CN2737472Y - Secondary exciting vibrating screen - Google Patents
Secondary exciting vibrating screen Download PDFInfo
- Publication number
- CN2737472Y CN2737472Y CN 200420009344 CN200420009344U CN2737472Y CN 2737472 Y CN2737472 Y CN 2737472Y CN 200420009344 CN200420009344 CN 200420009344 CN 200420009344 U CN200420009344 U CN 200420009344U CN 2737472 Y CN2737472 Y CN 2737472Y
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- exciting
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- center
- excited
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Abstract
The utility model relates to a secondary exciting vibrating screen which belongs to the technical field of an industrial processing device. The utility model comprises a peripheral screen frame and a supporting frame arranged at the inner lower side of the screen frame, wherein, the middle part of the supporting frame is provided with three self-excited vibrators a, b and c, the upper part of the self-excited vibrator b positioned in the center is connected with a center vibrating ring through screw nails, the center vibrating ring is arranged at the periphery of the self-excited vibrator b, the upper part of each of the self-excited vibrators a and c positioned at both sides is respectively connected with an outer vibrating ring through screw nails, and the outer vibrating rings are arranged at the periphery of the self-excited vibrators a and c; the lower part of each of the three self-excited vibrators a, b and c is respectively fixed on each of three square flanges arranged on the supporting frame; cambered curved arms arranged at both ends of the curved arm supporting frame are connected with mounting holes on a net frame of the screen frame; the upper part of the screen frame is provided with a screen net plane surface. The utility model increases the efficiency of screen separation, and has the advantages of no new energy increasing, simple structure, convenient maintenance and use, high performance-price ratio, etc.
Description
Technical field
The utility model belongs to the industrial processing equipment field, specially refers to a kind of secondary exciting vibratory sieve that is used for the powder body material production process.
Background technology
Screening is the important step in the powder body material manufacturing process, the screening plant kind is numerous, common have detailed catalogue screening, fine screen branch, hot screening, Gao Jutuan and the screening of hygroscopicity powder, macromolecule high surface powder sieve, they can both form difficult screening powder, but effect is very low, and the every day that has, a machine-team was 10 kilograms under production, and general powder is because the conventional screen subset, the acceleration that powder is accepted only is 2-3g, and efficient is extremely low.Other do not satisfy effectiveness of classification as airflow screening, there is the network blocking phenomenon again in the negative pressure of vacuum screening, ultrasonic screening can't be worked again smoothly for the extremely low powder body material of the velocity of sound, inefficiency is that material sieving technology has pressing issues to be solved, at these situations that needs to be resolved hurrily, the experience of the long-pending ultrasonic molecular sieve of exploitation that goes in for the study for many years of our company is utilized secondary exciting vibration principle, develops a kind ofly can improve screening efficiency and wide adaptability, a kind of secondary exciting vibratory sieve simple in structure.
Summary of the invention
The utility model technical issues that need to address are, exist efficient too low at all kinds of common screening plant in the prior art, complex structure, many weak points such as cost of investment height, in order to overcome these deficiencies, need a kind of raising the efficiency of redesign, simple in structure, the screening plant that cost performance is high, the purpose of this utility model is to provide a kind of secondary exciting vibratory sieve, this purpose realizes by the following technical solutions, a kind of secondary exciting vibratory sieve, the screen frame that comprises outer rim, the support of below in the screen frame, it is characterized in that, the middle part of support is provided with three self-excited oscillator a, b, c, the top of self-excited oscillator b in the middle of being positioned at is connected the self-excited oscillator a of dual-side with its peripheral center exciting ring, the top of c is connected with its peripheral exciting outer shroud respectively; The bottom of three self-excited oscillator a, b, c is separately fixed on three square flanges that place on the support; The curved boom of described support two ends links to each other with installing hole on the screen frame rack; Center exciting ring is connected with screen cloth with the top of exciting outer shroud.
Described three self-excited oscillator a, b, c, they comprise the pedestal, the vibrating shaft at middle part, the pedestal that are positioned at the bottom respectively and are provided with the metallic elastic component that compresses and pressure ring, the gland on top thereof; The center is lined with sealing gasket in the middle of being provided with T type nut with holes and locknut.
The center of the set locknut in self-excited oscillator center has one to connect the screw that the exciting ring is used.
Be mounted to the state of suppressing between described center exciting ring, exciting outer shroud and screen cloth.
Described exciting outer shroud is at least one, also can adopt a plurality of, all have on each outer shroud the symmetry self-excited oscillator be connected with it.
Support shape and structure to be satisfying rigidity and intensity designs, and transmits vibration kinetic energy and improve inherent circular frequency as far as possible guaranteeing, the low-limit frequency of this secondary exciting vibratory sieve on screen cloth is 600HZ, and minimum amplitude is 1 millimeter.
The shape of described exciting ring can also be selected ellipse, rectangle, triangle, arc, square except that circle, with the needs of the screen(ing) machine that adapts to different types, this secondary exciting vibratory sieve all can renovation and utilization on all the old and new's equipment.
The beneficial effects of the utility model are, have improved the efficient of screening, and having does not increase new forms of energy, simple in structure, use easy to maintenance, the cost performance advantages of higher.
Description of drawings
Fig. 1 is a secondary exciting vibration exciting device of vibrating screen structural representation
Fig. 2 is the vertical view of last figure
The self-excited oscillator structural representation of Fig. 3 for being provided with on the support
The specific embodiment
With reference to Fig. 1, Fig. 2, the structural representation of expression secondary exciting vibration exciting device of vibrating screen, the outer rim tubular is a screen frame 1 among the figure, its inside is provided with support 2, its centre is provided with three self-excited oscillators 3, promptly mark has three of a, b, c, the top of b is a center exciting ring 4, both sides b, c top is an exciting outer shroud 5, three self-excited oscillators below respectively is provided with square flange 2.1, and the two ends of support 2 are the arc curved boom, and it links to each other with screen cloth installing hole 2.2 on the screen frame rack, support top is a screen cloth 6, and it and exciting center ring and outer shroud are installed into the state of suppressing.
With reference to Fig. 3, expression self-excited oscillator structural representation, the pedestal of self-excited oscillator 3 is 3.1 among the figure, be provided with vibrating shaft 3.2 in the pedestal, in the present embodiment, the compacted metallic elastic component that the vibrating shaft top is provided with is an exciting reed 3.3, and pressure ring 3.4 and gland 3.5 are arranged at its top, and the center is provided with T-nut with holes 3.6, sealing gasket 3.7 and locknut 3.8.
Claims (7)
1, a kind of secondary exciting vibratory sieve, comprise the screen frame of outer rim, the support of the interior below of screen frame, it is characterized in that, the middle part of support is provided with three self-excited oscillator a, b, c, the top of self-excited oscillator b in the middle of being positioned at is connected with its peripheral center exciting ring, and the top of self-excited oscillator a, the c of dual-side is connected with its peripheral exciting outer shroud respectively; The bottom of three self-excited oscillator a, b, c is separately fixed on three square flanges that place on the support; The curved boom of described support two ends links to each other with installing hole on the screen frame rack; Center exciting ring is connected with screen cloth with the top of exciting outer shroud.
2, vibratory sieve according to claim 1 is characterized in that, described three self-excited oscillator a, b, c, and they comprise the metallic elastic component that compresses on the vibrating shaft, pedestal at the pedestal, the middle part that are positioned at the bottom and pressure ring, the gland on top thereof respectively; The center of described self-excited oscillator is provided with T type nut with holes and locknut, and the centre is lined with sealing gasket.
3, vibratory sieve according to claim 1 is characterized in that, the center of the set locknut in self-excited oscillator center has one to connect the screw that the exciting ring is used.
4, vibratory sieve according to claim 1 is characterized in that, is mounted to the state of suppressing between described center exciting ring, exciting outer shroud and screen cloth.
5, vibratory sieve according to claim 1 is characterized in that, described exciting outer shroud is at least one, also can adopt a plurality of, all have on each outer shroud the symmetry self-excited oscillator be connected with it.
6, vibratory sieve according to claim 1 is characterized in that, the low-limit frequency on the screen cloth is 600HZ, and minimum amplitude is 1 millimeter.
7, vibratory sieve according to claim 1 is characterized in that, the shape of described exciting ring can also be selected ellipse, rectangle, triangle, arc, square except that circle, with the needs of the screen(ing) machine that adapts to different types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009344 CN2737472Y (en) | 2004-09-23 | 2004-09-23 | Secondary exciting vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009344 CN2737472Y (en) | 2004-09-23 | 2004-09-23 | Secondary exciting vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2737472Y true CN2737472Y (en) | 2005-11-02 |
Family
ID=35347387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420009344 Expired - Fee Related CN2737472Y (en) | 2004-09-23 | 2004-09-23 | Secondary exciting vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2737472Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639115A (en) * | 2013-11-28 | 2014-03-19 | 海安县联源机械制造有限公司 | Self-excited screen mesh cleaning device |
| CN110469279A (en) * | 2019-09-16 | 2019-11-19 | 中国海洋石油集团有限公司 | A kind of solid-liquid separating machine |
-
2004
- 2004-09-23 CN CN 200420009344 patent/CN2737472Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639115A (en) * | 2013-11-28 | 2014-03-19 | 海安县联源机械制造有限公司 | Self-excited screen mesh cleaning device |
| CN103639115B (en) * | 2013-11-28 | 2016-01-20 | 海安县联源机械制造有限公司 | Auto-excitation type screen cleaning device |
| CN110469279A (en) * | 2019-09-16 | 2019-11-19 | 中国海洋石油集团有限公司 | A kind of solid-liquid separating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |