CN218369820U - Automatic change storehouse mechanism that returns of blood station - Google Patents

Abstract

The application relates to the technical field of medical equipment, discloses an automatic change storehouse mechanism that returns at blood station, includes: the basket returning roller way penetrates through the returning opening and is used for conveying the empty blood basket to return to the warehouse; the walking manipulator moves along the basket returning roller way and is used for carrying the empty blood basket; the empty blood baskets outside the storage warehouse are conveyed by the basket returning roller way, pass through the warehouse returning opening and return to the warehouse, and are conveyed to the blood bag stacking mechanism to be bagged, or conveyed to the storage part by the walking mechanical hand part to be stored. The blood baskets outside the output warehouse are conveyed back to the warehouse through the basket returning roller way, so that the blood baskets are circularly conveyed, manual work is replaced by the walking mechanical hand, the problems of returning and carrying of the blood baskets in the storage warehouse are solved, and the automation level and the working efficiency of the automatic blood station are improved.

Description

Automatic change storehouse mechanism that returns of blood station

Technical Field

The application relates to the technical field of medical equipment, for example to a warehouse returning mechanism of an automatic blood station.

Background

The blood station is a blood collecting assembly, at least comprises a packaging blood bag and a storage blood bag, and the blood bag is required to be filled into a blood bag packaging box and stored in a shelf in a low-temperature warehouse in the blood storage of the blood station. With the dramatic rise in blood collection and usage, higher demands are also placed on blood management.

In a blood station, blood is typically placed on a shelf in individual pieces, such as bags or baskets, grouped into a unit by category. The blood is used on order. In the related art, the automatic blood station only inputs or outputs full-loaded blood baskets into or out of the storage warehouse through the conveying belt, and for empty blood baskets after being discharged from the warehouse, the empty blood baskets are collected and temporarily stored through manual work or a tray stacking machine, so that the automation level of the automatic blood station is reduced, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a warehouse returning mechanism of an automatic blood station, which aims to solve the warehouse returning problem of blood baskets in a storage warehouse and improve the automation level and the working efficiency of the automatic blood station. .

In some embodiments, the retrieval mechanism of the automated blood station comprises:

the basket returning roller way penetrates through the returning opening and is used for conveying the empty blood basket to return to the warehouse;

the walking manipulator moves along the basket returning roller way and is used for carrying the empty blood basket;

the empty blood baskets outside the storage warehouse are conveyed by the basket returning roller way, pass through the warehouse returning opening and return to the warehouse, and are conveyed to the blood bag stacking mechanism to be bagged, or conveyed to the storage part by the walking mechanical hand part to be stored.

In some embodiments, the basket return roller table comprises:

and the input area is butted with the returning opening and is arranged downwards from the returning opening so as to accelerate the returning speed of the empty blood basket after passing through the returning opening.

In some embodiments, the retrieval mechanism further comprises:

the transfer roller way is positioned outside the warehouse returning port and is in butt joint with an input area of the basket returning roller way;

the transfer roller way is positioned between the basket returning roller way and the ex-warehouse roller way, and after the blood baskets discharged from the ex-warehouse roller way are empty, the blood baskets are transferred to the basket returning roller way through the transfer roller way and returned to the ex-warehouse roller way.

In some embodiments, the conveying direction of the transfer roller way is perpendicular to the conveying direction of the basket returning roller way.

In some embodiments, the retrieval mechanism further comprises:

the turnover table is in butt joint with the basket returning roller way and is used for transferring the empty blood basket on the basket returning roller way to the blood bag stacking mechanism for blood bag basket loading.

In some embodiments, the basket return roller table further comprises:

the output area is in butt joint with the turnover table, and the local area is arranged in an upward inclined mode so as to slow down the speed of transferring the empty blood baskets to the turnover table and avoid the empty blood baskets from moving out of the turnover table due to the fact that the speed is too high.

In some embodiments, the retrieval mechanism further comprises:

the storage part is arranged above the basket returning roller way and is used for storing a blood basket;

the walking manipulator carries empty blood baskets between the storage part and the basket returning roller way, and carries the empty blood baskets in the storage part to the basket returning roller way under the condition that the number of the empty blood baskets on the basket returning roller way is less than a first preset value; and under the condition that the number of the empty blood baskets on the basket returning roller way is greater than or equal to a second preset value, the walking mechanical arm part carries the empty blood baskets on the basket returning roller way to the storage part.

In some embodiments, the storage portion comprises:

the first shelf covers part or all of the area of the basket returning roller way, and comprises a plurality of storage stations for placing blood baskets;

the length direction of the first shelf is consistent with that of the basket returning roller way.

In some embodiments, the first shelf further comprises:

and the avoidance area is positioned at the bottom of the first goods shelf and used for avoiding the area obliquely arranged in the basket returning roller way so as to avoid influencing the conveying of the empty blood basket.

In some embodiments, the returning opening is provided with a disinfection device which is used for disinfecting and sterilizing empty blood baskets returned from the returning opening.

The automatic storehouse mechanism that returns of blood station that this disclosed embodiment provided can realize following technological effect:

the blood baskets outside the output warehouse are conveyed back to the warehouse through the basket returning roller way, so that the blood baskets are circularly conveyed, manual work is replaced by the walking mechanical hand, the problems of returning and carrying of the blood baskets in the storage warehouse are solved, and the automation level and the working efficiency of the automatic blood station are improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of a retrieval mechanism of the automated blood station provided by the embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of the automated blood station provided by the embodiment of the present disclosure;

FIG. 3 is a schematic structural view of another perspective of the automated blood station provided by embodiments of the present disclosure;

fig. 4 is a schematic structural diagram of another view angle of the automated blood station provided by the embodiment of the present disclosure.

Reference numerals:

10: returning to the basket roller way; 101: an input area; 102: an output area;

20: a walking manipulator;

30: a transfer roller bed;

40: a turnover table; 401: a first turning zone; 402: a roller bed area; 403: a second steer zone;

50: a storage section; 501: a first shelf; 502: storing the station; 503: an avoidance zone;

60: a delivery roller way; 70: warehousing the roller bed; 80: a blood bag stacking mechanism;

90: empty blood basket; 100: returning to the warehouse port; 110: the blood basket is fully loaded.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the disclosed embodiments can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 4, an embodiment of the present disclosure provides a return mechanism of an automated blood station, which includes a return basket roller table 10 and a walking manipulator 20. The empty blood basket 90 on the basket roller table 10 is carried back by the traveling manipulator 20.

The basket returning roller way 10 penetrates through the warehouse returning port 100 and is used for conveying the empty blood basket 90 to return to the warehouse. The basket returning roller way 10 penetrates through the basket returning opening 100, so that a full-load blood basket 110 outside the warehouse or a bag picking blood basket is output according to the order requirement, after a user takes out a blood bag in the blood basket, the blood basket is in an idle state and is an empty blood basket 90, and the empty blood basket 90 passes through the basket returning roller way 10 from the outside of the warehouse and then passes through the basket returning opening 100 to return to the warehouse to wait for next basket loading.

The walking manipulator 20 moves along the basket returning roller way 10 to carry the empty blood basket 90. The walking manipulator 20 moves along the basket returning roller way 10, and conveys the empty blood basket 90 on the basket returning roller way 10 to a designated position according to the instruction, or conveys the empty blood basket 90 to the basket returning roller way 10.

The empty blood basket 90 outside the storage warehouse is conveyed by the basket returning roller way 10, passes through the warehouse returning opening 100, returns to the warehouse, enters the empty blood basket 90 in the storage warehouse, and is transported to the blood bag stacking mechanism 80 for blood bag basket loading, or is transported to the storage part 50 for storage by the walking manipulator part 20.

Adopt the storehouse mechanism that returns at automatic blood station that this disclosed embodiment provided, carry the blood basket outside the output storehouse back to the storehouse through returning basket roll table 10 for blood basket automatic cycle to replace artifically through walking machinery hand 20, solve to the storehouse of returning to of blood basket and transport problem in the storage, improved the automation level and the work efficiency at automatic blood station, and still reduced equipment cost.

It should be noted that the basket return roller table 10 in the present embodiment is not limited to the roller table type, and other conveying structures, such as a conveying belt, are also within the scope of the present application.

The basket returning roller way 10 is arranged along the length direction of the storage warehouse. The basket returning roller way 10 and the warehouse outlet roller way 60 are arranged opposite to each other, and operate independently without mutual interference. The ex-warehouse roller table 60 is used for outputting the full-load blood basket 110 or the bag-picking blood basket required by the order to the storage warehouse.

The basket returning roller way 10 is provided with a plurality of basket returning stations, and the basket returning roller way 10 not only can convey the empty blood baskets 90 outside the storage warehouse to the storage warehouse, but also can temporarily store part of the empty blood baskets 90.

The walking manipulator part 20 moves along the basket returning roller way 10, not only can carry redundant empty blood baskets 90 on the basket returning roller way 10 to the storage part 50 for storage, but also can carry the empty blood baskets 90 of the storage part 50 to the basket returning roller way 10, and transports the empty blood baskets 90 to the blood bag stacking mechanism 80 through the basket returning roller way 10 for blood bag basketing.

Optionally, the basket return roller table 10 comprises: the input area 101 is connected with the returning opening 100 in a butt joint mode, and is arranged in a downward inclined mode from the returning opening 100 so as to accelerate the returning speed of the empty blood basket 90 after passing through the returning opening 100. As shown in connection with fig. 1.

The roller way part positioned in the input area 101 is obliquely downwards arranged from the warehouse returning opening 100, so that the empty blood basket 90 is conveyed to the warehouse returning opening 100 through the basket returning roller way 10 and then passes through the obliquely downwards input area 101, and the conveying speed of the empty blood basket 90 is accelerated under the action of gravity.

Wherein the input area 101 comprises at least a plurality of basket returning stations, and a plurality of empty baskets 90 located at the basket returning stations are moved faster at the input area 101 to leave the input area 101, thus making more space available for returning empty baskets 90 outside the storage.

In practical application, the warehouse returning roller way positioned outside the warehouse returning opening 100 is horizontally arranged, so that the blood basket is prevented from being deviated in the warehouse returning process, and the blood basket is prevented from interfering with the warehouse returning opening 100 to influence the normal conveying of the blood basket. Wherein, the warehouse-returning roller way outside the warehouse-returning opening 100 can also belong to the input area 101.

Optionally, the warehouse returning mechanism further comprises: the transfer roller way 30 is positioned outside the warehouse returning opening 100 and is butted with an input area 101 of the basket returning roller way 10; wherein, the transferring roller way 30 is positioned between the basket returning roller way 10 and the ex-warehouse roller way 60, and after the blood basket out of the warehouse on the ex-warehouse roller way 60 is empty, the blood basket is transferred to the basket returning roller way 10 for returning to the warehouse through the transferring roller way 30. As shown in connection with fig. 1.

The full-load blood basket 110 and the bag-selecting blood basket output by the ex-warehouse roller way 60 become an empty blood basket 90 after the user takes the blood bag in the blood basket, and the empty blood basket 90 is transferred to the basket returning roller way 10 by the transfer roller way 30 and is conveyed to the storage warehouse by the basket returning roller way 10.

The basket returning roller way 10 and the ex-warehouse roller way 60 are arranged side by side at intervals, the basket returning roller way 10 and the ex-warehouse roller way 60 operate independently, and the transferring roller way 30 is positioned between the basket returning roller way 10 and the ex-warehouse roller way 60 and operates independently. The ex-warehouse roller way 60, the transfer roller way 30 and the basket returning roller way 10 can be linked to ensure the transfer and return efficiency of the empty blood basket 90 outside the storage warehouse.

Optionally, both ends of the transfer roller table 30 are butted against the side of the ex-warehouse roller table 60 and the side of the basket return roller table 10, respectively.

Optionally, the end of the outbound roller table 60 and the end of the return basket roller table 10 abut the same side of the transfer roller table 30.

Optionally, the transfer table 30 is a linear structure. Optionally, the transfer table 30 is of an arc type structure.

Optionally, the conveying direction of the transfer roller way 30 is perpendicular to the conveying direction of the basket returning roller way 10. The transfer table 30 is thus of a linear configuration. In this way, the required transfer table 30 is small in size and footprint, which contributes to space savings.

The transporting direction of the transfer roller table 30 is from the delivery roller table 60 to the basket return roller table 10.

The direction of delivery of transporting the roll table 30 is perpendicular with the direction of delivery of returning basket roll table 10 mutually, in this embodiment, two tip of transporting the roll table 30 dock with the lateral part of the roll table 60 of leaving warehouse and the lateral part of returning basket roll table 10 respectively, the blood basket is carried forward to transporting the roll table 30 along the direction of delivery through the roll table 60 of leaving warehouse, then transport the roll table 30 along the direction of delivery of perpendicular to roll table 60 of leaving warehouse to return basket roll table 10 to the side transport blood basket to returning basket roll table 10, return basket roll table 10 and again transport the blood basket to returning basket roll table 10 along the direction of delivery of perpendicular to transporting the roll table 30.

Optionally, the warehouse returning mechanism further comprises: the turnover table 40 is butted with the basket returning roller way 10 and is used for transferring the empty blood basket 90 on the basket returning roller way 10 to the blood bag stacking mechanism 80 for the basket filling of the blood bag. As shown in connection with fig. 2 and 4.

The turnover table 40 is butted with the basket returning roller way 10, so that the empty blood basket 90 on the basket returning roller way 10 can be directly transferred to the blood bag stacking mechanism 80 for the blood bag basket filling operation.

The automated blood station further comprises a warehousing roller way 70, and the warehousing roller way 70 is used for conveying the fully loaded blood baskets 110 stacked by the blood bag stacking mechanism 80 to a storage warehouse for storage. Wherein, the warehousing roller way 70 and the basket returning roller way 10 are respectively arranged at two sides of the turnover table 40 to avoid interference in the transferring process.

During warehousing, the fully loaded baskets 110 are conveyed to the warehousing roller bed 70 through the turnaround table 40.

In the basket returning process, the empty blood basket 90 is conveyed to the blood bag stacking mechanism 80 through the turnover table 40 to stack the blood bag packaging box containing the blood bag.

Optionally, the revolving table 40 includes a roller way area 402, a first turning area 401 and a second turning area 403, wherein the first turning area 401 and the second turning area 403 are respectively located at two sides of the roller way area 402, and the roller way area 402 is in butt joint with the conveyor belt of the blood bag stacking mechanism 80, so as to transport blood baskets between the revolving table 40 and the blood bag stacking mechanism 80.

The first turning zone 401 is docked with the basket return roller table 10. The empty blood basket 90 is conveyed to the first turning area 401 through the basket returning roller way 10, the conveying direction is adjusted in the first turning area 401, the empty blood basket is conveyed to the roller way area 402, and the empty blood basket is conveyed to the blood bag stacking mechanism 80 through the roller way structure in the roller way area 402.

The second turning area 403 is butted with the warehousing roller way 70. The full-load blood basket 110 is conveyed to the roller way area 402 by the conveying belt of the blood bag stacking mechanism 80, then conveyed to the second turning area 403 by the roller way structure in the roller way area 402, the conveying direction is adjusted in the second turning area 403, and the full-load blood basket is conveyed to the warehousing roller way 70.

Optionally, the basket returning roller way 10 further comprises: the output area 102 is connected with the turnover table 40 in an abutting mode, and a local area is arranged in an upward inclined mode so as to slow down the speed of transferring the empty baskets 90 to the turnover table 40 and prevent the empty baskets 90 from moving out of the turnover table 40 due to too high speed. As shown in connection with fig. 2 and 4.

A partial region of output area 102, which may be a region directly interfacing with turnaround station 40 or another region, is disposed obliquely upward. When the local region of the output area 102 is not in contact with the revolving stage 40, the empty blood basket 90 is decelerated in advance, and then the stability of the transfer to the revolving stage 40 is improved.

The output area 102 interfaces with a first diverting area 401 of the turnaround 40, and empty baskets 90 output from the output area 102 are transported to the first diverting area 401.

It should be noted that the inclination angle of the local area of the output area 102 is not too large, and is suitable for the local area, so as to prevent the conveying pressure of the roller way in the output area 102 from increasing. The tilt angle is not particularly limited herein. The angle of inclination may be sized to take into account a number of factors, such as the weight of the empty basket 90, the speed of delivery of the output area 102, and the height of the output area 102.

Optionally, the warehouse returning mechanism further comprises: a storage part 50 arranged above the basket returning roller table 10 and used for storing a blood basket; the traveling manipulator 20 transfers the empty blood basket 90 between the storage unit 50 and the basket return table 10. When the number of the empty blood baskets 90 on the basket returning roller way 10 is smaller than a first preset value, the walking manipulator part 20 conveys the empty blood baskets 90 in the storage part 50 to the basket returning roller way 10; when the number of the empty blood baskets 90 on the basket returning roller way 10 is greater than or equal to the second preset value, the walking manipulator 20 transports the empty blood baskets 90 on the basket returning roller way 10 to the storage part 50. As shown in connection with fig. 2. The basket returning stations on the basket returning roller table 10 are limited, and when the basket returning stations are all full of empty blood baskets 90, the empty blood baskets 90 outside the storage warehouse cannot enter the storage warehouse. Therefore, the walking manipulator 20 transports the empty blood basket 90 on the basket returning roller way 10 to the storage part 50 for storage, thereby vacating a basket returning station so that the empty blood basket 90 outside the storage warehouse can be returned to the warehouse.

When returning the empty blood baskets 90 to the turnover table 40 through the basket roller way 10 and conveying the empty blood baskets 90 to the blood bag stacking mechanism 80 through the turnover table 40 for stacking and loading, the number of the empty blood baskets 90 on the basket roller way 10 is reduced, and in order not to influence the working efficiency, under the condition that the number of the empty blood baskets 90 on the basket roller way 10 is less than the preset value, the empty blood baskets 90 stored in the storage part 50 are conveyed to the basket roller way 10 through the walking manipulator 20.

It should be noted that, in the present embodiment, the first preset value and the second preset value are not specifically limited, but the first preset value and the second preset value are at least greater than 2. The specific values of the first preset value and the second preset value can be determined at least by referring to the length of the basket returning roller way 10 and the number of basket returning stations.

Optionally, the storage section 50 includes: a first shelf 501 covering part or all of the area of the basket returning roller table 10, wherein the first shelf 501 comprises a plurality of storage stations 502 for placing blood baskets; wherein, the length direction of the first shelf 501 is consistent with the length direction of the basket returning roller way 10.

The baskets are placed by the storage stations 502 of the first shelf 501, wherein a plurality of storage stations 502 are arranged in a matrix for the walking robot 20 to identify and transport the baskets.

Optionally, the bottom or side of the first shelf 501 is fixed to the storage for stability.

Optionally, the first shelf 501 further comprises: the avoiding area 503 is located at the bottom of the first shelf 501, and is used for avoiding an area obliquely arranged in the basket returning roller way 10 so as to avoid affecting the conveying of the empty blood basket 90. As shown in connection with fig. 1.

In this embodiment, the length and height of the first shelf 501 make the most of the space in the storage compartment as possible in order to store a large number of blood baskets. The input area 101 and the output area 102 of the basket returning roller way 10 are located at the bottom of the first shelf 501, the area of the basket returning roller way 10 between the input area 101 and the output area 102 is horizontally arranged, and the empty blood basket 90 does not interfere with the first shelf 501 when being conveyed in the middle area.

The height of the input end of the input area 101 and the height of the output end of the output area 102 are higher than the middle area of the basket returning roller way 10, and then an avoidance area 503 is arranged on the first shelf 501, that is, the area corresponding to the inclined area in the basket returning roller way 10 at the bottom of the first shelf 501 is reduced to the storage station 502 or no storage station 502, so as to avoid the interference of the empty blood basket 90 with the first shelf 501 during the transportation, which affects the transportation.

Optionally, the returning port 100 is provided with a sterilizing device for sterilizing the empty baskets 90 returned from the returning port 100.

The empty blood basket 90 returned to the storage is sterilized by the sterilizing device, so that the blood basket is prevented from being infected outside the storage and influencing the environmental quality in the storage.

Alternatively, the sterilizing device may be an ultraviolet germicidal lamp. The ultraviolet germicidal lamp is disposed at the top of the opening 100 for returning to the storage room and irradiates towards the storage room. When the empty blood basket 90 passes through the return port 100, the ultraviolet germicidal lamp irradiates the empty blood basket 90 for sterilization.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. Automatic change storehouse mechanism of blood station, its characterized in that includes:

the basket returning roller way penetrates through the returning opening and is used for conveying the empty blood basket to return to the warehouse;

the walking manipulator moves along the basket returning roller way and is used for carrying the empty blood basket;

the empty blood baskets outside the storage warehouse are conveyed by the basket returning roller way, pass through the warehouse returning opening and return to the warehouse, and are conveyed to the blood bag stacking mechanism to be bagged, or conveyed to the storage part by the walking mechanical hand part to be stored.

2. The retrieval mechanism of claim 1, wherein the basket return roller table comprises:

and the input area is butted with the returning opening and is arranged downwards from the returning opening so as to accelerate the returning speed of the empty blood basket after passing through the returning opening.

3. The library retrieval mechanism of claim 2, further comprising:

the transfer roller way is positioned outside the warehouse returning port and is in butt joint with an input area of the basket returning roller way;

the transfer roller way is positioned between the basket returning roller way and the ex-warehouse roller way, and after the blood baskets discharged from the ex-warehouse roller way are empty, the blood baskets are transferred to the basket returning roller way through the transfer roller way and returned to the ex-warehouse roller way.

4. The library retrieval mechanism of claim 3,

the conveying direction of the transfer roller way is perpendicular to the conveying direction of the basket returning roller way.

5. The library retrieval mechanism of claim 1, further comprising:

the turnover table is in butt joint with the basket returning roller way and is used for transferring the empty blood basket on the basket returning roller way to the blood bag stacking mechanism for blood bag basket loading.

6. The retrieval mechanism of claim 5, wherein the basket roller way further comprises:

the output area is in butt joint with the turnover table, and the local area is arranged in an upward inclined mode so as to slow down the speed of transferring the empty blood baskets to the turnover table and avoid the empty blood baskets from moving out of the turnover table due to the fact that the speed is too high.

7. The retrieval mechanism of claim 1, further comprising:

the storage part is arranged above the basket returning roller way and is used for storing a blood basket;

the walking manipulator carries empty blood baskets between the storage part and the basket returning roller way, and carries the empty blood baskets in the storage part to the basket returning roller way under the condition that the number of the empty blood baskets on the basket returning roller way is less than a first preset value; and under the condition that the number of the empty blood baskets on the basket returning roller way is greater than or equal to a second preset value, the walking mechanical arm part conveys the empty blood baskets on the basket returning roller way to the storage part.

8. The library retrieval mechanism of claim 7, wherein the storage section comprises:

the first shelf covers part or all of the area of the basket returning roller way, and comprises a plurality of storage stations for placing blood baskets;

the length direction of the first shelf is consistent with that of the basket returning roller way.

9. The retrieval mechanism of claim 8, wherein the first shelf further comprises:

and the avoidance area is positioned at the bottom of the first goods shelf and used for avoiding the area obliquely arranged in the basket returning roller way so as to avoid influencing the conveying of the empty blood basket.

10. The library retrieval mechanism of any one of claims 1 to 9,

and the warehouse returning port is provided with a disinfection device which is used for disinfecting and sterilizing the empty blood baskets returned from the warehouse returning port.

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