阅读说明：本技术 一种卷烟烟支自动取样方法 (Automatic cigarette sampling method ) 是由 陈圣 徐国现 沈宗毅 于 2020-12-22 设计创作，主要内容包括：本发明涉及一种卷烟烟支自动取样方法,Y向直线导轨组件沿X向直线导轨组件移动到烟支输送线的上方,烟支拾取装置沿Y向直线导轨组件下移至取样位置；电磁阀开启,利用负压产生的吸力,将烟支吸到烟支吸爪上；烟支拾取装置沿Y向直线导轨组件上升到设定位置后,Y向直线导轨组件沿X向直线导轨组件移出烟支输送线上方,实现卷烟烟支的自动取样。本技术方案通过自动控制烟支检测系统,实现卷烟烟支自动取样及自动测量,并将测量数据反馈给控制器,再通过控制器发送到人机交换系统,能够及时对烟支输送线上的烟支的重量、长度、圆周及外观进行测量,并且可以根据需要,随时调节取样间隔,在保证检测间隔相等的情况下,减少取样工作量。(The invention relates to an automatic sampling method of cigarette, a Y-direction linear guide rail component moves to the upper part of a cigarette conveying line along the X-direction linear guide rail component, and a cigarette pickup device moves downwards to a sampling position along the Y-direction linear guide rail component; the electromagnetic valve is opened, and the cigarette is sucked to the cigarette suction claw by using the suction force generated by the negative pressure; after the cigarette picking device ascends to a set position along the Y-direction linear guide rail assembly, the Y-direction linear guide rail assembly moves out of the upper part of the cigarette conveying line along the X-direction linear guide rail assembly, and automatic sampling of cigarettes is achieved. This technical scheme passes through automatic control cigarette detecting system, realizes cigarette automatic sampling and automatic measurement to give the controller with measured data feedback, the man-machine exchange system is sent to the rethread controller, can in time measure the weight, length, circumference and the outward appearance of a cigarette on a cigarette transfer chain, and can adjust the sample interval as required at any time, under the circumstances that the assurance detection interval equals, reduce sample work load.)

1. An automatic sampling method for cigarette is characterized in that an automatic online cigarette detection system is utilized, and the method comprises the following steps:

s1, determining the sampling time interval of the cigarettes according to the indexes of the cigarettes to be detected, and simultaneously determining the detection sequence of the indexes of the cigarettes to be detected;

s2, moving a Y-direction linear guide rail assembly in the cigarette moving device to the position above the cigarette conveying line along the X-direction linear guide rail assembly, moving a cigarette pickup device downwards to a sampling position along the Y-direction linear guide rail assembly, and enabling a cigarette suction claw of the cigarette pickup device not to be in contact with a cigarette on the cigarette conveying line;

s2, opening an electromagnetic valve of the cigarette pickup device, and sucking the cigarettes to cigarette suction claws of the cigarette pickup device by using suction force generated by negative pressure;

s3, after the cigarette picking device ascends to a set position along the Y-direction linear guide rail assembly, the Y-direction linear guide rail assembly moves out of the upper part of the cigarette conveying line along the X-direction linear guide rail assembly, and automatic sampling of cigarettes is achieved.

2. The method of claim 1, wherein the cigarette is tested according to any one of the following criteria, including but not limited to cigarette weight, cigarette length, cigarette circumference, or cigarette appearance.

3. The automatic cigarette sampling method according to claim 2, wherein the detection sequence of the indexes to be detected of the cigarette is the cigarette weight, the cigarette length, the cigarette appearance and the cigarette circumference in sequence;

after step S3 is completed, steps S4 to S8 are performed in sequence;

s4, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, if the cigarette weight data is in the set range, the step S5 is executed, and if the cigarette weight data is not in the set range, the step S8 is executed;

s5, opening an electromagnetic valve, sucking the cigarettes to the cigarette suction claws of the cigarette pickup device, moving the cigarettes to a measurement base point, detecting the cigarette suction claws by a detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarettes by a CCD (charge coupled device) image sensor, feeding detection data back to a controller, analyzing by the controller, executing the step S8 if any one or two of the length of the cigarettes and the appearance of the cigarettes are not in a set range, and executing the step S6 if the length of the cigarettes and the appearance of the cigarettes are in the set range;

s6, controlling the rotary cylinder to rotate by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S7; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and the step S8 is executed;

s7, resetting the rotary cylinder, controlling the movement of the moving device and enabling the cigarette pickup device to be positioned above the cigarette conveying line by the controller, controlling the electromagnetic valve to be closed by the controller, and enabling the cigarettes to fall back to the cigarette conveying line;

s8, the controller controls the moving device to move and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the controller controls the electromagnetic valve to be closed, and the cigarettes fall into the waste cigarette storage box.

4. The automatic cigarette sampling method according to claim 2, wherein the indexes to be detected of the cigarette are sequentially the cigarette weight, the cigarette length, the cigarette appearance and the cigarette circumference.

5. The automatic cigarette sampling method according to claim 4, wherein after the completion of step S3, steps S14 to S18 are sequentially performed;

s14, moving the cigarette suction claw of the cigarette pickup device to a measurement base point, detecting the cigarette suction claw by a detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarette by the CCD image sensor, feeding detection data back to the controller, analyzing by the controller, executing the step S18 if any one or two of the length of the cigarette and the appearance of the cigarette are not in the set range, and executing the step S15 if the length of the cigarette and the appearance of the cigarette are in the set range;

s15, rotating the rotary cylinder by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S16; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and the step S18 is executed;

s16, resetting the rotary cylinder, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, if the cigarette weight data is in the set range, the step S17 is executed, and if the cigarette weight data is not in the set range, the step S18 is executed;

s17, moving the moving device to enable the cigarette pickup device to be located above the cigarette conveying line, closing the electromagnetic valve, and enabling the cigarettes to fall back to the cigarette conveying line;

s18, the moving device moves and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the electromagnetic valve is closed, and the cigarettes fall into the waste cigarette storage box.

6. The automatic cigarette and cigarette sampling method according to claim 1, characterized in that a position sensor is arranged on the cigarette moving device, and the position sensor detects signals of the cigarette conveying line and feeds the signals back to the controller, so as to ensure that the cigarette suction claw of the cigarette pickup device is positioned in the range of the cut tobacco part of the cigarette.

7. The automatic cigarette sampling method according to claim 6, wherein the position sensor is a photoelectric switch.

8. The method of claim 1, wherein the suction created by the negative pressure is greater than the weight of a single cigarette but less than the weight of two cigarettes.

9. The automatic cigarette sampling method according to claim 3 or 5, wherein the cigarette pickup device comprises a connecting rod, a rotary cylinder and a cigarette suction claw, the upper end of the connecting rod is connected with the cigarette moving device, the rotary cylinder at the lower end of the connecting rod is connected, the output end of the rotary cylinder is connected with the cigarette suction claw, the cigarette suction claw is provided with a suction hole, and the suction hole is connected with a negative pressure air source through a pipeline.

10. The automatic sampling method for cigarette and cigarette according to claim 3 or 5, characterized in that the physical indexes of cigarette weight, cigarette circumference and cigarette length are fed back through a oscillogram on a human-computer interaction system, the cigarette appearance shows a cigarette magnified image, and when unqualified cigarettes appear, a defective cigarette image is displayed at the same time.

Technical Field

The invention belongs to the technical field of cigarette detection, and particularly relates to an automatic sampling method for cigarette.

Background

At present, cigarette physical indexes of cigarette production enterprises are mainly detected on line through an outer diameter measuring plate and an electronic scale, off-line detection is mainly carried out through a cigarette comprehensive test bench, measuring of the measuring plate is used for measuring circumference indexes and length indexes, measuring of the measuring plate is subjective in measurement, measured values of the measuring plate are different from person to person, and reliability is extremely poor in judgment basis; the electronic scale is used for measuring the development weight, and manual operation of an operator is needed in sampling, calibration and measurement; the comprehensive cigarette test bench can measure physical indexes such as weight, length, roundness and suction resistance synchronously, but basically belongs to off-line detection.

Above three kinds of measurement scheme, all need the manual work to take a sample, according to workshop quality control regulation, generally need carry out artifical length, circumference and weight measurement to the cigarette every 5 minutes, carry out comprehensive test platform every 30 minutes and measure, manual operation can not guarantee the promptness of sample, and limited comprehensive test platform also can not satisfy the simultaneous use of many cigarette machines, can see out that the off-line measurement is not timely to quality control reaction, and measuring frequency is low, can not satisfy daily production needs.

In order to improve the timeliness of sampling, an automatic cigarette sampling technology has been developed, that is, compressed air is utilized to blow cigarettes out of a cigarette conveying line according to a set sampling interval and fall into a receiving device, and then the cigarettes in the receiving device are collected manually for detection.

Disclosure of Invention

The invention aims to provide an automatic cigarette sampling method to solve the problem that the automatic sampling technology in cigarette detection in the prior art cannot ensure the accuracy of cigarette detection results.

The invention is realized by the following technical scheme:

an automatic sampling method for cigarette rods, which utilizes an online automatic cigarette detection system, comprises the following steps:

s1, determining the sampling time interval of the cigarettes according to the indexes of the cigarettes to be detected, and simultaneously determining the detection sequence of the indexes of the cigarettes to be detected;

s2, moving a Y-direction linear guide rail assembly in the cigarette moving device to the position above the cigarette conveying line along the X-direction linear guide rail assembly, moving a cigarette pickup device downwards to a sampling position along the Y-direction linear guide rail assembly, and enabling a cigarette suction claw of the cigarette pickup device not to be in contact with a cigarette on the cigarette conveying line;

s2, opening an electromagnetic valve of the cigarette pickup device, and sucking the cigarettes to cigarette suction claws of the cigarette pickup device by using suction force generated by negative pressure;

s3, after the cigarette picking device ascends to a set position along the Y-direction linear guide rail assembly, the Y-direction linear guide rail assembly moves out of the upper part of the cigarette conveying line along the X-direction linear guide rail assembly, and automatic sampling of cigarettes is achieved.

Preferably, the cigarette is detected according to the indexes including but not limited to the cigarette weight, the cigarette length, the cigarette circumference or the cigarette appearance.

Preferably, after step S3 is completed, steps S4 to S8 are performed in sequence;

s4, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, if the cigarette weight data is in the set range, the step S5 is executed, and if the cigarette weight data is not in the set range, the step S8 is executed;

s5, opening an electromagnetic valve, sucking the cigarettes to the cigarette suction claws of the cigarette pickup device, moving the cigarettes to a measurement base point, detecting the cigarette suction claws by a detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarettes by a CCD (charge coupled device) image sensor, feeding detection data back to a controller, analyzing by the controller, executing the step S8 if any one or two of the length of the cigarettes and the appearance of the cigarettes are not in a set range, and executing the step S6 if the length of the cigarettes and the appearance of the cigarettes are in the set range;

s6, controlling the rotary cylinder to rotate by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S7; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and the step S8 is executed;

s7, resetting the rotary cylinder, controlling the movement of the moving device and enabling the cigarette pickup device to be positioned above the cigarette conveying line by the controller, controlling the electromagnetic valve to be closed by the controller, and enabling the cigarettes to fall back to the cigarette conveying line;

s8, the controller controls the moving device to move and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the controller controls the electromagnetic valve to be closed, and the cigarettes fall into the waste cigarette storage box.

Preferably, the detection sequence of the indexes to be detected of the cigarette is the cigarette weight, the cigarette length, the cigarette appearance and the cigarette circumference in sequence.

Preferably, after step S3 is completed, steps S14 to S18 are sequentially performed;

s14, moving the cigarette suction claw of the cigarette pickup device to a measurement base point, detecting the cigarette suction claw by a detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarette by the CCD image sensor, feeding detection data back to the controller, analyzing by the controller, executing the step S18 if any one or two of the length of the cigarette and the appearance of the cigarette are not in the set range, and executing the step S15 if the length of the cigarette and the appearance of the cigarette are in the set range;

s15, rotating the rotary cylinder by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S16; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and the step S18 is executed;

s16, resetting the rotary cylinder, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, if the cigarette weight data is in the set range, the step S17 is executed, and if the cigarette weight data is not in the set range, the step S18 is executed;

s17, moving the moving device to enable the cigarette pickup device to be located above the cigarette conveying line, closing the electromagnetic valve, and enabling the cigarettes to fall back to the cigarette conveying line;

s18, the moving device moves and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the electromagnetic valve is closed, and the cigarettes fall into the waste cigarette storage box.

Preferably, a position sensor is arranged on the cigarette moving device and used for detecting signals of the cigarette conveying line and feeding the signals back to the controller so as to ensure that the cigarette suction claws of the cigarette pickup device are positioned in the range of the tobacco shred parts of the cigarettes.

Preferably, the position sensor is an opto-electronic switch.

Preferably, the suction force generated by the negative pressure is greater than the weight of a single cigarette but less than the weight of two cigarettes.

Preferably, a cigarette pickup apparatus includes connecting rod, revolving cylinder and cigarette and inhales the claw, the upper end of connecting rod with a cigarette mobile device connects, the lower extreme revolving cylinder of connecting rod connects, and revolving cylinder's output and a cigarette are inhaled the claw and are connected, a cigarette is inhaled and is provided with on the claw and inhales the hole, it is connected with negative pressure air source through the pipeline to inhale the hole.

Preferably, the human-computer interaction system feeds back the cigarette weight, the cigarette circumference and the cigarette length physical indexes through the oscillogram, the cigarette appearance displays the cigarette amplified image, and when unqualified cigarettes appear, the defective cigarette image is displayed at the same time.

The invention has the beneficial effects that:

this technical scheme passes through automatic control cigarette detecting system, realizes cigarette automatic sampling and automatic measurement to give the controller with measured data feedback, the man-machine exchange system is sent to the rethread controller, can in time carry out on-line monitoring to the cigarette that props up on the transfer chain, and can adjust the sample interval as required at any time, under the circumstances that the assurance detection interval equals, reduce sample work load.

Drawings

FIG. 1 is a schematic structural diagram of an on-line cigarette detection system according to the present invention;

FIG. 2 is a schematic structural diagram of a cigarette moving device and a cigarette pickup device according to the present invention.

Description of the reference numerals

1. The cigarette holder comprises an X-direction linear guide rail assembly, 2 and Y-direction linear guide rail assemblies, 3, a connecting rod, 4, a rotary cylinder, 5, a fixing part, 6, a cigarette suction claw, 7, a cigarette, 11 and an X-direction guide rail, 12 and an X-direction ball screw, 13 and an X-direction sliding block, 14 and an X-direction stepping motor, 21 and a Y-direction guide rail, 22 and a Y-direction ball screw, 23 and a Y-direction sliding block, and 24 and a Y-direction stepping motor.

Detailed Description

The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.

In the technical solutions of the present application, modifiers such as "upper", "lower", "left", "right", "front", "rear", and the like related to directions or positions are intended to explain the technical solutions of the present application, and are not particularly limited to specific positions.

The technical scheme of the application is realized by utilizing the cigarette physical index online automatic detection system, as shown in figure 1 and figure 2, the online automatic detection system at least comprises a cigarette pickup device, a cigarette moving device, a cigarette appearance detection device and a controller, and the output end of the controller is in electric signal connection with a production line or a human-computer interaction system of a detection mechanism. In the technical scheme of the application, the controller adopts a device or a module which is used by the prior conventional technology and can play the role of the controller, and the controller can be obtained by commercial purchase.

The on-line automatic detection system further comprises a base and a supporting frame, wherein the base is used for installing the on-line monitoring system in a required position or in the shell, and the on-line monitoring system is specific according to requirements. The lower extreme vertical fixation of support frame installs on the base, and the support frame is for can realizing this technical scheme's arbitrary support, and all can realize this application's technical scheme all can, consequently, does not explain in detail the support frame among this application's technical scheme.

The cigarette moving device comprises an X-direction linear guide rail assembly 1 and a Y-direction linear guide rail assembly 2.

The X-direction linear guide rail assembly 1 comprises an X-direction guide rail 11, an X-direction ball screw 12, an X-direction slider 13 and an X-direction stepping motor 14. X includes the guide rail body to the guide rail, in the technical scheme of this application, the guide rail body is the cuboid, the square, rectangular pipe shape, square tubular or other similar structures, in this embodiment, the guide rail body is the cuboid structure, the one end of guide rail body is installed on the support frame, in the technical scheme of this application, the one end of guide rail body is fixed mounting on the support frame, in other embodiments of this application, the one end of guide rail body also can be sliding connection with the support frame, perhaps drive through elevator motor, with the height of adjustment X to the guide rail, in order to adapt to different production lines.

In this embodiment, the upper and lower ends of the side (right side as shown in fig. 1) of the guide rail body opposite to the Y-direction linear guide rail assembly are respectively provided with a sliding groove, which is an upper sliding groove and a lower sliding groove, so that the cross section of the guide rail body is at least in a shape of a letter convex turning 90 degrees right, the sliding groove is used for being matched with the X-direction sliding block, and the cross section of the X-direction sliding block is in a shape of a letter concave turning 90 degrees left. The structure of the guide rail body can ensure that the X-direction sliding block slides on the guide rail body and can prevent the X-direction sliding block from rotating.

An X-direction ball screw supporting seat is respectively arranged at the front end and the rear end on the right side of the guide rail body and close to the two ends, the X-direction ball screw is rotatably arranged between the X-direction ball screw supporting seats, the rear end of the X-direction ball screw penetrates through the X-direction ball screw supporting seat, an axially through threaded hole is formed in the X-direction sliding block, the X-direction sliding block is sleeved on the X-direction ball screw, and the X-direction sliding block moves back and forth along a sliding groove of the guide rail body under the rotation of the X.

An X-direction stepping motor is arranged at the rear end of the X-direction guide rail, and an output shaft of the X-direction stepping motor is connected with the X-direction ball screw and used for a rotation power source of the X-direction ball screw.

The Y-direction linear guide rail assembly 2 comprises a Y-direction guide rail 21, a Y-direction ball screw 22, a Y-direction stepping motor 24 and a Y-direction slider 23;

the Y-direction guide rail is fixed on the X-direction sliding block through a screw, the axis of the Y-direction guide rail is perpendicular to the axis of the X-direction guide rail, and the X-direction sliding block moves to drive the Y-direction guide rail to synchronously move.

The Y-direction guide rail comprises a Y-direction guide rail body and a Y-direction ball screw support seat which extends outwards along the side surface (right side surface) of the Y-direction guide rail body opposite to the X-direction sliding block and is close to the upper end and the lower end, and through sliding grooves are also arranged in the front and the back of the side surface and are used for positioning and sliding the Y-direction sliding block. The Y-direction sliding groove is in threaded sleeve connection with the Y-direction ball screw, a Y-direction stepping motor is arranged above the Y-direction guide rail, and an output shaft of the Y-direction stepping motor is connected with the Y-direction ball screw to drive the Y-direction ball screw to rotate and drive the Y-direction sliding block to slide up and down.

The utility model provides a position sensor is photoelectric switch, sets up on Y is to the guide rail, when Y removes a cigarette transfer chain top to the guide rail, targets in place by photoelectric switch detection to signal transmission that will target in place gives the controller, and controller control Y begins the sample to step motor action and a cigarette pickup attachment.

In the technical scheme of this application, step motor all adds establishes servo controller, and servo controller all is connected with the controller, controls X respectively to step motor and/or Y to step motor's action through the controller, realizes accurate movement control.

The cigarette pickup device comprises a connecting rod 3, a rotary cylinder 4 and a cigarette suction claw 6, wherein the upper end of the connecting rod is connected with the Y-direction sliding block, and the connecting rod is driven to move up and down under the movement of the Y-direction sliding block. The lower end of the connecting rod is provided with a rotary cylinder, the output end of the rotary cylinder is connected with a cigarette suction claw, a suction hole is formed in the cigarette suction claw and is connected with a negative pressure air source through a pipeline, an electromagnetic valve is arranged on the pipeline, and the electromagnetic valve is in electric signal connection with the controller.

Cigarette length, circumference and outward appearance detection device set up in side in cigarette pickup attachment's the migration range, in this embodiment, cigarette length, circumference and cigarette outward appearance are detected and are all measured with CCD imaging technique, select for use CCD image sensor and supporting camera lens and support, and CCD image sensor passes through R232 data transmission serial ports, and application computer programming gathers CCD image sensor signal, saves and carry out the analysis to the storage module of controller.

Be provided with the measurement basic point between cigarette pickup assembly's the below of range of movement measure basic point department and be provided with the detector, detector and controller electrical signal connection for it moves to the detection basic point to detect cigarette pickup assembly.

The application utilizes the cigarette online automatic detection system to realize the automatic sampling method of the cigarettes, and comprises the following steps:

s1, according to the indexes of the cigarettes to be detected, determining the sampling time interval of the cigarettes and determining the detection sequence of the indexes of the cigarettes to be detected. The indexes of the cigarette to be detected include, but are not limited to, the weight of the cigarette, the length of the cigarette, the circumference of the cigarette or the appearance of the cigarette.

S2, the Y-direction linear guide rail component in the cigarette moving device moves to the upper part of the cigarette conveying line along the X-direction linear guide rail component, the cigarette pickup device moves downwards to the sampling position along the Y-direction linear guide rail component, and at the moment, the cigarette suction claw of the cigarette pickup device is not contacted with the cigarette on the cigarette conveying line. The key of the technical scheme is that when sampling, the cigarette pickup device does not contact with the cigarette on the cigarette conveying line for sampling so as to avoid damage to the cigarette.

S2, opening the electromagnetic valve of the cigarette pickup device, and sucking the cigarette to the cigarette suction claw of the cigarette pickup device by using the suction force generated by the negative pressure.

S3, after the cigarette picking device ascends to a set position along the Y-direction linear guide rail assembly, the Y-direction linear guide rail assembly moves out of the upper part of the cigarette conveying line along the X-direction linear guide rail assembly, and automatic sampling of cigarettes is achieved.

In this embodiment, the detection order of the index that a cigarette needs to detect is cigarette weight, a cigarette length, a cigarette outward appearance, a cigarette circumference in proper order, when examining, carries out according to following step:

step S3, after the automatic sampling of the cigarette is finished, the steps S4 to S8 are carried out in sequence;

s4, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, and performs step S5 if the cigarette weight data is within the set range, and performs step S8 if the cigarette weight data is not within the set range.

S5, opening the electromagnetic valve, sucking the cigarettes to the cigarette suction claws of the cigarette pickup device, moving the cigarettes to the measurement base point, detecting the cigarette suction claws by the detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarettes by the CCD image sensor, feeding detection data back to the controller, analyzing by the controller, executing the step S8 if any one or two of the length of the cigarettes and the appearance of the cigarettes are not in the set range, and executing the step S6 if the length of the cigarettes and the appearance of the cigarettes are in the set range.

S6, controlling the rotary cylinder to rotate by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S7; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and step S8 is executed.

S7, the rotary cylinder resets, the controller controls the moving device to move and enables the cigarette pickup device to be located above the cigarette conveying line, the controller controls the electromagnetic valve to be closed, and the cigarettes fall back to the cigarette conveying line.

S8, the controller controls the moving device to move and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the controller controls the electromagnetic valve to be closed, and the cigarettes fall into the waste cigarette storage box.

In other embodiments of the present application, the detection sequence of the indexes to be detected of the cigarette is the cigarette weight, the cigarette length, the cigarette appearance, and the cigarette circumference in turn.

After the automatic sampling is completed in step S3, steps S14 to S18 are sequentially performed;

s14, moving the cigarette suction claw of the cigarette pickup device to a measurement base point, detecting the cigarette suction claw by a detector of the measurement base point, stopping moving the moving device, detecting the length and the appearance of the cigarette by the CCD image sensor, feeding detection data back to the controller, analyzing by the controller, executing the step S18 if any one or two of the length of the cigarette and the appearance of the cigarette are not in the set range, and executing the step S15 if the length of the cigarette and the appearance of the cigarette are in the set range;

s15, rotating the rotary cylinder by 90 degrees to ensure that the ignition end of the cigarette is opposite to the CCD image sensor, transmitting the section of the cigarette to the controller by the CCD image sensor, calculating the circumference of the cigarette, comparing the circumference with the circumference of a standard cigarette stored in the controller, if the circumference is normal, storing data and transmitting the data to the man-machine interaction system by the controller, and executing the step S16; if the perimeter is abnormal, the controller stores the data and sends an alarm signal to the human-computer interaction system, and the step S18 is executed;

s16, resetting the rotary cylinder, moving the cigarette suction claw of the cigarette pickup device to the position above the cigarette weighing device, closing the electromagnetic valve, weighing the cigarettes falling on the cigarette weighing device, and feeding the cigarette weight data back to the controller; the controller analyzes the cigarette weight data, if the cigarette weight data is in the set range, the step S17 is executed, and if the cigarette weight data is not in the set range, the step S18 is executed;

s17, moving the moving device to enable the cigarette pickup device to be located above the cigarette conveying line, closing the electromagnetic valve, and enabling the cigarettes to fall back to the cigarette conveying line;

s18, the moving device moves and enables the cigarette pickup device to move to the position above the waste cigarette storage box, the electromagnetic valve is closed, and the cigarettes fall into the waste cigarette storage box.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.