Combined white rice sieve assembly
By designing a modular rice sieve assembly, and utilizing components such as hydraulic push rods, electric telescopic rods, and servo motors, the problems of fixed installation of the sieve and non-adjustable discharge port are solved, enabling rapid assembly and disassembly of the sieve and control of the discharge speed, thereby improving the efficiency of rice production.
Patent Information
- Application Number
- CN202520221623.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-12
AI Technical Summary
The existing rice sieve assembly has a fixed screen installation, which makes maintenance inconvenient, and the simple structure of the discharge port cannot be adjusted, affecting production efficiency.
The design employs a modular approach, utilizing hydraulic push rods and electric telescopic rods to achieve rapid assembly and installation of the screening basket and the housing. A servo motor drives a bidirectional threaded rod to adjust the size of the discharge port, and a vibration motor is combined to improve screening efficiency.
It enables quick disassembly and maintenance of the screen, facilitates adjustment of the feeding speed, and improves the efficiency of white rice screening and the utilization efficiency of the equipment.
Smart Images

Figure CN223819108U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rice production technology, specifically a combined white rice sieve assembly. Background Technology
[0002] The technology of rice production has been continuously advancing, from traditional brown rice processing to high-tech rice starch production. This has not only improved the nutritional value and market competitiveness of the products, but also contributed to the sustainable development of agriculture. Rice production includes paddy grading and processing technology, water conditioning technology, rice milling technology, rice polishing and color sorting technology, and compound rice processing technology.
[0003] In rice production, rice screening devices are mainly used to remove impurities and incomplete grains during rice processing to ensure the quality and taste of the rice. Screening devices effectively separate broken rice and incomplete grains from the rice through different screen structures and vibration mechanisms, thereby improving the overall quality of the rice.
[0004] In the process of realizing this utility model, the inventors discovered the following problems with the existing technology: 1. The screen of the existing white rice sieve assembly is usually fixed in place by bolts inside the equipment. When the user needs to maintain or replace the screen assembly, it is inconvenient to quickly disassemble and assemble the screen, which affects the production efficiency; 2. The feed port structure of the existing white rice sieve assembly is relatively simple, making it inconvenient to adjust the opening and closing size of the feed port, resulting in an excessive amount of white rice in the equipment, which affects the efficiency of white rice screening. Utility Model Content
[0005] The purpose of this utility model is to provide a combined white rice sieve assembly to solve the problems of inconvenient maintenance and adjustment of white rice sieve assemblies mentioned in the background art. To achieve the above objective, this utility model provides the following technical solution: a combined white rice sieve assembly, including a housing, with one end of a hydraulic push rod installed at each of the four bottom corners of the housing, and a support base installed at the other end of the hydraulic push rod; a cabinet door installed on one side surface of the housing, a side cover installed on the other side surface of the housing, a feeding assembly installed on the top surface of the housing, an installation rail installed on the inner wall of the housing, a screening assembly installed on the inner wall of the installation rail, electric telescopic rods installed on both sides of the inner wall of the housing, an adjusting plate installed at one end of the electric telescopic rod, an insert rod installed on one side surface of the adjusting plate, and a limit sliding rod installed on the inner wall of the adjusting plate.
[0006] The feeding assembly includes a hopper mounted on the top surface of the housing, a bracket mounted on the bottom surface of the hopper, a servo motor mounted on one side surface of the bracket, a bidirectional threaded rod mounted on the output end of the servo motor, a first opening door and a second opening door mounted on the outer wall of the bidirectional threaded rod, and a slide rail mounted on the inner wall of the bracket.
[0007] The screening assembly includes a screening basket mounted on the inner wall of the mounting rail. A fixing ring is mounted on one side surface of the screening basket, and a main fixing block is mounted on one side surface of the screening basket. A one-way threaded rod is mounted on the inner wall of the main fixing block, and a handle is mounted on the top surface of the one-way threaded rod. A screen is mounted on the inner wall of the screening basket, and a secondary fixing block is mounted on one side surface of the screen.
[0008] More preferably, there are four hydraulic push rods, and the hydraulic push rods are symmetrical about the central axis of the housing, and the hydraulic push rods and the housing constitute a lifting mechanism.
[0009] More preferably, the servo motor forms a transmission mechanism with the first and second opening / closing doors via a bidirectional threaded rod.
[0010] More preferably, a vibration motor is provided on the bottom surface of the housing.
[0011] More preferably, both sides of the screening basket are provided with inserts whose external dimensions are consistent with the inner wall dimensions of the mounting rail, and the screening basket forms an insertion structure with the housing through the inserts and the mounting rail.
[0012] More preferably, there are two electric telescopic rods, and the electric telescopic rods are symmetrical about the central axis of the housing. The electric telescopic rods and the adjusting plate form a telescopic mechanism. At the same time, the inner wall of the fixing ring is provided with mounting holes whose internal dimensions are consistent with the external dimensions of the insertion rod.
[0013] More preferably, the screen and the screening basket form a plug-in structure, and the inner wall of the secondary fixing block is provided with a mounting groove whose internal size structure is consistent with the external size structure of the one-way threaded rod.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This utility model adopts a modular design, which allows the screening basket to be quickly assembled and installed with the housing. The electric telescopic rods on both sides of the housing can be activated, and the electric telescopic rods extend the insertion rods through the adjustment plate, thereby inserting the insertion rods into the mounting holes of the fixing rings, which can effectively fix the screening baskets. The screen can also be plugged into the screening baskets for installation. The modular design facilitates the quick assembly and installation of the screen, screening baskets and housings, and also facilitates the maintenance and replacement of the components.
[0016] This invention employs an easily adjustable design. A servo motor can be started, which drives a bidirectional threaded rod to rotate. This allows control over the approach and separation of the first and second opening doors, thereby adjusting the opening and closing size of the discharge port at the bottom of the hopper. This facilitates control over the discharge speed of white rice, preventing excessive amounts of white rice from affecting the screening efficiency. Attached Figure Description
[0017] Figure 1 This is a front view structural diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the exploded structure of this utility model;
[0019] Figure 3 This is an exploded magnified structural diagram of the feeding assembly of this utility model;
[0020] Figure 4 This is an exploded magnified structural diagram of the screening component of this utility model.
[0021] In the diagram: 1. Housing; 2. Hydraulic push rod; 3. Support base; 4. Cabinet door; 5. Side cover; 6. Feeding assembly; 601. Hopper; 602. Bracket; 603. Servo motor; 604. Bidirectional threaded rod; 605. First opening door; 606. Second opening door; 607. Slide rail; 7. Mounting rail; 8. Screening assembly; 801. Screening basket; 802. Fixing ring; 803. Main fixing block; 804. One-way threaded rod; 805. Handle; 806. Screen; 807. Secondary fixing block; 9. Electric telescopic rod; 10. Adjusting plate; 11. Insert rod; 12. Limiting slide rod. Detailed Implementation
[0022] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1 to 4This utility model provides a technical solution: a combined white rice sieve assembly, including a housing 1, with one end of a hydraulic push rod 2 installed at each of the four bottom corners of the housing 1, and a support base 3 installed at the other end of the hydraulic push rod 2, a cabinet door 4 installed on one side surface of the housing 1, a side cover 5 installed on the other side surface of the housing 1, a feeding assembly 6 installed on the top surface of the housing 1, an installation rail 7 installed on the inner wall of the housing 1, a screening assembly 8 installed on the inner wall of the installation rail 7, electric telescopic rods 9 installed on both sides of the inner wall of the housing 1, an adjusting plate 10 installed at one end of the electric telescopic rod 9, an insert rod 11 installed on one side surface of the adjusting plate 10, and a limit sliding rod 12 installed on the inner wall of the adjusting plate 10.
[0024] The feeding assembly 6 includes a hopper 601 mounted on the top surface of the housing 1, a bracket 602 mounted on the bottom surface of the hopper 601, a servo motor 603 mounted on one side surface of the bracket 602, a bidirectional threaded rod 604 mounted on the output end of the servo motor 603, a first opening and closing door 605 and a second opening and closing door 606 mounted on the outer wall of the bidirectional threaded rod 604, and a slide rail 607 mounted on the inner wall of the bracket 602.
[0025] The screening assembly 8 includes a screening basket 801 installed on the inner wall of the mounting rail 7. A fixing ring 802 is installed on one side surface of the screening basket 801. A main fixing block 803 is installed on one side surface of the screening basket 801. A one-way threaded rod 804 is installed on the inner wall of the main fixing block 803. A handle 805 is installed on the top surface of the one-way threaded rod 804. A screen 806 is installed on the inner wall of the screening basket 801. A secondary fixing block 807 is installed on one side surface of the screen 806.
[0026] In this embodiment, as Figure 1 As shown, there are four hydraulic push rods 2, and the hydraulic push rods 2 are symmetrical about the central axis of the housing 1. The hydraulic push rods 2 and the housing 1 form a lifting mechanism. With this design, the height of the housing 1 can be adjusted by the hydraulic push rods 2 as needed, so that the device has the function of height adjustment.
[0027] In this embodiment, as Figure 3 As shown, the servo motor 603, through the bidirectional threaded rod 604, forms a transmission mechanism with the first opening and closing door 605 and the second opening and closing door 606. With this design, the servo motor 603 can be started, and the servo motor 603 drives the bidirectional threaded rod 604 to rotate, thereby controlling the first opening and closing door 605 and the second opening and closing door 606 to move closer and separate. This allows for adjustment of the opening and closing size of the bottom discharge port of the hopper 601, facilitating control of the rice discharge speed and preventing excessive rice in the equipment from affecting the screening efficiency.
[0028] In this embodiment, as Figure 1As shown, a vibration motor is provided on the bottom surface of the housing 1. With this design, when the user is screening white rice, the vibration motor can be started, and the vibration motor drives the equipment to vibrate, which can effectively screen the white rice and improve the screening efficiency.
[0029] In this embodiment, as Figure 1 As shown, both sides of the screening basket 801 are provided with inserts whose external dimensions and structures are consistent with the inner wall dimensions and structures of the mounting rail 7. The screening basket 801 forms an insertion structure with the housing 1 through the inserts and the mounting rail 7. This design makes it easy to insert the screening basket 801 along the mounting rail 7 through the inserts on both sides, so that the screening basket 801 and the housing 1 can be quickly assembled and installed, effectively improving the installation efficiency.
[0030] In this embodiment, as Figure 2 As shown, there are two electric telescopic rods 9, which are symmetrical about the central axis of the housing 1. The electric telescopic rods 9 and the adjusting plate 10 form a telescopic mechanism. At the same time, the inner wall of the fixing ring 802 has a mounting hole with an internal size structure that matches the external size structure of the insertion rod 11. With this design, when the screening basket 801 is assembled with the housing 1, the electric telescopic rods 9 on both sides of the housing 1 can be activated. The electric telescopic rods 9 extend the insertion rod 11 through the adjusting plate 10, so that the insertion rod 11 is inserted into the mounting hole of the fixing ring 802, thereby effectively fixing the screening basket 801.
[0031] In this embodiment, as Figure 4 As shown, the screen 806 and the screening basket 801 form a plug-in structure, and the inner wall of the auxiliary fixing block 807 has an installation groove whose internal dimensions are consistent with the external dimensions of the one-way threaded rod 804. Through this design, the screen 806 and the screening basket 801 can be plugged in and installed. At this time, the auxiliary fixing block 807 is in contact with the main fixing block 803. The handle 804 can be rotated to drive the one-way threaded rod 805 to rotate and insert into the installation groove, which can quickly fix the screen 806 and the screening basket 801. Conversely, the screen 806 can be quickly disassembled, which is convenient for the maintenance and replacement of the screen 806.
[0032] The usage and advantages of this utility model: The working process of this combined rice sieve assembly is as follows:
[0033] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, firstly, the height of the housing 1 is adjusted by the hydraulic push rod 2 as needed, giving the device an adjustable height function. Then, white rice is poured into the hopper 601. Next, the servo motor 603 is started, driving the bidirectional threaded rod 604 to rotate. This controls the first opening door 605 and the second opening door 606 to move closer together and separate, thereby adjusting the opening and closing size of the discharge port at the bottom of the hopper 601 to control the feeding speed of the white rice. Then, the vibration motor is started, causing the device to vibrate, which can effectively screen the white rice. The inner wall of the housing 1 is equipped with multiple screens 8. 06. The aperture of the screen 806 decreases from top to bottom. The screened white rice will remain in the screening basket 801. After screening is completed, the cabinet door 4 can be opened, and then the electric telescopic rods 9 on both sides of the housing 1 can be activated. The electric telescopic rods 9 retract the insertion rod 11 through the adjustment plate 10, so that the insertion rod 11 can be pulled out from the mounting hole of the fixing ring 802. Then the screening basket 801 can be pulled out from the housing 1, and the white rice in the screening basket 801 can be discharged. At the same time, the screen 806 and the screening basket 801 adopt a combined design, and the screen 806 can be quickly disassembled, maintained and replaced as needed.
[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A modular white rice sieve assembly, comprising a housing (1), characterized in that: Hydraulic push rods (2) are installed at the four corners of the bottom of the housing (1), and a support base (3) is installed at the other end of the hydraulic push rods (2). A cabinet door (4) is installed on one side surface of the housing (1), and a side cover (5) is installed on the other side surface of the housing (1). A feeding assembly (6) is installed on the top surface of the housing (1). An installation rail (7) is installed on the inner wall of the housing (1), and a screening assembly (8) is installed on the inner wall of the installation rail (7). Electric telescopic rods (9) are installed on both sides of the inner wall of the housing (1). An adjusting plate (10) is installed at one end of the electric telescopic rod (9). An insert rod (11) is installed on one side surface of the adjusting plate (10), and a limit slide rod (12) is installed on the inner wall of the adjusting plate (10). The feeding assembly (6) includes a hopper (601) installed on the top surface of the housing (1), a bracket (602) installed on the bottom surface of the hopper (601), a servo motor (603) installed on one side surface of the bracket (602), a bidirectional threaded rod (604) installed at the output end of the servo motor (603), a first opening door (605) and a second opening door (606) installed on the outer wall of the bidirectional threaded rod (604), and a slide rail (607) installed on the inner wall of the bracket (602). The screening assembly (8) includes a screening basket (801) installed on the inner wall of the mounting rail (7). A fixing ring (802) is installed on one side surface of the screening basket (801). A main fixing block (803) is installed on one side surface of the screening basket (801). A one-way threaded rod (804) is installed on the inner wall of the main fixing block (803). A handle (805) is installed on the top surface of the one-way threaded rod (804). A screen (806) is installed on the inner wall of the screening basket (801). A secondary fixing block (807) is installed on one side surface of the screen (806).
2. The combined white rice sieve assembly according to claim 1, characterized in that: There are four hydraulic push rods (2), and the hydraulic push rods (2) are symmetrical about the central axis of the housing (1), and the hydraulic push rods (2) and the housing (1) constitute a lifting mechanism.
3. The combined white rice sieve assembly according to claim 1, characterized in that: The servo motor (603) forms a transmission mechanism with the first opening and closing door (605) and the second opening and closing door (606) through a bidirectional threaded rod (604).
4. The combined white rice sieve assembly according to claim 1, characterized in that: The bottom surface of the housing (1) is provided with a vibration motor.
5. The combined white rice sieve assembly according to claim 1, characterized in that: Both sides of the screening basket (801) are provided with inserts whose external dimensions are consistent with the inner wall dimensions of the mounting rail (7), and the screening basket (801) and the housing (1) are connected by inserts and mounting rail (7).
6. The combined white rice sieve assembly according to claim 1, characterized in that: There are two electric telescopic rods (9), and the electric telescopic rods (9) are symmetrical about the central axis of the housing (1). The electric telescopic rods (9) and the adjusting plate (10) form a telescopic mechanism. At the same time, the inner wall of the fixing ring (802) is provided with mounting holes whose internal dimensions are consistent with the external dimensions of the insertion rod (11).
7. The combined white rice sieve assembly according to claim 1, characterized in that: The screen (806) and the screening basket (801) form a plug-in structure, and the inner wall of the auxiliary fixing block (807) is provided with an installation groove whose internal size structure is consistent with the external size structure of the one-way threaded rod (804).