embodiment common to the first invention and the second invention. FIG. 1 is a front view of a weighing and packaging pricing device according to this embodiment, and FIG. 2 is a sectional view taken along line II-II in FIG. Fig. 3 is an enlarged cross-sectional view of the main part taken along the III-III cutting line in Fig. 1, and Fig. 4 is a cross-sectional view showing the configuration of the folding mechanism taken along the IV-IV cutting line in Fig. 3. FIG. 5 is a block diagram showing a control system for switching the operation mode of the weighing and packaging pricing device according to the present embodiment. 1 ... weighing / packaging device, 2 ... weighing means (weighing mechanism), 3 ... film, 7 ... packaging means (folding mechanism), 8 ... sealing means (sealing mechanism), 9 ... mode switching means (Control device), 10 ... Label issuing means (label printer), 83 ... Detection means (evacuation state detection sensor).

Claims (2)

[Claims] 1. A weighing means for measuring the weight of an article to be packaged along a transportation route of the article to be packaged, a packaging means for packaging the article to be packaged with a film, and a bottom side of the article to be packaged by the packaging means. A weighing and packaging value having a label issuing means which is provided with a sealing means for heat-sealing the folded film, and which issues a label to be attached to the packaged article based on the output signal from the weighing means. A weighing and packaging pricing device, wherein the sealing means is disposed above the weighing means, and the sealing means is retractable from above the weighing means. 2. A weighing means for measuring the weight of an article to be packaged along a transportation route of the article to be packaged, a packaging means for packaging the article to be packaged with a film, and a bottom side of the article to be packaged by the packaging means. Sealing means for heat-sealing the folded film is provided, and has label issuing means for issuing a label to be attached to the packaged article based on the output signal from the measuring means, and Weighing, wrapping, sealing and label issuing means for activating weighing, wrapping and pricing modes, and wrapping and sealing means operating wrapping modes, and weighing and label issuing means operating metric and values A weighing and packaging pricing device capable of switching to a weighting mode, wherein the sealing means is disposed above the weighing means, and the sealing means can be retracted from above the weighing means. Together are a detecting means for detecting a retracted state than metering means above the sealing means,
A weighing and packaging price-applying device, comprising: mode switching means for switching between weighing and pricing modes based on a signal from the detecting means.