CN104634738A - Inspection device and PTP packaging machine - Google Patents
Inspection device and PTP packaging machine Download PDFInfo
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- CN104634738A CN104634738A CN201410102629.7A CN201410102629A CN104634738A CN 104634738 A CN104634738 A CN 104634738A CN 201410102629 A CN201410102629 A CN 201410102629A CN 104634738 A CN104634738 A CN 104634738A
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Abstract
The invention provides an inspection device and a PTP packaging machine. The inspection device can be used to improve the precision of the pore inspection. The inspection device comprises illumination devices (22A,22B),which can be used to irradiate the light on a container film (3) in a state before the accommodation of a troche in a pocket part (2); cameras (23A,23B), which are disposed on the opposite sides of the illumination devices (22A,22B), and are separated by the container film (3); a condensation film (59), which is disposed between the container film (3) and the cameras (12A,23B), and can be used to guide the incident light irradiating from the illumination devices (22A,22B) through the container film (3), and then can be used to change the direction of the incident light to output along the optical axis (L1) of the cameras (23A,23B); an image processing mechanism, which can be used to process the image output by the cameras (23A,23B). The image processing mechanism can be used to detect the light through the container film (3) and the condensation film (59) based on the image data acquired from the image signals, and therefore the pores (50A,50B) in the container film (3) can be detected.
Description
Technical field
The present invention relates to following technical field, this technical field comprises: the testing fixture used in the manufacture of PTP sheet and the PTP packaging machine with this testing fixture.
Background technology
PTP sheet is made up of container film and cover film, and this container film is formed with the pocket portion being carried out by the contents of tablet etc. filling, and this cover film is installed on this container film in the mode open side in pocket portion sealed.
In when the shaping in the pocket portion of container film etc., have the hole that is referred to as pore through situation.Thus, when manufacturing PTP sheet, the pore inspection of examinations pore after pocket portion is shaped.
In this pore checks, the following method of general employing, that is, adopt irradiation means to irradiate light, by making a video recording through light camera by pore to container film.
Such as, make a video recording to the light being projected in screen by pore, detecting the method for pore etc. is thus public domain (for example, referring to patent documentation 1).
Prior art
[patent documentation]
[patent documentation 1] Japanese Unexamined Patent Publication 4-309849 publication
Summary of the invention
[inventing the technical matters that will solve]
But, in above-mentioned known inspection method, because be the light be projected on screen of making a video recording, so do not have enough light quantities to arrive camera, have the danger that cannot detect pore.Particularly, from the pore of the side surface part institute opening in pocket portion through auroral poles difficulty be detected.
On the other hand, also consider to have the method etc. of following detection pore, it is by the stage such as after filling tablet to pocket portion, makes a video recording by pore and with the light after tablet surface scattering.
But, utilizing in the inspection method of filling rear tablet, except worrying the problem that can not detect pore existing bottom pocket portion, also worry that following grade cannot detect the problem of pore according to occasion difference, namely, in pore existing in the side surface part in pocket portion, according to the relation of the aperture position of the pore in the side surface part in the size of the degree of depth in pocket portion, tablet, pocket portion etc., pore can be covered by tablet or is not irradiated on tablet by the light of pore.
Even if the pore existing for the side surface part in pocket portion do not occur by tablet situation about covering etc., in light by this pore for the scattering of tablet surface institute, also have a large amount of light and do not reach camera, therefore, there is the danger that the detection identical with above-mentioned known inspection method becomes difficulty.
The present invention makes in view of the foregoing, and its object is to provides a kind of testing fixture and PTP packaging machine, and this testing fixture and PTP packaging function seek the inspection precision etc. improving pore inspection.
[solving the means of problem]
Below, to solving above-mentioned problem, applicable each scheme subitem is described.Again, as required, distinctive action effect is had to corresponding scheme remarks.
Scheme 1. 1 kinds of testing fixtures, use when the manufacture of PTP sheet, when manufacturing this PTP sheet, in the pocket portion on the container film being formed at the band shape be transported, being accommodated with contents, being provided with cover film in the mode covering this pocket portion,
This testing fixture has: irradiation means, and this irradiation means irradiates the light of regulation to being in the said vesse film above-mentioned contents being accommodated in the stage condition before above-mentioned pocket portion;
Image mechanism, this image mechanism is arranged at the opposition side of above-mentioned irradiation means in the mode of interval said vesse film;
Optically focused mechanism, this optically focused organization establishes is between said vesse film and above-mentioned image mechanism, and by irradiating from above-mentioned irradiation means and carrying out incidence by the light of said vesse film, convert the direction of the light after this incidence afterwards, then along above-mentioned image mechanism optical axis direction and penetrate;
Image procossing mechanism, this image procossing mechanism processes the picture signal exported from above-mentioned image mechanism,
Wherein, the light by said vesse film and above-mentioned optically focused mechanism, based on the view data obtained from above-mentioned picture signal, detects in above-mentioned image procossing mechanism, thus can detect that the mode of the pore existing for said vesse film is formed.
According to such scheme 1, fill the last stage of contents in the pocket portion of respective container film, pore inspection can be implemented.
In this inspection, if there is the occasion of pore in container film, the light that have passed pore irradiated by irradiation means, by optically focused, mechanism makes a video recording with image mechanism.And the view data that image procossing mechanism obtains based on image mechanism, can detect the pore existing for container film.
Now, in optically focused mechanism, the optical axis direction of relative camera structure in the light being incident in self and the light of oblique incidence, its direction transformation is that the optical axis direction of image mechanism is penetrated.
Thus, abundant light quantity can not be obtained and the pore of the side surface part in pocket portion of detection difficult institute opening can be detected all the time.As a result, the inspection precision improving pore inspection can be sought.
And then the pore of the bottom in pocket portion and side institute opening can be detected simultaneously, can seek to improve checking efficiency.
And, compared with the structure of pocket portion being carried out respectively check, can at a high speed and continuously conveying containers film, check the relative broad range comprising multiple pocket portion on one side simultaneously, thus, can seek to improve checking efficiency further.
Again, as an example of " optically focused mechanism ", " concentration piece (prismatic lens) can be exemplified, to irradiate from above-mentioned irradiation means and the plane of incidence through the concentration piece of the light of said vesse film in incidence, and while setting multiple convex strip portions (cross section be the convex strip portions etc. of semi-circular shape for triangle or cross section), the outgoing plane of the concentration piece of injection light is formed as flat condition ", " concentration piece, the plane of incidence of injection from above-mentioned irradiation means irradiation and through the light concentration piece of said vesse film, embark on journey and arrange teat (pyramid-shaped in column-like manner, coniform or hemispheric teat etc.) while, the outgoing plane of the concentration piece of injection light is formed as flat condition ", these concentration piece is carried out the mechanism etc. of multiple coincidence.
The testing fixture of scheme 2. according to scheme 1, is characterized in that, said vesse film is the resin material structure with light transmission, and above-mentioned irradiation means is formed in the mode can irradiated as the ultraviolet light of afore mentioned rules light.
It is the occasion of the resin material structure with light transmission at container film, if form the structure of irradiating visible ray from irradiation means, then be not only the light through pore, cause the visible ray through container film normal part also can be caught on camera mechanism made a video recording, have the danger that suitablely can not detect pore.
To this, according to such scheme 2, relatively have the resin material of light transmission, ultraviolet light transmittance compared with visible ray is low, is difficult to through container film normal part, thus, in fact through position be only air cap, the generation of above-mentioned not good situation can be suppressed.
But, in the occasion of ultraviolet light, be there is the danger tailed off by the light quantity being in more than visible ray of pore, therefore under the structure of this programme 2, more can play the action effect of such scheme 1.
The testing fixture of scheme 3. according to scheme 1 or 2, is characterized in that, above-mentioned irradiation means has diffusion mechanism, and the light launched from regulation light source spreads by this diffusion mechanism.
According to such scheme 3, by diffusion light is irradiated on container film, the pore of the side surface part being opened on pocket portion can be made easily through light, therefore, pore can be detected more easily.
Scheme 4. 1 kinds of PTP packaging machines, is characterized in that, have the testing fixture described in any one in scheme 1 ~ 3.
As described in such scheme 4, owing to there is PTP packaging machine in above-mentioned testing fixture, therefore there is the advantages such as following, unacceptable product can be removed efficiently in the manufacture process of PTP sheet.
Generally, PTP packaging machine has: pocket portion formation mechanism, and the container film that this pocket portion formation mechanism is transported with band shape relatively forms pocket portion; Filling mechanism, contents are filled in the relatively above-mentioned pocket portion of this filling mechanism; Installing mechanism, this installing mechanism is to cover the mode in this pocket portion, and relative said vesse film is provided with banded cover film; Sheet punching mechanism, this sheet punching mechanism with PTP sheet unit the die-cut PTP film being provided with the band shape of above-mentioned cover film to said vesse film.Again, PTP packaging machine has output mechanism, according to above-mentioned testing fixture, this output mechanism will be judged as that underproof PTP sheet is discharged.
Scheme 5, a kind of PTP packaging machine, it has the testing fixture in scheme 1 ~ 3 described in any one, wherein, as above-mentioned optically focused mechanism, there is concentration piece, this concentration piece incidence to irradiate from above-mentioned irradiation means and through the plane of incidence of the above-mentioned concentration piece of the light of said vesse film and while setting multiple convex strip portions (cross section be the convex strip portions etc. of semi-circular shape for triangle or cross section), the outgoing plane of the above-mentioned concentration piece of injection light is formed as flat condition
The length direction of the convex strip portions of above-mentioned each concentration piece of above-mentioned each testing fixture be configured at above-mentioned each testing fixture towards in different mode.
As described above and establish the occasion of the concentration piece of multiple projecting strip part, such as, along the light etc. of the length direction incidence of projecting strip part because it is towards reason, following danger can be produced, namely, can not to irradiate from above-mentioned irradiation means and light through said vesse film is incident efficiently, and to penetrate along the optical axis direction of image mechanism.
To this, according to such scheme 5, the basis producing the action effect identical with such scheme 4 also possesses multiple testing fixture, the length direction of the convex strip portions of the concentration piece of this each testing fixture be configured at each testing fixture towards in different mode.
Thus, even if above-mentioned underproof situation occurs hypothesis testing fixture, and pore can not be detected, in other pick-up unit, also can detect pore.As its result, can seek to improve accuracy of detection.
Accompanying drawing explanation
Fig. 1 is the skeleton diagram of the general configuration representing PTP packaging machine.
Fig. 2 (a) is for representing the stereographic map of PTP sheet, and Fig. 2 (b) is the partial magnified sectional view in the pocket portion representing PTP sheet.
Fig. 3 is the sectional skeleton diagram of the general configuration representing testing fixture.
Fig. 4 is the block scheme of the circuit structure representing testing fixture.
Fig. 5 is the process flow diagram representing checking process.
The part amplification stereogram that Fig. 6 (a) is concentration piece; The part amplification stereogram of the concentration piece of the embodiment that Fig. 6 (b), Fig. 6 (c) are other.
Embodiment
Below, with reference to while accompanying drawing, an embodiment is described.First, the structure of the PTP sheet as check object is described in detail.
As shown in Fig. 2 (a), Fig. 2 (b), PTP sheet 1 has: container film 3, and this container film 3 has multiple pocket portion 2; Cover film 4, this cover film 4 is installed on container film 3, for covering pocket portion 2.Accommodate in each pocket portion 2 one by one as the tablet 5 of contents.
In the container film 3 of present embodiment, formed by the water white thermoplastic resin material of such as PP (polypropylene), PVC (Polyvinylchloride) etc., there is light transmission.On the other hand, cover film 4 is formed by aluminium material.
Then, the general configuration of the PTP packaging machine 7 manufacturing above-mentioned PTP film 1 is described with reference to Fig. 1.
As shown in Figure 1, in PTP packaging machine 7, the container film 3 of the band shape of drawing from the stock roll of web-like is directed to film outlet roller 11 by idler roller 9,10.
Heating arrangement 12 and pocket portion forming apparatus 13 is equipped between two idler rollers 9,10.
At this, the heating container film 3 according to heating arrangement 12, this container film 3, under soft state, forms multiple pocket portion 2 according to pocket portion forming apparatus 13 in the assigned position of container film 3.According to heating arrangement 12 and pocket portion forming apparatus 13, form the pocket portion formation mechanism in present embodiment.
And then the container film 3 sent from film outlet roller 11 is directed to film accepted roll 18.
Be equipped with tablet filling device 14 between film outlet roller 11 and film accepted roll 18, this tablet filling device 14 is as the filling mechanism of filling tablet 5 to pocket portion 2.
On the one hand, the cover film 4 of the band shape of drawing from the stock roll of web-like is directed to film accepted roll 18 by idler roller 16,17.Film accepted roll 18 can crimp with warm-up mill 19, can send into container film 3 and cover film 4 between two rollers 18,19.
Container film 3 and cover film 4 pass through to heat crimped status between film accepted roll 18 and warm-up mill 19, thus respective container film 3 and mounting cup film 4, pocket portion 2 is in capped state according to cover film 4.The mounting frame of present embodiment is formed according to film accepted roll 18 and warm-up mill 19.
Thus, manufacture and tablet 5 is filled in each pocket portion 2 and the PTP film 20 of the band shape obtained.And banded PTP film 20 is punched to sheet according to not shown sheet blanking units (sheet punching mechanism), manufacture PTP sheet 1 thus.
So, it is such that the general configuration of PTP sheet packaging machine 7 is as above recorded, but in PTP sheet packaging machine 7, the last stage of filling tablet 5 after pocket portion 2 is formed and to this pocket portion 2 is provided with testing fixture.Judge the occasion of unacceptable product according to this testing fixture, this PTP sheet 1 being judged as unacceptable product sheet die-cut after, be discharged according to defective not shown output mechanism (output mechanism).
The testing fixture of this form of implementation is carry out the testing fixture that the pore be present in container film 3 is detected as fundamental purpose, is made up of the first testing fixture 21A and the second testing fixture 21B.Specifically, along the conveying channel of container film 3, side configuration the 1st testing fixture 21A at its upstream, at its downstream configuration the 2nd testing fixture 21B.
Below, be described in detail with reference to Fig. 3, Fig. 4 structure to testing fixture 21A, 21B.
1st testing fixture 21A has: as the lighting device 22A of the 1st irradiation means; As the camera 23A of the 1st image mechanism; As the image processing apparatus 24A of the 1st image procossing mechanism; Monitor 25A and keyboard 26A etc.
Equally, the 2nd testing fixture 21B has: as the lighting device 22B of the 2nd irradiation means; As the camera 23B of the 2nd image mechanism; As the image processing apparatus 24B of the 2nd image procossing mechanism; Monitor 25B and keyboard 26B etc.
First, be described in detail about lighting device 22A, 22B.Lighting device 22A, 22B in this form of implementation are configured at the outstanding side in the pocket portion 2 of container film 3.
Lighting device 22A, 22B have: LED installation base plate 57; As the diffuser plate 58 of diffusion mechanism covering installation base plate 57, can the mode of face luminescence be formed.
In LED installation panel 57, configure multiple LED57a as light source, it can irradiate the ultraviolet light (ultraviolet) of the light as regulation.
Again, each camera 23A, 23B are arranged at the opposition side of each lighting device 22A, 22B in the mode of each container film in interval 3.In the present embodiment, camera 23A, 23B at least adopts the CCD camera to ultraviolet-sensitive.
Accordingly, in the ultraviolet light irradiated from each lighting device 22A, 22B, the ultraviolet light through container film 3 is made a video recording with each camera 23A, 23B.
And the view data of making a video recording according to each camera 23A, 23B is digital signal in each camera 23A, 23B internal conversion, and, be imported into each image processing apparatus 24A, 24B with the form of digital signal.
Each image processing apparatus 24A, 24B as shown in Figure 4, are made up of following: video memory 41A, the 41B corresponding respectively with each camera 23A, 23B; Means for screening 42A, 42B; Binaryzation mechanism 43A, 43B; Judge with storer 44A, 44B; Check result and statistics storer 45A, 45B; Camera timing control mechanism 46A, 46B; And CPU and I/O Interface 47A, 47B, aftermentioned such image real time transfer, defective judgement (inspection) etc. can be implemented.
The view data of making a video recording with each camera 23A, 23B, after being converted to digital signal, is stored in each self-corresponding each video memory 41A, 41B.Again, each view data check time, after carrying out covering process according to each means for screening 42A, 42B, again be stored in each video memory 41A, 41B, equally, after binarized according to each binaryzation mechanism 43A, 43B, each video memory 41A, 41B is again stored in.
Each CPU and I/O Interface 47A, 47B using the storage content of each judgement storer 44A, 44B while when carrying out various handling procedure, to PTP packaging machine 7 sending control signal or the various signals from PTP packaging machine 7 transmission and reception actuating signal etc.Accordingly, such as, can the defective output mechanism etc. of control PTP packaging machine 7.
Again, CPU and I/O Interface 47A, 47B have the function sending display data to each monitor 25A, 25B.According to this function, various view data or testing result etc. can be presented at each monitor 25A, 25B.And then CPU and I/O Interface 47A, 47B also have the function of input from the data of keyboard 26A, 26B.
Following data store by check result and statistics storer 45A, 45B, and these data comprise: about the data of the coordinate etc. of view data, inspection result data and the statistics etc. this inspection result data being carried out processing with probability statistics and obtain.These inspection result data and statistics, based on the control of CPU and I/O Interface 47A, 47B, can show each monitor 25A, 25B aptly.Again, based on these testing result data or statistics, CPU and I/O Interface 47A, 47B can to PTP packaging machine 7 sending control signals.
Camera timing control mechanism 46A, 46B will control the following moment, and the view data of making a video recording by each camera 23A, 23B imports to the moment of each video memory 41A, 41B.This moment is controlled based on the signal from not shown scrambler set by PTP packaging machine 7, is made a video recording by container film 3 according to each ormal weight with the sheet unit of each camera 23A, 23B (such as die-cut PTP sheet unit).
And then, as shown in Fig. 3 etc., in testing fixture 21A, 21B of present embodiment, be provided as the concentration piece 59 of optically focused mechanism respectively, this concentration piece 59 is arranged at: the container film 3 in the top position of lighting device 22A, 22B and each between camera 23A, 23B.
The prismatic lens that concentration piece 59 is in the present embodiment made up of transparent material is formed.In more detail, concentration piece 59 has: in the face of container film 3 plane of incidence 59a, be positioned at camera 23A, 23B side of this opposition side outgoing plane 59b (with reference to Fig. 6 (a)).
Outgoing plane 59b is formed with flat condition, meanwhile, plane of incidence 59a is set side by side with along prescribed direction the projecting strip part 59c that multiple cross section is triangle.And this concentration piece 59 configures in the following manner, that is, the normal direction of outgoing plane 59b is made to configure along optical axis L 1 direction of each camera 23A, 23B.
Accordingly, concentration piece 59 is constructed as follows, and incidence is irradiated from lighting device 22A, 22B and passed through the light of container film 3, is converted in the direction of the light after this incidence, can penetrate along the direction of the optical axis L 1 of camera 23A, 23B.
Such as, about the light (G2 etc. with reference to Fig. 3) of the optical axis L 1 direction oblique incidence to camera 23A, 23B in the light incided after concentration piece 59, in the internal reflection of concentration piece 59 or refraction etc., it penetrates towards optical axis L 1 direction being transformed to camera 23A, 23B simultaneously.
But the concentration piece 59 in the 1st testing fixture 21A of upstream side configures along following direction, that is, the length direction of the projecting strip part 59c of plane of incidence 59a configures along the X-direction of the film carriage direction as container film 3.On the other hand, the concentration piece 59 being arranged in the 2nd testing fixture 21B in downstream configures along following direction, that is, the length direction of the projecting strip part 59c of plane of incidence 59a configures along the Y direction of the film Width as container film 3.
Then, with reference to the process flow diagram etc. of Fig. 5, the order of the pore inspection carried out according to testing fixture 21A, 21B is described.
First, in step S101, to container film 3 from lighting device 22A (22B) irradiating ultraviolet light, the container film 3 irradiated by this ultraviolet light is made a video recording by camera 23A, 23B by concentration piece 59.Accordingly, the inspection depth image of the container film 3 of each as check object is obtained.
In step s 102, these binary image data for benchmark carries out binaryzation, are stored into video memory 41A (41B) with the threshold value of regulation by the depth view data obtained in step S101.
In step s 103, the binary image data obtained according to step S102 carry out block process.According to this process, there is the pixel portion exceeding defined threshold brightness and determined as the position corresponding to pore 50A, 50B (with reference to Fig. 3).
In step S104, differentiate the presence or absence of the block determined according to step S103.At this, if it is determined that there is no block (not having pore) for the field of every a slice, then obtain in step S105 the conclusion being judged to be certified products, terminate present treatment.On the other hand, if it is determined that for there being block (having pore), then obtaining in step S106 the conclusion being judged to be unacceptable product, terminate present treatment for the time being.These check results export to monitor 25A (25B) or PTP packaging machine 7 (comprising defective output mechanism).
As set forth in more detail above, in the present embodiment, when checking in the filling advance promoting the circulation of qi hole of tablet 5, under bottom 2a, the side surface part 2b in pocket portion 2 exist the occasion of pore 50A, 50B, incident to concentration piece 59 by light G1, G2 of this pore 50A, 50B.
In concentration piece 59, about the light contrasting the optical axis L 1 direction oblique incidence of camera 23A (23B) incided in light G1, G2 of concentration piece 59 self, it carries out converting towards optical axis L 1 direction contrasting camera 23A (23B) and is penetrated.
And the light penetrated from concentration piece 59 is made a video recording by camera 23A (23B) and obtains view data, according to this view data, detects pore 50A, 50B with image processing apparatus 24A (24B).
Accordingly, sufficient light quantity cannot be obtained all the time, the pore 50B of side 2b institute opening in pocket portion 2 of detection difficult can be detected.As a result, the inspection precision improving pore inspection can be sought.
And then pore 50A, 50B of bottom 2a, the side surface part 2b institute opening in pocket portion 2 can be detected simultaneously, can seek to improve checking efficiency.
And, and can carry out compared with the structure that checks individually to pocket portion 2, can high speed and conveying containers film 3 continuously, can the relative broad range comprising multiple pocket portion 2 be checked simultaneously meanwhile, therefore can seek to improve checking efficiency further.
Again, in the present embodiment, relatively according to the container film 3 that the resin material with light transmission is formed, the structure from lighting device 22A, 22B irradiating ultraviolet light is formed.
In the occasion that container film 3 is formed with the resin material with light transmission, if form the structure of irradiating visible ray from lighting device 22A, 22B, then be not only the light through pore 50A, 50B, through the general part of container film 3 visible ray also by camera 23A, 23B make a video recording, therefore there is pore 50A, 50B cannot by the danger compatibly detected.
For the resin material with light transmission, compare visible ray, the transmittance of ultraviolet light is low, be difficult to the general part through container film 3, therefore according to the present embodiment, essentially by position be only pore 50A, 50B, the generation of above-mentioned not good situation can be suppressed.
But, in the occasion of ultraviolet light, there is the danger that the light quantity being in more than visible ray through pore 50A, 50B tails off, therefore under this structure, utilize the structure of above-mentioned concentration piece 59 more can play effect.
And then, in the present embodiment, the concentration piece 59 of the concentration piece 59 being arranged in the 1st testing fixture 21A of upstream side, the 2nd testing fixture 21B being arranged in downstream configures in the following manner, that is, make the different towards difference of the length direction of the convex strip portions 59c of plane of incidence 59a.
As described above, multiple convex strip portions 59c arranged side by side and obtain the occasion of concentration piece 59, there is following danger, such as, along the length direction of convex strip portions 59c and the light etc. entering to shine, according to its towards and cannot by incident efficiently by light G1, G2 of pore 50A, 50B, and along camera 23A, 23B optical axis L 1 and penetrate.
To this, according to the present embodiment, by possessing testing fixture 21A, 21B of two, even if if there is above-mentioned not good situation in a testing fixture 21A, and then pore 50A, 50B cannot be detected, then in other testing fixture 21B, also can detect pore 50A, 50B.As a result, the raising checking precision can be sought.
Again, be not limited to the contents of above-mentioned form of implementation, such as following carry out like that implementing also passable.Certainly, below there is no other application examples illustrative, that also yes is possible for modification.
A (), in above-mentioned form of implementation, specifically describe the occasion that contents are tablet 5, but there is no particular limitation for the kind of contents, shape etc., the such as contents such as food, electronic unit are that the situation of non-tablet 5 is also passable.
B () in the above-described embodiment, have employed the structure with two testing fixtures 21A, 21B, but omit wherein any one, only adopt one also passable.
C the structure of () optically focused mechanism is not limited to the situation that above-mentioned embodiment limits.Such as, in the above-described embodiment, following concentration piece (prismatic lens) 59 is adopted, that is, in the plane of incidence 59a incident by light G1, G2 of pore 50A, 50B, and set multiple cross section as the convex strip portions 59c of triangle, meanwhile, the outgoing plane 59b emitted by light is formed as flat condition.But be not limited thereto, adopt that to have the concentration piece of the convex strip portions of cross section semi-circular shape at the plane of incidence also passable.
Again, as shown in Fig. 6 (b), as optically focused mechanism, the parts by above-mentioned concentration piece 59 obtains with upper and lower two coincidences are adopted also can.Now, the concentration piece 59 of upside is configurable as follows, and the length direction of the projecting strip part 59c of plane of incidence 59a configures along the X-direction of the film carriage direction as container film 3.On the other hand, the concentration piece 59 being positioned at downside is configurable as follows, and the length direction of the projecting strip part 59c of plane of incidence 59a configures along the Y direction of the film Width as container film 3.Because the testing fixture of possesses optically focused mechanism so, thus, the effect same with the above-mentioned form of implementation of testing fixture 21A, the 21B with two is produced.
Again, as shown in Fig. 6 (c), also following concentration piece 65 can be adopted, wherein, replace the structure with various convex strip portions, in the plane of incidence 65a incident by light G1, G2 of pore 50A, 50B, the teat 65c of tetrapyamid shape is set in column-like manner in row, and the outgoing plane 65b emitted by light is formed flatly.Again, at this, the shape of teat 65c is not be defined in tetrapyamid shape, can replace it and adopt such as other pyramid-shaped, coniform or hemispheric teat.
D () in the above-described embodiment, lighting device 22A, 22B are arranged at the outstanding side in the pocket portion 2 of container film 3, camera 23A, 23B are arranged at the open side in the pocket portion 2 of container film 3.But be not limited thereto, the position of lighting device 22A, 22B, the position of camera 23A, 23B are that rightabout structure also can.
E () in the above-described embodiment, adopts CCD camera 23A, the 23B as image mechanism, but is not limited to this, such as, can adopt CMOS camera.Again, although be not particularly illustrated, black and white camera can be adopted, also can adopt color camera.
F () in the above-described embodiment, container film 3 is formed with the water white thermoplastic resin material of PP or PVC etc., and cover film 4 is formed with aluminium material, but, the material of container film 3 and cover film 4 is not limited thereto, and adopts other material to be also fine.
Such as about container film 3, be not limited to water white container film 3, also can adopt the film of the colored transparent of red, transparent etc.Again, the container film 3 of aluminum can be adopted.
G () in the above-described embodiment, defines the structure from lighting device 22A, 22B irradiating ultraviolet light, but the light irradiated from lighting device 22A, 22B is not limited to this.
But, when checking water white container film 3 grade about above-mentioned embodiment, be preferably, in the scope of 365nm ~ 500nm, there is the ultraviolet light of peak wavelength, purple light or blue light.And then, preferably there is in the scope of 365nm ~ 420nm the ultraviolet light of peak wavelength.
Again, such as container film 3 is by the occasion lacking the resin material of light transmission or aluminium etc. and formed, and can adopt the structure of irradiating following visible ray, this visible ray has peak wavelength in the scope more than 500nm.
H () in the above-described embodiment, lighting device 22A, 22B form the structure of the diffuser plate 58 had as diffusion mechanism, but, also can form the structure omitting it.
Symbol description
1.PTP sheet
2. pocket portion
3. container film
4. cover film
5. tablet
7.PTP packaging machine
21A, 21B. testing fixture
22A, 22B. lighting device
23A, 23B. camera
24A, 24B. image processing apparatus
50A, 50B. pore
58. diffuser plates
59. concentration pieces
L1. optical axis
Claims (6)
1. a testing fixture, uses when the manufacture of PTP sheet, when manufacturing this PTP sheet, in the pocket portion on the container film being formed at the band shape be transported, being accommodated with contents, being provided with cover film in the mode covering this pocket portion,
It is characterized in that this testing fixture has: irradiation means, this irradiation means irradiates the light of regulation to being in the said vesse film above-mentioned contents being accommodated in the stage condition before above-mentioned pocket portion;
Image mechanism, this image mechanism is arranged at the opposition side of above-mentioned irradiation means in the mode of interval said vesse film;
Optically focused mechanism, this optically focused organization establishes is between said vesse film and above-mentioned image mechanism, and by irradiating from above-mentioned irradiation means and carrying out incidence by the light of said vesse film, convert the direction of the light after this incidence afterwards, then along above-mentioned image mechanism optical axis direction and penetrate;
Image procossing mechanism, this image procossing mechanism for the treatment of the picture signal exported from above-mentioned image mechanism,
Wherein, the light by said vesse film and above-mentioned optically focused mechanism, based on the view data obtained from above-mentioned picture signal, detects in above-mentioned image procossing mechanism, thus can detect that the mode of the pore that said vesse film exists is formed.
2. testing fixture according to claim 1, is characterized in that, said vesse film is made up of the resin material with light transmission, and above-mentioned irradiation means is can the mode of irradiating as the ultraviolet light of afore mentioned rules light be formed.
3. testing fixture according to claim 1, is characterized in that, above-mentioned irradiation means has diffusion mechanism, and the light launched from regulation light source spreads by this diffusion mechanism.
4. testing fixture according to claim 2, is characterized in that, above-mentioned irradiation means has diffusion mechanism, and the light launched from regulation light source spreads by this diffusion mechanism.
5. a PTP packaging machine, is characterized in that, has the testing fixture in Claims 1 to 4 described in any one.
6. a PTP packaging machine, it has the testing fixture in Claims 1 to 4 described in any one, wherein, as above-mentioned optically focused mechanism, there is concentration piece, this concentration piece is incidence is from above-mentioned irradiation means irradiation and through the plane of incidence of the above-mentioned concentration piece of the light of said vesse film and while establishing multiple convex strip portions, the outgoing plane of the above-mentioned concentration piece of injection light is formed as flat condition
The length direction of the convex strip portions of above-mentioned each concentration piece of above-mentioned each testing fixture be configured at above-mentioned each testing fixture towards in different mode.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013234826A JP5873066B2 (en) | 2013-11-13 | 2013-11-13 | PTP packaging machine |
| JP2013-234826 | 2013-11-13 |
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| CN104634738A true CN104634738A (en) | 2015-05-20 |
| CN104634738B CN104634738B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410102629.7A Active CN104634738B (en) | 2013-11-13 | 2014-03-19 | Check device and PTP packing machines |
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| Country | Link |
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| JP (1) | JP5873066B2 (en) |
| CN (1) | CN104634738B (en) |
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| JP7125666B2 (en) * | 2018-04-27 | 2022-08-25 | 大日本印刷株式会社 | Packaging materials and packages |
| JP7153218B2 (en) * | 2018-04-27 | 2022-10-14 | 大日本印刷株式会社 | Defect inspection method and defect inspection apparatus |
| JP6857266B1 (en) | 2020-02-13 | 2021-04-14 | Ckd株式会社 | Inspection equipment and packaging sheet manufacturing equipment and inspection method |
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| JP5873066B2 (en) | 2016-03-01 |
| JP2015094694A (en) | 2015-05-18 |
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