CN220250539U - Grain drying device easy to clean - Google Patents

Abstract

The utility model discloses an easy-to-clean grain drying device, which relates to the technical field of drying devices and comprises a drying box, wherein a discharge hole is formed in the bottom of the drying box, an electromagnetic valve is arranged at the bottom of the discharge hole, a heating box is arranged on the left side of the drying box, heating pipes are connected with an inner cavity of the heating box at equal intervals, an air inlet pipe is connected to the top of the heating box, an exhaust pipe is connected to the bottom of the heating box, a first fan is arranged at one end, far away from the heating box, of the exhaust pipe, an air guide pipe is connected between the output end of the first fan and the drying box, a purifying box is arranged at the top of the drying box, and a recovery pipe is connected between the right side of the purifying box and the drying box. According to the utility model, through the matching arrangement of the purifying box, the servo motor, the filter screen, the cleaning brush, the screw rod, the sliding component and the screw nut, the cleaning brush can be driven to reciprocate up and down along the surface of the filter screen, so that impurities attached to the filter screen can be cleaned, and the problem of blockage of the filter screen in long-term use is avoided as much as possible.

Description

Grain drying device easy to clean

Technical Field

The utility model relates to the technical field of drying devices, in particular to an easy-to-clean grain drying device.

Background

The mature season of the grains is concentrated, the newly harvested grains are large in quantity and contain more water, concentrated airing treatment is not easy to realize, and the loss caused by mildew is easy to occur, so that the grains are required to be dried to remove the water of the grains, and the storage time of the grains is prolonged.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, the Chinese patent publication No. CN209639483U discloses a heat recovery device for a grain dryer, which comprises a dryer through pipe and a drying oven, wherein the drying oven is provided with the through pipe, one end of the through pipe is connected with the lower end of the drying oven, the upper end of the drying oven is connected with an air outlet pipe, one end of the air outlet pipe is fixedly arranged at one end of the connecting device, the other end of the connecting device is fixedly penetrated through the recovery device, the recovery device comprises a mounting box, an air outlet, an insulation board, a sealing pad, a rotating board and a hinge, the upper end of the mounting box is fixedly penetrated through and provided with the air outlet, so that the pollution of air-doped grain impurities discharged after drying to the environment and air is avoided, the sanitation in use is further improved, the heat recovery device can be suitable for various environments, the sales amount of products is improved, the heat of the drying oven can be recovered, and the device can recover the heat in the process of the hot air, but the filter screen is simply arranged in the recovery pipe, no good cleaning mechanism is adopted, and the problem of blocking easily occurs in the normal use of the recovery pipe, and the device is affected.

Disclosure of Invention

In order to solve the problem that the filter screen is blocked easily after long-time use because the device is simply provided with the filter screen in the recovery pipe and has no good cleaning mechanism, the utility model provides an easy-to-clean grain drying device.

The utility model provides an easy-to-clean grain drying device, which adopts the following technical scheme:

the utility model provides an easy clearance formula grain drying device, includes the stoving case, the discharge gate has been seted up to the bottom of stoving case, the bottom of discharge gate is provided with the solenoid valve, the heating cabinet is installed in the left side of stoving case, equidistant the connecting pipe that is connected with of inner chamber of heating cabinet, the top of heating cabinet is connected with the air-supply line, the bottom of heating cabinet is connected with the exhaust pipe, the exhaust pipe is kept away from the one end of heating cabinet is installed first fan, the output of first fan with be connected with the guide duct between the stoving case, the purifying box is installed at the top of stoving case, the right side of purifying box with be connected with the recovery tube between the stoving case, the stoving case top is close to the feed inlet has been seted up to the one end of purifying box, the second fan is installed to the left side wall of purifying box inner chamber, the connecting pipe is connected with between the air-supply line, the purifying box inner chamber is kept away from the one end of second fan is installed, the purifying box inner chamber is close to one end of filter screen is connected with the bearing, the purifying box inner motor's output end with the guide wire, the inner wire is connected with the female screw of screw, the female screw is connected with the screw has the servo screw thread of screw, the female screw is connected with the screw thread of the female screw.

Through adopting above-mentioned technical scheme, throw into the stoving incasement with the grain that waits to dry through the feed inlet, start heating pipe and first fan, the heating pipe begins to preheat, cold wind gets into the heating incasement through the air-supply line, heat through the heating pipe, thereby carry hot-blast to stoving incasement through exhaust pipe and guide duct, dry grain, in this process, start the second fan, the steam flows into the recovery tube, and flow into the air-supply line through the connecting pipe, preheat the air, and then the electric energy that needs when reducing the heating pipe to the air heating, in order to realize the recycle of heat energy, reduce the extravagant problem of energy, when the inside of steam entering purifying box, under the effect of filter screen, can filter the steam, impurity in order to get rid of the steam, start servo motor simultaneously, servo motor during operation drives the lead screw and rotates, the drive screw reciprocates, the drive cleaning brush reciprocates along the surface of filter screen, clear up the impurity that adheres to on the filter screen, avoid the filter screen to use the problem that blocks up for a long time as far as possible.

Optionally, the inner chamber of stoving case is provided with the stirring subassembly, the stirring subassembly includes first (mixing) shaft, first (mixing) shaft passes through the bearing and connects the bottom of stoving case inner chamber, the equidistant first puddler that is connected with in top and bottom of first (mixing) shaft, the top of stoving case inner chamber is connected with the second (mixing) shaft through the bearing, the equidistant second puddler that is connected with in top and bottom of second (mixing) shaft.

Through adopting above-mentioned technical scheme, drive first puddler when first (mixing) shaft rotates and rotate, the second (mixing) shaft rotates and drives the second puddler and rotate, stirs grain through first puddler and the crisscross rotation of second puddler to the stoving speed of grain has been accelerated.

Optionally, the right side of stoving case is provided with drive assembly, drive assembly includes the drive case, the drive case is installed the right side of stoving case, driving motor is installed to the inner chamber of drive case, driving shaft is installed to driving motor's power take off end, the outer wall of driving shaft has cup jointed the driving gear, the top meshing of driving gear is connected with driven gear, driven shaft has been cup jointed to driven gear's inner chamber, driven shaft's left end with the right-hand member fixed connection of second (mixing) shaft, the left end of driving shaft with the right-hand member fixed connection of first (mixing) shaft.

Through adopting above-mentioned technical scheme, drive the gear through the driving shaft when driving motor starts and rotate, the gear that drives rotates and drive driven gear and rotate, and driven gear rotates and drives the driven shaft and rotate to can drive first (mixing) shaft and second (mixing) shaft and rotate.

Optionally, stretch out at the top of filter screen purifying box and install the arm-tie, the bottom of filter screen is connected with the fixture block, the interior bottom wall of purifying box seted up with fixture block grafting complex draw-in groove.

Through adopting above-mentioned technical scheme, when filter screen accumulational impurity is more or appear damaging, the pull-up arm-tie drives the filter screen and upwards moves for fixture block and draw-in groove separation, conveniently take out the filter screen from the inner chamber of purifying box and clear up.

Optionally, a sliding component is arranged between the screw and the purifying box, the sliding component comprises a sliding rod, the sliding rod is installed in the inner cavity of the purifying box and is close to one end of the screw rod, a sliding sleeve is sleeved on the outer wall of the sliding rod, and the left end of the sliding sleeve is fixedly connected with the right end of the screw.

Through adopting above-mentioned technical scheme, can drive the sliding sleeve and slide along the slide bar when the screw when removing to can carry out spacingly to the screw, prevent that the screw from rotating.

Optionally, the support column is all installed at four corners of stoving case bottom, the both ends of stoving case inner chamber all slope and be connected with the stock guide, two sets of the lower end of stock guide all with discharge gate fixed connection.

Through adopting above-mentioned technical scheme, can support whole device through the support column, can guide the grain after drying through the stock guide, make grain discharge stoving case fast.

Optionally, the surface of purifying box articulates there is the door body, the surface mounting of stoving case has the observation window.

Through adopting above-mentioned technical scheme, through opening the door body, make things convenient for the later stage to clear up the impurity in the purifying box, can observe the inside grain stoving condition of stoving case through the observation window.

In summary, the present utility model includes at least one of the following beneficial effects:

(1) Through the cooperation setting of purifying box, servo motor, filter screen, cleaning brush, lead screw, slip subassembly and screw to can drive the cleaning brush along the surface up-and-down reciprocating motion of filter screen, thereby can clear up the impurity that adheres to on the filter screen, avoid the filter screen to use for a long time as far as possible and appear blocking up the problem.

(2) Through the cooperation setting of drive assembly, first (mixing) shaft, first puddler, second (mixing) shaft and second puddler, drive first (mixing) shaft and second (mixing) shaft through drive assembly and rotate, and then can stir the processing to grain through first puddler and the crisscross rotation of second puddler, and then improve the drying efficiency of grain.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic diagram of the structure B in fig. 1 according to the present utility model.

In the figure: 1. an air inlet pipe; 2. a heating box; 3. heating pipes; 4. an exhaust pipe; 5. a first fan; 6. an air guide pipe; 7. an electromagnetic valve; 8. a drying box; 9. a support column; 10. a material guide plate; 11. a discharge port; 12. a drive assembly; 1201. a drive box; 1202. a driven gear; 1203. a driven shaft; 1204. a drive gear; 1205. a driving shaft; 1206. a driving motor; 13. a stirring assembly; 1301. a first stirring shaft; 1302. a first stirring rod; 1303. a second stirring shaft; 1304. a second stirring rod; 14. a feed inlet; 15. a recovery pipe; 16. a purifying box; 17. a second fan; 18. a connecting pipe; 19. a door body; 20. an observation window; 21. pulling a plate; 22. a servo motor; 23. a filter screen; 24. a cleaning brush; 25. a screw rod; 26. a sliding assembly; 2601. a slide bar; 2602. a sliding sleeve; 27. a nut; 28. a clamping block; 29. a clamping groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Referring to fig. 1 and 2 of the drawings, one embodiment of the present utility model is provided: the utility model provides an easy clearance formula grain drying device, includes stoving case 8, and discharge gate 11 has been seted up to the bottom of stoving case 8, and support column 9 is all installed perpendicularly to four corners of stoving case 8 bottom, and the equal slope in both ends of stoving case 8 inner chamber is connected with stock guide 10, and the lower end of two sets of stock guides 10 all with discharge gate 11 fixed connection. The whole device can be supported through the support column 9, and the dried grains can be guided through the guide plate 10, so that the grains are rapidly discharged out of the drying box 8.

Referring to fig. 1 of the drawings, a stirring assembly 13 is disposed in an inner cavity of a drying box 8, the stirring assembly 13 includes a first stirring shaft 1301, the first stirring shaft 1301 is rotatably connected to a bottom of the inner cavity of the drying box 8 through a bearing, a plurality of first stirring rods 1302 are equidistantly connected to a top and a bottom of the first stirring shaft 1301, a second stirring shaft 1303 is rotatably connected to a top of the inner cavity of the drying box 8 through a bearing, and a plurality of second stirring rods 1304 are equidistantly connected to a top and a bottom of the second stirring shaft 1303. When the first stirring shaft 1301 rotates, the first stirring rod 1302 is driven to rotate, the second stirring shaft 1303 rotates and drives the second stirring rod 1304 to rotate, grains are stirred through staggered rotation of the first stirring rod 1302 and the second stirring rod 1304, and accordingly the drying speed of the grains is increased.

Referring to fig. 1 and 2 in the drawings, a driving assembly 12 is disposed on the right side of a drying box 8, the driving assembly 12 includes a driving box 1201, the driving box 1201 is mounted on the right side of the drying box 8, a driving motor 1206 is mounted in an inner cavity of the driving box 1201, a driving shaft 1205 is mounted at a power output end of the driving motor 1206, a driving gear 1204 is fixedly sleeved on an outer wall of the driving shaft 1205, a driven gear 1202 is engaged with and connected to the top of the driving gear 1204, a driven shaft 1203 is fixedly sleeved in an inner cavity of the driven gear 1202, and a left end of the driven shaft 1203 is fixedly connected with a right end of a second stirring shaft 1303, and a left end of the driving shaft 1205 is fixedly connected with a right end of a first stirring shaft 1301. When the driving motor 1206 is started, the driving gear 1204 is driven to rotate through the driving shaft 1205, the driving gear 1204 rotates to drive the driven gear 1202 to rotate, and the driven gear 1202 rotates to drive the driven shaft 1203 to rotate, so that the first stirring shaft 1301 and the second stirring shaft 1303 can be driven to rotate.

Please refer to fig. 1 and 2 in the drawings of the specification, the bottom of discharge gate 11 is provided with solenoid valve 7, heating cabinet 2 is installed in the left side of stoving case 8, equidistant a plurality of heating pipes 3 of being connected with of inner chamber of heating cabinet 2, the top fixedly connected with air-supply line 1 of heating cabinet 2, the bottom fixedly connected with exhaust pipe 4 of heating cabinet 2, first fan 5 is installed to the one end that heating cabinet 2 was kept away from to exhaust pipe 4, be connected with guide duct 6 between the output of first fan 5 and stoving case 8, purifying box 16 is installed at the top of stoving case 8, the surface hinge of purifying box 16 has door 19, the surface mounting of stoving case 8 has viewing window 20. Through opening the door body 19, make things convenient for the later stage to clear up the impurity in the purifying box 16, can observe the inside grain stoving condition of stoving case 8 through viewing window 20.

Referring to fig. 1, 3 and 4 in the drawings, a recovery pipe 15 is connected between the right side of the purifying box 16 and the drying box 8, a feed inlet 14 is formed in one end, close to the purifying box 16, of the top of the drying box 8, a second fan 17 is mounted on the left side wall of the inner cavity of the purifying box 16, a connecting pipe 18 is connected between the output end of the second fan 17 and the air inlet pipe 1, a filter screen 23 is mounted at one end, far away from the second fan 17, of the inner cavity of the purifying box 16, the top of the filter screen 23 extends out of the purifying box 16 and is fixedly provided with a pull plate 21, a clamping block 28 is fixedly connected to the bottom of the filter screen 23, and a clamping groove 29 matched with the clamping block 28 in a plugging manner is formed in the inner bottom wall of the purifying box 16. When the filter screen 23 is more accumulated impurities or damaged, the pull-up plate 21 drives the filter screen 23 to move upwards, so that the clamping blocks 28 are separated from the clamping grooves 29, and the filter screen 23 is conveniently taken out from the inner cavity of the purifying box 16 and cleaned.

Referring to fig. 1 and 3 of the drawings, a screw rod 25 is rotatably connected to one end, close to a filter screen 23, of an inner cavity of a purifying box 16 through a bearing, a servo motor 22 for driving the screw rod 25 to rotate is mounted on an inner top wall of the purifying box 16, a screw 27 is in threaded connection with an outer wall of the screw rod 25, a cleaning brush 24 is connected to the left end of the screw 27, the left end of the cleaning brush 24 is in fit connection with the right end of the filter screen 23, a sliding assembly 26 is arranged between the screw 27 and the purifying box 16, the sliding assembly 26 comprises a sliding rod 2601, the sliding rod 2601 is mounted at one end, close to the screw rod 25, of the inner cavity of the purifying box 16, a sliding sleeve 2602 is sleeved on the outer wall of the sliding rod 2601, and the left end of the sliding sleeve 2602 is fixedly connected with the right end of the screw 27. When the nut 27 moves, the sliding sleeve 2602 can be driven to slide along the sliding rod 2601, so that the nut 27 can be limited, and the nut 27 is prevented from rotating.

Working principle: when the device is used, an external power supply is used, grains to be dried are put into the drying box 8 through the feed inlet 14, the heating pipe 3 and the first fan 5 are started, the heating pipe 3 starts to be preheated, cold air enters the heating box 2 through the air inlet pipe 1 and is heated through the heating pipe 3, thereby hot air is conveyed into the drying box 8 through the air outlet pipe 4 and the air guide pipe 6, the grains are dried, meanwhile, the driving motor 1206 is started, the driving motor 1206 drives the driving gear 1204 to rotate through the driving shaft 1205, the driving gear 1204 rotates to drive the driven gear 1202 to rotate, the driven gear 1202 rotates to drive the driven shaft 1203 to rotate, the first stirring shaft 1301 and the second stirring shaft 1303 can be driven to rotate, the first stirring shaft 1302 is driven to rotate when the first stirring shaft 1301 rotates, the second stirring shaft 1304 is driven to rotate, the grains can be stirred, and the drying efficiency of the grains can be improved through the action of hot air.

In the process, the second fan 17 is started, the hot air flows into the recovery pipe 15 and flows to the air inlet pipe 1 through the connecting pipe 18, the air is preheated, and then the electric energy required by the heating pipe 3 in heating the air is reduced, so that the heat energy recycling is realized, the problem of energy waste is reduced, when the hot air enters the inside of the purifying box 16, the hot air can be filtered under the action of the filter screen 23, impurities in the hot air are removed, meanwhile, the servo motor 22 is started, the screw rod 25 is driven to rotate during the working of the servo motor 22, the screw rod 25 is driven to rotate under the sliding fit of the sliding rod 2601 and the sliding sleeve 2602, the screw rod 25 is driven to move up and down through the screw rod 27, the cleaning brush 24 is driven to move up and down along the surface of the filter screen 23 when the screw rod 27 moves, the impurities attached to the filter screen 23 are cleaned, the problem of blocking of the filter screen 23 during long-term use is avoided as much as possible, when the filter screen 23 is damaged, the filter screen 21 is pulled up, the filter screen 23 is driven to move up, the clamping block 28 is separated from the clamping groove 29, and the filter screen 23 can be taken out from the inside of the purifying box 16 and replaced, and the practicability of the device is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides an easy clearance formula grain drying device, includes stoving case (8), its characterized in that: the bottom of stoving case (8) has offered discharge gate (11), the bottom of discharge gate (11) is provided with solenoid valve (7), heating case (2) are installed in the left side of stoving case (8), equidistant heating pipe (3) are connected with in inner chamber of heating case (2), the top of heating case (2) is connected with air-supply line (1), the bottom of heating case (2) is connected with exhaust pipe (4), exhaust pipe (4) keep away from one end of heating case (2) is installed first fan (5), the output of first fan (5) with be connected with guide duct (6) between stoving case (8), purifying box (16) are installed at the top of stoving case (8), the right side of purifying box (16) with be connected with recovery pipe (15) between stoving case (8), the top of stoving case (8) is close to one end of purifying box (16) has seted up feed inlet (14), the left side wall of purifying box (16) inner chamber installs second fan (17), second fan (17) are connected with between second fan (17) and second fan (17) are installed far away from connecting pipe (18), one end of the inner cavity of the purifying box (16) close to the filter screen (23) is connected with a screw rod (25) through a bearing, a servo motor (22) for driving the screw rod (25) to rotate is installed on the inner top wall of the purifying box (16), a screw nut (27) is connected with the outer wall of the screw rod (25) in a threaded mode, and a cleaning brush (24) is connected with the left end of the screw nut (27).

2. The easy-to-clean grain drying apparatus according to claim 1, wherein: the inner chamber of stoving case (8) is provided with stirring subassembly (13), stirring subassembly (13) are including first (1301) stirring axle, first (1301) stirring axle are in through bearing connection the bottom of stoving case (8) inner chamber, the equidistant first puddler (1302) that is connected with in top and bottom of first (1301) stirring axle, the top of stoving case (8) inner chamber is connected with second (1303) stirring axle through the bearing, the equidistant second puddler (1304) that is connected with in top and bottom of second (1303) stirring axle.

3. The easy-to-clean grain drying apparatus according to claim 2, wherein: the right side of stoving case (8) is provided with drive assembly (12), drive assembly (12) include drive case (1201), drive case (1201) are installed the right side of stoving case (8), driving motor (1206) are installed to the inner chamber of drive case (1201), driving shaft (1205) are installed to the power take off end of driving motor (1206), driving gear (1204) have been cup jointed to the outer wall of driving shaft (1205), the top meshing of driving gear (1204) is connected with driven gear (1202), driven shaft (1203) have been cup jointed to the inner chamber of driven gear (1202), the left end of driven shaft (1203) with the right-hand member fixed connection of second (1303), the left end of driving shaft (1205) with the right-hand member fixed connection of first (1301).

4. The easy-to-clean grain drying apparatus according to claim 1, wherein: the top of filter screen (23) stretches out purifying box (16) and installs arm-tie (21), the bottom of filter screen (23) is connected with fixture block (28), interior bottom wall of purifying box (16) seted up with fixture block (28) grafting complex draw-in groove (29).

5. The easy-to-clean grain drying apparatus according to claim 1, wherein: the utility model discloses a purifying box, including purifying box (16), including screw (27), purifying box (16), be provided with slip subassembly (26) between screw (27) with purifying box (16), slip subassembly (26) include slide bar (2601), slide bar (2601) are installed purifying box (16) inner chamber is close to the one end of lead screw (25), the outer wall cover of slide bar (2601) is equipped with sliding sleeve (2602), the left end of sliding sleeve (2602) with right-hand member fixed connection of screw (27).

6. The easy-to-clean grain drying apparatus according to claim 1, wherein: support columns (9) are arranged at four corners of the bottom of the drying box (8), two ends of an inner cavity of the drying box (8) are obliquely connected with material guide plates (10), and two groups of lower ends of the material guide plates (10) are fixedly connected with the discharge holes (11).

7. The easy-to-clean grain drying apparatus according to claim 1, wherein: the surface of the purifying box (16) is hinged with a door body (19), and the surface of the drying box (8) is provided with an observation window (20).