CN109100528B - Reaction cup guiding device - Google Patents
Reaction cup guiding device Download PDFInfo
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- CN109100528B CN109100528B CN201810904429.1A CN201810904429A CN109100528B CN 109100528 B CN109100528 B CN 109100528B CN 201810904429 A CN201810904429 A CN 201810904429A CN 109100528 B CN109100528 B CN 109100528B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 98
- 230000033001 locomotion Effects 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000011068 loading method Methods 0.000 description 40
- 238000003756 stirring Methods 0.000 description 26
- 230000009467 reduction Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 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
- G01N35/02—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
- G01N35/025—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 carousel or turntable for reaction cells or cuvettes
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Abstract
The invention relates to a reaction cup guiding device, which comprises: the movable piece is provided with a receiving groove for receiving the reaction cup, and the movable piece can be movably arranged to drive the reaction cup to move from an initial position to a preset position. According to the reaction cup guiding device, the received reaction cup can be automatically conveyed to the preset position by arranging the moving part with the receiving groove, the reaction cup cannot be clamped in the conveying process, the labor cost is saved, the working efficiency is improved, and the whole structure is simple and compact.
Description
Technical Field
The invention relates to the technical field of in-vitro diagnosis, in particular to a reaction cup guiding device.
Background
In the in vitro diagnostic industry, test instruments are typically involved in a variety of reaction tests, with reaction cups typically being selected as the reaction vessels for the reaction tests. In the reaction test process, the irregularly placed reaction cups need to be conveyed to a test instrument in order for test.
In the prior art, some detecting instruments need to manually discharge a certain number of reaction cups into a cup box for containing the reaction cups in sequence in advance, and the reaction cups are transported through the movement of the cup box, so that the working mode needs to waste larger manpower, and the detection efficiency is lower.
In order to save the human cost and improve the detection efficiency, some detection instruments are provided with strips, and the reaction cup is driven to reach a designated position by driving the strips, however, the strips are disposable consumables, the cost is high, and white garbage is easy to produce.
Still some detecting instrument adopts chain conveying mechanism and guide way complex mode transportation reaction cup, through the transmission of chain, drives the reaction cup motion that bears on the chain, and then makes the reaction cup slide into the guide way to rely on its self gravity to arrange neatly, improved detection efficiency. However, the reaction cup can randomly appear lying pipe, card pipe phenomenon in the guide way, need to shut down the back by artifical clear material to maintain by professional instrument maintenance personnel, dismantle with the equipment detecting instrument more loaded down with trivial details, consume a large amount of time, on the whole reduced the detection efficiency of inspection instrument.
Disclosure of Invention
The invention aims to provide a reaction cup guiding device which can automatically convey a reaction cup to a preset position and can not clamp the reaction cup in the conveying process.
In one aspect, an embodiment of the present invention provides a reaction cup guiding device, which includes: the movable piece is provided with a receiving groove for receiving the reaction cup, and the movable piece can be movably arranged to drive the reaction cup to move from an initial position to a preset position.
In one aspect of the embodiment of the invention, the receiving groove comprises a first groove and/or a second groove which are tapered from top to bottom, the reaction cup comprises a body and a flange positioned on the outer peripheral side of one end of the body, the maximum width dimension of the first groove is slightly larger than the outer diameter dimension of the flange of the reaction cup, and the width dimension of the second groove is larger than the maximum outer diameter dimension of the body of the reaction cup and smaller than the outer diameter dimension of the flange.
In one aspect of the embodiment of the invention, the guiding device further comprises a driving mechanism movably connected with the moving member, wherein the driving mechanism is a linear motion mechanism for driving the moving member to do reciprocating linear motion between an initial position and a preset position; the driving mechanism is a rotary motion mechanism so as to drive the moving piece to do reciprocating rotary motion between the initial position and the preset position.
According to an aspect of the embodiment of the invention, the guiding means further comprises clamping means for gradually clamping the cuvette during movement of the mover from the initial position to the predetermined position.
According to one aspect of the embodiment of the invention, the clamping device comprises a guide member and a clamping mechanism guide member fixedly connected with the moving member, the guide member is provided with a guide groove, the clamping mechanism comprises a rolling member matched with the guide groove, and the clamping device gradually clamps the reaction cup by moving along the guide groove through the rolling member.
According to one aspect of the embodiment of the invention, the clamping mechanism comprises a jaw which can be movably connected, the jaw is provided with a through groove, one through groove is used for accommodating the reaction cup, and the rolling element is arranged below the jaw; the guide groove is gradually reduced along the direction from the initial position to the preset position, and the clamping force of the clamping jaw is adaptively adjusted by the clamping mechanism in the process that the rolling piece moves along the guide groove.
According to an aspect of the embodiment of the present invention, the clamping mechanism further includes elastic means disposed at both sides of the through groove; the clamping mechanism adaptively adjusts the clamping force of the jaws by compressing or expanding the elastic means.
According to an aspect of the embodiment of the present invention, the clamping mechanism further includes a fixing frame and a support shaft provided on the fixing frame; the clamping mechanism is fixedly connected with the moving part through the fixing frame; the claw is provided with a through hole matched with the supporting shaft, a linear bearing is arranged in the through hole, and the supporting shaft penetrates through the linear bearing, so that the claw can move relative to the supporting shaft, and the elastic device is compressed or stretched.
According to one aspect of the embodiment of the present invention, the guide device further includes a support bearing rotatably coupled to the clamping mechanism, the support bearing for supporting the movable member for reciprocal movement between the initial position and the predetermined position.
According to one aspect of the embodiment of the present invention, the guide device further includes a second sensor assembly for detecting whether the moving member receives the cuvette, and detecting whether the moving member reaches the initial position and the predetermined position.
According to the reaction cup guiding device provided by the embodiment of the invention, the received reaction cup can be automatically conveyed to the preset position by arranging the moving part with the receiving groove, the reaction cup can not be blocked in the conveying process, the labor cost is saved, the working efficiency is improved, and the whole structure is simple and compact.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an automatic reaction cup loading device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a silo in the automatic loading device of the reaction cup shown in FIG. 1;
FIG. 3 is a schematic view of a loading device of the automatic loading device of the reaction cup shown in FIG. 1 along an angle;
FIG. 4 is a schematic view of a loading apparatus of FIG. 3 with the bin removed and at another angle;
FIG. 5 is a schematic view of the automatic reaction cup loading device shown in FIG. 3, with the bin removed, in the direction A;
FIG. 6 is a schematic structural view of a stirring mechanism in the feeding device shown in FIG. 3;
fig. 7 is a schematic top view of another feeding device in the automatic loading device for reaction cups according to the embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of another loading device shown in FIG. 7 in the B-B direction;
FIG. 9 is a schematic view showing a structure of a guide means of the automatic loading device for a cuvette shown in FIG. 1 along an angle;
fig. 10 is a schematic view of the structure of the receiving groove in the guide device shown in fig. 9;
FIG. 11 is a schematic view of the guide of FIG. 9 taken at another angle;
FIG. 12 is a schematic view of the structure of the clamping device in the guide device shown in FIG. 9;
FIG. 13 is a schematic view of the structure of the jaws in the clamping device shown in FIG. 12;
FIG. 14 is a schematic view showing the structure of another guide means of the automatic loading device for a cuvette shown in FIG. 1 along an angle;
FIG. 15 is a schematic top plan view of the alternative guide of FIG. 14 with the displacement member removed;
FIG. 16 is a block flow diagram of a first mode of operation in a method for automatically loading a cuvette according to an embodiment of the present invention;
FIG. 17 is a block flow diagram of another first mode of operation in a method for automatically loading a cuvette according to an embodiment of the present invention;
fig. 18 is a flow chart of a second operation mode in the automatic loading method of the reaction cup according to the embodiment of the invention.
Wherein:
10-a feeding device; 11-bin; 11 a-a first cavity; 11 b-a second cavity; 111-opening; 112-outlet; 113-a through hole; 12-a feeding mechanism; 121-a rotating member; 122-grooves; 123 a-a first motor; 123 b-a first capstan; 123 c-a first conveyor belt; 123 d-a first driven wheel; 123 e-a second conveyor belt; 123 f-a second drive wheel; 123 g-a second driven wheel; 123 h-a support shaft; 131-stirring piece; 131 a-bottom surface; 132-crank; 133-swinging rod; 133 a-chute; 134-orienting bars; 141-a first sensor; 141 a-a first transmitter; 141 b-a first receiver; 142-a second sensor; 15-angle measuring disc;
20-guiding means; 21-a moving member; 211-a receiving slot; 211 a-a first groove; 211 b-a second groove; 212-a baffle; 221-linear guide rail; 222-a slider; 223 a-a second motor; 223 b-a third drive wheel; 223 c-a third conveyor belt; 223 d-a third driven wheel; 23-clamping means; 231-jaws; 231 a-through slots; 232-elastic means; 233-rolling elements; 234-fixing frame; 235-supporting shaft; 236-linear bearings; 24-guide; 241-guide groove; 26-supporting bearings; 251-a third sensor; 252-fourth sensor; 253-fifth sensor; 253 a-fifth transmitter; 253 b-a fifth receiver;
30-a base; 31-a first vertical plate; 32-a second vertical plate; 33-horizontal plates; c-a reaction cup; c1-a body; c2-flange.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order not to unnecessarily obscure the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The directional terms appearing in the following description are directions shown in the drawings, and do not limit the specific structure of the automatic loading device for a reaction cup of the present invention. In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In order to better understand the present invention, the following describes in detail the automatic loading device and loading method for the reaction cup provided in the embodiment of the present invention with reference to fig. 1 to 18.
Referring to fig. 1 and 2 together, an embodiment of the present invention provides an automatic loading device for a reaction cup, which includes: loading attachment 10 and guider 20.
The feeding device 10 comprises a bin 11 and a feeding mechanism 12, wherein the bin 11 is provided with an opening 111 and an outlet 112; the feeding mechanism 12 is located between the opening 111 and the outlet 112 in the bin 11, the feeding mechanism 12 includes a rotating member 121, the rotating member 121 has a groove 122 provided along the circumferential direction thereof, the rotating member 121 is rotatable and is capable of receiving the reaction cup C placed in the bin 11 from the opening 111 through the groove 122 and outputting the reaction cup C from the outlet 112.
As shown in fig. 2, the bin 11 includes a first cavity 11a and a second cavity 11b which are communicated with each other, the opening 111 is located above the first cavity 11a, an accommodating space of the first cavity 11a is large for accommodating a plurality of reaction cups C which are randomly placed, the second cavity 11b is located below the first cavity 11a, an accommodating space thereof is relatively small for accommodating the rotating member 121, and a distance between an outer circumferential surface of the rotating member 121 and the second cavity 11b is smaller than a diameter size of the reaction cup C to prevent the reaction cup C from being caught in a place outside the recess 122 of the rotating member 121. The outlet 112 is located below the second cavity 11b, and when a certain groove 122 of the rotating member 121 rotates to a position opposite to the outlet 112, if a reaction cup C is just received in the groove 122, the reaction cup C will be output from the outlet 112 under the action of gravity.
The guide 20 is positioned below the outlet 112 to receive the cuvette C outputted from the outlet 112 and to move the cuvette C from an initial position to a predetermined position.
According to the automatic loading device for the reaction cup, provided by the embodiment of the invention, the automatic loading of the reaction cup C can be realized by arranging the loading device 10 and the guiding device 20, and the reaction cup C is automatically conveyed to the preset position.
The specific structure of each component of the automatic reaction cup loading device is described in further detail below with reference to the accompanying drawings.
Referring to fig. 3 to 5, the automatic loading device for a reaction cup according to the embodiment of the present invention further includes a base 30, the feeding device 10 and the guiding device 20 are disposed on the base 30, and the initial position and the predetermined position are located on the base 30.
Specifically, the base 30 includes a horizontal plate 33, a first vertical plate 31 and a second vertical plate 32 vertically disposed at a predetermined interval are provided on the horizontal plate 33, the loading device 10 is fixed on the base 30 through the first vertical plate 31 and the second vertical plate 32, and the guide device 20 is fixed on the horizontal plate 33.
Further, the rotating member 121 rotates around the horizontal central axis, the number of the grooves 122 is plural, and the plurality of grooves 122 are provided to penetrate in the axial direction of the rotating member 121, and each groove 122 is capable of accommodating one reaction cup C. After the cuvette C is placed in the storage bin 11 through the opening 111, the placement direction of the cuvette C is randomly adjusted along with the rotation of the rotating member 121. When the axial direction of the cuvette C coincides with the axial direction of the recess 122, the cuvette C falls into the recess 122 and rotates with the rotating member 121 in the recess 122.
The feeding mechanism 12 further includes a first transmission mechanism rotatably connected to the rotating member 121.
The first transmission mechanism comprises a first motor 123a and a first speed reduction mechanism connected with an output shaft of the first motor 123a, and an output end of the first speed reduction mechanism is coaxially arranged with the rotating member 121. The first motor may be a stepping motor or a servo motor, and drives the rotating member 121 to rotate around its central axis through the action of speed reduction and torque increase of the first speed reduction mechanism.
The first speed reducing mechanism can be, for example, a belt transmission mechanism, and the belt transmission mechanism has the characteristics of stable transmission, buffering and vibration absorption, and the like, and can buffer the collision force between the reaction cup C and the groove 122 in the feeding process, so as to prevent the reaction cup C from being damaged. Specifically, the first speed reducing mechanism includes a first driving wheel 123b, a first driven wheel 123d connected to the first driving wheel 123b through a first conveyor belt 123c, where the outer diameter of the first driving wheel 123b is smaller than the outer diameter of the first driven wheel 123d, and the ratio of the outer diameters is the speed reducing ratio. The rotating member 121 is disposed coaxially with the first driven wheel 123d on the support shaft 123h as shown in fig. 3 to 5.
Referring to fig. 3 to 6, in order to make the reaction cup C quickly enter the recess 122 of the rotating member 121, the loading device 10 further includes a stirring mechanism, where the stirring mechanism includes a stirring member 131, and the stirring member 131 is located in the bin 11 and is disposed near the rotating member 121, for example, the stirring member 131 may be rotatably disposed with respect to a circumference of the rotating member 121, and is used for stirring the reaction cup C placed in the bin 11 from the opening 111, so that the reaction cup C is received by the recess 122 of the rotating member 121.
In addition, the feeding device 10 further includes an accelerating mechanism, an input end of the accelerating mechanism is coaxially and fixedly connected with the rotating member 121, for example, the input end of the accelerating mechanism is commonly connected with the rotating member and the first driven wheel 123d on the supporting shaft 123h, and an output end of the accelerating mechanism is connected with the stirring mechanism, so as to drive the stirring member 131 to move and increase the stirring speed.
The stirring mechanism further comprises a crank 132, a swing rod 133 which is in sliding connection with the crank 132, and a directional rod 134 which is connected between the stirring piece 131 and the swing rod 133, wherein one end of the swing rod 133 is sleeved on the supporting shaft 123h, and the crank 132 is coaxially and fixedly connected with the output end of the accelerating mechanism, so that the crank 132 drives the stirring piece 131 which is connected with the swing rod 133 to reciprocate relative to the circumference of the rotating piece 121 in the rotating process.
The acceleration mechanism may be, for example, a belt drive mechanism to buffer the collision force between the cuvette C and the recess 122 during stirring, preventing the cuvette C from being damaged. Specifically, the acceleration mechanism may include a second driving wheel 123f and a second driven wheel 123g connected by a second conveyor belt 123e, where the outer diameter of the second driving wheel 123f is larger than the outer diameter of the second driven wheel 123g, and the ratio of the outer diameters is the acceleration ratio. The input end of the accelerating mechanism is a second driving wheel 123f, the output end of the accelerating mechanism is a second driven wheel 123g, the second driving wheel 123f is opposite to the first driven wheel 123d and is coaxially arranged on the supporting shaft 123h, and the second driven wheel 123g is coaxially and fixedly connected with the crank 132, as shown in fig. 3 to 5.
Further, a sliding groove 133a is provided on the swing rod 133, a boss (not shown) is provided on the crank 132, and the crank 132 drives the stirring member 131 to reciprocate relative to the rotating member 121 in the circumferential direction through the sliding connection between the boss and the sliding groove 133 a.
It is to be understood that the aforementioned first decelerating mechanism and accelerating mechanism are not limited to the belt driving mechanism shown in the drawings, but may be a chain driving mechanism, a gear decelerating mechanism, or the like.
In the embodiment of the present invention, the first motor 123a is disposed below the horizontal plate 33, both ends of the supporting shaft 123h are rotatably connected to the first vertical plate 31 and the second vertical plate 32 through bearings, respectively, and the first driven wheel 123d and the second driving wheel 123f are fixed to both ends of the supporting shaft 123h through, for example, but not limited to, a key groove fit manner, respectively. Thus, when the first motor 123a rotates, power is transmitted to the support shaft 123h through the first driving wheel 123b, the first transmission belt 123c, and the first driven wheel 123d after being decelerated, thereby driving the rotator 121 to rotate. Meanwhile, the supporting shaft 123h is fixedly connected with the second driving wheel 123f, and power is transmitted to the crank 132 of the stirring mechanism after the acceleration of the second driving wheel 123f, the second conveying belt 123e and the second driven wheel 123g, so that the stirring piece 131 is driven to rotate circumferentially relative to the rotating piece 121, the reaction cup C is enabled to rapidly enter the groove 122 of the rotating piece 121, and the efficiency of the feeding device 10 for outputting the reaction cup C from the outlet 112 is improved.
Further, in order to smoothly output the reaction cup C from the outlet 112 of the bin 11 without seizing, the outlet 112 is provided as a square groove, the width dimension W of which satisfies the formula (1):
b<W<2b (1)
where b is the maximum width dimension of the groove 122 along the circumference of the rotating member 121.
In addition, the loading apparatus 10 further includes a first sensor assembly for detecting whether the recess 122 of the rotating member 121 at a position spaced apart from the outlet 112 by a predetermined angle receives the cuvette C.
Referring to fig. 3 to 5, the first sensor assembly includes a first sensor 141 and a second sensor 142. The first sensor 141 and the second sensor 142 may be, for example, but not limited to, a photoelectric sensor, a laser sensor, or the like. For convenience of description, the embodiment of the invention is illustrated by taking a photoelectric sensor as an example.
The first sensor 141 is located at a position spaced apart from the outlet 112 by a predetermined angle and is disposed in correspondence with the axial direction of any one of the grooves 122 of the rotating member 121. Alternatively, the first sensor 141 may be an opposite emission sensor, including a first emitter 141a and a first receiver 141b, where the first emitter 141a is disposed at a position on the second vertical plate 32 corresponding to an axial direction of any one of the grooves 122, the first receiver 141b is disposed at a position on the first vertical plate 31 corresponding to an axial direction of any one of the grooves 122, and a through hole 113 is disposed at a position on the silo 11 corresponding to the first emitter 141a and the first receiver 141b, as shown in fig. 2, so that light can pass through the through hole 113 conveniently, thereby monitoring whether the light falls into the reaction cup C in the groove 122 corresponding to the through hole 113.
The reaction cup feeding device 10 further comprises a goniometer disk 15 coaxially arranged with the rotating member 121, wherein a plurality of scale grids are arranged on the goniometer disk 15 along the circumferential direction of the goniometer disk, the scale grids are in one-to-one correspondence with the grooves 122 of the rotating member 121, and the second sensor 142 is positioned on the circumferential side of the goniometer disk 15 and corresponds to the scale grids. Each time the dial 15 rotates by one scale, the second sensor 142 is triggered to send an electrical signal, so that it is determined that the rotating member 121 rotates by one groove 122, and the rotation angle of the rotating member 121 can be known.
Since the grooves 122 of the rotation member 121 receive the reaction cups C at random, the corresponding grooves 122 of the first sensor 141 are not necessarily capable of receiving the reaction cups C every time the rotation member 121 rotates to a position spaced apart from the outlet 112 by a predetermined angle. When the reaction cup C is received in the recess 122, the light between the first emitter 141a and the first receiver 141b is just blocked, so that the first sensor 141 is triggered to send an electrical signal, it is determined that the reaction cup C is received in the recess 122, and after the rotating member 121 continues to rotate by a predetermined angle, the reaction cup C is output from the outlet 112.
Therefore, according to the feeding device provided by the embodiment of the invention, by arranging the bin 11 and the rotating member 121 with the groove 122 in the bin 11, an operator only needs to randomly put the reaction cup C into the bin 11 from the opening 111, the rotating member 121 automatically tidies the placing direction of the reaction cup C and outputs the reaction cup C from the outlet 112, and the width dimensions of each groove 122 and the outlet 112 ensure that the reaction cup C cannot be blocked in the whole feeding process, so that the labor cost is saved, and the working efficiency is improved.
Referring to fig. 7 and 8 together, as an alternative embodiment, another feeding device 10 is provided according to an embodiment of the present invention, which is similar to the feeding device 10 shown in fig. 4, and is different in that the rotating member 121 in the feeding mechanism 12 rotates around the vertical central axis, and the bin 11, the stirring mechanism, etc. related to the placement direction of the rotating member 121 are also different.
The silo 11 has a cylindrical structure accommodating the rotating member 121, and the distance between the outer circumferential surface of the rotating member 121 and the silo 11 is smaller than the diameter size of the reaction cup C as shown in fig. 8, so as to prevent the reaction cup C from being caught in a place other than the recess 122 of the rotating member 121.
The feeding mechanism 12 further includes a second transmission mechanism rotatably connected to the rotating member 121. The second transmission mechanism includes: the first motor 123a, the reduction gear who is connected with the output shaft of first motor 123a, the output of reduction gear and rotation 121 coaxial setting. The deceleration mechanism may be, for example, a belt drive mechanism similar to that shown in fig. 1 to buffer the collision force between the cuvette C and the groove 122 during the loading process, so as to prevent the cuvette C from being damaged.
The feeding device 10 further comprises a stirring mechanism, wherein the stirring mechanism comprises a stirring piece 131, and the stirring piece 131 is positioned in the storage bin 11 and is coaxially arranged with the central shaft of the rotating piece 121 and is used for guiding the reaction cup C placed in the storage bin 11 from the opening 111 to move towards the groove 122 of the rotating piece 121.
Specifically, the stirring member 131 has a structure tapered from the bottom surface 131a toward the top surface, and the bottom surface 131a is disposed near the rotating member 121. When the rotation member 121 rotates with respect to the cartridge 11, the stirring member 131 rotates, so that the cuvette C introduced from one end of the opening 111 is guided into the recess 122 along the tapered surface. Since the rotating member 121 rotates about the vertical central axis, the cuvettes C outputted from the outlet 112 are outputted one by one in a vertical state.
In addition, the feeding device 10 of the automatic reaction cup loading device according to the embodiment of the present invention also includes a first sensor assembly for determining whether the recess 122 of the rotating member 121 at a position spaced apart from the outlet 112 by a predetermined angle receives one reaction cup C. For example, the first sensor assembly 14 includes a first sensor 141 and a second sensor 142, the first sensor 141 being located at a predetermined angle from the outlet 112 and being disposed in correspondence with the axial direction of any one of the grooves 122 of the rotating member 121. The angle measuring disc 15 is coaxially arranged with the rotating member 121 or the stirring member 131, the angle measuring disc 15 is provided with a plurality of scale grids along the circumferential direction thereof, the plurality of scale grids are in one-to-one correspondence with the plurality of grooves 122 of the rotating member 121, and the second sensor 142 is positioned at the circumferential side of the angle measuring disc 15 and is arranged corresponding to the scale grids. The working principle of the first sensor 141 and the second sensor 142 is similar to that of the feeding device 10 shown in fig. 1, and will not be described again.
Referring to fig. 9 and 10 together, the guide device 20 includes a moving member 21, wherein the moving member 21 is provided with a receiving groove 211 for receiving the cuvette C outputted from the outlet 112 of the storage bin 11, and the moving member 21 is movably arranged to drive the cuvette C from the initial position to the predetermined position.
Preferably, the reaction cup C is automatically adjusted to a vertical state by its own weight after being received by the receiving groove 211, and moves from an initial position to a predetermined position in the vertical state.
As shown in fig. 10, the receiving groove 211 may include a first groove 211a tapered from top to bottom and a second groove 211b located below the first groove 211a, and the reaction cup C includes a body C1 and a flange C2 located at an outer circumferential side of one end of the body C1, and a maximum width dimension of the first groove 211a is slightly larger than an outer diameter dimension of the flange C2 of the reaction cup C so as to receive the reaction cup C. The "slightly larger" means that the maximum width dimension of the first groove 211a is 1.1 to 1.3 times the outer diameter dimension of the flange C2 of the cuvette C. The width dimension of the second groove 211b is greater than the maximum outer diameter dimension of the body C1 of the cuvette C and less than the outer diameter dimension of the flange C2. If the feeding device 10 is in the structure shown in fig. 3, the reaction cup C output from the outlet 112 of the feeding device 10 enters the first groove 211a in a horizontal state, and then falls into the second groove 211b after being automatically adjusted to a vertical state by the gravity of the reaction cup C, and the second groove 211b is used for clamping the flange C2 of the reaction cup C.
In order to facilitate the machining of the tapered first and second grooves 211a and 211b, the receiving groove 211 portion of the moving member 21 may also be of a split design, as shown by the broken line in fig. 10.
It will be appreciated that if the loading device 10 is constructed as shown in fig. 8, the rotating member 121 rotates around the vertical central axis, and the cuvette C outputted from the outlet 112 is directly received by the receiving groove 211 in a vertical state. At this time, the receiving groove 211 may be provided as a second groove 211b having a width dimension greater than the maximum outer diameter dimension of the body C1 of the cuvette C and smaller than the outer diameter dimension of the flange C2.
It should be noted that, the reaction cup C may be received by the receiving groove 211 and then moved from the initial position to the predetermined position in a horizontal state, and at this time, the receiving groove 211 may be configured as a first groove 211a tapered from top to bottom, and the maximum width dimension of the first groove may be slightly larger than the outer diameter dimension of the flange C2 of the reaction cup C.
Therefore, the guiding device provided by the embodiment of the invention can automatically convey the received reaction cup C to the preset position by arranging the moving piece 21 with the receiving groove, and the reaction cup can not be blocked in the conveying process, so that the labor cost is saved, and the working efficiency is improved.
Referring to fig. 11, the guiding device 20 further includes a driving mechanism movably connected to the moving member 21, and the driving mechanism may be a linear motion mechanism to drive the moving member 21 to reciprocate between an initial position and a predetermined position.
Specifically, the linear motion mechanism includes a linear guide rail 221 and a slider 222 slidably connected to the linear guide rail 221. The sliding block 222 is fixedly arranged, for example, fixed on the horizontal plate 33 of the base 30, the linear guide 221 is fixedly connected with the moving member 21, and the linear guide 221 is driven by an actuator to drive the moving member 21 to reciprocate linearly between the initial position and the predetermined position.
The actuator comprises a second motor 223a, a third driving wheel 223b connected with an output shaft of the second motor 223a, and a third driven wheel 223d connected with the third driving wheel 223b through a third conveyor belt 223c, and the linear guide rail 221 is fixedly connected with the third conveyor belt 223 c.
Preferably, the third driving wheel 223b is equal in outer diameter size to the third driven wheel 223d, transmitting motion at a constant speed. Thus, when the second motor 223a rotates in the forward direction, the linear guide 221 is driven to move in a linear direction with respect to the slider 222 by the third driving wheel 223b, the third conveyor belt 223c, and the third driven wheel 223 d; when the second motor 223a rotates reversely, the linear guide 221 is driven to move linearly in the other direction with respect to the slider 222 by the third driving wheel 223b, the third conveyor belt 223c and the third driven wheel 223d, thereby driving the mover 21 to reciprocate between the initial position and the predetermined position. The belt transmission mechanism composed of the third driving wheel 223b, the third conveyor belt 223C and the third driven wheel 223d can buffer the collision force between the reaction cup C and the receiving groove 211 in the process of reciprocating between the initial position and the preset position, so as to avoid damaging the reaction cup C.
Referring to fig. 12 and 13 together, the guiding device 20 further includes a clamping device 23, where the clamping device 23 is configured to gradually clamp the reaction cup C in a vertical state during the process of moving the moving member 21 linearly from the initial position to the predetermined position, so as to ensure that the reaction cup C after each loading is stably positioned to the same predetermined position, and facilitate the removal of the reaction cup C by a mechanical arm or by a manual operation.
The clamping device 23 includes a guide 24 and a clamping mechanism fixedly connected to the moving member 21, and the guide 24 may be fixed to the horizontal plate 33 of the base 30 or integrally formed with the horizontal plate 33. The guide 24 is provided with a guide groove 241, and the clamping mechanism includes a rolling member 233 engaged with the guide groove 241, and the clamping device 23 gradually clamps the cuvette C by the rolling member 233 moving along the guide groove 241.
Specifically, the clamping mechanism includes movably connected claws 231, and the number of the claws 231 may be two or more. The claw 231 is provided with a through groove 231a, the through groove 231a is used for accommodating the reaction cup C, and the rolling piece 233 is arranged below the claw 231. The guide groove 241 is tapered in a direction from the initial position to the predetermined position, and the clamping mechanism adaptively adjusts the clamping force of the jaw 231 during the movement of the rolling member 233 along the guide groove 241.
Further, the clamping mechanism further includes an elastic device 232, and the elastic device 232 is disposed at two sides of the through slot 231 a. The clamping mechanism adaptively adjusts the clamping force of the jaws 231 by compressing or expanding the elastic means 232. Preferably, the elastic means 232 is a pair of springs located at both sides of the through slot 231 a.
The clamping mechanism further comprises a fixing frame 234 and a supporting shaft 235 arranged on the fixing frame 234, the clamping mechanism is fixedly connected with the moving piece 21 through the fixing frame 234, a through hole matched with the supporting shaft 235 is formed in the clamping jaw 231, a linear bearing 236 is arranged in the through hole, the supporting shaft 235 penetrates through the linear bearing 236, so that the clamping jaw 231 can move relative to the supporting shaft 235, and the elastic device 232 is gradually compressed through the clamping jaw 231 in the process that the rolling piece 233 moves along the guide groove 241, namely in the direction of an arrow D in FIG. 12, so that the clamping force of the clamping jaw 231 is increased to clamp the reaction cup C; alternatively, the elastic means 232 is gradually extended by the jaws 231 during the return of the rolling member 233 from the predetermined position to the initial position along the guide groove 241, thereby reducing the chucking force of the jaws 231 so as to receive the cuvette C.
In addition, since the moving member 21 has a certain length, in the process of the linear guide rail 221 driving the moving member 21 to perform linear motion relative to the sliding block 222, in order to prevent the non-uniform stress of the sliding block 222, the cuvette guide device 20 further includes a support bearing 26 rotatably connected to the clamping mechanism, as shown in fig. 11. The support bearing 26 may roll on the guide 24 or on the horizontal plate 33 of the base 30 to support the moving member 21 to reciprocate between the initial position and the predetermined position.
The guide 20 further includes a second sensor assembly for detecting whether the mover 21 receives the cuvette C and detecting whether the mover 21 reaches the initial position and the predetermined position.
Specifically, the second sensor assembly includes: a third sensor 251, a fourth sensor 252, and a fifth sensor 253. The third sensor 251, fourth sensor 252, and fifth sensor 253 may be, for example, but not limited to, a photoelectric sensor, a laser sensor, and the like. For convenience of description, the embodiment of the invention is illustrated by taking a photoelectric sensor as an example.
The fifth sensor 253 may be an correlation sensor including a fifth transmitter 253a and a fifth receiver 253b disposed opposite to each other, and the fifth transmitter 253a and the fifth receiver 253b may be located, for example, at positions opposite to each other below the receiving groove 211 of the mover 21 when in the initial position, for detecting whether the mover 21 receives the cuvette C when in the initial position. The fifth sensor 253 may be a non-correlation sensor, and may be located at another position on the horizontal plate 33 as long as it can detect whether the cuvette C is received when the movable member 21 is located at the initial position.
The third sensor 251 and the fourth sensor 252 are opposite and are arranged at intervals, a baffle 212 is further arranged on the moving member 21, the baffle 212 is positioned between the third sensor 251 and the fourth sensor 252, and when the third sensor 251 detects the baffle 212, the moving member 21 is positioned at an initial position to trigger the third sensor 251 to send an electric signal; at this time, if the moving member 21 receives the reaction cup C, the reaction cup C just shields the light between the fifth transmitter 253a and the fifth receiver 253b, so as to trigger the fifth sensor 253 to send an electrical signal, and the guiding device 20 drives the moving member 21 to move towards the predetermined position; when the fourth sensor 252 detects the blocking piece 212, the moving member 21 is located at a predetermined position, and triggers the fourth sensor 252 to send an electrical signal, and the mechanical arm or the operator is notified to take the reaction cup C from the predetermined position for the next process.
Therefore, in the guiding device provided by the embodiment of the invention, the receiving groove 211 is formed in the movable moving piece, so that the reaction cup C can be automatically conveyed to a preset position, the reaction cup C cannot be blocked in the conveying process, the labor cost is saved, and the working efficiency is improved.
Referring to fig. 14 and 15 together, the guiding device 20 according to the embodiment of the present invention is similar to the guiding device 20 shown in fig. 9, except that a driving mechanism movably connected to the moving member 21 in the guiding device 20 is a rotation mechanism, so as to drive the moving member 21 to perform reciprocating rotation between an initial position and a predetermined position.
The moving member 21 has a disc-shaped structure, the moving member 21 is provided with receiving grooves 211 distributed along the circumferential direction, and the shape and size of the receiving grooves 211 may be the same as those of the receiving grooves 211 in the guiding device 20 shown in fig. 9, i.e., the receiving grooves 211 include a first groove 211a and/or a second groove 211b tapered from top to bottom for receiving the reaction cup C output from the outlet 112 of the storage bin 11, which will not be described again.
The rotary motion mechanism comprises a second motor 223a and a second speed reduction mechanism connected with an output shaft of the second motor 223a, wherein an output end of the second speed reduction mechanism is rotatably connected with a central shaft of the moving part 21, and the moving part 21 is driven to rotate around the central shaft thereof through the speed reduction and torque increase effects of the second speed reduction mechanism, so that the reaction cup C is driven to reciprocate and rotate between an initial position and a preset position.
The second reduction mechanism may be a belt transmission mechanism, for example, including a driving wheel and a driven wheel connected with the driving wheel by a conveyor belt, wherein an output end of the driven wheel is coaxially connected with a central shaft of the moving member 21, an outer diameter of the driving wheel is smaller than an outer diameter of the driven wheel, and a ratio of the outer diameters of the driving wheel and the driven wheel is a reduction ratio.
In addition, similar to the structure of the clamping means of the guide 20 shown in fig. 9, the guide 20 according to the embodiment of the present invention further includes clamping means for gradually clamping the cuvette C during the rotational movement of the movable member 21 from the initial position to the predetermined position. The clamping device is similar in structure to the clamping device shown in fig. 9, except that the guide 24 is different in structure.
Specifically, as shown in fig. 15, since the moving member 21 drives the clamping mechanism to perform a rotational movement, the guide groove 241 is an arc-shaped groove and is tapered in a direction from the initial position to the predetermined position, the clamping mechanism includes a rolling member 233 engaged with the guide groove 241, and the clamping device gradually clamps the cuvette C by the movement of the rolling member 233 along the guide groove 241. I.e. in the direction of arrow E in fig. 15, to gradually clamp the cuvette C.
In addition, in order to prevent uneven stress of the moving member 21 during rotation of the moving member 21 around the central axis, the cuvette guide 20 further includes a support bearing 26 rotatably coupled to the clamping mechanism. The support bearing 26 rolls on the horizontal plate 33 of the base 30 to support the moving member 21 for reciprocal movement between the initial position and the predetermined position.
It should be noted that, the rotating movement mechanism drives the moving member 21 to rotate around the central axis, which occupies a smaller space compared with the guiding device 20 shown in fig. 9, a plurality of receiving slots 211 distributed along the circumferential direction may be disposed on the disc-shaped moving member 21, and a guiding slot 241 is correspondingly disposed below each receiving slot 211, so that a plurality of reaction cups C output from the outlet 112 of the feeding device 10 may be simultaneously received, thereby improving the working efficiency.
In addition, the guide 20 further includes a second sensor assembly for detecting whether the mover 21 receives the cuvette C and detecting whether the mover 21 reaches the initial position and the predetermined position. Specifically, the second sensor assembly includes: the third sensor 251, the fourth sensor 252 and the fifth sensor 253 are arranged in a similar manner to that of fig. 9, and the third sensor 251, the fourth sensor 252 and the fifth sensor 253 are not described again.
It can be appreciated that the two feeding devices 10 provided in the embodiment of the present invention may be combined with any one of the two guiding devices 20 to form different automatic loading devices for reaction cups, which is not described herein.
Referring to fig. 16, the embodiment of the invention further provides a reaction cup automatic loading method adopting any one of the reaction cup automatic loading devices, and the reaction cup automatic loading method comprises a first operation mode, wherein the first operation mode is an operation mode of any one of the reaction cup automatic loading devices under a normal working state. The first mode of operation includes:
step S1: detecting whether the rotating member 121 has a reaction cup C in the corresponding groove 122 at a position spaced apart from the outlet 112 of the cartridge 11 by a predetermined angle;
step S2: if yes, the rotating member 121 is driven to rotate by a predetermined angle, so that the cuvette C is output from the outlet 112 and received by the moving member 21;
step S3: the driving moving member 21 moves the cuvette C from the initial position to a predetermined position, so that the cuvette C is removed.
Referring to fig. 17, before step S1, that is, before detecting whether the rotating member 121 has the reaction cup C in the corresponding recess 122 at a predetermined angle from the outlet 112 of the bin 11, the first operation mode further includes:
step S10: detecting whether the movable member 21 receives the cuvette C;
step S101: if yes, the driving moving part 21 drives the reaction cup C to move from the initial position to the preset position, so that the reaction cup C is taken away;
step S102: detecting whether the rotating member 121 has a reaction cup C in the corresponding groove 122 at a position spaced apart from the outlet 112 of the cartridge 11 by a predetermined angle;
step S103: if yes, the driving rotation member 121 is stopped;
step S104: if not, the rotation member 121 is driven continuously.
Further, in step S10, detecting whether the mover 21 receives the cuvette C further includes:
step S105: if the movable member 21 does not receive the cuvette C, the movable member 21 is driven to move to the initial position.
It should be noted that, the execution sequence of the first operation mode of the automatic loading method for a reaction cup provided in the embodiment of the present invention is not limited to the step sequence described in the example, for example, step S101 and step S102 may be operated synchronously, and it is not necessary to wait for the moving member 21 to move to the initial position and then detect whether the reaction cup C is in the groove 122, or it is not necessary to wait for the moving member 21 to move to the initial position after the reaction cup C is in the groove 122, thereby reducing the waiting time, further improving the detection efficiency, and specifically, corresponding adjustment may be performed according to actual needs and not be repeated.
Referring to fig. 18, the automatic loading method for a reaction cup provided by the embodiment of the invention further includes a second operation mode, where the second operation mode is an operation mode adopted after any one of the foregoing automatic loading devices for a reaction cup fails such as abnormal power failure. The second mode of operation includes:
step S11: detecting whether the movable member 21 receives the cuvette C;
step S12: if yes, the driving moving part 21 drives the reaction cup C to move to a preset position, so that the reaction cup C is taken away;
step S13: if not, driving the moving member 21 to move to the initial position;
step S14: the driving rotation member 121 rotates by a predetermined angle;
step S15: again, it is checked whether the mover 21 receives the cuvette C.
If the moving member 21 is detected again and then the reaction cup C is determined to be received, the process returns to step S12, and if the moving member 21 is detected again and then the reaction cup C is determined not to be received, the process returns to the first operation mode and starts to perform normal operation.
According to the automatic loading method for the reaction cup, provided by the embodiment of the invention, under the first operation mode, the reaction cup C can be automatically output without manually arranging the placement direction of the reaction cup C in the storage bin 11, so that the labor cost is saved, and the detection efficiency is improved. In addition, the automatic loading method of the reaction cup adopts the second operation mode when abnormal power failure occurs, the material is not required to be cleaned manually, and the reaction cup can be operated after restarting, so that the labor cost is further saved, and the detection efficiency is improved.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (8)
1. A cuvette guide (20), characterized by comprising:
a moving member (21) provided with a receiving groove (211) for receiving the reaction cup (C), wherein the moving member (21) is movably arranged to drive the reaction cup (C) to move from an initial position to a preset position; and
the clamping device (23) is used for gradually clamping the reaction cup (C) along with the movement of the moving piece (21) from the initial position to the preset position, and the clamping device (23) comprises a guide piece (24) and a clamping mechanism fixedly connected with the moving piece (21);
the guide piece (24) is provided with a guide groove (241), the clamping mechanism comprises a rolling piece (233) matched with the guide groove (241), and the clamping device (23) gradually clamps the reaction cup (C) by moving the rolling piece (233) along the guide groove (241);
the clamping mechanism comprises a jaw (231) which can be movably connected, a through groove (231 a) for accommodating the reaction cup (C) is formed in the jaw (231), the guide groove (241) is gradually reduced from the initial position to the preset position, and the clamping force of the jaw (231) is adaptively adjusted in the process that the rolling piece (233) moves along the guide groove (241).
2. The cuvette guide device according to claim 1, wherein the receiving groove (211) comprises a first groove (211 a) and/or a second groove (211 b) tapered from top to bottom, the cuvette (C) comprises a body (C1) and a flange (C2) located at an outer peripheral side of one end of the body (C1), a maximum width dimension of the first groove (211 a) is slightly larger than an outer diameter dimension of the flange (C2) of the cuvette (C), and a width dimension of the second groove (211 b) is larger than a maximum outer diameter dimension of the body (C1) of the cuvette (C) and smaller than an outer diameter dimension of the flange (C2).
3. The cuvette guide according to claim 1, characterized in that the guide (20) further comprises a driving mechanism movably connected to the moving member (21), the driving mechanism being a linear motion mechanism for driving the moving member (21) to reciprocate between the initial position and the predetermined position;
or the driving mechanism is a rotary motion mechanism so as to drive the moving piece (21) to do reciprocating rotary motion between the initial position and the preset position.
4. The cuvette guide according to claim 1, characterized in that the rolling elements (233) are arranged below the jaws (231).
5. The cuvette guide according to claim 1, characterized in that the clamping mechanism further comprises elastic means (232), which elastic means (232) are arranged on both sides of the through slot (231 a);
the clamping mechanism adaptively adjusts the clamping force of the claw (231) by compressing or expanding the elastic device (232).
6. The cuvette guide according to claim 5, wherein the clamping mechanism further comprises a holder (234) and a support shaft (235) provided on the holder (234);
the clamping mechanism is fixedly connected with the moving piece (21) through the fixing frame (234);
the claw (231) is provided with a through hole matched with the supporting shaft (235), a linear bearing (236) is arranged in the through hole, and the supporting shaft (235) penetrates through the linear bearing (236) so that the claw (231) can move relative to the supporting shaft (235) to compress or stretch the elastic device (232).
7. Cuvette guide according to claim 1, characterized in that the cuvette guide (20) further comprises a support bearing (26) in rotational connection with the clamping mechanism, the support bearing (26) being adapted to support the movement of the movable member (21) back and forth between the initial position and the predetermined position.
8. Cuvette guide according to any one of claims 1 to 7, characterized in that the guide further comprises a second sensor assembly for detecting whether the moving member (21) receives the cuvette (C) and whether the moving member (21) reaches the initial position and the predetermined position.
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| CN201810904429.1A CN109100528B (en) | 2018-08-09 | 2018-08-09 | Reaction cup guiding device |
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| CN201810904429.1A CN109100528B (en) | 2018-08-09 | 2018-08-09 | Reaction cup guiding device |
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| CN109100528A CN109100528A (en) | 2018-12-28 |
| CN109100528B true CN109100528B (en) | 2024-02-20 |
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| CN108845156A (en) * | 2018-08-09 | 2018-11-20 | 迈克医疗电子有限公司 | Reaction cup feeding device |
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