CN110980246B

CN110980246B - Test tube pushing and rail transferring system and rail transferring method

Info

Publication number: CN110980246B
Application number: CN201911277357.3A
Authority: CN
Inventors: 宋光兰; 闻智锋
Original assignee: Individual
Current assignee: Song Guanglan
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-04-27
Anticipated expiration: 2039-12-13
Also published as: CN110980246A

Abstract

The invention relates to a test tube pushing and rail transferring system and a rail transferring method. Test tube propelling movement becomes rail system includes the supporter, pushes away the pipe fitting, becomes the rail body and becomes the rail subassembly, set up a plurality of parallel ejector sleeve passageways on the supporter, ejector sleeve install in on the lateral wall of supporter for reciprocal propelling movement the test tube in a plurality of ejector sleeve passageways, the one end of supporter is become the rail end, become the side below of rail end and be provided with the guide rail, become the rail body set up with sliding on the guide rail, become and seted up a plurality of orbital passageways on the rail body, a plurality of orbital passageways respectively with a plurality of ejector sleeve passageways correspond and communicate with each other. The test tube propelling movement becomes orbital system's orbital transfer precision is higher.

Description

Test tube pushing and rail transferring system and rail transferring method

Technical Field

The invention relates to a test tube pushing and rail transferring system and a rail transferring method.

Background

In the pushing process of the test tube, the test tube is often required to be pushed by a pushing device. For example, a plurality of test tubes are inserted into a plurality of test tube holders, respectively, and then pushing of the test tubes is performed by pushing the plurality of test tube holders. When needs become the rail, become the rail body through horizontal propelling movement for relative with pusher dislocation, again will reversely push in a plurality of test tube seats in the pusher, then realize the transition of test tube. However, due to the lack of the positioning device, the distance of the track-changing body moving transversely changes after long-term use, and an accumulated error is generated, so that the multiple passing grooves on the track-changing body are misaligned with the multiple passing grooves on the pushing device, and the track-changing precision is affected.

Disclosure of Invention

Therefore, it is necessary to provide a test tube pushing and rail changing system and a rail changing method with high rail changing precision.

A test tube pushing and rail changing system is characterized by comprising a supporting body, a pushing pipe fitting, a rail changing body and a rail changing assembly, wherein a plurality of parallel pushing pipe channels are formed in the supporting body, the pushing pipe fitting is installed on the side wall of the supporting body and used for pushing test tubes in the plurality of pushing pipe channels in a reciprocating mode, one end of the supporting body is a rail changing end, a guide rail is arranged below the side of the rail changing end, the rail changing body is slidably arranged on the guide rail, a plurality of rail changing channels are formed in the rail changing body and are respectively communicated with the plurality of pushing pipe channels, the rail changing assembly comprises an L-shaped positioning frame, a rail changing motor and a rail changing frame, the L-shaped positioning frame and the rail changing motor are respectively installed on two opposite sides of the rail changing end, the rail changing frame is installed on an output shaft of the rail changing motor, and the rail changing motor is used for pushing the rail changing body to move along the guide rail through the rail changing frame, so that the rail transfer channel on the rail transfer body is correspondingly communicated with the other adjacent push pipe channel, and the L-shaped positioning frame is used for abutting and positioning the rail transfer body.

In one embodiment, the L-shaped positioning frame includes a fixing plate and a positioning plate perpendicular to each other, and the fixing plate is fixed on the track-changing end of the supporting body.

In one embodiment, the fixing plate is perpendicular to the push tube channel, and the positioning plate is parallel to the push tube channel.

In one embodiment, the bottom of each test tube is inserted into a test tube holder, and the test tube holder is slidably disposed in the corresponding tube pushing channel.

In one embodiment, the orbital transfer assembly further comprises a mounting frame and a connecting frame, the mounting frame is mounted on one side, away from the L-shaped positioning frame, of the orbital transfer end, the orbital transfer motor is mounted on the mounting frame, and the connecting frame is mounted on an output shaft of the orbital transfer motor.

In one embodiment, the track transfer assembly further comprises a vertical motor, the mounting frame and the connecting frame are both L-shaped, the vertical motor is mounted at the tail end of the connecting frame, and the track transfer frame is mounted on an output shaft of the vertical motor.

The orbital transfer method adopting the test tube pushing orbital transfer system comprises the following steps:

the tube pushing piece pushes the test tubes in the plurality of tube pushing channels to move towards the rail transfer end along a first direction, so that the test tubes move into the plurality of rail transfer channels on the rail transfer body respectively;

the track transfer motor pushes the track transfer body to move along the guide rail through the track transfer frame, so that a track transfer channel on the track transfer body is correspondingly communicated with another adjacent push pipe channel, and the track transfer body is positioned by abutting against the L-shaped positioning frame; and

the pushing piece pushes the test tube in one of the tube pushing channels to be far away from the track changing end along a second direction, and the second direction is opposite to the first direction.

When the test tube pushing rail transfer system is used, the tube pushing part pushes the test tubes in the plurality of tube pushing channels to move towards the rail transfer end along a first direction, so that the plurality of test tubes move into the plurality of rail transfer channels on the rail transfer body respectively. The track transfer motor pushes the track transfer body to move along the guide rail through the track transfer frame, so that a track transfer channel on the track transfer body is correspondingly communicated with another adjacent push pipe channel, and the track transfer body is positioned by abutting against the L-shaped positioning frame. The pushing piece pushes the test tube in one of the tube pushing channels to be far away from the track changing end along a second direction, and the second direction is opposite to the first direction. Because the support body is provided with the L-shaped positioning frame, the rail transfer body can be positioned by the L-shaped positioning frame, and the rail transfer precision is improved.

Drawings

Fig. 1 is a schematic perspective view of a test tube pushing and rail changing system according to an embodiment.

Fig. 2 is a top view of the test tube pushing and rail changing system shown in fig. 1.

Fig. 3 is a perspective view of another view of the test tube pushing and rail changing system shown in fig. 1.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is an enlarged view of a part of the structure of the test tube pushing and rail changing system shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention relates to a test tube pushing and rail transferring system. Test tube propelling movement becomes rail system includes the supporter, pushes away the pipe fitting, becomes the rail body and becomes the rail subassembly. For example, a plurality of parallel push pipe channels are formed in the support body, the push pipe fitting is mounted on the side wall of the support body and used for pushing test tubes in the push pipe channels in a reciprocating mode, and one end of the support body is a track changing end. For example, a guide rail is arranged below the side of the rail transfer end, the rail transfer body is slidably arranged on the guide rail, a plurality of rail transfer channels are formed in the rail transfer body, and the rail transfer channels are respectively communicated with the plurality of push pipe channels correspondingly. For example, the track transfer assembly comprises an L-shaped positioning frame, a track transfer motor and a track transfer frame, wherein the L-shaped positioning frame and the track transfer motor are respectively arranged on two opposite sides of the track transfer end. For example, the orbital transfer frame is mounted on an output shaft of the orbital transfer motor, and the orbital transfer motor is used for pushing the orbital transfer body to move along the guide rail through the orbital transfer frame, so that an orbital transfer channel on the orbital transfer body is correspondingly communicated with another adjacent push pipe channel. For example, the L-shaped positioning frame is used for abutting and positioning the track transformer body.

Referring to fig. 1 to 5, a test tube pushing and rail changing system includes a supporting body 10, a pushing pipe (not shown), a rail changing body 20 and a rail changing assembly 30, wherein the supporting body 10 is provided with a plurality of parallel pushing pipe channels 11, the pushing pipe is mounted on a side wall of the supporting body 10 for pushing test tubes in the plurality of pushing pipe channels 11 in a reciprocating manner, one end of the supporting body 10 is a rail changing end 12, a guide rail (not shown) is disposed below a side of the rail changing end 12, the rail changing body 20 is slidably disposed on the guide rail, the rail changing body 20 is provided with a plurality of rail changing channels 201, the plurality of rail changing channels 201 are respectively communicated with the plurality of pushing pipe channels 11, the rail changing assembly 30 includes an L-shaped positioning frame 31, a rail changing motor 32 and a rail changing frame 33, the L-shaped positioning frame 31 and the rail changing motor 32 are respectively mounted on two opposite sides of the rail changing end 12, the track transfer frame 33 is installed on an output shaft of the track transfer motor 32, the track transfer motor 32 is configured to push the track transfer body 20 to move along the guide track through the track transfer frame 33, so that the track transfer channel 201 on the track transfer body 20 is correspondingly communicated with another adjacent pipe pushing channel 11, and the L-shaped positioning frame 31 is configured to abut against and position the track transfer body 20.

For example, when the test tube pushing and transferring system is used, the tube pushing member pushes the test tubes in the plurality of tube pushing channels 11 to move towards the transferring end 12 in a first direction, so that the plurality of test tubes move into the plurality of transferring channels 201 on the transferring body 20, respectively. The track transfer motor 32 pushes the track transfer body 20 to move along the guide track through the track transfer frame 33, so that the track transfer channel 201 on the track transfer body 20 is correspondingly communicated with the adjacent other push pipe channel 11, and the track transfer body 20 is abutted and positioned by the L-shaped positioning frame 31. The pusher pushes the test tube in one of the push tube channels 11 away from the derailing end 12 in a second direction, which is opposite to the first direction. Because the support body 10 is provided with the L-shaped positioning frame 31, the track changing body 20 can be positioned by the L-shaped positioning frame 31, and the track changing precision is improved.

For example, in order to facilitate the smooth movement of the test tubes, the L-shaped positioning rack 31 includes a fixing plate 311 and a positioning plate 312 perpendicular to each other, and the fixing plate 311 is fixed on the track-changing end 12 of the supporting body 10. The fixing plate 311 is perpendicular to the tube pushing channel 11, and the positioning plate 312 is parallel to the tube pushing channel 11. The bottom of each test tube is inserted into a test tube seat, and the test tube seats are slidably arranged in the corresponding tube pushing channels 11. Orbital transfer subassembly 30 still includes mounting bracket 34 and link 35, mounting bracket 34 install in orbital transfer end 12 deviates from one side of L shape locating rack 31, orbital transfer motor 32 install in on mounting bracket 34, link 35 install in orbital transfer motor 32's output shaft. The track transfer assembly 30 further comprises a vertical motor 36, the mounting frame 34 and the connecting frame 35 are both in an L shape, the vertical motor 36 is mounted at the tail end of the connecting frame 35, and the track transfer frame 33 is mounted on an output shaft of the vertical motor 36. Through setting up the test tube seat to can insert the test tube and locate in the test tube seat, and then make things convenient for the steady slip of test tube seat.

The invention provides a rail transfer method adopting the test tube pushing rail transfer system. The track transfer method comprises the following steps:

firstly, the tube pushing member pushes the test tubes in the plurality of tube pushing channels 11 to move towards the track changing end 12 along a first direction, so that the test tubes move into the plurality of track changing channels 201 on the track changing body 20 respectively;

step two, the track changing motor 32 pushes the track changing body 20 to move along the guide track through the track changing frame 33, so that the track changing channel 201 on the track changing body 20 is correspondingly communicated with another adjacent push pipe channel 11, and the track changing body 20 is abutted and positioned by using the L-shaped positioning frame 31; and

and step three, the pushing piece pushes the test tube in one of the pushing tube channels 11 to be far away from the track changing end 12 along a second direction, wherein the second direction is opposite to the first direction.

For example, it is particularly important that, in order to facilitate stable pushing of the track-changing body 20, the track-changing body 20 includes a base 21 and a plurality of partition plates 22 protruding from the base 21, the base 21 is slidably disposed on the guide rail, the plurality of partition plates 22 are parallel to each other, one track-changing channel 201 is formed between every two adjacent partition plates 22, a partition gap 221 is formed in the middle of each partition plate 22 to partition the partition plate 22 into a long guide plate portion 222 and a short guide plate portion 223 at opposite ends of the partition gap 221, the long guide plate portion 222 is engaged with the track-changing end 12, an insertion slot 224 is formed in the middle of the long guide plate portion 222, and the insertion slot 224 extends along the length direction of the long guide plate portion 222 and communicates with the partition gap 221. The rail transfer frame 33 comprises a top plate 331, a baffle plate 332 and a plurality of inserting plates 333, the middle of the top plate 331 is fixed on an output shaft of the vertical motor 36, the baffle plate 332 is vertically and convexly arranged on one side edge of the top plate 331, and the baffle plate 332 is used for being inserted into a plurality of partition gaps 221 on the rail transfer body 20 to block the plurality of rail transfer channels 201. The side of the baffle plate 332 adjacent to the L-shaped positioning frame 31 is provided with a guiding groove for aligning with one of the push pipe channels 11 at the extreme edge. The top of the plurality of insertion plates 333 is vertically fixed on the bottom surface of the top plate 331, and the bottom of the plurality of insertion plates 333 and the bottom of the baffle plate 332 are arranged at intervals, that is, the size of the insertion plates 333 in the vertical direction is smaller than that of the baffle plate 332 in the vertical direction. The plurality of insert plates 333 are adapted to be inserted into the insertion slots 224 of the long guide plate portions 222 of the plurality of partition plates 22, respectively. The bottom of the insert plate 333 is spaced apart from the bottom of the insertion slot 224. The baffles 332 can block the plurality of track transfer channels 201 to block a plurality of test tube seats. By providing the plurality of insertion slots 224 and the plurality of insertion plates 333, the tightness of the combination of the track changing frame 33 and the track changing body 20 can be improved, and the stability in the track changing process can be improved.

For example, in order to push back the test tube in the most peripheral one of the tube pushing channels 11, the test tube pushing rail changing system further includes a holding and pressing assembly 40, the holding and pressing assembly 40 includes a holding pressing block 41, a protruding plate 42, a mounting block 43, an L-shaped plate 44 and a rectangular sliding body 45, the holding pressing block 41 is fixed on the positioning plate 312, the holding pressing block 41 is in a rectangular block shape, a distance measuring switch is arranged on the holding pressing block 41, the protruding plate 42 protrudes out of the end of the positioning plate 312, the mounting block 43 is mounted at the end of the protruding plate 42, a board inserting groove is arranged in the mounting block 43, one end of the L-shaped plate 44 is inserted in the board inserting groove of the mounting block 43, and a stopper 445 is arranged at the end of the L-shaped plate 44. A tension spring is arranged between the stop block 445 and the mounting block 43, and a tension sensor is arranged on the tension spring. The other end of the L-shaped plate 44 is provided with a stressed plate 446, one end of the rectangular sliding body 45 is fixed in the guiding groove, and the other end protrudes out of the baffle 332. An air pump (not shown) and a rectangular piston body (not shown) are arranged in the rectangular sliding body 45, and the rectangular sliding body 45 is aligned with the force bearing plate body 446. The track changing frame 33 is used for pushing the track changing body 20 to move along the guide rail, so that the rectangular sliding body 45 pushes the L-shaped plate 44 to move by overcoming the tension of the tension spring, and when the distance between the track changing body 20 and the pressure holding block 41 is measured to be 0 by the distance measuring switch and the tension sensor reaches a preset value, the air pump drives the rectangular piston body to move towards the tube pushing channel 11 at the extreme edge through air pressure, and then the test tube seat is pushed back to the tube pushing channel 11. By arranging the distance measuring switch and the tension sensor, the rail transfer body 20 can be ensured to be accurately contacted with the pressing holding block 41 to stop, and the rail transfer precision is improved. Meanwhile, the rail transfer body 20 can be prevented from impacting the L-shaped positioning frame 31, so that the accuracy loss caused after long-term use can be avoided, and the rail transfer accuracy loss caused by impact positioning can be avoided.

For example, a temporary storage groove 111 is formed at the bottom of the pipe pushing channel 11 farthest from the track changing motor 32, and a temporary storage baffle 112 is protruded from one side edge of the temporary storage groove 111 far from the track changing body 20. For the convenience of keeping in the reagent pipe, test tube propelling movement track transfer system still includes the subassembly 50 of keeping in, the subassembly 50 of keeping in includes the frame 51 of keeping in, keeps in seat 52, elasticity temporary storage body 53 and presses frame 54, the top of the frame 51 of keeping in with the groove 111 intercommunication of keeping in, the frame 51 of keeping in extends along vertical decurrent direction, the groove 511 of getting out has been seted up to one side of the frame 51 of keeping in, it follows to get out the groove 511 the length direction of the frame 51 of keeping in extends, it takes out breach 512 to have seted up two on the frame 51 of keeping in, two are taken out breach 512 and are run through respectively the relative both sides of taking out groove 511. The temporary storage seat 52 is fixed on the bottom of the temporary storage frame 51, the elastic temporary storage body 53 is installed on the temporary storage seat 52, the upper surface of the elastic temporary storage body 53 is an arc surface 531, a rectangular groove is formed in the arc surface 531, the bottom of the temporary storage frame 51 is inserted in the rectangular groove, one end of the pressing frame 54 is rotatably connected to the end part of the temporary storage seat 52, the other end of the pressing frame inclines towards the bottom surface of the support body 10 and extends to the bottom surface of the support body 10, and the middle part of the pressing frame 54 is supported to the arc surface 531 of the elastic temporary storage body 53. The temporary storage frame 51 is arranged in the pressing frame 54 in a penetrating manner, the pressing frame 54 is abutted against one end of the support body 10, a poking plate 545 is arranged at the outward protruding manner, and the height of the arc-shaped surface 531 is gradually increased along the direction towards the poking plate 545. For example, the bottom of the withdrawal groove 511 of the buffer frame 51 is provided with a buffer pad to buffer the dropping of the reagent tube.

When the test tube is temporarily stored, the test tube is pushed by the rectangular piston body to move to the temporary storage baffle 112, and falls into the temporary storage frame 51 from the taking-out groove 511, and the lower side wall of the test tube is protected and held in the rectangular groove of the elastic temporary storage body 53. When the test tube needs to be taken out, the poking plate 545 rotates under stress and abuts against the elastic temporary storage body 53 to flatten the arc-shaped surface 531, so that the bottom of the test tube is exposed, and the test tube is taken out through the two taking-out gaps 512. Thereafter, the toggle plate 545 may be released and the resilient temporary storage 53 may return to its original shape. Through setting up subassembly 50 of keeping in, the test tube of can comparatively conveniently keeping in and preventing empting of test tube. While the test tubes in the other push tube channels 11 can be pushed back into place.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A test tube pushing and rail-changing system is characterized by comprising a supporting body, a pushing pipe fitting, a rail-changing body and a rail-changing assembly, wherein a plurality of parallel pushing pipe channels are formed in the supporting body, the pushing pipe fitting is installed on the side wall of the supporting body and is used for pushing test tubes in the plurality of pushing pipe channels in a reciprocating mode, one end of the supporting body is a rail-changing end, a guide rail is arranged below the side of the rail-changing end, the rail-changing body is slidably arranged on the guide rail, a plurality of rail-changing channels are formed in the rail-changing body and are respectively communicated with the plurality of pushing pipe channels, the rail-changing assembly comprises an L-shaped positioning frame, a rail-changing motor and a rail-changing frame, the L-shaped positioning frame and the rail-changing motor are respectively installed on two opposite sides of the rail-changing end, the rail-changing frame is installed on an output shaft of the rail-changing motor, the rail-changing motor is used for pushing the rail-changing body to move along the guide rail through the rail-changing frame so, the L-shaped positioning frame is used for abutting against and positioning the track-changing body;

the L-shaped positioning frame comprises a fixing plate and a positioning plate which are perpendicular to each other, the fixing plate is fixed on the track transfer end of the support body, the fixing plate is perpendicular to the push pipe channel, the positioning plate is parallel to the push pipe channel, the bottom of each test tube is inserted into the test tube seat, the test tube seat is slidably arranged in the corresponding push pipe channel, the track transfer assembly further comprises a mounting frame and a connecting frame, the mounting frame is mounted on one side, away from the L-shaped positioning frame, of the track transfer end, the track transfer motor is mounted on the mounting frame, the connecting frame is mounted on an output shaft of the track transfer motor, the track transfer assembly further comprises a vertical motor, the mounting frame and the connecting frame are L-shaped, the vertical motor is mounted at the tail end of;

the rail-changing body comprises a base and a plurality of clapboards convexly arranged on the base, the base is slidably arranged on the guide rail, the clapboards are parallel to each other, a rail-changing channel is formed between every two adjacent clapboards, a partition gap is formed in the middle of each clapboard to divide the clapboards into a long guide board part and a short guide board part which are positioned at two opposite ends of the partition gap, the long guide board part is connected with the rail-changing end, an inserting slot is formed in the middle of the long guide board part, the inserting slot extends along the length direction of the long guide board part and is communicated with the partition gap, the rail-changing frame comprises a top board, a baffle and a plurality of inserting boards, the middle of the top board is fixed on an output shaft of a vertical motor, the baffle is vertically and convexly arranged at one side edge of the top board, the baffle is used for being inserted into the partition gaps on the rail-changing body to block the rail-changing channels, one side of the baffle, which, the top parts of the plurality of inserting plates are vertically fixed on the bottom surface of the top plate, the bottom parts of the plurality of inserting plates and the bottom parts of the baffle plates are arranged at intervals, the size of the inserting plates in the vertical direction is smaller than that of the baffle plates in the vertical direction, the plurality of inserting plates are respectively inserted into the inserting slots of the long guide plate parts of the plurality of partition plates, and the bottom parts of the inserting plates and the bottom parts of the inserting slots are arranged at intervals;

the test tube pushing rail-changing system also comprises a pressure-holding component, the pressure-holding component comprises a pressure-holding block, a protruding extension plate, a mounting block, an L-shaped plate and a rectangular sliding body, the pressure-holding block is fixed on the positioning plate, the pressure-holding block is in a rectangular block shape, a distance-measuring switch is arranged on the pressure-holding block, the protruding extension plate protrudes out of the end part of the positioning plate, the mounting block is mounted at the end part of the protruding extension plate, an inserting plate groove is arranged in the mounting block, one end of the L-shaped plate is inserted in the inserting plate groove of the mounting block, a stop block is arranged at the end part of the L-shaped plate, a tension spring is arranged between the stop block and the mounting block, a tension sensor is arranged on the tension spring, a stress plate body is arranged at the other end of the L-shaped plate, one end of the rectangular sliding body is fixed in the guide groove, the other end of the rectangular sliding body protrudes out of, when the distance between the track transfer body and the pressure holding block is measured to be 0 by the distance measuring switch and the tension sensor reaches a preset value, the air pump drives the rectangular piston body to move towards one pipe pushing channel at the outermost edge through air pressure so as to push the test tube seat back to the pipe pushing channel;

a temporary storage groove is formed in the bottom of the push pipe channel which is positioned at the farthest position away from the track-changing motor, and a temporary storage baffle is convexly arranged on the edge of one side of the temporary storage groove, which is away from the track-changing body;

the test tube pushing track-changing system also comprises a temporary storage assembly, the temporary storage assembly comprises a temporary storage frame, a temporary storage seat, an elastic temporary storage body and a pressing frame, the top of the temporary storage frame is communicated with the temporary storage groove, the temporary storage frame extends along the vertical downward direction, one side of the temporary storage frame is provided with a taking-out groove, the taking-out groove extends along the length direction of the temporary storage frame, the temporary storage frame is provided with two taking-out gaps, the two taking-out gaps respectively penetrate through the two opposite sides of the taking-out groove, the temporary storage seat is fixed at the bottom of the temporary storage frame, the elastic temporary storage body is arranged on the temporary storage seat, the upper surface of the elastic temporary storage body is an arc surface, a rectangular groove is arranged on the arc surface, the bottom of the temporary storage frame is inserted in the rectangular groove, one end of the pressing frame is rotatably connected to the end part of the temporary storage seat, the other end of the pressing frame, the temporary storage frame is arranged in the pressing frame in a penetrating mode, the pressing frame abuts against and is provided with the poking plate protruding outwards from one end of the supporting body, the height of the arc-shaped face is gradually increased along the direction towards the poking plate, and the bottom of the taking-out groove of the temporary storage frame is provided with the buffering cushion to buffer the test tube from falling.