CN114646523A - Blending device and sample analyzer - Google Patents
Blending device and sample analyzer Download PDFInfo
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- CN114646523A CN114646523A CN202011503051.8A CN202011503051A CN114646523A CN 114646523 A CN114646523 A CN 114646523A CN 202011503051 A CN202011503051 A CN 202011503051A CN 114646523 A CN114646523 A CN 114646523A
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- gripper
- test tube
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- mixing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00465—Separating and mixing arrangements
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Abstract
The application provides a mixing device, this mixing device includes tongs subassembly and revolution mechanic. The gripper assembly comprises a first driving mechanism, a first gripper and a second gripper. The first driving mechanism comprises a mounting seat, a lifting block arranged in a sliding manner relative to the mounting seat, a first transmission piece and a second transmission piece connected with the lifting block, and a motor arranged on the mounting seat and used for driving the lifting block to lift, wherein the first gripper is connected with the first transmission piece and pivoted with the mounting seat, the second gripper is connected with the second transmission piece and pivoted with the mounting seat, and the second gripper and the first gripper are arranged in a crossed manner. The rotating mechanism is used for driving the device to perform mixing action. In this way, the mixing device that this application provided can prevent to press from both sides the in-process damage test tube and test tube label of getting, and simultaneously, the mode of snatching the test tube of the motion of opening and shutting does not have obvious effort to the test-tube rack, need not to set up spacing piece that blocks on test-tube rack both sides, has simplified the structural design of injector.
Description
Technical Field
The application relates to the technical field of biomedical equipment, in particular to a blending device and a sample analyzer.
Background
In the field of modern medical technology, because blood detection and analysis provide many references for experimental indexes, which can play a crucial role in disease analysis and diagnosis, a sample analyzer with blood detection is one of the most widely used instruments for clinical examination in hospitals. In blood detection and analysis, blood layering can make the testing result inaccurate, consequently for the accuracy and the stability of guaranteeing the testing result, before drawing the chemical examination to the blood sample in vitro, need carry out abundant mixing to the blood in vitro. In the prior art, a blending gripper of a sample analyzer grips a test tube on a test tube rack or a test tube base by virtue of a spring or elastic deformation of the gripper to perform blending operation, so that a certain acting force is exerted on the test tube rack or the test tube base, the test tube is possibly damaged in the elastic clamping process, and when a bar code on the test tube is loosened, the bar code is easily damaged; when getting the test tube from the injector clamp moreover, the injector need set up the structure of carrying on spacingly or retraining to the test tube, causes overall structure complicacy.
Disclosure of Invention
The application provides a mixing device to solve among the prior art that the clamp gets the process and damages the test tube easily, destroy the test tube bar code and need design limit stop and cause the technical problem that the injector structure is complicated.
In order to solve the technical problem, the application adopts a technical scheme that: providing a blending device, the blending device includes:
the gripper assembly comprises a first driving mechanism, a first gripper and a second gripper;
the first driving mechanism comprises a mounting seat, a lifting block which is arranged in a sliding manner relative to the mounting seat, a first transmission piece and a second transmission piece which are connected with the lifting block, and a motor which is arranged on the mounting seat and used for driving the lifting block to lift;
the first gripper is connected with the first transmission piece and is pivoted with the mounting seat;
the second gripper is connected with the second transmission piece and is pivoted with the mounting seat, and the second gripper and the first gripper are opened and closed in an angle manner;
and the rotating mechanism is used for driving the device to perform blending action.
According to a specific embodiment of this application, first tongs with the second tongs have respectively with first driving medium with the articulated first end of second driving medium and be used for the second end of centre gripping test tube between first end and the second end, first tongs is equipped with first pin joint portion, the second tongs is equipped with second pin joint portion, first pin joint portion with second pin joint portion rotates and is connected. According to a specific embodiment of the present application, the first driving mechanism further includes:
the screw rod is arranged at the output end of the motor;
and the screw rod nut seat is arranged in the lifting block and is in threaded fit with the screw rod, and when the motor rotates, the lifting block is lifted based on the matching of the screw rod nut seat and the screw rod.
According to a specific embodiment of this application, the mount pad is including footstock, connecting seat, the base that connects gradually, a actuating mechanism is still including locating the footstock with guide arm between the base, the guide arm passes the elevator, the elevator passes through the guide arm direction slides.
According to a specific embodiment of the application, the both ends of first driving medium respectively with the elevator block first end of first tongs is articulated, the both ends of second driving medium respectively with the elevator block first end of second tongs is articulated.
According to a specific embodiment of the application, the one end of first driving medium with the second driving medium respectively with the elevator is connected, the other end of first driving medium with the second driving medium be equipped with first butt face respectively, first tongs with the first end of second tongs is equipped with second butt face respectively, first butt face and second butt face looks butt in order to order about first tongs with the second tongs opens and shuts.
According to a specific embodiment of this application, first drive assembly still including locate opto-coupler on the footstock with locate on the elevator block with the light barrier that light material matches.
According to a specific embodiment of this application, first tongs with the second tongs is equipped with the top and pushes away the spring in the position that is close to first end, push away the spring to first tongs with the second tongs is exerted outer thrust in order to keep the clamping state, the piece that goes up and down is relative first tongs with make when the second tongs descends to push away the spring compression simultaneously first tongs with the second tongs is opened relatively, it is relative to go up and down the piece make when descending first tongs with the second tongs the second end of first tongs with the second end of second tongs is owing to push away the effect of pushing away the spring and draw in.
According to a specific embodiment of this application, mixing device still includes rotary mechanism, rotary mechanism with first actuating mechanism connects, is used for the drive first actuating mechanism wholly rocks, rotary mechanism includes:
mounting a plate;
a first synchronization belt;
a rotating motor mounted based on the mounting plate;
the rotating motor drives the gripper assembly to rotate and swing through the first synchronous belt. According to a specific embodiment of this application, rotary mechanism is including locating opto-coupler and limit baffle on the mounting panel, first actuating mechanism still be equipped with the piece that is in the light that the opto-coupler corresponds, the rotating electrical machines is used for the drive first actuating mechanism swings between vertical direction and preset angle, limit baffle with the piece that is in the light constitutes the mechanical spacing of antiport, or limit baffle with the tongs subassembly constitutes the mechanical spacing of antiport. According to a specific embodiment of this application, mixing device still includes elevating system, elevating system with rotary mechanism connects, is used for the drive rotary mechanism with tongs subassembly is whole to be gone up and down, rotary mechanism includes:
a housing;
a lift motor mounted based on the mounting plate;
and the second synchronous belt is driven by the lifting motor to rotate and drive the rotating mechanism and the gripper assembly to do lifting motion.
In order to solve the technical problem, the application adopts a technical scheme that: providing a blending method, wherein the blending method is executed based on the blending device, the blending device further comprises a control assembly in communication connection with the hand grip assembly and the rotating mechanism, and the method comprises the following steps:
the control assembly controls the gripper assembly to grip the test tube;
the control assembly controls the rotating mechanism to drive the gripper assembly to swing back and forth within a preset angle range so as to perform test tube mixing action.
In order to solve the technical problem, the application adopts a technical scheme that: providing a sample analyzer, wherein the sample analyzer comprises the blending device, a relay assembly and a control assembly;
the control assembly controls the gripper assembly to grip the test tube;
the control assembly controls the rotating mechanism to drive the gripper assembly to swing back and forth within a preset angle range so as to perform test tube mixing operation;
and the control component controls the relay component to send the uniformly mixed test tube into a sampling position in the sample analyzer.
According to a specific embodiment of this application, sample analysis appearance still includes the appearance subassembly of advancing that has first transfer path, the relaying subassembly has with the second transfer path that first transfer path formed the contained angle.
According to a specific embodiment of the present application, the sample analyzer includes a sampling assembly having a third transport path, and the relay assembly has a second transport path forming an angle with the third transport path.
In order to solve the technical problem, the application adopts a technical scheme that: the utility model provides a sample analyzer, sample analyzer includes foretell mixing device, sampling device and controlling means, controlling means control mixing device moves in the vertical direction, and control sampling device moves in the horizontal direction, mixing device has first removal route in the vertical direction, sampling device has the second removal route in the horizontal direction, first removal route with the second removal route is spatial noninterference.
In order to solve the technical problem, the application adopts a technical scheme that: the utility model provides a sample analyzer, sample analyzer includes foretell mixing device, sampling device and controlling means, sampling device is used for transporting the test-tube rack of installing the test tube and advances a kind to mixing position, sampling position in proper order, mixing device is used for the test tube of grabbing on the sampling device to carry out mixing operation and put back on the sampling device the test-tube rack, the test-tube rack advance kind extremely sampling position is in order to supply the sample to carry out sample detection, controlling means judges whether the test tube after the sample need reinspection, if need reinspection, then controls sampling device will corresponding test tube on the test-tube rack transports back mixing position or sampling position carries out reinspection operation.
In order to solve the technical problem, the application adopts a technical scheme that: the utility model provides a sample analyzer, sample analyzer includes foretell mixing device, sampling device, relay subassembly and controlling means, sampling device is used for transporting the test-tube rack of installing the test tube and advances a kind to the mixing position, mixing device is used for snatching test tube on the sampling device carries out the mixing operation, relay subassembly be used for with the test tube after the mixing transport extremely sampling position in the sample analyzer, controlling means judges whether the test tube after the sampling needs retest, if needs retest, then control mixing position is returned to the corresponding test tube transport of sampling device on with the test-tube rack and is retested the operation.
The beneficial effect of this application is: be different from prior art, the mixing device that this application provided realizes opening and shutting action of first tongs and second tongs and then realize snatching the test tube through the up-and-down motion of motor drive elevator piece, has avoided getting the test tube from a direction clamp, can prevent that the test tube from getting the in-process and being damaged pressing from both sides, and when the test tube label did not paste, the mode of snatching the test tube of the motion of opening and shutting also can prevent to destroy the test tube label. Simultaneously, when getting the test tube from the injector clamp, the mode of the test tube that snatchs of the motion of opening and shutting does not have obvious effort to the test-tube rack, need not to set up spacing piece that blocks on test-tube rack both sides, has simplified the structural design of injector.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic overall structure diagram of a blending device provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a first driving mechanism provided in an embodiment of the present application;
FIG. 3 is a schematic view of the overall structure of a blending device according to another embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a first drive mechanism provided in another embodiment of the present application;
fig. 5 is a schematic structural diagram of a rotation mechanism provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a connection block of a rotating mechanism provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a lifting mechanism provided in an embodiment of the present application;
FIG. 8 is a flow chart of a blending method provided in an embodiment of the present application;
fig. 9 is a schematic diagram of a transport path of a sample introduction assembly, a sampling assembly and a relay assembly of a sample analyzer according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the present application.
Examples, rather than all examples. 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 application.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Please refer to fig. 1, the present application provides a blending device, which includes a gripping unit 100, a rotating unit 200, and a lifting unit 300. The gripper assembly 100 is used to grip the test tube 10 from a test tube rack or tube holder. The rotating mechanism 200 is connected with the gripper assembly 100 and used for driving the gripper assembly 100 to wholly shake so as to uniformly mix the samples. The lifting mechanism 300 is connected to the rotating mechanism 200 for driving the rotating mechanism 200 to integrally lift to other modules (e.g., a relay assembly).
Referring to fig. 2, the gripper assembly 100 includes a first driving mechanism 101, and the first driving mechanism 101 includes a mounting base 110, a lifting block 120, a first transmission member 121, a second transmission member 122, and a motor 130. The lifting block 120 is slidably disposed relative to the mounting base 110, the first transmission member 121 and the second transmission member 122 are connected to the lifting block 120, and the motor 130 is disposed on the mounting base 110 and used for driving the lifting block 120 to lift. The hand grip assembly 100 further includes a first hand grip 141 and a second hand grip 142, wherein the first hand grip 141 is connected to the first transmission member 121 and pivotally connected to the mounting base 110. The second handle 142 is connected to the second transmission member 122 and pivotally connected to the mounting base 110, and the second handle 142 and the first handle 141 are angularly opened and closed. The first gripper 141 and the second gripper 142 have a first end hinged to the first transmission member 121 and the second transmission member 122, and a second end for clamping the test tube 10, and between the first end and the second end, the first gripper 141 has a first pivot portion, the second gripper 142 has a second pivot portion, and the first pivot portion is rotatably connected to the second pivot portion. In an embodiment, the first driving mechanism 101 further includes a screw rod 151 and a screw-nut seat 152, the screw rod 151 is disposed at an output end of the motor 130, the screw-nut seat 152 is disposed in the lifting block 120 and is in threaded engagement with the screw rod 151, when the motor 130 rotates, the screw rod 151 also rotates along with the screw rod 151, so as to drive the screw nut 152 in threaded engagement with the screw rod 151 to perform a lifting motion on the screw rod 151, thereby enabling the lifting block 120 connected to the screw-nut seat 152 to perform a lifting motion on the screw rod 151.
In an embodiment, the mounting base 110 includes a top base 111, a connecting base 112, and a bottom base 113 connected in sequence, the first driving mechanism 101 further includes a guide rod 160 disposed between the top base 111 and the bottom base 113, the guide rod 160 penetrates through the lifting block 120, and the lifting block 120 slides under the guide of the guide rod 160. The two ends of the first transmission member 121 are respectively hinged to the first ends of the lifting block 120 and the first gripper 141, and the two ends of the second transmission member 122 are respectively hinged to the first ends of the lifting block 120 and the second gripper 142, so that in the up-and-down movement process of the lifting block 120, the first transmission member 121, the second transmission member 122, the first gripper 141 and the second gripper 142 can freely expand outwards or contract inwards.
Specifically, when the motor 130 rotates forward to work, the lifting block 120 descends based on the matching of the screw nut seat 152 and the screw 151, and a downward force acts on the first transmission member 121 and the second transmission member 122, so that both the first transmission member 121 and the second transmission member 122 connected to the lifting block 120 expand outward, and then the first end of the first gripper 141 hinged to the first transmission member 121 and the first end of the second gripper 142 hinged to the second transmission member 122 expand outward, and the second end of the first gripper 141 and the second end of the second gripper 142 contract inward, thereby clamping the test tube 10.
When the motor 130 reversely rotates to work, the lifting block 120 ascends based on the matching of the screw rod nut seat 152 and the screw rod 151, and upward force acts on the first transmission piece 121 and the second transmission piece 122, so that the first transmission piece 121 and the second transmission piece 122 connected with the lifting block 120 are both folded inwards, and further, the first end of the first gripper 141 hinged to the first transmission piece 121 and the first end of the second gripper 142 hinged to the second transmission piece 122 are also folded inwards, and the second end of the first gripper 141 and the second end of the second gripper 142 are unfolded outwards, thereby releasing the test tube 10.
Referring to fig. 3-4, in another embodiment, a pushing spring 170 is disposed at a position close to the first end of the first gripper 141 and the second gripper 142, the first transmission member 121 and the second transmission member 122 are transmission blocks fixedly connected to the mounting base 110, the transmission blocks are in inclined surface abutting fit with outer surfaces of the ends of the first gripper 141 and the second gripper 142, and a distance between the two transmission blocks is narrow at the top and wide at the bottom.
Specifically, when the motor 130 drives the lifting block 120 to descend relative to the first gripper 141 and the second gripper 142, so that the external pushing force compressed by the pushing spring 170 acts on the first gripper 141 and the second gripper 142, the first gripper 141 and the second gripper 142 respectively slide downwards along the first transmission piece 121 and the second transmission piece 122, so that the first ends of the first gripper 141 and the second gripper 142 are relatively opened, and the second ends of the first gripper 141 and the second gripper 142 are relatively closed, so as to clamp the test tube 10.
When the motor 130 drives the lifting block 120 to ascend relative to the first gripper 141 and the second gripper 142, the first gripper 141 and the second gripper 142 slide upward along the first transmission member 121 and the second transmission member 122, respectively, so that the first ends of the first gripper 141 and the second gripper 142 are relatively closed, and the second ends of the first gripper 141 and the second gripper 142 are relatively opened to release the test tube 10.
The application's mixing device, the action of opening and shutting that realizes first tongs 141 and second tongs 142 through the up-and-down motion of motor 130 drive elevator 120 carries out test tube 10's centre gripping and unclamps, can avoid coming the damage that centre gripping test tube 10 caused the label on test tube 10 and the test tube 10 with the unilateral power, secondly, when getting test tube 10 from the injector clamp, the mode that snatchs test tube 10 of the motion of opening and shutting does not have obvious effort to the test tube rack, need not to set up spacing piece that blocks on the test tube rack both sides, the structural design of injector has been simplified. Referring to fig. 5, further, the rotating mechanism 200 includes a mounting plate 210, a rotating motor 220, and a first timing belt 230. The rotary motor 220 is installed based on the mounting plate 210, and drives the gripper assembly 100 to make a rotary swing through the first timing belt 230.
In one embodiment, the rotation mechanism further includes a driven wheel 240, a driving wheel 250, a rotation shaft 260, and a connection block 270 (see fig. 6). The driving wheel 250 is arranged at the output end of the rotating motor 220, the driven wheel 240 is arranged based on the mounting plate 210 and is spaced from the driving wheel 230, the first synchronous belt 230 is sleeved on the driving wheel 250 and the driven wheel 240, the rotating shaft 260 and the driven wheel 240 rotate synchronously, and the connecting block 270 is arranged at one end of the rotating shaft 260 and is used for being connected with the first driving mechanism 101.
The first driving mechanism 101 further includes an optical coupler 114 (see fig. 2) disposed on the top base 111, and a light blocking plate 123 (see fig. 2) disposed on the lifting block 120 and matched with the optical coupler 114. The rotating mechanism 200 further includes a limit baffle 280 (see fig. 1), and when the rotating motor 220 drives the first driving mechanism 101 to swing between the vertical direction and the preset angle, the limit baffle 280 and the light blocking plate 123 form a reverse rotation mechanical limit, or the limit baffle 280 and the gripper assembly 100 form a reverse rotation mechanical limit.
Specifically, after the first driving mechanism 101 clamps the test tube 10, the test tube 10 is still in the vertical position and is fed into the rotating mechanism 200 for the sample mixing operation. Drive action wheel 250 and follow driving wheel 240 rotation when rotating motor 220 is rotatory, drive first synchronous belt 230 and rotation axis 260 synchronous rotation, and then make the first actuating mechanism 101 of being connected with the one end of rotation axis 260 according to certain limit angle swing back and forth for the test tube 10 synchronous oscillation who presss from both sides tightly through first tongs 141 and second tongs 142 realizes the sample mixing. In the swing process, the test tube 10 swings at a certain angle from the initial position, and then returns to the initial position, wherein the initial position is the position of the test tube 10 in the vertical state, the angle position is controlled by the pulse number of the optical coupler 114 and the rotating motor 220, and the swing direction is the direction departing from the lifting mechanism 300. In the present embodiment, the swing angle is from the initial position (vertical state) of the test tube 10 to the swing within 120 degrees away from the lifting mechanism 300, wherein the initial position is mechanically limited by the limit baffle 280 and the light blocking plate 123, and the test tube rack is prevented from swinging reversely when returning to the initial position.
The application discloses mixing device drives the test tube 10 on the first actuating mechanism 101 through the rotating shaft of rotating electrical machines 220 and swings back and forth in a large range, can make the abundant mixing of sample of test tube 10.
Referring to fig. 7, further, the lifting mechanism 300 includes a housing 310, a lifting motor 320, and a second timing belt 330. The lifting motor 320 is installed on the basis of the housing 310, and the second synchronous belt 330 is driven to rotate by the lifting motor 320, so as to drive the gripper assembly 100 and the rotating mechanism 200 to integrally perform lifting movement.
In one embodiment, the lifting mechanism 300 further comprises a second slider 340 and a second slide 350. The second slide rail 350 is disposed on the housing 310, the second slider 340 is disposed on the second slide rail 350, the mounting plate 210 is connected to the second slider 340, the second timing belt 330 is driven to rotate by the lifting motor 320, and the first driving mechanism 101 and the rotating mechanism 200 are connected to the second slider 340 through the mounting plate 210. The elevating mechanism 300 further includes an up-down position sensing positioner 360 provided on the housing 310 to position the lowering position of the first driving mechanism 101 and the rotating mechanism 200.
Specifically, after the mixing operation of the test tube 10 is completed, the test tube 10 is in a vertical position, and the test tube 10 is ready to be placed in a receiving opening of another module (e.g., a relay assembly). The lifting motor 320 starts to work, the first driving mechanism 101 and the rotating mechanism 200 connected to the second sliding block 350 are lowered to a certain position in the receiving port through the movement of the second sliding rail 330, and the accurate position positioning is performed through the combination control of the up-down position sensing positioner 360 and the pulse step number of the lifting motor 320, at this time, the first gripper 141 and the second gripper 142 are opened, and the test tube 10 is separated from the first gripper 141 and the second gripper 142. The lifting motor 320 ascends to take away the first driving mechanism 101 and the rotating mechanism 200 which do not clamp the test tube 10, and at the moment, other modules take away the uniformly mixed test tube 10 for analysis. The lifting motor 320 waits for the test tube 10 sent by other modules after being analyzed, at the moment, the lifting motor 320 starts to work to drive the first driving mechanism 101 and the rotating mechanism 200 to descend to the receiving port, the upper position and the lower position sensing positioner 360 and the pulse step number of the lifting motor 320 are combined to control to be positioned at a precise position, the first gripper 141 and the second gripper 142 of the first driving mechanism 101 clamp the test tube 10, the lifting motor 320 upwards takes away the first driving mechanism 101 and the rotating mechanism 200 clamping the test tube 10, after other modules retreat, the lifting motor 320 downwards moves to place the test tube 10 on an empty test tube rack of a sample injector at the bottom, at the moment, the first gripper 141 and the second gripper 142 are loosened to release the test tube 10. The elevator motor 320 may wait for a new unanalyzed test tube 10 from the injector and, upon receipt of the command, start a new loop analysis process.
The embodiment of the application also provides a blending method, which is executed based on the blending device, and the blending device further comprises a control component (not shown) in communication connection with the gripping component 100 and the rotating mechanism 200. Referring to fig. 8, the method includes:
step S10: the control assembly controls the gripper assembly 100 to grip the test tube 10.
The control assembly controls the first driving mechanism 110 of the gripper assembly 100, and in one embodiment, controls the time for the cylinder body 120 to ventilate the air tube connector 122, so that the first gripper 113 and the second gripper 114 perform opening and closing movements to grip or release the test tube 10. In one embodiment, the control assembly controls the time of the extension and compression movement of the telescopic cylinder 133, so that the first and second grips 113 and 114 perform an opening and closing movement to grip or release the test tube 10. In another embodiment, the control assembly controls the rotation direction of the lead screw motor 143, for example, when the lead screw motor 143 rotates in a forward direction, the first and second grippers 113 and 114 perform a closing motion to grip the test tube 10, and when the lead screw motor 143 rotates in a reverse direction, the first and second grippers 113 and 114 perform an opening motion to release the test tube 10. Step S20: the control component controls the rotation mechanism 200 to drive the gripper component 100 to swing back and forth within a preset angle range so as to mix the test tube 10 uniformly.
The control assembly drives the gripper assembly 100 to swing back and forth within a preset angle range by controlling the rotation direction and the rotation time of the rotating motor 220 of the rotating mechanism 200 so as to uniformly mix the test tubes 10. In one embodiment, for example, when the control module controls the rotating motor 220 to rotate forward for 1 minute to swing the gripper assembly 100 to the maximum preset angle, and then the control module controls the rotating motor 220 to rotate backward for 1 minute to return the gripper assembly 100 to the original position, the control module controls the rotating motor 220 to perform the above-mentioned cyclic operation, so as to drive the gripper assembly 100 to swing back and forth within the preset angle range to mix the test tubes 10. Embodiments of the present application also provide a sample analyzer that includes the blending apparatus described above, a relay assembly 30 (see fig. 9), and a control assembly. The control assembly controls the gripping assembly 100 to grip the test tube 10, the control assembly controls the rotating mechanism 200 to drive the gripping assembly 100 to swing back and forth within a preset angle range so as to uniformly mix the test tube 10, and the control assembly controls the relay assembly 30 to convey the uniformly mixed test tube 10 to a sampling position in the sample analyzer.
As shown in fig. 9, the sample analyzer further includes a sample introduction assembly 20 having a first transport path X and a sampling assembly 40 having a third transport path Z, and the relay assembly 30 has a second transport path Y forming an angle with the first transport path X and the third transport path Z. The sampling assembly 20, the sampling assembly 40 and the relay assembly 30 are not overlapped in spatial position, so that the serial operation and the parallel operation can be realized, and the running speed of the instrument can be improved by the parallel operation.
The embodiment of the application also provides a sample analyzer, and this sample analyzer includes foretell mixing device, sampling device and controlling means, and controlling means control mixing device moves in vertical direction to control sampling device and move in the horizontal direction, mixing device has first removal route in vertical direction, and sampling device has the second removal route in the horizontal direction, and first removal route does not interfere with the second removal route space. Because the blending device and the sampling device are not overlapped in spatial position and do not interfere with each other, serial operation and parallel operation can be realized, and the whole running speed of the instrument can be increased by realizing the parallel operation.
The embodiment of this application still provides a sample analyzer, this sample analyzer includes above-mentioned mixing device, sampling device and controlling means, sampling device is used for transporting the test-tube rack of installing the test tube and advances a kind to the mixing position in proper order, the sampling position, mixing device is used for snatching the test tube on the sampling device and carries out the mixing operation and put back the test-tube rack on the sampling device, the test-tube rack advances a kind to the sampling position and carries out sample detection in order to supply the sample, controlling means judges whether the test tube after the sampling needs reinspection, if need reinspection, then control sampling device transports back mixing position or sampling position with the corresponding test tube on the test-tube rack and carries out the reinspection operation.
The embodiment of this application still provides a sample analyzer, this sample analyzer includes foretell mixing device, sampling device, relay subassembly and controlling means, sampling device is used for transporting the test-tube rack of installing the test tube and advances a kind to the mixing position, mixing device is used for snatching the test tube on the sampling device and carries out the mixing operation, relay subassembly is used for transporting the test tube after the mixing to the sampling position in the sample analyzer, controlling means judges whether the test tube after the sampling needs retest, if need retest, then control sampling device transports the mixing position back to with the corresponding test tube on the test-tube rack and carries out the retest operation.
In summary, what is understood by those skilled in the art is that the blending device provided in the present application, the up-and-down movement of the motor 130 to drive the lifting block 120 realizes the opening and closing actions of the first gripper 141 and the second gripper 142 to clamp and loosen the test tube 10, so as to avoid the damage to the test tube 10 and the label on the test tube 10 caused by clamping the test tube 10 with a unidirectional force, and secondly, when the test tube 10 is clamped by the sample injector, the manner of grabbing the test tube 10 by the opening and closing movement does not have an obvious acting force on the test tube rack, and does not need to set up a spacing block on both sides of the test tube rack, thereby simplifying the structural design of the sample injector. The rotating shaft is driven by the rotating motor 220 to drive the test tube 10 on the first driving mechanism 101 to swing back and forth in a large range, so that the samples of the test tube 10 can be fully mixed. The test tube 10 on the first driving mechanism 101 is lifted by the synchronous belt of the lifting motor 320, so that the automation of the sampling analysis of the uniformly mixed sample is realized. The whole blending device adopts the design of machining parts and sheet metal parts, has simple and compact structure, can normally run at high frequency, safely and reliably, and is simple and convenient to maintain.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure, which are directly or indirectly applied to other related technical fields, are included in the scope of the present disclosure.
Claims (18)
1. A blending device, which is characterized by comprising:
the gripper assembly comprises a first driving mechanism, a first gripper and a second gripper;
the first driving mechanism comprises a mounting seat, a lifting block which is arranged in a sliding manner relative to the mounting seat, a first transmission piece and a second transmission piece which are connected with the lifting block, and a motor which is arranged on the mounting seat and used for driving the lifting block to lift;
the first gripper is connected with the first transmission piece and is pivoted with the mounting seat;
the second gripper is connected with the second transmission piece and is pivoted with the mounting seat, and the second gripper and the first gripper are opened and closed at an angle;
and the rotating mechanism is used for driving the gripper assembly to perform uniform mixing action.
2. The blending device of claim 1, wherein the first gripper and the second gripper comprise a first end hinged to the first transmission member and the second transmission member, and a second end for clamping a test tube, the first gripper is provided with a first pivot portion between the first end and the second end, the second gripper is provided with a second pivot portion, and the first pivot portion is rotatably connected to the second pivot portion.
3. The blending device of claim 1, wherein the first drive mechanism further comprises:
the screw rod is arranged at the output end of the motor;
and the screw rod nut seat is arranged in the lifting block and is in threaded fit with the screw rod, and when the motor rotates, the lifting block is lifted based on the matching of the screw rod nut seat and the screw rod.
4. The blending device according to claim 2, wherein the mounting base comprises a top base, a connecting base and a base which are connected in sequence, the first driving mechanism further comprises a guide rod arranged between the top base and the base, the guide rod penetrates through the lifting block, and the lifting block slides in a guiding manner through the guide rod.
5. The blending device according to claim 2, wherein two ends of the first transmission member are respectively hinged to the lifting block and the first end of the first gripper, and two ends of the second transmission member are respectively hinged to the lifting block and the first end of the second gripper.
6. The blending device according to claim 2, wherein one end of the first transmission member and one end of the second transmission member are respectively connected with the lifting block, the other end of the first transmission member and the other end of the second transmission member are respectively provided with a first abutting surface, the first end of the first gripper and the first end of the second gripper are respectively provided with a second abutting surface, and the first abutting surface abuts against the second abutting surfaces to drive the first gripper and the second gripper to open and close.
7. The blending device according to claim 1, wherein the first driving assembly further comprises an optical coupler arranged on the footstock and a light barrier arranged on the lifting block and matched with the optical coupler.
8. The blending device according to claim 1, wherein the first hand grip and the second hand grip are provided with pushing springs at positions close to the first ends, the pushing springs apply external pushing force to the first hand grip and the second hand grip to keep a clamping state, the lifting block enables the pushing springs to be compressed and the first hand grip and the second hand grip to be opened relatively when descending relative to the first hand grip and the second hand grip, and the lifting block enables the second ends of the first hand grip and the second hand grip to be closed due to the external pushing action of the pushing springs when descending relative to the first hand grip and the second hand grip.
9. The blending device of claim 1, further comprising a rotating mechanism connected to the first driving mechanism for driving the first driving mechanism to shake in its entirety, wherein the rotating mechanism comprises:
mounting a plate;
a first synchronization belt;
a rotating motor mounted based on the mounting plate;
the rotating motor drives the gripper assembly to rotate and swing through the first synchronous belt.
10. The blending device according to claim 9, wherein the rotating mechanism comprises an optical coupler and a limiting baffle arranged on the mounting plate, the first driving mechanism is further provided with a light barrier corresponding to the optical coupler, the rotating motor is used for driving the first driving mechanism to swing between a vertical direction and a preset angle, and the limiting baffle and the light barrier form a reverse rotation mechanical limit, or the limiting baffle and the hand grip assembly form a reverse rotation mechanical limit.
11. The blending device of claim 9, further comprising a lifting mechanism connected to the rotating mechanism for driving the rotating mechanism and the gripper assembly to integrally lift, wherein the lifting mechanism comprises:
a housing;
a lift motor mounted based on the mounting plate;
and the second synchronous belt is driven by the lifting motor to rotate and drive the rotating mechanism and the gripper assembly to do lifting motion.
12. A blending method, wherein the blending method is performed based on the blending device of claims 1-11, the blending device further comprises a control assembly in communication with the gripper assembly and the rotating mechanism, and the method comprises:
the control component controls the device to grab the test tube;
the control assembly controls the rotating mechanism to drive the device to swing back and forth within a preset angle range so as to perform test tube mixing action.
13. A sample analyzer, comprising the mixing apparatus of any one of claims 1-11, a relay assembly, a control assembly; the control assembly controls the gripper assembly to grip the test tube;
the control assembly controls the rotating mechanism to drive the gripper assembly to swing in a reciprocating mode within a preset angle range so as to carry out test tube blending operation;
and the control component controls the relay component to send the uniformly mixed test tube into a sampling position in the sample analyzer.
14. The sample analyzer of claim 13 further comprising a sample introduction assembly having a first transport path, the relay assembly having a second transport path angled from the first transport path.
15. The sample analyzer of claim 13 including a sampling assembly having a third transport path, the relay assembly having a second transport path angled with respect to the third transport path.
16. A sample analyzer, comprising the mixing device, the sampling device and the control device according to any one of claims 1 to 11, wherein the control device controls the mixing device to move in a vertical direction and controls the sampling device to move in a horizontal direction, the mixing device has a first moving path in the vertical direction, the sampling device has a second moving path in the horizontal direction, and the first moving path and the second moving path do not spatially interfere with each other.
17. The utility model provides a sample analyzer, characterized in that, sample analyzer includes mixing device, sampling device and controlling means of any of claims 1-11, sampling device is used for transporting the test-tube rack of installing the test tube and advances kind to mixing position, sampling position in proper order, mixing device is used for snatching the test tube on the sampling device and carries out the mixing operation and put back on the sampling device the test-tube rack, the test-tube rack advance kind to sampling position is in order to sample and carry out sample detection, controlling means judges whether the test tube after the sampling needs reinspection, if need reinspection, then control sampling device will corresponding test tube on the test-tube rack is transported back mixing position or sampling position carries out the reinspection operation.
18. The utility model provides a sample analyzer, its characterized in that, sample analyzer includes mixing device, sampling device, relay subassembly and controlling means of any of claims 1-11, sampling device is used for transporting the test-tube rack of installing the test tube and advances a kind to mixing position, mixing device is used for snatching test tube on the sampling device carries out mixing operation, relay subassembly is used for transporting the test tube after the mixing to sampling position in the sample analyzer, controlling means judges whether the test tube after the sampling needs reinspection, if needs reinspection, then controls the sampling device transports the mixing position back to the corresponding test tube on the test-tube rack and carries out the reinspection operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503051.8A CN114646523A (en) | 2020-12-17 | 2020-12-17 | Blending device and sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503051.8A CN114646523A (en) | 2020-12-17 | 2020-12-17 | Blending device and sample analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN114646523A true CN114646523A (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011503051.8A Pending CN114646523A (en) | 2020-12-17 | 2020-12-17 | Blending device and sample analyzer |
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| CN (1) | CN114646523A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366087A (en) * | 2022-08-23 | 2022-11-22 | 四川微康朴澜医疗科技有限责任公司 | Mixing mechanical arm for fluorescence immunoassay analyzer |
| CN115508166A (en) * | 2022-10-24 | 2022-12-23 | 湖南友哲科技有限公司 | Leucorrhea sample pretreatment device based on test tube with specific structure |
-
2020
- 2020-12-17 CN CN202011503051.8A patent/CN114646523A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366087A (en) * | 2022-08-23 | 2022-11-22 | 四川微康朴澜医疗科技有限责任公司 | Mixing mechanical arm for fluorescence immunoassay analyzer |
| CN115508166A (en) * | 2022-10-24 | 2022-12-23 | 湖南友哲科技有限公司 | Leucorrhea sample pretreatment device based on test tube with specific structure |
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