CN216757210U - Special screen cloth of edulcoration - Google Patents

Abstract

The utility model discloses a special screen for impurity removal, which comprises a screen and a screen frame, wherein the screen is a punched metal plate, the screen surface of the screen is a conical surface, the screen is welded on the screen frame, the middle part of the screen is a non-punched blind area, the center of the screen is provided with a central guide pillar, the upper end of the central guide pillar is connected with a guide sleeve, an anti-impact plate is arranged on the guide sleeve, the lower end of the central guide pillar is fixedly connected with a central support plate, a support ring is arranged above the central support plate, a buffer spring is arranged between the support ring and the central support plate, the upper surface of the support ring is provided with a support rod, and the upper end of the support rod penetrates above the screen and is fixedly connected with the anti-impact plate; the utility model has firm structural design, the capability of buffering material impact, large self rigidity of the screen surface, strong impact resistance, simple manufacture and long service life, reduces the replacement times and greatly improves the screening efficiency.

Description

Special screen cloth of edulcoration

Technical Field

The utility model relates to the technical field of screens, in particular to a screen special for impurity removal.

Background

The rotary vibration sieve is a high-precision fine powder sieving machine. The method is widely applied to the industries such as chemical industry, abrasive ceramic industry, food industry, paper making industry, metallurgy industry, pharmaceutical industry, environmental protection and the like. The screen as a key part determines the quality, efficiency and yield of screening, and the service life of the screen is concerned by a large number of users. The rotary vibrating screen in the market at present is mainly integrally used after a metal wire woven screen mesh is bonded with a section bar net rack, and the type of screen mesh is not suitable for being directly applied to impurity removal screening. The cases of impurity removal and screening are generally two types: 1. the method comprises the following steps of (1) screening out fine powder mixed in large-particle materials, wherein the fine powder content is small and the impact force of the materials is large; 2. the large particles mixed in the fine powder particles are screened, but the large particles are generally not large, but the whole treatment material amount is large, and the impact force is large. The particle size of the impurities contained in the two materials is greatly different from that of the main material. If the conventional metal wire woven screen is directly used, the metal wire woven screen cannot bear the impact force of materials, the condition of net rotting often occurs, and the replacement is troublesome. The requirement of practical use cannot be met, so that the improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides the special screen for impurity removal, which has the advantages of firm structural design, material impact buffering capacity, large self rigidity of the screen surface, strong impact resistance, simple manufacture, long service life, reduction of replacement times, great improvement of screening efficiency and capability of effectively solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a special screen cloth of edulcoration, includes screen cloth and screen frame, the screen cloth is the metal sheet that punches a hole, and the sifter of screen cloth is the toper face, and the screen cloth welds on the screen frame, and the middle part of screen cloth is the blind area that does not punch a hole, and the center of screen cloth is provided with central guide pillar, and the upper end of central guide pillar is connected with the guide pin bushing, is provided with anti dash board on the guide pin bushing, and the lower extreme fixedly connected with center extension board of center guide pillar, the top of center extension board is provided with the support ring, is provided with buffer spring between support ring and the center extension board, and the upper surface of support ring is provided with the bracing piece, and the top and the anti dash board fixed connection of screen cloth are worn to the upper end of bracing piece.

Further, the anti-impact plate is of a conical structure, a rubber soft edge is arranged on the outer edge of the anti-impact plate, the materials are prevented from entering a non-punching blind area below the anti-impact plate through the rubber soft edge, the impact brought by the materials can be borne through the anti-impact plate, then the materials are dispersed, the materials slide onto the screen surface of the screen, the direct impact on the screen is avoided, and the screen is prevented from being deformed.

Further, the lower surface of screen cloth is provided with annular reinforcing plate, and annular reinforcing plate sets up to two, increases the intensity of screen cloth through annular reinforcing plate, makes the screen cloth get intensity higher.

Further, be provided with the splice bar between screen frame and the central extension board, the splice bar centers on the central evenly distributed of central extension board, and annular reinforcing plate and splice bar fixed connection are connected as an organic whole with reinforcing plate and screen frame through the splice bar, and the splice bar supports annular reinforcing plate simultaneously for structure is more firm.

Compared with the prior art, the utility model has the beneficial effects that:

1. the buffer spring is arranged on the sieve, the anti-impact plate has certain elasticity through the buffer spring, the anti-impact plate has certain capacity of buffering material impact, the materials are blocked through the soft rubber edge, the materials are prevented from entering a non-punching blind area below the anti-impact plate, the impact brought by the materials can be borne through the anti-impact plate, then the materials are dispersed, the materials slide onto the sieve surface of the sieve, the direct impact on the sieve is avoided, and the deformation of the sieve is prevented.

2. The sieve is provided with the annular reinforcing plate, the strength of the sieve is increased through the annular reinforcing plate, so that the sieve is higher in strength, the reinforcing plate and the sieve frame are connected into a whole through the connecting ribs, and meanwhile, the annular reinforcing plate is supported by the connecting ribs, so that the structure is firmer.

3. The utility model has firm structural design, the capability of buffering material impact, large self rigidity of the screen surface, strong impact resistance, simple manufacture and long service life, reduces the replacement times and greatly improves the screening efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention.

In the figure: 1 screen mesh, 2 non-punching blind areas, 3 screen frame, 4 anti-punching plates, 5 guide sleeves, 6 soft rubber edges, 7 buffer springs, 8 support rings, 9 support rods, 10 annular reinforcing plates, 11 central support plates, 12 connecting ribs and 13 central guide pillars.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: a screen special for impurity removal comprises a screen 1 and a screen frame 3, wherein the screen 1 is a punched metal plate, the screen surface of the screen 1 is a conical surface, the screen 1 is welded on the screen frame 3, the middle part of the screen 1 is a non-punched blind area 2, the center of the screen 1 is provided with a central guide pillar 13, the upper end of the central guide pillar 13 is connected with a guide sleeve 5, the central guide pillar 13 is in sliding connection with the guide sleeve 5, an anti-punching plate 4 is arranged on the guide sleeve 5, the lower end of the central guide pillar 13 is fixedly connected with a central support plate 11, the lower surface of the screen 1 is provided with an annular reinforcing plate 10, the annular reinforcing plates 10 are arranged in two numbers, the strength of the screen 1 is increased through the annular reinforcing plate 10, the strength of the screen 1 is higher, connecting ribs 12 are arranged between the screen frame 3 and the central support plate 11, the connecting ribs 12 are uniformly distributed around the center of the central support plate 11, the annular reinforcing plate 10 is fixedly connected with the connecting ribs 12, the annular reinforcing plate 10 is connected with the screen frame 3 into a whole through the connecting ribs 12, meanwhile, the annular reinforcing plate 10 is supported by the connecting ribs 12, so that the structure is firmer, the support ring 8 is arranged above the central support plate 11, the buffer spring 7 is arranged between the support ring 8 and the central support plate 11, the support rod 9 is arranged on the upper surface of the support ring 8, the upper end of the support rod 9 penetrates above the screen mesh 1 to be fixedly connected with the anti-punching plate 4, the anti-punching plate 4 is of a conical structure, the outer edge of the anti-punching plate 4 is provided with a rubber soft edge 6, the material is blocked by the rubber soft edge 6, the material is prevented from entering a non-punching blind area 2 below the anti-punching plate 4, the impact brought by the material can be borne by the anti-punching plate 4, then the material is dispersed, the material is made to slide onto the screen face of the screen mesh 1, the direct impact on the screen mesh 1 is avoided, the screen mesh 1 is prevented from being deformed, the structural design of the utility model is firm, the capability of buffering the material impact is realized, and the rigidity of the screen face is large, the anti-impact performance is strong, the manufacture is simple, the service life is long, the replacement times are reduced, and meanwhile, the screening efficiency is greatly improved.

When in use: the material of whereabouts is through anti dash board 4, can disperse the material, make the material landing to screen cloth 1 on the sifter, avoid directly impacting screen cloth 1, protect screen cloth 1, make anti dash board 4 have certain elasticity through buffer spring 7, make anti dash board 4 have the ability that certain buffering material was strikeed, block the material through soft limit 6 of rubber, prevent that the material from entering into the blind area 2 that does not punch a hole of anti dash board 4 below, increase screen cloth 1's intensity through annular reinforcing plate 10, make screen cloth 1 obtain intensity higher, it is as an organic whole to be connected annular reinforcing plate 10 and screen frame 3 through splice bar 12, splice bar 12 supports annular reinforcing plate 10 simultaneously, make the structure more firm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a special screen cloth of edulcoration, includes screen cloth (1) and screen frame (3), its characterized in that: the punching screen is characterized in that the screen (1) is a punching metal plate, the screen surface of the screen (1) is a conical surface, the screen (1) is welded on the screen frame (3), the middle of the screen (1) is a non-punching blind area (2), a central guide pillar (13) is arranged at the center of the screen (1), a guide sleeve (5) is connected to the upper end of the central guide pillar (13), an anti-punching plate (4) is arranged on the guide sleeve (5), a central support plate (11) is fixedly connected to the lower end of the central guide pillar (13), a support ring (8) is arranged above the central support plate (11), a buffer spring (7) is arranged between the support ring (8) and the central support plate (11), a support rod (9) is arranged on the upper surface of the support ring (8), and the upper end of the support rod (9) penetrates through the upper side of the screen (1) and is fixedly connected with the anti-punching plate (4).

2. The special screen for impurity removal according to claim 1, wherein: the anti-impact plate (4) is of a conical structure, and a rubber soft edge (6) is arranged on the outer edge of the anti-impact plate (4).

3. The special screen for impurity removal according to claim 1, wherein: the lower surface of the screen (1) is provided with two annular reinforcing plates (10), and the number of the annular reinforcing plates (10) is two.

4. The special screen for impurity removal according to claim 3, wherein: connecting ribs (12) are arranged between the screen frame (3) and the central support plate (11), the connecting ribs (12) are uniformly distributed around the center of the central support plate (11), and the annular reinforcing plate (10) is fixedly connected with the connecting ribs (12).

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