CN201061789Y

CN201061789Y - High-frequency vibration screen sheets

Info

Publication number: CN201061789Y
Application number: CNU200720101959XU
Authority: CN
Inventors: 崔晓峰
Original assignee: HEBEI JINCHUAN GRIDDLE NET INDUSTRY Co Ltd
Current assignee: HEBEI JINCHUAN GRIDDLE NET INDUSTRY Co Ltd
Priority date: 2007-07-17
Filing date: 2007-07-17
Publication date: 2008-05-21
Anticipated expiration: 2017-07-17

Abstract

The utility model relates to a high frequency vibration sieve sheet, which belongs to the technical field of sieve devices, and solves the problem that the rigidity of a common nylon sieve sheet is weak and joints are easily released. The technical proposal is that the sieve sheet is further provided with a rigid connecting strip which is symmetrically provided with concave grooves, two lateral sides whose directions are the same with the direction of a sieve strip of the sieve sheet are provided with a convex muscle which is inserted into the concave grooves of the rigid connecting strip, the convex muscle and the concave grooves are nested together. The utility model has the advantages that firstly, the lateral sides of the sieve sheet are further provided with the rigid connecting strip which is convenient to be installed and effectively avoids releasing of the sieve sheet because of forced deformation, secondly, the sieve strip is provided with convex points which are interlaced -distributed to realize function of delaying flow speed of pulp, thirdly, the transverse section of the sieve strip is wedge-shaped, which further delays flow speed of pulp, and effectively improves the sieving efficiency. Through the improvement, the sieve sheet has the advantages of large intensity, high rigidity, excellent abrasion resistance, tight occlusion, easy changeability, and excellent sieve effect, and can be used as a substitute produce for a current sieve sheet.

Description

A kind of high frequency shale shaker sieve sheet

Technical field

The utility model relates to a kind of mining screen section, is the sieve sheet that is used on the high frequency shale shaker specifically, belongs to the screening plant technical field.

Background technology

The screening object is to use operating type very widely in industries such as coal, metallurgy, cement, building materials.The core component of screening plant is screen cloth or sieve plate.Sieve plate is combined by several sieve sheets, uniform a plurality of gratings on the sieve sheet, and equal cloth screen seam between each grating, the sieve sheet is made by the high-strength abrasion-proof material.Characteristics such as a kind of nylon mesh sheet of being made by composite nano materials has the intensity height at present, wearability is good, interlock is tight, be easy to change, do not corrode receive praises from customers, and the trend of alternative stainless steel mesh is arranged greatly.The dual-side of this sieve sheet is provided with convex tendon and groove respectively, and each sieves, and the convex tendon of sheet and groove are chimeric mutually to connect into large-area sieve plate, reliably also is equipped with the connection clasp nail for making connection.But said structure in use finds to have following problems: because nylon mesh sheet rigidity is poor slightly, go up aggregated material more for a long time when sieving, the sieve sheet will deform under the effect of material gravity, cause the junction to get loose, and influence normal screening operation.In addition, the shape or the structure of grating and sieve seam also are unfavorable for delaying the slip flow velocity on the existing sieve sheet, influence screening effect, are necessary to improve.

Summary of the invention

The utility model is used to overcome the defective of prior art and provides a kind of and improve sieve sheet coupling stiffness and install to change time saving and energy saving, the better a kind of high frequency shale shaker sieve sheet of separating effect.

The alleged problem of the utility model is solved by following technical scheme:

A kind of high frequency shale shaker sieve sheet, uniform grating on the sieve sheet, leave the sieve seam between each grating, its special feature is: set up the bar 2 that is rigidly connected, be rigidly connected and be symmetrical arranged groove on the bar, two long limits are provided with convex tendon 3 in the described sieve sheet side, and its convex tendon inserts in the groove of the bar that is rigidly connected, and both are chimeric mutually.

Above-mentioned high frequency shale shaker sieve sheet, uniform choked flow salient point 6 on described each grating 4, the salient point on the adjacent grating shifts to install.

Above-mentioned high frequency shale shaker sieve sheet, described grating cross section is that class is trapezoidal, each grating upper surface becomes 2 °～5 ° inclination alpha with sieve sheet surface.

Above-mentioned high frequency shale shaker sieve sheet, the shape of cross section of the described bar that is rigidly connected is I-shaped.

The utility model improves at problems such as common nylon mesh sheet junction easily get loose, its main feature is as follows: 1. sieve sheet side is set up the bar that is rigidly connected, the bar that is rigidly connected is chimeric with sieve sheet side, the bar that is rigidly connected had both played the effect that sheet is respectively sieved in connection, can improve the rigidity of sieve sheet again, in convenient the installation, can effectively avoid sieving sheet and get loose because of stress deformation; 2. on the grating of sieve sheet the salient point that is interspersed is set, to play the effect that delays the slip flow velocity; 3. change existing grating cross sectional shape, further delay the slip flow velocity, effectively improve screening efficiency.Through above-mentioned improvement, the advantage that the utlity model has the intensity height, rigidity is big, wearability good, interlock is tight, be easy to change, screening effect is good can be used as the product of existing commercially available nylon mesh sheet update.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is Figure 1A place partial enlarged view;

Fig. 4 is the B-B cutaway view among Fig. 3.

Each parts label is as follows among the figure: sieve sheet 1.; 2. bar is rigidly connected; 3. convex tendon; 4. grating; 5. sieve stitches; 6. salient point; 7. reinforcement.

The specific embodiment

The utility model is a kind of sieve sheet that is used on the high frequency shale shaker, and described sieve sheet 1 is made by materials such as macromolecule nylon or polyformaldehyde.Referring to Fig. 1, Fig. 2, even distribution grating 4 on the sieve sheet, the slit between each grating constitutes sieve seam 5.For remedying the relatively poor shortcoming of common nylon mesh sheet rigidity, the utility model is set up the bar 2 that is rigidly connected, the strip adoption good rigidity, metal material that wearability is good of being rigidly connected made (as aluminium alloy), be rigidly connected and be symmetrical arranged groove on the bar, two sides identical with grating 4 directions of described sieve sheet are provided with convex tendon 3, convex tendon inserts in the groove of the bar that is rigidly connected, and both are closely chimeric mutually.This structure has effectively improved the rigidity of sieve sheet, installs simultaneously that to change the sieve sheet also very convenient, and powder is not cracked, do not leaked to the waist that can not occur in the use collapsing, phenomenon such as get loose.

The bar that is rigidly connected also can be designed to integrative-structure with the branch body structure that sieves sheet.

For delaying to make the flowing velocity of oversize material, improve screening effect, the utility model has also carried out following improvement to grating, one, uniform choked flow salient point 6 on grating 4, the salient point position on the adjacent grating is staggered, referring to Fig. 1, Fig. 3.1.5～3 millimeters of salient point external diameters, 1～2 millimeter of height, 3～10 millimeters of spacings.Its two, the grating cross section is class trapezoidal (wedge shape), sieve between two adjacent gratings seam for trapezoidal (trapezoid) referring to Fig. 4.The upper surface of each grating becomes 2 °～5 ° α angle with sieve sheet surface, such inclination angle, and when it is assembled on the vibratory sieve, will flow to the material oar and produce inhibition in this inclination angle, thereby improved the separating effect of material.

Be further to improve the rigidity of sieve sheet, the uniform reinforcement 7 of many parallel interval on the sieve sheet.

Claims

1. a high frequency shale shaker sieves sheet, uniform grating on the sieve sheet, leave the sieve seam between each grating, it is characterized in that: set up the bar that is rigidly connected (2), be rigidly connected and be symmetrical arranged groove on the bar, two sides identical with grating (4) direction of described sieve sheet are provided with convex tendon (3), and convex tendon inserts in the groove of the bar that is rigidly connected, and both are chimeric mutually.

2. high frequency shale shaker sieve sheet according to claim 1, it is characterized in that: described each grating (4) is gone up uniform salient point (6), and the salient point position on the adjacent grating is staggered.

3. high frequency shale shaker sieve sheet according to claim 1 and 2, it is characterized in that: described grating cross section is trapezoidal, each grating upper surface becomes 2 °～5 ° inclination alpha with sieve sheet surface.

4. high frequency shale shaker sieve sheet according to claim 3, it is characterized in that: the shape of cross section of the described bar that is rigidly connected is I-shaped.