Grain conveying device of grain dryer

Abstract

The utility model belongs to the field of grain drying machines, and particularly relates to a grain conveying device of a grain drying machine. An auger is arranged in the middle of the feeding pipe; the end part of the auger is connected with a shaft; the end part of the connecting shaft is fixedly connected with a motor; a support is fixedly connected to the feeding pipe. The top end of the feeding pipe is fixedly connected with a material distribution cover; the material distribution cover is designed to be of a conical structure, by arranging the material distribution cover, when the device is used, a motor drives an auger to rotate, so that grains at the bottom of the tank body are lifted to the top, then fall onto the material distribution cover and then fall off from a first through groove in the material distribution cover, and by means of the arrangement, the effect of uniform material distribution can be improved; and therefore, the grain drying uniformity is improved, the grains are more dispersed, the contact area with hot air is increased, and drying is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of grain dryers, in particular to a grain conveying device of a grain dryer. Background Art

[0002] Grain dryer refers to mechanical equipment used to dry grains. It mainly relies on a hot air blower to generate hot air, which takes away the moisture in the grains, thereby drying the grains.

[0003] In the current existing technology, the grain dryer is mainly composed of a tank body, a hot air drying mechanism, and a conveying device. The hot air drying device is used to blow hot air into the tank body. The conveying device is composed of a motor, an auger and a feeding pipe. The auger is located in the middle of the feeding pipe. The motor drives the auger to rotate, thereby lifting the grains at the bottom of the tank body to the top, and then the grains fall from the top of the tank body. During the falling process, the hot air is used to dry the grains, and the auger is used to continuously rotate to lift the grains, so as to complete the drying of the grains in the dryer.

[0004] However, when the grains are transported by the auger and sprayed out from the top of the feed pipe, the grain distribution is poor, which leads to poor uniformity in the contact between the hot air and the grains, thus affecting the uniformity of grain drying; therefore, a grain conveying device for a grain dryer is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a grain conveying device for a grain dryer.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a grain conveying device of a grain dryer described in the utility model comprises a feeding pipe; an auger is provided in the middle of the feeding pipe; the end of the auger is connected to a shaft; a motor is fixedly connected to the end of the connecting shaft; a bracket is fixedly connected to the feeding pipe; a cloth cover is fixedly connected to the top of the feeding pipe; the cloth cover is designed in a conical structure; a plurality of first through grooves are opened on the cloth cover, and the auger is driven by a motor to rotate, so that the grains at the bottom of the tank body are lifted to the top, and then fall onto the cloth cover, and then fall from the first through grooves on the cloth cover. Relying on this arrangement, the effect of uniform distribution of the grains can be improved, thereby facilitating the improvement of the uniformity of grain drying, and the grains are more dispersed, the contact area with hot air is increased, and drying is convenient.

[0007] Preferably, a slot is provided on the connecting shaft; a fixed seat is slidably connected to both sides of the slot; the two fixed seats are connected by fasteners; a support rod is fixedly connected to the side of the fixed seat; a plurality of support rods are provided on the connecting shaft; a scraper is fixedly connected to the bottom end of the support rod; the surface of the scraper fits the surface of the cloth cover; the support rod is located at the top of the feeding tube, and the grains on the cloth cover can be flattened by rotating the scraper, so that the grains can be easily dropped and the uniformity of grain distribution can be improved, which is beneficial to improving the drying effect of the grains.

[0008] Preferably, a support is fixedly connected to the surface of the feeding tube; an adjusting ring is rotatably connected to the support; a connecting frame is fixedly connected to the adjusting ring; an adjusting cover is fixedly connected to the connecting frame; the adjusting cover is fitted with the inner wall of the fabric cover; and a second through groove is provided on the adjusting cover.

[0009] Preferably, an adjusting shaft is rotatably connected to the support; a worm is fixedly connected to the adjusting shaft; a worm wheel is fixedly connected to the bottom of the adjusting ring; and the worm and the worm wheel are meshed with each other.

[0010] Preferably, the scraper is designed to be an arc-shaped structure; and a plurality of air holes are provided on the feeding pipe.

[0011] Preferably, the bottom end of the auger is rotatably connected to a screening plate; the bottom end of the auger is fixedly connected to a fixing seat; a plurality of stirring plates are fixedly connected to the fixing seat; the stirring plates are located on top of the screening plate.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model is provided with a cloth cover. When in use, the motor drives the auger to rotate, so that the grains at the bottom of the tank are lifted to the top, and then fall onto the cloth cover, and then fall from the first through slot on the cloth cover. This setting can improve the effect of uniform distribution of grains, thereby facilitating the improvement of the uniformity of grain drying, and the grains are more dispersed, and the contact area with the hot air is increased, which is convenient for drying;

[0014] 2. The utility model sets a fixed seat, a support rod and a scraper. When the auger rotates, it will drive the support rod and the scraper to rotate. The rotation of the scraper can flatten the grains on the cloth cover, which can facilitate the falling of the grains and improve the uniformity of the grain distribution, which is beneficial to improving the drying effect of the grains. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the fabric cover of the utility model;

[0018] Figure 3 This is a schematic diagram of the screening plate structure of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the adjustment cover of the utility model.

[0020] In the figure: 11, feeding pipe; 12, bracket; 13, motor; 14, connecting shaft; 15, auger; 16, cloth cover; 21, fixing seat; 22, support rod; 23, scraper; 31, support; 32, adjusting ring; 33, adjusting cover; 41, adjusting shaft; 42, worm; 43, worm wheel; 5, air vent; 61, screening plate; 62, stirring plate; 7, hand wheel. DETAILED DESCRIPTION

[0021] 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.

[0022] Specific examples are given below.

[0023] See also Figure 1-4As shown, a grain conveying device for a grain dryer comprises a feeding pipe 11; an auger 15 is provided in the middle of the feeding pipe 11; a connecting shaft 14 is connected to the end of the auger 15; a motor 13 is fixedly connected to the end of the connecting shaft 14; a bracket 12 is fixedly connected to the feeding pipe 11; a cloth cover 16 is fixedly connected to the top of the feeding pipe 11; the cloth cover 16 is designed in a conical structure; a plurality of first through grooves are provided on the cloth cover 16; during installation, the connecting shaft 14 is rotatably connected and installed on the tank body of the dryer through a bearing, The motor 13 is fixed on the tank body of the dryer. When in use, the motor 13 drives the auger 15 to rotate, thereby lifting the grains at the bottom of the tank body to the top, and then falling onto the cloth cover 16, and then falling from the first through slot on the cloth cover 16. This setting can improve the effect of uniform distribution of the cloth, thereby facilitating the improvement of the uniformity of grain drying, and making the grains more dispersed, increasing the contact area with the hot air, and facilitating drying. The bracket 12 is connected and fixed to the inner wall of the tank body, and is used to fix the feeding pipe 11.

[0024] Further, such as Figure 2 As shown, a slot is provided on the connecting shaft 14; a fixing seat 21 is slidably connected to both sides of the slot; the two fixing seats 21 are connected by fasteners; a support rod 22 is fixedly connected to the side of the fixing seat 21; a plurality of support rods 22 are provided on the connecting shaft 14; a scraper 23 is fixedly connected to the bottom end of the support rod 22; the surface of the scraper 23 fits the surface of the cloth cover 16; the support rod 22 is located at the top of the feeding tube 11; during installation, the two fixing seats 21 are fixed to the slots on the connecting shaft 14 by fasteners, so as to fix the support rod 22, and during the rotation of the auger 15, it will drive the support rod 22 and the scraper 23 to rotate, and the grains on the cloth cover 16 can be flattened by the rotation of the scraper 23, so that the grains can be conveniently dropped, and it is convenient to improve the uniformity of grain distribution, which is beneficial to improving the drying effect of the grains.

[0025] Further, such as Figure 4As shown, a support 31 is fixedly connected to the surface of the feeding tube 11; an adjusting ring 32 is rotatably connected to the support 31; a connecting frame is fixedly connected to the adjusting ring 32; an adjusting cover 33 is fixedly connected to the connecting frame; the adjusting cover 33 is fitted with the inner wall of the fabric cover 16; a second through groove is provided on the adjusting cover 33; an adjusting shaft 41 is rotatably connected to the support 31; a worm 42 is fixedly connected to the adjusting shaft 41; a worm wheel 43 is fixedly connected to the bottom of the adjusting ring 32; the worm 42 and the worm wheel 43 mesh with each other; during installation, The adjusting shaft 41 extends to the outside of the tank body of the dryer. The adjusting shaft 41 is rotated to drive the worm 42 to rotate. The worm 42 and the worm wheel 43 are meshed to drive the worm wheel 43 to drive the adjusting ring 32 to rotate, and then drive the adjusting cover 33 to rotate, so that the staff can adjust the adjusting cover 33 conveniently. By rotating the adjusting cover 33, the overlapping area of ​​the second through groove and the first through groove on the fabric cover 16 can be adjusted, and then the amount of grain falling can be adjusted, which is convenient for the staff to adjust according to needs.

[0026] Further, such as Figure 3 As shown, the scraper 23 is designed with an arc-shaped structure; a plurality of air holes 5 are provided on the feed pipe 11; when in use, the diameter of the air hole 5 is smaller than the particle size of the grains. Since hot air is blown into the tank of the dryer, the air holes 5 are used to heat the grains in the feed pipe 11 to a certain extent with the hot air. The closed feed pipe 11 will prevent the hot air from being blown into the feed pipe 11. The arc-shaped scraper 23 can push the grains to move on the inclined surface of the distribution plate, so as to facilitate uniform distribution and dispersion of the grains.

[0027] Further, such as Figure 3 As shown, the bottom end of the auger 15 is rotatably connected to a screening plate 61; the bottom end of the auger 15 is fixedly connected to a fixing seat 21; a plurality of stirring plates 62 are fixedly connected to the fixing seat 21; the stirring plates 62 are located on the top of the screening plate 61; when in use, the dust of the grains will be screened by the screening plate 61, so that the dust in the grains can be easily removed, and during the rotation of the auger 15, the stirring plates 62 at the bottom of the auger 15 will drive the grains on the top of the screening plate 61 at the bottom of the tank to be stirred, so that screening and dust removal can be easily performed.

[0028] Further, such as Figure 2 As shown, a hand wheel 7 is fixedly connected to the end of the adjusting shaft 41, and the hand wheel 7 is used to conveniently rotate the adjusting shaft 41 for convenient use and adjustment.

[0029] Working principle: during installation, the connecting shaft 14 is rotatably connected and installed on the tank body of the dryer through the bearing, and the motor 13 is fixed on the tank body of the dryer. During use, the motor 13 drives the auger 15 to rotate, thereby lifting the grains at the bottom of the tank body to the top, and then falling onto the cloth cover 16, and then falling from the first through slot on the cloth cover 16. This setting can improve the effect of uniform distribution of grains, thereby facilitating the improvement of the uniformity of grain drying, and making the grains more dispersed, increasing the contact area with the hot air, and facilitating drying. The bracket 12 and the tank body are connected. The inner walls are connected and fixed to fix the feed pipe 11. The two fixing seats 21 are fixed by fasteners and the slots on the connecting shaft 14, so as to fix the support rod 22. During the rotation of the auger 15, it will drive the support rod 22 and the scraper 23 to rotate. The rotation of the scraper 23 can flatten the grains on the cloth cover 16, so that the grains can fall easily and the uniformity of grain distribution can be improved, which is beneficial to improving the drying effect of the grains. The adjusting shaft 41 extends to the outside of the tank of the dryer. By rotating the adjusting shaft 4 1, thereby driving the worm 42 to rotate, relying on the meshing transmission of the worm 42 and the worm wheel 43 to make the worm wheel 43 drive the adjusting ring 32 to rotate, and then drive the adjusting cover 33 to rotate, so that it is convenient for the staff to adjust the adjusting cover 33, relying on the rotation of the adjusting cover 33, so as to adjust the overlapping area of ​​the second through slot and the first through slot on the cloth cover 16, and then adjust the amount of grain falling, so that the staff can adjust according to the needs, the diameter of the air hole 5 is smaller than the particle size of the grain, because hot air will be blown into the tank of the dryer, the air hole 5 Hot air is used to heat the grains in the feeding pipe 11 to a certain extent. The closed feeding pipe 11 will prevent the hot air from blowing into the feeding pipe 11. The arc-shaped scraper 23 can push the grains to move on the inclined surface of the distribution plate, so it is easy to evenly distribute and disperse the grains. The dust of the grains will be screened by the screening plate 61, so that the dust in the grains can be easily removed. During the rotation of the auger 15, the stirring plate 62 at the bottom of the auger 15 will drive the grains on the top of the screening plate 61 at the bottom of the tank to be stirred, so it is easy to screen and remove dust.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A grain conveying device for a grain dryer, comprising a feeding pipe (11); a screw auger (15) is provided in the middle of the feeding pipe (11); and the characteristics are: The end of the auger (15) is connected to a shaft (14); a motor (13) is fixedly connected to the end of the connecting shaft (14); a bracket (12) is fixedly connected to the feed pipe (11); a fabric cover (16) is fixedly connected to the top of the feed pipe (11); the fabric cover (16) is designed in a conical structure; and a plurality of first through grooves are provided on the fabric cover (16).

2. A grain conveying device for a grain dryer according to claim 1, characterized in that: The connecting shaft (14) is provided with a slot; fixed seats (21) are slidably connected to both sides of the slot; the two fixed seats (21) are connected by fasteners; a support rod (22) is fixedly connected to the side of the fixed seat (21); a plurality of support rods (22) are provided on the connecting shaft (14); a scraper (23) is fixedly connected to the bottom end of the support rod (22); the surface of the scraper (23) is in contact with the surface of the cloth cover (16); and the support rod (22) is located at the top of the feeding pipe (11).

3. A grain conveying device for a grain dryer according to claim 2, characterized in that: A support (31) is fixedly connected to the surface of the feeding pipe (11); an adjusting ring (32) is rotatably connected to the support (31); a connecting frame is fixedly connected to the adjusting ring (32); an adjusting cover (33) is fixedly connected to the connecting frame; the adjusting cover (33) is fitted with the inner side wall of the fabric cover (16); and a second through groove is formed on the adjusting cover (33).

4. A grain conveying device for a grain dryer according to claim 3, characterized in that: The support (31) is rotatably connected with an adjusting shaft (41); a worm (42) is fixedly connected to the adjusting shaft (41); a worm wheel (43) is fixedly connected to the bottom of the adjusting ring (32); and the worm (42) and the worm wheel (43) are meshed with each other.

5. A grain conveying device for a grain dryer according to claim 2, characterized in that: The scraper (23) is designed to be an arc-shaped structure; and a plurality of air holes (5) are provided on the feeding pipe (11).

6. A grain conveying device for a grain dryer according to claim 1, characterized in that: The bottom end of the auger (15) is rotatably connected to a screening plate (61); the bottom end of the auger (15) is fixedly connected to a fixing seat (21); a plurality of stirring plates (62) are fixedly connected to the fixing seat (21); and the stirring plates (62) are located on top of the screening plate (61).

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