CN203037589U - Line positive scanning video detection system - Google Patents

Abstract

The utility model discloses a line positive scanning video detection system, which comprises a conveyor belt, a first air transfer device, a second air transfer device, a bottle dividing wheel, a bottle blocking electric eye, a four-position disc, a four-position disc and a divider Connection, bottle-entry sensor electric eye, outer cylinder, passive wheel, sensor electric eye, supporting rotation device, several rotating wheels, semicircular light source, servo motor, surface frame CCD image sensor, linear CCD image sensor, reject sensor electric eye, reject device, The control unit is connected to the display screen. The utility model overcomes the problems of insufficient product detection precision, high misjudgment rate, high labor cost and low production efficiency in the prior art, and has the advantages of simple structure, low cost, automatic detection, high detection precision, automatic elimination of defective products and high production efficiency, etc. features.

Description

A Line Positive Scanning Video Detection System

technical field

The utility model relates to a plastic video packaging detection technology, in particular to a line positive scanning video detection system.

Background technique

In the prior art, the visual inspection system is generally used to inspect the appearance of plastic packaging products, and most of them use the surface-frame difference principle for inspection, that is, the product photos taken by the camera are processed in grayscale, and the product is inspected through difference to determine whether the product is qualified. However, for some in-mold labeling products, quality abnormalities such as bubbles on the bottle body, scratches on the label paper, and misalignment are prone to occur during the production process, which cannot be completely cured from the equipment. Using the old surface-frame video detection system, due to the The shape leads to the deviation of the detection distance and angle, resulting in insufficient product detection accuracy or high misjudgment rate, and these defects cannot be accurately detected.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above prior art and provide a line positive scanning video detection system with simple structure, low cost, automatic detection, high detection accuracy, automatic removal of defective products and high production efficiency.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a line positive scanning video detection system, including a conveyor belt, one end of the conveyor belt is provided with a first aerial transmission device, and the other end of the conveyor belt is provided with a second aerial transmission device. There is a bottle separating wheel on one side of the belt, and a bottle blocking electric eye on the other side of the conveyor belt. The divider is connected, and the second station of the four-position disc rotating four-position disc is equipped with a bottle-inducting sensor electric eye, and a detection device is installed on the rear side of the four-position disc. The detection device includes an outer cylinder, an outer cylinder and two passive wheels. Connection, the position induction electric eye is set at the entrance of the detection station, the supporting rotation device is provided above the detection station, there are several rotating wheels inside the detection station, the rotating wheels are connected with the servo motor below, and there is a semi- Circular light source and surface frame CCD image sensor, the other side of the detection station is equipped with a linear CCD image sensor, the exit end of the detection station is equipped with a rejection induction electric eye and a rejection device, bottle separation wheel, bottle blocking electric eye, bottle entry induction electric eye, The position induction electric eye, the rejection induction electric eye, the divider, the rejection device, the servo motor, the area frame CCD image sensor and the linear CCD image sensor are connected with the control device, and the area frame CCD image sensor and the linear CCD image sensor are connected with the display screen.

In order to lift the light source up and down and ensure the quality of inspection, it also includes a light source support frame. The light source support frame is longitudinally provided with a chute, and the semicircular light source is connected to the chute.

In order to gently support the product and achieve a full rotation of the product, the supporting and rotating device includes a supporting cylinder, and a rotating mechanism is provided at the end of the supporting cylinder.

Preferably, the control device is PLC.

Preferably, the rejecting device is a telescopic cylinder.

The working principle of the utility model: a line positive scanning video detection system, including a conveyor belt, one end of the conveyor belt is provided with a first aerial transmission device, the other end of the conveyor belt is provided with a second aerial transmission device, and one side of the conveyor belt is provided with a separate Bottle wheel, the other side of the conveyor belt is equipped with a bottle blocking electric eye, and the bottle separating wheel is set opposite to the bottle blocking electric eye. There is a four-position dividing plate on the conveyor belt behind the bottle separating wheel, and the four-position dividing plate is connected with the divider. The second station of the four-position sub-disc that rotates the sub-disc is equipped with an induction electric eye for entering bottles, and a detection device is installed on the back of the four-position sub-disc. The detection device includes an outer cylinder, which is connected with two passive wheels to detect the entrance of the station. There is a position induction electric eye at the center, a supporting rotating device is provided above the detection station, there are several rotating wheels inside the detection station, and the rotating wheels are connected with the servo motor below, and a semicircular light source and a surface frame are installed on the side of the detection station CCD image sensor, a linear CCD image sensor is installed on the other side of the detection station, and the exit end of the detection station is equipped with a reject sensor and a reject device, bottle separating wheel, bottle blocking sensor, bottle entry sensor, position sensor sensor, and reject sensor The electric eye, the divider, the rejecting device, the servo motor, the frame CCD image sensor and the linear CCD image sensor are connected with the control device, and the frame CCD image sensor and the linear CCD image sensor are connected with the display screen.

In actual work, the product is automatically conveyed to the conveyor belt by the first air conveying device; the bottle separating wheel is controlled by PLC and can automatically adjust the speed according to the bottle blocking electric eye. When the lighting frequency of the bottle blocking electric eye is too high, it will exceed the machine processing capacity, the speed of the bottle dividing wheel will slow down or stop, otherwise it will automatically speed up; then the product enters the four-position dividing plate, which is driven by the divider, and the time of each position is moved in real time, and the bottle-entry sensor electric eye determines the product Whether it enters, whether the light source is on; when the position induction electric eye light is on, the product enters the inspection station, when the product enters the inspection station, the two passive wheels on the outside of the equipment are pushed forward by the outer cylinder, and the support on the upper side of the inspection station rotates The supporting cylinder of the device pushes down and gently supports the bottle mouth of the product, and the rotating wheel rotates slowly, and the product rotates here for a circle; when the product enters the detection station and does not rotate, the surface frame CCD image sensor first takes pictures to detect the specific situation of labeling ;When the product is rotating, the linear CCD image sensor detects the air bubbles of the label through the backlight technology, and selects the unqualified product; finally, the product is rejected by the induction electric eye, and the PLC controls the removal device to remove the unqualified product.

Compared with the prior art, the utility model has the following advantages and effects:

1. The utility model adopts a conveyor belt, one end of the conveyor belt is provided with a first aerial conveying device, the other end of the conveyor belt is provided with a second aerial conveying device, one side of the conveyor belt is provided with a bottle separating wheel, and the other side of the conveyor belt is provided with a bottle separating wheel. There is a bottle blocking electric eye, and the bottle separating wheel is set opposite to the bottle blocking electric eye. There is a four-position sub-disc on the conveyor belt behind the bottle-dividing wheel. The four-position sub-disc is connected with the divider. The second station is equipped with a sensor electric eye for entering the bottle, and a detection device is installed on the rear side of the four-position disc. The detection device includes an outer cylinder connected to two driven wheels. A position induction electric eye is installed at the entrance of the detection station. There is a supporting rotating device above the detection station, and there are several rotating wheels inside the detection station, which are connected with the servo motor below. One side of the detection station is equipped with a semicircular light source and a surface frame CCD image sensor, and the other side of the detection station is The side is equipped with a linear CCD image sensor, and the exit of the detection station is equipped with a rejecting sensor and a rejecting device, a bottle separating wheel, a bottle blocking sensor, a bottle entering sensor, a position sensor, a rejecting sensor, a divider, a rejecting device, and a servo The motor, surface frame CCD image sensor and linear CCD image sensor are connected to the control device, and the surface frame CCD image sensor and linear CCD image sensor are connected to the display screen, which has the advantages of simple structure, low cost, automatic detection, high detection accuracy, and automatic removal of defective products and high production efficiency.

2. The supporting and rotating device in the utility model includes a supporting cylinder, and the end of the supporting cylinder is provided with a rotating mechanism, which can ensure that the surface frame CCD image sensor detects first, and then rotates a circle for detection by the linear CCD image sensor.

3. The utility model splices and expands the scanned graphics, because quality defects such as air bubbles and scratches will have protrusions on the product, and through backlight irradiation, the protrusions will have a greater impact on the reflection of light, resulting in different imaging effects , using this principle to judge product defects, can realize the automatic detection function, and the detection accuracy is high.

4. With the utility model, there is no need for manual inspection, and there is no quality risk of missing or misreading.

Description of drawings

FIG. 1 is a schematic structural diagram of a line positive scanning video detection system.

The labels and names in the figure are as follows:

1 conveyor 2 first air transporter 3 second air transport device 4 bottle wheel 5 Bottle blocking electric eye 6 four-digit board 7 Induction sensor electric eye 8 Outer cylinder 9 Position Sensing Electric Eye 10 Support rotating device 11 rotating wheel 12 semicircular light source 13 Surface frame CCD image sensor 14 Linear CCD image sensor 15 Elimination of induction electric eyes 16 Rejection device 17 Light source support frame 18 display screen

Detailed ways

For the convenience of those skilled in the art to understand, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Example:

As shown in Figure 1, a line positive scanning video detection system includes a conveyor belt 1, a first aerial conveyor 2 is provided at one end of the conveyor belt 1, a second aerial conveyor 3 is provided at the other end of the conveyor belt 1, and the conveyor belt 1 One side is equipped with a bottle separating wheel 4, and the other side of the conveyor belt 1 is equipped with a bottle blocking electric eye 5, the bottle separating wheel 4 is set opposite to the bottle blocking electric eye 5, and the conveyor belt 1 behind the bottle separating wheel 4 is equipped with a four-position separating plate 6. The four-position disc 6 is connected to the divider, and the second station of the four-position disc 6 that rotates is equipped with a bottle-entry sensor electric eye 7, and the rear side of the four-position disc 6 is equipped with a detection device. Including the outer cylinder 8, the outer cylinder 8 is connected with two driven wheels, a position sensing electric eye 9 is provided at the entrance of the detection station, a supporting rotating device 10 is provided above the detection station, and a number of rotating wheels 11 are provided inside the detection station, and the rotation The wheel 11 is connected with the servo motor below, a semicircular light source 12 and a surface frame CCD image sensor 13 are provided on one side of the detection station, a linear CCD image sensor 14 is provided on the other side of the detection station, and a Rejection induction electric eye 15 and rejection device 16, bottle separating wheel 4, bottle blocking electric eye 5, bottle entry induction electric eye 7, position induction electric eye 9, rejection induction electric eye 15, divider, rejection device 16, servo motor, surface frame CCD image sensor 13 and the linear CCD image sensor are connected with the control device, and the frame CCD image sensor and the linear CCD image sensor 14 are connected with the display screen 18. In this embodiment, the control device is a PLC, and the rejecting device 16 is a telescopic cylinder.

In order to lift the light source up and down and ensure the quality of inspection, this embodiment also includes a light source support frame 17, and the light source support frame 17 is longitudinally provided with a chute, and the semicircular light source 12 is connected to the chute.

The supporting and rotating device 10 in this embodiment includes a supporting cylinder, and a rotating mechanism is provided at the end of the supporting cylinder, and the rotating mechanism in this embodiment is a ball.

In actual work, the product is automatically conveyed to the conveyor belt 1 by the first air conveying device 2; the bottle separating wheel 4 is controlled by PLC and can automatically adjust the speed according to the bottle blocking electric eye 5, when the lighting frequency of the bottle blocking electric eye 5 is too high, If the processing capacity of the machine is exceeded, the speed of the bottle dividing wheel 4 will slow down or stop, otherwise it will automatically speed up; then the product will enter the four-position disc 6, which is driven by the divider, and the movement of each position will be detected immediately Time, the sensor electric eye 7 for entering the bottle determines whether the product enters, and whether the light source is on; Forward, the supporting cylinder of the supporting rotating device 10 on the upper side of the detection station pushes down and gently holds the bottle mouth of the product, the rotating wheel 11 rotates slowly, and the product rotates here; when the product enters the detection station and does not rotate, The surface frame CCD image sensor 13 first takes pictures to detect the specific situation of labeling; when the product rotates, the linear CCD image sensor 14 detects the air bubbles on the label through backlight technology and selects unqualified products; finally, the induction electric eye 15 senses the products to pass through , the PLC controls the rejecting device 16 to reject unqualified products.

The specific implementation described above is a preferred embodiment of the utility model, and does not limit the utility model. Any other changes or other equivalent replacement methods that do not deviate from the technical solution of the utility model are included in the utility model. within the scope of the new protection.

Claims (5)

1. positive scan video detection system of line, it is characterized in that: comprise conveying belt, conveying belt one end is provided with the first aerial conveyer, the conveying belt other end is provided with the second aerial conveyer, conveying belt one side is provided with branch bottle wheel, the conveying belt opposite side is provided with stifled bottle electric eye, divide bottle wheel and stifled bottle electric eye to be oppositely arranged, divide bottle wheel rear side conveying belt to be provided with four branch dishes, four branch dishes are connected with dispenser, four branches of four branch dish rotations coil the second station place and are provided with into a bottle induction electric eye, four branch dish rear sides are provided with pick-up unit, pick-up unit comprises outside cylinder, outside cylinder is connected with two followers, detect the station porch and be provided with the location sensitive electric eye, detect the station top and be provided with the support whirligig, detect the station inboard and be provided with some rotor wheels, rotor wheel is connected with the servomotor of below, detect station one side and be provided with semicircle light source and face frame ccd image sensor, detect the station opposite side and be provided with linear ccd image sensor, detect the station endpiece and be provided with rejecting induction electric eye and device for eliminating, divide the bottle wheel, stifled bottle electric eye, go into bottle induction electric eye, the location sensitive electric eye, reject the induction electric eye, dispenser, device for eliminating, servomotor, face frame ccd image sensor is connected with control device with linear ccd image sensor, and face frame ccd image sensor is connected with display screen with linear ccd image sensor.

2. the positive scan video detection system of line according to claim 1, it is characterized in that: also comprise the light source support, the light source support vertically offers chute, and semicircle light source is connected with chute.

3. the positive scan video detection system of line according to claim 1, it is characterized in that: described support whirligig comprises the support cylinder, helps the cylinder end to be provided with rotating mechanism.

4. the positive scan video detection system of line according to claim 1, it is characterized in that: described control device is PLC.

5. the positive scan video detection system of line according to claim 1, it is characterized in that: described device for eliminating is telescopic cylinder.

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