WO2018173334A1 - Dispositif d'inspection, machine de conditionnement ptp et procédé de fabrication de feuille ptp - Google Patents

Dispositif d'inspection, machine de conditionnement ptp et procédé de fabrication de feuille ptp Download PDF

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Publication number
WO2018173334A1
WO2018173334A1 PCT/JP2017/034514 JP2017034514W WO2018173334A1 WO 2018173334 A1 WO2018173334 A1 WO 2018173334A1 JP 2017034514 W JP2017034514 W JP 2017034514W WO 2018173334 A1 WO2018173334 A1 WO 2018173334A1
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WIPO (PCT)
Prior art keywords
imaging
film
pocket portion
ptp
container film
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PCT/JP2017/034514
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English (en)
Japanese (ja)
Inventor
田口　幸弘
大山　剛
憲彦 坂井田
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Ckd株式会社
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Publication of WO2018173334A1 publication Critical patent/WO2018173334A1/fr

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  • the present invention relates to an inspection apparatus, a PTP packaging machine, and a method for manufacturing a PTP sheet that inspect for mixing of different varieties using spectroscopic analysis.
  • a PTP sheet is composed of a container film in which a pocket portion filled with an object such as a tablet is formed, and a cover film that is attached to the container film so as to seal the opening side of the pocket portion.
  • a different type mixing inspection is performed to inspect the mixing of different types.
  • near-infrared light is irradiated onto an object, the reflected light is dispersed with a spectroscope, and spectral data obtained by imaging it are analyzed as principal components to detect the inclusion of different varieties. How to do is known.
  • the position of the object is not determined in the pocket portion to be filled, and the position of the object is different in each of the plurality of pocket portions.
  • imaging is performed for a plurality of pocket portions 91 arranged in a row.
  • the processing is performed only once at a predetermined timing, some of the objects 92 are not located in the imaging range E (refer to the scattered points in the figure), and the spectrum data related to the objects 92 are There is a possibility that it cannot be obtained.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an inspection apparatus, a PTP packaging machine, and a method for manufacturing a PTP sheet that can increase the speed of inspection for mixing different types of products using spectroscopic analysis. There is to do.
  • An inspection apparatus used in manufacturing a PTP sheet in which an object is stored in a pocket portion formed in a container film, and a cover film is attached so as to close the pocket portion, Irradiating means capable of irradiating near infrared light to the object to be conveyed; A spectroscopic means capable of spectroscopically entering the reflected light reflected from the object irradiated with the near infrared light through a predetermined slit; An imaging unit capable of capturing a spectral image of the reflected light spectrally separated by the spectral unit; Spectral data acquisition means capable of acquiring spectral data based on the spectral image; Analysis means capable of detecting different varieties by performing predetermined analysis processing (for example, principal component analysis) based on the spectrum data; An inspection apparatus comprising: an imaging timing control unit capable of executing an imaging process (exposure process) by the imaging unit in an imaging cycle satisfying the following relational expressions (1) and (2):
  • L 0 T ⁇ V (2)
  • T imaging cycle
  • V object conveyance speed
  • R length of the object in the conveying direction
  • W the width on the object corresponding to the width of the slit in the transport direction
  • L 0 transport amount of the object transported during one imaging cycle
  • L i A carry amount of the object carried during the interval period between the imaging processes.
  • the transport direction imaging range that can be imaged by one imaging process can be widened to the slit width or more, which is useful for spectroscopic analysis. It is possible to reduce the number of times of imaging for obtaining necessary spectrum data.
  • the imaging process is performed in the imaging cycle T in this means, the spectrum of the object can be imaged at least once without being affected by the background regardless of the position of the object in the pocket. it can.
  • the imaging process is continuously executed while the transport amount of the object is at least two pixels or more of the imaging element of the imaging unit.
  • a PTP wrapping machine for manufacturing a PTP sheet in which an object is stored in a pocket portion formed in a container film, and a cover film is attached so as to close the pocket portion, Pocket portion forming means for forming the pocket portion with respect to the container film transported in a strip shape; Filling means for filling the pocket with the object; Attaching means for attaching the band-shaped cover film so as to close the pocket portion with respect to the container film filled with the object in the pocket portion, Separating means for separating the PTP sheet from a strip-shaped body (band-shaped PTP film) in which the cover film is attached to the container film (including punching means for punching in units of sheets); A PTP packaging machine comprising the inspection device according to the above means 1.
  • the PTP packaging machine may include a discharge unit that discharges the PTP sheet that is determined to be defective by the inspection apparatus.
  • the inspection apparatus may be arranged in “a post-process in which an object is filled in the pocket portion by the filling means and a pre-process in which the cover film is attached by the attaching means”. In such a case, the inspection can be executed in a state where there is nothing to block the object, and the inspection accuracy can be improved.
  • the inspection apparatus may be arranged in a “post-process after the cover film is attached by the attaching means and a pre-process where the PTP sheet is separated by the separating means”. In such a case, the inspection can be executed in a state where the object is not replaced, and the inspection accuracy can be improved.
  • the inspection apparatus may be arranged in “the post-process after the PTP sheet is separated by the separating means”. In such a case, it can be confirmed at the final stage whether defective products are mixed.
  • Means 3 A method for producing a PTP sheet for producing a PTP sheet in which an object is accommodated in a pocket portion formed in a container film and a cover film is attached so as to close the pocket portion, A pocket portion forming step for forming the pocket portion with respect to the container film transported in a strip shape; A filling step of filling the pocket with the object; An attachment step of attaching the band-shaped cover film so as to close the pocket portion, with respect to the container film filled with the object in the pocket portion, A separation step (including a punching step of punching in units of sheets) for separating the PTP sheet from a strip-shaped body (band-shaped PTP film) in which the cover film is attached to the container film; And an inspection process for inspecting the mixing of different varieties, In the inspection step, An irradiation step of irradiating the object to be conveyed with near infrared light; A spectroscopic step of allowing the reflected light reflected from the object irradiated with the near-infrared
  • L 0 T ⁇ V (2)
  • T imaging cycle
  • V object conveyance speed
  • R length of the object in the conveying direction
  • W the width on the object corresponding to the width of the slit in the transport direction
  • L 0 transport amount of the object transported during one imaging cycle
  • L i A carry amount of the object carried during the interval period between the imaging processes.
  • the inspection process may be performed as “a post process of the filling process and a pre process of the attachment process”. In such a case, the inspection can be executed in a state where there is nothing to block the object, and the inspection accuracy can be improved.
  • the inspection process may be performed as “a post process of the attachment process and a pre process of the separation process”. In such a case, the inspection can be executed in a state where the object is not replaced, and the inspection accuracy can be improved.
  • the above inspection process may be performed as a “post process of the separation process”. In such a case, it can be confirmed at the final stage whether defective products are mixed.
  • (A) is a perspective view which shows a PTP sheet
  • (b) is a perspective view which shows a PTP film. It is a partial expanded sectional view of the pocket part of a PTP sheet.
  • FIG. It is a schematic diagram which shows a spectrum image. It is explanatory drawing for demonstrating the relationship between a conveyance direction imaging range and a spectrum image. It is explanatory drawing for demonstrating the relationship between the target object and imaging range in the conventional inspection apparatus.
  • the PTP sheet 1 has a container film 3 having a plurality of pocket portions 2 and a cover film 4 attached to the container film 3 so as to close the pocket portions 2. ing.
  • Each pocket 2 stores one tablet 5 as an object.
  • the container film 3 in the present embodiment is formed of a transparent thermoplastic resin material such as PP (polypropylene) or PVC (polyvinyl chloride), and has translucency.
  • the cover film 4 is made of aluminum.
  • the PTP sheet 1 is formed by punching a belt-like PTP film 6 [see FIG. 1B] formed from the belt-like container film 3 and the belt-like cover film 4 into a sheet shape. Manufactured.
  • the raw material of the strip-shaped container film 3 is wound in a roll shape.
  • the drawer end side of the container film 3 wound in a roll shape is guided by a guide roll 13.
  • the container film 3 is hooked on the intermittent feed roll 14 on the downstream side of the guide roll 13.
  • the intermittent feed roll 14 is connected to a motor that rotates intermittently and transports the container film 3 intermittently.
  • a heating device 15 and a pocket portion forming device 16 are arranged in this order along the conveyance path of the container film 3. And in the state which the container film 3 was heated with the heating apparatus 15 and this container film 3 became comparatively flexible, the several pocket part 2 is shape
  • the heating device 15 and the pocket portion forming device 16 constitute the pocket portion forming means in this embodiment.
  • the pocket portion 2 is formed during an interval between the container film 3 transport operations by the intermittent feed roll 14.
  • the container film 3 fed from the intermittent feed roll 14 is hung in the order of a tension roll 18, a guide roll 19, and a film receiving roll 20. Since the film receiving roll 20 is connected to a motor that rotates at a constant speed, the container film 3 is transported continuously and at a constant speed.
  • the tension roll 18 is in a state in which the container film 3 is pulled to the side where the container film 3 is tensioned by an elastic force, and prevents the container film 3 from being bent due to the difference in the transport operation between the intermittent feed roll 14 and the film receiving roll 20.
  • the container film 3 is always kept in a tension state.
  • a tablet filling device 21 is disposed between the guide roll 19 and the film receiving roll 20 along the conveyance path of the container film 3.
  • the tablet filling device 21 has a function as a filling means for automatically filling the tablet 5 in the pocket portion 2.
  • the tablet filling device 21 is configured to drop the tablets 5 by opening the shutter at predetermined intervals in synchronization with the transport operation of the container film 3 by the film receiving roll 20, and each pocket portion is accompanied by the shutter opening operation. 2 is filled with the tablet 5 (filling step).
  • An inspection device 22 is disposed between the tablet filling device 21 and the film receiving roll 20 along the conveyance path of the container film 3.
  • the inspection apparatus 22 is an inspection apparatus that performs inspection using spectroscopic analysis, and is for inspecting mixing of different varieties. Details of the inspection device 22 will be described later.
  • the raw material of the cover film 4 formed in a strip shape is wound in a roll shape on the most upstream side.
  • the drawn end of the cover film 4 wound in a roll shape is guided by the guide roll 24 and guided toward the heating roll 25.
  • the heating roll 25 can be pressed against the film receiving roll 20, and the container film 3 and the cover film 4 are fed between the rolls 20 and 25.
  • the container film 3 and the cover film 4 pass between both the rolls 20 and 25 in a heating-pressing state, the cover film 4 is stuck to the container film 3, and the pocket part 2 is block
  • the PTP film 6 as a strip
  • fine mesh-like ridges for sealing are formed, and a strong seal is realized by strongly pressing them.
  • the film receiving roll 20 and the heating roll 25 constitute the attachment means in this embodiment.
  • the PTP film 6 sent out from the film receiving roll 20 is hung in the order of the tension roll 27 and the intermittent feed roll 28. Since the intermittent feed roll 28 is connected to a motor that rotates intermittently, the PTP film 6 is intermittently conveyed.
  • the tension roll 27 is in a state in which the PTP film 6 is pulled toward the side to be tensioned by the elastic force, and prevents the PTP film 6 from being bent due to the difference in the transport operation between the film receiving roll 20 and the intermittent feed roll 28.
  • the PTP film 6 is always kept in tension.
  • the PTP film 6 sent out from the intermittent feed roll 28 is hooked in the order of the tension roll 31 and the intermittent feed roll 32. Since the intermittent feed roll 32 is connected to an intermittently rotating motor, the PTP film 6 is intermittently conveyed.
  • the tension roll 31 is in a state in which the PTP film 6 is pulled toward the side to be tensioned by an elastic force, and prevents the PTP film 6 from being bent between the intermittent feed rolls 28 and 32.
  • a slit forming device 33 and a marking device 34 are sequentially arranged along the transport path of the PTP film 6.
  • the slit forming device 33 has a function of forming a slit for separation at a predetermined position of the PTP film 6.
  • the marking device 34 has a function of marking a predetermined position (for example, a tag portion) of the PTP film 6.
  • the PTP film 6 fed from the intermittent feed roll 32 is hooked in the order of the tension roll 35 and the continuous feed roll 36 on the downstream side.
  • a sheet punching device 37 is disposed between the intermittent feed roll 32 and the tension roll 35 along the transport path of the PTP film 6.
  • the sheet punching device 37 has a function as sheet punching means (cutting means) for punching the outer edge of the PTP film 6 in units of one PTP sheet.
  • the PTP sheet 1 punched by the sheet punching device 37 is transported by the take-out conveyor 39 and temporarily stored in the finished product hopper 40 (separation process).
  • the inspection device 22 determines that the product is defective
  • the PTP sheet 1 determined to be defective is separately discharged by a defective sheet discharge mechanism (not shown) as discharge means.
  • a cutting device 41 is disposed downstream of the continuous feed roll 36. Then, the unnecessary film portion 42 constituting the remaining material portion (scrap portion) remaining in a strip shape after being punched by the sheet punching device 37 is guided to the tension roll 35 and the continuous feed roll 36 and then guided to the cutting device 41. It is burned.
  • the continuous feed roll 36 is in pressure contact with a driven roll, and performs a conveying operation while sandwiching the unnecessary film portion 42.
  • the cutting device 41 has a function of cutting the unnecessary film portion 42 into a predetermined size and scrapping. The scrap is stored in the scrap hopper 43 and then disposed of separately.
  • the rolls 14, 20, 28, 31, 32 and the like have a positional relationship in which the roll surface and the pocket portion 2 face each other, but the pocket portion 2 is formed on the surface of the intermittent feed roll 14 or the like. Since the recessed part accommodated is formed, the pocket part 2 is not crushed. Further, the feeding operation is performed while the pocket portion 2 is accommodated in each recess such as the intermittent feeding roll 14, so that the intermittent feeding operation and the continuous feeding operation are reliably performed.
  • FIG. 4 is a block diagram showing an electrical configuration of the inspection apparatus 22
  • FIG. 5 is a perspective view schematically showing an arrangement configuration of the inspection apparatus 22. As shown in FIG.
  • the inspection device 22 performs various controls, image processing, calculation processing, and the like in the inspection device 22 such as drive control of the illumination device 52, the imaging device 53, the illumination device 52 and the imaging device 53. And a control processing device 54 to be implemented.
  • the illumination device 52 and the imaging device 53 are arranged on the pocket portion 2 opening side of the container film 3. That is, in this embodiment, a different kind mixing inspection is performed from the pocket part 2 opening side of the container film 3 in the stage before the cover film 4 is attached.
  • the illumination device 52 is a known device configured to be able to irradiate near-infrared light, and constitutes an irradiation means in the present embodiment.
  • the illuminating device 52 is arrange
  • a halogen lamp is employed as a light source capable of emitting near-infrared light having a continuous spectrum (for example, a near-infrared region having a wavelength of 700 to 2500 nm).
  • a deuterium discharge tube, a tungsten lamp, a xenon lamp, or the like can be used as the light source.
  • the image pickup apparatus 53 includes an optical lens 61, a two-dimensional spectroscope 62 as a spectroscopic means, and a camera 63 as an image pickup means.
  • the optical lens 61 is composed of a plurality of lenses (not shown) and the like, and is configured so that incident light can be collimated.
  • the optical lens 61 is set so that incident light can be imaged at a position of a slit 62a of a two-dimensional spectroscope 62 described later.
  • a double-sided telecentric lens is adopted as the optical lens 61 is shown, but an image-side telecentric lens may naturally be used.
  • the two-dimensional spectroscope 62 includes a slit 62a, an incident side lens 62b, a spectroscopic unit 62c, and an output side lens 62d.
  • the spectroscopic unit 62c includes an incident side prism 62ca, a transmissive diffraction grating 62cb, and an output side prism 62cc.
  • the light that has passed through the slit 62a is collimated by the incident side lens 62b, then is split by the spectroscopic unit 62c, and is output to the imaging element 63a of the camera 63, which will be described later, by the output side lens 62d.
  • the image is formed as (spectral spectrum).
  • the slit 62a is formed in an elongated and substantially rectangular shape (line shape), its width direction (short direction) is disposed along the film transport direction (X direction) of the container film 3, and its longitudinal direction is the transport direction. It arrange
  • the camera 63 includes an imaging element 63a having a light receiving surface in which a plurality of light receiving elements are two-dimensionally arranged.
  • a CCD area sensor having sufficient sensitivity for a wavelength range of, for example, a wavelength of 900 to 1700 nm in the near infrared region is employed as the image sensor 63a.
  • the imaging device is not limited to this, and other sensors having sensitivity in the near infrared region may be adopted.
  • a CMOS sensor, an MCT (HgCdTe) sensor, or the like may be employed.
  • the visual field region of the imaging device 53 is a linear region extending along the film width direction (Y direction) and includes at least the entire region of the container film 3 in the film width direction (see the two-dot chain line portion in FIG. 5). ).
  • the visual field region of the imaging device 53 in the film transport direction (X direction) is a region corresponding to the width W (see FIG. 9) of the slit 62a. That is, this is a region where the light passing through the slit 62a forms an image on the light receiving surface of the image sensor 63a.
  • each light receiving element of the imaging element 63a receives the spectrum of the reflected light (light of each wavelength) reflected at each position in the film width direction (Y direction) of the container film 3. Then, a signal corresponding to the intensity of light received by each light receiving element is output to the control processing device 54.
  • the control processing device 54 is an input device 72 as “input means” composed of a CPU and an input / output interface 71 (hereinafter referred to as “CPU etc. 71”), a keyboard, a mouse, a touch panel, etc.
  • a display device 73 as a “display unit” having a display screen such as a CRT or a liquid crystal, an image data storage device 74 for storing various image data, an arithmetic result storage device 75 for storing various arithmetic results,
  • a setting data storage device 76 for storing various kinds of information in advance is provided. These devices 72 to 76 are electrically connected to the CPU 71 or the like.
  • the CPU 71 is connected to the PTP packaging machine 10 so that various signals can be transmitted and received. Thereby, for example, the defective sheet discharge mechanism of the PTP packaging machine 10 can be controlled.
  • the image data storage device 74 includes spectral image data captured by the imaging device 53, spectral image data acquired based on the spectral image data, binarized image data after binarization processing, and after differential processing. This is for storing differential image data and the like.
  • the operation result storage device 75 stores inspection result data, statistical data obtained by probabilistically processing the inspection result data, and the like. These inspection result data and statistical data can be appropriately displayed on the display device 73.
  • the setting data storage device 76 stores, for example, loading vectors and determination ranges used for principal component analysis, shapes and dimensions of the PTP sheet 1, the pocket portion 2, and the tablet 5.
  • This routine is a process that is repeatedly executed every time the container film 3 is conveyed by a predetermined amount.
  • step S01 first, the control processing device 54 irradiates near-infrared light from the illumination device 52 to the continuously transported container film 3 (tablet 5) (irradiation process), while the imaging processing (exposure processing) by the imaging device 53 is performed. ).
  • control processing device 54 drives and controls the imaging device 53 based on a signal from an encoder (not shown) provided in the PTP packaging machine 10, and spectral image data captured by the imaging device 53 is stored in an image data storage device 74.
  • the processing function of the control processing device 54 that controls the timing constitutes the imaging timing control means in the present embodiment.
  • FIG. 9 is an explanatory diagram for explaining the relationship between the imaging cycle T and the size of the tablet 5.
  • L 0 T ⁇ V (2)
  • V Conveying speed of container film 3 (tablet 5)
  • R Diameter of tablet 5
  • W width of the slit 62a (“W” is the width of the slit 62a when the optical lens 61 is a double-sided telecentric lens; otherwise, for example (in the case of an image side telecentric lens), the slit in the transport direction )
  • L 0 transport amount of the container film 3 (tablet 5) transported during one imaging cycle
  • Li A transport amount of the container film 3 (tablet 5) transported during the interval between the image capturing process and the image capturing process.
  • the reflected light reflected in the conveyance direction imaging range D during the imaging process execution period (exposure period t e ) in step S01 is reflected. Incident on the imaging device 53.
  • the reflected light incident on the imaging device 53 is dispersed by the two-dimensional spectroscope 62 (spectral process) and captured as a spectral image (spectral spectrum) by the imaging element 63a of the camera 63 (imaging process).
  • the container film 3 (tablet 5) is continuously conveyed during the execution period (exposure period t e ) of the imaging process, the averaged spectral spectrum of the conveyance direction imaging range D is imaged here. Become.
  • the spectral image data captured by the imaging device 53 is output to the control processing device 54 during the interval period t i and stored in the image data storage device 74.
  • control processing device 54 starts the data generation process in step S02.
  • spectrum data is generated based on the spectral image data acquired in step S01.
  • the spectrum data is stored in the image data storage device 74, and this routine is terminated once.
  • This process corresponds to the spectrum data acquisition process in the present embodiment, and the spectrum data acquisition means in the present embodiment is configured by the processing function of the control processing device 54 that executes the process.
  • the transport direction imaging range D is intermittently relatively moved, and the spectrum data acquisition routine is repeated.
  • the image data storage device 74 sequentially stores the spectral data corresponding to the imaging direction D in the transport direction together with the position information in the film width direction in time series.
  • a two-dimensional spectrum image G having spectrum data for each pixel is generated (see FIG. 11).
  • the spectrum image G is image data in which a plurality of pixels Ga are two-dimensionally arranged.
  • Each pixel Ga includes spectral data (data indicating spectral intensities at a plurality of wavelengths or wavelength bands).
  • control processing device 54 executes an inspection routine.
  • the inspection routine is repeatedly performed every time a spectrum image G in a range corresponding to one PTP sheet 1 is acquired.
  • step S11 the control processing device 54 extracts a pixel corresponding to the tablet 5 from each pixel Ga of the spectrum image G, that is, a pixel (target pixel) Gb to be analyzed.
  • the binarization process is performed on the spectrum image G. Then, the target pixel Gb is extracted based on the obtained binarized image data (see FIGS. 11 and 12).
  • FIG. 12 is an explanatory diagram for explaining the relationship between the conveyance direction imaging range D and the spectrum image G.
  • the pixel extracted as the target pixel Gb is indicated by hatching.
  • the pixel extraction method is not limited to this, and other methods may be adopted.
  • the integrated value of spectrum data may be calculated for each pixel Ga, and the target pixel Gb may be extracted by determining whether or not the value is equal to or greater than a predetermined threshold.
  • step S12 the control processing device 54 performs a grouping process on the target pixel Gb obtained in step S11.
  • all adjacent target pixels Gb are set as one group.
  • a pixel included in a predetermined range centered on a specific pixel with respect to a specific pixel may be determined to be in the same group as the specific pixel.
  • the target pixel Gb grouped into one is handled as the target pixel Gb related to the same tablet 5 (see FIGS. 11 and 12).
  • the grouped target pixels Gb are surrounded by a thick frame.
  • step S13 the control processing device 54 calculates spectrum data related to the tablets 5 corresponding to the group based on the spectrum data of the target pixel Gb grouped in step S12.
  • all the spectrum data of the grouped target pixels Gb are used to obtain the average value, and this is calculated as the spectrum data related to the tablet 5.
  • one or more target pixels Gb may be extracted from the grouped target pixels Gb, and the spectrum data of the target pixels Gb may be calculated as the spectrum data related to the tablet 5.
  • control processing device 54 executes an analysis process in step S14.
  • Such processing corresponds to the analysis step in the present embodiment, and the analysis means in the present embodiment is configured by the function of the control processing device 54 that executes such processing.
  • PCA principal component analysis
  • step S15 the control processing device 54 performs a determination process for determining whether the target tablet 5 is a non-defective product (same product type) or a defective product (different product type). More specifically, the principal component score calculated in step S14 is plotted on a PCA diagram. If the plotted data is within a preset good product range, the product is non-defective (same product type). ).
  • step S15 the series of processing in step S15 is performed for all tablets 5 on the PTP sheet 1, and when there is no “bad” tablet 5, the PTP sheet 1 is treated as a non-defective product. Is determined (step S16), and this routine is terminated. On the other hand, if there is at least one tablet 5 that is “defective”, the PTP sheet 1 is determined to be defective (step S17), and this routine is terminated. These inspection results are output to the display device 73 and the PTP packaging machine 10 (including the defective sheet discharge mechanism).
  • the transport direction imaging range D that can be imaged by one imaging process is set to the slit width W or more. And the number of times of imaging for acquiring spectral data necessary for spectroscopic analysis can be reduced.
  • the spectrum of the tablet 5 is imaged at least once without being affected by the background regardless of the position of the tablet 5 in the pocket 2. be able to.
  • the imaging process is performed while the tablet 5 is being conveyed, the spectrum for each measurement point is integrated, and the predetermined imaging range is averaged without performing an arithmetic process afterwards. A spectrum can be acquired.
  • the object is the tablet 5
  • the type, shape, etc. of the object are not particularly limited, and examples thereof include capsules, supplements, foods, and the like. May be. Tablets include solid preparations such as plain tablets and sugar-coated tablets.
  • the container film 3 is formed of a transparent thermoplastic resin material such as PP, and the cover film 4 is formed of aluminum.
  • the material of each film 3 and 4 is not limited to these, You may employ
  • the container film 3 may be formed of a metal material mainly made of aluminum, such as an aluminum laminate film.
  • the arrangement and the number of pocket portions 2 in the PTP sheet 1 are not limited to the above-described embodiment, and include various arrangements and numbers including, for example, a type having three rows and 12 pocket portions.
  • a PTP sheet can be employed.
  • the inspection apparatus 22 performs the inspection from the container film 3 side of the PTP film 6. It is good also as a structure by which a different kind mixing inspection is performed.
  • a different product mixing inspection by the inspection device 22 may be performed from the container film 3 side of the PTP sheet 1 conveyed by the take-out conveyor 39.
  • the configuration of the illumination device 52 and the imaging device 53 is not limited to the above embodiment.
  • a reflection type diffraction grating, a prism, or the like may be adopted as the spectroscopic means.
  • the spectral data is analyzed by principal component analysis (PCA).
  • PCA principal component analysis
  • the present invention is not limited to this, and other known methods such as PLS regression analysis may be used. Good.
  • the inspection device 22 is provided in the PTP packaging machine 10 (inline). Instead, the PTP sheet 1 is taken off-line separately from the PTP packaging machine 10. It is good also as a structure provided with the test
  • the exposure period t e is the execution period of imaging processing, especially is not mentioned, the container film 3 2 pixels of the image pickup element 63a of the conveyance amount (tablet 5) of at least a camera 63 It is preferable to have a configuration in which the imaging process is continuously executed during the above.

Abstract

L'invention concerne un dispositif d'inspection, une machine de conditionnement PTP et un procédé de fabrication de feuille PTP qui permettent d'augmenter la vitesse d'inspection de l'inclusion accidentelle d'un type incorrect de produit, qui utilise une analyse spectrale. Ledit dispositif d'inspection (22) inspecte l'inclusion d'un type incorrect de produit et comprend : un dispositif d'éclairage (52) permettant d'irradier une lumière proche infrarouge sur un comprimé (5) inséré dans une partie poche (2) d'un film récipient transporté (3), un dispositif d'imagerie (53) permettant de diffracter la lumière proche infrarouge réfléchie par le comprimé (5) et de capturer une image spectrale de la lumière réfléchie et un dispositif de traitement de commande permettant d'acquérir des données spectrales en fonction de l'image spectrale capturée par le dispositif d'imagerie (53) et de mettre en œuvre un traitement d'analyse prescrit en fonction des données spectrales.
PCT/JP2017/034514 2017-03-23 2017-09-25 Dispositif d'inspection, machine de conditionnement ptp et procédé de fabrication de feuille ptp WO2018173334A1 (fr)

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JP2017-057719 2017-03-23
JP2017057719A JP6448697B2 (ja) 2017-03-23 2017-03-23 検査装置、ｐｔｐ包装機及びｐｔｐシートの製造方法

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WO2018173334A1 true WO2018173334A1 (fr) 2018-09-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112639446A (zh) * 2018-09-28 2021-04-09 Ckd株式会社 检查装置、ptp包装机和ptp片的制造方法
CN112673249A (zh) * 2018-10-10 2021-04-16 Ckd株式会社 检查装置、ptp包装机和ptp片的制造方法

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CN112673249A (zh) * 2018-10-10 2021-04-16 Ckd株式会社 检查装置、ptp包装机和ptp片的制造方法

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