CN111530758A

CN111530758A - Sorting trolley tray unloading device, sorting trolley and sorting system

Info

Publication number: CN111530758A
Application number: CN202010502017.2A
Authority: CN
Inventors: 代铁山; 李志强; 金保华; 李存禹; 甄青坡
Original assignee: CHINA POST SCIENCE AND TECHNOLOGY CO LTD
Current assignee: CHINA POST SCIENCE AND TECHNOLOGY CO LTD
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-08-14

Abstract

The invention relates to the technical field of article sorting and discloses a sorting trolley tray unloading device, a sorting trolley and a sorting system, wherein the sorting trolley tray unloading device comprises a bearing deflector rod, a frame body which is rotationally connected with the sorting trolley, and at least two trigger tracks which are arranged on the frame body; the trigger piece can be movably matched with one of the trigger rails to separate the bearing deflector rod from the tray; different trigger tracks have different starting moments for the moving engagement of the trigger piece. The invention arranges at least two trigger rails on the bearing deflector rod, and makes the starting time of the movement matching of different trigger rails and the trigger piece different; the height of the trigger piece is adjusted according to the running speed of the sorting trolley, so that in the process of advancing the sorting trolley on the sorting track, the trigger piece is in movable fit with the corresponding trigger track to drive the bearing deflector rod to rotate to separate the bearing deflector rod from the tray, unloading of articles on the tray is realized, and the problems of inconsistent article drop points and inaccurate drop points when the sorting trolley runs at different speeds are solved.

Description

Sorting trolley tray unloading device, sorting trolley and sorting system

Technical Field

The invention relates to the technical field of article sorting, in particular to a sorting trolley tray unloading device, a sorting trolley and a sorting system.

Background

The grid sorting system that falls adopts the letter sorting dolly that has to formula tray or single-open door formula tray, to set up the letter sorting dolly of supporting mechanism in order to support the tray below the tray, adopt the uninstallation mechanism to trigger supporting mechanism usually to make supporting mechanism and tray separation, the tray is after losing supporting mechanism's supporting role, will be relative to the carriage body downswing of letter sorting dolly under the action of gravity of self gravity and article on it, thereby make article drop, realize the uninstallation of article.

The sorting trolley of the falling-grid sorting system has multi-gear speed, and the sorting running speed is adjusted according to the quantity of sorted articles and the timeliness requirement. Because the unloading mechanism is fixedly arranged on the frame of the sorting system, namely the position of the unloading mechanism can not be changed, the time for the unloading mechanism to trigger the supporting mechanism to separate the supporting mechanism from the tray can not be changed. When the speed difference between different gears is large, the initial speed difference of the object doing the parabolic motion is large, and the falling point positions of the object are different due to the fact that the triggering time point is unchanged, and the sorting error of the object is easily caused.

Disclosure of Invention

The invention aims to provide a sorting trolley tray unloading device, a sorting trolley and a sorting system, which can be suitable for sorting trolleys with different running speeds and can ensure the correct rate of sorting articles.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sorting cart tray unloading apparatus comprising:

the bearing deflector rod is rotatably connected to a frame body of the sorting trolley and used for supporting the tray of the sorting trolley to enable the tray to be in a bearing state, and at least two trigger tracks are arranged on the bearing deflector rod;

the trigger piece can be movably matched with one of the trigger rails to separate the bearing deflector rod from the tray; different starting moments of the trigger tracks and the trigger pieces in moving fit are different.

As an optimal technical scheme of the sorting trolley tray unloading device, the triggering piece is a roller.

As a preferable technical scheme of the sorting trolley tray unloading device, the sorting trolley tray unloading device further comprises a trigger drive, the trigger drive is rotationally connected to the trigger piece, and the trigger drive can drive the trigger piece to lift.

As an optimal technical scheme of the sorting trolley tray unloading device, the sorting trolley tray unloading device further comprises an elastic reset piece, and the elastic reset piece can enable the bearing deflector rod to rotate relative to the trolley frame body to a position below the tray in a bearing state so as to support the tray.

As an optimized technical scheme of the sorting trolley tray unloading device, the sorting trolley tray unloading device further comprises:

and one end of the lock hook is rotatably connected to the frame body, and the other end of the lock hook can be inserted into the bearing deflector rod so that the bearing deflector rod and the tray can be kept in a separated state.

As an optimal technical scheme of the sorting trolley tray unloading device, one end of the lock hook is provided with a hook part, and one end of the bearing deflector rod is provided with a hook groove for hooking the hook part.

As a preferable technical solution of the above sorting trolley tray unloading device, the latch hook is provided with a triggering portion, and the triggering portion is located above the tray and can abut against the tray.

The invention also provides a sorting trolley which comprises a trolley frame body, a tray rotationally connected to the trolley frame body and the sorting trolley tray unloading device.

As an optimal technical scheme of the sorting trolley, the edge of the tray is provided with a flanging.

The invention also provides a sorting system which comprises the sorting trolley.

The invention has the beneficial effects that: the bearing deflector rod is provided with at least two trigger rails, and the starting time of the movement matching of different trigger rails and the trigger piece is different; the height of the trigger piece is adjusted according to the running speed of the sorting trolley, so that in the process of advancing the sorting trolley on the sorting track, the trigger piece is matched with the corresponding trigger track in a moving mode, the bearing deflector rod is driven to rotate relative to the frame body, the bearing deflector rod is separated from the tray, unloading of objects on the tray is achieved, the objects drop at accurate positions, and the problems that when the sorting trolley runs at different speeds, the object drop points are inconsistent and the drop points are inaccurate are solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a schematic view of a partial structure of a sorting trolley provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a supporting deflector rod according to an embodiment of the present invention;

3-6 are state diagrams of a sorting cart unloading process provided by an embodiment of the present invention;

fig. 7 to 9 are state diagrams of the process of matching the trigger rail with the trigger piece in the unloading process of the sorting trolley provided by the embodiment of the invention.

In the figure:

11. a frame body; 12. a tray; 13. flanging;

21. supporting a deflector rod; 211. triggering the track; 212. a hooking groove; 22. a trigger; 23. triggering the drive;

3. a latch hook; 31. a hook portion; 32. a trigger part.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

As shown in fig. 1, the present embodiment provides a sorting trolley tray unloading device, a sorting trolley and a sorting system, wherein the sorting trolley tray unloading device comprises a bearing deflector rod 21 and a trigger 22, the sorting system comprises a plurality of sorting trolleys and sorting rails, and the sorting trolleys are connected end to end and can walk on the sorting rails. Each sorting trolley comprises a tray 12 and a trolley frame body 11 provided with an unloading opening, the tray 12 is rotatably connected to the trolley frame body 11 to open or close the unloading opening, and the tray 12 can support objects when in a bearing state. Taking the sorting trolley with the side-by-side trays 12 as an example, the present embodiment rotates two trays 12 in a loading state by a certain angle relative to the frame body 11 through the sorting trolley tray unloading device to open the unloading opening, so that the articles supported by the trays 12 fall from the current unloading opening.

As shown in fig. 1 and 2, the above-mentioned tray unloading device of the sorting trolley comprises a supporting shift lever 21 and a trigger 22, wherein the supporting shift lever 21 is rotatably connected to the frame body 11 of the sorting trolley for supporting the tray 12 of the sorting trolley to make the tray 12 in a loaded state. Preferably, the support lever 21 can directly support the lower surface of the tray 12. In other embodiments, an extension may be provided on the tray 12, and the extension may be supported by the support lever 21, so as to maintain the tray 12 in a loaded state. Preferably, a roller is disposed at one end of the support lever 21 for supporting the tray 12, and the roller is rotatably connected to the support lever 21 to reduce friction between the support lever 21 and the tray 12. In other embodiments, the roller can also be fixed relative to the support lever 21, but the friction between the support lever 21 and the tray 12 is relatively high.

At least two trigger rails 211 are arranged on the bearing deflector rod 21, and the trigger 22 can be movably matched with one trigger rail 211 to separate the bearing deflector rod 21 from the tray 12; different trigger tracks 211 have different starting moments for the moving engagement of the trigger 22. In the present embodiment, two trigger rails 211 are provided on the support lever 21 as an example.

In the embodiment, at least two trigger rails 211 are arranged on the bearing deflector rod 21, and the starting time of the movement matching between different trigger rails 211 and the trigger 22 is different; the height of trigger 22 is adjusted according to the functioning speed of letter sorting dolly to the in-process that makes letter sorting dolly go forward on letter sorting track, trigger 22 and the cooperation of the track 211 removal that triggers that corresponds, thereby drive bearing driving lever 21 and rotate for car frame body 11, make bearing driving lever 21 and tray 12 separate, realize the uninstallation of article on the tray 12, and make article drop in accurate position, the accuracy when the tray 12 that has improved the letter sorting dolly unloads.

In this embodiment, the triggering member 22 is a rotatable roller, the sorting trolley tray unloading device further includes a triggering drive 23, and the triggering drive 23 may be a linear drive structure such as an air cylinder, an oil cylinder, an electric push rod, and the like. The movable end of the trigger actuator 23 is rotatably connected to the trigger 22, and the trigger actuator 23 drives the trigger 22 to move up and down so that the trigger 22 is movably engaged with one of the trigger rails 211. In other embodiments, the triggering member 22 may be a specific curve matched with the movement of the tray 12, and is not limited in detail. The trigger actuator 23 is not limited to driving the trigger 22 to move up and down to engage with different trigger tracks 211, and the trigger 22 may be moved to engage with different trigger tracks 211 by other means, which is not limited in detail here.

In this embodiment, the triggering driver 23 can also adjust the height of the triggering member 22 so that the triggering member 22 does not contact with the triggering rail 211, that is, when the sorting cart travels past the position of the triggering driver 23, the supporting shift lever 21 does not move, the tray 12 continues to be supported, and the tray 12 is not unloaded.

Further, after the tray 12 is unloaded, the tray 12 needs to restore the loading state for the next loading. The tray 12 that is restored to the loaded state needs to be supported by the bearing deflector rod 21, so the above sorting trolley tray unloading device further comprises an elastic restoring member that enables the bearing deflector rod 21 separated from the latch hook 3 to rotate with respect to the carriage body 11 to support the tray 12 in the loaded state. In other embodiments, the elastic reset element may be a tension spring, one end of the tension spring is connected to one end of the bearing shift lever 21, and the other end of the tension spring is connected to the frame body 11, so that when the tray 12 is about to restore the bearing state, the tension spring will pull the bearing shift lever 21 to rotate relative to the frame body 11, so that the bearing shift lever 21 rotates to a position below the tray 12 in the bearing state to support the tray 12.

Further, because along with the letter sorting dolly moves ahead on the letter sorting track, trigger 22 will break away from trigger track 211 gradually, in order to avoid bearing driving lever 21 to rotate so that influence the whereabouts of article for car frame body 11 under the effect of elasticity piece that resets, above-mentioned letter sorting dolly tray uninstallation device still includes latch hook 3, the one end of latch hook 3 is rotated and is connected in car frame body 11, the other end can be pegged graft with bearing driving lever 21 so that bearing driving lever 21 and tray 12 keep the detached state, realize that trigger 22 breaks away from behind the trigger track 211 bearing driving lever 21 and still is in the state of separating with tray 12.

Specifically, the latch hook 3 is provided with a trigger portion 32, and the trigger portion 32 is located above the tray 12 and can abut against the tray 12. When the tray 12 is in the loaded state, the trigger 32 is supported by the tray 12. Wherein, the edge of the tray 12 is provided with a flange 13, the trigger part 32 is positioned above the flange 13, and the flange 13 supports the trigger part 32 when the tray 12 is in a bearing state.

The support deflector rod 21 is located below the frame body 11, one end of the latch hook 3 is provided with a hooking portion 31, and one end of the support deflector rod 21 is provided with a hooking groove 212 for hooking the hooking portion 31. After the trigger 22 contacts the trigger rail 211 on the support lever 21, since the tray 12 swings downward under the action of its own gravity and the gravity of the articles thereon, the trigger portion 32 on the latch hook 3 will be separated from the tray 12, and the latch hook 3 loses the supporting action of the tray 12 and rotates relative to the frame body 11, so that the hook portion 31 on the latch hook 3 is inserted into the hook slot 212 on the support lever 21, and the latch hook 3 blocks the support lever 21 from rotating relative to the frame body 11 under the action of the elastic reset member.

As shown in fig. 3 to 9, the arrow direction in fig. 3 to 9 indicates the forward direction of the sorting cart, and the operation of the tray unloading device of the sorting cart provided in this embodiment is as follows:

the height of the triggering piece 22 is adjusted by means of the triggering drive 23 in such a way that the triggering piece 22 can be brought into a moving fit with the corresponding triggering track 211, depending on the current running speed of the sorting trolley.

When the sorting trolley travels to the position of the trigger 22, the trigger 22 will contact with the trigger rail 211, and along with the travel of the sorting trolley, the trigger 22 will slide along the trigger rail 211, and the bearing shift lever 21 will rotate relative to the frame body 11, so that the bearing shift lever 21 is separated from the tray 12; the tray 12 loses the support of the bearing deflector rod 21 and can swing downwards under the action of the gravity of the tray and the gravity of articles on the tray, the latch hook 3 is separated from the flanging 13 on the tray 12, the support of the flanging 13 is lost, and the latch hook 3 also swings downwards relative to the frame body 11, so that the hook part 31 of the latch hook 3 is clamped into the hook groove 212 on the bearing deflector rod 21; as the sorting trolley travels, the triggering member 22 will be separated from the triggering track 211, and the support lever 21 will be kept in the current state under the action of the locking hook 3, so as to facilitate the unloading of the articles on the tray 12, and at the same time, avoid the interference of the support lever 21 on the reset of the unloaded tray 12.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships 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 construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A sorting trolley tray unloading device is characterized by comprising:

the bearing deflector rod (21) is rotatably connected to a frame body (11) of the sorting trolley and is used for supporting a tray (12) of the sorting trolley to enable the tray (12) to be in a bearing state, and at least two trigger tracks (211) are arranged on the bearing deflector rod (21);

a trigger (22), wherein the trigger (22) can be lifted to be movably matched with one trigger rail (211) to separate the bearing deflector rod (21) from the tray (12); the different triggering tracks (211) have different starting moments of the moving fit with the triggering piece (22).

2. Sorting trolley tray unloading device according to claim 1, characterized in that the triggering element (22) is a roller.

3. Sorting trolley tray unloading device according to claim 1, characterized in that it further comprises a triggering drive (23) which is rotationally connected to the triggering member (22), the triggering drive (23) being able to drive the triggering member (22) up and down.

4. Sorting trolley tray unloading device according to claim 1, characterized in that it also comprises elastic return means able to rotate the carrying lever (21) with respect to the carriage body (11) under the tray (12) in the loaded condition to support the tray (12).

5. The sorting cart tray unloading apparatus of claim 1, further comprising:

and one end of the locking hook (3) is rotatably connected to the frame body (11), and the other end of the locking hook can be inserted into the bearing deflector rod (21) so as to enable the bearing deflector rod (21) and the tray (12) to be kept in a separated state.

6. Sorting trolley tray unloading device according to claim 5, characterized in that one end of the locking hook (3) is provided with a hooking part (31) and one end of the bearer lever (21) is provided with a hooking groove (212) for hooking the hooking part (31).

7. Sorting trolley tray unloading device according to claim 5, characterized in that the locking hook (3) is provided with a triggering portion (32), which triggering portion (32) is located above the tray (12) and can abut against the tray (12).

8. A sorting trolley, characterized in that it comprises a frame body (11), a tray (12) rotatably connected to said frame body (11) and a sorting trolley tray unloading device according to any one of claims 1 to 7.

9. Sorting trolley according to claim 8, characterized in that the edges of the trays (12) are provided with flanging (13).

10. A sorting system comprising a sorting cart according to claim 8 or 9.