CN219291504U - Crushing structure for improving machine-made sand particle shape - Google Patents

Abstract

The utility model relates to the technical field of building material processing equipment, in particular to a crushing structure for improving a machine-made sand particle shape, which comprises a first roller and a second roller, wherein the first roller is fixedly connected with the second roller, the diameter of the first roller is larger than that of the second roller, the first roller is provided with a groove, and the groove is positioned at the outer side of the first roller; the utility model adopts a combined structure of two groups of rollers with different diameters, the two groups of rollers have rotating speed difference when in operation, and the diameter of the first roller is larger than that of the second roller, so that sand grains are mutually rubbed when the two rollers are in opposite operation, the two rollers are extruded and crushed, and the two rollers are rubbed and crushed, and the relative linear speed difference of the two roller surfaces can cause the crushed materials to roll and rub.

Description

Crushing structure for improving machine-made sand particle shape

Technical Field

The utility model relates to the technical field of building material processing equipment, in particular to a crushing structure for improving machine-made sand particle shapes.

Background

China is a country with large building material requirements, and the grain shape of fine sand has large influence on the performance of concrete. The traditional medium-high pressure roller sand maker has the advantages of low energy consumption, high efficiency, high sand forming rate at one time and the like.

However, the crushing roller of the traditional roller sand making machine is of a smooth roller structure with a single diameter, and only has the extrusion crushing function in the use process, so that the finished sand has the defect of large needle and sheet duty ratio.

Disclosure of Invention

The utility model aims to provide a crushing structure for improving machine-made sand grain shapes, and aims to solve the technical problem that a crushing roller of a traditional roller sand making machine is of a smooth roller structure with a single diameter, and has only the extrusion crushing function in the use process, so that the occupancy ratio of finished sand grain shapes to needles and sheets is large.

In order to achieve the above object, the utility model provides a crushing structure for improving the shape of machine-made sand particles, comprising a crushing roller, wherein the crushing roller comprises a first roller and a second roller, the first roller is fixedly connected with the second roller, the diameter of the first roller is larger than that of the second roller, the first roller is provided with a groove, and the groove is positioned on the outer side of the first roller.

The first roller is further provided with an inclined plane, and the inclined plane is positioned at one end of the first roller, which is close to the second roller.

Wherein the first roller further has an inner groove located inside the first roller.

The crushing structure for improving the machine-made sand particle shape further comprises a partition plate, wherein the partition plate is fixedly connected with the first roller and is positioned in the inner groove.

The crushing structure for improving the machine-made sand particle shape further comprises a mounting plate, wherein the mounting plate is fixedly connected with the first roller and is positioned on one side of the first roller, which is close to the partition plate.

The utility model relates to a crushing structure for improving machine-made sand particle shape, which adopts a combined structure of two groups of rollers with different diameters, the two groups of rollers have rotation speed difference in operation, and the diameter of a first roller is larger than that of a second roller, so that the two rollers rub sand particles mutually when operating oppositely, the two rollers crush sand particles in a squeezing way, the two rollers rub and crush the sand particles, the relative linear speed difference of the two roller surfaces causes the crushed materials to roll and rub, compared with the traditional single-diameter smooth roller structure crushing structure, the needle and sheet particle shape materials can be reduced by 70-80% under the same working condition, the needle and sheet proportion of the crushed materials is reduced, the shaping effect is achieved, and the particle shape of the machine-made sand is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a crushing structure for improving a machine-made sand grain shape.

Fig. 2 is a schematic view of the connection of the separator plate and the first roller provided by the present utility model.

In the figure: 1-first roller, 2-second roller, 3-recess, 4-inclined plane, 5-inside groove, 6-baffle, 7-mounting panel.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 and 2, the present utility model provides a crushing structure for improving a machine-made sand grain shape, comprising a crushing roller, wherein the crushing roller comprises a first roller 1 and a second roller 2, the first roller 1 is fixedly connected with the second roller 2, the diameter of the first roller 1 is larger than that of the second roller 2, the first roller 1 is provided with a groove 3, and the groove 3 is positioned at the outer side of the first roller 1.

In this embodiment, the crushing roller is composed of the first roller 1 and the second roller 2, the second roller 2 is fixedly connected to one end of the first roller 1, the first roller 1 and the second roller 2 are both cylindrical, the diameter of the first roller 1 is larger than that of the second roller 2, a plurality of grooves 3 are arranged on the circumferential array of the outer surface of the first roller 1, and the shaping effect on sand grains is further improved through the grooves 3.

Further, referring to fig. 1 and 2, the first roller 1 further has a bevel 4, and the bevel 4 is located at an end of the first roller 1 near the second roller 2.

In this embodiment, the first roller 1 has the inclined surface 4 near the end of the second roller 2, and the inclined surface 4 enables the two groups of rollers with different diameters to be matched better, so as to crush and reshape sand grains.

Further, referring to fig. 2, the first roller 1 further has an inner groove 5, and the inner groove 5 is located inside the first roller 1.

Further, referring to fig. 2, the crushing structure for improving the machine-made sand grain shape further includes a partition plate 6, where the partition plate 6 is fixedly connected to the first roller 1 and is located in the inner groove 5.

Further, referring to fig. 2, the improved machine-made sand grain-shaped crushing structure further includes a mounting plate 7, where the mounting plate 7 is fixedly connected to the first roller 1 and located on a side of the first roller 1 near the partition 6.

In this embodiment, the first roller 1 and the second roller 2 are provided with the same inside groove 5, through the inside groove 5 lighten the weight of first roller 1 with the second roller 2, facilitate the use, the internally mounted of first roller 1 has baffle 6, through the structural strength of the whole crushing roller is increased to baffle 6, the mounting panel 7 is installed respectively at the both ends that keep away from each other of first roller 1 with the second roller 2, mounting panel 7 is the fretwork, through mounting panel 7 with baffle 6 joins in marriage, and the installation of the crushing roller of being convenient for is used to improve the structural strength of crushing roller.

The utility model relates to a crushing structure for improving machine-made sand particle shape, which adopts a combined structure of two groups of rollers with different diameters, the two groups of rollers have rotating speed difference when in operation, and the diameter of a first roller 1 is larger than that of a second roller 2, so that the two rollers rub sand particles mutually when in opposite operation, the two rollers crush and crush sand particles, the relative linear speed difference of the two roller surfaces causes the crushed materials to roll and rub, compared with the traditional single-diameter smooth roller structure crushing structure, the needle and sheet particle shape materials can be reduced by 70-80 percent under the same working condition, the needle and sheet proportion of the crushed materials is reduced, the shaping effect is achieved, and the particle shape of the machine-made sand is improved.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (5)

1. The utility model provides an improve broken structure of mechanism sand grain shape, its characterized in that includes crushing roller, crushing roller includes first roller and second roller, first roller with second roller fixed connection, the diameter of first roller is greater than the diameter of second roller, first roller has the recess, the recess is located the outside of first roller.

2. The improved mechanically-made sand grain-shaped crushing structure of claim 1,

the first roller also has a bevel located at an end of the first roller adjacent to the second roller.

3. The improved mechanically-made sand grain-shaped crushing structure of claim 1,

the first roller also has an inner groove located inside the first roller.

4. The improved mechanically-made sand grain-shaped crushing structure of claim 3,

the crushing structure for improving the machine-made sand particle shape further comprises a partition plate, wherein the partition plate is fixedly connected with the first roller and is positioned in the inner groove.

5. The improved mechanically-made sand grain-shaped crushing structure of claim 4,

the crushing structure for improving the machine-made sand particle shape further comprises a mounting plate, wherein the mounting plate is fixedly connected with the first roller and is positioned on one side of the first roller, which is close to the partition plate.

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