JP2610410B2 - Automatic packaging weighing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic weighing and weighing machine in which an automatic wrapping machine for wrapping goods and an automatic weighing and weighing machine for weighing and wrapping the wrapped goods are combined.

[0002]

2. Description of the Related Art In recent years, with the development of the distribution industry, the demand for a system for packing and weighing articles to measure and price them has been increased, and an automatic packaging and weighing system in which an automatic packaging machine and an automatic weighing and pricing machine are integrated. There is a pricing machine. However, since the packaged items need to be weighed and priced in terms of function, they are only structurally connected in terms of arrangement, and do not hinder the flow of items on the conveyor. If there is no, it is good. That is, the automatic wrapping machine and the automatic weighing and weighing machine only operate separately.

[0003] Therefore, setting in an automatic packaging machine, for example, the cut length of a packaging film (in general, a packaging machine cuts a roll-shaped packaging film into a predetermined length and sends it over the product, and raises the product with respect to the film. In this case, it is necessary to set the film cut length according to the product because the edge of the film is bent below the product.) The operation mode of the packaging machine is controlled by a switch on the operation panel of the automatic packaging machine. For example, unit settings, dates, operation modes, and the like are performed by operating switches on an operation panel of the automatic weighing and value adding machine.

[0004]

In an automatic weighing and weighing machine in which a conventional automatic wrapping machine and an automatic weighing and weighing machine are integrated, it is necessary for an operator to set a film cut length suitable for an article. This is inconvenient because the values must be stored, the part number of the automatic weighing and value adding machine must be set, and then the film cutting length must be set by the automatic packaging machine.

[0005]

According to the first aspect of the present invention,
An automatic wrapping machine for wrapping the conveyed product with a wrapping film, a weighing unit for outputting the weight of the product, and product data called from the PLU data stored for each PLU, and the price of the product based on the output of the weighing unit. An automatic weighing and weighing machine integrated with a label publishing unit that calculates and issues this label and an automatic weighing and valuation machine that has a label attaching unit that attaches the label issued by this label issuing unit to products In setting the PLU data of the automatic weighing and
A film cut length input means for setting the cut length of the packaging film of the automatic packaging machine in the PLU data for each U number, and automatically outputting the film cut length for each PLU number when operating the PLU. A cut length output means is provided, and the film cut length can be automatically
There is provided a selecting means for selecting whether to set by LU or by automatic packaging machine.

The invention according to claim 2 is characterized in that the selection means for selecting whether to set the film cut length by the PLU of the automatic weighing and value setting machine or the automatic packaging machine is a changeover switch. It is.

According to a third aspect of the present invention, the selection means for selecting whether to set the film cut length by the PLU of the automatic weighing and value weighing machine or by the automatic packaging machine is based on the operation mode setting of the automatic weighing and weighing machine. It is characterized by being selected.

[0008]

An embodiment of the present invention will be described with reference to the drawings. First, FIG. 1 schematically shows the external appearance of an automatic packaging weighing and value adding machine.
And the automatic weighing and value adding machine 2. This allows
First, the articles set on the packaging conveyor 3 by the automatic packaging machine 1 are conveyed in the packaging machine, and a packaging film cut to a predetermined length on the way is sent out onto the articles. Ascends and the packaging pack is made. Then, according to the packaging conveyor 3, the automatic weighing and value adding machine 2
(More specifically, transported by the conveyor 3a or the heat conveyor 3b). First, a weighing conveyor 4 is arranged in front of the packaging conveyor 3, and the articles transferred onto the weighing conveyor 4 are measured. When the weighing is completed, the articles are pushed to the side by the weighing arm 5 and transferred onto the transport conveyor 6. This conveyor 6
Is for sending an article along a transport guide 7 onto a sticking conveyor 8 which is a part of a label sticking section. Sticking conveyor 8
A label issued by a label printer 9 serving as a label issuing unit is attached to the article sent by the operation of the attaching arm 10. Then, the article is sent out by the discharge arm 11 and is discharged to the near side by the discharge rollers 12 and 13. In FIG. 2, a thick arrow indicates a conveying direction of the conveyor, and a thin arrow indicates a flow of goods.

Reference numeral 14 denotes an operation unit of the automatic wrapping machine 1, and reference numeral 15 denotes an operation unit of the automatic weighing and value adding machine 2. The configuration of the operation unit 15 is shown in FIG. That is, the display section 16 of the weight, unit price, price, and product number, ten keys 17 of 0 to 1,
In addition to the erase key 18, the execution key 19, and various keys 20 such as a product number, key switches 21 and 22, an operation switch 23 for operation / stop, a business changeover switch 24 for switching between a mode with a weighing value / a mode with a weighing value / a packaging mode. , Power switch 2
5 are provided. Further, a changeover switch 27 for selecting whether various keys such as a sheet key 26 or the like and a film cut length are set by PLU setting described later (automatically) or by the automatic packaging machine 1 is provided. Reference numeral 28 denotes an LED for displaying an error or the like. Although not shown, the operation unit 14 is provided with a dial or the like as a film cut length input unit for setting a film cut length.

[0010] These systems are controlled by a system controller 30 as shown in FIG.
The system controller 30, the automatic wrapping machine 1, and the automatic weighing machine 2 have ROMs 31, 32, 33 and RAMs 34, 3, respectively.
CPUs 37, 38 and 39 to which the CPUs 5 and 36 are connected,
I / O ports 40, 41, 42, photocouplers 43, 4
4 are connected. The I / O port 40 includes an AC motor control circuit 4 for an AC motor for the weighing conveyor 4, the transport conveyor 6, the attaching conveyor 8, the discharge arm 11, and the like.
5. The pulse motor control circuit 46 of the pulse motor for the attaching arm 10 and the switches 47 are connected. Further, a motor control circuit 48 is connected to the I / O port 41. On the other hand, in the automatic weighing and value adding machine 2, the weighing output from the load cell 49 is input to the I / O port 42 via the analog / digital converter 50, and the CPU 39 has the printer controller 51 for the label printer 9, A display / key controller 54 for the display tube 52 and the key 53 is connected.

In such a configuration, first, a main flow on the system controller 30 side is shown in FIG. After the initial set, memory, and I / O initial reset, it is determined whether the operation switch 23 is ON. If OFF, the "weighing completion" signal is reset. If ON, the discharging operation is performed. This discharge operation is an initial discharge operation when the power switch is switched from ON and stop to operation, and is processed according to the flowchart of FIG.

First, when the discharge flag = 1, the discharge arm 1
If 1 is not at the home position, the discharge arm 11 is reversely driven and returned to the home position. If it is in the home position, it is stopped. A photo sensor (PS) for detecting an article is provided at the entrance of the adhering conveyor 8, but unless the photo sensor is turned on, the transport conveyor 6 and the adhering conveyor 8 are rotated forward and the adhering conveyor 8 for the article is provided. Allows upward transfer. On the other hand, when the article is transferred onto the sticking conveyor 8 and the entrance photo sensor is turned on, the transport conveyor 6 and the sticking conveyor 8 are stopped to perform label sticking, and the discharge arm 11 is driven forward to discharge the article. Then, timer 1 processing is performed. Here, the timer 1 process refers to a process of the time required for the discharge arm 11 to complete the discharge of the article from the home position. Timer 1
After the processing, the discharge arm 11 stops, returns to the home position by reverse driving, and stops when returning. Next, the conveyor 6 and the sticking conveyor 8 are rotated forward. If the entrance sensor of the sticking conveyor 8 is OFF, the normal rotation of the conveyors 6 and 8 continues and stops until 500 ms elapses. On the other hand, if an article is present and the photosensor at the entrance of the sticking conveyor is ON, the article disappears, and 500 ms.
Wait until the time elapses, and both conveyors 6, 8 stop. Then, the discharging operation of the discharging arm 11 is performed simultaneously with the above. In any case, if the discharge of the articles on the weighing conveyor 4 has been completed at this time, the process ends. On the other hand, if the discharge of the articles from the weighing conveyor 4 has not been completed, the discharge flag is set to 0. If the weighing arm 5 is not at the home position, it is returned to the home position by reverse driving,
If it is in the home position, stop. here,
The weighing conveyor 4 rotates forward for 100 ms, and the width of the article is adjusted. Thereafter, the conveyor 6 rotates forward and the weighing arm 5 is driven forward to transfer and discharge the articles from the weighing conveyor 4 to the conveyor 6. Here, the processing of the timer 2 refers to the processing of the time required from the home position of the weighing arm 5 to the completion of the discharge of the articles. Then, when the weighing arm 5 returns to the home position, the weighing arm 5 stops, the discharge on the weighing conveyor 4 is completed, and the transport conveyor 6 and the sticking conveyor 8 rotate forward.

The reason why such an initial discharge operation is performed is as follows. That is, meat pieces due to pack leakage, film fragments due to pack mistakes, and the like tend to remain on the conveyor, and if this is on the weighing conveyor 4, an erroneous measurement of the article occurs. This impedes smooth transport. Therefore, in the present embodiment, as described above, immediately after the power switch 25 is turned on or when the machine is switched from the stopped state to the operating state, the discharging operation is always performed to clean the conveyor.

After the end of the discharging operation, a mode check is performed. Here, the mode includes three modes of a package weighing mode, a weighing mode, and a packaging mode. Now, if the mode is the package weighing mode, it is checked whether the cut length of the film is set. That is, it is checked whether the PLU set signal is at the H level and the changeover switch 27 is set to the automatic side. On the automatic side, the film cut length has already been set when setting the PLU, and the film cut length is output to the automatic packaging machine 1 by the film cut length output means. Then, the operation mode “4” is output to the automatic packaging machine 1 by the selection means. Here, it is assumed that the operation mode to be sent to the automatic packaging machine 1 is set as shown in the table below.
On the other hand, if the PLU set signal is not at the H level or the changeover switch 27 is not on the "automatic" side, the changeover switch 2
At 7, the packaging machine side LED is turned on, and the operation mode "3" is output to the automatic packaging machine 1 side by the selection means. Further, in the weighing mode, the operation mode “2” is output to the automatic packaging machine 1 because the automatic packaging machine 1 is not involved. In the case of the packaging mode, the changeover switch 27 turns on the packaging machine side LED, and outputs the operation mode “3” to the automatic packaging machine 1 side.

It is determined whether the HP ready is at the H level. That is, it is determined whether the automatic weighing and value adding machine 2 is operable, for example, whether the load cell weigher is ready to receive the article, and if the HP ready is not at the H level, the operation is disabled and the "weighing complete" signal is reset. However, the operation of the automatic packaging machine 1 is also disabled, and each mode process is not performed.

[0016]

[Table 1]

On the other hand, if the HP ready is at the H level,
After setting the "weighing complete" signal, each mode process is performed. That is, it is determined whether or not the automatic weighing and weighing machine 2 is operable based on the HP ready signal, and the result is sent to the automatic wrapping machine 1 side. Is controlled. This is because if the automatic wrapping machine 1 is operated when the automatic weighing and value adding machine 2 is inoperable, the articles are accumulated on the transport path, causing a trouble. Thus, according to the embodiment, the operation of the automatic wrapping machine 1 is controlled by the automatic weighing and weighing machine 2 side, and the automatic wrapping machine 1 can operate only when the automatic weighing and weighing machine 2 is operable. However, the above-described trouble does not occur.

Here, each mode process is performed according to the flowchart of FIG. That is, an article is conveyed from the automatic packaging machine 1 and weighed (label issuance) is sent out onto the conveyer 6 by the weighing arm 5 → conveyed to the attaching conveyor 8 by the conveyer 6 → label is attached by the attaching arm 10 on the attaching conveyor 8. In a series of cycles of sticking → discharging by the discharge arm 11, the transport path is determined by sticking accuracy (position) and the like, and is sent along the guide 7 provided on the path. In this regard, according to the conventional method, the transport conveyor is arranged so that the article advances obliquely toward the guide direction from a line parallel to the guide, but it is not possible to increase the oblique angle. There is a limit when considering the smooth flow of goods, and goods cannot be brought to a sufficient position. As another method, there is a method in which articles are conveyed as close as possible to a guide by the measuring conveyor when the articles are conveyed on the weighing conveyor while the conveying conveyor is arranged obliquely and weighed. But,
According to this method, the position of the article is considerably deviated from the center position of the weighing conveyor, and accurate weighing cannot be performed due to variations in the accuracy of the weighing scale and difficulty in stabilizing the article. However, in this embodiment, in any mode, when an article is conveyed from the automatic packaging machine 1, the article is stopped at the center position of the weighing conveyor 4 (solid line position in FIG. 2) and weighing is performed. Weighing conveyor 4
After operating for 00 ms, the guide
Side, and then the guide 7
Are discharged onto the conveyor 6 along the line. In FIG. 7, 500 ms indicates a dummy loop. In the weighing mode and the weighing mode, the process of ending label issuance and attaching is performed in parallel by an interrupt process.

On the other hand, FIG. 8 shows a main flow in the automatic weighing and value adding machine 2. Initial set, memory, I
After / O initial reset and display scanning
It is determined whether or not the error flag is 1, and if an error occurs, error processing is performed. Thereafter, reading of data of the load cell scale and reading of the mode changeover switch are performed, and key processing is performed. FIG. 9 is a flowchart showing the key processing, mainly focusing on the setting of the cut length of the film. In the case of the ten key 17, since the cut flag is 1, the input data is displayed and sent to the temporary storage memory. If the sheet key 26 is pressed and the cut flag is not 1, the PLU
After the previous settings are transferred from the memory to the temporary storage memory, the settings are displayed and the cut flag is set to 1. On the other hand, if the cut flag is 1, it is determined whether the cut length in the temporary storage memory is the specified data. Here, the cut length is 25, 30, 35, 40, 45, 5
Any of 0, 55, and 60 cm is the specified data, and the other values are errors, and the error flag is 1
Then, the above-described error processing is performed. If the data is the specified data and the mode is the weighing mode, the contents of the temporary storage memory are transmitted to the system controller 30, the weighing mode is displayed, and the setting of the cut length is completed. On the other hand, in the setting mode, the contents of the temporary storage memory are sent to the PLU memory, the setting mode is displayed, and the setting of the film cut length is completed. After such key processing, control for a normal balance or printer is performed according to FIG.

FIG. 10 shows a main flow in the automatic packaging machine 1. The automatic wrapping machine 1 is in a standby state until a limit switch for detecting an article at the entrance thereof is turned on and the weighing completion signal becomes H level, and thereafter is controlled by an operation mode given from the system controller 30. Now, if the operation mode is "4", while the goods are being conveyed by the packaging conveyor 3, the goods are packed by the film cut by the film cut length from the system controller 30 side, and the goods are packed to the weighing conveyor 4 side. Sent. If the operation mode is “2”, the article only passes through the automatic packaging machine 1 and no film is output. If the operation mode is other than “4” or “2”, the article is conveyed from the packaging conveyor 3 while the article is cut by the film cut by the film cut length set by the operation unit 14 of the automatic packaging machine 1. Is performed.

That is, according to the present embodiment, the setting of the PLU data of the automatic weighing and value-adding machine 2 is performed by performing a key operation on the operation unit 15, and at this time, the cut length of the packaging film is also changed. Operation unit 15 in PLU data
The film cut length corresponding to the product number is automatically called from the PLU memory and set by a PLU operation for retrieving the product number later, and related to the film cut length. Operation is simplified. Here, even if the products have the same product number, the size differs depending on the product, and the cut length of the film may need to be changed. However, as shown in the flowchart of FIG. In this case, the length of the film cut can be temporarily changed, so that it can be dealt with. Further, depending on the mode of use, there are cases where it is desired to set the film cut length on the automatic packaging machine 1 side. However, in this embodiment, not only the PLU setting but also the setting on the automatic packaging machine 1 side is possible. And can be selected by the changeover switch 27. Further, by setting the operation mode on the automatic weighing and value adding machine 2 side, the operation control on the automatic packaging machine 1 side including the setting of the film cut length can be further simplified.

[0022]

According to the first aspect of the present invention, there is provided an automatic wrapping machine for wrapping a conveyed product with a wrapping film, a weighing unit for outputting the weight of the product, and product data called from PLU data stored for each PLU. And an automatic weighing unit having a label issuing unit that calculates the price of the product based on the output of the weighing unit and issues the label, and a label attaching unit that attaches the label issued by the label issuing unit to the product. In an automatic packaging weighing machine integrated with an automatic weighing machine, when setting the PLU data of the automatic weighing machine, the cut length of the packaging film of the automatic packaging machine is set in this PLU data for each PLU number and set. Providing length input means,
Provide a film cut length output means that automatically outputs the film cut length for each PLU number when operating the PLU, and determine whether the film cut length is set by the PLU of the automatic weighing device or by the automatic packaging machine. Since the selection means for selecting is provided, the setting of the film cut length can be performed not only from the automatic weighing / applying machine side but also from the automatic packaging machine side, thereby simplifying the setting work. .

According to the second aspect of the present invention, since the selection means for selecting whether the film cut length is set by the PLU of the automatic weighing machine or by the automatic packaging machine is constituted by the changeover switch, the automatic weighing value is set. It is possible to easily select the setting from the attaching machine side or the setting from the automatic packaging machine side.

According to a third aspect of the present invention, the selection means for selecting whether to set the film cut length by the PLU of the automatic weighing and value weighing machine or by the automatic wrapping machine is based on the operation mode setting of the automatic weighing and weighing machine. Since this is selected, not only the setting of the film cut length but also the operation control of the automatic packaging machine can be performed from the automatic weighing and value adding machine side, and the operation can be further simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view of an entire appearance showing an embodiment of the present invention.

FIG. 2 is a schematic plan view.

FIG. 3 is a front view of an operation unit.

FIG. 4 is a block diagram.

FIG. 5 is a main flowchart of the system controller.

FIG. 6 is a flowchart of a discharging operation.

FIG. 7 is a flowchart of each mode process.

FIG. 8 is a main flowchart of the automatic weighing and value adding machine.

FIG. 9 is a flowchart of a key process.

FIG. 10 is a flowchart of the automatic packaging machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automatic packaging machine 2 Automatic weighing machine 4 Weighing section 8 Label sticking section 9 Label issuing section

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-59-56122 (JP, A) JP-A-58-20626 (JP, A) JP-A-58-11627 (JP, A) 2486 (JP, B2)

Claims (3)

(57) [Claims] An automatic wrapping machine for wrapping a conveyed product with a wrapping film;
A label issuing unit for calculating the price of the product based on the product data called from the PLU data stored for each LU and the output of the weighing unit and issuing the label, and a label issued by the label issuing unit as a product. In an automatic weighing and weighing machine integrated with an automatic weighing and weighing machine having a label affixing section to be attached, when setting the PLU data of the automatic weighing and weighing machine, cutting the packaging film of the automatic wrapping machine for each PLU number Film cut length input means for setting the length in the PLU data; and film cut length output means for automatically outputting the film cut length for each PLU number when operating the PLU; An automatic weighing and weighing machine provided with a selection means for selecting whether to set by a PLU of an automatic weighing or weighing machine or by an automatic wrapping machine. 2. A switch according to claim 1, wherein the selection means for selecting whether to set the film cut length by the PLU of the automatic weighing and value adding machine or by the automatic packaging machine is a changeover switch. Automatic packaging weighing machine described. 3. The selection means for selecting whether to set the film cut length by the PLU of the automatic weighing and value adding machine or by the automatic packaging machine is selected by the operation mode setting of the automatic weighing and value adding machine. Claims 1 and 2
Automatic packaging weighing machine described in item.