JP6639452B2 - Packaging quality inspection device - Google Patents

Description

  The present invention relates to a packaging quality inspection device, and more particularly to a packaging quality inspection device for inspecting the packaging quality of a package in which a triangle rice ball is wrapped with a film.

  In a factory that manufactures food such as a triangular rice ball, the inspection of the quality of the packaging of the food packaged with a film or the like is often performed visually by an operator. However, in recent years, it has been required that the process from food production to packing for shipment of packages be automatically performed by a machine in order to perform high-level quality control without overlooking defective packaging. Therefore, the inspection of the quality of the packaging may be performed by the inspection device. As a device related to the inspection of a package, a label inspection system is known in which a label attached to the package is photographed to generate inspection data, and the inspection data is compared with the label master data to perform an inspection. (For example, see Patent Document 1).

JP 2012-174101 A

  However, with a label inspection system as described in Patent Document 1, it is possible to inspect whether there is any error in the printed content of the label and whether or not the printout has occurred. It does not test for proper packaging.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a packaging quality inspection device for inspecting the quality of packaging of a package.

  There are various types of triangular onigiri, and there are also many types of films that wrap the triangular onigiri. Therefore, in order to create an inspection data by photographing a package and compare it with the master data for inspection, it is necessary to create master data for all types of packages, Management was complicated.

  The present inventor, while examining various triangular onigiri packages, has in most cases the letters "2" and "3" printed on the bottom two corners of the package in side view. Since the size and shape of the triangular rice balls are almost the same, the common point is that the positions where the characters "2" and "3" are printed are the same, and focusing on this common point The present invention has been completed.

  The packaging quality inspection device of the present invention that can solve the above-described problem is a packaging quality inspection device that inspects the packaging quality of a package in which a triangular rice ball is packaged by a film, and the package is viewed from a side. It has a first corner, a second corner, and a third corner, and is arranged with the first corner at the top and the second and third corners at the bottom. The character "2" is printed on the surface of the film at the second corner, the character "3" is printed on the surface of the film at the third corner, and the character "2" is printed on the second corner. A camera for determining whether or not the character is within a predetermined area of the third corner and whether or not the character "3" is within a predetermined area of the third corner. is there.

  In the above packaging quality inspection apparatus, it is determined whether or not the character “2” is within a predetermined area of the second corner, and whether or not the character “3” is within a predetermined area of the third corner. It is preferable to include a determination unit that determines that there is a packaging failure if at least one of the determinations is negative.

  In the packaging quality inspection apparatus described above, the camera includes a first camera for determining whether the character “2” is within a predetermined area of the second corner, and a camera for determining whether the character “3” is the third. It is preferable to have a second camera for determining whether or not the camera is within a predetermined area of the corner.

  In the above packaging quality inspection device, the first camera determines whether or not the character “2” has a predetermined shape, and the second camera determines whether or not the character “3” has a predetermined shape. Is preferably determined.

  In the above packaging quality inspection device, the distance between the character "2" and the end of the second corner of the package is 60% or more and 90% or less of the width of the character "2", and the distance between the character "3" and The distance between the end of the third corner of the package and the end is preferably 60% or more and 90% or less of the width of the character "3".

In the packaging quality inspection apparatus described above, the character “1” is printed on the surface of the film at the first corner, and the camera determines whether the character “1” is within a predetermined area of the first corner. It is preferable to determine whether or not.

  In the packaging quality inspection apparatus described above, it is preferable that the character "1" is printed on the surface of the film at the first corner, and the camera does not distinguish the character "1".

  In the above packaging quality inspection apparatus, the distance between the character "1" and the end of the first corner of the package is preferably 20% or more and 50% or less of the height of the character "1".

  In the above packaging quality inspection apparatus, it is preferable that the package has a product surface label on the surface, and the camera determines whether the product surface label has a predetermined pattern.

  In the above packaging quality inspection apparatus, it is preferable that the package has a product backside label on the backside and a product backside label discrimination camera for discriminating whether or not the product backside label has a predetermined pattern.

  In the above packaging quality inspection apparatus, it is preferable that the product backside label discriminating camera is provided at a position facing the camera.

  Further, the packaging quality inspection device of the present invention is a packaging quality inspection device for inspecting the packaging quality of a package in which a triangular rice ball is wrapped with a film, and the package has a first corner portion, A second corner and a third corner, the first corner being on the top, and the second corner and the third corner being on the bottom. The present invention is also characterized in that a width discriminating device for measuring a width in height and discriminating whether the width of the package is within a predetermined numerical range is provided.

  In the above packaging quality inspection device, it is preferable that the width determination device measures the width of the package at a position of 60% to 90% of the height of the package.

  In the above packaging quality inspection device, the width of the package measured by the width determination device is preferably 10% or more and 40% or less of the maximum width of the package.

  The first packaging quality inspection device of the present invention is a packaging quality inspection device for inspecting the packaging quality of a package in which a triangular rice ball is packaged by a film, wherein the package is a first corner portion in side view, A second corner and a third corner, the first corner being at the top, the second corner and the third corner being at the bottom; The character "2" is printed on the surface of the film at the corner, and the character "3" is printed on the surface of the film at the third corner, so that the character "2" is within a predetermined area of the second corner. , And a camera for determining whether or not the character “3” is within a predetermined area of the third corner. Further, a second packaging quality inspection device of the present invention is a packaging quality inspection device for inspecting the packaging quality of a package in which a triangular rice ball is wrapped with a film, and the packaging body has a first corner in a side view. And a second corner and a third corner having a top, a second corner, and a third corner. The present invention is characterized by including a width determining device for measuring the width of the body at a predetermined height and determining whether the width of the package is within a predetermined numerical range. With such a configuration of the packaging quality inspection apparatus, it is possible to determine whether the triangle rice ball is properly packaged with the film.

1 shows a front view of a packaging quality inspection apparatus according to an embodiment of the present invention. 1 shows a top view of a packaging quality inspection apparatus according to an embodiment of the present invention. Fig. 3 shows a surface of an example of a non-defective product of a package according to an embodiment of the present invention. Fig. 4 shows a back surface of an example of a non-defective package body according to the embodiment of the present invention. Fig. 4 shows a surface of an example of a defective package body according to an embodiment of the present invention.

  Hereinafter, the present invention will be described more specifically based on the following embodiments. However, the present invention is not limited to the following embodiments, and appropriate changes may be made within a range that can conform to the purpose of the preceding and the following. In addition, it is of course possible to implement them, and all of them are included in the technical scope of the present invention. In addition, dimensions of various members in the drawings are different from actual dimensions because priority is given to contributing to understanding of features of the present invention.

  According to the present invention, for various types of packages, characters "2" and "3" are printed on films at two corners at the bottom of the package, which are common points of various packages. , The characters "2" and "3" are printed in the same area.

  The packaging quality inspection device according to the present invention is a packaging quality inspection device for inspecting the packaging quality of a package in which a triangular rice ball is packaged with a film. The package body has a first corner, a second corner, and a third corner in a side view thereof, with the first corner at the top, the second corner, and the third corner. It is arranged with the bottom.

  In the first packaging quality inspection apparatus according to the present invention, the character "2" is printed on the surface of the film at the second corner of the package, and the character "3" is printed on the surface of the film at the third corner. To determine whether the character "2" is within a predetermined area of the second corner and whether the character "3" is within a predetermined area of the third corner. Characterized by having a camera of

  The package in the embodiment of the present invention is a package in which a triangular rice ball is packaged with a film. As shown in FIGS. 3 and 4, the package 100 has a first corner 110, a second corner 120, and a third corner 130. In the package 100, the character “2” 122 is printed on the surface of the film of the second corner 120, and the character “3” 132 is printed on the surface of the film of the third corner 130. The package 100 may have characters “1” 112 printed on the surface of the film at the first corner 110.

  As shown in FIGS. 1 and 2, the packaging quality inspection apparatus 1 determines whether the character “2” 122 is within a predetermined area of the second corner 120 and the character “3” 132 is the third The camera 10 is provided for determining whether or not it is within a predetermined area of the corner 130.

  The camera 10 is not particularly limited as long as it can image the package 100, and examples thereof include a still camera and a video camera. In addition, examples of the imaging device included in the camera 10 include a charge coupled device (CCD) and a complementary metal-oxide semiconductor (CMOS). Among them, a still camera provided with a CCD is preferable. Since the camera 10 is configured as described above, the sensitivity is high, and the camera 10 is less susceptible to noise, so that the packaging quality inspection apparatus 1 can accurately inspect the packaging quality of the package 100.

  The determination of the quality of the packaging will be described in detail below. At the second corner 120 of the package 100, an area where the character “2” 122 is printed is set. Although there is no particular limitation on how to define this area, for example, the positions of the characters “2” 122 of the five packages 100 are measured, and the character “2” 122 is printed at the second corner 120 from the measurement result. What is necessary is just to determine the area which is. Similarly to the method of setting the area where the character “2” 122 is printed, the area where the character “3” 132 is printed is set on the third corner 130 of the package 100. The character “2” 122 and the character “3” 132 are imaged by the camera 10.

  Image data of the characters “2” 122 and the characters “3” 132 are input to the determination unit 2 and stored. The discriminating unit 2 records master data of the characters “2” 122 and “3” 132, data of an area where the character “2” 122 is printed, data of an area where the character “3” 132 is printed, and the like. ing. The determination unit 2 processes the image data of the character “2” 122 and the image data of the character “3” 132 to detect the character “2” 122 and the character “3” 132, and the character “2” 122 is the second Is determined within the predetermined area set by the corner 120, and whether the character “3” 132 is within the predetermined area set by the third corner 130.

  The determination unit 2 may be configured by hardware such as an electronic circuit or an integrated circuit (IC chip), or may be configured by a combination of software and hardware.

  The criterion for judging the quality of the package may be appropriately set according to the quality level required for the package 100. At least one of the characters “2” 122 and “3” 132 is set in a predetermined area. , The packaging quality inspection apparatus 1 may determine that the packaging state of the packaging body 100 is good, but the predetermined area in which both the characters “2” 122 and “3” 132 are set respectively When it is within, the packaging quality inspection apparatus 1 preferably determines that the packaging state of the package 100 is good. That is, when at least one of the characters “2” 122 and “3” 132 is not within the predetermined area, the packaging quality inspection apparatus 1 determines that the packaging body 100 is defective in packaging and is defective. Is preferred.

  The packaging quality inspection apparatus 1 determines whether the character “2” 122 is within a predetermined area of the second corner 120 and determines whether the character “3” 132 is within a predetermined area of the third corner 130. It is preferable to include a determination unit 2 that determines that there is a packaging failure if at least one of the determinations as to whether or not the package is defective. The packaging quality inspection apparatus 1 includes the determination unit 2, and by making such a determination, the packaging body 100 in a good packaging state is determined to be good, and the packaging body 100 whose triangle rice ball is not sufficiently covered with the film is determined to be defective. be able to.

  As shown in FIG. 3, the distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 is preferably 60% or more of the width of the character “2” 122, and 65 %, More preferably 70% or more. By setting the lower limit value of the distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 in this way, the package 100 in which the character “2” 122 is easily visible is provided. Can be. The distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 is preferably 90% or less, more preferably 85% or less, of the width of the character “2” 122. Is more preferable, and it is further preferable that it is 80% or less. By setting the upper limit value of the distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 in this way, the first corner 110 of the package 100 and the second corner The package body 100 having a better packaging state in which the triangular rice ball is sufficiently covered with the film over the portion 120 can be obtained.

  The distance L2 between the character "3" 132 and the end 131 of the third corner of the package 100 is the same as the distance L1 between the character "2" 122 and the end 121 of the second corner of the package 100. Preferably, the width is at least 60%, more preferably at least 65%, even more preferably at least 70%, and at most 90% of the width of the character “3” 132 Is preferably 85% or less, more preferably 80% or less.

  The distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 and the distance L2 between the character “3” 132 and the end 131 of the third corner of the package 100 are the same. And may be different. The distance L1 between the character "2" 122 and the end 121 of the second corner of the package 100 is 80 times the distance L2 between the character "3" 132 and the end 131 of the third corner of the package 100. % Or more, more preferably 85% or more, and even more preferably 90% or more. The distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 is the distance L2 between the character “3” 132 and the end 131 of the third corner of the package 100. Is preferably 120% or less, more preferably 115% or less, and even more preferably 110% or less. The distance L1 between the character “2” 122 and the end 121 of the second corner of the package 100 compared to the distance L2 between the character “3” 132 and the end 131 of the third corner of the package 100 By setting the lower limit and the upper limit in this way, it is possible to obtain a package 100 in which both the character “2” 122 and the character “3” 132 are easily visible.

  The height of the character “2” 122 and the height of the character “3” 132 may be the same or different, but are preferably approximately the same. Specifically, the height of the character “2” 122 is preferably 85% or more of the height of the character “3” 132, more preferably 90% or more, and more preferably 95% or more. More preferred. In addition, the height of the character “2” 122 is preferably 115% or less, more preferably 110% or less, even more preferably 105% or less of the height of the character “3” 132. By setting the upper and lower limits of the height of the character “2” 122 compared to the character “3” 132 in this manner, the recognizability of the character “2” 122 and the character “3” 132 is the same. Degree.

  The packaging quality inspection apparatus 1 determines whether the character “2” 122 is within a predetermined area of the second corner 120 and determines whether the character “3” 132 is within a predetermined area of the third corner 130. The imaging for judging whether or not the image is present may be performed by one camera 10, but is preferably performed by a plurality of cameras 10. That is, the camera 10 performs imaging to determine whether the character “2” 122 is within a predetermined area of the second corner 120, and the character “3” 132 It is preferable to have the second camera 12 that performs imaging to determine whether or not it is within a predetermined area of the third corner 130. When one character 10 captures both the character “2” 122 and the character “3” 132, one of the character “2” 122 and the character “3” 132 of the package 100 is The image is taken when the sheet is conveyed to the front, and thereafter, when the other of the characters “2” 122 and “3” 132 of the package 100 is conveyed to the front of the camera 10, the image is picked up again. Therefore, the time taken from the transfer of the character “2” 122 to the front of the camera 10 to the transfer of the character “3” 132 to the front of the camera 10 is the same as that of the characters “2” 122 and “3” 132. It will take time to image both. On the other hand, since the packaging quality inspection apparatus 1 has the first camera 11 and the second camera 12, when the package 100 is arranged in front of the camera 10, the character “2” 122 is imaged. Represents the time required for the first camera 11 to capture the character “3” 132 and the second camera 12 to capture the character “3” 132 at the same time, and to capture both the character “2” 122 and the character “3” 132. Can be shortened. Therefore, the quality of the packaging of the package 100 can be quickly inspected.

  The place where the first camera 11 and the second camera 12 are provided in the packaging quality inspection device 1 is not particularly limited, and may be any place where the package 100 can be imaged, as shown in FIGS. 1 and 2. Preferably, the first camera 11 and the second camera 12 are arranged side by side. Since the first camera 11 and the second camera 12 are provided in this manner, the first camera 11 and the second camera 12 can easily recognize the package 100, and the packaging of the packaging quality inspection device 1 The efficiency of pass / fail inspection can be increased. The positional relationship between the first camera 11 and the second camera 12 is such that when the surface of the package 100 is arranged in front of the camera 10 of the packaging quality inspection apparatus 1, the second corner 120 It is preferable that the first camera 11 be provided at a position facing the third corner 130 and the second camera 12 be provided at a position facing the third corner 130. Since the first camera 11 and the second camera 12 are provided in this manner, the first camera 11 performs the character “2” 122 on the package 100, and the second camera 12 performs the character “3” 132. Can be clearly imaged, and the inspection efficiency of the package 100 of the packaging quality inspection apparatus 1 can be improved.

  The first camera 11 determines whether or not the character “2” 122 has a predetermined shape, and the second camera 12 determines whether or not the character “3” 132 has a predetermined shape. Is preferred. That is, the first camera 11 determines whether the character “2” 122 is within a predetermined area of the second corner 120 and determines whether the character “2” 122 has a predetermined shape. The second camera 12 performs imaging for determination, determines whether the character “3” 132 is within a predetermined area of the third corner 130, and determines whether the character “3” 132 has a predetermined shape. It is preferable to perform imaging for determining whether or not. Whether the character “2” 122 and the character “3” 132 have a predetermined shape is determined based on the pattern of the character “2” 122 and the character “3” 132, which are set in advance, such as character, size, font, and color tone. That is, the determination unit 2 determines whether or not there is any data. By using the data captured by the first camera 11 and the second camera 12, the determination unit 2 determines whether the character “2” 122 and the character “3” 132 each have a predetermined shape. It is possible to confirm whether or not there is an error in printing the characters “2” 122 and “3” 132.

  When the character “1” 112 is printed on the surface of the film of the first corner 110 of the package 100, the camera 10 determines that the character “1” 112 is within a predetermined area of the first corner 110. It may be determined whether or not. The camera 10 performs imaging for determining whether the character “1” 112 is within a predetermined area of the first corner 110, and the determination unit 2 determines whether the packaging state of the package 100 is good. Since the determination is made based on three of the characters “1” 112, the characters “2” 122, and the characters “3” 132, the accuracy of the inspection of the quality of the package 100 can be improved.

  When the character “1” 112 is printed on the surface of the film of the first corner 110 of the package 100, the camera 10 does not need to determine the character “1” 112. Since the camera 10 does not take an image to determine the character "1" 112, the time required for determining the quality of the packaging of the package 100 can be shortened, and the inspection efficiency of the quality of the packaging of the package 100 can be increased. Becomes possible.

  When the character “1” 112 is printed on the surface of the film at the first corner 110 of the package 100, the distance L3 between the character “1” 112 and the end 111 of the first corner of the package 100. Is preferably at least 20%, more preferably at least 25%, even more preferably at least 30% of the height of the character "1" 112. The distance L3 between the character “1” 112 and the end 111 of the first corner of the package 100 is preferably 50% or less, more preferably 45% or less, and more preferably 40% or less. It is more preferred that there be. By setting the lower limit value and the upper limit value of the distance L3 between the character “1” 112 and the end 111 of the first corner of the package 100 in this way, the package 100 in which the character “1” 112 is easily visible. It can be.

  When the character “1” 112 is printed on the surface of the film at the first corner 110 of the package 100, the height of the character “1” 112 is the height of the characters “2” 122 and “3” 132. May be the same or different. In particular, it is preferable that the height of the character “1” 112 and the heights of the characters “2” 122 and “3” 132 are approximately the same. Specifically, the height of the character “1” 112 is preferably 85% or more of the height of the character “2” 122, more preferably 90% or more, and more preferably 95% or more. More preferably, the height is at least 85%, more preferably at least 90%, even more preferably at least 95% of the height of the character "3" 132. Also, the height of the character “1” 112 is preferably 115% or less, more preferably 110% or less, even more preferably 105% or less of the height of the character “2” 122, In addition, the height is preferably 115% or less, more preferably 110% or less, even more preferably 105% or less of the height of the character “3” 132. By setting the upper and lower limits of the height of the character “1” 112 compared to the characters “2” 122 and “3” 132 in this way, the characters “1” 112, “2” 122, and The character “3” 132 can be made equally easy to recognize.

  When the character “1” 112 is printed on the surface of the film of the first corner 110 of the package 100, the camera 10 of the packaging quality inspection apparatus 1 outputs the character “1” 112 to the first corner 110. It is preferable to have a third camera 13 for determining whether or not the camera is within a predetermined area. As described above, when a plurality of parts are imaged by one camera 10, the time required for all the imaging parts of the package 100 to pass in front of the camera 10 depends on the time required to image all the imaging parts. It depends on. Since the packaging quality inspection apparatus 1 has the third camera 13, when the package 100 is arranged in front of the camera 10, the third camera 13 captures an image of the character "1" 112, Since the imaging of the other imaging part is performed by the other camera 10, the time required for imaging all the imaging parts including the character “1” 112 can be reduced, and the time required for the inspection of the package 100 can be reduced. Becomes possible.

  The location where the third camera 13 is provided in the packaging quality inspection device 1 is not particularly limited, and may be any location as long as it can image the package 100. When the packaging quality inspection apparatus 1 has the first camera 11 and the second camera 12, as shown in FIGS. 1 and 2, the first camera 11, the second camera 12, and the Preferably, the three cameras 13 are arranged side by side. That is, the third camera 13 is preferably provided at a position adjacent to both the first camera 11 and the second camera 12. By providing the first camera 11, the second camera 12, and the third camera 13 in this manner, in all of the first camera 11, the second camera 12, and the third camera 13, The package 100 is easily recognized, and the inspection efficiency of the package 100 increases.

  It is preferable that the third camera 13 determines whether the character “1” 112 has a predetermined shape. That is, the third camera 13 determines whether the character “1” 132 is within a predetermined area of the first corner 110 and determines whether the character “1” 112 has a predetermined shape. It is preferable to perform imaging for determination. Whether or not the character “1” 112 has a predetermined shape is determined by the determination unit 2 determining whether or not the character “1” 112 is a pattern such as a preset character, size, font, and color tone. is there. The third camera 13 performs imaging for determining whether or not the character “1” 112 has a predetermined shape, so that it is possible to check whether there is an error in printing the character “1” 112.

  As shown in FIG. 3, the package 100 preferably has a product surface label 101 on the surface. The product surface label 101 is a label on which product information such as a product name, a type, a price, a product description, a product image diagram, and a logo mark of the package 100 is printed. When the package 100 has the product surface label 101, it is possible to indicate what kind of triangular rice ball the package 100 is, and to advertise the package 100 as a product to consumers.

  The position of the product surface label 101 is not particularly limited as long as it is the surface of the package 100, but is preferably located at an intermediate portion between the characters "2" 122 and "3" 132. When the product surface label 101 is located at such a position, the product surface label 101 can be easily recognized, and the package 100 can be more effectively appealed to consumers as a product.

  When the package 100 has the product surface label 101, the camera 10 preferably determines whether or not the product surface label 101 has a predetermined pattern. The method of determining whether or not the product surface label 101 has a predetermined pattern is not particularly limited. For example, image data of the product surface label 101 captured by the camera 10 and the product surface label recorded in the determination unit 2 For example, there is a method of comparing the print data 101 with the master of the print data. By discriminating the product front label 101, it is possible to confirm whether the content of the product front label 101 matches the type of the triangular rice ball, and whether there is no error or printing error in the content of the product front label 101, The quality of the package 100 can be further improved.

  When the camera 10 of the packaging quality inspection apparatus 1 includes the third camera 13, the third camera 13 preferably determines whether or not the product surface label 101 has a predetermined pattern. That is, it is preferable that the third camera 13 performs imaging for determining the character “1” 112 of the package 100 and determining the product front label 101. Since the product front label 101 is located near the character “1” 112, the product front label 101 can be imaged simultaneously with the image of the character “1” 112. Since the third camera 13 simultaneously captures the image of the character “1” 112 of the package 100 and the product surface label 101, the time required to inspect the quality of the package 100 can be reduced, and the inspection efficiency can be increased. be able to.

  As shown in FIG. 4, the package 100 preferably has a product back label 102 on the back. The product back label 102 is a label on which product information such as the name of the triangle rice ball, the name of the raw material, the expiration date, the preservation method, the manufacturer, and a barcode is printed.

  The position of the product back label 102 is not particularly limited as long as it is the back of the package 100, but may be located at an intermediate portion between the end 121 of the second corner and the end 131 of the third corner. preferable. It is also preferable that the product back label 102 is located at a position facing the product front label 101. By locating the product back label 102 in such a position, the information printed on the product back label 102 can be easily read.

  When the package 100 has the product back label 102, the packaging quality inspection apparatus 1 preferably includes a product back label discriminating camera 20 for discriminating whether or not the product back label 102 has a predetermined pattern. The method of determining whether or not the product back label 102 has a predetermined pattern is not particularly limited. However, similarly to the method of determining the product front label 101, the image data of the product back label 102 captured by the camera 10 can be determined. For example, a method of comparing the print data of the product back label 102 recorded in the unit 2 with the master of the print data may be used. Since the packaging quality inspection apparatus 1 includes the product backside label discriminating camera 20, it is possible to confirm whether the print content of the product backside label 102 matches the triangle rice ball, and whether there is no error or the like in the printing of the product backside label 102. It can be done easily.

  The location where the product back label discriminating camera 20 is provided in the packaging quality inspection device 1 is not particularly limited as long as it can capture an image of the back face of the package 100, but is opposed to the camera 10 as shown in FIGS. Preferably, it is provided at a position. By providing the product backside label discriminating camera 20 in this way, it is possible to perform the backside inspection simultaneously with the front side inspection of the package 100. When the camera 10 of the packaging quality inspection device 1 includes the third camera 13, the product back label discrimination camera 20 is preferably provided at a position facing the third camera 13. Since the product back label discriminating camera 20 is provided at such a position, the product back label 102 can be accurately imaged even when the front surface of the package 100 is being imaged.

  FIG. 3 shows a surface of an example of a non-defective product of the package 100 in the embodiment of the present invention, and FIG. 5 shows a surface of an example of a defective product of the package 100, respectively.

  As shown in FIGS. 3 and 5, a predetermined area of the second corner 120 and a predetermined area of the third corner 130 are indicated by broken lines. In the package 100 shown in FIG. 3, the character “2” 122 is within a predetermined area of the second corner 120, and the character “3” 132 is within a predetermined area of the third corner 130. Therefore, the package 100 shown in FIG. 3 is determined to be good.

  On the other hand, in the package 100 illustrated in FIG. 5, the character “3” 132 is within the predetermined area of the third corner 130, but the character “2” 122 is on the right side of the predetermined area of the second corner 120. And does not fit within the predetermined area. Therefore, it is preferable to determine that the package 100 shown in FIG. 5 is defective. As shown in FIG. 5, the package 100 in which at least one of the characters “2” 122 and “3” 132 is not in a predetermined area does not have a sufficiently covered triangular rice ball, and the packaging state is May be bad.

  In the package 100 shown in FIG. 5, a part of the character “3” 132 has disappeared. It is determined that at least a part of the character has disappeared, or at least a part of the character that has a double line such as a double line does not have a predetermined shape. As described above, when at least one of the characters “2” 122 and the characters “3” 132 is not in a predetermined shape, the characters “2” 122 and the characters “3” 132 are difficult to read, so It is preferable to determine

  Regarding the character “1” 112, a predetermined area of the first corner 110 is indicated by a broken line. In the package 100 shown in FIG. 3, the character “1” 112 is within a predetermined area of the first corner 110, but in the package 100 shown in FIG. 110 is located on the upper left side of the predetermined area, and does not fall within the predetermined area. When the determination is made for the character “1” 112, the package 100 such as the character “1” 112 in FIG. 3 is a good product, and the package 100 such as the character “1” 112 in FIG. It is preferable to determine that there is.

  The second packaging quality inspection apparatus according to the present invention includes a width determination device for measuring a width of the package at a predetermined height and determining whether the width of the package is within a predetermined numerical range. It is characterized by having.

  As shown in FIGS. 1 and 2, the packaging quality inspection device 1 has a width determination device 30. As shown in FIG. 3, the width determination device 30 includes a width measuring unit that measures a width L5 of the package 100 at a predetermined height L4, and a width L5 of the package 100 at a predetermined height L4 within a predetermined numerical range. It has a width discriminating unit for discriminating whether or not it is present. By measuring the width L5 of the package 100 at the predetermined height L4, it is possible to confirm whether the packaging state of the triangular rice ball with the film is appropriate.

  The method of determining the predetermined numerical range of the width L5 at the predetermined height L4 of the package 100 is not particularly limited. For example, for the five packages 100, the width L5 at the predetermined height L4 of each package 100 is measured. Then, an upper limit value and a lower limit value of the width L5 at a predetermined height L4 of the package 100 may be determined from the average value.

  The predetermined numerical range of the width L5 at the predetermined height L4 of the package 100 thus determined is recorded in the width determination unit. The measured data of the width L5 at the predetermined height L4 of the package 100 measured by the width measuring unit is input to the width determining unit, and the width determining unit determines whether the measured data is within a predetermined numerical range. If the measured data is within the predetermined numerical range, the package 100 is determined to be good, and if it is outside the predetermined numerical range, the package 100 is determined to be defective.

  The type of the width measurement unit of the width determination device 30 is not particularly limited, and examples thereof include a photoelectric sensor using infrared light, visible light, and the like, a magnetic sensor, an ultrasonic sensor, and the like. Among them, it is preferable to use a photoelectric sensor, and it is more preferable to use an infrared sensor. By using such a sensor for measuring the width of the package 100 at a predetermined height, the width of the package 100 at a predetermined height can be measured quickly and accurately.

  As the configuration of the width determining unit, the same configuration as that described above as the configuration of the determining unit 2 may be used, and may be configured by hardware, or may be configured by a combination of software and hardware. Good.

  The location where the width discriminating device 30 is provided in the packaging quality inspection device 1 is not particularly limited, but is preferably provided at a position facing the front surface or the back surface of the package 100. By providing the width determination device 30 at such a position, the measurement accuracy of the width of the package 100 at a predetermined height can be improved.

  The predetermined height L4 of the package 100 is preferably at least 60%, more preferably at least 65%, even more preferably at least 70% of the height L6 of the package 100. By setting the lower limit of the predetermined height L4 of the package 100 in this manner, it is confirmed that the triangular rice ball is sufficiently covered with the film from the lower portion to the center of the package 100 and is in an appropriate packaging state. can do. The predetermined height L4 of the package 100 is preferably 90% or less of the height L6 of the package 100, more preferably 85% or less, and further preferably 80% or less. By setting the upper limit of the predetermined height L4 of the package 100 in this way, it is possible to confirm whether the package at the top of the package 100 is appropriate.

  The width L5 of the package 100 at the predetermined height L4 is preferably at least 10%, more preferably at least 15%, even more preferably at least 20% of the maximum width L7 of the package 100. By setting the lower limit of the width L5 at the predetermined height L4 of the package 100 in this way, it is possible to confirm whether the package 100 is not deformed due to excessive tightening of the triangular rice ball on the film or the like. . The width L5 of the package 100 at the predetermined height L4 is preferably 40% or less of the maximum width L7 of the package 100, more preferably 35% or less, and further preferably 30% or less. preferable. By setting the upper limit value of the width L5 at the predetermined height L4 of the package 100 in this way, it is possible to confirm whether the film is a well-packaged package 100 that sufficiently covers the triangular rice ball.

  The packaging quality inspection apparatus 1 determines whether the character “2” 122 is within a predetermined area of the second corner 120 and the character “3” 132 is within a predetermined area of the third corner 130. A camera 10 for determining whether or not the width L5 of the package 100 at a predetermined height L4 is measured, and a width for determining whether or not the width L5 of the package 100 is within a predetermined numerical range. Both of the determination devices 30 may be provided. Since the packaging quality inspection device 1 has both the camera 10 and the width determination device 30, the position of the characters “2” 122 and the characters “3” 132 and the width L 5 of the package 100 at the predetermined height L 4 are determined. Since the quality of the package 100 can be determined, the packaging state of the package 100 can be inspected with higher accuracy.

  When the packaging quality inspection device 1 has both the camera 10 and the width determination device 30, the width determination device 30 is preferably provided at a position facing the camera 10. Since the camera 10 and the width determination device 30 are provided in this manner, the camera 10 captures an image of the characters “2” 122 and “3” 132 of the package 100, and the width determination device 30 The measurement of the width L5 at the predetermined height L4 can be performed at the same time, and the inspection time of the package 100 can be reduced.

  When the packaging quality inspection device 1 has both the camera 10 and the width determination device 30, it is preferable that the determination portion 2 has the function of the width determination portion of the width determination device 30. That is, the determination unit 2 determines that the character “2” 122 is within the predetermined area set by the second corner 120 or the character “3” 132 is within the predetermined area set by the third corner 130 It is preferable to determine whether or not there is, and whether or not the width L5 of the package 100 at the predetermined height L4 is within a predetermined numerical range. Since the determination unit 2 is configured as described above, the packaging quality inspection device 1 can be reduced in size.

  The packaging quality inspection apparatus 1 preferably includes a package transport conveyor 3 that transports the package 100. Since the packaging quality inspection apparatus 1 includes the package transport conveyor 3, the package 100 can be automatically transported to the front of the camera 10 and the width determination device 30. It is possible to reduce the work of arranging in front of the width determining device 30. Then, the number of personnel required for this operation can be reduced, and the labor cost for inspecting the quality of the package 100 can be reduced.

  The package transport conveyor 3 is preferably provided from the packaging quality inspection apparatus 1 to a place where a process before or after the process of inspecting the quality of the packaging of the package 100 is performed, and inspects the quality of the packaging of the package 100. It is more preferable that the apparatus is provided from the step before the step of performing the step of performing the step of performing the step of inspecting the quality of the packaging of the package 100 including the packaging quality inspection device 1. More specifically, a place or a packing apparatus where the packaging 100 is manufactured for shipment from the manufacturing apparatus to the packaging quality inspection apparatus 1 or from the packaging quality inspection apparatus 1 to the packaging quality inspection apparatus 1. It is preferable that the package transport conveyor 3 is provided before the package 100 is packaged for shipping the package 100 from the place where the package 100 is manufactured or the manufacturing apparatus, including the packaging quality inspection device 1. It is more preferable that the package conveying conveyor 3 is provided at a place or a packing device. By providing the package conveying conveyor 3 in this manner, the package 100 can be automatically conveyed in a plurality of steps or all steps from manufacturing to packing of the package 100, and the package 100 The number of personnel required for transporting the products can be reduced.

  The type of the package transport conveyor 3 is not particularly limited as long as the package 100 can be transported, and examples thereof include a belt conveyor, a roller conveyor, a slat conveyor, and a mesh conveyor. Especially, it is preferable that it is a belt conveyor. If the package transport conveyor 3 is a belt conveyor, the risk of damaging the package 100 during transport can be reduced. In detail, the belt conveyor is a belt in which a rubber or resin belt is stretched on a frame, and this belt and the package 100 are in contact with each other during transportation. The possibility that the film of the package 100 is broken or broken can be reduced.

  The packaging quality inspection device 1 preferably includes an operation panel 4. Since the packaging quality inspection apparatus 1 includes the operation panel 4, the area where the characters "2" 122 and the characters "3" 132 are printed at the site where the packaging quality of the package 100 is inspected, The upper and lower limits of the numerical range of the width L5 at the predetermined height L4 of the body 100 can be set and corrected.

  The position where the operation panel 4 is provided is not particularly limited. However, as shown in FIG. 1 and FIG. By providing the operation panel 4 at such a position, the area where the characters “2” 122 and the characters “3” 132 are printed while confirming the actual package 100 inspected by the camera 10, Inspection criteria such as upper and lower limits of the numerical range of the width L5 at the predetermined height L4 of the package 100 can be set and corrected.

  The type of the operation panel 4 is not particularly limited, but is preferably a touch panel. If the operation panel 4 is a touch panel, it is possible to display the inspection result of the quality of the packaging of the package 100 on the operation panel 4, and check the displayed inspection result on the spot while checking the displayed inspection result. Can be modified.

  It is preferable that the packaging quality inspection device 1 includes the lighting 5. Since the packaging quality inspection apparatus 1 has the illumination 5, the packaging body 100 is illuminated at the time of the quality inspection of the packaging, and it is easy to find an abnormality of the packaging body 100 such as a printing error of the characters “2” 122 and “3” 132. be able to.

  The position where the lighting 5 is provided is preferably above the position where the package 100 is arranged. By providing the lighting 5 at such a position, the package 100 can be sufficiently illuminated at the time of inspection of the package 100, and a shadow of the package 100 generated by illuminating the package 5 with the lighting 5 is applied to the package 100. Since it is difficult to apply, it is possible to improve the accuracy of the inspection of the quality of the packaging.

  The type of the illumination 5 is not particularly limited, and examples thereof include an LED, a fluorescent lamp, and an incandescent lamp. Especially, it is preferable that it is LED. If the illumination 5 is an LED, the heat generation of the illumination 5 is small, so that the inspection of the quality of the packaging of the packaging 100 does not easily affect the packaging 100. Further, since the LED has a long life, the frequency of maintenance such as replacement of the LED can be reduced.

  It is preferable that the packaging quality inspection apparatus 1 has means for removing a defective product determined to be defective in the packaging quality inspection. As a specific example of the defective product removing means, as shown in FIGS. 1 and 2, a defective product removing device 40 for removing defective products and a defective product storage portion 41 for storing the removed defective products are provided. No. More specifically, at least one of the image data of the package 100 by the camera 10 and the width measurement data by the width determination device 30 is input to the determination unit 2, and the determination unit 2 determines whether the packaging of the package 100 is good or not. When the body 100 is determined to be defective, the determination unit 2 outputs a signal to the defective product removing device 40 and moves the package 100 determined to be defective to the defective product storage unit 41. Since the packaging quality inspection device 1 includes the defective product removal device 40 and the defective product storage unit 41, the packaging products 100 that are determined to be defective in the packaging quality inspection of the package 100 are determined to be non-defective. It is possible to reduce the possibility of accidentally slipping into the device.

  The position where the defective product removing device 40 is provided is not particularly limited. However, when the packaging quality inspection device 1 has the package transport conveyor 3, the position where the camera 10 is provided is the side of the package transport conveyor 3 in the traveling direction. Is preferably provided. Since the defective product removing device 40 is provided at such a position, the defective package 100 can be removed immediately after the packaging quality inspection device 1 determines that the defective product is a defective product.

  The type of the defective product removing device 40 is not particularly limited, and examples thereof include an air nozzle, an air cylinder, a robot arm, and a piston rod. Among them, an air nozzle is preferable. As a control device for the air nozzle, a solenoid valve is preferable. With such a configuration, the defective product removing device 40 can be continuously operated. The details of the method of removing defective products include, for example, when the determining unit 2 determines that the package 100 is defective, a signal is output from the determining unit 2 to the defective product removing device 40, and the solenoid valve is opened. Air is blown from the air nozzle toward the defective product, and the defective product is stored in the defective product storage unit 41.

  It is preferable that the position where the defective product accommodating portion 41 is provided is a position facing the defective product removing device 40. By providing the defective product storage section 41 at such a position, the output and the driving distance of the defective product removal device 40 can be reduced, and the size of the packaging quality inspection device 1 can be reduced.

  The shape of the defective product accommodating portion 41 is not particularly limited as long as it can accommodate the defective product removed by the defective product removing device 40. For example, a box shape, a bag shape, and the like can be given. The material forming the defective product accommodating portion 41 is not particularly limited, and examples thereof include synthetic resin, metal, and natural rubber. Especially, it is preferable that it is a box shape made of a synthetic resin or metal. If the defective product accommodating portion 41 is configured as described above, the possibility that the defective product accommodating portion 41 is damaged even when a large number of defective products are accommodated therein can be reduced.

  As described above, the first packaging quality inspection device of the present invention is a packaging quality inspection device that inspects the packaging quality of a package in which a triangular rice ball is wrapped with a film, and the package is in a side view. A first corner, a second corner, and a third corner, with the first corner being at the top, the second corner and the third corner being at the bottom, The character “2” is printed on the surface of the film at the second corner, the character “3” is printed on the surface of the film at the third corner, and the character “2” is printed on the second corner. , And a camera for determining whether the character “3” is within a predetermined area of the third corner portion. Further, the second packaging quality inspection device of the present invention is a packaging quality inspection device for inspecting the packaging quality of a package in which a triangular rice ball is wrapped with a film, and the packaging body has a first corner in a side view. And a package having a second corner, a second corner, and a third corner, with the first corner at the top and the second and third corners at the bottom. The present invention is characterized by including a width determining device for measuring the width of the body at a predetermined height and determining whether the width of the package is within a predetermined numerical range. With such a configuration of the packaging quality inspection apparatus, it is possible to determine whether the triangle rice ball is properly packaged with the film.

1: Packaging quality inspection device 2: Discrimination unit 3: Package transport conveyor 4: Operation panel 5: Illumination 10: Camera 11: First camera 12: Second camera 13: Third camera 20: Product back label discrimination Camera 30: Width discriminating device 40: Defective product removal device 41: Defective product storage unit 100: Packaging 101: Product front label 102: Product back label 110: First corner 111: End of first corner 112 : Character "1"
120: second corner 121: end of second corner 122: character "2"
130: Third corner 131: End of third corner 132: Character "3"
L1: distance between the character "2" and the end of the second corner L2: distance between the character "3" and the end of the third corner L3: distance between the character "1" and the end of the first corner L4: Specified height of package L5: Width of package at predetermined height L6: Height of package L7: Maximum width of package

Claims (11)

A packaging quality inspection device for inspecting the packaging quality of a package in which a triangle rice ball is packaged by a film,
The package has a first corner, a second corner, and a third corner in a side view thereof, and the second corner and the second corner have the first corner at the top. It is arranged with the corner of 3 at the bottom,
A letter "2" is printed on the surface of the film at the second corner, and a letter "3" is printed on the surface of the film at the third corner;
To determine whether the character "2" is within a predetermined area of the second corner and whether the character "3" is within a predetermined area of the third corner Packaging quality inspection device, comprising: a camera.   Determining whether the character "2" is within a predetermined area of the second corner and determining whether the character "3" is within a predetermined area of the third corner The packaging quality inspection device according to claim 1, further comprising: a determination unit configured to determine that the packaging is defective if at least one of the two is negative.   The camera comprises: a first camera for determining whether the character “2” is within a predetermined area of the second corner; and a camera for determining whether the character “3” is in the third corner. The packaging quality inspection device according to claim 1, further comprising a second camera for determining whether or not the package is within a predetermined area. The first camera determines whether the character “2” has a predetermined shape,
The packaging quality inspection apparatus according to claim 3, wherein the second camera determines whether the character "3" has a predetermined shape. The horizontal distance (L1) between the portion of the character "2" closest to the second corner of the package and the end of the second corner of the package is the character "2". 2 "is 60% or more and 90% or less of the width,
The horizontal distance (L2) between the portion of the character "3" closest to the third corner of the package and the end of the third corner of the package is the character "3". The packaging quality inspection device according to any one of claims 1 to 4, wherein the width is 60% or more and 90% or less of the width of "3". The character "1" is printed on the surface of the film at the first corner,
The packaging quality inspection device according to claim 1, wherein the camera determines whether the character “1” is within a predetermined area of the first corner. The character "1" is printed on the surface of the film at the first corner,
The packaging quality inspection apparatus according to claim 1, wherein the camera does not determine the character “1”.   The vertical distance (L3) between the portion of the character “1” farthest from the first corner of the package and the end of the first corner of the package is the character “1”. The packaging quality inspection device according to claim 4, wherein the height is 20% or more and 50% or less of the height of “1”. The package has a product surface label on the surface,
The packaging quality inspection device according to any one of claims 1 to 8, wherein the camera determines whether the product surface label has a predetermined pattern. The package has a product back label on the back,
The packaging quality inspection apparatus according to any one of claims 1 to 9, further comprising a product backside label determination camera that determines whether the product backside label has a predetermined pattern. The packaging quality inspection device according to claim 10, wherein the product backside label identification camera is provided at a position facing the camera in the packaging quality inspection device according to claim 1.

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