Circulating cutting and rubbing crusher

Abstract

The invention discloses a circulating cutting and rubbing crusher which comprises a rack, a driving shaft vertically arranged on the rack and a rotary multi-stage crushing disc connected with the driving shaft, the rotary multi-stage crushing disc comprises a large crushing wheel, a middle crushing wheel and a multi-stage crushing disc which are sequentially arranged in the axial direction, and cutting and rubbing teeth which are arranged in a staggered mode are arranged on the periphery of each crushing wheel; a crushing cavity is formed in the inner side of the rack, a feeding opening is formed in the top of the rack, a discharging opening is formed in the bottom of the rack, the driving shaft extends into the crushing cavity, and a granularity adjusting cavity is further formed by the interior of the crushing cavity and the multi-stage crushing disc; when materials enter from the feeding port, the materials are sequentially crushed step by step through the large crushing wheel, the middle crushing wheel and the multi-stage crushing disc and are discharged from the discharging port. Compared with the prior art, the circulating cutting and rubbing crusher has the advantages that by arranging the multi-stage crushing and matching with the crushing cavity of a specific structure, step-by-step cutting, rubbing and crushing of materials are achieved, hydraulic adjustment and damping supporting are combined, and the feeding and discharging layout is optimized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material crushing equipment, in particular to a circulating cutting and twisting crusher. BACKGROUND

[0002] The existing ordinary particle crusher is usually composed of a crushing chamber formed by a striking grinding head and an outer lining plate, a driving shaft connected with the driving is used to drive the grinding head to rotate, the relative movement between the rotating grinding head and the fixed outer lining plate is used to crush the large block of material to be crushed into granular material through the action of impact and extrusion, and the granular material is discharged from the lower part of the crushing chamber, so that the material with a certain particle size is obtained.

[0003] In the above-mentioned particle crusher, the relative gap between the grinding head and the fixed outer lining plate is fixed and cannot be adjusted, and due to the limitation of the structure of the existing particle crusher, the particle size of the material entering and leaving the particle crusher of a certain type is relatively fixed and cannot be changed.

[0004] In order to meet the needs of production, the large block of material to be crushed usually needs to be subjected to coarse crushing, fine crushing and screening treatment, so that the material with the required particle size can be obtained, and in this process, a coarse crusher, a fine crusher and a screening machine are often used, and sometimes a cone crusher, a double-roller crusher, a hammer crusher, a bottom turning dry mill and the like are also used, which involves many devices, large investment, complex process, many safety hazards, many personnel, high labor intensity, large power consumption per unit output and high production cost.

[0005] At the same time, since the material is subjected to multiple crushing by multiple devices, the over-crushing rate is high, the yield is low, the noise is large, the dust generated is much, which not only harms the health of the operators and directly affects the comprehensive economic benefit of the production enterprise, but also causes environmental pollution.

[0006] In addition, the support structure of the traditional crusher is insufficient in rigidity, the running vibration is large, the service life of the device is affected, and the design of the inlet / outlet structure is unreasonable, which also limits the continuous operation capacity.

[0007] Therefore, there is an urgent need for a new type of crushing device which is optimized in structure, reasonable in crushing path, strong in adjustability and stable in operation. SUMMARY

[0008] The technical problem to be solved by the present application is to overcome the above technical defects, and to provide a circulating cutting and twisting crusher which realizes the step-by-step cutting and twisting crushing of the material by setting a multi-stage crushing and a specific structure of the crushing chamber, and combines hydraulic adjustment, damping support and optimized inlet / outlet layout.

[0009] To solve the above technical problems, the technical scheme provided by the present application is as follows: a circulating cutting and twisting crusher, comprising a rack, a driving shaft vertically arranged on the rack, and a rotating multi-stage crushing disc coupled with the driving shaft, wherein the rotating multi-stage crushing disc comprises a large breaking wheel, a medium breaking wheel and a multi-stage crushing disc arranged in sequence along the axial direction, and each breaking wheel is provided with staggered cutting and twisting teeth on the outer periphery thereof;

[0010] The inner side of the rack is formed with a crushing cavity, the top of which is provided with a feeding port, and the bottom of which is provided with a discharging port, and the driving shaft extends into the crushing cavity, and a particle size adjusting cavity is further formed in the crushing cavity and with the multi-stage crushing disc;

[0011] When the material enters from the feeding port, it is sequentially crushed by the large breaking wheel, the medium breaking wheel and the multi-stage crushing disc, and is discharged from the discharging port.

[0012] Preferably, the feeding port is arranged on one side of the top of the crushing cavity and is formed with a feeding inclined wall.

[0013] Preferably, the upper end of the inner wall of the crushing cavity is further formed with a crushing stator matched with the large breaking wheel, and the middle end is formed with a reduced diameter section matched with the medium breaking wheel.

[0014] The lower end of the crushing cavity is slidably sleeved with an adjusting cavity, and the multi-stage crushing disc is arranged in the adjusting cavity and forms a particle size adjusting cavity with the top wall of the adjusting cavity.

[0015] The discharging port is arranged at the lower end of the adjusting cavity.

[0016] Preferably, the rack is formed with four groups of supporting legs, and a shock-absorbing pad is further arranged on the lower end of each supporting leg, and a plurality of positioning bolt holes are formed in each supporting leg.

[0017] Preferably, a motor is further connected to one side of the top of the rack, and the output end of the motor is in transmission connection with the power shaft.

[0018] Preferably, the discharging port is arranged obliquely.

[0019] Preferably, a hydraulic adjuster is further connected to the outer wall of the crushing cavity, the fixed end of the hydraulic adjuster is fixedly connected with the outer wall of the crushing cavity, and the telescopic end is connected with the adjusting cavity.

[0020] When the hydraulic adjuster is started, the gap between the top wall of the adjusting cavity and the top surface of the multi-stage crushing disc changes.

[0021] Compared with the prior art, the present application has the advantages that through the cooperation of the large, medium and small three-stage breaking and the structure of the inner wall of the crushing cavity, continuous and efficient crushing of the material from coarse to fine is realized, over-crushing is reduced, and the yield is improved, and the gap between the top wall of the adjusting cavity and the multi-stage crushing disc is controlled by the hydraulic adjuster, the discharging particle size is flexibly adjusted, and the applicability is strong.

[0022] The feeding inclined wall and the inclined discharge port are designed in the application, so that the material flows smoothly, and the application is easy to popularize. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of a circulating cut-and-twist crusher.

[0024] As shown in the figure: 1, frame; 2, drive shaft; 3, large breaking wheel; 4, middle breaking wheel; 5, multi-stage crushing disc; 6, crushing cavity; 7, feeding port; 8, discharge port; 9, particle size adjusting cavity; 10, feeding inclined wall; 11, breaking stator; 12, reduced diameter section; 13, shock pad; 14, motor; 15, hydraulic regulator; 16, adjusting cavity. DETAILED DESCRIPTION

[0025] The application will be further described in detail below with reference to the accompanying drawings.

[0026] In combination with the accompanying Figure 1 As shown in the figure, a circulating cut-and-twist crusher comprises a frame 1, a drive shaft 2 vertically arranged on the frame 1, and a rotating multi-stage crushing disc coupled with the drive shaft 2. The rotating multi-stage crushing disc comprises a large breaking wheel 3, a middle breaking wheel 4, and a multi-stage crushing disc 5 arranged in sequence along the axial direction. Each stage of breaking outer periphery is provided with staggered cut-and-twist teeth.

[0027] In use, the inside of the frame 1 is formed with a crushing cavity 6, the top of which is provided with a feeding port 7, and the bottom of which is provided with a discharge port 8. The drive shaft 2 extends into the crushing cavity 6. The crushing cavity 6 is further formed with a particle size adjusting cavity 9 together with the multi-stage crushing disc 5.

[0028] When the material enters from the feeding port 7, it is sequentially crushed by the large breaking wheel 3, the middle breaking wheel 4, and the multi-stage crushing disc 5, and is discharged from the discharge port 8.

[0029] More specifically:

[0030] The feeding port 7 is arranged on one side of the top of the crushing cavity 6, and is formed with a feeding inclined wall 10. The discharge port 8 is arranged obliquely.

[0031] In the specific implementation of the application, the upper end of the inner wall of the crushing cavity 6 is further formed with a breaking stator 11 in cooperation with the large breaking wheel 3. The middle end is formed with a reduced diameter section 12 in cooperation with the middle breaking wheel 4.

[0032] The lower end of the crushing cavity 6 is slidably sleeved with an adjusting cavity 16. The multi-stage crushing disc 5 is arranged in the adjusting cavity 16 and forms the particle size adjusting cavity 9 with the top wall of the adjusting cavity 16.

[0033] The discharge port 8 is arranged at the lower end of the adjusting cavity 16. Meanwhile, the frame 1 is formed with four groups of supporting legs. The lower end of the supporting leg is further provided with a shock pad 13. A plurality of positioning bolt holes are arranged on the supporting leg.

[0034] In order to provide power input, the top side of the frame 1 is also connected with a motor 14, the output end of the motor 14 is in transmission connection with the power shaft.

[0035] When adjusting, the outer wall of the crushing cavity 6 is also connected with a hydraulic adjuster 15, the fixed end of the hydraulic adjuster 15 is fixedly connected with the outer wall of the crushing cavity 6, and the telescopic end is connected with an adjusting cavity 16;

[0036] When the hydraulic adjuster 15 is started, the gap between the top wall of the adjusting cavity 16 and the top surface of the multi-stage crushing disc 5 changes.

[0037] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0038] The working principle of the application is as follows:

[0039] The frame 1 is integrally welded or cast structure, and the inside is formed with a closed crushing cavity 6, the driving shaft 2 vertically penetrates the center of the frame 1 and extends into the crushing cavity 6. The driving shaft 2 is fixedly installed with a rotating multi-stage crushing disc, the rotating multi-stage crushing disc is sequentially provided with a large breaking wheel 3, a middle breaking wheel 4 and a multi-stage crushing disc 5 from top to bottom along the axial direction, and each stage of the breaking outer periphery is provided with staggered cutting and rubbing teeth, which are used for applying shearing and rubbing action to the materials in the rotating process;

[0040] The top of the crushing cavity 6 is provided with a feeding port 7, and the bottom is provided with a discharging port 8. The materials enter from the feeding port 7, and under the joint action of gravity and centrifugal force generated by the rotation of the rotating multi-stage crushing disc, the materials are sequentially crushed by the large breaking wheel 3, the middle breaking wheel 4 and the multi-stage crushing disc 5 in three stages, and finally discharged from the discharging port 8. The multi-stage crushing disc 5 and the adjusting cavity 16 at the lower part of the crushing cavity 6 form an independent particle size adjusting cavity 9, which is used for realizing fine control of the final particle size.

[0041] The inner wall structure of the crushing cavity 6 is specially designed: the upper end inner wall cooperates with the large breaking wheel 3 to form a breaking stator 11, and the first stage crushing gap is formed between the two; the middle end inner wall is inwardly contracted to form a reduced diameter section 12, and the second stage crushing area is formed in cooperation with the middle breaking wheel 4; the lower end inner wall is tapered to form the adjusting cavity 16, and the annular cutting space is formed between the lower end inner wall and the outer contour of the multi-stage crushing disc 5 as the third stage fine crushing area. The middle end of the outer wall of the crushing cavity 6 is connected with the hydraulic adjuster 15, the execution end of the hydraulic adjuster 15 is connected with the adjusting cavity 16, and the inner wall of the hydraulic adjuster 15 keeps a certain gap above the multi-stage crushing disc 5.

[0042] When the hydraulic adjuster 15 is started, the adjusting cavity 16 can be pushed to move up and down along the driving shaft 2, so as to dynamically adjust the gap size between the adjusting cavity 16 and the top surface of the multi-stage crushing disc 5, and realize accurate and stepless adjustment and control of the final discharging particle size.

[0043] The application realizes the circulating cutting and rubbing breaking effect of high efficiency, energy saving, dust reduction, durability, low noise and adjustable particle size by the multi-stage breaking structure, the optimized breaking cavity 6 inner type, the hydraulic controllable particle size adjusting disc 16 and the vibration damping stable supporting leg design, and is suitable for fine breaking operation of various industrial solid materials.

[0044] It should be noted that like reference numerals and characters refer to like items throughout the drawings, and once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0045] The above description of the application and its embodiments is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the purpose of the application, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the application.

Claims

1. A circulating cutting and twisting crusher, comprising a frame (1), a driving shaft (2) vertically arranged on the frame (1), and a rotating multi-stage crushing disc coupled with the driving shaft (2), characterized in that: The rotating multi-stage crushing disc comprises a large breaking wheel (3), a middle breaking wheel (4) and a multi-stage crushing disc (5) arranged in sequence along the axial direction, and each breaking outer periphery is provided with staggered cutting and rubbing teeth; The inner side of the rack (1) is formed with a crushing cavity (6), the top of which is provided with a feeding port (7), the bottom of which is provided with a discharging port (8), the driving shaft (2) extends into the crushing cavity (6), and the crushing cavity (6) is further formed with a particle size adjusting cavity (9) together with the multi-stage crushing disc (5); When the material enters from the feeding port (7), it is crushed step by step through the large breaking wheel (3), the middle breaking wheel (4) and the multi-stage crushing disc (5), and is discharged from the discharging port (8).

2. A ring cutter according to claim 1, wherein: The feeding port (7) is arranged on one side of the top of the crushing cavity (6) and is formed with a feeding inclined wall (10).

3. A ring cutter according to claim 1, wherein: The upper end of the inner wall of the crushing cavity (6) is further formed with a breaking stator (11) cooperating with the large breaking wheel (3), and the middle end is formed with a reduced diameter section (12) cooperating with the middle breaking wheel (4); The lower end of the crushing cavity (6) is slidably sleeved with an adjusting cavity (16), and the multi-stage crushing disc (5) is arranged in the adjusting cavity (16) and forms the particle size adjusting cavity (9) with the top wall of the adjusting cavity (16). The discharging port (8) is arranged at the lower end of the adjusting cavity (16).

4. A ring cutter according to claim 1, wherein: The rack (1) is formed with four groups of supporting legs, and the lower end of the supporting leg is further provided with a shock pad (13), and a plurality of positioning bolt holes are formed on the supporting leg.

5. A ring cutter according to claim 1, wherein: The top side of the rack (1) is further connected with a motor (14), and the output end of the motor (14) is in transmission connection with the power shaft.

6. A ring cutter according to claim 1, wherein: The discharging port (8) is arranged obliquely.

7. A ring cutter according to claim 3, wherein: The outer wall of the crushing cavity (6) is further connected with a hydraulic regulator (15), the fixed end of the hydraulic regulator (15) is fixedly connected with the outer wall of the crushing cavity (6), and the telescopic end is connected with the adjusting cavity (16); When the hydraulic regulator (15) is started, the gap between the top wall of the adjusting cavity (16) and the top surface of the multi-stage breaking disc (5) changes.

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