CN108496497B - Double-channel electric switching fertilizer discharging mechanism of outer grooved wheel fertilizer discharger - Google Patents

Abstract

An outer grooved wheel fertilizer distributor double-channel electric switching fertilizer distributor belongs to agricultural machinery; the double-channel electric switching mechanism is assembled on the outer side parts of the outer sheave type fertilizer distributor and the double-channel fertilizer pipe, and consists of a driving motor, a worm gear transmission mechanism, an electromagnetic clutch, a speed reducer, a cam, a seat plate assembly, a rod type rack, a pressure spring and a gear; the mechanism realizes automatic switching of the fertilizer discharging pipelines of the two-channel fertilizer pipe, and has the characteristics of novel and reasonable structure, high automation degree, strong real-time performance and reliable use.

Description

Double-channel electric switching fertilizer discharging mechanism of outer grooved wheel fertilizer discharger

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a dual-channel electric switching fertilizer discharging mechanism of an outer grooved wheel fertilizer discharger.

Background

In order to efficiently and conveniently convey different single-element fertilizers discharged by a plurality of outer grooved wheel fertilizer distributors to different fertilizer mixing devices for fertilizer mixing operation of fertilizers with different element quantities, at present, a double-channel fertilizer pipe with a fertilizer guide plate arranged inside is assembled at the bottom of the existing outer grooved wheel fertilizer distributor, so that the same single-element fertilizer is conveyed into different fertilizer mixing devices through different fertilizer discharging channels to complete fertilizer mixing operation. However, due to the defects in structural design, the rotation adjustment of the fertilizer guide plate in the dual-channel fertilizer pipe is mostly manually performed by manpower, and the technical problems of low operation efficiency and poor real-time performance are required to be solved.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and the double-channel electric switching fertilizer discharging mechanism of the outer sheave fertilizer discharging device is researched and designed, and the purposes of high automation degree, strong real-time performance and reliable operation of double-channel fertilizer conveying switching are achieved by adopting a combined structure of a driving motor, a worm and gear transmission mechanism, an electromagnetic clutch, a speed reducer, a cam, a rod type rack and a gear.

The purpose of the invention is realized as follows:

the double-channel electric switching fertilizer discharging mechanism of the outer grooved wheel fertilizer discharger comprises an outer grooved wheel type fertilizer discharger and a double-channel fertilizer pipe, wherein the double-channel fertilizer pipe is assembled at the bottom of the outer grooved wheel type fertilizer discharger, a plate shaft is rotatably arranged in the middle of the double-channel fertilizer pipe, a gear is fixedly arranged on the end part of one side of the plate shaft and positioned outside the double-channel fertilizer pipe, a groove-shaped fertilizer guide plate is fixedly arranged in the middle of the plate shaft, and the groove-shaped fertilizer guide plate is positioned in a pipe cavity of the double-channel fertilizer pipe and is sequentially matched with two fertilizer pipe channels; the outer grooved wheel type fertilizer distributor is provided with a worm gear transmission mechanism on the outside, the worm gear and the worm are assembled in an engaged mode, the worm gear is fixedly connected with a fertilizer distributing shaft of the outer grooved wheel type fertilizer distributor, one end of the worm is connected with a driving motor, the other end of the worm is connected with a power input shaft of a speed reducer through an electromagnetic clutch, a cam is fixedly arranged on a power output shaft of the speed reducer, a seat plate assembly is fixedly arranged on the outside of the speed reducer, a rod type rack sleeved with a pressure spring is axially and reciprocally arranged on the seat plate assembly, two end faces of the pressure spring are respectively in contact fit with the rod type rack and the seat plate assembly, one end of the rod type rack is in close contact fit with the outer contour surface of the cam, and the rod type rack is engaged.

The invention realizes the automatic switching of the fertilizer discharging pipelines of the two-channel fertilizer pipe, and has the characteristics of novel and reasonable structure, high automation degree, strong real-time performance and reliable use.

Drawings

Fig. 1 is a three-dimensional schematic view of the overall structure of a double-channel electric switching fertilizer discharging mechanism of an outer sheave fertilizer discharger.

Fig. 2 is a two-dimensional schematic diagram of the overall structure of the dual-channel electric switching fertilizer discharging mechanism of the outer sheave fertilizer discharger.

FIG. 3 is a schematic view of the assembly structure of the two-channel fertilizer tube and the groove-shaped fertilizer guide plate, the rotating shaft and the gear.

Fig. 4 is a schematic view of a cam structure.

Wherein: 1-external sheave type fertilizer distributor, 2-driving motor, 3-worm wheel, 4-fertilizer shaft, 5-worm, 6-electromagnetic clutch, 7-power input shaft, 8-reducer, 9-cam, 10-power output shaft, 11-rod rack, 12-gear, 13-plate shaft, 14-double-channel fertilizer pipe, 15-pressure spring, 16-seat plate assembly, 17-groove type fertilizer guide plate, 18-near rest concave arc surface, 19-push stroke convex arc surface, 20-upper transition convex arc surface, 21-far rest convex arc surface, 22-center hole, 23-lower transition convex arc surface, 24-return stroke convex arc surface, 25-horizontal center line and 26-vertical center line.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings 1, 2, 3 and 4:

an outer sheave fertilizer apparatus double-channel electric switching fertilizer discharging mechanism comprises an outer sheave fertilizer apparatus 1 and a double-channel fertilizer pipe 14, wherein the double-channel fertilizer pipe 14 is assembled at the bottom of the outer sheave fertilizer apparatus 1, a plate shaft 13 is rotatably arranged at the middle part of the double-channel fertilizer pipe 14, a gear 12 is fixedly arranged at the end part of one side of the plate shaft 13 and positioned outside the double-channel fertilizer pipe 14, a groove-shaped fertilizer guide plate 17 is fixedly arranged at the middle part of the plate shaft 13, and the groove-shaped fertilizer guide plate 17 is positioned in the pipe cavity of the double-channel fertilizer pipe 14 and is mutually matched with two fertilizer pipe channels in sequence; the external sheave type fertilizer distributor 1 is provided with a worm wheel 3 and worm 5 transmission mechanism, the worm wheel 3 and the worm 5 are assembled in a mutual meshing way, the worm wheel 3 is fixedly connected with a fertilizer distributing shaft 4 of the external sheave type fertilizer distributor 1, one end of the worm 5 is connected with a driving motor 2, the other end of the worm 5 is connected with a power input shaft 7 of a speed reducer 8 through an electromagnetic clutch 6, a cam 9 is fixedly arranged on a power output shaft 10 of the speed reducer 8, a seat plate assembly 16 is fixedly arranged on the external part of the speed reducer 8, a rod-type rack 11 sleeved with a pressure spring 15 can be axially and reciprocally arranged on the seat plate assembly 16, two end faces of the pressure spring 15 are respectively in contact fit with the rod-type rack 11 and the seat plate assembly 16, one end of the rod-type rack 11 is in close contact fit with the outer contour surface of the cam 9, and the rod-type rack. The outer contour surface of the cam 9 is formed by₁Is a central point and a radius dimension R₁A 30 mm near-resting concave arc surface 18 of O₂Is a central point and a radius dimension R₂A 40 mm push stroke convex arc surface 19 of O₃Is a central point and a radius dimension R₃An upper transition convex arc surface 20 with the diameter of 20 mm, a far rest convex arc surface 21 with the radius dimension R of 65 mm and the central point O₄Is a central point and a radius dimension R₄A lower transition convex arc surface 23 of 20 mm in diameter, O₅Center point, radius dimension R₅A 40 mm return convex arc surface 24, a central hole 22 is arranged on the cam 9 by taking O as a central point, and the O is a hollow cylinder₁The center point is disposed on the right side of the horizontal centerline 25 of the central bore 22 at a distance O from the point dimension H₁At a position of 47 mm, the O is₂The center point is located at the left side of the vertical centerline 26 of the center hole 22 by a distance dimension H₂Is 15 mm above the horizontal center line 25 by a distance dimension L₂At an intersection of 32.5 mm; said O is₃The center point is located on the upper portion of the vertical centerline 26 and is spaced from the horizontal centerline 25 by a dimension L₃43 mm; the O center point is the common point of the central hole 22 and the far rest convex arc surface 21; said O is₄The center point is located on the lower portion of the vertical centerline 26 and is spaced from the horizontal centerline 25 by a dimension L₄Is 43 mm; said O is₅The center point is located at the left side of the vertical centerline 26 of the center hole 22 by a distance dimension H₃Is 15 mm and a distance dimension L below the horizontal center line 25₁At the intersection point of 32.5 mm.

During operation, the driving motor 2 is electrified to keep a working state, the worm wheel 3 and the worm 5 drive mechanism drive the fertilizer discharging shaft 4 to rotate, fertilizer is discharged to the fertilizer inlet end of the double-channel fertilizer pipe 14 through the outer sheave type fertilizer discharging device 1, one end of the rod-type rack 11 is in contact with the nearly-resting concave arc surface 18 of the cam 9, the groove-shaped fertilizer guide plate 17 is communicated with the left channel of the double-channel fertilizer pipe 14, and element fertilizer is discharged and applied through the left channel and is sent into a fertilizer mixing device. When element fertilizer is required to be fed into the other fertilizer mixing device through the right channel, the electromagnetic clutch 6 is powered on to start to operate, the rotating worm 5 drives the speed reducer 8 to work, the power output shaft 10 drives the cam 9 to rotate, the rotating cam 9 pushes the rod-type rack 11 and the pressure spring 15 to axially move, the rod-type rack 11 which axially moves drives the gear 12, the plate shaft 13 and the groove-type fertilizer guide plate 17 to rotate, when the far-rest convex arc surface 21 of the cam 9 is in contact with one end of the rod-type rack 11, the electromagnetic clutch 6 is powered off to stop working, the groove-type fertilizer guide plate 17 is communicated with the right channel of the double-channel fertilizer pipe 14, and the element fertilizer enters the other fertilizer mixing device through the right channel and sequentially and circularly reciprocates.

Claims (1)

1. The utility model provides an outer sheave fertilizer apparatus binary channels electric switch fertilizer discharging mechanism, includes outer sheave fertilizer apparatus (1) and binary channels fertilizer pipe (14), binary channels fertilizer pipe (14) are assembled on outer sheave fertilizer apparatus (1) bottom, its characterized in that: a plate shaft (13) is rotatably arranged at the middle part of the double-channel fertilizer tube (14), a gear (12) is fixedly arranged at the end part of one side of the plate shaft (13) and positioned outside the double-channel fertilizer tube (14), a groove-shaped fertilizer guide plate (17) is fixedly arranged at the middle part of the plate shaft (13), and the groove-shaped fertilizer guide plate (17) is positioned in the tube cavity of the double-channel fertilizer tube (14) and is sequentially matched with the two fertilizer tube channels; a worm wheel (3) and a worm (5) transmission mechanism are assembled on the outer part of the outer sheave type fertilizer apparatus (1), the worm wheel (3) and the worm (5) are assembled in a mutually meshed way, the worm wheel (3) is fixedly connected with a fertilizer discharging shaft (4) of the outer sheave type fertilizer apparatus (1), one end of the worm (5) is connected with a driving motor (2), the other end of the worm (5) is connected with a power input shaft (7) of a speed reducer (8) through an electromagnetic clutch (6), a cam (9) is fixedly arranged on a power output shaft (10) of the speed reducer (8), a seat plate assembly (16) is fixedly arranged on the outer part of the speed reducer (8), a rod type rack (11) sleeved with a pressure spring (15) can be assembled on the seat plate assembly (16) in a reciprocating way in the axial direction, two end faces of the pressure spring (15) are respectively in contact fit with the rod type rack (11) and the seat plate assembly (16), one end of the rack (11) is in close contact fit with the outer contour of the cam (9), the rod-type rack (11) is meshed with the gear (12).

Images