CN108529145B - A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device - Google Patents
A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device Download PDFInfo
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- CN108529145B CN108529145B CN201810339572.0A CN201810339572A CN108529145B CN 108529145 B CN108529145 B CN 108529145B CN 201810339572 A CN201810339572 A CN 201810339572A CN 108529145 B CN108529145 B CN 108529145B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/28—Piling or unpiling loose materials in bulk, e.g. coal, manure, timber, not otherwise provided for
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- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of internal and external screw combined type Bulk Grains to take off the operation of paddy export and detection device, it is to collect grain grain scraper structure for taking off paddy conveying to Bulk Grain, the left and right helical transport unit for collecting grain grain scraper structure uses the modularized design of quick release replacement, inside spin plate and external spiral plate in helical feed module is using deformation shape and Variable Parameters Design, to realize the speed control to Bulk Grain feeding；Three-layer screen is set in the storage tank of export detection device, every layer setting can extracting replacing drawer type sieve, it is stalk sundries, grain and dust three parts by export Bulk Grain vibrosieve, top is equipped with dust detector, it is possible to provide the centralized detecting scheme of the parameters such as dust concentration contained by export Bulk Grain, percentage of impurity, percentage of damage and export production capacity.The present invention can adapt to modern grain storage logistics low cost, efficient demand, can meet and take off the multiple uses needs such as paddy, conveying, removal of impurities, detection and trial production of new products.
Description
Technical field
The present invention relates to technical field of food machinery, especially a kind of satisfaction takes off paddy, conveying, removal of impurities, detection and new product
The Bulk Grain that the multiple uses such as trial-production need takes off the operation of paddy export and detection device, more specifically a kind of internal and external screw combined type
Bulk Grain takes off the operation of paddy export and detection device.
Background technique
In the field of China's grain reserves at present, the Bulk Grain for grain depot takes off paddy export equipment and mainly uses single-screw auger
Structure takes off paddy export operation to realize, although structure is simple, has a single function.Though by increasing equipment revolving speed and structure size
Production capacity can be increased, but will also result in serious dust pollution simultaneously, and Bulk Grain percentage of damage increases, and reduces grain quality.
The research and development that Bulk Grain takes off paddy export equipment depend on the design experiences of engineers and technicians, and the screw rod for taking off valley head turns
The design parameters such as speed, spiral shell plate screw pitch, helical angle, outer diameter directly affect the service performance of the production capacity and equipment of taking off paddy export operation,
Test is repeated in these important design parameters needs, and continuously improves to model machine, new product designs manufacturing cycle length, efficiency
It is low, experimentation cost is high.In Bulk Grain export operation process, the above-mentioned design parameter for taking off paddy export equipment directly affects Bulk Grain export work
Percentage of impurity, export production capacity and the percentage of damage of dust concentration, Bulk Grain when industry, and these important parameters and grain quality and its loss
It is closely related, and environment is impacted.
Current existing combined type scraping paddy export equipment is mostly the combination using multiple auger handholds or scraper plate, such as is applied
Number for 201710055106.5 Chinese invention patent disclosed in a kind of grain scraper combined type auger handhold, be with main auger handhold
It is connect with conveying device, the secondary auger handhold at both ends is made to realize expansion and be collapsed along hinge joint back rotation, takes off grain range to improve
For the purpose of taking off paddy efficiency, but grain loss and dust pollution are not can be reduced.
Also, mostly use all purpose instrument to carry out artificial detection at present, it is not only time-consuming and laborious, accuracy rate is relatively low, but also influence
The normal export operation of Bulk Grain, dust concentration, grain percentage of impurity, export production capacity and grain crusher when there are no to grain export
The special inspecting equipment of rate also takes off the design and trial-manufacturing process of paddy export equipment without being used for Bulk Grain.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent.For this purpose, the present invention is existing in order to adapt to
For grain storage logistics low cost, efficient demand, propose that a kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and inspection
Measurement equipment takes off the multiple uses needs such as paddy, conveying, removal of impurities, detection and trial production of new products to be able to satisfy.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device, is structurally characterized in that: taking off paddy by collection grain
Mechanism, export detection device and supply unit are constituted；
The collection grain grain scraper structure is used to take off Bulk Grain paddy conveying, is that the both ends in shell, positioned at intermediate rotary shaft are symmetrical
Oppositely oriented left-hand screw supply unit and right-hand screw supply unit are set, for Bulk Grain to be concentrated conveying from two sides to centre,
And the scraper plate conveying assembly by being arranged in intermediate rotary shaft exports Bulk Grain to supply unit；
The left-hand screw supply unit is connected with the right end of left rotary shaft with the left end of intermediate rotary shaft, and can synchronous rotary,
In the left rotary shaft along it is axial, each dismountable spiral installed for an independent assembly unit by being often rotated by 360 ° with spiral plate
Conveyor module, the helical feed module are made of inside spin unit and external spiral unit, and the inside spin plate of inside spin unit is set
It sets in the left rotary shaft, the inside spin plate head and the tail of adjacent inside spin unit are successively connected, on the inner wall of rotary drum of external spiral unit
By inside spin plate corresponding position setting with the inside spin plate screw pitch, the consistent external spiral plate of rotation direction, the external spiral plate with
Inside spin plate is laid in pairs, there are gaps between radial direction realizes the helical feed to Bulk Grain with left rotary shaft synchronous rotary；It is described
Right-hand screw supply unit and left-hand screw supply unit structure type having the same；
The export detection device is using lifting platform as pedestal, and installation is driven vibratile by shake table on the pedestal
Material storing box, the material storing box are the drawer type wide-meshed screens, drawer type fine screen mesh and drawer set gradually from top to bottom with its inside
Formula disposal box is used to detect dust concentration when export operation for sieving to Bulk Grain with the dust detector at top；
The supply unit is the Bulk Grain through collection grain grain scraper structure output to be received with first conveyer belt, and export to export and examine
Device is surveyed, with the second grain used for conveyer belt after the screening slid received from material storing box discharge port.
Design feature of the invention is lain also in:
Screw sheel is sheathed in left rotary shaft within the inside spin unit is, the inside spin plate is fixedly arranged on the interior spiral shell
Rotation set drum outer wall, between the inside spin sleeve of adjacent inside spin unit with the connection of castellated coupling structure, constituted an entirety, with
The left rotary shaft synchronous rotary.
Between the roller of adjacent external spiral unit engage be connected, constitute outer framework, the outer framework in it is grid-like, pass through two
Cross supporting frame on the inner wall of end is supported in the left rotary shaft.
In the left-hand screw supply unit and right-hand screw supply unit, each inside spin plate head and the tail are successively connected, and form interior spiral shell
Conveying blade is revolved, each external spiral plate head and the tail are successively connected, form external spiral conveying blade:
The inside spin conveying blade and external spiral conveying blade are set to wait outer diameters, uniform pitch structure；
Or, the inside spin conveying blade and external spiral conveying blade is arranged to wait outside diameter structures, and screw pitch is defeated along Bulk Grain
Send direction linear increasing or decreasing.
Or, the inside spin conveying blade and external spiral conveying blade is arranged as uniform pitch structure, outer diameter is conveyed along Bulk Grain
Direction is linearly incremented by, and the roller internal diameter of the external spiral unit corresponds to variation by the different sizes of internal helical blades outer diameter, with
Keep the gap between external spiral blade and internal helical blades position radial direction consistent.
Design feature of the invention also resides in: the left rotary shaft of the left-hand screw supply unit and the right side of right-hand screw supply unit
Shaft is symmetrically tiltedly mounted on the both ends of intermediate rotary shaft by shaft coupling, and left-hand screw supply unit and right-hand screw conveying list is arranged
The lower edge of the internal helical blades of member is located at same level height.
Compared with the prior art, the invention has the advantages that:
1, the invention proposes the knockdown collection grain grain scraper structure of internal and external screw, inside spin unit realizes that Bulk Grain takes off paddy conveying
Major function, external spiral unit increases outer diameter parameter, improves and take off paddy efficiency and export production capacity, has and inhibits powder
Dirt reduces the effect of Bulk Grain loss；
2, the present invention uses modular design for disassembly, radially inner and outer spiral plate pairwise coupling, axial multiple groups spiral transferring
It send module to be combined with each other and can extend, meet Bulk Grain and take off the multiduty demand of paddy export operation；
3, the present invention realizes automatic detection, does not influence export operation, instead of manual detection mode, is conducive to protect
The health of operator reduces the cost of labor of measurement, improves detection efficiency and reliability；
4, the present invention can be combined debugging to collection grain grain scraper structure, both be able to satisfy production capacity needs according to detection data,
Dust pollution is reduced again；And main components can shorten the design cycle with quick-replaceable, reduce research and development manufacture and test
Cost；
5, the present invention is suitable for the various types of food such as paddy, corn, wheat, it is easy to operate it is practical, have wide range of applications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for collecting grain grain scraper structure in the present invention；
Fig. 2 is that collection grain grain scraper structure shown in Fig. 1 removes the structural schematic diagram after external spiral unit；
Fig. 3 is the structural schematic diagram of export detection device in the present invention；
Fig. 4 is structural schematic diagram when inside spin plate is equal outer diameters, varying pitch in collection grain grain scraper structure；
Fig. 5 is the structural schematic diagram integrated when inside spin plate is uniform pitch, change outer diameter in grain grain scraper structure；
Fig. 6 is the structural schematic diagram collected when left rotary shaft and the inclination of right-hand rotation axial symmetry are installed in grain grain scraper structure；
Fig. 7 is the structural schematic diagram of the China and foreign countries Fig. 1 spiral element；
Fig. 8 is the structural schematic diagram of drawer type wide-meshed screen in Fig. 3；
Fig. 9 is the structural schematic diagram of drawer type fine screen mesh in Fig. 3；
Figure 10 is structural schematic diagram of the export detection device for the drawer type sieve of regrading.
In figure, 1 collection grain grain scraper structure；2 shells；3 intermediate rotary shafts；4 inside spin units；5 external spiral units；6 left rotary shafts；7
Inside spin plate；8 inside spin sleeves；9 rollers；10 external spiral plates；11 castellated coupling structures；12 retaining rings；13 cross supporting frames；14
Sprocket wheel；15 replaceable axle sleeves；16 transmission chains；17 scraper plates；18 lifting platforms；19 shake tables；20 material storing box；21 drawer type wide-meshed screens；
22 drawer type fine screen mesh；23 drawer type disposal boxes；24 dust detectors；25 turnable strippers；26 universal wheels；27 locking dresses
It sets；28 drawer type sieves；29 universal joints；30 right spindles；31 partitions；32 first conveyer belts；33 CD outlets；34 second conveyer belts；
35 vibrating motors.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Please refer to Fig. 1 to Fig. 9, the internal and external screw combined type Bulk Grain of the present embodiment take off the operation of paddy export and detection device be by
Collect grain grain scraper structure 1, export detection device and supply unit to constitute；
Collection grain grain scraper structure 1 is used to take off Bulk Grain paddy conveying, is symmetrically set in shell 2, positioned at the both ends of intermediate rotary shaft 3
Oppositely oriented left-hand screw supply unit and right-hand screw supply unit are set, for Bulk Grain to be concentrated conveying from two sides to centre, and
Bulk Grain is exported to supply unit by the scraper plate conveying assembly being arranged in intermediate rotary shaft 3；
Left-hand screw supply unit is connected with the right end of left rotary shaft 6 with the left end of intermediate rotary shaft 3, and can synchronous rotary,
In left rotary shaft 6 along it is axial, each dismountable helical feed installed for an independent assembly unit by being often rotated by 360 ° with spiral plate
Module (every side helical feed module setting 2-4 in the present embodiment), helical feed module is by inside spin unit 4 and external spiral list
Member 5 is constituted, and the inside spin plate 7 of inside spin unit 4 is arranged in left rotary shaft 6,7 head and the tail of inside spin plate of adjacent inside spin unit 4
Successively it is connected, by the corresponding position setting of inside spin plate 7 and 7 screw pitch of inside spin plate, rotation on 9 inner wall of roller of external spiral unit 5
To consistent external spiral plate 10, there are gaps between laying, radial direction in pairs for external spiral plate 10 and inside spin plate 7, same with left rotary shaft 6
Step rotation, realizes the helical feed to Bulk Grain；Right-hand screw supply unit and left-hand screw supply unit structure type having the same；
The lower section of 32 CD outlet 33 of first conveyer belt is arranged in export detection device, is with lifting platform 18 for pedestal, in base
Installation drives vibratile material storing box 20 by shake table 19 on seat, and material storing box 20 is the pumping set gradually from top to bottom with its inside
Drawer formula wide-meshed screen 21, drawer type fine screen mesh 22, for sieving to Bulk Grain, are examined with drawer type disposal box 23 with the dust at top
Survey dust concentration when instrument 24 is used to detect export operation；
Supply unit is the Bulk Grain exported through collection grain grain scraper structure 1 to be received with first conveyer belt 32, and export to export and examine
Device is surveyed, the grain after the screening for being used to slide received from 20 discharge port of material storing box with the second conveyer belt 34.
Referring to figure 2., as an optional scheme, intermediate rotary shaft 3 is multi-diameter shaft, is symmetrical arranged two sprocket wheels thereon
14, the axial spacing between sprocket wheel 14 is adjusted by replaceable axle sleeve 15, and above-mentioned scraper plate conveying assembly (is not schemed by speed regulating motor
Show) power is provided, each sprocket wheel 14 is rotated synchronously with intermediate rotary shaft 3, and two groups of transmission chains 16 is driven to rotate, and is horizontally placed on two to realize
Each scraper plate 17 between group transmission chain 16 moves synchronously.
In specific implementation, corresponding structure setting also includes:
Screw sheel 8 is sheathed in left rotary shaft 6 within inside spin unit 4 is, inside spin plate 7 is fixedly arranged on inside spin sleeve 8
Outer wall is connected to transmit torque, be constituted one with castellated coupling structure 11 between the inside spin sleeve 8 of adjacent inside spin unit 4
A entirety, with 6 synchronous rotary of left rotary shaft.
Specifically, the both ends of intermediate rotary shaft 3 are connected respectively with left rotary shaft 6 and right spindle 30 by shaft coupling and can synchronous rotations
Turn, the outer end of left rotary shaft 6 and right spindle 30 is separately installed with retaining ring 12, and 12 thickness of retaining ring is adjustable, is used for outermost
The axial restraint of 8 outer end face of inside spin sleeve.
Referring to Fig. 7, between the roller 9 of adjacent external spiral unit 5 engage be connected, constitute outer framework, outer framework in it is grid-like,
It is supported in left rotary shaft 6 by the cross supporting frame 13 on the inner wall of both ends.
Optionally, in the present embodiment, 7 dextrorotation of left side inside spin plate, right side inside spin plate 7 is left-handed.
Collection grain grain scraper structure 1 in the embodiment of the present invention uses dismountable modularized design, and shell 2 is by being symmetrical arranged
Left and right shell be bolted and be assembled, the inside spin unit 4 and external spiral unit 5 of each helical feed module are all
It is detachable and interchangeable according to Bulk Grain export function and capacity requirements, and driven using speed regulating motor, realize that conveying speed is adjustable.When
When Bulk Grain humidity is big, percentage of impurity is low and operating efficiency does not require, inside spin unit 4 can be taken off paddy operation with complete independently and (be removed
External spiral unit 5)；When Bulk Grain percentage of impurity is high, dust is big and has capacity requirements, inside spin unit 4 and external spiral unit 5 are pairs of
It is applied in combination, has increased considerably the outer diameter of spiral camber, increase Bulk Grain capacity, increase axial conveying capacity, significantly
Improve production capacity.
External spiral plate 10 and the screw pitch, the hand of spiral, setting angle of inside spin plate 7 etc. are consistent, on roller 9 circumferentially
Equidistantly to lay partition 31, make outer framework integrally and be in grid-like, by hindering and shunting function reaches decrease air-flow, prevents powder
Dirt is flown upward；Preferably, roller 9 can mitigate impact using the production of the materials such as high-intensitive PPR, PU, reduce Bulk Grain and be crushed probability,
Reduce Bulk Grain loss.
In left-hand screw supply unit and right-hand screw supply unit, each 7 head and the tail of inside spin plate are successively connected, and it is defeated to form inside spin
Blade is sent, each 10 head and the tail of external spiral plate are successively connected, and form external spiral conveying blade, inside spin conveying blade and external spiral convey
The spiral surface shape of blade is curved surface, using deformation shape and Variable Parameters Design, to realize the speed control of Bulk Grain feeding.According to scattered
Multiple mounting modes implementation can be used in grain type and rate of feeding requirement, such as:
1, as shown in Fig. 2, the outer diameters, uniform pitch structure such as setting inside spin conveying blade and external spiral conveying blade are, take off
When paddy operation, Bulk Grain is from the both ends of collection grain grain scraper structure 1 and radially into shell 2, then is sent into and is collected with identical axial velocity
The middle position of grain grain scraper structure 1, is exported by scraper plate conveying assembly, is sent into export detection device through 32 export of first conveyer belt；
2, as shown in figure 4, inside spin conveying blade is arranged and the outside diameter structures such as external spiral conveying blade is, and screw pitch is along scattered
Grain conveying direction is linearly incremented by, intermediate rotary shaft 3 it is every rotation one week, be axially moved distance increase, Bulk Grain axial movement speed by
It is cumulative big, when taking off paddy operation, Bulk Grain conveying speed can be increased, promote the conveying capacity and efficiency for taking off paddy collection grain；Conversely, such as setting
It sets screw pitch linearly to successively decrease along Bulk Grain conveying direction, Bulk Grain is axially moved speed and slows down gradually, and is conducive to slow down grain
Collision and impact；In the present embodiment, setting screw pitch is the linear change within the scope of 300-360mm；
3, as shown in figure 5, setting inside spin conveying blade and external spiral conveying blade are uniform pitch structure, outer diameter is along Bulk Grain
Conveying direction is linearly incremented by, and 9 internal diameter of roller of external spiral unit 5 corresponds to variation by the different sizes of internal helical blades outer diameter,
So that the gap between external spiral blade and internal helical blades position radial direction is consistent, when taking off paddy operation, increase spiral camber
Outer diameter can increase the volume of Bulk Grain conveying, to promote the conveying capacity and efficiency for taking off paddy collection grain；In the present embodiment,
Outer diameter, which is arranged, linearly to be increased within the scope of 300-360mm；
4, as shown in fig. 6, the right spindle 30 of the left rotary shaft 6 of left-hand screw supply unit and right-hand screw supply unit passes through shaft coupling
Device is symmetrically tiltedly mounted on the both ends of intermediate rotary shaft 3, and the inside spin of left-hand screw supply unit Yu right-hand screw supply unit is arranged
The lower edge of blade is located at same level height, and Bulk Grain axial direction transfer efficiency can be improved in the design of this structure.
Internal and external screw combined type Bulk Grain with above structure takes off the operation of paddy export and detection device is suitable for paddy, jade
The various grains-types of rice, wheat, beans, introduce the working principle of export detection device by taking paddy as an example:
Referring to Fig. 3, paddy falls into export detection device, shake table from the CD outlet 33 of first conveyer belt 32 with certain initial velocity
19 are driven by vibrating motor 35, so that material storing box 20 is generated vibration and are sieved to Bulk Grain.Paddy falls into 20 upper layer of material storing box first
Drawer type wide-meshed screen 21, carry out coarse fraction, as shown in figure 8,21 surrounding side wall of drawer type wide-meshed screen be stainless steel plate, bottom is
Sieve, sieve pore shape are the rectangle of 10mm × 2mm, and stalk sundries lighter weight, size is larger, and the drawer type for staying in upper layer is thick
In sieve 21；Paddy layer particle and dust drop on 20 middle layer drawer type fine screen mesh 22 of material storing box, as shown in figure 9, material storing box
20 correspond on the side wall of discharge port side, are equipped between upper layer drawer type wide-meshed screen 21 and middle layer drawer type fine screen mesh 22
Stripper 25 may be reversed, stripper 25 may be reversed by opening, realize it is clear it is miscellaneous after the continuous export operation of Bulk Grain, middle layer drawer type
22 material of fine screen mesh is stainless steel plate, and bottom is sieve, and diagonally downward towards discharge port side, tilt angle is 10-30 ° for bottom end
(being set as 15 ° in the present embodiment), sieve pore shape are circle, and diameter can be selected according to paddy type and granular size, this
It is in embodiment 2mm (GB1350-2009, paddy)；Dust small volume enters the drawer type collection of lower layer after dusting cover
In dirt case 23, paddy layer particle has been stayed in the drawer type fine screen mesh 22 in middle layer, and is slipped to the second conveying along sieve inclined-plane
On band 34, complete to continue export work flow.
Drawer type wide-meshed screen 21, drawer type fine screen mesh 22 and drawer type disposal box 23 can be extracted out from material storing box 20,
And volume markings line is carved on inner wall respectively, for measuring volume, calculating density.Drawer type wide-meshed screen 21 stores stalk sundries,
Drawer type disposal box 23 stores dust, therefore weight and volume is all smaller, directly can extract out and remove；Drawer type fine screen mesh 22
For sieving the dust in paddy, it is clear it is miscellaneous after paddy, fallen on conveyer belt by discharge port.
In addition, 18 bottom surface quadrangle of lifting platform is equipped with universal wheel 26, it can be moved to the 33 suitable position in lower section of CD outlet,
And locking device 27 there are four being arranged, for the locking of export detection device on the ground.
Please continue to refer to Fig. 3, the upper layer of material storing box 20 is stalk sundries, middle layer is paddy, lower layer is dust, export detection
Specific implementation process it is as follows:
(1) paddy export dust concentration detects: being equipped with dust detector 24 at the top of material storing box 20, is used for real-time testing rice
Dust concentration n (unit mg/m3) when paddy export operation, test dust concentration values, analysis are made from export at regular intervals
The situation of change of industry start and ending dust concentration；Time interval is set as 2min in the present embodiment；
(2) paddy percentage of impurity detects: after paddy export operation stops, stalk in 20 upper layer drawer type wide-meshed screen 21 of material storing box
Sundries quality is m1 (units/kg), and flowing through paddy quality in middle layer drawer type fine screen mesh 22 is m2 (units/kg), lower layer's storage tank
Interior dust quality is m3 (units/kg), the large scale impurity content of export paddy: M=m1/(m1+m2+m3) × 100%；Dust is miscellaneous
Matter content: N=m3/(m1+m2+m3) × 100%；Total percentage of impurity: B=M+N；
(3) paddy export production capacity detect: timing s material storing box 20 is fallen into since paddy, to operation stopping (such as with
Lorry is fully loaded with 20t meter), paddy takes off the paddy export activity duration as t (unit min), and collection grain takes off the production capacity of paddy export are as follows:-unit t/
min；
(4) paddy percentage of damage characterization grain is mechanically damaged and generates broken degree, and detection method is:
After paddy sieves sundries and dust, by replacing drawer type sieve 28 as shown in Figure 10, sample m a small amount of to middle layer paddy2'
(units/kg) carries out regrading, the broken grain quality m after screening4(units/kg), the grain for taking off paddy export operation are broken
Broken rate: BS=m4/m2' × 100%；
(5) paddy Density Detection: the stainless steel plate inner wall of the drawer type fine screen mesh 22 in 20 middle layer of material storing box has volume markings
Line, (unit l) can calculate paddy density p=m to the volume V for measuring paddy2/V×103, (units/kg/m3).
Percentage of damage measurement method by taking corn as an example are as follows:
Drawer type sieve 28 two are chosen, bottom screens shape is all circle, and diameter is respectively Ф 4.76mm and Ф 3mm,
The corn particle for removing sundries and dust is deposited in upper layer Ф 4.76mm drawer type sieve after two-stage screen cloth vibrating screen point
It is perfect kernel on 28, retaining is that (missing is broken more than 1/5 volume to broken kernel on Ф 3mm drawer type sieve 28 in middle level
Grain, 2009 corn of GB1353 -), it is fragmentation niblet by Ф 3mm drawer type sieve 28.
Above-mentioned export detection work does not influence export work flow, and the grain after removing impurity and dust is through the second conveyer belt
34 fall into boxcar or container.The monitoring of export dust concentration real-time continuous, the calculating that can weigh after export operation contain
Miscellaneous rate, production capacity and density can be detected percentage of damage by replacing sieve.
Dust concentration contained by above-mentioned Bulk Grain, the percentage of impurity of Bulk Grain, export production capacity and percentage of damage measurement result, for collect grain
The Selection and Design of the parts such as spiral plate, the scraper plate 17 of grain scraper structure 1 provides data and supports, can be lost and be gone out with choosing comprehensively grain
The correlation of storehouse efficiency reduces grain crusher rate, that is, grain loss under the premise of guaranteeing certain export efficiency, and can incite somebody to action
The dust pollution of environment and harm are reduced to bottom line.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (7)
1. a kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device, it is characterized in that: by collection grain grain scraper structure
(1), export detection device and supply unit are constituted；
The collection grain grain scraper structure (1) is used to take off Bulk Grain paddy conveying, is the both ends in shell (2), positioned at intermediate rotary shaft (3)
It is symmetrical arranged oppositely oriented left-hand screw supply unit and right-hand screw supply unit, it is defeated for concentrating Bulk Grain from two sides to centre
It send, and the scraper plate conveying assembly by being arranged on intermediate rotary shaft (3) exports Bulk Grain to supply unit；
The left-hand screw supply unit is connected with the right end of left rotary shaft (6) with the left end of intermediate rotary shaft (3), and can synchronize rotation
Turn, on the left rotary shaft (6) along it is axial, with spiral plate by be often rotated by 360 ° for an independent assembly unit installation it is each detachable
Helical feed module, the helical feed module is made of inside spin unit (4) and external spiral unit (5), inside spin unit
(4) inside spin plate (7) is arranged on the left rotary shaft (6), and inside spin plate (7) head and the tail of adjacent inside spin unit (4) are successively
It is connected, corresponding position setting and the inside spin plate (7) on roller (9) inner wall of external spiral unit (5) by inside spin plate (7)
The consistent external spiral plate (10) of screw pitch, rotation direction, the external spiral plate (10) and inside spin plate (7) are laid in pairs, are stayed between radial direction
There is gap, with left rotary shaft (6) synchronous rotary, realizes the helical feed to Bulk Grain；The right-hand screw supply unit and left-hand screw are defeated
Send unit structure type having the same；
The export detection device is with lifting platform (18) for pedestal, and installation can be shaken by shake table (19) driving on the pedestal
Dynamic material storing box (20), the material storing box (20) are the drawer type wide-meshed screens (21) set gradually from top to bottom with its inside, taken out
Drawer formula fine screen mesh (22) for sieving to Bulk Grain, is used for drawer type disposal box (23) with the dust detector (24) at top
Detect dust concentration when export operation；
The supply unit is the Bulk Grain through collection grain grain scraper structure (1) output to be received with first conveyer belt (32), and export to out
Storehouse detection device, the grain after the screening for being used to slide received from material storing box (20) discharge port with the second conveyer belt (34).
2. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that: institute
Screw sheel (8) is sheathed on left rotary shaft (6) within stating inside spin unit (4) and being, the inside spin plate (7) is fixedly arranged in described
Screw sheel (8) outer wall, between the inside spin sleeve (8) of adjacent inside spin unit (4) with castellated coupling structure (11) connection,
An entirety is constituted, with the left rotary shaft (6) synchronous rotary.
3. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that: phase
Engage between the roller (9) of adjacent external spiral unit (5) and be connected, constitute outer framework, the outer framework in it is grid-like, by both ends
Cross supporting frame (13) on wall is supported on the left rotary shaft (6).
4. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that institute
It states in left-hand screw supply unit and right-hand screw supply unit, each inside spin plate (7) head and the tail are successively connected, and form inside spin and convey leaf
Piece, each external spiral plate (10) head and the tail are successively connected, and form external spiral conveying blade:
The inside spin conveying blade and external spiral conveying blade are set to wait outer diameters, uniform pitch structure.
5. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that institute
It states in left-hand screw supply unit and right-hand screw supply unit, each inside spin plate (7) head and the tail are successively connected, and form inside spin and convey leaf
Piece, each external spiral plate (10) head and the tail are successively connected, and form external spiral conveying blade:
The inside spin conveying blade and external spiral conveying blade are set to wait outside diameter structures, and screw pitch is in along Bulk Grain conveying direction
Linear increment；Or, screw pitch is linearly successively decreased along Bulk Grain conveying direction.
6. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that institute
It states in left-hand screw supply unit and right-hand screw supply unit, each inside spin plate (7) head and the tail are successively connected, and form inside spin and convey leaf
Piece, each external spiral plate (10) head and the tail are successively connected, and form external spiral conveying blade；
The inside spin conveying blade is set and external spiral conveying blade is uniform pitch structure, outer diameter is in line along Bulk Grain conveying direction
Property be incremented by, roller (9) internal diameter of the external spiral unit (5) by internal helical blades outer diameter the corresponding variation of different sizes so that
Gap between external spiral blade and internal helical blades position radial direction is consistent.
7. internal and external screw combined type Bulk Grain according to claim 1 takes off the operation of paddy export and detection device, it is characterized in that: institute
During the right spindle of the left rotary shaft (6) and right-hand screw supply unit of stating left-hand screw supply unit is symmetrically tiltedly mounted on by shaft coupling
Between shaft (3) both ends, and left-hand screw supply unit is set and the lower edge of the internal helical blades of right-hand screw supply unit is located at
Same level height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339572.0A CN108529145B (en) | 2018-04-16 | 2018-04-16 | A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339572.0A CN108529145B (en) | 2018-04-16 | 2018-04-16 | A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108529145A CN108529145A (en) | 2018-09-14 |
| CN108529145B true CN108529145B (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810339572.0A Active CN108529145B (en) | 2018-04-16 | 2018-04-16 | A kind of internal and external screw combined type Bulk Grain takes off the operation of paddy export and detection device |
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| CN (1) | CN108529145B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115092623A (en) * | 2022-06-06 | 2022-09-23 | 河南工业大学 | Belt clamping type bulk grain vertical lifting test experiment platform and test method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH471023A (en) * | 1967-06-05 | 1969-04-15 | Buligan Mario | Raschiatore elicoidale per il caricamento di materiali alla rinfusa su un nastro trasportatore situato nel suo interno |
| RU2083463C1 (en) * | 1995-02-07 | 1997-07-10 | Павел Иванович Павлов | Screw-and-cutter feeder |
| CN205011051U (en) * | 2015-09-15 | 2016-02-03 | 郑州一帆机械设备有限公司 | Double helix extracting device |
| CN205274737U (en) * | 2015-12-28 | 2016-06-01 | 浙江宏业农装科技股份有限公司 | Last receipts grain device of grain reaping machine |
| CN205366892U (en) * | 2016-01-05 | 2016-07-06 | 南昌市赣红农机有限公司 | High -efficient cereal collection device of variable -pitch |
| CN106629097A (en) * | 2017-01-24 | 2017-05-10 | 中储粮成都粮食储藏科学研究所 | Intelligent grain scraper |
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