Material blockage preventing feeding pipe of ball mill

Abstract

The utility model belongs to the technical field of mineral aggregate grinding equipment, and particularly discloses a material blockage prevention feed pipe of a ball mill, which comprises a base and a barrel, a feed port is arranged at one end of the barrel, a bearing seat is fixedly connected onto the base, a hollow shaft is arranged on the bearing seat, one end of the hollow shaft is rotatably connected with the feed port, and the other end of the hollow shaft is fixedly connected with the barrel. A bearing seat is arranged at one end of the barrel, a feeding pipeline is detachably connected to the bearing seat and communicated with the barrel through a hollow shaft, a discharging valve is connected to the other end of the feeding pipeline through a flange, a box is connected to the other end of the discharging valve through an upper flange, and a motor is arranged on the discharging valve. The discharging valve is arranged at the joint of the feeding pipeline and the box body, so that the uniform discharging effect is achieved, and the problems that after materials enter the pipeline from the box body, due to the fact that the pipeline and the barrel body are connected in an oblique angle mode, the materials are prone to being accumulated and blocked at the corner of the pipeline during discharging, material flowing is blocked, and the discharging effect is poor are solved. And the operation rate of equipment is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to mineral aggregate grinding equipment technical field, concretely relates to a ball mill anti -material blockage feed pipe. BACKGROUND

[0002] The crushing equipment in our country mainly adopts ball mill in the grinding process, only a few factories and mines such as Baotou Steel, Jinduicheng key mine, Dayao copper mine etc. adopt rod mill for coarse grinding of brittle and fragile minerals, and most factories and mines adopt ball mill for coarse grinding or fine grinding. At present, ball mill in our country can be divided into cement ball mill, tubular ball mill, conical ball mill, ceramic ball mill and intermittent, overflow type, lattice type ball mill.

[0003] Ball mill is the key equipment for further grinding after material is crushed, and is one of high fine grinding machines widely used in industrial production. Ball mill has strong adaptability to various properties of materials, such as soft, hard, brittle, flexible, etc. Because ball mill can be made into various sizes, it can meet the requirements of various production capacities, and is easy to adjust and control the fineness of materials. The product particle size is uniform, the mixing effect is good, and it can be operated under different conditions, both dry operation and wet operation. Overflow type ball mill is a wet grinding equipment, mainly composed of cylinder, feed part, discharge part, transmission part, electric control system and other main parts. It is named by overflow discharge, and is commonly used as core equipment in mineral processing production line, and is commonly used in various mineral processing plants. Its main function is grinding, and is commonly used for re-crushing in the later stage. The feed pipe of ball mill is the channel for material to enter the cylinder. Because the material pipe and the cylinder are connected at an angle, the material is prone to accumulate at the corner when entering the corner of the feed pipe from the box, causing blockage and resistance to material flow, thereby affecting the efficiency of the equipment.

[0004] At present, the operator needs to dredge the feed pipe, which requires shutdown and long downtime each time, thereby reducing the grinding efficiency and affecting production organization. Therefore, in order to solve the above problems, the utility model provides a ball mill anti-material blockage feed pipe, which can effectively prevent material from accumulating and blocking at the corner of the feed pipe, thereby achieving the effect of increasing production and efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a ball mill anti-material blockage feed pipe to solve the problem that the material is prone to accumulate and block at the corner during the discharging process after entering the pipe from the box, causing resistance to material flow and low equipment operation rate.

[0006] In order to achieve the above object, the utility model provides a ball mill prevents material blockage's feed pipe, including base and cylinder, one end of cylinder is equipped with feed inlet, the base is fixedly connected with bearing seat, is equipped with hollow shaft on bearing seat, one end of hollow shaft and feed inlet rotationally connected, bearing seat is detachably connected with feed pipe, feed pipe communicates with cylinder through hollow shaft, another end flange of feed pipe is connected with unloading valve, another end flange of unloading valve is connected with box, be equipped with motor on unloading valve.

[0007] The working principle of the utility model lies in: when needing to carry out material polishing, first starting the ball mill, then starting the motor to open the unloading valve, then the material evenly and continuously enters the feed pipe from the box through the unloading valve and flows into the cylinder, then the steel ball and the material in the cylinder rotate with the rotation of the cylinder, after reaching a certain height, the steel ball and the material drop down due to gravity, and the steel ball and the material in the cylinder collide and polish, so that the material can be ground and refined.

[0008] The utility model has the advantages that: the utility model sets an unloading valve at the connecting place of the feed pipe and the box, so that the material can flow evenly from the box into the feed pipe, compared with the ball mill material pipe under the prior art, the design avoids the accumulation and blockage of the material when passing through the corner of the material pipe, so as to solve the problem of low equipment operation rate caused by the blockage of the material flow.

[0009] Scheme two, this is the preferred of basic scheme, hollow shaft is equipped with feed bushing, one end of feed bushing is attached to the inside of hollow shaft, the other end of feed bushing is outwardly folded and attached to bearing seat, feed bushing can protect hollow shaft and reduce the wear of material on hollow shaft.

[0010] Scheme three, this is the preferred of basic scheme, bearing seat and feed pipe flange connection, the outwardly folded part of feed bushing is located between bearing seat and feed pipe, the flange connection of bearing seat and feed pipe can fix the outwardly folded feed bushing, and the detachable flange connection facilitates the replacement of the worn feed bushing.

[0011] Scheme four, this is the preferred of basic scheme, feed bushing is made of rubber material, the elasticity and wear resistance of rubber are better, so that the service life of feed bushing is prolonged.

[0012] Scheme five, this is the preferred of basic scheme, the inner wall of unloading valve is made of polytetrafluoroethylene material, the polytetrafluoroethylene material has good wear resistance and is not easy to adhere to the slurry, is convenient for cleaning, and is suitable for the conveying of wet material.

[0013] Option six is ​​the preferred option of the basic option. Support columns are provided on the feed pipe and the motor. The support columns on the feed pipe and the motor can support them respectively to prevent the motor from shaking when the ball mill is operating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Fig. 1 This is a three-dimensional diagram of a feed pipe for a ball mill that prevents material blockage according to the utility model;

[0015] Fig. 2 This is a schematic diagram of the installation of a hollow shaft and a feed bushing in a feed pipe for preventing material blockage in a ball mill according to the utility model;

[0016] Fig. 3 It is a left view of a feed pipe for preventing material blockage of a ball mill according to the utility model. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below through specific implementation methods:

[0018] The figure marks in the drawings of the specification include: 1. base; 2. cylinder; 3. feed port; 4. bearing seat; 5. hollow shaft; 6. feed pipe; 7. discharge valve; 8. box; 9. motor; 10. feed bushing; 11. support column.

[0019] like Figs. 1 to 3 As shown: A feed pipe for preventing material blockage of a ball mill, comprising a base 1 and a cylinder 2, a feed port 3 being provided on one end of the cylinder 2, a bearing seat 4 being fixedly connected to the base 1, a hollow shaft 5 being provided on the bearing seat 4, a feed bushing 10 being provided on the hollow shaft 5, the feed bushing 10 being made of rubber, one end of the feed bushing 10 being fitted with the inside of the hollow shaft 5, the other end of the feed bushing 10 being folded outwardly and fitted with the bearing seat 4, one end of the hollow shaft 5 being rotatably connected to the feed port 3, the bearing seat 4 being provided with a method for The flange is connected to the feed pipe 6, and the outward folded part of the bushing 10 is located between the bearing seat 4 and the feed pipe 6. The feed pipe 6 is connected to the cylinder 2 through the hollow shaft 5. The other end of the feed pipe 6 is flange-connected to the discharge valve 7. The inner wall of the discharge valve 7 is made of polytetrafluoroethylene. The model of the discharge valve 7 is Speed ​​DN540 star-shaped discharge valve. The other end of the discharge valve 7 is flange-connected to the box 8. The discharge valve 7 is provided with a motor 9, and the feed pipe 6 and the motor 9 are both provided with support columns 11.

[0020] The embodiment of the present application is that when the material is polished, firstly, the ball mill is started, then the motor 9 is started to open the discharge valve 7, then the material is evenly and continuously discharged from the box 8 through the discharge valve 7, enters the feeding pipeline 6 through the feeding bushing 10 on the hollow shaft 4, flows into the cylinder 2 through the feeding port 3, then the steel balls and the material in the cylinder 2 rotate with the rotation of the cylinder 2, after reaching a certain height, the steel balls and the material drop down due to gravity, and the steel balls and the material in the cylinder 2 collide and polish, so that the material is ground and becomes fine; when the feeding bushing 10 on the hollow shaft 4 is frequently rubbed by the material and needs to be replaced due to thinning, firstly, the bolts on the flange connection between the feeding pipeline 6 and the bearing seat 4 are unscrewed, then the feeding pipeline 6 is moved to one side to make the feeding bushing 10 leak out, then the feeding bushing 10 is taken off from the hollow shaft 5, then the feeding bushing 10 is reversed to make the un-worn end located at the end connected with the bearing seat 4 and the feeding pipeline 6, then the feeding bushing 10 is folded outward by seven centimeters, the folded edge is attached to the bearing seat 4, then the mouth of the feeding pipeline 6 is aligned with the hollow shaft 5, then the bolts are respectively threaded through the holes on the flanges of the feeding pipeline 6 and the bearing seat 4, and finally the bolts are tightened to fix.

[0021] The above is only the embodiment of the present application, and the specific structure and characteristics of the scheme and other common knowledge are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and other records in the specification can be used to explain the content of the claims.

Claims

1. A material blocking prevention feed pipe for a ball mill, characterized by, The utility model relates to a kind of feeding device, including base (1) and barrel (2), one end of the barrel (2) is equipped with feed inlet (3), the base (1) is fixedly connected with bearing seat (4), the bearing seat (4) is equipped with hollow shaft (5), the hollow shaft (5) one end and feed inlet (3) rotationally connect, the bearing seat (4) is detachably connected with feed pipe (6), the feed pipe (6) is communicated with barrel (2) by hollow shaft (5), the other end flange of the feed pipe (6) is connected with discharge valve (7), the other end flange of discharge valve (7) is connected with box (8), and motor (9) is equipped on discharge valve (7).

2. A feed pipe for preventing material blockage in a ball mill according to claim 1, characterized in that, The hollow shaft (5) is equipped with feed bushing (10), one end of the feed bushing (10) is attached to the inside of hollow shaft (5), and the other end of the feed bushing (10) is folded outward and attached to the bearing seat (4).

3. A feed pipe for preventing material blockage in a ball mill according to claim 2, characterized in that, The bearing seat (4) and the feed pipe (6) are flange-connected, and the folded-out portion of the feed bushing (10) is located between the bearing seat (4) and the feed pipe (6).

4. A feed pipe for preventing material blockage in a ball mill according to claim 2, wherein The feed bushing (10) is made of rubber.

5. A material plugging prevention feed pipe for a ball mill according to claim 1, wherein The inner wall of the discharge valve (7) is made of polytetrafluoroethylene.

6. A feed pipe for preventing material blockage in a ball mill as claimed in claim 1, wherein, The feed pipe (6) and the motor (9) are both equipped with support columns (11).

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