CN115656075B - Spectrophotometer capable of continuous sample introduction - Google Patents

Abstract

The invention discloses a spectrophotometer capable of continuously feeding samples, which comprises a shell, wherein a detection analysis module and a detection frame which are matched with each other are arranged in the shell, a detection port is formed in the detection frame, a rotating roller is arranged on the bottom surface wall in the shell through a support frame, a plate type conveying belt is sleeved on the rotating roller, a plurality of clamping assemblies which are distributed at equal intervals are arranged on the plate type conveying belt, and annular guide rails are respectively arranged on two sides of each clamping assembly. According to the invention, the plate-type conveying belt is driven by the driving motor to intermittently move, so that the continuous sample introduction detection of the sample is realized, after the sample in the cuvette is detected, the cuvette firstly discharges the sample, then the sample is sequentially cleaned and dried by the cleaning head and the drying head, and finally the cleaning mechanism is driven by the driving motor, so that the cleaning roller cleans the cuvette, and the cleaned cuvette finally falls into the storage box, so that the cuvette is quickly recycled.

Description

Spectrophotometer capable of continuous sample introduction

Technical Field

The invention relates to the technical field of spectrophotometers, in particular to a spectrophotometer capable of realizing continuous sample introduction.

Background

A spectrophotometer, also called a spectrometer, is a scientific instrument that decomposes light with complex components into spectral lines. The measurement range generally includes the visible light region having a wavelength range of 380 to 780nm and the ultraviolet light region having a wavelength range of 200 to 380 nm. Different light sources have their own emission spectra, so that different illuminants can be used as the light source for the instrument.

The operation flow of the existing spectrophotometer is that firstly, a prepared sample is manually guided into a cuvette, then a hatch door is closed for detection and analysis, and after the analysis is finished, the hatch door needs to be opened again to guide out the solution in the cuvette and carry out the next sample determination after the solution is rinsed. The above operation has the following disadvantages: only single sample determination can be realized, the process is relatively complicated, and continuous processing determination cannot be realized. Therefore, the application provides a device which can realize continuous sample introduction and cleaning and is used for realizing continuous detection.

Disclosure of Invention

The invention aims to: in order to solve the problems, a spectrophotometer capable of continuously feeding samples is provided.

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

a spectrophotometer capable of realizing continuous sample introduction comprises a shell, wherein a detection analysis module and a detection frame which are matched with each other are arranged in the shell, a detection port is formed in the detection frame, a rotary roller is arranged on the bottom surface wall in the shell through a support frame, a plate type conveying belt is sleeved on the rotary roller, a plurality of clamping components which are distributed at equal intervals are arranged on the plate type conveying belt, annular guide rails matched with the plate type conveying belt are respectively arranged on two sides of each clamping component, and a cuvette is placed on the inner side of each clamping component;

the clamping assembly comprises a strip-shaped chute arranged on the plate-type conveying belt, and two clamping plates matched with each other are connected in the strip-shaped chute in a sliding mode to clamp the color dishes;

the annular guide rail is composed of a first guide rail and a second guide rail, a guide groove is formed in the inner side of the annular guide rail, one sides, away from each other, of two clamping plates which are matched with each other are respectively connected with the guide grooves in the two sides of the clamping assembly in a sliding mode, and the distance between the first guide rails in the two sides of the clamping assembly is smaller than that between the second guide rails in the two sides of the clamping assembly;

a sample box, a cleaning box and a storage box are sequentially arranged on the bottom surface wall inside the shell below the plate type conveying belt, a cleaning head and a drying head matched with the cuvette are arranged in the cleaning box, a cleaning mechanism is arranged between the cleaning box and the storage box, a transmission gear is arranged on the supporting frame, the transmission gear is coaxially and fixedly connected with the rotating roller through a connecting shaft, a supporting table is arranged on the detection frame, a driving motor is arranged on the supporting table, and an intermittent mechanism is arranged between the driving motor and the transmission gear to drive the transmission gear to rotate intermittently;

clearance mechanism include with inside bottom surface wall fixed connection's of casing support, it is connected with the bull stick to rotate on the support, bull stick mid portion is equipped with coupling assembling, coupling assembling includes two mutual parallel arrangement's hang plate, and two hang plates keep away from one side each other respectively with bull stick fixed connection, rotate through connecting rod two between two hang plates and connect, rotate on the connecting rod two and be connected with connecting rod three, connecting rod three is kept away from two one end of connecting rod and is connected with connecting rod four through the universal joint, fixedly connected with traveller on the support, sliding connection has the sliding seat on the traveller, connecting rod four is kept away from three one end of connecting rod and is rotated with the sliding seat and be connected, the sliding seat is connected with the clearance roller with cell matched with through the linking arm, be equipped with drive assembly between driving motor and the bull stick and rotate in order to drive the bull stick.

Preferably, the transmission assembly comprises a gear box, a first bevel gear, a second bevel gear, a transmission rod and a synchronous belt, the gear box is fixedly connected to the support, the lower end of the rotating rod extends into the gear box and is fixedly connected with the first bevel gear which is coaxially arranged, the transmission rod penetrates through the gear box, one end of the transmission rod is fixedly connected with the second bevel gear which is coaxially arranged, the first bevel gear and the second bevel gear are meshed and connected, and the other end of the transmission rod is connected with the output end of the driving motor through the synchronous belt.

Preferably, intermittent mechanism includes connecting block, fluted disc, annular spout, spacing groove, disc, cam, stand and spacing subassembly, ring rail outside fixedly connected with connecting block, annular spout has been seted up to fluted disc one side, the connecting block passes through annular spout and fluted disc sliding connection, the spacing groove has been seted up on the fluted disc, the disc of the coaxial setting of driving motor's output fixedly connected with, the cam of the coaxial setting of driving motor one side fixedly connected with is kept away from to the disc, disc one side fixedly connected with and spacing groove matched with stand are kept away from to the cam, still be equipped with on the fluted disc with spacing groove and cam matched with spacing subassembly.

Preferably, spacing subassembly includes "Contraband" type frame, connecting rod one, gyro wheel, spacing section of thick bamboo, fixed block and spring, annular guide rail outside fixedly connected with "Contraband" type frame, it has connecting rod one to run through on the "Contraband" type frame, connecting rod one comprises montant one, montant two and horizontal pole, fixedly connected with spacing section of thick bamboo on the horizontal pole, montant one and montant two all with "Contraband" type frame sliding connection, horizontal pole one end fixedly connected with gyro wheel is kept away from to montant two, fixedly connected with fixed block on the montant one, the cover is equipped with the spring on the montant one, the both ends of spring respectively with fixed block and "Contraband" type frame fixed connection, the periphery butt of gyro wheel and cam.

Preferably, the first vertical rod and the second vertical rod are arranged in parallel, two ends of the cross rod are fixedly connected with the upper ends of the first vertical rod and the second vertical rod respectively, and the axle center of the roller is parallel to the axle center of the cross rod.

Preferably, the limiting grooves are arranged in a plurality of numbers, and the limiting grooves are distributed in an annular equidistant mode relative to the axis of the fluted disc.

Preferably, the lateral wall both sides of casing all are equipped with the side case, sample case, washing case and deposit the case and all set up to the drawer type box, are close to and deposit the side case of case and on set up with board-like conveyer belt and centre gripping subassembly matched with introduction port.

Preferably, the storage box is positioned below the second guide rail, and the sample box and the cleaning box are positioned below the first guide rail.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. this application is through being equipped with intermittent type mechanism, drive plate conveyor belt through driving motor and carry out intermittent type and remove, realize advancing the appearance in succession of sample and detect, be equipped with the cleaning head, drying head and clearance mechanism, after the sample in the cell is accomplished and is detected, the cell is earlier with sample discharge, wash it by cleaning head and drying head in proper order again and dry, drive clearance mechanism by driving motor at last for the contrast cell is cleared up to the cleaning roller, the cell that the clearance was accomplished finally falls into and deposits the incasement, thereby realize the quick cycle use of cell.

2. This application is through being equipped with the sample case, wash the case and deposit the case, collect the sample that detects the completion by the sample case, collect the sewage that produces in the cleaning head cleaning process by wasing the case, collect the completion by depositing the case and wash, the cell of stoving and clearance, simultaneously the sample case, wash the case and deposit the case and all set up to drawer type box, the operating personnel of being convenient for takes out the sample case and wash the case and handle, the operating personnel of being convenient for simultaneously takes out and deposits the case, it continues to use to take out the cell wherein, advance the appearance, detect, the clearance, step such as stoving and clearance can go on simultaneously, realize the continuous processing survey, spectrophotometer's detection efficiency has been improved greatly.

Drawings

FIG. 1 is a schematic diagram showing an external structure of a spectrophotometer provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a structural cooperation between a plate conveyor belt and a detection frame according to an embodiment of the invention;

FIG. 3 is a schematic view of another angle for matching the plate conveyor belt with the detection frame structure according to the embodiment of the invention;

fig. 4 is a schematic structural view illustrating a plate-type conveyor belt and an endless guide rail provided according to an embodiment of the present invention;

FIG. 5 illustrates a top view of a ring rail and clamp assembly structure provided in accordance with an embodiment of the present invention;

FIG. 6 illustrates a partial structural view of a circular guide rail provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a cleaning mechanism and an intermittent mechanism provided according to an embodiment of the invention;

FIG. 8 is a schematic view of another angle of the cleaning mechanism and the intermittent mechanism structure provided according to the embodiment of the invention;

FIG. 9 illustrates an exploded view of an intermittent mechanism configuration provided in accordance with an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a position limiting assembly according to an embodiment of the present invention;

FIG. 11 is a schematic diagram illustrating a cleaning mechanism provided in accordance with an embodiment of the present invention;

FIG. 12 illustrates a sectional view of an internal structure of a gear box provided according to an embodiment of the invention.

Illustration of the drawings:

1. a housing; 2. a detection and analysis module; 3. a detection frame; 4. a detection port; 5. a plate conveyor belt; 6. an annular guide rail; 601. a first guide rail; 602. a second guide rail; 7. a strip-shaped chute; 8. a splint; 9. a guide groove; 10. a cuvette; 11. a sample box; 12. a cleaning tank; 13. a cleaning head; 14. a drying head; 15. a storage box; 16. a side box; 17. a sample inlet; 18. a transmission gear; 19. a connecting shaft; 20. connecting blocks; 21. a fluted disc; 22. an annular chute; 23. a limiting groove; 24. a drive motor; 25. a disc; 26. a cam; 27. a column; 28. a "Contraband" form; 29. a first connecting rod; 2901. a first vertical rod; 2902. a second vertical rod; 2903. a cross bar; 30. a roller; 31. a limiting cylinder; 32. a fixed block; 33. a spring; 34. a support; 35. a rotating rod; 36. a traveler; 37. an inclined plate; 38. a second connecting rod; 39. a third connecting rod; 40. a connecting rod IV; 41. a sliding seat; 42. a connecting arm; 43. cleaning the roller; 44. a gear case; 45. a first bevel gear; 46. a second bevel gear; 47. a transmission rod; 48. a timing belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution:

a spectrophotometer capable of continuously feeding samples comprises a shell 1, a detection and analysis module 2 and a detection frame 3 which are matched with each other are arranged in the shell 1, a detection port 4 is formed in the detection frame 3, a rotary roller is arranged on the bottom surface wall in the shell 1 through a support frame, a plate type conveying belt 5 is sleeved on the rotary roller, a plurality of clamping assemblies which are distributed at equal intervals are arranged on the plate type conveying belt 5, annular guide rails 6 matched with the plate type conveying belt 5 are respectively arranged on two sides of each clamping assembly, and a cuvette 10 is placed on the inner side of each clamping assembly; the clamping component comprises a strip-shaped chute 7 arranged on the plate-type conveying belt 5, and two clamping plates 8 which are matched with each other are connected in the strip-shaped chute 7 in a sliding manner to clamp the color vessel 10; the annular guide rail 6 consists of a first guide rail 601 and a second guide rail 602, a guide groove 9 is formed in the inner side of the annular guide rail 6, two clamping plates 8 which are matched with each other are far away from one side and are respectively connected with the guide grooves 9 on the two sides of the clamping assembly in a sliding mode, the distance between the first guide rails 601 on the two sides of the clamping assembly is smaller than that between the second guide rails 602 on the two sides of the clamping assembly, when the clamping assembly is located at the first guide rail 601, the two clamping plates 8 can just clamp the cuvette 10, meanwhile, rubber pads are arranged on the inner sides of the clamping plates 8, friction of the cuvette 10 is increased, and damage to the cuvette 10 is avoided while the clamping effect is improved;

a sample box 11, a cleaning box 12 and a storage box 15 are sequentially arranged on the bottom surface wall inside the shell 1 below the plate type conveying belt 5, a cleaning head 13 and a drying head 14 which are matched with the cuvette 10 are arranged in the cleaning box 12, a cleaning mechanism is arranged between the cleaning box 12 and the storage box 15, a transmission gear 18 is arranged on the supporting frame, the transmission gear 18 is coaxially and fixedly connected with the rotating roller through a connecting shaft 19, a supporting table is arranged on the detection frame 3, a driving motor 24 is arranged on the supporting table, and an intermittent mechanism is arranged between the driving motor 24 and the transmission gear 18 to drive the transmission gear 18 to rotate intermittently; the cleaning mechanism comprises a support 34 fixedly connected with the bottom surface wall inside the shell 1, a rotating rod 35 is connected to the support 34 in a rotating mode, a connecting assembly is arranged in the middle of the rotating rod 35 and comprises two inclined plates 37 arranged in parallel, one sides, far away from each other, of the two inclined plates 37 are fixedly connected with the rotating rod 35 respectively, the two inclined plates 37 are connected with each other in a rotating mode through a second connecting rod 38, a third connecting rod 39 is connected to the second connecting rod 38 in a rotating mode, one end, far away from the second connecting rod 38, of the third connecting rod 39 is connected with a fourth connecting rod 40 through a universal joint, a sliding column 36 is fixedly connected to the support 34 and is connected with a sliding seat 41 in a sliding mode, one end, far away from the third connecting rod 39, of the fourth connecting rod 40 is connected with the sliding seat 41 in a rotating mode, the sliding seat 41 is connected with a cleaning roller 43 matched with the cuvette 10 through a connecting arm 42, a transmission assembly is arranged between the driving motor 24 and the rotating rod 35 to drive the rotating rod 35 to rotate the rotating rod 35, the second connecting rod 38 is preferably arranged perpendicular to the inclined plate 37, therefore, the axis of the rotating rod 35 and the second connecting rod 38 is driven to drive the rotating rod to clean the cleaning roller, the rotating rod 38 and the reciprocating movement of the sliding seat is preferably arranged to reduce the degree of the stain on the cuvette 10, and the stain on the cuvette is preferably to be detected by the stain removing roller, and the stain removing the stain on the stain removing roller is preferably to be detected by the stain removing roller 10, and the stain removing device is preferably to reduce the stain removing device 10.

Specifically, as shown in fig. 7, 8, 11 and 12, the transmission assembly includes a gear box 44, a first bevel gear 45, a second bevel gear 46, a transmission rod 47 and a timing belt 48, the gear box 44 is fixedly connected to the bracket 34, the lower end of the rotating rod 35 extends into the gear box 44 and is fixedly connected to the first bevel gear 45 coaxially disposed, the transmission rod 47 penetrates through the gear box 44, one end of the transmission rod 47 is fixedly connected to the second bevel gear 46 coaxially disposed, the first bevel gear 45 is engaged with the second bevel gear 46, and the other end of the transmission rod 47 is connected to the output end of the driving motor 24 through the timing belt 48. Through transmission assembly's setting for intermittent type mechanism and clearance mechanism are through the drive of same driving motor 24, have guaranteed synchronization and cooperation between the two, are equipped with synchronous belt 48 simultaneously, through the diameter size that changes transfer line 47 and driving motor 24 output, realize the drive ratio between driving motor 24 output and the transfer line 47, and then make the cooperation between plate conveyor 5 and the cleaning roller 43 more reasonable.

Specifically, as shown in fig. 7, fig. 8, fig. 9 and fig. 10, the intermittent mechanism includes a connecting block 20, a fluted disc 21, an annular chute 22, a limiting groove 23, a disc 25, a cam 26, an upright post 27 and a limiting component, the connecting block 20 is fixedly connected to the outer side of the annular guide rail 6, the annular chute 22 is provided on one side of the fluted disc 21, the connecting block 20 is slidably connected to the fluted disc 21 through the annular chute 22, the limiting groove 23 is provided on the fluted disc 21, the disc 25 is coaxially arranged at the output end of the driving motor 24, the cam 26 is coaxially arranged at one side of the disc 25 far away from the driving motor 24, the upright post 27 is fixedly connected to one side of the cam 26 far away from the disc 25 and is matched with the limiting groove 23, and the limiting component matched with the limiting groove 23 and the cam 26 is further arranged on the fluted disc 21. The limiting assembly comprises a Contraband type frame 28, a first connecting rod 29, rollers 30, a limiting cylinder 31, a fixing block 32 and a spring 33, the outer side of the annular guide rail 6 is fixedly connected with the Contraband type frame 28, the Contraband type frame 28 is penetrated with the first connecting rod 29, the first connecting rod 29 comprises a first vertical rod 2901, a second vertical rod 2902 and a transverse rod 2903, the transverse rod 2903 is fixedly connected with the limiting cylinder 31, the first vertical rod 2901 and the second vertical rod 2902 are both in sliding connection with the Contraband type frame 28, one end, far away from the transverse rod 2903, of the second vertical rod 2902 is fixedly connected with the rollers 30, the first vertical rod 2901 is fixedly connected with the fixing block 32, the first vertical rod 2901 is sleeved with the spring 33, two ends of the spring 33 are respectively and fixedly connected with the fixing block 32 and the Contraband type frame 28, and the rollers 30 are abutted to the periphery of the cam 26. The first vertical rod 2901 is parallel to the second vertical rod 2902, the two ends of the cross rod 2903 are respectively fixedly connected with the upper ends of the first vertical rod 2901 and the second vertical rod 2902, and the axle center of the roller 30 is parallel to the axle center of the cross rod 2903. The limiting grooves 23 are provided in plurality, and the limiting grooves 23 are distributed in an annular shape at equal intervals about the axis of the fluted disc 21. Be equipped with intermittent type mechanism, drive plate conveyor 5 through driving motor 24 and carry out intermittent type and remove, realize the continuous sampling of sample and detect, be equipped with spacing subassembly, after stand 27 breaks away from with spacing groove 23, go into corresponding spacing groove 23 by spacing section of thick bamboo 31 card on the spacing subassembly for fluted disc 21 remains stable throughout.

Specifically, as shown in fig. 1, 2 and 3, side boxes 16 are disposed on two sides of the outer side wall of the housing 1, the sample box 11, the cleaning box 12 and the storage box 15 are drawer-type boxes, and a sample inlet 17 matched with the plate-type conveyor belt 5 and the clamping assembly is disposed on the side box 16 close to the storage box 15. The storage box 15 is located below the second guide rail 602, and the sample box 11 and the wash box 12 are located below the first guide rail 601. In order to improve the sample leakproofness when detecting, can set up the apron on the introduction port 17, deposit 15 inside blotters that are provided with of case simultaneously, receive the damage when preventing that cell 10 from falling to depositing in the case 15, sample box 11, wash case 12 and deposit case 15 and all set up to the drawer type box, the operating personnel of being convenient for takes out sample box 11 and washs case 12 and handle, the operating personnel of being convenient for simultaneously takes out and deposits case 15, it continues the use to take out cell 10 wherein, advance the appearance, detect, the clearance, steps such as stoving and clearance can be gone on simultaneously, realize the continuous processing survey, spectrophotometer's detection efficiency has been improved greatly.

In summary, in the spectrophotometer capable of continuous sample injection provided in this embodiment, when in use, a sample to be detected is firstly introduced into the cuvette 10, the cuvette 10 is placed into the inner side of the corresponding clamping component at the second guide rail 602 on the plate-type conveyer belt 5 through the sample inlet 17, the disc 25, the cam 26 and the column 27 are driven to rotate by starting the driving motor 24, the column 27 rotates into the limiting groove 23, so as to drive the fluted disc 21 to rotate, when the column 27 enters the limiting groove 23, the roller 30 is separated from the protruding portion on the cam 26, under the action of the spring 33, the roller 30 is always abutted against the periphery of the cam 26, so as to drive the limiting cylinder 31 to be separated from the corresponding limiting groove 23, the limitation on the fluted disc 21 is cancelled, the fluted disc 21 slides with the connecting block 20 through the annular chute 22 under the action of the column 27, the column 27 continuously rotates until being separated from the limiting groove 23, the fluted disc 21 rotates a certain angle, when the upright post 27 is separated from the limiting groove 23, the cam 26 just rotates until the convex part is contacted with the roller 30, so that the second vertical rod 2902 and the first vertical rod 2901 slide relative to the Contraband model frame 28, the limiting cylinder 31 is clamped into the corresponding limiting groove 23 again, the fluted disc 21 is limited, the fluted disc 21 rotates to drive the transmission gear 18 to rotate a certain angle, the plate type conveying belt 5 is driven to move for a certain distance through the connecting shaft 19, so that the plate type conveying belt 5 intermittently moves, the clamping component in sliding connection with the second guide rail 602 moves along with the movement of the plate type conveying belt 5, when the clamping component moves from sliding connection with the second guide rail 602 to sliding connection with the first guide rail 601, the first guide rail 601 at two sides becomes smaller in distance to enable the two clamping plates 8 to approach each other until the cuvette 10 is clamped, and the cuvette 10 continuously intermittently moves forward along with the plate type conveying belt 5, when the clamping component with the cuvette 10 is driven to move to the detection port 4 of the detection frame 3, the sample in the cuvette 10 is detected by the detection and analysis module 2, the cuvette 10 with the detected sample continues to advance along with the plate-type conveying belt 5, the cuvette 10 with the detected sample moves to the lower part of the plate-type conveying belt 5, the sample in the cuvette 10 is dumped and falls into the sample box 11, the cuvette 10 continues to advance to the upper part of the cleaning box 12, the cleaning head 13 cleans the cuvette 10, the drying head 14 dries the cuvette 10, the cleaned and dried cuvette 10 continues to advance, the driving motor 24 drives the disc 25 to rotate and simultaneously drives the transmission rod 47 to rotate through the synchronous belt 48, so as to drive the bevel gear II 46 to rotate, so that the bevel gear I45 engaged with the disc rotates, further drives the rotating rod 35 to rotate, the rotating rod 35 rotates to drive the connecting rod III to swing back and forth through the inclined plate 37 and the connecting rod II 38, so as to drive the connecting rod IV seat 41 to move up and down through the connecting rod 41, the connecting arm 43 moves up and down, so that the clamping component 10 moves back and forth to the clamping component moves back and forth, so that the clamping component 10 is removed from the clamping rack 10, and the clamping rack 602, and the clamping component is removed from the clamping rack 10, and the clamping rack 602, and the clamping rack is removed from the clamping rack.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (1)

1. A spectrophotometer capable of realizing continuous sample introduction comprises a shell (1), wherein a detection analysis module (2) and a detection frame (3) which are matched with each other are arranged inside the shell (1), and the spectrophotometer is characterized in that a detection port (4) is formed in the detection frame (3), a rotary roller is arranged on the bottom surface wall inside the shell (1) through a support frame, a plate type conveying belt (5) is sleeved on the rotary roller, a plurality of clamping assemblies which are distributed at equal intervals are arranged on the plate type conveying belt (5), annular guide rails (6) matched with the plate type conveying belt (5) are respectively arranged on two sides of each clamping assembly, and a cuvette (10) is placed on the inner side of each clamping assembly;

the clamping assembly comprises a strip-shaped sliding chute (7) arranged on the plate-type conveying belt (5), and two clamping plates (8) matched with each other are connected in the strip-shaped sliding chute (7) in a sliding mode to clamp the color vessel (10);

the annular guide rail (6) consists of a first guide rail (601) and a second guide rail (602), a guide groove (9) is formed in the inner side of the annular guide rail (6), one side, away from each other, of two clamping plates (8) which are matched with each other is respectively connected with the guide grooves (9) on the two sides of the clamping assembly in a sliding mode, and the distance between the first guide rails (601) on the two sides of the clamping assembly is smaller than that between the second guide rails (602) on the two sides of the clamping assembly;

a sample box (11), a cleaning box (12) and a storage box (15) are sequentially arranged on the bottom surface wall inside the shell (1) below the plate-type conveying belt (5), a cleaning head (13) and a drying head (14) which are matched with the cuvette (10) are arranged in the cleaning box (12), a cleaning mechanism is arranged between the cleaning box (12) and the storage box (15), a transmission gear (18) is arranged on the supporting frame, the transmission gear (18) is coaxially and fixedly connected with the rotary roller through a connecting shaft (19), a supporting frame is arranged on the detection frame (3), a driving motor (24) is arranged on the supporting frame, and an intermittent mechanism is arranged between the driving motor (24) and the transmission gear (18) to drive the transmission gear (18) to rotate intermittently;

the cleaning mechanism comprises a support (34) fixedly connected with the inner bottom surface wall of the shell (1), a rotating rod (35) is connected to the support (34) in a rotating mode, a connecting assembly is arranged in the middle of the rotating rod (35), the connecting assembly comprises two inclined plates (37) which are arranged in parallel, one sides, away from each other, of the two inclined plates (37) are fixedly connected with the rotating rod (35), the two inclined plates (37) are connected with each other in a rotating mode through a connecting rod II (38), a connecting rod III (39) is connected to the connecting rod II (38) in a rotating mode, one end, away from the connecting rod II (38), of the connecting rod III (39) is connected with a connecting rod IV (40) through a universal joint, a sliding column (36) is fixedly connected to the support (34), a sliding seat (41) is connected to the sliding column (36) in a sliding mode, one end, away from the connecting rod III (39), of the connecting rod IV (40) is connected with the sliding seat (41) in a rotating mode, a cleaning roller (43) matched with the cuvette (10) is connected to the connecting arm (42), and a transmission assembly is arranged between the driving motor (24) and the rotating rod (35);

the transmission assembly comprises a gear box (44), a first bevel gear (45), a second bevel gear (46), a transmission rod (47) and a synchronous belt (48), the gear box (44) is fixedly connected to the support (34), the lower end of the rotating rod (35) extends into the gear box (44) and is fixedly connected with the first bevel gear (45) which is coaxially arranged, the transmission rod (47) penetrates through the gear box (44), one end of the transmission rod (47) is fixedly connected with the second bevel gear (46) which is coaxially arranged, the first bevel gear (45) and the second bevel gear (46) are meshed and connected, and the other end of the transmission rod (47) is connected with the output end of the driving motor (24) through the synchronous belt (48);

the intermittent mechanism comprises a connecting block (20), a fluted disc (21), an annular sliding groove (22), a limiting groove (23), a disc (25), a cam (26), an upright post (27) and a limiting assembly, wherein the connecting block (20) is fixedly connected to the outer side of the annular guide rail (6), the annular sliding groove (22) is formed in one side of the fluted disc (21), the connecting block (20) is in sliding connection with the fluted disc (21) through the annular sliding groove (22), the limiting groove (23) is formed in the fluted disc (21), the output end of the driving motor (24) is fixedly connected with the coaxially arranged disc (25), one side, away from the driving motor (24), of the disc (25) is fixedly connected with the coaxially arranged cam (26), one side, away from the disc (25), of the cam (26) is fixedly connected with the upright post (27) matched with the limiting groove (23), and the fluted disc (21) is further provided with the limiting assembly matched with the limiting groove (23) and the cam (26);

the limiting assembly comprises a Contraband type frame (28), a first connecting rod (29), a roller (30), a limiting cylinder (31), a fixing block (32) and a spring (33), the outer side of the annular guide rail (6) is fixedly connected with a Contraband type frame (28), the Contraband type frame (28) is penetrated with the first connecting rod (29), the first connecting rod (29) is composed of a first vertical rod (2901), a second vertical rod (2902) and a transverse rod (2903), the transverse rod (2903) is fixedly connected with the limiting cylinder (31), the first vertical rod (2901) and the second vertical rod (2902) are both in sliding connection with the Contraband type frame (28), one end, far away from the transverse rod (2903), of the second vertical rod (2902) is fixedly connected with the roller (30), the first vertical rod (2901) is fixedly connected with the fixing block (32), the spring (2901) is sleeved with the spring (33), and two ends of the spring (33) are respectively connected with the periphery of the roller (29032) and the fixing block (3732) and the cam (3726);

the first vertical rod (2901) and the second vertical rod (2902) are arranged in parallel, two ends of the cross rod (2903) are respectively and fixedly connected with the upper ends of the first vertical rod (2901) and the second vertical rod (2902), and the axis of the roller (30) is parallel to the axis of the cross rod (2903);

the limiting grooves (23) are arranged in a plurality, and the limiting grooves (23) are distributed in an annular and equidistant mode relative to the axis of the fluted disc (21);

side boxes (16) are arranged on two sides of the outer side wall of the shell (1), the sample box (11), the cleaning box (12) and the storage box (15) are all drawer-type boxes, and a sample inlet (17) matched with the plate-type conveying belt (5) and the clamping assembly is formed in the side box (16) close to the storage box (15);

the storage box (15) is positioned below the second guide rail (602), and the sample box (11) and the cleaning box (12) are positioned below the first guide rail (601).

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