CN218458843U - Filter fan fixing assembly of disc vacuum filter - Google Patents

Abstract

The utility model discloses a filter fan fixing component of a disc vacuum filter, which comprises a plurality of rectangular lead screws and reducing stud bolts; the rectangular screw rod is narrow at the top and wide at the bottom, the top end of the narrow part is provided with an internal thread, the whole length of the narrow part is greater than the radius of the filter fan, the bottom end of the wide part is provided with an inverted U-shaped groove, and the wide part is connected with a main shaft of the disc vacuum filter through the inverted U-shaped groove; the diameter of a first bolt of the reducing stud bolt is smaller than that of a second bolt, the first bolt is matched with the internal thread at the top end of the narrow part of the rectangular screw rod, and the second bolt penetrates through the arc-shaped gland of the filter fan and then is fastened with the outer end face of the arc-shaped gland through a nut. This fixed subassembly of filter fan adopts lead screw and reducing stud assembly to form, and reducing stud and lead screw female connection are connected, and the connection position is difficult for receiving the ore pulp corruption, and the dismouting is convenient, and the junction damages the back only need change the bolt can, and the lead screw and the reducing stud of chooseing for use are corrosion-resistant stainless steel moreover, have prolonged fixed subassembly's life greatly.

Description

Filter fan fixing assembly of disc vacuum filter

Technical Field

The utility model relates to a filtration equipment field, concretely relates to disc vacuum filter strains fixed subassembly of fan.

Background

The disk vacuum filter is a device which utilizes vacuum as filtering power and compressed air as ore unloading power to separate solid and liquid in ore pulp. The disc vacuum filter is driven by a motor to drive a speed reducer and an open gear to drive a disc to rotate in a filter tank body filled with ore pulp. The disc of the disc vacuum filter is formed by assembling components such as a screw rod, a filter fan, a filtrate discharge pipe, a main shaft and the like, wherein the filter fan adsorbs media in ore pulp on the filter fan in an adsorption area to form a filter cake to complete solid-liquid separation due to the action of a vacuum system of the filter in the rotating process, and then the filter cake is unloaded and discharged in an ore unloading area under the action of a back blowing system, so that the circulation is continuous. The disc vacuum filter is not only widely applied to occasions with the dewatering requirement of filtering and floating fine materials such as clean coal, tailing and non-ferrous metal concentrate, but also suitable for dewatering operation and solid-liquid separation work in the fields of coal washing plants, non-metallic ores, chemical industry, environmental protection and the like.

The current fixing mode of the filter fan of the disc vacuum filter is that a filtrate discharge pipe is uniformly distributed and fixed on a main shaft, a screw rod is arranged in a threaded hole processed by the main shaft in a threaded fit mode, the filter fan is inserted and arranged on a pipe orifice of the filtrate discharge pipe, an arc-shaped gland is sleeved at the tail end of the screw rod, and finally the filter fan is fixed after being fastened by a nut. This type of attachment presents the following problems in use: (1) The lead screw is made of common carbon steel, so that the lead screw is poor in corrosion resistance, is easy to corrode and deform when directly contacted with acid-alkali ore pulp, needs to be frequently replaced, is high in cost and is difficult to disassemble after being corroded; (2) The disc of the filter is usually affected by accumulated ore and dead ore in the tank body to generate deformation, the lead screw for fixing the filter fan is a common carbon steel circular lead screw, the circular lead screw has small inertia moment and low rigidity, the bending deformation speed is accelerated, and equipment faults such as disc blocking and bending are caused. Therefore, it is urgently needed to provide a new fixing mode to improve the defects of the fixing mode of the filter fan of the traditional disc vacuum filter.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a disc vacuum filter strains fixed subassembly of fan, the lead screw that aim at solved current disc vacuum filter strain the fan is very easy to be corroded to be out of shape with the contact of acid-base ore pulp for a long time, and the lead screw is little for circular rigidity, easy bending deformation, frequently change the lead screw cost higher and dismantle the big problem of the degree of difficulty.

The utility model relates to a filter fan fixing component of a disc vacuum filter, which comprises a plurality of rectangular lead screws and reducing stud bolts;

the rectangular screw rod is narrow at the top and wide at the bottom, the top end of the narrow part is provided with an internal thread, the whole length of the narrow part is greater than the radius of the filter fan, the bottom end of the wide part is provided with an inverted U-shaped groove, and the wide part is connected with a main shaft of the disc vacuum filter through the inverted U-shaped groove;

reducing stud includes square connecting block, and square connecting block both ends are equipped with first bolt and second bolt respectively, and first bolt diameter is less than the second bolt, and first bolt cooperatees with the narrow portion top internal thread of rectangle lead screw, and the second bolt passes through behind the arc gland of filtering fan through nut and the outer terminal surface fastening of arc gland.

Preferably, the main shaft of the disc vacuum filter is provided with bosses with the same number as the rectangular screw rods and the reducing stud bolts, and the inverted U-shaped groove is connected with the main shaft of the disc vacuum filter through the bosses.

Preferably, the top of the inner side of the inverted U-shaped groove is provided with a limiting arc plate with an inner arc surface facing downwards, and the limiting arc plate is attached to the outer arc surface of the main shaft of the disc vacuum filter.

Preferably, the limiting arc plate is perpendicular to the rectangular screw rod, and the length of the limiting arc plate is larger than the width of the rectangular screw rod.

Preferably, the rectangular screw rod and the reducing stud bolts are made of corrosion-resistant stainless steel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a fixed subassembly of disc vacuum filter fan adopts a plurality of rectangle lead screws and reducing stud assembly to form, and reducing stud and rectangle lead screw female connection, the connection position is difficult for receiving the ore pulp corruption, and the dismouting is convenient, only need change the bolt after the junction damages can, the lead screw and the reducing stud of chooseing for use moreover are corrosion-resistant stainless steel, have prolonged fixed subassembly's life greatly.

2. The utility model provides a disc vacuum filter strains fixed subassembly of fan, the main epaxial boss welded connection of the type groove of falling U of rectangle lead screw and disc vacuum filter, greatly increased the area of contact of main shaft and rectangle lead screw, fixed reliable has strengthened the ability that rectangle lead screw resisted the deformation, has improved and has strained the fan and rotate the stability of in-process. And the U-shaped groove is internally provided with a limiting arc plate with an inward arc surface facing downwards, the limiting arc plate is attached to the outer arc surface of a main shaft of the disc vacuum filter to realize the transverse positioning effect, the U-shaped groove is combined with a boss to realize the longitudinal positioning effect, the length of the limiting arc plate is greater than the width of a rectangular screw rod, the limiting arc plate is attached to the main shaft to realize the limiting effect while positioning, the screw rod is ensured to be perpendicular to the tangent line of the excircle of the main shaft after being welded, the area of a sector area formed by two adjacent screw rods is the same, the filter fan on the same disc surface is ensured to be inserted into a filter pipe, a slot gap formed by the adjacent filter fans can be successfully inserted into the rectangular screw rod, the U-shaped groove at the bottom of the filter fan is tightly combined with the boss on the main shaft, and all the installation work of the filter fans on the same disc surface is completed.

3. The utility model provides a disc vacuum filter strains fan fixed subassembly, the lead screw is the rectangle, and the inertia moment of rectangle lead screw is ten times more than circular lead screw, and lead screw rigidity is showing and is improving, receives the cell body inner product ore deposit and the difficult bending deformation after the influence of dying ore deposit, and the whole length of narrow portion of lead screw is greater than the filter fan radius moreover, in the cell type avris of embedding filter fan that can be better after the lead screw installation, has fine limiting displacement, stable non-deformable.

4. The utility model provides a disc vacuum filter strains fixed subassembly of fan, reducing stud's intermediate junction piece is square, and the spanner is put forth effort easily, and it is convenient to dismantle the change, has improved dismantlement efficiency greatly.

Drawings

FIG. 1 is a schematic view of a conventional disk vacuum filter with a filter fan fixed;

FIG. 2 is a schematic view of the installation of the fixing component of the filtering fan of the disk vacuum filter of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a left side view of FIG. 2;

FIG. 5 is an enlarged view of FIG. 4 at B;

FIG. 6 is an enlarged view at C of FIG. 4;

fig. 7 is a schematic view of the rectangular screw rod structure of the present invention;

FIG. 8 is a left side view of FIG. 7;

fig. 9 is a schematic structural view of the reducing stud of the present invention;

in the figure: 1-a rectangular screw rod; 2-reducing stud bolts; 3-reversing a U-shaped groove; 4-a first bolt; 5-a second bolt; 6-a main shaft; 7-boss; 8-filtering the fan; 9-limiting arc plates; 10-filtrate calandria; 11-arc gland, 12-hexagon bolt; 13-round lead screw; 14-square connecting block.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-9, the utility model relates to a filter fan fixing component of a disc vacuum filter, which comprises twenty rectangular lead screws 1 and reducing stud bolts 2, wherein the rectangular lead screws 1 and the reducing stud bolts 2 are made of corrosion-resistant stainless steel;

the disc vacuum filter is characterized in that the rectangular lead screw 1 is narrow at the top and wide at the bottom, internal threads are arranged at the top end of the narrow part, the whole length of the narrow part is greater than the radius of the filter fan 8, an inverted U-shaped groove 3 is arranged at the bottom end of the wide part, bosses 7 with the same number as the rectangular lead screw 1 and the reducing stud 2 are arranged on a main shaft 6 of the disc vacuum filter, the inverted U-shaped groove 3 is connected with the main shaft 6 of the disc vacuum filter through the bosses 7, a limiting arc plate 9 with an inner arc surface facing downwards is arranged at the top of the inner side of the inverted U-shaped groove 3, the limiting arc plate 9 is attached to the outer arc surface of the main shaft 6 of the disc vacuum filter, the limiting arc plate 9 is perpendicular to the rectangular lead screw 1, and the length of the limiting arc plate 9 is greater than the width of the rectangular lead screw 1;

reducing stud 2 includes square connecting block 14, and 14 both ends of square connecting block are equipped with first bolt 4 and second bolt 5 respectively, and first bolt 4 diameter is less than second bolt 5, and first bolt 4 cooperatees with the narrow portion top internal thread of rectangular screw 1, and second bolt 5 is through fastening with the outer terminal surface of arc gland 11 through the nut behind the arc gland 11 of filter fan 8.

When the filter fan 8 of the disc vacuum filter is installed, the filtrate discharge pipes 10 are uniformly arranged in the circumferential direction of the main shaft 6, the filter fan 8 on the same disc surface is inserted into the shaft hole of the filtrate discharge pipe 10, then the wide part of the rectangular lead screw 1 is inserted into the groove-shaped gap formed by the adjacent filter fans 8, the inverted U-shaped groove 3 at the bottom of the wide part is tightly combined with the boss 7 on the main shaft 6 for positioning, the limiting arc plate 9 is attached to the outer arc surface of the main shaft 6 for limiting while positioning, the rectangular lead screw 1 and the excircle tangent of the main shaft 6 are ensured to be vertical and then welded and fixed, then the arc gland 11 is sleeved from the top end of the narrow part of the rectangular lead screw 1, the first bolt 4 of the reducing stud 2 is inserted into the internal thread of the narrow part of the rectangular lead screw 1 for screwing and fixing, and finally the second bolt 5 of the reducing stud 2 is fastened by a nut to complete the fixing work of the filter fan 8. The traditional mode that the arc gland 11 passes through the circular screw rod 13 to be installed and then is directly fixed at the end part of the circular screw rod 13 by the hexagon bolt 12 is replaced, and the service life of the screw rod is prolonged.

Claims (5)

1. The utility model provides a subassembly is fixed to disc vacuum filter filtration fan which characterized in that: comprises a plurality of rectangular screw rods (1) and reducing stud bolts (2);

the rectangular screw rod (1) is narrow at the top and wide at the bottom, the top end of the narrow part is provided with an internal thread, the whole length of the narrow part is greater than the radius of the filter fan (8), the bottom end of the wide part is provided with an inverted U-shaped groove (3), and the wide part is connected with a main shaft (6) of the disc vacuum filter through the inverted U-shaped groove (3);

reducing stud (2) are equipped with first bolt (4) and second bolt (5) respectively including square connecting block (14), square connecting block (14) both ends, first bolt (4) diameter is less than second bolt (5), and first bolt (4) cooperate with the narrow portion top internal thread of rectangle lead screw (1), and second bolt (5) run through and strain arc gland (11) back of fan (8) and pass through nut and the outer terminal surface fastening of arc gland (11).

2. The filter fan fixing assembly of claim 1, wherein: the disc vacuum filter is characterized in that bosses (7) which are the same in number with the rectangular screw rods (1) and the reducing stud bolts (2) are arranged on a main shaft (6) of the disc vacuum filter, and the inverted U-shaped grooves (3) are connected with the main shaft (6) of the disc vacuum filter through the bosses (7).

3. The filter fan fixing assembly of the disk vacuum filter as claimed in claim 2, wherein: the top of the inner side of the inverted U-shaped groove (3) is provided with a limiting arc plate (9) with an inner arc surface facing downwards, and the limiting arc plate (9) is attached to the outer arc surface of a main shaft (6) of the disc vacuum filter.

4. A disk vacuum filter fan attachment assembly as claimed in claim 3, wherein: the limiting arc plate (9) is perpendicular to the rectangular screw rod (1), and the length of the limiting arc plate (9) is larger than the width of the rectangular screw rod (1).

5. A disk vacuum filter fan mounting assembly as claimed in any one of claims 1 to 4, wherein: the rectangular screw rod (1) and the reducing stud bolts (2) are made of corrosion-resistant stainless steel materials.

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