Oral liquid light inspection and feeding system

Abstract

The application provides an oral liquid light detection walking system, and belongs to the technical field of medical automatic production equipment. The system comprises a rack, a feeding mechanism, a discharging mechanism and a guide mechanism. The feeding mechanism comprises a driving rotating wheel, a guide rotating wheel, a toothed belt and a carrier track. The toothed belt is pulled by a driving gear and a guide gear. A certain positioning groove is formed between the adjacent teeth on the inner side of the toothed belt. The carrier track comprises two guide rods which are parallel to each other and located above the toothed belt. The distance between the two guide rods is matched with the outer diameter of the bottle neck of the oral liquid bottle. The teeth of the guide rotating wheel and the toothed belt form a clamping hole for clamping the upper part of the oral liquid bottle. The guide rod comprises a guide section, a feeding section and a discharging section. The guide section is parallel to the toothed belt. The feeding section is connected to the discharging end of the feeding mechanism. The discharging section is connected to the feeding end of the discharging mechanism. The application has the advantages of high detection precision.

Description

Technical Field

[0001] This invention belongs to the technical field of pharmaceutical automated production equipment, and relates to an oral liquid photoelectric detection material feeding system. Background Technology

[0002] Optical inspection before packaging oral liquids uses a vision system to detect visible foreign objects mixed in the product, thereby marking or removing defective products. Inspection equipment generally includes a feeding system, a detection system, and a servo system. The feeding system is responsible for the online movement of the bottled oral liquids, allowing each oral liquid to pass through the detection end of the detection system one by one. The servo system is responsible for the coordination of each system.

[0003] When the oral liquid being tested enters the photoelectric detection area, the light source continuously illuminates the bottle, and an industrial camera takes high-speed pictures of the object. If any impurities are found in the liquid inside the bottle, they can be identified through image comparison. To achieve multiple anomaly detection methods, in addition to setting up detection for fill volume, color, impurities, and capping, any anomaly is considered a defective product.

[0004] Most existing feeding systems use a dual-rotor structure, where oral liquid bottles are clamped by two rotating wheels positioned vertically. The bottom wheel has a loading port, and the top wheel has an elastic pressure head. Feeding and unloading are achieved by releasing the elastic pressure head on the top wheel. The dual wheels rotate synchronously, allowing the clamped oral liquid bottles to pass through various monitoring zones. In this method, the bottom of the oral liquid bottle is blocked, and the optical inspection camera can only photograph the circumference of the bottle from the side. Due to refraction and reflection, photographing the curved surface will inevitably cause color difference, which greatly interferes with image comparison. In addition, since impurities and other foreign objects generally sink to the bottom, there is a blind spot for impurity monitoring when photographing the circumference of the bottle, and it is also inconvenient to perform capping detection. Finally, the clamping feeding method can cause wear and tear on the bottle cap and bottom. Summary of the Invention

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by providing an oral liquid optical inspection feeding system. The technical problem to be solved by this invention is how to provide a better imaging environment for optical inspection of oral liquid bottles during transportation.

[0006] The objective of this invention can be achieved through the following technical solution: An oral liquid photoelectric detection and feeding system, characterized in that it includes a frame, a feeding mechanism, a discharging mechanism, and a guiding mechanism. The guiding mechanism includes a drive wheel, a guiding wheel, a toothed belt, and a carrying track. The toothed belt is pulled by a drive gear and a guiding gear. A positioning groove is formed between adjacent teeth on the inner side of the toothed belt. The carrying track includes two parallel guiding rods located above the toothed belt. The distance between the two guiding rods is adapted to the outer diameter of the bottleneck of the oral liquid bottle. A clamping hole for clamping the upper part of the oral liquid bottle is formed between the teeth of the guiding wheel and the teeth of the toothed belt. A color detection unit and an impurity detection unit are provided below the oral liquid bottle at the meshing part of the toothed belt and the guiding gear. A capping detection unit is provided above the oral liquid bottle at the meshing part of the toothed belt and the guiding gear. A filling quantity detection unit is provided on the inner side of the toothed belt at one of the straight sections of the toothed belt.

[0007] The guide rod includes a guide section, an infeed section, and an outfeed section. The guide section is parallel to the toothed belt. The infeed section is connected to the outfeed end of the infeed mechanism, and the outfeed section is connected to the infeed end of the outfeed mechanism.

[0008] Furthermore, the feeding mechanism includes a feeding track, an auxiliary guide rail, and a spiral limiting structure. The auxiliary guide rail is parallel to the vertical section of the feeding track, and the end of the feeding track smoothly transitions to the beginning of the feeding section. Both the feeding track and the auxiliary guide rail are two limiting rod structures with a distance between them. The spiral limiting structure includes multiple limiting screws, and adjacent limiting screws are connected by universal joints.

[0009] Furthermore, the discharge mechanism includes a discharge chain, which is driven by two sprockets. Each link of the discharge chain is provided with two mutually perpendicular carrier plates. The carrier plates are inclined at an angle of 30 to 60° to the horizontal plane at the horizontal section of the discharge chain. The end of the discharge section is located at the arc-shaped section of the discharge chain.

[0010] Traditional optical inspection systems typically require a clamping structure to act on the top and bottom of the oral liquid bottle, making the monitoring surface the circumference of the bottle. When straight light shines on the bottle with its gradually varying thickness, significant color differences are created, increasing the difficulty of pattern comparison. At the same time, external lighting conditions and objects around the optical inspection area can also create new obstacles to the comparison of the captured patterns, which is not conducive to improving the accuracy and efficiency of optical inspection.

[0011] In this solution, within the fan-shaped area where the feed roller and the toothed belt mesh, the gap between adjacent teeth decreases due to the bending of the toothed belt, clamping and positioning the oral liquid bottle. The camera then takes pictures from the bottom of the oral liquid bottle upwards to monitor for discoloration and impurities, especially those that have settled to the bottom. In the straight section of the toothed belt, the oral liquid bottle is suspended, with the portion inside the toothed belt almost completely exposed, used to monitor the volume of the oral liquid. Throughout the entire feed path, the top and bottom of the oral liquid bottle are not obstructed, allowing the camera used for capping detection to be implemented effectively, providing a good shooting angle and camera placement space for various detections. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the oral liquid photoelectric detection and feeding system.

[0013] Figure 2 yes Figure 1 A schematic diagram of the structure after removing the oral liquid bottle.

[0014] Figure 3 yes Figure 2 A schematic diagram of the structure after removing the material loading track.

[0015] Figure 4 This is a schematic diagram of the material loading track.

[0016] Figure 5 This is a schematic diagram of the spiral limiting structure.

[0017] Figure 6 This is a schematic diagram of the spiral limiting structure guiding and transporting oral liquid bottles.

[0018] Figure 7 This is a schematic diagram of the material discharge mechanism.

[0019] Figure 8 This is a three-dimensional structural diagram of the material guide roller.

[0020] In the diagram, 1. Drive wheel; 2. Guide wheel; 3. Toothed belt; 31. Positioning groove; 32. Clamping hole; 4. Loading track; 51. Discoloration detection unit; 52. Impurity detection unit; 53. Crimping detection unit; 54. Filling quantity detection unit; 6. Feed track; 7. Auxiliary guide rail; 8. Spiral limiting structure; 9. Discharge chain; 91. Sprocket. Detailed Implementation

[0021] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0022] For example, 1- Figure 8The oral liquid optical inspection and feeding system shown includes a frame, a feeding mechanism, a discharging mechanism, and a guiding mechanism. The guiding mechanism includes a drive wheel 1, a guiding wheel 2, a toothed belt 3, and a carrying track 4. The toothed belt 3 is pulled by a drive gear and a guiding gear. A positioning groove 31 is formed between adjacent teeth on the inner side of the toothed belt 3. The carrying track 4 includes two parallel guiding rods located above the toothed belt 3. The distance between the two guiding rods is adapted to the outer diameter of the neck of the oral liquid bottle. A clamping hole 32 is formed between the teeth of the guiding wheel 2 and the teeth of the toothed belt 3 to clamp the upper part of the oral liquid bottle. A color detection unit 51 and an impurity detection unit 52 are set below the oral liquid bottle at the meshing part of the toothed belt 3 and the guiding gear. A capping detection unit 53 is set above the oral liquid bottle at the meshing part of the toothed belt 3 and the guiding gear. A filling quantity detection unit 54 is set on the inner side of the toothed belt 3 at one of the straight sections of the toothed belt 3.

[0023] The guide rod includes a guide section, an infeed section, and an outfeed section. The guide section is parallel to the toothed belt 3. The infeed section is connected to the outfeed end of the infeed mechanism, and the outfeed section is connected to the infeed end of the outfeed mechanism.

[0024] The feeding mechanism includes a feeding track 6, an auxiliary guide rail 7, and a spiral limiting structure 8. The auxiliary guide rail 7 is parallel to the vertical section of the feeding track 6, and the end of the feeding track 6 smoothly transitions to the beginning of the feeding section. Both the feeding track 6 and the auxiliary guide rail 7 consist of two spaced limiting rod structures. The spiral limiting structure 8 includes multiple limiting screws, with adjacent limiting screws connected by universal joints. This structure of multiple limiting screws, in conjunction with the auxiliary guide rail 7, allows the oral liquid bottle to move in a curved path without colliding with each other.

[0025] The discharge mechanism includes a discharge chain 9, which is driven by two sprockets 91. Each link of the discharge chain 9 is equipped with two mutually perpendicular carrier plates. The carrier plates are placed on the horizontal section of the discharge chain 9 at an angle of 30 to 60° to the horizontal plane. The end of the discharge section is located at the arc-shaped section of the discharge chain 9.

[0026] Traditional optical inspection systems typically require a clamping structure to act on the top and bottom of the oral liquid bottle, making the monitoring surface the circumference of the bottle. When straight light shines on the bottle with its gradually varying thickness, significant color differences are created, increasing the difficulty of pattern comparison. At the same time, external lighting conditions and objects around the optical inspection area can also create new obstacles to the comparison of the captured patterns, which is not conducive to improving the accuracy and efficiency of optical inspection.

[0027] In this scheme, within the fan-shaped area where the guide roller 2 and the toothed belt 3 mesh, the gap between adjacent teeth decreases due to the bending of the toothed belt 3, and the oral liquid bottle is clamped and positioned. The camera takes pictures from the bottom of the oral liquid bottle upwards to monitor discoloration and impurities, especially impurities that have settled to the bottom. In the straight section of the toothed belt 3, the oral liquid bottle is suspended, and the part of the oral liquid bottle inside the toothed belt 3 is almost completely exposed to monitor the amount of oral liquid. Throughout the entire guide path, the top and bottom of the oral liquid bottle are not obstructed, so the camera used for capping detection can be implemented well, providing a good shooting angle and camera placement space for various detections.

[0028] As an adaptive option, the drive wheel 1 and the guide wheel 2 are rotatably connected to the frame, the loading track 4, the feed track 6, and the auxiliary guide rail 7 are fixed to the frame, the multiple screws of the spiral limiting structure 8 are rotatably connected to the frame, and the sprocket 91 is rotatably connected to the frame.

[0029] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. An oral liquid photoelectric detection and feeding system, characterized in that, The device includes a frame, a feeding mechanism, a discharging mechanism, and a guiding mechanism. The guiding mechanism includes a drive wheel (1), a guiding wheel (2), a toothed belt (3), and a loading track (4). The toothed belt (3) is driven by a drive gear and a guiding gear. A positioning groove (31) is formed between adjacent teeth on the inner side of the toothed belt (3). The loading track (4) includes two parallel guiding rods located above the toothed belt (3). The distance between the two guiding rods is appropriate to the outer diameter of the neck of the oral liquid bottle. The guide wheel (2) forms a clamping hole (32) between the teeth of the guide wheel (2) and the teeth of the toothed belt (3) to hold the upper part of the oral liquid bottle. A color detection unit (51) and an impurity detection unit (52) are set below the oral liquid bottle at the meshing part of the toothed belt (3) and the guide gear. A capping detection unit (53) is set above the oral liquid bottle at the meshing part of the toothed belt (3) and the guide gear. A filling quantity detection unit (54) is set inside the toothed belt (3) at one of the straight sections of the toothed belt (3). The guide rod includes a guide section, an infeed section and an outfeed section. The guide section is parallel to the toothed belt (3). The infeed section is connected to the outfeed end of the infeed mechanism and the outfeed section is connected to the infeed end of the outfeed mechanism.

2. The oral liquid photoelectric detection and feeding system according to claim 1, characterized in that, The feeding mechanism includes a feeding track (6), an auxiliary guide rail (7), and a spiral limiting structure (8). The auxiliary guide rail (7) is parallel to the vertical section of the feeding track (6). The end of the feeding track (6) smoothly transitions to the beginning of the feeding section. Both the feeding track (6) and the auxiliary guide rail (7) are two limiting rod structures with a gap. The spiral limiting structure (8) includes multiple limiting screws, and adjacent limiting screws are connected by universal joints.

3. The oral liquid photoelectric detection and feeding system according to claim 1 or 2, characterized in that, The discharge mechanism includes a discharge chain (9), which is driven by two sprockets (91). Each link of the discharge chain (9) is provided with two mutually perpendicular carrier plates. The carrier plates are inclined at an angle of 30 to 60° to the horizontal plane at the horizontal section of the discharge chain (9). The end of the discharge section is located at the arc section of the discharge chain (9).

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