CN209934863U

CN209934863U - Ball mill welt anti-drop structure

Info

Publication number: CN209934863U
Application number: CN201920032048.9U
Authority: CN
Inventors: 黄学东
Original assignee: Guangzhou Houde Building Materials Co Ltd
Current assignee: Guangzhou Houde Building Materials Co Ltd
Priority date: 2019-01-08
Filing date: 2019-01-08
Publication date: 2020-01-14
Anticipated expiration: 2029-01-08

Abstract

The utility model discloses a ball mill welt anti-drop structure, including the ball mill barrel, ball mill barrel inner wall is provided with a plurality of welts, a plurality of jacks have been seted up to ball mill barrel outer wall, and its technical essential is: it is adjacent splice each other between the welt, it is a plurality of the welt is kept away from the lateral indent of ball mill barrel inner wall is equipped with the recess, the recess notch is equipped with rather than joint complex apron, the apron is close to a side of recess tank bottom be equipped with the fastener of connection can be dismantled to the apron, the fastener runs through the recess just wears out the jack and with jack threaded connection. The ball mill lining plate anti-drop structure has the advantages that the lining plate is tightly connected with the inner wall of the cylinder body, the looseness of the lining plate is reduced, the cylinder body is protected, meanwhile, the lining plate with the wavy curved surface reduces the impact abrasion of a grinding body on the lining plate, and certain energy-saving and environment-friendly effects are achieved.

Description

Ball mill welt anti-drop structure

Technical Field

The utility model relates to a ball mill technical field, more specifically say, it relates to a ball mill welt anti-drop structure.

Background

The ball mill is a key device for crushing materials after the materials are crushed, is suitable for grinding various ores and other materials, and is widely applied to industries such as mineral separation, building materials, chemical engineering and the like. The ball mill comprises a feeding part, a discharging part, a rotary part, a transmission part and other main parts. The lining plate inside the ball mill cylinder is used for protecting the inner wall of the cylinder, so that the cylinder is prevented from being directly impacted and rubbed by the grinding body and materials, and meanwhile, the lining plates in different forms can be used for adjusting the motion state of the grinding body, so that the grinding effect of the grinding body on the materials is enhanced, the grinding efficiency of the ball mill is improved, and the yield is increased.

In the process of grinding materials by the grinding body, the grinding body inside the cylinder body is driven to impact the lining plate by the rotation of the cylinder body, so that the lining plate is in a state of being easy to wear and get a consumable product. And being connected between inside welt of usual ball mill and the barrel is through two bolt threaded connection that pass the barrel, but because the bolt surface can bulge the welt surface outside, so when the rinding body grinds the material, the direct striking protrusion of grinding body comes the bolt to can cause the bolt not hard up, all can lead to the welt not hard up to drop, after the welt drops, the rinding body directly strikes the barrel inner wall, leads to the barrel to warp, influences production, consequently also improves the space.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a ball mill welt anti-drop structure has the not hard up welt of feasible welt of reducing the bolt and the inseparable with the barrel inner wall connection, reduces the welt not hard up, protects the advantage of barrel.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the ball mill lining plate anti-falling structure comprises a ball mill cylinder, wherein a plurality of lining plates are arranged on the inner wall of the ball mill cylinder, and a plurality of jacks are formed in the outer wall of the ball mill cylinder; it is adjacent splice each other between the welt, it is a plurality of the welt is kept away from the lateral indent of ball mill barrel inner wall is equipped with the recess, the recess notch is equipped with rather than joint complex apron, the apron is close to a side of recess tank bottom be equipped with the fastener of connection can be dismantled to the apron, the fastener runs through the recess just wears out the jack and with jack threaded connection.

By adopting the technical scheme, the groove is concavely arranged on the lining plate, the fastener is accommodated in the groove and is clamped with the groove opening of the groove through the cover plate, so that the fastener is protected, when the grinding body impacts the lining plate, the cover plate and the groove protect the fastener, so that the direct impact of the grinding body on the fastener is reduced, the loosening of the fastener is reduced, the connection of the fastener on the lining plate and the inner wall of the ball mill cylinder is enhanced, the loosening of the lining plate is reduced, and the protection of the lining plate on the side wall of the ball mill cylinder is enhanced; the adjacent lining plates are spliced, so that the looseness between the adjacent lining plates is reduced, and the connection stability between the lining plates is enhanced; the clamping between apron and the recess has strengthened the stability of being connected between apron and the recess, and then has strengthened the guard action of apron to the fastener, has reduced not hard up of fastener, has strengthened the stability of being connected between welt and the ball mill barrel.

The utility model discloses further set up to: the structure of fastener is "U-shaped" setting, "U-shaped" fastener includes connecting portion and locking portion, the locking portion outside is equipped with the external screw thread, locking portion wears out the jack and with ball mill barrel lateral wall is fixed.

By adopting the technical scheme, the U-shaped fastener comprises the connecting part and the locking part, the connecting part plays a role in connecting the two locking parts, when the grinding body impacts the lining plate, the lining plate vibrates, the two locking parts connected through the connecting part play a role in mutual limitation, further the looseness between the locking parts and the insertion holes is reduced, and the connection stability of the fastener to the lining plate and the side wall of the cylinder body of the ball mill is enhanced.

The utility model discloses further set up to: the apron is close to the side of recess tank bottom be equipped with a plurality of with the joint ring of connecting portion joint, it is a plurality of the joint ring is kept away from apron one side all is equipped with the retaining member.

Through adopting above-mentioned technical scheme, the joint of joint ring and connecting portion is and through retaining member locking, and then has strengthened the stability of being connected between joint portion and the connecting portion, and a plurality of joint rings evenly arrange for the connection between apron and the connecting portion distributes evenly, has further strengthened the stability of being connected between apron and the connecting portion.

The utility model discloses further set up to: the connecting portion are provided with a plurality of concave strips which are evenly distributed along the length direction of the connecting portion in an inwards concave mode, and the clamping ring is provided with convex protruding strips matched with the concave strips in a clamping mode, wherein the convex protruding strips are arranged on the side face, which is clamped and attached to the connecting portion, of the clamping ring in an outwards convex mode.

Through adopting above-mentioned technical scheme, thereby joint cooperation through between concave strip and the sand grip has increased the area of contact between connecting portion and the joint ring, and then has strengthened the stability of being connected between fastener and the joint ring, has reduced the not hard up between apron and the groove notch, has strengthened the protection of apron to the fastener, and then has reduced the striking of rinding body to the fastener, reduces not hard up of welt, has strengthened the guard action of welt to the ball mill inner wall.

The utility model discloses further set up to: one of the lining plates and the other lining plate are provided with inserting blocks on the side surfaces which are mutually attached, and the other lining plate is inwards concavely provided with inserting slots which are in clamping fit with the inserting blocks.

Through adopting above-mentioned technical scheme, the joint cooperation concatenation through inserted block and slot between the adjacent welt is in the same place to increased area of contact between the adjacent welt, and then reduced not hard up between the adjacent welt, strengthened the connection stability between the adjacent welt, strengthened the guard action of welt to the ball mill barrel.

The utility model discloses further set up to: the apron is equipped with the card strip along its circumference is outside protruding, the position that the recess inner wall is close to the notch is equipped with along its circumference is inwards concave with card strip joint complex draw-in groove.

Through adopting above-mentioned technical scheme, through the joint cooperation between card strip and the draw-in groove between apron and the recess inner wall, thereby strengthened the stability of being connected between apron and the recess notch, and then reduced not hard up of apron, further strengthened the guard action of apron to the fastener, and then reduced the direct striking fastener of rinding body when grinding the material, strengthened the stability of being connected of fastener and ball-mill barrel, and then reduced not hard up of welt, strengthened the guard action of welt to ball-mill barrel lateral wall.

The utility model discloses further set up to: and the two ends of the notch of the groove are concavely provided with holding parts.

Through adopting above-mentioned technical scheme, when changing the substrate, constructor with the help of the portion of controlling will follow groove notch department with the apron of groove notch joint and dismantle, easy operation convenient and fast.

The utility model discloses further set up to: and one side surface of the lining plates, which is far away from the inner wall of the ball mill cylinder body, is in a wave shape.

By adopting the technical scheme, the surface of the lining plate arranged in the wave shape is provided with the arc surface, when the grinding body impacts the surface of the lining plate, the impact force of the grinding body impacting the lining plate is dispersed into the component force in each direction by the arc surface to act on the lining plate, so that the lining plate is protected to a certain extent, the damage of the lining plate is reduced, and the service life of the lining plate is prolonged.

The utility model discloses further set up to: and a sound insulation layer is arranged on the side surface of the lining plate, which is attached to the inner wall of the ball mill cylinder.

Through adopting above-mentioned technical scheme, because the ball mill barrel rotates, rinding body and material rotate along with the ball mill barrel in the ball mill barrel, rinding body striking welt sends sharp-pointed impact sound, rinding body and material looks mutual friction send the sound with the comminuted, and the setting of puigging can play a syllable-dividing effect, play the effect that weakens to the sharp-pointed impact sound of rinding body striking welt and the frictional sound of material, thereby reduced noise pollution and provided a better operational environment for the staff.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model has simple structure and feasibility, and can protect the fastener by placing the fastener in the groove and covering the groove opening with the cover plate, thereby reducing the possibility of the direct impact of the grinding body on the fastener, enhancing the stability of the fastener on the connection of the lining plate and the side wall of the ball mill cylinder, reducing the looseness of the lining plate and enhancing the protection effect of the lining plate on the inner wall of the ball mill cylinder;

2. the cover plate is matched with the clamping groove in a clamping manner through the clamping strip, so that the connection stability between the cover plate and the inner wall of the groove is enhanced, and the protection effect of the cover plate on the fastener is further enhanced;

3. the clamping ring is detachably connected with the connecting part, so that the cover plate is convenient to replace when damaged;

4. the arrangement of the surface of the 'wave-shaped' liner plate enables the impact force of the grinding body on the liner plate to be dispersed into component forces in all directions, so that the damage of the grinding body on the liner plate is reduced, and the service life of the liner plate is prolonged.

Drawings

FIG. 1 is a schematic structural view of the interior of a ball mill barrel;

FIG. 2 is a schematic view of the cover plate and snap ring;

FIG. 3 is a schematic view of the fastener construction;

fig. 4 is a schematic structural view of the liner plate.

Reference numerals: 11. a ball mill cylinder; 12. a jack; 2. a liner plate; 21. a sound insulating layer; 22. inserting a block; 23. a slot; 3. a groove; 31. a through hole; 32. a fastener; 321. a connecting portion; 322. a locking portion; 323. an external thread; 4. a cover plate; 41. clamping the strip; 42. a card slot; 43. a grip portion; 51. a convex strip; 52. concave strips; 61. a snap ring; 62. buckling; 63. and a locking member.

Detailed Description

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

The utility model provides a ball mill welt anti-drop structure, as shown in figure 1, includes ball mill barrel 11, and a plurality of equidistant jacks 12 of evenly arranging are worn to be equipped with by ball mill barrel 11 lateral wall, and a plurality of welts 2 that are used for protecting ball mill barrel 11 of evenly arranging have been laid to ball mill barrel 11 inner wall.

As shown in fig. 4, one side surfaces of the lining plates 2 close to the inner wall of the ball mill cylinder 11 are mutually attached to the inner wall of the ball mill cylinder 11, and sound insulation layers 21 are laid on the side surfaces of the lining plates 2 attached to the inner wall of the ball mill cylinder 11, wherein the sound insulation layers 21 can be sound insulation cotton; one side surfaces of the lining plates 2 far away from the inner wall of the ball mill cylinder body 11 are all arranged in a wave-shaped curved surface.

The adjacent lining plates 2 are spliced with each other, the side face of one lining plate 2 of the adjacent lining plates 2, which is attached to the other lining plate 2, is outwards convexly provided with an inserting block 22, and the other lining plate 2 is inwards concavely provided with a slot 23 which is clamped and matched with the inserting block 22.

A groove 3 is concavely arranged on one side surface of each lining plate 2, which is far away from the inner wall of the ball mill cylinder 11, and the groove 3 is arranged close to the edge of the lining plate 2.

As shown in fig. 2-3, a cover plate 4 is arranged on one side of the inner wall of the groove 3 close to the notch of the groove 3, and the cover plate 4 is mutually clamped and matched with the inner wall of the groove 3; the side of the cover plate 4, which is attached to the inner wall of the groove 3, is provided with a clamping strip 41 along the circumferential direction in an outward protruding manner, and the inner wall of the groove 3 is provided with a clamping groove 42 which is in clamping fit with the clamping strip 41 in an inward concave manner.

A fastener 32 detachably connected with the cover plate 4 is arranged on one side surface of the cover plate 4 close to the bottom of the groove 3; the fastener 32 is in a U-shape, the fastener 32 includes a connecting portion 321 and two locking portions 322, the two locking portions 322 are respectively fixedly connected to two ends of the connecting portion 321, and an external thread 323 is disposed at one end of each locking portion 322 far from the connecting portion 321.

Through holes 31 penetrate through two ends of the bottom of the groove 3, and the locking part 322 penetrates through the through holes 31 and penetrates through the insertion hole 12 to be fixed with the side wall of the ball mill barrel 11 through threads.

The side of apron 4 near the recess 3 tank bottom is fixed with three joint ring 61 that evenly arrange and with connecting portion 321 joint along apron 4 length direction, and each joint ring 61 includes the "semi-circular" buckle 62 of two mutual locks, and the equal threaded connection of every joint ring 61 has retaining member 63, and retaining member 63 can be the bolt.

The connecting portion 321 is provided with a plurality of concave strips 52 which are uniformly arranged inwards in a concave manner along the length direction of the connecting portion 321, and the side surface of the clamping ring 61 which is clamped and attached to the connecting portion 321 is provided with a plurality of convex strips 51 which are uniformly arranged and matched with the concave strips 52 in a clamping manner in an outwards convex manner.

As shown in fig. 4, the grip portions 43 are recessed at both ends of the notch of the recess 3.

The concrete working principle and the beneficial effects of the embodiment are as follows:

the working principle is as follows:

and (3) mounting a lining plate 2: firstly, the adjacent lining plates 2 are mutually spliced together through the inserting blocks 22 and the inserting grooves 23, then the clamping ring 61 is clamped and buckled on the connecting part 321, the clamping ring 61 and the connecting part 321 are locked and fixed through bolts, the locking part 322 is inserted into the through hole 31 to clamp and fix the cover plate 4 and the groove 3, and then the locking part 322 is inserted into the inserting hole 12 to lock and fix the whole lining plate 2 and the inner wall of the ball mill barrel 11 through nuts.

Disassembling the lining plate 2: the cover plate 4 and the lining plate 2 can be replaced by first removing the bolts to detach the lining plate 2 from the inner wall of the ball mill cylinder 11, then opening the cover plate 4 by the holding part 43, and loosening the bolts to detach the cover plate 4 from the connecting part 321.

Has the advantages that:

through placing fastener 32 in recess 3 to cover 3 notches of recess with apron 4, and then play the guard action to fastener 32, reduced the direct striking fastener 32's of rinding body probably, strengthened fastener 32 to the stability that welt 2 and ball mill barrel 11 lateral wall are connected, reduce the not hard up of welt 2, strengthen the guard action of welt 2 to 11 inner walls of ball mill barrel.

Because the cover plate 4 is matched with the clamping groove 42 through the clamping between the clamping strip 41, the connection stability between the cover plate 4 and the inner wall of the groove 3 is further enhanced, and the protection effect of the cover plate 4 on the fastener 32 is further enhanced.

Through the detachable connection between the snap ring 61 and the connection portion 321, the cover plate 4 is conveniently replaced when the cover plate 4 is damaged.

Due to the arrangement of the surface of the 'wave-shaped' lining plate 2, the impact force of the grinding body on the lining plate 2 is dispersed into component forces in all directions, so that the damage of the grinding body on the lining plate 2 is reduced, and the service life of the lining plate 2 is prolonged.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a ball mill welt anti-drop structure, includes ball mill barrel (11), ball mill barrel (11) inner wall is provided with a plurality of welts (2), a plurality of jacks (12), its characterized in that have been seted up to ball mill barrel (11) outer wall: adjacent splice each other between welt (2), it is a plurality of welt (2) are kept away from a side indent of ball mill barrel (11) inner wall is equipped with recess (3), recess (3) notch is equipped with rather than joint complex apron (4), apron (4) are close to a side of recess (3) tank bottom be equipped with apron (4) can dismantle fastener (32) of connection, fastener (32) run through recess (3) and wear out jack (12) and with jack (12) threaded connection.

2. The ball mill liner plate anti-drop structure of claim 1, wherein: the structure of fastener (32) is "U-shaped" setting, "U-shaped" fastener (32) are including connecting portion (321) and locking portion (322), locking portion (322) outside is equipped with external screw thread (323), locking portion (322) are worn out jack (12) and with ball mill barrel (11) lateral wall is fixed.

3. The ball mill liner plate anti-drop structure of claim 2, wherein: apron (4) are close to the side of recess (3) tank bottom be equipped with a plurality of with joint ring (61) of connecting portion (321) joint, a plurality of joint ring (61) are kept away from apron (4) one side all is equipped with retaining member (63).

4. The ball mill liner plate anti-drop structure of claim 3, wherein: connecting portion (321) are equipped with a plurality of concave strips (52) of evenly arranging along its length direction to the indent, joint ring (61) with the side of connecting portion (321) looks joint laminating is outside protruding be equipped with concave strip (52) joint complex sand grip (51).

5. The ball mill liner plate anti-drop structure of claim 1, wherein: one of the lining plate (2) and the other lining plate (2) are mutually attached, an inserting block (22) is arranged on the side face, and a slot (23) which is matched with the inserting block (22) in a clamping mode is inwards and concavely arranged on the other lining plate (2).

6. The ball mill liner plate anti-drop structure of claim 1, wherein: the apron (4) are equipped with card strip (41) along its circumference is outside protruding, the position that recess (3) inner wall is close to the notch is equipped with along its circumference inwards concave with card strip (41) joint complex draw-in groove (42).

7. The ball mill liner plate anti-drop structure of claim 1, wherein: and one side surface of the lining plates (2) far away from the inner wall of the ball mill cylinder body (11) is in a wave shape.

8. The ball mill liner plate anti-drop structure of claim 1, wherein: and a sound insulation layer (21) is arranged on the side surface of the lining plates (2) which is attached to the inner wall of the ball mill cylinder body (11).