CN219943050U - Grid plate of semi-autogenous mill - Google Patents

Abstract

The utility model relates to a grid plate of a semi-autogenous mill, which comprises a base plate, wherein the base plate is in a fan-shaped structure, two sides of the base plate are provided with side plates, the upper end face of the base plate is positioned in the middle of the base plate, a plurality of bolt mounting holes penetrating through the base plate are formed in the lifting bars, a plurality of strip-shaped sieve holes are respectively formed in the two sides of the base plate, one end, close to the center of the base plate, of the base plate is provided with a baffle, and the baffle is positioned between the two side plates. The utility model can avoid the grid plate from breaking, thereby improving the use reliability and prolonging the service life of the grid plate.

Description

Grid plate of semi-autogenous mill

Technical Field

The utility model relates to the technical field of mining machinery equipment, in particular to a grid plate of a semi-autogenous mill.

Background

The semi-automatic mill is a primary grinding device commonly used in mineral engineering, a cylinder liner plate of the semi-automatic mill continuously rotates along with the cylinder, ore grinding is carried out through impact, extrusion and friction action of grinding media on minerals, and qualified fine-particle-grade particles and ore pulp enter a discharge system after passing through a grid plate and are discharged out of the mill along with the rotation of the cylinder.

At present, in the actual use process of the grid plate, the grid plate is fan-shaped, and the end part of the fan-shaped grid plate, which is close to the center part of the grid plate, is of a plane structure, and in the actual use process, the part is the part where materials are contacted with steel balls, if the yield is improved by improving the efficiency of the grid plate through the opening ratio, the manufacturing of the ribs between the grate seams is easily broken and worn, and the service life of the grid plate is reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the grid plate of the semi-autogenous mill, which can not increase the aperture ratio and reduce the ribs between grate joints, can force feeding by virtue of the baffle plate, increases the throughput, improves the efficiency of the mill and prolongs the service life of the grid plate.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a semi-autogenous mill check board, includes the base plate, and the base plate is fan-shaped structure, and the base plate both sides are equipped with the curb plate, and the base plate up end is located its middle part and is equipped with the lifting strip, is equipped with a plurality of bolt mounting holes that run through the base plate on the lifting strip, is equipped with a plurality of rectangular shape sieve meshes respectively on the base plate in lifting strip both sides, and the one end that the base plate is close to its centre of a circle is equipped with the baffle, and the baffle is located between two curb plates.

Preferably, the baffle is isosceles trapezoid, and the upper end face of the isosceles trapezoid is flush with the upper end face of the lifting bar.

Preferably, lifting lugs for lifting are symmetrically arranged on two sides of the lifting strip.

Preferably, the section of the bolt mounting hole is a strip hole,

preferably, the base plate, the side plate, the baffle plate and the lifting bar are integrally formed.

Preferably, the elongated screen holes are obliquely arranged.

Preferably, the middle part of the lower end surface of the base plate is provided with an assembly groove along the radial direction.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the baffle plate is arranged, so that the integral structural strength of the grid plate is increased, the material and the steel balls are prevented from being broken, the movement of the material and the steel balls in the radial direction is blocked, the scouring force of the material and the steel balls is avoided, the abrasion of the grid plate is slowed down, the service life of the grid plate is prolonged, the radial flow of the material is blocked by the baffle plate through the rotation of the mill, the amount of the material passing through the strip-shaped sieve holes is increased, forced feeding is realized, the material is forced to be discharged from the mill as soon as possible, the yield is increased, and the production efficiency is improved.

2. Through setting up the curb plate to play certain guard action to the marginal position of grid board, in addition, grid board both sides increase the curb plate, in mill actual operation in-process, realized blocking the scouring force of material and steel ball from the circumferencial direction, slowed down the wearing and tearing of grid board, thereby further prolonged the life of grid board.

Drawings

FIG. 1 is a first perspective view of an embodiment of the present utility model;

FIG. 2 is a second perspective view of an embodiment of the present utility model;

FIG. 3 is a schematic view of the overall structure of the present utility model when used in combination;

fig. 4 is a partial enlarged view at a in fig. 3.

The marks in the figure: 1. base plate, 101, lifting bar, 102, curb plate, 103, baffle, 104, rectangular sieve mesh, 105, assembly groove, 2, bolt mounting hole, 3, lug.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, an embodiment of the utility model provides a grid plate of a semi-autogenous mill, which comprises a substrate 1, wherein the substrate 1 is in a fan-shaped structure, two sides of the substrate 1 are provided with side plates 102, the upper end surface of the substrate 1 is positioned at the middle part of the substrate, a lifting strip 101 is arranged on the lifting strip 101, a plurality of bolt mounting holes 2 penetrating through the substrate 1 are arranged on the substrate 1, a plurality of strip-shaped sieve holes 104 are respectively arranged on two sides of the lifting strip 101, one end, close to the center of the substrate 1, of the substrate 1 is provided with a baffle 103, and the baffle 103 is positioned between the two side plates 102.

Wherein, the one end that base plate 1 is close to its centre of a circle is the tip, and the one end that keeps away from the centre of a circle is the tip, baffle 103 sets up at the tip, baffle 103 is isosceles trapezoid, isosceles trapezoid's up end and lifting bar 101 up end parallel and level, base plate 1, curb plate 102, baffle 103 and lifting bar 101 are made as an organic wholely, through setting up baffle 103, on the one hand increased the holistic structural strength of check board, avoid being broken by material and steel ball, on the other hand, blocked the motion of material and steel ball in radial direction, avoided the scouring force of material and steel ball, slowed down the wearing and tearing of check board, thereby prolonged the life of check board, and through mill self rotation, the radial flow of material has been blocked to the standing bar, increased the quantity of material through rectangular sieve mesh 104, realized forcing the material to discharge from mill inside as early as possible, thereby increased output, production efficiency has been improved.

Specifically, lifting strips 101 are radially arranged on the base plate 1 along the base plate 1, side plates 102 are radially arranged on the base plate 1 along the base plate 1, the height of the lifting strips 101 is higher than that of the side plates 102, and the side plates 102 are arranged to protect the edge of the grid plate.

More specifically, the cross-section of lifting strip 101 is isosceles trapezoid, lifting strip 101 bilateral symmetry is equipped with the lug 3 that is used for hoist and mount, and lug 3 is four, and lug 3 of every side is two, and lug 3 is used for conveniently hoisting the grid, and a plurality of rectangular sieve meshes 104 that are located same one side are the same in width, and the length is different.

In addition, as shown in fig. 1 and 2, the bolt mounting holes 2 are three and are arranged at intervals, the cross section of the bolt mounting holes 2 is a strip-shaped hole, the bolt mounting holes 2 are used for assembling the grid plate on the ore pulp lifter through bolts, the strip-shaped sieve holes 104 are obliquely arranged, and the middle part of the lower end surface of the base plate 1 is provided with an assembly groove 105 along the radial direction of the base plate.

When the device is specifically used, the lifting lugs 3 are hooked by the lifting hooks, the grid plates are lifted into the semi-autogenous mill, the assembly grooves 105 are matched with the pulp lifter, the grid plates are fixed on the pulp lifter by bolts through the bolt mounting holes 2 on the lifting strips 101, and a plurality of grid plates are fixedly connected on the pulp lifter to form a circular ring, as shown in fig. 3, and the pulp lifter is omitted in fig. 3.

Of course, the utility model is not limited to the embodiments described above, but several other embodiments based on the design concept of the utility model are provided below.

For example, in other embodiments, the baffle plate 103 may be two trapezoidal plates, unlike the embodiments described above, with the trapezoidal plates being located between the baffle plate 103 and the lifting bar 101, with the hypotenuse of the trapezoidal plates facing upwards.

It should be noted that the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims (7)

1. The utility model provides a semi-autogenous mill check board, a serial communication port, including base plate (1), base plate (1) is fan-shaped structure, base plate (1) both sides are equipped with curb plate (102), base plate (1) up end is located its middle part and is equipped with lifting strip (101), be equipped with a plurality of bolt mounting holes (2) that run through base plate (1) on lifting strip (101), be equipped with a plurality of rectangular sieve meshes (104) respectively on base plate (1) in lifting strip (101) both sides, base plate (1) are close to its centre of a circle's one end and are equipped with baffle (103), baffle (103) are located between two curb plates (102).

2. A semi-autogenous mill grid plate as defined in claim 1, wherein: the baffle (103) is in an isosceles trapezoid shape, and the upper end face of the isosceles trapezoid is flush with the upper end face of the lifting bar (101).

3. A semi-autogenous mill grid plate as defined in claim 1, wherein: lifting lugs (3) for hoisting are symmetrically arranged on two sides of the lifting strip (101).

4. A semi-autogenous mill grid plate as defined in claim 2 or 3, wherein: the section of the bolt mounting hole (2) is a strip-shaped hole.

5. A semi-autogenous mill grid plate as defined in claim 4 wherein: the base plate (1), the side plates (102), the baffle plates (103) and the lifting strips (101) are integrally manufactured.

6. A semi-autogenous mill grid plate as defined in claim 5, wherein: the strip-shaped sieve holes (104) are obliquely arranged.

7. A semi-autogenous mill grid plate as defined in claim 6, wherein: the middle part of the lower end surface of the base plate (1) is provided with an assembly groove (105) along the radial direction.