CN218945134U

CN218945134U - Rice milling precision adjusting mechanism

Info

Publication number: CN218945134U
Application number: CN202221023192.4U
Authority: CN
Inventors: 于文生
Original assignee: Xiandaoxiang Shandong Intelligent Equipment Co ltd
Current assignee: Xiandaoxiang Shandong Intelligent Equipment Co ltd
Priority date: 2021-04-30
Filing date: 2022-04-29
Publication date: 2023-05-02
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to the technical field of rice milling machinery, in particular to a rice milling precision adjusting mechanism, which comprises a rice outlet shell, wherein one end of the rice outlet shell is closed, the other end of the rice outlet shell is connected with a rice milling outlet in the rice milling mechanism.

Description

Rice milling precision adjusting mechanism

Technical Field

The utility model relates to the technical field of rice milling machines, in particular to a rice milling precision adjusting mechanism which is simple in structure, good in precision adjusting effect and precise in precision control.

Background

As is well known, with the development of the age and the progress of technology, the automation technology is increasingly widely used, and is not only widely used in the industrial field, but also well used in the daily life field of people, and the self-service vending rice mill is a typical application example.

The self-service selling type rice mill can automatically mill and sell raw materials, saves labor, and brings great convenience to life of people. However, the existing rice mill has the problems that the precision adjustment effect is poor and the precision control is inaccurate because the rice milling precision is adjusted by relying on hands and experience.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides the rice milling precision adjusting mechanism which is simple in structure, good in precision adjusting effect and accurate in precision control.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a rice milling precision adjusting mechanism, this mechanism includes out rice casing, goes out rice casing's one end and seals, and the other end is connected with the rice milling export in the rice milling mechanism, its characterized in that play rice casing on be equipped with precision adjusting component, precision adjusting component include driver, rocking arm, spring holder, spring, baffle, the baffle stifled rice milling export department at the rice milling mechanism, the baffle pass through the spring and be connected with the spring holder, the one end of spring holder stretches into out in the rice casing, the through-hole of going out rice casing is stretched out to the other end of spring holder and contacts with the lower extreme of rocking arm, the middle part of rocking arm is articulated with out rice casing, the upper end of rocking arm contacts with the output of the driver of establishing on going out rice casing, presses the rocking arm upper end on the output of driver through the elasticity of spring, the back-and-forth movement drive rocking arm rotation through the output of driver and then adjusts spring holder and spring to the pressure size of baffle.

The middle part of the spring seat is provided with a limiting hole, the middle part of the baffle is provided with a through hole, a limiting rod is arranged in the limiting hole, the limiting rod passes through the limiting hole and the through hole to be connected with a rice milling shaft on the rice milling mechanism, and the moving direction of the spring seat is limited by the limiting rod.

The limiting rod passes through the middle part of the spring to enable the spring to be sleeved on the limiting rod.

The inner side of the lower end of the rocker arm is provided with a lower arc-shaped bulge, the contact part of the spring seat and the lower end of the rocker arm is provided with a lower arc-shaped groove, and the lower arc-shaped bulge rotates in the lower arc-shaped groove.

The driver is provided with a driving motor, an output shaft of the driving motor is provided with a driving nut, the driving nut is provided with square nuts, the left side and the right side of the inner side of the upper end of the rocker arm are respectively provided with an upper arc-shaped bulge, the upper arc-shaped bulge is contacted with the driving nut, the upper end of the rocker arm between the upper arc-shaped bulges is provided with an upper avoidance hole for the output shaft of the driving motor to extend out, and the square nuts are clamped between the two upper arc-shaped bulges and are limited to rotate by the upper arc-shaped bulges.

A pressure sensor is arranged between a driving nut of the driving motor and the upper end of the rocker arm, and is fixed with the driving nut and contacted with the upper end of the rocker arm, so that the pressure is sensed by the pressure sensor.

Due to the adoption of the structure, the utility model has the advantages of simple structure, good precision adjusting effect, precise precision control and the like.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the rocker arm of fig. 1, wherein 2-1 is a front view and 2-2 is a side view.

Fig. 3 is a schematic side view of the drive nut of fig. 1.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in the drawing, the rice milling precision adjusting mechanism comprises a rice outlet shell 1, one end of the rice outlet shell 1 is closed, the other end of the rice outlet shell is connected with a rice milling outlet in the rice milling mechanism, and the rice milling precision adjusting mechanism is characterized in that a precision adjusting component is arranged on the rice outlet shell 1 and comprises a driver 2, a rocker arm 3, a spring seat 4, a spring 7 and a baffle 5, the baffle 5 is blocked at the rice milling outlet of the rice milling mechanism, the baffle 5 is connected with the spring seat 4 through the spring 7, one end of the spring seat 4 extends into the rice outlet shell 1, the other end of the spring seat 4 extends out of a through hole of the rice outlet shell 1 and is in contact with the lower end of the rocker arm 3, the middle part of the rocker arm 3 is hinged with the rice outlet shell 1, the upper end of the rocker arm 3 is in contact with the output end of the driver 2 arranged on the rice outlet shell 1, the upper end of the rocker arm 3 is pressed on the output end of the driver 2 through the elasticity of the spring 7, and the pressure of the baffle 4 and the spring 7 is adjusted by driving the baffle 5 through the forward and backward movement of the output end of the driver 2.

Further, the middle part of spring holder 4 be equipped with spacing hole, baffle 5 middle part be equipped with and pass the hole, be equipped with gag lever post 8 in the spacing hole, gag lever post 8 pass spacing hole and pass the hole and be connected with the rice milling axle on the rice milling mechanism, it is spacing to spring holder 4 direction of movement through gag lever post 8.

Further, the limiting rod 8 penetrates through the middle of the spring 7 to enable the spring 7 to be sleeved on the limiting rod 8.

Further, the lower end inboard of rocking arm 3 be equipped with down arc arch 11, the spring holder 4 go up and contact the position with rocking arm 3 lower extreme and be equipped with down arc groove, down arc arch 11 is rotatory in down arc inslot, down arc arch 11 establish the left and right sides at the lower extreme inboard of rocking arm, be equipped with down between the arc arch 11 of the left and right sides and dodge hole 9 that supplies gag lever post 8 to stretch out.

Further, the driver 2 set up to driving motor, be equipped with driving nut 6 on driving motor's the output shaft, driving nut 6 set up to square nut, the inboard left and right sides of upper end of rocking arm 3 is equipped with arc arch 12 respectively, goes up arc arch and driving nut and contacts, the rocking arm upper end between the arc arch 12 is equipped with the hole 10 of dodging on supplying driving motor output shaft to stretch out, square nut card between two upper arc archs 12, restrict square nut's rotation through last arc arch 12.

Further, a pressure sensor is arranged between the driving nut 6 of the driving motor and the upper end of the rocker arm 3, and the pressure sensor is fixed with the driving nut 6 and contacts with the upper end of the rocker arm 3, so that the pressure is sensed by the pressure sensor.

When the utility model is used, the pressure sensor is connected with the controller, the controller is connected with the driving motor, the driving motor is set as a servo motor, the pressure value is sensed by the pressure sensor and is transmitted to the controller, the controller sets the needed pressure value, then the servo motor is controlled by the controller to work, and then the servo motor is regulated to drive the rocker to move, so as to realize the control of the pressure value at the baffle 5 and the rice milling outlet, and further control the rice discharging precision, the spring 7 is limited by the limiting rod 8 to deform in the linear direction, the precision control effect is better, and the rocker 3 is arranged at the outer side of the rice discharging shell 1, the baffle 5 can be completely opened under the action of the pressure and can not be limited by the rocker 3, and the upper end and the lower end of the rocker 3 are respectively contacted with the output end of the driving motor and the end of the spring seat 4, therefore, the rocker arm 3 can rotate along the middle hinging part, meanwhile, the upper end of the rocker arm 3 is always pressed on the output end of the driving motor, namely the driving nut of the driving motor, due to the elastic force of the spring 7, the driving nut comprises a square head 13 and an annular baffle 14, a threaded hole for a screw rod of the driving motor to pass through is formed in the square head 13, the annular baffle 14 is arranged on the outer side of the square head 13, the square head 13 is clamped between two upper arc-shaped bulges, the annular baffle 14 is contacted with the upper arc-shaped bulges, the advancing and retreating functions of the driving nut are further realized, in the process of precision adjustment, the displacement of the driving motor is not required to be very large, the pressure of the spring seat 4 and the spring 7 on the pressing plate can be adjusted only by partial displacement, and the adjustment of a meter clearance can be further realized Accurate control of precision and the like.

Claims

1. The utility model provides a rice milling precision adjusting mechanism, this mechanism includes out rice casing, goes out rice casing's one end and seals, and the other end is connected with the rice milling export in the rice milling mechanism, its characterized in that play rice casing on be equipped with precision adjusting component, precision adjusting component include driver, rocking arm, spring holder, spring, baffle, the baffle stifled rice milling export department at the rice milling mechanism, the baffle pass through the spring and be connected with the spring holder, the one end of spring holder stretches into out in the rice casing, the through-hole of going out rice casing is stretched out to the other end of spring holder and contacts with the lower extreme of rocking arm, the middle part of rocking arm is articulated with out rice casing, the upper end of rocking arm contacts with the output of the driver of establishing on going out rice casing, presses the rocking arm upper end on the output of driver through the elasticity of spring, the back-and-forth movement drive rocking arm rotation through the output of driver and then adjusts spring holder and spring to the pressure size of baffle.

2. The rice milling precision adjusting mechanism of claim 1, wherein the middle part of the spring seat is provided with a limiting hole, the middle part of the baffle is provided with a passing hole, a limiting rod is arranged in the limiting hole, the limiting rod passes through the limiting hole and passes through the hole to be connected with a rice milling shaft on the rice milling mechanism, and the moving direction of the spring seat is limited by the limiting rod.

3. A rice milling precision adjusting mechanism according to claim 2, wherein the limit rod passes through the middle part of the spring to make the spring sleeve on the limit rod.

4. The rice milling precision adjusting mechanism according to claim 1, wherein the inner side of the lower end of the rocker arm is provided with a lower arc-shaped bulge, the contact part of the spring seat and the lower end of the rocker arm is provided with a lower arc-shaped groove, and the lower arc-shaped bulge rotates in the lower arc-shaped groove.

5. The rice milling precision adjusting mechanism of claim 1, wherein the driver is a driving motor, a driving nut is arranged on an output shaft of the driving motor, the driving nut is a square nut, upper arc protrusions are respectively arranged on the left side and the right side of the inner side of the upper end of the rocker arm, an upper avoidance hole for the output shaft of the driving motor to extend out is arranged at the upper end of the rocker arm between the upper arc protrusions, and the square nut is clamped between the two upper arc protrusions, so that the rotation of the square nut is limited by the upper arc protrusions.

6. The rice milling precision adjusting mechanism according to claim 5, wherein a pressure sensor is arranged between the driving nut of the driving motor and the upper end of the rocker arm, and the pressure sensor is fixed with the driving nut and contacts with the upper end of the rocker arm, and senses pressure through the pressure sensor.