阅读说明：本技术 分拣机的摆臂速度控制方法 (Swing arm speed control method of sorting machine ) 是由 花岳东 金卫平 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种分拣机的摆臂速度控制方法,分拣机设置的摆臂板以一端为转动中心,另一端旋转摆动,摆动时可拍打邮包,从而推离邮包,摆臂板的摆臂速度分为至少三阶段,包括第一阶段高速运动、第二阶段低速运动和第三阶段高速运动,摆臂板从初始位置摆动至接近邮包的状态的位置使用第一阶段高速运动,摆臂板从接近邮包的状态的位置摆动至开始接触邮包的状态的位置使用第二阶段低速运动,摆臂板从开始接触邮包的状态的位置摆动直至将邮包推离传输带使用第三阶段高速运动。本发明在摆臂板从接近邮包的状态的位置运动至开始接触邮包的状态的位置使用较低的摆臂角速度,使得摆臂板接触邮包时撞击力量变轻,避免邮包受损。(The invention discloses a swing arm speed control method of a sorting machine, a swing arm plate arranged on the sorting machine takes one end as a rotation center, the other end rotates and swings, a mailbag can be flapped during swinging, so as to be pushed away from the mailbag, the swing arm speed of the swing arm plate is divided into at least three stages, the three stages comprise first-stage high-speed motion, second-stage low-speed motion and third-stage high-speed motion, the swing arm plate swings from an initial position to a position close to the mailbag and uses the first-stage high-speed motion, the swing arm plate swings from the position close to the mailbag to the position beginning to contact the mailbag and uses the second-stage low-speed motion, and the swing arm plate swings from the position beginning to contact the mailbag until the mailbag is pushed away from a conveying belt and uses the third-stage high-. The invention uses lower swing arm angular velocity at the position where the swing arm plate moves from the position close to the mailbag to the position beginning to contact the mailbag, so that the impact force is lightened when the swing arm plate contacts the mailbag, and the mailbag is prevented from being damaged.)

1. A swing arm speed control method of a sorting machine is characterized in that a transmission belt is arranged for transmitting mailbags, the sorting machine is arranged on one side of the transmission belt, a swing arm plate arranged on the sorting machine swings in a rotating mode with one end as a rotating center, mailbags can be flapped during the rotating swing, the mailbags are pushed away, the swing arm speed of the swing arm plate is divided into at least three stages, the three stages comprise first-stage high-speed motion, second-stage low-speed motion and third-stage high-speed motion, the swing arm plate swings from an initial state to a state close to the mailbags and uses the first-stage high-speed motion, the swing arm plate swings from the state close to the mailbags to the state beginning to contact the mailbags and uses the second-stage low-speed motion, and the swing arm plate swings from the state beginning to contact the mailbags until the mailbags are.

2. The swing arm speed control method of a sorting machine according to claim 1, wherein the state of starting to contact the mailpiece is an angle T or a distance L or a time S that the swing arm board will effectively push the mailpiece after the swing arm board rotates from the initial state until a point of the swing arm board contacts the mailpiece, the point of the swing arm board contacting the mailpiece is a contact point a, and the distance L is a distance that an end point D of the swing arm board that can rotate passes.

3. The swing arm speed control method of a sorting machine according to claim 2, wherein the determination of the state of starting to contact the mailer is achieved by providing a three-dimensional scanning device, specifically, the three-dimensional scanning device scans the length and width of the mailer and the transverse position of the mailer on the conveying belt and transmits the length information, the width information and the transverse position information to the upper computer, and the upper computer determines according to the length information, the width information, the transverse position information and the length of the swing arm plate.

4. The method of controlling swing arm speed of a sorting machine according to claim 3 wherein the determination is made by a static simulation from an upper computer.

5. The swing arm speed control method of a sorting machine according to claim 3 or 4, wherein the state of approaching the parcel is that the angle T 'or distance L' or time S 'of the swing arm board is rotated until the swing arm board leaves the initial state is 85% -90% of the angle T or distance L or time S of the state of starting to contact the parcel, and the distance L' is the distance of the rotatable end point D of the swing arm board from the initial state.

6. The method of controlling the swing arm speed of a sorter as claimed in claim 5 whereinThe speed of the first-stage high-speed motion is the angular speed d of the swing arm plate ₁，d ₁＝T/[(B-C)/S]Wherein, T is the angle through which the swing arm board effectively pushes the mailbag after the swing arm board rotates to a certain point A of the swing arm board to contact the mailbag, (B-C) is the displacement difference between the mailbag when the swing arm board starts to contact the mailbag and the mailbag when the swing arm board starts to swing, and S is the speed of the conveying belt.

7. The swing arm speed control method of a sorting machine according to claim 6, wherein the difference between the displacement of the mailer when the mailer starts to contact the status of the mailer and the displacement of the mailer when the swing arm board starts to swing is determined in such a manner that the mailer travels from the time when the swing arm board starts to swing to the displacement when the mailer comes into contact with the contact point A of the swing arm board on the transport belt.

8. The method of controlling arm swing speed of sorting machine according to claim 6, wherein the angular velocity d of the second stage low speed motion ₂Angular velocity d for high-speed motion of the first stage ₁13.89 to 41.67 percent.

9. The method of controlling arm swing speed of sorting machine according to claim 8, wherein the third stage of high speed motion has an angular velocity d ₃Angular velocity d of high-speed motion in the first stage ₁Are equal.

10. The method for controlling the swing arm speed of a sorting machine according to claim 9, wherein the speeds of the first-stage high-speed motion and the third-stage high-speed motion are both the angular speeds of the swing arm plate, and the high speed means that the specific values of the angular speeds of the swing arm plate are as follows: 1200 to 1800 degrees/second; the second stage low-speed motion is the angular velocity of swing arm board swing arm, and the low-speed is the concrete numerical value of the angular velocity of swing arm board swing arm and is: 250 to 500 degrees/second; after the swing arm board pushes the mailbag away from the conveying belt, the return angular speed of the swing arm board is as follows: 1200 to 1800 degrees/second.

11. The method of controlling the swing arm speed of a sorter according to claim 3 wherein the three-dimensional scanner is positioned above the conveyor.

12. The method for controlling the swing arm speed of a sorting machine according to claim 10, wherein the upper computer controls the driving device of the sorting machine to control the rotation speed of the swing arm plate.

Technical Field

The invention relates to a method for controlling the speed of a swing arm of a sorting machine.

Background

Traditional swing arm formula sorting machine, actuating mechanism are the swing arm board, and the swing arm board uses one end as the rotation center, and the rotatory swing of other end relies on the swing arm to pat the parcel under constant speed to push away the parcel from the transmission band, because linear motion's parcel on the belt line is to the direction of swing arm motion static relatively, so can produce a strong striking action in the twinkling of an eye at swing arm and parcel contact, cause the packing damage of parcel easily, even parcel damage, cause unnecessary loss.

Disclosure of Invention

The invention provides a method for controlling the speed of a swing arm of a sorting machine to solve the technical problems.

In order to achieve the above purpose, the invention is realized by the following technical scheme:

a swing arm speed control method of a sorting machine is characterized in that a swing arm plate arranged on the sorting machine takes one end as a rotation center, the other end of the swing arm plate swings in a rotating mode, a mailbag can be flapped during swinging, and the mailbag is pushed away.

According to one embodiment of the invention, the position of the state of starting to contact the parcel is a position where the parcel enters an area where the swing arm board can completely push out the parcel and the swing arm board is about to push the parcel.

According to one embodiment of the invention, the position of the state of starting to contact the mailer is determined by arranging a three-dimensional scanning device, specifically, the three-dimensional scanning device scans the length and the width of the mailer and the transverse position of the mailer on a conveying belt and transmits the length information, the width information and the transverse position information to an upper computer, and the upper computer determines the position of the state of starting to contact the mailer according to the length information, the width information, the transverse position information and the length of the swing arm plate.

According to one embodiment of the invention, the location of the determination of the status of initiating contact with the parcel is obtained by a static simulation of the upper computer.

According to one embodiment of the invention, the position close to the state of the parcel is 85-90% of the angle T which is passed by the swing arm plate from the initial position to the position of the state of starting to contact the parcel; or the position close to the state of the parcel is 85 to 90 percent of the distance L which is passed by the swing arm plate from the initial position to the position of the state of starting to contact the parcel; or the position close to the parcel state means 85% to 90% of the time S that elapses from the rotation of the swing arm panel from the initial position to the position in the state of starting to contact the parcel.

According to one embodiment of the invention, 85% to 90% of the angle T is 6 degrees to 6.3 degrees; 85-90% of the distance L is 0.105-0.11 m; 85-90% of the time S is 0.012-0.0125 seconds.

According to an embodiment of the present invention, the speed of the second-stage low-speed motion is (D-T)/[ (B-a)/S ] of the swing arm board, where D is the rotation angle of the swing arm board, D is obtained from the difference between the position of the state of starting to contact the parcel and the initial position of the swing arm board, B is the position of starting to contact the parcel, a is the initial position of the parcel, i.e., the position where the three-dimensional scanning device is set, S is the speed of the conveyor belt, and T is the difference between the position of the state of starting to contact the parcel and the position of the state close to the parcel.

The lateral direction in the lateral position information means a direction perpendicular to the running direction of the conveyor belt.

According to one embodiment of the present invention, the three-dimensional scanning device is disposed above the conveyor.

According to one embodiment of the invention, the upper computer controls a driving device of the sorting machine to realize the control of the angular speed of the swing arm plate.

According to one embodiment of the present invention, the speed of the first-stage high-speed motion and the third-stage high-speed motion is the angular speed of the swing arm plate, and the high speed means that the specific numerical value of the angular speed of the swing arm plate is: 1200 to 1800 degrees/second.

According to an embodiment of the present invention, the second-stage low-speed motion refers to an angular velocity of the swing arm plate, and the low-speed motion refers to a specific value of the angular velocity of the swing arm plate: 250 to 500 degrees/second.

According to one embodiment of the present invention, after the swing arm board pushes the mailbag off the conveyor belt, the return angular velocity of the swing arm board is: 1200 to 1800 degrees/second.

According to one embodiment of the invention, the three-dimensional scanning device is a three-dimensional scanner, or 3D scanner. The upper computer may be a computer.

The invention uses lower swing arm angular velocity at the position of the swing arm plate from the position close to the mailbag to the position beginning to contact the mailbag, so that the impact force is lightened when the swing arm plate contacts the mailbag, and the mailbag is prevented from being damaged. And meanwhile, higher angular speed is used in other processes to control the efficiency of the whole process. The whole process of the invention can be realized by automatic control, and the labor cost is saved.

Drawings

FIG. 1 is a schematic view of a sorter;

FIG. 2 is a schematic illustration of the area of the present invention using a first stage of high speed motion;

FIG. 3 is a schematic illustration of the area of the present invention using a second stage of high speed motion;

fig. 4 is a schematic view of the region of the present invention using the third stage of high speed motion.

Detailed Description

The invention is described in detail below with reference to the attached drawing figures: