Grain dryer with impurity removal function

Abstract

The utility model discloses a grain dryer with impurity removal function, including box body, drying box and rotary rod, the top center of box body is connected with the drying box through bolt, the middle of drying box is fixedly connected with partition plate through fixed bolt, the rotary rod is respectively arranged on the upper side and lower side of partition plate, and the rotary rod is connected with the box body through bolt. Spiral impellers are arranged on the outer walls of the two rotating rods in a winding mode, an impurity removing plate is arranged in the middle of an inner cavity of the box body, the edge of the impurity removing plate is connected with the box body through springs, a filter screen is arranged in the middle of the impurity removing plate, and a driving motor is connected to the center of the bottom end of the fixing base. And the output end of the driving motor is connected with a stirring rod through a rotating shaft. The impurity removal plate and the filter screen are adopted for directly filtering and removing impurities after the grains are dried, the stirring rod can be driven by the driving motor to rotate, the stirring rod rotates to stir the grains accumulated on the surface of the filter screen so as to prevent the grains from being accumulated, and the filter screen can conveniently filter and remove impurities on the grains.

Description

Technical Field

[0001] The utility model relates to the technical field of grain processing, in particular to a grain drying machine with a function of removing impurities. Background Art

[0002] Grain refers to the general term for various plant seeds used as staple food in cooking food, which can also be generally referred to as "cereals". Grain basically belongs to the Gramineae family. The application number CN202111436917.2 is retrieved, which is a grain dryer and relates to the technical field of grain dryers. It includes an electric control cabinet and a drying device, and also includes a drying device, a fan and an electric hot air furnace connected in sequence. The electric control cabinet is electrically connected to the drying device, the fan and the electric hot air furnace respectively; the electric hot air furnace includes a supporting shell and a heating pipe arranged in the supporting shell, and the heating pipe is electrically connected to the electric control cabinet; and a vent is provided on the shell. It can avoid the problem of uneven drying, thereby preventing the reproduction of microorganisms such as mold, and thus preventing grain from becoming moldy.

[0003] Similar to the above-mentioned grain dryer: Although the problem of uneven drying is avoided by using a drying device, a fan and an electric hot air furnace, at the current stage, when the grain dryer is in use, if there are impurities and dust inside the grain, it will affect the quality of the grain, and separate impurity removal work is required after the drying is completed. It does not have the impurity removal function.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a grain dryer with impurity removal function is proposed to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide a grain dryer with a dust removal function, so as to solve the problem that the grain dryer mentioned in the above-mentioned background technology at present has impurities and dust inside the grain when the grain dryer is in use, which will affect the quality of the grain, and a separate dust removal work is required after the drying is completed, and the grain dryer does not have a dust removal function.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grain dryer with impurity removal function, comprising a box body, a drying box and a rotating rod, the drying box is connected to the top center of the box body by bolts, a feed port is provided on one side of the top of the drying box, a partition plate is fixedly connected to the middle of the drying box by fixing bolts, the rotating rods are respectively arranged on the upper and lower sides of the partition plate, and spiral impellers are wound around the outer walls of the two groups of rotating rods, and the spiral directions of the two groups of spiral impellers are opposite.

[0007] Furthermore, drive motors are provided on both sides of the drying box, and two groups of the drive motors are respectively connected to the two groups of rotating rods. Temperature-controlled electric heating wires are distributed inside the partition plate, and a material guide port is provided on one side of the partition plate.

[0008] Furthermore, a hot air blower is arranged on the side of the feed port away from the edge of the drying box, one side of the hot air blower is connected to an air duct, the end of the air duct away from the hot air blower passes through the drying box and is connected to an exhaust port, and a discharge port is arranged on one side of the bottom end of the drying box.

[0009] Furthermore, a de-impurity plate is provided in the middle of the inner cavity of the box body, the edge of the de-impurity plate is connected to the box body through a spring, a filter is provided in the middle of the de-impurity plate, a fixed seat is provided on one side of the discharge port, a driving motor is connected to the center of the bottom end of the fixed seat, and the output end of the driving motor is connected to a stirring rod through a rotating shaft, and the stirring rod is located on the top of the filter.

[0010] Furthermore, a guide wheel is arranged on one side of the bottom end of the impurity removing plate, a rotating shaft is connected to one side of the box body through a bearing, an eccentric wheel is arranged on the outer wall of the rotating shaft, the eccentric wheel is abutted against the guide wheel, a servo motor is connected to one side of the box body, and the output end of the servo motor is connected to the rotating shaft.

[0011] Furthermore, a waste trough is provided at the inner bottom end of the box body, a pull-out door is provided at the bottom of one side of the box body, the pull-out door corresponds to the waste trough, and a box door is provided on one side of the box body adjacent to the pull-out door.

[0012] Compared with the prior art, the utility model has the following beneficial effects: a grain dryer with impurity removal function, which can directly filter and remove impurities from grain after drying by using impurity removal plates and filter screens, and can drive a stirring rod to rotate by a driving motor, and the rotation of the stirring rod can stir the grain accumulated on the surface of the filter screen to avoid the grain from accumulating in one place, making it easier for the filter screen to filter and remove impurities from the grain. The specific contents are as follows:

[0013] A cleaning plate is arranged in the middle of the inner cavity of the box body, and the dried grain falls onto the surface of the cleaning plate through the discharge port. The edge of the cleaning plate is connected to the box body through a spring. A filter is arranged in the middle of the cleaning plate, and the filter can filter and remove impurities from the grain. A fixed seat is arranged on one side of the discharge port, and a driving motor is connected to the center of the bottom end of the fixed seat. A stirring rod is connected to the output end of the driving motor through a rotating shaft. The stirring rod is located on the top of the filter screen, and the driving motor can drive the stirring rod to rotate. The rotation of the stirring rod can stir the grain accumulated on the surface of the filter screen to prevent the grain from being stirred. The food accumulates in one place, which is convenient for the filter to filter and remove impurities from the grain. A guide wheel is arranged on one side of the bottom end of the impurity removing plate, and a rotating shaft is connected to one side of the box body through a bearing. An eccentric wheel is arranged on the outer wall of the rotating shaft, and the eccentric wheel is abutted against the guide wheel. A servo motor is connected to one side of the box body, and the output end of the servo motor is connected to the rotating shaft. The rotation of the servo motor drives the rotating shaft to rotate, and the rotation of the rotating shaft drives the eccentric wheel to rotate, so that the eccentric wheel drives the guide wheel to reciprocate up and down, thereby driving the impurity removing plate to vibrate, so as to facilitate the impurity removal of the food and avoid clogging of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a grain dryer with impurity removal function of the utility model;

[0015] Figure 2 This is a front view structural diagram of a grain drying machine with impurity removal function according to the utility model;

[0016] Figure 3 This is a schematic diagram of the rotating shaft structure of a grain dryer with impurity removal function according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the structure of the eccentric wheel of a grain dryer with a dirt removal function.

[0018] In the figure: 1. Shell; 2. Drying box; 3. Feed inlet; 4. Partition plate; 5. Rotating rod; 6. Spiral impeller; 7. Driving motor; 8. Temperature-controlled electric heating wire; 9. Feeding port; 10. Hot air blower; 11. Air duct; 12. Exhaust port; 13. Discharging port; 14. De-duster plate; 15. Spring; 16. Filter screen; 17. Fixed seat; 18. Driving motor; 19. Stirring rod; 20. Guide wheel; 21. Rotating shaft; 22. Eccentric wheel; 23. Servo motor; 24. Sliding door; 25. Box door; 26. Waste chute. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 The utility model provides a technical solution: a grain dryer with impurity removal function, comprising a box body 1, a drying box 2 and a rotating rod 5. The drying box 2 is connected to the center of the top of the box body 1 by bolts. A feeding port 3 is arranged on one side of the top of the drying box 2. The grain to be dried can be put into the drying box 2 through the feeding port 3. A partition plate 4 is fixedly connected to the middle part of the drying box 2 by fixing bolts. The partition plate 4 plays a role of separation. The rotating rod 5 is respectively arranged on the upper and lower sides of the partition plate 4. The rotating rod 5 is connected to the drying box 2 by bearings. The rotating rod 5 can rotate in the drying box. The outer walls of the two groups of rotating rods 5 are both surrounded by spiral impellers 6. The spiral directions of the two groups of spiral impellers 6 are opposite. The rotation of the rotating rod 5 can drive the spiral impeller 6 to rotate, thereby realizing the propulsion of the grain. At the same time, the rotation of the spiral impeller 6 can drive the grain to perform a reciprocating turning motion, so that the grain is evenly heated and dried, and incomplete drying caused by uneven heating is avoided.

[0021] Driving motors 7 are provided on both sides of the drying box 2. The two sets of driving motors 7 are respectively connected to the two sets of rotating rods 5. The driving motors 7 can drive the rotating rods 5 to rotate, thereby driving the spiral impeller 6 to rotate, thereby realizing the propulsion of the grain. At the same time, the rotation of the spiral impeller 6 can drive the grain to perform a reciprocating flipping motion, so that the grain is evenly heated and dried. The interior of the partition plate 4 is provided with a temperature-controlled electric heating wire 8. The temperature-controlled electric heating wire 8 is energized and heated to perform a certain drying treatment on the grain. A material guide port 9 is provided on one side of the partition plate 4. The material guide port 9 plays a guiding role, which is convenient for the grain to be transferred from the top of the partition plate 4 to the bottom for flipping and propulsion.

[0022] A hot air blower 10 is arranged on the side of the feed inlet 3 away from the edge of the drying box 2. The hot air blower 10 can blow out hot air to dry the grain. The dual function of the temperature-controlled electric heating wire 8 enables the grain to be dried quickly. One side of the hot air blower 10 is connected to an air duct 11. The end of the air duct 11 away from the hot air blower 10 passes through the drying box 2 and is connected to an exhaust port 12. The hot air blower 10 transmits the hot air to the exhaust port 12 through the air duct 11, and the hot air is discharged into the drying box through the exhaust port 12 to dry the grain in the turning process. A discharge port 13 is arranged on one side of the bottom end of the drying box 2, and the dried grain can be discharged into the box body 1 through the discharge port 13.

[0023] A cleaning plate 14 is provided in the middle of the inner cavity of the box body 1, and the dried grain falls into the surface of the cleaning plate 14 through the discharge port 13. The edge of the cleaning plate 14 is connected to the box body 1 through a spring 15, and the spring 15 plays a connecting role. A filter screen 16 is provided in the middle of the cleaning plate 14, and the filter screen 16 can filter and remove impurities from the grain. A fixed seat 17 is provided on one side of the discharge port 13, and a driving motor 18 is connected to the bottom center of the fixed seat 17. The output end of the driving motor 18 is connected to a stirring rod 19 through a rotating shaft. The stirring rod 19 is located at the top of the filter screen 16, and the driving motor 18 can drive the stirring rod 19 to rotate. The rotation of the stirring rod 19 can stir the grain accumulated on the surface of the filter screen 16 to avoid the grain from piling up in one place, so that the filter screen 16 can filter and remove impurities from the grain.

[0024] A guide wheel 20 is arranged on one side of the bottom end of the impurity removing plate 14, a rotating shaft 21 is connected to one side of the box body 1 through a bearing, an eccentric wheel 22 is arranged on the outer wall of the rotating shaft 21, the eccentric wheel 22 is in contact with the guide wheel 20, a servo motor 23 is connected to one side of the box body 1, and the output end of the servo motor 23 is connected to the rotating shaft 21. The rotation of the servo motor 23 drives the rotating shaft 21 to rotate, and the rotation of the rotating shaft 21 drives the eccentric wheel 22 to rotate, so that the eccentric wheel 22 drives the guide wheel 20 to reciprocate up and down, thereby driving the impurity removing plate 14 to vibrate, thereby facilitating the removal of impurities from the grain and avoiding clogging of the filter screen 15.

[0025] A waste trough 26 is provided at the inner bottom end of the box body 1, and the impurities filtered out by the filter screen 16 will fall into the waste trough 26 for collection. A drawer door 24 is provided at the bottom of one side of the box body 1, and the drawer door 24 corresponds to the waste trough 26. The drawer door 24 can be pulled out to pull out the waste trough 26 for cleaning the filtered impurities. A box door 25 is provided on one side of the box body 1 adjacent to the drawer door 24, and the box door 25 corresponds to the impurity removal plate 15. After the impurities are removed from the grain, the grain can be discharged by opening the box door 25 for the next step of storage.

[0026] Working principle: When using a grain dryer with a de-impurity function, the grain to be dried can be put into the drying box 2 through the feed inlet 3, and the driving motor 7 is started. The driving motor 7 can drive the rotating rod 5 to rotate, thereby driving the spiral impeller 6 to rotate, thereby realizing the propulsion of the grain. At the same time, the rotation of the spiral impeller 6 can drive the grain to perform a reciprocating flipping motion, so that the grain is evenly heated and dried. The interior of the partition plate 4 is provided with a temperature-controlled electric heating wire 8. The temperature-controlled electric heating wire 8 is energized and heated, so that the grain can be dried to a certain extent. The guide port 9 plays a guiding role, which is convenient for the grain to be transferred from the top of the partition plate 4 to the bottom for flipping and propulsion. The hot air blower 10 can blow out hot air to dry the grain. The dual function of the temperature-controlled electric heating wire 8 allows the grain to be dried quickly. The hot air blower 10 transmits the hot air to the exhaust port 12 through the air duct 11, and discharges the hot air into the drying box through the exhaust port 12 to dry the grain in the flipping process. The bottom side of the drying box 2 is provided with a discharge port 1 3. The dried grain can be discharged into the box body 1 through the discharge port 13. The dried grain falls onto the surface of the impurity removal plate 14 through the discharge port 13. The edge of the impurity removal plate 14 is connected to the box body 1 through a spring 15. A filter screen 16 is arranged in the middle of the impurity removal plate 14 to filter and remove impurities from the grain. The driving motor 18 can drive the stirring rod 19 to rotate. The stirring rod 19 can rotate to stir the grain accumulated on the surface of the filter screen 16 to prevent the grain from accumulating in one place, so that the filter screen 16 can filter and remove impurities from the grain. The rotation of the servo motor 23 drives the rotating shaft 21 to rotate, and the rotation of the rotating shaft 21 drives the eccentric wheel 22 to rotate, so that the eccentric wheel 22 drives the guide wheel 20 to reciprocate up and down, thereby driving the impurity removal plate 14 to vibrate, thereby facilitating the removal of impurities from the grain to avoid clogging of the filter screen 15. The impurities filtered out by the filter screen 16 will fall into the waste trough 26 for collection. The waste trough 26 can be pulled out by pulling the drawer door 24 to facilitate the cleaning of the filtered impurities. After the grain impurities are removed, the grain can be discharged for storage by opening the box door 25.

Claims

1. A grain dryer with a function of removing impurities, comprising a box body (1), a drying box (2) and a rotating rod (5), characterized in that: The top center of the box body (1) is connected to a drying box (2) by bolts, a feeding port (3) is arranged on one side of the top of the drying box (2), the middle of the drying box (2) is fixedly connected to a partition plate (4) by fixing bolts, the rotating rods (5) are respectively arranged on the upper and lower sides of the partition plate (4), and the outer walls of the two groups of the rotating rods (5) are both wound with spiral impellers (6), and the spiral directions of the two groups of the spiral impellers (6) are opposite.

2. The grain dryer with impurity removal function according to claim 1, characterized in that: Drive motors (7) are provided on both sides of the drying box (2), and two groups of the drive motors (7) are respectively connected to the two groups of the rotating rods (5). The interior of the partition plate (4) is provided with temperature-controlled electric heating wires (8), and one side of the partition plate (4) is provided with a material guide port (9).

3. The grain dryer with impurity removal function according to claim 1, characterized in that: A hot air blower (10) is arranged on the side of the feed inlet (3) away from the edge of the drying box (2); one side of the hot air blower (10) is connected to an air duct (11); one end of the air duct (11) away from the hot air blower (10) passes through the drying box (2) and is connected to an exhaust port (12); and a discharge port (13) is arranged on one side of the bottom end of the drying box (2).

4. The grain dryer with impurity removal function according to claim 3 is characterized in that: A de-impurity plate (14) is arranged in the middle of the inner cavity of the box body (1), and the edge of the de-impurity plate (14) is connected to the box body (1) via a spring (15). A filter screen (16) is arranged in the middle of the de-impurity plate (14). A fixed seat (17) is arranged on one side of the discharge port (13), and a driving motor (18) is connected to the center of the bottom end of the fixed seat (17). The output end of the driving motor (18) is connected to a stirring rod (19) via a rotating shaft, and the stirring rod (19) is located on the top of the filter screen (16).

5. The grain dryer with impurity removal function according to claim 4, characterized in that: A guide wheel (20) is arranged on one side of the bottom end of the impurity removing plate (14); a rotating shaft (21) is connected to one side of the housing (1) via a bearing; an eccentric wheel (22) is arranged on the outer wall of the rotating shaft (21); the eccentric wheel (22) is in contact with the guide wheel (20); a servo motor (23) is connected to one side of the housing (1); an output end of the servo motor (23) is connected to the rotating shaft (21).

6. The grain dryer with impurity removal function according to claim 1, characterized in that: A waste trough (26) is provided at the inner bottom end of the box body (1), a drawer door (24) is provided at the bottom of one side of the box body (1), the drawer door (24) corresponds to the waste trough (26), and a box door (25) is provided on one side of the box body (1) adjacent to the drawer door (24).

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