CN204891987U - A crusher - Google Patents

Abstract

The utility model discloses a crusher, which comprises a housing, be provided with broken chamber in the casing, broken intracavity is provided with two at least rotors just the rotor arranges side by side, wherein, rotor one end is provided with the pan feeding mouth, the pan feeding mouth is used for treating the input of broken material, the rotor other end is provided with the discharge gate, the discharge gate is used for nonconforming product's output, the rotor below is provided with the sieve, the sieve is used for the output of qualified products, the outer circumference of rotor is provided with tup or / and bar, tup or bar are used for the breakage of material, at least one the tup moves material tup or / and at least one for what have that the axial moves material effect the bar moves the flitch hammer for what have that the axial moves material effect. This a crusher is through its structural design, can broken coarsegrain material, crushing ratio is big, and the material difficultly stops up, the product epigranular, can conveniently carry out big batch processing and need not increase extra equipment and process the material simultaneously.

Description

a crusher

technical field

The utility model relates to the field of crushing machinery, in particular to a crusher.

Background technique

Crusher is a kind of material crushing device, which is widely used in metallurgy, mining, chemical industry, cement and other industries. In many industries, there are a large amount of raw materials and reusable waste that need to be processed by crushers, which need to be crushed to the particle size required by the next step. According to the principle of crushing, crushers can be divided into impact crushers, hammer crushers, jaw crushers, roll crushers, compound crushers and so on. Among them, impact crusher and hammer crusher are two typical crushers.

The impact crusher can also be referred to as impact crusher for short. When the impact crusher crushes materials, driven by the motor, the inner rotor of the impact crusher rotates at a high speed to drive the blow bar on the rotor to rotate, and the material enters the impact crusher. When the inner blow bar is in the action area, it collides with the blow bar and breaks, and then is thrown to the counterattack device for re-crushing, and then bounces from the impact liner back to the blow bar action area for re-breaking. The impact crusher has the characteristics of large feeding particle size, large crushing ratio, and is not easy to block materials, so it is widely used, but its disadvantage is that the particle size of the product is uneven and cannot be controlled, and it is often necessary to add other equipment to crush the material. Reprocessing will increase the material processing technology, increase the processing time, and increase the investment cost of equipment, which is extremely inappropriate for large-scale processing of materials.

Hammer crusher is another commonly used crusher. Hammer crusher is a crushing machine that uses the high-speed impact of the hammer head to perform medium and fine crushing operations on materials. The hammer head is hinged on the high-speed rotating rotor, and the lower part of the machine body is equipped with a sieve plate to control the discharge granularity. The hammer crusher has the characteristics of uniform particle size, but the disadvantage of the hammer crusher is that the feeding particle size cannot be too large, and the material is easy to block, and the coarse material at the end of the sieve plate cannot be discharged in time.

In summary, how to provide a crusher that can crush large-grained materials, has a large crushing ratio, is not easy to clog, and has uniform particle size, and can conveniently process materials in large quantities without adding additional equipment and processes has become an issue. Problems to be solved urgently by those skilled in the art.

Utility model content

The technical problem to be solved by the utility model is to provide a crusher. Through its structural design, the crusher can not only crush large-grained materials, but also has a large crushing ratio, and the materials are not easy to be blocked, and the product particle size is uniform. At the same time, it can conveniently crush the materials. Batch processing without additional equipment and procedures.

A crusher, comprising a casing, a crushing cavity is arranged in the casing, at least two rotors are arranged in the crushing cavity and the rotors are arranged side by side, wherein,

One end of the rotor is provided with a material inlet, and the material inlet is used for inputting materials to be crushed;

The other end of the rotor is provided with a discharge port, and the discharge port is used for the output of unqualified products;

A sieve plate is arranged under the rotor, and the sieve plate is used for the output of qualified products;

Hammers or/and blow bars are provided on the outer circumference of the rotor, and the hammers or/and blow bars are used for crushing materials;

At least one of the hammerheads is a material-moving hammerhead with an axial material-moving effect or/and at least one of the blow bars is a material-moving blow bar with an axial material-moving effect.

Preferably, the material-moving hammer head and/or the material-moving blow bar are provided with a material-moving inclined surface, and the material-moving inclined surface is a plane or a curved surface.

Preferably, the material transfer hammer head or/and the outer surface of the material transfer blow bar are provided with annular helical blades distributed along the axial direction of the rotor.

Preferably, the helical blade is a single helical blade or a multi-helical blade.

Preferably, an annular inclined scraper is provided on the outer surface of the material transfer hammer head or/and the material transfer hammer.

Preferably, the outer surface of the material transfer hammer head or/and the material transfer hammer is provided with an annular slope.

Preferably, a telescopic frame is arranged below the rotor, and the sieve plate is movably mounted on the telescopic frame.

Preferably, all hammerheads arranged on the outer circumference of the rotor are material-moving hammerheads with an axial material-moving effect.

Preferably, all the blow bars arranged on the outer circumference of the rotor are material-moving blow bars with an axial material-moving effect.

The beneficial effects of the utility model are: the crusher provided by the utility model can crush large-sized materials, and the crushing ratio is relatively large. When the material is crushed, only qualified products with small particles smaller than the sieve hole size of the sieve plate can be output through the sieve plate, while unqualified products with large particles larger than the sieve hole size of the sieve plate will be crushed by the shifting hammer or/and the shifting plate hammer in time. Pushing it to the discharge port can effectively prevent clogging. Compared with the existing technology, the output can be larger, the loss is smaller, and the energy consumption is lower. At the same time, it can ensure that the output qualified products have a relatively uniform particle size, and they are all qualified products that have been crushed to the specified size. The product does not contain unqualified large particle materials, and there is no need to add additional equipment and procedures to reprocess the product. In addition, since the crusher provided by the present invention uses at least two rotors arranged side by side at the same time, more materials can be input for crushing processing at the same time, and materials can be processed in large batches conveniently. Reversal and sieve plate sieve size, can realize the processing of coarse, medium and fine products with different particle sizes on the same crusher, which greatly simplifies the process flow, reduces the configuration of additional equipment, and significantly reduces the investment cost.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Accompanying drawing 1 is the front view of the utility model embodiment 1 crusher;

Accompanying drawing 2 is the right side view of crusher of embodiment 1 of the utility model;

Accompanying drawing 3 is the front view of the utility model embodiment 2 crusher;

Accompanying drawing 4 is the right view of the utility model embodiment 2 crusher;

Accompanying drawing 5 is the front view of the utility model embodiment 2 moving blow bars;

Accompanying drawing 6 is the right side view of the blow bar of the utility model embodiment 2;

Accompanying drawing 7 is the A-A sectional view of the blow bar of the utility model embodiment 2;

Accompanying drawing 8 is the front view of the single-slope material-moving hammer head of Embodiment 3 of the present utility model;

Accompanying drawing 9 is the right side view of the single-slope material-moving hammer head of Embodiment 3 of the present utility model;

Accompanying drawing 10 is the sectional view of the B-B direction of the single-slope material transfer hammer head of the third embodiment of the utility model;

Accompanying drawing 11 is the overall structure schematic diagram of the ring-shaped inclined-plane material transfer hammer head of Embodiment 4 of the utility model;

Accompanying drawing 12 is the partial sectional view of the B-B direction of the ring-shaped inclined-plane material-moving hammer head of Embodiment 4 of the utility model;

Accompanying drawing 13 is the front view of the crusher of embodiment 5 of the present utility model.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them.

Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

Example 1:

Referring to accompanying drawings 1 and 2, accompanying drawings 1 and 2 provide a specific embodiment of a crusher, wherein, accompanying drawing 1 is a front view of the crusher, and accompanying drawing 2 is a right view of the crusher.

As shown in accompanying drawings 1 and 2, the crusher includes a casing 1. A crushing chamber 2 is arranged inside the casing 1. The crushing chamber 2 is used to provide a crushing place for materials. There are at least two crushing chambers arranged side by side in the crushing chamber 2. In this embodiment, two rotors are provided, namely the left rotor 301 and the right rotor 302.

One end of the rotor 3 is provided with a material inlet 4, and the other end of the rotor 3 is provided with a material outlet 5, wherein the material inlet 4 is used for inputting materials to be crushed.

In this embodiment, in order to facilitate the input of materials, the material inlet 4 is arranged on the top of the rotor 3 casing 1, so that the materials to be crushed can be poured directly from the top inlet 4, which is beneficial to the input of materials to be crushed .

The discharge port 5 is used for the output of unqualified products. Unqualified products include materials that are not broken to the specified thickness and cannot be discharged from the sieve holes of the sieve plate 6 described below, and hard impurities contained in the materials that cannot be broken.

In this embodiment, the discharge port 5 is arranged at the bottom of the casing 1 in order to facilitate the output of unqualified products from the discharge port 5 . In this way, unqualified products can be directly exported from the bottom of the casing 1 after being pushed into the discharge port 5 .

A sieve plate 6 is arranged under the rotor 3, and the sieve plate 6 is used for the output of qualified products. The qualified products mainly refer to finely divided materials that have been crushed to a specified thickness and can be discharged from the sieve holes of the sieve plate 6.

In this embodiment, the rotor 3 is equipped with a blow bar 7, a hammer head 8, and a material-moving blow bar with an axial material-moving effect, wherein the blow bar 7 and the hammer head 8 can simultaneously crush materials, and the material-moving blow bar At the same time, it has the functions of material crushing and axial material transfer.

For the installation of the blow bar 7, the hammer head 8 and the moving blow bar on the rotor 3, fixed installation or movable installation can be selected. In order to ensure a better crushing effect, in practice, the blow bar 7 and the moving blow bar are generally fixed. Installation, hammerhead 8 movable installations.

The installation quantity of blow bar 7, hammer head 8 and material moving blow bar can be set according to the situation. A blow bar 7, a hammer head 8 and 2 shifting blow bars are arranged upwards on a circle.

Of course, the installation quantity and positions of the blow bar 7, the hammer head 8, the material-moving blow bar and the material-moving hammer head can be varied in various structures. For example, 6 rows, 7 rows, 8 rows, etc. are set in the axial direction, and 1 blow bar 7, 1 hammer head 8, 1 material shifting blow bar and 1 material shifting hammer head can also be set up on the same circumference , or 1 blow bar 7 and 3 shifting hammer heads and so on.

In this embodiment, in order to facilitate the large-scale processing of materials and to speed up the processing speed, two rotors 3 are provided in total, namely the left rotor 301 and the right rotor 302, both of which are installed on the casing 1 through the rotating shaft. The left rotor 301 and the right rotor 302 are driven to rotate by connecting an electric motor on the rotating shaft.

In this embodiment, the rotation directions of the left rotor 301 and the right rotor 302 are opposite. When processing materials, the left rotor 301 and the right rotor 302 can crush the materials at the same time, which greatly speeds up the processing speed of materials. , more materials can be input into the material inlet 4, which is more convenient for mass processing of materials.

Of course, the rotation directions of the left rotor 301 and the right rotor 302 can also be the same. For example, when the left rotor 301 and the right rotor 302 rotate clockwise, the materials can be initially treated by the left rotor 301, and then Reprocessing is carried out through the right rotor 302. In this way, the left rotor 301 can be used for coarse and medium crushing, and the right rotor 302 can be used for fine crushing, so that larger-sized materials can be processed. Its job, processing speed is also faster.

During specific implementation, in order to facilitate the material to move from the sieve plate 6 under the left rotor 301 to the sieve plate 6 under the right rotor 302, the shape of the sieve plate 6 can be designed. In this embodiment, two and a half The arc-shaped sieve plate 6, of course, can also adjust the size and shape of the arc of the sieve plate 6 according to the rotation speed of the rotor and the particle size of the material to be processed.

In addition, according to the particle size requirements of qualified products, the sieve hole size of the sieve plate 6 under different rotors 3 can also be adjusted.

In this embodiment, after the rotor 3 rotates, it drives the material-moving blow bar or/and the material-moving hammer to rotate, and the material to be crushed fed by the material inlet 4 will be crushed by the material-moving blow bar or/and the material-moving hammer. At the same time, it is forced to move the material axially. The moving blow bar or/and the moving hammer head also have the effect of cleaning the screen surface of the sieve plate 6 and promoting the fine particles to pass through the sieve plate 6 sieve holes faster. .

In this embodiment, the crushed material is pushed axially by the moving blow bar or/and the moving hammer head while being crushed, which prolongs the crushing times and time of the crushed material, and the material can be crushed more finely and uniformly. .

When the material input is relatively large, the material humidity is relatively high, or the material contains hard impurities, the material that does not pass through the 6 sieve holes of the sieve plate will be continuously pushed in the axial direction by the moving blow bar or/and the moving hammer head, and at the same time It is continuously broken again, and finally unqualified products (materials that are not broken to the specified thickness, hard impurities that cannot be broken) are pushed and moved into the discharge port 5, and at the same time, viscous wet materials will also be moved by the material transfer plate The hammer or/and the material-shifting hammer head are pushed away from the screen surface of the sieve plate 6, so as to avoid unqualified products staying inside the crusher and causing material blockage, and ensure the smooth progress of material processing.

In this embodiment, in order to make it easier for qualified products to be screened from the upper part of the sieve plate 6 to the lower output, a telescopic frame 9 is arranged below the rotor 3, and the sieve plate 6 is movably mounted on the telescopic frame 9. By setting the telescopic frame 9, the distance between the sieve plate 6 and the rotor 3 can be adjusted according to the actual situation. At the same time, the sieve plate 6 swings continuously during operation, and the crushed fine materials can pass through the sieve plate 6 more quickly, improving the quality of qualified products. While outputting, it provides more sufficient space for the processing of subsequent materials, and can further avoid material clogging.

Example 2:

Accompanying drawings 3 to 7 provide another specific embodiment of the utility model, wherein, accompanying drawing 3 is a front view of the crusher, accompanying drawing 4 is a right view of the crusher, and accompanying drawing 5 is a moving blow bar Figure 6 is the right view of the moving blow bar, and accompanying drawing 7 is the A-A sectional view of the moving blow bar.

As shown in accompanying drawings 3 and 4, in order to better realize the axial movement of materials, in this embodiment, at least one blow bar 7 is a material-moving blow bar with an axial material-moving effect. It is provided with a material-moving inclined plane or an annular spiral blade or an annular inclined scraper or an annular inclined plane for axially pushing the material to move.

In this embodiment, the rotor 3 is provided with a blow bar 7 and a material-moving blow bar with an axial material-moving effect. A single-slope material-moving blow bar 7a provided with an inclined plane is provided in accompanying drawings 5 to 7. Schematic diagram of the specific structure, in this embodiment, an inclined plane is set on the single-inclined material-moving blow bar 7a, and the inclined plane is a plane. The material can be crushed and the material can be moved.

Specifically, the material shifting blow bar can be directly processed by the blow bar 7, for example: directly cut the material moving slope on the blow bar 7, so that it can be convenient for its unified production and installation, and at the same time, it can be crushed under the premise of crushing function. , can force the material to move forward, stir and tumble, etc. The material moving slope can have one slope or multiple slopes, and the slope can be flat or curved.

Example 3:

Accompanying drawings 8 to 10 provide a specific embodiment of a single-slope material transfer hammer, wherein, accompanying drawing 8 is a front view of a single-slope material transfer hammer, and accompanying drawing 9 is a right side view of a single-slope material transfer hammer Figure 10 is a B-B cross-sectional view of a single-slope material transfer hammer head.

During specific implementation, the material-shifting hammer is mainly used to realize the axial movement of materials. Therefore, in order to realize the axial material-moving effect of the material-moving hammer, a material-moving inclined surface can be set on the material-moving hammer, and the material-moving inclined surface can be a plane or surfaces.

Of course, annular helical blades distributed along the axial direction of the rotor 3 may also be arranged on the outer surface of the material transfer hammer.

Regarding the number of threads of the helical blade, the helical blade can be a single-headed helical blade or a multi-headed helical blade.

An annular oblique scraper can also be arranged on the outer surface of the material-moving hammer head.

Through the above-mentioned material-shifting hammers with different structures, the rotor 3 will drive the material-moving hammers to play the role of oblique scraper or the screw-like precession function during the rotation process, so as to forcefully push and move the materials.

Accompanying drawing 8 to accompanying drawing 10 promptly provide the specific structure of a kind of single-slope material transfer hammer head 8a. As shown in the drawings, the single-slope material-moving hammer head 8a is provided with a material-moving inclined surface. Of course, at least two slopes can also be provided.

In this embodiment, the material-moving slope of the single-slope material-moving hammer head 8a is a plane, of course, the material-moving slope can also be a curved surface.

For the shape of the material shifting slope, it can also be designed as a tapered ring and so on.

Of course, for those skilled in the art, material transfer hammers with other structures can also be used, and the accompanying drawings 11 and 12 below provide another specific embodiment of the material transfer hammer head.

Example 4:

Accompanying drawing 11 and accompanying drawing 12 provide another specific embodiment of the utility model material-shifting hammer, wherein, accompanying drawing 11 is the overall structure schematic diagram of the ring-shaped slope material-moving hammer head, and accompanying drawing 12 is the ring-shaped slope material-moving hammer head Partial sectional view of B-B.

In this embodiment, four material-moving slopes are provided on the outer surface of each annular inclined material-moving hammerhead 8b, and the four material-moving inclined surfaces are arranged in a ring around the outer periphery of the material-moving hammerhead. In this way, the axial movement of materials can be further facilitated.

Example 5:

Referring to accompanying drawing 13, accompanying drawing 13 provides another embodiment of the utility model crusher, wherein, accompanying drawing 13 is the front view of crusher.

For the specific installation of the blow bar 7 and the hammer head 8 on the crusher, as well as the material-moving blow bar and the material-moving hammer head, several improvements and modifications can be made. In this embodiment, considering that the blow bar 7 is relatively easy to process to obtain a material-moving blow bar with an axial material-moving effect, and the material-breaking ability of the material-moving blow bar is also relatively strong, therefore, all of them can be installed on the outer circumference of the rotor 3 Shifting hammer.

Of course, it is also possible to install all the material transfer hammers.

The crusher provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (9)

1. A crusher, characterized in that it comprises a casing, a crushing cavity is provided in the casing, at least two rotors are arranged in the crushing cavity and the rotors are arranged side by side, wherein, One end of the rotor is provided with a material inlet, and the material inlet is used for inputting materials to be crushed; The other end of the rotor is provided with a discharge port, and the discharge port is used for the output of unqualified products; A sieve plate is arranged under the rotor, and the sieve plate is used for the output of qualified products; Hammers or/and blow bars are provided on the outer circumference of the rotor, and the hammers or/and blow bars are used for crushing materials; At least one of the hammerheads is a material-moving hammerhead with an axial material-moving effect or/and at least one of the blow bars is a material-moving blow bar with an axial material-moving effect. 2. The crusher according to claim 1, characterized in that, the material-moving hammer head and/or the material-moving blow bar are provided with a material-moving inclined surface, and the material-moving inclined surface is a plane or a curved surface. 3. The crusher according to claim 1, characterized in that, the outer surface of the material transfer hammer head or/and the material transfer blow bar is provided with annular helical blades distributed along the axial direction of the rotor. 4. The crusher according to claim 3, characterized in that, the helical blade is a single-headed helical blade or a multi-headed helical blade. 5. The crusher according to claim 1, characterized in that, the outer surface of the material transfer hammer head or/and the material transfer hammer is provided with an annular inclined scraper. 6. The crusher according to claim 1, characterized in that, the outer surface of the material-moving hammer head or/and the material-moving blow bar is provided with an annular slope. 7. The crusher according to claim 1, wherein a telescopic frame is arranged under the rotor, and the sieve plate is movably mounted on the telescopic frame. 8. The crusher according to claim 1, characterized in that, all the hammerheads arranged on the outer circumference of the rotor are material-moving hammerheads with axial material-moving function. 9. The crusher according to claim 1, characterized in that, all the blow bars arranged on the outer circumference of the rotor are material-moving blow bars with axial material-moving function.