CN201069906Y

CN201069906Y - Air suction type film accurate hole sowing device

Info

Publication number: CN201069906Y
Application number: CNU2007200739428U
Authority: CN
Inventors: 陈恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-22
Filing date: 2007-08-22
Publication date: 2008-06-11
Anticipated expiration: 2017-08-22

Abstract

The utility model relates to an agricultural precise dibbling device, in particular to an air suction type membrane precise dibbling device. The device mainly comprises a hollow axis precise seed fetching device and a drum dibbling casing. A vacuum chamber 11 is arranged at one side of the internal space of the drum dibbling casing 1, a seed chamber 5 is arranged on the other side thereof, the two chambers are connected with the hollow axis 8 through a bearing 10, an air sealing ring 7 is arranged at the connecting position of the bearing 10, a negative pressure through hole 9 is arranged on the hollow axis 8, and an air sealing wheel axle 6 and an air sealing wheel 3 are arranged on the hollow axis 8. The utility model has the advantages that the problem of the ubiquitous negative pressure drainage in a negative pressure passage in the prior art is effectively solved because a method that the air sealing ring is used on the hollow axis to seal the negative pressure passage is adopted; simultaneously, a soft rubber wheel is adopted for the air sealing of the negative pressure on a suction seed hole, the part of the soft rubber wheel on the suction seed hole can be pressed in the suction seed hole for an instant under the function of the pressure when passing by the suction seed hole; therefore has the functions of poking and dredging the blocked suction seed hole, the improvement of the precise seed fetching quality can be achieved under the situation of low energy consumption, and the problem that the suction seed hole is easy to be blocked can be solved effectively.

Description

Precise hole sowing device on the air-sucking type film

Technical field:

The utility model relates to a kind of agricultural precise hole sowing device, is specifically related to precise hole sowing device on a kind of air-sucking type film.

Background technology:

Existing literature; multiple air inhaling type fine sowing technology is disclosed; this technology is one of important technique measure of modernized precision agriculture; driven sucking precise amount branch is planted; the seeding technology is the core technology in the present sowing seeds technology both domestic and external; its main working parts is the seed taking disc that has suction hole of a setting; the back side of seed taking disc is provided with vacuum chamber; link to each other with air inlet; the work of blower fan makes vacuum chamber produce negative pressure; the front of seed taking disc is a seed chamber; during work; the seed taking disc rotation; suction hole is in filling absorbed seed under the effect of kind of district in negative pressure; through after scraping kind of device and wiping seed unnecessary on the suction hole off; make and only keep one or several on each suction hole; when seed produces the vacuum chamber scope at the seed taking disc back side; because the disappearance of suction hole suction; seed falls by own wt; when having realized that smart amount is divided kind of seed-distributing operation, vacuum chamber is that seed plate is covered on the vacuum chamber and forms, and seed taking disc also will rotate on vacuum chamber; because of the two contact area bigger; so their gas tightness in rotating relatively are relatively poor, cause the instability of getting kind of negative pressure, easily cause essence to measure kind of the decline of seeding quality.In addition, when precise hole sowing device is worked on the existing air-sucking type film, through regular meeting earth is chewed from duck and entered kind of a case, the suction hole on so easy obstruction seeds sucker, thus have a strong impact on seeding quality.

The utility model content:

The purpose of this utility model is the defective that solves the existence of above-mentioned prior art, provides a kind of envelope gas tight, is difficult for being stopped up by earth the suction type precision seed bunch planting device of suction hole.

The utility model purpose realizes being finished by technical scheme once:

The utility model comprises that mainly the hollow shaft essence measures kind of a device, cylinder bunch planting shell, the seeds sucker 2 that essence is measured on kind of the device is provided with vacuum chamber 11 with a side of cylinder bunch planting shell 1 inner space, opposite side is provided with seed chamber 5, the two with hollow shaft 8 between be connected by bearing 10, be provided with airtight seal 7 with bearing 10 junctions, hollow shaft 8 is provided with negative pressure through-hole 9, is provided with envelope turbine axle 6 and envelope turbine 3 on hollow shaft 8; The envelope turbine 3 that envelope turbine axle 6 ends are provided with is the rubber wheel of garden column.

The utlity model has following advantage:

The method that has adopted airtight seal that negative pressure channel is sealed on hollow shaft has effectively solved the losing issue of ubiquitous negative pressure channel negative pressure in the prior art, simultaneously, the envelope gas of negative pressure has adopted the soft rubber wheel on the suction hole, the soft rubber wheel can be pressed in the suction hole again under the effect of pressure when the part on the suction hole is turning over suction hole moment, the suction hole that stops up has been played an effect of disclosing the hole mediation, realized that can improve essence under the situation of low energy consumption measures kind of a quality, and solved the easily blocked problem of suction hole effectively.

Description of drawings:

Accompanying drawing 1 is a main cutaway view of the present utility model, also is the A-A cutaway view of Fig. 2;

The B-B cutaway view of accompanying drawing 2 accompanying drawings 1.

Embodiment:

Below in conjunction with accompanying drawing the utility model feature and correlated characteristic thereof are described in further detail:

Shown in accompanying

drawing

1,2, wherein label 1～15 is represented respectively: 1-cylinder bunch planting shell, 2-seeds sucker, 3-envelope turbine, 4-suction hole, 5-seed chamber, 6-envelope turbine axle, the airtight seal of 7-, 8-hollow shaft, 9-negative pressure through-hole, 10-bearing, 11-vacuum chamber, defeated kind of the road of 12-, 13-duck chew, 14-seed-box, 15-seed-box divide kind of a dividing plate.

Present embodiment comprises that mainly the hollow shaft essence measures kind of a device, cylinder bunch planting shell, the seeds sucker 2 that essence is measured on kind of the device is divided into two parts with cylinder bunch planting shell 1 inner space, wherein a side is provided with vacuum chamber 11, opposite side is provided with seed chamber 5, the two is installed on the center of cylinder bunch planting shell 1 inside by hollow shaft 8, vacuum chamber 11 is to be connected with the side plate of cylinder bunch planting shell 1 by seeds sucker 2 to surround, it with hollow shaft 8 between adopt bearing 10 to be connected, 7 pairs of negative pressure channels of airtight seal are installed in bearing 10 junctions to be sealed, be provided with negative pressure through-hole 9 on the hollow shaft 8 of vacuum chamber 11 inside and be provided with envelope turbine axle 6 on the hollow shaft 8 on it and the envelope turbine 3 that can rotate is installed on the position of suction hole 4 place circumference, seed-box 14 is mounted to an integral body with hollow shaft, these parts do not rotate during work, cylinder bunch planting shell 1 be be connected of the contact on ground and bearing 10 under rotated by hollow shaft 8 tractions and to move ahead, this moment, vacuum chamber 11 interior air were extracted out by hollow shaft 8 continuously by negative pressure through-hole 9, cause the suction hole 4 on the seeds sucker 2 to produce suction, because cylinder bunch planting shell 1 is to rotate synchronously with seeds sucker 2, after so seed is adsorbed by suction hole 4, the seed-box that turns to seed-box in the seed chamber 5 by seed-box 14 divides outside kind of the dividing plate 15, when seed turns to the position of envelope turbine, closely contact and do roll rotational under pressure owing to sealing on the position that turbine 3 is the seeds sucker 2 suction holes 4 place circumference in vacuum chamber 11, make that the suction hole 4 on these two contact-making surface is stopped up fully, because the disappearance of suction hole 4 negative pressure, seed just falls in the defeated kind of road 12 corresponding with this seed in the effect of deadweight, and is transported to duck and chews in 13.Why will seal the rubber wheel that turbine 3 is set to the garden column, purpose is under certain pressure, and the elasticity of rubber wheel is enough to stretch into negative pressure through-hole 9, when so not only guaranteeing to hold one's breath, can also play the technique effect of through hole.

Though below design and embodiment according to the utility model purpose have been done to elaborate with reference to accompanying drawing; but those of ordinary skills can recognize; under the precondition that does not break away from the claim limited range; still can make various improvement and conversion to the utility model, and this improvement and conversion still should belong to protection domain of the present utility model.

Claims

1. precise hole sowing device on the air-sucking type film, comprise that mainly the hollow shaft essence measures kind of a device, cylinder bunch planting shell, essence is measured the seeds sucker (2) on kind of the device, it is characterized in that, one side of the inner space of cylinder bunch planting shell (1) is provided with vacuum chamber (11), opposite side is provided with seed chamber (5), the two with hollow shaft (8) between be connected by bearing (10), be provided with airtight seal (7) in junction with bearing (10), hollow shaft (8) is provided with negative pressure through-hole (9), is provided with envelope turbine axle (6) and envelope turbine (3) on hollow shaft (8).

2. precise hole sowing device on a kind of air-sucking type film according to claim 1 is characterized in that, it is characterized in that, it is characterized in that, the envelope turbine (3) that envelope turbine axle (6) end is provided with is the rubber wheel of garden column.