CN208420660U - A kind of specimen rotating holder component of near-infrared spectrometers - Google Patents
A kind of specimen rotating holder component of near-infrared spectrometers Download PDFInfo
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- CN208420660U CN208420660U CN201820729385.9U CN201820729385U CN208420660U CN 208420660 U CN208420660 U CN 208420660U CN 201820729385 U CN201820729385 U CN 201820729385U CN 208420660 U CN208420660 U CN 208420660U
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Abstract
The utility model relates to a kind of specimen rotating holder components of near-infrared spectrometers, including specimen rotating holder and specimen cup；The specimen rotating holder includes fixed bottom plate, setting-out cylinder, bearing, stepper motor, the fixed bottom plate is equipped with a through-hole, the bearing is located above fixed bottom plate by the way that bearing (setting) plate is fixed, the setting-out cylinder is inserted into the bearing inner race and is interference fitted with the bearing, and setting-out cylinder lower part passes through the through-hole, the setting-out cylinder body outer wall is arranged with rotation gear, the stepper motor is fixed to be located at the fixed bottom base plate, and drives the rotary teeth wheel rotation by driving driving wheel；The specimen cup inner bottom surface is equipped with several annular grooves concentric with the specimen cup, and successively arranges between the groove.The utility model can guarantee sample stablize rotation and eliminate because granulated solid sample distribution it is uneven caused by measurement light signal fed back unstable quality the problem of, guarantee instrument analysis accuracy.
Description
Technical field
The utility model belongs to near-infrared spectrometers technical field more particularly to a kind of near-infrared spectrometers
Specimen rotating holder component.
Background technique
Infrared (NIR) spectrum detection technique is to develop a kind of more rapid high-new analysis and testing technology in recent years, with biography
System analytical technology is compared, and near infrared spectrometer has that non-destructive testing, analysis efficiency are high, analysis speed is fast, analysis cost is low, reappear
Property the unique advantages such as good.
Near-infrared spectrum analysis is broadly divided into several types such as optical filter type, grating dispersion type, interferometers.
Wherein filter type near infrared spectrometer is to debug out directional light using warm light source, is then examined in sample cell to sample
It surveys, therefore the performance of rotational structure has directly influenced the accurate of the sample detection of entire instrument pair in sample cell.
A kind of patent notes of Patent No. " CN201721195059.6 " the rotation sample of near-infrared spectrometers
Device, including shell, the upper surface of the shell are equipped with through-hole, are rotatably connected to placing tube in the through-hole, the through-hole
Side is equipped with sliding slot, is equipped with sliding block at the position of the corresponding sliding slot in placing tube side, and the sliding block is slidably connected with sliding slot,
The placing tube side is equipped with driven wheel at the position of upper surface, and the driven wheel engagement is connected with driving wheel, the master
The lower surface of driving wheel is connected with servo motor, and one end of the placing tube upper surface is equipped with hinge, the near-infrared spectrometers
Rotation sampling device it is structurally reasonable, practicability is stronger, driven by servo motor placing tube carry out uniform rotation, pass through cunning
The case where block, sliding slot and pedestal enhance stability when device rotation, are facilitated when observing sample rotation by observation window, leads to
It crosses foot pad and facilitates the placement device, it is easy to use, it is suitable for promoting the use of.But the placing tube of the device when rotated with shell
Body is easy to happen friction, causes mechanical wear；A kind of near-infrared of the patent notes of Patent No. " CN201721195059.6 "
The rotation sampling device of spectroanalysis instrument, including shell, the top plate of shell are provided with through-hole, support are provided with immediately below through-hole
Lid, Supporting cover are connect with top plate by bearing, are hyalomere among Supporting cover；It further include motor, driving wheel, the side of driving wheel
It is bonded with the side of Supporting cover, wherein motor drives driving wheel rotation, and driving wheel drives Supporting cover rotation, and Supporting cover is used to support
Contain the container of sample.But the device is realized by being uniformly arranged several bearings reduces friction when Supporting cover rotates, but
Be to need to process groove in Supporting cover side wall, increase difficulty of processing, and number of bearings is very few or bearing between interval it is uneven,
Be easy to cause Supporting cover occur during rotation shake, it is unstable, this adds increased production cost, simultaneous processing precision
It is required that improving, processing efficiency decline is caused.In addition, rotation sampling device is when rotated, specimen cup is due to by centrifugal force, institute
The trend to peripolesis can be faced with sample in specimen cup, so that sample distribution is uneven when test, causes test error.
Therefore, these problems are based on, providing one kind can guarantee that sample is stablized rotation and eliminated because of granulated solid sample
The problem of being unevenly distributed caused measurement light signal fed back unstable quality guarantees the near-infrared of the accuracy of instrument analysis
The specimen rotating holder component of spectroanalysis instrument, has important practical significance.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind can guarantee sample stablize rotation and
Eliminate because granulated solid sample distribution it is uneven caused by measurement light signal fed back unstable quality the problem of, guarantee instrument
The specimen rotating holder component of the near-infrared spectrometers of the accuracy of analysis.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of specimen rotating holder component of near-infrared spectrometers, including specimen rotating holder and specimen cup；
The specimen rotating holder includes fixed bottom plate, setting-out cylinder, bearing, stepper motor, and the fixed bottom plate is equipped with
One through-hole, the bearing are located above fixed bottom plate by the way that bearing (setting) plate is fixed, and the setting-out cylinder is inserted into the bearing
It encloses and is interference fitted with the bearing, and setting-out cylinder lower part passes through the through-hole, the setting-out cylinder body outer wall is arranged with
Gear is rotated, the stepper motor is fixed to be located at the fixed bottom base plate, and drives the rotary teeth by driving driving wheel
Wheel rotation；
The specimen cup inner bottom surface be equipped with several annular grooves concentric with the specimen cup, and between the groove according to
Secondary arrangement, the groove size are consistent.
Further, the setting-out cylinder inboard wall is equipped with several specimen cup fixed modules, specimen cup fixed module edge
The setting-out cylinder inboard wall is uniformly distributed.
Further, the specimen cup fixed module includes arc panel and fixed spring, and the fixed spring at least three,
Described fixed spring one end is fixedly connected with the arc panel, and the other end is fixedly connected with the setting-out cylinder.
Further, the fixed spring in the specimen cup fixed module is vertically arranged along the setting-out cylinder inboard wall.
Further, the groove section shape is rectangle.
Further, the groove section shape is right angled triangle, and inclined-plane is tilted to specimen cup surrounding position.
Further, the fixed bottom base plate is equipped with fixed bracket, the fixed bracket and near-infrared spectrometers
Matching.
Further, the arc panel material is rubber, and if the face that is contacted with specimen cup of arc panel equipped with dry friction
Grain.
The advantages and positive effects of the utility model are as follows:
1, setting-out cylinder is inserted into bearing inner race and is interference fitted with bearing by the utility model, is driven and is led by stepper motor
Driving wheel drives the rotation of rotary teeth wheel, so that setting-out cylinder rotates, on the basis of guaranteeing setting-out cylinder rotational stabilization, more
The good friction avoided between setting-out cylinder and fixed bottom plate；
2, solid sample can be dispersed therein, keep away by the annular groove that the utility model specimen cup inner bottom surface is equipped with
Exempting from specimen cup, sample is eliminated under the action of the centrifugal force to serious diffusion around because granulated solid sample distribution is uneven when rotated
The problem of even caused measurement light signal fed back unstable quality, guarantee the accuracy of instrument analysis.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the main view of the specimen rotating holder component of near-infrared spectrometers provided by the embodiment of the utility model；
Fig. 2 is the top view of specimen rotating holder；
Fig. 3 is the top view of specimen cup；
Fig. 4 be in Fig. 3 A-A to one of sectional view；
Fig. 5 is another kind of the A-A into sectional view in Fig. 3；
In figure:
1, specimen rotating holder 2, specimen cup 3, fixed bottom plate
4, setting-out cylinder 5, bearing 6, stepper motor
7, bearing (setting) plate 8, rotation gear 9, driving wheel
10, groove 11, specimen cup fixed module 12, arc panel
13, fixed spring 14, fixed bracket
Specific embodiment
Firstly, it is necessary to which explanation, illustrates the specific structure, feature of the utility model for by way of example below
With advantage etc., however what all descriptions were intended merely to be illustrated, and should not be construed as forming the utility model and appoint
What is limited.In addition, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown
Or implicit any single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into
Row any combination is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein.
In addition, same or like technical characteristic may be indicated only at one in the same figure for the sake of simplifying drawing.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The utility model just is illustrated in conjunction with Fig. 1 to Fig. 5 below.
Fig. 1 is the main view of the specimen rotating holder component of near-infrared spectrometers provided by the embodiment of the utility model；
Fig. 2 is the top view of specimen rotating holder；Fig. 3 is the top view of specimen cup；Fig. 4 be in Fig. 3 A-A to one of sectional view；Fig. 5
For another kind of the A-A in Fig. 3 into sectional view；As shown in Fig. 1~5, a kind of near-infrared spectrometers provided in this embodiment
Specimen rotating holder component, including specimen rotating holder 1 and specimen cup 2；
The specimen rotating holder 1 includes fixed bottom plate 3, setting-out cylinder 4, bearing 5, stepper motor 6, the fixed bottom plate 3
It is equipped with a through-hole, the bearing 5 is located at fixed 3 top of bottom plate by the way that bearing (setting) plate 7 is fixed, and the setting-out cylinder 4 is inserted into
5 inner ring of bearing is simultaneously interference fitted with the bearing 5, and 4 lower part of setting-out cylinder passes through the through-hole, the setting-out cylinder
4 outer wall of body is arranged with rotation gear 8, and the stepper motor 6 is fixed to be located at 3 bottom of fixed bottom plate, and actively by driving
Wheel 9 drives the rotation gear 8 to rotate；
2 inner bottom surface of specimen cup is equipped with several annular grooves 10 concentric with the specimen cup 2, and the groove 10
Between successively arrange, 10 size of groove is consistent.
Setting-out cylinder is inserted into bearing inner race and is interference fitted with bearing by the utility model, is driven actively by stepper motor
Wheel drives the rotation of rotary teeth wheel, so that setting-out cylinder rotates, on the basis of guaranteeing setting-out cylinder rotational stabilization, more preferably
The friction avoided between setting-out cylinder and fixed bottom plate；In addition, the annular groove that specimen cup inner bottom surface is equipped with, can incite somebody to action
Solid sample is dispersed therein, avoid specimen cup when rotated sample under the action of the centrifugal force to serious diffusion around, eliminate because
The problem of granulated solid sample distribution uneven caused measurement light signal fed back unstable quality, guarantee instrument analysis
Accuracy.
For further, it can also consider in the present invention, 4 inner wall of setting-out cylinder is equipped with several specimen cups
Fixed module 11, the specimen cup fixed module 11 are uniformly distributed along 4 inner wall of setting-out cylinder.
It should be pointed out that the specimen cup fixed module 11 includes arc panel 12 and fixed spring 13, the fixed bullet
Spring 13 at least three, described 13 one end of fixed spring is fixedly connected with the arc panel 12, and the other end and the setting-out cylinder 4 are solid
Fixed connection.
It should be pointed out that the fixed spring 13 in the specimen cup fixed module 11 is perpendicular along 4 inner wall of setting-out cylinder
In line column.
The presence of specimen cup fixed module can not only play fixed effect to specimen cup, and can be applicable in multiple and different
The specimen cup of diameter, so that can select suitable specimen cup when the sample to different quality detects, avoid because of sample size
Measurement error caused by being mismatched with specimen cup.
For further, it can also consider in the present invention, 10 cross sectional shape of groove is rectangle, such as Fig. 4
It is shown.
For further, it can also consider in the present invention, 10 cross sectional shape of groove is right angled triangle,
And inclined-plane is tilted to the 2 surrounding position of specimen cup, as shown in figure 5, the incline structure can make specimen cup when rotating at high speed,
It is mobile to specimen cup periphery under the action of the centrifugal force to avoid sample.
It should be pointed out that fixed 3 bottom of bottom plate is equipped with fixed bracket 14, the fixed bracket 14 and near infrared light
The matching of spectrum analysis instrument.
For further, it can also consider in the present invention, 12 material of arc panel is rubber, and arc panel
If 12 faces contacted with specimen cup 2 are equipped with dry friction grain, friction grain can increase the friction between arc panel 12 and specimen cup 2
Power avoids that relative displacement occurs between arc panel 12 and specimen cup 2 when rotation.
For the ease of the installation of the specimen rotating holder component of the near-infrared spectrometers, the support bracket fastened specific shape of structure
Shape is designed according to the specific size structure of near infrared spectrometer；And it should be noted that make to measure light source and enter setting-out cylinder
Transparent material can be used in the bottom of body, setting-out cylinder.
As an example, in the present invention, when being measured to sample, sample is evenly spread in specimen cup
In groove, specimen cup is put into setting-out cylinder, specimen cup is fixed using specimen cup fixed module, then passes through stepper motor
Driving wheel is driven to drive the rotation of rotary teeth wheel, to drive setting-out barrel body rotation, so that specimen cup rotates, light source is by putting
The transparent material of sample cylinder body bottom can be irradiated to sample, complete sample measurement.
In conclusion the utility model, which can provide one kind, can guarantee that sample is stablized rotation and eliminated because of granulated solid sample
Product are unevenly distributed the problem of caused measurement light signal fed back unstable quality, guarantee the close red of the accuracy of instrument analysis
The specimen rotating holder component of external spectrum analyzer.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of specimen rotating holder component of near-infrared spectrometers, it is characterised in that: including specimen rotating holder and specimen cup；
The specimen rotating holder includes fixed bottom plate, setting-out cylinder, bearing, stepper motor, and it is logical that the fixed bottom plate is equipped with one
Hole, the bearing are located above fixed bottom plate by the way that bearing (setting) plate is fixed, and the setting-out cylinder is inserted into the bearing inner race simultaneously
It is interference fitted with the bearing, and setting-out cylinder lower part passes through the through-hole, the setting-out cylinder body outer wall is arranged with rotation
Gear, the stepper motor is fixed to be located at the fixed bottom base plate, and drives the rotary teeth rotation by driving driving wheel
It is dynamic；
The specimen cup inner bottom surface is equipped with several annular grooves concentric with the specimen cup, and successively arranges between the groove
Cloth, the groove size are consistent.
2. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 1, it is characterised in that: described
Setting-out cylinder inboard wall is equipped with several specimen cup fixed modules, and the specimen cup fixed module uniformly divides along the setting-out cylinder inboard wall
Cloth.
3. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 2, it is characterised in that: described
Specimen cup fixed module includes arc panel and fixed spring, and the fixed spring at least three, described fixed spring one end and institute
It states arc panel to be fixedly connected, the other end is fixedly connected with the setting-out cylinder.
4. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 3, it is characterised in that: described
Fixed spring in specimen cup fixed module is vertically arranged along the setting-out cylinder inboard wall.
5. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 1-4, feature
Be: the groove section shape is rectangle.
6. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 1-4, feature
Be: the groove section shape is right angled triangle, and inclined-plane is tilted to specimen cup surrounding position.
7. a kind of specimen rotating holder component of near-infrared spectrometers according to claim 1, it is characterised in that: described
Fixed bottom base plate is equipped with fixed bracket, and the fixed bracket is matched with near-infrared spectrometers.
8. according to a kind of described in any item specimen rotating holder components of near-infrared spectrometers of claim 3-4, feature
Be: the arc panel material is rubber, and if the face that is contacted with specimen cup of arc panel equipped with dry friction grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729385.9U CN208420660U (en) | 2018-05-16 | 2018-05-16 | A kind of specimen rotating holder component of near-infrared spectrometers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729385.9U CN208420660U (en) | 2018-05-16 | 2018-05-16 | A kind of specimen rotating holder component of near-infrared spectrometers |
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| CN208420660U true CN208420660U (en) | 2019-01-22 |
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| CN201820729385.9U Active CN208420660U (en) | 2018-05-16 | 2018-05-16 | A kind of specimen rotating holder component of near-infrared spectrometers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208212A (en) * | 2019-07-04 | 2019-09-06 | 中南林业科技大学 | A kind of comprehensive non-destructive testing device of near infrared spectrum and control method |
| CN110632022A (en) * | 2019-10-21 | 2019-12-31 | 深圳市英柏检测技术有限公司 | Sample platform is carried to rotation type |
| CN113188720A (en) * | 2021-03-19 | 2021-07-30 | 南京环科试验设备有限公司 | Sample rotating table for rain test box and use method thereof |
-
2018
- 2018-05-16 CN CN201820729385.9U patent/CN208420660U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208212A (en) * | 2019-07-04 | 2019-09-06 | 中南林业科技大学 | A kind of comprehensive non-destructive testing device of near infrared spectrum and control method |
| CN110208212B (en) * | 2019-07-04 | 2021-06-18 | 中南林业科技大学 | Near infrared spectrum omnibearing nondestructive detection device and control method |
| CN110632022A (en) * | 2019-10-21 | 2019-12-31 | 深圳市英柏检测技术有限公司 | Sample platform is carried to rotation type |
| CN113188720A (en) * | 2021-03-19 | 2021-07-30 | 南京环科试验设备有限公司 | Sample rotating table for rain test box and use method thereof |
| CN113188720B (en) * | 2021-03-19 | 2024-04-23 | 南京环科试验设备有限公司 | Sample rotating table for rain test box and use method thereof |
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