Air supply pipe for grain drying

Abstract

The utility model discloses an air supply pipe for grain drying, which belongs to the technical field of grain drying, and comprises a connecting pipe, a filter plate is fixedly connected in the connecting pipe, a case is fixedly connected above the connecting pipe, a double-end motor is fixedly connected in the case, and the double-end motor is fixedly connected above the connecting pipe. The output end of the double-head motor is fixedly connected with a bevel gear I. By arranging the filter plate in the connecting pipe, dust blown into the air supply pipe by the dryer can be filtered, the problem that dust impurities are blown to grains through the air supply pipe is solved, and the situation that the impurities are increased and the quality is reduced due to grain drying is avoided; the cleaning brush driven by the double-end motor is arranged in the connecting pipe, the automatic cleaning function of the filter plate is achieved, the problem that the filter plate is difficult to clean is solved, meanwhile, the dust collection box is arranged at the bottom of the connecting pipe, dust can be collected in a centralized mode, the dust is conveniently cleaned through the scraper and the pull rod, operation is easy, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to grain drying technical field, concretely is a kind of air supply pipe for grain drying. BACKGROUND

[0002] In modern agricultural production, grain drying is a crucial link. With the development of science and technology, efficient grain drying technology is constantly progressing, aiming to improve drying efficiency and ensure grain quality. Grain dryer as key equipment, through the contact of hot air and grain, accelerate the evaporation speed of internal moisture of grain, so as to realize the purpose of rapid drying, air supply pipe is the key component in grain dryer, its main role is to transport the heated hot air to grain pile or grain dryer, so that hot air and grain are fully contacted, accelerate the drying process of grain. The design and optimization of air supply pipe are of great significance to improve drying efficiency and ensure grain quality.

[0003] The prior art also has the following shortcomings:

[0004] 1. The existing air supply pipe for grain drying lacks filtering function during use. When the dryer blows air to the grain through the air supply pipe, dust in the external environment is also blown to the grain, which has adverse effects on the grain.

[0005] 2. The existing air supply pipe for grain drying lacks the function of collecting dust filtered by the filter plate during use. The accumulation of large amount of dust on the filter plate will cause the filter effect of the filter plate to deteriorate, affect the efficiency of air supply and reduce the drying effect. INVENTION CONTENTS

[0006] In order to overcome the above defects, the utility model provides an air supply pipe for grain drying, which solves the problems of lack of filtering function and collecting dust on the filter plate.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an air supply pipe for grain drying, comprising a connecting pipe, a filter plate is fixedly connected inside the connecting pipe, a machine box is fixedly connected above the connecting pipe, a double-head motor is fixedly connected inside the machine box, a bevel gear one is fixedly connected to the output end of the double-head motor, two bidirectional threaded rods are rotatably connected inside the connecting pipe, the upper end of the bidirectional threaded rod penetrates the top of the connecting pipe and is rotatably connected with the upper wall of the connecting pipe, a bevel gear two is fixedly connected above the bidirectional threaded rod, the bevel gear two is engaged with the bevel gear one, and a cleaning brush is threadedly connected to the outer side of the two bidirectional threaded rods.

[0008] As a further scheme of the utility model: a dust collecting box is communicated and arranged below the connecting pipe, and a dust outlet is formed in one side of the dust collecting box.

[0009] As a further scheme of the utility model: the inside of the dust collecting box is slidably connected with a scraper, the scraper is attached to the inner wall of the dust collecting box, one side of the scraper is fixedly connected with a pull rod, the end of the pull rod away from the scraper penetrates through the side wall of the connecting pipe.

[0010] As a further scheme of the utility model: the side of the pull rod close to the dust outlet is fixedly connected with a baffle, the baffle is matched with the dust outlet.

[0011] As a further scheme of the utility model: the lower part of the dust collecting box is fixedly connected with a lock seat, the lock seat is provided with a lock groove, the inner bottom of the baffle is slidably connected with a lock block, the upper part of the lock block is fixedly connected with a spring, the lock block is matched with the lock groove of the lock seat.

[0012] As a further scheme of the utility model: the two ends of the connecting pipe are respectively provided with a blast pipe through bolt communication.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. By setting the filter plate inside the connecting pipe, the dust in the blast pipe blown by the dryer can be filtered, the problem that dust impurities are blown to the grain through the blast pipe is solved, and the increase of impurities and the reduction of quality caused by drying of the grain are avoided.

[0015] 2. By setting the cleaning brush driven by the double-head motor inside the connecting pipe, the automatic cleaning function of the filter plate is realized, the problem of difficult cleaning of the filter plate is solved, and the dust collecting box is arranged at the bottom of the connecting pipe, so that the dust can be collected, and the dust can be conveniently cleaned through the scraper and the pull rod, so that the operation is simple and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic view of the utility model.

[0017] Figure 2 It is the connecting pipe section view of the utility model.

[0018] Figure 3 It is the dust collecting box section view of the utility model.

[0019] Figure 4 It is the locking mechanism section view of the utility model.

[0020] In the drawing: 1, connecting pipe; 2, filter plate; 3, machine box; 4, double-head motor; 5, bevel gear one; 6, bevel gear two; 7, bidirectional threaded rod; 8, cleaning brush; 9, dust collecting box; 10, scraper; 11, pull rod; 12, baffle; 13, lock block; 14, spring; 15, lock seat; 16, blast pipe; 17, bolt. DETAILED DESCRIPTION

[0021] The technical solutions of the patent will be further described in detail in combination with the specific embodiments.

[0022] As Figures 1-4 shown, the utility model provides a technical scheme:

[0023] A kind of air supply pipe for grain drying, including connecting pipe 1, the inside fixed connection of connecting pipe 1 is equipped with filter plate 2, the upper fixed connection of connecting pipe 1 is equipped with machine box 3, the inside fixed connection of machine box 3 is equipped with double -end motor 4, the output end of double -end motor 4 is respectively fixed connection is equipped with bevel gear one 5, the inside rotationally connected of connecting pipe 1 is equipped with two bidirectional threaded rods 7, the top of bidirectional threaded rods 7 penetrates the top of connecting pipe 1 and is rotationally connected with the upper wall of connecting pipe 1, the upper fixed connection of bidirectional threaded rods 7 is equipped with bevel gear two 6, bevel gear two 6 is engaged with bevel gear one 5, the outside screw connection of two bidirectional threaded rods 7 is equipped with cleaning brush 8, when the air that dryer blows passes through filter plate 2, dust impurities can be filtered out by filter plate 2, when dust is accumulated on filter plate 2, need to clean filter plate 2, first close dryer, then start double -end motor 4, the output end of double -end motor 4 passes through two ends, is driven two bevel gear two 6 by two bevel gear one 5 fixedly connected with it, when two bevel gear two 6 rotates, drive the rotation of two bidirectional threaded rods 7 below it, at this time, cleaning brush 8 does perpendicular reciprocating motion along the direction of bidirectional threaded rods 7, and the dust on filter plate 2 is cleaned down.

[0024] The lower side of connecting pipe 1 is communicated and is provided with dust collection box 9, a side of dust collection box 9 is equipped with dust outlet, the inside sliding connection of dust collection box 9 is equipped with scraper 10, scraper 10 is attached to the inner wall of dust collection box 9, one side of scraper 10 is fixedly connected with pull rod 11, the end of pull rod 11 away from scraper 10 penetrates the side wall of connecting pipe 1, the dust cleaned by cleaning brush 8 falls into the inside of dust collection box 9 below, at this time, operator holds the end of pull rod 11, and pulls pull rod 11 towards outside, drives scraper 10 to move towards the direction of dust outlet, and the dust in the inside of dust collection box 9 is scraped up and is discharged through dust outlet.

[0025] The dust collecting box 9 is fixedly connected with a dust outlet, and the dust outlet is provided with a baffle 12. The baffle 12 is fixedly connected with a pull rod 11. The pull rod 11 is fixedly connected with a scraping plate 10. The scraping plate 10 is provided with a dust outlet. The dust outlet is provided with a lock block 13. The lock block 13 is slidably connected with the baffle 12. The baffle 12 is provided with a spring 14. The spring 14 is fixedly connected with the lock block 13. The lock block 13 is provided with a lock seat 15. When the operator needs to clean the dust accumulated in the dust collecting box 9, first, one hand presses the lock block 13 upwards, so that the spring 14 is contracted, and then the other hand pulls the pull rod 11, so that the baffle 12 is unlocked. When the baffle 12 is unlocked, the dust outlet is opened. When the cleaning is completed, the pull rod 11 is pushed towards the inside, so that the scraping plate 10 is reset, and the baffle 12 drives the lock block 13 to be inserted into the lock seat 15, so that the closing of the dust outlet is completed.

[0026] The connecting pipe 1 is provided with a gas inlet pipe 3 and a gas outlet pipe 4.

[0027] The working principle of the utility model is as follows:

[0028] When the air blown by the dryer passes through the filter plate 2, the dust impurities can be filtered out by the filter plate 2, so that the problem that the dust impurities are blown to the grain through the air supply pipe 16 is solved, and the problem that the quality of the grain is reduced due to the increase of impurities caused by drying is avoided. When the dust is accumulated on the filter plate 2 and the filter plate 2 needs to be cleaned, first, the dryer is closed, and then the double-head motor 4 is started. The double-head motor 4 is connected with the output ends at both ends, drives the two bevel gears two 6 to rotate through the two bevel gears one 5 fixedly connected therewith, drives the two bidirectional threaded rods 7 below to rotate when the two bevel gears two 6 rotate, and at this time, the cleaning brush 8 moves vertically along the direction of the bidirectional threaded rod 7 to clean the dust on the filter plate 2, so that the automatic cleaning function of the filter plate 2 is realized, and the problem that the filter plate 2 is difficult to clean is solved. The dust cleaned by the cleaning brush 8 falls into the dust collecting box 9 below. When the operator needs to clean the dust accumulated in the dust collecting box 9, first, one hand presses the lock block 13 upwards, so that the spring 14 is contracted, and then the other hand pulls the pull rod 11, so that the baffle 12 is unlocked. When the baffle 12 is unlocked, the dust outlet is opened. The operator holds one end of the pull rod 11 and pulls the pull rod 11 towards the outside, drives the scraping plate 10 to move towards the dust outlet, scrapes the dust in the dust collecting box 9, and discharges the dust through the dust outlet. When the cleaning is completed, the pull rod 11 is pushed towards the inside, so that the scraping plate 10 is reset, and the baffle 12 drives the lock block 13 to be inserted into the lock seat 15, so that the closing of the dust outlet is completed.

[0029] The above describes the preferred embodiment of the patent in detail, but the patent is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the patent.

Claims

1. A blast pipe for drying grain, comprising a connecting pipe (1), characterized in that: The inside of the connecting pipe (1) is fixedly connected with a filter plate (2), the upper portion of the connecting pipe (1) is fixedly connected with a machine box (3), the inside of the machine box (3) is fixedly connected with a double-head motor (4), the output end of the double-head motor (4) is fixedly connected with a bevel gear one (5) respectively, the inside of the connecting pipe (1) is rotatably connected with two bidirectional threaded rods (7), the upper end of the bidirectional threaded rod (7) penetrates through the top of the connecting pipe (1) and is rotatably connected with the upper wall of the connecting pipe (1), the upper portion of the bidirectional threaded rod (7) is fixedly connected with a bevel gear two (6), the bevel gear two (6) is engaged with the bevel gear one (5), the outer side of the two bidirectional threaded rods (7) is threadedly connected with a cleaning brush (8).

2. The air supply pipe for drying grain according to claim 1, characterized in that: The lower portion of the connecting pipe (1) is communicatively provided with a dust collecting box (9), one side of the dust collecting box (9) is provided with a dust outlet.

3. The air supply pipe for drying grain according to claim 2, characterized in that: The inside of the dust collecting box (9) is slidably connected with a scraper (10), the scraper (10) is attached to the inner wall of the dust collecting box (9), one side of the scraper (10) is fixedly connected with a pull rod (11), the end, away from the scraper (10), of the pull rod (11) penetrates through the side wall of the connecting pipe (1).

4. The air supply pipe for drying grain according to claim 3, characterized in that: One side of the pull rod (11), close to the dust outlet, is fixedly connected with a baffle (12), the baffle (12) is matched with the dust outlet.

5. The air supply duct for drying grain according to claim 4, characterized in that: The lower portion of the dust collecting box (9) is fixedly connected with a lock seat (15), the lock seat (15) is provided with a lock groove, the inner bottom of the baffle (12) is slidably connected with a lock block (13), the upper portion of the lock block (13) is fixedly connected with a spring (14), the lock block (13) is matched with the lock groove on the lock seat (15).

6. The air supply duct for drying grain according to claim 5, characterized in that: The two ends of the connecting pipe (1) are respectively communicatively provided with a air supply pipe (16) through bolts (17).

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