CN203764532U - Vibrating screen - Google Patents
Vibrating screen Download PDFInfo
- Publication number
- CN203764532U CN203764532U CN201420075703.6U CN201420075703U CN203764532U CN 203764532 U CN203764532 U CN 203764532U CN 201420075703 U CN201420075703 U CN 201420075703U CN 203764532 U CN203764532 U CN 203764532U
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- CN
- China
- Prior art keywords
- screen frame
- vibratory sieve
- screening
- wedge block
- supporting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a vibrating screen and relates to the field of mining screening mechanical technology. The vibrating screen comprises a screening frame, a screening mesh arranged inside the screening frame, springs used for supporting the screening frame, supporting seats used to connect the screening frame and the springs and a vibration exciting device that provides the screening frame with a vibration source, wherein the screening frame is arranged obliquely, and the springs are arranged on a lifting regulating device; fixing shafts are arranged at the part of the screening frame, connected with the supporting seats; the fixing shafts are fixed with the supporting seats through locking devices. According to the utility model, compared with the prior art, an inclining angle adjusting device is added, and the angle of the screening frame can be adjusted timely and flexibly based on the industrial and mining using condition, so that the optimal screening effect can be realized and the screening efficiency can be increased; in addition, the inclining angle adjusting device is flexible and convenient and is suitable for various working conditions.
Description
Technical field
The utility model relates to mining sieving machine technical field, especially a kind of vibratory sieve that sieves finished ore.
Background technology
In mineral processing circuit, generally will experience the process of ball mill crushing and screening, and vibration screen for mineral is as dressing sieve subset, the effect of screening is directly connected to the recovery index of final ore dressing.Along with the development of modern ore dressing cause, vibratory sieve also develops into the round sieve that shakes by original linear vibrating screen.Ore will sieve in a large number after ball milling and rod milling.Therefore the sieving capacity of vibratory sieve more and more plays important effect in Mineral Processing Industry.Circular shale shaker is a kind of Novel screen subset, and the oscillation trajectory of vibratory sieve is circle, aims at the design of Mineral Processing Industry screening work stone, also can do grading for departments such as coal separation, quarrying, building materials, electric power and chemical industry.This type of vibratory sieve comprises base, screen frame, support spring, eccentric shaft and vibrating motor, screen frame is supported and is fixed on base top by support spring, the output of vibrating motor is connected with screen frame by eccentric shaft, and the eccentric vibrating that eccentric shaft produces under vibrating motor drives is as exciting source.There is following deficiency in the technical scheme of this vibratory sieve: screen frame is fixed, and when work, can not adjust arbitrarily screen frame inclination angle to reach best screening effect according to need of production, and screening efficiency is not high.
Utility model content
The purpose of this utility model is to provide a kind of vibratory sieve, and the screen frame inclination angle that this vibratory sieve can solve existing existence can not regulate and the not high problem of screening efficiency.
In order to address the above problem, the technical solution adopted in the utility model is: this vibratory sieve comprises screen frame, be arranged at screen cloth in screen frame, support described screen frame spring, connect the supporting seat of described screen frame and described spring and provide the exciting device of vibration source for described screen frame, described screen frame is obliquely installed, described spring is arranged on elevation and subsidence regulating device, on described screen frame, be provided with fixed axis with the junction of described supporting seat, described fixed axis and described supporting seat are rotationally connected, and described fixed axis fixes by locking device and described supporting seat.
In the technical scheme of above-mentioned vibratory sieve, technical scheme can also be more specifically: described elevation and subsidence regulating device comprises the upper voussoir, lower wedge block and the holder that set gradually from top to bottom, the inclined-plane of described upper voussoir and the inclined-plane of described lower wedge block are slidably matched, described upper voussoir is fixedly connected with described holder by fastening bolt with described lower wedge block, and described lower wedge block offers the elongated slot through hole through described fastening bolt.
Further, described holder has two spacing risers, on every described spacing riser, is connected with respectively the adjustment screw rod connecting with described upper voussoir, lower wedge block, and described adjustment screw rod is connected with locknut.
Further, described locking device comprises two locking fixture blocks of fixed axis described in banding, and described two locking fixture blocks are one-body molded with described supporting seat, locks fixture blocks and is fixedly connected with by screw bolt and nut for described two.
Further, the surface spraying of described screen frame has SPUA.
Further, described exciting device is directly to drive the vibrative vibrating motor of described screen frame, and described vibrating motor is arranged on motor mount, and described motor mount is located at the upper end of described screen frame.
Further, on described motor mount, be provided with the protective cover for covering described vibrating motor.
Further, be provided with two-layer screen cloth in described screen frame, the mesh of lower screen is less than the mesh of upper strata screen cloth.
Owing to having adopted technique scheme, the utility model compared with prior art has following beneficial effect:
1, increase inclination-angle regulating device, adjust neatly in time screen frame angle according to industrial and mineral service condition, realize best screening effect, improve screening efficiency; Fixed axis and supporting seat are rotationally connected, and the screen frame while being convenient to adjustable inclination rotates.
2, the inclination-angle regulating device being made up of upper and lower voussoir and holder simple in structure, flexible adjustment, convenience, applicable to various operating modes.
3, screen frame surface spraying SPUA, has increased the anti-wear performance of screen frame, and the vibratory sieve life-span is improved twice, reduces operating cost 30%.
4, use vibrating motor to substitute eccentric shaft vibration and produce concussion as vibration source, service life of vibrating motor is long, can extension device running time, if break down, can change quickly and easily vibrating motor, shorten maintenance time, minimizing maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of this vibratory sieve.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail:
Vibratory sieve shown in Fig. 1 mainly comprises base 1, screen frame 2, sieve plate 7, screen cloth, spring 13, supporting seat 12, vibrating motor 5, inclination-angle regulating device and locking device, screen frame 2 is supported in base 1 top by two groups of front and back spring 13, every group of spring 13 comprises the rubber vibration isolation spring that is symmetricly set in screen frame 2 both sides, the lower end of each spring 13 is arranged on elevation and subsidence regulating device, elevation and subsidence regulating device near screen frame 2 front ends is directly positioned on base 1, between the elevation and subsidence regulating device of close screen frame 2 rear ends and base 2, be provided with cushion block 17, so that the inclined setting of screen frame 2, elevation and subsidence regulating device comprises the upper voussoir 14, lower wedge block 16 and the holder 18 that set gradually from top to bottom, the inclined-plane of the inclined-plane of upper voussoir 14 and lower wedge block 16 is slidably matched, upper voussoir 14 is fixedly connected with holder 18 by fastening bolt 15 with lower wedge block 16, lower wedge block 16 offers the elongated slot through hole 16-1 through fastening bolt 15, the length direction of elongated slot through hole 16-1 is along the glide direction setting of lower wedge block 16, on upper voussoir 14 and supporting seat 12, be relatively set with limited post, the two ends of spring 13 are socketed on respectively on corresponding limited post, for the ease of regulating the relative position between upper voussoir 14 and lower wedge block 16, be provided with two spacing riser 18-1 at the two ends of holder 18, on every spacing riser 18-1, be connected with respectively the adjustment screw rod 19 connecting with the side end face of upper voussoir 14, lower wedge block 16, adjust screw rod 19 and be connected with locknut 20, the upper end of each spring 13 is connected with screen frame 2 by supporting seat 12, is provided with the double fixed axis 11 that does hanger on screen frame 2 in the junction of supporting seat 12, and fixed axis 11 is rotationally connected with supporting seat 12, and fixed axis 11 fixes by locking device and supporting seat 12, locking device comprises two locking fixture blocks 8 of banding fixed axis 11, and locking fixture block 8 is one-body molded with supporting seat 12, and two locking fixture blocks 8 are fixedly connected with nut 10 by bolt 9, drive the vibrative vibrating motor 5 of screen frame 2 to be installed on screen frame 2 upper ends, be positioned at the position of departing from screen frame 2 barycenter, vibrating motor 5 is removably mounted on motor mount 3, motor mount 3 is located at the upper end of screen frame 2, is also provided with the protective cover 4 for covering vibrating motor 5 on motor mount 3.Screen cloth is arranged in screen frame 2, for mesh support screen, in screen frame 2, be provided with many brace summers 6, on brace summer 6, be welded with the spaced sieve plate 7 that polylith is vertical with brace summer 6, screen cloth is installed on sieve plate 7, is provided with upper and lower two-layer screen cloth, the pore size difference of two-layer screen cloth in the screen frame 2 of the present embodiment, the mesh of lower screen is less than the mesh of upper strata screen cloth, is beneficial to the thin ore deposit of screening; The surface of screen frame 2, brace summer 6, sieve plate 7 and screen cloth is all coated with SPUA, to increase the wearability of vibratory sieve, strengthens resistance to corrosion, thereby improves the service life of vibratory sieve.
The inclination angle hour of screen frame 2, sieving area is large; When inclination angle is large, sieving area is little.Vibratory sieve of the present utility model can use needs according to scene, adjusts at any time the inclination angle of vibratory sieve, reaches bolting efficiency optimization.Operation principle of the present utility model is, by adjusting the upper voussoir 14 of elevation and subsidence regulating device and the relative position of lower wedge block 16, change the height and position of upper voussoir 14, spring 13 moves with upper voussoir 14, and drive the front end of screen frame 2 or rear end rise thereupon or decline, the change of the height and position of the front-end and back-end of screen frame 2, changes screen frame 2 and the angle of horizontal direction, reaches the object of adjusting vibratory sieve inclination angle.While adjusting inclination angle, first unscrew the nut 10 of locking device, locking fixture block 8 unclamps fixed axis 11 can be rotated relative to supporting seat 12, then fastening bolt 15 is unclamped, make fastening bolt 15 depart from holder 18, screw in and adjust screw rod 19 to lower wedge block 16 directions again, when lower wedge block 16 moves towards the other end, upper voussoir 14 rises on the inclined-plane of lower wedge block 16, reach after the height needing, fastening bolt 15 and holder 18 are connected and fixed, voussoir 14 is pressed on lower wedge block 16, then make to lock fixture block 8 axle 11 that is fixedly clamped with locking device; Move down as need make upper voussoir 14, in aforesaid operations process, will adjust screw rod 19 and screw out in the other direction.
Claims (8)
1. a vibratory sieve, comprise screen frame, be arranged at screen cloth in screen frame, support described screen frame spring, connect the supporting seat of described screen frame and described spring and provide the exciting device of vibration source for described screen frame, described screen frame is obliquely installed, it is characterized in that: described spring is arranged on elevation and subsidence regulating device, on described screen frame, be provided with fixed axis with the junction of described supporting seat, described fixed axis and described supporting seat are rotationally connected, and described fixed axis fixes by locking device and described supporting seat.
2. vibratory sieve according to claim 1, it is characterized in that: described elevation and subsidence regulating device comprises the upper voussoir, lower wedge block and the holder that set gradually from top to bottom, the inclined-plane of described upper voussoir and the inclined-plane of described lower wedge block are slidably matched, described upper voussoir is fixedly connected with described holder by fastening bolt with described lower wedge block, and described lower wedge block offers the elongated slot through hole through described fastening bolt.
3. vibratory sieve according to claim 2, it is characterized in that: described holder has two spacing risers, on every described spacing riser, be connected with respectively the adjustment screw rod connecting with described upper voussoir, lower wedge block, described adjustment screw rod is connected with locknut.
4. vibratory sieve according to claim 1, it is characterized in that: described locking device comprises two locking fixture blocks of fixed axis described in banding, described two locking fixture blocks and described supporting seat are one-body molded, and described two locking fixture blocks are fixedly connected with by screw bolt and nut.
5. according to the vibratory sieve described in claim 1 to 4 any one claim, it is characterized in that: the surface spraying of described screen frame has SPUA.
6. vibratory sieve according to claim 5, is characterized in that: described exciting device is for directly driving the vibrative vibrating motor of described screen frame, and described vibrating motor is arranged on motor mount, and described motor mount is located at the upper end of described screen frame.
7. vibratory sieve according to claim 6, is characterized in that: on described motor mount, be provided with the protective cover for covering described vibrating motor.
8. vibratory sieve according to claim 7, is characterized in that: in described screen frame, be provided with two-layer screen cloth, the mesh of lower screen is less than the mesh of upper strata screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075703.6U CN203764532U (en) | 2013-12-05 | 2014-02-21 | Vibrating screen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790672.8 | 2013-12-05 | ||
| CN201320790672 | 2013-12-05 | ||
| CN201420075703.6U CN203764532U (en) | 2013-12-05 | 2014-02-21 | Vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203764532U true CN203764532U (en) | 2014-08-13 |
Family
ID=51281780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420075703.6U Withdrawn - After Issue CN203764532U (en) | 2013-12-05 | 2014-02-21 | Vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203764532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646279A (en) * | 2013-12-05 | 2015-05-27 | 广西华锡集团股份有限公司河池矿冶机械制造分公司 | Vibrating screen |
| CN114788467A (en) * | 2022-05-11 | 2022-07-26 | 塔里木大学 | Pesticide sprinkler is used in cotton defoliation convenient to allotment |
-
2014
- 2014-02-21 CN CN201420075703.6U patent/CN203764532U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646279A (en) * | 2013-12-05 | 2015-05-27 | 广西华锡集团股份有限公司河池矿冶机械制造分公司 | Vibrating screen |
| CN104646279B (en) * | 2013-12-05 | 2016-03-30 | 广西华锡集团股份有限公司河池矿冶机械制造分公司 | Vibratory sieve |
| CN114788467A (en) * | 2022-05-11 | 2022-07-26 | 塔里木大学 | Pesticide sprinkler is used in cotton defoliation convenient to allotment |
| CN114788467B (en) * | 2022-05-11 | 2024-03-15 | 塔里木大学 | Pesticide sprinkler for cotton defoliation convenient to allocate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |