CN114593589B - Slideway type grain dryer - Google Patents
Slideway type grain dryer Download PDFInfo
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- CN114593589B CN114593589B CN202210306799.1A CN202210306799A CN114593589B CN 114593589 B CN114593589 B CN 114593589B CN 202210306799 A CN202210306799 A CN 202210306799A CN 114593589 B CN114593589 B CN 114593589B
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- drying
- slide
- shaft
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- 238000001035 drying Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005496 tempering Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 235000013339 cereals Nutrition 0.000 description 85
- 230000008901 benefit Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000020985 whole grains Nutrition 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/22—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being vertical or steeply inclined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
- F26B17/16—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials passing down a heated surface, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention discloses a slideway type grain dryer, which comprises a grain scattering mechanism, a drying mechanism and a grain guide bin; the grain scattering mechanism comprises a throwing disc and a tempering device; the throwing disc is connected with the tempering device through a first rotating shaft; the tempering device comprises a supporting plate and a cylinder above the supporting plate, the supporting plate is fixedly connected to the inner side wall of the grain scattering mechanism through a supporting frame, a second rotating shaft is arranged in the cylinder, the upper part and the lower part of the second rotating shaft are connected with a rotating frame, and a cam component is arranged on the rotating frame; the grain guide bin consists of side plates fixed on the side wall of the dryer and is connected with a drying slideway below; the drying slide comprises an upper slide, a lower slide and a fixing piece. The invention uses the same power to make the tempering device and the throwing disc operate in accordance; through setting up the stoving slide of S-shaped in stoving mechanism for grain can be fully with hot-blast contact in each position of stoving slide, has further promoted the stoving effect, and has avoided the residual problem of grain in the inside of drying-machine.
Description
Technical Field
The invention belongs to the field of grain drying, and particularly relates to a slideway type grain dryer.
Background
With the improvement of grain seeds and the improvement of unit yield, the agriculture in China realizes the increase of production and income again and again, the problem of grain storage is more and more prominent, and in order to ensure the grain storage quality, the granary can carry out drying operation on grains to be stored or the grains stored, so as to prevent the problems of mildew and the like of the grains in the subsequent storage process, and the existing grain drying equipment is generally divided into the following four types.
The cross-flow grain dryer is a model which is first introduced in China, and is mostly of a cylindrical sieve-hole type or square tower sieve-hole type structure. The defects are that: the grain drying uniformity is poor, the unit heat consumption is high, the drying of multiple grains by one machine is limited, the quality of the grains after drying is difficult to meet the requirement, the inner and outer sieve holes are required to be cleaned frequently, and the like. The mixed flow dryer is a tower structure formed by staggered triangular or pentagonal boxes. Its advantage is compared with cross flow: the hot air is uniformly supplied, and the moisture content of the grain after drying is relatively uniform; the unit heat consumption is 5% -15%; under the same condition, the power of the required fan is small, and the unit consumption of the drying medium is also small; the variety of the dried grains is wide; is convenient to clean and is not easy to mix. The defects are that: the structure is complex, and the manufacturing cost is slightly high under the same production rate condition; a small portion of the grain at the four corners of the dryer is slowly precipitated. The downstream dryer is of a tower structure with a funnel type air inlet passage and an angle box air outlet passage combined, is suitable for drying grain crops and seeds with high moisture, and has the defects that: the structure is complex, and the manufacturing cost is close to or slightly higher than that of the mixed flow dryer; the grain layer has large thickness, the required high-pressure fan has large power and high price. The pure countercurrent dryer is rarely produced and used, and most of the pure countercurrent dryer is matched with other air flow dryers, namely, the pure countercurrent dryer is used for a cooling section of a concurrent flow dryer or a mixed flow dryer to form concurrent countercurrent dryer and mixed countercurrent dryer. The countercurrent cooling has the advantages that natural cooling wind energy is fully contacted with grains, the cooling speed can be increased, and the height of a cooling section is properly reduced. The concurrent and countercurrent, mixed and countercurrent dryer and the concurrent and countercurrent dryer respectively utilize the respective advantages to achieve high-temperature rapid drying, improve the drying capacity, not increase the unit heat consumption and ensure the uniform quality and moisture content of grains.
However, the dryer has the same disadvantage that grains fall down rapidly under the action of gravity during drying, so that tempering time of the grains and time for each drying are short, repeated drying is needed for many times, movement frequency of a lifter is increased, and integral drying time is prolonged.
Disclosure of Invention
In view of the above problems, the present invention provides a slideway type grain dryer, which comprises a grain scattering mechanism, a drying mechanism and a grain guiding bin communicated with the grain scattering mechanism and the drying mechanism;
the grain scattering mechanism comprises a throwing disc and a tempering device; the throwing disc is connected with the tempering device through a first rotating shaft;
the tempering device comprises a supporting plate and a cylinder above the supporting plate, wherein the supporting plate is fixedly connected to the inner side wall of the grain scattering mechanism through a supporting frame, a second rotating shaft is arranged in the cylinder, the upper part and the lower part of the second rotating shaft are connected with a rotating frame, and a cam component is arranged on the rotating frame;
the grain guide bin consists of side plates fixed on the side wall of the dryer and is connected with a drying slideway below;
the drying mechanism comprises a drying slide way, wherein the drying slide way comprises an upper slide way, a lower slide way and a fixing piece for fixing the upper slide way and the lower slide way.
Further, the first rotating shaft and the second rotating shaft are connected through a coupling; the shaft coupling comprises a first shaft sleeve and a second shaft sleeve, and a limit gasket is arranged between the first shaft sleeve and the second shaft sleeve; the upper end of the first shaft sleeve is connected with the throwing disc, and the lower end of the second shaft sleeve is connected with the tempering device.
Further, the throwing disc sequentially decreases towards the edge along the center, radially decreases towards the edge along the center, and an included angle of 30-50 degrees is formed between the edge of the throwing disc and the center.
Further, countersunk holes are uniformly distributed on the outer parts of the first shaft sleeve and the second shaft sleeve, an inner gear ring and a positioning hole are formed in the first shaft sleeve and the second shaft sleeve, and the inner gear ring is matched with an outer gear ring on the periphery of the rotating shaft.
Further, the support frame sets up a plurality ofly, and the equipartition is in the periphery of backup pad, backup pad below installation motor, the motor periphery sets up the safety cover.
Further, the swivel mount sets up a plurality ofly, and every swivel mount includes the crossbeam at vertically longeron and longeron both ends, and the crossbeam of upper end is connected with the upper portion of second pivot, and the crossbeam of lower extreme is connected with the lower part of second pivot, and contained angle between every crossbeam and the longeron is 100-150, and a plurality of the swivel mount evenly sets up in the circumferencial direction of second pivot.
Further, the cam assembly comprises a cam shaft, a connecting rod and a connecting piece; the cam shaft penetrates through the longitudinal beam, one end of the cam shaft is rotationally connected with the fan blade through a first connecting piece at one end of the fan blade, the other end of the cam shaft is rotationally connected with the connecting rod through a second connecting piece, the other end of the connecting rod is connected with the cam, and the cam and the inner groove are in matched motion.
Further, the inner grooves are arranged on the periphery of the cylinder, a plurality of inner grooves are arranged from top to bottom along the surface of the cylinder and are discontinuous, and the number of the inner grooves corresponds to the number of cam assemblies mounted on each longitudinal beam.
Further, the inside cavity setting that is of stoving slide, be equipped with the heating pipe in the cavity, the heating pipe is laid along slide extending direction, and the heating pipe is connected with the moisture detector electricity of installation on the stoving mechanism.
Further, the connection parts of the upper slide rail and the lower slide rail are not closely overlapped, and a hot air channel is reserved.
The invention has the beneficial effects that:
according to the grain tempering device, the tempering device is arranged below the throwing disc, and grains can be fully tempering under the action of the tempering device through the combination of the cam components; and can adsorb a part of dust in grains;
according to the invention, the tempering device and the throwing disc are integrally driven, so that the setting of power equipment is reduced, and the consistency of the operation of the tempering device and the throwing disc is maintained;
according to the invention, the S-shaped drying slide way is arranged in the drying mechanism, so that the residence time of grains in the drying mechanism is prolonged, the concentrated supply of hot air is also ensured, and the grains can be fully contacted with the hot air at each part of the drying slide way by introducing the hot air at the connection part of the inlet of the grain guide bin and the upper and lower slide ways, so that the drying effect is further improved, and the problem of residual grains in the dryer is avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing the overall structure of a dryer according to an embodiment of the present invention;
fig. 2 shows a schematic structural view of a coupling according to an embodiment of the present invention;
fig. 3 shows an enlarged schematic view of the portion a in fig. 1.
In the figure: 1. a throwing disc; 2. a coupling; 3. a rotating frame; 4. a support plate; 5. a grain guide bin; 6. a support frame; 7. a cam; 8. a cam shaft; 9. a fan blade; 10. a first connector; 11. a second connector; 12. a second rotating shaft; 13. an inner groove; 14. a connecting rod; 15. a cylinder; 16. a first rotating shaft; 17. drying the slideway; 171. a slide way is arranged; 172. a glidepath; 173. a fixing member; 21. a first sleeve; 22. a second sleeve; 23. an inner gear ring; 24. a countersunk hole; 25. a limit gasket; 26. and positioning holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
A slideway type grain dryer comprises a grain scattering mechanism, a drying mechanism below the grain scattering mechanism and a grain guide bin 5 communicated with the grain scattering mechanism and the drying mechanism.
The whole grain dryer generally comprises a lifting part and a drying part, wherein the lifting part comprises a feed hopper, a lifting machine and an upper auger, the feed hopper is arranged on one side of the lifting machine and is 50-80cm away from the ground, and is in butt joint with the lifting hopper inside. The lifting machine is used for conveying grains in the lifting hopper to the upper auger, then conveying the grains to the grain scattering mechanism by the upper auger, and scattering the grains to the inner part of the drying mechanism by the grain scattering mechanism to dry the grains. The drying part can be largely divided into a grain scattering mechanism and a drying mechanism.
Referring to fig. 1, the grain scattering mechanism is disposed above the drying mechanism, and grains conveyed by the upper auger are conveyed to the upper side of the grain scattering mechanism and uniformly thrown to the drying mechanism by the grain scattering mechanism. The grain scattering device comprises a throwing disc 1, wherein the throwing disc 1 sequentially reduces towards the edge along the center, and the edge of the throwing disc 1 forms an included angle of 30-50 degrees with the center. Illustratively, the throwing disc 1 can be round, and is radially reduced to a certain gradient along the center of the circle to the edge, so that the residence time of grains on the throwing disc 1 is reduced, and the surface of the throwing disc 1 is made of smooth steel so as to reduce friction between the grains and the throwing disc 1. The lower end of the throwing disc 1 is provided with a first rotating shaft 16, the first rotating shaft 16 is fastened with the second rotating shaft 12 into a whole through the coupler 2, and the lower part of the second rotating shaft 12 is connected with the tempering device, so that the tempering device and the throwing disc 1 keep the same rotating frequency.
Referring to fig. 2, the coupling 2 includes a first sleeve 21 and a second sleeve 22, and a limit washer 25 is provided between the first sleeve 21 and the second sleeve 22 to prevent positional deviation of the two shafts and also to prevent oil leakage of the coupling 2. The first shaft sleeve 21 refers to a rotating shaft of a part connected with the throwing disc 1, the lower part of the rotating shaft is connected with the tempering device, the second shaft sleeve 22 is connected with the tempering device, countersunk holes 24 are uniformly distributed at the outer edges of the first shaft sleeve 21 and the second shaft sleeve 22, the countersunk holes 24 are used for fixing the first shaft sleeve 21 and the second shaft sleeve 22 into a whole, and a fastener can be a screw. The inner gear ring 23 and the positioning holes 26 are arranged in the first shaft sleeve 21 and the second shaft sleeve 22, the inner gear ring 23 is matched with the outer gear ring arranged on the first rotating shaft 16 and the second rotating shaft 12 respectively, slipping between the first rotating shaft 16 and the second rotating shaft 12 and the shaft sleeves is avoided, a position is provided for fixing the first rotating shaft 16 and the second rotating shaft 12 by the positioning holes 26, and the part, extending out of the second shaft sleeve 22, of the second rotating shaft 12 is connected with a tempering device.
Referring to fig. 3, the second rotating shaft 12 is screwed into the cylinder 15 of the tempering device, and a gear ring is arranged in the cylinder 15 and is matched with an external gear ring outside the second rotating shaft 12, and optionally, the second rotating shaft 12 can also be fixedly connected. The tempering device further comprises a supporting plate 4, the supporting plate 4 is fixedly connected on the inner side wall of the tempering layer through a supporting frame 6, the surface size of the supporting plate 4 is the same as the bottom area of the cylinder 15, grain accumulation on the supporting plate 4 is avoided while the tempering device is supported, alternatively, in order to better support the tempering device, the surface area of the supporting plate 4 can be larger than the bottom area of the cylinder 15, but the whole shape of the tempering device can be changed into a middle high trend with low edges, the contact part between the middle and the cylinder 15 is flat, and the rest parts are in a reduced trend. The support frame 6 can set up a plurality of, and the equipartition is in the periphery of backup pad 4, backup pad 4 below installation motor, and the motor periphery sets up the safety cover.
The upper portion of the second rotating shaft 12 is provided with a plurality of rotating frames 3, each rotating frame 3 is composed of a vertical longitudinal beam and cross beams at two ends of the longitudinal beam, the cross beam at the upper end is connected with the upper portion of the second rotating shaft 12, the cross beam at the lower end is connected with the lower portion of the second rotating shaft 12, an included angle between each cross beam and each longitudinal beam is 100-150 degrees, and the rotating frames 3 are uniformly arranged in the circumferential direction of the second rotating shaft to ensure the rotating stability.
Referring to fig. 3, one or more cam assemblies are mounted on the longitudinal beam, the cam assemblies include a cam shaft 8, the cam shaft 8 penetrates through the longitudinal beam and extends to two sides, one end of the cam shaft 8 is rotatably connected with the fan blade 9 through a first connecting piece 10 at one end of the fan blade 9, the other end of the cam shaft 8 is rotatably connected with a connecting rod 14 through a second connecting piece 11, the other end of the connecting rod 14 is connected with a cam 7, and the cam 7 is matched with an inner groove 13. The inner grooves 13 are provided on the outer periphery of the cylinder 15, and the inner grooves 13 are provided in a plurality and discontinuous manner from top to bottom along the surface of the cylinder 15, the number of the inner grooves 13 corresponding to the number of cam members mounted on each side member. And the inner groove 13 is an irregular track groove, so that the track of the cam 7 in the inner groove 13 just can drive the connecting rod 14, and the rotating direction of the fan blade 9 always rotates towards one direction. The surface of the fan blade 9 is made of high-temperature-resistant rubber material, so that damage caused by grain contacting the fan blade 9 is reduced, and superfine fibers can be arranged on the surface of the fan blade 9 to adsorb dust in the grain. Illustratively, to prevent grain from falling into the inner trough 13 causing malfunction of the tempering device, the outer circumference of the cylinder 15 may be provided with a protective cover.
Preferably, the fan blade 9 can be driven to rotate in different directions by arranging different directions of the inner grooves 13 and the rotating shaft, so that grains can be better split.
Referring to fig. 1, the dispersed grains enter the drying mechanism through the grain guiding bin 5, the grain guiding bin 5 is composed of a plurality of side plates fixed on the inner wall of the dryer, the side plates form a funnel shape, the funnel-shaped lower opening faces to the inlet of the slideway, and the hot air inlet also faces to the inlet of the drying slideway 17.
The scattered grains fall into the slide way port of the drying mechanism through the grain guide bin 5, enter the drying slide way 17, the whole drying slide way 17 is S-shaped and is formed by combining a plurality of small-section curve slide ways, so that the installation difficulty of a large-scale slide way is avoided, and the slide way type can be automatically configured according to the requirement. The embodiment is described with an S-shaped slide formed by splicing two curved slides. The top of the upper slide 171 is connected with the lower part of the grain guide bin 5, the lower end is connected with the top of the lower slide 172 through a fixing piece 173, the fixing piece 173 comprises an embedded groove arranged at the bottom of the upper slide 171 and a bump arranged at the top of the lower slide 172, the connection is in an incomplete weight and state, a hot air inlet is reserved in the middle, and the hot air entering of a plurality of parts of the drying slide 17 is ensured. The S-shaped slide way prolongs the drying time of grains in the drying mechanism, so that the grains are dried more comprehensively, the length and the curvedness of the drying slide way 17 can be configured according to the height of the actual drying mechanism, the drying slide way 17 is arranged as a cavity, the self weight of the drying slide way 17 is reduced, a heating pipe is conveniently paved in the inner cavity of the drying slide way 17 along the extending direction of the slide way, the heating pipe is in linkage control with a moisture detector in the dryer, and when the moisture detector detects that the moisture content in the grains is too high, the heating pipe in the drying slide way 17 is opened while hot air is introduced so as to reduce the drying times of the grains, and multidirectional drying is realized.
Illustratively, the drying slide 17 is also a telescopic material which is set to be high temperature resistant, the middle part of the drying slide 17 is connected with a telescopic component, the telescopic component comprises a groove arranged on the side wall of the drying mechanism, a circle of slide is arranged in the groove, a reset spring is arranged in the slide, reset blocks are arranged at two ends of the spring, the upper ends of the reset blocks are connected with the middle part of the drying slide 17, and the whole telescopic device can be driven by power, so that the whole drying slide 17 can stretch up and down in the telescopic range of the spring under the driving of the power. Illustratively, the drying slide 17 may also be configured to move laterally, so that grains in the drying slide 17 can be dried in various directions, and the drying effect is better.
The working mode of the invention is as follows:
when the grain is dried, the grain is conveyed to the grain throwing disc 1 by the lifter, the switch is turned on, the first rotating shaft 16 and the second rotating shaft 12 simultaneously start to rotate, the grain throwing disc 1 above the first rotating shaft 16 and the cylinder 15 on the second rotating shaft 12 are driven to rotate, the cam 7 at the tail end of the connecting rod 14 is driven to move along the inner groove 13 at the periphery of the cylinder 15 along the track when the cylinder 15 rotates, so that the fan blades 9 connected with the other end of the connecting rod 14 rotate along the same direction, the grain thrown off from the grain throwing disc 1 is conveyed into the grain guide bin 5, dust in the grain is adsorbed, the grain directly falls into the drying slide way 17 after entering the grain guide bin 5, the grain is dried in the hot air circulation by the drying slide way 17, and finally the grain is conveyed out.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A slideway type grain dryer is characterized in that: the grain dryer comprises a grain scattering mechanism, a drying mechanism and a grain guide bin (5) communicated with the grain scattering mechanism and the drying mechanism;
the grain scattering mechanism comprises a throwing disc (1) and a tempering device; the throwing disc (1) is connected with the tempering device through a first rotating shaft (16);
the tempering device comprises a supporting plate (4) and a cylinder (15) above the supporting plate (4), wherein the supporting plate (4) is fixedly connected to the inner side wall of the grain scattering mechanism through a supporting frame (6), a second rotating shaft (12) is arranged in the cylinder (15), and the first rotating shaft (16) and the second rotating shaft (12) are connected through a coupler (2); the coupler (2) comprises a first shaft sleeve (21) and a second shaft sleeve (22), and a limit gasket (25) is arranged between the first shaft sleeve (21) and the second shaft sleeve (22); the upper end of the first shaft sleeve (21) is connected with the throwing disc (1), the lower end of the second shaft sleeve (22) is connected with the tempering device, countersunk holes (24) are uniformly distributed outside the first shaft sleeve (21) and the second shaft sleeve (22), an inner gear ring (23) and a positioning hole (26) are formed in the first shaft sleeve (21) and the second shaft sleeve (22), the inner gear ring (23) is matched with an outer gear ring on the periphery of the rotating shaft, the upper part and the lower part of the second rotating shaft (12) are connected with the rotating frame (3), a cam assembly is arranged on the rotating frame (3), and the cam assembly comprises a cam shaft (8), a connecting rod (14) and a connecting piece; the cam shaft (8) penetrates through the longitudinal beams, one end of the cam shaft (8) is rotationally connected with the fan blades (9) through a first connecting piece (10) at one end of each fan blade (9), the other end of the cam shaft (8) is rotationally connected with a connecting rod (14) through a second connecting piece (11), the other end of the connecting rod (14) is connected with a cam (7), the cam (7) moves in a matched mode with an inner groove (13), the inner groove (13) is arranged on the periphery of the cylinder (15), a plurality of inner grooves (13) are arranged from top to bottom and are discontinuous along the surface of the cylinder (15), the number of the inner grooves (13) corresponds to the number of cam assemblies arranged on each longitudinal beam, and the fan blades (9) rotate along with the rotation of a first rotating shaft (16) and a second rotating shaft (12);
the grain guide bin (5) consists of side plates fixed on the side wall of the dryer and is connected with a drying slideway (17) below;
the drying mechanism comprises a drying slide (17), and the drying slide (17) comprises an upper slide (171), a lower slide (172) and a fixing piece (173) for connecting the upper slide (171) and the lower slide (172).
2. The chute type grain dryer as claimed in claim 1, wherein:
the swinging plate (1) sequentially decreases towards the edge along the center, radially decreases towards the edge along the center, and an included angle of 30-50 degrees is formed between the edge of the swinging plate (1) and the center.
3. The chute type grain dryer as claimed in claim 1, wherein:
the support frame (6) sets up a plurality ofly, and the equipartition is in the periphery of backup pad (4), install the motor below backup pad (4), the motor periphery sets up the safety cover.
4. The chute type grain dryer as claimed in claim 1, wherein:
the rotating frames (3) are arranged in a plurality, each rotating frame (3) comprises a vertical longitudinal beam and cross beams at two ends of the longitudinal beam, the cross beams at the upper end are connected with the upper portion of the second rotating shaft (12), the cross beams at the lower end are connected with the lower portion of the second rotating shaft (12), the included angle between each cross beam and each longitudinal beam is 100-150 degrees, and the rotating frames (3) are uniformly arranged in the circumferential direction of the second rotating shaft.
5. The chute type grain dryer as claimed in claim 1, wherein:
the inside cavity setting that is of stoving slide (17), be equipped with the heating pipe in the cavity, the heating pipe is laid along slide extending direction, and the heating pipe is connected with the moisture detector electricity of last installation of stoving mechanism.
6. The chute type grain dryer as claimed in claim 1, wherein:
the joint of the upper slide rail (171) and the lower slide rail (172) is not closely overlapped, and a hot air channel is reserved.
Priority Applications (1)
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| CN114593589A (en) | 2022-06-07 |
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Effective date of registration: 20231121 Address after: 400000 Friendship Road, Pengshui Industrial Park, Pengshui Miao and Tujia Autonomous County, Chongqing Applicant after: Pengshui County Grain Co., Ltd., Chongqing Grain Group Address before: 231200 intersection of Paihe Avenue and Hudong Road, Feixi County, Hefei City, Anhui Province Applicant before: HEFEI SANWU MECHANICAL Co.,Ltd. |
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