CN201107277Y - Continuous rotary automatic light inspection machine - Google Patents

Abstract

The utility model relates to a continual rotary fully-automatic lamp-inspecting machine, which is suitable for the clarity inspection of transparent liquid, such as glass bottles, plastic bottles and soft plastic bottles. The utility model comprises a casing body, a bottle feeding mechanism and a bottle discharging mechanism, wherein, three imaging inspecting devices are arranged on the identical circumference of the interior of the casing body, a gripping and rotating mechanism is arranged inside the circumference, the bottle feeding mechanism and the gripping and rotating mechanism form a channel, and a bottle cap inspecting device and a degraded product removing device are arranged on the channel of the bottle discharging mechanism in sequence. The continual rotary fully-automatic lamp-inspecting machine has the advantages of accurate inspection and convenient operation.

Description

Continuous rotary automatic light inspection machine

technical field

The utility model relates to a continuous rotating full-automatic lamp inspection machine, which is suitable for detecting the clarity of transparent liquids such as glass bottles, plastic bottles and soft plastic bottles.

Background technique

At present, the clarity detection of liquid filling in biopharmaceutical factories and beverage factories in my country mainly uses manual visual inspection. This detection method has certain defects, because the limitations of the human eye's resolution and the arbitrariness of human subjective consciousness sometimes cause certain errors in the detection results, and this detection method is labor-intensive.

Utility model content

The purpose of the utility model is to provide a continuous rotating automatic light inspection machine, which is accurate in detection and easy to use.

The continuous rotating full-automatic light inspection machine described in the utility model includes a housing, a bottle inlet mechanism and a bottle outlet mechanism. Three imaging detection devices are arranged on the same circumference inside the housing, and a clamping and rotating mechanism is arranged inside the circumference. The bottle feeding mechanism and the clamping and rotating mechanism form a passage, and a bottle cap detection device and a defective product removal device are arranged in sequence on the passage of the bottle discharging mechanism.

The medicine bottles enter the clamping and rotating mechanism one by one through the bottle feeding mechanism, complete the centrifugal movement on the clamping and rotating mechanism, and are sequentially transported to three imaging detection devices by the clamping and rotating mechanism for imaging detection. The medicine bottle that has been detected by the imaging detection device three times enters the bottle output mechanism, and when passing through the bottle cap detection device, the upper part of the medicine bottle cap is detected and the signal is processed. If there is any unqualified situation during the detection process, the medicine bottle will be sorted out and excluded when it passes through the defective product removal device.

In the utility model:

The bottle feeding mechanism includes a conveyor belt, a bottle-separating star wheel, an auger and a feed star seat, the conveyor belt is connected to the outside of the housing, one side of the conveyor belt is provided with a bottle-separating star wheel, the other side is provided with an auger, and the end of the conveyor belt is provided with a feeder. The star seat, the feed star seat is adapted to the clamping and rotating mechanism. The medicine bottle is sent from the production line to the conveyor belt, the bottle separating star wheel divides the medicine bottle into an arrangement state one by one, and the auger cooperates with the conveyor belt to reposition the medicine bottle on the corresponding position of the feeding star seat and rotate it. It is then transferred to the bottle clamp that holds the detection belt of the rotating mechanism.

The clamping and rotating mechanism includes a swivel base, a swivel arm, a servo motor, a belt, and a bottle clamp. The swivel arm is evenly distributed on the circumference of the swivel base. A rotatable bottle clamp is arranged at the top of the swivel arm, and a servo motor is arranged in the middle. The output shaft is connected to the bottle clamp through a belt. After the medicine bottle from the bottle feeding mechanism is sent to the bottle clamp of the detection belt, the medicine bottle leaves the feeding star seat at the same time, the bottle clamp clamps the medicine bottle, and rotates a certain angle to make the medicine bottle in a suspended state. The servo motor acts, and the bottle clamp is driven to rotate through the belt, so that the medicine bottle is in a centrifugal state. The centrifugal speed can be adjusted by changing the parameters of the servo motor control test program. The servo motor is a brushless servo motor.

The imaging detection device includes two imaging particle detection devices and one imaging surface detection device.

The imaging particle detection device includes a camera, lighting equipment and a propeller, the camera is installed on the slide bar of the propeller, the lens of the camera faces the medicine bottle, the top of the propeller is provided with lighting equipment vertically, and the light beam of the lighting equipment is directed towards the bottom of the medicine bottle . The lighting equipment of the imaging surface detection device adopts lighting high-frequency bipolar LEDs. The light is generated by the lighting device and illuminates the medicine bottle longitudinally from the bottom, while the camera, with the help of the propeller, images and detects the image inside the medicine bottle. The lighting equipment and the camera can be set to 3 sets, so that the lighting and detection of 3 medicine bottles can be carried out at the same time within a certain period of time.

The imaging surface detection device includes a camera, lighting equipment and a propeller, the camera is installed on the slide bar of the propeller, the lens of the camera faces the medicine bottle, the top of the propeller is horizontally equipped with lighting equipment, and the light beam of the lighting equipment is directed towards the side of the medicine bottle . The lighting equipment adopts infrared LEDs. The belt drives the bottle clamp to rotate 360° at low speed to ensure that the surface of the medicine bottle is fully exposed in front of the camera lens. The inspection phase is carried out simultaneously with the rotation of the vial. The illumination device (infrared LED) illuminates the vial, and at the same time, the image of the vial surface is imaged by a camera fixed on the pusher slider.

The bottle cap detection device includes a lighting diode and a camera, the lighting diode faces the bottle cap, and the lens of the camera is aimed at the upper part of the bottle cap. The conveyor belt of the bottle output mechanism repositions the medicine bottle, and the bottle cap detection device also completes the surface detection of the bottle cap. In the event of a defective product, a rejection signal will be issued.

The camera adopts a high-resolution TV camera.

The defective product removal device includes a cylinder, a knocking wheel and a defective product box. A knocking wheel driven by the cylinder is arranged on one side of the transmission belt of the bottle discharge mechanism, and a defective product box is fixedly connected to the other side of the conveyor belt corresponding to the knocking wheel. When there is a defective product, the ejector pin of the cylinder drives the knocking wheel, hits the medicine bottle and puts it into the defective product box, and the qualified medicine bottle will be sent to the next processing stage through the conveyor belt.

The utility model is a continuous rotating full-automatic light inspection machine, which is accurate in detection and easy to use. The centrifugal movement of the medicine bottle is generated by the brushless servo motor through the belt to make the bottle clamp, so its setting speed and rotation speed have a large difference. flexibility. Light from behind is used to detect suspended particles moving inside the bottle, and light from the lighting is absorbed and/or refracted for particle detection. There is also an imaging surface detection device for the detection of the bottle body, and the entire surface can be detected by adjusting the position of the mirror. The bottle cap detection device detects the cracks of different types of bottle caps, and can also detect the color of the bottle caps. Detection of non-conforming phenomena such as cracks, scratches, crushing or defects on the surface of the capping side. The precise positioning of the camera lens ensures that images of the entire bottle are captured. Thanks to precise mounting angles, lighting equipment and cameras provide a complete image of the surface. The rubber bottle clamp that clamps the neck of the bottle can be replaced directly by hand without other tools. The control system and power system used in the utility model are all mature existing technologies, and are controlled by ordinary frequency converters and reducers. The use of these devices ensures that the machine is wear-resistant, has low noise, long service life and does not need to be lubricated.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the bottle feeding mechanism of the present utility model;

Fig. 3 is a schematic structural view of the clamping and rotating mechanism of the present invention;

Fig. 4 is a schematic structural view of the imaging particle detection device of the present invention;

Fig. 5 is a schematic structural view of the imaging surface detection device of the present invention;

Fig. 6 is a schematic structural view of the reject device of the present invention.

In the figure: 1. Shell 2. Bottle feeding mechanism 3. Bottle discharging mechanism 4. Defective product removal device 5. Bottle cap detection device 6. Clamping and rotating mechanism 7. Imaging detection device 8. Bottle separating star wheel 9. Conveyor belt 10 , auger 11, feeding star seat 12, swivel seat 13, servo motor 14, rotating arm 15, bottle clamp 16, medicine bottle 17, belt 18, 24, camera 19, 22, lighting equipment 20, 23, propeller 21, 25, sliding rod 26, cylinder 27, bumping wheel 28, conveyor belt 29, defective product box.

Detailed ways

Below in conjunction with embodiment accompanying drawing, the utility model is described further.

As shown in FIG. 1 , three imaging detection devices 7 are arranged on the same circumference inside the housing 1 , and a clamping and rotating mechanism 6 is arranged inside the circumference, and the bottle feeding mechanism 2 and the clamping and rotating mechanism 6 form a channel. A bottle cap detection device 5 and a defective product removal device 4 are sequentially arranged on the channel of the bottle outlet mechanism 3 .

The medicine bottles enter the clamping and rotating mechanism 6 one by one through the bottle feeding mechanism 2, complete the centrifugal movement on the clamping and rotating mechanism 6, and are transported to three imaging detection devices 7 by the clamping and rotating mechanism 6 in turn for imaging detection. The medicine bottle that has been detected by the imaging detection device 7 for three times enters the bottle output mechanism 2, and when passing through the bottle cap detection device 5, the bottle cap of the medicine bottle is detected and the signal is processed. If there is an unqualified situation during the detection process, the medicine bottle will be sorted out and excluded when passing through the defective product removal device 4 .

The imaging detection device 7 includes two imaging particle detection devices and one imaging surface detection device. A protective cover is arranged inside the casing 1 .

The control system and the power system adopted by the utility model all follow the mature prior art, and are controlled by common frequency converters and reducers.

As shown in FIG. 2 , the bottle feeding mechanism 2 includes a conveyor belt 9 , a bottle separating star wheel 8 , an auger 10 and a feed star 11 . The conveyor belt 9 is connected to the outside of the housing 1. The bottle-separating star wheel 8 is set on one side of the conveyor belt 9, and the auger 10 is set on the other side. The feeding star seat 11 is set at the end of the conveyor belt 9. adapt.

The medicine bottle is sent to the conveyor belt 9 from the production line, the bottle dividing star wheel 8 divides the medicine bottle into an arrangement state one by one, the auger 10 cooperates with the conveyor belt 9 to reposition the medicine bottle on the corresponding position of the feeding star seat 11, and to rotate. Then transfer to the bottle clamp of the detection band of clamping rotary mechanism 6. Auger 10 is arranged on conveyor belt 9 one side, is used for controlling the motion of medicine bottle. This layout ensures that all vials enter the conveyor belt 9 .

As shown in FIG. 3 , the clamping and rotating mechanism includes a rotary base 12 , a rotary arm 14 , a servo motor 13 , a belt 17 and a bottle clamp 15 . Rotating arm 14 is evenly distributed on swivel seat 12 circumferences, and rotating arm 14 tops are provided with rotatable bottle clamp 15, and the middle part is provided with servomotor 13, and the output shaft of servomotor 13 connects bottle clamp 15 by belt 17. After the medicine bottle 16 from the bottle feeding mechanism 2 is sent to the bottle clamp 15 of the detection belt, the medicine bottle 16 leaves the feeding star seat 11 at the same time, the bottle clamp 15 clamps the medicine bottle 16, and rotates at a certain angle so that the medicine bottle 16 in a floating state. Servomotor 13 moves, drives vial clamp 16 to rotate by belt 17, makes medicine bottle produce centrifugal state. The centrifugal speed can be adjusted by changing the parameters of the servo motor 13 controlling the detection program.

The servo motor 13 is a brushless servo motor.

The clamping structure performs centrifugal action on the medicine bottle.

As shown in Figure 4, the imaging particle detection device includes a camera 18, lighting equipment 19 and a propeller 20, the camera 18 is installed on the slide bar 21 of the propeller 20, the lens of the camera 18 faces the medicine bottle 16, and the top of the propeller 20 is vertical A lighting device 19 is provided, the light beam of the lighting device 19 is directed towards the bottom of the medicine bottle 16 .

The illuminating device 19 of the imaging surface detection device adopts illuminating high-frequency bipolar LEDs. The light is generated by the lighting device 19 and illuminates the medicine bottle 16 longitudinally from the bottom, and at the same time the camera 18, with the help of the propeller 20, images and detects the inner image of the medicine bottle. The lighting equipment 19 and the camera 18 can be arranged in 3 groups, so that the lighting and detection of 3 medicine bottles can be performed simultaneously within a certain period of time. The camera 18 can be set and integrated with the propeller 20 .

There are two imaging particle detection devices, and the clamping and rotating mechanism drives the medicine bottle to rotate, respectively completing the first detection and the second detection of particle control.

The first imaging particle detection is carried out after the first centrifugation state. The lighting equipment shines light on the medicine bottle, and the particles in the medicine bottle after centrifugal movement are in a moving state. The camera captures the particle movement form, and the information is collected and processed.

The second imaging particle detection is carried out after the second centrifugation state, and its principle and technology are the same as the first time. The second detection can be set to take place in two ways:

The first way: using the same parameters as the first detection stage, it can improve the data reliability of the first detection stage, making the detection of the whole system more careful and safe.

The second way: When adjusting the detection parameters and the centrifugation state of the vial, a second detection center can be used to detect larger particles, and the first one is used to detect lighter particles, which allows the system to respond with different characteristics. Particles are detected.

As shown in Figure 5, imaging surface detection device comprises camera 24, lighting equipment 22 and propeller 23, and camera 24 is installed on the slide bar 25 of propeller 23, and the lens of camera 24 faces medicine bottle 16, and propeller 23 top level A lighting device 22 is provided, the beam of the lighting device 22 is directed towards the side of the medicine bottle 16 .

The lighting device 22 uses infrared LEDs. The structure of the imaging surface detection device is similar to that of the imaging particle detection device.

The belt 17 clamping the rotating mechanism drives the bottle clamp 15 and the medicine bottle to rotate 360° at a low speed to ensure that the surface of the medicine bottle 16 is fully exposed in front of the camera 24 lens. The detection process is carried out simultaneously with the rotation of the medicine bottle 16, and the lighting device 22 (infrared LED) illuminates the medicine bottle 16, and at the same time, the camera 24 imaging that is fixed on the pusher 23 slide bar 25 detects the medicine bottle surface image.

After the imaging surface detection device detects the surface of the medicine bottle, the medicine bottle on the bottle clamp of the clamping rotation mechanism is collected by the conveyor belt of the bottle output mechanism 3 and placed again, and the surface detection of the bottle cap is also completed.

The bottle cap detection device 5 can adopt a cycle lighting device equipped with LEDs to illuminate the bottle cap, and a TV camera detects the top of the bottle cap by means of the round hole provided by the lighting device and sends the image back to the control system. After the image is sent back to the control system, the program processes the resulting data and the control system issues a rejection signal.

The control system adopts conventional power system, controller, display and so on. The detection result display of the utility model can be set to display images of 3 inspected bottles and detection results (qualified or unqualified), current product statistical value and a histogram of defective product trend.

As shown in Figure 6, defective product removal device comprises cylinder 26, knocking wheel 27 and defective product case 29, and the transmission belt 28 side of bottle discharging mechanism 3 is provided with the knocking wheel 27 driven by cylinder 26, on conveyor belt 28 and knocking wheel 27 The corresponding other side is fixedly connected to the defective product box 29. When there is a defective product in the above detection, the control system controls the cylinder 26, and the ejector pin of the cylinder 26 drives the knocking wheel 27, bumps the medicine bottle on the conveyor belt 28 and makes it drop into the defective product box 29, and the qualified medicine bottle will be sent by the conveyor belt 28. to the next processing stage.

The utility model utilizes the inspection method of the visual system, adopts a high-resolution camera to take pictures continuously, and transfers the collected multiple images to the processor of the control system, and then performs superposition processing. Compare the first image of the object under test with the image result after multiple images are superimposed. That is to put the medicine bottle on the conveyor belt and enter the light inspection dark box, the light source adopts high-frequency incandescent lamp, and the camera imaging technology adopts plane to take pictures. The photos taken are processed by the computer of the control system. When the particles in the photos taken exceed the standard, the computer will automatically memorize them. When the medicine bottle reaches the rejection position, it will be automatically rejected, so as to screen out unqualified products.

Claims (6)

1. A continuous rotating full-automatic light inspection machine, including a housing, a bottle inlet mechanism and a bottle outlet mechanism, characterized in that three imaging detection devices are arranged on the same circumference inside the housing, and a clamping and rotating mechanism is arranged inside the circumference, The bottle feeding mechanism and the clamping and rotating mechanism form a passage, and a bottle cap detection device and a defective product removal device are arranged in sequence on the passage of the bottle discharging mechanism. 2. The continuous rotary automatic light inspection machine according to claim 1, characterized in that the bottle feeding mechanism includes a conveyor belt, a star wheel for separating bottles, an auger and a feeding star seat, the conveyor belt is connected to the outside of the housing, and one side of the conveyor belt is The star wheel for bottle separation is set, the auger is set on the other side, the feeding star seat is set at the end of the conveyor belt, and the feeding star seat is adapted to the clamping and rotating mechanism. 3. The continuous rotating automatic light inspection machine according to claim 1, characterized in that the clamping and rotating mechanism includes a swivel base, a swivel arm, a servo motor, a belt and a bottle clamp, and the swivel arms are evenly distributed on the circumference of the swivel base. A rotatable bottle clamp is set on the top of the rotating arm, and a servo motor is set in the middle, and the output shaft of the servo motor is connected to the bottle clamp through a belt. 4. The continuous rotary automatic light inspection machine according to claim 1, characterized in that the imaging detection device includes two imaging particle detection devices and one imaging surface detection device, and the imaging particle detection device includes a camera, lighting equipment and a propeller , the camera is installed on the slide bar of the propeller, the lens of the camera faces the medicine bottle, the top of the propeller is provided with lighting equipment vertically, and the light beam of the lighting equipment is directed towards the bottom of the medicine bottle; the imaging surface detection device includes a camera, lighting equipment and a propeller, and the camera Installed on the slide bar of the propeller, the lens of the camera faces the medicine bottle, the top of the propeller is provided with lighting equipment horizontally, and the light beam of the lighting equipment faces the side of the medicine bottle. 5. The continuous rotary automatic light inspection machine according to claim 1, characterized in that the bottle cap detection device includes a lighting diode and a camera, the lighting diode faces the bottle cap, and the lens of the camera is aimed at the upper part of the bottle cap. 6. The continuous rotary automatic light inspection machine according to claim 1, characterized in that the defective product removal device includes a cylinder, a knocking wheel and a defective product box, and the driving belt side of the bottle output mechanism is provided with a knocking wheel driven by the cylinder. On the conveyor belt, the other side corresponding to the knocking wheel is fixedly connected with the defective product box.

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