阅读说明：本技术 一种采血管加帽装置 (Blood collection tube capping device ) 是由 安家乐 于 2020-07-03 设计创作，主要内容包括：本发明公开了一种采血管加帽装置,包括安置盒、托盘、第一输送线以及下压机构,所述安置盒上设置有若干个用于安置采血管本体的凹位,所述托盘上对应所述凹位设置有若干个用于安置管帽的通孔,所述第一输送线用于将所述托盘输送至所述安置盒的上方并使所述管帽与所述采血管本体一一对应,下压机构用于下压所述管帽,而使所述管帽从所述通孔的底端移出并配合安装至所述采血管本体上。根据本发明实施例的采血管加帽装置,能够快速地将管帽装配在采血管本体上,装配效率高,生产速度快。(The invention discloses a blood collection tube capping device which comprises a placement box, a tray, a first conveying line and a pressing mechanism, wherein a plurality of concave positions for placing blood collection tube bodies are arranged on the placement box, a plurality of through holes for placing tube caps are arranged on the tray corresponding to the concave positions, the first conveying line is used for conveying the tray to the upper side of the placement box and enabling the tube caps to be in one-to-one correspondence with the blood collection tube bodies, and the pressing mechanism is used for pressing the tube caps downwards so that the tube caps can be moved out from the bottom ends of the through holes and are installed on the blood collection tube bodies in a matched mode. According to the blood collection tube capping device provided by the embodiment of the invention, the tube cap can be rapidly assembled on the blood collection tube body, the assembling efficiency is high, and the production speed is high.)

1. The utility model provides a heparin tube capping device which characterized in that includes:

the mounting box is provided with a plurality of concave positions for mounting the blood collection tube body;

the tray is provided with a plurality of through holes for accommodating pipe caps corresponding to the concave positions;

the first conveying line is used for conveying the tray to the upper part of the placement box and enabling the tube caps to correspond to the blood collection tube bodies one by one;

and the pressing mechanism is used for pressing the tube cap downwards so that the tube cap is moved out from the bottom end of the through hole and is installed on the blood collection tube body in a matched manner.

2. A blood collection tube capping device according to claim 1, wherein the pressing mechanism comprises a driving portion, a supporting plate, and a plurality of pressing rods disposed on the supporting plate corresponding to the through holes, the driving portion being configured to control the supporting plate to move so as to press the corresponding tube caps.

3. A blood collection tube capping device according to claim 2, further comprising a second transfer line for transferring the set cassette, the second transfer line being positioned below the first transfer line and staggered from the first transfer line.

4. A blood collection tube capping device according to claim 3, wherein a mounting frame is arranged above the first conveying line corresponding to a crossing point of the first conveying line and the second conveying line, the driving portion is vertically arranged on the mounting frame, the supporting plate is horizontally arranged at the bottom end of the driving portion, the pressing rod is vertically arranged at the bottom end of the supporting plate, and the driving portion controls the supporting plate to ascend and descend.

5. A blood collection tube capping device according to claim 4, wherein the driving portion is a cylinder.

6. A blood collection tube capping device according to any one of claims 1 to 5, wherein the concave portions are plural and arranged on the mounting box in an array, and the through holes are correspondingly plural and arranged on the tray in an array.

7. A blood collection tube capping device according to any one of claims 1 to 5, wherein an elastic protrusion is provided on an inner side wall of the through hole, and the elastic protrusion abuts against a bottom end of the tube cap.

8. A blood collection tube capping device according to claim 7, wherein the outer surface of the resilient projection is an outwardly convex curved surface.

9. A blood collection tube capping device according to any one of claims 3 to 5, wherein a sensor for monitoring the mounting box and the tray is provided in the vicinity of a point where the first transfer line and the second transfer line cross.

10. A blood collection tube capping device according to any one of claims 1 to 5, wherein a buffer layer is provided at the bottom end of the recessed portion.

Technical Field

The invention relates to blood collection tube production equipment, in particular to a blood collection tube capping device.

Background

The blood collection tube is a disposable medical apparatus which can realize quantitative blood collection. The blood collection tube is frequently used in the collection of blood samples at present, and it mainly comprises blood collection tube body and tube cap, is provided with the stopcock in the tube cap, and the mouth of pipe department of stopcock to the blood collection tube body seals.

The heparin tube needs to use with the supporting use of vein blood taking needle, and the one end of blood taking needle pierces human vein during the blood sampling, and the other end pierces the stopcock of tube cap and stretches into this internally of heparin tube, and inside blood flowed into the heparin tube body through the pipe of blood taking needle to use by chemical examination.

An important step in the production of the blood collection tube is to assemble the tube cap on the blood collection tube body, and the existing method is manual assembly, so that the assembly efficiency is low and the production speed is low.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a blood sampling tube capping device which can be used for rapidly assembling a tube cap on a blood sampling tube body, and has high assembly efficiency and high production speed.

According to the embodiment of the invention, the blood collection tube capping device comprises:

the mounting box is provided with a plurality of concave positions for mounting the blood collection tube body;

the tray is provided with a plurality of through holes for accommodating pipe caps corresponding to the concave positions;

the first conveying line is used for conveying the tray to the upper part of the placement box and enabling the tube caps to correspond to the blood collection tube bodies one by one;

and the pressing mechanism is used for pressing the tube cap downwards so that the tube cap is moved out from the bottom end of the through hole and is installed on the blood collection tube body in a matched manner.

According to the blood collection tube capping device provided by the embodiment of the invention, at least the following technical effects are achieved: when the blood sampling tube body needs to be capped, the blood sampling tube body is vertically placed in a corresponding concave position on the placing box, the tube opening of the blood sampling tube body is positioned at the top end, then the tube cap is vertically placed in the through hole of the tray, the opening of the tube cap faces downwards, the tube cap can be matched with the through hole, the pipe cap can be prevented from falling down by the frictional resistance between the outer side wall of the pipe cap and the inner side wall of the through-hole, or the inner side wall of the through hole is provided with an elastic bulge for preventing the tube cap from falling down, then the tray is conveyed to the upper part of the placing box by the first conveying line, the tube caps on the through hole are in one-to-one correspondence with the blood sampling tube bodies on the concave position, the first conveying line is stopped running, then operate the mechanism of pushing down, the mechanism of pushing down pushes down the cap for pipe, makes the cap for pipe shift out and cooperate the installation to the heparin tube body that corresponds from the bottom of the through-hole that corresponds on, can accomplish the whole heparin tube body add the cap process. According to the blood collection tube capping device provided by the embodiment of the invention, when the blood collection tube body is required to be capped, the blood collection tube body is vertically placed on the corresponding concave position on the placement box, the tube cap is vertically placed in the through hole of the tray, and then the first conveying line and the pressing mechanism are sequentially started, so that the tube cap can be rapidly assembled on the blood collection tube body, the automation degree is high, the time and labor are saved, the assembly efficiency is high, and the production speed is high.

According to some embodiments of the present invention, the pressing mechanism includes a driving portion, a supporting plate, and a plurality of pressing rods disposed on the supporting plate corresponding to the through holes, wherein the driving portion is configured to control the supporting plate to move so that the pressing rods press the corresponding caps.

According to some embodiments of the invention, the cartridge capping device further comprises a second transfer line for transferring the set cartridge, the second transfer line being located below and staggered with respect to the first transfer line.

According to some embodiments of the invention, an installation frame is arranged above the first conveying line corresponding to the intersection point of the first conveying line and the second conveying line, the driving part is vertically arranged on the installation frame, the supporting plate is horizontally arranged at the bottom end of the driving part, the lower pressing rod is vertically arranged at the bottom end of the supporting plate, and the driving part controls the supporting plate to lift.

According to some embodiments of the invention, the driving part is a cylinder.

According to some embodiments of the invention, the concave positions are plural and distributed on the mounting box in an array, and the through holes are correspondingly provided in plural and distributed on the tray in an array.

According to some embodiments of the invention, the inner side wall of the through hole is provided with an elastic protrusion which supports the bottom end of the pipe cap.

According to some embodiments of the invention, the outer surface of the resilient protrusion is an outwardly convex curved surface.

According to some embodiments of the invention, a sensor for monitoring the mounted cassettes and the trays is provided near the point where the first and second conveyor lines cross.

According to some embodiments of the invention, a bottom end of the recess is provided with a buffer layer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the hold-down mechanism in a first state;

FIG. 3 is a schematic structural view of the hold-down mechanism in a second state;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

reference numerals:

a setting box 100, a concave part 101 and a buffer part 102; the tray 200, the through hole 201 and the elastic bulge 202; a first conveyor line 300; a pressing mechanism 400, a driving part 401, a support plate 402, and a pressing rod 403; a second conveyor line 500; a mounting frame 600; a sensor 700; blood collection tube body 800, tube cap 801.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A blood collection tube capping device according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

As shown in fig. 1 to 3, the blood collection tube capping device according to the embodiment of the present invention includes a placement box 100, a tray 200, a first conveying line 300, and a pressing mechanism 400, wherein the placement box 100 is provided with a plurality of concave positions 101 for placing a blood collection tube body 800, the tray 200 is provided with a plurality of through holes 201 for placing tube caps 801 corresponding to the concave positions 101, the first conveying line 300 is used for conveying the tray 200 to the upper side of the placement box 100 and making the tube caps 801 correspond to the blood collection tube bodies 800 one by one, and the pressing mechanism 400 is used for pressing the tube caps 801, so that the tube caps 801 are moved out from the bottom ends of the through holes 201 and are fittingly mounted on the blood collection tube bodies 800.

In this embodiment, the concave 101 may be a circular blind hole structure vertically disposed on the placement box 100 and adapted to an outer sidewall of the blood collection tube body 800, and the through hole 201 may be a circular through hole structure vertically disposed on the tray 200 and adapted to an outer sidewall of the tube cap 801. When the blood collection tube body 800 needs to be capped, the blood collection tube body 800 is vertically placed in the corresponding concave position 101 on the placement box 100, and the tube opening of the blood collection tube body 800 is located at the top end, then the tube cap 801 is vertically placed in the through hole 201 of the tray 200, and the opening of the tube cap 801 faces downward, the tube cap 801 can be prevented from falling downward by friction force between the outer side wall of the tube cap 801 and the inner side wall of the through hole 201, or the elastic protrusion 202 for preventing the tube cap 801 from falling downward is arranged on the inner side wall of the through hole 201, then the first conveying line 300 is started, the tray 200 is conveyed to the upper side of the placement box 100 by the first conveying line 300, the tube cap 801 on the through hole 201 and the blood collection tube body 800 on the concave position 101 are in one-to-one correspondence, then the operation of the first conveying line 300 is stopped, then the pressing mechanism 400 is operated, the tube cap 801 is pressed by the pressing mechanism 400, and the tube cap 801 is made to slide downward along the corresponding through hole and is moved out from the bottom end of The whole capping process of the blood collection tube body 800 can be completed. According to the blood collection tube capping device provided by the embodiment of the invention, when the blood collection tube body 800 needs to be capped, the blood collection tube body 800 is vertically placed on the concave position 101 corresponding to the placement box 100, the tube cap 801 is vertically placed in the through hole 201 corresponding to the tray 200, and then the first conveying line 300 and the pressing mechanism 400 are sequentially started, so that the tube cap 801 can be rapidly assembled on the blood collection tube body 800, the automation degree is high, time and labor are saved, the assembly efficiency is high, and the production speed is high. Meanwhile, human errors are reduced, and the product quality is improved.

It should be noted that a tube plug is arranged inside the tube cap 801, a sealing groove may be arranged at one end of the tube plug close to the blood collection tube body 800, and when the tube cap 801 is pressed down, the sidewall of the upper end of the blood collection tube body 800 can be inserted into the sealing groove in a matching manner. Specifically, heparin tube body 800 is similar to hollow cylinder, and then the seal groove can be the ring channel, and the lateral wall cooperation of the upper end of heparin tube body 800 is inserted and is located the seal inslot back, and the inside and outside surface of the lateral wall of heparin tube body 800 upper end closely laminates with the inside wall of seal groove, and the top of heparin tube body 800 closely supports the top of seal groove in top to the realization is assembled cartridge cap 801 on heparin tube body 800, realizes sealing to heparin tube body 800 simultaneously. Of course, one end of the tube plug close to the blood collection tube body 800 may be directly inserted into the opening of the blood collection tube body 800 and closely attached to the inner sidewall of the blood collection tube body 800. In addition, the number of the concave portions 101 of one set box 100 may be one, two or more according to the real-time situation, and correspondingly, the number of the through holes 201 of one tray 200 may be one, two or more according to the real-time situation.

It can be understood that, after the tray 200 is conveyed to the upper side of the placement box 100 by the first conveying line 300 and the tube caps 801 are in one-to-one correspondence with the blood collection tube bodies 800, the distance between the top ends of the blood collection tube bodies 800 and the bottom ends of the corresponding through holes 201 needs to be smaller than the length of the tube caps 801 in the vertical direction, and then after the bottom ends of the tube caps 801 are assembled on the blood collection tube bodies 800, the top ends of the tube caps 801 are still located in the corresponding through holes 201, so that the tube caps 801 can be prevented from falling off from the peripheral side, and the tube caps 801 can be smoothly assembled on the corresponding blood collection tube bodies 800. In addition, after cap 801 is assembled on blood collection tube body 800, the top end of cap 801 needs to be lower than the bottom end of through hole 201 to prevent the top end of cap 801 from being still stuck in through hole 201 and affecting the assembly of cap 801.

In some embodiments of the present invention, as shown in fig. 2 and 3, the pressing mechanism 400 includes a driving portion 401, a supporting plate 402, and a plurality of pressing rods 403 disposed on the supporting plate 402 corresponding to the through holes 201, wherein the driving portion 401 is configured to control the supporting plate 402 to move so that the pressing rods 403 press down the corresponding caps 801. The driving part 401 is used for controlling the movement of the supporting plate 402, specifically, when the tray 200 is conveyed to the upper side of the placing box 100 by the first conveying line 300 and the tube caps 801 are in one-to-one correspondence with the blood sampling tube bodies 800, if the supporting plate 402 is horizontally arranged right above the tray 200 in such a state and the pressing rods 403 are vertically arranged at the bottom end of the supporting plate 402 and in one-to-one correspondence with the corresponding through holes 201, the driving part 401 controls the supporting plate 402 to move up and down; if the supporting plate 402 is located at another position or the pressing rods 403 are not in the vertical state, the driving unit 401 needs to control the supporting plate 402 to move right above the tray 200, vertically arrange the pressing rods 403 at the bottom end of the supporting plate 402 and correspond to the corresponding through holes 201 one by one, and then control the supporting plate 402 to move up and down. When tube cap 801 needs to be pressed down onto blood collection tube body 800, drive portion 401 is operated, drive portion 401 controls support plate 402 to move right above tray 200, and after press-down rods 403 are vertically arranged at the bottom end of support plate 402 and correspond to corresponding through holes 201 one by one, support plate 402 is controlled to move downward, support plate 402 further drives press-down rods 403 to move downward, so that tube cap 801 is supported by the bottom end of press-down rods 403, when drive portion 401 continues to control support plate 402 to move downward, press-down rods 403 can push tube cap 801 to slide downward along through holes 201 until tube cap 801 is assembled on corresponding blood collection tube body 800. And then the supporting plate 402 is controlled to move upwards, the supporting plate 402 drives the lower pressing rod 403 to move upwards, so that the bottom end of the lower pressing rod 403 moves upwards to the upper part of the through hole 201 along the through hole 201, and the whole capping process can be completed. In this embodiment, after the tray 200 is conveyed to the top of the placement box 100 by the first conveying line 300 and the caps 801 are in one-to-one correspondence with the blood collection tube bodies 800, the capping process can be realized by operating the driving portion 401, and the operation is simple and convenient. It should be understood that the pressing mechanism 400 may also be a plurality of micro cylinders, and after the first conveying line 300 conveys the tray 200 to the upper side of the placing box 100 and makes the caps 801 correspond to the blood sampling tube bodies 800 one by one, the micro cylinders extend to push the corresponding caps 801 to move downward.

In some embodiments of the present invention, as shown in fig. 1, the blood collection tube capping device further includes a second conveyor line 500 for conveying the set cassettes 100, the second conveyor line 500 being located below the first conveyor line 300 and being staggered from the first conveyor line 300. In this embodiment, after placing blood collection tube body 800 on concave position 101 of placing box 100, place box 100 on second transfer chain 500, second transfer chain 500 can drive placing box 100 to move, meanwhile, place cap 801 on through-hole 201 of tray 200 after, place tray 200 on first transfer chain 300, first transfer chain 300 drives tray 200 to move, when placing box 100 and tray 200 and move to the position corresponding to the staggered point of first transfer chain 300 and second transfer chain 500 respectively, stop the operation of second transfer chain 500 and first transfer chain 300 respectively, at this moment, tray 200 is just located directly over placing box 100 and cap 801 corresponds to blood collection tube body 800 one-to-one, then operate pushing mechanism 400 and can accomplish the process of capping. In this embodiment, when the blood collection tube body 800 needs to be capped, only the placement box 100 with the blood collection tube body 800 and the tray 200 with the tube cap 801 need to be placed on the second conveying line 500 and the first conveying line 300, so that the operation is simple, and time and labor are saved. In addition, the first conveyor line 300 can convey a plurality of trays 200, and the second conveyor line 500 can convey a plurality of set cassettes 100, so that the production efficiency is higher. In addition, the first conveyor line 300 and the second conveyor line 500 are arranged alternately, so that the placing boxes 100 or the trays 200 can be more conveniently taken and placed. It should be noted that the first conveyor line 300 and the second conveyor line 500 may be a common processing conveyor line, and for example, may be two guide rails arranged side by side, on which the mounting boxes 100 and the trays 200 are slidably arranged and driven by a motor.

In some embodiments of the present invention, as shown in fig. 1 to 3, a mounting frame 600 is disposed above the first conveyor line 300 corresponding to an intersection point of the first conveyor line 300 and the second conveyor line 500, the driving portion 401 is vertically disposed on the mounting frame 600, the supporting plate 402 is horizontally disposed at a bottom end of the driving portion 401, the pressing rod 403 is vertically disposed at a bottom end of the supporting plate 402, and the driving portion 401 controls the supporting plate 402 to ascend and descend. When placing box 100 and tray 200 and moving respectively to the position that corresponds first transfer chain 300 and second transfer chain 500 staggered point, and stop the operation of second transfer chain 500 and first transfer chain 300 respectively, tray 200 just is located and places box 100 directly over and cap 801 and heparin tube body 800 one-to-one, and then only need set up drive division 401 on the mounting bracket 600 of the top of first transfer chain 300, backup pad 402 level sets up in the bottom of drive division 401, push down the vertical bottom that sets up in backup pad 402 of pole 403 and with through-hole 201 one-to-one, drive division 401 control backup pad 402 descends and rises, can realize adding the cap process. The moving path of the support plate 402 is less, the operation is simpler, and the time is saved. Of course, the supporting plate 402 may be located on one side of the intersection point of the first conveying line 300 and the second conveying line 500, in which case, the driving part 401 may be a robot, and the robot needs to control the supporting plate 402 to move in multiple directions.

In some embodiments of the present invention, the driving portion 401 is a cylinder. The vertical setting of cylinder body part of cylinder is on mounting bracket 600, and the piston rod part of cylinder is vertical to be set up in the bottom of cylinder body part and be connected with backup pad 402, can drive backup pad 402 through the flexible of cylinder and go up and down to realize the capping process, easy operation, labour saving and time saving. The driving unit 401 may be an oil cylinder, a linear motor, or the like.

In some embodiments of the present invention, as shown in fig. 1 to 3, the plurality of concave portions 101 are disposed on the placement box 100 in an array, and the plurality of through holes 201 are correspondingly disposed on the tray 200 in an array. Concave position 101 and through-hole 201 are a plurality ofly, and then can once only cap a plurality of heparin tube bodies 800, and machining efficiency is higher, and production speed is faster. In this embodiment, the concave portions 101 and the through holes 201 are distributed in an array of five rows and seven columns, and are arranged neatly, so that the occupied area is smaller, and the required sizes of the placement box 100 and the tray 200 can be reduced. It should be noted that the pits 101 and the through holes 201 may be distributed in a circumferential array.

In some embodiments of the present invention, as shown in fig. 4, an elastic protrusion 202 is disposed on the inner sidewall of the through hole 201, and the elastic protrusion 202 supports the bottom end of the cap 801. When tube cap 801 is placed on through hole 201, elastic protrusion 202 can prop against the bottom end of tube cap 801, and then can prevent tube cap 801 from freely sliding down because of clearance between tube cap 801 and through hole 201 or too small frictional resistance between tube cap 801 and through hole 201, so that tube cap 801 cannot be assembled with blood collection tube body 800. When pressing mechanism 400 presses down tube cap 801, tube cap 801 applies pressure to elastic protrusion 202, and elastic protrusion 202 deforms under the action of pressure to release the support of the bottom end of tube cap 801, so that tube cap 801 can slide downward to move out of the bottom end of through hole 201 and be installed on blood collection tube body 800 in a matched manner. When cap 801 is removed from the bottom end of through-hole 201, elastic projection 202 returns to its original shape, and can be used to hold the next cap 801. The elastic protrusion 202 may be made of elastic rubber or elastic plastic.

In some embodiments of the present invention, as shown in FIG. 4, the outer surface of the resilient protrusions 202 is an outwardly convex curved surface. The outer surface of the elastic protrusion 202 is a convex arc surface, which can reduce the friction between the pipe cap 801 and the elastic protrusion 202 when the pipe cap 801 slides downwards under the pressure of the pressing mechanism 400, so that the pipe cap 801 slides more smoothly.

In some embodiments of the present invention, as shown in fig. 1, a sensor 700 for monitoring the set cassettes 100 and the trays 200 is provided near the point where the first conveying line 300 crosses the second conveying line 500. The sensor 700 may be electrically connected to a controller, and an output end of the controller is electrically connected to the first conveyor line 300, the second conveyor line 500, and the pressing mechanism 400. When the first conveying line 300 drives the tray 200 to move to the point where the first conveying line 300 and the second conveying line 500 intersect, the sensor 700 senses and sends a signal to the controller, the controller receives the signal and controls the first conveying line 300 to stop running, when the second conveying line 500 drives the placement box 100 to move to the point where the first conveying line 300 and the second conveying line 500 intersect, the sensor 700 senses and sends a signal to the controller, the controller receives the signal and controls the second conveying line 500 to stop running, when the placement box 100 and the tray 200 are both located at the point where the first conveying line 300 and the second conveying line 500 intersect, the sensor 700 senses and sends a signal to the controller, the controller controls the pressing mechanism 400 to run, the pressing mechanism 400 further presses the tube cap 801, and the tube cap 801 is moved out from the bottom end of the through hole 201 and is installed on the blood collection tube body 800 in a matched manner. In this embodiment, the sensor 700 is used for monitoring the placement box 100 and the tray 200, and the first conveying line 300, the second conveying line 500 and the pressing mechanism 400 are controlled to start and stop according to the monitoring result, so that the automation degree is higher, the operation is more convenient, and the time and labor are saved more. It should be noted that the sensor 700 may be a photoelectric sensor or a hall sensor.

In some embodiments of the present invention, as shown in fig. 2 and 3, the bottom end of the recess 101 is provided with a cushioning layer 102. Buffer layer 102 can reduce the rigid impact force that the bottom of blood collection tube body 800 receives when cartridge cap 801 assembles in blood collection tube body 800, and can prevent blood collection tube body 800 from receiving the damage. The cushioning layer 102 may be made of a cushioning material such as elastic rubber or foam.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.