CN113581817A

CN113581817A - Heparin tube loading attachment and heparin tube sorting machine

Info

Publication number: CN113581817A
Application number: CN202110947287.9A
Authority: CN
Inventors: 林泽剑; 植立才; 曾安; 涂贻兰; 王治才
Original assignee: Guangzhou Labsim Biotech Co Ltd
Current assignee: Guangzhou Labsim Biotech Co Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-11-02

Abstract

The invention discloses a blood collection tube feeding device and a blood collection tube sorting machine, wherein a separating mechanism in the blood collection tube feeding device comprises a lifting table and a fixing table, the lifting table and the fixing table are alternately arranged in the horizontal direction and jointly form a step structure, all the lifting tables can integrally lift or descend, so that the top surfaces of the lifting tables can move to the height of the top surfaces of the adjacent fixing tables, the top surfaces of the lifting tables and the top surfaces of the fixing tables incline to the same side, after the lifting tables lift, blood collection tubes are transferred from the lifting tables to the adjacent fixing tables, after the transfer is completed, the lifting tables descend and reset, and the blood collection tubes are transferred from the fixing tables to the adjacent lifting tables and continuously circulate. The heparin tube is located the lowest of stair structure when getting into separating mechanism from the charging conduit, then removes and finally gets into push mechanism to stair structure's highest step by step, realizes the automatic high-efficient separation of heparin tube, reduces personnel intensity of labour.

Description

Heparin tube loading attachment and heparin tube sorting machine

Technical Field

The invention relates to the technical field of medical instruments, in particular to a blood collection tube feeding device and a blood collection tube sorting machine.

Background

The heparin tube is the medical instrument who is used for preserving blood sample, and medical institution often needs to inspect a large amount of blood samples, and the information label that marks has different on every different heparin tube, and medical personnel need classify the heparin tube according to the inspection project information of difference, then puts the heparin tube after classifying to the detection room or the check-out test set that correspond go the inspection. The current blood collection tube generally adopts manual work to classify, and the speed of manual classification is slow, inefficiency, accidental error are big, can't satisfy the needs that a large amount of samples detected.

Disclosure of Invention

The invention aims to provide a blood collection tube feeding device and a blood collection tube sorting machine, which can be used for efficiently separating blood collection tubes and facilitating the classification of the blood collection tubes.

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

on the one hand, the blood collection tube feeding device comprises a blanking groove, a separating mechanism and a pushing mechanism, wherein the separating mechanism separates blood collection tubes in the blanking groove and supplies the separated blood collection tubes to the pushing mechanism, the separating mechanism comprises a first support and a lifting assembly arranged on the first support, the blanking groove and the pushing mechanism are both connected with the first support, the lifting assembly comprises at least two lifting tables, the top surfaces of the lifting tables can support the blood collection tubes, the lifting tables are arranged at intervals in the horizontal direction and can keep synchronous movement, the top surfaces of the lifting tables are all located at different heights, the first support comprises at least two fixing tables, the top surfaces of the fixing tables can support the blood collection tubes, the top surfaces of the fixing tables are all located at different heights, and one fixing table is arranged between every two adjacent lifting tables, the top surface of elevating platform with the top surface of fixed station all inclines to same one side, the top surface of elevating platform can move to rather than adjacent the position that the top surface of fixed station was located, makes the heparin tube follow the elevating platform shifts to adjacent on the fixed station, or makes the heparin tube follow the fixed station shifts to adjacent on the elevating platform.

As a preferable scheme of the present invention, the lifting assembly further includes a connecting member and a first driving unit, the lifting table is fixed to the connecting member, the connecting member is connected to the first driving unit, and the fixing table is provided with an avoidance groove for the connecting member to move.

As a preferable aspect of the present invention, the first driving unit includes a first slider, a first guide, and a first driving member, the first guide is fixed to the first bracket, the first driving member is connected to the first guide, the first driving member can drive the first slider to reciprocate on the first guide, and the connecting member is fixed to the first slider.

As a preferable scheme of the present invention, the connecting member or the first slider is provided with a blocking piece, both ends of the guiding member are provided with the groove-shaped photoelectric switch, and the blocking piece can be inserted into a groove of the groove-shaped photoelectric switch.

As a preferable scheme of the present invention, the first support further includes two side plates disposed oppositely, two sides of the fixed platform are respectively connected to one of the side plates, and one side of the side plate away from the fixed platform is connected to the pushing mechanism.

As a preferable scheme of the present invention, the pushing mechanism includes a second bracket, a hinge shaft, and a fastening member, the side plate is provided with a first hinge hole and a first fixing hole, the second bracket is provided with a second hinge hole and a second fixing hole, the hinge shaft passes through the first hinge hole and the second hinge hole, the fastening member is disposed in the first fixing hole and the second fixing hole, and the first fixing hole and/or the second fixing hole are waist-shaped holes.

As a preferable scheme of the present invention, the pushing mechanism further includes a tube rack and a limiting plate, the tube rack is disposed on the second support, the tube rack is close to the separating mechanism, the tube rack is provided with a strip-shaped groove for moving the blood collection tube, the limiting plate forms a guide groove above the strip-shaped groove, a cross-sectional shape of the guide groove is an inverted trapezoid, and a length of the strip-shaped groove is greater than a length of the guide groove.

As a preferable scheme of the present invention, the pushing mechanism further includes a pushing plate and a second driving unit, the second driving unit includes a second slider, a second guide and a second driving member, the second guide is fixed to the pipe frame, the second driving member is disposed on the second guide, the second driving member can drive the second slider to reciprocate on the second guide, and the pushing plate is fixed to the second slider and can reciprocate in the strip-shaped groove and the guide groove.

As a preferable aspect of the present invention, the pushing mechanism further includes a sensor, the sensor is fixed to the tube frame, and the sensor is configured to detect whether a blood collection tube is present in the strip groove.

On the other hand provides a heparin tube sorting machine, including feedway and above-mentioned arbitrary technical scheme heparin tube loading attachment, feedway includes feed bin and conveyer belt, the feed bin sets up the conveyer belt top, the charging conduit sets up the below of conveyer belt output.

The invention has the beneficial effects that:

the separating mechanism in the blood sampling tube feeding device comprises a lifting table and a fixing table, wherein the lifting table and the fixing table are alternately arranged in the horizontal direction and form a step structure together, all the lifting tables can integrally lift or descend, so that the top surfaces of the lifting tables can move to the height of the top surfaces of the adjacent fixing tables, the top surfaces of the lifting tables and the top surfaces of the fixing tables incline towards the same side, after the lifting tables lift, the blood sampling tubes are transferred to the adjacent fixing tables from the lifting tables, after the transfer is completed, the lifting tables descend and reset, and the blood sampling tubes are transferred to the adjacent lifting tables from the fixing tables and continuously circulate. The heparin tube is located the lowest of stair structure when getting into separating mechanism from the charging conduit, then removes and finally gets into push mechanism to stair structure's highest step by step, realizes the automatic high-efficient separation of heparin tube, reduces personnel intensity of labour.

Drawings

Fig. 1 is a perspective view of a blood collection tube loading device according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a perspective view of a blood collection tube sorting machine according to an embodiment of the present invention;

FIG. 4 is an exploded view of a detachment mechanism according to one embodiment of the present invention;

FIG. 5 is a side view of the lift platform of the detaching mechanism of one embodiment of the present invention before it is raised;

FIG. 6 is a view of the lift table of FIG. 5 after it has been raised;

FIG. 7 is an exploded view of a first bracket according to an embodiment of the present invention;

FIG. 8 is a perspective view of the pushing mechanism of FIG. 1;

FIG. 9 is a front view of FIG. 8;

FIG. 10 is a perspective view of the pushing mechanism of FIG. 1 from another angle.

In the figure:

1. a charging chute; 2. a separating mechanism; 21. a first bracket; 211. a first fixed table; 2111. a first avoidance slot; 212. a second stationary stage; 2121. a second avoidance slot; 213. a side plate; 2131. a first hinge hole; 2132. a first fixing hole; 22. a lifting assembly; 221. a first elevating platform; 222. a second lifting table; 223. a connecting member; 2231. a first segment; 2232. a second section; 224. a first drive unit; 2241. a first slider; 2242. a first guide member; 2243. a first driving member; 22431. a first motor; 22432. a first lead screw; 2244. a first baffle plate; 2245. a first groove-type photoelectric switch;

3. a pushing mechanism; 31. a second bracket; 311. a second hinge hole; 312. a second fixing hole; 32. hinging a shaft; 33. a screw; 34. a pipe frame; 341. a strip-shaped groove; 35. a limiting plate; 351. a guide groove; 36. a second driving unit; 361. a second slider; 362. a second guide member; 363. a second driving member; 3631. a second motor; 3632. a second lead screw; 364. a second baffle plate; 365. a second groove-type photoelectric switch; 37. pushing the plate; 38. a buffer block; 39. a sensor; 4. a storage bin; 5. a conveyor belt;

100. a blood collection tube; 101. a pipe cap; 102. a tube body.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

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 word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1 and 2, a blood collection tube loading device according to an embodiment of the present invention includes a chute 1, a separating mechanism 2, and a pushing mechanism 3, and the separating mechanism 2 separates a blood collection tube 100 in the chute 1 and supplies the separated blood collection tube to the pushing mechanism 3. Fig. 3 shows a blood collection tube sorting machine according to an embodiment of the present invention, which includes a feeding device and the blood collection tube feeding device shown in fig. 1, the feeding device includes a bin 4 and a conveyor belt 5, the bin 4 is disposed above the conveyor belt 5, and the blanking slot 1 is disposed below an output end of the conveyor belt 5. During a large amount of heparin tubes 100 carried silo 1 through conveyer belt 5 in feed bin 4, the heparin tubes 100 in silo 1 was separated by separating mechanism 2 again, carried heparin tubes 100 one by one to push mechanism 3 on, push mechanism 3 was again with heparin tubes 100 propelling movement to assigned position. After the blood collection tube 100 reaches a predetermined position on the pushing mechanism 3, the blood collection tube 100 may be grasped and sorted by a robot (not shown) or the like. Bar code or two-dimensional code can be pasted on heparin tube 100 surface, can set up the sign indicating number step of sweeping at the manipulator transfer heparin tube 100's in-process for heparin tube 100 is placed on the test-tube rack that corresponds according to the classification.

As shown in fig. 4, the separating mechanism 2 includes a first bracket 21 and an elevating assembly 22 disposed on the first bracket 21, the chute 1 and the pushing mechanism 3 are both connected to the first bracket 21, the elevating assembly 22 includes a first elevating platform 221 and a second elevating platform 222, top surfaces of the first elevating platform 221 and the second elevating platform 222 can support the blood collection tube 100, the first elevating platform 221 and the second elevating platform 222 are spaced apart and move synchronously in a horizontal direction, top surfaces of the first elevating platform 221 and the second elevating platform 222 are at different heights, the first bracket 21 includes a first fixing platform 211 and a second fixing platform 212, top surfaces of the first fixing platform 211 and the second fixing platform 212 can support the blood collection tube 100, top surfaces of the first fixing platform 211 and the second fixing platform 212 are at different heights, and the first fixing platform 211 is disposed between the first elevating platform 221 and the second elevating platform 222, thereby forming a step structure, the top surfaces of the first fixing table 211, the second fixing table 212, the first elevating table 221, and the second elevating table 222 are all inclined to the same side.

As shown in fig. 5, the first lifting platform 221 and the second lifting platform 222 are at the initial position, the top surface of the first lifting platform 221 is located below the top surface of the first fixing platform 211, the top surface of the second lifting platform 222 is flush with the top surface of the first fixing platform 211, the top surface of the second fixing platform 212 is higher than the top surface of the second lifting platform 222, due to gravity, the blood collection tube 100 located at a high position stays on the top surface of the second lifting platform 222 instead of the top surface of the first fixing platform 211 and leans against the side surface of the second fixing platform 212, and the blood collection tube 100 located at a low position stays on the top surface of the first lifting platform 221 and leans against the side surface of the first fixing platform 211.

As shown in fig. 6, when the first elevating platform 221 and the second elevating platform 222 are raised, the top surface of the first elevating platform 221 moves to a position flush with the top surface of the first fixing platform 211 (not necessarily completely flush, allowing a certain height difference to occur), and the blood collection tube 100 rolls from the top surface of the first fixing platform 211 to the top surface of the first fixing platform 211 by itself due to gravity, thereby raising the position of the blood collection tube 100. At the same time, the top surface of the second lifting platform 222 also moves to a position flush with the top surface of the second fixing platform 212, and due to the gravity, the blood collection tube 100 rolls from the top surface of the second lifting platform 222 to the top surface of the second fixing platform 212 by itself, and then rolls into the pushing mechanism 3 from the top surface of the second fixing platform 212. Since the first lifting platform 221 and the second lifting platform 222 move synchronously, the lifting and transferring processes of the two blood collection tubes 100 are also synchronous, when the blood collection tubes 100 are separated from the first lifting platform 221 and the second lifting platform 222, the first lifting platform 221 and the second lifting platform 222 are lowered to return to the initial positions shown in fig. 5, at this time, one blood collection tube 100 is reloaded on the first lifting platform 221, and the second lifting platform 222 transfers the blood collection tube 100 from the first lifting platform 221 to the first fixing platform 211 before loading, so that the blood collection tubes 100 are lifted up step by step.

It should be noted that the number of the lifting table and the number of the fixing table in the embodiment are only two, which is a case of the simplest structure in the embodiment. In other embodiments, the number of the lifting platforms and the fixing platforms is three or more, and the lifting platforms and the fixing platforms are still arranged in a staggered mode to form a step structure. No matter how many the number of the lifting platforms and the fixing platforms, the blood collection tubes 100 are always conveyed to the pushing mechanism 3 one by one, and only the number of the blood collection tubes 100 that can be accommodated simultaneously on the lifting assembly 22 is different, so that the arrangement of two lifting platforms and two fixing platforms is a preferable embodiment.

Separating mechanism 2 in the blood sampling tube loading attachment of this embodiment includes elevating platform and fixed station, elevating platform and fixed station alternate arrangement in the horizontal direction and form the stair structure jointly, whole elevating platform can wholly rise or descend, thereby make the top surface of elevating platform can move to the height that the top surface of adjacent fixed station was located, because the top surface of elevating platform and the top surface of fixed station all incline to same side, after the elevating platform rises, blood sampling tube 100 shifts to adjacent fixed station from the elevating platform, this time shifts to accomplish the back, the elevating platform descends and resets, blood sampling tube 100 shifts to adjacent elevating platform from the fixed station, the endless circulation. Heparin tube 100 is located the lowest of stair structure when getting into separating mechanism 2 from silo 1, then removes and finally gets into push mechanism 3 to the highest of stair structure step by step, realizes heparin tube 100's automatic high-efficient separation, reduces personnel intensity of labour.

As shown in fig. 4, the lifting assembly 22 further includes a connecting member 223 and a first driving unit 224, the first lifting platform 221 and the second lifting platform 222 are both fixed on the connecting member 223, the connecting member 223 is connected with the first driving unit 224, the first fixing platform 211 is provided with a first avoiding groove 2111 for the connecting member 223 to move, and the second fixing platform 212 is provided with a second avoiding groove 2121 for the connecting member 223 to move. Since the first elevating platform 221 and the second elevating platform 222 are spaced apart from each other in the horizontal direction and the first fixing platform 211 is disposed between the first elevating platform 221 and the second elevating platform 222, in order to prevent the first fixing platform 211 from blocking the movement of the connecting member 223, a first escape groove 2111 needs to be formed in the first fixing platform 211. Whether the second escape groove 2121 of the second fixed stage 212 needs to be opened depends on the form of the connecting member 223, and in other embodiments, the second escape groove 2121 is not opened in the second fixed stage 212.

Further, the first driving unit 224 includes a first sliding block 2241, a first guide 2242 and a first driving member 2243, the first guide 2242 is fixed on the first support 21, the first driving member 2243 is connected to the first guide 2242, the first driving member 2243 can drive the first sliding block 2241 to reciprocate on the first guide 2242, and the connecting member 223 is fixed on the first sliding block 2241. Specifically, as shown in fig. 5, the connecting member 223 includes a first segment 2231 and a second segment 2232, the first lifting platform 221 and the second lifting platform 222 are fixed to the first segment 2231, and the first segment 2231 and the first sliding block 2241 are connected to the second segment 2232. As shown in fig. 6, in the present embodiment, the first driving member 2243 includes the first motor 22431 and the first lead screw 22432, and the first lead screw 22432 and the first sliding block 2241 form a ball screw assembly, so that the first sliding block 2241 can be precisely moved, and the first lifting table 221 and the second lifting table 222 can also be precisely moved. In this embodiment, the first guide member 2242 is a slide rail, the first guide member 2242 may also be a guide bar or other forms, and the first driving member 2243 may also select a timing belt or a sprocket transmission or other forms to reciprocate the first slide block 2241.

Furthermore, a first blocking piece 2244 is arranged on the connecting piece 223, a first groove-type photoelectric switch 2245 is arranged at each end of the first guiding piece 2242, and the first blocking piece 2244 can be inserted into a groove of the first groove-type photoelectric switch 2245. Since the positions of the first fixing table 211 and the second fixing table 212 are constant, and the positions at which the first elevating table 221 and the second elevating table 222 stop each time they ascend or descend are also constant, the stop position of the first slider 2241 also needs to be determined more accurately. Through setting up first separation blade 2244 and first cell type photoelectric switch 2245, can instruct first driving piece 2243 whether to need stop the action to make the comparatively accurate stop of first slider 2241 in the exact position. The first blocking pieces 2244 and the first slot-type photoelectric switches 2245 in this embodiment are two in number, and one first blocking piece 2244 and one first slot-type photoelectric switch 2245, which are not shown in the drawing, are located at the other side of the first guide member 2242, and thus cannot be seen from the drawing. The first blocking piece 2244 may also be provided on the first slider 2241.

As shown in fig. 7, the first bracket 21 further includes two side plates 213 disposed oppositely, two sides of the first fixing table 211 and the second fixing table 212 are respectively connected to one side plate 213, and one side of the side plate 213 away from the first fixing table 211 and the second fixing table 212 is connected to the pushing mechanism 3. The first fixing table 211 and the second fixing table 212 connect the two side plates 213 to form a stable first bracket 21, and the side plates 213 are fixed by being connected with the pushing mechanism 3, so that the whole separating mechanism 2 can be fixed on the pushing mechanism 3.

Specifically, as shown in fig. 8, the pushing mechanism 3 includes a second bracket 31, a hinge shaft 32 and a screw 33, as shown in fig. 7, a first hinge hole 2131 and a first fixing hole 2132 are provided on the side plate 213, a second hinge hole 311 and a second fixing hole 312 are provided on the second bracket 31, the hinge shaft 32 passes through the first hinge hole 2131 and the second hinge hole 311, the screw 33 is provided in the first fixing hole 2132 and the second fixing hole 312, and the second fixing hole 312 is a waist-shaped hole. Because the second fixing hole 312 is a waist-shaped hole, the separating mechanism 2 can adjust the inclination angle of the separating mechanism itself fixed on the second bracket 31, so that the top surfaces of the first fixing table 211, the second fixing table 212, the first lifting table 221 and the second lifting table 222 are all inclined to the same side, and the blood collection tube 100 can be transferred by gravity. Of course, the top surface of the separation mechanism 2 may be inclined to the same side even if it is not installed obliquely by changing the configurations of the first fixing base 211, the second fixing base 212, the first elevating base 221, and the second elevating base 222 themselves.

Further, the pushing mechanism 3 further includes a tube rack 34 and a limiting plate 35, the tube rack 34 is disposed on the second support 31, the tube rack 34 is close to the separating mechanism 2, a strip-shaped groove 341 for moving the blood collection tube 100 is disposed on the tube rack 34, as shown in fig. 9, the limiting plate 35 forms a guide groove 351 above the strip-shaped groove 341, the cross-sectional shape of the guide groove 351 is an inverted trapezoid, and the length of the strip-shaped groove 341 is greater than the length of the guide groove 351. The top parallel and level of the limit edge of limiting plate 35 and second fixed station 212, the blood sampling tube 100 of following the output of separating mechanism 2 can roll into guide slot 351 along limiting plate 35 earlier, then gets into in the bar groove 341 and becomes vertical state again, and whole in-process blood sampling tube 100 can not receive serious impact. The blood collection tube 100 includes a cap 101 and a tube body 102, and the width of the strip groove 341 is larger than the diameter of the tube body 102 but smaller than the diameter of the cap 101, so that the blood collection tube 100 can be hung on the holder 34. The length of guide groove 351 is less than the length of bar groove 341, and after heparin tube 100 reached the assigned position, its both sides can not be sheltered from by limiting plate 35, are convenient for snatch heparin tube 100.

As shown in fig. 8 to 10, the pushing mechanism 3 further includes a second driving unit 36 and a push plate 37, the second driving unit 36 includes a second slider 361, a second guide 362 and a second driving member 363, the second guide 362 is fixed on the pipe frame 34, the second driving member 363 is disposed on the second guide 362, the second driving member 363 can drive the second slider 361 to reciprocate on the second guide 362, and the push plate 37 is fixed on the second slider 361 and can reciprocate in the strip-shaped groove 341 and the guide groove 351. The push plate 37 needs to push the blood collection tube 100 to the end of the strip groove 341, but cannot largely press the blood collection tube 100, and therefore, the stop position of the push plate 37 has a high accuracy requirement. Similar to the first driving unit 224, the second driving member 363 includes a second motor 3631 and a second lead screw 3632, and the second motor 3631 drives the second lead screw 3632 to rotate so as to realize the precise reciprocating motion of the second slider 361 on the second guiding member 362. In addition, the second blocking piece 364 is arranged on the second sliding block 361, and the second groove-shaped photoelectric switch 365 is arranged at two ends of the second guide 362, so that an instruction can be provided for the operation of the second motor 3631, and the second sliding block 361 and the push plate 37 can be accurately stopped at a preset position. As shown in fig. 10, in order to reduce the impact on the blood collection tube 100, a buffer block 38 is further provided on the tube holder 34, the buffer block 38 is made of a material such as rubber or silica gel, and after the blood collection tube 100 is pushed to the proper position by the push plate 37, the tube body 102 of the blood collection tube 100 is in contact with the buffer block 38 instead of directly contacting the tube holder 34, thereby reducing the impact on the blood collection tube 100.

Further, the pushing mechanism 3 further includes a sensor 39, the sensor 39 is fixed to the tube holder 34, and the sensor 39 is configured to detect whether the blood collection tube 100 is present in the strip groove 341. In the present embodiment, the sensor 39 is a correlation type photoelectric sensor, and therefore, one sensor 39 is provided at each end of the pipe frame 34. Since the blood collection tube 100 enters the strip groove 341, when there is no blood collection tube 100 in the strip groove 341, the push plate 37 cannot move and needs to be kept at the initial position, and after the blood collection tube 100 enters the strip groove 341, the light path of the sensor 39 is blocked, so as to generate a signal for actuating the second driving unit 36, and the push plate 37 starts to move.

Reference throughout this specification to the description of the term "preferred" or the like means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only intended to illustrate the details of the invention, which is not limited to the above details, i.e. it is not intended that the invention must be implemented in such detail. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.

Claims

1. A blood collection tube feeding device is characterized by comprising a blanking groove, a separating mechanism and a pushing mechanism, wherein the separating mechanism supplies blood collection tubes in the blanking groove to the pushing mechanism after being separated, the separating mechanism comprises a first support and a lifting assembly arranged on the first support, the blanking groove and the pushing mechanism are connected with the first support, the lifting assembly comprises at least two lifting tables, the top surfaces of the lifting tables can support the blood collection tubes, the lifting tables are arranged at intervals in the horizontal direction and can synchronously move, the top surfaces of the lifting tables are all located at different heights, the first support comprises at least two fixing tables, the top surfaces of the fixing tables can support the blood collection tubes, the top surfaces of the fixing tables are located at different heights, and one fixing table is arranged between every two adjacent lifting tables, the top surface of elevating platform with the top surface of fixed station all inclines to same one side, the top surface of elevating platform can move to rather than adjacent the position that the top surface of fixed station was located, makes the heparin tube follow the elevating platform shifts to adjacent on the fixed station, or makes the heparin tube follow the fixed station shifts to adjacent on the elevating platform.

2. A blood collection tube loading device according to claim 1, wherein the lifting assembly further comprises a connecting member and a first driving unit, the lifting table is fixed on the connecting member, the connecting member is connected with the first driving unit, and an avoiding groove for the connecting member to move is formed in the fixing table.

3. A loading device for blood collection tubes according to claim 2, wherein the first driving unit comprises a first slider, a first guiding member and a first driving member, the first guiding member is fixed on the first bracket, the first driving member is connected with the first guiding member, the first driving member can drive the first slider to move back and forth on the first guiding member, and the connecting member is fixed on the first slider.

4. A loading device for blood collection tubes according to claim 3, wherein a blocking piece is provided on the connecting member or the first sliding block, a groove-shaped photoelectric switch is provided at each of two ends of the guiding member, and the blocking piece can be inserted into a groove of the groove-shaped photoelectric switch.

5. A blood collection tube feeding device according to claim 1, wherein the first support further comprises two side plates which are oppositely arranged, two sides of the fixing table are respectively connected with one of the side plates, and one side of the side plate, which faces away from the fixing table, is connected with the pushing mechanism.

6. A blood collection tube feeding device according to claim 5, wherein the pushing mechanism comprises a second bracket, a hinge shaft and a fastening piece, the side plate is provided with a first hinge hole and a first fixing hole, the second bracket is provided with a second hinge hole and a second fixing hole, the hinge shaft penetrates through the first hinge hole and the second hinge hole, the fastening piece is arranged in the first fixing hole and the second fixing hole, and the first fixing hole and/or the second fixing hole are waist-shaped holes.

7. The blood collection tube feeding device according to claim 6, wherein the pushing mechanism further comprises a tube rack and a limiting plate, the tube rack is arranged on the second support, the tube rack is close to the separating mechanism, a strip-shaped groove for moving the blood collection tubes is formed in the tube rack, the limiting plate forms a guide groove above the strip-shaped groove, the guide groove is inverted trapezoidal in cross section, and the length of the strip-shaped groove is greater than that of the guide groove.

8. A blood collection tube feeding device according to claim 7, wherein the pushing mechanism further comprises a pushing plate and a second driving unit, the second driving unit comprises a second sliding block, a second guide member and a second driving member, the second guide member is fixed on the tube frame, the second driving member is disposed on the second guide member, the second driving member can drive the second sliding block to reciprocate on the second guide member, and the pushing plate is fixed on the second sliding block and can reciprocate in the strip-shaped groove and the guide groove.

9. A blood collection tube loading device according to claim 7, wherein the pushing mechanism further comprises a sensor fixed to the tube holder, the sensor being configured to detect whether a blood collection tube is present in the strip groove.

10. A blood collection tube sorting machine, comprising a feeding device and a blood collection tube feeding device according to any one of claims 1 to 9, wherein the feeding device comprises a bin and a conveyor belt, the bin is arranged above the conveyor belt, and the blanking tank is arranged below the output end of the conveyor belt.