CN213133590U

CN213133590U - Spiral sand washer

Info

Publication number: CN213133590U
Application number: CN202021759743.4U
Authority: CN
Inventors: 林毅镖
Original assignee: Foshan Shenrui Machinery Equipment Co ltd
Current assignee: Foshan Shenrui Machinery Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-07
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a spiral sand washer, which comprises a frame, the sand washing groove, drive assembly, the center tube, the sand washing groove is fixed in the frame, sand washing groove bottom is equipped with the chute, be equipped with a plurality of helical blade on the center tube, the both ends of center tube are fixed with preceding axis of rotation and back axis of rotation respectively, preceding axis of rotation links to each other with drive assembly, back axis of rotation rotates with the sand washing groove and rotates and links to each other, be equipped with seal assembly in the back axis of rotation, seal assembly includes the back lid at least, protecgulum and first connecting flange, the back lid, the protecgulum, first connecting flange overlaps respectively and locates on the outer peripheral face of back axis of rotation, the back lid is located the one end of back axis of rotation, the back lid is located the inside of center tube, the protecgulum is located the one end outside of center tube, back lid and protecgulum are through first connecting flange. The utility model discloses a spiral sand washer can avoid pollutants such as water, sand to dip in the bearing.

Description

Spiral sand washer

Technical Field

The utility model relates to a sand washing equipment field, more specifically the utility model relates to a spiral sand washer that says so.

Background

The spiral sand washer is widely applicable to washing, sorting, impurity removing and other operations in the industries of metallurgy, building materials, water and electricity and the like, is applicable to washing and sorting operations of materials with fine granularity and coarse granularity, and is particularly suitable for building sand and gravel for building.

The spiral sand washer is generally arranged obliquely, a rotating shaft provided with a spiral blade is driven by a motor through a speed reducer to rotate, clear water is continuously fed in the rotating process of the spiral blade, and then soil and water in sand materials in the sand washing tank are mixed to realize the cleaning and screening of the sand materials. However, one end of the rotating shaft is immersed in water for a long time, and the bearing on the rotating shaft is easily immersed in water, sand and other pollutants to cause damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral sand washer, the utility model discloses a spiral sand washer can avoid pollutants such as water, sand to dip in the bearing.

The technical scheme is as follows:

the spiral sand washer comprises a rack, a sand washing groove, a driving assembly and a central tube, wherein the sand washing groove is fixed on the rack, the bottom of the sand washing groove is provided with a chute, the central tube is provided with a plurality of spiral blades, the two ends of the central tube are respectively fixed with a front rotating shaft and a rear rotating shaft, the front rotating shaft is connected with the driving assembly, the rear rotating shaft is rotatably connected with the sand washing groove, the rear rotating shaft is provided with a sealing assembly, the sealing assembly at least comprises a rear cover, a front cover and a first connecting flange, the rear cover, the front cover and the first connecting flange are respectively sleeved on the peripheral surface of the rear rotating shaft, the rear cover is positioned at one end of the rear rotating shaft, the rear cover is positioned in the central tube, the front cover is positioned at the outer side of one end of the central tube, and the rear cover is in sealing connection with the front cover through the first connecting flange, and the bearing on the rear rotating shaft is positioned between the front cover and the rear cover.

The sealing assembly further comprises a framework oil seal, and the framework oil seal is fixed between the front cover and the bearing.

The sealing assembly further comprises a second connecting flange, the second connecting flange is sleeved on the central pipe, and the first connecting flange is connected with the second connecting flange.

And a plurality of wear-resistant pieces are respectively fixed on the surface of each spiral blade and detachably connected with the spiral blades.

The wear-resistant sheet is made of polyurethane materials.

The wear-resistant plate is provided with three first connecting holes, three second connecting holes are formed in corresponding positions on the spiral blade, and the wear-resistant plate is connected with the spiral blade through the first connecting holes and the second connecting holes.

The wear-resistant plate is provided with a protruding part, and the protruding part is located at the edge of the spiral blade.

The driving assembly comprises a motor and a speed reducer, the motor is connected with the speed reducer through a belt, and the speed reducer is connected with the rotating shaft.

The advantages or principles of the invention are explained below:

1. the utility model discloses a spiral sand washer's back axis of rotation is submerged in water for a long time, and is equipped with seal assembly in this back axis of rotation, and this seal assembly includes back lid, protecgulum and first connecting flange. The bearing on the rear rotating shaft is positioned between the rear cover and the front cover, and the front cover is hermetically connected with the rear cover through a first connecting flange. The utility model discloses a protecgulum, back lid, first connecting flange are sealed with the bearing, keep apart the bearing and wash pollutants such as water, sand in the sand groove to avoid in water, sand etc. dip the bearing, thereby greatly reduced spiral sand washer's fault rate.

2. The utility model discloses a be equipped with wear pad on the helical blade, this wear-resisting wearing and tearing of having avoided helical blade owing to lead to with the grit friction.

Drawings

FIG. 1 is a schematic structural diagram of a spiral sand washer according to an embodiment of the present invention;

FIG. 2 is a top cross-sectional view of a spiral sand washer of an embodiment of the present invention;

FIG. 3 is a schematic view of a combination of a center tube and a helical blade according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a sealing member according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a seal of an embodiment of the present invention;

figure 6 is a schematic view of a combination of a plurality of wearpads of an embodiment of the invention;

fig. 7 is a schematic structural view of a wear pad according to an embodiment of the present invention;

description of reference numerals:

10. a frame; 20. a sand washing tank; 30. a drive assembly; 40. a central tube; 51. a front rotary shaft; 52. a rear rotating shaft; 60. a chute; 70. a helical blade; 80. a seal assembly; 81. a rear cover; 82. a front cover; 83. a first seal portion; 84. a first connection portion; 85. framework oil seal; 86. a second connecting flange; 53. a bearing; 90. a wear resistant sheet; 91. a first connection hole; 92. a projection.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 to 7, the present embodiment discloses a spiral sand washer, which includes a frame 10, a sand washing tank 20, a driving assembly 30, and a central pipe 40. The sand washing tank 20 is fixed on the frame 10, and a chute 60 is arranged at the bottom of the sand washing tank 20. The central tube 40 is provided with a plurality of spiral blades 70, and preferably, the plurality of spiral blades 70 are welded to the outer circumferential surface of the central tube 40. A front rotating shaft 51 and a rear rotating shaft 52 are respectively fixed at two ends of the central tube 40, the front rotating shaft 50 is connected with the driving assembly 30, the rear rotating shaft 50 is rotatably connected with the sand washing tank 20, and the driving assembly 30 drives the front rotating shaft 50 to rotate, so as to drive the central tube 40 and the rear rotating shaft 52 to rotate.

The rear rotating shaft 50 is provided with a sealing assembly 80, the sealing assembly 80 at least comprises a rear cover 81, a front cover 82 and a first connecting flange, and the rear cover 81, the front cover 82 and the first connecting flange are respectively sleeved on the peripheral surface of the rear rotating shaft 50. The rear cover 81 is located at one end of the rear rotating shaft 52, the rear cover 81 is located inside the center tube 40, and the front cover 82 is located outside one end of the center tube 40. The first connecting flange includes a first sealing portion 83 and a first connecting portion 84, and the bearing 53 of the rear rotating shaft 50 is located between the rear cover 81 and the front cover 82. The first sealing portion 83 is located between the front cover 82 and the rear cover 81, and the rear cover 81 and the front cover 82 are hermetically connected by the first sealing portion 83.

The sealing assembly 80 further comprises a framework oil seal 85, wherein the framework oil seal 85 is fixed between the front cover 82 and the bearing 53, and the bearing 53 is further sealed through the framework oil seal 85. The seal assembly 80 further includes a second attachment flange 86, the second attachment flange 86 being disposed about the center tube 40. The first connection portion 84 of the first connection flange is located outside one end of the center tube 40, and the first connection portion 84 is connected to the second connection flange 86.

In the present embodiment, the front cover 82, the rear cover 81 and the first sealing portion 83 may be connected by bolts, and the first connecting portion 84 and the second connecting flange 86 may be connected by bolts.

The front cover 82, the rear cover 81, the first connecting flange and the framework oil seal 85 seal the bearing 53, and isolate the bearing 53 from pollutants such as water, sand and the like in the sand washing groove 20, so that the water, the sand and the like are prevented from immersing in the bearing 53, and the failure rate of the spiral sand washing machine is greatly reduced.

A plurality of wear-resistant pieces 90 are respectively fixed on the surface of each helical blade 70, and the plurality of wear-resistant pieces 90 are detachably connected with the helical blades 70. Preferably, three first connection holes 91 are formed in the wear-resistant plate 90, two of the first connection holes 91 may be arranged side by side, and another first connection hole 91 may be disposed below the two first connection holes 91 and may be located between the two first connection holes 91. Three second connecting holes are formed in corresponding positions on the helical blade 70, and the wear-resistant piece 90 can be installed on the helical blade 70 through driving bolts into the first connecting hole 91 and the second connecting holes. When the wear-resistant plate 90 needs to be replaced, the bolt is removed and the wear-resistant plate 90 is replaced. The wear-resistant plate 90 is provided with a protrusion 92, and the protrusion 92 is located at the edge of the helical blade 70. The wear-resistant plate 90 is made of polyurethane, and the wear-resistant plate 90 avoids the abrasion of the spiral blade 70 caused by the friction with sand.

The driving assembly 30 includes a motor and a speed reducer, the motor is connected to the speed reducer through a belt, and the speed reducer is connected to the front rotary shaft 51 through a cross connector, a connecting member, and the like.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims

1. The spiral sand washer comprises a frame, a sand washing groove, a driving assembly and a central tube, wherein the sand washing groove is fixed on the frame, the bottom of the sand washing groove is provided with a chute, the central tube is provided with a plurality of spiral blades, the spiral sand washer is characterized in that two ends of the central tube are respectively fixed with a front rotating shaft and a rear rotating shaft, the front rotating shaft is connected with the driving assembly, the rear rotating shaft is rotatably connected with the sand washing groove, the rear rotating shaft is provided with a sealing assembly, the sealing assembly at least comprises a rear cover, a front cover and a first connecting flange, the rear cover, the front cover and the first connecting flange are respectively sleeved on the peripheral surface of the rear rotating shaft, the rear cover is positioned at one end of the rear rotating shaft, the rear cover is positioned inside the central tube, the front cover is positioned at the outer side of one end of the central tube, and the rear cover is in sealing connection with the front cover through the first connecting flange, and the bearing on the rear rotating shaft is positioned between the front cover and the rear cover.

2. A spiral sander as set forth in claim 1, wherein said seal assembly further comprises a skeleton oil seal secured between said front cover and said bearing.

3. The screw sander of claim 1, wherein the seal assembly further comprises a second attachment flange, the second attachment flange being disposed over the central tube, the first attachment flange being connected to the second attachment flange.

4. A spiral sand washer according to any of claims 1 to 3, wherein a plurality of wear plates are fixed to the surface of each of said spiral blades, respectively, and are detachably connected to said spiral blades.

5. The spiral sander of claim 4, wherein the wear pad is made of a polyurethane material.

6. The spiral sand washer according to claim 4, wherein three first connecting holes are provided in said wear plate, three second connecting holes are provided in corresponding positions on said spiral blade, and said wear plate is connected to said spiral blade through said first connecting holes and said second connecting holes.

7. The spiral sander of claim 4, wherein said wear plate has a protrusion located at an edge of said spiral blade.

8. The spiral sander of claim 1, wherein the drive assembly comprises a motor and a reducer, the motor connected to the reducer by a belt, the reducer connected to the rotatable shaft.