CN215313971U - Position measuring and sorting system - Google Patents

Abstract

The application discloses a position measurement letter sorting system. The position measuring and sorting system comprises a sorting device, sorting grids, sensing pieces and a control unit. The sorting device is used for conveying goods to the sorting grids. The sorting grid comprises a supporting piece and a sliding groove connected with the supporting piece. The sensing piece is arranged on the sorting device or the sliding chute and used for measuring the position of the goods on the sliding chute and sending the position information to the control unit. The sensing piece and the sorting device are connected to the control unit electricity, when positional information is unchangeable in the preset time quantum, then show that the goods on the spout has piled up too much and takes place to block up, and the control unit control sorting device stop work prevents that sorting device from continuing to sort and causing the collision between the goods to avoid causing the damage to the goods.

Description

Position measuring and sorting system

Technical Field

The utility model relates to the field of logistics sorting, in particular to a position measuring and sorting system.

Background

In the logistics industry, express sorting is a very important link. In the sorting process, an automated sorting device is usually used to sort a plurality of goods, so that the goods are transported to a sorting grid corresponding to the sorting address of the goods, and then the goods are loaded and transported manually or by equipment. However, due to the fact that the sorting time is increased, goods on the sorting grid are piled up continuously, therefore, the goods cannot be processed timely by workers or equipment, the jam of the goods on the sorting grid can be caused, the sorting device continues to sort at the moment, the goods can be collided, and the goods can be damaged easily.

SUMMERY OF THE UTILITY MODEL

The application provides a position measurement letter sorting system to goods lead to the problem that the goods damaged easily when taking place to block up among the solution prior art on letter sorting bin.

In one aspect, the present application provides a position measurement sorting system comprising: the sorting device, the sorting grid, the sensing piece and the control unit;

the sorting device is used for conveying goods to the sorting grids;

the sorting grid comprises a supporting piece and a sliding chute connected with the supporting piece;

the sensing piece is arranged on the sorting device or the chute and used for measuring the position of the goods on the chute and sending position information to the control unit;

the control unit is electrically connected with the sensing piece and the sorting device and is used for controlling the sorting device to stop working when the position information is unchanged in a preset time period.

In some possible implementations, the sensing element is mounted on the sorting device, and a measuring direction of the sensing element is parallel to an extending direction of the chute.

In some possible implementations, the sensing piece is mounted on the sliding groove, and a measuring direction of the sensing piece is perpendicular to an extending direction of the sliding groove.

In some possible implementations, the sliding chute includes a bottom plate and two side plates connected to and disposed opposite to the bottom plate, the sensing element is mounted on the side plates, and a measurement direction of the sensing element is perpendicular to an extension direction of the bottom plate in a horizontal direction.

In some possible implementations, the number of the sorting compartments is at least two, the side plates in at least two sorting compartments are arranged in parallel, and the measuring direction of the sensing element is perpendicular to the extending direction of the bottom plate in at least two sorting compartments.

In some possible implementations, the two side plates have through holes, and the through hole in each sorting compartment is aligned with the sensing element.

In some possible implementations, the sliding chute includes a bottom plate and two side plates connected to and disposed opposite to the bottom plate, the sensing element is mounted on the bottom plate, and a measurement direction of the sensing element is perpendicular to the bottom plate.

In some possible implementations, the number of the sensing pieces is multiple, and the multiple sensing pieces are arranged along a direction perpendicular to the extending direction of the sliding chute.

In some possible implementations, the sensing element is a distance sensor or an opto-electronic switch.

In some possible implementations, the supporting member includes a frame connected to the sliding groove, and a plurality of rollers connected to the frame, and the rollers are disposed parallel to each other.

The application provides a position measurement letter sorting system includes sorting device, letter sorting bin, sensing piece and the control unit. The sorting device is used for conveying goods to the sorting grids. The sorting grid comprises a supporting piece and a sliding groove connected with the supporting piece. The sensing piece is arranged on the sorting device or the sliding chute and used for measuring the position of the goods on the sliding chute and sending the position information to the control unit. The sensing piece and the sorting device are connected to the control unit electricity, when positional information is unchangeable in the preset time quantum, then show that the goods on the spout has piled up too much and takes place to block up, and the control unit control sorting device stop work prevents that sorting device from continuing to sort and causing the collision between the goods to avoid causing the damage to the goods.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a position measurement sortation system as provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of a connection of a control unit of a position measurement sorting system provided by an embodiment of the present application;

FIG. 3 is a schematic diagram of a sorting bin of a position measuring sorting system provided by an embodiment of the present application;

FIG. 4 is a schematic view of a measurement of a sensor element of a position measurement sorting system according to an embodiment of the present application;

FIG. 5 is a schematic view of a sorting cell and sensing elements of a position measuring sorting system according to an embodiment of the present application;

FIG. 6 is a schematic view of a sorting cell of a position measuring sorting system according to another embodiment of the present application;

FIG. 7 is a schematic view of a sorting cell and sensing elements of a position measuring sorting system according to another embodiment of the present application;

FIG. 8 is a schematic view of at least two sorting bays and sensing elements of a position measuring sorting system as provided in another embodiment of the present application;

FIG. 9 is a schematic view of a sorting bin of a position measuring sorting system according to yet another embodiment of the present application;

figure 10 is a schematic view of a sorting cell and sensing elements of a position measuring sorting system according to yet another embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The position measurement sorting system can be applied to an express transfer station or a movable sorting platform (such as a sorting truck), and a sensing piece in the position measurement sorting system is installed on a sorting device or a sliding chute and used for measuring the position of goods on the sliding chute and sending position information to a control unit. The sensing piece and the sorting device are connected to the control unit electricity, when positional information is unchangeable in the preset time quantum, then show that the goods on the spout has piled up too much and takes place to block up, and the control unit control sorting device stop work prevents that sorting device from continuing to sort and causing the collision between the goods to avoid causing the damage to the goods.

Referring to fig. 1 to 10, in an embodiment of the present application, a position measuring and sorting system includes: sorting apparatus 100, sorting cells 200, and sense elements 300;

the sorting device 100 is used to transfer goods onto the sorting cells 200;

the sorting grid 200 comprises a support member 1 and a chute 2 connected with the support member 1;

the sensing member 300 is mounted on the sorting apparatus 100 or the chute 2, and is used for measuring the position of the goods on the chute 2 and sending the position information to the control unit 400;

the control unit 400 is electrically connected to the sensing element 300 and the sorting apparatus 100, and is used for controlling the sorting apparatus 100 to stop working when the position information is not changed within a preset time period.

It should be noted that the sorting device 100 can transfer the goods into the chute 2, so that the goods slide down from the chute 2 onto the support 1 for temporary storage, and then the goods are loaded and transported by a person or a device, and the chute 2 can be applied to various kinds of goods, such as boxes, fresh express or envelopes. During the goods sorting process, the sensing member 300 is mounted on the sorting apparatus 100 or the chute 2, and is used for measuring the position of the goods on the chute 2 and sending the position information to the control unit 400. Control unit 400 is connected sensing piece 300 and sorting device 100 electrically, when positional information is unchangeable in the predetermined period of time, then indicate that the goods on spout 2 has piled up too much and takes place to block up, and the goods can't slide down to support piece 1 from spout 2, and is fixed on spout 2, and control unit 400 control sorting device 100 stops working, prevents that sorting device 100 from continuing to sort and causing the collision to take place between the goods to avoid causing the damage to the goods.

In addition, since the sensing piece 300 can also measure the position of the goods during the downward sliding process of the goods, the control unit 400 controls the sorting device 100 to stop working only when the position information is unchanged within the preset time period, so that the control unit 400 can be prevented from controlling the sorting device 100 to stop working during the downward sliding process of the goods, and the sorting efficiency is prevented from being reduced. The preset time period may be specifically set according to the sliding speed of the goods in the chute 2, for example, 5 seconds, and the application is not limited herein.

In some embodiments, the control unit 400 may be a single chip or a PLC, or may be other components capable of having a control function, which is not limited herein.

In some embodiments, referring to fig. 1, the position measuring and sorting system further includes a transport 500, and the transport 500 is used for transporting the goods into the sorting apparatus 100. The conveying member 500 may be a belt conveyor, a roller conveyor or a chain conveyor, as long as it is a mechanism capable of conveying goods, and the present application is not limited herein.

In some embodiments, referring to fig. 3, 6 and 9, the supporting member 1 includes a frame 11 connected to the chute 2, and a plurality of rollers 12 connected to the frame 11, the plurality of rollers 12 are disposed in parallel with each other, the rollers 12 are unpowered rollers, and the goods can slide on the plurality of rollers 12 from the chute 2, so that the goods slides on the plurality of rollers 12 under the inertia effect, and gradually decelerates through the friction between the goods and the rollers 12 until stopping, so as to reduce the impact force applied to the goods.

In this embodiment, the chute 2 may be arranged inclined to the ground so that the goods may slide from the chute 2 onto the support 1 under the influence of gravity.

In some embodiments, referring to fig. 1-4, sensing element 300 is mounted on sorting apparatus 100, and the measuring direction of sensing element 300 is parallel to the extending direction of chute 2. The extending direction refers to the direction in which the goods slide down in the chute 2, that is, the length direction of the chute 2, the measuring direction of the sensing element 300 is parallel to the extending direction of the chute 2, so that the sensing element 300 can be triggered by the goods without being triggered by the chute 2, and the sensing element 300 is installed on the sorting device 100, so that the installation and power supply of the sensing element 300 are facilitated, and the sensing element does not interfere with the chute 2.

In this embodiment, the sensing member 300 may be an optoelectronic switch, for example, a diffuse reflection optoelectronic switch, and the diffuse transmission distance of the diffuse reflection optoelectronic switch may be adjusted to be a distance between the position of the diffuse reflection optoelectronic switch and the preset full stacking position of the chute 2, so that the diffuse reflection optoelectronic switch is triggered by the goods in the process that the goods slide down from the end of the chute 2 close to the sorting device 100 to the preset full stacking position, and is not triggered by the goods on the supporting member 1, after the diffuse reflection optoelectronic switch is triggered, it can be known that the goods slide down, the position information may be a trigger signal of the diffuse reflection optoelectronic switch, and when the trigger signal exists all the time within a preset time period, it indicates that the goods on the chute 2 are stacked too much and are jammed, and the goods cannot slide down from the chute 2 to the supporting member 1.

In addition, the preset fully-stacked position may be a middle position of the chute 2 or an edge position close to the support 1, and the application is not limited herein.

In this embodiment, sense element 300 may also be a distance sensor, such as a laser distance sensor, an ultrasonic distance sensor, or an infrared distance sensor. The distance sensor can be triggered by the goods on the sliding chute 2, the distance between the goods and the sensing piece 300 is measured after the triggering, the position information can be the distance value between the goods and the sensing piece 300, and when the distance value is constant in a preset time period, the situation that the goods on the sliding chute 2 are piled up too much and are blocked is indicated, and the goods cannot slide down from the sliding chute 2 to the supporting piece 1.

In addition, the control unit 400 controls the sorting apparatus 100 to stop operating when the distance value is not changed within the preset time period and is smaller than the preset distance threshold. The preset distance threshold is the distance between the position of the distance sensor and the preset full-stacking position of the chute 2, so that the accuracy of the control unit 400 in judging the jam of the goods on the chute 2 can be improved, the control unit 400 is prevented from controlling the sorting device 100 to stop working when the goods are not jammed, and the sorting efficiency is prevented from being reduced.

In this embodiment, referring to FIG. 5, a plurality of sensor elements 300 may be provided, and a plurality of sensor elements 300 may be arranged in a direction perpendicular to the extending direction of the chute 2, i.e., in the width direction of the chute 2, so as to increase the measuring range and ensure that at least one sensor element 300 can measure the position of the cargo on the chute 2.

In this embodiment, sorting apparatus 100 may comprise a carrier 101 and a sorting element 102 coupled to carrier 101, with sensing element 300 mounted to carrier 101. The sorting member 102 may be a cross belt sorting apparatus 100, a conveyor belt sorting apparatus 100, or a push arm sorting apparatus 100, or may be a robot with a combination of a robot arm and an end effector, which is not limited herein.

In some embodiments, referring to fig. 6-8, sensor 300 is mounted on chute 2, and the measurement direction of sensor 300 is perpendicular to the extending direction of chute 2. The extending direction refers to the direction in which the goods slide down in the sliding chute 2, that is, the length direction of the sliding chute 2, when the length of the sliding chute 2 is greater than the effective range of the sensing piece 300, the sensing piece 300 is installed on the sliding chute 2, and the measuring direction of the sensing piece 300 is perpendicular to the extending direction of the sliding chute 2, that is, the measuring direction of the sensing piece 300 is parallel to the width direction of the sliding chute 2, the width of the sliding chute 2 is correspondingly set according to the size of the goods, and is not greater than the effective range of the sensing piece 300, thereby ensuring that the sensing piece 300 can measure the position of the goods on the sliding chute 2, and is not interfered by the goods on the supporting piece 1.

In this embodiment, referring to fig. 6 to 8, the chute 2 includes a bottom plate 21 and two side plates 22 connected to and opposite to the bottom plate 21, the sensing element 300 is mounted on the side plates 22, and the measuring direction of the sensing element 300 is perpendicular to the extending direction of the bottom plate 21 in the horizontal direction. That is, the measuring direction of the sensing element 300 is perpendicular to the length direction of the bottom plate 21 in the horizontal direction and parallel to the width direction of the bottom plate 21, which is beneficial for the effective measuring range of the sensing element 300 to cover the bottom plate 21 along the width direction of the bottom plate 21, thereby ensuring that the sensing element 300 can measure the position of the cargo on the chute 2.

Further, sensing element 300 may be an opto-electronic switch, such as a diffusely reflecting opto-electronic switch, or a distance sensor, such as a laser distance sensor, an ultrasonic distance sensor, or an infrared distance sensor.

In this embodiment, referring to fig. 8, the number of sorting compartments 200 is at least two, the side panels 22 of at least two sorting compartments 200 are arranged in parallel, and the measuring direction of the sensor element 300 is perpendicular to the extending direction of the bottom panel 21 of at least two sorting compartments 200. I.e., at least two sorting compartments 200 are arranged side by side, the effective range of sensing element 300 can cover the bottom plate 21 of at least two sorting compartments 200 along the width direction of the bottom plate 21, so that sensing element 300 can measure the position of the goods on the chute 2 of at least two sorting compartments 200, thereby saving cost.

Further, to ensure that the control unit 400 is able to determine the location of the sorting cell 200 where the cargo has become jammed. Sensing element 300 is a distance sensor that measures the distance between the load and sensing element 300 after activation, and control unit 400 determines the location of sorting cell 200 where the load is jammed based on the distance measured by the distance sensor. For example, two sorting cells 200 are provided, each sorting cell 200 having the same width and being W, and sensor element 300 is positioned on the first sorting cell 200, and when the measured distance is 0-W and does not change within the predetermined time period, it is determined that the first sorting cell 200 is jammed, and when the measured distance is W-2W and does not change within the predetermined time period, it is determined that the second sorting cell 200 is jammed.

In this embodiment, referring to fig. 6-8, both side panels 22 have through holes 221, and the through holes 221 in each sorting compartment 200 are aligned with the sensing element 300, so that the effective range of the sensing element 300 can cover at least two sorting compartments 200 without being triggered by the side panels 22, and the sensing element 300 can measure the position of the goods on the chute 2 of at least two sorting compartments 200.

In other embodiments, side panel 22 may not have through-hole 221, and instead, sensing element 300 may be mounted on a side of side panel 22 that is distal from bottom panel 21.

In some embodiments, referring to fig. 9 and 10, the chute 2 includes a bottom plate 21 and two side plates 22 connected to and opposite to the bottom plate 21, the sensing element 300 is mounted on the bottom plate 21, and the measuring direction of the sensing element 300 is perpendicular to the bottom plate 21. That is, the sensing piece 300 can be directly installed at the preset full position on the bottom plate 21, when the thickness of the cargo is small, for example, the cargo is an envelope, and the sensing piece 300 is installed on the side plate 22, and thus the envelope is difficult to sense and cannot be triggered by the envelope, therefore, the sensing piece 300 is directly installed at the preset full position on the bottom plate 21, and the envelope can be sensed accurately when the sensing piece is measured upwards from the direction perpendicular to the bottom plate 21, so that the sensing piece 300 can be triggered by the cargo passing through the preset full position, and the sensing piece 300 can be enabled to measure the position of the cargo on the chute 2.

In this embodiment, a receiving slot may be formed in the bottom plate 21, and the sensing element 300 is mounted in the receiving slot, and the sensing element 300 does not protrude outside the receiving slot, so as to prevent the sensing element 300 from interfering with the sliding of the cargo.

Further, sense element 300 may diffusely reflect photoelectric switches, and may also be a distance sensor. The distance sensor can be a laser distance sensor, an ultrasonic distance sensor or an infrared distance sensor, and can be triggered by goods passing through a preset full-piling position.

In this embodiment, referring to fig. 9 and 10, a plurality of sensor elements 300 are provided, and a plurality of sensor elements 300 are arranged in a direction perpendicular to the extending direction of the chute 2, i.e., in the width direction of the bottom plate 21, so as to increase the measuring range and ensure that at least one sensor element 300 can measure the position of the cargo on the chute 2.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.

In a specific implementation, each component or structure may be implemented as an independent entity, or may be combined arbitrarily and implemented as one or several entities, and the specific implementation of each component or structure may refer to the foregoing embodiments, which are not described herein again.

The position measuring and sorting system provided by the embodiment of the utility model is described in detail above, and the principle and the embodiment of the utility model are explained in the present document by applying a specific example, and the description of the above embodiment is only used to help understanding the method and the core idea of the utility model; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A position measuring sortation system, comprising: the sorting device, the sorting grid, the sensing piece and the control unit;

the sorting device is used for conveying goods to the sorting grids;

the sorting grid comprises a supporting piece and a sliding chute connected with the supporting piece;

the sensing piece is arranged on the sorting device or the chute and used for measuring the position of the goods on the chute and sending position information to the control unit;

the control unit is electrically connected with the sensing piece and the sorting device and is used for controlling the sorting device to stop working when the position information is unchanged in a preset time period.

2. The position measuring sorting system according to claim 1, wherein the sensing elements are mounted on the sorting device, and a measuring direction of the sensing elements is parallel to an extending direction of the chute.

3. The position measuring sorting system according to claim 1, wherein the sensing member is mounted on the chute, and a measuring direction of the sensing member is perpendicular to an extending direction of the chute.

4. The position measuring and sorting system according to claim 3, wherein the chute includes a bottom plate and two side plates connected to and opposed to the bottom plate, the sensing member being mounted on the side plates, a measuring direction of the sensing member being perpendicular to an extending direction of the bottom plate in a horizontal direction.

5. The position measuring sorter system of claim 4 wherein said sorting bays are at least two in number, said side panels in at least two of said sorting bays being arranged in parallel, said sensing elements having a measuring direction perpendicular to a direction of extension of said bottom panels in at least two of said sorting bays.

6. The position measuring and sorting system according to claim 5, wherein the two side plates each have a through hole therein, and the through hole in each sorting compartment is aligned with the sensing element.

7. The position measuring and sorting system according to claim 3, wherein the chute includes a bottom plate and two side plates connected to and opposed to the bottom plate, the sensing member is mounted on the bottom plate, and a measuring direction of the sensing member is perpendicular to the bottom plate.

8. The position measuring and sorting system according to claim 2 or 7, wherein the number of the sensing pieces is plural, and the plural sensing pieces are arranged in a direction perpendicular to an extending direction of the chute.

9. The position measuring sortation system as claimed in any of claims 1 to 7, wherein said sensing element is a distance sensor or an opto-electronic switch.

10. The position measuring sorting system according to any one of claims 1 to 7, wherein the support member includes a frame connected to the chute, and a plurality of rollers connected to the frame, the plurality of rollers being arranged in parallel with each other.

Images