CN108432429B - Self-cleaning electric fertilizer apparatus with external grooved wheel - Google Patents

Abstract

A self-cleaning electric fertilizer discharger with external grooved wheels belongs to agricultural machinery; the external part of one side wall of the outer sheave type fertilizer distributor shell is fixedly provided with a driving box body with a worm wheel and a worm, the worm wheel is fixedly arranged on a fertilizer distributing driving shaft, the worm is connected with a motor, an electromagnetic clutch and a driving gear are sleeved on the fertilizer distributing driving shaft, a self-cleaning threaded shaft is fixedly arranged on the outer sheave fertilizer distributor shell, a tooth plate type fertilizer cleaning wheel can be axially movably arranged on the self-cleaning threaded shaft, the tooth plate type fertilizer cleaning wheel is meshed with a fertilizer distributing outer sheave, a driven gear fixedly arranged on the self-cleaning threaded shaft is meshed with the driving gear, a first proximity switch and a second proximity switch are respectively and fixedly arranged on opposite side walls of the outer sheave fertilizer distributor shell, a first proximity switch and a second proximity switch are communicated with the electromagnetic clutch through a lead, and the transmission ratio of the driving gear to the driven gear is 1: 2; the mechanism has novel, reasonable and compact structure, timely clearance of the adhered fertilizer, avoidance of blockage, stable fertilizing effect and reliable operation.

Description

Self-cleaning electric fertilizer apparatus with external grooved wheel

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a self-cleaning electric outer grooved wheel fertilizer distributor for precision fertilization.

Background

China is a big agricultural country, but because the application of chemical fertilizers in China is not reasonable, the utilization rate of the chemical fertilizers is low, and serious environmental pollution is caused. In recent years, the agricultural system of China is gradually improved, and a technology for precisely mixing and fertilizing various single-element fertilizers as required is provided, so that the excessive rough application of the fertilizers is reduced, and the environment is protected. The fertilizers such as calcium superphosphate, potassium chloride and the like are usually in powder form and are processed into granules for the second time, the hardness of the granular fertilizers such as the calcium superphosphate and the potassium chloride is lower than that of urea granules, the granular fertilizers are crushed by extrusion and collision in the fertilizer application process by using the outer sheave fertilizer applicator to generate a certain amount of powder, and the powder fertilizers are adhered to and block the outer sheave fertilizer applicator to influence the fertilizer application precision. Therefore, it is an urgent problem to solve to develop a fertilizer discharging device for automatically cleaning the stuck and blocked fertilizer.

Disclosure of Invention

The invention aims to solve the problems in the prior art and designs a self-cleaning type electric outer sheave fertilizer discharger with a novel structure, so that the aims of automatically cleaning stuck and blocked fertilizer, simple overall structure, reliable use and high fertilizing precision are fulfilled.

The purpose of the invention is realized as follows: the self-cleaning electric outer sheave fertilizer distributor comprises an outer sheave fertilizer distributor shell, a fertilizer distributor driving shaft is rotatably inserted and arranged on the outer sheave fertilizer distributor shell, an outer fertilizer distributor sheave is fixedly arranged on the fertilizer distributor driving shaft and positioned at the inner side of the cavity of the outer sheave fertilizer distributor shell, a driving box body is fixedly arranged on the outer part of one side wall of the outer sheave fertilizer distributor shell, a worm wheel and a worm are mutually meshed and arranged in the driving box body, the worm wheel is fixedly sleeved on the fertilizer distributor driving shaft, the worm is connected with a motor, a power distribution and driving gear are sequentially sleeved on the outer side part of the driving box body of the fertilizer distributor driving shaft, the driving gear is rotatably arranged on the fertilizer distributor driving shaft, an electromagnetic clutch and the driving gear are fixedly connected into a whole, a fixedly-mounted self-cleaning threaded shaft which is mutually parallel to the fertilizer distributor driving shaft is arranged on the outer sheave fertilizer distributor shell, and a tooth plate type fertilizer cleaning wheel which can axially move through threaded fit is arranged on the self-cleaning threaded shaft, the tooth-tooth plate type fertilizer cleaning wheel and the fertilizer discharging outer grooved wheel are mutually inserted and meshed, a driven gear is fixedly arranged on a self-cleaning threaded shaft and meshed with a driving gear, a first proximity switch and a second proximity switch are fixedly arranged on two opposite side walls of a shell of the fertilizer discharging device of the outer grooved wheel respectively and are mutually matched with the tooth-tooth plate type fertilizer cleaning wheel respectively, and a lead respectively communicates the first proximity switch and the second proximity switch with an electromagnetic clutch; the transmission ratio of the driving gear to the driven gear is 1: 2.

the invention adopts the combined structure of the electric drive and the proximity switch and the electromagnetic clutch to realize the function of cleaning the stuck and blocked fertilizer by the automatic reciprocating motion of the outer grooved wheel fertilizer distributor, and has the characteristics of novel and reasonable structural design, compact integral size, timely cleaning of the stuck fertilizer, blockage avoidance, stable fertilizing effect and reliable operation.

Drawings

Fig. 1 is a general structural schematic diagram of a self-cleaning electric outer sheave fertilizer distributor.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

Description of part numbers in the figures:

the fertilizer discharging device comprises a driven gear 1, a driving gear 2, an electromagnetic clutch 3, a driving box 4, a self-cleaning threaded shaft 5, an outer grooved pulley fertilizer discharger shell 6, a tooth plate type fertilizer cleaning wheel 7, a fertilizer discharging outer grooved pulley 8, a first proximity switch 9, a second proximity switch 10, a motor 11, a worm gear 12, a fertilizer discharging driving shaft 13 and a worm 14.

Detailed Description

As shown in fig. 1, 2 and 3, the self-cleaning electric outer sheave fertilizer distributor comprises an outer sheave fertilizer distributor shell 6, a fertilizer distributor driving shaft 13 is rotatably inserted and assembled on the outer sheave fertilizer distributor shell 6, an outer fertilizer distributor sheave 8 is fixedly assembled on the fertilizer distributor driving shaft 13 and positioned at the inner side of the cavity of the outer sheave fertilizer distributor shell 6, a driving box body 4 is fixedly assembled on the outer part of one side wall of the outer sheave fertilizer distributor shell 6, a worm wheel 12 and a worm 14 are assembled in the driving box body 4 in an engaged manner, the worm wheel 12 is fixedly sleeved on the fertilizer distributor driving shaft 13, the worm 14 is connected with a motor 11, a power distribution electromagnetic clutch 3 and a driving gear 2 are sequentially sleeved on the outer side part of the fertilizer distributor driving shaft 13 positioned on the driving box body 4, the driving gear 2 is rotatably installed on the fertilizer distributor driving shaft 13, the power distribution electromagnetic clutch 3 and the driving gear 2 are fixedly connected into a whole, and a fixedly-assembled self-cleaning screw thread shaft 13 which is arranged on the outer sheave fertilizer distributor shell 6 in parallel to the fertilizer distributor 5, a tooth plate type fertilizer cleaning wheel 7 is mounted on the self-cleaning threaded shaft 5 and can axially move through threaded fit, the tooth plate type fertilizer cleaning wheel 7 and a fertilizer discharging outer grooved pulley 8 are in mutual insertion meshing fit, a driven gear 1 is fixedly mounted on the self-cleaning threaded shaft 5, the driven gear 1 is meshed with a driving gear 2, a first proximity switch 9 and a second proximity switch 10 are fixedly mounted on two opposite side walls of an outer grooved pulley fertilizer discharger shell 6 respectively, the first proximity switch 9 and the second proximity switch 10 are matched with the tooth plate type fertilizer cleaning wheel 7 respectively, and a lead respectively communicates the first proximity switch 9 and the second proximity switch 10 with an electromagnetic clutch 3; the transmission ratio of the driving gear 2 to the driven gear 1 is 1: 2.

during operation, the motor 11 is electrified to keep a working state, the driving worm 14 and the worm wheel 12 mechanism drive the fertilizer discharging driving shaft 13 to rotate, and fertilizer is discharged through the rotating fertilizer discharging outer grooved wheel 8. At the moment, the toothed plate type fertilizer cleaning wheel 7 at the initial position at the left end of the fertilizer discharging outer grooved wheel 8 rotates under the driving of the fertilizer discharging outer grooved wheel 8, the rotating toothed plate type fertilizer cleaning wheel 7 moves towards the right end of the fertilizer discharging outer grooved wheel 8 under the matching of the internal thread of the central hole of the rotating toothed plate type fertilizer cleaning wheel 7 and the external thread of the self-cleaning threaded shaft 5, powder fertilizer stuck on the fertilizer discharging outer grooved wheel 8 is cleaned, when a probe of a first proximity switch 9 senses the toothed plate type fertilizer cleaning wheel 7, an electromagnetic clutch 3 is started to operate to drive a driving gear 2 to rotate, the driving gear 2 drives a driven gear 1 and the self-cleaning threaded shaft 5 to rotate, the rotating speed of the self-cleaning threaded shaft 5 is 2 times of the rotating speed of the toothed plate type fertilizer cleaning wheel 7 at the moment, the rotating direction is the same, the toothed plate type fertilizer cleaning wheel 7 returns to move from the right end of the fertilizer discharging outer grooved wheel 8 under the matching action of the threads, the stuck fertilizer is cleaned, when a second proximity switch 10 senses, and the electromagnetic clutch 3 is powered off, the driving gear 2 stops rotating, the driven gear 1 and the self-cleaning threaded shaft 5 stop moving, and the tooth-tooth plate type fertilizer cleaning wheel 7 moves from left to right again to sequentially and circularly clean the residual fertilizer in the fertilizer discharging outer grooved pulley 8.

Claims (1)

1. The utility model provides a from electronic outer sheave fertilizer apparatus of clear formula, includes outer sheave fertilizer apparatus casing (6) rotatable inserting and fitting installation fertilizer discharging drive shaft (13) is gone up in outer sheave fertilizer apparatus casing (6), on fertilizer discharging drive shaft (13), be located outer sheave fertilizer apparatus casing (6) intracavity side position department and adorn fertilizer discharging outer sheave (8), its characterized in that admittedly: a driving box body (4) is fixedly arranged on the outer portion of one side wall of the outer grooved wheel fertilizer distributor shell (6), a worm wheel (12) and a worm (14) are assembled in the driving box body (4) in a mutually meshed mode, the worm wheel (12) is fixedly sleeved on a fertilizer distributing driving shaft (13), the worm (14) is connected with a motor (11), an electromagnetic clutch (3) and a driving gear (2) are sequentially sleeved on the outer side portion of the fertilizer distributing driving shaft (13) which is located on the driving box body (4), the driving gear (2) is rotatably arranged on the fertilizer distributing driving shaft (13), the electromagnetic clutch (3) and the driving gear (2) are fixedly connected into a whole, a self-cleaning threaded shaft (5) is fixedly arranged on the outer grooved wheel fertilizer distributor shell (6) in parallel to the fertilizer distributing driving shaft (13), and a toothed plate type fertilizer cleaning wheel (7) capable of axially moving through threaded fit is arranged on the self-cleaning threaded shaft (5), the tooth-tooth plate type fertilizer cleaning wheel (7) and the fertilizer discharging outer grooved wheel (8) are mutually inserted, meshed and matched, a driven gear (1) is fixedly arranged on a self-cleaning threaded shaft (5), the driven gear (1) is meshed with a driving gear (2), a first proximity switch (9) and a second proximity switch (10) are fixedly arranged on two opposite side walls of the outer grooved wheel fertilizer discharger shell (6) respectively, the first proximity switch (9) and the second proximity switch (10) are mutually matched with the tooth-tooth plate type fertilizer cleaning wheel (7) respectively, and a lead respectively communicates the first proximity switch (9) and the second proximity switch (10) with the electromagnetic clutch (3); the transmission ratio of the driving gear (2) to the driven gear (1) is 1: 2.

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