Optical detection device for foreign matters in medicine bubble cap

Abstract

The utility model discloses an optical detection device for foreign matters in a medicine bubble cap, and relates to the technical field of medicine packaging quality detection. The turnover device comprises a workbench, a turnover mechanism is arranged on one side of the bottom of the workbench, and a fixing mechanism is arranged in an inner cavity of the turnover mechanism. According to the turnover mechanism, the connecting plate is driven to rotate through the motor, the shifting pin is driven to be matched with the grooved wheel to achieve accurate rotation of the rotating rod, then the rotating plate is driven to turn over synchronously, the tablet bubble cap placed on the rotating plate can be driven to complete angle conversion, and compared with the mode that only the single surface of the bubble cap can be detected in the prior art, the detection efficiency is improved. The bubble cap can be turned over easily, the other face, facing downwards originally, of the bubble cap is turned over into the detection view field, detection blind areas of the bottom and the side face of the bubble cap are thoroughly eliminated, it is ensured that all areas of the bubble cap can be effectively detected, and the problem of missing detection caused by the fact that foreign matter is attached to the non-detection face is solved; and the comprehensiveness and the accuracy of tablet bubble cap foreign matter detection are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medicine package quality detection, especially relate to a medicine blister internal foreign matter optical detection device. BACKGROUND

[0002] The medicine blister package is the core protection carrier of solid preparations such as tablets and capsules, and the existence of internal foreign matters (such as metal debris, hair, bubbles, glass particles, etc.) directly violates the drug production quality management specification, and may cause drug pollution, drug efficacy reduction or even patient medication safety risk, so the blister internal foreign matter detection is the core link of quality control in the pharmaceutical industry.

[0003] A patent application with publication number CN215796447U discloses a tablet blister detection device, which comprises a bottom shell, and the inner cavity of the display is provided with a heat dissipation mechanism comprising a first motor, a first grooved wheel, a belt, a second grooved wheel, a rotating rod, a fan blade and a breathable mesh, two rotating rods are rotatably connected to the inner cavity of the display on both sides through bearings, one side of each rotating rod is provided with a breathable mesh, and two breathable meshes are installed on both sides of the display. The tablet blister detection device, through the cooperation between the first motor, the first grooved wheel, the belt, the second grooved wheel, the rotating rod and the fan blade, the rotation of the first grooved wheel can drive the two second grooved wheels to rotate at the same time, and then the second grooved wheel can drive the fan blade to dissipate heat in the inner cavity of the display through the rotating rod, solving the problem that the inner cavity of the display has no heat dissipation system, which may affect the service life.

[0004] Although the patent can continuously convey and surface imaging detect the tablet blisters on the conveying belt through the cooperation of the camera and the conveying belt, realize the automation of the tablet blister foreign matter detection, and reduce the subjective error of manual detection, the device can only image the single surface of the blister facing upward, cannot realize the overturning operation of the blister, and causes the other side of the blister facing downward to be always in the detection blind area. Since the tablet blisters are mostly arc convex structures, the foreign matters may be attached to the bottom or side of the blister, and the single-angle detection cannot cover the whole area of the blister, which is easy to cause the missed detection of the tiny foreign matters attached to the non-detection surface, further affect the quality safety of the medicine package, cannot meet the demand of the all-around dead-angle-free detection of the blister, and only relies on the friction force of the surface of the conveying belt to realize the positioning of the blister. When facing different specifications of the tablet blisters, the conveying belt cannot accurately position the blisters, and the blisters are easy to deviate or shake during the conveying process, which not only causes the imaging area of the camera to be misaligned, but also affects the detection precision.

[0005] Therefore, we provide a medicine blister internal foreign matter optical detection device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of drug blister internal foreign matter optical detection devices, by the cooperation of overturning mechanism and fixed mechanism, the problem that the existing drug blister internal foreign matter optical detection device exists detection blind area, cannot adapt to different size blister is solved.

[0007] To solve the above technical problems, the utility model is realized by the following technical solutions.

[0008] The utility model discloses a kind of drug blister internal foreign matter optical detection devices, including workbench, the workbench bottom side is provided with overturning mechanism, fixed mechanism is provided in the inner chamber of overturning mechanism, the overturning mechanism includes motor, the motor side is fixedly connected with workbench, the motor output end is fixedly connected with connecting plate, the both sides of connecting plate are fixedly connected with push pin, the front side of connecting plate is fixedly connected with lock plate, the top of lock plate is slidably connected with grooved wheel, the inboard of grooved wheel is fixedly connected with rotating rod, the side of rotating rod is rotatably connected with workbench, the side of grooved wheel is provided with rotating plate, the side of rotating plate is fixedly connected with rotating rod, the other side of rotating plate is rotatably connected with workbench, the rear side of motor is fixedly connected with mounting plate, and the top of mounting plate is fixedly connected with workbench, can provide stable support for motor, four notches are set on the surface of grooved wheel and cooperate with push pin, intermittent motion is generated, can make rotating plate drive blister overturn every time is ninety degrees, lock plate can be closely attached to the surface of grooved wheel and form limit when push pin and the notch of grooved wheel are disengaged, avoid that grooved wheel produces additional rotation due to inertia or external vibration, ensure that grooved wheel only rotates according to preset trajectory under the drive of push pin every time.

[0009] The utility model further sets up, the fixed mechanism includes movable rod, the surface of movable rod is rotatably connected with rotating plate, the bottom of movable rod is fixedly connected with driving bevel gear, the side of the bottom of driving bevel gear is engaged with driven bevel gear, the inboard of driven bevel gear is fixedly connected with bidirectional screw rod, the other side of bidirectional screw rod is rotatably connected with rotating plate, the surface of bidirectional screw rod is threadedly connected with adjusting plate, the other side of adjusting plate is slidably connected with workbench, the inner chamber of adjusting plate is slidably connected with clamping plate, the both sides of the top of clamping plate are fixedly connected with spring, the top of clamping plate is fixedly connected with pull rod, the top of pull rod is slidably connected with adjusting plate, the self-locking characteristic of bidirectional screw rod can automatically lock the relative position of screw rod and adjusting plate after adjusting plate is adjusted to the position of adapting blister size, prevent adjusting plate from accidental sliding due to external force.

[0010] The utility model further sets up, the top of adjusting plate is provided with pull plate, the bottom of pull plate is fixedly connected with pull rod, and pull plate provides more easily forced operating part for operator, so that worker does not need to directly grab small pull rod, just pull plate is pulled upwards can drive clamping plate synchronous upward migration.

[0011] The utility model further sets up, fixedly connected with slide bar one side in the inner chamber of rotation board, the surface of slide bar and the adjusting plate slide, and slide bar can limit the activity range and operation mode of adjusting plate.

[0012] The utility model further sets up, the top of rotation board is provided with knob, the bottom of knob and movable rod fixed connection, and knob and movable rod fixed connection, and the operator need not with the help of additional tool, need only direct rotation knob can drive movable rod rotation, and further through driving two -way screw rod adjusting adjusting plate spacing through driving sprocket.

[0013] The utility model further sets up, the spring inner chamber is provided with limit rod, the bottom of limit rod and clamping plate fixed connection, the top of limit rod and adjusting plate sliding connection, and limit rod can prevent the deflection, inclination or distortion misplacement of spring telescopic process because of lateral force.

[0014] The utility model further sets up, the inner chamber of adjusting plate is provided with protective pad, the top of protective pad and clamping plate fixed connection, and protective pad has the soft characteristic, can form buffer layer when clamping plate exerts vertical clamping force to bubble cap, avoids the hard surface of clamping plate directly with bubble cap contact.

[0015] The utility model further sets up, the inner chamber of adjusting plate is provided with sliding slot, the sliding slot inner chamber sliding connection has slider, the other side of slider and clamping plate fixed connection, and sliding slot and slider can provide accurate guide and limit for clamping plate.

[0016] The utility model has the advantages of the following.

[0017] 1, the utility model turns over mechanism through motor drive connecting plate rotation, drives the accurate rotation of rotation lever with the cooperation of ratchet wheel and slot wheel, and further drives the synchronous overturning of rotation board, can drive the angle conversion of bubble cap for placing on rotation board, compared with the mode that only can detect single surface of bubble cap in prior art, can easily realize bubble cap turning, turns the other side of originally downward bubble cap to the detection visual field range, thoroughly eliminates the detection blind area of bubble cap bottom and side, ensures that each area of bubble cap can be effectively detected, avoids the missed detection problem caused by the attachment of foreign matter on non-detection surface, significantly improves the comprehensiveness and accuracy of bubble cap foreign matter detection of medicine tablet, guarantees the quality and safety of medicine packaging.

[0018] 2. The fixing mechanism drives the driving bevel gear to rotate through the movable rod, the driving bevel gear meshes with the driven bevel gear to drive the bidirectional screw rod to rotate, the adjusting plates on the surface of the bidirectional screw rod rotate with the screw rod to realize relative approaching or moving away, the distance between the two adjusting plates can be flexibly adjusted according to the actual size of the blister, without replacing special fixing components, the precise positioning of the blisters of different specifications and different sizes can be realized, the poor adaptability of the fixing structure during the detection of multi-specification blisters is effectively solved, the application range of the device in diversified production scenes is greatly improved, and the universality and practicality of the device are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced.

[0020] Figure 1 It is a perspective view of a drug blister internal foreign matter optical detection device.

[0021] Figure 2 It is a perspective view of a turnover mechanism in a drug blister internal foreign matter optical detection device.

[0022] Figure 3 It is a perspective view of a fixing mechanism in a drug blister internal foreign matter optical detection device.

[0023] Figure 4 It is an enlarged view of A in a drug blister internal foreign matter optical detection device.

[0024] Figure 5 It is an enlarged view of B in a drug blister internal foreign matter optical detection device.

[0025] In the drawings: 1, workbench; 2, turnover mechanism; 201, motor; 202, connecting plate; 203, push pin; 204, locking plate; 205, grooved wheel; 206, rotating rod; 207, rotating plate; 3, fixing mechanism; 301, movable rod; 302, driving bevel gear; 303, driven bevel gear; 304, bidirectional screw rod; 305, adjusting plate; 306, clamping plate; 307, spring; 308, pull rod; 4, pull plate; 5, sliding rod; 6, knob; 7, limiting rod; 8, protective pad; 9, sliding groove; 10, sliding block. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described below in combination with the drawings in the embodiments of the present application, and the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0027] Embodiment one

[0028] Please refer to Figures 1-5The utility model discloses a kind of medicine blister internal foreign matter optical detection devices, including workbench 1, workbench 1 bottom side is provided with turnover mechanism 2, fixed mechanism 3 is provided in the inner cavity of turnover mechanism 2, turnover mechanism 2 includes motor 201, motor 201 side is fixedly connected with workbench 1, motor 201 output end is fixedly connected with connecting plate 202, connecting plate 202 both sides are fixedly connected with the pin 203, connecting plate 202 front side is fixedly connected with locking plate 204, locking plate 204 top is slidably connected with grooved wheel 205, the inner side of grooved wheel 205 is fixedly connected with rotating rod 206, rotating rod 206 side is rotatably connected with workbench 1, the side of grooved wheel 205 is provided with rotating plate 207, the side of rotating plate 207 is fixedly connected with rotating rod 206, the other side of rotating plate 207 is rotatably connected with workbench 1.

[0029] Specifically: motor 201 rear side is fixedly connected with mounting plate, and mounting plate top is fixedly connected with workbench 1, and the stable support can be provided for motor 201, four notches are set on the surface of grooved wheel 205 and cooperate with pin 203, intermittent motion is generated, rotating plate 207 can be driven to turn every time Blister is ninety degrees, locking plate 204 can be closely attached to the surface of grooved wheel 205 and form limit when pin 203 and the notch of grooved wheel 205 are disengaged, avoid that grooved wheel 205 produces additional rotation due to inertia or external vibration, ensure that grooved wheel 205 only rotates according to preset track under the drive of pin 203 each time.

[0030] Embodiment two

[0031] Please refer to Figures 1-5On the basis of embodiment one, the fixing mechanism 3 comprises a movable rod 301, the surface of the movable rod 301 is rotationally connected with the rotating plate 207, the bottom of the movable rod 301 is fixedly connected with a driving bevel gear 302, one side of the bottom of the driving bevel gear 302 is engaged with a driven bevel gear 303, the inner side of the driven bevel gear 303 is fixedly connected with a bidirectional screw rod 304, the other side of the bidirectional screw rod 304 is rotationally connected with the rotating plate 207, the surface of the bidirectional screw rod 304 is threadedly connected with an adjusting plate 305, the other side of the adjusting plate 305 is slidingly connected with the workbench 1, the inner cavity of the adjusting plate 305 is slidingly connected with a clamping plate 306, both sides of the top of the clamping plate 306 are fixedly connected with springs 307, the top of the clamping plate 306 is fixedly connected with a pull rod 308, the top of the pull rod 308 is slidingly connected with the adjusting plate 305, the top of the adjusting plate 305 is provided with a pull plate 4, the bottom of the pull plate 4 is fixedly connected with the pull rod 308, one side of the inner cavity of the rotating plate 207 is fixedly connected with a sliding rod 5, the surface of the sliding rod 5 is slidingly connected with the adjusting plate 305, the top of the rotating plate 207 is provided with a knob 6, the bottom of the knob 6 is fixedly connected with the movable rod 301, the inner cavity of the spring 307 is provided with a limiting rod 7, the bottom of the limiting rod 7 is fixedly connected with the clamping plate 306, the top of the limiting rod 7 is slidingly connected with the adjusting plate 305, the inner cavity of the adjusting plate 305 is provided with a protective pad 8, the top of the protective pad 8 is fixedly connected with the clamping plate 306, the inner cavity of the adjusting plate 305 is provided with a sliding groove 9, the inner cavity of the sliding groove 9 is slidingly connected with a sliding block 10, the other side of the sliding block 10 is fixedly connected with the clamping plate 306.

[0032] Specifically: the self-locking characteristic of the bidirectional screw rod 304 can automatically lock the relative position of the screw rod and the adjusting plate 305 after the adjusting plate 305 is adjusted to the position suitable for the size of the bubble cap, preventing the adjusting plate 305 from accidentally sliding due to external force, the pull plate 4 provides an operation part that is easier for the operator to exert force, without directly grabbing the small pull rod 308, only need to pull the pull plate 4 upwards to drive the clamping plate 306 to move upwards synchronously, the sliding rod 5 can limit the activity range and operation mode of the adjusting plate 305, the knob 6 is fixedly connected with the movable rod 301, the operator does not need to use additional tools, only needs to directly rotate the knob 6 to drive the movable rod 301 to rotate, and then drives the bidirectional screw rod 304 to adjust the distance between the adjusting plate 305 through the driving of the driving bevel gear 302, the limiting rod 7 can prevent the spring 307 from deviating, tilting or twisting during the extension and contraction process, the protective pad 8 has a soft characteristic, which can form a buffer layer when the clamping plate 306 exerts a vertical clamping force on the bubble cap, avoiding the hard surface of the clamping plate 306 directly contacting the bubble cap, the sliding groove 9 and the sliding block 10 can provide accurate guidance and limiting for the clamping plate 306.

[0033] The utility model discloses a working principle is: when using, rotate knob 6, and knob 6 drives movable rod 301 to rotate, and movable rod 301 drives driving bevel gear 302 to rotate, and driving bevel gear 302 drives driven bevel gear 303 to rotate, and driven bevel gear 303 drives bidirectional screw rod 304 to rotate, and bidirectional screw rod 304 drives both sides adjusting plate 305 to move to the inboard simultaneously, and according to bubble cap size adjustment clamping spacing, and then pull the pull plate 4, and pull plate 4 drives pull rod 308 to move, and pull rod 308 drives the clamping plate 306 to go up and compress spring 307, and then put both sides bubble cap between the clamping plate 306 and adjusting plate 305, and loosen pull plate 4, and spring 307 stretches and drives the clamping plate 306 to clamp and fix bubble cap, and through the detection component on the top of workbench 1 to its detection, and after detection, motor 201 starts and drives connecting plate 202 to rotate, and connecting plate 202 drives the shift pin 203 and lock plate 204 to rotate, and lock plate 204 removes the locking of the notch wheel 205, and the shift pin 203 drives notch wheel 205 to rotate through the slot, and notch wheel 205 drives rotating rod 206 to rotate, and rotating rod 206 drives rotating plate 207 to rotate, and then turn over bubble cap, especially suitable for product batch replacement frequent small and medium-sized pharmaceutical production enterprises or research and development test link.

[0034] The above disclosed utility model preferred embodiment only is used for helping the elaboration of the utility model, and preferred embodiment has not described all the details, and also not limit that the utility model is only the specific implementation mode, and the description selects and specifically describes these embodiments, is in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can understand and utilize the utility model very well.

Claims

1. A device for optical detection of foreign objects inside a blister of a pharmaceutical product, comprising a worktable (1), characterized in that: The bottom side of the workbench (1) is provided with a turnover mechanism (2), and the inner cavity of the turnover mechanism (2) is provided with a fixing mechanism (3); The turnover mechanism (2) comprises a motor (201), one side of the motor (201) is fixedly connected with the workbench (1), the output end of the motor (201) is fixedly connected with a connecting plate (202), both sides of the connecting plate (202) are fixedly connected with a push pin (203), the front side of the connecting plate (202) is fixedly connected with a locking plate (204), the top of the locking plate (204) is slidably connected with a groove wheel (205), the inner side of the groove wheel (205) is fixedly connected with a rotating rod (206), one side of the rotating rod (206) is rotatably connected with the workbench (1), one side of the groove wheel (205) is provided with a rotating plate (207), one side of the rotating plate (207) is fixedly connected with the rotating rod (206), and the other side of the rotating plate (207) is rotatably connected with the workbench (1).

2. The apparatus for optical detection of foreign matter inside a blister of a pharmaceutical product according to claim 1, characterized in that: The fixing mechanism (3) comprises a movable rod (301), the surface of the movable rod (301) is rotatably connected with the rotating plate (207), the bottom of the movable rod (301) is fixedly connected with a driving bevel gear (302), one side of the bottom of the driving bevel gear (302) is engaged with a driven bevel gear (303), the inner side of the driven bevel gear (303) is fixedly connected with a bidirectional screw rod (304), the other side of the bidirectional screw rod (304) is rotatably connected with the rotating plate (207), the surface of the bidirectional screw rod (304) is threadedly connected with an adjusting plate (305), the other side of the adjusting plate (305) is slidably connected with the workbench (1), the inner cavity of the adjusting plate (305) is slidably connected with a clamping plate (306), both sides of the top of the clamping plate (306) are fixedly connected with a spring (307), the top of the clamping plate (306) is fixedly connected with a pull rod (308), and the top of the pull rod (308) is slidably connected with the adjusting plate (305).

3. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The top of the adjusting plate (305) is provided with a pull plate (4), and the bottom of the pull plate (4) is fixedly connected with the pull rod (308).

4. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The inner cavity of the rotating plate (207) is fixedly connected with a sliding rod (5) on one side, and the surface of the sliding rod (5) is slidably connected with the adjusting plate (305).

5. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The top of the rotating plate (207) is provided with a knob (6), and the bottom of the knob (6) is fixedly connected with the movable rod (301).

6. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The inner cavity of the spring (307) is provided with a limiting rod (7), the bottom of the limiting rod (7) is fixedly connected with the clamping plate (306), and the top of the limiting rod (7) is slidably connected with the adjusting plate (305).

7. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The inner cavity of the adjusting plate (305) is provided with a protective pad (8), and the top of the protective pad (8) is fixedly connected with the clamping plate (306).

8. The apparatus for optical detection of foreign objects inside a blister of a pharmaceutical product according to claim 2, characterized in that: The inner cavity of the adjusting plate (305) is provided with a sliding groove (9), the inner cavity of the sliding groove (9) is slidably connected with a sliding block (10), and the other side of the sliding block (10) is fixedly connected with the clamping plate (306).

Images