CN104931713B - It is a kind of to drag sampling device for cellanalyzer - Google Patents
It is a kind of to drag sampling device for cellanalyzer Download PDFInfo
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- CN104931713B CN104931713B CN201510272772.5A CN201510272772A CN104931713B CN 104931713 B CN104931713 B CN 104931713B CN 201510272772 A CN201510272772 A CN 201510272772A CN 104931713 B CN104931713 B CN 104931713B
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- transmission belt
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Abstract
The present invention relates to medical sanitary apparatus technical field, more particularly to a kind of drag sampling device for cellanalyzer, including transmission device, guide rail, grabbing device and drag chain, the transmission device includes installing plate, motor, driving wheel, transmission belt, driven pulley and fixed plate, the installing plate side is provided with motor, motor connection has driving wheel, driving wheel to be connected with driven pulley by transmission belt, driven pulley is arranged in fixed plate, the transmission belt side is provided with guide rail, guide rails assembling has grabbing device, and guide rail side is provided with drag chain.Simple structure of the present invention, stroke and positional precision are high, there is enough rigidity, can bear larger dead load and dynamic loading; damping property is good, and surge protection performance is good, stable and reliable operation, reduces assembling complexity; it is easy to I＆ M, long service life is easily worked, low cost.
Description
Technical field
Filled the present invention relates to medical sanitary apparatus technical field, more particularly to a kind of sample that drags for cellanalyzer
Put.
Background technology
Cellanalyzer is one of hospital clinical inspection application instrument widely, swift and violent with computer technology
Development, blood cell analysis also turn to five points of groups from three points of groups, from two-dimensional space and then have turned to three dimensions, and modern blood is thin
Five sorting techniques of born of the same parents' analyzer are employed and current state-of-the-art flow cytometer identical technology, such as scattering light detection skill
Art, sheath Flow Technique, laser technology etc..
It is to drive synchronous pulley and Timing Belt to realize that rotation is dynamic by motor that blood analyser drags sampling device on existing market
Switch to linear motion, the grasping mechanism being fixed on Timing Belt moves reciprocatingly back and forth；Its linear movement guide mechanism is to pass through
Linear bearing is matching used with linear steering axle.In automaticity Medical Devices very high, the guiding of linear bearing
Precision has been difficult to meet the requirement being accurately positioned；The single direction stroke for dragging sampling device belt of blood analyser is reached on 700mm,
Narrow space, the axis of guide and length cause two problems of aspect：1, axis of guide rigidity deficiency causes the guiding accuracy to reduce.2, it is double
It is oriented to axle construction high to matching requirements, improves installation difficulty, and safeguard very troublesome.Linear bearing and linear slide rail
Famous professional production producer（NSK officials technology web sites）Also there is related advisory：" line slide rail precision is than linear bearing precision
Much higher, load is bigger, and stability is also stronger；Line slideway is wider than the applicable surface of linear bearing, and linear bearing is only applicable
In some preliminary working." in theory, guiding mechanism should possess certain performance, and (l) stroke and positional precision will (gaplesss high
Property);(2) there are enough rigidity;(3) larger dead load and dynamic loading can be born;(4) damping property is good;(5) surge protection
Can be good;(6) good airproof performance;(7) it is easy for installation.
Model machine structure another weak point of dragging on existing market is the protection to mobile cable, because moving parts is included
Motor, motor power and controlling cable need to be moved with grabbing device when dragging sample to move, and its cable distribution is messy, irregular
Rule, substantially reduces cable life.
In addition, in existing cellanalyzer, cuvette sample needs to convey cuvette sample to specific bit by dragging sampling device
Put and be sampled, realize full-automatic sample introduction sampled functions.In sample transfer process, the crawl dress in conveying transmission belt is fixed on
Needs are put to realize accurately and reliably capturing function；Due to narrow space, the stroke that grasping mechanism pumps in addition is more long,
Grabbing device on existing market is designed to considerably complicated, and positioning precision is low, and matching requirements are high, easily produces assembly problem and can
By sex chromosome mosaicism, and safeguard inconvenient, high cost.
Therefore, how protection how is carried out from suitable grasping mechanism and to cable as dragging sample in blood analyser
Device problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide a kind of simple structure, stroke and positional precision are high, there is enough rigidity, can bear
Larger dead load and dynamic loading, damping property is good, and surge protection performance is good, stable and reliable operation, reduces assembling complexity, just
In I＆ M, long service life is easily worked, and low cost drags sampling device for cellanalyzer.
To achieve these goals, the present invention uses following technical scheme：
A kind of sampling device that drags for cellanalyzer, including transmission device, guide rail, grabbing device and drag chain, it is described
Transmission device includes installing plate, motor, driving wheel, transmission belt, driven pulley and fixed plate, and the installing plate side is provided with electricity
Machine, motor connection has driving wheel, driving wheel to be connected with driven pulley by transmission belt, and driven pulley is arranged in fixed plate, the biography
Defeated band side is provided with guide rail, and guide rails assembling has grabbing device, and guide rail side is provided with drag chain.
Preferably, the grabbing device includes sliding block, fixed seat, bushing, crawl guide rod, helical pitch bar, bearing, eccentric pin
And disk, sliding block is provided with the guide rail, fixed seat is provided with sliding block, the fixed seat includes base plate, side plate and top board,
The base plate and top board positioned at the two ends of side plate, are provided with bushing respectively on the top board, crawl guide rod is equipped with bushing, grab
Take guide rod and be connected with helical pitch bar, bearing is installed in helical pitch bar, eccentric pin is installed in bearing, eccentric pin is arranged on
The eccentric part of disk, the circle centre position of disk is provided with rotating shaft, and rotating shaft one end is connected with motor.
Preferably, it is provided with the first optoelectronic switch on the top board.
Preferably, it is provided with the second optoelectronic switch on the base plate.
Preferably, it is provided with riveting pressing plate on the base plate.
Preferably, the riveting pressing plate is fixedly connected with transmission belt.
Preferably, the bushing is oil-free bushing.
Preferably, the helical pitch bar middle part offers strip helical pitch groove.
Preferably, the side plate side is provided with sensing chip.
It is highly preferred that the transmission belt is cog belt.
Compared with prior art, the sampling device that drags for cellanalyzer of the invention has the advantage that：（1）This hair
Grabbing device is arranged on linear guides by the bright sampling device that drags for blood analyser, and grabbing device is driven by transmission belt
Round linear motion is done, linear motion makes the precision that grabbing device is moved higher, and transfer position is more accurate, improves system
Positioning precision, and be easily installed and safeguard；
（2）The sampling device that drags for blood analyser of the invention has used drag chain, can be with grabbing device it is reciprocal
Traction and protective effect are played in motion to cable；
（3）Of the invention to drag sampling device simple structure for blood analyser, stroke and positional precision are high, there is enough
Rigidity, can bear larger dead load and dynamic loading, and damping property is good, and surge protection performance is good；
（4）It is of the invention to drag sampling device stable and reliable operation for blood analyser, assembling complexity is reduced, it is easy to dress
With and safeguard, long service life is easily worked, low cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described.It should be evident that drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is partial structural diagram of the invention；
Fig. 3 is grabbing device structural representation of the present invention；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the cross section structure diagram of Fig. 4；
Fig. 6 is the front view of Fig. 3.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of sampling device that drags for cellanalyzer, as shown in figures 1 to 6, including transmission device 1, guide rail 2, crawl dress
3 and drag chain 4 are put, the transmission device 1 includes installing plate 11, the first motor 12, driving wheel 13, transmission belt 14, the and of driven pulley 15
Fixed plate 16, the side of the installing plate 11 is provided with the first motor 12, and the first motor 12 is connected with driving wheel 13, driving wheel 13 and leads to
Cross transmission belt 14 and be connected with driven pulley 15, transmission belt 14 is cog belt, and driven pulley 15 is arranged in fixed plate 16, the transmission belt
14 sides are provided with guide rail 2, and guide rail 2 is provided with grabbing device 3, and the side of guide rail 2 is provided with drag chain 4, and the one end of the drag chain 4 is consolidated
It is scheduled on grabbing device, the other end is fixed on the fixed base plate of blood analyser, can be with the reciprocating motion of grabbing device 3
Traction and protective effect are played to cable.
The grabbing device 3 include sliding block 31, fixed seat 32, bushing 33, crawl guide rod 34, helical pitch bar 35, bearing 36, partially
Heart pin 37 and disk 38, sliding block 31 are arranged on guide rail 2, and fixed seat 32 is provided with sliding block 31, and the fixed seat 32 includes
Base plate 321, side plate 322 and top board 333, the base plate 321 and top board 333 are located at the two ends of side plate 322 respectively, with top board 333
Overall fixed seat 32 is formed, the side of the side plate 322 is provided with sensing chip 3221, and the top board 333 is provided with the first photoelectricity
Switch 3331, is provided with the second optoelectronic switch 3211 on the base plate 321, riveting pressing plate 3212 is provided with the base plate 321,
Riveting pressing plate 3212 is used to rivet transmission belt 14, is fixedly connected with transmission belt 14, and bushing 33, institute are provided with the top board 333
Bushing 33 is stated for oil-free bushing, crawl guide rod 34 is equipped with bushing 33, the coefficient of friction of oil-free bushing is low, and crawl guide rod 34 is past
Multiple motion is more smooth, and more durable, long service life, running fix precision is higher.Crawl guide rod 34 one end is connected with helical pitch
Bar 35, the middle part of the helical pitch bar 35 offers strip helical pitch groove 351, and the length of helical pitch groove 351 is 25-35mm, helical pitch bar 35
Bearing 36 is installed, the bearing 36 is to be provided with eccentric pin 37, cam pin in rolling bearing, bearing 36 in helical pitch groove 351
Nail 37 is arranged on the eccentric part of disk 38, and the circle centre position of disk 38 is provided with rotating shaft 381, and the one end of rotating shaft 381 is connected with the second electricity
Machine 39, second motor 39 is stepper motor, and the end of the second motor 39 is connected with drag chain 4.
During work, the first motor 12 provides mobile power, grabbing device 3 is done on guide rail 2 linearly by transmission belt 14
Back and forth movement, is accurately transported to each specified location by grasping mechanism 3, so that blood sample completes the work in each stage
Make, reach the effect of full-automatic sampling detection.
Grabbing device 3 when grabbing device moves to specified location, triggers sensing chip 3221 in moving process, makes first
Motor 12 stops operating, while trigger the second motor 39 starting, drives disk 38 to rotate, the eccentric pin on disk 38
37 drive crawl guide rod 34 to move up by helical pitch bar 35, and crawl guide rod 34 is moved upwards up to peak carries out sample crawl
When, triggering the first optoelectronic switch 3331 controls the second motor 39 to stop；Capture after the completion of the work of sample, grabbing device 3 is received
Enabling signal starts the second motor 39 and drives disk 38 to rotate, and crawl guide rod 34 runs to low level, minimum when running to
The second optoelectronic switch 3211 is triggered during position and sends signal in place, the second motor 39 is stopped, wait next working signal.
Grabbing device 3 is arranged on linear guides 2 by the sampling device that drags for blood analyser of the invention, by transmission
Band 14 drives grabbing device 3 to do round linear motion, and linear motion makes the precision that grabbing device 3 is moved higher, and transfer position is more
For accurate, the positioning precision of system has also obtained corresponding raising, and is easily installed and safeguards, invention also uses drag chain 4,
Traction and protective effect can be played to cable with the reciprocating motion of grabbing device 3.
Of the invention to drag sampling device simple structure for blood analyser, stroke and positional precision are high, there is enough firm
Property, larger dead load and dynamic loading can be born, damping property is good, and surge protection performance is good, stable and reliable operation, reduces assembling
Complexity, is easy to I＆ M, and long service life is easily worked, low cost.
Embodiments described above, does not constitute the restriction to the technical scheme protection domain.It is any in above-mentioned implementation
Modification, equivalent and improvement made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (2)
1. it is a kind of to drag sampling device for cellanalyzer, it is characterised in that including transmission device, guide rail, grabbing device and
Drag chain, the transmission device includes installing plate, motor, driving wheel, transmission belt, driven pulley and fixed plate, the installing plate side
Motor is provided with, motor connection has driving wheel, driving wheel to be connected with driven pulley by transmission belt, and driven pulley is arranged on fixed plate
On, the transmission belt side is provided with guide rail, and guide rails assembling has grabbing device, and guide rail side is provided with drag chain, the drag chain one
End is fixed on grabbing device；The grabbing device includes sliding block, fixed seat, bushing, crawl guide rod, helical pitch bar, bearing, bias
Pin and disk, are provided with sliding block on the guide rail, be provided with fixed seat on sliding block, the fixed seat include base plate, side plate and
Top board, the base plate and top board positioned at the two ends of side plate, are provided with bushing respectively on the top board, crawl is equipped with bushing and is led
Bar, crawl guide rod is connected with helical pitch bar, and bearing is provided with helical pitch bar, and eccentric pin, eccentric pin are provided with bearing
The eccentric part of disk is arranged on, the circle centre position of disk is provided with rotating shaft, and rotating shaft one end is connected with motor；It is provided with the top board
First optoelectronic switch；The second optoelectronic switch is provided with the base plate；The side plate side is provided with sensing chip；The helical pitch bar
Middle part offers strip helical pitch groove；The bushing is oil-free bushing；Riveting pressing plate is provided with the base plate；The riveting pressing plate
It is fixedly connected with transmission belt.
2. it is according to claim 1 to drag sampling device for cellanalyzer, it is characterised in that the transmission belt is tooth
Shape band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272772.5A CN104931713B (en) | 2015-05-26 | 2015-05-26 | It is a kind of to drag sampling device for cellanalyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272772.5A CN104931713B (en) | 2015-05-26 | 2015-05-26 | It is a kind of to drag sampling device for cellanalyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931713A CN104931713A (en) | 2015-09-23 |
| CN104931713B true CN104931713B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510272772.5A Active CN104931713B (en) | 2015-05-26 | 2015-05-26 | It is a kind of to drag sampling device for cellanalyzer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110141261A (en) * | 2019-05-15 | 2019-08-20 | 深圳市洪诚嘉汇科技有限公司 | Digital subtraction angiography die body |
| CN111721202A (en) * | 2020-06-18 | 2020-09-29 | 博众精工科技股份有限公司 | Mechanism for positioning carrier position |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5638170A (en) * | 1994-06-07 | 1997-06-10 | Hudson Control Group, Inc. | Punched carrier specimen sample processor |
| EP0918221B1 (en) * | 1997-11-19 | 2006-09-06 | Grifols, S.A. | Apparatus for performing laboratory tests automatically |
| CN101673699B (en) * | 2009-09-03 | 2011-05-11 | 东莞宏威数码机械有限公司 | Carrying platform of substrate box |
| CN102221624B (en) * | 2010-04-14 | 2014-02-12 | 深圳迈瑞生物医疗电子股份有限公司 | Sample rack delivery system and biochemical analyzer |
| CN202119779U (en) * | 2011-05-24 | 2012-01-18 | 长春迪瑞医疗科技股份有限公司 | Automatic reagent sample dripping system of urine analyzer |
| CN103472244B (en) * | 2012-06-06 | 2016-08-03 | 北京普源精仪科技有限责任公司 | A kind of automatic sampler |
| CN202735359U (en) * | 2012-06-28 | 2013-02-13 | 深圳市新产业生物医学工程股份有限公司 | Sample pushing device of inspection equipment for field of chemiluminescence |
| CN102849495B (en) * | 2012-09-23 | 2015-02-18 | 南通烟滤嘴有限责任公司 | Star wheel bobbin rotary disc |
| CN203426670U (en) * | 2013-08-23 | 2014-02-12 | 安徽吉斯通自动化装备有限公司 | Automatic sleeve change mechanism |
| CN104569451B (en) * | 2013-10-15 | 2017-02-01 | 深圳迈瑞生物医疗电子股份有限公司 | Sample rack transporting and distributing device and sample rack transporting and distributing method |
| CN204165985U (en) * | 2014-04-01 | 2015-02-18 | 重庆科斯迈生物科技有限公司 | Chemical illumination immunity analysis instrument test tube rack puts in place stop and tripper |
| CN204666644U (en) * | 2015-05-26 | 2015-09-23 | 中山市创艺生化工程有限公司 | A kind ofly drag sampling device for cellanalyzer |
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