Fine selection and grading device for rice production

Abstract

The utility model relates to the technical field of rice screening, and discloses a selecting and grading device for rice production, which comprises a box body, and a screening device is arranged in the box body. According to the fine selecting and grading device for rice production, by arranging the sliding rail, the mounting frame, the baffle, the elastic clamping plate, an operating rod, a positioning barrel and a buffer spring, the positioning barrel is lifted upwards, the operating rod is pulled rightwards, the mounting plate is moved out of the box rightwards, the elastic clamping plate is pried through a tool, the relative position of the baffle and the mounting frame is adjusted, and the distance between the bottom face of the baffle and an inclined plate is adjusted; the spreading thickness of the rice is controlled, so that the rice can be fully filtered, and the situation that the rice is too thick and cannot be fully filtered is prevented; by arranging an inclined plate, a sliding rod, a spring, a material guide plate, a coarse filter screen, a first connecting rod, a fine filter screen, a second connecting rod and a fixing plate, the coarse filter screen and the fine filter screen are used for conducting secondary screening on rice, the inclined plate is used for guiding the rice penetrating through the coarse filter screen to the position above the fine filter screen, and the rice can be fully filtered conveniently.

Description

Technical Field

[0001] This utility model relates to the field of rice screening technology, specifically a rice selection and grading device for rice production. Background Technology

[0002] Rice is rich in nutrients, with a relatively complete amino acid composition and abundant B vitamins. During rice production, rice grains of different sizes are sorted and packaged through sieving.

[0003] Chinese patent disclosure CN214347813U discloses a rice selection and grading device for rice production. The device includes an overall unit with a feed inlet at the top, a viewing mirror above the outer surface of the unit, a first rice collection box below the viewing mirror, a second rice collection box below the first rice collection box, a worktable at the bottom of the unit with pulleys at its bottom, an inner cavity inside the unit, a discharge pipe above the inner cavity, a first grading plate below the discharge pipe, and a first vibrator on one side of the bottom of the first grading plate. This rice selection and grading device, by incorporating the first and second rice collection boxes, first and second vibrators, first and second motors, and a pressing device, can achieve rice selection and grading, facilitating unified screening and discharge time and timely docking of receiving boxes, preventing grain waste and improving work efficiency.

[0004] However, the device still has the following drawbacks: During operation, it's difficult to control the rice filtration speed, which may result in rapid feeding, short contact time between rice grains and the filter screen, and small rice particles not being filtered to the bottom layer, affecting the screening effect. Therefore, we propose a rice selection and grading device for rice production to solve this problem. Utility Model Content

[0005] The purpose of this invention is to provide a rice selection and grading device for rice production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a rice selection and grading device for rice production, comprising a box body, wherein a screening device is provided inside the box body, and the screening device includes a screening section;

[0007] The screening section includes an inclined plate, a sliding rod, a guide plate, a first connecting rod, a second connecting rod, and a fixed plate. The outer surface of the inclined plate is hinged to the inner wall of the box. The bottom surface of the sliding rod is fixedly connected to the top surface of the fixed plate. The guide plate is slidably sleeved on the outer surface of the sliding rod. The outer surfaces of the upper and lower inclined plates are respectively hinged to the outer surfaces of the second connecting rod and the first connecting rod. The outer surfaces of the first connecting rod and the second connecting rod are both hinged to the outer surface of the guide plate.

[0008] The box is equipped with an adjustment mechanism;

[0009] The adjustment unit includes a mounting bracket, a baffle, an operating rod, a positioning cylinder, and a buffer spring. The mounting bracket is slidably sleeved on the outer surface of the baffle, and the positioning cylinder is slidably sleeved on the outer surface of the bottom end of the operating rod. The outer surface of the operating rod is fixedly connected to the outer surface of the mounting bracket. The top end of the buffer spring is fixedly connected to the bottom surface of the operating rod, and the bottom end of the buffer spring is fixedly connected to the inner wall of the positioning cylinder.

[0010] A further improvement is that the screening section also includes a spring, a coarse filter screen, a fine filter screen, a cam, and a motor. The outer surface of the inclined plate is provided with through holes. The outer surfaces of the coarse filter screen and the fine filter screen are respectively fixedly connected to the inner walls of the upper and lower inclined plates. By setting the coarse and fine filter screens, it is convenient to perform secondary screening of rice.

[0011] A further improvement is that the right end face of the motor is fixedly connected to the inner wall of the housing, the outer surface of the motor output shaft rotates through the inner wall of the housing via a bearing and extends to the right side of the housing, and the cam is fixedly sleeved on the outer surface of the motor output shaft. By setting the cam, the motor, the first connecting rod and the second connecting rod, it is convenient to adjust the tilt angle of the inclined plate.

[0012] A further improvement is that the outer surface of the fixing plate is fixedly connected to the inner wall of the box, the bottom end of the spring is fixedly connected to the top surface of the fixing plate, and the top end of the spring is fixedly connected to the bottom surface of the guide plate. By setting the spring, when the rice falls onto the guide plate, the guide plate vibrates, preventing the rice from clogging on the guide plate.

[0013] A further improvement is that the adjustment part also includes a slide rail and an elastic plate. The bottom surface of the slide rail is fixedly connected to the top surface of the inclined plate. The outer surface of the slide rail slides through the right end face of the mounting frame and extends to the left side of the mounting frame. By setting the mounting frame and the baffle, it is convenient to adjust the thickness of the rice when it slides, and to prevent insufficient filtration of the rice.

[0014] A further improvement is that the outer surface of the mounting bracket is provided with mounting holes, the outer surface of the elastic plate is fixedly connected to the inner wall of the mounting holes, the right end face of the baffle is provided with a first slot, and the outer surface of the elastic plate extends into the first slot. By setting the elastic plate, it is convenient to adjust the height of the baffle.

[0015] A further improvement is that a second slot is provided on the top surface of the inclined plate, and the bottom end of the positioning cylinder extends into the second slot. By setting an operating rod, a positioning cylinder, and a spring, it is convenient to position the mounting frame and the baffle.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This rice selection and grading device, by setting up a slide rail, mounting frame, baffle, elastic clamping plate, operating rod, positioning cylinder, and buffer spring, lifts the positioning cylinder upwards, pulls the operating rod to the right, moves the mounting plate to the right out of the box, uses a tool to pry the elastic clamping plate, adjusts the relative position of the baffle and the mounting frame, adjusts the distance between the bottom surface of the baffle and the inclined plate, controls the thickness of the rice spread, facilitates full filtration of the rice, and prevents the rice from being too thick and thus not fully filtered; by setting up an inclined plate, slide rod, spring, guide plate, coarse filter screen, first connecting rod, fine filter screen, second connecting rod, and fixing plate, the rice is screened twice using the coarse and fine filter screens, and the inclined plate guides the rice passing through the coarse filter screen to the top of the fine filter screen, facilitating full filtration of the rice; by setting up a cam and a motor, starting the motor causes the cam to drive the inclined plate to rotate, adjusting the tilt angle of the inclined plate. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the screening device of this utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the box body of this utility model;

[0019] Figure 3 This is a three-dimensional structural cross-sectional view of the screening device of this utility model;

[0020] Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle;

[0021] Figure 5 This is a partial cross-sectional view of the three-dimensional structure of the screening device of this utility model.

[0022] In the diagram: 1. Box body; 2. Screening device; 21. Screening section; 22. Adjusting section; 211. Inclined plate; 212. Slide rod; 213. Spring; 214. Guide plate; 215. Coarse filter screen; 216. First connecting rod; 217. Fine filter screen; 218. Cam; 219. Motor; 210. Second connecting rod; 201. Fixing plate; 221. Slide rail; 222. Mounting bracket; 223. Baffle; 224. Elastic clamping plate; 225. Operating lever; 226. Positioning cylinder; 227. Buffer spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 This utility model provides a technical solution: a rice selection and grading device, including a box 1, a screening device 2 is provided inside the box 1, and the screening device 2 includes a screening section 21.

[0025] The screening section 21 includes an inclined plate 211, a slide rod 212, a guide plate 214, a first connecting rod 216, a second connecting rod 210, and a fixed plate 201. The outer surface of the inclined plate 211 is hinged to the inner wall of the box 1. The bottom surface of the slide rod 212 is fixedly connected to the top surface of the fixed plate 201. The guide plate 214 is slidably sleeved on the outer surface of the slide rod 212. The outer surfaces of the upper and lower inclined plates 211 are respectively hinged to the outer surfaces of the second connecting rod 210 and the first connecting rod 216. The outer surfaces of the first connecting rod 216 and the second connecting rod 210 are both hinged to the outer surface of the guide plate 214. The screening section 21 also includes a spring 213, a coarse filter screen 215, a fine filter screen 217, a cam 218, and a motor 219.

[0026] The outer surface of the inclined plate 211 has through holes, and the outer surfaces of the coarse filter 215 and the fine filter 217 are fixedly connected to the inner walls of the upper and lower inclined plates 211, respectively.

[0027] The outer surface of the fixing plate 201 is fixedly connected to the inner wall of the box 1, the bottom end of the spring 213 is fixedly connected to the top surface of the fixing plate 201, and the top end of the spring 213 is fixedly connected to the bottom surface of the guide plate 214. By setting the inclined plate 211, the sliding rod 212, the spring 213, the guide plate 214, the coarse filter screen 215, the first connecting rod 216, the fine filter screen 217, the second connecting rod 210 and the fixing plate 201, the rice is screened twice by the coarse filter screen 215 and the fine filter screen 217, and the inclined plate 211 guides the rice that has passed through the coarse filter screen 215 to the top of the fine filter screen 217, so as to facilitate the full filtration of the rice.

[0028] The right end face of motor 219 is fixedly connected to the inner wall of housing 1. The outer surface of the output shaft of motor 219 rotates through the inner wall of housing 1 via bearing and extends to the right side of housing 1. Cam 218 is fixedly sleeved on the outer surface of the output shaft of motor 219. By setting cam 218 and motor 219, the motor is started, and cam 218 pushes inclined plate 211 to rotate, adjusting the tilt angle of inclined plate 211.

[0029] An adjustment section 22 is provided inside the housing 1;

[0030] The adjustment unit 22 includes a mounting bracket 222, a baffle 223, an operating rod 225, a positioning cylinder 226, and a buffer spring 227. The mounting bracket 222 is slidably sleeved on the outer surface of the baffle 223, and the positioning cylinder 226 is slidably sleeved on the outer surface of the bottom end of the operating rod 225. The outer surface of the operating rod 225 is fixedly connected to the outer surface of the mounting bracket 222. The top end of the buffer spring 227 is fixedly connected to the bottom surface of the operating rod 225, and the bottom end of the buffer spring 227 is fixedly connected to the inner wall of the positioning cylinder 226. The adjustment unit 22 also includes a slide rail 221 and an elastic clamping plate 224.

[0031] The bottom surface of the slide rail 221 is fixedly connected to the top surface of the inclined plate 211. The outer surface of the slide rail 221 slides through the right end face of the mounting bracket 222 and extends to the left side of the mounting bracket 222. The top surface of the inclined plate 211 is provided with a second slot, and the bottom end of the positioning cylinder 226 extends into the second slot.

[0032] Mounting bracket 222 has mounting holes on its outer surface. The outer surface of elastic plate 224 is fixedly connected to the inner wall of the mounting holes. The right end face of baffle 223 has a first slot. The outer surface of elastic plate 224 extends into the first slot. By setting up slide rail 221, mounting bracket 222, baffle 223, elastic plate 224, operating rod 225, positioning cylinder 226 and buffer spring 227, the positioning cylinder 226 is lifted upward, the operating rod 225 is pulled to the right, and the mounting plate 222 is moved to the right out of the box 1. The elastic plate 224 is pried with a tool to adjust the relative position of baffle 223 and mounting bracket 222, and the distance between the bottom surface of baffle 223 and inclined plate 211 is adjusted to control the thickness of the rice, so as to facilitate the full filtration of rice and prevent the rice from being too thick and thus not fully filtered.

[0033] In use, rice is introduced into the box 1. The rice slides along the top surface of the upper inclined plate 211 and the coarse filter 215. Larger rice grains slide to the right out of the box 1, while the remaining rice passes through the coarse filter 215 and falls onto the top surface of the guide plate 214, then slides to the left onto the lower inclined plate 211. The rice grains slide along the top surface of the lower inclined plate 211 and the top surface of the fine filter 217. Smaller rice grains pass downwards through the fine filter 217, while the remaining rice slides to the right out of the box 1 along the top surface of the lower inclined plate 211.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rice selection and grading device for rice production, comprising a housing (1), characterized in that: The box (1) is equipped with a screening device (2), which includes a screening section (21); The screening section (21) includes an inclined plate (211), a sliding rod (212), a guide plate (214), a first connecting rod (216), a second connecting rod (210), and a fixing plate (201). The outer surface of the inclined plate (211) is hinged to the inner wall of the box (1). The bottom surface of the sliding rod (212) is fixedly connected to the top surface of the fixing plate (201). The guide plate (214) is slidably sleeved on the outer surface of the sliding rod (212). The outer surfaces of the upper and lower inclined plates (211) are respectively hinged to the outer surfaces of the second connecting rod (210) and the first connecting rod (216). The outer surfaces of the first connecting rod (216) and the second connecting rod (210) are both hinged to the outer surface of the guide plate (214). The housing (1) is equipped with an adjustment section (22); The adjustment unit (22) includes a mounting bracket (222), a baffle (223), an operating rod (225), a positioning cylinder (226), and a buffer spring (227). The mounting bracket (222) is slidably sleeved on the outer surface of the baffle (223), and the positioning cylinder (226) is slidably sleeved on the outer surface of the bottom end of the operating rod (225). The outer surface of the operating rod (225) is fixedly connected to the outer surface of the mounting bracket (222). The top end of the buffer spring (227) is fixedly connected to the bottom surface of the operating rod (225), and the bottom end of the buffer spring (227) is fixedly connected to the inner wall of the positioning cylinder (226).

2. The rice selection and grading device for rice production according to claim 1, characterized in that: The screening section (21) also includes a spring (213), a coarse filter screen (215), a fine filter screen (217), a cam (218), and a motor (219). The outer surface of the inclined plate (211) is provided with a through hole. The outer surfaces of the coarse filter screen (215) and the fine filter screen (217) are respectively fixedly connected to the inner walls of the upper and lower inclined plates (211).

3. The rice selection and grading device for rice production according to claim 2, characterized in that: The right end face of the motor (219) is fixedly connected to the inner wall of the housing (1). The outer surface of the output shaft of the motor (219) rotates through the inner wall of the housing (1) via the bearing and extends to the right side of the housing (1). The cam (218) is fixedly sleeved on the outer surface of the output shaft of the motor (219).

4. The rice selection and grading device according to claim 2, characterized in that: The outer surface of the fixing plate (201) is fixedly connected to the inner wall of the box (1), the bottom end of the spring (213) is fixedly connected to the top surface of the fixing plate (201), and the top end of the spring (213) is fixedly connected to the bottom surface of the guide plate (214).

5. A rice selection and grading device according to claim 1, characterized in that: The adjustment part (22) also includes a slide rail (221) and an elastic plate (224). The bottom surface of the slide rail (221) is fixedly connected to the top surface of the inclined plate (211). The outer surface of the slide rail (221) slides through the right end face of the mounting frame (222) and extends to the left side of the mounting frame (222).

6. A rice selection and grading device according to claim 5, characterized in that: The mounting bracket (222) has mounting holes on its outer surface. The outer surface of the elastic plate (224) is fixedly connected to the inner wall of the mounting holes. The right end face of the baffle (223) has a first slot. The outer surface of the elastic plate (224) extends into the first slot.

7. A rice selection and grading device according to claim 1, characterized in that: The top surface of the inclined plate (211) is provided with a second slot, and the bottom end of the positioning cylinder (226) extends into the second slot.

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