CN210279340U

CN210279340U - Ball mill ore discharge grid plate fixing device

Info

Publication number: CN210279340U
Application number: CN201920753795.1U
Authority: CN
Inventors: 韦堂敏; 张传龙
Original assignee: Wenshan Malipo Zijin Tungsten Group Co Ltd
Current assignee: Wenshan Malipo Zijin Tungsten Group Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-10
Anticipated expiration: 2029-05-24

Abstract

The utility model belongs to the technical field of ball-milling equipment, concretely relates to ball mill ore discharge grid plate fixing device, including the ball mill end cover, 8 radioactive ribs are cast on the ball mill end cover, a grid plate is arranged between any two adjacent ribs, a plurality of evenly distributed screw holes are arranged on the ribs along the length direction of the ribs, and any two adjacent screw holes are arranged in a staggered way; the draw-in groove has been seted up to rib bilateral symmetry, the both ends of grid plate are located two adjacent relative draw-in grooves of rib respectively, be equipped with the enhancement subassembly on the rib, the utility model discloses the high and maintenance of grid plate of the high just of fixed stability of well grid plate is changed easy operation, and maintenance change time is short, efficient.

Description

Ball mill ore discharge grid plate fixing device

Technical Field

The utility model belongs to the technical field of ball-milling equipment, the improvement on the fixing device of row's ore deposit grid plate on concretely relates to ball mill.

Background

And a bearing inner sleeve and a mine discharging grid are arranged in an end cover with a hollow shaft neck at the mine discharging end. The ore discharge grid is composed of a central lining plate, a grid lining plate, a dustpan-shaped lining plate and the like. Eight radial ribs are cast on the inner wall of the end cover, the end cover is divided into eight fan-shaped chambers, a dustpan-shaped lining plate is arranged in each fan-shaped chamber and fixed on the end cover by screws, and then a grid plate is arranged on each fan-shaped chamber formed by the dustpan lining plate. The lattice lining plate has two structural forms: one is formed by combining two blocks into a group, the two blocks are pressed by a wedge iron, the wedge iron penetrates through a rib by a screw to be fastened on an end cover, and the central part is supported by a spigot of a central lining plate so as to prevent the wedge iron from inclining and falling off; the other one is that two blocks are combined into one block and directly fixed by screws, and the central lining plate is star-shaped and composed of two blocks and fixed on the ribs by screws. The holes on the grid lining plate are obliquely arranged, and the width of the holes is gradually enlarged towards the ore discharging end, so that the ore pulp can be prevented from flowing backwards and coarse particles can be prevented from being blocked. The slurry flows into the fan-shaped chamber through the holes on the grid lining plate at the lower part of the ore discharging end, then turns to the upper part along with the cylinder body and is discharged along the holes. The hollow shaft neck is internally embedded with a wear-resistant inner sleeve, and one end of the hollow shaft neck is made into a horn-shaped blade so as to guide ore pulp to flow out of the mill along the blade.

The fixing of ore discharge grid plate among the prior art is insecure, and the bottom muscle of grid plate base can not be fine when installing the grid plate drags the grid plate owing to long-term wearing and tearing effect, and the grid plate drops easily and causes the work that the ball mill can not be normal. Meanwhile, in the prior art, the maintenance after the grid plate falls off wastes time and labor, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixed firm ball mill grid plate fixing device that arranges ore deposit grid plate.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that:

a ball mill ore discharge grid plate fixing device comprises a ball mill end cover, wherein 8 radioactive ribs are cast on the ball mill end cover, a grid plate is arranged between any two adjacent ribs, a plurality of threaded holes which are uniformly distributed are formed in the ribs along the length direction of the ribs, and any two adjacent threaded holes are arranged in a staggered mode; the rib two-side symmetry has seted up the draw-in groove, the both ends of grid board are located two adjacent relative draw-in grooves of rib respectively, be equipped with the reinforcement subassembly on the rib.

Preferably, the reinforcing component comprises a reinforcing plate, a plurality of bolt through holes which are uniformly distributed are formed in the reinforcing plate along the length direction of the reinforcing plate, any two adjacent bolt through holes are arranged in a staggered mode, the bolt through holes correspond to the threaded holes, and the reinforcing plate and the ribs are fixed through bolts.

Preferably, one end of the reinforcing plate is vertically bent downwards and then connected with a right-angled triangular prism-shaped plug, one right-angled edge of the plug is fixedly connected with the reinforcing plate, and the other right-angled edge of the plug is in contact with the grid plate; the other end of the reinforcing plate is detachably provided with an adjusting assembly.

Preferably, the adjusting assembly comprises a vertical plate, a connecting plate is fixedly connected to the side wall of the upper end of the vertical plate, the lower surface of the connecting plate is in contact with the upper surface of the reinforcing plate, and a bolt penetrating strip is arranged on the connecting plate along the length direction of the connecting plate; the lower end of the vertical plate is fixedly connected with a right-angle triangular prism-shaped plug.

Preferably, the bolt penetration strip is in the shape of a long groove, corresponds to the bolt penetration hole, and fixes the connecting plate and the reinforcing plate through bolts.

Preferably, the beveled edge of the plug is provided with a cushioning layer.

The utility model discloses following beneficial effect has:

1. the utility model discloses well grid plate is fixed through the cooperation of draw-in groove with the stopper and can be guaranteed the fixed stability of grid plate, prevents that the grid plate from dropping and influencing the normal work of ball mill in the use.

2. The utility model discloses set up the wear resistance that the reinforcing plate can increase the rib on the well rib, prevent that the long-term wearing and tearing of rib narrow down sink to and can not be accomplished drag the grid plate and cause droing of grid plate. Therefore, the utility model discloses can increase the wearability of rib, prolong the life of rib to guarantee that the rib avoids the grid to cause because of droing to shut down to the fixed effect of grid, saves the cost of maintenance of ball mill, improves production efficiency.

3. The utility model discloses in fix with strengthening subassembly, rib and grid through the bolt, such fixed mode installation is simple and convenient with the dismantlement, is convenient for maintain and change the grid to improve the maintenance efficiency of grid, and then improve production efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a discharge end face of the ball mill;

fig. 3 is a side view of a tendon;

FIG. 4 is a schematic view of a reinforcement assembly;

FIG. 5 is a top view of the connection plate;

FIG. 6 is a top view of the stiffener plate;

the labels in the figure are: 1-end cover of ball mill; 2-ribs; 21-card slot; 22-a threaded hole; 3-a grid plate; 4-a reinforcing plate; 41-bolt through holes; 5-a plug; 51-a buffer pad; 6-vertical plate; 7-a connecting plate; 71-bolt through-strips; 8-bolt.

Detailed Description

As shown in fig. 1-6, a ball mill ore discharge grid plate fixing device comprises a ball mill end cover 1, 8 radioactive ribs 2 are cast on the ball mill end cover 1, a grid plate 3 is arranged between any two adjacent ribs 2, a plurality of threaded holes 22 which are uniformly distributed are arranged on the ribs 2 along the length direction of the ribs 2, and any two adjacent threaded holes 22 are arranged in a staggered manner; the rib 2 bilateral symmetry has seted up draw-in groove 21, the both ends of grid plate 3 are located two adjacent relative draw-in grooves 21 of rib 2 respectively, rib 2 is equipped with reinforcing plate 4, is equipped with a plurality of evenly distributed's bolt through hole 41 along the length direction of reinforcing plate 4 on the reinforcing plate 4, and staggered arrangement between two arbitrary adjacent bolt through hole 41, bolt through hole 41 is corresponding with screw hole 22. The one end of reinforcing plate 4 is connected with right angle triangular prism shape's stopper 5 after vertical bending downwards, and a right-angle side and 4 fixed connection of reinforcing plate of stopper 5, another right-angle side and the grid 3 contact of stopper 5. The other end of the reinforcing plate 4 is detachably provided with an adjusting component. The adjusting assembly comprises a vertical plate 6, a connecting plate 7 is fixedly connected to the side wall of the upper end of the vertical plate 6, the lower surface of the connecting plate 7 is in contact with the upper surface of the reinforcing plate 4, and a bolt penetrating strip 71 is arranged on the connecting plate 7 along the length direction of the connecting plate 7; the lower end of the vertical plate 6 is fixedly connected with a right-angled triangular prism-shaped plug 5.

During the use of this embodiment, with the both sides limit card of grid plate 3 in the draw-in groove 21 of rib 2, then place reinforcing plate 4 on rib 2 and make the plug 5 of the right angle triangular prism shape on reinforcing plate 4 fill in the draw-in groove 21 of rib 2 one side, adjust the hypotenuse that plug 5 made plug 5 and the topside of draw-in groove 21 and contact, guarantee the fixed stability of grid plate 3. Then, the right-angle triangular prism-shaped plug 5 on the vertical plate 6 is plugged into the clamping groove 21 on the other side of the rib 2, and the position of the vertical plate 6 is adjusted, so that the bevel edge of the plug 5 on the vertical plate 6 is in contact with the top edge of the clamping groove 21, and the stability of fixing the grid plate 3 is ensured. After the grid plates 3 in the clamping grooves 21 on the two sides of one rib 2 are fixed and stable, bolts 8 penetrate through the bolt through strips 7, the bolt through holes 41 and the threaded holes 22 in sequence to fix the connecting plate 7, the reinforcing plate 4, the rib 2 and the grid plates 3, and the stability of fixing the grid plates 3 is guaranteed. Such fixed mode easy operation, the staff of being convenient for maintains and changes grid plate 3, reduces the degree of difficulty of grid plate 3 maintenance and change, saves the time of grid plate 3 maintenance and change to improve work efficiency.

In this embodiment, the shape of the plug 5 is not limited to a right-angled triangular prism, and other shapes, such as a wedge-shaped plug 5, may be used to fix the grid plate 3 with different thicknesses in the slot 21.

In this embodiment, set up reinforcing plate 4 on rib 2 and can increase the wear resistance of rib 2, prevent that rib 2 from narrowing down and sinking and can not be intact dragging grid plate 3 and causing the droing of grid plate 3 that the long-term wearing and tearing of rib narrow down. The thickness of the reinforcing plate 4 can be changed according to different use requirements. Consequently, this embodiment can increase the wearability of rib 2, prolongs the life of rib 2 to guarantee that rib 2 avoids grid 3 because of causing the shut down because of droing to grid 3's fixed effect, save the cost of maintenance of ball mill, improve production efficiency.

In this embodiment, vertical board 6 can conveniently be adjusted the distance between vertical board 6 and reinforcing plate 4 with 4 detachable connections of reinforcing plate to be convenient for adjust the distance between two stopper 5 in same rib 2, make stopper 5 can fix different thickness grid plate 3, enlarge the application range of strengthening the subassembly.

In this embodiment, bolt through strip 7 on connecting plate 7 is the long flute profile and is favorable to adjusting the position of connecting plate 7, and bolt 8 can be fixed in the arbitrary position of long flute profile bolt fastening strip 7 to adjust the position of vertical board 6 through the position of adjusting connecting plate 7, and then adjust the position of stopper 5, increase the adaptability of strengthening the subassembly.

As a further description of the above embodiment, the beveled edge of the plug 5 is provided with a cushion 51.

When the fixing device is used in the embodiment, the cushion pad 51 can prevent the contact part between the oblique edge of the plug 5 and the clamping groove 21 from being worn, and the grid plate 3 is easy to be fixed unstably for a long time.

And may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a ball mill ore discharge grid plate fixing device, includes ball mill end cover (1), and the ball mill end cover (1) is gone up and is cast 8 radioactive rib (2), all is equipped with grid plate (3), its characterized in that between arbitrary two adjacent rib (2): a plurality of threaded holes (22) which are uniformly distributed are formed in the rib (2) along the length direction of the rib (2), and any two adjacent threaded holes (22) are arranged in a staggered mode; clamping grooves (21) are symmetrically formed in two sides of each rib (2), two ends of each grid plate (3) are located in the clamping grooves (21) corresponding to the two adjacent ribs (2), and reinforcing assemblies are arranged on the ribs (2).

2. A ball mill discharge grid plate fixture as claimed in claim 1, wherein: the reinforcing assembly comprises a reinforcing plate (4), a plurality of bolt through holes (41) which are uniformly distributed are formed in the reinforcing plate (4) along the length direction of the reinforcing plate (4), any two adjacent bolt through holes (41) are arranged in a staggered mode, the bolt through holes (41) correspond to the threaded holes (22), and the reinforcing plate (4) and the ribs (2) are fixed through bolts (8).

3. A ball mill discharge grid plate fixture as claimed in claim 2, wherein: one end of the reinforcing plate (4) is vertically bent downwards and then connected with a right-angled triangular prism-shaped plug (5), one right-angled edge of the plug (5) is fixedly connected with the reinforcing plate (4), and the other right-angled edge of the plug (5) is in contact with the grid plate (3); the other end of the reinforcing plate (4) is detachably provided with an adjusting component.

4. A ball mill discharge grid plate fixture as claimed in claim 3, wherein: the adjusting assembly comprises a vertical plate (6), a connecting plate (7) is fixedly connected to the side wall of the upper end of the vertical plate (6), the lower surface of the connecting plate (7) is in contact with the upper surface of the reinforcing plate (4), and a bolt penetrating strip (71) is arranged on the connecting plate (7) along the length direction of the connecting plate (7); the lower end of the vertical plate (6) is fixedly connected with a right-angled triangular prism-shaped plug (5).

5. A ball mill discharge grid plate fixing device according to claim 4, characterized in that: the bolt penetrating strip (71) is in a long groove shape, the bolt penetrating strip (71) corresponds to the bolt penetrating hole (41), and the connecting plate (7) and the reinforcing plate (4) are fixed through the bolt (8).

6. A ball mill discharge grid plate fixing device according to claim 4, characterized in that: the inclined edge of the plug (5) is provided with a layer of buffer pad (51).