阅读说明：本技术 一种材料静电在线除丝方法 (Material static on-line wire removing method ) 是由 黄振军 王朝明 王子冲 张其龙 李昀欣 李亚勇 王艺斌 刘承钧 张明茂 符再德 于 2021-07-30 设计创作，主要内容包括：本发明提供了一种材料静电在线除丝方法的方法,使用粘丝布除麻丝的除杂装置对输送皮带上的烟草中的麻丝麻绒以及细小的杂质进行剔除。本发明利用单向粘布与传送带上的物料存在的速度差,且物料逆着倒刺方向运动,产生粘附效应,物料与粘丝布产生相对位移,单向粘布与物料发生摩擦,产生静电,使麻丝麻绒及细小杂物吸附在单向粘布上,随着粘布运动至擦拭收集装置进行刮除,能够彻底且有效地去除单向粘布上的麻丝及其他细小杂物。而环形运行的粘丝布,通过驱动轮组、擦拭收集装置实现粘丝布循环使用。本发明可以在不对烟片造成污染的前提下有效地除去细小杂物,减少混入烟叶中的麻丝含量,有效提高烟叶质量,且能够实现不断重复利用的目的。(The invention provides a method for electrostatic online material fiber removal, which is characterized in that a fiber sticking cloth fiber removing device is used for removing fiber sticking fiber and fiber sticking fluff in tobacco on a conveying belt and removing fine impurities. According to the invention, the speed difference between the unidirectional sticky cloth and the material on the conveyor belt is utilized, the material moves against the direction of the barb to generate an adhesion effect, the material and the sticky cloth generate relative displacement, the unidirectional sticky cloth and the material generate friction to generate static electricity, so that the hemp fiber and hemp velvet and fine impurities are adsorbed on the unidirectional sticky cloth, and the sticky cloth moves to the wiping and collecting device to be scraped, and the hemp fiber and other fine impurities on the unidirectional sticky cloth can be thoroughly and effectively removed. And the circularly running silk sticking cloth is circularly used through the driving wheel set and the wiping and collecting device. The invention can effectively remove fine impurities on the premise of not polluting tobacco flakes, reduce the content of hemp threads mixed in tobacco leaves, effectively improve the quality of the tobacco leaves and realize the aim of continuous reutilization.)

1. The material static on-line wire removing method is characterized by comprising the following steps:

step 1, conveying the materials to an impurity removal device through a conveying belt in a conveying device; an annular viscose cloth is adopted in the impurity removing device, and the lower part of the viscose cloth is attached to the surface of the material; the barb direction of the surface of the viscose cloth forms a certain angle with the horizontal plane;

step 2, the silk sticking cloth circularly runs at a constant speed of V1 under the action of the conveying wheel set, the contact surface with the materials is continuously updated, and the tobacco leaf conveying belt runs at a constant speed of V2; the movement directions of the unidirectional silk sticking cloth and the tobacco leaf conveying belt are the same, and the barbs of the unidirectional silk sticking cloth face the material conveying starting direction in the movement process;

step 3, sticking the unidirectional silk sticking cloth on the surface of the tobacco leaves in the moving process of the tobacco leaves, wherein the circulating moving speed V1 of the silk sticking cloth is less than the moving speed V2 of the material; the unidirectional sticky cloth has a speed difference with the materials on the conveyor belt, and the unidirectional sticky cloth and the materials generate friction to generate static electricity, so that the hemp fiber and hemp fine velvet and fine impurities are adsorbed on the unidirectional sticky cloth and move to the wiping and collecting device along with the sticky cloth;

step 4, when the viscose cloth adsorbing the hemp fiber and the hemp velvet and other fine impurities passes through the wiping and collecting device, the movement direction of the wiping wheel removes the hemp fiber and the hemp velvet and other fine impurities on the unidirectional viscose cloth along the barb direction of the unidirectional viscose cloth;

step 5, allowing the hemp fibers and the hemp velvet and fine impurities to fall into a collecting box below the wiping-out wheel to be adsorbed and removed by negative pressure;

and 6, circularly running the annular silk sticking cloth through the driving wheel set and the wiping and collecting device.

2. The electrostatic on-line wire removing method for the material as claimed in claim 1, wherein the material moving speed V2 is 5% -30% greater than the circulating moving speed V1 of the viscose cloth.

3. The electrostatic on-line wire removing method for the material as claimed in claim 2, wherein the material moving speed V2 is 8% -15% greater than the circulating moving speed V1 of the viscose cloth.

4. The method for electrostatic on-line yarn removal of the material as claimed in claim 1, wherein an included angle formed between the direction of the barbs on the surface of the yarn sticking cloth and a horizontal plane is 30-70 degrees.

5. The method for electrostatic on-line yarn removal of material as claimed in claim 4, wherein the included angle formed by the direction of the barbs on the surface of the yarn sticking cloth and the horizontal plane is 45-60 degrees.

6. The electrostatic on-line wire removing method for the material as claimed in claim 1, wherein the moving direction of the wiping wheel is along the direction of the barbs of the unidirectional sticky cloth.

Technical Field

The invention belongs to the field of tobacco impurity removal, and particularly relates to a tobacco impurity removal method, in particular to a method for a material static online filament removal method.

Background

With the continuous development of the tobacco processing technology, the requirement on the quality of the finished product of the tobacco is higher and higher, wherein the hemp thread is a difficult problem of the redrying enterprises, most of the redrying factory production technologies are also provided with hemp thread removing devices, such as a hemp thread removing machine and a hemp thread sticking machine, which can effectively remove part of larger and bonded hemp threads or hemp ropes, but for smaller and thinner hemp threads, such as a single silk-shaped hemp thread, the removal is difficult, and meanwhile, the problem of how to efficiently collect and stick the hemp thread is still to be solved.

At present, a plurality of tobacco factories use vertical barb viscose cloth to remove hemp thread, but the used barb viscose cloth has the following defects:

(1) the adhered hemp threads are difficult to clean, even if the hemp threads are cleaned by a steel brush, the hemp threads are difficult to clean, barbs of the adhesive cloth can be damaged, the service life is shortened, the hemp threads need to be replaced irregularly, and the maintenance cost is high;

(2) the online cleaning can not be realized, and the machine needs to be stopped or replaced for cleaning;

(3) the surface is easily covered by the soot, and the using time is shortened.

Disclosure of Invention

Aiming at solving the problems, the invention provides a material static on-line shredding method, which can reduce the content of hemp shreds mixed in tobacco leaves, improve the quality of the tobacco leaves, realize recycling and solve the problem of hemp shred collection.

In order to achieve the above purpose, the invention provides the following technical scheme:

an electrostatic on-line wire removing method for a material comprises the following steps:

step 1, conveying the materials to an impurity removal device through a conveying belt in a conveying device; an annular viscose cloth is adopted in the impurity removing device, and the lower part of the viscose cloth is attached to the surface of the material; the barb direction of the surface of the viscose cloth forms a certain angle with the horizontal plane;

step 2, the silk sticking cloth circularly runs at a constant speed of V1 under the action of the conveying wheel set, the contact surface with the materials is continuously updated, and the tobacco leaf conveying belt runs at a constant speed of V2; the movement directions of the unidirectional silk sticking cloth and the tobacco leaf conveying belt are the same, and the barbs of the unidirectional silk sticking cloth face the material conveying starting direction in the movement process;

step 3, sticking the unidirectional silk sticking cloth on the surface of the tobacco leaves in the moving process of the tobacco leaves, wherein the circulating moving speed V1 of the silk sticking cloth is less than the moving speed V2 of the material; the unidirectional sticky cloth has a speed difference with the materials on the conveyor belt, and the unidirectional sticky cloth and the materials generate friction to generate static electricity, so that the hemp fiber and hemp fine velvet and fine impurities are adsorbed on the unidirectional sticky cloth and move to the wiping and collecting device along with the sticky cloth;

step 4, when the viscose cloth adsorbing the hemp fiber and the hemp velvet and other fine impurities passes through the wiping and collecting device, the movement direction of the wiping wheel removes the hemp fiber and the hemp velvet and other fine impurities on the unidirectional viscose cloth along the barb direction of the unidirectional viscose cloth;

step 5, allowing the hemp fibers and the hemp velvet and fine impurities to fall into a collecting box below the wiping-out wheel to be adsorbed and removed by negative pressure;

and 6, circularly running the annular silk sticking cloth through the driving wheel set and the wiping and collecting device.

Further, the material moving speed V2 is 5% -30% greater than the viscose cloth circulating moving speed V1.

Further, the material movement speed V2 is 8-15% greater than the viscose cloth circulation movement speed V1.

Furthermore, the included angle formed by the barb direction of the surface of the silk-sticking cloth and the horizontal plane is 30-70 degrees.

Furthermore, the included angle formed by the barb direction of the surface of the silk-adhesive cloth and the horizontal plane is 45-60 degrees.

Furthermore, the movement direction of the erasing wheel is along the barb direction of the unidirectional sticky cloth.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the invention, the speed difference between the unidirectional sticky cloth and the material on the conveyor belt is utilized, the material moves against the direction of the barb to generate an adhesion effect, the material and the sticky cloth generate relative displacement, the unidirectional sticky cloth and the material generate friction to generate static electricity, so that the hemp fiber and hemp velvet and fine impurities are adsorbed on the unidirectional sticky cloth, and the sticky cloth moves to the wiping and collecting device to be scraped, and the hemp fiber and other fine impurities on the unidirectional sticky cloth can be thoroughly and effectively removed. And the circularly running silk sticking cloth is circularly used through the driving wheel set and the wiping and collecting device.

2. The movement direction of the erasing wheel is along the direction of the barbs of the unidirectional sticky cloth, so that the barbs on the unidirectional sticky cloth cannot be damaged on the basis of impurity removal, the service life of the sticky cloth is prolonged, the regular replacement is not needed, and the maintenance cost is reduced.

3. The invention can effectively remove fine impurities on the premise of not polluting tobacco flakes, reduce the content of hemp threads mixed in tobacco leaves, effectively improve the quality of the tobacco leaves and effectively reduce the labor intensity of workers.

4. The invention has simple structure, high efficiency, high processing precision, low maintenance cost and high flexibility, especially can realize automatic reuse and is beneficial to popularization and application in production.

Drawings

FIG. 1 is a schematic structural view of an impurity removal device adopted in the electrostatic on-line material wire removal method provided by the invention.

Fig. 2 is a schematic diagram of removing hemp thread and hemp velvet.

FIG. 3 is a schematic view of the erasing of hemp lint and the turning of the roller.

Detailed Description

The technical solutions provided by the present invention will be described in detail below with reference to specific examples, and it should be understood that the following specific embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention.

The invention uses the impurity removing device for removing the hemp threads by the viscose cloth and removes hemp thread and hemp velvet in the tobacco on the conveying belt and fine impurities by adopting the principle that the unidirectional viscose cloth is adhered and generates electrostatic adsorption impurities by friction.

The structure of the impurity removing device for removing hemp threads from the viscose cloth is shown in figure 1 and comprises a conveying wheel set, a one-way viscose cloth and a wiping and collecting device. The conveying wheel set comprises a first guide roller 2, a second guide roller 7, a third guide roller 10, a first conveying roller 8 and a second conveying roller 9. The unidirectional silk-sticking cloth is made into an annular belt and wound on the conveying wheel set. Specifically speaking, first conveying roller 8 sets up by wiping collection device, and second guide roller 2 sets up in first conveying roller 8 below, plays the guide effect, and second conveying roller 9 sets up in first conveying roller 8 right side, slightly compresses tightly the viscose silk cloth, and first conveying roller 8 forms roller mechanism with second conveying roller 9 and presss from both sides the viscose silk cloth in the centre and transmit for one-way viscose silk cloth is tightened. The first guide roller 2 and the third guide roller 10 are arranged above the material conveying belt 1, and the one-way silk sticking cloth between the first guide roller 2 and the third guide roller 10 is kept to be pasted on the tobacco leaf surface on the material conveying belt in parallel. The wiping and collecting device comprises a wiping wheel 6, a collecting box 5 and a negative pressure dust hood 4, the wiping wheel 6 is arranged in the collecting box 5, a scraping blade is arranged on the wheel, an opening is formed in one side of the collecting box 5, the first conveying roller 8 is arranged beside the opening, and the scraping blade of the wiping wheel 6 is exposed out of the opening of the collecting box, so that hemp threads or other sundries in the unidirectional silk sticking cloth on the first conveying roller 8 can be wiped conveniently. The collection box 5 is arranged in the area below the erasing wheel 6 and is provided with an inclined plane, the inclined plane is gradually reduced from the direction close to the opening to the direction away from the opening, and hemp threads and sundries scraped by the erasing wheel conveniently fall into the bottom of the collection box along the inclined plane. The other side of the collecting box 5 is connected with a negative pressure dust hood 4, the negative pressure dust hood 4 is externally connected with a dust removal air pipe, and hemp threads and sundries are sucked out through negative pressure.

An annular viscose cloth is adopted in the impurity removing device, and the lower part of the viscose cloth is attached to the surface of the material; the barb direction of the surface of the silk adhesive cloth forms a certain angle with the horizontal plane, and the material has an adhesion effect when moving against the barb direction, otherwise, the material has no adhesion effect, as shown in figure 2.

Based on the device, the material static on-line wire removing method provided by the invention comprises the steps of material conveying, impurity removal and wiping collection, and specifically comprises the following steps:

step 1, conveying the materials to an impurity removal device through a conveying belt in a conveying device; an annular viscose cloth is adopted in the impurity removing device, and the lower part of the viscose cloth is attached to the surface of the material; the barb direction of the surface of the viscose cloth forms a certain angle with the horizontal plane; the material has an adhesion effect when moving against the direction of the barbs, otherwise, the material has no adhesion effect; the angle between the barb direction of the surface of the viscose cloth and the horizontal plane is 30-70 degrees, preferably 45-60 degrees, and within the angle range, the viscose cloth can achieve a better adhesion effect and can keep the barb angle not easy to fall and deform.

Step 2, the silk sticking cloth circularly runs at a constant speed of V1 under the action of the conveying wheel set, the contact surface with the materials is continuously updated, and the tobacco leaf conveying belt runs at a constant speed of V2; the movement directions of the unidirectional silk sticking cloth and the tobacco leaf conveying belt are the same, and the barbs of the unidirectional silk sticking cloth face the material conveying starting direction in the movement process;

step 3, sticking the unidirectional silk sticking cloth on the surface of the tobacco leaves in the moving process of the tobacco leaves, wherein the circulating moving speed V1 of the silk sticking cloth is less than the moving speed V2 of the material; the unidirectional sticky cloth has a speed difference with the materials on the conveyor belt, and the unidirectional sticky cloth and the materials generate friction to generate static electricity, so that the hemp fiber and hemp fine velvet and fine impurities are adsorbed on the unidirectional sticky cloth and move to the wiping and collecting device along with the sticky cloth; the material movement speed V2 is preferably 5-30%, more preferably about 8-15% higher than the circulating movement speed V1 of the viscose cloth, so that the viscose cloth can play a good adsorption role, and the completeness and the orientation of barbs on the viscose cloth can be kept, thereby realizing the repeated use of the viscose cloth for as long as possible.

And 4, automatically cleaning the sticky wire cloth adsorbing the hemp fibers and the hemp velvet and other fine impurities by using the wiping collection device wiping wheel, and completely and effectively removing the hemp fibers and other fine impurities on the unidirectional sticky wire cloth along the barb direction of the unidirectional sticky wire cloth in the moving direction of the wiping wheel when the sticky wire cloth adhered with the hemp fibers and other fine impurities is wiped by using the wiping collection device, as shown in fig. 3. The rotation direction of the erasing wheel is along the barb direction of the unidirectional sticky cloth, thereby thoroughly and effectively removing hemp threads and other fine impurities on the unidirectional sticky cloth. The movement direction of the erasing wheel is along the direction of the barbs of the unidirectional sticky cloth, so that the barbs on the unidirectional sticky cloth cannot be damaged, the service life of the sticky cloth is prolonged, the regular replacement is not needed, and the maintenance cost is reduced.

Step 5, allowing the hemp threads and the fine sundries to fall into a collecting box below the wiping-out wheel to be adsorbed and removed by negative pressure, and automatically cleaning the sundries on line;

and 6, manufacturing the unidirectional silk sticking cloth into an annular belt, and realizing the reutilization of the silk sticking cloth through the driving wheel set and the wiping and collecting device, thereby realizing the circular work of removing hemp threads by the unidirectional silk sticking cloth.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.