CN215655471U

CN215655471U - Impact breaking and crushing cavity structure

Info

Publication number: CN215655471U
Application number: CN202121969003.8U
Authority: CN
Inventors: 李海林; 邱伟; 甘德宏; 王智平; 马里
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-28
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an impact breaking and crushing cavity structure, which comprises a crushing cavity shell and an impeller arranged in the crushing cavity shell, wherein a plurality of peripheral protective plates are arranged on the inner side wall of the crushing cavity shell along the circumferential direction, and the impact breaking and crushing cavity structure is characterized in that: the bottom of the inner side of the crushing cavity shell is provided with an annular bottom plate, the bottom plate is positioned below the peripheral protection plate, the peripheral protection plate is in a frustum shape, the bottom surfaces of the peripheral protection plates are abutted against the bottom plate, and the area of the bottom surfaces of the peripheral protection plates is larger than that of the top surfaces of the peripheral protection plates; and a stockpiling area is formed between the inclined side surface of the peripheral guard plates far away from the crushing cavity shell and the bottom plate. This application has the effect that reduces the building stones to a certain extent and to the wearing and tearing that the surrounding protecting plate caused.

Description

Impact breaking and crushing cavity structure

Technical Field

The utility model relates to a crushing cavity structure, in particular to an impact crushing cavity structure, and belongs to the technical field of crushers.

Background

The impact crusher is common equipment in the field of stone and mineral processing, is called impact breaker for short, is commonly called sand making machine, is high-energy and low-consumption impact breaker with international advanced level, has irreplaceable function in various ore fine breaking equipment and is the most effective, practical and reliable stone breaking machine at present; the impact crusher is widely applied to industries of various metal and nonmetal ores, cement, refractory materials, grinding materials, glass raw materials, building aggregates, machine-made sand, metallurgy and the like. The device is suitable for medium-fine crushing operation of various ores and rocks with medium-fine crushing different hardness, such as iron ore, non-ferrous metal ore, carborundum, bauxite, quartz sand, brown corundum, perlite, basalt and other high-hardness materials, and is core equipment in domestic and foreign buildings, mines, metallurgy industries, highways, railways, bridges, hydropower, mineral grinding fields and machine-made sand industries.

Impact crusher includes feeder hopper, tripper, broken chamber, impeller, main shaft, base transmission and motor usually, motor, broken chamber and main shaft all set up on base transmission, the upper end at the main shaft is installed to the impeller, feeder hopper and tripper setting are on broken chamber, broken intracavity is provided with all backplate, the motor drives main shaft and impeller through base transmission and makes high-speed rotary motion, and the material warp throw into broken intracavity with certain speed behind the impeller acceleration, and broken intracavity bumps with all backplate, material bed and realizes "stone is beaten the stone" breakage.

Chinese patent publication No. CN210613878U discloses an impeller assembly and a crusher, including an external hopper and a crushing chamber shell, the crushing chamber shell is located below the external hopper, the inside of the crushing chamber shell is provided with the impeller assembly, a first crushing chamber and a second crushing chamber are provided between the impeller assembly and the crushing chamber shell, a circumferential guard plate is provided along the circumferential direction on the crushing chamber shell at the bottom of the first crushing chamber, an anvil iron is provided along the circumferential direction on the crushing chamber shell in the second crushing chamber, and stone is thrown to the circumferential guard plate and the anvil iron for 'stone breaking' crushing.

In view of the above-mentioned related technologies, the applicant believes that the sand making effect of the crusher adopting the stone breaking in the related technologies is not good, and the crusher adopting the stone breaking iron directly impacts the peripheral protection plate in the using process, so that the abrasion of the peripheral protection plate is accelerated.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, it is an object of the present invention to provide a structure of an impact breaking crushing chamber.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

an impact crushing cavity structure comprises a crushing cavity shell and an impeller arranged inside the crushing cavity shell, wherein a plurality of peripheral protection plates are arranged on the inner side wall of the crushing cavity shell along the circumferential direction, an annular bottom plate is arranged at the bottom of the inner side of the crushing cavity shell and is positioned below the peripheral protection plates, the peripheral protection plates are frustum-shaped, the bottom surfaces of the peripheral protection plates are abutted with the bottom plate, and the area of the bottom surfaces of the peripheral protection plates is larger than that of the top surfaces of the peripheral protection plates; and a stockpiling area is formed between the inclined side surface of the peripheral guard plates far away from the crushing cavity shell and the bottom plate.

Preferably, a gap is left between two adjacent peripheral guard plates.

Preferably, the bottom surface of the peripheral guard plate is polygonal, and the number of the edges of the bottom surface of the peripheral guard plate is at least 5.

Preferably, the distance between two adjacent peripheral guard plates at one side of the gap, which is far away from the crushing cavity shell, is larger than the distance between two adjacent peripheral guard plates at one side of the gap, which is close to the crushing cavity shell.

The utility model has the beneficial effects that:

1. in the process of introducing the stone into the crushing cavity shell and crushing, the stone is easy to accumulate on the bottom plate, because the peripheral protection plate is in a frustum shape, the area of the bottom surface of the peripheral protection plate is larger than that of the top surface of the peripheral protection plate, a stockpiling area is formed between the inclined side surface of the peripheral protection plate far away from the crushing cavity shell and the annular bottom plate, the stone is thrown into the crushing cavity shell through the impeller at a high speed, and then the stone and the stone in the stockpiling area are crushed, so that direct impact abrasion of the stone moving at a high speed on the peripheral protection plate is reduced, and the stone thrown out from the impeller can also be crushed with the peripheral protection plate through stone beating;

2. a gap is reserved between every two adjacent peripheral guard plates, so that on one hand, the investment of peripheral guard plate materials is reduced, on the other hand, stones can enter the gap to form a stockpiling area, and the stone breaking is facilitated;

3. the bottom surface shape of the periphery guard plate is polygonal, and the edges of the bottom surface of the periphery guard plate are at least 5, so that the surface area of the inclined side surface of the periphery guard plate is increased, the volume of a stockpiling area is increased, and the stone-beating efficiency and effect are improved.

Drawings

FIG. 1 is a sectional structural view of embodiment 1 of the present invention, which is intended to show the internal structure of a crushing chamber of an impact crusher;

fig. 2 is a top view of fig. 1 in example 1 of the present invention, intended to show the internal structure of the crushing chamber of an impact crusher;

FIG. 3 is an enlarged view of part A in FIG. 2 in example 1 of the present invention;

in the figure: 1. a crushing chamber housing; 2. an impeller; 3. a peripheral guard plate; 4. a base plate; 5. a stockpiling zone; 6. a gap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

An impact crushing cavity structure, refer to fig. 1 and fig. 2, comprises a crushing cavity shell 1 and an impeller 2 arranged inside the crushing cavity shell 1, wherein a plurality of peripheral guard plates 3 are arranged on the inner side wall of the crushing cavity shell 1 along the circumferential direction, the bottom of the inner side of the crushing cavity shell 1 is welded or connected with an annular bottom plate 4 through bolts, the bottom plate 4 is positioned below the peripheral guard plates 3, the peripheral guard plates 3 are frustum-shaped, the bottom surfaces of the peripheral guard plates 3 are abutted against the bottom plate 4, and the area of the bottom surfaces of the peripheral guard plates 3 is larger than that of the top surfaces of the peripheral guard plates 3; a stockpiling area 5 is formed between the inclined side surface of the plurality of peripheral guard plates 3 far away from the crushing cavity shell 1 and the bottom plate 4; the stone material is convenient to pile up in the stockpiling area 5, and then the stone material thrown out from the impeller 2 at a high speed is directly broken with the stone material in the stockpiling area 5, so that the probability of 'stone breaking' between the stone material and the peripheral protection plate 3 is reduced to a certain extent, and the abrasion of the peripheral protection plate 3 is slowed down.

Referring to fig. 3, a gap 6 is reserved between two adjacent peripheral guard plates 3, and the distance between two adjacent peripheral guard plates 3 at the position of one side of the gap 6, which is far away from the crushing cavity shell 1, is larger than the distance between two adjacent peripheral guard plates 3 at the position of one side of the gap 6, which is close to the crushing cavity shell 1, so that on one hand, the input of materials of the peripheral guard plates 3 is reduced, on the other hand, stones can enter the gap 6 to form a stockpiling area 5, and the stone breaking and crushing are facilitated; it should be noted that the gap 6 between two adjacent peripheral guard plates 3 is narrow, and the stone thrown out from the impeller 2 at high speed cannot easily pass through the gap 6 to directly collide with the crushing cavity shell 1, so that the abrasion to the inner wall of the crushing cavity shell 1 is reduced.

Referring to fig. 3, the bottom surface of the perimeter guard plate 3 is polygonal, that is, the perimeter guard plate 3 in this embodiment is frustum pyramid-shaped, and the edges of the bottom surface of the perimeter guard plate 3 are at least 5; as a preferred embodiment, the number of the edges of the bottom surface of the peripheral guard plate 3 is 6, which is beneficial to increase the surface area of the peripheral guard plate 3 away from the inclined side surface of the crushing cavity shell 1, and further beneficial to increase the area of the stockpiling zone 5, thereby improving the efficiency and effect of stone breaking to a certain extent, and on the other hand, the increase of the working surface area of the peripheral guard plate 3 is also beneficial to dispersing the impact force applied to the peripheral guard plate 3, and the abrasion of the stone to the peripheral guard plate 3 is slowed down to a certain extent.

Example 2

The difference between the embodiment and the embodiment 1 is that the peripheral guard plates 3 are in the shape of a semicircular frustum, that is, the bottom surfaces of the peripheral guard plates 3 are semicircular, and the distance between the gap 6 between two adjacent peripheral guard plates 3 is 5mm-10mm, and at this time, the gap 6 between two adjacent peripheral guard plates 3 is narrow, so that the peripheral guard plates 3 can be detached and replaced easily, and the direct collision between stones and the crushing cavity shell 1 through the gap 6 can be reduced easily.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a strike broken chamber structure, is in including broken chamber casing (1) and setting broken chamber casing (1) inside impeller (2), be provided with all backplate of polylith (3), its characterized in that along circumference arrangement on the inside wall of broken chamber casing (1): an annular bottom plate (4) is arranged at the bottom of the inner side of the crushing cavity shell (1), the bottom plate (4) is positioned below the peripheral protection plate (3), the peripheral protection plate (3) is in a frustum shape, the bottom surfaces of a plurality of peripheral protection plates (3) are abutted against the bottom plate (4), and the area of the bottom surface of each peripheral protection plate (3) is larger than that of the top surface of each peripheral protection plate (3); a stockpiling area (5) is formed between the inclined side face, away from the crushing cavity shell (1), of the peripheral protection plates (3) and the bottom plate (4).

2. An impact breaking crushing chamber structure according to claim 1, wherein: and a gap (6) is reserved between every two adjacent peripheral guard plates (3).

3. An impact breaking crushing chamber structure according to claim 1, wherein: the bottom surface of the peripheral protection plate (3) is polygonal, and at least 5 edges of the bottom surface of the peripheral protection plate (3) are provided.

4. An impact breaking crushing chamber structure according to claim 2, wherein: the distance between two adjacent peripheral guard plates (3) at one side of the gap (6) far away from the crushing cavity shell (1) is larger than the distance between two adjacent peripheral guard plates (3) at one side of the gap (6) close to the crushing cavity shell (1).