Threshing and screening integrated device for grain treatment
Technical Field
The invention relates to the technical field of grain treatment devices, in particular to a threshing and screening integrated device for grain treatment.
Background
The grain is one of main food sources of human beings, and after the grain is ripe and harvested, the husk of the grain needs to be removed by using a thresher, the working principle of the thresher is that the husk of the grain is separated from the edible part by friction and the like, and the husk generated by threshing is separated from the grain by means of high-speed flowing air.
The above and related art have the following drawbacks: when the threshing machine is used, the bran produced by threshing is separated from the grains by utilizing the air flowing at high speed, so that the bran is discharged out of the threshing machine along with the air flowing at high speed, and the scattering distribution range of the bran is larger, so that the bran is inconvenient to clean and collect subsequently.
For this purpose, we propose a threshing and screening integrated device for grain treatment.
Disclosure of Invention
The invention aims to provide a threshing and screening integrated device for grain treatment, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a threshing and screening integrated device for grain processing, includes the shell, the inner wall of shell rotates and is connected with threshing cylinder, the outer wall fixedly connected with driving motor of shell, driving motor's output and threshing cylinder fixed connection, the upper end fixedly connected with feeder hopper of shell, the inner wall fixedly connected with of shell is just screen cloth, the fixed intercommunication in bottom center department of shell has the guide hopper, just screen cloth is located between threshing cylinder and the guide hopper, still includes: the filtering structure is arranged at the lower end of the guide hopper and used for preventing bran from being blown off and being difficult to collect, and comprises a conveying pipe which is fixed with the guide hopper and communicated with the guide hopper, a filtering frame used for filtering out bran from air, and a plugging plate used for enabling the bran to fall off; the auxiliary structure is arranged on the inner wall of the feed hopper and used for limiting the sprinkling position of grains and bran, and comprises a rectangular plate which is in sliding connection with the inner wall of the feed hopper and a plurality of through holes for limiting the sprinkling position of the grains after threshing; the limiting structure is arranged on the lower surface of the conveying pipe and used for limiting the position of the woven bag for collecting bran, and comprises a circular ring fixedly arranged on the lower surface of the conveying pipe, steel nails and trapezoid blocks, wherein the steel nails and the trapezoid blocks are used for mutually matching and fixing the woven bag.
The components achieve the following effects: through setting up filtration, after threshing cereal, can filter the bran in the air with the help of the filter frame, can make the bran rely on self gravity to drop under the cooperation of shutoff board simultaneously, thereby avoid the bran to be blown the condition emergence that flies, conveniently follow-up collect the bran, through setting up auxiliary structure, at cereal and bran along the in-process of sliding in the guide hopper, can restrict the unrestrained position of cereal and bran with the help of the through-hole on rectangular plate surface, thereby make things convenient for follow-up to blow off the bran from cereal, and then improved the efficiency of getting rid of the bran, through setting up limit structure, when the bran of filtering is collected to the needs use the braided bag, with the help of steel nail and trapezoidal piece cooperation with the position restriction of braided bag on the ring, prevent the condition emergence of braided bag landing, thereby do not need the manual work to carry the braided bag always, guarantee that the braided bag can normally collect the bran.
Preferably, the lower fixed surface of conveyer pipe and intercommunication have row material pipe, the lateral wall fixedly connected with fan of conveyer pipe, the exhaust end and the conveyer pipe of fan are linked together, the inner wall fixedly connected with servo motor of shell, servo motor's output fixedly connected with transfer line, the lower extreme and the filter frame fixed connection of transfer line, the filter frame is located the conveyer pipe, shutoff board fixed connection is on the bottom inner wall of conveyer pipe, shutoff board activity extends to the inside of filter frame to laminate mutually with the inner wall of filter frame, a plurality of groups of filtration pore have been seted up to the surface of filter frame.
Preferably, the cross section of the inner ring of the filter frame is circular, the cross section of the outer ring of the filter frame is wavy, the wave crest of the filter frame is contacted with the inner wall of the conveying pipe, each group of filter holes are arranged on the side surface of the wave crest of the filter frame, each group of filter holes are communicated with the inside of the filter frame, the inner wall of the wave crest of the filter frame is embedded with a separation plate, each group of adjacent filter holes are separated by the separation plate, and the position, close to the plugging plate, of the bottom of the conveying pipe is provided with a yielding hole.
The components achieve the following effects: when the bran follows the air to flow along the conveying pipe, the bran and the air can be contacted with the filter frame, at the moment, the filter holes on the surface of the filter frame can enable the air to pass through, the bran can be attached to the surface of the filter frame, and in the process that the filter frame follows the transmission rod to rotate, after the isolation plate is contacted with the plugging plate, an air channel cannot be formed by the filter holes on the isolation plate, so that the bran accumulated at the isolation plate can drop downwards under the influence of self gravity and is discharged through the yielding holes, and the condition that the bran is blown off is avoided; the cross section of the outer ring of the filter frame is wavy, so that bran can be blown into the trough of the surface of the filter frame, and the condition that air cannot flow into the filter holes due to the plugging of the filter frame by the bran is prevented.
Preferably, four scrapers are penetrated through the side wall of the conveying pipe in a sliding way, and a first spring is fixedly connected between the outer side end of each scraper and the outer surface of the conveying pipe.
Preferably, the inner ends of the four scraping plates are contacted with the outer surface of the filter frame, and the heights of the four scraping plates gradually decrease from one side close to the fan to one side far away from the fan.
The components achieve the following effects: the first spring can make the scraper blade can support the surface at the filter frame all the time with the help of self elasticity, and the scraper blade can scrape off the bran that the filter frame surface is attached, and because four scraper blades highly descend gradually from one side that is close to the fan to one side that keeps away from the fan, in the bran that consequently filter frame surface is interior to be deposited in the same trough, the bran that is located the top can be scraped off by the scraper blade earlier, scrapes off the bran through top-down's segmentation, can avoid the bran to cause the condition of jam in-process that slides between filter frame and conveyer pipe.
Preferably, the through hole is set up on the surface of rectangular plate, a side wall of guide hopper slides and runs through there is the connecting plate, the lower fixed surface of connecting plate is connected with the second spring, the one end and the guide hopper fixed connection of second spring, the one end upper surface fixedly connected with lug of connecting plate, the outside fixedly connected with mounting panel of transfer line, the fixed surface of mounting panel is connected with the arc, the arc is used for rotatory extrusion lug horizontal migration, the fixed frame of lower fixed surface of rectangular plate is connected with, the inside unidirectional rotation of fixed frame is connected with the swivel plate, the one end that the connecting plate is close to the rectangular plate is provided with the fluting, the bottom activity of swivel plate runs through the fluting, just a side that the lug was kept away from to the swivel plate sets up to the inclined plane.
The components achieve the following effects: cereal and bran can drop the top of rectangular plate along the guide hopper inner wall, then cereal and bran can drop through the through-hole, the transfer line rotates and can drive the mounting panel and rotate, the mounting panel rotates and can drive the arc and remove, the arc removes and can be contacted with the lug, the arc can extrude the lug this moment, make the lug remove to the direction that is close to the transfer line, the lug removes and can drive the connecting plate and slide in the guide hopper, the connecting plate slides and can contact with the inclined plane of change over plate, because the plane lateral wall of change over plate offsets with the inner wall of fixed frame and presses, so can not rotate, the connecting plate can extrude the change over plate and make the change over plate upwards slide, the change over plate slides and can drive fixed frame and remove, the fixed frame removes and can drive the rectangular plate and slide along the inner wall of guide hopper, the connecting plate slides and can also stretch the second spring, make the second spring be in by extension state, after the inclined plane of connecting plate and change over plate break away from the contact with the lug, thereby the connecting plate can be contacted with the change over plate again with the direction of change over plate, the speed that drops of change over plate is fast, the speed of dropping of cereal and bran can begin shrink simultaneously, the pulling force of connecting plate can keep away from the direction of transfer lever by means of the second spring.
Preferably, the plurality of through holes are distributed on the surface of the rectangular plate in a V shape.
The components achieve the following effects: because a plurality of through-hole is "V" shape and distributes on the surface of rectangular plate, can exist the gap between cereal and the bran that consequently drops through different through-holes, make fan exhaust high-speed mobile air and cereal and bran's area of contact grow to conveniently blow off the bran from cereal, and make things convenient for the air to drive the bran to flow to the filter frame from the gap.
Preferably, the inner wall of the guide hopper is fixedly connected with a positioning block, and the positioning block is positioned below the rectangular plate.
The components achieve the following effects: the rectangular plate slides and can contact with the locating block, and the locating block reaches the effect of restriction rectangular plate's position.
Preferably, the ring is communicated with the inside of the abdication hole, the support rod is fixedly connected to the outside of the ring, the sliding ring is connected to the surface of the support rod in a sliding manner, the bending plate is fixedly connected to the outside of the sliding ring, the steel nails are fixedly arranged on the surface of the bending plate, the trapezoid blocks are fixedly arranged on the arc surface of the ring, and the steel nails are connected with the trapezoid blocks in a clamping manner.
The components achieve the following effects: the woven bag is sleeved on the circular ring and slides upwards along the circular arc of the circular ring, the woven bag slides to be in contact with the bending plate firstly, when the woven bag slides along the inclined plane of the trapezoid block, the bending plate can drive the sliding ring to slide along the surface of the supporting rod, the bending plate slides to enable the steel nail to slide out of the trapezoid block, after the woven bag is sleeved on the plane of the trapezoid block, the steel nail penetrates through the woven bag to be inserted into the trapezoid block, and at the moment, the position of the woven bag can be limited by matching the steel nail with the trapezoid block, so that the woven bag can be ensured to collect bran normally.
Preferably, the surface of the support rod is sleeved with a third spring, and two ends of the third spring are fixedly connected with the slip ring and the support rod respectively.
The components achieve the following effects: when the third spring stretches, the sliding ring can slide by means of the tension of the third spring, the third spring is convenient for the sliding ring to reset, and meanwhile the steel nails are prevented from sliding out of the trapezoid blocks.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the filtering structure is arranged, after grains are threshed, bran in the air can be filtered by means of the filtering frame, and the bran can fall off by means of self gravity under the cooperation of the plugging plate, so that the condition that the bran is blown off is avoided, and the bran is convenient to collect subsequently.
2. According to the invention, by arranging the auxiliary structure, in the process that grains and bran slide in the guide hopper, the sprinkling positions of the grains and the bran can be limited by virtue of the through holes on the surface of the rectangular plate, so that the bran can be conveniently blown out of the grains, and the bran removing efficiency is improved.
3. According to the invention, the limit structure is arranged, when the woven bag is required to collect filtered bran, the position of the woven bag is limited on the circular ring by means of the cooperation of the steel nails and the trapezoid blocks, so that the woven bag is prevented from slipping off, the woven bag is not required to be lifted all the time, and the woven bag is ensured to collect the bran normally.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partially disassembled structure at the housing of the present invention;
FIG. 3 is a schematic view of the structure of the present invention at the housing;
FIG. 4 is a schematic view of the structure of the guide hopper of the present invention;
FIG. 5 is a schematic view of the structure of the servo motor of the present invention;
FIG. 6 is a schematic cross-sectional view of a delivery tube according to the present invention;
FIG. 7 is a schematic view of another angle of the guide hopper of the present invention;
FIG. 8 is a schematic cross-sectional view of a guide hopper according to the present invention;
FIG. 9 is a schematic partial structure of the auxiliary structure of the present invention;
FIG. 10 is a schematic view of the partial structure of FIG. 4 according to the present invention;
fig. 11 is a schematic cross-sectional view of a rectangular plate according to the present invention.
In the figure: 1. a housing; 2. a threshing cylinder; 3. a driving motor; 4. a feed hopper; 5. a primary screen; 6. a guide hopper; 7. a filtering structure; 701. a delivery tube; 702. a discharge pipe; 703. a blower; 704. a servo motor; 705. a transmission rod; 706. a filter frame; 707. filtering holes; 708. a plugging plate; 709. a scraper; 710. a first spring; 711. a relief hole; 712. a partition plate; 8. an auxiliary structure; 801. a rectangular plate; 802. a through hole; 803. a connecting plate; 804. a bump; 805. a mounting plate; 806. an arc-shaped plate; 807. a fixed frame; 808. a rotating plate; 809. a second spring; 810. a positioning block; 9. a limit structure; 91. a circular ring; 92. a support rod; 93. a slip ring; 94. a bending plate; 95. steel nails; 96. a trapezoid block; 97. and a third spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-11, the present invention provides a technical solution: a threshing and screening integrated device for grain processing comprises a housing 1, wherein the inner wall of the housing 1 is rotationally connected with a threshing cylinder 2, the outer wall of the housing 1 is fixedly connected with a driving motor 3, the output end of the driving motor 3 is fixedly connected with the threshing cylinder 2, the upper end of the housing 1 is fixedly connected with a feed hopper 4, the inner wall of the housing 1 is fixedly connected with a primary screen 5, the center of the bottom of the housing 1 is fixedly communicated with a guide hopper 6, the primary screen 5 is positioned between the threshing cylinder 2 and the guide hopper 6, and the threshing integrated device further comprises: a filtering structure 7 arranged at the lower end of the guide hopper 6 and used for preventing bran from being blown off and being difficult to collect, wherein the filtering structure 7 comprises a conveying pipe 701 fixed and communicated with the guide hopper 6, a filtering frame 706 used for filtering bran from air, and a plugging plate 708 used for dropping the bran; the auxiliary structure 8 is arranged on the inner wall of the feed hopper 4 and used for limiting the sprinkling position of grains and bran, and the auxiliary structure 8 comprises a rectangular plate 801 which is in sliding connection with the inner wall of the feed hopper 4 and a plurality of through holes 802 used for limiting the sprinkling position of the grains after threshing; the limiting structure 9 is arranged on the lower surface of the conveying pipe 701 and used for limiting the position of the woven bag for collecting bran, and the limiting structure 9 comprises a circular ring 91 fixedly arranged on the lower surface of the conveying pipe 701, steel nails 95 and trapezoid blocks 96 which are used for mutually matching and fixing the woven bag.
The specific arrangement and function of the filtering structure 7, the auxiliary structure 8 and the limiting structure 9 will be described in detail below.
As shown in fig. 4-8, the lower surface of the conveying pipe 701 is fixed and communicated with a discharge pipe 702, the side wall of the conveying pipe 701 is fixedly connected with a fan 703, the exhaust end of the fan 703 is communicated with the conveying pipe 701, the inner wall of the housing 1 is fixedly connected with a servo motor 704, the output end of the servo motor 704 is fixedly connected with a transmission rod 705, the lower end of the transmission rod 705 is fixedly connected with a filter frame 706, the filter frame 706 is positioned in the conveying pipe 701, a blocking plate 708 is fixedly connected to the inner wall of the bottom of the conveying pipe 701, the blocking plate 708 movably extends to the inside of the filter frame 706 and is attached to the inner wall of the filter frame 706, a plurality of groups of filter holes 707 are formed in the surface of the filter frame 706, the cross section of the inner ring of the filter frame 706 is circular, the wave-shaped outer ring of the filter frame 706 has wave peaks contacting the inner wall of the conveying pipe 701, each group of filter holes 707 are arranged on the side of the wave peaks of the filter frame 706, each group of filter holes 707 are communicated with the inside of the filter frame 706, the inner walls of wave crests of the filter frames 706 are embedded with isolation plates 712, each group of adjacent filter holes 707 are separated by the isolation plates 712, a yielding hole 711 is formed at the bottom of the conveying pipe 701 near the plugging plate 708, when bran follows air to flow along the conveying pipe 701, the bran and the air can contact the filter frames 706, at the moment, the filter holes 707 on the surfaces of the filter frames 706 can enable the air to pass through, the bran can be attached to the surfaces of the filter frames 706, in the process that the filter frames 706 follow the rotation of the transmission rods 705, after the isolation plates 712 contact with the plugging plate 708, the filter holes 707 on the isolation plates 712 can not form an air flue, so the bran accumulated at the position can drop downwards under the influence of self gravity and be discharged through the yielding hole 711, the condition that the bran is blown off is avoided, because the cross section of the outer ring of the filter frames 706 is waved, the bran can be blown into the wave troughs on the surfaces of the filter frames 706, thereby preventing the bran from blocking the filter frame 706 and preventing air from flowing into the filter holes 707; four scrapers 709 are penetrated through the side wall of the conveying pipe 701 in a sliding way, and a first spring 710 is fixedly connected between the outer side end of each scraper 709 and the outer surface of the conveying pipe 701; the inner ends of the four scrapers 709 are contacted with the outer surface of the filter frame 706, the first springs 710 can enable the scrapers 709 to be always abutted against the surface of the filter frame 706 by means of self elasticity, and the scrapers 709 can scrape off bran attached to the surface of the filter frame 706; the height of the four scraping plates 709 gradually descends from one side close to the fan 703 to one side far away from the fan 703, and as the height of the four scraping plates 709 gradually descends from one side close to the fan 703 to one side far away from the fan 703, bran positioned above among bran stored in the same trough on the surface of the filter frame 706 can be scraped off by the scraping plates 709, and the bran is scraped off by the sections from top to bottom, so that the condition that the bran is blocked in the process of sliding between the filter frame 706 and the conveying pipe 701 can be avoided.
As shown in fig. 5, 8, 9 and 11, the through hole 802 is formed on the surface of the rectangular plate 801, a side wall of the guide hopper 6 is slidably penetrated by a connecting plate 803, the lower surface of the connecting plate 803 is fixedly connected with a second spring 809, one end of the second spring 809 is fixedly connected with the guide hopper 6, the upper surface of one end of the connecting plate 803 is fixedly connected with a bump 804, the outside of the transmission rod 705 is fixedly connected with a mounting plate 805, the surface of the mounting plate 805 is fixedly connected with an arc plate 806, the arc plate 806 is used for rotationally extruding the bump 804 to horizontally move, the lower surface of the rectangular plate 801 is fixedly connected with a fixing frame 807, the inside of the fixing frame 807 is unidirectionally rotated and connected with a rotating plate 808, one end of the connecting plate 803 close to the rectangular plate 801 is provided with a slot, the bottom end of the rotating plate 808 is movably penetrated by the slot, one side surface of the rotating plate 808 away from the bump 804 is provided with an inclined plane, grains and bran can fall onto the upper part of the rectangular plate 801 along the inner wall of the guide hopper 6, then the grains and bran fall through the through holes 802, the transmission rod 705 rotates to drive the mounting plate 805 to rotate, the mounting plate 805 rotates to drive the arc plate 806 to move, the arc plate 806 moves to be in contact with the protruding block 804, at the moment, the arc plate 806 can squeeze the protruding block 804 to enable the protruding block 804 to move towards the direction close to the transmission rod 705, the protruding block 804 moves to drive the connecting plate 803 to slide along the guide hopper 6, the connecting plate 803 slides to be in contact with the inclined surface of the rotating plate 808, the rotating plate 808 is extruded by the connecting plate 803 to enable the rotating plate 808 to slide upwards because the plane side wall of the rotating plate 808 is propped against the inner wall of the fixing frame 807, the fixing frame 807 moves to drive the rectangular plate 801 to slide along the inner wall of the guide hopper 6, the connecting plate 803 slides to stretch the second spring 809 to enable the second spring 809 to be in a stretched state, when the connecting plate 803 is separated from the inclined surface of the rotating plate 808, the rectangular plate 801 slides downwards rapidly, so that the falling speed of grains and bran is increased, meanwhile, the second spring 809 starts to shrink, the connecting plate 803 slides in a direction away from the transmission rod 705 by means of the tension of the second spring 809, the connecting plate 803 slides to be contacted with the plane of the rotating plate 808, at the moment, the connecting plate 803 can extrude the rotating plate 808, the rotating plate 808 can rotate along the fixed frame 807, and when the rotating plate 808 is separated from the connecting plate 803, the rotating plate 808 can rotate in the opposite direction under the influence of gravity of the rotating plate 808 to reset, so that the connecting plate 803 can extrude the rotating plate 808 next time; the through holes 802 are distributed on the surface of the rectangular plate 801 in a V shape, and as the through holes 802 are distributed on the surface of the rectangular plate 801 in a V shape, gaps exist between grains and bran dropped through different through holes 802, so that the contact area between high-speed flowing air discharged by the fan 703 and the grains and the bran becomes large, the bran can be conveniently blown out from the grains, and the bran can be conveniently driven by the air to flow to the filter frame 706 from the gaps; the inner wall of the guide hopper 6 is fixedly connected with a positioning block 810, the positioning block 810 is positioned below the rectangular plate 801, the rectangular plate 801 slides to be contacted with the positioning block 810, and the positioning block 810 achieves the effect of limiting the position of the rectangular plate 801.
As shown in fig. 10, the ring 91 is communicated with the inside of the abdication hole 711, the outside of the ring 91 is fixedly connected with a support rod 92, the surface of the support rod 92 is slidably connected with a slip ring 93, the outside of the slip ring 93 is fixedly connected with a bending plate 94, steel nails 95 are fixedly arranged on the surface of the bending plate 94, a trapezoid block 96 is fixedly arranged on the arc surface of the ring 91, the steel nails 95 are in clamping connection with the trapezoid block 96, a woven bag is sleeved on the ring 91 and slides upwards along the arc surface of the ring 91, the woven bag slides and can be contacted with the bending plate 94 first, when the woven bag slides along the inclined surface of the trapezoid block 96, the bending plate 94 can drive the slip ring 93 to slide along the surface of the support rod 92, the bending plate 94 also can enable the steel nails 95 to slide out from the trapezoid block 96, when the woven bag is sleeved on the plane of the trapezoid plate, the steel nails 95 penetrate through the woven bag and are inserted into the trapezoid block 96, and the position of the woven bag can be limited by matching the steel nails 95 with the trapezoid block 96 at the moment, and the woven bag can be ensured to normally collect bran; the surface cover of bracing piece 92 has third spring 97, and third spring 97's both ends respectively with sliding ring 93 and bracing piece 92 fixed connection, and when third spring 97 stretched, sliding ring 93 can slide with the help of third spring 97's tension, and third spring 97 reaches the condition that makes things convenient for sliding ring 93 to reset, prevents simultaneously that steel nail 95 from sliding out from trapezoidal piece 96 from taking place.
Working principle: when grains are required to be threshed, the grains are poured into the shell 1 through the feed hopper 4, then the driving motor 3 is started, the output end of the driving motor 3 rotates to drive the threshing cylinder 2 to rotate, the threshing cylinder 2 can thresh the grains by means of friction force, the threshed grains and bran coat can fall into the guide hopper 6 through the primary screen 5, then the servo motor 704 and the fan 703 are started, the grains and bran coat can fall above the rectangular plate 801 along the inner wall of the guide hopper 6, then the grains and bran coat can fall through the through holes 802, as a plurality of through holes 802 are distributed on the surface of the rectangular plate 801 in a V shape, gaps exist between the grains and bran coat which fall through different through holes 802, the contact area between the high-speed flowing air discharged by the fan 703 and the grains and bran coat is enlarged, so that the bran coat can be blown out of the grains conveniently, and the bran coat can be conveniently driven by air to flow into the filter frame 706 from the gaps, the grains are discharged through the discharge pipe 702, during the operation of the servo motor 704, the output end of the servo motor 704 drives the transmission rod 705 to rotate, the transmission rod 705 rotates to drive the mounting plate 805 to rotate, the mounting plate 805 rotates to drive the arc plate 806 to move, the arc plate 806 moves to be in contact with the protruding block 804, at the moment, the arc plate 806 presses the protruding block 804 to enable the protruding block 804 to move towards the direction close to the transmission rod 705, the protruding block 804 moves to drive the connecting plate 803 to slide along the inside of the guide hopper 6, the connecting plate 803 slides to be in contact with the inclined surface of the rotating plate 808, the plane side wall of the rotating plate 808 is propped against the inner wall of the fixed frame 807 to prevent rotation, the connecting plate 803 presses the rotating plate 808 to enable the rotating plate 808 to slide upwards, the rotating plate 808 slides to drive the fixed frame 807 to move, the fixed frame 807 moves to drive the rectangular plate 801 to slide along the inner wall of the guide hopper 6, the connecting plate 803 slides and still can stretch the second spring 809, make the second spring 809 be in by tensile state, after the inclined plane of connecting plate 803 and rotating plate 808 breaks away from the contact, the rectangular plate 801 slides downwards fast, thereby accelerate cereal and bran's dropping speed, the rectangular plate 801 slides and can be contacted with locating piece 810, locating piece 810 reaches the effect of restriction rectangular plate 801's position, simultaneously second spring 809 begins to shrink, connecting plate 803 can slide to the direction of keeping away from transfer line 705 with the pulling force of second spring 809, connecting plate 803 slides and can be contacted with the plane of rotating plate 808, at this moment connecting plate 803 can extrude rotating plate 808, rotating plate 808 can rotate along fixed frame 807, after rotating plate 808 breaks away from the contact with connecting plate 803, rotating plate 808 receives self gravity influence and can reverse direction rotation and reset, thereby make things convenient for connecting plate 803 to extrude rotating plate 808 next time, consequently, along with servo motor 704 continuous operation, rectangular plate 801 can also continuously slide along vertical direction reciprocal, thereby accelerate cereal and bran's dropping speed.
When bran and air flow along the conveying pipe 701, bran and air can contact with the filter frame 706, at this time, the filter holes 707 on the surface of the filter frame 706 can enable air to pass through, and bran can adhere to the surface of the filter frame 706, as the cross section of the outer ring of the filter frame 706 is wavy, bran can be blown into the trough of the surface of the filter frame 706, thereby preventing the condition that the bran blocks the filter frame 706 to block so that air cannot flow into the filter frame 706, in the process that the filter frame 706 follows the transmission rod 705 and rotates, after the separator 712 contacts with the sealing plate 708, as the peak of the filter frame 706 contacts with the inner wall of the conveying pipe 701, and each group of filter holes 707 are adjacent and are not communicated, only through the inside of the filter frame 706, so that the filter holes 707 at the separator 712 can not form an air channel, and the bran accumulated at this place can drop downwards due to the influence of self gravity, and can be discharged through the position holes 711, thereby avoiding the condition that the bran is blown off, simultaneously, four scrapers 709 can contact with the filter frame 706 successively, as the four scrapers 709 gradually fall from one side close to the fan 706, and the filter frame 706 can not be contacted with the filter frame 706, and the filter frame 706 can not be normally and the same as the filter frame 706 is always in the position of the filter frame 706, and the filter frame 706 can be always contacted with the filter frame 706, and the filter frame 706 can be always and the filter frame 706, and the filter frame 706 can be always kept down, and the same.
When a woven bag (not shown in the figure) is required to be used for collecting filtered bran, the woven bag is sleeved on the circular ring 91 and slides upwards along the circular arc of the circular ring 91, the woven bag slides to be in contact with the bent plate 94, when the woven bag slides along the inclined plane of the trapezoid block 96, the bent plate 94 drives the sliding ring 93 to slide along the surface of the supporting rod 92, the sliding ring 93 slides to squeeze the third spring 97, the bent plate 94 slides to enable the steel nail 95 to slide out of the trapezoid block 96, after the woven bag is sleeved on the plane of the trapezoid plate, the sliding ring 93 can drive the bent plate 94 to move towards the direction close to the circular ring 91 by means of the tension of the third spring 97, the bent plate 94 slides to enable the steel nail 95 to penetrate through the woven bag to be inserted into the trapezoid block 96, and at the moment, the position of the woven bag can be limited by matching the steel nail 95 with the trapezoid block 96, and the bran can be normally collected by the woven bag.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.