JP6860807B2 - Weighing and packaging machine - Google Patents

Description

The present invention relates to a weighing and packaging machine.

Conventionally, in the distribution process of foodstuffs and the like, product items are specified by differently designing and sizing the packaging material for each item to be packaged according to the type, variety, production area, etc. of the foodstuff. Here, it is natural that the label shown on the packaging material and its contents (contents, for example, granules such as rice grains and flakes such as potato chips) match, but for example, a weighing and packaging machine. If the operator neglects to confirm that the design or dimensions of the packaging material attached to the machine are incorrect, or that the packaging material is forgotten to be switched when changing product items, ineligible products will be produced.

In addition, if a non-conforming product is mistakenly delivered to a consumer, it violates the law, such as false labeling of the product, which may lead to a serious accident. Therefore, in order to eliminate human error, on the machine side of the weighing and packaging machine, data is collated so that the packaging material and the contents are not mistakenly packaged, and the design of the packaging material is displayed on the TV camera. It is known that an image is taken with the camera and the images are collated (see, for example, Patent Document 1).

Patent Document 1 describes a storage means for storing data about packaging materials specified for each item, a specified item, a packaging material stored in a storage unit, or a packaging material mounted on a packaging machine. When the data input / output means for inputting and outputting each data of the above is collated with each data of the data input / output means and the storage means, and the item is specified by the data input / output means, the package is included. If the material is selected and the packaging material is specified based on the currently installed packaging material, a bag-making and packaging machine characterized by having a means for selecting a suitable item is described. ing.

As a result, the data of the item specified by the data input / output means and the data of the packaging material mounted on the packaging machine are collated with each data of the item and the packaging material stored in the storage means, and the specified item is obtained. It is possible to select a suitable packaging material or an item suitable for the specified packaging material and display the storage location data and the like on the display means.

In addition, the production of ineligible products caused by mistakes in mounting the packaging material is eliminated, the packing material can be mounted easily and quickly, and the packaging material mounted on the packaging machine can be used. By changing the production order based on it, the production efficiency can be greatly improved.

However, Patent Document 1 has the following problems.
1. 1. A television camera mounted at an appropriate position on the packaging machine captures a picture of the packaging material, which increases the manufacturing cost of the packaging machine.
2. Since the pattern of the packaging material is imaged by a TV camera and further image processing is performed, the pattern of the packaging material becomes unclear and difficult to distinguish.
3. 3. It is necessary to input the call number of the packaged object and the item data of the packaging material by a data input / output means such as a touch panel, and the input work by the operator requires an enormous amount of time.
4. When changing the design of the packaging material, it is necessary to take a picture of the design of the packaging material to be newly attached with the TV camera fixed to the packaging machine, and since the TV camera is fixed, it is cumbersome to handle. , It takes a long time to change the design of the packaging material.

Japanese Patent No. 3393553

In view of the above problems, it is a technical problem to provide a weighing and packaging machine capable of reducing the amount of work of the operator and completely eliminating the production of ineligible products caused by mounting mistakes of packaging materials. And.

In order to solve the above problems, the present invention comprises a first storage means for storing a plurality of previously input product item data and corresponding packaging material data.
An input / output means for designating specific data from the product data and packaging material data stored in the first storage means, and
A second storage means for temporarily storing barcode information and image information such as photographs transmitted from an external mobile terminal, and
A Web server in which the packaging material registration Web application is stored so that the dedicated packaging material registration Web application can be connected from the external mobile terminal, and
When the packaging material registration Web application is downloaded from the external mobile terminal and the barcode information and image information of the packaging material at a remote location are acquired and transmitted by using the packaging material registration Web application, the transmission is performed. A control means for collating the specified barcode information and image information with the specified specific product item data and packaging material data to determine whether or not the packaging material is a legitimate packaging material conforming to the specified product item. The technical measures were taken to prepare for.

According to the second aspect of the present invention, when the control means is determined to be a legitimate packaging material as a result of collation of the transmitted barcode information and the image information, the transmitted image information is used. It is characterized in that it is associated with the product item data and stored in the first storage unit.

The invention according to claim 3 further includes a display means for displaying based on the determination of the control means, and as a result of collating the transmitted barcode information and the image information, it is determined that the packaging material is a regular packaging material. In this case, the display means is characterized in that the operation permission of the machine is displayed.

The invention according to claim 4 is characterized in that the display means is a liquid crystal touch panel that also serves as the input / output means.

According to the invention of claim 1, a first storage means for storing a plurality of pre-input product item data and corresponding packaging material data, and a first storage means.
An input / output means for designating specific data from the product data and packaging material data stored in the first storage means, and
A second storage means for temporarily storing barcode information and image information such as photographs transmitted from an external mobile terminal, and
A Web server in which the packaging material registration Web application is stored so that the dedicated packaging material registration Web application can be connected from the external mobile terminal, and
When the packaging material registration Web application is downloaded from the external mobile terminal and the barcode information and image information of the packaging material at a remote location are acquired and transmitted by using the packaging material registration Web application, the transmission is performed. A control means for collating the specified barcode information and image information with the specified specific product item data and packaging material data to determine whether or not the packaging material is a legitimate packaging material conforming to the specified product item. Because it is a weighing and packaging machine equipped with
For multiple packaging materials stored and stored in a place slightly away from the weighing and packaging machine, the mobile terminal collects image information such as the barcode information of the packaging material and the photograph of the packaging material, and sends this to the weighing and packaging machine side. Therefore, it is possible to collect bar code information and image information such as photographs of the packaging material to be mounted on the weighing and packaging machine with good mobility and accuracy. As a result of being able to collect information on packaging materials in remote locations that cannot be captured by the camera attached to the weighing and packaging machine, it is a regular packaging material while reducing the amount of work that the operator goes back and forth around the weighing and packaging machine. By determining whether or not it is, it is possible to eliminate the production of ineligible products caused by a mistake in mounting the packaging material.

According to the invention of claim 2, when the control means is determined to be a legitimate packaging material as a result of collation of the transmitted barcode information and the image information, the transmitted image information is used. , Since it is stored in the first storage unit in association with the product item data, in addition to the product item data and the corresponding packaging material data, the actual image of the packaging material is also stored in association with the text information. And the image information are associated with each other, which improves the accuracy of the data.

According to the invention of claim 3, the display means for displaying based on the determination of the control means is further provided, and as a result of collation of the transmitted barcode information and the image information, it is determined that the packaging material is a regular packaging material. In that case, since the operation permission of the machine is displayed on the display means, the operator does not need to judge whether the packaging material is genuine or not, and the operation of the weighing and packaging machine can be started just by looking at the display means. can do.

According to the invention of claim 4, since the display means is a liquid crystal touch panel that also serves as the input / output means, it is possible to select a product name displayed in a menu format and input a designated item. , There is a confirmation display function with an image for the operator and an image display function of the packaging material currently in use, and the operability can be extremely improved.

It is a partially broken side view which shows the internal structure of the weighing packaging machine of this invention. It is a front view of the weighing packaging machine. It is a rear view of the weighing packaging machine. It is a schematic diagram which shows the system configuration of the weighing packaging machine side and the mobile terminal side. It is a flow chart at the time of importing the packaging material registration application into a mobile terminal, acquiring the packaging material information, and transferring this to a weighing and packaging machine. It is a figure which showed a plurality of screens in the packaging material registration application displayed on the display part of a mobile terminal. It is a flow chart which shows the state of the matching process of the matching collating unit.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a partially broken side view showing the internal structure of the weighing and packaging machine of the present invention, FIG. 2 is a front view of the weighing and packaging machine, and FIG. 3 is a rear view of the weighing and packaging machine.

In FIGS. 1 to 3, the measuring / packaging machine 1 is mainly composed of a measuring / filling unit 2, a packaging bag supply unit 3, a printing unit 4, a packaging unit 5, and a control unit 6.

The measuring / filling unit 2 includes a supply hopper 7 provided in the upper part of the housing 34, a measuring tank 8 for measuring the raw materials discharged from the supply hopper 7, and a measuring tank 8 when the weight set in the measuring tank 8 is reached. It is composed of a cut gate 9 for stopping the supply of raw materials to the measuring tank 8 and a discharge hopper 10 for collecting and bagging the granular raw materials measured in the measuring tank 8. A portal shutter 11 is provided between the discharge hopper 10 and the measuring tank 8 so that a fixed amount of raw material measured in the measuring tank 8 can be supplied to the discharge hopper 10.

The packaging bag supply unit 3 includes a lift mechanism 13 for raising and lowering a heavy packaging material roll 12, and an introduction roller 14 for introducing the packaging material 12a drawn from the packaging material roll 12 into the weighing packaging machine 1. Yes, the printing unit 4 has a bottom sealing portion 15 that seals the bottom of the introduced packaging material 12a to form the bottom of the bag, and a frame 12b that is pre-printed on the packaging material 12a. A printing machine 16 that prints the rice milling date (manufacturing date), rice milling factory (manufacturing factory), quality retention period (expiration date), etc., and a mark reading sensor that reads the mark printed on the packaging material roll 12. 17 is provided, a brake roll 18 for pulling out the packaging material 12a by a certain length, and a cutter 19 for cutting the packaging material 12a.

The packaging unit 5 includes a delivery mechanism 20 that delivers the packaging material 12a from the printing unit 4 to the packaging unit 5, a clamp unit 21 that grips and opens the left and right sides of the packaging bag 12a, and a packaging bag 12a above the clamp unit 21. It is provided with a sealing portion 22 for sealing the opening of the above. The gate at the lower part of the discharge hopper 10 faces above the seal portion 22. Below the packaging section 5, an elevating mechanism 24 for transferring the packaging bag 12 to the product discharge gutter 23 while supporting the bottom of the bag is arranged.

The control unit 6 is a computer 25 that specifies a product to be produced, collates whether or not the packaging material and the product match, and controls the operation of each part of the weighing and packaging machine 1. Often, the computer 25 is arranged in the upper part of the housing 34 and is electrically connected to the liquid crystal touch panels 28, 29 and the like provided in the front operation unit 26 in FIG. 2 and the rear operation unit 27 in FIG. Has been done. As a result, various necessary data can be input to the computer 25 side by operating the liquid crystal touch panels 28 and 29, and the product name displayed in the menu format on the liquid crystal touch panels 28 and 29 is selected and the specified item is input to the computer 25 side. It is configured so that you can enter it in. In addition, the liquid crystal touch panels 28 and 29 also have a display function as an output device, and have an image confirmation display function for the operator, an image display of the packaging material currently in use, and an image of the packaging material to be used next time. It is also possible to display data on the operating status such as the display, the current packaging capacity of the weighing and packaging machine 1, and the total amount of the measured raw materials.

In addition, the operation units 26 and 27 are provided with speakers 30 and 31 having a voice output function, and can output a voice alert to the operator. On the other hand, the weighing and packaging machine 1 is not provided with a dedicated TV camera (see, for example, Patent Document 1) for capturing a picture of the packaging material 12a. As an alternative means, for example, a USB (Universal Serial Bus, registered trademark) terminal 32 for connecting various peripheral devices and a communication unit 33 may be provided on the operation unit 26 side. As a result, peripheral devices such as a simple camera that reads a barcode and a scanner that reads a barcode are selected and inserted into the USB terminal 32 so that they can be connected to the weighing and packaging machine 1.

The communication unit 33 performs short-range communication provided on the operation unit 26 side, and can be connected to an external device (personal computer, tablet, smartphone). For example, a device that performs wireless communication using Wi-Fi (Wireless Fidelity, registered trademark) or the like as a communication standard, or Bluetooth (Bluetooth, registered trademark) that performs wireless communication using the 2.4 GHz band as a communication standard can be used. The communication unit 33 may be either a device that performs wireless communication via a mobile phone communication network or a device that performs wireless communication via a data communication network.

FIG. 4 is a schematic view showing a system configuration of the weighing and packaging machine 1 side and the mobile terminal 100 side. As described above, the weighing and packaging machine 1 and an external device (for example, a mobile terminal 100 such as a smartphone) are configured to perform short-distance wireless communication via a communication unit 33.

As shown in FIG. 4, on the weighing and packaging machine 1 side, a storage unit 35, a control unit 36, and a Web server 39 are provided in the computer 25.

The storage unit 35 is a product item (also referred to as a “product item”) of the packaged object, data related thereto (for example, product name, net weight, product quality display), and a packaging material having a one-to-one correspondence with these data. A first storage unit 37 that stores types and a second storage unit that temporarily stores image information such as barcode information and photographs transmitted from an external device such as a personal computer, tablet, or smartphone 100 in the weighing and packaging machine 1. It is composed of 38.

The Web server 39 is a server in which the packaging material registration Web application is stored in order to connect to the packaging material registration Web application via a network for an external commercially available personal computer, tablet, or smartphone 100.

Further, the control unit 36 stores the product item specified by the data input / output means, the barcode information and the image information of the packaging material transmitted from the external device and stored in the second storage unit 38 in advance in the first storage unit 37. It is provided with a matching collating unit 40 for collating whether or not each of the product item and packaging material information is matched, and an operation control unit 41 for each part for controlling the operation of each part of the weighing and packaging machine 1. It is composed.

On the other hand, the mobile terminal 100 side, which is an external device, includes a communication unit 42 as an input / output device, and a storage unit 43 and a control unit 44 for activating an application. The communication unit 42 is composed of a communication device that performs wireless communication with the communication unit 33 on the weighing and packaging machine 1 side. For example, as described above, the communication standard is wireless by Wi-Fi (Wireless Fidelity, registered trademark) or the like. A device that performs communication and Bluetooth (Bluetooth, a registered trademark) that performs wireless communication using the 2.4 GHz band as a communication standard can be used.

Therefore, if the communication unit 33 on the weighing and packaging machine 1 side and the communication unit 42 on the mobile terminal 100 side are connected, the data acquired by the mobile terminal 100 can be acquired by the weighing and packaging machine 1.

The 100 million unit 43 includes a barcode acquisition application 45 that stores a barcode acquired by the camera 47 of the mobile terminal 100, and a photography acquisition application 46 that stores image information of a photograph acquired by the mobile terminal 100. .. That is, the camera attached to the mobile terminal 100 in recent years has a pixel count of 5 million pixels or more, and is capable of taking high-level photographs comparable to a compact camera, and is suitable for data collection. It has sufficient practicality and functionality.

The control unit 44 uses the mobile camera 47 of the mobile terminal 100 to read the barcode printed on the packaging material, and captures the pattern printed on the packaging material and transmits it to the weighing and packaging machine 1 side. Is stored.

Next, the transmission of packaging material information from the mobile terminal 100 to the weighing and packaging machine 1 will be described in detail. FIG. 5 is a flow chart when the packaging material registration application is incorporated into the mobile terminal to acquire the packaging material information and transferred to the weighing and packaging machine 1, and FIG. 6 is displayed on the display unit of the mobile terminal 100. A plurality of screens in the packaging material registration Web application are shown, FIG. 6 (a) is a JAN code registration screen, FIG. 6 (b) is a photograph preparation screen of the packaging material, and FIG. 6 (c) is a photo registration screen of the packaging material. FIG. 6D shows the transmission preparation screens, respectively.

In FIG. 5, first of all, the mobile terminal 100 and the weighing and packaging machine 1 are connected. In step S1, the weighing and packaging machine 1 is regarded as a Web server, and the mobile terminal 100 is connected to the weighing and packaging machine 1 via a network (for example, Wi-fi). Next, in step S2, the Web browser of the mobile terminal 100 is started and the URL (web address) is directly input, or the QR code 50 (two-dimensional bar code, registered trademark) attached to the weighing and packaging machine 1 side. ) Is read to access the Web server 39 of the weighing and packaging machine 1. Then, in step S3, the packaging material registration Web application is executed on the mobile terminal 100.

When the packaging material registration Web application is started from the mobile terminal 100, as shown in FIG. 6A, the main screen M of the packaging material registration Web application is displayed on the display unit 51 of the mobile terminal 100. On the main screen M, a JAN code (Japanese Article Number Code, which is an important basis of the distribution information system as a common product code in Japan), which is barcode information for product management, is used on the mobile camera 47. The JAN code reading button 52 for reading from the barcode and the JAN code manual input button 53 for manually inputting the JAN code are displayed. When the operator presses the JAN code reading button 52 or the JAN code manual input button 53 to read the JAN code printed on the packaging material, the JAN code information is taken into the mobile terminal side (step S4 in FIG. 5). ..

When the JAN code information is taken in, the display unit 51 of the mobile terminal is switched and the packaging material photo registration screen N is displayed (FIG. 6 (b)). On the packaging material photo registration screen N, a JAN code confirmation screen 54, a photo shooting button 55, and a back button 56 for returning to the previous screen are displayed. When the operator presses the photography button 55 to prepare to take a picture of the packaging material, the display unit 51 of the mobile terminal switches the screen, and the photography standby screen O is displayed (FIG. 6 (c)). Then, when the shutter or the like is pressed to take an image of the pattern printed on the packaging material (S5 in FIG. 5), the screen of the display unit 51 of the mobile terminal is switched and the pre-transmission confirmation screen P is displayed (FIG. 6 (d)). ). On the pre-transmission confirmation screen P, a JAN code confirmation screen 57, a photo confirmation screen 58, a transmission button 59, and a back button 60 are displayed. Then, when the operator confirms the JAN code and the photographic image (S6 in FIG. 5) and presses the send button 59, these data are transmitted to the weighing and packaging machine 1 side (S7 in FIG. 5).

As described above, with respect to the plurality of packaging material rolls 12 stored and stored at a location slightly away from the measuring and packaging machine 1, the JAN code and the pattern of the packaging material of the packaging material roll 12 to be attached to the measuring and packaging machine 1 Since the data such as the above is collected by the mobile terminal 100 and transmitted to the weighing and packaging machine 1, the data of the packaging material 12a to be mounted on the weighing and packaging machine 1 can be easily moved by the mobile camera of the mobile terminal. It can be collected accurately. Then, as a result of being able to collect data of the packaging material 12a at a remote location that cannot be captured by the camera attached to the weighing and packaging machine 1, the amount of work that the operator goes back and forth around the weighing and packaging machine 1 is reduced, and the packaging material is It is possible to eliminate the production of ineligible products caused by mounting mistakes.

Next, in the matching collation unit 40 of the control unit 36 of the weighing and packaging machine 1, whether or not the designated product item matches the JAN code of the packaging material and the photographic image of the packaging material transmitted from the mobile terminal 100. Is collated. FIG. 7 is a flow chart showing a state of the matching process of the matching collating unit.

First, in steps S20 to S23, the product item registered on the weighing and packaging machine 1 side, the packaging material information corresponding to the product item, the JAN code of the packaging material acquired on the mobile terminal 100 side, and the packaging material photograph. Is taken into the matching collation unit 40 (see FIG. 4).

Next, in step S24, it is confirmed whether or not the product item and the JAN code match, and if they do not match, step S25 is reached and there is a high possibility that an unqualified product will occur. An alarm is issued to output devices such as liquid crystal touch panels 28 and 29.

On the other hand, when the product item and the JAN code match, step 26 is reached, and it is confirmed whether or not the registered packaging material information and the photograph of the actual packaging material match. Whether or not this packaging material information matches the photograph of the actual packaging material may be visually confirmed by the operator. For example, whether or not the image of the registered packaging material and the actual image correlate with each other. It is preferable to automate the collation work by using a known normalized correlation matching method (for example, paragraph 0063 of JP-A-2004-167158). If the registered packaging material information does not match the photo of the actual packaging material, step S27 may have been reached and the packaging material may have been newly updated. Confirmation is done.

When updating the design of the packaging material, step 28 is reached and the first storage unit 37 is updated. On the other hand, when the design of the packaging material is not updated, old and new packaging materials are mixed, resulting in ineligible products. Since there is a high risk, the alarm is issued to the output device in the same manner as described above in step 25.

As a result of the above confirmation, if the registered packaging material information matches the photo of the actual packaging material, or when the update registration work of the packaging material pattern is completed, it is judged to be a regular packaging material, and it is usually (Or permit the operation of the machine of the weighing and packaging machine. Step S29 in FIG. 7). The operator selects the packaging material from a distant place by referring to the pattern displayed on the photo confirmation screen 58 of FIG. 6 (d), carries the packaging material to the vicinity of the weighing and packaging machine 1, and as shown in FIG. Mounting.

As described above, according to the present invention, the first storage means for storing a plurality of previously input product item data and the corresponding packaging material data, the product data stored in the first storage means, and the like. An input / output means for designating specific data from the packaging material data, a second storage means for temporarily storing barcode information and image information such as a photograph transmitted from an external mobile terminal, and the external portable device. The packaging material registration Web application is downloaded from the Web server in which the packaging material registration Web application is stored so that the terminal can connect to the dedicated packaging material registration Web application, and the packaging material registration Web application is downloaded from the external mobile terminal, and the packaging material registration Web is downloaded. When the barcode information and the image information of the packaging material in a remote place are acquired and transmitted by using the application, the transmitted barcode information and the image information are used as the specified specific product item data and the packaging material. Since it is a weighing and packaging machine equipped with a control means that is collated with the data and determines whether or not the packaging material is a genuine packaging material that conforms to the specified product item.

For multiple packaging materials stored and stored in a place slightly away from the weighing and packaging machine, the mobile terminal collects image information such as the barcode information of the packaging material and the photograph of the packaging material, and sends this to the weighing and packaging machine side. Since it is transmitted, it is possible to collect bar code information and image information such as photographs of the packaging material to be mounted on the weighing and packaging machine with good mobility and accuracy. As a result of being able to collect information on packaging materials in remote locations that cannot be captured by the camera attached to the weighing and packaging machine, it is a regular packaging material while reducing the amount of work that the operator goes back and forth around the weighing and packaging machine. By determining whether or not it is, it is possible to eliminate the production of ineligible products caused by a mistake in mounting the packaging material.

Further, since the pattern of the packaging material is imaged by the portable camera attached to the external mobile terminal, it is not necessary to install the camera on the weighing and packaging machine side, and the manufacturing cost of the entire weighing and packaging machine is reduced. Further, even if it is a portable camera, since it uses a camera having 5 million pixels or more, the image is clear and it becomes easy to discriminate when discriminating the packaging material.

The present invention can be applied to a weighing and packaging machine.

1 Weighing and packaging machine

2 Weighing / filling part

3 Package bag supply section

4 Printing section

5 Packaging section

6 Control unit

7 Supply hopper

8 Weighing tank

9 cut gate

10 Discharge hopper

11 gate type shutter

12 Packaging material roll

13 Lift mechanism

14 Introduction roller

15 Bottom seal

16 Printing machine

17 mark reading sensor

18 Brake roll

19 cutter

20 Delivery mechanism

21 Clamp part

22 Seal part

23 Product discharge gutter

24 Lifting mechanism

25 computers

26 Front side operation unit

27 Rear operation unit

28 LCD touch panel

29 LCD touch panel

30 speakers

31 speaker

32 USB terminal

33 Communication unit 34 Housing 35 Storage unit 36 Control unit 37 1st storage unit 38 2nd storage unit 39 App storage server 40 Matching collation unit 41 Operation control unit 42 Communication unit 43 Storage unit 44 Control unit 45 Bar code acquisition application 46 Photograph acquisition app 47 Camera 48 Web browser 50 QR code 51 Display 52 JAN code read button 53 JAN code manual input button 54 JAN code confirmation screen 55 Photograph button 56 Back button 57 JAN code confirmation screen 58 Photo confirmation screen 59 Send Button 60 Back button 100 Mobile device

Claims (3)

A first storage means for storing a plurality of pre-input product item data and corresponding packaging material data, and
An input / output means for designating specific data from the product item data and packaging material data stored in the first storage means, and
A second storage means for temporarily storing barcode information and image information such as photographs transmitted from an external mobile terminal, and
A Web server in which the packaging material registration Web application is stored so that the dedicated packaging material registration Web application can be connected from the external mobile terminal, and
When the packaging material registration Web application is downloaded from the external mobile terminal and the barcode information and image information of the packaging material at a remote location are acquired and transmitted by using the packaging material registration Web application, the transmission is performed. The bar code information and the image information are stored in the second storage means, the bar code information stored in the second storage means is collated with the specified specific product item data, and the transmitted bar code is transmitted. When the information and the specified specific product item data are matched, the image information stored in the second storage means is collated with the packaging material data, and a regular package matching the specified product item is collated. It is equipped with a control means for determining whether or not it is a material .
When the control means confirms whether or not to update the packaging material data when the image information stored in the second storage means does not match the packaging material data, and updates the packaging material data. A weighing and packaging machine characterized in that the transmitted image information is stored in the first storage unit in association with the product item data. A display means for displaying based on the determination of the control means is further provided, and when it is determined as a legitimate packaging material as a result of collation of the transmitted barcode information and the image information, the display means is a machine. 1 Symbol placement weighing and packaging machine according to claim made by the display of the operation permission. The weighing and packaging machine according to claim 2 , wherein the display means is a liquid crystal touch panel that also serves as the input / output means.

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