CN215278582U - Based on position tracking sorting device - Google Patents
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- CN215278582U CN215278582U CN202022564456.4U CN202022564456U CN215278582U CN 215278582 U CN215278582 U CN 215278582U CN 202022564456 U CN202022564456 U CN 202022564456U CN 215278582 U CN215278582 U CN 215278582U
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Abstract
The utility model discloses a sorting device based on position tracking, which comprises an encoder, a sorting device and a control device, wherein the encoder is connected to a driven shaft at the tail end of a conveyor driving a main line to move and is used for recording the position of materials transported on the main line; the material detection sensors are arranged at the main line inlet, the two material detection sensors are respectively arranged along the main line transportation direction, and the distance between the two material detection sensors is smaller than the preset distance; the two groups of material detection sensors are used for assisting the encoder to determine the position of the material; and the actuating mechanism is arranged at the crossing of the branch line and the main line, and drives the materials to the sorting branch line when the materials are transported to the crossing. The utility model discloses avoided the material to detect the problem that the malfunction of sensor itself leads to material letter sorting mistake.
Description
Technical Field
The utility model relates to a commodity circulation transportation technical field especially relates to a based on position tracking sorting device.
Background
In recent years, with the rapid advance of the e-commerce and express industry, the market demand of automatic conveying and sorting equipment serving as one of the core equipment of the logistics system is greatly increased, and the efficiency and the accuracy of material sorting are greatly improved. In general, an automated sortation conveyor system is comprised of: a material detection sensor (usually a photoelectric switch), a shunt actuating mechanism (a balance wheel, a swing arm, a transfer machine and the like), a controller (a PLC and a MCU), an alarm indicator light, a safety device (an emergency stop button, an emergency stop pull rope and the like); some systems also include video surveillance systems. Generally, when the materials run to the corresponding sorting branch road junction, the controller judges that the materials reach the branch road junction according to the change of the signals of the material detection sensors, and the actuating mechanism acts to sort the materials into the branch road junction.
However, in the existing automatic sorting and conveying system, the material detection sensor signal is generally adopted to mark the material arrival road junction, when some systems are provided with dozens or even dozens of road junctions, the adoption of the method can cause the problems of complex construction and easy error, and in the operation process of equipment, if the material detection sensor malfunctions or an upstream execution mechanism is abnormal, the material is not sorted into an upstream road junction, the material still left on a main line can influence the downstream task to generate information disorder, thereby causing the problem of material sorting error.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a based on position tracking sorting device to avoid material detection sensor malfunction itself, or have upstream actuating mechanism to take place unusually to lead to the material not to be sorted to the upper reaches say intraoral time, the material that still stays on the thread can influence the low reaches task and take place the information in disorder, thereby leads to the problem of material letter sorting mistake.
In order to achieve the above object, the utility model provides a based on position tracking sorting device, the device includes
The encoder is connected to a driven shaft at the tail end of the conveyor driving the main line to move and used for recording the position of the material transported on the main line;
the material detection sensors are arranged at the main line inlet, and are respectively marked as a material detection sensor A and a material detection sensor B according to the main line transportation direction, and the distance between the material detection sensor A and the material detection sensor B is smaller than the preset distance; the two groups of material detection sensors are used for assisting the encoder to determine the position of the material;
the actuating mechanism is arranged at the crossing of the branch line and the main line, and drives the materials to the sorting branch line when the materials are transported to the crossing.
Optionally, the encoder is fixed on the flexible support, and the encoder is connected with the driven shaft through a coupler; the encoder is an incremental encoder.
Optionally, the material detection sensor a and the material detection sensor B are both a pair of correlation type photoelectric sensors.
Optionally, the preset distance is 140-160 mm.
Optionally, the actuating mechanism is a shift lever or a swing wheel set.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a based on position tracking sorting device only goes out at the thread entry and sets up two sets of material detection sensor to set up the encoder on the driven shaft of the conveyer tail end of thread, treat the real-time position of letter sorting material on triggering and each main line of encoder data record through the material detection sensor, any position on the thread can all be recorded through the encoder moreover, consequently the technical scheme of the utility model need not to install the material detection sensor at letter sorting road junction, has overcome among the prior art because the material detects the malfunction that the sensor leads to by circumstances such as site environment pollution, or the unusual material and the messy problem of information that leads to of actuating mechanism.
The double-material detection sensor additionally arranged at the entrance of the main line can effectively identify materials, and if misoperation occurs, the double-material detection sensor can also detect and alarm in time; the size of the material to be sorted can be identified through the double-material detection sensors, so that the actuating mechanism can be driven to act in time according to different sizes of the material, the distance between the material and the thread can be closer, the bearing capacity of the thread material is increased, and sorting efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the installation position of the encoder of the present invention;
FIG. 2 is a schematic view of the structure of the mounting position of the material detecting sensor in the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of an actuator according to the present invention;
FIG. 4 is a schematic structural diagram of another embodiment of an actuator according to the present invention;
fig. 5 is a flowchart of the sorting method based on position tracking according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 4, the present embodiment provides a position tracking-based sorting apparatus including an encoder 1, at least two sets of material detection sensors, and an actuator 4.
As shown in fig. 1, the encoder 1 is connected to a driven shaft 52 at the tail end of a conveyor 51 driving the main line 5 to move, and is used for recording the position of the material transported on the main line 5.
The encoder 1 is fixed on a flexible support 11, and the encoder 1 is connected with the driven shaft 52 through a coupler 12; the encoder 1 is an incremental encoder.
The at least two groups of material detection sensors are arranged at the main line inlet and are respectively marked as a material detection sensor A2 and a material detection sensor B3 according to the main line 5 transportation direction, the distance between the material detection sensor A2 and the material detection sensor B3 is smaller than a preset distance, and the preset distance is 140-160 mm; the two sets of material detection sensors are used to assist the encoder 1 in determining the position of the material. In this embodiment, this material detection sensor A and material detection sensor B are a pair of correlation formula photoelectric sensor, certainly can also be the sensor that other materials detected, as long as can realize that the sensor that the material detected can all be applied to the utility model discloses in, and all be in the utility model discloses a protection scope. When the main line runs, the triggering and stopping of the two groups of material detection sensors must strictly follow the sequence of the material detection sensor A and the material detection sensor B, the triggering and stopping interval time must be controlled within a specific time (usually 300ms), and the triggering which does not meet the above conditions will give an alarm to prompt personnel to check.
As an alternative embodiment, the object detection sensors may also be 3 or more than 3 groups. As long as the identification of the position of the material can be achieved.
The actuating mechanism 4 is arranged at the crossing of the branch line 6 and the main line 5, and when materials are transported to the crossing, the actuating mechanism 4 drives the materials to the sorting branch line 6. As shown in fig. 3 and 4, the actuator 4 is a lever or a swing wheel set.
As shown in fig. 5, this embodiment further provides a location-based tracking sorting method, which is implemented by applying the location-based tracking sorting apparatus described above, and the method includes:
step 101: when a material to be sorted triggers a material detection sensor B, acquiring the current position of the material to be sorted;
in the embodiment, an incremental encoder is additionally arranged on a driven shaft at the tail end of a mainline conveyor, a PLC high-speed counting module is used for recording the pulse number of the encoder as a current value, the current value of the high-speed counting module is detected every period through a PLC program to calculate the increment of the encoder, when materials sequentially trigger a material detection sensor A and a material detection sensor B, and when the materials trigger the material detection sensor B, the whole group of task data of the materials is written into a mainline task information table, and the current position of the materials is recorded; the whole set of task data is an encoder data set from the encoder data when the material detection sensor A is triggered to the encoder data when the material detection sensor B is triggered; and recording the current position of the material as 0, namely the initial position of the material.
Step 102: determining the length of the material to be sorted according to the increment of an encoder during the period from the time when the material to be sorted triggers the material detection sensor B to the time when the material to be sorted is separated from the material detection sensor B;
and (3) beginning to count the length of the material, if the material is separated from the double sensors at the main line inlet end according to the sequence A-B, when the material triggers the material detection sensor B, recording that the length of the material is 0, before the material is separated from the material detection sensor B, the length of the material is up-period accumulated, namely the length of the material MaterLen + the Increment of the periodic encoder, namely ENC _ Increment, after the material is separated from the material detection sensor B, the length of the material is not accumulated any more, and counting the total length of the material. The material length information is written into the mainline task information table along with the writing, and the position field in the mainline task information table is accumulated along with the running of the equipment.
Step 103: updating the real-time position of the material to be sorted according to the increment of the real-time encoder;
and updating the real-time position of the material according to the calculated encoder Increment in each period, wherein the real-time position ActPos is the current position PrePos of the upper period and the encoder Increment ENC _ Increment of the period.
Step 104: and judging whether the real-time position of the material to be sorted is located in the position interval of the sorting road junction, if so, driving an actuating mechanism to start acting, and sorting the material to be sorted to a branch line.
When the material position moves to the sorting crossing, namely the real-time position ActPos > sets a lower limit value PortPos _ Preset _ Min for the position of the target crossing, and the current position ActPos < (the position of the target crossing sets an upper limit value PortPos _ Preset _ Max, the driving executing mechanism starts to act, and when the current position ActPos > the position of the sorting crossing to be sorted sets an upper limit value PortPos _ Preset _ Max + material length Materlen, the driving executing mechanism returns to the original position.
Because the materials to be sorted on the main line are judged by the positions recorded by the encoders, the space for detecting the photoelectric sensor is not required to be reserved, so that the distance between the main line materials at the same conveying speed can be closer, and the total efficiency of sorting the main line is improved.
In the present specification, the emphasis points of the embodiments are different from those of the other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. A sorting device based on position tracking is characterized in that the device comprises
The encoder is connected to a driven shaft at the tail end of the conveyor driving the main line to move and used for recording the position of the material transported on the main line;
the material detection sensors are arranged at the main line inlet, and are respectively marked as a material detection sensor A and a material detection sensor B according to the main line transportation direction, and the distance between the material detection sensor A and the material detection sensor B is smaller than the preset distance; the two groups of material detection sensors are used for assisting the encoder to determine the position of the material;
the actuating mechanism is arranged at the crossing of the branch line and the main line, and drives the materials to the sorting branch line when the materials are transported to the crossing.
2. The sorting device based on position tracking according to claim 1, wherein the encoder is fixed on a flexible support, and the encoder is connected with the driven shaft through a coupling; the encoder is an incremental encoder.
3. The sorting device based on position tracking according to claim 1, wherein the material detecting sensor A and the material detecting sensor B are both a pair of correlation type photoelectric sensors.
4. The location-based tracking and sorting apparatus as claimed in claim 1, wherein the predetermined distance is 140 mm and 160 mm.
5. The location-based tracking sorter according to claim 1 wherein the actuator is a toggle or oscillating wheel set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022564456.4U CN215278582U (en) | 2020-11-09 | 2020-11-09 | Based on position tracking sorting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022564456.4U CN215278582U (en) | 2020-11-09 | 2020-11-09 | Based on position tracking sorting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215278582U true CN215278582U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022564456.4U Active CN215278582U (en) | 2020-11-09 | 2020-11-09 | Based on position tracking sorting device |
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| Country | Link |
|---|---|
| CN (1) | CN215278582U (en) |
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- 2020-11-09 CN CN202022564456.4U patent/CN215278582U/en active Active
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