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

Abstract

The utility model relates to an electric-adjusted double-variable fertilization device based on a ball screw sliding table. It includes three parts: a fertilizer discharge mechanism, a rotational speed adjustment mechanism and an opening degree adjustment mechanism, wherein the fertilizer discharge mechanism includes a fertilizer discharge box, a fertilizer discharge groove wheel, a blocking sleeve, a follow-up baffle, a pressure ring and a brush; the The speed adjustment mechanism includes a stepping motor I, an elastic coupling, a transmission shaft and a motor bracket; the opening adjustment mechanism includes a ball screw, an optical axis guide rail, a sliding table base, a slider, a rigid coupling, a lead screw Mounting base, lead screw support base, motor mounting base and stepper motor II. The utility model has the advantages that the rotation speed and the opening of the fertilization groove wheel can be adjusted simultaneously, the influence of the pulsation on the uniform fertilization discharge during the fertilization process is reduced, and the fertilization efficiency and precision are greatly improved.

Description

An Electric Adjustment Bivariate Fertilization Device Based on Ball Screw Slide Table

technical field

The utility model belongs to the research field of agricultural mechanization, and relates to an electric adjustment double-variable fertilization device based on a ball screw sliding table.

Background technique

At present, the basal fertilizer for planting crops in my country mostly adopts granular fertilizer, and the main method is external groove wheel discharge. Variable fertilization technology can fertilize on demand according to soil nutrients or crop growth. While reducing fertilizer usage, it can improve fertilizer utilization, increase yield, and reduce greenhouse gas emissions and environmental pollution. The single-variable fertilizer applicator based on the outer sheave realizes the adjustment of the amount of fertilizer by changing the speed of the fertilizer discharge shaft. Compared with the double-variable fertilizer applicator, it generally has a small adjustment range of fertilizer amount, significant pulsation during low-speed fertilizer discharge, and poor fertilizer discharge uniformity. and other shortcomings.

The dual-variable fertilizer applicator can simultaneously control the rotation speed and opening (working length) of the fertilizing groove wheel, which can better solve the problems existing in the single-variable fertilizer applicator. Fertilizer discharge device is the key component of bivariate fertilizer applicator, and its performance directly determines the quality of fertilizer application. Therefore, it is very meaningful to develop a regulating device that can control the speed and opening of the fertilization groove wheel of the double fertilizer spreader.

SUMMARY OF THE INVENTION

In order to solve one or more problems in the prior art, the purpose of the present utility model is to provide an electrically adjustable double-variable fertilization device based on a ball screw sliding table, which can The effect of pulsation on the uniformity of fertilization during fertilization greatly improves the efficiency and precision of fertilization.

The utility model relates to an electric adjustment double-variable fertilization device based on a ball screw sliding table, which comprises three parts: a fertilizer discharge mechanism, a rotational speed adjustment mechanism and an opening degree adjustment mechanism.

The fertilizer discharge mechanism includes a fertilizer discharge box, a fertilizer discharge groove wheel, a blocking sleeve, a follow-up baffle, a pressure ring and a brush. Among them, the brush is used to clean the fertilizer discharge groove wheel to prevent fertilizer leakage and blockage of fertilizer; the follow-up baffle is placed in the pressure ring, and its inner teeth and the outer teeth of the fertilizer discharge groove wheel mesh with each other, which can ensure that the follow-up baffle is in the pressure ring. The inner part rotates with the fertilization groove wheel and does not come out.

The rotational speed adjustment mechanism includes a stepping motor I, an elastic coupling, a transmission shaft and a motor support. The stepping motor I is fixed on the motor bracket by bolts, and the transmission shaft is connected with the output shaft of the stepping motor I through an elastic coupling.

The opening adjustment mechanism includes 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 screw fixing seat and the screw supporting seat are both fixed on the sliding table base to fix and support the ball screw; the stepper motor II is fixed on one side of the sliding table base through the motor fixing seat, and the ball screw is connected by a rigid coupling The slider is connected with the output shaft of the stepper motor II; the slider has its own lead screw nut, and the ball screw forms a ball screw pair, so that the rotary motion of the stepper motor II is transformed into the level of the slider along the two optical axis guide rails. move.

The working process of the utility model is as follows: when the variable fertilizer applicator performs the field fertilization operation, the field fertilization is carried out according to the control requirements, the fertilization system calls different rotation speed opening degree combination sequences according to the required fertilizer amount, and after the variable fertilizer applicator obtains the start signal, the step The feed motor I (speed motor) rotates, thereby driving the outer sheave of fertilizer discharge to rotate through the transmission shaft, and at the same time, the fertilizer particles are pushed down by the teeth of the outer sheave and discharged from the fertilizer outlet; The stepping motor II (opening motor) has a forward or reverse pulse signal, and the stepping motor II rotates to drive the slider to move, thereby driving the stepping motor I and the fertilizer discharge sheave to move, so as to change the opening of the fertilizer discharge sheave. Purpose: When the fertilizer trough is displaced to a certain position, the stepping motor II will stop rotating, during this period, the stepping motor I can keep rotating until the controller sends a stop signal. This fertilization mechanism, which can not only adjust the speed of the fertilization groove, but also adjust the opening of the fertilization groove, greatly increases the fertilization efficiency and the uniformity of the fertilization, and reduces the pulsation of the fertilization during the fertilization process. Impact.

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

Description of drawings

Fig. 1 is the overall structure schematic diagram of the fertilization device of the present utility model

Fig. 2 is the structural schematic diagram of the fertilization mechanism of the fertilization device of the present invention

Figure 3 is a schematic diagram of the structure of the internal device of the fertilization box of the fertilization device of the present invention

Figure 4 is a schematic structural diagram of the rotational speed and opening adjustment mechanism of the fertilization device of the present invention

In the picture: 1-blocking sleeve, 2-fertilizer box, 3-fertilizer groove wheel, 4-transmission shaft, 5-motor bracket, 6-stepper motor I, 7-lead screw holder, 8-rigid coupling controller, 9-stepping motor II, 10-motor holder, 11-slide base, 12-optical axis guide rail, 13-slider, 14-screw support base, 15-elastic coupling, 16-brush , 17- pressure ring, 18- follower baffle, 19- ball screw.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments.

The fertilization device of the utility model mainly includes three parts: a fertilizer discharge mechanism, a rotational speed adjustment mechanism and an opening degree adjustment mechanism, wherein the fertilizer discharge mechanism includes a fertilizer discharge box 2, a fertilizer discharge groove wheel 3, a blocking sleeve 1, a follow-up baffle 18, The pressure ring 17 and the brush 16; the rotational speed adjustment mechanism includes a stepping motor 16, an elastic coupling 15, a transmission shaft 4 and a motor bracket 5; the opening adjustment mechanism includes a ball screw 19, an optical axis guide rail 12, and a sliding table base 11. Slider 13, Rigid Coupling 8, Screw Fixing Base 7, Screw Support Base 14, Motor Fixing Base 10 and Stepper Motor II 9.

As shown in Figures 1 and 2, the rotational speed and the opening adjustment mechanism are on the same side of the fertilizer discharge mechanism, the fertilizer discharge mechanism can be fixedly installed at the bottom of the fertilizer box, and the sliding table base 11 of the opening adjustment mechanism can be fixed on the machine frame; One end of the transmission shaft 4 is an interference fit with the hexagonal hole of the fertilization sheave 3, and the other end of the transmission shaft 4 is connected with the stepping motor 16 through the elastic coupling 15, and the stepping motor 16 is fixed on the slide through the motor bracket 5. Block 13; the screw fixing seat 7 and the screw supporting seat 14 are both fixed on the sliding table base 11 for fixing and supporting the ball screw; the stepper motor II 9 is fixed on one side of the sliding table base through the motor fixing seat 10 , the ball screw 19 is connected with the output shaft of the stepping motor II 9 through the rigid coupling 8; the slider 13 has its own lead screw nut, and the ball screw 19 constitutes a ball screw pair; the stepping motor I 6 is used for Control and change the rotation speed of the fertilizer groove wheel 3, the ball screw slide table of the opening adjustment mechanism can convert the rotation of the stepping motor II 9 into the horizontal movement of the slider 13 along the two optical axis guide rails 12, thereby driving the rotation speed adjustment In the mechanism, the stepping motor 16 moves, thereby driving the fertilizer discharge groove wheel 3 to move in the fertilizer discharge box 2, so as to achieve the purpose of changing the opening degree of the fertilizer discharge groove wheel 3.

As shown in Figures 3 and 4, the fertilizer discharge box 2 has a blocking sleeve 1, a fertilizer discharge sheave 3 and a brush 16. The brush 16 is fixed on the inside of the fertilizer discharge box 2 by screws, so that the fertilizer discharge sheave 3 can be cleaned and reduced. The fertilizer discharge box 2 is worn out to prevent fertilizer leakage and blocking fertilizer; the pressure ring 17 is fixed on the side of the fertilizer discharge box 3 by screws, and the inner teeth of the follower baffle 18 mesh with the outer teeth of the fertilizer discharge sheave 3, which can be used in the pressure ring. 17. With the free rotation of the fertilizer discharge groove wheel 3, it plays the role of preventing fertilizer leakage; the blocking sleeve 1 and the shaft barrel of the fertilizer discharge groove wheel 3 adopt clearance fit, and the fertilizer discharge groove wheel 3 can rotate in the blocking sleeve 1 during operation. , the key on the blocking sleeve 1 cooperates with the keyway on the fertilizer discharge box 2, which can not only ensure the horizontal movement of the fertilizer discharge groove wheel 3 and the blocking sleeve 1 in the fertilizer discharge box 2, but also prevent the blocking sleeve 1 from rotating.

The fertilization device related to the utility model can realize the double-variable adjustment of the rotation speed and the opening degree of the fertilization groove wheel, reduce the influence of the pulsation on the uniform fertilization discharge during the fertilization process, and greatly improve the fertilization efficiency and precision.

The present invention and its embodiments have been described above schematically, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those of ordinary skill in the art are inspired by it, without departing from the purpose of creation of the present utility model, creatively design a structural mode and an embodiment similar to this technical solution, all should belong to the present utility model. protected range.

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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