CN117590013A - Automatic loading device for reaction cup and sample analyzer - Google Patents
Automatic loading device for reaction cup and sample analyzer Download PDFInfo
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- CN117590013A CN117590013A CN202311450956.7A CN202311450956A CN117590013A CN 117590013 A CN117590013 A CN 117590013A CN 202311450956 A CN202311450956 A CN 202311450956A CN 117590013 A CN117590013 A CN 117590013A
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- 230000007246 mechanism Effects 0.000 claims abstract description 148
- 238000012163 sequencing technique Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 49
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- 239000012472 biological sample Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012742 biochemical analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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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
- G01N35/0099—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor comprising robots or similar manipulators
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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
- G01N35/021—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 having a flexible chain, e.g. "cartridge belt", conveyor for reaction cells or cuvettes
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- Chemical & Material Sciences (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The application belongs to the technical field of biological sample analysis instruments, and discloses an automatic loading device for a reaction cup and a chemical analyzer. The automatic reaction cup loading device comprises a hopper mechanism, a conveying mechanism, a sequencing mechanism and a cup separating mechanism; the conveying mechanism is used for conveying the reaction cups in the hopper to the sequencing mechanism one by one; the sorting mechanism comprises a slideway, a cup pushing assembly and a cup blocking assembly, wherein the cup pushing assembly comprises a cup pushing piece and a driving mechanism, and the cup blocking assembly comprises a cup blocking piece; the slide way is provided with an inlet and an outlet, and the cup blocking piece is arranged at the outlet of the slide way; the cup pushing piece reciprocates towards the outlet direction of the slideway under the action of the driving mechanism, and pushes the reaction cups one by one to overcome the action of the cup blocking piece and slide into the cup separating mechanism. The utility model provides an add and push away cup subassembly and keep off cup subassembly, reaction cup among the control sequencing mechanism that can be orderly slips out one by one and falls into a branch cup mechanism, compact structure, uninterrupted transmission and work efficiency are high.
Description
The present application is a divisional application of chinese patent application 202211589600.7, titled "cuvette automatic loading device and sample analyzer", with application day 2022, 12/12.
Technical Field
The application belongs to the biochemical analysis instrument technology, and particularly relates to an automatic reaction cup loading device and a sample analyzer.
Background
In a sample analyzer, an automatic reaction cup loading device is generally arranged, a user pours a certain number of reaction cups into a reaction cup storage container of the automatic reaction cup loading device, then the disordered reaction cups in the storage container are picked up on a reaction cup conveying mechanism in a certain mode, the reaction cups in the conveying mechanism are conveyed to a reaction cup sorting mechanism through gravity or other mechanisms, the reaction cups output by the conveying mechanism can be arranged downwards according to cup bottoms, cup openings are arranged upwards, partial reaction cups are placed in a buffering mode, the lower end of the sorting mechanism is connected with a cup separating mechanism, the continuously arranged reaction cups output by the reaction cup sorting mechanism are separated, the reaction cups are conveniently grasped by a manipulator, and finally the ordered and graspable reaction cups are sorted from a disordered state.
The sample analyzer generally comprises a feeding mechanism, a conveying mechanism, a sorting mechanism, a cup separating mechanism and the like, but the sorting mechanism of the existing sample analyzer is an inclined slideway, the tail end of the slideway is directly connected with the cup separating mechanism or the reaction cup transferring mechanism, and the buffer storage of the reaction cups or the control of the reaction cups to slide out of the slideway one by one cannot be well achieved. And to the design of slide direct connection branch cup mechanism or transportation structure, if in order to can buffer more reaction cups in the slide, the extension slide of taste, because the restriction such as length height of slide can lead to the analysis appearance structure compact inadequately, the volume is great.
Disclosure of Invention
The invention aims to: aiming at the technical problems in the prior art, the application provides a reaction cup automatic loading device which is capable of orderly controlling reaction cups in a sorting mechanism to slide out one by one and fall into a cup separating mechanism, and is more convenient and orderly to operate and compact in structure, and a sample analyzer.
The technical scheme is as follows: the automatic reaction cup loading device comprises a hopper mechanism, a conveying mechanism, a sequencing mechanism and a cup separating mechanism; the conveying mechanism is used for conveying the reaction cups in the hopper to the sequencing mechanism one by one; the sorting mechanism comprises a slideway, a cup pushing assembly and a cup blocking assembly, wherein the cup pushing assembly comprises a cup pushing piece and a driving mechanism, and the cup blocking assembly comprises a cup blocking piece; the slide way is provided with an inlet and an outlet, and the cup blocking piece is arranged at the outlet of the slide way; the cup pushing piece reciprocates towards the outlet direction of the slideway under the action of the driving mechanism, and pushes the reaction cups one by one to overcome the action of the cup blocking piece and slide into the cup separating mechanism.
According to the scheme, the cup pushing assembly and the cup blocking assembly are additionally arranged, the reaction cups in the sorting mechanism can be orderly controlled to slide out one by one and fall into the cup separating mechanism, and the operation is more convenient and orderly. The cup separating mechanism can be a reaction cup transferring mechanism, a reaction cup turntable and the like.
As a technical scheme, reaction cup automatic loading device still includes the glass subassembly that falls, fall glass subassembly on the one hand and accept the reaction cup that the slide was slided out, on the other hand guide reaction cup accurate fall into and divide the cup mechanism.
As a technical scheme, the automatic reaction cup loading device comprises a hopper mechanism, a conveying mechanism, a sequencing mechanism and a cup separating mechanism; the conveying mechanism is used for conveying the reaction cups in the hopper to the sequencing mechanism one by one; the sorting mechanism comprises a slideway and a cup falling assembly, and reaction cups in the slideway slide into the cup separating mechanism after passing through the cup falling assembly. In this scheme, the slide direct connection falls the cup subassembly, falls the cup subassembly and can regard as reaction cup buffer memory space to a certain extent.
Under the condition of additionally arranging the cup falling assembly, the reaction cup sliding out of the slide way can be accepted on one hand, and on the other hand, the reaction cup can be guided to accurately fall into the cup separating mechanism. The cup falling assembly cooperates with the slideway, so that the buffer space of the reaction cup can be further increased, and the structural layout between the slideway and the cup separating mechanism is more likely due to the design of the cup falling assembly.
As a technical scheme, the cup falling assembly comprises a cup sliding groove, and the starting end of the cup sliding groove is connected with a slideway outlet; or the cup falling assembly comprises a cup falling pipe, and the cup falling pipe is arranged at the outlet of the slideway; or, the cup falling assembly comprises a cup sliding groove and a cup falling pipe, one end of the cup sliding groove is connected with the slide way outlet, the other end of the cup sliding groove is connected to the cup falling pipe, and the reaction cup slides into the cup falling pipe after entering the cup sliding groove from the slide way.
As a technical scheme, the sliding cup groove comprises a cup placing section and a sliding cup section, wherein the cup placing section and the sliding cup section are arranged in a crossing manner, the cup placing section is connected with a slideway outlet, and an inclined plane which is convenient for a reaction cup to slide down is arranged in the sliding cup section; the cup blocking piece is arranged at the starting position of the sliding cup section, so that a reaction cup sliding from the slideway to the cup placing section is prevented from being automatically extruded into the sliding cup section, and the cup pushing piece pushes the reaction cup to slide from the cup placing section to the sliding cup section after overcoming the action of the cup blocking piece. Wherein, the motion track of the cup pushing piece and the extension line of the sliding cup section are the same straight line. The cup placing section and the cup sliding section are preferably arranged vertically.
As a technical scheme, the cup placing section is also provided with a cup pushing sensor.
Reaction cup roll-off is generally realized through the action of gravity, namely through design slope slide or perpendicular slide, if this application has add and has fallen the cup subassembly, no matter be smooth cup groove and/or fall the cup pipe, has still further prolonged the gliding distance of reaction cup to can nimble direction and the position etc. of adjusting the reaction cup roll-off, set aside the space for the design overall arrangement of whole sample analysis appearance, the whole overall arrangement of the instrument of being more convenient for.
As a technical scheme, the bottom surface of the sliding cup groove is an inclined surface inclined towards the cup falling pipe; or the bottom surface of the sliding cup groove is hollowed, and inclined planes which are used for hanging the cup edges of the reaction cup and face the cup falling pipe are arranged on the inner walls of the two side walls.
As a technical scheme, the outlet end of the cup falling pipe is connected with a reducing section, and the inner diameter of the reducing section is slightly larger than the maximum outer diameter of the reaction cup, so that the reaction cup can be guided to slide into a designated position more stably.
As a technical scheme, the cup blocking piece is an elastic piece. The elastic piece can deform under the action of external force, and can quickly recover the original state after the external force is cancelled. The shape and structure of the elastic piece are not limited, so long as the reaction cup can pass through the position of the elastic piece under the action of the cup pushing piece, and the elastic piece can restore the blocking effect on the reaction cup at the outlet of the slideway after the cup pushing piece moves reversely.
As a technical scheme, keep off the cup subassembly and include keeping off cup spare and restoring piece, keep off the cup spare and install through the pivot, keep off the cup spare and rotate the certain angle of revolute axis under the linkage effect of cup pushing away piece, reaction cup and be convenient for the reaction cup to pass through, the reaction cup is kept off the cup spare through the back and is restored under the effect of gravity effect and/or restoring piece. The return element is preferably an elastic element, such as a spring, a tension spring, a torsion spring, etc.
As a technical scheme, keep off a cup subassembly and include mounting panel, keep off a cup spare, torsional spring, pivot, keep off a cup spare one end and install on the mounting panel through the pivot, the other end is connected with the one end of torsional spring, the other end of torsional spring is connected on the mounting panel. The torsion spring is in under the nature state, keep off the cup piece and keep off the cup piece in the slide export, when pushing away the cup piece and pushing away the cup extrusion and keep off the cup piece, the torsion spring is compressed, keeps off the cup piece and is rotated certain angle around the pivot and is pushed out until the reaction cup, pushes away the cup piece reverse motion this moment, keep off the cup piece and reset under gravity and/or the reaction force of torsion spring. The mounting panel both sides all are equipped with the panel beating and bend the limit, and the panel beating of one side is bent the limit and is used for limiting and keeps off the opposite direction rotary motion of cup, and the panel beating of opposite side is bent the limit and is used for torsional spring butt.
As a technical scheme, the slide is an inclined slide, and comprises a guide Duan Hehuan storage section, wherein a speed reducing plate is arranged in the middle of the guide section, and the height of the speed reducing plate gradually decreases from the inlet to the outlet of the slide.
As a technical scheme, a full cup sensor is arranged on the side wall of the slideway.
As a technical scheme, the device also comprises an anti-accumulation mechanism for preventing the reaction cup in the hopper from being blocked; the stacking prevention mechanism comprises a pushing plate and a driving mechanism II, and the pushing plate reciprocates under the action of the driving mechanism II, so that a reaction cup in the hopper is stirred.
As a technical scheme, driving mechanism II includes motor II, mounting panel III, linear guide, slider connecting seat, cam, drive plate, motor II installs on mounting panel III, and the cam is connected to motor II output, linear guide is fixed on mounting panel III, the drive plate passes through slider connecting seat sliding connection on linear guide II, be equipped with the mounting groove of matching connection cam on the drive plate, push pedal and drive plate fixed connection, the push pedal swings under the linkage effect of motor II, cam, drive plate, realizes the stirring to the reaction cup. The mounting plate III is mounted on the hopper through a connecting piece, and a mounting hole which is matched with the push plate and extends into and moves is formed in the hopper. Preferably, the mounting hole is provided at the bottom of the hopper.
As a technical scheme, still include the detection component that resets, the detection component that resets includes opto-coupler and opto-coupler separation blade, opto-coupler separation blade is connected along with the drive plate swing with the drive plate, the opto-coupler is installed on the mounting panel III to be located the orbit of opto-coupler separation blade.
As a technical scheme, reaction cup automatic loading device is including advancing the cup base, advance to be provided with on the cup base relatively and advance the cup left side board and advance the cup right side board, advance and form the passageway between cup left side board and the cup right side board, hopper one side fluting and be linked together with the passageway, conveying mechanism sets up in the passageway to hopper bottom is located to one end, and the other end extends outside the hopper. The reaction cup outlet is arranged on the left side plate/the right side plate of the cup inlet and is connected to the inlet end of the slideway.
As a technical scheme, conveying mechanism includes motor three, driving sprocket, driven sprocket, chain, loading board, be connected through the hold-in range between motor three output and the driving sprocket, be connected through the chain between driving sprocket and the driven sprocket, loading board distributes on the chain surface, and a reaction cup can be placed to every loading board, from this conveying mechanism carries the reaction cup outside the hopper in the hopper one by one. The loading plate is obliquely arranged between the left side plate of the feeding cup and the right side plate of the feeding cup, the reaction cup is obliquely placed into the loading plate and is conveyed to rise out of the hopper along with the loading plate, a reaction cup outlet is formed in the side plate of the oblique contact side of the reaction cup, and when the reaction cup is conveyed to the outlet, the reaction cup directly slides out of the outlet due to the action of gravity.
The application also provides a chemical analyzer, which comprises any one of the automatic loading devices for the reaction cup.
The components, connection relationships between components, positional relationships, and the like not mentioned in the present application may be implemented by any feasible prior art.
The beneficial effects are that: the automatic loading device for the reaction cups is compact in structure, and the reaction cups are uninterruptedly conveyed and high in working efficiency, and can orderly control the reaction cups in the sorting mechanism to slide out one by one and fall into the cup separating mechanism by additionally arranging the cup pushing assembly and the cup blocking assembly. Or this automatic loading device of reaction cup is through addding the cup subassembly that falls, on the one hand can provide abundant reaction cup buffering space, on the other hand because the cup subassembly that falls add can further guide the reaction cup and accurately fall into the assigned position to because the cup subassembly structure that falls is various, make the slide with divide structural layout between the cup mechanism have more possibilities.
Drawings
FIG. 1 is a schematic structural view of an automatic reaction cup loading device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the hopper mechanism and the conveyor mechanism;
FIG. 4 is a schematic diagram of a transport mechanism;
FIG. 5 is a schematic view of the anti-stacking mechanism;
FIG. 6 is an exploded view of FIG. 5;
FIG. 7 is a schematic diagram of a sequencing mechanism;
FIG. 8 is an exploded view of FIG. 7;
FIG. 9 is a schematic view of a baffle cup assembly;
fig. 10 is a schematic view of the driving mechanism.
In the figure, a hopper 11 and a mounting hole 111;
the stacking prevention mechanism 12, a push plate 121, a motor II 122, a mounting plate III 123, a linear guide rail II 124, a sliding block connecting seat 125, a cam 126, a transmission plate 127, a connecting piece 128, an optical coupler 1291 and an optical coupler baffle 1292;
slide way 21, guide section 211, buffer section 212 and speed reducing plate 213;
cup pushing assembly 22, cup pushing piece 221, arc notch 2211, motor 222, mounting plate two 223, synchronizing wheel 224, synchronous belt 225, synchronizing idler 226, connecting rod 227, linear guide 228, and slide block 229; in-place detection mechanism
The cup blocking assembly 23, the cup blocking piece 231, the mounting plate 232, the torsion spring 233, the rotating shaft 234, the second rotating shaft 235, the sheet metal bent edge 236, the second sheet metal bent edge 237, the bearing 2311, the bearing rotating shaft 2312 and the E-shaped clamp spring 238;
cup falling assembly 24, cup sliding groove 241, cup falling tube 242, cup placing section 2411, cup sliding section 2412, pressing block 2421, reducing section 2422 and guide block 2423;
a third motor 31, a driving sprocket 32, a driven sprocket 33, a chain 34, a loading plate 35, a second optocoupler 321 and a second optocoupler baffle 322;
a cup inlet base 1, a cup inlet left side plate 2, a cup inlet right side plate 3, a reaction cup outlet 4, a cup full sensor 5 and a cup pushing sensor 6.
Detailed Description
The following describes the technical scheme of the present application in detail with reference to specific embodiments.
Example 1
The automatic reaction cup loading device shown in fig. 1 and 2 comprises a hopper mechanism, a conveying mechanism, a sequencing mechanism and a cup separating mechanism, wherein the hopper mechanism comprises a hopper 11, the conveying mechanism is used for conveying reaction cups in the hopper 11 to the sequencing mechanism one by one, and then the reaction cups slide into the cup separating mechanism one by one after passing through the sequencing mechanism. The cup separating mechanism may be a reaction cup transferring mechanism, a reaction cup turntable or the like, and is not shown in the figure.
Referring to fig. 3, in this embodiment, the automatic loading device for reaction cups includes a cup feeding base 1, a cup feeding left plate 2 and a cup feeding right plate 3 are disposed on the cup feeding base 1, a channel is formed between the cup feeding left plate 2 and the cup feeding right plate 3, and one side of a hopper 11 is opened and is communicated with the channel. The conveying mechanism is arranged in the channel, and is combined with fig. 4, the conveying mechanism comprises a motor III 31, a driving sprocket 32, a driven sprocket 33, a chain 34 and a loading plate 35, the output end of the motor III 31 is connected with the driving sprocket 32 through a synchronous belt, the driving sprocket 32 is connected with the driven sprocket 33 through the chain 34, the loading plate 35 is distributed on the surface of the chain 34, and each loading plate 35 can be used for placing one reaction cup, so that the conveying mechanism conveys the reaction cups in the hopper to the outside of the hopper one by one. The loading plate 35 is obliquely arranged between the cup feeding left side plate 2 and the cup feeding right side plate 3, the reaction cups are obliquely placed into the loading plate 35 and are conveyed along with the loading plate 35 to rise out of the hopper, the side plates of the reaction cups on the oblique contact side are provided with reaction cup outlets 4, and when the reaction cups are conveyed to the outlets, the reaction cups directly slide out of the outlets to enter the sequencing mechanism under the action of gravity.
Referring to fig. 3, an optical coupler second blocking piece 322 which rotates synchronously is arranged on the shaft of the driving sprocket 32, the optical coupler second blocking piece 322 is disc-shaped, blocking pieces are arranged at peripheral intervals, an optical coupler second 321 is arranged on the running path of the optical coupler second blocking piece 322, the working state of the optical coupler is in a blocked state or a non-blocked state, the optical coupler second blocking piece is arranged to block the optical coupler second by driving the blocking piece to move so as to detect the movement position, a plurality of gaps are formed in the disc-shaped optical coupler blocking piece, blocking and non-blocking signals are formed alternately by rotating the disc, the movement or stop of the rotating wheel is conveniently controlled, and intermittent movement is realized.
In this embodiment, referring to fig. 2, a mounting hole 111 is formed in the bottom of the hopper 11, and an anti-stacking mechanism 12 is disposed at the position of the mounting hole 111 in a matching manner, where the anti-stacking mechanism includes a push plate 121 and a second driving mechanism, and the push plate 121 extends into the mounting hole 111 to reciprocate under the action of the second driving mechanism, agitate the reaction cup in the hopper, and prevent the reaction cup in the hopper from being stuck.
In this embodiment, as shown in fig. 5 and 6, the anti-stacking mechanism 12 includes a push plate 121 and a second driving mechanism, the second driving mechanism includes a second motor 122, a third mounting plate 123, a second linear guide rail 124, a slide block connecting seat 125, a cam 126, and a driving plate 127, the second motor 122 is mounted on the third mounting plate 123, the output end of the second motor 122 is connected with the cam 126, the second linear guide rail 124 is fixed on the third mounting plate 123, the driving plate 127 is slidably connected on the second linear guide rail 124 through the slide block connecting seat 125, the driving plate 127 is provided with a mounting groove matched with the connecting cam 126, the push plate 121 is fixedly connected with the driving plate 127, and the push plate 121 swings under the linkage action of the second motor 122, the cam 126 and the driving plate 127 to stir the reaction cup. Wherein mounting plate three 123 is mounted on the hopper by means of a connection 128.
In this embodiment, the anti-stacking mechanism 12 further includes a reset detection assembly, as shown in fig. 6, where the reset detection assembly includes an optocoupler 1291 and an optocoupler baffle 1292, the optocoupler baffle 1292 is connected with the transmission plate 127 and swings with the transmission plate, and the optocoupler 1291 is mounted on the mounting plate three 123 and is located on the running track of the optocoupler baffle 1292. After the motor II drives the transmission plate to move for one stroke, the baffle plate arranged on the transmission plate shields the optocoupler when the motor II returns to the initial position so as to detect whether the operation is normal.
In this embodiment, opposite sidewalls of the hopper 11 are provided with a correlation optocoupler, an emission signal, and a receiving signal, which are used for detecting the approximate number of the remaining reaction cups in the hopper, so as to remind a user to add enough reaction cups, and prevent the test from being interrupted due to less reaction cups. The correlation optocoupler in the hopper is arranged at a position, close to the bottom, of the hopper.
In this embodiment, referring to fig. 7 and 8, the sorting mechanism includes a slide 21, a cup pushing assembly 22, a cup blocking assembly 23, and a cup dropping assembly 24, where the cup pushing assembly 22 includes a cup pushing member 221 and a driving mechanism, and the cup blocking assembly 23 includes a cup blocking member 231; the slideway 21 is provided with an inlet and an outlet, the cup baffle 231 is arranged at the outlet of the slideway, and the outlet of the slideway is connected with the cup falling assembly 24; the cup pushing pieces 221 are driven by the driving mechanism to reciprocate towards the outlet direction of the slideway, and the reaction cups are pushed one by one to slide out of the outlet and into the cup falling assembly 24 after overcoming the effect of the cup blocking pieces 231.
In this embodiment, as shown in fig. 8, the cup falling assembly 24 includes a cup sliding groove 241 and a cup falling tube 242, one end of the cup sliding groove 241 is connected to the outlet of the slide way 21, the other end is connected to the cup falling tube 242, and the reaction cup sliding out of the slide way 21 slides into the cup sliding groove 241 first, and then slides into the cup falling tube 242 to fall out. Wherein, referring to fig. 8, the cup sliding groove 241 includes a cup placing section 2411 and a cup sliding section 2412, the cup placing section 2411 and the cup sliding section 2412 are vertically arranged, the inlet of the cup placing section 2411 is connected with the outlet of the slideway 21, and the cup blocking member 231 is arranged at the initial position of the cup sliding section 2412. The cup pushing piece 221 pushes the reaction cups sliding into the cup placing section 2411, overcomes the effect of the cup blocking piece 231 at the starting position of the cup sliding section 2412, and pushes the reaction cups into the cup sliding section 2412 one by one, wherein the movement direction of the cup pushing piece 221 coincides with the setting direction of the cup sliding section 2412. The slide cup segment 2412 is formed by two opposite side plates, the bottom is hollow, the inner wall of the side plate is provided with an inclined plane which is convenient for the reaction cup to slide down, in this case, the reaction cup is provided with a cup edge, and the cup edge just hangs and slides down through the inclined plane of the inner wall of the side plate.
In this embodiment, the cup dropping assembly 24 further includes a cup dropping tube 242, where the cup dropping tube 242 is disposed at the outlet of the cup sliding groove 241, that is, the cup dropping tube is disposed at the end of the cup sliding section 2412, for receiving the reaction cup sliding down from the cup sliding section 2412 and guiding the reaction cup to drop out to a designated position after passing through the cup dropping tube 242. The cup falling pipe 242 is pressed at the tail end of the cup sliding groove 241 through the pressing block 2421, and referring to fig. 8, the upper half section of the cup falling pipe 242 is a semicircular groove, the cup falling pipe 242 is pressed on two side plates of the cup sliding section 2412 through the pressing block 2421, the lower half section of the cup falling pipe 242 is in a complete tubular shape, and a guide block 2423 is arranged at the connection position and used for guiding and ensuring that a reaction cup sliding from the cup sliding section 2412 can enter the cup falling pipe 242. The outlet end of the cup falling pipe 242 is connected with a reducing section 2422, and the inner diameter of the reducing section 2422 is slightly larger than the maximum outer diameter of the reaction cup, so that the reaction cup can be fully contained in the cup falling pipe when the upper section diameter is larger, the diameter of the outlet section is smaller, and the reaction cup can be better guided to stably fall out and accurately fall into a preset position.
In this embodiment, the cup blocking member 231 is disposed at the starting position of the sliding cup section 2412, specifically, referring to fig. 9, the cup blocking member 23 includes a mounting plate 232, a cup blocking member 231, a torsion spring 233 and a rotating shaft 234, the mounting plate 232 is fixed on the outer side wall of the side plate of the sliding cup section 2412, the cup blocking member 231 is rotatably mounted on the mounting plate 232 through the rotating shaft 234, a torsion spring 233 is further disposed on the mounting plate on one side of the cup blocking member 231 facing away from the cup direction, the torsion spring 233 is mounted on the mounting plate 232 through a second rotating shaft 235, one end of the torsion spring 233 is abutted to one side of the free end of the cup blocking member 231 facing away from the cup direction, and the other end is abutted to the sheet metal bent edge 236 on the mounting plate. That is, when the cup pushing member 221 pushes the reaction cup to touch the cup blocking member 231 under the action of the driving mechanism, the free end of the cup blocking member 231 extrudes the torsion spring 233 under the linkage action of the cup pushing member 221 and the reaction cup, the cup blocking member 231 rotates a certain angle towards the cup outlet direction until the reaction cup slides down along the cup sliding section 2412, the cup pushing member 221 withdraws under the action of the driving mechanism, the cup blocking member 231 resets under the reaction force of the extruded torsion spring 233, and the reaction cup is blocked from freely sliding into the cup sliding section 2412. In other embodiments, the cup blocking member 231 may be directly configured as an elastic member, that is, may be deformed by an external force, and may be quickly restored after the external force is removed. The shape and structure of the elastic piece are not limited, so long as the reaction cup can pass through the position of the elastic piece under the action of the cup pushing piece, and the elastic piece can restore the blocking effect on the reaction cup at the outlet of the slideway after the cup pushing piece moves reversely.
In this embodiment, a second sheet metal bending edge 237 is also disposed on the mounting plate 232 near the cup direction for limiting the excessive return of the cup blocking member 231, i.e. the cup blocking member 231 can naturally droop and block at the initial position of the sliding cup section 2412 in the initial state. In order to prolong the service life as much as possible and reduce the failure of parts caused by sliding abrasion, a bearing 2311 and a bearing rotating shaft 2312 are further arranged at the free end of the retaining cup 231, so that sliding is converted into rolling. E-shaped clamp springs 238 are arranged at the installation positions of the cup baffle 231 and the rotating shaft 234, the installation positions of the torsion spring 233 and the rotating shaft II 235 and the installation positions of the bearing 2311 and the bearing rotating shaft 2312.
In this embodiment, with reference to fig. 10, the cup pushing assembly 22 includes a cup pushing member 221 and a driving mechanism, an arc-shaped notch 2211 fitting the periphery of the reaction cup is provided at the free end of the cup pushing member 221 (i.e. the end for pushing the reaction cup), the cup pushing member 221 is located above the cup placing section 2411, the cup placing section 2411 can just park a reaction cup, and the cup pushing member 221 reciprocates under the action of the driving mechanism to push the reaction cups sliding into the cup placing section 2411 from the slide way 21 one by one towards the cup sliding section 2412. Referring to fig. 10, the driving mechanism includes a motor 222, a second mounting plate 223, a synchronizing wheel 224, a synchronizing belt 225, a synchronizing idler 226, a connecting rod 227, a linear guide 228, and a slider 229, wherein the motor 222 is mounted on the second mounting plate 223, the output end of the motor is connected with the synchronizing wheel 225, the synchronizing wheel 224 and the synchronizing idler 226 are connected through the synchronizing belt 225, one end of the connecting rod 227 is connected with the slider 229, the other end is connected with the cup pushing member 221, and the slider 229 is mounted on the linear guide 228 in a matching manner and is connected with the synchronizing belt 225; the method also comprises the step of detecting the position of the optical coupler assembly. Thus, the motor 222 is started, and the cup pushing member 221 reciprocates in association with the timing belt 225, the slider 229, and the connecting rod 227. The drive mechanism is here a conventional drive, and in other embodiments any other drive may be used.
In this embodiment, the slide 21 is an inclined linear slide, and includes a bottom plate and two opposite side plates, as shown in fig. 8, a guide section 211 near the inlet end and a buffer section 212 near the outlet end. The guide section 211 is internally provided with a speed reducing plate 213, the speed reducing plate 213 is vertically fixed on the bottom plate, and the height of the speed reducing plate 213 is gradually reduced from the inlet to the outlet of the slideway so as to guide the reaction cup entering from the inlet of the slideway to a state that the bottom of the reaction cup is downward and the cup opening is upward. Or, the speed reducing plate 213 is designed to gradually increase the included angle between the central axis of the reaction cup and the horizontal plane to about 90 degrees after the bottom of the cup contacts, so as to eliminate the rotation energy generated by the reaction cup sliding down from the loading plate to contact with the inclined surface of the slideway, thereby preventing the bottom of the reaction cup from reaching upwards to the buffer area below the sequencing mechanism.
In this embodiment, a cup pushing sensor 6 is further provided for detecting whether there is a reaction cup to be pushed out, and if so, starting the operation of the cup pushing assembly. The cup pushing sensor 6 is installed on the cup placing section 2411 of the cup sliding groove 241, specifically may be installed on a side wall of the cup placing section 2411, and detects whether a reaction cup to be pushed out exists in the cup placing section 2411 through a hole on the side wall. In this embodiment, a full cup sensor 5 is further provided for detecting whether enough reaction cups are loaded in the slide buffer section 212, the full cup sensor 5 is disposed on a sidewall at the junction of the slide guide section 211 and the buffer section 212, and detects whether enough reaction cups are arranged in the buffer section 212 through an opening on the sidewall, and if the reaction cups are full, the transfer signal pauses to introduce the reaction cups into the slide. The cup pushing sensor 6 and the cup full sensor 5 may be any sensors that can achieve the above-described detection effect.
When the automatic reaction cup loading device in the embodiment operates, a user pours a large number of reaction cups into the hopper, along with the operation of the stacking prevention mechanism and the conveying mechanism, the reaction cups slide between two loading plates (at most one reaction cup can be accommodated between the two loading plates), the reaction cups intermittently or continuously move from the hopper to the upper part of the conveying mechanism along with the conveying mechanism, reach the connection position of the conveying mechanism and the sorting mechanism, and slide into the sorting mechanism under the action of gravity. The sequencing mechanism is designed as an inclined slideway, and the reaction cup which is conveyed out of the hopper and reaches the delivery position slides off the loading plate by the dead weight or external force applied by other mechanisms, so that the posture is changed into a state that the cup mouth is upward. The upper half part of the slideway is used for guiding the reaction cup, and the lower half part of the slideway is used for caching part of the reaction cup. And a sensor is arranged on the slideway, and when a certain number of buffer track reaction cups are detected, the conveying mechanism pauses operation. When the number of the reaction cups of the buffer track is reduced to a certain number, the conveying mechanism can continue to operate, and new reaction cups are conveyed from the storage bin. The reaction cup reaches the lower part of the sorting mechanism and can be blocked by the baffle cup, when the cup pushing part of the cup pushing mechanism moves forwards (only one reaction cup can be pushed each time), the cup pushing part pushes the reaction cup to overcome the resistance of the torsion spring after the baffle cup part to move for a certain distance, the baffle cup slides to the upper part of the cup pushing part, the pushed reaction cup moves to a sliding cup groove with an inclined plane, the reaction cup slides from the inclined plane of the sliding cup groove to enter the cup falling pipe, the cup falling pipe is vertically arranged, and the reaction cup falls to a designated position on the cup separating mechanism under the action of gravity. The necking cup falling mouth is designed below the cup falling pipe, so that the reaction cup can accurately fall into the cup groove of the cup separating rotary disc below.
Wherein, prevent piling up the reaction cup in the mechanism stirs the feed bin, avoid the reaction cup to block in the feed bin and slip and can not arrive the feed bin bottom, the push pedal has the effect to the reaction cup direction, makes the reaction cup slide into more easily in the clearance between conveying mechanism's the loading board, prevents piling up the mechanism and can adopt slider-crank mechanism to realize when embodying, can adopt chain drive's driven shaft as preventing piling up the driving shaft of mechanism simultaneously. The conveying mechanism needs to load the reaction cups, conveys the reaction cups to a designated position, adopts a chain with accessories to match with a chain wheel and a loading plate, only enables a single reaction cup to enter a gap between the loading plates, and finally conveys the reaction cups out of the hopper one by one; the stepping motor is adopted for driving, and the stepping motor is used for driving the chain and the loading plate after the torque is increased through the speed reduction of the synchronous wheel.
Example 2
Compared with embodiment 1, in this embodiment, the cup falling assembly is not provided, in this case, the cup blocking member is disposed at the outlet of the slide, and the cup pushing sensor may be disposed on the sidewall of the end of the slide for detecting whether there is a reaction cup to be pushed out in the slide, and the rest is the same as embodiment 1.
Example 3
Compared with the embodiment 1, the cup falling assembly in this embodiment only includes a sliding cup groove, the sliding cup groove is disposed at the outlet of the slide way, the reaction cup slides into the sliding cup groove and then directly slides into the predetermined position, and the rest of the arrangement is the same as that of the embodiment 1.
Example 4
Compared with the embodiment 1, the cup falling assembly in this embodiment only includes a cup falling tube, and the cup falling tube is disposed at the outlet of the slide for receiving the reaction cup sliding out of the slide, in which case the cup pushing sensor may also be disposed on the sidewall of the end of the slide for detecting whether there is a reaction cup to be pushed out in the slide, and the rest is the same as the embodiment 1.
Example 5
Compared with embodiment 1, the embodiment does not provide a cup blocking assembly, and comprises a slide way and a cup falling assembly, wherein the cup falling assembly is the same as embodiment 1, and because the cup falling assembly is additionally arranged, the buffer space of the reaction cup is indirectly prolonged, more reaction cups can be buffered, the structure of the cup falling assembly can be flexibly adjusted, the design space can be more conveniently utilized, and a reaction cup ordering mechanism and an analyzer with more reasonable and compact structure are designed.
Example 6
Compared with embodiment 5, the cup falling assembly in this embodiment only includes a sliding cup groove, the sliding cup groove is disposed at the outlet of the slide way, and the reaction cup slides into the sliding cup groove and then directly slides into the predetermined position.
Example 7
In contrast to embodiment 5, the cup dropping assembly in this embodiment only includes a cup dropping tube disposed at the outlet of the slide for receiving the reaction cup sliding out of the slide.
Claims (13)
1. An automatic loading device for a reaction cup is characterized in that,
comprises a hopper mechanism, a conveying mechanism, a sequencing mechanism and a cup separating mechanism;
the hopper mechanism comprises a hopper (11), and the conveying mechanism is used for conveying the reaction cups in the hopper to the sequencing mechanism one by one;
the sorting mechanism comprises a slideway (21) and a cup falling assembly (24), and reaction cups in the slideway slide into the cup separating mechanism after passing through the cup falling assembly (24).
2. The automatic cuvette loading device according to claim 1, wherein,
the cup falling assembly (24) comprises a cup sliding groove (241), and the starting end of the cup sliding groove (241) is connected with a slideway outlet;
alternatively, the cup dropping assembly (24) comprises a cup dropping pipe (242), and the cup dropping pipe (242) is arranged at the outlet of the slideway;
or, the cup falling assembly (24) comprises a cup sliding groove (241) and a cup falling pipe (242), one end of the cup sliding groove (241) is connected with the slide way outlet, the other end of the cup sliding groove is connected to the cup falling pipe (242), and the reaction cup slides into the cup falling pipe after entering the cup sliding groove from the slide way.
3. The automatic cuvette loading device according to claim 1, wherein the sorting mechanism further comprises a cuvette pushing assembly (22), the cuvette pushing assembly comprises a cuvette pushing piece (221) and a driving mechanism, and the cuvette pushing piece (221) reciprocates towards the outlet direction of the slideway under the action of the driving mechanism to push the cuvettes to slide into the cuvette separating mechanism one by one.
4. The automatic reaction cup loading device according to claim 2 or 3, wherein the sliding cup groove (241) comprises a cup placing section (2411) and a sliding cup section (2412), the cup placing section (2411) and the sliding cup section (2412) are arranged in a crossing manner, the cup placing section (2411) is connected with a slideway outlet, and an inclined plane which is convenient for the reaction cup to slide down is arranged inside the sliding cup section (2412).
5. The automatic reaction cup loading device according to claim 4, wherein the free end of the cup pushing piece (221) is provided with an arc-shaped notch (2211) which is matched with the periphery of the reaction cup, the cup pushing piece (221) is located above the cup placing section (2411), the cup placing section (2411) can just park one reaction cup, the cup pushing piece (221) reciprocates under the action of the driving mechanism, and the reaction cups sliding into the cup placing section (2411) from the slideway (21) are pushed one by one to move towards the cup sliding section (2412).
6. The automatic cuvette loading device according to claim 4, wherein a bottom surface of said cuvette slide groove (241) is a slope inclined toward the cuvette dropping pipe (242); or the bottom surface of the sliding cup groove (241) is hollowed, and inclined planes which are used for hanging the reaction cup along the cup falling pipe (242) are arranged on the inner walls of the two side walls.
7. The automatic reactor cup loading device according to claim 2, wherein the outlet end of the cup dropping tube (242) is connected with a reducing section (2422), and the inner diameter of the reducing section (2422) is slightly larger than the maximum outer diameter of the reactor cup.
8. The automatic reaction cup loading device according to claim 1, wherein the slide way (21) is an inclined slide way and comprises a guide section (211) and a buffer section (212), a speed reducing plate (213) is arranged in the middle of the guide section (211), and the height of the speed reducing plate (213) gradually decreases from the inlet to the outlet of the slide way.
9. The automatic reaction cup loading device according to claim 1, wherein a cup full sensor (5) is arranged on the side wall of the slideway (21).
10. The automatic cuvette loading device according to claim 1, further comprising an anti-stacking mechanism (12) for preventing a cuvette in the hopper from jamming; the stacking prevention mechanism (12) comprises a pushing plate (121) and a driving mechanism II, and the pushing plate (121) reciprocates under the action of the driving mechanism II so as to stir the reaction cup in the hopper (11).
11. The automatic cuvette loading device according to claim 10, further comprising a reset detection assembly including an optocoupler (1291) and an optocoupler stop (1292).
12. The automatic reaction cup loading device according to claim 1, comprising a cup feeding base (1), wherein a cup feeding left side plate (2) and a cup feeding right side plate (3) are oppositely arranged on the cup feeding base (1), a channel is formed between the cup feeding left side plate (2) and the cup feeding right side plate (3), one side of the hopper (11) is slotted and communicated with the channel, and the conveying mechanism is arranged in the channel, one end of the conveying mechanism is arranged at the bottom of the hopper, and the other end of the conveying mechanism extends out of the hopper.
13. A sample analyzer comprising the cuvette auto-loading device according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311450956.7A CN117590013A (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211589600.7A CN116087546B (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
| CN202311450956.7A CN117590013A (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211589600.7A Division CN116087546B (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
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| CN117590013A true CN117590013A (en) | 2024-02-23 |
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| CN202311450956.7A Pending CN117590013A (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
| CN202211589600.7A Active CN116087546B (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
| CN202311451063.4A Pending CN117590014A (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
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| CN202211589600.7A Active CN116087546B (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
| CN202311451063.4A Pending CN117590014A (en) | 2022-12-12 | 2022-12-12 | Automatic loading device for reaction cup and sample analyzer |
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| CN116500254B (en) * | 2023-06-29 | 2023-09-26 | 山东康华生物医疗科技股份有限公司 | Mixing cup inlet and outlet assembly of full-automatic fluorescence immunoassay analyzer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105181985A (en) * | 2015-10-20 | 2015-12-23 | 希肯医疗技术（苏州）有限公司 | Reaction cup loading system for automatically conveying reaction cups to analysis device |
| CN105403719B (en) * | 2015-12-15 | 2018-04-20 | 苏州长光华医生物医学工程有限公司 | A kind of reaction cup auto feed mechanism |
| CN112129961A (en) * | 2020-09-22 | 2020-12-25 | 迈克医疗电子有限公司 | Reactor supply device and reactor supply method |
| CN112340410A (en) * | 2020-11-13 | 2021-02-09 | 重庆中元汇吉生物技术有限公司 | Feeding sorting device and feeding sorting method |
| CN112239076A (en) * | 2020-11-13 | 2021-01-19 | 重庆中元汇吉生物技术有限公司 | Pushing device |
| CN115144607A (en) * | 2021-03-31 | 2022-10-04 | 深圳市帝迈生物技术有限公司 | Automatic cup feeding device, cup feeding method and sample analyzer |
| CN214895354U (en) * | 2021-04-08 | 2021-11-26 | 复星诊断科技(上海)有限公司 | Automatic loading and scheduling mechanism of RV reaction cup |
| CN113433334A (en) * | 2021-07-23 | 2021-09-24 | 深圳市爱康生物科技有限公司 | Automatic cup feeding device and method |
| CN216917527U (en) * | 2022-03-10 | 2022-07-08 | 深圳天辰医疗科技有限公司 | Automatic cup supplying device |
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- 2022-12-12 CN CN202211589600.7A patent/CN116087546B/en active Active
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| CN116087546A (en) | 2023-05-09 |
| CN116087546B (en) | 2023-11-24 |
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