CN215429456U

CN215429456U - Screening and crushing device

Info

Publication number: CN215429456U
Application number: CN202121779201.8U
Authority: CN
Inventors: 刘永杰; 周更生
Original assignee: Anhui Mate Engineering Machinery Co ltd
Current assignee: Anhui Mate Engineering Machinery Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-07
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a screening and crushing device which comprises a case, wherein a crushing part and a screening part are arranged in the case; the crushing part comprises a rotating shaft which is rotatably connected with the case, at least one group of cutting boards is fixedly connected to the rotating shaft, one end of each cutting board is fixedly connected with the rotating shaft, and all the cutting boards in one group are spirally arranged around the rotating shaft; screening portion includes the grid of arranging along pivot axis direction, the grid is equipped with a plurality ofly, the grid with quick-witted case swing joint, the grid is located the rear of pivot, this application is through setting up detachable screening board to come fixed connection grid through the grid mounting groove on the screening board, therefore can be through changing the screening board of unidimensional, and then adjust the interval of adjacent grid, in order to reach the mesh of adjustment screening size, the handle of a knife of this application also can follow the screening board and carry out size adjustment, has improved the commonality of this application.

Description

Screening and crushing device

Technical Field

The utility model relates to the technical field of crushing and screening, in particular to a screening and crushing device.

Background

The method is characterized in that fixed garbage such as soil blocks, stones, construction garbage and the like is easily generated in construction sites such as construction sites, the solid garbage needs to be subjected to environmental protection treatment, the solid material needs to be subjected to screening, crushing, aeration, mixing, stirring, separation, feeding, loading and other operations in the current common environmental protection engineering treatment process flow, and various equipment combinations are usually required for the treatment.

The screening and crushing device is used for crushing and crushing solid garbage, can be used independently, and can also be installed on engineering vehicles such as a forklift and the like to be used as auxiliary equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screening and crushing device to solve the problems in the background technology.

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

a screening and crushing device comprises a case, wherein a crushing part and a screening part are arranged in the case;

the crushing part comprises a rotating shaft which is rotatably connected with the case, at least one group of cutting boards is fixedly connected to the rotating shaft, one end of each cutting board is fixedly connected with the rotating shaft, and all the cutting boards in one group are spirally arranged around the rotating shaft;

the screening portion includes the grid that arranges along pivot axis direction, the grid is equipped with a plurality ofly, the grid with quick-witted case swing joint, the grid is located the rear of pivot.

As a further scheme of the utility model: the rotating shaft is provided with a left side cutting board group and a right side cutting board group which are bilaterally symmetrical.

As a further scheme of the utility model: two groups of cutter plate groups are arranged in the right cutter plate group, a plurality of cutter plates are arranged in the two groups of cutter plate groups, the cutter plates in each group of cutter plate groups are spirally arranged, and the cutter plates in the two groups of cutter plate groups are arranged at intervals.

As a further scheme of the utility model: one end of the cutting board close to the rotating shaft is sleeved on the rotating shaft, and one end of the cutting board far away from the rotating shaft forms a crushing cutter head.

As a further scheme of the utility model: and a power part for driving the rotating shaft to rotate is arranged in the case.

As a further scheme of the utility model: the machine is characterized in that a screening plate is detachably connected in the machine case, two screening plates are arranged, and the grids are clamped between the two screening plates.

As a further scheme of the utility model: the screening plate is provided with a grid mounting groove, and two ends of the grid are respectively inserted into the grid mounting grooves on the screening plates at two ends.

As a further scheme of the utility model: the screening machine is characterized in that an installation baffle is fixedly connected in the machine case, the screening plate is installed at the front end of the installation baffle, and the screening plate is fixedly connected with the installation baffle through a pressing plate.

As a further scheme of the utility model: it is adjacent be equipped with the grid clearance that is used for the screening between the grid, the one end that the pivot was kept away from to the cutting board is greater than the grid reaches the distance of pivot, the cutting board is kept away from the one end of pivot can be followed correspondingly the grid clearance freely passes.

As a further scheme of the utility model: a feeding hole and a discharging hole are formed in the case, and the feeding hole is located in front of the crushing portion and the screening portion.

Compared with the prior art, the utility model has the beneficial effects that:

1. the detachable screening plate is arranged, and the grids are fixedly connected through the grid mounting grooves in the screening plate, so that the distance between adjacent grids can be adjusted by replacing screening plates with different sizes, the purpose of adjusting the screening size is achieved, the cutter handle can also adjust the size along with the screening plate, and the universality of the cutter is improved;

2. the utility model provides a pivot is equipped with many, therefore can increase the charge level, improves crushing efficiency, and the cutting board becomes the heliciform in the pivot and arranges moreover, so can also start the conduct that the level pushed away the material at the pivoted in-process, can prevent as required that the material from piling up, also can push and concentrate the fixed material level of jumbo size after unable breakage and screening as required to one side and discharge.

Drawings

FIG. 1 is a front view of a pulverizing and screening device of the present application;

FIG. 2 is a cross-sectional view of the present application A-A;

FIG. 3 is a schematic view of a knife plate distribution according to the present application;

FIG. 4 is a schematic structural diagram of a screening part in embodiment 1 of the present application;

FIG. 5 is a schematic view showing the distribution of crushing blades in example 1;

FIG. 6 is a schematic diagram of the construction of a screen plate according to example 1 of the present application;

FIG. 7 is a schematic structural view of a screening part in embodiment 2 of the present application;

FIG. 8 is a schematic view showing the distribution of crushing blades in example 2;

figure 9 is the application of the embodiment 2 sieve plate structure diagram.

In the figure: 1-case, 2-grid, 3-rotating shaft, 4-knife board, 41-first knife board, 42-second knife board, 43-third knife board, 44-fourth knife board, 45-fifth knife board, 5-installation baffle, 6-screening board, 7-pressing board, 8-power part and 9-grid installation groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, in an embodiment of the present invention, a screening and crushing apparatus includes a casing 1, a crushing portion and a screening portion are disposed in the casing 1, a feeding port and a discharging port are disposed on the casing 1, and the feeding port is located in front of the crushing portion and the screening portion.

The crushing part comprises a rotating shaft 3 which is rotatably connected with a case 1, a power part 8 which is used for driving the rotating shaft 3 to rotate is arranged in the case 1 and is used for driving the rotating shaft 3 to rotate, in the embodiment, three rotating shafts 3 are arranged in parallel, at least one group of knife boards 4 is fixedly connected on the rotating shaft 3, one end of each knife board 4 is fixedly connected with the rotating shaft 3, all the knife boards 4 in one group are spirally arranged around the rotating shaft 3, each group of knife boards 4 comprises a plurality of knife boards 4, in the embodiment, a middle knife board is arranged on the rotating shaft 3, a left knife board group and a right knife board group are respectively arranged on two sides of the middle knife board, the left knife board group and the right knife board group are symmetrically arranged in a left-right mode, the right knife board group comprises a first knife board group and a second knife board group, wherein one group of knife boards 4 comprises a first knife board 41, a second knife board 42, a third knife board 43, a fourth knife board 44 and a fifth board 45 which are sequentially arranged, first cutting board 41, second cutting board 42, third cutting board 43, fourth cutting board 44, fifth cutting board 45 evenly arrange along pivot 3 axis, the contained angle between the adjacent cutting board is the same, second cutting board group is including the first cutting board 41, second cutting board 42, third cutting board 43, fourth cutting board 44 that arrange in proper order, cutting board 4 of first cutting board group, second cutting board group arranges in turn, as shown in fig. 5, cutting board through spiral arrangement can be at the in-process of smashing the material to the material shaping guide effect, prevent that the material from gathering at both ends.

The screening part comprises a plurality of grids 2 arranged along the axial direction of a rotating shaft 3, the grids 2 are arranged, the grids 2 are positioned behind the rotating shaft 3, a screening plate 6 is detachably connected in a case 1, two screening plates 6 are arranged, grid mounting grooves 9 are formed in the screening plate 6, two ends of each grid 2 are respectively inserted into the grid mounting grooves 9 on the screening plates 6 at two ends, in the embodiment, the distance between the adjacent grid mounting grooves 9 on the screening plate 6 is 25mm, the thickness of each cutter plate is 25mm, the size of crushed and screened material particles is 25mm, a mounting baffle plate 5 is fixedly connected in the case 1, the screening plate 6 is mounted at the front end of the mounting baffle plate 5, the screening plate 6 is fixedly connected with the mounting baffle plate 5 through a pressing plate 7, a grid gap for screening is arranged between the adjacent grids 2, the distance from one end of the cutter plate 4, far away from the rotating shaft 3, to the rotating shaft 3 is larger than the distance from the grids 2 to the rotating shaft 3, the one end that cutting board 4 is close to pivot 3 cup joints on pivot 3, and the one end that pivot 3 was kept away from to cutting board 4 forms broken tool bit, and the broken tool bit of the one end that pivot 3 was kept away from to cutting board 4 can freely pass from the grid clearance that corresponds.

When the utility model is used, firstly, the distance between the adjacent knife boards is adjusted to ensure that the distance between the adjacent knife boards is 25mm, then two screening boards 6 are placed on the mounting baffle 5, and the grids 2 are sequentially clamped between the screening boards 6 at two ends, because the distance between the grid mounting grooves 9 on the screening boards 6 is 25mm, the grids 2 and the knife boards are alternately arranged, and the knife boards can freely pass through the adjacent grids 2, after all the grids 2 are mounted, the pressing plates 7 are pressed on the screening boards 6 and fixed, further, the screening boards 6 and the mounting baffle 5 can be fixedly connected, after the fixation is finished, the crushing and screening work can be carried out, when the utility model works, the power part 8 is started, the rotating shaft 3 is driven to rotate by the power part 8, then the knife boards on the rotating shaft are driven to rotate while the rotating shaft 3 rotates, and because the knife boards on the rotating shaft 3 are spirally arranged, therefore still have the effect of carrying out horizontal promotion to the material when rotatory carrying out the breakage simultaneously, therefore can set up the direction of rotation of all cutting boards on the rotation axis 3 as required, when all cutting boards are rotatory to the other end by 3 one ends in the pivot, the material can be followed one end and promoted to the other end, be fit for the condition of one end feeding, when all cutting boards are rotatory gradually to both ends by 3 middle parts in the pivot, can prevent middle windrow in the course of the work, when all cutting boards are rotatory gradually to the centre by 3 both ends in the pivot, can prevent both ends windrow in the course of the work, rotatory suitable arrangement, can effectual increase work efficiency, also can prevent local windrow, or concentrate unable kibbling material through the effect of transversely pushing away the material. At cutting board pivoted in-process, will treat kibbling material and drop into quick-witted case 1 from the feed inlet in, then the material can fall the cutting board top to carry out the breakage through the cutting board, will drop between the adjacent grid 2 after the material granule after the breakage is less than 25mm, and discharge through the processing discharge gate of quick-witted case 1, and then accomplish crushing screening work.

Example 2

Referring to fig. 1-3 and 7-9, in the embodiment of the present invention, a screening plate 6 of example 1 is replaced, in the embodiment, the distance between adjacent grid mounting grooves 9 on the screening plate 6 is 50mm, a knife plate 4 can be replaced by a knife plate with a thickness of 50mm, or knife plates with a thickness of 25mm in the embodiment can be stacked, two knife plates with a thickness of 25mm are used together as a knife plate with a thickness of 50mm, and the rest of the mechanism and the using process are the same as those in example 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A screening and crushing device is characterized by comprising a case (1), wherein a crushing part and a screening part are arranged in the case (1);

the crushing part comprises a rotating shaft (3) rotatably connected with the case (1), at least one group of knife boards (4) are fixedly connected to the rotating shaft (3), one end of each knife board (4) is fixedly connected with the rotating shaft (3), and all the knife boards (4) in one group are spirally arranged around the rotating shaft (3);

the screening part comprises a plurality of grids (2) arranged along the axis direction of the rotating shaft (3), the grids (2) are movably connected with the case (1), and the grids (2) are located behind the rotating shaft (3).

2. A screening and crushing device as claimed in claim 1, wherein the rotating shaft (3) is provided with a left blade plate group and a right blade plate group which are bilaterally symmetrical.

3. A screening and crushing device as claimed in claim 2, wherein two groups of cutter bar groups are arranged in the right cutter bar group, a plurality of cutter bars (4) are arranged in the two groups of cutter bar groups, the cutter bars (4) in each group of cutter bar groups are arranged in a spiral manner, and the cutter bars (4) in the two groups of cutter bar groups are arranged at intervals.

4. A screening and crushing device as claimed in claim 1, wherein one end of the knife plate (4) close to the rotating shaft (3) is sleeved on the rotating shaft (3), and one end of the knife plate (4) far from the rotating shaft (3) forms a crushing cutter head.

5. A screening and crushing unit as claimed in claim 1, wherein a power unit (8) is provided in the housing (1) for rotating the shaft (3).

6. A screening and crushing device as claimed in claim 1, wherein two screening plates (6) are detachably connected to the inside of the case (1), and the grating (2) is clamped between the two screening plates (6).

7. A screening and crushing device as claimed in claim 6, wherein the screening plate (6) is provided with a grid mounting groove (9), and two ends of the grid (2) are respectively inserted into the grid mounting grooves (9) of the screening plates (6) at the two ends.

8. A screening and crushing device as claimed in claim 6, wherein a mounting baffle (5) is fixedly connected in the case (1), the screening plate (6) is mounted at the front end of the mounting baffle (5), and the screening plate (6) is fixedly connected with the mounting baffle (5) through a pressing plate (7).

9. A screening and crushing device as claimed in claim 1, wherein a grid gap for screening is arranged between adjacent grids (2), the distance from one end of the knife plate (4) far away from the rotating shaft (3) to the rotating shaft (3) is larger than the distance from the grid (2) to the rotating shaft (3), and one end of the knife plate (4) far away from the rotating shaft (3) can freely pass through the corresponding grid gap.

10. A screening and crushing unit as claimed in claim 1, wherein the housing (1) is provided with a feed inlet and a discharge outlet, the feed inlet being located in front of the crushing section and the screening section.