CN212663742U

CN212663742U - Feeding mechanism for barrel of sand mill

Info

Publication number: CN212663742U
Application number: CN202020714490.2U
Authority: CN
Inventors: 章恒兴; 童伟; 郭淑飞
Original assignee: Alc Minerals Technology Co ltd
Current assignee: Alc Minerals Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-09
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a sand mill barrel feed mechanism, including the barrel, connect in the barrel front end housing of barrel front end, connect in the barrel rear end cap of barrel rear end, its characterized in that, the barrel front end housing includes the end cover main part, and the center of end cover main part is provided with the center shaft hole that is used for the center pin to walk, sets up a feed inlet in the end cover main part, and feed inlet department connects charge-in pipeline. The utility model mainly aims at the defects of the feeding part of the prior cylinder body, the position of the feeding hole is arranged on the end cover flange at the front end of the cylinder body, so that the abrasion of the feeding hole in the ore grinding process can be reduced, and the impact of materials on the stirring device can be avoided; even if the feed port is abraded, the feed port can be independently replaced without replacing the cylinder body; and, when dismantling the barrel, need not to dismantle the inlet pipe, can remove the barrel, reduce work load.

Description

Feeding mechanism for barrel of sand mill

Technical Field

The utility model belongs to the sand mill field, concretely relates to sand mill barrel feed mechanism.

Background

During ore grinding operation, raw materials enter the barrel from a feeding hole in the barrel, and the barrel is a main place for ore grinding operation. The feed inlet of the existing sand mill barrel is positioned on the barrel and is fixed for welding. Slurry enters the barrel from the inlet pipe through the inlet opening, and during operation, the ore grinding movement running at a high speed can generate serious frontal impact on the inlet opening of the barrel, so that the inlet opening is easy to damage, and the service life of the whole barrel is influenced. In contrast, material falling vertically from the feed inlet can also impact and damage the stirring device. In addition, when dismantling the barrel, just can move the barrel after the inlet pipe is together dismantled earlier, increase work load.

The existing sand mill cylinder is of a steel cylinder and rubber lining integrated structure, and the rubber lining is adhered to the inner wall of the cylinder. After the lining rubber in the cylinder is abraded after multiple ore grinding operations, the whole cylinder needs to be replaced, the replaced old cylinder is discarded or returned to a factory to be lined with rubber again, and the use cost of the cylinder is high.

Disclosure of Invention

The utility model discloses mainly to the defect that the feed position of current barrel exists, invented a sand mill barrel feed mechanism, set up the feed inlet position on the end cover flange of barrel front end, can reduce the wearing and tearing of feed inlet in the process of grinding ore deposit, can also avoid the impact of material to the agitating unit; even if the feed port is abraded, the feed port can be independently replaced without replacing the cylinder body; and, when dismantling the barrel, need not to dismantle the inlet pipe, can remove the barrel, reduce work load.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a sand mill barrel feed mechanism, includes the barrel, connects in the barrel front end housing of barrel front end, connects in the barrel rear end cap of barrel rear end, its characterized in that, the barrel front end housing includes the end cover main part, and the center of end cover main part is provided with the center shaft hole that is used for the center pin to walk, and the upper portion of end cover main part sets up a feed inlet, and feed inlet department connects charge-in pipeline.

The inlet of the feeding pipeline is positioned at the upper end and faces upwards vertically, and the outlet of the feeding pipeline is positioned at the lower end and is horizontally connected to the feeding hole on the end cover main body; the feeding pipeline is formed by connecting a first bent pipe positioned at the upper part and a second bent pipe positioned at the lower part end to end, and is bent vertically in three sections and is approximately Z-shaped; the first bending pipe and the second bending pipe are both L-shaped pipes.

Preferably, the adjusting mechanism comprises an adjusting opening located at the bending part of the second bending pipe, the adjusting opening is provided with a section of threaded pipeline, and the threaded pipeline is in threaded connection with the cover body.

Preferably, a circle of circumferentially arranged fixing holes are formed in the position, close to the edge, of the front end cover of the cylinder body; the barrel rear end cover comprises an end cover main body, a central shaft hole for a central shaft to pass through is formed in the center of the end cover main body, and a circle of fixing holes which are circumferentially arranged are formed in the position, close to the edge, of the barrel rear end cover.

Preferably, the cylinder body comprises a first half cylinder body and a second half cylinder body which are spliced in half and detachably connected, a cylindrical rigid lining clung to the cylinder body is arranged in the cylinder body, and a flexible lining layer covers the inner side wall surface of the rigid lining; the rigid lining is a cylindrical steel ring; the flexible inner lining layer is arranged as a lining glue layer. The rubber lined steel plate synthesized by the rigid lining and the flexible lining has light weight and low cost.

Preferably, the edge of the side wall of the splicing part of the first half cylinder body is provided with a first fastening folding edge which extends outwards relatively to the vertical direction, and the first fastening folding edge is provided with a plurality of fastening holes which are distributed at intervals; two ends of the first semi-cylinder body are provided with semi-annular first end part fastening rings, and a plurality of fastening holes are formed in the first end part fastening rings; the edge of the side wall of the splicing part of the second half cylinder body is provided with a second fastening folding edge which extends outwards relatively to the vertical direction, and the second fastening folding edge is provided with a plurality of fastening holes which are distributed at intervals; and the two ends of the second semi-cylinder body are provided with semicircular second end fastening rings, the second end fastening rings are provided with a plurality of fastening holes, and the first end fastening ring and the second end fastening ring can be spliced into a complete end fastening ring.

Preferably, the inner side wall surface of the first half cylinder body close to the splicing part is provided with a first limiting groove which is relatively concave, and the first limiting groove extends from one end of the first half cylinder body to the other end; the inner side wall surface of the second half cylinder body close to the splicing part is provided with a second limiting groove which is relatively concave inwards, and the second limiting groove extends from one end of the second half cylinder body to the other end; the first limiting groove and the second limiting groove can be spliced to form a complete limiting groove which is relatively concave inwards. First spacing groove and second spacing groove are used for spacing the rigidity inside lining, and the external diameter of rigidity inside lining slightly is less than the internal diameter of barrel, and the rigidity inside lining is installed after the barrel is inside, need carry out certain degree location to the rigidity inside lining, avoids producing relative motion between rigidity inside lining and the barrel among the ore grinding operation process and causes the damage.

Preferably, the two outer side wall surfaces of the rigid lining, which are opposite in position, are provided with limiting ribs which protrude outwards relatively and correspond to the splicing parts of the first limiting groove and the second limiting groove, the limiting ribs extend from one end of the rigid lining to the other end, and the limiting ribs can be correspondingly embedded into the limiting grooves formed by splicing the first limiting groove and the second limiting groove; the cylinder and the rigid lining are clamped in a concave-convex manner to form limit.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model arranges the feed inlet on the end cover flange at the front end of the cylinder body, which can reduce the abrasion at the feed inlet in the ore grinding process, and can independently replace the feed inlet without replacing the cylinder body even if the feed inlet is abraded; in addition, when the barrel is disassembled, the barrel can be removed without disassembling the feeding pipe, so that the workload is reduced; the cylinder body of the utility model is designed in two halves, and is composed of a first half cylinder body and a second half cylinder body which are spliced in half and half, thereby being convenient to disassemble; the spliced cylinder body is internally provided with the rigid lining and the flexible lining which are synthesized into the rubber lining steel ring, when the rubber lining is abraded, the two half cylinder bodies only need to be disassembled in half, and the rubber lining steel ring is replaced, so that the rubber lining steel ring is light in weight, low in cost and easy to replace, the cylinder body is protected, and the use cost of the cylinder body is reduced; the utility model discloses spacing muscle with the help of the spacing groove of barrel inner wall and rigidity inside lining outer wall forms the concave-convex block and fixes a position, avoids producing relative motion between ore grinding operation in-process rigidity inside lining and the barrel and causes the damage.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front view of the front end cover of the barrel of the present invention;

fig. 3 is a front view of the cartridge of the present invention;

figure 4 is a cross-sectional end view of the cartridge of the present invention;

fig. 5 is a schematic diagram of the limiting structure of the cylinder and the rigid lining of the present invention.

The reference numbers in the figures are: 1. a barrel; 11. a first half cylinder; 12. a second half cylinder; 13. a first fastening flange; 14. a first end fastening ring; 15. a second fastening flange; 16. a second end fastening ring; 2. a front end cover of the cylinder body; 20. a central shaft hole; 21. a feed inlet; 22. a feed conduit; 3. a rear end cover of the cylinder body; 4. a rigid liner; 41. limiting ribs; 5. a flexible inner liner layer; 61. a first limit groove; 62. a second limit groove; 71. a first engaging member; 72. a second engaging member.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1, 2, 3, 4 and 5, a feeding mechanism for a sand mill cylinder is mainly composed of a cylinder 1, a cylinder front end cover 2 and a cylinder rear end cover 3, wherein the feeding mechanism is arranged on the cylinder front end cover 2.

The main body of the cylinder body is a hollow cylindrical cylinder body which is penetrated axially, and the cylindrical cylinder body is formed by connecting a first half cylinder body 11 and a second half cylinder body 12 in a half-and-half split mode, wherein the first half cylinder body 11 is arranged below the second half cylinder body 12.

The side wall edges of two sides of the splicing part of the first half cylinder body 11 are provided with first fastening folding edges 13 which extend outwards relatively vertically, the first fastening folding edges 13 extend from one end to the other end of the first half cylinder body 11, and the first fastening folding edges 13 are provided with a plurality of fastening holes which are arranged at intervals; meanwhile, the first half cylinder 11 has semi-circular first end fastening rings 14 at both ends thereof, the first end fastening rings 14 extend perpendicularly outward relative to the end edge of the first half cylinder 11, and the first end fastening rings 14 have a plurality of fastening holes.

The side wall edges at two sides of the splicing part of the second half cylinder body 12 are provided with second fastening folding edges 15 which extend outwards relatively vertically, the second fastening folding edges 15 extend from one end to the other end of the second half cylinder body 12, and the second fastening folding edges 15 are provided with a plurality of fastening holes which are distributed at intervals; meanwhile, both ends of the second half cylinder 12 are provided with semicircular second end fastening rings 16, the second end fastening rings 16 vertically extend outwards relative to the end edges of the second half cylinder 12, and the second end fastening rings 16 are provided with a plurality of fastening holes.

When the first half cylinder 11 and the second half cylinder 12 are connected in a splicing manner, the first fastening flange 13 and the second fastening flange 15 are tightly attached, and fasteners such as bolts and nuts are connected in the aligned fastening holes to form detachable connection.

The splicing parts of the first end fastening rings 14 at the two ends of the first half cylinder body 11 are provided with first clamping pieces 71 which are concave relatively and in an isosceles trapezoid shape, the splicing parts of the second end fastening rings 16 at the two ends of the second half cylinder body 12 are provided with second clamping pieces 72 which are convex relatively and in an isosceles trapezoid shape, when the first half cylinder body 11 is spliced with the second half cylinder body 12, the first end fastening rings 14 and the second end fastening rings 16 are spliced into a complete end fastening ring, the first clamping pieces 71 and the second clamping pieces 72 form concave-convex clamping, and the corresponding cylinder front end cover 2 and the corresponding cylinder rear end cover 3 are connected onto the complete end fastening ring in a splicing manner. The first engaging member 71 and the second engaging member 72 can be formed in other shapes, such as a semi-circular shape, an oval shape, a rectangular shape, a triangular shape, etc.

A layer of rigid lining 4 clinging to the cylindrical barrel of the barrel is installed in the barrel, the rigid lining 4 is a steel ring, a layer of flexible lining layer 5 covers the inner side wall surface of the rigid lining 4, the flexible lining layer 5 is a lining glue layer, and a lining glue steel ring is installed in the barrel.

The inner side wall surface of the first half cylinder body 11 close to the splicing part is provided with a first limiting groove 61 which is relatively concave, the two first limiting grooves 61 which are relatively concave extend from one end to the other end of the first half cylinder body 11, and the cross section of each first limiting groove 61 is in a quarter-arc shape; the inner side wall surface of the second half cylinder 12 close to the splicing part is provided with a second limiting groove 62 which is relatively concave, the two second limiting grooves 62 extend from one end of the second half cylinder 12 to the other end, and the section of each second limiting groove 62 is in the shape of a quarter of circular arc; after the first half cylinder 11 and the second half cylinder 12 are spliced, the first limiting groove 61 and the second limiting groove 62 are correspondingly spliced to form a complete semi-arc-shaped limiting groove which is relatively concave inwards.

Simultaneously, have the spacing muscle 41 of a relative evagination in two relative outside wall surfaces in position of rigid liner 4 and correspond first spacing groove 61 and the amalgamation position of second spacing groove 62, the cross-section of spacing muscle 41 is half circular arc, and spacing muscle 41 extends to the other end from the one end of rigid liner 4, and spacing muscle 41 can correspond to imbed by first spacing groove 61 and the second spacing groove 62 amalgamation in the half circular arc's that constitutes spacing groove. The cylinder body and the rigid lining 4 are clamped and positioned, and damage caused by relative movement between the rigid lining 4 and the cylinder body in the ore grinding operation process is avoided.

The upper part of the end cover main body of the cylinder front end cover 2 is provided with a feed inlet 21, and the feed inlet 21 is connected with a bent feed pipeline 22; the inlet of the feeding pipeline 22 is positioned at the upper end and faces upwards vertically, and the outlet of the feeding pipeline 22 is positioned at the lower end and is horizontally connected to the feeding hole 21 on the end cover main body; the feeding pipe 22 is formed by connecting a first bent pipe located at the upper part and a second bent pipe located at the lower part end to end, the first bent pipe is an L-shaped bent pipe with two sections, and the second bent pipe is an L-shaped bent pipe with two sections.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a sand mill barrel feed mechanism, includes barrel (1), connects in barrel front end housing (2) of barrel front end, connects in barrel rear end cap (3) of barrel rear end, its characterized in that, the barrel front end housing includes the end cover main part, and the center of end cover main part is provided with center shaft hole (20) that are used for the center pin to walk through, sets up a feed inlet (21) in the end cover main part, and feed inlet department connects charge-in pipeline (22).

2. The sander bowl feed mechanism of claim 1, wherein the inlet of the feed conduit is located at an upper end and faces vertically upward and the outlet is located at a lower end and connects horizontally to the feed inlet on the end cap body; the feeding pipeline is formed by connecting a first bent pipe positioned at the upper part and a second bent pipe positioned at the lower part end to end.

3. The sand mill cylinder feeding mechanism according to claim 1 or 2, wherein a circle of circumferentially arranged fixing holes are arranged at the position, close to the edge, of the cylinder front end cover; the barrel rear end cover comprises an end cover main body, a central shaft hole for a central shaft to pass through is formed in the center of the end cover main body, and a circle of fixing holes which are circumferentially arranged are formed in the position, close to the edge, of the barrel rear end cover.

4. The sand mill cylinder feeding mechanism according to claim 3, characterized in that the cylinder comprises a first half cylinder (11) and a second half cylinder (12) which are half-spliced and detachably connected, a cylindrical rigid lining (4) clinging to the cylinder is arranged in the cylinder, and the inner side wall surface of the rigid lining is covered with a flexible lining layer (5); the rigid lining is a cylindrical steel ring; the flexible inner lining layer is arranged as a lining glue layer.

5. The sand mill cylinder feeding mechanism according to claim 4, wherein the side wall edge of the splicing part of the first half cylinder is provided with a first fastening folding edge (13) which extends outwards relatively to the vertical direction, and a plurality of fastening holes are arranged at intervals on the first fastening folding edge; two ends of the first semi-cylinder body are provided with semi-annular first end part fastening rings (14), and a plurality of fastening holes are formed in the first end part fastening rings; the edge of the side wall of the splicing part of the second half cylinder body is provided with a second fastening folding edge (15) which extends outwards relatively to the vertical direction, and a plurality of fastening holes which are distributed at intervals are arranged on the second fastening folding edge; and the two ends of the second semi-cylinder body are provided with semicircular second end fastening rings (16), the second end fastening rings are provided with a plurality of fastening holes, and the first end fastening ring and the second end fastening ring can be spliced into a complete end fastening ring.

6. The sand mill cylinder feeding mechanism according to claim 5, wherein the inner side wall surfaces of the first half cylinder body close to the splicing part are respectively provided with a first limiting groove (61) which is relatively concave, and the first limiting grooves extend from one end to the other end of the first half cylinder body; a second limiting groove (62) which is relatively concave is formed in the inner side wall surface of the second half cylinder body close to the splicing part, and the second limiting groove extends from one end of the second half cylinder body to the other end; the first limiting groove and the second limiting groove can be spliced to form a complete limiting groove which is relatively concave inwards.

7. The sand mill cylinder feeding mechanism according to claim 6, wherein the two outer side wall surfaces of the rigid lining, which are opposite in position, are provided with relatively convex limiting ribs (41) corresponding to the splicing parts of the first limiting groove and the second limiting groove, the limiting ribs extend from one end of the rigid lining to the other end, and the limiting ribs can be correspondingly embedded into the limiting grooves formed by splicing the first limiting groove and the second limiting groove.

8. The sand mill cylinder feeding mechanism according to claim 7, wherein the first half cylinder is provided with a first engaging member (71) which is relatively concave or convex at the splicing part of the first end fastening ring at the two ends of the first half cylinder, the second half cylinder is provided with a second engaging member (72) which is relatively convex or concave at the splicing part of the end fastening ring at the two ends of the second half cylinder, and when the first half cylinder and the second half cylinder are spliced and connected, the first engaging member and the second engaging member form a concave-convex clamping.