CN106927223B - Simple powder quantitative feeder - Google Patents
Simple powder quantitative feeder Download PDFInfo
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- CN106927223B CN106927223B CN201710136873.9A CN201710136873A CN106927223B CN 106927223 B CN106927223 B CN 106927223B CN 201710136873 A CN201710136873 A CN 201710136873A CN 106927223 B CN106927223 B CN 106927223B
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- China
- Prior art keywords
- main shaft
- cleaning device
- valve core
- end cover
- brush
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/18—Cleaning devices comprising brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to the technical field of powder feeding devices, in particular to a simple powder quantitative feeder which is provided with a valve body, wherein the valve body comprises a feed inlet, a valve chamber and a discharge outlet, a first end cover and a second end cover are respectively fixed on two sides of the valve body, a main shaft valve core is rotatably supported on the first end cover and the second end cover, the cross section of a working section of the main shaft valve core in a valve chamber is in a regular prism shape, a transition arc section is arranged between each edge, each transition arc section is attached to a micro gap on the inner wall of the valve chamber, a material containing cavity is formed between each edge and the inner wall of the valve chamber, and a material cleaning device and a cleaning device are arranged at the discharge outlet and are used for cleaning powder attached to each edge surface of the working section of the main shaft valve core when the main shaft valve core rotates. The feeder has the advantages of simple structure and accurate quantification, can clean up powder attached to the wall of the material containing cavity and the main shaft valve core, and is not easy to damage the surface of the main shaft valve core.
Description
Technical Field
The invention relates to the technical field of powder feeding devices, in particular to a simple powder quantitative feeder.
Background
At present, most powder charging devices in the market use volume to quantitatively measure powder and tiny particles and enable the powder to flow by means of gravity, mainly comprise a rotary valve, a rotary feeder, a screw pump and the like, and are widely applied to powder charging due to the fact that the powder charging device is simple in structure, small in external dimension and has a quantitative charging function, but the powder charging device has the defect that the powder charging device is difficult to overcome, the wall of a material containing cavity is attached with powder, so that the volume of the material containing cavity can be changed, quantitative calculation is inaccurate, the material containing cavity can be blocked, finally the powder charging device cannot discharge, therefore, the material containing cavity needs to be cleaned frequently, the material containing cavity is difficult to clean, the use of the powder charging device is limited, and the powder charging device is especially not suitable for working occasions with steam, high humidity and easy moisture absorption and adhesion of the powder.
In the existing powder feeding device, a rotating scraper is adopted to sweep the impeller or the main shaft valve core, but the scraper is difficult to sweep uniformly on the surface of the uneven impeller or the main shaft valve core, so that the scraping is not thorough, and the powder quantification is inaccurate; powder adhesion is easy to occur on the scraping plate, so that new powder quantitative inaccuracy factors are generated. Furthermore, the adoption of the rotary scraping plate can complicate the structure of the powder feeding device and has high manufacturing cost; in addition, the scraping plate also easily scrapes the surface of the impeller or the main shaft valve core, and the service life of the powder feeding device is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the defects in the prior art, the simple powder quantitative feeder is simple in structure and accurate in quantitative, powder attached to the wall of the material containing cavity and the main shaft valve core can be cleaned up, and the surface of the main shaft valve core is not easy to damage.
The technical scheme adopted for solving the technical problems is as follows: the simple powder quantitative feeder comprises a valve body, wherein the valve body comprises a feed inlet, a valve chamber and a discharge outlet, a first end cover and a second end cover are respectively fixed on two sides of the valve body, a main shaft valve core is rotatably supported on the first end cover and the second end cover, the cross section of a working section of the main shaft valve core in a valve chamber is in a regular prism shape, a transition arc section is arranged between each edge, each transition arc section is attached to a fine gap of the inner wall of the valve chamber, a material containing cavity is formed between each edge and the inner wall of the valve chamber, a material cleaning device and a cleaning device are arranged at the discharge outlet, and when the main shaft valve core rotates, the material cleaning device and the cleaning device clean powder attached to each edge surface of the working section of the main shaft valve core;
the material cleaning device comprises a supporting seat, a spring, a movable seat and a tensioning wire, one end of the spring is arranged on the supporting seat, the other end of the spring is propped against the movable seat, the movable seat is in sliding fit with the supporting seat, the tensioning wire is arranged at the top of the movable seat, the length dimension of the tensioning wire is larger than or equal to that of an edge, and when the main shaft valve core rotates, the tensioning wire is contacted with each edge surface of the working section of the main shaft valve core and slides over each edge surface;
the cleaning device comprises a brush seat and brush wires, the brush wires are arranged on the brush seat, the length dimension of the brush wires is larger than or equal to that of the edges, and when the main shaft valve core rotates, the brush wires are contacted with each edge surface of the working section of the main shaft valve core and sweep on each edge surface;
the first end cover on be connected with first mounting panel, the second end cover on be connected with the second mounting panel, first mounting panel on install first fixed axle, the second mounting panel on install the second fixed axle, the supporting seat can install on the second fixed axle with axial adjustment, the brush holder can install on first fixed axle with axial adjustment.
Further specifically, in the above technical scheme, the tensioning wire of the material cleaning device and the brush wire of the cleaning device are symmetrically arranged at the discharge port and both extend into the discharge port.
Further specifically, in the above technical scheme, remove and have two tight silk installation poles that rise on the seat, the top of every tight silk installation pole that rises all is equipped with the tight silk mounting groove that rises, the both ends of the tight silk that rises fix respectively in two tight silk mounting grooves that rise, the bottom of removing the seat is equipped with the spring installation chamber, the upper end of spring stretch into in the spring installation chamber.
More specifically, in the above technical scheme, the tensioning wires of the material cleaning device and the brush wires of the cleaning device are nylon wires.
The beneficial effects of the invention are as follows: the simple powder quantitative feeder has the following advantages:
1. when the main shaft valve core rotates, the tension wire of the material cleaning device and the brush wire of the cleaning device can flexibly contact each edge surface of the working section of the main shaft valve core, the tension wire of the material cleaning device can scrape most of powder attached to each edge surface of the working section of the main shaft valve core in real time, and the brush wire of the cleaning device can sweep residual powder attached to each edge surface of the working section of the main shaft valve core, so that the material containing cavity is always kept in a clean state, and further the quantitative accuracy of the feeder is realized, and the material cleaning device is suitable for working occasions in various environments;
2. meanwhile, the tensioning wires of the material cleaning device and the brush wires of the cleaning device are not easy to generate powder adhesion, so that the quantitative accuracy and reliability of the feeder are further realized;
3. in addition, the tensioning wire of the material cleaning device and the brush wire of the cleaning device are simple in structure and low in cost, the tensioning wire of the material cleaning device and the brush wire of the cleaning device hardly scrape the surface of the main shaft valve core, and the service life of the feeder is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view at A-A in FIG. 1;
FIG. 3 is a cross-sectional view at B-B in FIG. 2;
FIG. 4 is a front view of the mobile station;
FIG. 5 is a side view of FIG. 4;
fig. 6 is a partial enlarged view at C in fig. 5.
The reference numerals in the figures are: 1. a valve body; 1-1, a feed inlet; 1-2, valve chamber; 1-3, a discharge hole; 2. a first end cap; 3. a second end cap; 4. a spindle spool; 4-1, edges; 4-2, a transitional arc section; 5. a first mounting plate; 5-1, a first fixed shaft; 6. a second mounting plate; 6-1, a second fixed shaft; 7. a material cleaning device; 7-1, a supporting seat; 7-2, a spring; 7-3, a movable seat; 7-3-1, installing a rod by a tension wire; 7-3-2, spring mounting cavities; 7-3-3, a tension wire mounting groove; 7-4, tensioning the wire; 8. a cleaning device; 8-1, brushing a seat; 8-2, brushing wires; 9. a bearing; 10. a material containing cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a simple powder quantitative feeder is provided with a valve body 1, wherein the valve body 1 comprises a feed inlet 1-1, a valve chamber 1-2 and a discharge outlet 1-3, a first end cover 2 and a second end cover 3 are respectively fixed on two sides of the valve body 1, a main shaft valve core 4 is rotatably supported on the first end cover 2 and the second end cover 3 through a pair of bearings 9, the cross section of a working section of the main shaft valve core 4 in the valve chamber 1-2 of the valve body 1 is in a regular prism shape, a transition circular arc section 4-2 is arranged between each edge 4-1, each transition circular arc section 4-2 is attached to the inner wall of the valve chamber 1-2 in a fine clearance manner, a material containing cavity 10 is formed between each edge 4-1 and the inner wall of the valve chamber 1-2 of the valve body 1, a material clearing device 7 and a cleaning device 8 are arranged at the position of the discharge outlet 1-3 of the valve body 1, and when the main shaft valve core 4 rotates, the material clearing device 7 and the cleaning device 8 are used for clearing powder attached to each edge surface of the working section of the main shaft valve core 4, and each material containing cavity 10 is sequentially communicated with the corresponding material containing cavity 1-3 in the valve body 1-3 in the process of rotation of the main shaft valve core 4.
Referring to fig. 2 and 3, the material cleaning device 7 comprises a supporting seat 7-1, a spring 7-2, a movable seat 7-3 and a tensioning wire 7-4, one end of the spring 7-2 is installed on the supporting seat 7-1, the other end of the spring is propped against the movable seat 7-3, the movable seat 7-3 is in sliding fit with the supporting seat 7-1, the tensioning wire 7-4 is installed at the top of the movable seat 7-3, the length dimension of the tensioning wire 7-4 is greater than or equal to the length dimension of the edge 4-1, and when the main shaft valve core 4 rotates, the tensioning wire 7-4 contacts with and slides over each edge face of the working section of the main shaft valve core 4.
Referring to fig. 3, the cleaning device 8 includes a brush holder 8-1 and brush filaments 8-2, the brush filaments 8-2 are mounted on the brush holder 8-1, the length dimension of the brush filaments 8-2 is greater than or equal to the length dimension of the edge 4-1, and when the spindle valve core 4 rotates, the brush filaments 8-2 are contacted with and sweep over the respective edges of the working section of the spindle valve core 4.
Referring to fig. 2 and 3, the first end cover 2 is connected with a first mounting plate 5, the second end cover 3 is connected with a second mounting plate 6, the first mounting plate 5 is provided with a first fixed shaft 5-1, the second mounting plate 6 is provided with a second fixed shaft 6-1, the supporting seat 7-1 is axially adjustably mounted on the second fixed shaft 6-1, and the brush seat 8-1 is axially adjustably mounted on the first fixed shaft 5-1.
Referring to fig. 4, 5 and 6, two tension wire mounting rods 7-3-1 are arranged on the movable seat 7-3, tension wire mounting grooves 7-3-3 are formed in the top of each tension wire mounting rod 7-3-1, two ends of each tension wire 7-4 are respectively fixed in the two tension wire mounting grooves 7-3-3, two spring mounting cavities 7-3-2 are symmetrically formed in the bottom of the movable seat 7-3, the number of the springs 7-2 is two, and the upper end of each spring 7-2 extends into the corresponding spring mounting cavity 7-3-2.
Referring to fig. 3, the tensioning wire 7-4 of the material cleaning device 7 and the brush wire 8-2 of the cleaning device 8 are symmetrically arranged at the discharge port 1-3 of the valve body 1 and both extend into the discharge port 1-3 of the valve body 1. The tensioning wires 7-4 of the material cleaning device 7 and the brush wires 8-2 of the cleaning device 8 are both nylon wires. When the main shaft valve core 4 rotates, the tension wire 7-4 of the material cleaning device 7 and the brush wire 8-2 of the cleaning device 8 can flexibly contact each edge surface of the working section of the main shaft valve core 4, the tension wire 7-4 of the material cleaning device 7 can scrape most of powder attached to each edge surface of the working section of the main shaft valve core 4 in real time, and the brush wire 8-2 of the cleaning device 8 can sweep residual powder attached to each edge surface of the working section of the main shaft valve core 4, so that the material containing cavity 10 always keeps a clean state, and further the quantitative accuracy of the feeder is realized; meanwhile, the tensioning wires 7-4 of the material cleaning device 7 and the brush wires 8-2 of the cleaning device 8 are not easy to generate powder adhesion, so that the quantitative accuracy and reliability of the feeder are further realized; in addition, the tensioning wire 7-4 of the material cleaning device 7 and the brush wire 8-2 of the cleaning device 8 are simple in structure and low in cost, the tensioning wire 7-4 of the material cleaning device 7 and the brush wire 8-2 of the cleaning device 8 almost have no scraping damage to the surface of the main shaft valve core 4, and the service life of the feeder is guaranteed.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. A simple powder quantitative feeder is characterized in that: the main shaft valve comprises a valve body (1), wherein the valve body (1) comprises a feed inlet (1-1), a valve chamber (1-2) and a discharge outlet (1-3), a first end cover (2) and a second end cover (3) are respectively fixed at two sides of the valve body (1), a main shaft valve core (4) is rotatably supported on the first end cover (2) and the second end cover (3), the cross section of a working section of the main shaft valve core (4) in the valve chamber (1-2) is in a regular prism shape, a transition circular arc section (4-2) is arranged between each edge (4-1), each transition circular arc section (4-2) is attached to a fine gap of the inner wall of the valve chamber (1-2), a material containing cavity (10) is formed between each edge (4-1) and the inner wall of the valve chamber (1-2), and a material cleaning device (7) and a cleaning device (8) are arranged at the position of the discharge outlet (1-3), and when the main shaft valve core (4) rotates, the cleaning device (7) and the cleaning device (8) are used for cleaning powder attached to each working section of the main shaft valve core (4);
the material cleaning device (7) comprises a supporting seat (7-1), a spring (7-2), a movable seat (7-3) and a tensioning wire (7-4), one end of the spring (7-2) is arranged on the supporting seat (7-1), the other end of the spring is propped against the movable seat (7-3), the movable seat (7-3) is in sliding fit with the supporting seat (7-1), the tensioning wire (7-4) is arranged at the top of the movable seat (7-3), the length dimension of the tensioning wire (7-4) is larger than or equal to the length dimension of an edge (4-1), and when the main shaft valve element (4) rotates, the tensioning wire (7-4) contacts with each edge surface of a working section of the main shaft valve element (4) and slides over each edge surface;
the cleaning device (8) comprises a brush seat (8-1) and brush wires (8-2), wherein the brush wires (8-2) are arranged on the brush seat (8-1), the length dimension of the brush wires (8-2) is larger than or equal to the length dimension of the edges (4-1), and when the main shaft valve core (4) rotates, the brush wires (8-2) are contacted with each edge surface of the working section of the main shaft valve core (4) and sweep on each edge surface;
the first end cover (2) is connected with a first mounting plate (5), the second end cover (3) is connected with a second mounting plate (6), the first mounting plate (5) is provided with a first fixed shaft (5-1), the second mounting plate (6) is provided with a second fixed shaft (6-1), the supporting seat (7-1) is axially adjustably arranged on the second fixed shaft (6-1), and the brush seat (8-1) is axially adjustably arranged on the first fixed shaft (5-1);
the tensioning wires (7-4) of the material cleaning device (7) and the brush wires (8-2) of the cleaning device (8) are symmetrically arranged at the discharge port (1-3) and extend into the discharge port (1-3);
the movable seat (7-3) is provided with two tension wire mounting rods (7-3-1), the top of each tension wire mounting rod (7-3-1) is provided with a tension wire mounting groove (7-3-3), two ends of each tension wire (7-4) are respectively fixed in the two tension wire mounting grooves (7-3-3), the bottom of the movable seat (7-3) is provided with a spring mounting cavity (7-3-2), and the upper end of each spring (7-2) extends into the corresponding spring mounting cavity (7-3-2).
2. The simplified powder doser as claimed in claim 1, wherein: the tensioning wires (7-4) of the material cleaning device (7) and the brush wires (8-2) of the cleaning device (8) are nylon wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136873.9A CN106927223B (en) | 2017-03-09 | 2017-03-09 | Simple powder quantitative feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136873.9A CN106927223B (en) | 2017-03-09 | 2017-03-09 | Simple powder quantitative feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106927223A CN106927223A (en) | 2017-07-07 |
| CN106927223B true CN106927223B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710136873.9A Active CN106927223B (en) | 2017-03-09 | 2017-03-09 | Simple powder quantitative feeder |
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| Country | Link |
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| CN (1) | CN106927223B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108396627A (en) * | 2018-03-19 | 2018-08-14 | 钱幼华 | A kind of constructing device of traffic route maintenance preheating cleaning |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206679A (en) * | 1997-07-25 | 1999-02-03 | 斯科皮奥输送机产品(私人)有限公司 | Conveyor scraper and mounting of scraper bland |
| CN2576678Y (en) * | 2002-10-31 | 2003-10-01 | 江都市显业集团有限公司 | Cleaning device of rubber coated draper |
| CN201381110Y (en) * | 2008-11-28 | 2010-01-13 | 天津钢铁有限公司 | Roller scraping device for belt-type conveyer |
| CN103407745B (en) * | 2013-09-02 | 2015-12-23 | 四川方大新型建材科技开发有限责任公司 | Containing wet feed material lock wind feeder |
| CN205662029U (en) * | 2016-03-08 | 2016-10-26 | 山东科技大学 | Novel clear coal of mining belt feeder cylinder device |
| CN206750853U (en) * | 2017-03-09 | 2017-12-15 | 常州轻工职业技术学院 | A kind of simple type powder dosing unit |
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2017
- 2017-03-09 CN CN201710136873.9A patent/CN106927223B/en active Active
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| CN106927223A (en) | 2017-07-07 |
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Address after: 213164 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Applicant after: Changzhou Polytechnic Address before: 213164 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Applicant before: Changzhou Institute of Industry Technology |
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