Layered screening device
By introducing an anti-clogging mechanism and an air jet pipe structure into the Ophiopogon japonicus screening device, the problem of screen hole clogging was solved, and efficient and continuous production of Ophiopogon japonicus screening was achieved.
Patent Information
- Application Number
- CN202422915317.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional screening devices lack anti-clogging mechanisms in the production of Ophiopogon japonicus, which makes the sieve holes easily clogged by Ophiopogon japonicus particles, affecting screening efficiency.
A layered screening device was designed, which adopts an anti-clogging mechanism. It uses an air jet pipe to reciprocate air jets to the bottom of the screen to prevent the screen holes from clogging. It is also equipped with a vibration motor and spring structure to improve screening efficiency.
It effectively prevents sieve clogging, improves the efficiency and stability of Ophiopogon japonicus screening, and ensures continuous production.
Smart Images

Figure CN223517998U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of screening device relates to a layered screening device. BACKGROUND
[0002] Ophiopogon japonicus, the name of traditional Chinese medicinal material. The product is the dry tuber of lily family plant Ophiopogon (Ophiopogon japonicus). Function and indication: nourishing yin and generating fluid, moistening lung and relieving cough: for lung and stomach yin deficiency, less fluid, dry cough, hemoptysis, palpitation and easy fright of heart yin deficiency and other symptoms of heat damage fluid in the late stage of heat disease. With sandwort, Sichuan beibei can cure dry cough of lung yin deficiency. In the production and processing of Ophiopogon, Ophiopogon needs to be screened, and the traditional screening device lacks the corresponding anti-blocking mechanism, and the screen hole is easy to be blocked by Ophiopogon particles, and manual cleaning needs to stop, which causes poor screening efficiency.
[0003] Therefore, the utility model provides a layered screening device, solves above problem. UTILITY MODEL CONTENT
[0004] In view of the problems existing in the prior art, the utility model discloses a layered screening device, adopts the technical scheme, including the frame, the frame includes the base, the front and rear two side edges of the base are fixedly connected to the inclined fixed frame respectively, the inclined fixed frame is formed by two vertical beams and three cross beams, the left and right two sides of the cross beam are symmetrically provided with the notched, and the opposite end of the left and right notched is fixedly provided with the first fixed lug respectively, and the cross beam between the front and rear opposite is installed screening assembly, the screening assembly includes the screen frame, the bottom of the screen frame is fixedly installed the screen, the left end of the screen frame is fixedly installed the vibration motor, the left and right two sides of the front and rear side walls of the screen frame are fixedly installed the L type fixed column respectively, the opposite end of the left and right L type fixed column is respectively sleeved with the first spring, and the fixed column of the opposite end of the left and right first spring is movably inserted in the left and right first fixed lug respectively, and the lower part of the screen frame is installed the anti-blocking mechanism.
[0005] As a preferred scheme of the utility model, the four corners of the base are respectively provided with mounting holes, the device is fixed to the ground through cooperating with the foot bolt, and the stability during use is guaranteed.
[0006] As a preferred scheme of the utility model, the mesh of the screen of the upper, middle and lower three layers is gradually reduced.
[0007] As a preferred scheme of the utility model, the opposite end of the L type fixed column and the screen frame is respectively sleeved with the second spring, and the second spring is used to absorb the impact between the front and rear inclined fixed frame during the vibration of the screen frame, and the right end of the front and rear side walls of the screen frame is grooved and movably inserted with the T type baffle.
[0008] As a preferred scheme of the utility model, the anti-blocking mechanism comprises a jet pipe arranged on the lower surface of the screen mesh, the left end of the jet pipe is fixedly connected with a moving block, the moving block is sleeved on a lead screw, the front and rear ends of the lead screw are respectively sleeved in second fixed ears, the second fixed ears are fixedly installed on the lower side of the left and right ends of the lower side wall of the screen frame, the rear end of the lead screw is fixedly connected with the output shaft of a motor, the upper side of the motor is fixedly installed on the rear side wall of the screen frame through an L-shaped fixed plate, the right end of the jet pipe is movably inserted into a U-shaped fixed groove, and the front and rear ends of the U-shaped fixed groove are fixedly connected with the front and rear sides of the right end of the screen frame.
[0009] As a preferred scheme of the utility model, the middle part of the jet pipe is communicated with an air inlet pipe, and nozzles are uniformly arranged on the upper surface of the jet pipe from left to right.
[0010] The utility model discloses the beneficial effects that: through setting up the anti-blocking mechanism in the lower part of each screen mesh, the motor is controlled to rotate, drives the lead screw to rotate reversely, and then drives the moving block and the jet pipe on the lead screw to move back and forth along the lower side wall of the screen mesh, cooperates with the high-pressure gas of external connection, sprays the screen hole of the screen mesh, avoids the blockage of the screen hole, and then effectively improves the working efficiency of the screen mesh. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0012] Fig. 2 It is the rack schematic diagram of the utility model;
[0013] Fig. 3 It is the screening subassembly schematic diagram of the utility model;
[0014] Fig. 4 It is the anti-blocking mechanism schematic diagram of the utility model.
[0015] In the drawing: 1 - rack, 2 - screening subassembly, 3 - anti-blocking mechanism, 11 - base, 111 - mounting hole, 12 - inclined fixed frame, 121 - slot, 122 - first fixed ear, 21 - screen frame, 22 - screen mesh, 23 - vibration motor, 24 - L-shaped fixed column, 25 - first spring, 26 - second spring, 27 - T-shaped baffle, 31 - jet pipe, 311 - air inlet pipe, 312 - nozzle, 32 - moving block, 33 - lead screw, 34 - second fixed ear, 35 - motor, 36 - L-shaped fixed plate, 37 - U-shaped fixed groove. DETAILED DESCRIPTION
[0016] Embodiment 1
[0017] As Figs. 1 to 4 The utility model discloses a layered screening device adopts the technical scheme, including frame 1, the frame 1 includes base 11, four corners of base 11 are set up mounting hole 111 respectively, the front and back two side edges of base 11 are fixedly connected inclined fixed frame 12 respectively, the inclined fixed frame 12 is formed by two vertical beams and three cross beams, the left and right sides of cross beam are set up symmetrically notched 121, and the left and right notched 121 opposite ends are fixedly set first fixed lug 122 respectively, and the front and back cross beam between installation screening assembly 2, screening assembly 2 includes screen frame 21, the bottom fixed mounting screen 22 of screen frame 21, the mesh of upper, middle and lower three layers screen 22 reduces gradually, the left end fixed mounting vibration motor 23 of screen frame 21, the left and right sides of the front and back side wall of screen frame 21 are fixedly installed L type fixed column 24 respectively, and the left and right L type fixed column 24 opposite ends are respectively sleeved first spring 25, and the fixed column of the left and right first spring 25 opposite ends is respectively movably inserted in the left and right first fixed lug 122, and the one end of L type fixed column 24 and screen frame 21 is respectively sleeved second spring 26, and the right end of the front and back side wall of screen frame 21 is slotted and movably inserted T type baffle 27, the lower part mounting anti-blocking mechanism 3 of screen frame 21, the anti-blocking mechanism 3 includes the jet pipe 31 set up in the lower surface of screen 22, the middle part of jet pipe 31 is communicated with inlet pipe 311, the upper surface of jet pipe 31 is evenly set with nozzle 312 from left to right, the left end fixed connection of jet pipe 31 moves block 32, the moving block 32 is sleeved on the lead screw 33, the front and back two ends of lead screw 33 are respectively sleeved in second fixed lug 34, and the front and back second fixed lug 34 are fixedly installed in the lower side of the left and right ends of the lower side wall of screen frame 21, the rear end of lead screw 33 and the output shaft of motor 35 are fixedly connected, the upper side of motor 35 is fixedly installed in the rear side wall of screen frame 21 through L type fixed plate 36, the right end of jet pipe 31 is movably inserted in U type fixed slot 37, and the front and back two ends of U type fixed slot 37 are fixedly connected with the right end of screen frame 21 respectively.
[0018] The utility model discloses a working principle: in use, use anchor bolt and fix base 11 on the ground, start every layer sieve frame 21 left side's vibration motor 23, adjust every layer vibration motor 23's frequency, the need screening of ophiopogon japonicus is introduced the left end of the uppermost sieve frame 21, under the action of vibration motor 23, make ophiopogon japonicus be screened and filtered in turn by upper and lower layer screen 22, and the ophiopogon japonicus of larger particle, medium particle and small particle is detained in upper and lower layer screen 22 respectively, in the process of screening, simultaneously, the air pipe of external connection air compressor is fixedly connected with the air inlet pipe 311 of every layer sieve frame 21 lower part's air jet pipe 31 middle, control every layer sieve frame 31 rear side's motor 35 and regularly reverse rotation, drive corresponding screw rod 33 rotation, and then drive corresponding moving block 32 along with the left side lower surface of screen 22 reciprocating motion, drive corresponding air jet pipe 31 along with the lower surface of screen 22 reciprocating motion, and then carry out air injection to the screen hole of every layer screen 22, blow away the ophiopogon japonicus particle or impurity that is jammed in the screen hole, avoid jam, and then improve the filtering efficiency of screen.
[0019] The electrical connection mode or structure not described in detail in the present document is prior art.
[0020] The above although has made the detailed explanation to the specific embodiment of the utility model, but the utility model is not limited to the above embodiment, still can make various changes within the knowledge range of the person skilled in the art who does not depart from the utility model's purpose, and the modification or deformation without creative labor is still within the protection scope of the utility model.
Claims
1. A tiered screening device, characterized by: Include frame (1), the frame (1) includes base (11), the front and rear two side edges of base (11) are fixedly connected to the inclined fixing frame (12) respectively, the inclined fixing frame (12) is formed by two vertical beams and three cross beams, the left and right two sides of the cross beam are symmetrically provided with notches (121), the left and right notches (121) are fixedly provided with first fixed ears (122) at opposite ends respectively, the screen assembly (2) is installed between the front and rear opposite cross beams, the screen assembly (2) includes screen frame (21), the screen frame (21) is fixedly installed with screen (22) at the bottom, the screen frame (21) is fixedly installed with vibration motor (23) at the left end, the left and right sides of the front and rear side walls of screen frame (21) are fixedly installed with L-shaped fixed column (24) symmetrically, the left and right L-shaped fixed columns (24) are respectively sleeved with first spring (25) at opposite ends, the fixed columns at the opposite ends of the left and right first springs (25) are movably inserted into the left and right first fixed ears (122) respectively, the lower part of screen frame (21) is installed with anti-blocking mechanism (3).
2. A tiered screening device according to claim 1, wherein: The mounting hole (111) is formed at the four corners of the base (11).
3. A tiered screening device according to claim 1, wherein: The mesh size of the upper, middle and lower three layers of screen (22) decreases in turn.
4. The layered screening device of claim 1, wherein: The end of L-shaped fixed column (24) connected with screen frame (21) is sleeved with second spring (26) respectively, and T-shaped baffle (27) is movably inserted into the groove at the right end of the front and rear side walls of screen frame (21).
5. The layered screening device of claim 1, wherein: The anti-blocking mechanism (3) includes a jet pipe (31) arranged on the lower surface of the screen (22), the left end of the jet pipe (31) is fixedly connected with a moving block (32), the moving block (32) is sleeved on a lead screw (33), the lead screw (33) is sleeved in a second fixed ear (34) at the front and rear ends, the front and rear second fixed ears (34) are fixedly installed on the left and right ends of the lower side wall of the screen frame (21), the rear end of the lead screw (33) is fixedly connected with the output shaft of a motor (35), the upper side of the motor (35) is fixedly installed on the rear side wall of the screen frame (21) through an L-shaped fixed plate (36), the right end of the jet pipe (31) is movably inserted into a U-shaped fixed groove (37), and the front and rear ends of the U-shaped fixed groove (37) are fixedly connected with the front and rear sides of the right end of the screen frame (21).
6. A tiered screening device according to claim 5, wherein: The middle part of the jet pipe (31) is communicated with an air inlet pipe (311), and nozzles (312) are uniformly formed on the upper surface of the jet pipe (31) from left to right.