A production line for screening defective products and labeling wine bottles

Abstract

The present invention relates to the field of wine bottle labeling, and specifically to a production line for screening defective labeled wine bottles, which includes a main transmission line. The main transmission line successively includes a front transmission line, a middle transmission line, and a rear transmission line from front to back, all of which can be started and stopped. A first transmission line is provided on the side of the middle transmission line. The first transmission line has a first inlet and a first outlet. First vision sensors for detecting whether the wine bottle body passes are installed on both sides of the first outlet. The first vision sensors are electrically connected to a controller, and the controller is electrically connected to the front transmission line to control the front transmission line to pause transmission when the first vision sensors detect that a bottle body passes. Compared with the prior art, by setting the first transmission line, this patent introduces defective wine bottles into the queue of unlabeled wine bottles, solving the technical problems in the prior art that manual monitoring of the screening of defective bottles is required at any time, and manual removal of defective bottles and addition to the labeling production line is needed, which is labor-consuming and increases the labor intensity of workers.

Description

Technical Field

[0001] The present invention relates to the field of wine bottle labeling, and specifically to a production line for screening defective wine bottles for labeling. Background Art

[0002] The production of liquor filling involves multiple steps, including the cleaning treatment of wine bottles, liquor filling, bottle capping, bottle labeling, and finished product packing. Among them, bottle labeling is a common processing procedure, where a label paper with adhesive is pasted onto the surface of the wine bottle to display product information. However, during the process of labeling liquor bottles, there are cases of missed labeling. The traditional solution is for workers to observe near the labeling production line and screen out the unlabeled wine bottles. This solution has the disadvantages of wasting manpower and low efficiency. At the same time, when workers observe for a long time, it is easy to misjudge due to visual fatigue.

[0003] In response to the above defects, the existing fully automated wine bottle labeling production line is equipped with a defective wine bottle transmission line, and a color sensor and a bottle pusher are added to the main wine bottle transmission line to screen out unlabeled wine bottles. The structure and working principle of its production line are as described in the Chinese utility model patent "Intelligent Defective Bottle Body Screening Line for Capping Machine" (Application No. CN202121410317.4, Publication Date: December 10, 2021): An intelligent defective bottle body screening line for a capping machine, including a bottle body conveyor line and a defective bottle body conveyor line connected to the bottle body conveyor line. A top-out cylinder (equivalent to the above-mentioned bottle pusher) is connected to the bottle body conveyor line, and the output shaft of the top-out cylinder points to the defective bottle body conveyor line. A color sensor is arranged beside the top-out cylinder, and the color sensor is electrically connected to the top-out cylinder through a control system; a transmission component for transporting defective bottle bodies is connected to the defective conveyor line.

[0004] Although this existing technology is used to handle defective empty bottles, it is also applicable in the field of wine bottle labeling technology and can also be used to screen unlabeled liquor bottles. Moreover, the technical solution of this existing technology has the effect of automatically identifying and removing defective empty bottles without labels, reducing the labor load of workers.

[0005] However, this fully automatic screening line only considers screening defective empty bottles to the defective product conveyor line, but no specific solution is given on how to handle the defective empty bottles subsequently. Traditional handling methods often involve arranging staff to observe at any time, remove the defective empty bottles, or set up a storage area on the defective product conveyor line. When the number of defective products in the storage area reaches the storage limit, the defective products are manually removed and added back to the automatic labeling production line for secondary labeling. At the same time, it is still necessary for people to observe at any time whether the storage area has reached the storage limit to prevent the ejector cylinder from continuing to push the defective wine bottles into the defective product conveyor line after the storage limit is reached, causing jams in the bottle body conveyor line. Therefore, the technical solution for screening defective bottle bodies in the above patent literature still has technical defects that require manual intervention and waste human resources. Summary of the Invention

[0006] The present invention aims to provide a production line for screening defective labeled wine bottles, mainly to solve the technical problems existing in the prior art, such as the need for manual monitoring of the screening of defective bottles at any time, and the need for manual removal of defective bottles and adding them to the labeling production line, which consumes human resources and increases the labor intensity of workers.

[0007] To solve the above technical problems, the present invention provides the following technical solutions:

[0008] A production line for screening defective labeled wine bottles includes a main conveyor line, which successively includes a front conveyor line, a middle conveyor line, and a rear conveyor line that can all be started and stopped from front to back. A labeling machine, a first color sensor, and a first bottle pusher are successively arranged on the middle conveyor line in the conveying direction. A first conveyor line is provided on the side of the middle conveyor line, and the first conveyor line has a first inlet and a first outlet. The first inlet is opposite to the bottle pushing direction of the first bottle pusher. The first outlet communicates with the middle conveyor line and is located before the labeling machine. First vision sensors for detecting whether the bottle body passes are installed on both sides of the first outlet. The first vision sensors are electrically connected to a controller, and the controller is electrically connected to the front conveyor line to control the front conveyor line to pause transmission when the first vision sensors detect that a bottle body passes by.

[0009] The working principle and beneficial effects of the present invention:

[0010] 1. Working principle: The unlabeled wine bottles are labeled by the labeling machine. Among them, the defective wine bottles with missing labels are detected when passing through the first color sensor. The first color sensor sends a signal to the controller. The controller records the position arrangement information of the defective wine bottles according to the transmission speed of the middle transmission line, and controls the first pusher to push the defective wine bottles into the first transmission line when they pass by. When the defective wine bottles are transmitted to the first exit through the first transmission line, they pass through the first vision sensor. The first vision sensor transmits the signal to the controller, and the controller controls the front transmission line to stop, cutting off the queue of unlabeled wine bottles. The defective wine bottles transmitted by the first transmission line enter the middle transmission line from the first exit and follow the queue of unlabeled wine bottles on the middle transmission line for secondary labeling.

[0011] 2. Beneficial effects:

[0012] (1) In the prior art, a color sensor and an ejector cylinder are added to screen defective bottles, but the prior art cannot automatically process the screened defective bottles. In this patent, by setting the first transmission line, the screened defective bottles are transmitted to the queue of unlabeled wine bottles for secondary labeling, without the need for workers to constantly monitor the accumulation of defective products on the first transmission line, nor the need for workers to manually carry the defective bottles to the labeling machine for secondary labeling. In summary, the technical solution of this patent solves the technical problems in the prior art that require manual monitoring of the screening of defective bottles at any time, and manual removal and addition of defective bottles to the labeling production line, which consumes manpower and increases the labor intensity of workers.

[0013] (2) In this technical solution, the main transmission line is divided into three sections: the front transmission line, the middle transmission line, and the rear transmission line. The start and stop of the front transmission line are controlled by the controller. When the front transmission line stops, the queue of unlabeled wine bottles is divided into two sections. The queue of wine bottles on the middle transmission line continues to move forward, leaving a gap for the defective wine bottles to be inserted.

[0014] Preferably, the first transmission line successively includes a first front section, a storage device, and a first rear section between the first inlet and the first outlet. The storage device includes a third inlet and a third outlet. The third inlet is communicated with the first front section, and the third outlet is communicated with the first rear section.

[0015] In this technical solution, after the defective wine bottles are pushed into the first front section, they first enter the storage device for temporary storage to prevent the wine bottles from passing through the first vision sensor frequently, causing frequent start and stop of the front transmission line.

[0016] Preferably, the storage device includes a bracket, a base is fixed above the bracket, a circular first groove is formed on the upper surface of the base, a first motor is fixed below the base, and the output shaft of the first motor penetrates through the center of the first groove from bottom to top; a disc is installed in the first groove, a second groove with a downward opening is formed at the center of the bottom surface of the disc, and the output shaft of the first motor is inserted into the second groove and is splined with the second groove; a ring-shaped baffle is fixedly connected to the upper surface of the disc, and a ring-shaped wine bottle passage for the wine bottle to pass through is maintained between the ring-shaped baffle and the inner wall of the first groove. The base is hinged at the third outlet with a deflector plate that can rotate from the third outlet into the storage device.

[0017] In this technical solution, the motor continuously works to drive the disc to rotate in the first groove. When the wine bottle enters the upper surface of the disc from the third inlet, the rotation of the disc drives the wine bottle to move along the wine bottle passage.

[0018] Preferably, a second motor is installed inside the base, the output shaft of the second motor is vertically upward, and the output shaft of the second motor is fixedly connected to the deflector plate; a weight sensor is also installed between the output shaft of the first motor and the top wall of the second groove, the weight sensor is electrically connected to the controller, and the controller is electrically connected to the second motor.

[0019] In this technical solution, the deflector plate can seal the third channel to prevent the wine bottles on the disc from entering the first rear section; the disc presses down on the weight sensor. When the wine bottle storage capacity on the disc reaches the peak value, the weight sensor controls the motor to start working, and the motor drives the deflector plate to rotate from the third outlet into the disc interior, truncating the wine bottle queue moving in a circular motion in the wine bottle passage. After the wine bottle queue is truncated by the deflector plate, the defective wine bottles will accumulate at the deflector plate through the transportation of the disc. The defective wine bottles are successively extruded from the storage device and enter the first rear section through the third outlet. Among them, on the one hand, the wine bottle is subjected to the frictional force at the bottom of the disc 224, and on the other hand, it is subjected to the reaction thrust on the circumferential surface of the deflector plate 227. When the inclination angle of the deflector plate is 60°, the resultant force on the wine bottle pushes the wine bottle to the first rear section 23; when all the wine bottles leave the disc, the weight sensor senses that the disc has returned to its initial weight, and then controls the deflector plate to rotate to block the third outlet; the storage device can temporarily store wine bottles to prevent the wine bottles from intermittently triggering the second vision sensor and causing frequent start and stop of the rear transmission line.

[0020] Preferably, a second bottle pusher is installed on one side of the first transmission line, a second transmission line is provided on the other side of the first transmission line, the second transmission line has a second inlet and a second outlet, the second inlet is opposite to the bottle pushing direction of the second bottle pusher, and second color sensors are installed on both sides of the first inlet, the second color sensors are electrically connected to the controller, and the controller is electrically connected to the second bottle pusher.

[0021] In this technical solution, when a defective wine bottle enters the first transmission line, the second color sensors on both sides of the first entrance will conduct a secondary inspection on the side of the defective wine bottle. If it is found that there is a label attached to the side of the defective wine bottle, that is, the first color sensor has detected incorrectly and mis-pushed the labeled wine bottle into the second transmission line. At this time, the second color sensor transmits a signal to the controller, and the controller controls the second bottle pusher to work, pushing the mis-entered labeled wine bottle into the second transmission line for storage, preventing the mis-entered labeled wine bottle from exiting through the first exit and undergoing secondary labeling.

[0022] Preferably, the second exit is located after the first entrance and is connected to the third transmission line. A second vision sensor is installed at the second exit. The second vision sensor is electrically connected to the controller, and the controller is electrically connected to the front transmission line and the middle transmission line, controlling the front transmission line and the middle transmission line to stop transmitting when the second vision sensor detects that a bottle body has passed by.

[0023] In this technical solution, when the wine bottle is pushed into the second transmission line and is transmitted from the second exit to the rear transmission line, during this process, the wine bottle passes by the second vision sensor, and the second vision sensor sends a signal to the controller, and the controller controls the front transmission line and the middle transmission line to suspend transmission.

[0024] Preferably, if the first vision sensor or the second sensor does not detect that a bottle body has passed by within 3 - 5 seconds, it sends a signal to the controller to control the front transmission line, or the front conveyor line and the middle transmission line to resume the transmission speed.

[0025] In this technical solution, when the unlabeled defective wine bottles or the labeled wine bottles are screened out and inserted into the corresponding wine bottle queues respectively, the front, middle, and rear transmission lines are controlled to resume normal operation.

[0026] Preferably, the rotation angle of the deflector is 60° - 80°. Description of the Drawings

[0027] Figure 1 It is the top view of a production line for screening defective labeled wine bottles of this invention patent;

[0028] Figure 2 It is the front sectional view of the storage device of a production line for screening defective labeled wine bottles of this invention patent;

[0029] Figure 3 It is for a production line for screening defective labeled wine bottles of this invention patent Figure 1 Enlarged view of part A;

[0030] Figure 4 It is for a production line for screening defective labeled wine bottles of this invention patent Figure 3 Structural schematic diagram of the deflector rotating towards the storage device.

[0031] The reference numerals in the attached drawings of the description include: front transmission line 11, middle transmission line 12, labeling machine 121, first color sensor 122, first bottle pusher 123, rear transmission line 13, first front section 21, storage device 22, bracket 221, base 222, first motor 223, disc 224, weight sensor 225, annular baffle 226, flow guide plate 227, first rear section 23, first vision sensor 231, second transmission line 3, second bottle pusher 31, second vision sensor 32. Specific Embodiments

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] As Figure 1 shown, the main transmission line successively includes, from front to back, a front transmission line 11, a middle transmission line 12, and a rear transmission line 13 that can all be started and stopped. The middle transmission line 12 is successively provided with a labeling machine 121, a first color sensor 122, and a first bottle pusher 123 that can move into the middle transmission line 12 from front to back based on the transmission direction. Among them, the first color sensor 122 and the first bottle pusher 123 are installed side by side and closely. A first transmission line is provided on the side of the middle transmission line 12; the unlabeled wine bottles are labeled by the labeling machine 121. Among them, the defective wine bottles with missing labels are detected when passing through the first color sensor 122. The first color sensor 122 marks the defective wine bottles and sends a signal to the controller. The controller records the position arrangement information of the defective wine bottles according to the transmission speed of the middle transmission line and controls the first bottle pusher 123 to push the defective wine bottles into the first transmission line when they pass by. Thus, the screening of the defective wine bottles on the main transmission line is completed;

[0034] The first transmission line has a first inlet and a first outlet. The first inlet faces the bottle pushing direction of the first bottle pusher 123, and the first outlet is located before the labeling machine 121. Wherein, first vision sensors 231 for detecting whether the bottle body passes are installed on both sides of the first outlet. The first vision sensors 231 are electrically connected to the controller, and the controller is electrically connected to the front transmission line 11 to control the start and stop of the front transmission line 11. When a defective wine bottle is transported to the first outlet through the first transmission line and passes through the first vision sensors 231, the first vision sensors 231 transmit signals to the controller, and the controller controls the front transmission line 11 to stop, cutting off the queue of unlabeled wine bottles. The defective wine bottles transported by the first transmission line enter the middle transmission line 12 from the first outlet and follow the queue of unlabeled wine bottles on the middle transmission line 12 for secondary labeling. If the first vision sensors 231 do not detect a wine bottle passing through within 5 seconds, the front transmission line 11 is controlled to resume transportation, and the queue of unlabeled wine bottles resumes the normal transmission state.

[0035] The first transmission line sequentially includes a first front section 21, a storage device 22, and a first rear section 23 between the first inlet and the first outlet. The storage device 22 includes a third inlet and a third outlet. The third inlet is communicated with the first front section 21, and the third outlet is communicated with the first rear section 23. The defective wine bottles enter the first front section 21 from the first inlet, then enter the storage device 22 through the third inlet for temporary storage, and then enter the first rear section 23 through the third outlet, leave the first transmission line through the first outlet, and enter the middle transmission line 12; As Figure 2 shown, the storage device 22 includes a bracket 221. A base 222 is fixed above the bracket 221. A circular first groove is opened on the upper surface of the base 222. A first motor 223 is fixed below the base 222. The output shaft of the first motor 223 penetrates the center of the first groove from bottom to top. A disc 224 is installed in the first groove. A second groove with a downward opening is opened at the center of the bottom surface of the disc 224. The output shaft of the first motor 223 is inserted into the second groove and is in spline connection with the second groove. A weight sensor 225 is installed between the top wall of the second groove and the top end of the output shaft of the first motor 223; An annular baffle 226 is welded on the upper surface of the disc 224. An annular wine bottle passage for the wine bottles to pass through is maintained between the annular baffle 226 and the inner wall of the first groove; A deflector 227 is hinged at the third outlet of the base 222. Wherein, a second motor (the position of the second motor is not shown in the figure) is installed inside the base 222. The output shaft of the second motor is vertically upward. The output shaft of the second motor is fixed to the deflector 227. Driven by the second motor, the deflector 227 can horizontally rotate to block the third outlet or horizontally rotate towards the inside of the storage device 22, and the rotation angle is 70°, cutting off the queue of wine bottles in the wine bottle passage;

[0036] The weight sensor 225 is electrically connected to the controller, and the controller is electrically connected to the second motor; the disc 224 presses down on the weight sensor 225. When the wine bottle storage on the disc 224 reaches the peak (20 bottles), the weight sensor controls the second motor to start working. The second motor drives the diversion plate 227 to rotate from the third outlet towards the inside of the disc 224, cutting off the queue of wine bottles moving in a circular motion in the wine bottle channel. After the queue of wine bottles is cut off by the diversion plate 227, the defective wine bottles will accumulate at the diversion plate 227 due to the transportation of the disc 224. The defective wine bottles are successively extruded from the storage device 22 and enter the first rear section 23 through the third outlet. Among them, the wine bottles are subject to the frictional force of the disc 224 at the bottom on the one hand and the reaction thrust of the diversion plate 227 on the circumferential surface on the other hand. When the inclination angle of the diversion plate is 60°, the resultant force acting on the wine bottles pushes the wine bottles to the first rear section 23; when all the wine bottles leave the disc 224, the weight sensor 225 senses that the disc 224 has returned to its initial weight, and then controls the second motor to control the rotation of the diversion plate 227 to block the third outlet; the storage device 22 can temporarily store wine bottles to prevent the wine bottles from intermittently triggering the second vision sensor 32, causing frequent start and stop of the rear transmission line 13.

[0037] On one side of the first transmission line, a second bottle pusher 31 that can move towards the inside of the first transmission line is installed. On the other side of the first transmission line, there is a second transmission line 3. The second transmission line 3 has a second inlet and a second outlet. The second inlet is opposite to the bottle pushing direction of the second bottle pusher 31, and the second outlet is located after the first inlet and is connected to the rear transmission line 13; on both sides of the first inlet, second color sensors are installed. The second color sensors are electrically connected to the controller, and the controller is electrically connected to the second bottle pusher 31. When a defective wine bottle is pushed into the first transmission line, the second color sensors will detect the outer circumferential surface of the wine bottle from both sides of the wine bottle. If it is detected that there is a label pasted on the side of the wine bottle, it is determined that the wine bottle is a normal labeled wine bottle, and then a signal is sent to the controller. The controller controls the second bottle pusher 31 to push the labeled wine bottle into the second transmission line 3;

[0038] At the second outlet of the second transmission line 3, a second vision sensor 32 is installed. The second vision sensor 32 is electrically connected to the controller, and the controller is electrically connected to the middle transmission line 12 and the rear transmission line 13; when the wine bottle passes by the second vision sensor 32, the second vision sensor 32 transmits a signal to the controller. The controller controls the middle transmission line 12 and the rear transmission line 13 to stop transmitting, cutting off the queue of normal wine bottles with labels pasted. The labeled wine bottles conveyed out from the second outlet are inserted into the queue of labeled wine bottles. Thus, the screening of the misidentified labeled wine bottles in the queue of defective wine bottles is completed; within 5 seconds, if the second vision sensor 32 does not detect a wine bottle passing by, it controls the middle transmission line 12 and the rear transmission line 13 to resume transmission.

[0039] The distance between the first vision sensor 231 and the first outlet is 20 cm, and the distance between the second vision sensor 32 and the second outlet is also 20 cm.

[0040] As can be seen from the above, the specific implementation of this embodiment is as follows:

[0041] The unlabeled wine bottles are labeled by the labeling machine 121. Among them, the defective wine bottles with missing labels are detected when passing through the first color sensor 122. The first color sensor 122 sends a signal to the main controller. When the defective wine bottle passes by, the controller controls the first bottle pusher 123 to push it into the first transmission line, and it preferentially enters the first front section 21 and then enters the storage device 22 for temporary storage. When the number of wine bottles on the storage device 22 reaches the peak (20 bottles), the weight sensor 225 transmits a signal to the controller, thereby controlling the second motor to work and rotating the guide plate 227 by 70° into the storage device 22 to intercept the wine bottle queue in the wine bottle channel. After the wine bottle queue is intercepted by the guide plate 227, the defective wine bottles will accumulate at the guide plate 227 through the conveying of the disc 224, and the defective wine bottles are successively extruded from the storage device 22 and enter the first rear section 23 from the third outlet. Among them, the wine bottle is subject to the frictional force of the disc 224 at the bottom on the one hand and the reaction thrust of the guide plate 227 on the peripheral surface on the other hand. When the inclination angle of the guide plate is 60°, the resultant force acting on the wine bottle pushes the wine bottle to the first rear section 23; when the defective wine bottle is transmitted to the first outlet of the first rear section 23, it passes through the first vision sensor 231. The first vision sensor 231 transmits a signal to the controller, and the controller controls the front transmission line 11 to stop, intercepting the queue of unlabeled wine bottles, and the defective wine bottles enter the middle transmission line 12 from the first outlet and follow the queue of unlabeled wine bottles on the middle transmission line 12 for secondary labeling;

[0042] After the defective wine bottle enters the first transmission line, the second color sensors on both sides of the first inlet will conduct a secondary inspection on the side of the defective wine bottle body. If it is found that there is a label on the side of the defective wine bottle body, that is, the first color sensor 122 detects incorrectly and mis-pushes the labeled wine bottle into the second transmission line 3. At this time, the second color sensor transmits a signal to the controller, and the controller controls the second bottle pusher 31 to work, pushing the labeled wine bottle that has strayed into the first transmission line into the second transmission line 3. When the wine bottle passes through the second vision sensor 32, the second vision sensor 32 transmits a signal to the controller, controlling the middle transmission line 12 and the rear transmission line 13 to pause. The labeled wine bottle that has strayed into the first transmission line enters the rear transmission line 13 from the second outlet, preventing the mis-entered labeled wine bottle from being transmitted out from the first outlet for secondary labeling.

[0043] The above are only embodiments of the present invention, and common knowledge such as specific structures and characteristics known in the art are not described in detail herein. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope claimed in this application shall be subject to the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A production line for screening defective labeled wine bottles, including a main transmission line, characterized in that: The main transmission line successively includes a front transmission line, a middle transmission line, and a rear transmission line from front to back, all of which can be started and stopped. The middle transmission line is successively provided with a labeling machine, a first color sensor, and a first bottle pusher in the transmission direction from front to back. A first transmission line is provided on the side of the middle transmission line. The first transmission line has a first inlet and a first outlet. The first inlet is opposite to the bottle pushing direction of the first bottle pusher. The first outlet communicates with the middle transmission line and is located before the labeling machine. First vision sensors for detecting whether the bottle body passes are installed on both sides of the first outlet. The first vision sensors are electrically connected to a controller, and the controller is electrically connected to the front transmission line. The controller can be used to control the start and stop of the front transmission line according to the detection signals received by the first vision sensors; between the first inlet and the first outlet of the first transmission line, there are successively included a first front section, a storage device, and a first rear section. The storage device includes a third inlet and a third outlet. The third inlet communicates with the first front section, and the third outlet communicates with the first rear section; the storage device includes a bracket, a base is fixed above the bracket, a circular first groove is opened on the upper surface of the base, and a first motor is fixed below the base. The output shaft of the first motor penetrates through the center of the first groove from bottom to top; a disc is installed in the first groove, a second groove with a downward opening is opened at the center of the bottom surface of the disc, and the output shaft of the first motor is inserted into the second groove and is spline-connected with the second groove; an annular baffle is fixedly connected to the upper surface of the disc, and an annular bottle passage for the bottle to pass through is maintained between the annular baffle and the inner wall of the first groove. A deflector plate that can rotate from the third outlet into the storage device is hinged at the third outlet of the base; a second motor is installed inside the base, the output shaft of the second motor is vertically upward, and the output shaft of the second motor is fixedly connected to the deflector plate; a weight sensor is also installed between the output shaft of the first motor and the top wall of the second groove. The weight sensor is electrically connected to the controller, and the controller is electrically connected to the second motor; a second bottle pusher is installed on one side of the first transmission line, and a second transmission line is opened on the other side of the first transmission line. The second transmission line has a second inlet and a second outlet. The second inlet is opposite to the bottle pushing direction of the second bottle pusher. Second color sensors are installed on both sides of the first inlet. The second color sensors are electrically connected to the controller, and the controller is electrically connected to the second bottle pusher; the second outlet is located after the first inlet and communicates with the third transmission line. A second vision sensor is installed at the second outlet. The second vision sensor is electrically connected to the controller, and the controller is electrically connected to the front transmission line and the middle transmission line to control the front transmission line and the middle transmission line to stop transmitting when the second vision sensor detects that the bottle body passes; if the first vision sensor or the second vision sensor does not detect the bottle body passing within 3 - 5 seconds, a signal is sent to the controller to control the front transmission line, or the front transmission line and the middle transmission line to resume the transmission speed; the rotation angle of the deflector plate is 60° - 80°.

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