CN218610690U

CN218610690U - Cylindrical ore washer mineral separation screen bar

Info

Publication number: CN218610690U
Application number: CN202223212237.5U
Authority: CN
Inventors: 赵祖明; 钟声; 周志强; 殷小勇; 郑华平; 马绩; 玉俊松; 赵育坤
Original assignee: Guangxi Xinlai Technology Co ltd
Current assignee: Guangxi Xinlai Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The invention discloses a cylindrical ore-dressing screen bar of an ore washer, which comprises a screen bar body, wherein bayonets are arranged at two ends of the screen bar body, a wear-resistant alloy layer, a supporting layer and a buffer layer are sequentially formed on the ore-dressing screen bar from top to bottom, the bayonets are arranged at two ends of the supporting layer, and the buffer layer is embedded in the supporting layer at two sides of the bayonets; the supporting layer comprises a supporting body and fixed end portions, the supporting body is located on the lower surface of the wear-resistant alloy layer, the fixed end portions are arranged at two ends of the supporting body, the bayonets are arranged on the lower sides of the fixed end portions, and the buffer layers are arranged on the lower sides of the end portions, located at the fixed end portions, of two side edges in the transverse direction of the bayonets. The utility model discloses a grating simple structure is reasonable, wear resistance is good, and the simple area of contact that has increaseed the grating in the installation is used in the installation, can effectively reduce wear.

Description

Cylindrical ore washer mineral separation screen bar

Technical Field

The invention belongs to the technical field of mineral separation mechanical equipment, and particularly relates to a mineral separation screen bar of a cylindrical ore washer.

Background

The cylindrical ore washer is mainly applied to mining, metallurgy and chemical industries as screening equipment. In the mining industry, cylindrical ore washers are used more frequently in ore washing processes for rubbing the ore against each other in rotation inside the drum to separate the ore from the slime, and discharging the slime out of the drum to complete slime washing to obtain clean ore. The drum washer divide into drum section and drum and adds the grating section, the drum adds the grating of grating section configuration by the wide application in various difficult bold ores of washing, bold ore weight that has can reach several hundred kilograms, such bold ore impact force causes huge impact and destruction to the grating greatly easily, after the grating uses a period, the grating not only wearing and tearing are great, and lead to becoming flexible easily, warp crooked or drop, influence the life of grating, thereby cause often need overhaul or change the grating, the maintenance volume is big, the cost of maintenance is high, and the grating is changed the degree of difficulty great, influence the efficiency of ore dressing production operation, large in production cost has been added.

Disclosure of Invention

The invention aims to provide a cylindrical ore washer mineral separation screen bar, which has the advantages of simple and reasonable structure, good wear resistance, simple installation, increased contact area of the screen bar during installation and use, effective reduction of wear, cleaner ore after washing of the cylindrical ore washer and lower mud content. In order to achieve the purpose, the invention adopts the following technical scheme:

according to one aspect of the invention, the mineral separation screen bar of the cylindrical ore washer is provided, and comprises a screen bar body, wherein bayonets are arranged at two ends of the screen bar body, the mineral separation screen bar consists of a wear-resistant alloy layer, a supporting layer and a buffer layer which are sequentially formed from top to bottom, the bayonets are arranged at two ends of the supporting layer, and the buffer layer is embedded in the supporting layer at two sides of the bayonets; the supporting layer comprises a supporting body and fixed end portions, the supporting body is located on the lower surface of the wear-resistant alloy layer, the fixed end portions are arranged at the two ends of the supporting body, the bayonet is arranged on the lower side of each fixed end portion, and the buffer layer is arranged on the lower sides of the end portions, located on the two side edges of the transverse direction of the bayonet, of the fixed end portions.

In a further preferred embodiment of the above solution, the supporting blocks are disposed at the lower side of the fixed end and located at the edges of the front and rear sides of each bayonet, the supporting body is located in the space between the upper side of the supporting block and the lower surface of the wear-resistant alloy layer, and the buffer layer is disposed at the bottom of the supporting block at the two sides of the bayonet.

In a further preferred embodiment of the above scheme, support ribs extending in the horizontal direction are provided along the side walls of both sides of the support body and in the space between the upper side of the support block and the lower surface of the wear-resistant alloy layer.

In a further preferred embodiment of the above solution, the cross-sectional areas of the support ribs are symmetrically arranged on the side walls of the two sides of the support body in a Y-shape.

In a further preferable mode of the above scheme, a buffer layer is embedded outside the supporting block, and the thickness of the buffer layer is not less than 3mm.

According to a further preferred mode of the scheme, the upper surface of the fixed end portion is provided with a supporting surface lower than the upper surface of the screen bar body, and the supporting surface is provided with a buffering lining rubber.

The above scheme is further preferred, the cushion rubber lining is embedded in the support surface, the height of the plane of the cushion rubber lining is lower than the upper surface of the screen bar body, and the thickness of the cushion rubber lining is not less than 2mm.

In a further preferable mode of the above scheme, the outer wall of the support rib is provided with a wear-resistant lining rubber with a thickness not less than 3mm.

In summary, because the invention adopts the above technical scheme, the invention has the following technical effects:

(1) The utility model discloses a grating simple structure is reasonable, and the superiors are the wearing layer, adopt the preparation of wear-resisting alloy material, and hardness is high, and the wearability is good, has better impact toughness simultaneously, and the two combines organically, promotes grating life greatly, reduces cost of maintenance.

(2) The utility model discloses a grating is in the installation and is used, and its structure not only can absorb partial impact force energy, can make the impact force reduce by a wide margin after the shock attenuation buffering moreover, and the bolt that lets the fastening grating can not become flexible, still increases drum log washer bulk strength and has improved drum log washer and grating life.

(3) The utility model discloses a ribbon is in the installation and is in the use, and the ore is the rigid contact with ore dressing ribbon first layer alloy steel part, and the ore strikes effort on the ore dressing ribbon, and on reacting totally to the ore, be favorable to shaking mud on the ore that falls, let the mud group disperse easily simultaneously, can make drum washer ore washing machine ore cleaner after the washing fast, it is lower to contain mud.

Drawings

FIG. 1 is a schematic view of the general construction of a cylindrical washer screen bar of the present invention;

FIG. 2 is a schematic representation of a general cross-sectional view of a cylindrical washer screen bar of the present invention;

FIG. 3 isbase:Sub>A schematic view of the structure of FIG. 2 in direction A-A;

FIG. 4 is a schematic view of the structure in the direction B-B of FIG. 2;

FIG. 5 is a schematic view of the structure of FIG. 2 in the direction C-C;

fig. 6 is a schematic view of the installation structure of the screen bar body in the cylindrical ore separator of the present invention;

FIG. 7 isbase:Sub>A schematic view of the inner structure of the direction A-A of FIG. 6;

in the drawing, the screen bar body 1, the arc screen bar clamping seat 2, the screen bar pressing plate 3, the bayonet 10, the supporting block 11, the clamping groove 20, the connecting bolt 30, the wear-resistant alloy layer 101, the supporting layer 102, the supporting body 103, the supporting rib 104, the fixed end 105, the buffer layer 106, the wear-resistant lining rubber 107, the supporting surface 120 and the buffer lining rubber 121.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, according to the beneficiation screen strip of the cylindrical ore washer provided by the present invention, the beneficiation screen strip includes a screen strip body 1, bayonets 10 are arranged at two ends of the screen strip body 1, the beneficiation screen strip 1 is composed of an abrasion-resistant alloy layer 101, a support layer 102 and a buffer layer 106, which are sequentially formed from top to bottom, the bayonets 10 are arranged at two ends of the support layer 102, and the buffer layer 106 is embedded in the support layer 102 at two sides of the bayonets 10; the supporting layer 102 includes a supporting body 103 and fixed end portions 105, the supporting body 103 is located on the lower surface of the wear-resistant alloy layer 101, the fixed end portions 105 are arranged at two ends of the supporting body 103, the bayonet 10 is arranged at the lower side of each fixed end portion 105, the buffer layers 106 are arranged at the lower sides of the end portions located at the fixed end portions 105 and at the edges of two sides in the transverse direction of the bayonet 10, and the fixed end portions 105 of the screen band body 1 are clamped in the clamping grooves 20 of the arc-shaped screen band clamping seats 2 through the bayonets 10.

In the present invention, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the supporting blocks 11 extending horizontally outward are disposed on the front and rear edges of each bayonet 10 at the lower side of the fixing end 105, the supporting body 103 is disposed in the space between the upper side of the supporting block 11 and the lower surface of the wear-resistant alloy layer 101, and the buffer layer 106 is disposed at the bottom of the supporting block 11 at both sides of the bayonet 10. The supporting block 11 sets up in the lateral wall of the support layer 102 both sides of ore dressing grate bar 1 and is located and sets up outside level protrusion on the front and back both sides edge of every bayonet socket 10, and the bayonet socket 10 block of fixed tip 105 lower surface is in draw-in groove 20 of arc grate bar cassette 2, and the supporting leg 11 of bayonet socket 10 both sides is used for contacting with drum washer backing ring inside lining, makes the grate bar cassette 2 can further carry on spacingly to the grate bar body 1, prevents that the grate bar body 1 from taking place to remove receiving impact in-process the outside embedding of supporting block 11 sets up one deck buffer layer 106, and the thickness of this buffer layer 106 is not less than 3mm, preferably 10mm, and the buffer layer 106 lower surface of supporting leg 11 contacts with the backing ring inside lining of drum washer, not only can increase the support contact surface of grate bar body 1, still guarantees that supporting leg 11 has sufficient intensity, supports the grate bar body 1, guarantees that the grate bar body 1 has sufficient intensity, stands several kilograms of heavy mine mountain and constantly assaults, and can absorb most ore impact force.

In the present invention, as shown in fig. 1, fig. 2 and fig. 5, the supporting layer 102 is composed of a supporting body 103 and a fixed end 105 which are integrally formed, and a supporting rib 104 extending in a horizontal direction is provided in a space between the upper side of the supporting block 11 and the lower surface of the wear-resistant alloy layer 101 along the side walls of both sides of the supporting body 103. The cross-sectional area of the support rib 104 is Y-shaped and symmetrically arranged on the side walls of the two sides of the support body 103, the outer wall of the support rib 104 is provided with wear-resistant lining rubber 107 not less than 3mm, the thickness of the wear-resistant lining rubber 107 is preferably 10mm, the wear-resistant lining rubber 107 can enhance the wear-resistant buffering effect of the surface of the screen bar body 1, the side surface of the screen bar body 1 can be protected from ore impact in the ore washing and screening process, and the abrasion of the screen bar is reduced. Set up support rib 104 on the both sides lateral wall of grating body 1 and along the Y font space runs through, finally by support rib 104, supporter 103 and fixed tip 105 form jointly and constitute support layer 102, this kind of support layer 102 structural design not only can absorb partial impact force energy, guarantee to support layer 102 and can strengthen the support intensity of grating body 1, guarantee that grating body 1 has sufficient intensity, not only stand up several hundred kilograms of heavy mines mountain and constantly strike, can also reduce the wearing and tearing to the grating.

The utility model discloses in, as shown in fig. 1, fig. 2 and fig. 5, have the holding surface 120 that is less than the upper surface of grating body 1 on the upper surface of fixed tip 105, be provided with buffering rubber lining 121 at holding surface 120, wherein, buffering rubber lining 121 imbeds and sets up in holding surface 120, and the plane height of buffering rubber lining 121 is less than the upper surface of grating body 1, and the thickness of buffering rubber lining 121 is not less than 2mm.

In the utility model, with reference to fig. 1 to 7, the cross section of the fixing end 105 is rectangular, the wear-resistant alloy layer 101 of the screen bar body 1 is made of high-chromium wear-resistant alloy material, so that the screen bar has high hardness, good wear resistance and good impact toughness, and the two are organically combined, thereby greatly prolonging the service life of the mineral separation screen bar; the ore is firstly contacted with a rigid material, and the ore is in rigid contact with the screen bars, so that the acting force of the ore impacting the wear-resistant alloy ore dressing screen bars 1 can be completely reflected to the ore, the ore and mud are easily separated, the ore can be quickly cleaned by a cylindrical ore washer, the mud content is lower, the wear-resistant alloy layer 101 with high hardness not only ensures that the screen bar body 1 can not crack and break when being subjected to the strong impact force of large ore blocks, but also ensures that the service life of the screen bar body 1 exceeds more than 12 months and is 5-8 times of that of the rubber track steel screen bars; the supporting body 103 of the supporting layer 102 is made of ordinary Q235 steel, so that the supporting strength is high enough, the toughness of the Q235 steel is good, and a part of ore impact force can be absorbed, the buffer layer 106 is made of high-quality rubber, the buffer layer 106 of the beneficiation screen bar body 1 is in contact with the inner wall of a cylinder washer, specifically, the buffer layer 103 of the supporting leg 11 is supported and fixed on the inner wall of the cylinder washer and is in contact with a backing ring lining of the cylinder washer, so that most of the ore impact force can be absorbed; as shown in fig. 1, 6 and 7, a layer of cushion rubber 121 is disposed on the upper surface of the supporting surface 120 of the fixing end portion 105, the screen bar pressing plate 3 and the supporting surface 120 can make cushion contact through the cushion rubber 121, and the screen bar pressing plate 3 is connected with the cylindrical ore washer through the connecting bolt 30, so that the screen bar body 1 is tightly pressed and fixed on the cylindrical ore washer; the large impact force of the M20 connecting bolt 30 transmitted to the screen bar pressing plate is small due to the fact that the screen bar body 1 absorbs most of ore impact force, the connecting bolt 30 can be guaranteed not to loosen and fall off after being installed for more than one year, high-quality rubber buffer lining rubber 121 is laid on the upper surface of the supporting surface 120 of the fixing end portion 105 of the contact portion of the screen bar pressing plate 3, the contact area of the screen bar pressing plate 3 and the screen bar body 1 can be increased, and the screen bar pressing plate 3 can tightly press the screen bars; and make the impact force reduce by a wide margin after buffering through buffering line rubber 121 and buffer layer 106 shock attenuation to when guaranteeing that the ore dressing grizzly bar and stand the bold ore and strike, the ore dressing grizzly bar can not become flexible or slightly rotate, has not only increased the bulk strength of grizzly bar body installation, has still improved the life of ore dressing grizzly bar and drum washer.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a drum log washer ore dressing sieve bar which characterized in that: the mineral separation screen bar comprises a screen bar body, bayonets are arranged at two ends of the screen bar body, the mineral separation screen bar consists of a wear-resistant alloy layer, a supporting layer and a buffer layer which are sequentially formed from top to bottom, the bayonets are arranged at two ends of the supporting layer, and the buffer layer is embedded in the supporting layer at two sides of the bayonets;

the supporting layer comprises a supporting body and fixed end portions, the supporting body is located on the lower surface of the wear-resistant alloy layer, the fixed end portions are arranged at two ends of the supporting body, the bayonets are arranged on the lower sides of the fixed end portions, and the buffer layers are arranged on the lower sides of the end portions, located at the fixed end portions, of two side edges in the transverse direction of the bayonets.

2. The mineral processing screen bar of a cylindrical washer according to claim 1, characterized in that: supporting blocks which transversely extend outwards and horizontally are arranged on the lower sides of the fixed end parts and located on the edges of the front side and the rear side of each bayonet, the supporting bodies are located in the space between the upper portions of the supporting blocks and the lower surface of the wear-resistant alloy layer, and the buffer layers are arranged at the bottoms of the supporting blocks on the two sides of the bayonets.

3. The mineral processing screen bar of a cylindrical washer according to claim 2, characterized in that: and support ribs extending in the horizontal direction are arranged in the space between the upper part of the support block and the lower surface of the wear-resistant alloy layer along the side walls of the two sides of the support body.

4. A cylindrical washer mill screen bar according to claim 3, characterized in that: the cross-sectional areas of the support ribs are symmetrically arranged on the side walls of the two sides of the support body in a Y shape.

5. A cylindrical washer mill screen bar according to claim 2 or 3, wherein: and a buffer layer is embedded outside the supporting block, and the thickness of the buffer layer is not less than 3mm.

6. The cylindrical washer mill run screen bar of claim 1, wherein: the upper surface of the fixed end part is provided with a supporting surface lower than the upper surface of the screen bar body, and the supporting surface is provided with a cushion rubber lining.

7. The cylindrical washer mill run screen bar of claim 6, wherein: the cushion rubber lining is embedded into the support surface, the height of the plane of the cushion rubber lining is lower than the upper surface of the screen bar body, and the thickness of the cushion rubber lining is not lower than 2mm.

8. The cylindrical washer mill run screen bar of claim 4, wherein: the outer wall of the support rib is provided with wear-resistant lining rubber not less than 3mm.