Anti-blocking screening device
Technical Field
The invention relates to the technical field of crop processing, in particular to an anti-blocking screening device.
Background
The agricultural product processing is a production activity of making main and side products of agriculture into various foods or other products by using physical, chemical and biological methods, is an important link of agricultural products from the production field to the consumption field, and the crops need to be screened according to the size of the processed products before being processed into the agricultural products, and can be separately processed and sold.
At present, in the existing screening device for processing crops, crop particles close to the diameters of the sieve holes in the sieve screen are easily clamped at the tops of the sieve holes in the screening process of the crops, the sieve screen is easily blocked, the normal screening work of the screening device on the crop particles is influenced, and the production efficiency is reduced.
Therefore, it is necessary to provide an anti-clogging screening device to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an anti-blocking screening device to solve the problem that particles are easy to block a filter screen in the screening process of crops in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-blocking screening device comprises a processing barrel, wherein a circular ring slide rail is fixedly connected to the top of the inner wall of the processing barrel, a screening box is uniformly connected to the top of the inner wall of the processing barrel and is positioned in the processing barrel in a surrounding manner, a bearing shaft penetrates through the inner ring of the circular ring slide rail, a feed inlet is formed in one side, close to the bearing shaft, of the top of the screening box, a connecting seat is fixedly connected to the surface of the bearing shaft, is positioned at the top of the bearing shaft and is positioned at one side of the feed inlet, the top of the connecting seat is slidably connected with the circular ring slide rail through a ball, a mounting groove is formed in one side, close to the bearing shaft, of the screening box, teeth are uniformly and fixedly connected to the surface of the bearing shaft and is positioned in the mounting groove from top to bottom, a mounting plate is hinged to the bottom, the back of the screening groove is fixedly connected with a filter screen, the surface of the articulated shaft is fixedly connected with a gear on one side of the teeth, the gear is meshed with the teeth, the surface of the bearing shaft is uniformly and fixedly connected with a limiting rod below the screening box, first elastic elements are sleeved between two sides of the top of the limiting rod and two sides of the bottom of the screening box, the top of the limiting rod is positioned between two opposite sides of the first elastic elements, a limiting shaft is uniformly and fixedly connected from left to right, a limiting groove is uniformly formed in the bottom of the screening box and right above the limiting shaft, the top end of the limiting shaft penetrates into the screening box through the limiting groove, the inner surface of the processing barrel is fixedly connected with a material receiving plate below the limiting rod, a discharge port is formed in the surface of the processing barrel and one side of the material receiving plate, the top of processing bucket is through two fixing base fixedly connected with feeder hoppers, the bottom of feeder hopper just is located one the intercommunication has the inlet pipe directly over the feed inlet, the bottom of inlet pipe runs through the processing bucket and extends to the inside of processing bucket, the screening incasement wall is close to one side of bearing axle and is located the below fixedly connected with fixed plate of mounting panel, the adhesion has the gasbag between the top of fixed plate and the bottom of mounting panel, the bottom of gasbag communicates the intake pipe, the bottom of intake pipe runs through the fixed plate and extends to the below of fixed plate, the surface of intake pipe just is located the below fixed mounting of fixed plate and has the check valve that admits air, it is equipped with the second elastic element to lie in the gasbag and keep away from one side cover of filter screen between the top of fixed plate and the bottom of mounting panel, the top intercommunication of gasbag has the outlet duct, the top of outlet duct runs through the, the surface of outlet duct has the air jet pipe in the past to the back and the even intercommunication in inside that is located the mounting panel, the inside fixed mounting that the surface of outlet duct just is located the gasbag has the check valve of giving vent to anger.
Preferably, the surface of screening case contacts with the internal surface of processing bucket, the inside slide of ring slide rail is the undulate wave of height, the minimum trough of the inside slide of ring slide rail is located one directly over the screening case, the bearing shaft contacts with the screening case.
Preferably, one side that the articulated shaft was kept away from to the mounting panel contacts with the internal surface of screening case, the equal fixedly connected with base in both sides of processing barrel head portion, fixed plate slope fixed connection just is located the below of mounting panel in one side of screening incasement wall, the one end that jet-propelled pipe kept away from the outlet duct runs through the inside that the mounting panel just extended to the screening groove, jet-propelled pipe is located the top of filter screen.
Preferably, the bearing shaft is connected with the rotation of processing bucket, the gag lever post is installed under two screening bottom of the case sides, the inside of the gasbag of intaking is up inhaled from down to the check valve gas flow direction of admitting air, the inside gas of the discharge gasbag of giving vent to anger from down up to the check valve gas flow direction of giving vent to anger from down.
Preferably, the limiting shaft slides in the limiting groove to limit the screening box.
Preferably, the material receiving plate is fixedly connected to the inner surface of the processing barrel and is positioned right below the screening box below the lowest trough of the slide way in the circular slide rail.
Compared with the prior art, the invention has the beneficial effects that:
(1) the anti-blocking screening device pours crops to be screened into the feed hopper, pours unscreened crops into the screening box through the feed pipe and the feed inlet and onto the top of a filter screen on a mounting plate, simultaneously starts an external motor to drive a bearing shaft to rotate, thereby driving a plurality of limit rods which are uniformly and fixedly connected with the bottom of the surface of the bearing shaft to rotate, then drives the screening boxes above the limit rods to rotate simultaneously through the limit shafts and the limit grooves, six screening boxes rotate around the bearing shaft simultaneously, the six screening boxes slide on a circular slide rail through balls on a connecting seat, the inner slide way of the circular slide rail is in wave-shaped height fluctuation, when the screening boxes slide to a peak trough slide way position, the screening boxes are driven to move downwards, so that the limit shafts move to the inner part of the limit grooves, when the screening boxes slide to a low peak trough slide way position, the screening boxes are driven to move, the limiting shaft moves downwards in the limiting groove, the first elastic element bounces the screening boxes up and down, the limiting shaft and the limiting groove are matched to prevent the screening boxes from shifting front and back and left and right, so that six screening boxes are driven to rock up and down, crops in the screening boxes are screened by rocking up and down, meanwhile, the gear on the hinged shaft is driven to move up and down, the gear is meshed with teeth on the surface of the bearing shaft, the gear rotates when moving up and down, so that the hinged shaft is driven to rotate forwards and backwards, the hinged shaft drives the side, away from the bearing shaft, of the mounting plate to tilt up and backwards, the crops slide into the screening groove due to the centrifugal force generated by the rotation of the screening boxes and are screened at the top of the filter screen, the side, away from the bearing shaft, of the mounting plate tilts up and backwards, the moved crops can be turned back, the six filter screens in the screening box continuously screen crops, crop particles with the diameter close to that of the sieve holes on the filter screens are clamped in the sieve holes in the screening process, the mounting plate rises and falls back and forth, the air bag can be extruded, the mounting plate extrudes the air bag downwards, gas in the air bag is discharged into the air injection pipe through the air outlet one-way valve and the air storage tank and then is blown to the top of the filter screen through the air injection pipe, crop particles clamped at the top of the filter screen are blown up, the filter screen is prevented from being blocked, when the mounting plate is tilted upwards and the air bag is stretched, the air bag sucks external air into the air bag for storage through the air inlet pipe and the air inlet one-way valve, so that the air bag is convenient to blow out next time, the six screening boxes are sequentially fed and continuously screened, when carrying out meticulous screening to crops, blow the crops granule of card on the filter screen, prevent that the filter screen from blockking up, guarantee that the device can normally work.
(2) This prevent blockking up sieving mechanism rocks from top to bottom through the screening case and sieves crops, utilizes the centrifugal force of the rotatory production of mounting panel one side seesaw from top to bottom and screening case, stirs the screening to crops, dual screening, great improvement crops screening efficiency in succession.
(3) This prevent blockking up sieving mechanism, the bottom of little granule crops fall into the processing barrel, bin outlet through the processing barrel bottom is carried away, large granule crops stay the top of filter screen on the mounting panel, when the connecting seat at screening roof portion slides into the minimum ripples millet of the inside slide of ring slide rail through the ball, this screening case removes to highest position, thereby it deflects downwards to drive one side that the bearing axle was kept away from to the mounting panel, deflect to the below of screening case, make and form ejection of compact breach between screening case and the mounting panel, screening case this moment is located and connects the flitch directly over, make the large granule crops that the mounting panel slope landing got off just in time drop and connect the top of flitch, the rethread discharge gate is carried away, thereby accomplish the screening to crops.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of an anti-clogging screening apparatus according to the present invention;
FIG. 2 is an enlarged view of the structure shown at A in FIG. 1;
FIG. 3 is a schematic top view of the receiver plate shown in FIG. 1;
FIG. 4 is a bottom view of the circular slide rail of FIG. 1;
FIG. 5 is a schematic top view of the screen box of FIG. 1;
FIG. 6 is a bottom view of the fastening plate of FIG. 1;
fig. 7 is a front view schematically showing the structure of the processing tank shown in fig. 1.
In the figure: 1. a processing barrel; 2. a load bearing shaft; 3. a screening box; 4. a base; 5. mounting a plate; 6. filtering with a screen; 7. a feed inlet; 8. a circular ring slide rail; 9. a connecting seat; 10. a ball bearing; 11. mounting grooves; 12. teeth; 13. hinging a shaft; 14. a gear; 15. a first elastic element; 16. a limiting rod; 17. a limiting shaft; 18. a limiting groove; 19. a material receiving plate; 20. a discharge port; 21. a fixed seat; 22. a feed hopper; 23. a feed pipe; 24. a screening tank; 25. an air outlet pipe; 26. a gas ejector tube; 27. an air outlet one-way valve; 28. an air bag; 29. an air inlet pipe; 30. an air inlet check valve; 31. a second elastic element; 32. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention is shown: an anti-blocking screening device comprises a processing barrel 1, wherein a circular ring slide rail 8 is fixedly connected to the top of the inner wall of the processing barrel 1, a screening box 3 is uniformly connected to the top of the inner wall of the processing barrel 1 and positioned in the processing barrel 1 in a surrounding manner, a bearing shaft 2 penetrates through the inner ring of the circular ring slide rail 8 of the screening box 3, the top end of the bearing shaft 2 is connected with an external motor output shaft, a feed inlet 7 is formed in one side, close to the bearing shaft 2, of the top of the screening box 3, a connecting seat 9 is fixedly connected to the top of the surface of the bearing shaft 2 and positioned at one side of the feed inlet 7, the top of the connecting seat 9 is in sliding connection with the circular ring slide rail 8 through a ball 10, a mounting groove 11 is formed in one side, close to the bearing shaft 2, of the screening box 3, teeth 12 are uniformly and fixedly connected to the, the bottom of the inner wall of the screening box 3 and one side close to the bearing shaft 2 are hinged with a mounting plate 5 through a hinged shaft 13, the mounting plate 5 is provided with a screening groove 24, the back of the screening groove 24 is fixedly connected with a filter screen 6, the surface of the hinged shaft 13 is fixedly connected with a gear 14 positioned on one side of a tooth 12, the gear 14 is meshed with the tooth 12, the surface of the bearing shaft 2 is uniformly and fixedly connected with a limit rod 16 positioned below the screening box 3, a first elastic element 15 is sleeved between two sides of the top of the limit rod 16 and two sides of the bottom of the screening box 3, the top of the limit rod 16 is positioned between two opposite sides of the first elastic elements 15 and is uniformly and fixedly connected with a limit shaft 17 from left to right, the bottom of the screening box 3 is uniformly provided with a limit groove 18 from the right to the right, the top of the limit shaft 17 penetrates into the inside of the screening box 3 through the limit groove 18, the internal surface of processing bucket 1 just is located the below fixed connection of gag lever post 16 and connects flitch 19, the surface of processing bucket 1 just is located one side that connects flitch 19 and has seted up discharge gate 20, the top of processing bucket 1 is through two fixing bases 21 fixedly connected with feeder hopper 22, the bottom of feeder hopper 22 just is located one feed inlet 7 communicates directly over there is inlet pipe 23, the bottom of inlet pipe 23 runs through processing bucket 1 and extends to the inside of processing bucket 1, one side that the screening case 3 inner wall is close to bearing shaft 2 just is located the below fixedly connected with fixed plate 32 of mounting panel 5, the adhesion has gasbag 28 between the top of fixed plate 32 and the bottom of mounting panel 5, the bottom of gasbag 28 communicates intake pipe 29, the bottom of intake pipe 29 runs through fixed plate 32 and extends to the below of fixed plate 32, the surface of intake pipe 29 just is located the below fixed mounting of fixed plate 32 and has the check valve 30 that admits air, just be located one side cover that the gasbag 28 kept away from filter screen 6 between the top of fixed plate 32 and the bottom of mounting panel 5 and be equipped with second elastic element 31, the top intercommunication of gasbag 28 has outlet duct 25, the top of outlet duct 25 runs through the bottom of mounting panel 5 and extends to the inside of mounting panel 5, the surface of outlet duct 25 in the past to the back and be located the even intercommunication in inside of mounting panel 5 has jet-propelled pipe 26, the surface of outlet duct 25 and the inside fixed mounting that is located gasbag 28 have air outlet check valve 27.
The surface of screening case 3 contacts with the internal surface of processing bucket 1, 8 inside slides of ring slide rail are the wave of height fluctuation, 8 inside slides of ring slide rail minimum trough be located one screening case 3 directly over, bearing shaft 2 contacts with screening case 3, the total amount of screening case 3 is six.
One side that articulated shaft 13 was kept away from to mounting panel 5 contacts with the internal surface of screening case 3, the equal fixedly connected with base 4 in both sides of 1 bottom of processing bucket, fixed plate 32 slope fixed connection just is located the below of mounting panel 5 in one side of screening 3 inner walls of case, the one end that outlet duct 25 was kept away from to jet-propelled pipe 26 runs through mounting panel 5 and extends to the inside in screening groove 24, jet-propelled pipe 26 is located the top of filter screen 6.
Bearing shaft 2 rotates with processing bucket 1 to be connected, gag lever post 16 is installed under two 3 bottom sides of screening case, the inside of intaking gasbag 28 is upwards breathed in from down to the gaseous flow direction of check valve 30 that admits air, the inside gas of the discharge gasbag 28 of giving vent to anger from down up to the gaseous flow direction of check valve 27 of giving vent to anger from down.
The limiting shaft 17 slides in the limiting groove 18 to limit the screening box 3.
The material receiving plate 19 is fixedly connected to the inner surface of the processing barrel 1 and is positioned right below the screening box 3 below the lowest wave trough of the slide way in the circular slide rail 8.
The working principle is as follows: when the screening box is used, crops to be screened are poured into the feed hopper 22, the unscreened crops are poured into the screening box 3 through the feed pipe 23 and the feed inlet 7 and are positioned at the top of the filter screen 6 on the mounting plate 5, the external motor is started to drive the bearing shaft 2 to rotate at the same time, so as to drive the limiting rods 16 uniformly and fixedly connected with the bottom of the surface of the bearing shaft 2 to rotate, then the screening boxes 3 above the limiting rods 16 are driven to rotate simultaneously through the limiting shafts 17 and the limiting grooves 18, the six screening boxes 3 rotate around the bearing shafts 2 simultaneously, the six screening boxes 3 slide on the circular sliding rail 8 through the balls on the connecting seat 9, the inner sliding ways of the circular sliding rail 8 are wavy and fluctuant, when the screening boxes 3 slide to the positions of the peak valley sliding ways, the screening boxes 3 are driven to move downwards, so that the limiting shafts 17 move to the inner parts of the limiting grooves 18, when the screening boxes 3 slide to the, the screening box 3 is driven to move upwards, the limiting shaft 17 moves downwards in the limiting groove 18, the first elastic element 15 bounces the screening box 3 up and down, the limiting shaft 17 and the limiting groove 18 are matched to prevent the screening box 3 from shifting back and forth and left and right, so that six screening boxes 3 are driven to shake up and down, crops in the screening box are screened by shaking up and down, the gear 14 on the hinge shaft 13 is driven to move up and down, the gear 14 is meshed with teeth on the surface of the bearing shaft 2, the gear 14 rotates when moving up and down, the hinge shaft 13 is driven to rotate forward and backward, the hinge shaft 13 drives one side of the mounting plate 5, which is far away from the bearing shaft 2, to tilt up and down, the centrifugal force generated by the rotation of the screening box 3 slides into the screening groove 24 and is positioned at the top of the filter screen 6, the side of the mounting plate 5, which is far away from the bearing shaft 2, turning back again, thereby screening crops at the top through the filter screen 6, continuously screening crops through the filter screen 6 inside the six screening boxes 3, clamping crop particles with the diameter close to that of the sieve holes on the filter screen 6 inside the sieve holes in the screening process, lifting up and down the mounting plate 5 back and forth, extruding the air bag 28 downwards through the mounting plate 5, discharging the air inside the air bag 28 into the air injection pipe 26 through the air outlet one-way valve 27 and the air storage tank 25, blowing the air into the top of the filter screen 6 through the air injection pipe 26, blowing up the crop particles clamped at the top of the filter screen 6, preventing the filter screen 6 from being blocked, stretching the air bag 28 when the mounting plate 5 is lifted upwards, sucking external air into the air bag 28 through the air inlet pipe 29 and the air inlet one-way valve 30 by the air bag 28 for storage, facilitating next blowing out, dropping small-particle crops into the bottom of the processing, carry away through the bin outlet of 1 bottom of processing bucket, large granule crops stay the top of filter screen 6 on mounting panel 5, when the connecting seat 9 at screening case 3 top slides into the minimum valley of the inside slide of ring slide rail 8 through ball 10, this screening case 3 removes to highest position, thereby drive one side that bearing axle 2 was kept away from to mounting panel 5 and deflect downwards, deflect to the below of screening case 3, make and form ejection of compact breach between screening case 3 and the mounting panel 5, screening case 3 this moment is located directly over material receiving plate 19, make the large granule crops that 5 slopes to slide down of mounting panel just in time to fall at the top that material receiving plate 19, rethread discharge gate 20 is carried away, thereby accomplish the screening to crops.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.