CN219482956U - Grid plate for large mining mill - Google Patents

Abstract

The utility model discloses a grid plate for a large-scale mining mill, and particularly relates to the technical field of accessories of the mining mill. The utility model can minimize the unreasonable stress of the bolt and prevent the bolt from breaking.

Description

Grid plate for large mining mill

Technical Field

The utility model relates to the technical field of accessories of mining mills, in particular to a grid plate for a large-scale mining mill.

Background

The ore discharging mode of the large-scale mining mill is divided into an overflow type and a forced ore discharging type, wherein the overflow type is to enable ore materials to be naturally accumulated in the inner cavity of the mill cylinder, and when the height of the ore materials in the inner cavity of the mill cylinder reaches the height of a discharge hole on a discharge end cover of the mill, the ore materials can flow out from the discharge end cover to realize overflow type ore discharging; the forced ore discharging device is additionally arranged on the discharging end cover, and is usually a circle of ore pulp lifters arranged on the inner wall of the discharging end cover and a circle of grid plates arranged on the ore pulp lifters, a plurality of arc lifting strips are arranged on the whole circle of the ore pulp lifters and the grid plates, grid holes are further formed in the grid plates, when the end cover rotates, ore materials are lifted through the arc lifting strips on the grid plates, so that the ore materials flow through the grid holes on the grid plates to enter between the grid plates and the ore pulp lifters, and then are dynamically lifted to a discharge hole of the discharging end cover by the arc lifting strips of the ore pulp lifters, so that the ore materials flow out of the mill from the discharging end cover.

In the use process of the existing grid plates, the grid plates in use are connected by bolts, and bolts at the connection positions are easy to be damaged due to uneven stress.

The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a grid plate for a large-scale mining mill, which aims to solve the technical problems that: how to prevent the bolt from breaking due to uneven stress.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grating for large-scale mining mill, is including the main grating that is fan-shaped setting and the extension grating that is located main grating and keeps away from mill end cover axis one side, main grating and the fixed connecting strip that is equipped with in one of them terminal surface front side edge position of extending the grating and another terminal surface trailing edge position fixing are equipped with down the connecting strip, and go up the connecting strip both ends and all run through and be equipped with screw one, and the position department that corresponds screw one at lower connecting strip both ends all runs through and is equipped with screw two, main grating and the front side surface one side of extending the grating are all fixed to be inlayed and are equipped with the lifting strip and the caulking groove has all been seted up to the opposite side, slot has been seted up towards one side central point of extending the grating to main grating, extends the grating and corresponds to be equipped with the picture peg to main grating one side, and the picture peg activity is pegged graft in the slot is inside.

In a preferred embodiment, the main grid plate and the extension grid plate have equal thickness, and the upper connecting strip and the lower connecting strip at corresponding positions have equal thickness, and the thicknesses of the upper connecting strip and the lower connecting strip are half of the thicknesses of the main grid plate and the extension grid plate at corresponding positions.

In a preferred embodiment, the lifting bar and the caulking groove are both arc-shaped, and the length of the lifting bar is twice that of the caulking groove, and the thickness of the lifting bar is greater than that of the caulking groove.

In a preferred embodiment, the lifting bars and the insertion grooves are each arranged obliquely to the direction of the central axis of the mill end cap.

In a preferred embodiment, the insert plate is provided in a mesh-like structure, and after the insert plate is inserted into the slot, the mesh holes on the insert plate are aligned with the mesh holes on the main grid plate at corresponding positions.

The utility model has the technical effects and advantages that:

1. in the mineral aggregate lifting process, the lifting strip protruding parts on the main grid plates at the current position are movably inserted into the embedded grooves on the adjacent main grid plates, and meanwhile, the upper connecting strips on the main grid plates at the current position are movably attached to the upper parts of the lower connecting strips on the adjacent main grid plates to carry out interlocking restriction on the adjacent main grid plates, so that the force born by the bolts is shared, the unreasonable stress of the bolts is minimized, and the bolts are prevented from breaking;

2. according to the utility model, the split design of splicing the main grid plate and the extension grid plates (multiple layers can be arranged) is adopted, so that the processing of the large single grid plate is facilitated, and the rapid mounting can be performed according to the actual mounting requirement, thereby being convenient and rapid.

Drawings

The accompanying drawings are included to provide a further understanding of the technical aspects of the utility model, and are incorporated in and constitute a part of this specification, and are included to illustrate and explain the utility model.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the connection structure of the main lattice plate and the extension lattice plate according to the present utility model.

The reference numerals are: the device comprises a main grid plate 1, an upper connecting strip 2, a lower connecting strip 3, a lifting strip 4, a caulking groove 5, a first screw hole 6, a second screw hole 7, an extension grid plate 8, a slot 9 and a plugboard 10.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the aspects of the disclosure may be practiced without one or more of the specific details, or with other methods, components, steps, etc. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a grid plate for a large mining mill, which is shown in fig. 1-2, and comprises a main grid plate 1 and an extension grid plate 8, wherein the main grid plate 1 is in a fan shape, the extension grid plate 8 is positioned on one side of the main grid plate 1 far away from the central axis of an end cover of the mill, an upper connecting strip 2 is fixedly arranged on the front side edge position of one end face of the main grid plate 1 and the extension grid plate 8, a lower connecting strip 3 is fixedly arranged on the rear side edge position of the other end face of the main grid plate 8, screw holes I6 are respectively arranged at two ends of the upper connecting strip 2 in a penetrating manner, screw holes II 7 are respectively arranged at the positions of two ends of the lower connecting strip 3 corresponding to the screw holes I6 in a penetrating manner, the adjacent two main grid plates 1 and the adjacent two extension grid plates 8 are conveniently installed and fixed through locking bolts, lifting strips 4 are fixedly embedded on one sides of the front side surfaces of the main grid plate 1 and the extension grid plates 8, inserting grooves 5 are respectively formed on the other sides of the front sides of the main grid plate 1 facing the extension grid plates 8, inserting plates 9 are correspondingly arranged on one sides of the main grid plate 1, and inserting plates 10 are movably inserted into the inserting plates 9.

Further, the thicknesses of the main grid plate 1 and the extending grid plate 8 are equal, the thicknesses of the connecting strips 2 and the lower connecting strips 3 at corresponding positions are equal, and the thicknesses of the upper connecting strips 2 and the lower connecting strips 3 are half of the thicknesses of the main grid plate 1 and the extending grid plate 8 at corresponding positions, so that the adjacent two main grid plates 1 and the adjacent two extending grid plates 8 can be tightly attached in the assembling process.

Further, the lifting bars 4 and the caulking grooves 5 are all arc-shaped, the length of the lifting bars 4 is twice that of the caulking grooves 5, the thickness of the lifting bars 4 is larger than that of the caulking grooves 5, and when the end cover rotates, mineral aggregate can be lifted by the aid of the lifting bars 4, so that the mineral aggregate flows through the main grid plate 1 and meshes on the extending grid plate 8 to enter between the grid plate and the ore pulp lifter.

Furthermore, the lifting strips 4 and the caulking grooves 5 are obliquely arranged in the direction of the central axis of the end cover of the mill, so that mineral aggregate can be guided to roll along the arc-shaped side surfaces of the lifting strips 4 in an accelerating manner, and the rate of mineral aggregate penetrating through meshes on the grid plate is improved.

Further, the insert plate 10 is provided in a mesh-like structure, and after the insert plate 10 is inserted into the slot 9, the mesh holes on the insert plate are aligned with the mesh holes at the corresponding positions on the main grid plate 1, so that the material passing rate of the grid plate is not affected after the assembly of the main grid plate 1 and the extension grid plate 8 is ensured.

The working principle of the utility model is as follows:

during actual use, a plurality of main grid plates 1 are sequentially and adjacently aligned (namely, the upper connecting strips 2 on the main grid plates 1 at the current position are movably attached to the upper parts of the lower connecting strips 3 on the adjacent main grid plates 1 and are fixed by using locking bolts through screw holes, and the protruding parts of the lifting strips 4 on the main grid plates 1 at the current position are movably inserted into the embedded grooves 5 on the adjacent main grid plates 1), so that a whole circle of grid plates around the central axis of the end cover are formed, and the lifting strips 4 on the whole circle of grid plates can form an alternately staggered mineral aggregate lifting ring, so that when the end cover rotates, mineral aggregate can be lifted by using the lifting strips 4, the mineral aggregate flows through the main grid plates 1 and meshes on the extending grid plates 8 to enter between the whole circle of grid plates and the pulp lifters, and then the arc lifting strips on the pulp lifters are movably lifted to the discharge outlet of the discharge end cover, so that the mineral aggregate flows out of the mill from the discharge end cover, and in the mineral aggregate lifting process, the lifting strips 4 on the current position are movably inserted into the embedded grooves 5 on the adjacent main grid plates 1, and simultaneously, the mineral aggregate lifting strips 4 on the current position are required to be lifted by using the lifting strips 4 on the main grid plates 1, and the adjacent grid plates are prevented from being attached to the adjacent grid plates 1 by the connecting plates 1, and the adjacent grid plates can be more reasonably arranged at the side of the end cover, and the end cover is prevented from being broken by the position of the connecting plates 1 by the connecting plates and the connecting bolts on the side of the main grid plates 1 at the side of the main grid plates 1.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. A lattice plate for a large mining mill, characterized by: including main grid board (1) that is fan-shaped setting and be located main grid board (1) and extend grid board (8) of mill end cover axis one side, main grid board (1) and extend grid board (8) wherein one end front side edge position fixed be equipped with connecting strip (2) and another terminal surface rear side edge position fixed be equipped with down connecting strip (3), and go up connecting strip (2) both ends and all run through and be equipped with screw one (6), the position department that corresponds screw one (6) at connecting strip (3) both ends down all runs through and is equipped with screw two (7), main grid board (1) and extend grid board (8) front side surface one side all fixed inlay and are equipped with lifting strip (4) and the caulking groove (5) have all been seted up to the opposite side, slot (9) have been seted up to main grid board (1) towards one side central point of extending grid board (8), extend grid board (8) one side towards main grid board (1) one side correspond be equipped with picture peg (10), and picture peg (10) activity peg graft in slot (9) inside.

2. A grid plate for a large mining mill according to claim 1, wherein: the main grid plate (1) and the extension grid plate (8) are equal in thickness, the thicknesses of the upper connecting strip (2) and the lower connecting strip (3) at corresponding positions are equal, and the thicknesses of the upper connecting strip (2) and the lower connecting strip (3) are half of the thicknesses of the main grid plate (1) and the extension grid plate (8) at corresponding positions.

3. A grid plate for a large mining mill according to claim 1, wherein: lifting strip (4) and caulking groove (5) all are the arc setting, and lifting strip (4) length is the twice of caulking groove (5) length, and lifting strip (4) thickness is greater than the thickness of caulking groove (5).

4. A grid plate for a large mining mill according to claim 1, wherein: the lifting strips (4) and the caulking grooves (5) are obliquely arranged towards the direction of the central axis of the end cover of the mill.

5. A grid plate for a large mining mill according to claim 1, wherein: the inserting plate (10) is in a mesh-shaped structure, and after the inserting plate (10) is inserted into the slot (9), meshes on the inserting plate are aligned with meshes at corresponding positions on the main grid plate (1).