Pretreatment device adaptive to different types of sample tubes

Abstract

The utility model provides a pretreatment device adaptive to different types of sample tubes, which is applied to the technical field of medical instruments and is characterized by comprising a rack and a feeding frame rotationally arranged on the rack, the cover opening and closing mechanism is arranged on the rack and is used for opening or closing a tube cover of the sample tube; the digestive juice adding assembly is arranged on the rack and is used for adding digestive juice into the sample tube; the oscillating mechanism is arranged on the rack and is used for oscillating the sample tube added with the digestive juice; loading plates with sample holes with different hole diameter specifications can be detached and replaced on the loading frame, and identification holes with different positions or / and numbers are formed in the loading plates with the sample holes with different hole diameter specifications; an identification sensor which is matched with the identification hole and is used for identifying the type of the sample tube so as to correspond to the processing parameters is arranged on the rack; the device has the technical effects that various types of sample tubes can be compatible for sample loading in the pretreatment medical instrument, and different types of tubes realize different treatment parameters and flows.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a pre-processing device adapted to different types of sample tubes. Background Art

[0002] Before conducting clinical trials of in vitro diagnostic medical devices, it is generally necessary to pre-process the test samples. The pre-processing device in the existing sample pre-processing instrument includes processing processes such as barcode scanning of the sample tube, opening the cover, adding digestion solution, and oscillating and mixing. The processing parameters such as the amount of digestion solution added, oscillating and mixing time, standing time, and opening force for different types of sample tubes are all different. Therefore, an existing pre-processing medical instrument can only process sample tubes of the same type and is not compatible with multiple types of sample tubes. This results in poor compatibility of the pre-processing device in the instrument, and it cannot adapt to pre-processing work of multiple types of sample tubes. Utility Model Content

[0003] The purpose of the utility model is to provide a pre-treatment device adapted to different types of sample tubes, which has the advantage of being compatible with loading of various types of sample tubes in pre-treatment medical instruments, and realizing different treatment parameters and processes for different types of tubes.

[0004] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0005] A pre-processing device adapted for different types of sample tubes, comprising a rack;

[0006] Rotating a loading rack disposed on the frame;

[0007] A cover opening and closing mechanism disposed on the rack and used for opening or closing the tube cover of the sample tube;

[0008] A digestion solution adding component disposed on the rack and used for adding digestion solution into the sample tube;

[0009] and an oscillating mechanism disposed on the rack and used for oscillating the sample tube to which the digestion solution has been added;

[0010] The loading plate with sample holes of different aperture specifications can be removed and replaced on the loading rack, and the loading plate with sample holes of different aperture specifications is provided with identification holes of different positions or / and numbers;

[0011] The rack is provided with an identification sensor which cooperates with the identification hole and is used to identify the type of the sample tube to match the corresponding processing parameters.

[0012] Through the above technical scheme, the switch cover mechanism is used to open or close the tube cover of the sample tube; the digestion solution adding component is used to add digestion solution into the sample tube; the oscillation mechanism is used to oscillate the sample tube to which the digestion solution has been added, so as to evenly mix the sample solution and the digestion solution; the loading plate with sample holes of different aperture specifications is used to carry different types of sample tubes, and the loading rack can remove and replace the loading plate adapted to the sample tube according to the type of sample tube, so that the pre-treatment device can be compatible with a variety of types of sample tubes; the identification sensor detects identification holes at different positions or different numbers to determine the type of sample tube on the loading plate, and the identification sensor transmits electrical signals to various mechanisms and components so that the sample tube matches the corresponding processing parameters; thus, it can be compatible with the loading of various types of sample tubes in the pre-treatment medical instrument, and different types of tubes realize different processing parameters and processes.

[0013] In an embodiment of the present invention, a positioning pin is provided on the loading rack, and a positioning hole matching the positioning pin is provided on the loading plate.

[0014] Through the above technical solution, the positioning pin and the positioning hole are used to accurately install the loading plate on the loading rack.

[0015] In one embodiment of the utility model, a connecting hole is provided on the loading plate, and a threaded hole corresponding to the connecting hole is provided on the loading rack;

[0016] A fixing bolt that penetrates the connecting hole is meshedly connected in the threaded hole.

[0017] Through the above technical solution, the loading plate and the loading rack are connected by fixing bolts, the connection is more firm and the disassembly and assembly is more convenient.

[0018] In one embodiment of the utility model, a conveying support frame and a support plate are fixed on the frame;

[0019] The cover opening and closing mechanism comprises a bottom supporting robot which slides vertically on the supporting plate and a cover grabbing robot which slides horizontally on the conveying supporting frame;

[0020] The bottom supporting manipulator comprises two clamping plates which are driven by a bottom supporting driving member to open and close. Clamping grooves forming clamping holes are provided on opposite sides of the two clamping plates, and two first clamping columns located on the circumference of the clamping holes are fixed on the two clamping plates.

[0021] Through the above technical scheme, the bottom supporting robot slides vertically on the supporting plate to lift the sample tube, and the two clamps are used to clamp the tube body of the sample tube; the cap grabbing robot is used to clamp the tube cap of the sample tube and then screw the tube cap of the sample tube, thereby realizing automatic opening and closing operations of the sample tube and improving the degree of automation of the device.

[0022] In one embodiment of the utility model, the cap grabbing robot comprises a first support plate driven by a first horizontal driving member to slide horizontally on a conveying support frame, a first bracket driven by a first vertical driving member to slide vertically on the first support plate, a screw driving member fixed on the first bracket, a clamping driving member fixed on an output end of the screw driving member, and two clamping blocks fixed on the output end of the clamping driving member and capable of opening and closing movements;

[0023] Two second clamping columns are fixed on the two clamping blocks.

[0024] Through the above technical solution, the first horizontal driving member drives the first support plate to slide horizontally on the conveying support frame, and the first vertical driving member drives the first bracket to slide vertically; the clamping driving member drives the clamping block to open and close, so that the second clamping column clamps the tube cover of the sample tube; the screwing driving member drives the clamping driving member to rotate, and then screws the tube cover to open or close.

[0025] In one embodiment of the utility model, the digestion liquid adding assembly includes a liquid adding support frame fixed on the frame, and a liquid adding nozzle which is swingably connected to the liquid adding support frame and communicated with the liquid storage tank and driven by a swing driving member;

[0026] A liquid receiving cup located below the liquid adding nozzle is fixed on the liquid adding support frame.

[0027] Through the above technical scheme, the liquid adding nozzle is connected to the liquid storage tank, and the swing driving member drives the liquid adding nozzle to swing, so that the liquid adding nozzle adds digestion liquid into the sample tube; when the liquid adding nozzle is not adding digestion liquid, the liquid adding nozzle is located directly above the liquid receiving cup, so that the residual liquid in the liquid adding nozzle is convenient to drop into the liquid receiving cup, avoiding contamination of the device by the digestion liquid.

[0028] In one embodiment of the utility model, the oscillation mechanism includes an oscillation connection frame vertically sliding on the frame, an oscillation driving member arranged on the oscillation connection frame, a tray eccentrically connected to the output end of the oscillation driving member, and a baffle rotatably connected to the frame directly above the tray;

[0029] The tray is provided with a plurality of first limiting grooves with different diameters to adapt to different types of sample tubes.

[0030] Through the above technical solution, the oscillating connecting frame is used to support the tray, the oscillating supporting frame slides vertically on the frame to drive the tray to lift the sample tube from the bottom, the baffle is used to press the tube cover of the sample tube from the top, and the oscillating driving member drives the sample tube to rotate. Since the tray is eccentrically connected to the output end of the oscillating driving member, when the oscillating driving member drives the tray to rotate, the sample and the digestive solution oscillate in the sample tube, and the mixing is more uniform;

[0031] The first limiting grooves of different diameters arranged on the tray are used to limit different types of sample tubes in the tray.

[0032] In one embodiment of the present invention, a scanning mechanism is further included, wherein the scanning mechanism includes a code scanning component and a rotating component;

[0033] The code scanning component includes a scanning support frame fixed on the frame and a scanner fixed on the scanning support frame;

[0034] The rotating assembly includes a scanning connecting frame vertically slidably connected to the scanning supporting frame, a rotating driving member arranged on the scanning connecting frame, and a lifting plate connected to the output end of the rotating driving member;

[0035] The lifting plate is provided with a plurality of second limiting grooves with different diameters to adapt to different types of sample tubes.

[0036] Through the above technical solution, the scanning connection frame is used to support the lifting plate, and the scanning connection frame slides vertically on the scanning support frame, thereby driving the lifting plate to lift the sample tube, and the rotating driving member drives the lifting plate to rotate, so that the scanner can scan the information code on the sample tube;

[0037] The second limiting grooves with different diameters arranged on the supporting plate are used to limit different types of sample tubes in the tray.

[0038] In an embodiment of the present invention, a first detection sensor is disposed on a scanning support frame located below the scanner.

[0039] In one embodiment of the present invention, a second detection sensor is disposed on the scanning support frame located directly above the loading frame.

[0040] Through the above technical solution, the first detection sensor and the second detection sensor are used to detect whether there is a sample tube in the sample hole.

[0041] As described above, the pre-treatment device of the utility model adapted to different types of sample tubes has the following beneficial effects:

[0042] The switch cover mechanism is used to open or close the tube cover of the sample tube; the digestion solution adding component is used to add digestion solution into the sample tube; the oscillation mechanism is used to oscillate the sample tube with digestion solution added to mix the sample solution and the digestion solution evenly; the loading plate with sample holes of different aperture specifications is used to carry different types of sample tubes, and the loading rack can remove and replace the loading plate adapted to the sample tube according to the type of sample tube, so that the pre-treatment device can be compatible with various types of sample tubes; the identification sensor detects identification holes at different positions or different numbers to determine the type of sample tube on the loading plate, and the identification sensor transmits electrical signals to various mechanisms and components so that the sample tube matches the corresponding processing parameters; thus, it can be compatible with the loading of various types of sample tubes in the pre-treatment medical instrument, and different types of tubes realize different processing parameters and processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model from a front perspective;

[0044] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the utility model from a rear perspective;

[0045] Figure 3 It is a schematic diagram of the matching relationship between the circular plate of the embodiment of the utility model and a feeding plate having sample holes with different aperture specifications;

[0046] Figure 4 It is a schematic diagram of the positional relationship between the scanning mechanism and the identification sensor and the identification hole of the embodiment of the utility model;

[0047] Figure 5 It is a schematic diagram of the switch cover mechanism, the digestive fluid adding component and the oscillation mechanism of the embodiment of the utility model.

[0048] 1a, frame; 2b, loading rack; 3b, cover switch mechanism; 4b, digestion solution adding assembly; 5b, oscillation mechanism; 6b, sample hole; 7b, loading plate; 8b, identification hole; 9b, identification sensor; 10b, positioning pin; 11b, positioning hole; 12b, connecting hole; 13b, threaded hole; 14b, fixing bolt; 15b, transmission support frame; 16b, support plate; 301b, bottom supporting manipulator; 302b, cover grabbing manipulator; 3011b, clamping plate; 3012b, bottom supporting driving member; 20b, clamping hole; 21b, first clamping column; 22b, first horizontal driving member; 23b, first vertical driving member; 3021b, first support plate; 3022b, first bracket; 3023b, screw driving member; 3024b, clamping driving member; 3025 b, clamping block; 29b, second clamping column; 31b, swing driving member; 401b, liquid adding support frame; 402b, liquid adding nozzle; 34b, liquid receiving cup; 35b, oscillation support frame; 501b, oscillation connecting frame; 502b, oscillation driving member; 503b, tray; 504b, baffle; 40b, first limiting groove; 41b, scanning mechanism; 411b, code scanning component; 412b, rotating component; 4111b, scanning support frame; 4112b, scanner; 4121b, scanning connecting frame; 4122b, rotating driving member; 4123b, lifting plate; 49b, second limiting groove; 50b, first detection sensor; 51b, second detection sensor; 52b, third detection sensor; 53b, circular plate; 54b, bottom supporting connecting frame; 55b, connecting support plate. DETAILED DESCRIPTION

[0049] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0050] See also Figures 1 to 5 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0051] See also Figure 1 and Figure 2 , the utility model provides a pre-processing device adapted to different types of sample tubes, including a rack 1a;

[0052] Rotate the loading rack 2b disposed on the frame 1a;

[0053] A cover opening and closing mechanism 3b disposed on the frame 1a and used for opening or closing the cover of the sample tube;

[0054] A digestion solution adding component 4b disposed on the rack 1a and used for adding digestion solution into the sample tube;

[0055] and an oscillating mechanism 5b disposed on the rack 1a for oscillating the sample tube to which the digestion solution has been added;

[0056] The loading plate 7b with sample holes 6b of different aperture specifications can be removed and replaced on the loading rack 2b. The sample holes 6b of different aperture specifications are used to accommodate different types of sample tubes. The tube bodies of the sample tubes pass through the sample holes 6b, and the tube covers of the sample tubes are placed on the loading plate 7b.

[0057] The loading plate 7b having sample holes 6b with different aperture specifications is provided with identification holes 8b with different positions or / and numbers;

[0058] The rack 1a is provided with an identification sensor 9b which cooperates with the identification hole 8b and is used to identify the type of the sample tube to match the corresponding processing parameters.

[0059] See also Figure 1 , Figure 2 and Figure 3 , a rotating motor for driving the loading rack 2b to rotate is bolted to the frame 1a; in the present embodiment, a circular plate 53b is bolted to the upper end of the loading rack 2b, and a number of positioning pins 10b are equidistantly arranged on the circumference near the circular plate 53b, two positioning pins 10b form a group, and a threaded hole 13b is provided on the circular plate 53b between each group of positioning pins 10b; the loading plate 7b in the present embodiment is an arc plate, and a number of arc plates form an annular plate installed on the circular plate 53b. In the present embodiment, four arc plates form an annular plate, and each arc plate is provided with two positioning holes 11b corresponding to the positioning pins 10b. A connecting hole 12b corresponding to the threaded hole 13b is provided on the arc plate located between the two positioning holes 11b, and a fixing bolt 14b that passes through the connecting hole 12b is meshed in the threaded hole 13b. The loading plate 7b is connected to the loading rack 2b by the fixing bolt 14b, and the connection is more firm and the disassembly and assembly are more convenient.

[0060] See also Figure 4 , a scanning mechanism 41b is provided on the frame 1a, and the scanning mechanism 41b includes a code scanning component 411b and a rotating component 412b;

[0061] The code scanning component 411b includes a scanning support frame 4111b bolted to the frame 1a and a scanner 4112b bolted to the scanning support frame 4111b, and the scanning port of the scanner 4112b faces the side of the loading frame 2b;

[0062] The rotating assembly 412b includes a scanning connecting frame 4121b vertically slidably connected to the scanning supporting frame 4111b, a rotating driving member 4122b disposed on the scanning connecting frame 4121b, and a lifting plate 4123b connected to the output end of the rotating driving member 4122b;

[0063] A lead screw stepper motor is provided on the scanning support frame 4111b, the lead screw is vertically fixed on the scanning support frame 4111b, and the scanning connecting frame 4121b is meshed and connected with the lower rod; the rotating driving member 4122b in this embodiment is a rotating motor, and the output shaft of the rotating motor is fixedly connected to the lifting disk 4123b; the connecting frame slides vertically on the scanning support frame 4111b, thereby driving the lifting disk 4123b to lift the sample tube, and the rotating driving member 4122b drives the lifting disk 4123b to rotate, so that the scanner 4112b can scan the information code on the sample tube;

[0064] The lifting plate 4123b is provided with a plurality of second limiting grooves 49b of different diameters to adapt to different types of sample tubes; the second limiting grooves 49b of different diameters are used to confine different types of sample tubes in the tray 503b.

[0065] See also Figure 4In this embodiment, three identification sensors 9b are bolted to the scanning support frame 4111b; the identification holes 8b arranged on the loading plate 7b with sample holes 6b of different aperture specifications meet at least one of the conditions of different positions or different numbers, and a maximum of three identification holes 8b and a minimum of one identification hole 8b are opened on the loading plate 7b.

[0066] See also Figure 1 , Figure 2 and Figure 5 , a conveying support frame 15b and a support plate 16b are bolted to the frame 1a located on the side of the loading frame 2b; the cover opening and closing mechanism 3b includes a bottom supporting manipulator 301b vertically sliding on the support plate 16b and a cover grabbing manipulator 302b horizontally sliding on the conveying support frame 15b;

[0067] The bottom supporting manipulator 301b includes two clamping plates 3011b driven by a bottom supporting driving member 3012b to open and close, and clamping grooves forming clamping holes 20b are provided on opposite sides of the two clamping plates 3011b, and two first clamping columns 21b located around the clamping holes 20b are bolted to the two clamping plates 3011b;

[0068] A screw stepper motor is arranged on the support plate 16b, wherein the screw is vertically fixed on the support plate 16b, and a bottom supporting connecting frame 54b is meshedly connected on the screw. The bottom supporting manipulator 301b is arranged on the bottom supporting connecting frame 54b, and the screw stepper motor drives the bottom supporting manipulator 301b to move vertically up and down for lifting and clamping the sample tube; the bottom supporting driving member 3012b in this embodiment is a synchronous belt mechanism, and the two clamping plates 3011b are respectively fixed with one bolt on the synchronous belt near the top and the other on the synchronous belt near the bottom; when the synchronous belt is transmitted clockwise, the two clamping plates 3011b are close to each other and the four first clamping columns 21b are used to clamp the tube body of the sample tube; when the synchronous belt is transmitted counterclockwise, the two clamping plates 3011b are away from each other to release the tube body of the sample tube; the bottom supporting driving member 3012b in this embodiment can also be a gear rack mechanism.

[0069] See also Figure 1 , Figure 2 and Figure 5 The cap grabbing manipulator 302b includes a first support plate 3021b driven by a first horizontal driving member 22b to slide horizontally on the conveying support frame 15b, a first bracket 3022b driven by a first vertical driving member 23b to slide vertically on the first support plate 3021b, a screw driving member 3023b fixed on the first bracket 3022b, a clamping driving member 3024b fixed on the output end of the screw driving member 3023b, and two clamping blocks 3025b fixed on the output end of the clamping driving member 3024b and performing opening and closing movements;

[0070] In this embodiment, the first horizontal driving member 22b is a synchronous belt mechanism, the first support plate 3021b is bolted and fixedly connected to the synchronous belt, the first vertical driving member 23b is a screw stepping motor, the screw vertical bolt is fixed to the first support plate 3021b, and the first bracket 3022b is engaged with the screw; the screw driving member 3023b is a screw motor, the screw motor is bolted to the first bracket 3022b; the clamping driving member 3024b is a thumb cylinder, the cylinder body of the thumb cylinder is bolted to the output shaft of the screw motor; the two clamping blocks 3025b are bolted to the two piston rods of the thumb cylinder respectively; the bottom of the two clamping blocks 3025b are bolted to two second clamping columns 29b;

[0071] A third detection sensor 52b for detecting whether the capping robot 302b has grasped the sample tube is bolted to the first support plate 3021b.

[0072] See also Figure 1 , Figure 2 and Figure 5 , the digestion solution adding component 4b includes a liquid adding support frame 401b bolted to the frame 1a on one side of the conveying support frame 15b, and a liquid adding nozzle 402b which is swingably connected to the liquid adding support frame 401b and communicated with the liquid storage tank by a swing driving member 31b; the driving member in this embodiment is a synchronous belt mechanism, one end of the liquid adding nozzle 402b is bolted to a connecting shaft, which is rotatably connected to the liquid adding support frame 401b, and a synchronous wheel is fixedly connected to the connecting shaft, and the synchronous wheel is connected to the synchronous belt mechanism, and the synchronous belt mechanism drives the synchronous wheel to rotate, thereby driving the liquid adding nozzle 402b to swing left and right, so that the liquid adding nozzle 402b adds digestion solution to the sample tube with the tube cover opened;

[0073] A liquid receiving cup 34b located below the liquid adding nozzle 402b is bolted to the liquid adding support frame 401b. When the liquid adding nozzle 402b is not adding digestive fluid, the liquid adding nozzle 402b is located directly above the liquid receiving cup 34b, so that the residual liquid in the liquid adding nozzle 402b can drip into the liquid receiving cup 34b, thereby avoiding contamination of the device by the digestive fluid.

[0074] See also Figure 1 , Figure 2 and Figure 5 An oscillation support frame 35b is bolted to the frame 1a located on one side of the conveying support frame 15b, and the oscillation mechanism 5b includes an oscillation connection frame 501b vertically sliding on the oscillation support frame 35b, an oscillation driving member 502b arranged on the oscillation connection frame 501b, a tray 503b eccentrically connected to the output end of the oscillation driving member 502b, and a baffle 504b rotatably connected to the frame 1a located directly above the tray 503b;

[0075] A screw stepper motor is arranged on the oscillation support frame 35b. In this embodiment, the screw is vertically fixed on the oscillation support frame 35b, and the oscillation connection frame 501b is meshed with the screw; the oscillation driving member 502b is an oscillation motor, and the oscillation motor is bolted to the oscillation connection frame 501b. The tray 503b is a disc structure, and the tray 503b is located above the oscillation connection. The output shaft of the oscillation motor is connected to the non-axial position of the tray 503b;

[0076] A connecting support plate 55b is bolted to the conveying support frame 15b, and a baffle plate 504b is rotatably connected to the connecting support plate 55b. The baffle plate 504b is located above the loading plate 7b, and the tray 503b is located below the conveying plate, so that the sample tube is located between the baffle plate 504b and the tray 503b; the screw stepper motor drives the oscillation connecting frame 501b to slide up and down to enable the tray 503b to lift the sample tube from the bottom, and the baffle plate 504b presses the tube cover of the sample tube from the top, and the oscillation driving member drives the sample tube to rotate. Since the tray 503b is eccentrically connected to the output end of the oscillation driving member, when the oscillation driving member drives the tray 503b to rotate, the sample and the digestive fluid oscillate in the sample tube, and the mixing is more uniform;

[0077] The tray 503b is provided with a plurality of first limiting grooves 40b of different diameters to adapt to different types of sample tubes; the first limiting grooves 40b of different diameters are used to confine different types of sample tubes within the tray 503b.

[0078] See also Figure 1 and Figure 2 , a first detection sensor 50b is provided on the scanning support frame 4111b located below the scanner 4112b;

[0079] The scanning support frame 4111b located directly above the loading frame 2b is provided with a second detection sensor 51b;

[0080] The first detection sensor 50b and the second detection sensor 51b are used to detect whether there is a sample tube in the sample hole 6b.

[0081] Brief description of the use process: After the staff places the sample tube in the sample hole 6b, the motor is turned to drive the loading rack 2b to rotate, and the identification sensor 9b cooperates with the identification hole 8b on the loading plate 7b to determine the type of the sample tube, so that the identification sensor 9b transmits the electrical signal to each mechanism or component to match the corresponding processing parameters (the amount of digestion solution, oscillation mixing time, standing time and opening force, etc.); the code scanning mechanism is used to scan the information code on the sample tube to determine the sample information; the opening and closing cover mechanism 3b is used to open the tube cover of the sample tube, the digestion solution adding component 4b is used to add digestion solution to the opened sample tube, the opening and closing cover mechanism 3b is used to cover the tube cover of the sample tube, the loading rack 2b continues to rotate, and the oscillation mechanism 5b is used to oscillate the sample tube with digestion solution added, so that the digestion solution and the sample are evenly mixed; then after standing for a period of time, the pre-treatment of the sample is completed.

[0082] In summary, the utility model determines the type of sample tube on the loading plate by detecting different positions or different numbers of identification holes according to the identification sensor, and the identification sensor transmits the electrical signal to each mechanism and component so that the sample tube matches the corresponding processing parameters; thus, it can be compatible with the loading of multiple types of sample tubes in the pre-processing medical instrument, and different types of tubes can realize different processing parameters and processes. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0083] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A pre-treatment device adapted to different types of sample tubes, characterized in that: comprising a frame (1a); Rotating a loading rack (2b) disposed on the frame (1a); A cover opening and closing mechanism (3b) disposed on the frame (1a) and used for opening or closing the cover of the sample tube; A digestion liquid adding component (4b) arranged on the rack (1a) and used for adding digestion liquid into the sample tube; and an oscillating mechanism (5b) arranged on the rack (1a) and used for oscillating the sample tube to which the digestion solution has been added; The loading plate (7b) with sample holes (6b) of different aperture specifications can be removed and replaced on the loading rack (2b), and the loading plate (7b) with sample holes (6b) of different aperture specifications is provided with identification holes (8b) of different positions or / and numbers; The rack (1a) is provided with an identification sensor (9b) which cooperates with the identification hole (8b) and is used to identify the type of the sample tube to match the corresponding processing parameters.

2. A pre-treatment device adapted to different types of sample tubes according to claim 1, characterized in that: The loading rack (2b) is provided with a positioning pin (10b), and the loading plate (7b) is provided with a positioning hole (11b) matching the positioning pin (10b).

3. A pre-treatment device adapted to different types of sample tubes according to claim 2, characterized in that: The loading plate (7b) is provided with a connection hole (12b), and the loading frame (2b) is provided with a threaded hole (13b) corresponding to the connection hole (12b); A fixing bolt (14b) penetrating the connection hole (12b) is meshedly connected in the threaded hole (13b).

4. A pre-treatment device adapted to different types of sample tubes according to claim 1, characterized in that: A conveying support frame (15b) and a support plate (16b) are fixed on the frame (1a); The cover opening and closing mechanism (3b) comprises a bottom supporting robot (301b) vertically sliding on the support plate (16b) and a cover grabbing robot (302b) horizontally sliding on the conveying support frame (15b); The bottom supporting manipulator (301b) comprises two clamping plates (3011b) which are driven by a bottom supporting driving member (3012b) to perform opening and closing movements, and clamping grooves forming clamping holes (20b) are provided on opposite sides of the two clamping plates (3011b), and two first clamping columns (21b) located on the circumference of the clamping holes (20b) are fixed on the two clamping plates (3011b).

5. A pre-treatment device adapted to different types of sample tubes according to claim 4, characterized in that: The cap grabbing manipulator (302b) comprises a first support plate (3021b) driven by a first horizontal driving member (22b) to slide horizontally on a conveying support frame (15b), a first bracket (3022b) driven by a first vertical driving member (23b) to slide vertically on the first support plate (3021b), a screw driving member (3023b) fixed on the first bracket (3022b), a clamping driving member (3024b) fixed on the output end of the screw driving member (3023b), and two clamping blocks (3025b) fixed on the output end of the clamping driving member (3024b) and capable of opening and closing movements; Two second clamping columns (29b) are fixed on each of the two clamping blocks (3025b).

6. A pre-treatment device adapted to different types of sample tubes according to claim 1, characterized in that: The digestion liquid adding component (4b) comprises a liquid adding support frame (401b) fixed on the frame (1a), and a liquid adding nozzle (402b) driven by a swing driving member (31b) to be swingably connected to the liquid adding support frame (401b) and communicated with a liquid storage tank; A liquid receiving cup (34b) located below the liquid adding nozzle (402b) is fixed on the liquid adding support frame (401b).

7. The pre-treatment device adapted to different types of sample tubes according to claim 1, characterized in that: The oscillation mechanism (5b) comprises an oscillation connection frame (501b) vertically sliding on the frame (1a), an oscillation driving member (502b) arranged on the oscillation connection frame (501b), a tray (503b) eccentrically connected to the output end of the oscillation driving member (502b), and a baffle (504b) rotatably connected to the frame (1a) located directly above the tray (503b); The tray (503b) is provided with a plurality of first limiting grooves (40b) of different diameters to adapt to different types of sample tubes.

8. The pre-treatment device adapted to different types of sample tubes according to claim 1, characterized in that: It also includes a scanning mechanism (41b), wherein the scanning mechanism (41b) includes a code scanning component (411b) and a rotating component (412b); The code scanning component (411b) comprises a scanning support frame (4111b) fixed on the frame (1a) and a scanner (4112b) fixed on the scanning support frame (4111b); The rotating assembly (412b) comprises a scanning connection frame (4121b) vertically slidably connected to the scanning support frame (4111b), a rotating driving member (4122b) arranged on the scanning connection frame (4121b), and a lifting plate (4123b) connected to the output end of the rotating driving member (4122b); The lifting plate (4123b) is provided with a plurality of second limiting grooves (49b) of different diameters to adapt to different types of sample tubes.

9. The pre-treatment device adapted to different types of sample tubes according to claim 8, characterized in that: A first detection sensor (50b) is provided on the scanning support frame (4111b) located below the scanner (4112b).

10. The pre-treatment device adapted to different types of sample tubes according to claim 8, characterized in that: A second detection sensor (51b) is provided on the scanning support frame (4111b) located directly above the loading frame (2b).

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