EP3911483A1

EP3911483A1 - Device and method for processing drinks closure caps

Info

Publication number: EP3911483A1
Application number: EP20701292.3A
Authority: EP
Inventors: Attila BRUNOLD; Pascal FRIEDL; Martin Hürlimann; Simon Keßler; Dominik ROTH; Pascal CHOQUARD
Original assignee: Packsys Global AG; Finatec Holding AG
Current assignee: Packsys Global AG; Finatec Holding AG
Priority date: 2019-01-17
Filing date: 2020-01-17
Publication date: 2021-11-24
Also published as: CN113329851B; US20220126474A1; CN113329851A; WO2020148428A1; DE102019101207A1; CA3126870A1; US11820035B2; DE102019101207B4

Abstract

The invention relates to a device for processing drinks closure caps (1) comprising at least one cutting unit (2) having at least one cutting blade (3), and a detection unit (7), which in turn comprises a camera (8), as well as at least one conveying means (6) forming a transport path (5) to and from the cutting unit (2), wherein, in order to solve the problems of known devices, the detection unit (7) has an optical system (9) and is arranged operatively downstream of the cutting unit (2) such that it fully captures the inner wall (10) of a drinks closure cap (1) located in its field of vision.

Description

Device and method for processing

Beverage caps

The present invention relates to a device for processing beverage caps and a related method.

The beverage caps, which are usually designed as multi-layer plastic bodies, generally have a tamper-evident ring that is created during the manufacturing process of the beverage cap. Tamper evident rings made of plastic are in the form of

(partly) perforated rings, the perforation of which is formed by a

Embossing device injected into the blank or by means of

Cutting knife is cut. It is also known

Tamper-evident rings to be provided with a coherent, annular tab, or a plurality of webs directed towards the bottle opening, which hold the tamper-evident ring on the bottle neck when the beverage closure is opened and enable the tamper-evident ring to be separated from the rest of the beverage closure cap.

After the original forming of the beverage caps, they are fed to a cutting device. This is usually one in which the beverage cap blanks are rotated along one or more knives, which plunge with their respective cutting edge into the cap material and insert it

are slashing. Such a cutting knife has several

Interruptions on its concave curved blade, so that the cutting process is interrupted regularly to create the thin webs of the tamper evident ring. In addition, one in

Production direction arranged after the cutting device

Folding device can be provided, which folds the tab of the tamper-evident ring, which holds the tamper-evident ring on the bottle neck and thus one Separation between the originality ring and the rest

Beverage cap possible when opening the bottle. Such a known processing device always has one

Transport route to and from the individual treatment stations, in particular formed by one or more conveyor belts or

Gears, between whose teeth the beverage caps are guided.

A large number of quality controls are carried out in the course of the filling process for beverage closures, which check, among other things, that each individual beverage closure cap is complete and

Examine the tamper-evident ring, in particular, free of defects, the latter also including a check of the cutting knife mentioned, which is required for setting the tamper-evident ring.

The number and type of control devices at different points on the production route influence the space requirements of the

Beverage closure production device and also that

Production speed essential. The control processes must be designed in such a way that they do not slow down the production process as much as possible

Processing speeds of over 2,000 products / min are common, so that the control devices have less than 30 ms per drink cap to determine the quality of the drink cap. The entire separating, checking and sorting process of the beverage closure cap therefore represents a significant bottleneck in the packaging process of the drinks and must be carried out accordingly quickly and reliably.

EP 1 633 540 B1 describes a device for controlling the

Knife known in which a cutting knife by means of a Camera is observed, which is why it is in its operating position in the

Observation area of the camera can be moved. This is a disadvantageous slowdown in the production process because the

Production must be interrupted while checking the cutting knife.

WO 201 1/058 500 A1 describes a cutting device

Recognition unit known in which a rotating carousel

Conveyed plastic caps to a fixed blade that creates an annular line of weakness in the caps. The carousel has a transmitter and a receiver that are present or

Do not grasp the presence of a cutting edge of the fixed blade, i.e. are aligned with the blade itself.

The present invention is therefore based on the object of solving the aforementioned problems in the prior art.

The device task is solved by a device for

Processing of beverage caps having at least one cutting device with at least one cutter and one

Recognition unit, for its part comprising a camera, and at least one conveying means forming and forming a transport route to and from the

Cutting device, wherein the detection unit has an optical system and is operatively arranged downstream of the cutting device so that it has the inner walls of one in its field of vision

Beverage cap is fully recognizable.

In contrast to the prior art, it is provided according to the invention that the quality of the cutter, preferably a cutting knife, is no longer direct, but rather indirectly via detection of the quality of the cut beverage closure caps, in particular from that recorded by means of a camera and an optical system Condition of the inner walls of the beverage cap. These inner walls include the lateral surface and the cap base, which roughly form a cylinder closed on a base side. Preferably, the entirety of the inner surface is recorded in a single image, and according to the invention the annular edge surface can also be counted among the inner surfaces. This can be achieved, in particular, by an arrangement in which the camera is positioned as close as possible to the transport path and the beverage closure caps that pass during operation are only a slight distance from the camera, which is preferably not greater than the height of the

Beverage cap. According to the invention, the cutter is first any device that removes material from the beverage cap, for example a laser or a cutting knife. The cutter according to the invention is particularly advantageously arranged in a wall of the transport path, so that on this

Walls closing caps, which are guided anyway, can be processed by the tailor. Alternative or additional embodiments are also according to the invention, according to which the

Beverage caps, for example, can be individually guided in the cutting device via a separating wheel with receiving pockets and brought to the cutter, or can be pressed against the cutting knife. Alternatively, several can be spaced apart

Cutters, especially cutting knives, can be used. It is preferably provided according to the invention that the

Beverage caps on the transport route are oriented so that the top surface of the jacket is oriented downwards, so that a camera located above the transport route images the interior of the

Beverage cap caps. Spatial inversion is also in accordance with the invention, especially if the funding is as Vacuum bands are formed so that a camera located below the conveyor path can look into the beverage caps.

This device enables the control of the quality and condition of the cutter based on the quality and condition of the cut products, thus indirectly, so that the production device in the area of the cutter can be kept structurally simple and the spatial placement of the cutter can be very advantageous

Control device from camera and optical system is made possible where it is space-saving, easily accessible and easy to maintain, that is, spatially independent of the location of the cutting knife.

In a development of the invention it is provided that the optical system is a mirror arrangement, a light guide arrangement or a

Fisheye lens and / or that the tailor is a cutting knife. The optical system is designed according to the invention in such a way that its combination with the camera enables the entire inner surface of the beverage cap to be recorded.

According to the invention, this is particularly preferred by a

Fisheye lens solved, under which the invention first understands fish-eye lenses of any design, but also those lenses that are able to cover the entire inner surface of the lens

Capture beverage cap, regardless of how distorted this image may be. As already stated, cutting knives are preferred because of their simplicity and thus low costs, but other cutters are also inventive, as long as they are suitable for cutting or not, for cutting or cutting accordingly.

It is also provided in a further development of the invention that a folding device is located on the transport path downstream of the cutting device is arranged. The folding device folds the tab of the tamper-evident ring so that the tab holds the tamper-evident ring on the bottle neck and thus separates the tamper-evident ring and the rest

Beverage cap possible when opening the bottle. The combination of the cutting device according to the invention and

Detection device with the folding device enables a more compact design of the overall device, since all of the devices mentioned can be arranged in a common housing.

In a further development of the invention it is provided that the camera takes pictures in the wavelength range of visible light and / or the infrared. Most plastics are in these wavelength ranges, but especially those for the production of

Beverage caps are used, not or only to a limited extent, so that the plastic layers or holes in the beverage caps produced by the cutting process, which are thinner than the remaining wall thickness, can be seen in the images recorded by the camera. Short-wave infrared radiation is also suitable for determining the perforated areas of the

Beverage caps.

If the recognition unit has a data processing unit that prepares the images taken by the camera, preferably in such a way that it recognizes and marks the holes and / or the ridges of the tamper-evident ring in the processed images, so that possible misprints on the images also without further effort are visually recognizable by a user. In any case, it is according to the invention that the data processing unit carries out an automatic pattern recognition and the recognized patterns, in particular the position, length and number of radial and circumferential cut edges, area brightnesses and other, can be read out, evaluated and graphically for a software ready to present. The data of the interior of the beverage caps prepared in this way give a user or a further data evaluation unit the opportunity to draw conclusions about the quality of individual rings of originality, but also to draw conclusions about the condition of the cutting knives or the cutting device in general.

A further development of the invention provides that the device has one or more of the following: at least one

Lighting device that illuminates the outer walls and / or inner walls of the beverage caps, at least one optical filter, in particular arranged in front of the fisheye lens, one

Knife heater, a special unit, a device for spatial orientation of the beverage caps, in particular one

Vacuum positioner, equipment and data lines. A

The lighting device serves to illuminate the beverage caps in the area of the detection unit on the outer walls, so that the holes in the tamper-evident ring in the interior of the

Beverage caps can be seen more clearly through the camera, since more light passes through them due to the reduced material thickness. The lighting device can illuminate the inner walls of the beverage cap directly. In this case, it is particularly preferably arranged next to the camera, so that the

Illumination device can shine into the beverage cap. Illumination by infrared radiation is also according to the invention, in particular when using an infrared camera. Also one

Illumination of the inner walls is advantageous according to the invention,

especially when the material of the beverage cap is particularly well reflective of the light, so that the less reflective points of the beverage cap indicate thinner walls or holes. It is always required when the incident light at the operating site of the device is not sufficient to qualitatively to obtain high-quality images of the inner surface of the cap. Optical filters are understood to mean, in particular, those which

Improve the recognizability of the holes and the thin position on the wall in the beverage caps. For example, polarization filters, color filters or neutral density filters can be used as optical filters. A knife heater is particularly advantageous when the at least one cutting knife is worn, because of a

Adjustment of the temperature of the cutting knife improves its cutting ability and thus an early replacement of a cutting knife that is only partially worn can be prevented. This reduces the

Maintenance times and increases the maintenance interval. A special unit is the faulty one recognized by the data processing unit

Sorting out beverage caps. According to the invention, this is done mechanically or by means of compressed air. The separating unit is arranged after the detection unit and optionally before or after the folding device. After the folding device can also

Special unit with a further test device can be provided, so that this also incorrect folding individual

Recognizing beverage caps and discarding them. A positioner is particularly advantageous if the transport path before or after the embossing and cutting devices into a transport path of a connected device, for example one

Packing device or closure device, with a

differently oriented transportation of the beverage cap should pass. Resource lines can be used if necessary

Connect air extraction or compressed air, but also other equipment, to the device. Data lines allow one

wired connection of the recognition unit and in particular the data processing unit to an external data evaluation unit or a database. In a further development of the invention it is provided that the positioner is a vacuum positioner or vacuum belt. These positioners are particularly advantageously designed as vacuum positioners, because of this

complicated transport routes and conveyor belts are avoided and a space-saving alternative is made possible.

In an embodiment of the invention it is advantageously provided that the

Camera is arranged between the cutting device and folding device, in particular above the transport route. The arrangement of the camera above the transport route simplifies the funding, since no complicated transport routes of the beverage caps have to be realized upside down via a camera and that

Beverage caps are resting on a funding. An arrangement of the camera between the cutting device and the folding device enables the detection of tamper-evident rings, which are in any case defective, so that beverage sealing caps with the defective tamper-evident rings either pass through the folding device without folding or can be sorted out beforehand by a separating unit. It is also advantageous to detect possible errors due to the cutting device or defects in the cutting knives as early as possible, so that the number of defective tamper-evident rings is kept within limits and maintenance can be initiated at an early stage. Above all, however, this arrangement of the camera allows the use of structurally unchanged cutting and folding devices and is space-saving and easy to maintain.

Finally, in a further development of the invention, it is advantageously provided that the recognition unit recognizes an automatic pattern recognition and cuts it as faulty

Beverage cap is reporting to the segregation unit. It is also of great advantage according to the invention that not the cutting knife itself, but the cutting edges generated by it in the Be sure to check the interior of the beverage caps for possible errors. This means that there is no need for a detection unit at the location of the cutting knife and both the faulty beverage caps as well as possible ones via just a single detection unit

Wear of the cutting knife can be recognized. The defective beverage caps are preferably sorted out before the folding device passes through the separating unit, so that a possible bottleneck can be prevented by a folding device. Edge recognition is particularly advantageous as a pattern recognition and according to the invention, since the analysis of the edges is sufficient to

Conclusions on the quality of the cut edges of the

Get beverage caps.

The method task is solved by a method for identifying incorrectly cut beverage closure caps, in particular using a previously described device, at least comprising the following steps: - performing one on one

Cutting knife intermittently cut beverage cap through the field of view of a camera with a fisheye lens underneath

Take a picture of the complete inner walls of the

Beverage cap, - Perform an automatic

Pattern recognition in the image of the inner walls of the

Beverage cap and evaluation of the recognized patterns with regard to the condition of the cutting knife.

As already explained, the method according to the invention is used to evaluate the condition of the cutting knife from a product treated by it and thus independently of its own condition monitoring. In a first step, the

Beverage caps as close as possible to the detection unit, especially the camera with a fisheye lens, so that the camera can see the entire interior of the beverage cap through the fisheye lens. It is also according to the invention that the beverage caps only after passing through the

Cutting device pass the detection unit, preferably immediately after leaving the cutting device. The detection unit can thus detect faults in the beverage caps early on and have them disposed of accordingly in good time by a special unit and emit a maintenance signal that is necessary if the cutting blades are more severely worn. This maintenance signal is preferably generated and displayed / forwarded by a data processing unit which is generated by the recognition unit

processed images processed and the pattern recognition in the second process step. The data processing unit can be integrated in the recognition unit or can be connected externally to the recognition unit by data lines. The feature essential to the invention, according to which an evaluation of the cuts in the beverage closure caps is used, is particularly advantageous

Draw conclusions about the at least one cutting knife.

In a development of the invention it is provided in the method that in the step of automatic pattern recognition one or more elements selected from the group are formed by: number of radially running edges, circular arc-shaped distance between radially identical edges, number and length of circular-arcuate edges, brightness of edges, image defects recognized and in particular recorded. These evaluation criteria enable variable and precise evaluation of the image data and evaluation of the quality of the cuts. The number of radially running edges provides information about the possible absence of individual cutting edges of the cutting knife and the arc-shaped distance between radially identical edges provides information about wear on the two arc-shaped ends of the cutting knife or on the corresponding recesses in the cutting blade. The other patterns mentioned also allow conclusions to be drawn about the condition of the knife in order to recognize its possible wear precisely and with a high degree of certainty.

In a further development of the method according to the invention, it is provided that the state of the cutting knife with regard to blade length, blade width, and extent of the cutting depth adjustment is determined from the edge-related information and these current states are also recorded. These state characteristics of the cutting knife enable one

problem-related maintenance, wherein, for example, maintenance of a cutting knife in which the blade length has normal values can be delayed by adjusting the temperature of the cutting knife.

A further development of the method provides that

Cutting knife depending on its current determined

Condition a reference variable temperature and / or employment is regulated by means of a manipulated variable or it is marked as to be exchanged. This prevents unnecessary or premature maintenance work and device downtime. In particular, an adjustment of the temperature of the cutting knife or blades is advantageous because the

plastic cutting knife even with blunted

Cutting knife blades can still serve their purpose if their temperature is raised. For cutting knives, the wear of which has exceeded a certain extent, according to the invention

Maintenance signal given so that the device can be stopped and the cutting blades to be serviced can be replaced.

Finally, in a further development of the method it is also provided that from the recorded instantaneous states of the cutting knife Development tendencies determined and before or when reaching or

Exceeding limit values or limit value ranges either automatically determines a manipulated variable or a user

Need for action is signaled. The permanently evaluated

Development trends enable predictive maintenance such as at times when production is less busy anyway. In general, the user and the person servicing the device are significantly more flexible when it comes to the division of maintenance into the production process. The invention is described in a preferred embodiment

Described by way of example with reference to a drawing, wherein further advantageous details can be found in the figures of the drawing.

Functionally identical parts are provided with the same reference numerals. The figures in the drawing show in detail:

Fig. 1 a: beverage cap before passing the cutting and

Folding device

Fig. 1 b: beverage cap after passing the cutting device and before passing the folding device Fig. 1 c: beverage cap after passing the cutting and

Folding device

Fig. 2: Transport route of the beverage cap

Fig. 3: recognition unit

Fig. 4a: Image of a beverage cap Fig. 4b: Image of a beverage cap in raw data

Fig. 4c: Image of a beverage cap in raw data with

Evaluation marks

1a shows a beverage cap 1 before passing through the cutting and folding device in side view, sectional view and perspective view. These three views are also shown in FIGS. 1 b to 1 c. According to the invention, the beverage cap 1 has the one connected in front of the cutting device 2

Production process already a screw thread in the interior 10. At this point in the production process, the tamper-evident ring is worked into the beverage cap 1. The webs of the

Tamper-evident rings, which are folded in the closed state of a bottle in the direction of the bottle opening and generate a counterforce against the removal of the beverage cap 1 when the bottle is opened, are already formed on the beverage cap 1 in the production stage shown here. The webs are formed in a ring on the cylinder edge of the open side of the beverage cap and face each other like a roof, so that they are in the

Extend the top surface.

1 b shows a beverage cap 1 after passing through the cutting device and before passing through the folding device. Grooves were cut all the way through the cutter

Beverage cap 1 incorporated, each defining a predetermined breaking point of the tamper-evident ring. The cutting device has at least one cutting knife which has a plurality of recesses in its blade, so that a beverage closure cap which rotates along the cutting edge is cut intermittently, and the tamper-evident ring by narrow interruptions in the grooves which represent the predetermined breaking points with the rest

Beverage cap 1 remains connected. The grooves can, as shown in the schematic view of the beverage cap 1, the outer surface of the beverage cap 1

enforcing, or just be designed as a blind hole.

1c shows a beverage closure cap 1 after passing through the folding device. Due to the folding device, the webs are folded into the interior 10 in the direction of the closed side of the beverage cap 1, so that they can exert their desired effect when opening a bottle. The webs can overlap the grooves in the interior 10 as shown in the sectional view, or they cannot protrude beyond them. The exact formation of the webs and the exact

The arrangement of the grooves is to be selected based on the bottles.

Fig. 2 shows schematically the arrangement of the invention in a device for processing beverage caps and in particular also the transport path 5 of the beverage cap 1 according to the invention, the conveying direction is indicated by two arrows. Coming from a device (not shown) for shaping the beverage closure caps, they are guided through the conveying means 6 of the transport path 5 into and through a cutting device 2 which has at least one

Has cutting knife, past which the beverage caps are passed and cut rotating intermittently. The cutting knife 3 of the cutting device 2 are preferably with

Knife heaters 14 are equipped which can be controlled according to the invention in such a way that when the cutting knives 3 are slightly worn, their temperature is adjusted to compensate for the wear.

After leaving the cutting device 2, the transport path 5 leads to the recognition unit 7 according to the invention. This is according to the invention advantageously arranged directly behind the cutting device 2 so as to save space. The recognition unit 7 is equipped with a

Data processing unit 1 1 equipped or connected, which by the recognition unit 7, in particular by a in the

Recognition unit 7 provided camera 8 processed images of the beverage cap 1 processed and, if no external device is provided, evaluated and stored. The

Detection unit 7 communicates according to the invention with the

Knife heaters 14, so that this is regulated according to the detected wear. Furthermore, the recognition unit 7 is advantageously designed to deal with a special unit 15

communicate, which according to the invention is particularly advantageously arranged on the transport path 5 between the detection unit 7 and the folding device 4.

The detection unit 7 is designed in accordance with the invention in such a way that, in addition to the conclusions about the cutting knives 3

summarizing temporal trends from a large number of images of the most varied of beverage caps 1 is of course also recognizing and evaluating individual beverage caps 1, so that a corresponding signal is sent to the separating unit 15 for each beverage cap 1 which turns out to be defective. The camera 8 of the detection unit 7 depends on

Orientation of the beverage caps 1 directly and centrally above or below the transport path 5 so that the camera is taking pictures of the interior of the beverage caps 1. For this purpose, the camera 8 is equipped with a fisheye lens 9, which takes an image of the entire interior of the

Beverage caps 1 including the outer surface of the

Interior allows. Other lenses are also according to the invention, provided that they capture the entire interior with only one shot can. The camera 8 or the recognition unit 7 can also be equipped with optical filters 13, so that, depending on the design, color and lighting of the beverage closure caps 1, optimized images can be recorded under the recognition unit 7. A folding station 4 is arranged downstream of the detection device 7 in the conveying direction.

In the further course of the transport route 5, one can if necessary

Beverage cap orientation device 16 can be arranged, the beverage cap 1 according to the needs

subsequent production stations. An arrangement of the beverage cap orientation device 16 can be provided at the beginning or at the end of the transport path 5. An arrangement between a plurality of elements of the device shown in FIG. 2 is also conceivable, provided that unusual spatial conditions are spatial

Require redesign of the device. The transport path 5 is designed in particular in the cutting device 2 and the folding device 4 with the largest possible radius, since the

Beverage caps 1 have a high speed due to the high production numbers and the resulting centrifugal forces can be absorbed more easily on a transport path 5 with large radii. Both the cutting device 2 and

Folding device 4 does not necessarily extend over an entire transport radius, as represented by the dashed rectangles, but rather can assume sizes that correspond to the recognition unit 7 shown.

3 shows, in two partial images, a recognition unit 7 according to the invention in a perspective view and a sectional view. The funding 6 shown here is designed as a rotating gear, whose recesses represent the receptacles for the beverage caps 1. As an alternative to this configuration of the conveying means 6, conveyor belts, vacuum belts and other conveying means are also according to the invention. The funding 6 transport the

Beverage closure caps 1 under the recognition unit 7 in such a way that the camera 8 of the recognition unit 7 detects the interior 10 of the beverage closure caps 1. The conveying means 6 furthermore have an outer wall that absorbs the centrifugal forces of the extremely highly accelerated beverage caps 1. For

Optimization of the image recording can be provided in the field of view of the camera 8 under and / or over the passing beverage cap 1, an illumination device 12, which the

Beverage caps 1 illuminating from the outside or from the inside. A lighting device 12 that directly illuminates the outer surface of the beverage closure caps 1 is also of great advantage, since it can significantly improve the quality of the grooves in the tamper-evident ring. The light of the lighting device 12 is to be selected so that the camera 8 achieves the best recording qualities. For example, an IR light is advantageous for IR cameras.

4a shows an image 17 of a beverage closure cap, which was recorded by the camera. This image 17 represents the

unprocessed image recording of the camera representing the

Beverage cap shows in optical light. By the

The captured interior of the fish-eye lens appears

Beverage cap so distorted that especially the

The entire surface and the structures incorporated into it can be clearly recognized. The grooves of the tamper-evident ring can be seen in particular, which are not covered by the webs before the folding device due to the arrangement of the camera on the transport path. The bright spots in the lateral surface represent the grooves there these are flooded with light due to the lighting device, while the dark interruptions represent the predetermined breaking points of the tamper-evident ring. For example, the brightness of the grooves, the width of the grooves and interruptions and the spacing of these can be used to draw conclusions about the quality of the cutting knife and the tamper-evident ring. The automatic pattern recognition detects the edges and uses them to determine the cutting knife condition.

4b shows an image 17 of a beverage closure cap in raw data.

In this image 17, which represents the image 17 after evaluation by a data processing unit, the contrast differences, in particular those in the direction of the circular arc, are emphasized. In particular, the interruptions in the grooves of the tamper-evident ring are marked, which already indicate the cleanliness of the

Allow tamper-evident ring.

4c shows an image 17 of a beverage cap with

Evaluation marks. The highlighted in Fig. 4b

Interruptions in the grooves are marked with dots in the image 17 shown here. For this, an area of the outer surface was like this

restricted that the grooves of the tamper evident ring can be found in this area. This area can be set by a user or mechanically by the height of the beverage caps and the height of the

Cutting knife of the cutting device can be calculated.

Due to the marked interruptions in the grooves, any defects can be recognized manually without further interpretation of the images and can be evaluated in large quantities using software. REFERENCE SIGN LIST

Beverage cap

Cutting device

cutter

a cutting knife

Folding device

Transport route

Funding

Recognition unit

camera

Optical system

0 inner wall

1 data processing unit

2 lighting device

3 optical filters

4 knife heater

5 separate unit

6 positioners

7 image

Claims

PATENT CLAIMS

1. Device for processing beverage closure caps (1) comprising at least one cutting device (2) with at least one cutter (3) and a detection unit (7), in turn having a camera (8) and at least one

Transport route (5) forming, funding (6) to and from the

Cutting device (2), the detection unit (7) having such an optical system (9), characterized in that the detection unit (7) is operatively downstream of the

Cutting device (2) is arranged in such a way that it completely recognizes the inner walls (10) of a beverage closure cap (1) located in its field of vision.

2. Cutting and detection device according to claim 1, characterized in that the optical system (9)

Mirror arrangement, a light guide arrangement or a

Fisheye lens and / or that the tailor (3) is one

Cutting knife (3a).

3. Cutting and detection device according to claim 1 or 2, characterized in that a folding device (4) is arranged on the transport path (5) downstream of the cutting device (2).

4. Cutting and detection device according to claim 1, 2 or 3, characterized in that the camera (8) images in

Wavelength range of visible light and / or infrared is recorded.

5. Cutting and detection device according to one of the preceding claims, characterized in that the detection unit (7) has a data processing unit (1 1) which processes the images recorded by the camera (8).

6. Cutting and detection device according to one of the preceding claims, characterized in that it has one or more of the following: at least one lighting device

(12) which the outer walls and / or inner walls (10) of

Beverage cap (1) is illuminating, at least one optical filter (13) in particular arranged in front of the

Fisheye lens (9), a knife heater (14), a

Separation unit (15), a positioner (16), equipment and

Data lines.

7. Cutting and detection device according to one of the preceding claims, characterized in that the positioner (16) is a vacuum positioner or vacuum belt.

8. Cutting and detection device according to one of the previous ones

Claims, characterized in that the camera (8) is arranged between the cutting device (2) and the folding device (4), in particular above the transport path (5).

9. Cutting and detection device according to one of the preceding claims, characterized in that the detection unit

(7) performing automatic pattern recognition and reporting beverage closure caps (1) recognized as faulty cut to the separating unit (15).

10. Method for detection of incorrectly cut

Beverage caps, especially using a

Device according to one of claims 1 to 6, comprising at least the following steps: Carrying out a beverage cap (1) cut intermittently on a cutter (3) through the

Field of view of a camera (8) with a fisheye lens (9) taking a complete image (17) of the inner walls (10) of the beverage cap (1),

Performing an automatic pattern recognition in the image (17) of the inner walls (10) of the beverage cap (1),

Evaluation of the recognized patterns with regard to the condition of the tailor (3).

1 1. The method according to claim 7, in which in the step of automatic

Pattern recognition of one or more elements selected from the group consisting of: number of radially running edges,

Circular arc-shaped distance between radially identical edges, number and length of circular arc-shaped edges, brightness of edges, image errors are recognized and in particular recorded.

12. The method according to claim 7 or 8, wherein the state of

Schneider (3) is determined from the edge-related information and these current states are recorded, the cutter being in particular a cutting knife (3a) and its blade length, blade width, degree of cutting depth adjustment and

Completeness of the blade can be determined from the edge related information.

13. The method according to any one of claims 7 to 9, wherein the

Cutting knife (3) depending on its determined current state, a reference variable temperature and / or employment is regulated by means of a manipulated variable or it is marked as to be exchanged.

14. The method according to any one of claims 1 to 10, in which development trends are determined from the recorded current states of the cutting knife (3a) and either a control variable or a user is automatically determined before or when limit values or limit value ranges are reached or exceeded

Need for action is signaled.