CN210357515U

CN210357515U - Feeding device of mill

Info

Publication number: CN210357515U
Application number: CN201921088683.5U
Authority: CN
Inventors: 刘长青; 程怡泉; 姚书俊; 刘国林; 韩清清; 孟凡伟
Original assignee: Tongling Nonferrous Metals Group Co Ltd
Current assignee: Tongling Nonferrous Metals Group Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-21
Anticipated expiration: 2029-07-11

Abstract

The utility model provides a mill feeder, including that baffle box and baffle box that the bottom is connected on moving vehicle frame are whole to be the slant and arrange, the tank bottom and/or the wear-resisting welt of cell wall department dismantlement formula fixedly connected with of baffle box, the tank bottom of the vallecular cavity that wear-resisting welt encloses is flat shape. Among the above-mentioned scheme, the baffle box that moves on it when moving the frame and removing, move to the cooperation and move the feed inlet department with the mill, or keep away from in the mill for the equipment maintenance etc. provides the operation space, under the guide of baffle box of cell type shape, because the setting up of wear-resisting welt has guaranteed that the guide face is the plane, the material of having avoided the easy appearance of pipe form guide among the prior art gathers together and the jam phenomenon that leads to middle bottom, and combine the dismantlement formula fixed connection between the tank bottom of wear-resisting welt and baffle box and/or the cell wall, in case the serious condition of wearing and tearing can conveniently change appears, just so avoided the problem of whole change baffle box.

Description

Feeding device of mill

Technical Field

The utility model relates to a feeder specifically says that the feeder of mill.

Background

At present, the semi-autogenous mill is mainly used for grinding ores, rocks and other suitable grinding materials with various hardness in a wet process and is widely applied to the industries of non-ferrous metal and slag mineral separation, metallurgy, building and the like. At home and abroad, copper slag mineral separation is generally an ore grinding system formed by combining a semi-autogenous mill and a ball mill, after a copper slag material is crushed by a jaw crusher, the granularity of a crushed product is generally less than or equal to 180mm, the crushed product is conveyed to the semi-autogenous mill by a rubber belt conveyor, a feeding trolley is arranged between the rubber belt conveyor and a feeding port of a cylinder body of the semi-autogenous mill, the feeding trolley is arranged to ensure the conveying of the material on one hand, and the feeding trolley is required to be capable of moving to the side when the mill is maintained on the other hand. As the name implies, the feed trolley comprises a material-conducting portion and a travelling trolley portion connected to the conducting portion. The guide part is a material guide pipe which is obliquely arranged, the upper end of the material guide pipe is a material receiving head with a large upper part and a small lower part, and the material guide pipe is basically in a circular pipe shape, as shown in figures 1 and 2.

During the material is led from semi-autogenous mill feed dolly and is sent to semi-autogenous mill barrel, grind the ore deposit, copper smelting slag has the great, the high characteristic of difficult coefficient of grinding of hardness, leads to semi-autogenous mill's feed arrangement to have following defect: 1. the ore feeding amount is increased, the ore feeding granularity is relatively large, the shape of the ore is irregular, and the probability that the ore blocks a feeding device of the semi-automatic mill is increased; 2. the ore materials are conveyed to the feeding trolley by the belt conveyor, the thrown ore generates larger impact force on the discharging point of the feeding trolley and goes out of the lining plate, and meanwhile, the device regularly or randomly maintains the operation normally due to the fact that abrasion cannot be avoided. Bolts for fixing the lining plate of the feeding trolley are abraded to a great extent, so that the bolts are loosened, and further the feeding trolley seriously leaks sand and water; 3. when the feeding trolley of the semi-autogenous mill is maintained, the lining plates are complex to disassemble and install, time and labor are wasted, the maintenance progress is slow, and the working efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a semi-autogenous mill feeder reduces the material and leads and send the route jam probability, prolongs the life of welt.

In order to realize the purpose, the utility model adopts the following technology: the utility model provides a mill feeder, includes that the baffle box and the baffle box of bottom connection on moving vehicle frame are whole to be the slant and arrange, and the tank bottom of baffle box and/or cell wall department dismantlement formula fixedly connected with wear-resisting welt, the tank bottom of the vallecular cavity that wear-resisting welt encloses is flat shape.

Among the above-mentioned scheme, the baffle box that moves on it when moving the frame and removing, move to the cooperation and move the feed inlet department with the mill, or keep away from in the mill for the equipment maintenance etc. provides the operation space, under the guide of baffle box of cell type shape, because the setting up of wear-resisting welt has guaranteed that the guide face is the plane, the material of having avoided the easy appearance of pipe form guide among the prior art gathers together and the jam phenomenon that leads to middle bottom, and combine the dismantlement formula fixed connection between the tank bottom of wear-resisting welt and baffle box and/or the cell wall, in case the serious condition of wearing and tearing can conveniently change appears, just so avoided the problem of whole change baffle box.

Drawings

Fig. 1 and 2 are a perspective view and a sectional view of a guide tube in the related art, respectively;

fig. 3 and 4 are a perspective view and a sectional view of the present invention, respectively;

fig. 5 and 6 are respectively a three-dimensional body of the utility model in the use state;

fig. 7 is a schematic view of the structure of the open groove 11.

Detailed Description

Referring to the attached drawings 3 and 4, the feeding device of the mill comprises a guide chute 10 with the bottom connected to a movable frame 20, wherein the guide chute 10 is integrally and obliquely arranged, a wear-resistant lining plate is detachably and fixedly connected to the chute bottom and/or the chute wall of the guide chute 10, and the chute bottom of a chute cavity enclosed by the wear-resistant lining plate is flat-bottom.

Among the above-mentioned scheme, the tank bottom of the vallecular cavity that wear-resisting welt encloses has guaranteed the tiling state landing of material for flat shape, mainly reduces the probability that the baffle box was blockked up to the ore material, reduces and causes semi-autogenous mill shut down time because of blockking up, improves mill production efficiency, as the loss piece, only need to change wear-resisting welt can, wherein lie in the wear-resisting welt of baffle box tank bottom position blanking point department and need short period change, the other position antifriction plate of tank bottom needs longer period to change, a large amount of consumptive materials and maintenance duration have been practiced thrift like this.

Preferably, the front section of the lower end of the material guiding chute 10 is an open slot 11 with an upward slot opening, the slot opening of the material guiding chute 10 at the rear section of the open slot 11 is provided with an upper shroud plate 12, and the upper end of the upper shroud plate 12 and the upper end of the material guiding chute 10 are connected with the lower part and the side part of the feeding hopper 40.

In the scheme, in the process of sliding the materials in the guide chute 10, due to the arrangement of the upper coaming 12, the flying of dust and the splashing of muddy water are ensured, and a good operation environment is maintained.

Preferably, the material guiding chute 10 is a trapezoidal groove with a narrow bottom and a wide opening, the wear-resistant lining plate comprises bottom lining plates 50 arranged on the chute bottom of the material guiding chute 10 along the chute length direction, the distance between two sides of each bottom lining plate 50 in the chute width direction is consistent with the chute width, and two sides of the adjacent bottom lining plates 50 perpendicular to the chute length direction are attached to each other.

The wear-resistant lining plate comprises a side wall lining plate 60 arranged on the wall of the material guide groove 10, and the lower edge of the side wall lining plate 60 is pressed on the two edges of the bottom lining plate 50 positioned on the wall side of the groove.

The lower trough end of the material guiding trough 10 is provided with a limit baffle 111, and the upper edge of the limit baffle 111 is lower than or equal to the upper plate surface of the bottom gusset 50.

According to the scheme, the bottom lining plate 50 is pressed and fixed by the lower plate edge of the side wall lining plate 60, the limiting baffle plate 111 has a blocking effect on the front section of the bottom lining plate 50, and the bottom lining plate 50 is not required to be fixed by bolts, so that the efficiency of detaching the bottom lining plate 50 can be improved, and the normal sliding of materials is not hindered.

Referring to fig. 3, 4, 5 and 6, a muddy water baffle 30 is disposed at the rear of the front section of the material guide chute 10, and the muddy water baffle 30 is at least disposed at two sides of the exterior of the material guide chute 10.

In the above scheme, the muddy water baffle 30 can be understood as being arranged at the rear end position of the open slot 11, that is, the use state is as shown in fig. 5, the open slot 11 has completely entered the feed inlet of the mill, and the muddy water baffle 30 is very close to the feed inlet of the mill, so that splashing of muddy water is effectively blocked, and the labor intensity of cleaning staff at post is reduced.

The side wall lining plate 60 is provided with a step hole 61 with a large inner part and a small outer part, and the bolt head of the connecting bolt is positioned at the step hole 61. Nuts which are matched and connected with the bolts of the fixed side wall lining plate 60 are arranged on the outer side of the wall of the material guide groove 10, and the bolt heads are positioned in the stepped holes 61, so that the abrasion and impact deformation degree of the bolt heads can be ensured to be minimum, and the disassembly operation is convenient.

The included angle between the side wall of the guide chute 10 and the vertical plane is 5-10 degrees. The arrangement of the small angle is to make the material guiding groove 10 in a trapezoidal groove shape with the small angle, so that the effective utilization sectional area of the groove cavity is the largest on the premise of ensuring smooth material sliding.

The utility model discloses change the feeding dolly unloading bending shape among the prior art into the straight flute structure of putting to one side, avoided two sections guide route combination departments to be seriously washed away, ground to hit, change the movement track that the ore got into behind the semi-autogenous grinding dolly, reduce the friction between ore and the baffle box, improve the speed that the mineral granule gliding got into semi-autogenous grinding machine to effectively reduce the probability that the ore blockked up the feeding dolly.

Claims

1. The utility model provides a mill feeder, includes that baffle box (10) and baffle box (10) that the bottom is connected on moving vehicle frame (20) wholly are the slant and arrange its characterized in that: the bottom of the guide chute (10) and/or the chute wall is fixedly connected with a wear-resistant lining plate in a detachable mode, and the bottom of a chute cavity enclosed by the wear-resistant lining plate is in a flat bottom shape.

2. A mill feed device as claimed in claim 1, wherein: the front section of the lower end of the guide chute (10) is an open slot (11) with an upward notch, an upper coaming plate (12) is arranged at the notch of the guide chute (10) at the rear section of the open slot (11), and the upper ends of the upper coaming plate (12) and the guide chute (10) are connected with the lower part and the side part of the feed hopper (40).

3. A mill feed device as claimed in claim 1 or 2, wherein: the material guide groove (10) is a trapezoidal groove with a narrow bottom and a wide opening, the wear-resistant lining plate comprises bottom lining plates (50) which are arranged on the bottom of the material guide groove (10) along the groove length direction, the distance between two sides of each bottom lining plate (50) in the groove width direction is consistent with the groove width, and two sides of each adjacent bottom lining plate (50) perpendicular to the groove length direction are attached to each other.

4. A mill feed device as claimed in claim 3, wherein: the wear-resistant lining plate comprises a side wall lining plate (60) arranged at the groove wall of the guide groove (10), and the lower edge of the side wall lining plate (60) is pressed on the two side edges of the bottom lining plate (50) positioned at the groove wall side.

5. A mill feed device as claimed in claim 3, wherein: the lower trough end of the guide chute (10) is provided with a limit baffle (111), and the upper edge of the limit baffle (111) is lower than or equal to the upper plate surface of the bottom lining plate (50).

6. A mill feed device as claimed in claim 1, wherein: the rear part of the front section of the guide chute (10) is provided with a muddy water baffle (30), and the muddy water baffle (30) is at least arranged on two sides of the outer part of the guide chute (10).

7. A mill feed device as claimed in claim 4, wherein: the side wall lining plate (60) is provided with a step hole (61) with a large inside and a small outside, and the bolt head of the connecting bolt is positioned at the step hole (61).

8. The feeding device of the mill according to claim 3, characterized in that the included angle between the side wall of the guide chute (10) cavity and the vertical plane is β -10 °.