阅读说明：本技术 一种翻板式分拣小车的托盘复位机构、分拣机及分拣方法 (Tray resetting mechanism of turnover type sorting trolley, sorting machine and sorting method ) 是由 许辉平 杨永栓 朱明超 徐美金 孙高 鞠世林 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种翻板式分拣小车的托盘复位机构、分拣机及分拣方法。现有的翻板式分拣机在复位过程中,托盘复位机构和分拣小车均会受到较大冲击,这大大缩短了翻板式分拣机的使用寿命。本发明一种翻板式分拣小车的托盘复位机构,包括底座、倾斜导向件和弹性连接件。倾斜导向件通过弹性连接件安装在底座。初始状态下,倾斜导向件的顶面倾斜设置,用于引导分拣小车的托盘复位。倾斜导向件受到外部冲击时,弹性连接件受力发生变形,倾斜导向件随之发生位移来实现缓冲。本发明在对翻板式分拣小车的托盘进行复位时,各液压弹簧能够变形来进行缓冲,避免刚性冲击导致分拣小车以及托盘复位机构的损坏。(The invention discloses a tray resetting mechanism of a turnover type sorting trolley, a sorting machine and a sorting method. The tray resetting mechanism and the sorting trolley can be greatly impacted when the existing plate-turning type sorting machine is reset, so that the service life of the plate-turning type sorting machine is greatly shortened. The invention relates to a tray resetting mechanism of a turnover plate type sorting trolley, which comprises a base, an inclined guide part and an elastic connecting part. The inclined guide member is installed at the base through an elastic connection member. In the initial state, the top surface of the inclined guide piece is obliquely arranged and used for guiding the tray of the sorting trolley to reset. When the inclined guide piece is impacted by the outside, the elastic connecting piece is stressed to deform, and the inclined guide piece displaces along with the deformation to realize buffering. When the tray of the turnover plate type sorting trolley is reset, all the hydraulic springs can deform to buffer, so that the damage to the sorting trolley and the tray resetting mechanism caused by rigid impact is avoided.)

1. A tray resetting mechanism of a turnover plate type sorting trolley comprises a base (1) and an inclined guide piece (2); the method is characterized in that: the device also comprises an elastic connecting piece; the inclined guide piece (2) is arranged on the base (1) through an elastic connecting piece; in an initial state, the top surface of the inclined guide piece (2) is obliquely arranged and is used for guiding the tray of the sorting trolley to reset; when the inclined guide piece (2) is impacted externally, the elastic connecting piece is deformed under stress, and the inclined guide piece (2) is displaced along with the deformation to realize buffering.

2. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 1, wherein: the guide buffer layer is also included; the guide buffer layer is arranged on the top surface of the inclined guide piece.

3. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 1, wherein: the base (1) is provided with an inclined guide piece (2) used for installation, and a first supporting seat (4) and a second supporting seat (5); the first supporting seat (4) and the second supporting seat (5) are arranged at intervals and are fixed on the base (1); the direction from the first supporting seat (4) to the second supporting seat (5) is the same as the conveying direction of the sorting machine; the first supporting seat (4) is lower than the second supporting seat (5); the first supporting seat (4) and the second supporting seat (5) both comprise a top limiting column and two side plates; the top limiting column is fixed between the two side plates.

4. The tray repositioning mechanism of a flipper-type sorting trolley according to claim 3, wherein: the inclined guide piece (2) is in a strip shape and penetrates through the first supporting seat (4) and the second supporting seat (5) below the limiting column; the inclined guide piece (2) is propped against the limiting column under the action of the elastic connecting piece.

5. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 1, wherein: one end of each elastic connecting piece is hinged with the base (1), and the other end of each elastic connecting piece is hinged with the inclined guide piece (2), so that the inclined guide pieces (2) can keep a stable inclined state when not impacted by the outside.

6. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 5, wherein: the connecting position of each elastic connecting piece and the base (1) is adjustable.

7. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 5, wherein: the connection position of each elastic connecting piece and the inclined guide piece (2) is adjustable.

8. The tray repositioning mechanism for a flipper-type sorting trolley according to claim 1, wherein: the elastic connecting piece adopts a hydraulic spring (3), a gas spring or a metal spring.

9. A tray resetting mechanism of a turnover plate type sorting trolley comprises a base (1) and an inclined guide piece (2); the method is characterized in that: the guide buffer layer is also included; the inclined guide piece (2) is arranged on the base (1), the top surface of the inclined guide piece is obliquely arranged, and the inclined guide piece is used for guiding the tray of the sorting trolley to reset; the guide buffer layer is arranged on the top surface of the inclined guide piece.

10. The tray repositioning mechanism for a flipper sorting cart of claim 9, wherein: the guide buffer layer adopts a brush (6) with upward bristles.

11. The tray repositioning mechanism for a flipper sorting cart of claim 9, wherein: the guide buffer layer is made of strip-shaped elastic materials.

12. The tray repositioning mechanism for a flipper sorting cart of claim 9, wherein: the guide buffer layer comprises a guide plate and a plurality of springs; the guide plate is connected to the top surface of the inclined guide (2) by a plurality of springs.

13. A plate-turnover sorting machine comprising the tray resetting mechanism of any one of claims 1 to 12, and further comprising a frame (9), an annular rail (10), a sorting trolley (11) and a lower packing table (12); the method is characterized in that: the annular track (10) is arranged on the frame (9); a plurality of sorting trolleys (11) are sequentially arranged on the annular track (10) end to end; a tray locked by a lock catch is arranged on the sorting trolley (11); when the lock catch is pulled, the tray is turned downwards; the lower wrapping table (12) is arranged right below the annular track (10); the tray resetting mechanism (13) is arranged below the annular track (10) and is positioned at the tail end of the lower wrapping table (12); the number of the tray resetting mechanisms (13) corresponds to the number of the trays on a single sorting trolley (11); the top surface of the inclined guide piece (2) in the tray resetting mechanism (13) is gradually raised from low along the conveying direction of the sorting trolley (11); the lower packing table (12) consists of a plurality of lower packing units which are sequentially arranged along the conveying direction of the sorting trolley (11); a power element for shifting the lock catch on the sorting trolley (11) is arranged in the lower packing unit.

14. The flap sorter of claim 13, wherein: a power element used for shifting the lock catch in the lower wrapping unit adopts a lock catch shifting cylinder (12-3); the lock catch toggle cylinder (12-3) is arranged on the side part of the annular track (10) and corresponds to the outer end of the lock catch (11-5) on the sorting trolley (11); a second roller (12-5) is supported at the top end of a piston rod of the lock catch toggle cylinder (12-3); when the second roller (12-5) is at the first limit position, the second roller (12-5) is staggered with the outer end of the lock catch (11-5), and the lock catch (11-5) cannot be pulled by the sorting trolley (11) when the sorting trolley (11) passes by; when the second roller (12-5) is at the second limit position, the second roller (12-5) is aligned with the outer end of the lock catch (11-5), and the sorting trolley (11) is pulled by the lock catch (11-5) when passing by, so that the tray (11-4) at the corresponding side of the sorting trolley (11) is turned downwards.

15. The flap sorter of claim 13, wherein: one side edge of a tray (11-4) on the sorting trolley (11) is hinged with the frame (11-1); under the state that the tray (11-4) is not turned over downwards, a hinge shaft on the tray (11-4) is positioned at one side of the tray (11-4) close to the conveying direction; a first roller (11-7) is supported at one side edge of the tray (11-4); the lock catch (11-5) is arranged at the bottom of the frame (11-1) and corresponds to the first roller (11-7); the lock catch (11-5) and the frame (11-1) form a revolute pair and are elastically connected; the lock catch (11-5) resets under the action of elasticity after being stirred; a limiting block (11-8) is fixed at the inner end of the lock catch (11-5); the top surfaces of the limiting blocks (11-8) are planes and support the first rollers (11-7), so that the tray (11-4) is locked; the bottom surfaces of the limiting blocks (11-8) are inclined surfaces, so that the first rollers (11-7) can push the limiting blocks (11-8) away when the tray (11-4) is turned upwards and reset, and the reset and the locking of the tray (11-4) are realized.

16. The flap sorter of claim 13, wherein: the sorting trolley (11) comprises a trolley frame (11-1), supporting wheels (11-2), positioning wheels (11-3), a tray (11-4), a lock catch (11-5) and a secondary plate (11-6); a plurality of vertically arranged supporting wheels (11-2) are arranged at the bottom of the frame (11-1); the horizontally arranged positioning wheel (11-3) is supported at the side part of the frame (11-1); the secondary plate (11-6) is fixed on one side of the frame (11-1); the two trays (11-4) are arranged on the frame (11-1) side by side; the two trays (11-4) correspond to the two tray resetting mechanisms (13) in position respectively; the two first rollers (11-7) are respectively arranged on the opposite sides of the bottoms of the two trays (11-4).

17. The flap sorter of claim 13, wherein: the lower packing unit comprises a lower packing inclined plate (12-1) and two lower packing grids (12-4); the two lower packing grids (12-4) are arranged below the annular track (10) side by side; inclined sliding-out surfaces are arranged in the two lower packing grids (12-4); the lower wrap inclined plate (12-1) is arranged between the annular guide rail and the lower wrap lattice opening (12-4); the middle part of the lower inclined plate (12-1) and the frame (9) form a rotating pair with a common axis parallel to the conveying direction of the sorting trolley (11); the lower wrapping inclined plate (12-1) is driven to turn over by a cylinder or a motor; the two limit positions of the turning of the lower wrap inclined plate (12-1) are respectively butted with the two lower wrap grids (12-4).

18. The flap sorter of claim 13, wherein: the frames (11-1) of two adjacent sorting trolleys (11) are hinged or connected through a ball hinge; each sorting trolley (11) is driven by a non-contact linear motor (14).

19. The flap sorter of claim 13, wherein: the device also comprises a packing table; the upper packing table is arranged on the side part of the annular track (10); the lower packing table (12) is positioned between the upper packing table and the tray resetting mechanism (13).

20. The sorting method of a flap sorter according to claim 13, wherein: step one, each sorting trolley (11) circularly moves along an annular guide rail; the staff continuously send the parcels to be sorted to the moving sorting trolley (11); each parcel corresponds to a target lower parcel shelf;

secondly, the packages are conveyed above a lower package table (12) along with a sorting trolley (11), and when the distance between the packages and a target lower package grid reaches a preset value, a lower package switching cylinder (12-2) in a lower package unit where the target lower package grid is located drives a lower package inclined plate (12-1) to be turned over and switched to a state of butting the target lower package grid; the power element corresponding to the lower package unit where the target cell is located dials the lock catch (11-5) on the sorting trolley, so that the tray (11-4) corresponding to the package is turned over downwards, and the package is sent to the target lower package cell through the lower package inclined plate (12-1);

and step three, when the sorting trolley (11) with the tray (11-4) turned downwards leaves the upper part of the lower packing table (12) and reaches the position of the tray resetting mechanism (13), the tray (11-4) turned downwards is gradually turned upwards to reset under the pushing of the inclined guide piece (2) and is locked by the lock catch.

Technical Field

The invention belongs to the technical field of logistics sorting, and particularly relates to a tray resetting mechanism of a flap-type unpowered sorting trolley, a sorting machine and a sorting method.

Background

The tray is used as a sorting carrier of the turnover plate type sorting machine, goods are released by downwards turning the tray, and the turnover plate type sorting machine has the core advantage that the turnover plate type sorting machine can stably and reliably process articles with various sizes and shapes, such as plastic bags, irregular packaged special-shaped pieces, mails, books and periodicals and the like. And the lower package platform of the plate turnover type sorting machine is arranged below the annular track, and a power source is not required to be arranged on the sorting trolley, so that the plate turnover type sorting machine has the advantages of small occupied space and low cost. However, in the existing flap sorter, the tray reset mechanism resets the tray by rigidly impacting the tray that is flipped open downward by the sorting trolley. In the reset process, the tray reset mechanism and the sorting trolley can be greatly impacted, so that the service life of the plate turnover type sorting machine is greatly shortened. In addition, when the condition of card package appears on the letter sorting dolly, current tray canceling release mechanical system can push away the letter sorting dolly rather, leads to serious consequences such as letter sorting dolly derailment, damage.

Disclosure of Invention

The invention aims to provide a tray resetting mechanism of a turnover type sorting trolley, a sorting machine and a sorting method.

The invention aims to provide a tray resetting mechanism of a turnover plate type sorting trolley.

The invention relates to a tray resetting mechanism of a turnover plate type sorting trolley, which comprises a base, an inclined guide part and an elastic connecting part. The inclined guide member is installed at the base through an elastic connection member. In the initial state, the top surface of the inclined guide piece is obliquely arranged and used for guiding the tray of the sorting trolley to reset. When the inclined guide piece is impacted by the outside, the elastic connecting piece is stressed to deform, and the inclined guide piece displaces along with the deformation to realize buffering.

Preferably, the base is provided with a first supporting seat and a second supporting seat of the inclined guide piece for installation. The first supporting seat and the second supporting seat are arranged at intervals and are fixed on the base. The direction from the first supporting seat to the second supporting seat is the same as the conveying direction of the sorting machine. The first supporting seat is lower than the second supporting seat. First supporting seat and second supporting seat all include spacing post in top and two blocks of curb plates. The top limiting column is fixed between the two side plates.

Preferably, the inclined guide part is in a strip shape and penetrates through the lower parts of the limiting columns in the first supporting seat and the second supporting seat. The inclined guide part is propped against the limiting column under the action of the elastic connecting part.

Preferably, one end of the plurality of elastic connection members is hinged to the base, and the other end is hinged to the tilt guide member, so that the tilt guide member maintains a stable tilted state when it is not subjected to an external impact.

Preferably, the connection position of each elastic connecting piece and the base is adjustable.

Preferably, the connection position of each elastic connection member to the tilt guide member is adjustable.

Preferably, the elastic connecting piece adopts a hydraulic spring, a gas spring or a metal spring.

Preferably, the tray resetting mechanism of the turnover plate type sorting trolley further comprises a guide buffer layer. The guide buffer layer is arranged on the top surface of the inclined guide piece.

The second purpose of the invention is to provide another tray resetting mechanism of the turnover plate type sorting trolley.

The invention relates to a tray resetting mechanism of a turnover plate type sorting trolley, which comprises a base, an inclined guide piece and a guide buffer layer. The inclined guide piece is installed on the base, the top surface of the inclined guide piece is obliquely arranged, and the inclined guide piece is used for guiding the tray of the sorting trolley to reset. The guide buffer layer is arranged on the top surface of the inclined guide piece.

Preferably, the guide buffer layer adopts a brush with upward bristles.

Preferably, the guide buffer layer is made of strip-shaped elastic material.

Preferably, the guide buffer layer comprises a guide plate and a plurality of springs. The guide plate is connected to the top surface of the inclined guide by a plurality of springs.

The invention also provides a plate-turning type sorting machine applying the tray resetting mechanism and a sorting method thereof.

The invention relates to a plate-turning type sorting machine which comprises a rack, an annular track, a sorting trolley, a lower packing table and one of the tray resetting mechanisms. The annular track is installed on the frame. A plurality of sorting trolleys are sequentially arranged on the annular track end to end. The sorting trolley is provided with a tray locked by a lock catch. When the latch is toggled, the tray is flipped open downward. The lower ladle table is arranged right below the annular track. The tray resetting mechanism is arranged below the annular track and is positioned at the tail end of the lower packing table. The number of the tray resetting mechanisms corresponds to the number of the trays on a single sorting trolley. The top surface of the inclined guide piece in the tray resetting mechanism is gradually raised from low along the conveying direction of the sorting trolley. The lower packing platform consists of a plurality of lower packing units which are sequentially arranged along the conveying direction of the sorting trolley. And a power element for shifting the lock catch on the sorting trolley is arranged in the lower packing unit.

Preferably, the power element for shifting the lock catch in the lower bag unit adopts a lock catch shifting cylinder. The lock catch poking cylinder is arranged on the side part of the annular track, and the position of the lock catch poking cylinder corresponds to the outer end of the lock catch on the sorting trolley. The top end of a piston rod of the lock catch toggle cylinder is supported with a second roller. When the second roller wheel is positioned at the first limit position, the second roller wheel is staggered with the outer end of the lock catch, and the lock catch cannot be pulled by the sorting trolley when the sorting trolley passes through; when the second roller wheel is positioned at the second limit position, the second roller wheel is aligned with the outer end of the lock catch, and the lock catch is stirred when the sorting trolley passes through, so that the tray on the corresponding side of the sorting trolley is downwards turned.

Preferably, one side edge of the tray on the sorting trolley is hinged with the frame. And under the state that the tray is not turned downwards, the hinge shaft on the tray is positioned on one side of the tray close to the conveying direction. A first roller is supported at one side edge of the tray. The lock catch is arranged at the bottom of the frame and corresponds to the first roller in position. The lock catch and the frame form a revolute pair and are elastically connected. The lock catch resets under the action of elastic force after being stirred. The inner end of the lock catch is fixed with a limiting block. The top surface of stopper is the plane, supports first gyro wheel for the tray is locked. The bottom surface of stopper is the inclined plane for first gyro wheel can push away the stopper when the tray upwards overturns and resets, realizes that the tray resets and the locking.

Preferably, the sorting trolley comprises a frame, supporting wheels, positioning wheels, a tray, a lock catch and a secondary plate. A plurality of supporting wheels which are vertically arranged are arranged at the bottom of the frame. The horizontally arranged positioning wheels are supported at the side part of the frame. The secondary plate is fixed on one side of the frame. The two trays are arranged on the frame side by side. The two trays correspond to the two tray resetting mechanisms respectively in position. The two first rollers are respectively arranged on the opposite sides of the bottoms of the two trays.

Preferably, the lower packing unit comprises a lower inclined plate and two lower grids. Two lower packing grids are arranged below the annular track side by side. Inclined sliding-out surfaces are arranged in the two lower packing grid openings. The lower wrap inclined plate is arranged between the annular guide rail and the lower wrap grid opening. The middle part of the lower package inclined plate and the frame form a rotating pair with a common axis parallel to the conveying direction of the sorting trolley. The lower package inclined plate is driven to turn over by a cylinder or a motor. And the two limit positions of the turning of the lower wrap inclined plate are respectively butted with the two lower wrap grids.

Preferably, the carriages of two adjacent sorting trolleys are hinged or connected by a ball hinge. Each sorting trolley is driven by a non-contact linear motor.

Preferably, the plate-turnover sorting machine further comprises a packing table. The upper packing table is arranged on the side part of the annular track. The lower wrapping table is positioned between the upper wrapping table and the tray resetting mechanism.

The sorting method of the plate-turning type sorting machine comprises the following steps:

step one, circularly moving each sorting trolley along a ring-shaped guide rail; the staff continuously send the parcels to be sorted to the moving sorting trolley; each parcel corresponds to a target lower parcel shelf.

Secondly, the packages are conveyed above a lower package table along with the sorting trolley, and when the distance between the packages and a target lower package grid reaches a preset value, a lower package switching cylinder in a lower package unit where the target lower package grid is located drives a lower package inclined plate to turn over and switch to a state of being in butt joint with the target lower package grid; the power element corresponding to the lower package unit where the target cell is located stirs the lock catch on the sorting trolley, so that the tray corresponding to the package is turned downwards, and the package is sent into the target cell through the lower package inclined plate.

And step three, when the sorting trolley with the tray turned downwards leaves the upper part of the lower packing table and reaches the position of the tray resetting mechanism, the tray turned downwards is gradually turned upwards to reset under the pushing of the inclined guide piece and is locked by the lock catch.

The invention has the beneficial effects that:

1. when the tray of the turnover plate type sorting trolley is reset, all the hydraulic springs can deform to buffer, so that the damage to the sorting trolley and the tray resetting mechanism caused by rigid impact is avoided. In addition, the brush also can play the effect of buffering when receiving the tray impact of letter sorting dolly to further protect the tray of slope guide and letter sorting dolly.

2. When the tray of the sorting trolley is clamped, the inclined guide piece is impacted by the tray but cannot push the tray to reset, and the inclined guide piece sinks through the deformation of the spring, so that the phenomenon that the extrusion force between the tray and the inclined guide piece is too large is avoided, and further accidents such as damage or derailment of the sorting trolley are avoided.

3. The tray of the sorting trolley is reset from a 90-degree state to a 0-degree state gradually, so that the tray has the advantages of small reset resistance, difficulty in failure, low noise and the like.

Drawings

Fig. 1 is an overall configuration diagram of embodiment 1 (tray returning mechanism) of the present invention;

fig. 2 is a schematic overall structure diagram of a flap sorter according to embodiment 8 of the present invention;

FIG. 3 is a schematic structural view of a sorting cart in embodiment 8 of the present invention;

FIG. 4 is a sectional view at a lower deck of embodiment 8 of the present invention;

fig. 5 is a schematic view showing the positional relationship among the sorting cart, the endless track, the lower deck, and the flap sorter according to embodiment 8 of the present invention (a partial enlarged view of a portion a in fig. 4).

Detailed Description

The invention is further described below with reference to the accompanying drawings.