CN215234648U

CN215234648U - Ultrafine grinder capable of removing impurities by gravity

Info

Publication number: CN215234648U
Application number: CN202120771336.3U
Authority: CN
Inventors: 何雄军
Original assignee: GUANGDONG HAID GROUP CO Ltd
Current assignee: GUANGDONG HAID GROUP CO Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-21
Anticipated expiration: 2031-04-15

Abstract

The utility model relates to the technical field of ultrafine crusher, and discloses an ultrafine crusher with gravity impurity removal, which comprises a crusher body, wherein a crushing cavity is arranged in the crusher body, a crushing disc is arranged at the bottom of the crushing cavity, a structure for crushing materials is arranged on the crushing disc, a feeding channel is connected outside the crusher body, and a feeding hole of the feeding channel is connected with a feeding structure; the lower end of the feed channel is communicated with the inside of the machine body and is positioned below the crushing disc, an auxiliary inner channel which is arranged in an extending manner from bottom to top is arranged on the inner side wall of the machine body, the lower end of the auxiliary inner channel is communicated with the lower end of the feed channel, a bent part of the feed channel extends downwards to form an impurity removing channel, and an auxiliary air door is arranged at the bent part of the feed channel; through adjusting the auxiliary air door, heavier impurity is discharged from the trash removal way, and the material relies on wind-force to say in the supplementary in when going to the crushing pan lower part from bottom to top, receives the effect of the high-speed rotatory centrifugal force of crushing pan, and the impurity of secondary separation heavier realizes that impurity is by thorough, high-efficient rejection, prevents that impurity from getting into crushing chamber, reduces the accessory wearing and tearing.

Description

Ultrafine grinder capable of removing impurities by gravity

Technical Field

The patent of the utility model relates to a technical field of superfine pulverizer particularly, relates to superfine pulverizer of gravity edulcoration.

Background

The ultrafine grinder is a grinding device widely applied to industries of food, feed and the like, uses machinery and air flow as power to shear and impact materials to break the materials, and carries out classification through the air flow and a rotating wheel, thereby achieving the material fineness of 100 plus 150 mm.

The ultrafine grinder drives a grinding disc to rotate at a high speed through a motor, the grinding structure arranged on the grinding disc is utilized, the grinding structure impacts materials, the materials impact a gear ring at a high linear speed, and after the materials are repeatedly sheared and impacted, the mixture of the materials and air flow is guided to enter a grading structure on the upper portion through a flow dividing cover from bottom to top.

In the hierarchical structure, fine materials enter the hierarchical impeller through the rotation of the hierarchical impeller and are discharged out along with the discharge channel, the discharge channel is externally connected with a fan, and the fine materials are blown to follow-up equipment; under the centrifugal force action of the grading impeller, the separated coarse materials fall on a crushing disc which is formed by the flow dividing cover and surrounds the bottom of the cavity, the coarse materials enter the hammer head and the gear ring again to be crushed under the centrifugal force action of the crushing disc, and the coarse materials are repeatedly crushed and separated.

At present, the power consumption of an ultrafine grinder accounts for almost 50% of the total power consumption, the ultrafine grinder belongs to high-energy consumption equipment in the industry, metal and nonmetal (sand and stone and the like) impurities mixed in materials easily cause abrasion of accessories such as hammerheads, gear rings, grading impellers and the like, the abrasion of the accessories is a main factor for reducing the ultrafine grinding efficiency, and the cost for replacing the accessories is high after the accessories are damaged.

In the prior art, before materials enter a crushing cavity, although the air quantity can be adjusted through an auxiliary air door on a feed channel, the materials are subjected to gravity impurity removal; because the feed inlet of the material feed channel is positioned at the upper part of the crushing disc, when the air inlet amount is increased, impurities can easily enter the crushing cavity along the same line; in the former process, larger blocky impurities are often mixed, which is easy to block the impurity outlet and also causes impurities to enter the crushing cavity; when the auxiliary air volume on the feed channel is increased, the air intake at the hammerhead and the gear ring in the crushing cavity is reduced, and the crushing efficiency is influenced; the auxiliary air quantity is adjusted to be small, and materials are not easy to enter the crushing cavity.

The technical difficulty is as follows: the effectiveness and the stability of the impurity removing system of the ultrafine grinder need to comprehensively consider the flowability of raw materials, the indoor airflow and material flowing condition of the ultrafine grinder, the impurity removing effect, the convenience of impurity collection and the like, and the fineness and the productivity of grinding must be ensured, so that the selection and the mode of a feeding position are complex.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a super little rubbing crusher of gravity edulcoration aims at solving prior art, and super little rubbing crusher exists the problem that is difficult to get rid of miscellaneous material.

The utility model discloses a super little rubbing crusher who realizes like this, gravity edulcoration, including the organism, be equipped with crushing chamber in the organism, the bottom in crushing chamber is equipped with crushing dish, be equipped with the structure of smashing the material on the crushing dish, have the feeding interval between the inside wall ring gear in crushing dish and crushing chamber; a feeding channel is connected outside the machine body, the upper end of the feeding channel extends upwards to form a feeding hole, and the feeding hole is connected with a feeding structure;

the lower end of the feeding channel is bent towards the machine body, is butted on the machine body and is communicated with the interior of the machine body, the lower end of the feeding channel is positioned below the crushing disc, an auxiliary inner channel extending from bottom to top is arranged on the inner side wall of the machine body, the lower end of the auxiliary inner channel is communicated with the lower end of the feeding channel, and the upper end of the auxiliary inner channel is aligned and communicated with the feeding interval;

the bent part of the feed channel extends downwards to form a trash discharge channel, and an auxiliary air door is arranged at the bent part of the feed channel.

Further, the upper part of the auxiliary air door is aligned with the lower end of the feeding channel, and the lower part of the air door extends downwards to the impurity discharging channel.

Further, a material baffle is arranged below the crushing disc, a blanking interval is arranged between the material baffle and the crushing disc, and the upper end of the auxiliary inner channel penetrates through the material baffle from bottom to top.

Further, the upper end of the auxiliary inner channel is arranged in parallel with the top of the striker plate.

Furthermore, the auxiliary air door is provided with an adjusting valve.

Compared with the prior art, the ultrafine grinder with the gravity impurity removal function provided by the utility model has the advantages that materials enter the feeding channel through the feeding structure, move downwards firstly, and under the action of the air flow in the feeding channel, the materials reaching the lower end of the feeding channel enter the grinding structure and the gear ring through the auxiliary inner channel upwards to be ground, and the materials are ground to the grading structure, so that the grading efficiency of the materials can be improved; by adjusting the auxiliary air door, the heavier impurities fall into the impurity discharging channel under the action of self gravity; the material relies on wind-force to be in the supplementary interior way when going from bottom to top to the crushing disk lower part, receives the effect of the high-speed rotatory centrifugal force of crushing disk, through the blanking interval between striker plate and the crushing disk, separates the heavier impurity once more, falls to the deposit room to the realization is heavier miscellaneous material thoroughly, high-efficient rejection, prevents that impurity from getting into crushing chamber, reduces the accessory wearing and tearing, improves crushing efficiency, extension accessory life.

Drawings

Fig. 1 is a perspective schematic view of a gravity impurity-removing ultrafine grinder provided by the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1, the preferred embodiment of the present invention is shown.

The ultrafine grinder for removing impurities by gravity comprises a grinder body 100, wherein a grinding cavity 101 is arranged in the grinder body 100, a grinding disc 107 is arranged at the bottom of the grinding cavity 101, a grinding structure for grinding materials is arranged on the grinding disc 107, and a feeding interval is arranged between the grinding disc 107 and the inner side wall of the grinding cavity 101; the body 100 is externally connected with a feed channel 200, the upper end of the feed channel 200 extends upwards to form a feed inlet, the feed inlet is connected with a feed structure 400, and materials enter the feed channel 200 through the feed structure 400 and then enter the crushing cavity 101.

The lower end of the feed channel 200 is bent towards the machine body 100, is butted on the machine body 100 and is communicated with the interior of the machine body 100, the lower end of the feed channel 200 is positioned below the crushing disc 107, an auxiliary inner channel 203 extending from bottom to top is arranged on the inner side wall of the machine body 100, the lower end of the auxiliary inner channel 203 is communicated with the lower end of the feed channel 200, and the upper end of the auxiliary inner channel 203 is communicated with the feeding interval in an aligned manner; the bent part of the feed channel 200 extends downwards to form a trash discharge channel 201, and the bent part of the feed channel 200 is provided with an auxiliary air door 202.

A main air inlet duct 109 is arranged in the machine body 100, the main air inlet duct 109 is positioned below the crushing disc 107 and blows air flow towards the inner side wall of the machine body 100, and a main air door is arranged on the main air inlet duct 109, so that the size of the air flow in the main air inlet duct 109 can be controlled by adjusting the size of the main air door.

In actual operation, a fan connected outside the discharge channel 300 is started, the transmission mechanism drives the crushing disc 107 to rotate, materials enter the feed channel 200 through the feed structure 400, the materials move downwards firstly and reach the lower end of the feed channel 200, under the action of air flow in the feed channel 200, the materials enter the crushing cavity 101 through the auxiliary inner channel 203 upwards, heavier impurities fall into the impurity discharge channel 201 under the action of self gravity, when the materials rising from the auxiliary inner channel 203 reach a gap between the baffle plate 106 and the crushing disc 107, the heavier impurities are separated again under the action of air flow of the main air inlet channel 109 and the rotating centrifugal force of the crushing disc 107, the materials fall into the settling cavity 102, the materials are crushed upwards along with the air flow through the hammer head 105 and the gear ring 104, under the action of gravity and the centrifugal force, the impurities in the materials can be removed efficiently, the impurities are prevented from entering the crushing cavity 101, and the abnormal abrasion or damage shutdown probability of the ultrafine crusher is greatly reduced, the efficiency of smash is improved, the accessory life of super little rubbing crusher is promoted.

The upper portion of the sub-damper 202 is aligned with the lower end of the feed passage 200, and the lower portion of the damper 202 extends downward to the trash discharge passage 201. Thus, after entering from the upper end of the feeding channel 200, the material falls downward to the lower end of the feeding channel 200 and aligns with the auxiliary damper 202, so that the heavier sundries can fall downward into the trash discharging channel 201, and meanwhile, under the action of the incoming flow split of the auxiliary damper 202, the material can enter the auxiliary inner channel 203 and enter the crushing cavity 101 along the auxiliary inner channel 203.

The striker plate 106 is arranged below the crushing disc 107, the settling chamber 102 is arranged below the striker plate 106, a blanking interval is arranged between the striker plate 106 and the crushing disc 107, and the upper end of the auxiliary inner channel 203 penetrates through the striker plate 106 from bottom to top, so that the material can conveniently enter the crushing chamber 101 upwards. The main air inlet duct 109 is located below the baffle 106, and blows air from below the baffle 106 toward the inner side wall of the machine body 100.

Of course, if the air pressure in the feeding channel 200 is insufficient, and the material falls out from the impurity discharging channel 201 along with the impurities, the air pressure in the feeding channel 200 can be increased by adjusting the main air door on the main air inlet channel 109 and the auxiliary air door 202 on the feeding channel 200; if there is miscellaneous material unseparated in the material, and when reaching crushing disk 107 along with the material, because of crushing disk 107 near space is great, the material is under the effect of main air inlet duct 109 to tup 105 direction air current, and the effect of crushing disk 107 rotatory centrifugal force, and heavier impurity will fall on the striker plate 106 of crushing disk 107 lower part, fall into in settling chamber 102 downwards, avoid impurity upward movement to get into between the crushing structure.

In a preferred embodiment, the upper end of the auxiliary inner channel 203 is arranged flush with the top of the striker plate 106, the material is dispersed and crushed by the rotation of the crushing disc 107 and the action of upward wind, and the incompletely separated miscellaneous materials fall into the settling chamber 102 by the action of centrifugal force.

The auxiliary air door 202 is provided with the adjusting valve, so that the air door 202 can be manually or automatically controlled, the air quantity entering the feeding channel 200 is controlled, and the effect of better controlling sundries to be removed from the materials is achieved.

The crushing structure comprises a plurality of hammers 105 arranged on a crushing disc 107, so that the hammers 105 can hammer and crush the material along with the rotation of the crushing disc 107. The crushing structure comprises a gear ring 104, the gear ring 104 being arranged at the outer circumference of the crushing disk 107, the gear ring 104 comprising a plurality of racks extending upwards, the plurality of racks being arranged circumferentially along the outer circumference of the crushing disk 107. With the centrifugal force of the rotation of the crushing disc 107, the materials impact the racks on the gear ring 104 towards the periphery to further crush the materials.

In this embodiment, the gear ring 104 is fixed on the inner wall of the machine body 100, and the material entering the crushing cavity 101 through the feeding channel 200 is crushed between the hammer 105 and the gear ring 104.

The crushing disk 107 is provided with a flow dividing cover 108 which extends upwards, a flow dividing interval is arranged between the top of the flow dividing cover 108 and the top of the crushing cavity 101, and the flow dividing cover 108 is arranged around the circumference of the crushing disk 107. Thus, the material from the feeding channel 203 is firstly crushed by the hammer 105 and the gear ring 104 and then guided to the grading impeller 103 by the flow dividing cover 108 and the inner wall of the machine body 100, the material reaching the fineness is discharged from the discharging channel 300 along with the air flow through the grading impeller 103 under the action of the air flow of the fan and the rotation of the grading impeller 103 outside the discharging channel 300, the coarse material sinks to the crushing disc 107 along the inner side wall of the flow dividing cover 108, the material passes through the interval between the lower edge of the flow dividing cover and the crushing disc 107 under the action of the centrifugal force of the crushing disc 107 and enters the hammer 105 and the gear ring 104 to be crushed again.

The diversion cover 108 and the inner side wall of the machine body 100 are provided with a diversion interval, the middle part of the diversion cover 108 is inwards concave along the radial direction of the crushing disc 107, and the diversion effect of the diversion cover 108 on materials is facilitated.

The top of the crushing cavity 101 is provided with a rotary grading impeller 103, the grading impeller 103 is positioned right above the crushing disc 107, the machine body 100 is provided with a discharging channel 300, and the discharging channel 300 is communicated with the top of the grading impeller 103. The material that gets into in smashing the chamber 101, through smashing the back, carry out the classification through hierarchical impeller 103, the fine material of hierarchical back is discharged from ejection of compact way 300, and ejection of compact way 300 links to each other with the fan.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The ultrafine grinder capable of removing impurities by gravity is characterized by comprising a grinder body, wherein a grinding cavity is arranged in the grinder body, a grinding disc is arranged at the bottom of the grinding cavity, a structure for grinding materials is arranged on the grinding disc, and a feeding interval is arranged between the grinding disc and a gear ring on the inner side wall of the grinding cavity; a feeding channel is connected outside the machine body, the upper end of the feeding channel extends upwards to form a feeding hole, and the feeding hole is connected with a feeding structure;

2. The gravity trash removal micronizer of claim 1 wherein the upper part of said auxiliary damper is aligned with the lower end of said feed channel and the lower part of said damper extends downward to the trash channel.

3. The ultrafine grinder for removing impurities by gravity as claimed in claim 1, wherein a baffle plate is arranged below the grinding disc, a blanking interval is arranged between the baffle plate and the grinding disc, and the upper end of the auxiliary inner channel penetrates through the baffle plate from bottom to top.

4. The gravity impurity removal ultrafine grinder according to claim 3, wherein the upper end of the auxiliary inner channel is arranged flush with the top of the baffle plate.

5. A gravity trash extraction micronizer according to any of the claims from 1 to 4 characterized in that said auxiliary damper is provided with an adjusting valve.