Separating and screening system for long and short rice grains
By designing a rice particle length separation screening system including multi-layer screening plates and driving parts, the problem that existing equipment can only be screened in a single level is solved, and multi-level screening of rice and effective treatment of rice of multiple specifications and lengths is realized.
Patent Information
- Application Number
- CN202510276645.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-06-27
AI Technical Summary
The existing rice screening equipment can only screen rice at a single level, and cannot screen rice of multiple particle lengths at the same time, resulting in multiple screening and waste of resources.
A rice particle length separation screening system is designed, including a box, multiple legs and multiple sets of screening components. The screening components include screening plates, discharge tubes, arcuate rods, arcuate cylinders, return springs, support blocks, first drive parts and cams. Multi-stage screening of rice is achieved through the cooperation of multiple layers of screening plates and drive parts with different apertures.
Multi-level screening of rice is realized, and rice of multiple specifications and lengths can be processed simultaneously, reducing the number of screenings and improving efficiency and resource utilization.
Smart Images
Figure CN120205422A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of rice screening, and particularly to a rice grain length separation and screening system. Background Art
[0002] At present, during the rice processing, due to the different lengths of rice grains, it is necessary to screen and classify the rice through screening equipment to obtain rice of different qualities.
[0003] However, the existing screening equipment can only screen rice at a single level. To obtain rice of various specifications and lengths, multiple screenings are required, and it cannot screen rice with multiple grain lengths simultaneously. Summary of the Invention
[0004] The purpose of the present invention is to provide a rice grain length separation and screening system, aiming to solve the technical problem that the existing screening equipment can only screen rice at a single level, and multiple screenings are required to obtain rice of various specifications and lengths, and it cannot screen rice with multiple grain lengths simultaneously.
[0005] To achieve the above purpose, a rice grain length separation and screening system adopted by the present invention includes a box body, multiple legs, and multiple groups of screening components. The box body has a feed inlet and multiple discharge outlets. Multiple legs are fixedly connected to the box body and are located below the box body. Multiple groups of screening components are sequentially arranged in the box body and are respectively corresponding to the discharge outlets;
[0006] The screening component includes a screening plate, a discharge pipe, an arc-shaped rod, an arc-shaped cylinder, a return spring, a support block, a first driving member, and a cam. The discharge pipe is fixedly connected to the box body and is communicated with the discharge outlet. The screening plate is rotatably connected to the box body and is located inside the box body. The support block is fixedly arranged on the inner side wall of the box body. The arc-shaped cylinder is fixedly connected to the support block and is located on the outer side wall of the support block. One end of the arc-shaped rod is slidably connected to the arc-shaped cylinder, and the other end of the arc-shaped rod is fixedly connected to the screening plate. Both ends of the return spring are fixedly connected to the arc-shaped rod and the arc-shaped cylinder respectively and are located inside the arc-shaped cylinder. The cam is located below the screening plate. The first driving member is fixedly arranged on the outer side wall of the box body, and the first driving member is connected to the cam.
[0007] Wherein, the screening component further includes a limit block. The limit block is fixedly connected to the box body and is located on the inner side wall of the box body, and the limit block is also located below the screening plate.
[0008] Wherein, the screening component further includes a receiving frame. The bottom of the box body also has a material guiding port, and the receiving frame is arranged below the material guiding port.
[0009] Among them, the first driving member includes a fixing frame and a first motor. The fixing frame is fixedly connected to the box body and is located on the outer side wall of the box body. The first motor is fixedly connected to the fixing frame and is located inside the fixing frame. The output end of the first motor is connected to the cam.
[0010] Among them, the rice grain length separation and screening system further includes a cutting assembly, and the cutting assembly is arranged on the box body.
[0011] Among them, the cutting assembly includes a cutting knife, a push rod, a disc, a round shaft, a movable frame and a second driving member. The second driving member is fixedly connected to the box body and is located on the outer side wall of the box body. The disc is connected to the second driving member. The round shaft is fixedly connected to the disc and is eccentrically arranged with the disc. The movable frame is movably connected to the round shaft and is sleeved outside the round shaft. The push rod is fixedly connected to the movable frame and movably penetrates through the box body. The cutting knife is fixedly connected to the push rod and is located inside the box body. The box body has a cutting groove.
[0012] Among them, the second driving member includes a mounting plate and a second motor. The mounting plate is fixedly connected to the box body and is located on the outer side wall of the box body. The second motor is fixedly connected to the mounting plate and is located above the mounting plate. The disc is fixedly connected to the output end of the second motor.
[0013] When a rice grain length separation and screening system of the present invention screens rice, the rice is put into the box body through the feed inlet, or the packaging bag containing rice is cut open above the feed inlet, and then the rice enters the box body. The rice passes through multiple layers of screening plates with different pore diameters in sequence. Rice with different specifications and lengths will respectively stay on the screening plates with corresponding pore diameters. The first driving member is started respectively. The first driving member controls the cam to rotate. The rotation of the cam will push the screening plate upward. The screening plate rotates in the box body and at the same time drives the arc-shaped rod into the arc-shaped cylinder to squeeze the return spring until the screening plate is in an inclined state. Immediately, the rice on the screening plate will slide down into the discharge port and then move out through the discharge port. After the rice is screened, the rotation of the cam is controlled to reset. Under the action of the gravity of the screening plate and the return spring, the screening plate is flatly reset in the box body. Through the above method, multi-stage screening of rice can be realized, and rice with various specifications and lengths can be obtained, and the operation is convenient. Description of the Drawings
[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0015] Figure 1 It is a schematic structural diagram of the long and short separation and screening system for rice grains of the present invention.
[0016] Figure 2 It is a front view of the structure of the long and short separation and screening system for rice grains of the present invention.
[0017] Figure 3 It is a side view of the structure of the long and short separation and screening system for rice grains of the present invention.
[0018] Figure 4 is of the present invention Figure 3 Structural cross-sectional view taken along line A-A.
[0019] Figure 5 is of the present invention Figure 1 Enlarged partial structure view at position B.
[0020] Figure 6 is of the present invention Figure 4 Enlarged partial structure view at position C.
[0021] 101 - Box body, 102 - Legs, 103 - Feed inlet, 104 - Discharge outlet, 105 - Screening plate, 106 - Discharge pipe, 107 - Arc rod, 108 - Arc cylinder, 109 - Return spring, 110 - Support block, 111 - Cam, 112 - Limit block, 113 - Feeding port, 114 - Receiving frame, 115 - Fixed frame, 116 - First motor, 117 - Cutting knife, 118 - Push rod, 119 - Disc, 120 - Round shaft, 121 - Movable frame, 122 - Mounting plate, 123 - Second motor, 124 - Bracket, 125 - Cylinder, 126 - Pressing plate, 127 - Cutting groove. Detailed implementation manners
[0022] The following will describe in detail the embodiments of the present invention. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.
[0023] Please refer to Figures 1 to 6, the present invention provides a rice grain length separation and screening system, including a box body 101, multiple support legs 102 and multiple groups of screening components. The box body 101 has a feed inlet 103 and multiple discharge outlets 104. The multiple support legs 102 are all fixedly connected to the box body 101 and are located below the box body 101. The multiple groups of screening components are sequentially arranged in the box body 101 and respectively correspond to the discharge outlets 104;
[0024] The screening component includes a screening plate 105, a discharge pipe 106, an arc-shaped rod 107, an arc-shaped cylinder 108, a return spring 109, a support block 110, a first driving member and a cam 111. The discharge pipe 106 is fixedly connected to the box body 101 and communicates with the discharge outlet 104. The screening plate 105 is rotatably connected to the box body 101 and is located inside the box body 101. The support block 110 is fixedly arranged on the inner side wall of the box body 101. The arc-shaped cylinder 108 is fixedly connected to the support block 110 and is located on the outer side wall of the support block 110. One end of the arc-shaped rod 107 is slidably connected to the arc-shaped cylinder 108, and the other end of the arc-shaped rod 107 is fixedly connected to the screening plate 105. The two ends of the return spring 109 are respectively fixedly connected to the arc-shaped rod 107 and the arc-shaped cylinder 108 and are located inside the arc-shaped cylinder 108. The cam 111 is located below the screening plate 105. The first driving member is fixedly arranged on the outer side wall of the box body 101, and the first driving member is connected to the cam 111.
[0025] In this embodiment, when screening rice, the rice is put into the box body 101 through the feed inlet 103, or the rice packaging bag is cut open above the feed inlet 103, and then the rice enters the box body 101. The rice passes through multiple layers of screening plates 105 with different pore diameters in sequence. Rice with different specifications and lengths will respectively stay on the screening plates 105 with corresponding pore diameters. The first driving member is respectively started. The first driving member controls the cam 111 to rotate. The rotation of the cam 111 will push the screening plate 105 upward. The screening plate 105 rotates inside the box body 101 and simultaneously drives the arc-shaped rod 107 to enter the arc-shaped cylinder 108 to squeeze the return spring 109 until the screening plate 105 is in an inclined state. Immediately, the rice on the screening plate 105 will slide down into the discharge outlet 104 and then move out through the discharge outlet 104. After screening the rice, control the cam 111 to rotate and reset. Under the action of the gravity of the screening plate 105 and the return spring 109, the screening plate 105 is leveled and reset inside the box body 101. Through the above method, multi-level screening of rice can be realized, and rice with various specifications and lengths can be obtained, and the operation is convenient.
[0026] Furthermore, the screening component further includes a limit block 112 , which is fixedly connected to the box body 101 and is located on the inner wall of the box body 101 , and the limit block 112 is also located below the screening plate 105 .
[0027] In this embodiment, the limit block 112 is provided under each screening plate 105 and the limit block 112 is used to support the screening plate 105, thereby increasing the stability of the screening plate 105 in the box 101 and preventing the cam 111 from being damaged due to excessive pressure.
[0028] Furthermore, the screening component further includes a receiving frame 114 , and the bottom of the box body 101 also has a material guide port 113 , and the receiving frame 114 is disposed below the material guide port 113 .
[0029] In this embodiment, the shortest length of rice will pass through the last screening plate 105 and enter the receiving frame 114, which is convenient for rice screening without opening the box 101 to collect the rice.
[0030] Furthermore, the first driving member includes a fixing frame 115 and a first motor 116, the fixing frame 115 is fixedly connected to the box body 101 and is located on the outer wall of the box body 101, the first motor 116 is fixedly connected to the fixing frame 115 and is located inside the fixing frame 115, and the output end of the first motor 116 is connected to the cam 111.
[0031] In this embodiment, the fixing frame 115 fixes and supports the first motor 116 on the outside of the box body 101 , and the first motor 116 controls the cam 111 to rotate in the box body 101 .
[0032] Furthermore, the rice grain length separation and screening system further includes a cutting component, and the cutting component is disposed on the box body 101 .
[0033] In this embodiment, by providing the cutting assembly, when screening the bagged rice, the cutting assembly is used to conveniently open the packaging bag of rice and conveniently put the rice into the box body 101, which greatly saves manpower and time and is easy to operate.
[0034] Further, the cutting assembly includes a cutting knife 117, a push rod 118, a disc 119, a circular shaft 120, a movable frame 121, and a second driving member. The second driving member is fixedly connected to the box body 101 and is located on the outer side wall of the box body 101. The disc 119 is connected to the second driving member. The circular shaft 120 is fixedly connected to the disc 119 and is eccentrically arranged with respect to the disc 119. The movable frame 121 is movably connected to the circular shaft 120 and is sleeved outside the circular shaft 120. The push rod 118 is fixedly connected to the movable frame 121 and movably penetrates through the box body 101. The cutting knife 117 is fixedly connected to the push rod 118 and is located inside the box body 101. The box body 101 has a cutting groove 127.
[0035] In this embodiment, a rice-filled packaging bag is placed on the feed inlet 103. When the rice is put into the box body 101, by starting the second driving member outside the box body 101, the second driving member controls the disc 119 to rotate. Since the circular shaft 120 is eccentrically arranged with respect to the disc 119, the movable frame 121 will be pushed by the circular shaft 120. Immediately, the movable frame 121 drives the push rod 118 into the box body 101, and the cutting knife 117 moves from the cutting groove 127 towards the feed inlet 103. Subsequently, the packaging bag will be cut open by the cutting knife 117, and then the rice in the bag will enter the box body 101. After the cutting is completed, the disc 119 pulls the movable frame 121 backward through the circular shaft 120, and the cutting knife 117 will enter the cutting groove 127.
[0036] Further, the second driving member includes a mounting plate 122 and a second motor 123. The mounting plate 122 is fixedly connected to the box body 101 and is located on the outer side wall of the box body 101. The second motor 123 is fixedly connected to the mounting plate 122 and is located above the mounting plate 122. The disc 119 is fixedly connected to the output end of the second motor 123.
[0037] In this embodiment, the mounting plate 122 fixedly supports the second motor 123 on the outside of the box body 101, and the second motor 123 is used to control the rotation of the disc 119.
[0038] Further, the rice grain length separation and screening system further includes a bracket 124, a cylinder 125, and a pressing plate 126. The bracket 124 is fixedly connected to the box body 101 and is located above the box body 101. The cylinder 125 is fixedly connected to the bracket 124 and is located inside the bracket 124. The pressing plate 126 is fixedly connected to the output end of the cylinder 125.
[0039] In this embodiment, when the rice-filled packaging bag is located above the feed inlet 103, by starting the cylinder 125 on the bracket 124, the cylinder 125 drives the pressing plate 126 to move downward, and the packaging bag is pressed and fixed above the feed inlet 103, which is conducive to putting the rice into the box body 101.
[0040] The above-disclosed is only a preferred embodiment of the present invention. Of course, the scope of the rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the invention.
Claims
1. A rice grain length separation and screening system, characterized in that: It comprises a box body, a plurality of legs and a plurality of screening components, wherein the box body has a feed port and a plurality of discharge ports, the plurality of legs are fixedly connected to the box body and are located below the box body, and the plurality of screening components are sequentially arranged in the box body and correspond to the discharge ports respectively; The screening assembly includes a screening plate, a discharge pipe, an arc rod, an arc cylinder, a return spring, a support block, a first driving member and a cam. The discharge pipe is fixedly connected to the box and communicated with the discharge port. The screening plate is rotatably connected to the box and is located in the box. The support block is fixedly arranged on the inner wall of the box. The arc cylinder is fixedly connected to the support block and is located on the outer wall of the support block. One end of the arc rod is slidably connected to the arc cylinder, and the other end of the arc rod is fixedly connected to the screening plate. Both ends of the return spring are fixedly connected to the arc rod and the arc cylinder respectively and are located in the arc cylinder. The cam is located below the screening plate. The first driving member is fixedly arranged on the outer wall of the box, and the first driving member is connected to the cam.
2. The rice grain length separation and screening system as claimed in claim 1, characterized in that: The screening component further comprises a limit block, which is fixedly connected to the box body and is located on the inner side wall of the box body, and the limit block is also located below the screening plate.
3. The rice grain length separation and screening system as claimed in claim 2, characterized in that: The screening component also includes a receiving frame, and the bottom of the box body also has a material guide port, and the receiving frame is arranged below the material guide port.
4. The rice grain length separation and screening system as claimed in claim 3, characterized in that: The first driving member includes a fixing frame and a first motor. The fixing frame is fixedly connected to the box body and is located on the outer side wall of the box body. The first motor is fixedly connected to the fixing frame and is located inside the fixing frame. The output end of the first motor is connected to the cam.
5. The rice grain length separation and screening system according to claim 1, characterized in that: The rice grain length separation and screening system further comprises a cutting assembly, and the cutting assembly is arranged on the box body.
6. The rice grain length separation and screening system according to claim 5, characterized in that: The cutting assembly includes a cutting knife, a push rod, a disc, a circular shaft, a movable frame and a second driving member. The second driving member is fixedly connected to the box body and is located on the outer side wall of the box body. The disc is connected to the second driving member. The circular shaft is fixedly connected to the disc and is eccentrically arranged with the disc. The movable frame is movably connected to the circular shaft and is sleeved on the outside of the circular shaft. The push rod is fixedly connected to the movable frame and movably passes through the box body. The cutting knife is fixedly connected to the push rod and is located in the box body. The box body has a cutting groove.
7. The rice grain length separation and screening system according to claim 6, characterized in that: The second driving member includes a mounting plate and a second motor. The mounting plate is fixedly connected to the box body and is located on the outer wall of the box body. The second motor is fixedly connected to the mounting plate and is located above the mounting plate. The disc is fixedly connected to the output end of the second motor.