CN211755607U

CN211755607U - Ball mill convenient to change welt

Info

Publication number: CN211755607U
Application number: CN202020231381.5U
Authority: CN
Inventors: 刘清竹; 黄跃庭; 叶再胜
Original assignee: Xiamen Lijieyuan Construction Waste Soil Resource Recycling Disposal Co ltd; Xiamen Junxingfu Industry Co ltd
Current assignee: Xiamen Lijieyuan Construction Waste Soil Resource Recycling Disposal Co ltd; Xiamen Junxingfu Industry Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-10-27
Anticipated expiration: 2030-02-27

Abstract

The utility model relates to a ball mill convenient to change welt, it includes the barrel that connects gradually by many and sets up the shell at barrel periphery side, the barrel is including setting up at the inner loop wearing parts of barrel and setting up the plate body at the barrel outer loop, the wearing parts outside is provided with the dovetail buckle, the plate body inboard is provided with the dovetail of mutually supporting with the dovetail buckle, the both ends of plate body are provided with first connection piece and the second connection piece that is the annular shape respectively, the first connection piece and the second connection piece of two adjacent barrels are mutually supported and are connected. The utility model discloses have the effect of the installation of convenient welt, dismantlement and change.

Description

Ball mill convenient to change welt

Technical Field

The utility model belongs to the technical field of the technique of ball mill and specifically relates to a ball mill convenient to change welt is related to.

Background

The ball mill is a grinding device widely applied to the field of electric power, ceramics, cement and mineral processing. The basic working principle is as follows: the ball mill cylinder rotates at a certain rotating speed, the grinding balls at the bottom of the ball mill cylinder are attached to the cylinder liner plate under the action of centrifugal force and friction force, and when the grinding balls are brought to a certain height, the grinding balls are thrown down due to the gravity of the grinding balls, so that the grinding materials at the bottom of the cylinder are impacted, crushed and ground. The lining plate is a key wear-resistant part of the ball mill, and the lining plate is worn and thinned under the severe impact action of the grinding balls on the lining plate of the ball mill.

Prior art discloses a ball mill welt as in publication No. CN 207913902U's patent, including the welt body, the welt body constitute by wearing parts and plate body, the wearing parts inboard be provided with the dovetail buckle, respectively be equipped with two fixed orificess on wearing parts and the plate body, the fixed orifices sets up the vertical symmetry in wave protruding department, the fixed orifices on wearing parts and the plate body are connected, fixed orifices wave protruding department and plate body downside are equipped with the recess, the plate body upside is equipped with the dovetail recess. The grinding effect is improved through the waves, the hardness of the surface is enhanced, abrasion is reduced, the outer layer abrasion-prone part can be conveniently replaced, production cost is reduced, the time for replacing the lining plate in the production process is saved, and production efficiency is improved.

The above prior art solutions have the following drawbacks: the large ball mill cylinder is large, and the installation of the traditional lining plate (such as the lining plate body described above) in the ball mill cylinder takes a lot of time and labor; when the welt wearing and tearing are serious, also need one to dismantle and change, not only need a large amount of human costs, the in-process ball mill that is changing the welt moreover can't work, influences work efficiency, consequently needs the improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a ball mill convenient to change welt, it has the effect that makes things convenient for the installation of welt, dismantlement and change.

The above object of the present invention can be achieved by the following technical solutions: the cylinder comprises a plurality of cylinders which are sequentially connected and a shell which is arranged on the outer peripheral side of the cylinder, wherein the cylinder comprises a wear-resistant part which is arranged on the inner ring of the cylinder and a plate body which is arranged on the outer ring of the cylinder, a dovetail-shaped buckle is arranged on the outer side of the wear-resistant part, a dovetail groove which is mutually matched with the dovetail-shaped buckle is arranged on the inner side of the plate body, a first connecting piece and a second connecting piece which are in a ring shape are respectively arranged at two ends of the plate body, and the first connecting piece and the second connecting piece of the cylinder are.

By adopting the technical scheme, the wear-resistant part arranged in the shape of a circular ring and the plate body arranged in the shape of a circular ring are connected to form the lining plate, when the lining plate is installed, the dovetail-shaped buckle on the wear-resistant part corresponds to the dovetail groove on the plate body, then the dovetail-shaped buckle is pushed into the plate body to realize the installation of the lining plate, the wear-resistant part is pushed out from the plate body to be detached and replaced, and the operation is simple and convenient; the adjacent cylinders are connected through a first connecting sheet and a second connecting sheet and are connected in sequence during installation; and the cylinder body has small specification and light weight, and is convenient to transport and install.

The present invention may be further configured in a preferred embodiment as: the diameter of the second connecting piece is smaller than that of the first connecting piece, and in two adjacent cylinders, the second connecting piece is inserted into the inner side of the first connecting piece and abuts against the inner peripheral side of the first connecting piece.

Through adopting above-mentioned technical scheme, when two adjacent barrels are connected, only need with the second connection piece of new barrel insert to connect in the first connection piece of preceding barrel can link two adjacent barrels together, need not to finish the installation promptly with the connection position locking of barrel once more through other modes, conveniently dismantle two barrels moreover.

The present invention may be further configured in a preferred embodiment as: a plurality of wear-resistant pieces are arranged in the cylinder body along the length direction of the cylinder body, and the dovetail groove and the dovetail-shaped buckle are arranged along the length direction of the cylinder body.

Through adopting above-mentioned technical scheme, many wearing parts set up side by side, only need change the wearing part of wearing and tearing when a plurality of wearing parts wear out wherein, wearing and tearing can continue to use not serious, reduce the consumption of wearing part, reduce cost.

The present invention may be further configured in a preferred embodiment as: the shell is formed by combining two semi-circular mounting blocks which are hinged, a plurality of mounting columns are arranged on the inner sides of the mounting blocks, connecting grooves matched with the mounting columns are arranged on the outer peripheral sides of the plate bodies, and the mounting columns are inserted into the connecting grooves.

Through adopting above-mentioned technical scheme, the shell can play the supporting role to the barrel, and the back is opened to the installation piece of two articulated settings in addition, can take out the barrel and change wearing parts, and the cooperation of erection column and spread groove is connected and is made being connected between shell and the barrel more stable.

The present invention may be further configured in a preferred embodiment as: the mounting post is a hollow structure, two symmetrical pin blocks are arranged in the mounting post, the two pin blocks are located at one end, away from the shell, of the mounting post and connected through a spring, pin holes are formed in the end portion of the mounting post, limiting grooves are formed in one end, away from the shell, of the connecting grooves, and the pin blocks are inserted into the limiting grooves when extending out of the pin holes.

Through adopting above-mentioned technical scheme, push out the bolt piece again from the bolt hole of erection column after pegging graft the barrel on the erection column and make the bolt piece pegged graft the spacing inslot for be connected between barrel and the shell is more stable.

The present invention may be further configured in a preferred embodiment as: the bolt block comprises head portions and bolt portions, the cross sections of the head portions are arranged in a right trapezoid shape, the length of the lower bottom of each head portion is larger than that of each bolt portion, the springs are connected to the upper bottoms of the two head portions, and the length of each bolt hole is smaller than that of the lower bottom of each head portion.

By adopting the technical scheme, the head of the bolt block is limited by the bolt hole and cannot be pushed out of the bolt hole into the limiting groove, and the head in the right-angled trapezoid shape has an inclined plane, so that the bolt block can be conveniently pushed to move by the outside; when the barrel body is required to be separated from the shell, the two bolt blocks are reset by means of the elasticity of the spring, and the barrel body can be taken out of the shell.

The present invention may be further configured in a preferred embodiment as: an inserting rod is arranged in the mounting column, and a yielding groove is formed in the inserting rod.

Through adopting above-mentioned technical scheme, the inserted bar plays the effect that two bolt pieces of drive removed, works as inserted bar and bolt piece butt, promotes the bolt piece and removes to both sides, and the spring falls into the inslot of stepping down and can not play the hindrance effect to the drive of inserted bar, makes the inserted bar can promote the bolt piece smoothly.

The present invention may be further configured in a preferred embodiment as: the mounting post sets up with the surface intercommunication of shell, be provided with the apron along its length direction on the shell, the apron lid is located on the mounting post, the apron passes through the bolt lock and pays on the surface of shell.

By adopting the technical scheme, when the cover plate is locked on the outer surface of the shell, the inserted bar is fixedly arranged in the column, the inserted block is inserted into the limiting groove, the shell and the barrel do not move at the moment, and the shell stably supports the barrel; the inserted bar can be taken out after the cover plate is opened, the inserted pin block is reset to the original position under the elastic force action of the spring, and the cylinder body can be separated from the shell.

The present invention may be further configured in a preferred embodiment as: the shell is inboard to be provided with first rubber blotter, sound insulation bed course and second rubber blotter in proper order, the one side that the shell was kept away from to the second rubber blotter supports and leans on the periphery side of barrel.

Through adopting above-mentioned technical scheme, first rubber blotter and second blotter can play the effect of buffering protection to the installation between shell and the barrel, and reducing wear, noise that the barrel during operation produced can be absorbed to the sound insulation bed course, and noise pollution is reduced.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the cavity for crushing materials is formed by the multiple cylinders and the shells on the outer peripheral sides of the cylinders, so that the weight is small, the transportation and the installation are convenient, the wear-resistant parts in the cylinders are convenient to replace in a targeted manner, and the consumption of the wear-resistant parts is reduced;

2. the mounting column on the shell is matched with the connecting groove on the cylinder body, so that the cylinder body and the shell can be connected more stably;

3. the noise that the cylinder during operation produced can be absorbed to the sound insulation bed course, reduces noise pollution.

Drawings

Fig. 1 is a schematic structural view of the case in the closed state in this embodiment;

fig. 2 is a schematic structural view of the case in an open state in the present embodiment;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a sectional view of the present embodiment showing the connection state of the mounting post and the connecting groove;

FIG. 5 is a schematic view of a connection structure of a dovetail groove and a dovetail clip in the present embodiment;

fig. 6 is a schematic sectional view of the cylinder in this embodiment.

Reference numerals: 1. a barrel; 11. connecting grooves; 12. a limiting groove; 13. a plate body; 131. a dovetail groove; 132. a first connecting piece; 133. a second connecting sheet; 14. a wear part; 141. a dovetail-shaped fastener; 2. a housing; 21. mounting blocks; 22. mounting a column; 23. a latch block; 231. a head portion; 232. a plug pin portion; 233. a spring; 3. inserting a rod; 4. a cover plate; 5. a first rubber cushion; 6. a sound-insulating cushion layer; 7. a second rubber cushion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a ball mill convenient to change welt, include barrel 1 and the shell 2 of setting at barrel 1 periphery side that connects gradually by many, shell 2 is formed by two articulated semicircle ring-shaped installation pieces 21 combinations that set up, and the one end that articulated position department was kept away from to two installation pieces 21 can be dismantled through the bolt and connect. The inner side of the mounting block 21 is provided with a plurality of mounting columns 22, the outer peripheral side of the cylinder body 1 is provided with a connecting groove 11 which is matched and connected with the mounting columns 22, and when the cylinder body 1 is placed on the mounting block 21, the mounting columns 22 are inserted into the connecting groove 11 to realize the connection between the shell 2 and the cylinder body 1.

Referring to fig. 3 and 4, the mounting post 22 is hollow, two pin holes and a pin block 23 connected to the pin holes are symmetrically arranged at one end of the mounting post 22 far away from the housing 2, a limiting groove 12 is arranged at one end of the connecting groove 11 far away from the housing 2, the pin block 23 comprises a head 231 with a right trapezoid cross section and a pin 232 with a rectangular cross section, the length of the lower bottom of the head 231 is greater than that of the pin 232, the length of the pin hole is smaller than that of the lower bottom of the head 231, and a spring 233 is connected to the upper surface of the upper bottom of the head 231 of the two pin blocks 23.

One end of the mounting column 22, which is far away from the plug block 23, is communicated with the outer surface of the shell 2, the plug rod 3 is arranged along the length direction of the mounting column 22, the plug rod 3 is positioned in the mounting column 22, the front end of the plug rod 3 is provided with a yielding groove, when the front end of the plug rod 3 props against the inclined surfaces of the heads 231 of the two plug blocks 23, the two plug blocks 23 are pushed to move along opposite directions respectively, the spring 233 falls into the yielding groove of the plug rod 3 until the plug block 232 completely enters the limiting groove 12, and the lower surface of the head 231 is abutted against the side surface of the mounting column 22.

The outer side surface of the shell 2 is provided with a cover plate 4 along the length direction, the cover plate 4 is hinged with the shell 2 and covers the mounting column 22, and when the inserted bar 3 is completely inserted into the mounting column 22 and pushes the inserted pin block 23 to be inserted into the limiting groove 12, the cover plate 4 covers the outer surface of the shell 2 and is locked by bolts.

Set gradually first rubber buffer 5, syllable-dividing bed course 6 and second rubber buffer 7 between shell 2 and the barrel 1, when barrel 1 is connected fixedly with shell 2, the one side that shell 2 was kept away from to second rubber buffer 7 supports and leans on the periphery side of barrel 1.

Referring to fig. 5 and 6, the cylinder 1 includes a wear-resistant member 14 disposed on an inner ring of the cylinder 1 and a plate 13 disposed on an outer ring of the cylinder 1, a side of the wear-resistant member 14 away from the plate 13 is disposed in a wave shape, the wear-resistant member 14 is disposed along a length direction of the cylinder 1, and when the wear-resistant member 14 needs to be replaced, only a portion of the wear-resistant member 14 that is seriously worn needs to be replaced. The outer side of the wear-resistant part 14 is provided with a dovetail-shaped buckle 141, the inner side of the plate body 13 is provided with a dovetail groove 131 matched with the dovetail-shaped buckle 141, and the dovetail-shaped buckle 141 is inserted into the dovetail groove 131 to realize the connection and fixation between the plate body 13 and the wear-resistant part 14.

The both ends of plate body 13 are provided with first connection piece 132 and the second connection piece 133 that is the setting of ring shape respectively, and the diameter of second connection piece 133 is less than the diameter of first connection piece 132, and when second connection piece 133 between two adjacent barrels 1 was inserted and is connected in first connection piece 132, the connection between two barrels 1 was stable, can prevent that the material from spilling between two barrels 1.

The implementation principle of the embodiment is as follows: during installation, a plurality of wear-resistant pieces 14 are sequentially pushed into the plate body 13 along the dovetail-shaped buckle 141 and the dovetail groove 131, the shell 2 is opened, the connecting groove 11 of the installed cylinder body 1 is aligned with the mounting post 22, the mounting post 22 is inserted into the connecting groove 11, the two mounting blocks 21 are locked, the insertion rod 3 is inserted into the mounting post 22 of the shell 2, the insertion rod 3 is continuously pushed inwards, when the front end of the insertion rod 3 abuts against the inclined surface of the head 231 of the two insertion pin blocks 23, the two insertion pin blocks 23 are pushed to respectively move in opposite directions, the spring 233 falls into the abdicating groove of the insertion rod 3 until the insertion pin block 232 completely enters the limiting groove 12, the lower surface of the head 231 abuts against the side surface of the mounting post 22, the cover plate 4 is covered on the outer surface of the shell 2, and locking is performed by using a locking device, namely, the installation of the bolt is completed.

When the welt needs to be changed, open apron 4, open shell 2, take out barrel 1 from shell 2 in, then take out the wearing parts 14 that need to be changed in the plate body 13 and change, it can to install in proper order again after the change is good.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ball mill convenient to change welt which characterized in that: including barrel (1) and shell (2) of setting at barrel (1) periphery side that connect gradually by many, barrel (1) is including setting up wearing parts (14) at barrel (1) inner ring and plate body (13) of setting at barrel (1) outer loop, wearing parts (14) outside is provided with dovetail buckle (141), plate body (13) inboard is provided with dovetail (131) of mutually supporting with dovetail buckle (141), the both ends of plate body (13) are provided with first connection piece (132) and second connection piece (133) that are the annular shape respectively, adjacent two first connection piece (132) and second connection piece (133) of barrel (1) are mutually supported and are connected.

2. The ball mill with the liner plate convenient to replace as claimed in claim 1, wherein: the diameter of the second connecting piece (133) is smaller than that of the first connecting piece (132), and in two adjacent cylinders (1), the second connecting piece (133) is inserted into the inner side of the first connecting piece (132) and abuts against the inner peripheral side of the first connecting piece (132).

3. The ball mill with the lining plate convenient to replace as claimed in claim 2, wherein: a plurality of wear-resistant pieces (14) are arranged in the barrel body (1) along the length direction of the barrel body, and the dovetail groove (131) and the dovetail-shaped buckle (141) are arranged along the length direction of the barrel body (1).

4. The ball mill with the liner plate convenient to replace as claimed in claim 1, wherein: the outer shell (2) is formed by combining two semi-circular mounting blocks (21) which are hinged, a plurality of mounting columns (22) are arranged on the inner side of each mounting block (21), a connecting groove (11) matched with each mounting column (22) is formed in the outer peripheral side of the plate body (13), and the mounting columns (22) are inserted into the connecting grooves (11).

5. The ball mill with the liner plate convenient to replace as claimed in claim 4, wherein: the mounting column (22) is the setting of cavity form, be provided with two symmetrical bolt pieces (23) that set up in mounting column (22), two bolt piece (23) all are located one of shell (2) is kept away from in mounting column (22) is served and two bolt piece (23) are connected through spring (233), be provided with the bolt hole on the tip of mounting column (22), shell (2) is kept away from in one of spread groove (11) and serve and be provided with spacing groove (12), work as bolt piece (23) are pegged graft in spacing groove (12) when stretching out the bolt hole.

6. A ball mill with a conveniently replaceable liner plate according to claim 5, wherein: the bolt block (23) comprises a head part (231) and a bolt part (232), the cross section of the head part (231) is in a right trapezoid shape, the length of the lower bottom of the head part (231) is larger than that of the bolt part (232), the spring (233) is connected to the upper bottoms of the two head parts (231), and the length of the bolt hole is smaller than that of the lower bottom of the head part (231).

7. The ball mill with the liner plate convenient to replace as claimed in claim 6, wherein: an inserting rod (3) is arranged in the mounting column (22), and a yielding groove is formed in the inserting rod (3).

8. The ball mill with the liner plate convenient to replace as claimed in claim 7, wherein: the surface intercommunication setting of erection column (22) and shell (2), be provided with apron (4) along its length direction on shell (2), apron (4) lid is located on erection column (22), apron (4) are through bolt lock payment on the surface of shell (2).