CN113526053A

CN113526053A - Collection bag and falling piece receiving device

Info

Publication number: CN113526053A
Application number: CN202110830600.0A
Authority: CN
Inventors: 李洪涛
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-10-22
Anticipated expiration: 2041-07-22
Also published as: CN113526053B

Abstract

The invention relates to the technical field of warehouse logistics, in particular to a collecting bag and a falling part collecting device. Collect the bag including collecting the bag body, sealing rope, fag end fixed block and elasticity and detain, wherein the sack department of collecting the bag body is provided with and encircles the stringing hole of the circumference distribution of collecting the bag body, seal the rope and wear to locate the stringing hole, the fag end fixed block with the elasticity detain all set up in collect the bag body, the first fag end of sealing rope is fixed in the fag end fixed block, the second fag end of sealing rope passes the elasticity is detained, just the elasticity detain can press from both sides tightly or loosen the sealing rope. The collecting bag provided by the invention is suitable for being matched with an automatic falling piece collecting device to realize automatic collection of falling pieces.

Description

Collection bag and falling piece receiving device

Technical Field

The invention relates to the technical field of warehouse logistics, in particular to a collecting bag and a falling part collecting device.

Background

Modern electricity merchant and commodity circulation traffic are huge, order parcel letter sorting intensity is bigger and bigger, the corresponding development of automatic sorting equipment is rapid, cross-belt sorting machine is one kind of common letter sorting equipment, its theory of operation is under control system's coordinated control, realize that the material is by supplying a equipment accuracy to send into the letter sorting dolly, the letter sorting dolly is bearing the goods and is moving on the track, when this letter sorting dolly removes the goods check mouth that falls stipulated, action mechanism such as the belt of letter sorting dolly or turning over the board begins the action, make article to the motion of orbital both sides, article fall into the goods check mouth that falls stipulated, thereby accomplish the task that the article letter sorting sent out. However, in the prior art, after the articles fall into the falling-article grid opening, the falling articles are collected manually, so that the labor cost is high.

Disclosure of Invention

One object of the present invention is to provide a collecting bag, which is suitable for matching with an automatic dropped piece collecting device to realize automatic collection of dropped pieces.

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

a collection bag comprising:

the bag comprises a collecting bag body, wherein the bag opening is provided with stringing holes distributed circumferentially around the collecting bag body;

the sealing rope is arranged in the rope threading hole in a penetrating way;

the rope end fixing block is arranged on the collecting bag body, and a first rope end of the sealing rope is fixed on the rope end fixing block;

the elastic buckle is arranged on the collecting bag body, a second rope end of the sealing rope penetrates through the elastic buckle, and the elastic buckle can clamp or loosen the sealing rope.

Preferably, the bungee buckle includes:

the seat body is provided with a first accommodating cavity, a through hole is formed in the seat body, the axis of the through hole is perpendicular to the axis of the first accommodating cavity, and the second rope end of the sealing rope penetrates through the through hole;

two press from both sides tight piece, the interval set up in first holding the intracavity, and two press from both sides tight piece branch and arrange in the both sides of the axis that passes the hole, two press from both sides the one end that the tight piece is close to each other and all seted up and press from both sides tight groove, the seal rope is worn to locate two press from both sides between the tight groove, two press from both sides tight piece and can be close to each other or keep away from to press from both sides tightly or relax the seal rope.

Preferably, the bungee buckle further comprises:

the two first elastic pieces are respectively arranged on one sides, far away from each other, of the two clamping blocks in a compressed state;

the seat body is provided with two first pressing blocks, the seat body is also provided with a second containing cavity, the axis of the second containing cavity is perpendicular to the axis of the first containing cavity and the axis of the through hole, the two first pressing blocks are arranged in the second containing cavity and are respectively arranged on two sides of the axis of the first containing cavity, the ends, close to each other, of the two first pressing blocks are both in a wedge shape, the ends, close to each other, of the two clamping blocks are also in a wedge shape, the wedge-shaped end of each first pressing block is located between the wedge-shaped ends of the two clamping blocks, and the wedge-shaped end of each first pressing block can be in sliding fit with the wedge-shaped end of each clamping block;

the two second pressing blocks are arranged in the second accommodating cavity and are respectively arranged on one sides, far away from each other, of the two first pressing blocks, and the second pressing blocks extend out of the opening of the second accommodating cavity;

and the second elastic pieces are connected between the first pressing block and the second pressing block.

Preferably, one of the clamping block and the inner wall of the first accommodating cavity is provided with a first sliding protrusion, the other is provided with a first sliding groove, and the first sliding protrusion is in sliding fit with the first sliding groove.

Preferably, one of the inner walls of the first pressing block and the second accommodating cavity is provided with a second sliding protrusion, the other one of the inner walls of the first pressing block and the second accommodating cavity is provided with a second sliding groove, and the second sliding protrusion is in sliding fit with the second sliding groove.

Preferably, the second pressing block is provided with first limiting bulges and second limiting bulges which are distributed at intervals along the axis direction, the diameters of the first limiting bulges and the second limiting bulges are larger than the diameter of the opening of the second accommodating cavity, the first limiting bulges are located in the second accommodating cavity, and the second limiting bulges are located outside the second accommodating cavity.

Preferably, the second accommodating cavity comprises a first cavity part and a second cavity part, the diameter of the second cavity part is larger than that of the first cavity part, the first pressing block is arranged in the first cavity part, and the first limiting protrusion is located in the second cavity part.

Preferably, the collecting bag further comprises two groups of positioning blocks, the two groups of positioning blocks are respectively arranged on two opposite sides of the collecting bag body, and clamping shoulders are arranged on the positioning blocks.

Preferably, the positioning block is in an inverted convex shape and comprises a first positioning portion and a second positioning portion connected to the upper end of the first positioning portion, the size of the first positioning portion is smaller than that of the second positioning portion, and the connecting surface of the first positioning portion and the second positioning portion forms the clamping shoulder.

Preferably, the positioning block is provided with a positioning hole.

Another object of the invention is to propose a drop collection device comprising a collection bag as defined in any one of the above.

The invention has the beneficial effects that:

the invention provides a collecting bag which comprises a collecting bag body, a sealing rope, a rope end fixing block and an elastic buckle, wherein rope penetrating holes distributed circumferentially around the collecting bag body are formed in the bag opening of the collecting bag body, the sealing rope penetrates through the rope penetrating holes, the rope end fixing block and the elastic buckle are both arranged on the collecting bag body, a first rope end of the sealing rope is fixed on the rope end fixing block, a second rope end of the sealing rope penetrates through the elastic buckle, and the elastic buckle can clamp or loosen the sealing rope. The collecting bag provided by the invention is suitable for being matched with an automatic falling piece collecting device to realize automatic collection of falling pieces.

Drawings

Fig. 1 is a partial structural schematic view of a sorting apparatus provided in the prior art;

FIG. 2 is a schematic structural view of the falling piece collecting device provided by the invention when applied to sorting equipment;

FIG. 3 is a schematic structural view of a drop collecting device provided by the present invention;

FIG. 4 is a schematic view of the construction of a collection bag provided by the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a schematic view of the construction of the bungee buckle of the present invention;

fig. 7 is a cross-sectional view of a housing in accordance with the present invention;

FIG. 8 is a schematic view of the present invention with the fastener removed from the base;

fig. 9 is a sectional view of the bungee buckle in accordance with the present invention.

In the figure:

10. a falling piece collecting device; 11. a collection bag; 111. a collection bag body; 112. positioning blocks; 1121. a first positioning portion; 1122. a second positioning portion; 1123. positioning holes; 113. a sealing rope; 1131. a first rope end; 1132. a second rope end; 114. a rope end fixing block; 115. fastening and loosening; 1151. a base body; 1151a, through the aperture; 1151b, a first accommodating cavity; 1151c, a first cavity portion; 1151d, a second cavity portion; 1151e, a first runner; 1151f, a second chute; 1152. a clamping block; 1152a, a clamping groove; 1152b, a first sliding projection; 1153. a first elastic member; 1154. a first pressing block; 1154a, a second sliding projection; 1155. a second pressing block; 1155a, a first limit bulge; 1155b and a second limiting bulge; 1156. a second elastic member;

12. a frame; 121. a collection bag placement station; 122. a falling piece collecting station;

100. a frame; 101. a drive rail; 102. and (4) dropping the goods grid.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The cross belt sorting machine is one of common sorting equipment, as shown in fig. 1, and comprises a rack 100 and a sorting trolley (not shown in the figure), wherein a conveying track is arranged on the rack 100, cargo falling grid openings 102 are arranged on two sides of the conveying track on the rack 100, the sorting trolley carries cargos to run on the conveying track, when the sorting trolley moves to the specified cargo falling grid openings 102, action mechanisms such as a belt or a turning plate of the sorting trolley start to act, so that the cargos move to two sides of the conveying track, and the cargos fall into the specified cargo falling grid openings 102. In the prior art, after the goods fall into the goods dropping grid 102, the goods are manually collected, so that the labor cost is high.

In view of the above problems, the present invention provides a dropped piece collecting device 10 capable of automatically collecting dropped pieces. As shown in fig. 2 and 3, the fallen part collecting device 10 includes a collecting bag 11, a frame 12, and an automatic replacing device, wherein the frame 12 has a collecting bag placing station 121 and a fallen part collecting station 122, the collecting bag placing station 121 is used for placing an empty collecting bag 11, the fallen part collecting station 122 is used for abutting against the fallen part grid 102, the automatic replacing device is used for transferring the empty collecting bag 11 of the collecting bag placing station 121 to the fallen part collecting station 122, and sealing and removing the collecting bag 11 filled with goods from the fallen part collecting station 122. The fallen part collecting device 10 provided by the invention can realize automatic collection of fallen parts, and saves labor cost.

The collecting bag 11 according to the invention is suitable for being used in conjunction with automated automatic changing devices for the automatic collection of falling pieces. Specifically, as shown in fig. 4 and 5, the collecting bag 11 according to the present invention includes a collecting bag body 111, a sealing rope 113, a rope end fixing block 114, and an elastic buckle 115, wherein a rope passing hole circumferentially distributed around the collecting bag body 111 is disposed at a bag mouth of the collecting bag body 111, the sealing rope 113 is disposed through the rope passing hole, both the rope end fixing block 114 and the elastic buckle 115 are disposed on the collecting bag body 111, a first rope end 1131 of the sealing rope 113 is fixed to the rope end fixing block 114, a second rope end 1132 of the sealing rope 113 passes through the elastic buckle 115, and the elastic buckle 115 can clamp or loosen the sealing rope 113. Through the arrangement, the automatic sealing of the automatic collecting bag 11 can be realized by matching with the automatic replacing device. Specifically, it may be that the automatic exchanging apparatus includes a clamping assembly for driving the bungee buckle 115 to switch between a clamped state and an unclamped state, and a drawstring assembly for drawing the second cord end 1132 of the closure cord 113 while the clamping assembly drives the bungee buckle 115 in the unclamped state. The automatic change of the collection bag 11 can then be effected by the automatic changing device again being supplemented by a transfer assembly for transferring the collection bag 11.

In this embodiment, as shown in fig. 6 to 9, the elastic buckle 115 includes a seat body 1151, two clamping blocks 1152 and a driving assembly, the seat body 1151 has a first accommodating cavity 1151b, the seat body 1151 further has a through hole 1151a, an axis of the through hole 1151a is perpendicular to an axis of the first accommodating cavity 1151b, and the second cord end 1132 of the sealing cord 113 can pass through the through hole 1151 a; the two clamping blocks 1152 are arranged in the first accommodating cavity 1151b at intervals along the axial direction of the first accommodating cavity 1151b, the two clamping blocks 1152 are respectively arranged at two sides of the axial line passing through the hole 1151a, clamping grooves 1152a are respectively formed in the ends, close to each other, of the two clamping blocks 1152, the sealing rope 113 is arranged between the two clamping grooves 1152a in a penetrating mode, and the two clamping blocks 1152 can be close to or far away from each other to clamp or loosen the sealing rope 113. Through the above arrangement, the clamping assembly in the automatic replacing device can be better matched, and the clamping assembly only needs to be capable of realizing the mutual approaching and departing of the two clamping blocks 1152.

Further, the elastic buckle 115 further includes two first elastic members 1153, two first pressing pieces 1154, two second pressing pieces 1155, and two second elastic members 1156, and the two first elastic members 1153 are respectively disposed in a compressed state on the sides of the two clamping pieces 1152 away from each other; the base body 1151 further comprises a second accommodating cavity, the axis of the second accommodating cavity is perpendicular to the axis of the first accommodating cavity 1151b and the axis passing through the hole 1151a, the two first pressing blocks 1154 are arranged in the second accommodating cavity, the two first pressing blocks 1154 are respectively arranged on two sides of the axis of the first accommodating cavity 1151b, the ends, close to each other, of the two first pressing blocks 1154 are both wedge-shaped, the ends, close to each other, of the two clamping blocks 1152 are also both wedge-shaped, the wedge-shaped end of the first pressing block 1154 is positioned between the two clamping blocks 1152, the wedge-shaped ends of the two first pressing blocks 1154 are respectively arranged on two sides of the axis of the clamping groove 1152a, and the wedge-shaped end of the first pressing block 1154 can be in sliding fit with the wedge-shaped end of the clamping block 1152; two second pressing blocks 1155 are also arranged in the second accommodating cavity and are respectively arranged at the sides, away from each other, of the two first pressing blocks 1154, and the second pressing blocks 1155 extend out through the opening of the second accommodating cavity; the second elastic member 1156 is connected between the first pressing piece 1154 and the second pressing piece 1155. With the above arrangement, the structure of the clamping unit in the automatic exchanging apparatus can be further simplified, and the clamping unit only needs to be able to provide the pressing force to the second pressing block 1155 and to cancel the pressing force. When the clamping assembly applies a compressive force to the second pressing blocks 1155, the two second pressing blocks 1155 can push the two first pressing blocks 1154 to approach each other, thereby driving the two clamping blocks 1152 to move away from each other to release the sealing rope 113 between the two clamping grooves 1152 a; when the clamping assembly releases the pressing force applied to the second pressing piece 1155, the first pressing piece 1154 and the second pressing piece 1155 are reset by the second elastic member 1156, and the clamping pieces 1152 are reset by the first elastic member 1153, and the two clamping pieces 1152 press the sealing rope 113 located between the two clamping grooves 1152 a.

One of the clamping block 1152 and the inner wall of the first receiving cavity 1151b is provided with a first sliding protrusion 1152b, and the other is provided with a first sliding groove 1151e, and the first sliding protrusion 1152b is slidably engaged with the first sliding groove 1151 e. One of the first pressing block 1154 and the inner wall of the second accommodating chamber is provided with a second sliding projection 1154a, and the other is provided with a second sliding groove 1151f, and the second sliding projection 1154a is in sliding fit with the second sliding groove 1151 f. With the above arrangement, the sliding of the clamp block 1152 and the first press block 1154 can be made more stable.

The second pressing block 1155 is provided with first limiting bulges 1155a and second limiting bulges 1155b which are distributed at intervals along the axial direction of the second pressing block 1155, the diameters of the first limiting bulges 1155a and the second limiting bulges 1155b are both larger than the diameter of the opening of the second accommodating cavity, the first limiting bulges 1155a are positioned in the second accommodating cavity, and the second limiting bulges 1155b are positioned outside the second accommodating cavity. Through the above arrangement, the moving position of the second pressing block 1155 can be limited, excessive movement of the first pressing block 1154 is avoided, and the second holding cavity is prevented from being disengaged from the second pressing block 1155. Preferably, the second receiving chamber includes a first chamber portion 1151c and a second chamber portion 1151d, the second chamber portion 1151d has a diameter larger than that of the first chamber portion 1151c, the first pressing piece 1154 is provided to the first chamber portion 1151c, and the first stopper protrusion 1155a is provided to the second chamber portion 1151 d. Through the above arrangement, the distribution of the first pressing block 1154 and the second pressing block 1155 is facilitated, so that the structure is more reasonable.

Further, referring to fig. 4, the collecting bag 11 provided in this embodiment further includes two sets of positioning blocks 112, the two sets of positioning blocks 112 are respectively disposed on two opposite sides of the collecting bag body 111, and the positioning blocks 112 are provided with shoulder-locking portions. Through the arrangement, the collection bag 11 can be better transferred by matching with the transfer component in the automatic replacing device. For example, the transfer assembly may include a two-dimensional movement mechanism and two pick-and-place arms connected to the two-dimensional movement mechanism, each pick-and-place arm is provided with a set of bayonet, two sets of bayonets on the two pick-and-place arms respectively correspond to two sets of shoulders on the two sets of positioning blocks 112 one to one, and the bayonet can be engaged with the shoulders. When the collecting bag 11 is taken, the two taking and placing arms firstly slide to the position where the bayonet is opposite to the clamping shoulder, and then slide towards the direction close to each other so as to enable the bayonet to be clamped with the clamping shoulder, and therefore the collecting bag 11 is taken; when the collecting bag 11 is put down, the two picking and placing arms firstly slide along the directions far away from each other to separate the bayonet from the clamping shoulder and then slide to the position of the next target collecting bag 11.

In this embodiment, the positioning block 112 is in an inverted convex shape, and includes a first positioning portion 1121 and a second positioning portion 1122 connected to an upper end of the first positioning portion 1121, a size of the first positioning portion 1121 is smaller than a size of the second positioning portion 1122, and a connecting surface of the first positioning portion 1121 and the second positioning portion 1122 forms the above-mentioned shoulder. Or in other embodiments, a ring of protrusions may be protruded from the positioning block 112, and the lower end surface of the protrusion forms the above-mentioned locking shoulder.

Preferably, the positioning block 112 is further provided with a positioning hole 1123, and when the empty collection bag 11 is stacked at the collection bag placement station 121, the positioning hole 1123 may be inserted into a positioning rod, so as to stack the collection bag 11 more orderly, thereby facilitating the transfer of the collection bag 11 by the transfer assembly.

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.

Claims

1. A collecting bag, comprising:

the bag comprises a collecting bag body (111), wherein stringing holes distributed circumferentially around the collecting bag body (111) are formed in the bag opening;

the sealing rope (113) is arranged in the rope threading hole in a penetrating way;

a rope end fixing block (114) arranged on the collecting bag body (111), wherein a first rope end (1131) of the sealing rope (113) is fixed on the rope end fixing block (114);

an elastic buckle (115) provided to the collection bag body (111), the second rope end (1132) of the closure rope (113) passing through the elastic buckle (115), and the elastic buckle (115) being capable of clamping or loosening the closure rope (113).

2. A collecting bag according to claim 1, characterised in that the bungee buckle (115) comprises:

the base body (1151), the base body (1151) has a first accommodating cavity (1151b), a through hole (1151a) is further formed in the base body (1151), the axis of the through hole (1151a) is perpendicular to the axis of the first accommodating cavity (1151b), and the second rope end (1132) of the sealing rope (113) passes through the through hole (1151 a);

two clamping blocks (1152) are arranged in the first accommodating cavity (1151b) at intervals, the two clamping blocks (1152) are respectively arranged on two sides of the axis passing through the hole (1151a), clamping grooves (1152a) are formed in one ends, close to each other, of the two clamping blocks (1152), the sealing rope (113) is arranged between the two clamping grooves (1152a) in a penetrating mode, and the two clamping blocks (1152) can be close to or far away from each other to clamp or loosen the sealing rope (113).

3. A collecting bag according to claim 2, characterised in that the bungee buckle (115) further comprises:

two first elastic members (1153) respectively disposed in a compressed state on sides of the two clamping blocks (1152) away from each other;

two first pressing blocks (1154), the base body (1151) further comprises a second accommodating cavity, the axis of the second accommodating cavity is perpendicular to the axis of the first accommodating cavity (1151b) and the axis passing through the hole (1151a), the two first pressing blocks (1154) are arranged in the second accommodating cavity, the two first pressing blocks (1154) are respectively arranged at two sides of the axis of the first accommodating cavity (1151b), the ends, close to each other, of the two first pressing blocks (1154) are both in a wedge shape, the ends, close to each other, of the two clamping blocks (1152) are also in a wedge shape, the wedge-shaped end of the first pressing block (1154) is located between the wedge-shaped ends of the two clamping blocks (1152), and the wedge-shaped end of the first pressing block (1154) can be in sliding fit with the wedge-shaped end of the clamping block (1152);

two second pressing blocks (1155) arranged in the second accommodating cavity and respectively arranged on the sides, far away from each other, of the two first pressing blocks (1154), wherein the second pressing blocks (1155) extend out of the opening of the second accommodating cavity;

two second resilient members (1156), said second resilient members (1156) being connected between said first pressing piece (1154) and said second pressing piece (1155).

4. A collecting bag according to claim 2, wherein one of the clamping block (1152) and the inner wall of the first receiving cavity (1151b) is provided with a first sliding projection (1152b) and the other with a first runner (1151e), the first sliding projection (1152b) being in sliding engagement with the first runner (1151 e).

5. A collecting bag according to claim 3, wherein one of said first pressing piece (1154) and an inner wall of said second receiving chamber is provided with a second sliding protrusion (1154a) and the other with a second runner (1151f), said second sliding protrusion (1154a) being in sliding engagement with said second runner (1151 f).

6. A collecting bag according to claim 3, wherein the second pressing piece (1155) is provided with a first limiting protrusion (1155a) and a second limiting protrusion (1155b) which are distributed at intervals along the axial direction, the diameter of the first limiting protrusion (1155a) and the diameter of the second limiting protrusion (1155b) are both larger than the diameter of the opening of the second accommodating cavity, the first limiting protrusion (1155a) is located in the second accommodating cavity, and the second limiting protrusion (1155b) is located outside the second accommodating cavity.

7. The collecting bag according to claim 6, wherein the second receiving chamber comprises a first chamber portion (1151c) and a second chamber portion (1151d), the second chamber portion (1151d) having a larger diameter than the first chamber portion (1151c), the first pressing piece (1154) being provided to the first chamber portion (1151c), the first stopper protrusion (1155a) being located at the second chamber portion (1151 d).

8. A collecting bag according to any of the claims 1-7, further comprising two sets of positioning blocks (112), wherein two sets of positioning blocks (112) are arranged on opposite sides of the collecting bag body (111), and wherein the positioning blocks (112) are provided with shoulders.

9. The collecting bag according to claim 8, wherein the positioning block (112) is in the shape of an inverted convex, and comprises a first positioning portion (1121) and a second positioning portion (1122) connected to the upper end of the first positioning portion (1121), the size of the first positioning portion (1121) is smaller than that of the second positioning portion (1122), and the connecting surface of the first positioning portion (1121) and the second positioning portion (1122) forms the shoulder.

10. The collecting bag according to claim 8, wherein the positioning block (112) is provided with a positioning hole (1123).

11. A drop collection device comprising a collection bag according to any of claims 1-10.