CN111298945B

CN111298945B - Small office waste crusher

Info

Publication number: CN111298945B
Application number: CN202010128684.9A
Authority: CN
Inventors: 龚赛军
Original assignee: Shengzhou Deda Technology Co ltd
Current assignee: Shengzhou Deda Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2022-06-14
Anticipated expiration: 2040-02-28
Also published as: CN111298945A

Abstract

The invention provides a small office waste crusher, comprising: the crushing device comprises a rack, a crushing mechanism and a power system, wherein the crushing mechanism and the power system are arranged on the rack; the crushing mechanism comprises a fixed cutter frame, a fixed cutter and a movable cutter set, a crushing cavity is formed in the fixed cutter frame and communicated with the feeding hole, the fixed cutter is fixedly arranged in the fixed cutter frame, and the movable cutter set is rotatably arranged in the fixed cutter frame and connected with a power system; the movable knife group is circumferentially provided with a plurality of movable knives, a certain included angle is formed between a movable knife edge surface line and a fixed knife edge surface line, and the movable knife edge surface or the fixed knife edge surface is wavy. The invention can be used for crushing office waste which cannot be crushed by the paper crusher, and has the advantages of simple structure, high crushing efficiency and the like.

Description

Small office waste crusher

Technical Field

The invention mainly relates to the technical field of office crushers, in particular to a small office waste crusher.

Background

In the office activities, wastes such as a VIP card, a preferential card, a mobile phone SIM card, a bank card, a memory card, a flash disk, an optical disk, an access card, a certificate, a business card and the like can be formed. Because the waste of above-mentioned type is harder, ordinary kneader can't smash, and instrument crushing effect such as scissors is unreliable, transports to large-scale rubbing crusher after concentrating and smashes, and the centre has to reveal risks such as secret and very inconvenient.

Therefore, it is an important technical problem to be solved by those skilled in the art to design a small shredder for office applications capable of shredding hard office waste (e.g., guest cards, premium cards, SIM cards for mobile phones, bank cards, memory cards, flash disks, optical disks, access cards, certificates, business cards, etc.) into desired particle sizes.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a small office waste crusher which is combined with the prior art and starts from practical application, can be used for crushing office waste which cannot be crushed by a paper crusher, and has the advantages of simple structure, high crushing efficiency and the like.

The technical scheme of the invention is as follows:

a small office waste shredder comprising: the crushing device comprises a rack, a crushing mechanism and a power system, wherein the crushing mechanism and the power system are arranged on the rack;

the crushing mechanism comprises a fixed cutter frame, a fixed cutter and a movable cutter set, a crushing cavity is formed in the fixed cutter frame and communicated with the feeding hole, the fixed cutter is fixedly arranged in the fixed cutter frame, and the movable cutter set is rotatably arranged in the fixed cutter frame and connected with a power system;

the movable knife group is circumferentially provided with a plurality of movable knives, a certain included angle is formed between a movable knife edge surface line and a fixed knife edge surface line, and the movable knife edge surface or the fixed knife edge surface is wavy.

Further, the contained angle between the upper thread of the movable blade and the upper thread of the fixed blade is 8-40 degrees.

Furthermore, the number of the movable blades circumferentially arranged on the movable blade group is 3-6; the whole profile of the movable cutter set is cylindrical or truncated cone-shaped.

Furthermore, both ends of the movable cutter group are provided with bearings which are fixed on the fixed cutter frame.

Furthermore, the pulverizer also comprises a waste collecting mechanism, and the waste collecting mechanism collects crushed materials in a pneumatic conveying mode.

Furthermore, garbage collection mechanism includes fan and collection dirt mechanism, collection dirt mechanism passes through the air inlet and the gas outlet of gas circuit pipe connection setting at crushing chamber, fan connection collection dirt mechanism is used for making the air current at the closed gas circuit inner loop that dust collection mechanism and crushing chamber formed, is equipped with the dust bag in the collection dirt mechanism.

Further, the air inlet sets up smash the chamber bottom, the gas outlet sets up smash the chamber top, and gas outlet department sets up the screen cloth.

Furthermore, the pulverizer also comprises a material pushing mechanism and a feeding mechanism, wherein the material pushing mechanism and the feeding mechanism are used for pushing the material into the pulverizing cavity from the feeding hole.

Furthermore, the whole crusher is sealed in a case with a door and a cover, and casters are arranged at the bottom of the case.

The invention has the beneficial effects that:

1. the invention is suitable for office environment, and can crush harder waste which can not be crushed by the paper crusher in the office; according to the invention, the unique wavy blade surfaces in the crushing cavity are matched with the movable blade surface and the fixed blade surface which are arranged at a certain angle, so that the crushing efficiency can be greatly improved, the crushing noise can be reduced, the crushing efficiency can be further improved by arranging a plurality of movable blades in the circumferential direction of the movable blade group, the power of the motor is reduced, and the crusher is suitable for being used in office occasions.

2. The movable cutter set and the fixed cutter are simple and reliable in structural design, flexible and stable in operation, and long service life can be guaranteed.

3. The waste collecting mechanism designed by the invention realizes the collection of crushed material particles in a pneumatic conveying mode, has high collecting efficiency, can reduce noise and simultaneously prevent isolated waste gas and dust from escaping; the pneumatic conveying mode adopts a gas feeding mode from bottom to top in the crushing cavity, and can effectively avoid the blockage of the gas inlet or the gas outlet of the crushing cavity by crushed particles.

4. The invention is wholly sealed in a sealed case, can reduce noise and isolate dust, and can conveniently move the pulverizer through the caster.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the crushing mechanism according to the present invention;

FIG. 4 is a schematic view of a moving blade set according to the present invention;

FIG. 5 is a schematic view of the overall structure of the movable cutter set of the present invention;

FIG. 6 is a schematic view of the stationary knife holder and stationary knife structure of the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

As shown in fig. 1 to 6, the present invention provides a schematic view of a structure of a small office waste crusher. The invention is mainly used for crushing office waste (honored guest cards, preferential cards, mobile phone SIM cards, bank cards, memory cards, flash disks, compact disks, access cards, certificates, business cards and the like) into desired granularity.

This rubbing crusher includes: a frame 160, a crushing mechanism 100 arranged on the frame 160, a power system 130 and an electric system 140; the crushing mechanism 100 comprises a fixed cutter frame 94, a fixed cutter 96 and a movable cutter group 90, a crushing cavity is formed inside the fixed cutter frame 94 and is communicated with a feeding hole 112, the fixed cutter 96 is fixedly arranged in the fixed cutter frame 94, and the movable cutter group 90 is rotatably arranged in the fixed cutter frame 94 and is connected with a power system 130; the movable knife group 90 is circumferentially provided with a plurality of movable knives 91, a certain included angle is formed between a movable knife edge surface line 92 and a fixed knife edge surface line 93, and the movable knife edge surface or the fixed knife edge surface is wavy.

In the invention, the movable cutter set 90 is connected with the power system 130 and can rotate under the driving of the power system 130, and in the rotating process, the movable cutter set 90 is matched with the fixed cutter 96 to crush the materials in the crushing cavity. As shown in FIGS. 3, 4, 5 and 6, the stationary blade holder 94 has a cylindrical structure as a whole, and preferably has a diameter of 20 to 150 mm. The movable cutter assembly 90 is a cylindrical structure, and is mounted in the stationary cutter holder 94 through bearings 95 (or bearing bushes) at both ends, and one end is connected to the power system 130. The stationary knife 96 is fixed in the stationary knife holder 94, and has a rectangular structure as a whole. The circumference of the movable knife group 90 is provided with 3-6 movable knives 91, and the included angle between the movable knife edge surface line 92 and the fixed knife edge surface line 93 is 8-40 degrees. In the invention, the included angle between the movable blade edge surface line 92 and the fixed blade edge surface line 93 is larger, the movable blade or the fixed blade edge surface is designed into a wave shape, the crushing efficiency can be improved, the crushing noise can be reduced, the crushing efficiency is improved by a plurality of movable blade groups, and the power of a motor (namely a power system 130) is reduced, so that the crushing device is suitable for being used in office occasions.

Preferably, the pulverizer also comprises a waste collecting mechanism, and the waste collecting mechanism realizes the collection of the pulverized materials in a pneumatic conveying mode. Specifically, the waste collecting mechanism includes a fan 150 and a dust collecting mechanism 151, the dust collecting mechanism 151 is connected to an air inlet (not shown) and an air outlet 120 of the pulverizing chamber through an air channel 153, the fan 150 is connected to the dust collecting mechanism 151 for circulating an air flow between the dust collecting mechanism 151 and the pulverizing chamber, and a dust bag 152 is disposed in the dust collecting mechanism 151. In the invention, the screened and collected particles after being crushed are realized through pneumatic transmission. Under the action of the fan 150, the air flow circulates between the dust collecting mechanism 151 and the pulverizing chamber, and when the air flow passes through the dust collecting bag 152 in the dust collecting mechanism 151, the mixed particles are collected, so that the concentration of the exhaust gas and the dust in the case 162 can be reduced by forming a substantially closed air path. In order to avoid blocking the crushing cavity by the crushed particles and ensure the crushed particle size, in the invention, the air inlet is arranged at the bottom of the crushing cavity, the air outlet 120 is arranged at the top of the crushing cavity, namely, a mode of conveying air from bottom to top is adopted, meanwhile, a screen is arranged at the air outlet 120, the diameter of the mesh is related to the size requirement of the crushed particle diameter, and the waste materials with larger particles can be left in the crushing cavity through the screen to be continuously crushed until the waste materials are smaller than the diameter of the mesh and can be taken out of the crushing cavity by the air flow.

In the present invention, the pulverizer further includes a material pushing mechanism 111 and a material feeding mechanism 110, and the material pushing mechanism 111 and the material feeding mechanism 110 are used for pushing the material from the material inlet 112 into the pulverizing cavity.

In the present invention, in order to reduce noise and avoid dust pollution, the whole pulverizer is sealed in a case 162 having a door and a cover, casters 161 are installed on the bottom of the case 162, and a door lock are provided on the front of the case 162. Through this structural design, can make rubbing crusher small, be convenient for remove, noise is low in the working process, nearly no exhaust gas dust waits to escape etc. uses under the suitable office environment.

The invention is also provided with a corresponding control system, the control system can control the feeding speed, and the control system can prevent the door, the cover and the like from being opened in the normal operation process; once the door and the cover are opened, the crushing is stopped immediately; the working state can be detected, the feeding mechanism can be controlled to operate, and relevant information can be displayed.

The using process of the invention is as follows:

waste to be crushed is placed into the feeding hole 112, the door and the cover are closed, the movable cutter set 90 rotates, the pushing mechanism 111 pushes the waste into the crushing cavity step by step, and the movable cutter set 90 and the fixed cutter 96 move relatively to crush the waste step by step;

the fan 150 leads the air in the crushing cavity and the particles with the diameter smaller than the diameter of the screening meshes to reach the dust bag 152 from the discharge hole 120 above the crushing cavity through a pipeline, and the air filtered by the dust bag 152 is sent to the air inlet at the lower part of the crushing cavity through the pipeline;

and under a normal condition, the waste is crushed according to the requirement of a user, and the control system automatically stops running or reduces the crushing speed after detecting an abnormal condition.

Claims

1. Small-size office waste rubbing crusher, its characterized in that includes: the crushing device comprises a rack, a crushing mechanism and a power system, wherein the crushing mechanism and the power system are arranged on the rack; the crushing mechanism comprises a fixed cutter frame, a fixed cutter and a movable cutter group, a crushing cavity is formed in the fixed cutter frame and communicated with the feeding hole, the fixed cutter is fixedly arranged in the fixed cutter frame, and the movable cutter group is rotatably arranged in the fixed cutter frame and connected with a power system; a plurality of moving blades are arranged on the circumference of the moving blade group, and the moving blade surface or the fixed blade surface is wave-shaped and arranged along a spiral line; the movable knife and the fixed knife are all integrated structures, and an included angle between the movable blade facial line and the fixed blade facial line is 8-40 degrees;

the pulverizer also comprises a waste collection mechanism, the waste collection mechanism realizes the collection of the pulverized materials in a pneumatic conveying mode, the waste collection mechanism comprises a fan and a dust collection mechanism, the dust collection mechanism is connected with an air inlet and an air outlet which are arranged in the pulverizing cavity through an air passage pipeline, the fan is connected with the dust collection mechanism and is used for enabling air flow to circulate in a closed air passage formed between the dust collection mechanism and the pulverizing cavity, and a dust collection bag is arranged in the dust collection mechanism; the air inlet is arranged at the bottom of the crushing cavity, the air outlet is arranged at the top of the crushing cavity, and the air outlet is provided with a screen.

2. The small-sized office waste crusher according to claim 1, wherein the number of the movable knives circumferentially arranged in the movable knife group is 3-6; the whole profile of the movable cutter set is cylindrical or truncated cone-shaped.

3. A small office waste shredder according to claim 1 wherein the movable blade assembly is mounted on the stationary blade carrier with bearings at each end.

4. A small office waste shredder according to claim 1 further including a material pushing mechanism and a material feeding mechanism for pushing material from the feed opening into the shredding chamber.

5. A small office waste shredder according to claim 1 wherein the shredder is integrally enclosed within a housing having a door and lid, the bottom of the housing being provided with castors.