CN220250539U - Easy-to-clean grain drying device - 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

Easy-to-clean grain drying device

Technical field

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

Background technique

The season of grain maturity is relatively concentrated. The newly harvested grain is large in quantity and contains a lot of moisture. Centralized drying is not easy to achieve, and it is easy to cause mildew and loss. Therefore, the grain needs to be dried to remove the moisture of the grain itself and prolong the life of the grain. Storage time.

In the process of realizing the utility model, the inventor found that there are at least the following problems in this technology. The Chinese Utility Model Patent Announcement No. CN209639483U discloses a heat recovery device for a grain dryer, which includes a dryer pipe and an oven. A vent pipe is installed on the dryer, one end of the vent pipe is connected to the lower end of the oven, and an air outlet pipe is connected to the upper end of the oven. One end of the air outlet pipe is fixedly installed on one end of the connecting device, and the other end of the connecting device is fixed and penetrates the recovery device. The recovery device includes installation box, exhaust port, insulation board, sealing gasket, rotating plate and hinge. The upper end of the installation box is fixedly provided with an exhaust port to prevent the grain impurities mixed with the gas discharged after drying from causing pollution to the environment and air, thereby improving In order to improve the hygiene during use, it can be applied to a variety of environments, increase product sales, and enable the heat recovery and utilization of the dryer. Although the above equipment can recover heat, the above device cannot recover hot gas. During the process, the filter is simply installed in the recovery pipe without a good cleaning mechanism. Long-term use can easily cause the filter to become clogged, thus affecting the normal use of the device.

Utility model content

In order to improve the problem that the above-mentioned device simply installs a filter screen in the recovery pipe without a good cleaning mechanism, and long-term use may easily cause the filter screen to become clogged, 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 solution:

An easy-to-clean grain drying device includes a drying box. A discharge port is provided at the bottom of the drying box. A solenoid valve is provided at the bottom of the discharge port. A heating box is installed on the left side of the drying box. , the inner cavity of the heating box is connected with heating pipes at equal intervals, the top of the heating box is connected with an air inlet pipe, the bottom of the heating box is connected with an exhaust pipe, and the exhaust pipe is away from the heating box A first fan is installed at one end, and an air duct is connected between the output end of the first fan and the drying box. A purification box is installed on the top of the drying box. The right side of the purification box is connected to the drying box. A recovery pipe is connected between the drying boxes, a feed port is provided at one end of the top of the drying box close to the purification box, and a second fan is installed on the left wall of the inner cavity of the purification box. A connecting pipe is connected between the output end of the fan and the air inlet pipe. A filter screen is installed on one end of the inner cavity of the purification box away from the second fan. The end of the inner cavity of the purification box close to the filter screen passes through A screw rod is connected to the bearing, and a servo motor for driving the screw rod to rotate is installed on the inner top wall of the purification box. A screw nut is threadedly connected to the outer wall of the screw rod, and a cleaning brush is connected to the left end of the screw nut.

By adopting the above technical solution, the grain to be dried is put into the drying box through the feed port, the heating pipe and the first fan are started, the heating pipe starts to preheat, and the cold air enters the heating box through the air inlet pipe, and the heating pipe is used for heating. Heating, the hot air is transported to the drying box through the exhaust duct and the air guide duct to dry the grain. During this process, the second fan is started, the hot air flows into the recovery pipe, and flows to the air inlet pipe through the connecting pipe. Preheat the air, thereby reducing the electric energy required when the heating tube heats the air, so as to realize the recycling of heat energy and reduce the waste of energy. When the hot air enters the inside of the purification box, under the action of the filter, it can The hot air is filtered to remove impurities in the hot air, and the servo motor is started at the same time. When the servo motor is working, it drives the screw rod to rotate. The screw rod rotates to drive the screw mother to move up and down. When the screw mother moves, it drives the cleaning brush to move up and down along the surface of the filter. Clean the impurities attached to the filter to avoid clogging of the filter during long-term use.

Optionally, the inner cavity of the drying box is provided with a stirring assembly, the stirring assembly includes a first stirring shaft, the first stirring shaft is connected to the bottom of the inner cavity of the drying box through a bearing, and the third stirring shaft A first stirring rod is connected to the top and bottom of a stirring shaft at equal intervals, a second stirring shaft is connected to the top of the inner cavity of the drying box through a bearing, and a second stirring rod is connected to the top and bottom of the second stirring shaft at equal intervals. Stirring rod.

By adopting the above technical solution, when the first stirring shaft rotates, it drives the first stirring rod to rotate, and the rotation of the second stirring shaft drives the second mixing rod to rotate. The grain is stirred through the staggered rotation of the first stirring rod and the second stirring rod, thereby accelerating the mixing process. Increases the drying speed of grain.

Optionally, a drive assembly is provided on the right side of the drying box. The drive assembly includes a drive box. The drive box is installed on the right side of the drying box. A drive is installed in the inner cavity of the drive box. Motor, the power output end of the driving motor is equipped with a driving shaft, the outer wall of the driving shaft is sleeved with a driving gear, the top of the driving gear is meshed with a driven gear, and the inner cavity of the driven gear is sleeved There is a driven shaft, the left end of the driven shaft is fixedly connected to the right end of the second stirring shaft, and the left end of the driving shaft is fixedly connected to the right end of the first stirring shaft.

By adopting the above technical solution, when the driving motor is started, the driving shaft drives the driving gear to rotate, the driving gear rotates to drive the driven gear to rotate, and the driven gear rotates to drive the driven shaft to rotate, thereby driving the first stirring shaft and the second stirring shaft. Turn.

Optionally, the top of the filter screen extends out of the purification box and is equipped with a pull plate, the bottom of the filter screen is connected with a clamping block, and the inner bottom wall of the purification box is provided with a plug-in connection with the clamping block. Matching card slot.

By adopting the above technical solution, when the filter screen accumulates a lot of impurities or is damaged, the upper pull-up plate drives the filter screen to move upward, causing the block to separate from the slot, making it easier to remove the filter screen from the inner cavity of the purification box and carry out cleaning. Clean up.

Optionally, a sliding assembly is provided between the screw nut and the purification box. The sliding assembly includes a sliding rod. The sliding rod is installed at one end of the inner cavity of the purifying box close to the screw rod. A sliding sleeve is provided on the outer wall of the sliding rod, and the left end of the sliding sleeve is fixedly connected to the right end of the nut.

By adopting the above technical solution, when the nut moves, the sliding sleeve can be driven to slide along the slide rod, thereby limiting the position of the nut and preventing the nut from rotating.

Optionally, support columns are installed at the four corners of the bottom of the drying box. Both ends of the inner cavity of the drying box are obliquely connected with guide plates. The lower ends of the two sets of guide plates are All are fixedly connected with the discharge port.

By adopting the above technical solution, the entire device can be supported by the support column, and the dried grain can be guided by the guide plate, so that the grain can be quickly discharged from the drying box.

Optionally, a door is hinged on the surface of the purification box, and an observation window is installed on the surface of the drying box.

By adopting the above technical solution, by opening the door, it is convenient to clean the impurities in the purification box later, and the grain drying conditions inside the drying box can be observed through the observation window.

To sum up, the present utility model includes at least one of the following beneficial effects:

(1) Through the cooperative arrangement of the purification box, servo motor, filter, cleaning brush, screw rod, sliding assembly and screw mother, the cleaning brush can be driven to reciprocate up and down along the surface of the filter, thereby cleaning the particles attached to the filter. Clean the impurities and try to avoid clogging of the filter during long-term use.

(2) Through the cooperative arrangement of the driving assembly, the first stirring shaft, the first stirring rod, the second stirring shaft and the second stirring rod, the driving assembly drives the first stirring shaft and the second stirring shaft to rotate, and then the first stirring shaft can be driven by the first stirring shaft. The stirring rod and the second stirring rod rotate alternately to stir the grain, thereby improving the drying efficiency of the grain.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic cross-sectional structural diagram of the utility model;

Figure 2 is a schematic front view of the structure of the utility model;

Figure 3 is a schematic structural diagram of position A in Figure 1 of the present utility model;

Figure 4 is a schematic structural diagram of position B in Figure 1 of the present invention.

In the picture: 1. Air inlet duct; 2. Heating box; 3. Heating pipe; 4. Exhaust duct; 5. First fan; 6. Air guide duct; 7. Solenoid valve; 8. Drying box; 9. Support column; 10. Material guide plate; 11. Discharge port; 12. Drive assembly; 1201. Drive box; 1202. Driven gear; 1203. Driven shaft; 1204. Driving gear; 1205. Driving shaft; 1206. Drive Motor; 13. Stirring component; 1301. First stirring shaft; 1302. First stirring rod; 1303. Second stirring shaft; 1304. Second stirring rod; 14. Feed port; 15. Recovery pipe; 16. Purification box ; 17. Second fan; 18. Connecting pipe; 19. Door body; 20. Observation window; 21. Pull plate; 22. Servo motor; 23. Filter; 24. Cleaning brush; 25. Screw; 26. Slide Components; 2601, sliding rod; 2602, sliding sleeve; 27, nut; 28, clamping block; 29, clamping slot.

Detailed ways

The utility model will be further described in detail below with reference to the accompanying drawings 1-4.

Please refer to Figures 1 and 2 in the accompanying drawings of the description. An embodiment of the utility model is provided: an easy-to-clean grain drying device, including a drying box 8. A discharge port 11 is provided at the bottom of the drying box 8. Support columns 9 are installed vertically at the four corners of the bottom of the drying box 8. Both ends of the inner cavity of the drying box 8 are connected with guide plates 10 at an angle. The lower ends of the two sets of guide plates 10 are connected to the discharge port. 11 fixed connection. The entire device can be supported by the support column 9, and the dried grain can be guided by the guide plate 10 so that the grain can be quickly discharged from the drying box 8.

Please refer to Figure 1 of the accompanying drawings of the description. The inner cavity of the drying box 8 is provided with a stirring assembly 13. The stirring assembly 13 includes a first stirring shaft 1301. The first stirring shaft 1301 is rotatably connected to the bottom of the inner cavity of the drying box 8 through a bearing. , the top and bottom of the first stirring shaft 1301 are connected with a plurality of first stirring rods 1302 at equal intervals, the top of the inner cavity of the drying box 8 is connected with a second stirring shaft 1303 through bearing rotation, and the top and bottom of the second stirring shaft 1303 A plurality of second stirring rods 1304 are connected at equal intervals. When the first stirring shaft 1301 rotates, it drives the first stirring rod 1302 to rotate, and the rotation of the second stirring shaft 1303 drives the second stirring rod 1304 to rotate. The grain is stirred through the staggered rotation of the first stirring rod 1302 and the second stirring rod 1304, thereby speeding up the mixing process. Increases the drying speed of grain.

Please refer to Figures 1 and 2 in the accompanying drawings of the description. A driving assembly 12 is provided on the right side of the drying box 8. The driving assembly 12 includes a driving box 1201. The driving box 1201 is installed on the right side of the drying box 8. The driving box 1201 A driving motor 1206 is installed in the inner cavity, and a driving shaft 1205 is installed at the power output end of the driving motor 1206. A driving gear 1204 is fixedly connected to the outer wall of the driving shaft 1205, and a driven gear 1202 is meshed and connected to the top of the driving gear 1204. The driven gear The inner cavity of 1202 is fixedly connected with a driven shaft 1203. The left end of the driven shaft 1203 is fixedly connected to the right end of the second stirring shaft 1303. The left end of the driving shaft 1205 is fixedly connected to the right end of the first stirring shaft 1301. When the driving motor 1206 starts, it drives the driving gear 1204 to rotate through the driving shaft 1205. The rotation of the driving gear 1204 drives the driven gear 1202 to rotate. The rotation of the driven gear 1202 drives the driven shaft 1203 to rotate, thereby driving the first stirring shaft 1301 and the second stirring shaft. Shaft 1303 rotates.

Please refer to Figures 1 and 2 in the accompanying drawings of the instruction manual. A solenoid valve 7 is provided at the bottom of the discharge port 11. A heating box 2 is installed on the left side of the drying box 8. The inner cavity of the heating box 2 is connected with multiple heaters at equal intervals. Pipe 3, the top of the heating box 2 is fixedly connected with an air inlet pipe 1, and the bottom of the heating box 2 is fixedly connected with an exhaust pipe 4. The end of the exhaust pipe 4 away from the heating box 2 is equipped with a first fan 5. The first fan 5 An air duct 6 is connected between the output end and the drying box 8. A purification box 16 is installed on the top of the drying box 8. A door 19 is hinged on the surface of the purification box 16, and an observation window is installed on the surface of the drying box 8. 20. By opening the door 19, it is convenient to clean the impurities in the purification box 16 later, and the grain drying conditions inside the drying box 8 can be observed through the observation window 20.

Please refer to Figure 1, Figure 3 and Figure 4 in the accompanying drawings of the manual. There is a recovery pipe 15 connected between the right side of the purification box 16 and the drying box 8. There is a feed port at one end of the top of the drying box 8 close to the purification box 16. 14. A second fan 17 is installed on the left wall of the inner cavity of the purification box 16. A connecting pipe 18 is connected between the output end of the second fan 17 and the air inlet pipe 1. The end of the inner cavity of the purification box 16 is away from the second fan 17. A filter 23 is installed. The top of the filter 23 extends out of the purification box 16 and is fixedly installed with a pull plate 21. The bottom of the filter 23 is fixedly connected with a clamping block 28. The inner bottom wall of the purification box 16 is provided with a plug 28 for inserting. Connect to the matching card slot 29. When the filter screen 23 accumulates a lot of impurities or is damaged, the upper pull plate 21 drives the filter screen 23 to move upward, so that the clamping block 28 and the clamping slot 29 are separated, so that the filter screen 23 can be easily removed from the inner cavity of the purification box 16 and removed. Clean up.

Please refer to Figures 1 and 3 in the accompanying drawings of the instruction manual. One end of the inner cavity of the purification box 16 close to the filter 23 is connected to a screw rod 25 for rotation through a bearing. A servo motor for driving the rotation of the screw rod 25 is installed on the inner top wall of the purification box 16. 22. The outer wall of the screw rod 25 is threadedly connected with a nut 27. The left end of the nut 27 is connected with a cleaning brush 24. The left end of the cleaning brush 24 is connected to the right end of the filter 23. The nut 27 is connected to the purification box 16. There is a sliding assembly 26. The sliding assembly 26 includes a sliding rod 2601. The sliding rod 2601 is installed at one end of the inner cavity of the purification box 16 close to the screw rod 25. The outer wall of the sliding rod 2601 is provided with a sliding sleeve 2602. The left end of the sliding sleeve 2602 is connected to the screw nut. The right end of 27 is fixedly connected. When the nut 27 moves, the sliding sleeve 2602 can be driven to slide along the slide rod 2601, thereby limiting the nut 27 and preventing the nut 27 from rotating.

Working principle: When using this device, connect the external power supply, put the grain to be dried into the drying box 8 through the feed port 14, start the heating tube 3 and the first fan 5, the heating tube 3 starts to preheat, and the cold air passes through the inlet. The air duct 1 enters the heating box 2 and is heated through the heating tube 3, so that the hot air is transported to the drying box 8 through the exhaust duct 4 and the air guide 6 to dry the grain. At the same time, the drive motor is started. 1206. The driving motor 1206 drives the driving gear 1204 to rotate through the driving shaft 1205. The rotation of the driving gear 1204 drives the driven gear 1202 to rotate. The rotation of the driven gear 1202 drives the driven shaft 1203 to rotate, thereby driving the first stirring shaft 1301 and the second stirring shaft. The shaft 1303 rotates. When the first stirring shaft 1301 rotates, it drives the first stirring rod 1302 to rotate. When the second stirring shaft 1303 rotates, it drives the second stirring rod 1304 to rotate, so that the grain can be stirred, and with the action of hot air, the grain can be improved. drying efficiency.

During this process, the second fan 17 is started, and the hot air flows into the recovery pipe 15 and flows to the air inlet pipe 1 through the connecting pipe 18 to preheat the air, thus reducing the electric energy required by the heating pipe 3 to heat the air. The recycling and utilization of heat energy reduces the waste of energy. When the hot air enters the inside of the purification box 16, the hot air can be filtered under the action of the filter 23 to remove impurities in the hot air. At the same time, the servo motor 22 is started. 22 drives the screw rod 25 to rotate when working. With the sliding cooperation of the sliding rod 2601 and the sliding sleeve 2602, the screw rod 25 rotates and drives the nut 27 to move up and down. When the nut 27 moves, it drives the cleaning brush 24 up and down along the surface of the filter 23. Move, clean the impurities attached to the filter 23, and try to avoid the problem of clogging of the filter 23 during long-term use. When the filter 23 is damaged, pull up the pull plate 21, and the pull plate 21 drives the filter 23 to move upward, so that The clamping block 28 is separated from the clamping slot 29, so that the filter screen 23 can be taken out from the inside of the purification box 16 and replaced, which improves the practicality of the device.

The above are all preferred embodiments of the present utility model, and do not limit the scope of protection of the present utility model. Therefore, all equivalent changes based on the structure, shape, and principle of the present utility model should be covered by the present utility model. within the scope of protection.

Claims (7)

1. An easy-to-clean grain drying device, including a drying box (8), characterized in that: a discharge port (11) is provided at the bottom of the drying box (8), and the discharge port (11 ) is provided with a solenoid valve (7) at the bottom, a heating box (2) is installed on the left side of the drying box (8), and heating tubes (3) are connected to the inner cavity of the heating box (2) at equal intervals. The top of the heating box (2) is connected to an air inlet pipe (1), and the bottom of the heating box (2) is connected to an exhaust pipe (4). The exhaust pipe (4) is away from the heating box (4). 2) is installed with a first fan (5) at one end, and an air guide pipe (6) is connected between the output end of the first fan (5) and the drying box (8), and the drying box (8) A purification box (16) is installed on the top of the purification box (16). A recovery pipe (15) is connected between the right side of the purification box (16) and the drying box (8). The top of the drying box (8) A feed port (14) is provided at one end close to the purification box (16). A second fan (17) is installed on the left side wall of the inner cavity of the purification box (16). The second fan (17) A connecting pipe (18) is connected between the output end and the air inlet pipe (1), and a filter screen (23) is installed at one end of the inner cavity of the purification box (16) away from the second fan (17). One end of the inner cavity of the purification box (16) close to the filter screen (23) is connected to a screw rod (25) through a bearing, and the inner top wall of the purification box (16) is equipped with a screw rod (25) for driving the screw rod (25). The rotating servo motor (22) has a screw nut (27) threadedly connected to the outer wall of the screw rod (25), and a cleaning brush (24) is connected to the left end of the screw nut (27). 2. The easy-to-clean grain drying device according to claim 1, characterized in that: the inner cavity of the drying box (8) is provided with a stirring assembly (13), and the stirring assembly (13) includes a first Stirring shaft (1301), the first stirring shaft (1301) is connected to the bottom of the inner cavity of the drying box (8) through a bearing, and the top and bottom of the first stirring shaft (1301) are connected with a third stirring shaft at equal intervals. A stirring rod (1302), the top of the inner cavity of the drying box (8) is connected to a second stirring shaft (1303) through a bearing, and the top and bottom of the second stirring shaft (1303) are connected to a second stirring shaft (1303) at equal intervals. Stirring rod (1304). 3. The easy-to-clean grain drying device according to claim 2, characterized in that: a driving assembly (12) is provided on the right side of the drying box (8), and the driving assembly (12) includes a driving box. (1201), the drive box (1201) is installed on the right side of the drying box (8), and a drive motor (1206) is installed in the inner cavity of the drive box (1201). The drive motor (1206) A driving shaft (1205) is installed at the power output end of the driving shaft (1205). A driving gear (1204) is sleeved on the outer wall of the driving shaft (1205). The top of the driving gear (1204) is meshed with a driven gear (1202), so The inner cavity of the driven gear (1202) is sleeved with a driven shaft (1203). The left end of the driven shaft (1203) is fixedly connected to the right end of the second stirring shaft (1303). The driving shaft (1203) is connected to the inner cavity of the driven gear (1202). The left end of 1205) is fixedly connected to the right end of the first stirring shaft (1301). 4. The easy-to-clean grain drying device according to claim 1, characterized in that: the top of the filter screen (23) extends out of the purification box (16) and is equipped with a pull plate (21). The bottom of the filter (23) is connected with a clamping block (28), and the inner bottom wall of the purification box (16) is provided with a clamping slot (29) that is plugged into and matched with the clamping block (28). 5. The easy-to-clean grain drying device according to claim 1, characterized in that: a sliding assembly (26) is provided between the thread mother (27) and the purification box (16), and the sliding assembly (26) includes a sliding rod (2601). The sliding rod (2601) is installed at one end of the inner cavity of the purification box (16) close to the screw rod (25). The outer wall of the sliding rod (2601) is sleeved There is a sliding sleeve (2602), and the left end of the sliding sleeve (2602) is fixedly connected to the right end of the nut (27). 6. The easy-to-clean grain drying device according to claim 1, characterized in that: support columns (9) are installed at the four corners of the bottom of the drying box (8). 8) Both ends of the inner cavity are obliquely connected with guide plates (10), and the lower ends of the two sets of guide plates (10) are fixedly connected to the discharge port (11). 7. The easy-to-clean grain drying device according to claim 1, characterized in that: a door (19) is hinged on the surface of the purification box (16), and a door (19) is installed on the surface of the drying box (8). Observation window (20).