CN211086080U - Feeding device of portable near-infrared grain analyzer - Google Patents
Feeding device of portable near-infrared grain analyzer Download PDFInfo
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- CN211086080U CN211086080U CN201921955026.6U CN201921955026U CN211086080U CN 211086080 U CN211086080 U CN 211086080U CN 201921955026 U CN201921955026 U CN 201921955026U CN 211086080 U CN211086080 U CN 211086080U
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Abstract
The utility model discloses a feeding device of a portable near-infrared grain analyzer, which comprises a supporting plate, an impeller, blades, an impeller shaft, an impeller bin, a detection bin, a funnel, a motor and a discharging drawer; the impeller bin is arranged on the supporting plate, the impeller is arranged in the middle of the impeller bin, blades are uniformly arranged around the impeller, the impeller shaft is fixed with the impeller, and the motor drives the impeller to rotate through the impeller shaft; the hopper and the detection bin are integrated and arranged above the impeller bin; the supporting plate is provided with a discharge opening in the area of the impeller bin, and a discharge drawer is arranged right below the discharge opening. The utility model discloses can realize not blocking the material and can carry out automatic gradation to the grain granule of various not equidimensions, shape and measure, realize grain detector's miniaturization and lightweight.
Description
Technical Field
The utility model relates to a near infrared spectrum analyzer, in particular to portable near infrared grain analysis appearance's feed arrangement.
Background
The Near Infrared (NIR) spectrum detection technology is a high and new analysis and test technology which is developed rapidly in recent years, and compared with the traditional analysis technology, the near infrared spectrum analyzer has the unique advantages of nondestructive detection, high analysis efficiency, high analysis speed, low analysis cost, good reproducibility and the like.
Near-infrared analysis mainly utilizes the absorption characteristic of a detected object to fixed-wavelength near-infrared light to analyze the content of various substances, and simultaneously, due to the characteristics of high detection speed and no damage to samples, a production field also becomes a place where near-infrared products often appear. At present, when grain crops such as wheat, rice, soybean and the like are sold, the price is set mainly according to the content of internal nutrient components, and the main data source mode is still to sample and send the grain crops to a laboratory for chemical inspection, so that the efficiency is low, and the period is long.
In recent years, the near infrared technology is widely applied in the civil field, the rapid nondestructive detection of detection is realized, but more use environments are in factories or laboratory detection rooms, and the near infrared technology is inconvenient to use in grain purchasing sites due to large volume and heavy weight. And its main volume and weight are occupied by the automatic feeding device except for parts such as an optical circuit.
Therefore, the feeding device which is small in size, light in weight and suitable for the near-infrared instruments of various grain crops has important research value.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's shortcoming and not enough, provide portable near-infrared grain analyzer's feed arrangement, the device is small, and the suitability is strong, has the test instrument feed structure from the clearance function simultaneously, can realize not blocking the material and can carry out automatic gradation to the grain granule of various not equidimensions, shape and measure, realize grain detector's miniaturization and lightweight.
The purpose of the utility model is realized through the following technical scheme:
the feeding device of the portable near-infrared grain analyzer comprises a supporting plate, an impeller, blades, an impeller shaft, an impeller bin, a detection bin, a funnel, a motor and a discharging drawer; the impeller bin is arranged on the supporting plate, the impeller is arranged in the middle of the impeller bin, blades are uniformly arranged around the impeller, the impeller shaft is fixed with the impeller, and the motor drives the impeller to rotate through the impeller shaft; the hopper and the detection bin are integrated and arranged above the impeller bin; the supporting plate is provided with a discharge opening in the area of the impeller bin, and a discharge drawer is arranged right below the discharge opening.
The funnel is positioned above and is mainly used for loading a sample to be detected; the detection bin is positioned under the funnel, and the sample detection light path passes through the sample through the detection windows on two sides of the detection bin to realize detection; the impeller and the impeller bin are arranged below the feeding device and are also the main part of the feeding device, and the feeding device is used for controlling the batch blanking of the sample so as to control the batch detection of the sample in the detection bin; the discharging drawer is located at the lowest part of the whole structure and used for collecting samples after detection, and recovery is facilitated.
More than one U-shaped clamping groove is formed in the impeller and used for placing blades; the length and the width of the middle section of the blade are respectively equal to the length and the depth of the U-shaped clamping groove, and the width of the middle section of the blade is smaller than the width of the two ends of the blade. Because the length and the width of the middle section of the blade are respectively equal to the length and the depth of the U-shaped clamping groove, the middle section of the blade is just matched with the U-shaped clamping groove during installation; simultaneously, the width of the middle section of the blade is smaller than the width of the two ends of the blade, so that after the middle section of the blade is installed on the U-shaped clamping groove, the two ends of the blade are clamped on the outer surface of the impeller, and the limiting effect is achieved.
Among the feed arrangement, the impeller adopts the die sinking injection moulding processing, designs for the U-shaped draw-in groove, can reduce half the installation quantity of blade, and 1 blade can be installed for 2, reduces the installation complexity.
And a limiting piece is arranged in the U-shaped clamping groove, and a limiting opening is arranged at the corresponding position of the blade. The design of the limiting sheet and the limiting opening further strengthens the limiting effect between the blade and the impeller.
The limiting sheet is a positioning bulge, and the limiting opening is a U-shaped positioning groove. The U-shaped positioning groove is formed above the blade and used for positioning the blade and the impeller, so that installation accuracy is guaranteed, and direction installation errors can be prevented. The bottom of the blade mounting groove is provided with a positioning bulge which is matched with the U-shaped groove of the blade and used for positioning the position of the blade.
The blades and the impeller are detachably mounted, and the detachable mounting can be realized through screws; in addition to being removably mounted, the blades may be integrally formed with the impeller.
The blade is made of TPU materials. The blade made of the TPU material can provide good wear resistance and deformation resistance, and can ensure that the blade cannot cause serious wear and deformation after being used for a long time, thereby ensuring the sealing property. The blade may also be made of other soft materials, only the preference of TPU material being listed here.
The number of the blades is set to be an even number, and different numbers can be set according to different granularities. The particles with smaller size (such as millet and rapeseed) can be arranged into 12-16 teeth, so that the accurate control of the throughput of the sample is realized; larger particles (such as corn and soybean) can be set to have 8 teeth to 6 teeth, so that the non-repeated measurement of the sample is ensured, and the sampling representativeness is ensured.
The feeding device of the portable near-infrared grain analyzer further comprises a Hall sensor, and magnets are mounted at the bottom of the impeller corresponding to the blades. The Hall sensor and the magnet are used for determining the rotating position of the bottom Hall sensor at each time, so that the matching of the rotating angle and the number of the blades at each time is ensured, and the equalization of blanking at each time is ensured. At the moment, the motor adopts a common motor, the purpose of knowing the rotation angle of the impeller at each time can be well realized, and the space occupied by the impeller is effectively utilized. The direct-current speed reduction motor and the Hall sensor are used for positioning according to the design of the magnet at the bottom of the impeller, and the device is mainly suitable for an impeller structure with large torque and large radius and is suitable for measuring large-particle samples. At the moment, the motor is a direct current speed reducing motor.
The motor scheme can also be used for installing different motors according to different requirements: for example, the optional step motor that uses of motor through step number control turned angle to realize that the sample detects many times, the impeller structure of the little moment of torsion of mainly applicable minor radius adopts step motor can directly know the angle of rotation of impeller every time simultaneously.
The width of the discharge opening below the impeller is consistent with the width of a lower area of the step of the impeller bin, so that the impeller can sweep out a sample and residual dust together after sweeping the impeller bin, and a certain self-cleaning function is realized.
The impeller shaft is positioned in the middle of the impeller and is a machining part. Because of the impeller is the material of moulding plastics, therefore pivot position intensity is not enough, and through flange mounting mode and impeller installation outside the impeller shaft provides the shaft coupling installation function, guarantee installation intensity and installation accuracy, make the impeller more convenient the dismantlement simultaneously.
The impeller chamber in the device is directly matched with the supporting plate to form a sealed space for conveying samples. The supporting plate is used for installing optical path related parts and electrical parts to realize the detection function of the instrument.
The bottom of the impeller bin is provided with a raised step matched with the shape of the impeller. The raised steps and the impeller are matched to play a certain sealing role in external dust.
The position under the detection storehouse and discharge opening position can change relative position as required, detect the position under the storehouse and the interval between the discharge opening be D, D be N D, N is positive integer, D is the width that detects storehouse below open-ended.
The position right below the detection bin and the position of the discharge opening are 180-degree symmetrical positions.
The utility model discloses a portable near-infrared grain analyzer's feed arrangement's installation application method contains the following steps of order:
(1) firstly, mounting an impeller cabin and a motor, and enabling a motor shaft to extend upwards into the center of the impeller cabin;
(2) sliding the impeller shaft to the root of the motor shaft, and screwing the lateral fastening screw tightly to ensure the height and provide enough torque;
(3) inwards clamping the U-shaped positioning groove of the blade into the U-shaped clamping groove of the impeller to enable the outer mounting plane to be parallel and level, ensuring that the blade is clamped into the positioning groove, enabling the operation modes of all the blades to be the same, mounting the magnets into corresponding magnet mounting holes, and knocking in and fastening;
(4) sleeving the installed impeller module into an impeller shaft, and fastening the impeller module at the upper part by using a screw;
(5) the whole installed impeller bin module is installed to the positioning hole of the supporting plate from the bottom, and then the module can be assembled;
(6) the impeller is replaced only by detaching the impeller bin module from the bottom, taking out the impeller, and then pulling out the blades for replacement.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model discloses because adopted the softwood material impeller to cooperation circular impeller storehouse is used, the card material phenomenon of this type of instrument has been solved completely.
2. The utility model discloses can carry out different blade quantity and different turning radius's nimble configuration according to the actual test demand, make the commonality and the portability of instrument further strengthen.
3. The utility model discloses a quick replacement of impeller, the change operation of wearing parts such as blade also can be accomplished to non professional staff.
4. The utility model discloses a motor apolegamy is nimble, can select different motors according to different demands, realizes the accurate control to the sample.
5. The impeller feeding structure of the utility model can detect the sample in a way of dividing the sample into a plurality of parts equally under the condition of adding the grain sample once, thereby greatly improving the uniformity of grain detection and obtaining more accurate detection result; meanwhile, due to the adoption of the soft material transition type blocking piece, the device can be suitable for samples with different particle sizes, has the function of automatic detection of blocking materials, better protects structural members such as a spectrometer motor, a coupler and a wave wheel, and prolongs the service life.
6. The utility model discloses added position sensor at the drawer part of unloading, can prevent not loading the drawer and unload and lead to the sample to get into the inside condition of instrument.
Drawings
Fig. 1 is the structure schematic diagram of the feeding device of the portable near-infrared grain analyzer.
Fig. 2 is a cross-sectional view of the feeding device of the portable near-infrared grain analyzer.
Fig. 3 is a schematic structural view of an impeller of the feeding device shown in fig. 1.
Fig. 4 is a schematic structural view of a blade of the feeding device shown in fig. 1.
Wherein the reference numerals have the following meanings:
1-a funnel; 2, a detection bin; 3-a support plate; 4-impeller cabin; 5-an impeller; 6-a discharge drawer; 7-a blade; 8-impeller shaft; 9-a motor; 10-U-shaped clamping groove; 11-U-shaped positioning groove and 12-magnet.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1-4, the feeding device of the portable near-infrared grain analyzer comprises a support plate, an impeller, blades, an impeller shaft, an impeller bin, a detection bin, a hopper, a motor and a discharge drawer; the impeller bin is arranged on the supporting plate, the impeller is arranged in the middle of the impeller bin, blades are uniformly arranged around the impeller, the impeller shaft is fixed with the impeller, and the motor drives the impeller to rotate through the impeller shaft; the hopper and the detection bin are integrated and arranged above the impeller bin; the supporting plate is provided with a discharge opening in the area of the impeller bin, and a discharge drawer is arranged right below the discharge opening.
The funnel is positioned above and is mainly used for loading a sample to be detected; the detection bin is positioned under the funnel, and the sample detection light path passes through the sample through the detection windows on two sides of the detection bin to realize detection; the impeller and the impeller bin are arranged below the feeding device and are also the main part of the feeding device, and the feeding device is used for controlling the batch blanking of the sample so as to control the batch detection of the sample in the detection bin; the discharging drawer is located at the lowest part of the whole structure and used for collecting samples after detection, and recovery is facilitated.
More than one U-shaped clamping groove is formed in the impeller and used for placing blades; the length and the width of the middle section of the blade are respectively equal to the length and the depth of the U-shaped clamping groove, and the width of the middle section of the blade is smaller than the width of the two ends of the blade. Because the length and the width of the middle section of the blade are respectively equal to the length and the depth of the U-shaped clamping groove, the middle section of the blade is just matched with the U-shaped clamping groove during installation; simultaneously, the width of the middle section of the blade is smaller than the width of the two ends of the blade, so that after the middle section of the blade is installed on the U-shaped clamping groove, the two ends of the blade are clamped on the outer surface of the impeller, and the limiting effect is achieved.
Among the feed arrangement, the impeller adopts the die sinking injection moulding processing, designs for the U-shaped draw-in groove, can reduce half the installation quantity of blade, and 1 blade can be installed for 2, reduces the installation complexity.
And a limiting piece is arranged in the U-shaped clamping groove, and a limiting opening is arranged at the corresponding position of the blade. The design of the limiting sheet and the limiting opening further strengthens the limiting effect between the blade and the impeller.
The limiting sheet is a positioning bulge, and the limiting opening is a U-shaped positioning groove. The U-shaped positioning groove is formed above the blade and used for positioning the blade and the impeller, so that installation accuracy is guaranteed, and direction installation errors can be prevented. The bottom of the blade mounting groove is provided with a positioning bulge which is matched with the U-shaped groove of the blade and used for positioning the position of the blade.
The blades and the impeller are detachably mounted, and the detachable mounting can be realized through screws; in addition to being removably mounted, the blades may be integrally formed with the impeller.
The blade is made of TPU materials. The blade made of the TPU material can provide good wear resistance and deformation resistance, and can ensure that the blade cannot cause serious wear and deformation after being used for a long time, thereby ensuring the sealing property. The blade may also be made of other soft materials, only the preference of TPU material being listed here.
The number of the blades is set to be an even number, and different numbers can be set according to different granularities. The particles with smaller size (such as millet and rapeseed) can be arranged into 12-16 teeth, so that the accurate control of the throughput of the sample is realized; larger particles (such as corn and soybean) can be set to have 8 teeth to 6 teeth, so that the non-repeated measurement of the sample is ensured, and the sampling representativeness is ensured.
The feeding device of the portable near-infrared grain analyzer further comprises a Hall sensor, and magnets are mounted at the bottom of the impeller corresponding to the blades. The bottom Hall sensor is used for determining the rotating position at each time, so that the matching of the rotating angle and the number of the blades at each time is ensured, and the equalization of blanking at each time is ensured. At the moment, the motor adopts a common motor, the purpose of knowing the rotation angle of the impeller at each time can be well realized, and the space occupied by the impeller is effectively utilized.
The motor is arranged at the bottom of the impeller bin, and different motors can be arranged according to different requirements in the motor scheme; the direct-current speed reduction motor and the Hall sensor can be used for positioning according to the magnet design at the bottom of the impeller, and the device is mainly suitable for an impeller structure with large torque and large radius and is suitable for measuring large-particle samples. The motor can also be a stepping motor, and the rotation angle is controlled by the step number so as to realize the multiple detection of the sample, and the device is mainly suitable for the impeller structure with small radius and small torque. The width of the discharge opening below the impeller is consistent with the width of a lower area of the step of the impeller bin, so that the impeller can sweep out a sample and residual dust together after sweeping the impeller bin, and a certain self-cleaning function is realized.
The impeller shaft is positioned in the middle of the impeller and is a machining part. Because of the impeller is the material of moulding plastics, therefore pivot position intensity is not enough, and through flange mounting mode and impeller installation outside the impeller shaft provides the shaft coupling installation function, guarantee installation intensity and installation accuracy, make the impeller more convenient the dismantlement simultaneously.
The impeller chamber in the device is directly matched with the supporting plate to form a sealed space for conveying samples. The supporting plate is used for installing optical path related parts and electrical parts to realize the detection function of the instrument.
The bottom of the impeller bin is provided with a raised step matched with the shape of the impeller. The raised steps and the impeller are matched to play a certain sealing role in external dust.
The position right below the detection bin and the position of the discharge opening are 180-degree symmetrical positions. The position under the detection bin and the discharge opening position can also change relative positions as required, the interval between the position under the detection bin and the discharge opening is D, D is N D, N is a positive integer, and D is the width of the opening below the detection bin.
The installation and use method of the feeding device of the portable near-infrared grain analyzer comprises the following steps in sequence:
(1) firstly, mounting an impeller cabin and a motor, and enabling a motor shaft to extend upwards into the center of the impeller cabin;
(2) sliding the impeller shaft to the root of the motor shaft, and screwing the lateral fastening screw tightly to ensure the height and provide enough torque;
(3) inwards clamping the U-shaped positioning groove of the blade into the U-shaped clamping groove of the impeller to enable the outer mounting plane to be parallel and level, ensuring that the blade is clamped into the positioning groove, enabling the operation modes of all the blades to be the same, mounting the magnets into corresponding magnet mounting holes, and knocking in and fastening;
(4) sleeving the installed impeller module into an impeller shaft, and fastening the impeller module at the upper part by using a screw;
(5) the whole installed impeller bin module is installed to the positioning hole of the supporting plate from the bottom, and then the module can be assembled;
(6) the impeller is replaced only by detaching the impeller bin module from the bottom, taking out the impeller, and then pulling out the blades for replacement.
Specifically, referring to fig. 1, in the automatic feeding device for a portable near-infrared grain analyzer of the present embodiment, a funnel 1 is located at the top, a detection bin 2 is located below the funnel, and two detection windows are disposed on two sides of the detection bin for sample detection. The detection bin 2 is fixed on the main support plate 3, and the impeller bin 4 is arranged below the main support plate 3. The blades 7 are arranged in clamping grooves of the impeller 5, the impeller shaft 8 is arranged in the center of the impeller 5 and fixed by 4 screws, and the discharging drawer 6 is positioned below the impeller bin 4. After the sample is loaded into the funnel 1, the sample falls into the detection bin 2 and the impeller bin 4 under the action of gravity, and the detection light path of the spectrometer detects the sample for the first time through the detection window and records the detection spectrum.
After the first detection is finished, the impeller 6 is driven by the motor 9 to rotate by a fixed angle, part of the sample is brought into the interior from the upper part of the impeller bin 4, the sample in the funnel falls into a new impeller gap under the action of gravity, so that the sample in a detection light path is replaced, and the second sample detection is carried out and the detection spectrum is recorded. When the sample in the impeller bin 4 is conveyed to the discharge opening by the impeller 7, the sample falls into the discharge drawer 6.
Repeating the steps, after the samples are completely detected, the impeller 7 can continuously rotate to send all the samples in the whole detection mechanism into the discharging drawer 6, meanwhile, a user is reminded that the detection is completed, and the samples in the discharging drawer 6 are cleaned and then replaced by the next sample for detection.
The blade 7 can be rapidly replaced, and the operation steps are as follows:
the unloading drawer 6 is taken out firstly, the four screws for fixing the impeller bin 4 are dismounted from the bottom of the instrument, the impeller bin module can be removed, the four screws above the impeller 5 are dismounted, the impeller module can be taken out, and the impeller 7 in the clamping groove of the impeller 5 can be directly taken out and replaced, so that the convenience and the rapidness are realized; meanwhile, when the internal self-cleaning function is insufficient, the manual cleaning can be carried out by adopting the dismounting method.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. Feed arrangement of portable near-infrared grain analysis appearance, its characterized in that: comprises a supporting plate, an impeller, blades, an impeller shaft, an impeller bin, a detection bin, a hopper, a motor and a discharging drawer; the impeller bin is arranged on the supporting plate, the impeller is arranged in the middle of the impeller bin, blades are uniformly arranged around the impeller, the impeller shaft is fixed with the impeller, and the motor drives the impeller to rotate through the impeller shaft; the hopper and the detection bin are integrated and arranged above the impeller bin; the supporting plate is provided with a discharge opening in the area of the impeller bin, and a discharge drawer is arranged right below the discharge opening.
2. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: more than one U-shaped clamping groove is formed in the impeller and used for placing blades; the length and the width of the middle section of the blade are respectively equal to the length and the depth of the U-shaped clamping groove, and the width of the middle section of the blade is smaller than the width of the two ends of the blade.
3. The feeding device of the portable near-infrared grain analyzer of claim 2, wherein: a limiting piece is arranged in the U-shaped clamping groove, and a limiting opening is arranged at the position corresponding to the blade; the limiting sheet is a positioning bulge, and the limiting opening is a U-shaped positioning groove.
4. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: the blade is made of TPU materials.
5. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: the number of the blades is set to be an even number, and different numbers can be set according to different granularities.
6. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: the impeller is characterized by further comprising a Hall sensor, and magnets are mounted at the bottom of the impeller corresponding to the blades.
7. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: the bottom of the impeller bin is provided with a raised step matched with the shape of the impeller.
8. The feeding device of the portable near-infrared grain analyzer of claim 1, which is characterized in that: the position under the detection storehouse and discharge opening position can change relative position as required, detect the position under the storehouse and the interval between the discharge opening be D, D be N D, N is positive integer, D is the width that detects storehouse below open-ended.
9. The feeding device of the portable near-infrared grain analyzer of claim 8, wherein: the position right below the detection bin and the position of the discharge opening are 180-degree symmetrical positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921955026.6U CN211086080U (en) | 2019-11-13 | 2019-11-13 | Feeding device of portable near-infrared grain analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921955026.6U CN211086080U (en) | 2019-11-13 | 2019-11-13 | Feeding device of portable near-infrared grain analyzer |
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| Publication Number | Publication Date |
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| CN211086080U true CN211086080U (en) | 2020-07-24 |
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| CN201921955026.6U Active CN211086080U (en) | 2019-11-13 | 2019-11-13 | Feeding device of portable near-infrared grain analyzer |
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2019
- 2019-11-13 CN CN201921955026.6U patent/CN211086080U/en active Active
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