Broad bean screening device for food processing
By using an inclined suspension screen structure and nylon rope design, the high resistance and noise problems caused by hard contact between the screen and the frame in existing technologies are solved, extending the motor life and improving the efficiency and noise control of the broad bean screening device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANYANG YIYOU AGRI PROD CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-04-28
AI Technical Summary
The existing broad bean screening device has a hard contact between the screen and the frame, which results in high shaking resistance, high motor load, short lifespan and serious noise problems.
The screen adopts an inclined suspension structure, with four ropes connecting the screen to the top frame. The screen vibration component drives the screen to vibrate back and forth, reducing hard contact with the top frame. The use of nylon ropes reduces vibration resistance, and residue troughs and collection troughs are set to facilitate impurity separation.
It reduces the resistance during screen vibration, extends motor life, reduces noise, and improves screening efficiency and impurity separation.
Smart Images

Figure CN224167964U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of broad bean screening technology, specifically a broad bean screening device for food processing. Background Technology
[0002] Broad beans have a unique flavor and are rich in nutrients. They are usually processed into food for consumption. Currently, broad beans must undergo a screening process before entering the formal processing stage to remove underdeveloped, substandard broad beans, as well as small residues and impurities, selecting high-quality broad beans for use as raw materials to produce high-quality broad bean products. Existing technologies, such as the broad bean screening devices disclosed in publication numbers CN209953223 U and CN 220160549 U, use a motor to drive the screen to shake. Because the screen and the frame are in hard contact, the shaking resistance is large, resulting in a high load on the motor, reduced lifespan, and noise problems. Summary of the Invention
[0003] In view of this, this utility model provides a broad bean screening device for food processing to address the shortcomings of the existing technology.
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a broad bean screening device for food processing, including a top frame and support columns set at the four corners of the top frame. A screen structure is inclinedly arranged on the lower side of the top frame. One short side of the screen structure is connected to the top frame by multiple first ropes, and the other short side of the screen structure is connected to the top frame by multiple second ropes. The length of the first ropes is less than the length of the second ropes. A screen vibration component is arranged on the long side of the screen structure. The screen vibration component includes a motor, a turntable, and a connecting rod. The rotating shaft of the motor is connected to the turntable. The connecting rod is hinged to the turntable at an eccentric position. The other end of the connecting rod is hinged to the long side of the screen structure.
[0005] Furthermore, the screen structure includes a frame and a screen, the screen is disposed on the bottom surface of the frame, and an opening is provided on the lower side of the frame.
[0006] Furthermore, a support rod is provided between the two support columns on the lower part of the long side of the top frame, and the motor is fixed on the support rod.
[0007] Furthermore, a residue trough is provided below the screen structure, and a material collection trough is provided on the lower side of the end of the screen structure.
[0008] Furthermore, a feeding bin is provided on the upper part of the higher side of the screen structure, and the feeding bin is fixed to the short side of the top frame.
[0009] Furthermore, both the first and second ropes are nylon ropes.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] This utility model relates to a broad bean screening device for food processing. The screen structure is suspended at an angle from the underside of a top frame by four ropes. Driven by a vibrating component, the screen structure vibrates reciprocally for screening. During vibration, because the screen structure is not in rigid contact with the top frame, the vibration resistance is low, reducing the motor load and thus extending the motor's lifespan, while also significantly reducing noise. Furthermore, a residue trough is provided below the screen structure for easy collection of residue, and a collection trough is located at the lower end of the screen structure. Screened broad beans fall into the collection trough through the frame opening for collection. The first and second ropes are made of nylon rope, which is high in strength, has a high load-bearing capacity, and good wear resistance. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model;
[0013] Figure 2 This is a partial front view of Embodiment 2 of this utility model;
[0014] In the diagram: 1-Top frame, 2-Support column, 3-First rope, 4-Second rope, 5-Motor, 6-Turntable, 7-Connecting rod, 8-Frame, 9-Screw, 10-Opening, 11-Support rod, 12-Residue trough, 13-Collection trough, 14-Discharge bin, 15-Fixed pulley, 16-Screw, 17-Nut. Detailed Implementation
[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.
[0016] Example 1: As Figure 1As shown, a broad bean screening device for food processing includes a top frame 1 and support columns 2 disposed at the four corners of the top frame 1. A screen structure is inclinedly disposed on the lower side of the top frame 1. One short side of the screen structure is connected to the top frame 1 by two first ropes 3, and the other short side of the screen structure is connected to the top frame 1 by two second ropes 4. The length of the first ropes 3 is less than the length of the second ropes 4. A screen vibration component is disposed on the long side of the screen structure. The screen vibration component includes a motor 5, a turntable 6, and a connecting rod 7. The turntable 6 is disposed on the rotating shaft of the motor 5. The connecting rod 7 is hinged to the turntable 6 at an eccentric position. The other end of the connecting rod 7 is hinged to the long side of the screen structure. The motor 5 drives the turntable 6 to rotate, causing the connecting rod 7 to drive the screen structure to reciprocate and shake for screening. The length of the connecting rod 7 is preferably such that the screen structure does not come into contact with the support columns during shaking.
[0017] Specifically, the screen structure includes a frame 8 and a screen 9, with the screen 9 disposed on the bottom surface of the frame 8 and an opening 10 disposed on the lower side of the frame 8.
[0018] A support rod 11 is provided between the two support columns 2 on the lower part of the long side of the top frame 1, and the motor 5 is fixed on the support rod 11.
[0019] A residue trough 12 is provided below the screen structure, and a material collection trough 13 is provided on the lower side of the end of the screen structure.
[0020] The upper part of the higher side of the screen structure is provided with a feeding bin 14. The feeding bin 14 is fixed to the short side of the top frame 1. The feeding bin 14 is an inverted right trapezoid, and the side away from the screen 9 is inclined. The feeding port of the feeding bin 14 corresponds to the screen 9. The feeding port is rectangular and its length is less than the width of the screen 9.
[0021] Both the first rope 3 and the second rope 4 are nylon ropes, which are strong, durable, and have a high load-bearing capacity.
[0022] Example 2: As Figure 2 As shown, the broad bean screening device for food processing in this embodiment of the present invention is further improved based on Embodiment 1:
[0023] The top surface of the top frame 1 is provided with pulleys 15 corresponding to the positions of the two first ropes 3. The outer side of the top frame 1 is provided with screws 16 corresponding to the positions of the two first ropes 3. Two nuts 17 are threaded onto the two screws 16.
[0024] In this embodiment of the invention, when adjusting and fixing the two first ropes 3, a nut 17 is first threaded onto the two screws 16. Then, the ends of the two first ropes 3 are passed through the fixed pulleys 15 and wound onto the screws 16. Then, another nut 17 is threaded onto the screws 16, so that the ends of the first ropes 3 are fixed between the two nuts 17. Using this fixing method, the length between the first ropes 3 and the screen structure can be easily adjusted, thereby adjusting the inclination of the screen structure to meet different falling speeds, which is highly flexible.
[0025] The above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art can still make modifications or equivalent substitutions to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model are within the protection scope of the claims of this utility model.
Claims
1. A broad bean screening device for food processing, comprising a top frame and support columns disposed at the four corners of the top frame, characterized in that: A screen structure is inclinedly arranged on the lower side of the top frame. One short side of the screen structure is connected to the top frame by multiple first ropes, and the other short side of the screen structure is connected to the top frame by multiple second ropes. The length of the first ropes is less than the length of the second ropes. A screen vibration component is arranged on the long side of the screen structure. The screen vibration component includes a motor, a turntable, and a connecting rod. The turntable is mounted on the shaft of the motor. The connecting rod is hinged to the turntable at an eccentric position. The other end of the connecting rod is hinged to the long side of the screen structure.
2. The broad bean screening device for food processing according to claim 1, characterized in that: The screen structure includes a frame and a screen, with the screen disposed on the bottom surface of the frame and an opening provided on the lower side of the frame.
3. The broad bean screening device for food processing according to claim 1, characterized in that: A support rod is provided between the two support columns on the lower part of the long side of the top frame, and the motor is fixed on the support rod.
4. The broad bean screening device for food processing according to claim 2, characterized in that: A residue trough is provided below the screen structure, and a material collection trough is provided on the lower side of the end of the screen structure.
5. The broad bean screening device for food processing according to claim 1, characterized in that: The upper part of the higher side of the screen structure is provided with a feeding bin, which is fixed to the short side of the top frame.
6. The broad bean screening device for food processing according to claim 1, characterized in that: Both the first and second ropes are nylon ropes.
Citation Information
Patent Citations
Broad bean raw material screening device
CN209953223U
Screening device for broad beans
CN220160549U