CN219915411U - High-precision medicine appearance defect detection and dimension measurement system - Google Patents
High-precision medicine appearance defect detection and dimension measurement system Download PDFInfo
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- CN219915411U CN219915411U CN202321362200.2U CN202321362200U CN219915411U CN 219915411 U CN219915411 U CN 219915411U CN 202321362200 U CN202321362200 U CN 202321362200U CN 219915411 U CN219915411 U CN 219915411U
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Abstract
The utility model discloses a high-precision medicine appearance defect detection and dimension measurement system, which comprises an adsorption transmission line: the device is used for adsorbing the upper side or the lower side of the sample to be detected so as to convey the sample to be detected; visual reflecting device: for reflecting images representing the outer sides of the sample to be inspected; the multi-face image acquisition device comprises: the visual reflection device is used for collecting images reflected and presented by the visual reflection device and obtaining the characteristics of each side face outside the sample to be detected; the upper and lower parts of the adsorption transmission line are respectively provided with a visual reflecting device, and the multi-surface image acquisition device is correspondingly arranged above or below the visual reflecting device. The advantages are that: the appearance characteristics of the sample to be detected are scanned by adopting a mode of combining a three-dimensional technology and a two-dimensional technology. Simulating each oblique view angle through a plurality of reflecting pieces to realize the omnibearing detection of the sample to be detected; the sample to be detected is turned over by arranging the adsorption transmission line, so that the sample to be detected is detected in an omnibearing manner without dead angles.
Description
Technical Field
The utility model relates to the technical field of medicine detection and measurement, in particular to a high-precision medicine appearance defect detection and dimension measurement system.
Background
Defects such as breakage, dirt, black spots, pits, overlarge size deviation and the like can be caused in the production process of the medicines, the defects not only affect the quality of the medicines, but also affect the reputation of enterprises, and once the defective medicines flow to the market, a check organization can find out that manufacturers face huge fines. Currently, the main devices for drug detection mainly have the following disadvantages:
1. the number of cameras is more, the debugging is complex, and the compatibility is not strong.
2. Only appearance defects can be detected, and critical dimensions cannot be measured; or only the size of the medicine can be measured, and the medicine cannot be detected in all directions;
3. only two-dimensional detection technology is adopted, three-dimensional technology is not combined, and some appearance defects have the risk of missing detection.
The traditional spot check can not meet the high-quality production requirements of drug manufacturers, so that the design of a set of efficient and accurate drug appearance defect detection and size measurement device helps the drug manufacturers to accurately reject defective products and improves the drug quality is particularly important.
Disclosure of Invention
The present utility model is directed to a high-precision drug appearance defect detection and dimension measurement system, which solves the aforementioned problems of the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a high-precision drug appearance defect detection and dimension measurement system comprises,
adsorption transmission line: the device is used for adsorbing the upper side or the lower side of the sample to be detected so as to convey the sample to be detected;
visual reflecting device: for reflecting images representing the outer sides of the sample to be inspected;
the multi-face image acquisition device comprises: the visual reflection device is used for collecting images reflected and presented by the visual reflection device and obtaining the characteristics of each side face outside the sample to be detected;
the upper and lower parts of the adsorption transmission line are respectively provided with a visual reflecting device, and the multi-surface image acquisition device is correspondingly arranged above or below the visual reflecting device.
Preferably, the visual reflecting device comprises a plurality of reflecting pieces which are positioned above or below the sample to be detected and are uniformly arranged at intervals along the circumferential direction of the sample to be detected, the reflecting pieces are used for reflecting and displaying images of the upper surface, the lower surface and the circumferential sides of the sample to be detected, and an included angle between each reflecting piece and a plane where the sample to be detected is positioned is an obtuse angle.
Preferably, the reflecting member is a plane mirror or a prism.
Preferably, the visual reflecting device comprises a first light supplementing piece and/or a second light supplementing piece;
a first light supplementing piece is arranged on one side, far away from the sample to be detected, of each reflecting piece, and the light path of the first light supplementing piece faces the reflecting piece vertically;
the second light supplementing piece is located between the multi-face image acquisition device and the visual reflecting device, the second light supplementing piece is arranged on the periphery of a shooting path of the multi-face image acquisition device, and the luminous surface of the second light supplementing piece is inclined to the center to converge so as to uniformly illuminate a sample to be detected.
Preferably, the visual reflecting device comprises an adjusting member for adjusting the angle and distance between the reflecting member and the sample to be measured.
Preferably, the system comprises a three-dimensional scanning device, wherein the three-dimensional scanning device is used for acquiring three-dimensional depth information of the outer surface of the sample to be detected;
three-dimensional scanning devices are arranged above and below the adsorption transmission line; the three-dimensional scanning device is arranged at intervals on the upstream or downstream of the visual reflecting device along the transmission direction of the adsorption transmission line.
Preferably, the system comprises a single-sided image acquisition device, wherein the single-sided image acquisition device is used for acquiring images of the upper surface and the lower surface of a sample to be detected, and intelligently identifying the characteristics of the upper surface and the lower surface of the sample to be detected;
a single-sided image acquisition device is arranged above and below the adsorption transmission line; the single-sided image acquisition device is arranged at intervals on the upstream or downstream of the visual reflection image acquisition device along the transmission direction of the adsorption transmission line.
Preferably, the adsorption transmission line comprises a front transmission belt, a back transmission belt and a negative pressure adsorption device; the front conveying belt and the back conveying belt are provided with negative pressure adsorption seams or a plurality of negative pressure adsorption hole groups at uniform intervals along the conveying direction, and each negative pressure adsorption hole group comprises one or a plurality of negative pressure adsorption holes which are uniformly distributed and connected with a negative pressure adsorption device; the negative pressure adsorption seam is connected with the negative pressure adsorption device;
the front conveying belt and the back conveying belt are vertically staggered in parallel, the conveying directions of the front conveying belt and the back conveying belt are the same, the downstream end of the upstream conveying belt is overlapped with the upstream end of the downstream conveying belt, and the upstream conveying belt loses the adsorption function at the overlapped part; the visual reflection device and the multi-face image acquisition device are arranged above the front face transmission belt and below the back face transmission belt, or the visual reflection device, the multi-face image acquisition device and the three-dimensional scanning device are arranged, or the visual reflection device, the multi-face image acquisition device, the three-dimensional scanning device and the single-face image acquisition device are arranged.
Preferably, the system comprises a shaping mechanism for arranging the unordered samples to be inspected flowing out of the storage tank into an ordered arrangement, wherein the inlet of the shaping mechanism is in butt joint with the outlet of the storage tank, and the outlet of the shaping mechanism is in butt joint with the upstream end of the transmission belt positioned upstream.
Preferably, the system comprises a rejecting mechanism for placing reject in a reject bin, the rejecting mechanism and the reject bin being spaced apart at a downstream end of a downstream conveyor belt; the action direction of the rejecting mechanism is perpendicular to the transmission direction of the transmission belt, and the opening of the unqualified product material box faces to the action direction of the rejecting mechanism, so that the unqualified sample to be detected enters the unqualified product material box under the action of the rejecting mechanism.
The beneficial effects of the utility model are as follows: 1. the appearance characteristics of the sample to be detected are scanned by adopting a mode of combining a three-dimensional technology and a two-dimensional technology. 2. The defects of the upper half part or the lower half part of the sample to be detected are reflected to each reflecting mirror through the plurality of reflecting pieces to simulate each oblique view angle, and the image acquisition device is required to acquire at least two images of the upper part and the lower part of the sample to be detected through the visual reflecting device, so that the omnibearing detection of the sample to be detected can be realized, the number of cameras is greatly reduced, and the debugging difficulty is reduced. 3. The adjusting piece is arranged to change the included angle and the distance between the reflecting piece and the sample to be detected, so that the visual reflecting device is used for the samples to be detected with different sizes. 4. The sample to be detected is turned over by arranging the adsorption transmission line, so that the sample to be detected is detected in an omnibearing manner without dead angles. 5. The problems that the medicine full-inspection equipment has more cameras, large debugging difficulty, incomplete detection, low detection efficiency, incapability of measuring critical dimensions and the like are solved.
Drawings
FIG. 1 is a schematic diagram of the adsorption of a sample to be inspected when the adsorption transmission line includes two transmission belts in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the measuring system in the embodiment of the utility model for realizing omnibearing dead-angle-free external surface characteristic acquisition of a sample to be detected from the upper side and the lower side;
FIG. 3 is a schematic diagram of a first system with two conveyor belts on the suction line according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a second system with two conveyor belts on the suction line according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a third system with two conveyor belts in the suction line according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a visual reflecting device according to an embodiment of the present utility model;
FIG. 7 is a schematic view of imaging each side of a visual reflecting device according to an embodiment of the present utility model;
FIG. 8 is a schematic view of an omnidirectional imaging of a visual reflective device in accordance with an embodiment of the present utility model;
FIG. 9 is a schematic diagram illustrating the transmission of the optical paths between the visual reflecting device and the image capturing device according to the embodiment of the present utility model;
FIG. 10 is a schematic view of the structure of an adjusting member according to an embodiment of the present utility model;
FIG. 11 is a schematic view of only the first light supplementing member according to the embodiment of the present utility model;
FIG. 12 is a schematic view of an embodiment of the present utility model in which only the second light compensating member is provided;
FIG. 13 is a schematic view of the arrangement of both the first light supplementing member and the second light supplementing member according to the embodiment of the present utility model;
FIG. 14 is a schematic view of a shaping mechanism according to an embodiment of the present utility model;
fig. 15 is a schematic structural diagram of a rejecting mechanism according to an embodiment of the present utility model.
In the figure: 1. adsorption transmission lines; 101. a front face conveyor belt; 102. a back face conveyor belt; 2. a visual reflecting device; 201. a reflecting member; 202. an adjusting member; 2021. an adjustment table; 2022. a horizontal guide rod; 2023. tilting the guide rod; 2024. a horizontal bar hole; 2025. inclined strip holes; 203. a first light supplementing member; 204. a second light supplementing member; 3. a multi-face image acquisition device; 4. a three-dimensional scanning device; 5. a single-sided image acquisition device; 6. a storage bin; 7. shaping mechanism; 8. a rejecting mechanism; 9. a reject bin; 10. a qualified product bin; 11. and (5) a sample to be detected.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.
As shown in fig. 1 and 2, in the present embodiment, there is provided a high-precision medicine appearance defect detecting and dimension measuring system, comprising,
adsorption transmission line 1: for adsorbing the upper side or the lower side of the sample 11 to convey the sample 11;
visual reflecting device 2: for reflecting images representing respective sides of the outside of the sample 11 to be inspected;
multi-face image acquisition device 3: the visual reflecting device 2 is used for collecting images reflected and presented by the visual reflecting device and acquiring the characteristics of each side surface outside the sample 11 to be detected;
the visual reflection device 2 is arranged above and below the adsorption transmission line 1, and the multi-surface image acquisition device 3 is correspondingly arranged above or below the visual reflection device 2. In specific implementation, the visual reflecting device 2 is arranged right above and right below the adsorption transmission line 1; the multi-faceted image acquisition device 3 is located directly above or directly below the visual reflection device 2.
In this embodiment, the system further includes a three-dimensional scanning device 4, where the three-dimensional scanning device 4 is configured to obtain three-dimensional depth information of an outer surface of the sample to be detected 11; a three-dimensional scanning device 4 is arranged above and below the adsorption transmission line 1; the three-dimensional scanning device 4 is arranged at an upstream or downstream of the visual reflection image acquisition device along the transmission direction of the adsorption transmission line 1 at intervals, and can be specifically selected according to actual conditions so as to better meet actual requirements.
In this embodiment, the system further includes a single-sided image acquisition device 5, where the single-sided image acquisition device 5 is configured to acquire images of the upper surface and the lower surface of the sample to be detected 11, and intelligently identify features of the upper surface and the lower surface of the sample to be detected 11; a single-sided image acquisition device 5 is arranged above and below the adsorption transmission line 1; the single-sided image acquisition device 5 is arranged at the downstream or downstream of the visual reflection image acquisition device along the transmission direction of the adsorption transmission line 1 at intervals, and can be specifically selected according to actual conditions so as to better meet actual requirements.
As shown in fig. 3 to 5, in the present embodiment, the adsorption transmission line 1 includes two transmission belts, a front transmission belt 101 and a back transmission belt 102; the front conveying belt 101 and the back conveying belt 102 are provided with a plurality of negative pressure adsorption hole groups at equal intervals along the conveying direction, and each negative pressure adsorption hole group comprises one or more negative pressure adsorption holes which are uniformly distributed and connected with a negative pressure adsorption device. The negative pressure adsorption hole group and the number of the negative pressure adsorption holes can be set according to actual conditions so as to better meet actual requirements, specifically, 1 negative pressure adsorption hole can be set, and the size of the negative pressure adsorption holes is enough to adsorb the sample 11 to be detected; or the negative pressure adsorption holes can be arranged in a plurality and arrayed mode to adsorb the sample 11 to be detected. The negative pressure adsorption hole group is positioned on the central axis of the transmission belt, so that the sample 11 to be detected is positioned in the middle of the transmission belt, and the deflection is avoided, so that the reflection of the visual reflecting device 2 and the collection of the multi-surface image collecting device 3 are influenced.
The front conveying belt 101 and the back conveying belt 102 can also be arranged on the parallel negative pressure adsorption seams for adsorbing the sample 11 to be detected, and the negative pressure adsorption seams are connected with a negative pressure adsorption device. The negative pressure adsorption seam can be directly formed on the transmission belt, or the transmission belt is composed of two or more sub-belts which are distributed at intervals and are transmitted in the same direction, and a negative pressure adsorption seam is formed between two adjacent sub-belts; the form of the negative pressure adsorption seam can be specifically selected according to actual conditions so as to better meet actual demands.
The negative pressure adsorption device can be a blower or other devices capable of realizing the adsorption function, and can be specifically selected according to actual conditions.
The front conveying belt 101 and the back conveying belt 102 are vertically staggered in parallel, the conveying directions of the front conveying belt and the back conveying belt are the same, the downstream end of the upstream conveying belt is overlapped with the upstream end of the downstream conveying belt, and the upstream conveying belt loses the adsorption function at the overlapped part; visual reflection image acquisition devices are arranged above the front surface transmission belt 101 and below the back surface transmission belt 102. In practice, the front conveyor belt 101 or the rear conveyor belt 102 may be disposed upstream according to the actual situation.
In the present embodiment, the front conveying belt 101 is disposed upstream, and the rear conveying belt 102 is disposed downstream; the downstream end of the front conveying belt 101 and the upstream end of the back conveying belt 102 overlap one another; at the overlapping position, the front conveying belt 101 loses the adsorption function, that is, when the front conveying belt 101 carries the sample 11 to be detected to the overlapping position, the system controls the negative pressure adsorption device connected with the negative pressure adsorption hole at the position to stop working, so that the front conveying belt 101 loses the adsorption function at the overlapping position, the sample to be seen at the overlapping position is adsorbed by the back conveying belt 102, and the appearance of the upper side of the sample 11 to be detected on the front conveying belt 101 and the appearance of the lower side of the sample to be detected on the back conveying belt 102 are further ensured.
In this embodiment, the visual reflecting device 2 includes a plurality of reflecting members 201 disposed above the sample 11 and uniformly spaced along the circumferential direction of the sample 11, where the reflecting members 201 are configured to reflect and present images of corresponding sides of the sample 11, and an included angle between the reflecting members 201 and a plane where the sample 11 is located is an obtuse angle.
As shown in fig. 6 to 9, in the present embodiment, on the front conveying belt 101, the visual reflecting device 2 is located directly above the front conveying belt 101, and the image of the sample 11 to be inspected in each reflecting member 201 is captured downward by the multi-surface image capturing device 3 directly above the visual reflecting device 2, so as to simulate oblique multiple viewing angles while observing the upper half of the sample 11 to be inspected, and realize the detection of the upper half of the sample 11 to be inspected. On the back transmission belt 102, the visual reflecting device 2 is located under the back transmission belt 102, the image of the sample 11 to be detected in each reflecting piece 201 is shot upwards through the multi-surface image acquisition device 3 under the visual reflecting device 2, and the lower half part of the sample 11 to be detected is observed simultaneously through simulating oblique multiple visual angles, so that the detection of the lower half part of the sample 11 to be detected is realized.
In this embodiment, the reflecting member 201 is a plane mirror or a prism. Specifically, the selection can be performed according to actual conditions. The number of the reflecting members 201 may be set according to actual conditions. As shown in fig. 6 or 7, the number of the reflecting members 201 is 4, and 6 may be provided in the same manner. The four oblique viewing angles are simulated by the four-sided reflecting member 201, and the defect in the upper half or the lower half of the sample 11 to be inspected is reflected into the reflecting member 201.
In this embodiment, the visual reflecting device 2 includes a first light supplementing member 203 and/or a second light supplementing member 204. A first light supplementing member 203 is arranged on one side of each reflecting member 201 far away from the sample 11 to be detected, and the light path of the first light supplementing member 203 vertically faces the reflecting member 201; the second light supplementing member 204 is located between the multi-surface image capturing device 3 and the visual reflecting device 2, the second light supplementing member 204 is disposed on the periphery of the photographing path of the multi-surface image capturing device 3, and the light emitting surface of the second light supplementing member 204 is inclined and converged toward the center so as to uniformly illuminate the sample 11 to be inspected. The first light supplementing member 203 and the second light supplementing member 204 are light sources.
In order to make the light rays of various visual angles of the sample 11 to be inspected of different specifications uniform, a plurality of lighting schemes are provided: 1. only the first light supplementing member 203 is provided as shown in fig. 11. 2. Only the second light supplementing member 204 is provided as shown in fig. 12; in this case, the sample 11 to be inspected 11 of a specific specification is not required to be uniformly illuminated by means of the side light source light filling, and only the second light filling member 204 is required to be arranged above the sample 11 to be inspected. 3. The first light supplementing member 203 and the second light supplementing member 204 are simultaneously provided as shown in fig. 13.
In this embodiment, the visual reflecting device 2 includes an adjusting member 202 for adjusting the angle and distance between the reflecting member 201 and the sample to be measured.
By adjusting the angles of the four reflectors 201 and the distances between the four reflectors and the sample 11 to be detected, images of each view angle of the upper half of the sample 11 to be detected enter the multi-surface image acquisition device 3 through reflected light. As shown in fig. 9, the multi-surface image pickup device 3 picks up images of both end surfaces of the sample 11 to be inspected by the mirror and the image in the mirror; the multi-surface image pickup device 3 picks up images of both sides of the sample 11 to be inspected by the mirror and the image in the mirror. The left diagram of fig. 9 is a schematic diagram of imaging optical paths at two ends of a sample 11 to be detected; the right figure is an imaging schematic of the side of the sample 11 to be examined.
As shown in fig. 10, in this embodiment, the adjusting member 202 includes an adjusting table 2021, a horizontal guide rod 2022 and an inclined guide rod 2023, the middle part of the adjusting table 2021 is provided with a hollow part penetrating through the upper and lower sides of the adjusting table, a plurality of reflecting members 201 are uniformly distributed under the hollow part along the circumferential direction of the hollow part, horizontal strip holes 2024 penetrating through the upper and lower sides of the adjusting table 2021 corresponding to the upper part of the reflecting members 201 are provided on the adjusting table 2021, the upper and lower ends of the reflecting members 201 are respectively hinged with the horizontal guide rod 2022 and the inclined guide rod 2023, and inclined strip holes 2024 penetrating through the opposite sides of the inclined guide rod 2023 are provided on the inclined guide rod 2023 along the length direction of the inclined guide rod; a first guide post and a second guide post are respectively disposed on the horizontal guide rod 2022 and one end of the horizontal guide rod far away from the reflecting piece 201, and the first guide post and the second guide post respectively extend into the horizontal strip hole 2024 and the inclined strip hole 2024 correspondingly and can reciprocate in the corresponding strip holes. Other means for adjusting the angle and distance may be used for the adjustment member 202.
In order to enable the visual reflecting device 2 to be compatible with the samples 11 to be detected with different specifications, the angle and the distance between the reflecting piece 201 and the samples 11 to be detected are changed by arranging the adjusting piece 202.
When the distance between the reflecting piece 201 and the sample 11 needs to be adjusted, the relative positions of the horizontal guide rod 2022, the inclined guide rod 2023 and the reflecting piece 201 are kept unchanged, and only the first guide rod of the horizontal guide rod 2022 needs to be close to or far from the sample 2 in the horizontal strip hole 2024. When the angle between the reflecting piece 201 and the sample 11 to be detected needs to be adjusted, the position of the upper end of the reflecting mirror is kept unchanged, and the inclined strip hole 2024 is driven to move up and down along the second guide post of the horizontal guide rod 2022, so that the reflecting piece 201 rotates around the fulcrum of the upper end of the reflecting piece 201, and the angle between the reflecting piece 201 and the sample 11 to be detected is changed.
As shown in fig. 14, in this embodiment, the system includes a shaping mechanism 7 for sorting the disordered samples 11 flowing out of the magazine 6 into an ordered arrangement, the inlet of the shaping mechanism 7 being in abutment with the outlet of the magazine 6, the outlet of the shaping mechanism 7 being in abutment with the upstream end of the conveyor belt located upstream.
The shaping mechanism 7 adopts a centrifugal disc, and the centrifugal disc can sequentially arrange and convey the samples to be detected 11 flowing out of the storage box 6 to a conveying belt positioned at the upstream.
As shown in fig. 15, in the present embodiment, the system includes a reject mechanism 8 for placing reject in a reject bin 9, the reject mechanism 8 and the reject bin 9 being disposed at a downstream end of a conveying belt downstream at a distance; the action direction of the rejecting mechanism 8 is perpendicular to the transmission direction of the transmission belt, and the opening of the unqualified product bin 9 faces the action direction of the rejecting mechanism 8, so that the unqualified sample 11 to be detected enters the unqualified product bin 9 under the action of the rejecting mechanism 8.
The removing mechanism 8 adopts a high-pressure air nozzle connected with the air supply equipment, the air injection direction of the air nozzle is perpendicular to the transmission direction of the transmission belt, the sample 11 to be detected is positioned in the air injection range, when the sample 11 to be detected is detected to be a defective product, the system waits for the sample 11 to be detected to move to the downstream end of the transmission belt positioned at the downstream, no other sample 11 to be detected is arranged at the downstream of the sample 11 to be detected, the system controls the removing mechanism 8 to blow air to the sample 11 to be detected, high-pressure air flow blows to the sample 11 to be detected, the sample 11 to be detected overcomes the adsorption force of the negative pressure adsorption hole and is separated from the transmission belt, and the sample 11 to be detected enters the defective product box 9 along the air flow direction. If the sample 11 to be detected on the downstream conveying belt is qualified, the downstream end of the downstream conveying belt automatically loses the adsorption force and enters the qualified product box 10.
In this embodiment, the system may change its structure according to the actual situation of the sample 11 to be inspected when performing defect detection and size measurement. The main components specifically comprise the following three forms:
1. the adsorption transmission line 1, the visual reflecting device 2 and the multi-face image acquisition device 3 are shown in fig. 3.
The visual reflecting device 2 and the multi-sided image pickup device 3 are provided directly above the front surface conveyor belt 101 and directly below the rear surface conveyor belt 102. The sample 11 to be detected enters the front transmission belt 101 after being shaped by the shaping mechanism 7, the front transmission belt 101 drives the sample 11 to be detected to pass through the visual reflecting device 2 and the multi-surface image acquisition device 3 which are arranged above the front transmission belt, the visual reflecting device 2 reflects images of the upper surface of the sample 11 to be detected and four circumferential sides of the upper part of the sample, the multi-surface image acquisition device 3 acquires the images, the multi-surface image acquisition device 3 combines an image algorithm to detect appearance characteristics of the upper surface of the sample 11 to be detected and four circumferential sides of the upper part of the sample, and the appearance characteristics comprise critical dimensions, dirt, black points, foreign matters, breakage, pits and the like of the sample 11 to be detected.
Then the overlapping part of the front surface transmission belt 101 and the back surface transmission belt 102 is absorbed by the back surface transmission belt 102, the back surface transmission belt 102 drives the visual reflecting device 2 and the multi-surface image acquisition, which are positioned below the back surface transmission belt, of the visual reflecting device 2 to reflect the images of the lower surface of the sample 11 to be detected and the circumferential four sides of the lower part of the sample, the multi-surface image acquisition device 3 acquires the images, the multi-surface image acquisition device 3 combines an image algorithm to detect the appearance characteristics of the lower surface of the sample 11 to be detected and the circumferential four sides of the lower part of the sample, including the critical dimension, dirt, black spots, foreign matters, breakage, pits and the like of the sample 11 to be detected.
The detected qualified products then fall into a qualified product bin 10, and unqualified products are rejected by a rejection mechanism 8 into an unqualified product bin 9.
2. The system comprises an adsorption transmission line 1, a three-dimensional scanning device 4, a visual reflecting device 2 and a multi-surface image acquisition device 3, as shown in fig. 4.
A three-dimensional scanning device 4, a visual reflecting device 2, and a multi-sided image pickup device 3 are provided directly above the front surface conveyor belt 101 and directly below the rear surface conveyor belt 102. The sample 11 to be detected enters a front transmission belt 101 after being shaped by a shaping mechanism 7, the front transmission belt 101 drives the sample 11 to be detected to pass through a three-dimensional scanning device 4, a visual reflecting device 2 and a multi-surface image acquisition device 3 which are positioned above the front transmission belt, the three-dimensional scanning device 4 scans three-dimensional depth information of the front surface of the sample 11 to be detected, and the physical appearance characteristics of the sample 11 to be detected are intelligently identified by combining a machine vision technology, including defects such as critical dimensions, holes, pits, convex hulls and breakage of the sample 11 to be detected; the visual reflecting device 2 reflects images of the upper surface and the upper circumferential four sides of the sample 11 to be detected, the multi-surface image acquisition device 3 acquires the images, and the multi-surface image acquisition device 3 combines an image algorithm to detect appearance characteristics of the upper surface and the upper circumferential four sides of the sample 11 to be detected, including key dimensions, dirt, black spots, foreign matters, breakage, pits and the like of the sample 11 to be detected.
Then the overlapping part of the front surface transmission belt 101 and the back surface transmission belt 102 is absorbed by the back surface transmission belt 102, the three-dimensional scanning device 4, the visual reflecting device 2 and the multi-surface image acquisition are arranged below the back surface transmission belt 102, the three-dimensional scanning device 4 scans the three-dimensional depth information of the back surface of the sample 11 to be detected, and the physical appearance characteristics of the sample 11 to be detected are intelligently identified by combining the machine vision technology, including the defects of critical dimension, holes, pits, convex hulls, damage and the like of the sample 11 to be detected; the visual reflecting device 2 reflects images of the lower surface of the sample 11 to be detected and four sides of the lower circumference of the lower surface, the multi-surface image acquisition device 3 acquires the images, and the multi-surface image acquisition device 3 combines an image algorithm to detect appearance characteristics of the lower surface of the sample 11 to be detected and four sides of the lower circumference of the lower surface, including key dimensions, dirt, black spots, foreign matters and the like of the sample 11 to be detected.
The detected qualified products then fall into a qualified product bin 10, and unqualified products are rejected by a rejection mechanism 8 into an unqualified product bin 9.
For conventional medicines without high-precision measurement and detection requirements, the scheme can be adopted. The appearance characteristics of the sample 11 to be detected can be scanned in all directions without dead angles, and the method comprises the following steps: critical dimensions, pits, black spots, dirt, bumps, holes, foreign matter, etc.
3. The system comprises an adsorption transmission line 1, a three-dimensional scanning device 4, a visual reflecting device 2, a multi-face image acquisition device 3 and a single-face image acquisition device 5, as shown in fig. 5.
A three-dimensional scanning device 4, a visual reflecting device 2, a multi-surface image acquisition device 3 and a single-surface image acquisition device 5 are arranged right above the front surface transmission belt 101 and right below the back surface transmission belt 102. The sample 11 to be detected enters a front transmission belt 101 after being shaped by a shaping mechanism 7, the front transmission belt 101 drives the sample 11 to be detected to pass through a three-dimensional scanning device 4, a visual reflecting device 2 and a multi-surface image acquisition device 3 which are positioned above the front transmission belt, the three-dimensional scanning device 4 scans three-dimensional depth information of the front surface of the sample 11 to be detected, and the physical appearance characteristics of the sample 11 to be detected are intelligently identified by combining a machine vision technology, including defects such as critical dimensions, holes, pits, convex hulls and breakage of the sample 11 to be detected; the visual reflecting device 2 reflects images on the upper surface and the upper circumferential four sides of the sample 11 to be detected, the multi-surface image acquisition device 3 acquires the images, and the multi-surface image acquisition device 3 combines an image algorithm to detect appearance characteristics of the upper surface and the upper circumferential four sides of the sample 11 to be detected, including key dimensions, dirt, black points, foreign matters and the like of the sample 11 to be detected; the single-sided image acquisition device 5 acquires the front image information of the sample 11 to be detected, which can acquire the front image information of the sample 11 to be detected with higher precision relative to the multi-sided image acquisition device 3, and combines a high-precision image algorithm to realize the detection of the front appearance characteristics of the sample 11 to be detected with higher precision.
Then the three-dimensional depth information of the back surface of the sample 11 to be detected is scanned by the three-dimensional scanning device 4, the visual reflecting device 2 and the multi-surface image acquisition and single-surface image acquisition device 5 which are positioned below the back surface transmission belt 101 and the back surface transmission belt 102 under the drive of the back surface transmission belt 102, the physical appearance characteristics of the sample 11 to be detected are intelligently identified by combining with a machine vision technology, the defects of critical dimensions, holes, pits, convex hulls, breakage and the like of the sample 11 to be detected are included, the images of the lower surface of the sample 11 to be detected reflected by the visual reflecting device 2 and the four circumferential sides of the lower surface of the sample 11 to be detected are acquired by the multi-surface image acquisition device 3, and the appearance characteristics of the lower surface of the sample 11 to be detected and the four circumferential sides of the lower surface of the sample 11 to be detected are detected by combining with an image algorithm by the multi-surface image acquisition device 3, and the appearance characteristics of the sample 11 to be detected include critical dimensions, dirt, black spots, foreign matters and the like; a single-sided image acquisition device 5; the single-sided image acquisition device 5 acquires the back image information of the sample to be detected 11 with higher precision relative to the multi-sided image acquisition device 3, and combines a high-precision image algorithm to realize the detection of the back appearance characteristics of the sample to be detected 11 with higher precision, and mainly comprises the key size, dirt, black spots, foreign matters and the like of the sample to be detected 11, so as to meet the requirements of customers on high-precision measurement and appearance detection.
The detected qualified products then fall into a qualified product bin 10, and unqualified products are rejected by a rejection mechanism 8 into an unqualified product bin 9.
For medicines with high-precision measurement and detection requirements, the scheme can be adopted. The appearance characteristics of the sample 11 to be detected can be scanned in all directions without dead angles, and the method comprises the following steps: critical dimensions, pits, black spots, dirt, bumps, holes, foreign matter, etc.
By combining the three schemes, in this embodiment, the system adopts a mode of combining a three-dimensional technology and a two-dimensional technology, and scans the appearance characteristics of the sample 11 to be detected. If the defect exhibits significant physical characteristics: the system is more suitable for detecting three-dimensional depth information, namely, the system comprises a three-dimensional scanning device 4; if the defect exhibits a distinct color appearance characteristic: different colors, dirt, black spots, etc., are more suitable for detecting two-dimensional image information, i.e., the system configuration does not include the three-dimensional scanning device 4.
By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:
the utility model provides a high-precision drug appearance defect detection and dimension measurement system, which adopts a mode of combining a three-dimensional technology and a two-dimensional technology to scan appearance characteristics of a sample to be detected. The defects of the upper half part or the lower half part of the sample to be detected are reflected to each reflecting mirror through the plurality of reflecting pieces to simulate each oblique view angle, and the image acquisition device is required to acquire at least two images of the upper part and the lower part of the sample to be detected through the visual reflecting device, so that the omnibearing detection of the sample to be detected can be realized, the number of cameras is greatly reduced, and the debugging difficulty is reduced. The adjusting piece is arranged to change the included angle and the distance between the reflecting piece and the sample to be detected, so that the visual reflecting device is used for the samples to be detected with different sizes. The sample to be detected is turned over by arranging the adsorption transmission line, so that the sample to be detected is detected in an omnibearing manner without dead angles. The problems that the medicine full-inspection equipment has more cameras, large debugging difficulty, incomplete detection, low detection efficiency, incapability of measuring critical dimensions and the like are solved.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.
Claims (10)
1. A high-precision medicine appearance defect detection and dimension measurement system is characterized in that: comprising the steps of (a) a step of,
adsorption transmission line: the device is used for adsorbing the upper side or the lower side of the sample to be detected so as to convey the sample to be detected;
visual reflecting device: for reflecting images representing the outer sides of the sample to be inspected;
the multi-face image acquisition device comprises: the visual reflection device is used for collecting images reflected and presented by the visual reflection device and obtaining the characteristics of each side face outside the sample to be detected;
the upper and lower parts of the adsorption transmission line are respectively provided with a visual reflecting device, and the multi-surface image acquisition device is correspondingly arranged above or below the visual reflecting device.
2. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 1, wherein: the visual reflecting device comprises a plurality of reflecting pieces which are arranged above or below the sample to be detected and uniformly arranged at intervals along the circumferential direction of the sample to be detected, wherein the reflecting pieces are used for reflecting and displaying images of the upper surface, the lower surface and the circumferential sides of the sample to be detected, and an included angle between each reflecting piece and a plane where the sample to be detected is located is an obtuse angle.
3. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 2, wherein: the reflecting piece is a plane reflecting mirror or a prism.
4. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 2, wherein: the visual reflecting device comprises a first light supplementing piece and/or a second light supplementing piece;
a first light supplementing piece is arranged on one side, far away from the sample to be detected, of each reflecting piece, and the light path of the first light supplementing piece faces the reflecting piece vertically;
the second light supplementing piece is located between the multi-face image acquisition device and the visual reflecting device, the second light supplementing piece is arranged on the periphery of a shooting path of the multi-face image acquisition device, and the luminous surface of the second light supplementing piece is inclined to the center to converge so as to uniformly illuminate a sample to be detected.
5. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 2, wherein: the visual reflecting device comprises an adjusting piece for adjusting the angle and the distance between the reflecting piece and the sample to be measured.
6. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 1, wherein: the system comprises a three-dimensional scanning device, wherein the three-dimensional scanning device is used for acquiring three-dimensional depth information of the outer surface of a sample to be detected;
three-dimensional scanning devices are arranged above and below the adsorption transmission line; the three-dimensional scanning device is arranged at intervals on the upstream or downstream of the visual reflecting device along the transmission direction of the adsorption transmission line.
7. The high-precision pharmaceutical product appearance defect detection and dimension measurement system of claim 1, wherein: the system comprises a single-sided image acquisition device, a detection device and a detection device, wherein the single-sided image acquisition device is used for acquiring images of the upper surface and the lower surface of a sample to be detected, and intelligently identifying the characteristics of the upper surface and the lower surface of the sample to be detected;
a single-sided image acquisition device is arranged above and below the adsorption transmission line; the single-sided image acquisition device is arranged at intervals on the upstream or downstream of the visual reflecting device along the transmission direction of the adsorption transmission line.
8. The high precision pharmaceutical appearance defect detection and sizing system of any one of claims 1 to 7, wherein: the adsorption transmission line comprises a front transmission belt, a back transmission belt and a negative pressure adsorption device; the front conveying belt and the back conveying belt are provided with negative pressure adsorption seams or a plurality of negative pressure adsorption hole groups at uniform intervals along the conveying direction, and each negative pressure adsorption hole group comprises one or a plurality of negative pressure adsorption holes which are uniformly distributed and connected with a negative pressure adsorption device; the negative pressure adsorption seam is connected with the negative pressure adsorption device;
the front conveying belt and the back conveying belt are vertically staggered in parallel, the conveying directions of the front conveying belt and the back conveying belt are the same, the downstream end of the upstream conveying belt is overlapped with the upstream end of the downstream conveying belt, and the upstream conveying belt loses the adsorption function at the overlapped part; the visual reflection device and the multi-face image acquisition device are arranged above the front face transmission belt and below the back face transmission belt, or the visual reflection device, the multi-face image acquisition device and the three-dimensional scanning device are arranged, or the visual reflection device, the multi-face image acquisition device, the three-dimensional scanning device and the single-face image acquisition device are arranged.
9. The high-precision pharmaceutical product appearance defect detection and sizing system of claim 8, wherein: the system comprises a shaping mechanism for arranging the unordered samples to be detected flowing out of the storage box into ordered arrangement, wherein an inlet of the shaping mechanism is in butt joint with an outlet of the storage box, and an outlet of the shaping mechanism is in butt joint with an upstream end of an upstream transmission belt.
10. The high-precision pharmaceutical product appearance defect detection and sizing system of claim 8, wherein: the system comprises a rejecting mechanism for placing unqualified products into a unqualified product box, wherein the rejecting mechanism and the unqualified product box are arranged at the downstream end of a downstream conveying belt at intervals; the action direction of the rejecting mechanism is perpendicular to the transmission direction of the transmission belt, and the opening of the unqualified product material box faces to the action direction of the rejecting mechanism, so that the unqualified sample to be detected enters the unqualified product material box under the action of the rejecting mechanism.
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| CN202321362200.2U CN219915411U (en) | 2023-05-31 | 2023-05-31 | High-precision medicine appearance defect detection and dimension measurement system |
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| CN202321362200.2U CN219915411U (en) | 2023-05-31 | 2023-05-31 | High-precision medicine appearance defect detection and dimension measurement system |
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