CN112337606B - Screening device is prevented blockking up by material for chemical production - Google Patents
Screening device is prevented blockking up by material for chemical production Download PDFInfo
- Publication number
- CN112337606B CN112337606B CN202011126851.2A CN202011126851A CN112337606B CN 112337606 B CN112337606 B CN 112337606B CN 202011126851 A CN202011126851 A CN 202011126851A CN 112337606 B CN112337606 B CN 112337606B
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- China
- Prior art keywords
- wall
- fixedly connected
- chemical production
- screening device
- storage box
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a material anti-blocking screening device for chemical production, which aims at solving the problem that materials are stacked and meshes are blocked and cannot be screened, and the material anti-blocking screening device comprises a storage box, wherein fixing rods are fixedly connected to the outer walls of two sides of the storage box, and a fixing plate is fixedly connected to the outer wall of the top of each fixing rod. According to the invention, the upper material does not apply pressure to the blocked material any more, so that the blocked material is conveniently popped out from the mesh, and the subsequent screening is conveniently carried out.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to a material anti-blocking screening device for chemical production.
Background
The chemical production process refers to a production process of chemically processing raw materials to finally obtain valuable products. Due to the diversity of raw materials and products and the complexity of the production process, tens of thousands of chemical production processes are formed, and materials required to be used in chemical production generally need to be screened, so that a material screening device for chemical production needs to be used.
The screening device is prevented blockking up by material for chemical production who has now on the market mostly has following not enough: the material piles up on the screen cloth of tiling, and the below material dies the mesh stifled, and the top material is exerted pressure for the below material again, leads to stifled dead material can't upwards break away from to lead to the screening efficiency low, and current patent is difficult for solving this type of problem, consequently, need a material for chemical production to prevent blockking up sieving mechanism and solve above-mentioned problem urgently.
Disclosure of Invention
The invention provides a material anti-blocking screening device for chemical production, which is based on the technical problems that materials are stacked and meshes are blocked and screening cannot be performed in the existing material anti-blocking screening device for chemical production.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a sieving mechanism is prevented blockking up by material for chemical production, includes the storage box, equal fixedly connected with dead lever on the both sides outer wall of storage box, fixedly connected with fixed plate on the top outer wall of dead lever, its characterized in that, fixedly connected with bracing piece on the outer wall of one side of fixed plate, the sliding sleeve that has cup jointed on the circumference outer wall of bracing piece has taken turns, the equal fixedly connected with telescopic link in both ends of taking turns, all cup jointed expanding spring, two on the circumference outer wall of telescopic link the same diamond-shaped hinge frame of one end fixedly connected with of telescopic link extension rod, fixedly connected with screen cloth on the articulated frame bottom outer wall of diamond-shaped, the both sides that fixed plate one side outer wall is close to diamond-shaped hinge frame top outer wall all are equipped with actuating mechanism.
As a still further scheme of the invention: the driving mechanism comprises a first motor, one end of an output shaft of the first motor is connected with a transmission shaft in a key mode, and a gear disc is sleeved on the outer wall of the circumference of the transmission shaft.
As a still further scheme of the invention: the equal fixedly connected with rack plate in both sides of rhombus articulated frame top outer wall, the toothed disc meshes with rack plate mutually.
As a still further scheme of the invention: the position that the outer wall is close to the bottom all around of articulated frame of rhombus all fixedly connected with baffle.
As a still further scheme of the invention: the screen cloth bottom outer wall's intermediate position fixedly connected with a plurality of trapezoidal seats, all opened the rectangle mouth on the both sides outer wall of trapezoidal seat, the joint has first electro-magnet on the inner wall of rectangle mouth.
As a still further scheme of the invention: the equal a plurality of connecting rods of fixedly connected with in both sides that storage box top outer wall is close to the screen cloth, the cavity piece in the one end fixedly connected with L type of connecting rod.
As a still further scheme of the invention: the connecting spring is sleeved on the inner wall of the L-shaped hollow block, the two ends of the connecting spring are fixedly connected with cushion blocks, the outer wall of the cushion block close to the first electromagnet is fixedly connected with a second electromagnet, the top end of the other cushion block is in contact with the outer wall of the bottom of the screen, and the adjacent ends of the first electromagnet and the second electromagnet are in like-pole repulsion.
As a still further scheme of the invention: the position fixedly connected with second motor that one side inner wall of the articulated frame of rhombus is close to the bottom has a plurality of eager teeth pieces through the bolt fastening on the circumference outer wall of second motor output shaft, is equipped with reverse barb point on the outer wall of eager teeth piece.
The invention has the beneficial effects that:
1. by arranging the supporting rod, the telescopic rod, the first motor and the rack plate, the screening device is fixed in a diamond-shaped hinged mode, materials are accumulated on the surface of the screen to be screened, the first motor is started to drive the gear disc to rotate, the rack plate is further driven to rotate, the upper side and the lower side of the diamond-shaped hinged frame are enabled to translate by means of the instability of the parallelogram, and the materials can fall from the screen due to the shaking;
2. through setting up first electro-magnet and second electro-magnet, when first motor drives the screen cloth and carries out horizontal translation, make first electro-magnet follow the removal, like poles repel after first electro-magnet and the circular telegram of second electro-magnet, and first motor passes through the toothed disc and drives the rack board rotation process when irreversible, make the second electro-magnet bounce by the repulsion, withdraw to the cavity piece in the L type promptly, coupling spring drives the cushion and bounces, make the screen cloth by jack-up, thereby make one side of screen cloth lift up, the material is to a lateral tilt, the top material is no longer exerted pressure for stifled material of dying, thereby make things convenient for stifled material of dying to pop out by the mesh, thereby be convenient for going on of follow-up screening, when first electro-magnet removes to other end second electro-magnet department, repeat above-mentioned operation, and then make the screening that the material can be better, improve screening efficiency.
Drawings
FIG. 1 is a schematic cross-sectional structural view of an embodiment 1 of a material anti-clogging screening device for chemical production according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic partial perspective view of an embodiment 1 of a material anti-clogging screening device for chemical production according to the present invention;
fig. 4 is a schematic partial sectional structural view of a screening device for preventing blockage of materials for chemical production in accordance with embodiment 2 of the present invention.
In the figure: 1 storage box, 2 dead levers, 3 connecting rods, 4 diamond-shaped hinged frames, 5 baffles, 6 fixed plates, 7 first motors, 8 transmission shafts, 9 rack plates, 10 toothed discs, 11 expansion springs, 12 sets of wheels, 13 expansion rods, 14 supporting rods, 15 trapezoidal seats, 16 first electromagnets, 17 connecting springs, 18L-shaped hollow blocks, 19 cushion blocks, 20 second electromagnets, 21 second motors, 22 gear cutting sheets and 23 barbed tips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a sieving mechanism is prevented blockking up by material for chemical production, including storage box 1, equal fixedly connected with dead lever 2 on the both sides outer wall of storage box 1, fixedly connected with fixed plate 6 on the top outer wall of dead lever 2, fixedly connected with bracing piece 14 on one side outer wall of fixed plate 6, sliding sleeve 12 has been cup jointed on the circumference outer wall of bracing piece 14, the equal fixedly connected with telescopic link 13 in both ends of sleeve 12, telescopic spring 11 has all been cup jointed on the circumference outer wall of telescopic link 13, the same articulated frame 4 of rhombus of one end fixedly connected with of two telescopic link 13 extension rods, fixedly connected with screen cloth on the articulated frame 4 bottom outer wall of rhombus, the both sides that the outer wall of 6 one sides of fixed plate is close to the articulated frame 4 top outer walls of rhombus all are equipped with actuating mechanism.
In the invention, a driving mechanism comprises a first motor 7, one end of an output shaft of the first motor 7 is in key connection with a transmission shaft 8, a gear disc 10 is sleeved on the circumferential outer wall of the transmission shaft 8, rack plates 9 are fixedly connected to both sides of the top outer wall of a diamond-shaped hinged frame 4, the gear disc 10 is meshed with the rack plates 9, baffle plates 5 are fixedly connected to positions, close to the bottom, of the circumferential outer wall of the diamond-shaped hinged frame 4, a plurality of trapezoidal seats 15 are fixedly connected to the middle position of the outer wall of the bottom of a screen mesh, rectangular openings are formed in the outer walls of both sides of each trapezoidal seat 15, a first electromagnet 16 is clamped on the inner wall of each rectangular opening, a plurality of connecting rods 3 are fixedly connected to both sides, close to the screen mesh, of the top outer wall of a storage box 1, an L-shaped hollow block 18 is fixedly connected to one end of each connecting rod 3, a connecting spring 17 is sleeved on the inner wall of the L-shaped hollow block 18, and cushion blocks 19 are fixedly connected to both ends of the connecting springs 17, the outer wall of the cushion block 19 close to the first electromagnet 16 is fixedly connected with a second electromagnet 20, the top end of the other cushion block 19 is contacted with the outer wall of the bottom of the screen, and the adjacent ends of the first electromagnet 16 and the second electromagnet 20 are in the same polarity repulsion.
When the device is used, the device is externally connected with a power supply, then materials are poured onto the surface of a screen, then screening work is started, the first motor 7 is started to orderly rotate forward and backward to drive the gear disc 10 to rotate, further, the rack plate 9 is driven to rotate, the upper side and the lower side of the diamond hinged frame 4 are enabled to translate by means of the instability of the parallelogram, further, the materials are enabled to fall from the screen and fall into the storage box 1 by means of shaking caused by the fact that the materials move back and forth to penetrate through meshes of the screen, when screening is carried out, large materials fall down, small materials easily cause the meshes to be blocked when the small materials are on, materials above the small materials are continuously pressed, the blocked materials cannot be discharged, and accordingly the blocking phenomenon is caused, when the first motor 7 drives the screen to transversely translate, the first electromagnet 16 moves, the same poles repel each other after the first electromagnet 16 and the second electromagnet 20 are electrified, and the first motor 7 drives the rack plate 9 to rotate through the gear disc 10 and is irreversible, make second electro-magnet 20 receive the repulsion to bounce, withdraw to L type cavity piece 18 promptly, connecting spring 17 drives cushion 19 and bounces, make one side of screen cloth by jack-up, thereby make one side of screen cloth lift, the material inclines to the opposite side, the top material is no longer exerted pressure for stifled material of dying, thereby conveniently stifled material of dying pops out by the mesh, thereby be convenient for going on of follow-up screening, when first electro-magnet 16 removed the second electro-magnet 20 department to the other end, above-mentioned operation is repeated after changing the limit, and then make the screening that the material can be better.
Example 2
Referring to fig. 4, a sieving mechanism is prevented blockking up by material for chemical production, this embodiment compare in embodiment 1, and the position fixedly connected with second motor 21 of one side inner wall of the articulated frame 4 of rhombus near the bottom has a plurality of gear cutting pieces 22 through the bolt fastening on the circumference outer wall of second motor 21 output shaft, is equipped with reverse barb point 23 on the outer wall of gear cutting piece 22.
During the use, be equipped with second motor 21 on the one side inner wall of diamond-shaped hinged frame 4, it can carry out the breakage through gear cutting piece 22 and barb point 23 to the material after starting for the material becomes more fine and smooth, is convenient for pass the screen cloth mesh, increases the penetration rate of material.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a screening device is prevented blockking up by material for chemical production, includes storage box (1), all fixedly connected with dead lever (2) on the both sides outer wall of storage box (1), fixedly connected with fixed plate (6) on the top outer wall of dead lever (2), characterized in that, fixedly connected with bracing piece (14) on one side outer wall of fixed plate (6), slip on the circumference outer wall of bracing piece (14) and cup jointed sleeve wheel (12), the both ends of sleeve wheel (12) all fixedly connected with telescopic link (13), all cup jointed expanding spring (11) on the circumference outer wall of telescopic link (13), the one end fixedly connected with same rhombus hinge frame (4) of two telescopic link (13) extension rod, fixedly connected with screen cloth on the rhombus hinge frame (4) bottom outer wall, the both sides that fixed plate (6) one side outer wall is close to rhombus hinge frame (4) top outer wall all are equipped with actuating mechanism, the utility model discloses a screen cloth, including screen cloth bottom outer wall, storage box (1), storage box, connecting spring (17), the equal fixedly connected with cushion block (19) in both ends of connecting spring (17), be close to fixedly connected with second electro-magnet (20) on the outer wall of cushion (19) of first electro-magnet (16), the top of another cushion block (19) contacts with the screen cloth bottom outer wall, and the same polarity of the adjacent one end of first electro-magnet (16) and second electro-magnet (20) repels each other.
2. The anti-blocking screening device for the materials for chemical production according to claim 1, wherein the driving mechanism comprises a first motor (7), one end of an output shaft of the first motor (7) is connected with a transmission shaft (8) in a key mode, and a gear disc (10) is sleeved on the outer circumferential wall of the transmission shaft (8).
3. The anti-blocking screening device for the chemical production materials is characterized in that rack plates (9) are fixedly connected to two sides of the outer wall of the top of the diamond-shaped hinged frame (4), and the gear disc (10) is meshed with the rack plates (9).
4. The anti-blocking screening device for the materials for the chemical production according to claim 1, wherein baffle plates (5) are fixedly connected to the positions, close to the bottom, of the peripheral outer walls of the diamond-shaped hinged frames (4).
5. The screening device is prevented blockking up by material for chemical production according to claim 1, characterized in that a second motor (21) is fixedly connected to a position close to the bottom of one side inner wall of the rhombic hinge frame (4), a plurality of gear cutting pieces (22) are fixed on the circumferential outer wall of the output shaft of the second motor (21) through bolts, and reverse barb tips (23) are arranged on the outer wall of the gear cutting pieces (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126851.2A CN112337606B (en) | 2020-10-20 | 2020-10-20 | Screening device is prevented blockking up by material for chemical production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011126851.2A CN112337606B (en) | 2020-10-20 | 2020-10-20 | Screening device is prevented blockking up by material for chemical production |
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| Publication Number | Publication Date |
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| CN112337606A CN112337606A (en) | 2021-02-09 |
| CN112337606B true CN112337606B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011126851.2A Active CN112337606B (en) | 2020-10-20 | 2020-10-20 | Screening device is prevented blockking up by material for chemical production |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2762238A1 (en) * | 1997-04-22 | 1998-10-23 | Peter Szilvasi | Sieve panel |
| CN109264428A (en) * | 2018-09-10 | 2019-01-25 | 安徽常泰化工有限公司 | A kind of pesticide processing dusty raw materials throwing device |
| CN110898925A (en) * | 2019-12-03 | 2020-03-24 | 黄树赞 | Automatic grinding configuration device of conductive silver adhesive for LED production |
| CN211298383U (en) * | 2018-04-12 | 2020-08-21 | 吴文亩 | Agricultural is bred and uses feed mixing reducing mechanism |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060219608A1 (en) * | 2003-02-04 | 2006-10-05 | Eric Scott | Connected screens for vibratory separators |
| CN203136544U (en) * | 2013-03-15 | 2013-08-21 | 江苏大学 | Combine-harvester grain loss monitoring sensor performance calibration test bench |
| US20170274421A1 (en) * | 2016-03-23 | 2017-09-28 | Norvell Company, Inc. | Cleaner for a plansifter sieve |
| CN107159551A (en) * | 2017-05-13 | 2017-09-15 | 长沙联博科技咨询有限公司 | The composite screen and its screening machine of a kind of rhombus track motion |
| CN107999385A (en) * | 2017-12-26 | 2018-05-08 | 郑州默尔电子信息技术有限公司 | A kind of multidirectional translational formula Concrete sandstone screening plant |
| CN108435317A (en) * | 2018-03-09 | 2018-08-24 | 丁继来 | A kind of abrasive disk type plastic needle tubing medical waste efficient pulverizing device |
| CN208321315U (en) * | 2018-05-03 | 2019-01-04 | 王跃进 | A kind of tea screening device |
| CN209832301U (en) * | 2019-04-26 | 2019-12-24 | 青岛宏信塑胶造粒有限公司 | Screening device for medium-density polyethylene sheath material |
| CN111495756A (en) * | 2020-04-30 | 2020-08-07 | 张高峰 | Screening sand device for construction |
-
2020
- 2020-10-20 CN CN202011126851.2A patent/CN112337606B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2762238A1 (en) * | 1997-04-22 | 1998-10-23 | Peter Szilvasi | Sieve panel |
| CN211298383U (en) * | 2018-04-12 | 2020-08-21 | 吴文亩 | Agricultural is bred and uses feed mixing reducing mechanism |
| CN109264428A (en) * | 2018-09-10 | 2019-01-25 | 安徽常泰化工有限公司 | A kind of pesticide processing dusty raw materials throwing device |
| CN110898925A (en) * | 2019-12-03 | 2020-03-24 | 黄树赞 | Automatic grinding configuration device of conductive silver adhesive for LED production |
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| Publication number | Publication date |
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| CN112337606A (en) | 2021-02-09 |
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Effective date of registration: 20211129 Address after: 257000 Dadao new material industrial park, Guangrao County, Dongying City, Shandong Province Applicant after: CHINA CATALYST HUABANG (DONGYING) Co.,Ltd. Address before: 300350 College of chemical engineering, Tianjin University, 135 Yaguan Road, Haihe Education Park, Nankai District, Tianjin Applicant before: Feng Yanjie |
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