CN201006457Y

CN201006457Y - Lining plate assembly mounted on inner-wall of balling drum

Info

Publication number: CN201006457Y
Application number: CNU2007200111974U
Authority: CN
Inventors: 杨志明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-14
Filing date: 2007-03-14
Publication date: 2008-01-16
Anticipated expiration: 2017-03-14

Abstract

The utility model relates to a liner plate mounted on the inner wall of a roller in a ball grinder, wherein the liner plate comprises distantly arranged a plurality of magnets on the inner wall, a first grinding liner and a second grinding liner respectively covered on the inner wall of the roller and the outer surface of the first grading liner via the adsorption of the magnets. The utility model has easy installment, low production cost, long service life, and improved working efficiency of ball grinder.

Description

Be installed in the liner plate assembly of inner wall of ball mill drum

Technical field:

The utility model relates to a kind of liner plate assembly that is installed in inner wall of ball mill drum.

Background technology:

Ball mill is one of widely used Super-fine grinder machinery in the industrial production, and it comprises the handball grinding machine, horizontal ball mill, ceramic ball mill and enamel ball mill etc.Ball mill is normally by drive motors, driving gear set, revolution main shaft and rotating disk, and the cylinder that pivots constitutes.Ball mill at first is placed with many rigid balls in when work in cylinder, when cylinder swayed, rigid ball was subjected to action of centrifugal force, and relies on the frictional resistance between itself and the liner to be turned to lofty perch free-falling again, and then abrasive material is pulverized.This shows that rigid ball and is that friction-type contacts between the inwall of cylinder, also clashes into the cylinder liner in the mode of the movement of falling object simultaneously, so liner is very easily damaged parts in this motion process.

In the prior art, known balling drum liner has manganese steel plate liner, rubber slab liner, these three kinds of structures of magnetic holding plate liner usually.Wherein, by manganese steel plate or similarly the liner that constitutes of steel alloy when the work, because of its with rigid ball between be that rigidity contacts, from the physics angle, two rigid objects wear and tear when CONTACT WITH FRICTION comparatively fast, so, the liner plate of this kind structure is shorter service life, and according to statistics, the service life of manganese steel plate liner is generally about 6 months, and use in occasions such as gold mines, its service life is only at 3-4 month; Simultaneously, because of the quality of manganese steel plate liner is bigger,, when changing, can increase labour intensity in case be damaged.

The rubber slab liner is compared the distinctive feature with him with the manganese steel plate liner.For this reason, Chinese patent has been announced the technology that a kind of name is called " structure and the installation of plate during grinding machine atresia cylindrical shell rubber " for No. 1044237.This patent adopts and is the rubber slab on inclined-plane as inner piece, and when mounted, employing is welded on the structure of the fixed strip that is threaded the hole of cylindrical shell inboard, its meaning is to want to utilize the rubber that has the inclined plane to improve agitation force and the reduction noise of liner to rigid ball, and need on cylindrical shell, not hole, to improve the intensity of cylindrical shell.But because the wear-resistant ability of rubber itself is relatively poor, and the rubber lining that has an inclined plane can only be given firm ball agitation force, so still there is quick wear problem in the liner of this kind structure; In addition, because this material of rubber is too soft, when quilt mill material is very hard, as when grinding the gold mine ore, very easily scratched slag in the time of in the rubber slab, particularly for large-size ball mill, the diameter of rigid ball is generally all in 100 millimeter, rigid ball pound, throw, in the process such as mill, the easier rubber slab liner that makes damages too early.

And magnetic holding plate develops from the rubber magnetic liner plate and comes, and is called " magnetic liner plate of ball mill " as the name of No. 2201176 Granted publications of Chinese patent and just provides an object lesson.A face of this magnetic liner plate is inlaid with permanent magnetic iron block in longitudinal and transverse uniform groove, and at the horizontal uniform top-down reinforcement of the one side of liner plate, is provided with rubber slab at the groove lower curtate of another face.Its meaning is that the magnetic force of wanting to utilize magnetic patch to produce is inhaled small ball or fragment on liner plate, so that small ball directly contacts with rigid ball, protects liner plate and prolongs the liner plate purpose in service life thereby reach.But owing to have the gap between the small ball, cylinder is in rotary course, polished thin material can be clipped between adjacent two balls, thereby has influenced the small ball rotation, causes small ball to contact with the liner plate holding point, when the rigid ball in the cylinder is pounded on small ball, be easy to cause liner plate to damage; Simultaneously, because of small ball is inhaled on liner plate by magnetic force, and ball mill is when work, small ball constantly is subjected to rigid ball and the random impact of grinding charge material in the cylinder, can cause small ball uneven distribution on liner plate, liner plate will shorten the service life of liner plate in case the position is exposed in appearance.

Summary of the invention:

Task of the present utility model provides a kind of utilization can manage the liner plate assembly that is installed in inner wall of ball mill drum that this mode that is convenient for changing liner plate surface abrasion resistance damage material solves liner plate service life and cost problem.

The liner plate assembly that is installed in inner wall of ball mill drum that the utility model proposed comprises that the magnet that is arranged at interval on the inner wall of rotary drum and this magnet suction of dependence cover first mill lining of inner wall of rotary drum and covers second mill lining of the first mill lining outer surface preset distance.Magnet can be inhaled first mill lining and second mill lining on the inwall of cylinder successively securely, when second mill lining is worn the needs replacing, by the mode of putting or shedding it is remedied at the first mill lining outer surface.

Described first mill lining mask relative with inner wall of rotary drum is useful on the recess that holds magnet, and is respectively arranged with in the both sides of its another face and extends its surperficial convex.The radially boss that is provided with on first mill lining is parts of further fixing second mill lining on the basis of magnet suction, so that second mill lining does not move when cylinder rotates.

First mill lining that the liner plate assembly employing magnet that is installed in inner wall of ball mill drum that the utility model proposed holds and the structure of second mill lining, when mounted, can or adopt simple relatively connector to be fixed without connector, so, the liner plate assembly of this kind structure is installed very convenient, and the liner plate assembly is to be made of alloy-steel plate and magnet, and its cost of manufacture is lower; When ball mill is worked, as earlier in cylinder, shedding some iron powders or iron is cut, these iron powders or iron are cut some and can be extruded in the slit between first mill lining and second mill lining in the time spent of doing that is subjected to centrifugal force and magnetic force, so that the liner plate assembly forms the integral body of an arc, make it can form a firm integral body, and another part iron powder or iron are cut and can be inhaled clothes on the second mill lining surface by magnet, and it can form protective layer, to delay the time that second mill lining is worn; In addition, because first mill lining and second mill lining can change easily, and wear-resistant, so, first mill lining and second mill lining can adopt sheet member, and sheet member can increase the useful space of cylinder, thereby can improve the operating efficiency of the ball mill that this liner plate assembly is installed.

Description of drawings:

Accompanying drawing 1 is the surface structure schematic diagram of the embodiment of liner plate assembly who is installed in inner wall of ball mill drum that proposes of the utility model;

Accompanying drawing 2 is generalized sections of liner plate assembly among Fig. 1.

The specific embodiment:

Referring to Fig. 1 and Fig. 2, these two accompanying drawings provide the overall appearance structure of the embodiment of liner plate assembly who is installed in inner wall of ball mill drum that the utility model proposes.As can be seen from the figure, this liner plate assembly comprises magnet 1, first mill lining 2 and second mill lining, 3 these three parts.Wherein, first mill lining 2 is and essentially identical strip piece of the axial length of inner wall of rotary drum 4 or the annular element that is complementary with the circular arc of inner wall of rotary drum 4.When first mill lining 2 adopts long elements, be to put, and be covered with inner wall of rotary drum 4 along radially being close to of inner wall of rotary drum 4; And first mill lining 2 is to put along axially being close to of inner wall of rotary drum 4, and is covered with inner wall of rotary drum 4, but first mill lining 2 that provides in the present embodiment is these a kind of structures of long elements when adopting annular elements.

First mill lining 2 and inner wall of rotary drum 4 relative masks are useful on the recess 21 that holds magnet 1, owing to recess 21 for splendid attire magnet 1 is provided with, so recess 21 can be arranged to geometry arbitrarily, as cuboid etc.Recess 21 internal magnets 1 can be arranged arbitrarily, and are identical as employing magnet 1 polarity radially, the different and alternatively distributed mode of the polarity of axial magnet 1.The both sides of another face of first mill lining 2 are respectively arranged with the convex 22 that extends the surface, and second mill lining 3 can be installed between two boss 22, and the upper surface that makes second mill lining 3 and convex 22 are equal or be higher than convex 22.

When mounted, at first magnet 1 is put into the recess 21 of first mill lining 2, in order successively be placed in inner wall of rotary drum 4 on together with magnet 1 first mill lining 2 then, and make first mill lining 2 cover whole inner wall of rotary drum 4, second mill lining 3 is placed between two convexes 22 of first mill lining 2 again, and makes second mill lining 3 cover whole first mill lining 2.When second mill lining 3 is worn the needs replacing at work, second mill lining 3 is put into cylinder, by the cylinder rotation with the water slug that has pressure, can make second mill lining 3 cover inner wall of rotary drum 4.

In use, at first putting into the iron powder or the iron of some in cylinder cuts, along with the rotation of cylinder and the magneticaction of magnet 1, iron powder or iron are cut in some slit that enters first mill lining 2 and second mill lining 3, another part covers the surface of second mill lining 3, cuts the service life that prolongs second mill lining 3 by iron powder or iron.

Claims

1. be installed in the liner plate assembly of inner wall of ball mill drum, it is characterized in that: this liner plate assembly comprises that the magnet that is arranged at interval on the inner wall of rotary drum and this magnet suction of dependence cover first mill lining of inner wall of rotary drum and covers second mill lining of the first mill lining outer surface preset distance.

2. liner plate assembly according to claim 1 is characterized in that: described first mill lining mask relative with inner wall of rotary drum is useful on the recess that holds magnet, and is respectively arranged with in the both sides of its another face and extends its surperficial convex.