CN216910519U

CN216910519U - Crushing machine

Info

Publication number: CN216910519U
Application number: CN202220166570.8U
Authority: CN
Inventors: 王志; 汤仁山; 焦寿源; 王玮旻; 王付俊; 汤仁华
Original assignee: Jiangsu Zhengxin Industrial Equipment Co ltd
Current assignee: Jiangsu Zhengxin Industrial Equipment Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-08
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a crusher, which comprises a frame, a crushing bin, a first crushing roller, a second crushing roller, a first driving mechanism and a second driving mechanism, wherein the first crushing roller comprises a first rotating shaft and a first claw cutter, the first claw cutter forms a multi-row first spiral on the first rotating shaft, the second crushing roller comprises a second rotating shaft and a second claw cutter, the second claw cutter forms a multi-row second spiral on the second rotating shaft, the first claw cutter and the second claw cutter are alternately arranged in the axial direction at intervals, the first driving mechanism and the second driving mechanism respectively drive the first rotating shaft and the second rotating shaft to relatively rotate, and the spiral directions of the first spiral and the second spiral are opposite. In the process that the claw knife is driven by the rotating shaft to rotate, only one or more claw knives play a role in crushing, the single-tooth crushing force is improved, effective crushing is formed, the load current of the motor is reduced, the equipment efficiency is improved, the problem of large fluctuation of the load current is solved, the motor operates stably, the utilization rate is high, and the equipment configuration power is matched with the output more.

Description

Crushing machine

Technical Field

The utility model relates to a crushing device, in particular to a crusher.

Background

In the production process of some traditional foods, grains need to be processed by a plurality of working procedures to be changed into large blocky materials, and then the blocky materials are crushed into small particles.

The patent of the Chinese utility model with the publication number of CN 203525806U discloses a claw type crusher, which comprises a crushing box, a claw disk moving knife assembly, a comb tooth fixed knife assembly and a power device; the claw disc moving knife assembly comprises a core shaft, a plurality of claw discs and an energy storage belt disc, the surfaces of claw teeth of the claw discs are wavy, two ends of the core shaft are fixed with the wall of the crushing box through bearings, and one end of the core shaft penetrates through the wall of the crushing box to be fixed with the energy storage belt disc and is connected with a power device; the grate fixed cutter assembly consists of a plurality of grates, is arranged at the lower part of the claw disk movable cutter assembly and is fixed with the crushing box, and the claw disk rotates among the grate bars; the power device drives the mandrel to rotate, namely the claw disc on the mandrel rotates between the grid rack bars, and the massive materials are broken through tearing and shearing. The crusher can rapidly and effectively crush massive materials with low hardness, large compression ratio and no viscosity by tearing and shearing, and has strong impact resistance. But the problems of low equipment efficiency, low yield, unstable use state and the like are caused by the conditions of insufficient crushing force, large fluctuation of load current, different sizes of crushed discharged materials and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a crusher, and a single crushing roller of the crusher only has one or two claw knives for crushing during working, so that the single-tooth crushing force is improved, the effective crushing is formed, the load current of a motor is reduced, and the equipment efficiency is improved.

In order to achieve the above object, the present invention provides a crusher comprising a frame, a crushing bin provided on the frame, a first crushing roller and a second crushing roller provided in the crushing bin, and a first driving mechanism of the first crushing roller and a second driving mechanism of the second crushing roller provided on the frame, wherein the first crushing roller comprises a first rotating shaft and a plurality of first claw knives provided on the first rotating shaft, the first claw knives form a plurality of rows of first spirals on the first rotating shaft, and a connecting line of the first claw knives at a head-tail position adjacent to the first spiral is parallel to or inclined to an axis of the first rotating shaft, so that one or two of the first claw knives are in contact with a crushed article;

the second crushing roller comprises a second rotating shaft and a plurality of second claw knives arranged on the second rotating shaft, the second claw knives form a plurality of rows of second spirals on the second rotating shaft, and the connecting line of the second claw knives on the head and tail positions of the adjacent second spirals is parallel to or inclined to the axis of the second rotating shaft, so that one or two second claw knives are in contact with crushed articles;

the first claw cutter and the second claw cutter are arranged at intervals in the axial direction, the first driving mechanism and the second driving mechanism respectively drive the first rotating shaft and the second rotating shaft to rotate relatively, and the spiral directions of the first spiral and the second spiral are opposite.

Preferably, the first driving mechanism and the second driving mechanism drive the first rotating shaft and the second rotating shaft to rotate in a differential speed mode respectively.

Further preferably, the rotation speed ratio of the first rotating shaft to the second rotating shaft is (1.1-1.2): 1.

preferably, the first driving mechanism comprises a first motor, a transmission belt and an energy storage speed reducing disc, the first motor is mounted on the frame, and the energy storage speed reducing disc is in keyed connection or fixed connection with the first rotating shaft.

Further preferably, a shield is arranged outside the first driving mechanism.

Preferably, a plurality of first claw blades are arranged on the first rotating shaft, each first claw blade comprises a plurality of first claw knives, and the first claw blades are sleeved on the first rotating shaft.

Preferably, the first jaw knife and/or the second jaw knife are/is provided with tooth marks.

Through the technical scheme, the utility model has the following beneficial effects:

1. in the process that the claw knives are driven by the rotating shaft to rotate, only one or two claw knives have a crushing function, compared with the condition that a plurality of claw knives act simultaneously in the prior art, the single-tooth crushing force is improved, effective crushing is formed, the load current of the motor is reduced, the equipment efficiency is improved, the problem of large load current fluctuation is solved, the motor operates stably, the utilization rate is high, and the equipment configuration power is matched with the output more.

2. According to the utility model, the two crushing rollers are arranged into a fast-slow differential rotation structure, so that the excessive extrusion process in the crushing process is reduced, the repeated striking action is increased, the incomplete crushing phenomenon can be effectively reduced, and the discharge granularity is finer and more uniform.

3. The claw sword is arranged at pivot upper multi-disc claw blade structure, and claw blade structure conveniently sets up the position of claw sword on the one hand, and on the other hand easy to assemble and dismantlement change when certain claw sword fracture its place claw blade can, do not need whole change, practice thrift the cost.

Drawings

FIG. 1 is a schematic view of the construction of the crusher of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is a schematic view of the construction of a first crushing roller according to the present invention;

FIG. 6 is a schematic view of the structure of the second crushing roller in the present invention.

Description of the reference numerals

1 machine frame

2 a first crushing roller, 21 a first rotating shaft, 22 a first claw knife

3 second crushing roller, 31 second rotating shaft, 32 second claw knife

4 crushing bin

51 first motor, 52 transmission belt, 53 energy storage speed reducing disc and 54 shield

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that, in the following description, for the purpose of clearly explaining the technical solution of the present invention, directional terms such as "outer", "inner", and the like are used according to the meaning of the components of the crusher normally indicated by the directional terms, for example, the portion through which the material passes is inner, and the portion opposite to the inner portion is outer, so as to facilitate the description of the present invention and simplify the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of the features described.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 6, the crusher of the present invention includes a frame 1, a crushing bin 4 provided on the frame 1, a first crushing roller 2 and a second crushing roller 3 provided in the crushing bin 4, and a first driving mechanism of the first crushing roller 2 and a second driving mechanism of the second crushing roller 3 provided on the frame 1, wherein the first crushing roller 2 includes a first rotating shaft 21 and a plurality of first claw knives 22 provided on the first rotating shaft 21, the first claw knives 22 form a plurality of rows of first spirals on the first rotating shaft 21, and a connecting line of the first claw knives 22 at a head-tail position adjacent to the first spirals is parallel to or inclined to an axis of the first rotating shaft 21, so that one or two first claw knives 22 are in contact with crushed articles;

the second crushing roller 3 comprises a second rotating shaft 31 and a plurality of second claw blades 32 arranged on the second rotating shaft 31, the second claw blades 32 form a plurality of rows of second spirals on the second rotating shaft 31, and the connecting line of the second claw blades 32 at the head and tail positions of the adjacent second spirals is parallel to the axis of the second rotating shaft 31 or is inclined to the axis of the second rotating shaft 31, so that one or two second claw blades 32 are contacted with crushed articles;

the first claw blades 22 and the second claw blades 32 are alternately arranged at intervals in the axial direction, the first driving mechanism and the second driving mechanism respectively drive the first rotating shaft 21 and the second rotating shaft 31 to rotate relatively, and the spiral directions of the first spiral and the second spiral are opposite.

In the process that the claw knives are driven by the rotating shaft to rotate, only one or two claw knives have a crushing function, compared with the condition that a plurality of claw knives act simultaneously in the prior art, the single-tooth crushing force is improved, effective crushing is formed, the load current of the motor is reduced, the equipment efficiency is improved, the problem of large load current fluctuation is solved, the motor operates stably, the utilization rate is high, and the equipment configuration power is matched with the output more.

Aiming at the problem of different sizes of the crushed materials, the first driving mechanism and the second driving mechanism respectively drive the first rotating shaft 21 and the second rotating shaft 31 to rotate in a differential mode, two crushing rollers are arranged in a fast-slow differential rotation structure, the process of excessive extrusion in the crushing process can be reduced, repeated striking actions are increased, the incomplete crushing phenomenon is effectively reduced, and the discharging granularity of the crushed materials is finer and more uniform.

Preferably, the rotation speed ratio of the first rotating shaft 21 to the second rotating shaft 31 is (1.1-1.2): 1.

in order to facilitate the control of the speed of the rotating shaft, the first driving mechanism comprises a first motor 51, a transmission belt 52 and an energy storage speed reduction disc 53, the first motor 51 is mounted on the frame 1, and the energy storage speed reduction disc 53 is in key connection or fixed connection with the first rotating shaft 21. Similarly, the second driving mechanism comprises a second motor, a transmission belt and an energy storage speed reducing disc, the second motor is installed on the rack, and the energy storage speed reducing disc is connected with the second rotating shaft in a key or fixed mode.

A shield 54 is arranged outside the first driving mechanism to increase the safety of the operation of the equipment.

As a preferred embodiment of the present invention, a plurality of first claw blades are disposed on the first rotating shaft 21, the first claw blades include a plurality of first claw blades 22, and the first claw blades are sleeved on the first rotating shaft 21. Similarly, a plurality of second claw blades are arranged on the second rotating shaft 31, each second claw blade includes a plurality of second claw knives 32, and the second claw blades are sleeved on the second rotating shaft 31. The claw blade structure is convenient for setting the position of the claw knife on the one hand, and convenient to install and disassemble on the other hand, and the claw blade at the position of the claw knife can be replaced when a certain claw knife is broken, so that the whole replacement is not needed, and the cost is saved.

In addition to the above technical solution, the first jaw 22 and/or the second jaw 32 are formed with tooth marks or nail-shaped protrusions. The tooth marks or the nail-shaped protrusions are more convenient for chopping materials.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the utility model is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A crusher is characterized by comprising a frame (1), a crushing bin (4) arranged on the frame (1), a first crushing roller (2) and a second crushing roller (3) which are arranged in the crushing bin (4), and a first driving mechanism of the first crushing roller (2) and a second driving mechanism of the second crushing roller (3) which are arranged on the frame (1), the first crushing roller (2) comprises a first rotating shaft (21) and a plurality of first claw knives (22) arranged on the first rotating shaft (21), the first claw knife (22) forms a plurality of rows of first spirals on the first rotating shaft (21), and the line connecting the first claw knives (22) at the head-tail positions of the adjacent first spirals is parallel or inclined to the axis of the first rotating shaft (21) so that one or two first claw knives (22) are in contact with the crushed objects;

the second crushing roller (3) comprises a second rotating shaft (31) and a plurality of second claw knives (32) arranged on the second rotating shaft (31), the second claw knives (32) form a plurality of rows of second spirals on the second rotating shaft (31), and the connecting line of the second claw knives (32) at the head and tail positions of the adjacent second spirals is parallel to the axis of the second rotating shaft (31) or is inclined to the axis of the second rotating shaft (31), so that one or two second claw knives (32) are in contact with crushed articles;

the first claw knife (22) and the second claw knife (32) are arranged at intervals in the axial direction, the first driving mechanism and the second driving mechanism respectively drive the first rotating shaft (21) and the second rotating shaft (31) to rotate relatively, and the spiral directions of the first spiral and the second spiral are opposite.

2. A crusher as claimed in claim 1, characterised in that the first and second drive mechanisms drive the first and second shafts (21, 31) to rotate at different speeds, respectively.

3. A crusher as claimed in claim 2, characterised in that the ratio of the rotational speeds of the first rotating shaft (21) and the second rotating shaft (31) is (1.1-1.2): 1.

4. the crusher according to claim 1, characterized in that the first drive mechanism comprises a first motor (51), a drive belt (52) and an energy storing reduction disc (53), the first motor (51) being mounted on the frame (1), the energy storing reduction disc (53) being keyed or fixedly connected to the first rotating shaft (21).

5. A crusher as claimed in claim 4, characterised in that the first drive mechanism is externally provided with a shield (54).

6. The crusher according to claim 1, characterized in that a plurality of first claw blades are arranged on the first rotating shaft (21), the first claw blades comprise a plurality of first claw knives (22), and the first claw blades are sleeved on the first rotating shaft (21).

7. The crusher according to any of claims 1 to 6, characterized in that the first jaw blade (22) and/or the second jaw blade (32) are/is provided with teeth marks.