CN217564125U - Electric adjustment bivariate fertilizer injection unit based on ball slip table - Google Patents

Abstract

The utility model relates to an electrical control bivariate fertilizer injection unit based on ball slip table. The device comprises a fertilizer discharging mechanism, a rotating speed adjusting mechanism and an opening adjusting mechanism, wherein the fertilizer discharging mechanism comprises a fertilizer discharging box, a fertilizer discharging grooved wheel, a blocking sleeve, a follow-up baffle, a pressing ring and a brush; the rotating speed adjusting mechanism comprises a stepping motor I, an elastic coupling, a transmission shaft and a motor bracket; the opening adjusting mechanism comprises a ball screw, an optical axis guide rail, a sliding table base, a sliding block, a rigid coupler, a screw fixing seat, a screw supporting seat, a motor fixing seat and a stepping motor II. The utility model has the advantages of: the rotating speed and the opening degree of the fertilizer discharging grooved wheel can be adjusted simultaneously, the influence of the pulsation on the uniformity of fertilizer discharging in the fertilizer applying process is reduced, and the fertilizer applying efficiency and precision are greatly improved.

Description

Electric regulation bivariate fertilizer injection unit based on ball slip table

Technical Field

The utility model belongs to agricultural mechanization research field relates to an electrical control bivariate fertilizer injection unit based on ball slip table.

Background

At present, most of base fertilizers for planting crops in China adopt granular fertilizers, and an outer grooved wheel fertilizer discharging mode is mainly adopted. The variable rate fertilization technology can carry out fertilization according to needs according to soil nutrients or crop growth vigor, and can improve the utilization rate of the fertilizer, improve the yield, reduce greenhouse gas emission and reduce pollution to the environment while reducing the using amount of the fertilizer. The single variable fertilizer applicator based on the outer grooved wheel realizes the adjustment of the fertilizing amount by changing the rotating speed of the fertilizer discharging shaft, and compared with a double variable fertilizer applicator, the single variable fertilizer applicator has the defects of small fertilizing amount adjusting range, obvious pulsation during low-speed fertilizer discharging, poor fertilizer discharging uniformity and the like.

The double-variable fertilizer applicator can simultaneously control the rotating speed and the opening degree (working length) of the fertilizer discharge grooved wheel, and can better solve the problems of the single-variable fertilizer applicator. The fertilizer distributor is a key part of the double-variable fertilizer applicator, and the performance of the fertilizer distributor directly determines the quality of the fertilizing operation. Therefore, the development of the adjusting device capable of controlling the rotating speed and the opening of the fertilizing groove wheel of the double fertilizer applicators is very significant.

Disclosure of Invention

For solving one or more problems among the prior art, the utility model aims to provide an electrical control bivariate fertilizer injection unit based on ball slip table can adjust the rotational speed and the aperture of row's fertile sheave simultaneously, reduces the undulant even influence of row fertilizer to fertilizing process, has improved fertilization efficiency and precision greatly.

The utility model relates to an electrical control bivariate fertilizer injection unit based on ball slip table, including fertilizer discharging mechanism, rotational speed adjustment mechanism and aperture adjustment mechanism triplex.

The fertilizer discharging mechanism comprises a fertilizer discharging box, a fertilizer discharging grooved wheel, a blocking sleeve, a follow-up baffle, a pressing ring and a brush. The brush is used for cleaning the fertilizer discharge grooved wheel to prevent fertilizer leakage and fertilizer blockage; the follow-up baffle is placed in the clamping ring, and the internal teeth of the follow-up baffle are meshed with the external teeth of the fertilizer discharging grooved wheel, so that the follow-up baffle can be prevented from falling off along with the rotation of the fertilizer discharging grooved wheel in the clamping ring.

The rotating speed adjusting mechanism comprises a stepping motor I, an elastic coupling, a transmission shaft and a motor support. The stepping motor I is fixed on the motor bracket through a bolt, and the transmission shaft is connected with an output shaft of the stepping motor I through an elastic coupling.

The opening adjusting mechanism comprises a ball screw, an optical axis guide rail, a sliding table base, a sliding block, a rigid coupling, a screw fixing seat, a screw supporting seat, a motor fixing seat and a stepping motor II. The lead screw fixing seat and the lead screw supporting seat are fixed on the sliding table base and are used for fixing and supporting the ball screw; the stepping motor II is fixed on one side of the sliding table base through a motor fixing seat, and the ball screw is connected with an output shaft of the stepping motor II through a rigid coupling; the slide block is internally provided with a screw nut, and the screw nut and a ball screw form a ball screw pair, so that the rotary motion of the stepping motor II is converted into the horizontal movement of the slide block along two optical axis guide rails.

The working process of the utility model is as follows: when the variable rate fertilizer applicator performs field fertilization operation, field fertilization is performed according to control requirements, the fertilization system calls different rotating speed and opening degree combination sequences according to the required fertilization amount, and after the variable rate fertilizer applicator obtains a starting signal, a stepping motor I (rotating speed motor) rotates so as to drive an outer fertilizer discharging grooved wheel to rotate through a transmission shaft, and meanwhile, fertilizer particles are pushed downwards by the gear teeth of the outer grooved wheel and are discharged from a fertilizer discharging port; if the control system needs the driver to give a forward or reverse pulse signal to the stepping motor II (opening motor) according to the fertilizing amount, the stepping motor II rotates to drive the sliding block to move, so that the stepping motor I and the fertilizer discharging grooved wheel are driven to move, and the purpose of changing the opening of the fertilizer discharging grooved wheel is achieved; when the fertilizing sheave is displaced to a certain position, the stepping motor II stops rotating, and during the period, the stepping motor I can keep rotating until the controller sends out a stop signal. The fertilizer discharging mechanism can adjust the rotating speed of the fertilizer discharging grooved wheel and the opening of the fertilizer discharging grooved wheel, greatly improves the operation fertilizer application efficiency and the fertilizer application uniformity, and reduces the influence of the fertilizer application pulsation on the fertilizer application uniformity in the fertilizer application process.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The invention will be explained in further detail below with reference to the schematic drawings.

Drawings

FIG. 1 is the general structure schematic diagram of the fertilizer applying device of the present invention

FIG. 2 is the structure schematic diagram of the fertilizer discharging mechanism of the fertilizer applying device

FIG. 3 is a schematic view of the structure of the internal device of the fertilizer discharging box of the fertilizer applying device

Figure 4 is the structure schematic diagram of the rotating speed and the opening degree adjusting mechanism of the fertilizer applying device

In the figure: 1-blocking sleeve, 2-fertilizer discharging box, 3-fertilizer discharging grooved wheel, 4-transmission shaft, 5-motor support, 6-stepping motor I, 7-lead screw fixing seat, 8-rigid coupling, 9-stepping motor II, 10-motor fixing seat, 11-sliding table base, 12-optical axis guide rail, 13-sliding block, 14-lead screw supporting seat, 15-elastic coupling, 16-hair brush, 17-pressing ring, 18-follow-up baffle plate and 19-ball screw.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

The fertilizer applying device of the utility model mainly comprises a fertilizer applying mechanism, a rotating speed adjusting mechanism and an opening degree adjusting mechanism, wherein the fertilizer applying mechanism comprises a fertilizer applying box 2, a fertilizer applying grooved wheel 3, a blocking sleeve 1, a follow-up baffle 18, a pressing ring 17 and a brush 16; the rotating speed adjusting mechanism comprises a stepping motor I6, an elastic coupling 15, a transmission shaft 4 and a motor bracket 5; the opening adjusting mechanism comprises a ball screw 19, an optical axis guide rail 12, a sliding table base 11, a sliding block 13, a rigid coupling 8, a screw fixing seat 7, a screw supporting seat 14, a motor fixing seat 10 and a stepping motor II 9.

As shown in fig. 1 and 2, the rotating speed and opening degree adjusting mechanism is arranged on the same side of the fertilizer discharging mechanism, the fertilizer discharging mechanism can be fixedly arranged at the bottom of the fertilizer box, and a sliding table base 11 of the opening degree adjusting mechanism can be fixedly arranged on the machine frame; one end of the transmission shaft 4 is in interference fit with a hexagonal hole of the fertilizer discharging grooved wheel 3, the other end of the transmission shaft 4 is connected with a stepping motor I6 through an elastic coupling 15, and the stepping motor I6 is fixed on a sliding block 13 through a motor bracket 5; the screw fixing seat 7 and the screw supporting seat 14 are fixed on the sliding table base 11 and are used for fixing and supporting a ball screw; a stepping motor II 9 is fixed on one side of the sliding table base through a motor fixing seat 10, and a ball screw 19 is connected with an output shaft of the stepping motor II 9 through a rigid coupling 8; a ball screw pair is formed by the slide block 13 with a screw nut and the ball screw 19; the stepping motor I6 is used for controlling and changing the rotating speed of the fertilizer discharging grooved wheel 3, and the ball screw sliding table of the opening adjusting mechanism can convert the rotation of the stepping motor II 9 into the horizontal movement of the sliding block 13 along the two optical axis guide rails 12, so as to drive the stepping motor I6 in the rotating speed adjusting mechanism to move, so that the fertilizer discharging grooved wheel 3 is driven to move in the fertilizer discharging box 2, and the purpose of changing the opening of the fertilizer discharging grooved wheel 3 is achieved.

As shown in fig. 3 and 4, a blocking sleeve 1, a fertilizer groove wheel 3 and a brush 16 are arranged in a fertilizer discharging box 2, and the brush 16 is fixed on the inner side of the fertilizer discharging box 2 through a screw, so that the fertilizer groove wheel 3 can be cleaned, the abrasion of the fertilizer discharging box 2 is reduced, and the fertilizer leakage and the fertilizer blockage are prevented; the pressing ring 17 is fixed on one side of the fertilizer discharging box 3 through a screw, and the inner teeth of the follow-up baffle 18 are meshed with the outer teeth of the fertilizer discharging grooved wheel 3, so that the follow-up baffle can freely rotate along with the fertilizer discharging grooved wheel 3 in the pressing ring 17 to prevent fertilizer leakage; the blocking sleeve 1 and the shaft barrel of the fertilizer discharging grooved wheel 3 are in clearance fit, the fertilizer discharging grooved wheel 3 can rotate in the blocking sleeve 1 during working, and a key on the blocking sleeve 1 is matched with a key groove on the fertilizer discharging box 2, so that the fertilizer discharging grooved wheel 3 and the blocking sleeve 1 can be ensured to horizontally move in the fertilizer discharging box 2, and the blocking sleeve 1 can be prevented from rotating.

The utility model relates to a fertilizer injection unit can realize the rotational speed and the aperture bivariate regulation of row's fertile sheave, reduces the pulsed even influence of row's fertile among the fertilization process, has improved fertilization efficiency and precision greatly.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides an electrical control bivariate fertilizer injection unit based on ball slip table which characterized in that: the fertilizer discharging mechanism comprises a fertilizer discharging box, a fertilizer discharging grooved wheel, a blocking sleeve, a follow-up baffle, a pressing ring and a brush, wherein the fertilizer discharging box, the fertilizer discharging grooved wheel, the blocking sleeve, the follow-up baffle, the pressing ring and the brush are in clearance fit; the rotating speed adjusting mechanism comprises a stepping motor I, an elastic coupler, a transmission shaft and a motor support, the stepping motor I is fixed on a sliding block in the opening adjusting mechanism through the motor support, one end of the transmission shaft is connected with the output shaft end of the stepping motor I through the elastic coupler, and the other end of the transmission shaft is in interference fit with an inner hexagonal hole of the fertilizer discharging grooved wheel; the aperture adjustment mechanism includes ball, the optical axis guide rail, the slip table base, the slider, rigid coupling, the lead screw fixing base, the lead screw supporting seat, motor fixing base and step motor II, lead screw fixing base and lead screw supporting seat pass through the fix with screw on the slip table base, be located the ball both ends respectively, be used for fixing and supporting ball, the motor fixing base is fixed in slip table base one side, be used for fixing step motor II, ball passes through rigid coupling and is connected with step motor II output shaft end, and constitute ball vice with the lead screw nut of taking in the slider certainly, can make the slider along optical axis guide rail horizontal migration.

2. The electric adjusting double-variable fertilizing device based on the ball screw sliding table as claimed in claim 1, characterized in that: the stepping motor I is connected with the transmission shaft through the elastic coupling, so that slight coaxiality errors in the assembling process can be compensated.

3. The electric adjusting double-variable fertilizing device based on the ball screw sliding table as claimed in claim 1, characterized in that: the end of the transmission shaft matched with the coupler is a round shaft, and the end of the transmission shaft matched with the inner hole of the fertilizer discharging grooved wheel is a hexagonal shaft.

4. The electric adjusting double-variable fertilizing device based on the ball screw sliding table as claimed in claim 1, characterized in that: the opening adjusting mechanism adopts a ball screw sliding table module, so that transmission is more stable and accurate.

5. The electrically-regulated double-variable fertilizer application device based on the ball screw sliding table as claimed in claim 1, characterized in that: the rotating speed adjusting mechanism and the opening adjusting mechanism use the stepping motor to provide power, and the accurate control of the rotating speed and the opening is easier to realize.

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