CN218560289U - Test tube rotary device and bar code detection system - Google Patents

Abstract

The utility model provides a test tube rotary device and bar code detection system, test tube rotary device includes: the test tube test device comprises an underframe, a first driving mechanism assembled on the underframe, a return structure assembled at the output end of the first driving mechanism, at least two driven wheels rotatably assembled on the return structure and arranged at intervals, a second driving mechanism assembled on the underframe, and a driving wheel fixed at the output end of the second driving mechanism, wherein a limiting concave cavity matched with a test tube is formed between the driven wheels, and the driving wheel is positioned at the opening side of the limiting concave cavity; first actuating mechanism is used for the drive to move towards the direction of being close to or keeping away from the action wheel from the driving wheel, and second actuating mechanism is used for driving the action wheel and rotates, and the pivot of following the driving wheel parallels with the pivot of action wheel, and the answer structure is used for providing the elasticity towards the direction of being close to the action wheel from the driving wheel. The device has simple structure and smaller overall dimension, and is beneficial to realizing the generalization of modules; furthermore, damage to the test tube due to strong compression can be avoided.

Description

Test tube rotary device and bar code detection system

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a test tube rotary device and bar code detection system.

Background

Identification of samples, such as scanning of test tube barcodes, is an important part of the sample analysis process.

In the related art, the test tube needs to be angularly adjusted so as to facilitate scanning and identification of the test tube barcode. At present, a test tube rotating device is adopted to carry out angle adjustment on a test tube, and the test tube is clamped and rotated through a clamping arm and a roller, so that the test tube rotating device is complex in structure, large in overall dimension and not beneficial to module generalization; simultaneously, the dynamics of centre gripping test tube can not in time control by the centre gripping arm damages the test tube easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a test tube rotary device and bar code detecting system are provided aims at solving not enough in the correlation technique to a certain extent.

In order to solve the above technical problem, the utility model discloses the first aspect provides a test tube rotating device, include: the test tube test device comprises a base frame, a first driving mechanism assembled on the base frame, a return structure assembled at the output end of the first driving mechanism, at least two driven wheels rotatably assembled on the return structure and arranged at intervals, a second driving mechanism assembled on the base frame, and a driving wheel fixed at the output end of the second driving mechanism, wherein a limiting concave cavity matched with a test tube is formed between the driven wheels, and the driving wheel is positioned on the opening side of the limiting concave cavity; the first driving mechanism is used for driving the driven wheel to move towards the direction close to or far away from the driving wheel, the second driving mechanism is used for driving the driving wheel to rotate, the rotating shaft of the driven wheel is parallel to the rotating shaft of the driving wheel, and the return structure is used for providing elastic force towards the direction close to the driving wheel for the driven wheel.

Preferably, the restoring structure includes a first connecting member fixed to the first driving mechanism, a restoring assembly movably connected to the first connecting member, and a second connecting member fixedly connected to the restoring assembly, the driven wheel is rotatably assembled to one end of the second connecting member away from the restoring assembly, and the restoring assembly is configured to provide the elastic force.

Preferably, the restoring assembly includes a guide member movably assembled to the first connecting member and fixedly connected to the second connecting member, and an elastic member having two ends abutting against the guide member and the first connecting member, respectively, and a moving direction of the guide member is parallel to a driving direction of the first driving mechanism.

Preferably, the guide member includes a main body portion penetrating through and slidably fitted to the first connecting member, and an abutting portion fixed to an outer side of the main body portion in a sleeved manner, and the elastic member is sleeved on an outer side of the main body portion and abuts against the abutting portion.

Preferably, the test tube rotating device further comprises a sensor fixed on the bottom frame and a sensing piece fixed on the guide piece, the sensing piece is provided with two sensing parts arranged at intervals, and the two sensing parts and the sensor jointly form two sensing states.

Preferably, the first driving mechanism includes a first driving source fixed to the chassis, a driving wheel rotatably assembled to the chassis, a transmission belt wound between an output end of the first driving source and the driving wheel, a guide rail fixed to a side of the chassis away from the first driving source, a slider slidably assembled to the guide rail, and a first transmission member fixedly connected to the transmission belt and the slider, respectively, and the return structure is fixed to the slider.

Preferably, the second actuating mechanism is including being fixed in the second drive source of chassis, being fixed in the backup pad of chassis, being fixed in bearing spare, one end in the backup pad are fixed in the output of second drive source and the other end run through and assemble in the second driving medium of bearing spare and cover are established and are fixed in the action wheel of second driving medium, the bearing spare with the coaxial setting of second driving medium, the backup pad is located the second drive source with between the action wheel.

Preferably, the inside cavity of action wheel sets up, certainly the inner wall of action wheel is protruding limited position that is formed inwards, second actuating mechanism is fixed in still including the cover is established the rotatory piece in the second driving medium outside and is fixed in rotatory piece is kept away from the limiting plate of the one end of second driving source, the limiting plate with the limiting block forms limited space jointly, the action wheel cover is established and is fixed in rotatory piece outside, just limited position imbed in the limited space.

Preferably, the chassis includes first support, second support and respectively fixed connection in first support with the connecting bottom plate of second support, first support and/or connecting bottom plate with the continuous end of first support is equipped with first waist type groove, the second support and/or connecting bottom plate with the continuous end of second support is equipped with second waist type groove, the length extending direction in first waist type groove with the length extending direction in second waist type groove is mutually perpendicular.

The utility model discloses the second aspect provides a bar code detection system, include as above arbitrary test tube rotary device and scanner, the scanner is used for scanning the bar code on the test tube.

The utility model discloses in a test tube rotary device and bar code detection system compare with prior art, beneficial effect lies in: when first actuating mechanism drive moved the certain distance towards the direction of being close to the action wheel from the driving wheel, the action wheel can press from both sides the test tube tightly in spacing cavity with following the cooperation of driving wheel each other, and simultaneously, second actuating mechanism drive action wheel rotates to drive the test tube and rotate, thereby accomplish the adjustment to the test tube angle. The device has simple structure and smaller overall dimension, and is beneficial to realizing the generalization of modules; moreover, press from both sides tightly and first actuating mechanism continues to drive when removing from the direction of driving wheel towards being close to the action wheel when the test tube, owing to reply the structure and can provide towards the elasticity of being close to the direction of action wheel from the driving wheel, reply the structure promptly and can compress in order to avoid following the driving wheel and support the test tube to avoid the test tube because of receiving strong extrusion and damaging.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a test tube rotating device according to an embodiment of the present invention in a first direction;

FIG. 2 is a schematic view of the overall structure of the second direction of the test tube rotating device according to the embodiment of the present invention;

fig. 3 is a schematic view illustrating an assembly relationship among a part of the first driving mechanism, the return structure and the driven wheel in the test tube rotating apparatus according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of a test tube rotating device according to an embodiment of the present invention;

FIG. 5 is a schematic view of the assembly of the driving wheel and the rotating block in the test tube rotating apparatus according to the embodiment of the present invention;

fig. 6 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 5.

In the drawings, each reference numeral denotes: 1. a chassis; 11. a first bracket; 12. a second bracket; 13. connecting the bottom plate; 2. a first drive mechanism; 21. a first drive source; 22. a driving wheel; 23. a transmission belt; 24. a guide rail; 25. a slider; 26. a first transmission member; 3. a recovery structure; 31. a first connecting member; 32. a reply component; 321. a guide member; 3211. a main body portion; 3212. an abutting portion; 322. an elastic member; 33. a second connecting member; 4. a driven wheel; 5. a second drive mechanism; 51. a second drive source; 52. a support plate; 53. a second transmission member; 54. rotating the block; 55. a limiting plate; 6. a driving wheel; 61. a limiting part; 7. a sensor; 8. an induction sheet; 81. a sensing part; 9. test tubes.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of 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", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description and simplicity of description only, and do not indicate or imply that a particular orientation, configuration, or operation of a device or element to which it is directed must be considered limiting.

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 implicit to the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Example (b):

referring to fig. 1 to 6, an embodiment of the present invention provides a barcode detection system, including a test tube rotating device and a scanner, where the scanner is used to scan a barcode on a test tube 9, and the test tube rotating device includes: the test tube test device comprises an underframe 1, a first driving mechanism 2 assembled on the underframe 1, a return structure 3 assembled at the output end of the first driving mechanism 2, at least two driven wheels 4 rotatably assembled on the return structure 3 and arranged at intervals, a second driving mechanism 5 assembled on the underframe 1, and a driving wheel 6 fixed at the output end of the second driving mechanism 5, wherein a limiting concave cavity matched with a test tube 9 is formed between each driven wheel 4, and the driving wheel 6 is positioned at the opening side of the limiting concave cavity; the first driving mechanism 2 is used for driving the driven wheel 4 to move towards the direction close to or far away from the driving wheel 6, the second driving mechanism 5 is used for driving the driving wheel 6 to rotate, the rotating shaft of the driven wheel 4 is parallel to the rotating shaft of the driving wheel 6, and the restoring structure 3 is used for providing elastic force towards the direction close to the driving wheel 6 for the driven wheel 4.

Referring to fig. 4, it should be understood that when the first driving mechanism 2 drives the driven wheel 4 to move a certain distance toward the direction close to the driving wheel 6, the driving wheel 6 and the driven wheel 4 cooperate with each other to clamp the test tube 9 in the limiting cavity, and meanwhile, the second driving mechanism 5 drives the driving wheel 6 to rotate to drive the test tube 9 to rotate, so as to complete the adjustment of the angle of the test tube 9. The device has simple structure and smaller overall dimension, and is beneficial to realizing the generalization of modules; moreover, when test tube 9 presss from both sides tightly and first actuating mechanism 2 continues to drive and moves towards the direction that is close to action wheel 6 from driving wheel 4, owing to reply structure 3 can provide the elasticity towards the direction that is close to action wheel 6 from driving wheel 4, reply structure 3 promptly can compress in order to avoid from driving wheel 4 to support test tube 9 to avoid test tube 9 because of receiving strong extrusion and damaging.

Referring to fig. 1, 2 and 3, further, the restoring structure 3 includes a first connecting member 31 fixed to the first driving mechanism 2, a restoring member 32 movably connected to the first connecting member 31, and a second connecting member 33 fixedly connected to the restoring member 32, the driven wheel 4 is rotatably assembled at one end of the second connecting member 33 far away from the restoring member 32, and the restoring member 32 is used for providing an elastic force. The first driving mechanism 2 drives the first connecting piece 31 to move, and the first connecting piece 31 drives the restoring assembly 32 and the second connecting piece 33 to move, so that the driven wheel 4 is driven to move by the first driving mechanism 2.

Referring to fig. 1 and 3, in an embodiment, the restoring assembly 32 includes a guiding element 321 movably mounted on the first connecting element 31 and fixedly connected to the second connecting element 33, and an elastic element 322 having two ends respectively abutting against the guiding element 321 and the first connecting element 31, wherein the moving direction of the guiding element 321 is parallel to the driving direction of the first driving mechanism 2. The guiding element 321 includes a main body portion 3211 penetrating through and slidably assembled to the first connecting element 31, and an abutting portion 3212 sleeved and fixed on an outer side of the main body portion 3211, wherein the elastic element 322 is sleeved on an outer side of the main body portion 3211, and the elastic element 322 abuts against the abutting portion 3212.

Referring to fig. 1, 2 and 3, specifically, the first connecting member 31 may be a U-shaped plate, the second connecting member 33 may be an L-shaped plate, the driven wheel 4 is rotatably assembled on a short side of the L-shaped plate by a pin, the guiding member 321 may be a guiding rod, one end of the main body portion 3211 of the guiding member 321 penetrates through two sides of the U-shaped plate, the other end penetrates through a long side of the L-shaped plate, and the abutting portion 3212 is located at one end of the main body portion 3211 near the second connecting member 33; guide 321 can lead from the removal of driving wheel 4 and the compression direction of elastic component 322, avoids taking place the skew from driving wheel 4 at the removal in-process for test tube 9 can be accurate get into spacing cavity. The elastic member 322 may be a spring, one end of the elastic member 322 abuts against the abutting portion 3212, and the other end abuts against one side of the U-shaped plate close to the second connecting plate, and the elastic member 322 may provide an elastic force from the driven wheel 4 toward the driving wheel 6.

Referring to fig. 1, 2 and 3, preferably, two driven wheels 4 may be provided, and a limiting cavity formed by the two driven wheels 4 can limit the test tube 9 to be separated during rotation, and at the same time, the friction force generated by the contact with the test tube 9 is minimum, so that the test tube 9 is not easily blocked from rotating, thereby facilitating the driving wheel 6 to drive the test tube 9 to rotate; the second connecting piece 33 is formed with two brackets for facilitating the installation of the two driven wheels 4; the guide 321 can be provided with two, two guide 321 intervals certain distance set up, and elastic component 322 corresponds is equipped with two for the device is more steady in service, and the reliability is higher. Three, four or other numbers of the driven wheels 4, the guide members 321 and the elastic members 322 may be provided according to actual needs.

It should be noted that, after the assembly, the elastic member 322 has a certain amount of pre-pressure to ensure that the elastic member 322 can provide an elastic force from the driven wheel 4 toward the driving wheel 6. In the operation process of the device, the first driving mechanism 2 drives the first connecting piece 31 to move towards the direction close to the driving wheel 6, the driven wheel 4 stops moving to a certain position, the driven wheel 4, the test tube 9 and the driving wheel 6 are in a close contact state at the moment, namely the driving wheel 6 compresses the test tube 9 in the limiting concave cavity, and after the bar code information of the test tube 9 is scanned and read by the scanner, the first driving mechanism 2 obtains a signal to start to operate and drives the driven wheel 4 to return to the original position.

It should be understood that when the driven wheel 4 is not in contact with the test tube 9, the elastic force of the elastic member 322 acts on the guide member 321, and the guide member 321 slides to move the second connecting member 33 and the driven wheel 4; when driven wheel 4 and test tube 9 contact, first actuating mechanism 2 can not stop immediately this moment (time and the distance that first actuating mechanism 2 ran are fixed), and driven wheel 4 still can continue to move towards the direction of action wheel 6 promptly, and driven wheel 4 passes through test tube 9 and to elastic component 322 reaction force this moment, and elastic component 322 is compressed until first actuating mechanism 2 stops to the protection test tube 9 can not crushed by driven wheel 4.

Referring to fig. 2 and 3, further, the test tube rotating apparatus further includes a sensor 7 fixed to the bottom frame 1, and a sensing piece 8 fixed to the guide member 321, the sensing piece 8 has two sensing portions 81 arranged at an interval, and the two sensing portions 81 and the sensor 7 form two sensing states together. Specifically, the sensor 7 may be an infrared sensor, one end of the sensing piece 8 is fixed between the second connecting member 33 and the abutting portion 3212, and the other end is bent toward the direction of the guide member 321 to form a blocking plate, which can block dust from adhering to the guide member 321, so as to ensure smooth sliding of the guide member 321; meanwhile, the baffle extends towards the direction of the sensor 7 to form two sensing parts 81 arranged at intervals, and as the two sensing parts 81 can form two sensing states with one sensor 7, compared with the prior art in which two sensors 7 are arranged to form two sensing states, one sensor 7 can be saved.

It should be noted that, when there is not test tube 9 in the spacing cavity, from the driving wheel 4 can not give elastic component 322 reaction force, elastic component 322 can not compressed this moment, first actuating mechanism 2 drive response piece 8 moves towards the direction of action wheel 6, when from driving wheel 4 to move to being close to action wheel 6 soon, one of them response portion 81 of response piece 8 triggers sensor 7, first actuating mechanism 2 stops earlier then reverse motion this moment, drive from the backward movement such as driving wheel 4 and retreat to the home position, when retreating the home position, another response portion 81 of response piece 8 triggers sensor 7, then first actuating mechanism 2 stall.

Referring to fig. 1, 2 and 3, further, the first driving mechanism 2 includes a first driving source 21 fixed to the chassis 1, a driving wheel 22 rotatably mounted on the chassis 1, a driving belt 23 wound between an output end of the first driving source 21 and the driving wheel 22, a guide rail 24 fixed to a side of the chassis 1 away from the first driving source 21, a sliding block 25 slidably mounted on the guide rail 24, and a first transmission member 26 fixedly connected to the driving belt 23 and the sliding block 25, respectively, and the return structure 3 is fixed to the sliding block 25. Specifically, the first driving source 21 may be a rotating electrical machine, the driving wheel 22 may be a roller rotatably assembled to the chassis 1 by a pin, the driving belt 23 may be a belt, the first driving member 26 may be a U-shaped plate, one side of the U-shaped plate is fixed to the driving belt, and the other side of the U-shaped plate extends into a space between two sides of the first connecting member 31 and is fixed to the slider 25 together with the first connecting member 31, so that a space occupied by the first driving mechanism 2 can be reduced, and the overall size of the device can be further reduced.

Referring to fig. 1, preferably, two driving wheels 22 may be provided, and the two driving wheels 22 and the first driving source 21 are arranged in a triangular shape, which is beneficial to improving the stability of the transmission, so that the movement of the driven wheel 4 is more stable. According to actual needs, the driving wheels 22 can be provided with one, three, four and the like; the first driving source 21 may be a linear motor, i.e., the first driving source 21 directly drives the first link plate to move.

Referring to fig. 1 and 2, further, the second driving mechanism 5 includes a second driving source 51 fixed to the bottom frame 1, a supporting plate 52 fixed to the bottom frame 1, a bearing member fixed in the supporting plate 52, a second transmission member 53 having one end fixed to an output end of the second driving source 51 and the other end penetrating through and being assembled to the bearing member, and a driving wheel 6 sleeved and fixed to the second transmission member 53, wherein the bearing member and the second transmission member 53 are coaxially disposed, and the supporting plate 52 is located between the second driving source 51 and the driving wheel 6. Specifically, the second driving source 51 may be a rotating electrical machine, the support plate 52 may be a rectangular plate, the bearing member may be a rolling bearing, and the second transmission member 53 may be a transmission shaft; because the second transmission member 53 penetrates through and is assembled on the bearing member, and the bearing member and the second transmission member 53 are coaxially arranged, the supporting plate 52 can prevent the driving wheel 6 from shaking when rotating due to the fact that the second transmission member 53 is too long. It should be understood that the second driving source 51 can drive the driving wheel 6 to rotate through the second transmission piece 53.

Referring to fig. 2, 5 and 6, in an embodiment, the driving wheel 6 is hollow, a limiting portion 61 is formed by inward protrusion of an inner wall of the driving wheel 6, the second driving mechanism 5 further includes a rotating block 54 sleeved and fixed outside the second transmission member 53, and a limiting plate 55 fixed at an end of the rotating block 54 far away from the second driving source 51, the limiting plate 55 and the limiting portion form a limiting space, the driving wheel 6 is sleeved and fixed outside the rotating block 54, and the limiting portion 61 is embedded in the limiting space. Specifically, in the axial direction, the limiting portion 61 is located in the middle region of the driving wheel 6, and a space is left between the limiting portion 61 and the end of the driving wheel 6, so that the driving wheel 6 is sleeved outside the limiting plate 55; two limiting parts 61 can be arranged, the two limiting parts 61 are symmetrically arranged by taking the second transmission piece 53 as a symmetry axis, the limiting plate 55 can be a circular plate, and the outer diameter of the limiting plate 55 is the same as that of the rotating block 54, so as to ensure that the driving wheel 6 can cover the limiting plate 55; when the driving wheel 6 is sleeved and fixed on the outer side of the rotating block 54, the limiting part 61 is embedded in the limiting space, one side of the limiting part 61 abuts against the rotating block 54 at the moment, and the other side abuts against the limiting plate 55, so that the limiting part 61 is limited in the limiting space along the axial direction, and the fixed assembly between the driving wheel 6 and the rotating block 54 is completed. It should be understood that the rotating block 54 and the driving wheel 6 are tightly assembled and fixed without screws, and the limiting plate 55 can prevent the driving wheel 6 from falling off downwards.

Referring to fig. 1 and 2, in an embodiment, the chassis 1 includes a first bracket 11, a second bracket 12, and a connecting bottom plate 13 fixedly connected to the first bracket 11 and the second bracket 12, respectively, a first waist-shaped groove is disposed at a connecting end of the first bracket 11 and/or the connecting bottom plate 13 and the first bracket 11, a second waist-shaped groove is disposed at a connecting end of the second bracket 12 and/or the connecting bottom plate 13 and the second bracket 12, and a length extending direction of the first waist-shaped groove is perpendicular to a length extending direction of the second waist-shaped groove. Specifically, the first bracket 11 and the connecting bottom plate 13, and the second bracket 12 and the connecting bottom plate 13 are fixed by screws, and the screws are fixed in a first waist-shaped groove and a second waist-shaped groove; the length extension direction of the first waist-shaped groove is parallel to the driving direction of the first driving mechanism 2, that is, the second bracket 12 can move forwards or backwards through the assembly of the adjusting screw and the first waist-shaped groove, so that the position of the second driving mechanism 5 in the front-back direction can be adjusted; the length extending direction of the second waist-shaped groove is perpendicular to the driving direction of the first driving mechanism 2, that is, the second support 12 can move leftwards or rightwards through the assembly of the adjusting screw and the second waist-shaped groove, so that the position of the second driving mechanism 5 in the left-right direction can be adjusted, and the alignment of the driving wheel 6 and the driven wheel 4 can be conveniently realized.

It should be noted that, the first waist-shaped groove may be only formed on the first support 11 or the connecting bottom plate 13, or may be respectively formed on the first support 11 and the connecting bottom plate 13, and the second waist-shaped groove may be only formed on the second support 12 or the connecting bottom plate 13, or may be respectively formed on the second support 12 and the connecting bottom plate 13; the connecting bottom plate 13 can be an L-shaped plate, which is convenient for connecting the first bracket 11 and the second bracket 12; first support 11 can be similar rectangle support, first support 11 has interconnect's first face, second face and third face, and the face mutually perpendicular of first face, second face and third face sets up, first driving source 21, drive wheel 22 and drive belt 23 all are located similar rectangle support's first face, guide rail 24 fixes the second face at rectangle support, and the second face links to each other with connecting bottom plate 13, thereby can make full use of first support 11's space, further reduce the overall dimension of device.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. A test tube rotating apparatus, comprising: the test tube test device comprises a base frame, a first driving mechanism assembled on the base frame, a return structure assembled at the output end of the first driving mechanism, at least two driven wheels rotatably assembled on the return structure and arranged at intervals, a second driving mechanism assembled on the base frame, and a driving wheel fixed at the output end of the second driving mechanism, wherein a limiting concave cavity matched with a test tube is formed between the driven wheels, and the driving wheel is positioned on the opening side of the limiting concave cavity; the first driving mechanism is used for driving the driven wheel to move towards the direction close to or far away from the driving wheel, the second driving mechanism is used for driving the driving wheel to rotate, the rotating shaft of the driven wheel is parallel to the rotating shaft of the driving wheel, and the return structure is used for providing elasticity towards the direction close to the driving wheel for the driven wheel.

2. The test tube rotating apparatus according to claim 1, wherein the restoring structure includes a first connecting member fixed to the first driving mechanism, a restoring member movably connected to the first connecting member, and a second connecting member fixedly connected to the restoring member, the driven wheel is rotatably mounted on an end of the second connecting member away from the restoring member, and the restoring member is configured to provide the elastic force.

3. The test tube rotating apparatus according to claim 2, wherein the restoring assembly includes a guide movably assembled to the first connecting member and fixedly connected to the second connecting member, and an elastic member having two ends abutting against the guide and the first connecting member, respectively, and a moving direction of the guide is parallel to a driving direction of the first driving mechanism.

4. The cuvette rotary apparatus according to claim 3, wherein the guide member comprises a main body part passing through and slidably fitted to the first coupling member, and an abutting part fixed to an outer side of the main body part, and the elastic member is sleeved to the outer side of the main body part and abuts against the abutting part.

5. The test tube rotating apparatus according to claim 3, further comprising a sensor fixed to the bottom frame, and a sensing piece fixed to the guide, the sensing piece having two sensing portions arranged at an interval, the two sensing portions forming two sensing states together with the sensor.

6. The cuvette rotating apparatus according to claim 1, wherein the first driving mechanism includes a first driving source fixed to the base frame, a driving wheel rotatably fitted to the base frame, a driving belt wound between an output end of the first driving source and the driving wheel, a guide rail fixed to a side of the base frame remote from the first driving source, a slider slidably fitted to the guide rail, and a first driving member fixedly coupled to the driving belt and the slider, respectively, and the return structure is fixed to the slider.

7. The cuvette rotating apparatus according to claim 1, wherein the second driving mechanism includes a second driving source fixed to the base frame, a supporting plate fixed to the base frame, a bearing member fixed in the supporting plate, a second transmission member having one end fixed to an output end of the second driving source and the other end penetrating through and fitted to the bearing member, and a driving wheel fixed to the second transmission member, the bearing member being coaxially disposed with the second transmission member, the supporting plate being located between the second driving source and the driving wheel.

8. The test tube rotating device according to claim 7, wherein the inside of the driving wheel is hollow, a limiting portion is formed by inward protrusion from the inner wall of the driving wheel, the second driving mechanism further comprises a rotating block fixed on the outer side of the second transmission member and a limiting plate fixed on one end of the rotating block far away from the second driving source, the limiting plate and the rotating block jointly form a limiting space, the driving wheel is fixed on the outer side of the rotating block in a sleeved mode, and the limiting portion is embedded in the limiting space.

9. The test tube rotating device according to claim 1, wherein the bottom frame comprises a first support, a second support and a connecting bottom plate fixedly connected to the first support and the second support respectively, a first waist-shaped groove is formed in the connecting end of the first support and/or the connecting bottom plate and the first support, a second waist-shaped groove is formed in the connecting end of the second support and/or the connecting bottom plate and the second support, and the length extending direction of the first waist-shaped groove is perpendicular to the length extending direction of the second waist-shaped groove.

10. A barcode detection system comprising a cuvette rotation device according to any one of claims 1-9 and a scanner for scanning a barcode on the cuvette.

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