CN106824827A - The sorting mechanism of globular material censorship sorter - Google Patents

Abstract

A kind of sorting mechanism of globular material censorship sorter, including classification passage, the entrance of the classification passage connects with the discharging station of globular material grader, gate is installed in the classification passage, the classification passage is connected with delivery rubber hose, the delivery rubber hose end is located on turning arm, the rotating shaft of the turning arm is connected with for the classification drive component of arm swing to be rotated, the outlet of the delivery rubber hose connects with classification rubber hose array, and it is described classification rubber hose array upper opening with the rotating shaft of the turning arm be the curved arrangement in the center of circle, the rubber hose array box array corresponding with different model globular material of classifying connects.A kind of precision of present invention offer is higher, production efficiency is higher, the sorting mechanism of lower-cost globular material censorship sorter.

Description

The classification mechanism of the spherical material inspection and classification device

technical field

The invention relates to spherical material production equipment, in particular to a sorting mechanism of a spherical material inspection and sorting device.

Background technique

By 2005, the annual output of freshwater pearls in my country has reached about 1500 tons, accounting for more than 95% of the world's pearl output. At present, the grading methods adopted by the entire industry are basically still in the stage of manual inspection, and enterprises need a large number of personnel to classify the grades of pearls by visual observation.

However, pearls are small in size and large in quantity, and the grading workload is large and easy to fatigue. The detection requires experienced workers, and the results are easily affected by subjective factors, which increases the cost of pearl production enterprises and is not conducive to quality control.

The cultured pearl grading standard GB/T 187-2008 clarifies the definition, classification, quality and other standards of cultured pearls, making the export grading inspection system possible, and the rapid grading of pearls has become one of the key points of enterprises.

This puts forward requirements for vision-based detection and classification. However, there is currently a lack of economical and practical devices that can effectively combine visual detection to classify spherical materials.

Contents of the invention

In order to overcome the deficiencies of low precision, low production efficiency and high cost of the existing manual sorting method for spherical material classification, the present invention provides a kind of spherical material inspection and classification with high precision, high production efficiency and low cost The classification mechanism for the device.

The technical solution adopted by the present invention to solve its technical problems is:

A classification mechanism of a spherical material inspection and classification device, including a classification channel, the entrance of the classification channel is connected to the discharge station of the spherical material classifier, a gate is installed in the classification channel, and the classification channel is connected to the conveying rubber Hose connection, the end of the conveying rubber hose is located on the rotating arm, the rotating shaft of the rotating arm is connected with the classification driving assembly for driving the rotating arm to swing, the outlet of the conveying rubber hose is connected to the classification rubber hose array The upper opening of the sorting rubber hose array is arranged in an arc with the rotation axis of the rotating arm as the center, and the sorting rubber hose array is connected to the box array corresponding to different types of spherical materials.

Further, the classification drive assembly includes a first synchronous wheel, a second synchronous wheel and a classification motor, the first synchronous wheel is installed on the rotating shaft of the rotating arm, and the first synchronous wheel is connected with the second synchronous wheel through a synchronous belt. connected, the second synchronous wheel is connected with the output shaft of the classification motor.

Still further, an air nozzle is provided on one side of the discharge station, and a sorting channel is provided on the other side of the discharge station, the air nozzle is fixed on the frame, and the air nozzle is located on the side of the ejector rod side.

The spherical material classifier is a machine vision-based spherical material classifier, including an outer cover, a light source, an inner coated lens and a camera, and the camera and a classification processing module for classifying spherical materials according to pictures from different angles of the spherical materials connected, the output end of the sorting processing module is connected with the actuator of the sorting mechanism.

The beneficial effects of the present invention are mainly manifested in: the completion of the detection and classification of spherical materials with visual inspection, the automatic sorting of spherical materials is realized, the problem that the current processing of spherical materials is too dependent on manual detection is effectively solved, the classification quality is guaranteed, and the classification quality is improved. Improve production efficiency and reduce business costs.

Description of drawings

Fig. 1 is the schematic diagram of spherical material inspection classification device;

Figure 2 is a schematic diagram of the inspection mechanism;

Figure 3 is a schematic diagram of the classification mechanism;

Fig. 4 is a schematic diagram of the gate switch state in the classification channel;

Fig. 5 is a schematic diagram of the initial position of the inspection mechanism;

Fig. 6 is a schematic diagram of the position of the inspection mechanism rising to the detection state;

Fig. 7 is a schematic diagram of the position of the detection state of the inspection mechanism;

Fig. 8 is a schematic cross-sectional view of a spherical material classification detector applying machine vision.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

Referring to Figures 1 to 8, a sorting mechanism for a spherical material inspection and sorting device includes a sorting channel 36, the entrance of the sorting channel 36 is connected to the discharge station of the spherical material classifier 2, and the sorting channel is installed The gate 33, the classification channel is connected with the conveying rubber hose 5, the end of the conveying rubber hose 5 is located on the rotating arm 38, and the rotating shaft of the rotating arm 38 is connected with the classification driving assembly for driving the rotating arm to swing, The outlet of the delivery rubber hose 5 is connected to the classification rubber hose array 8, and the upper opening of the classification rubber hose array 8 is arranged in an arc with the rotation axis of the rotating arm as the center of the circle. The tube array 8 is connected to the box array 10 corresponding to different types of spherical materials.

Described classification driving assembly comprises first synchronous wheel 6, second synchronous wheel and classifying motor 35, first synchronous wheel is installed on the rotating shaft of described rotary arm 38, and described first synchronous wheel is by synchronous with described second synchronous wheel by synchronous belt. The wheel is connected, and the second synchronous wheel is connected with the output shaft of the classification motor.

One side of the discharge station is provided with an air nozzle 3, and the other side of the discharge station is provided with a sorting channel 36. The air nozzle 3 is fixed on the frame, and the air nozzle 3 is located on the ejector rod 17. side.

Described spherical material classifier is based on the spherical material classifier of machine vision, comprises outer cover 39, light source 40, inner coated lens 44 and camera 47, and described camera 47 is used for according to the picture of spherical material different angle to spherical material The classified classification processing module is connected, and the output terminal of the classification processing module is connected with the actuator of the classification mechanism.

The spherical material inspection and classification device realized by the classification mechanism of this embodiment includes a spherical material classifier 2 for classifying spherical materials, and the inspection classifier also includes a spherical material to be classified into the spherical material. The inspection mechanism of the material classifier and the classification mechanism used to realize the classification and discharge according to the type determined by the spherical material classifier;

The inspection sending mechanism includes a bucket-shaped container 15, a push rod 17, and an inspection driving assembly for driving the push rod to expand and contract. The upper end of the push rod 15 is provided with a station for placing a spherical material, and the bucket-shaped The container 15 is used to place the spherical material to be classified, the bucket-shaped container 15 is located below the spherical material classifier 2, the push rod 17 passes through the bottom of the bucket-shaped container 15, and the rising push rod 17 sequentially Through the top opening of the bucket-shaped container 15 and the bottom inspection entrance of the spherical material classifier 2 to the identification station of the spherical material classifier 2, the ejector rod 17 is connected to the inspection driving assembly .

Further, the inspection drive assembly is a slider crank mechanism and an inspection motor 16, the slider crank mechanism includes a connecting rod 27 and a runner 26, and the rotor is installed on the output shaft of the inspection motor 16. Wheel 26, the lower end of the connecting rod 27 is rotatably set on the runner 26, the upper end of the connecting rod 27 is rotatably set on the bushing 29, the lower part of the push rod 17 and the bushing 29 connections. Of course, other driving methods may also be used.

Further, the inner ring of the bushing 29 is equipped with a linear bearing 30, the lower part of the push rod 17 is slidably set on the linear bearing 30, the middle part of the push rod 17 is fitted with a spring 31, and the spring The lower end of the spring 31 is in contact with the upper end of the linear bearing 30 , and the upper end of the spring 31 is in contact with the step in the middle of the push rod 17 .

Furthermore, a screw 25 is screwed on the runner 26, and a proximity switch 23 for cooperating with the screw to detect the position of the runner is installed on the frame.

The top of the ejector rod 17 is provided with a groove for placing spherical materials. The ejector rod 17 is hollow, and the bottom of the ejector rod is provided with a negative pressure tube. Device 11 is connected.

Both sides of the bucket-shaped container 15 are equipped with a vibrating motor 18 for making the spherical material in the container uniform and a photoelectric sensor 19 for detecting whether the spherical material in the container is less than a preset amount.

The bucket-shaped container 15 is fixed on the frame by a shock absorber 20, and a plug-in baffle plate for unloading is arranged in the bucket-shaped container 15.

The classification device also includes a tray 1, the bottom of the container wall of the tray 1 is provided with a through hole corresponding to the size of the spherical material, the bottom of the tray 1 is provided with a rotating assembly, and the through hole at the bottom of the tray 1 is located Above the upper feed inlet of bucket-shaped container 15.

In this embodiment, the unloading mechanism is a container whose bottom can be driven by a DC motor to rotate, hereinafter referred to as the tray 1 . The bottom of the container wall of the tray has a through hole corresponding to the size of the spherical material, which is used to store the spherical material to be inspected, and the rotation of the bottom can make the spherical material in the tray flow out of the through hole.

The inspection mechanism is made up of bucket container 15 and a kind of slider crank mechanism. The bucket-shaped container 15 is fixed on the frame through the shock absorber 20, and the vibration motor 18 and the photoelectric sensor 19 are installed on both sides. The spherical material of the bucket container 15 has a plug-in baffle plate for discharge. The crank-slider-like inspection mechanism is composed of a linear bearing 30 fixed on the frame, a push rod 17, a connecting rod 27 and a runner 26, and the inspection motor 16 connected to the runner 26 (stepper motor of the selection part) )drive. A spring 31 is arranged on the push rod 17 . Screw 25 is screwed on the running wheel 26, and proximity switch 23 is set to detect to determine the running wheel position. The inspection sending motor 16 is installed on the motor base 24 , the motor base 24 is fixed on the frame, and the proximity switch is installed on the motor base 24 . The bushing 29 is connected to the upper end of the connecting rod 27 through a pin and a bearing, and a gasket 28 is provided near the lower end of the push rod. The bottom of the bucket-shaped container 15 is provided with a flange-type linear bearing 21, and the flange-type linear bearing 21 is mounted on a bearing seat 32, and the bearing seat 32 is fixed on the frame, and the ejector rod 17 passes through the Describe the flange type linear bearing 21.

The sorting mechanism is made up of air nozzle 3, miniature cylinder 4, sorting motor 35, belt and synchronous pulley 6, rubber hose 5, sorting channel 36, etc. The air nozzle 3 is fixed on the frame, and is used to make the spherical material enter the classification channel. The miniature cylinder 4 is fixed on the sorting channel 36, and can be driven to be connected to the cylinder head gate 33, and the gate 33 is opened and the sorting channel 36 is connected. The sorting motor (stepper motor is selected) is installed on the frame, and the rotating arm 38 is driven by the synchronous pulley to move to different positions in the sorting channel to complete the conversion of the channel outlet to realize the classification function, wherein the rubber hose 5 is connected with the sorting channel and the sorting channel. The swivel arm is connected. The outlet of each sorting channel is equipped with a container to store the sorted spherical materials.

The detection device is a spherical material detection device based on vision. The detection device has an outer cover to isolate external light, and a light source, an inner coated lens, and a camera inside. During detection, the spherical material needs to be sent to the detection position, and the camera obtains a picture containing different angles of the spherical material through the reflection of the lens.

The chassis consists of an upper box and a lower box. The upper box is used for the installation of control parts such as mechanical mechanism, industrial computer and single-chip microcomputer, and the lower box is used for storage and as a support for the upper box.

In the above-mentioned spherical material inspection and classification mechanism, the through hole of the material tray communicates with the bucket-shaped container.

The working process of the present embodiment: a certain amount of spherical material is needed in the bucket-shaped container 15. When the photoelectric sensor 19 detects that the spherical material in the bucket-shaped container 15 does not reach the required amount, the bottom of the material tray 1 rotates to make the stored The spherical material to be checked falls into the bucket-shaped container 15 until the amount of spherical material in the bucket-shaped container meets the work requirements. The bucket container 15 is equipped with a vibrating motor 18, so that the spherical material in the container has good fluidity during work, so as not to stay on one side of the container.

The inspection stepper motor 16 starts to work after receiving the signal from the detection device 2, drives the runner 26 to rotate, and drives the similar crank slider feeding mechanism (Fig. The absolute position of the circle is used to eliminate the accumulated error of the running position. The crank-slider-like inspection mechanism is composed of runner 25, pin and bearing 22, connecting rod 27, washer 28, bushing 29, linear bearing 30, spring 31, and ejector rod 17. The crank-slider-like inspection mechanism can also be Other guide rail type cylinder type up and down inspection mechanism.

There is a through hole in the center of the ejector rod 17 and a groove at the top. When the inspection mechanism is in state one (Figure 5), one and only one of the bucket-shaped containers will be placed on the groove on the top of the ejector rod 17. Now the vacuum generator 11 works, so that the through hole in the push rod 17 has a negative pressure to absorb the spherical material. Then along with the rotation of the stepper motor 16 for inspection, the push rod sends the spherical material on the groove to the detection device 2 from the bucket-shaped container. When the push rod reaches the detection position, that is, state two ( FIG. 6 ), the push rod 17 is held by the detection device 2 and remains in a static state, and the detection device starts to detect at this moment. And the inspection stepper motor 16 is still rotating, and the spring 31 is compressed, so that the push rod is kept at the detection position for a period of time for the detection device 2 to detect the spherical material. Then the connecting rod 27 reaches the highest point ( FIG. 7 ), and along with the rotation of the inspection stepper motor 16 , the ejector rod 17 descends and finally returns to state one ( FIG. 5 ), completing a inspection process.

In the inspection process as described above, when the ejector rod 17 reaches the detection position and then falls after the detection, the air nozzle 3 blows air, so that the spherical material on the ejector rod 17 enters the classification channel 36, and finally reaches the classification channel to extend Section 37 awaits the test result. Then the classification stepper motor 35 rotates the rotating arm 38 through the synchronous pulley 6 according to the detection results to rotate the rubber hose 5 connected thereto, and determines the stop position by the photoelectric sensor array 7, and the stop position corresponds to the rubber hose A hose in the array 8, each hose corresponds to a category of spherical materials that need to be classified. When the rotating arm 38 arrived at the stop position, the miniature cylinder 4 ventilated and opened the gate 33, as shown in Figure 4 in this state. When the gate 33 is opened, the spherical material falls into the rubber hose 5, then falls into the hose corresponding to this type in the rubber hose array 8, and then transferred into the box array 10, that is, each box corresponds to a type of spherical material storage. Complete the classification action.

Claims (4)

1. a kind of sorting mechanism of globular material censorship sorter, it is characterised in that：Including classification passage, the classification passage Entrance connect with the discharging station of globular material grader, it is described classification passage in install gate, the classification passage with it is defeated Rubber hose is sent to connect, the delivery rubber hose end is located on turning arm, the rotating shaft of the turning arm is revolved with for drive The classification drive component connection that pivoted arm swings, the outlet of the delivery rubber hose connects with classification rubber hose array, and institute The upper opening for stating classification rubber hose array is the curved arrangement in the center of circle with the rotating shaft of the turning arm, and the classification rubber is soft Pipe array box array corresponding with different model globular material connects.

2. the sorting mechanism of globular material censorship sorter as claimed in claim 1, it is characterised in that：The classification drives Component includes the first synchronizing wheel, the second synchronizing wheel and classification motor, and the first synchronizing wheel is installed in the rotating shaft of the turning arm, described First synchronizing wheel is connected by Timing Belt with second synchronizing wheel, second synchronizing wheel with it is described classification motor output shaft Connection.

3. the sorting mechanism of globular material censorship sorter as claimed in claim 1, it is characterised in that：The discharging station Side sets valve, and the opposite side of the discharging station sets classification passage, and the valve is fixed in frame, the valve position In the side of the push rod.

4. Fen Liao mechanisms of the globular material censorship sorter as described in one of claims 1 to 3, it is characterised in that：It is described Globular material grader is the globular material grader based on machine vision, includes outer cover, light source, interior plated film lens and shooting Head, the camera and the classification processing module to be classified to globular material according to the picture of the different angles of globular material Connection, the output end of the classification processing module is connected with the actuator of the sorting mechanism.