CN116158552A

CN116158552A - Rotary blade device

Info

Publication number: CN116158552A
Application number: CN202310407029.0A
Authority: CN
Inventors: 高鑫; 宋俊汉; 金强; 孙庆杰; 娄中玉; 唐伟; 谢一飞
Original assignee: Nantong Jin Yuan New Materials Co ltd; Nantong Cigarette Filter Co Ltd
Current assignee: Nantong Jin Yuan New Materials Co ltd; Nantong Cigarette Filter Co Ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-05-26

Abstract

The invention provides a rotary blade device for scraping a sheet-like material into a wire-like material, which comprises the following components in sequence from inside to outside: the air distribution sleeve is provided with a positive pressure air blowing area and a negative pressure adsorption area, the positive pressure air blowing area is formed by a positive pressure opening and a positive pressure air distribution hole, the negative pressure adsorption area is formed by a negative pressure opening and a negative pressure air distribution hole, the negative pressure adsorption area is positioned below the positive pressure air blowing area, the rotary drum is rotatably sleeved outside the air distribution sleeve, the surface of the rotary drum is provided with a plurality of ventilation holes, the ventilation holes are axially arranged along the rotary drum, one end of the blade, which is far away from a cutting edge, is provided with an opening, an air passage is formed from the opening to the inside of the blade, the blade is mounted on the outer surface of the rotary drum and is configured to be communicated with the ventilation holes on the surface of the rotary drum, and the surface of the blade is provided with a plurality of micropores, and the micropores are communicated with the inside of the blade and the outside.

Description

Rotary blade device

Technical Field

The invention relates to the technical field of tobacco products, in particular to a rotary blade device.

Background

Smoking materials are key factors affecting the smoking experience of heated cigarettes, and are core materials and techniques for heating cigarettes. The currently developed smoke releasing materials mainly comprise an out-of-order ordered tobacco shred process, a tobacco sheet process, a tobacco coating paper-based material process, an atomization function particle material and the like.

At present, a heating cigarette smoke section is generally formed by making tobacco powder into slices, rolling and cutting the slices, and then forming cut tobacco or tobacco rods. The preparation process of the fuming material generally needs special equipment to prepare various materials such as powder into large sheet materials, then shreds or strips the sheet materials by a special shredding device, then uses equipment such as mixing and perfuming to perform the tasks such as perfuming and functional treatment on the silk or strip materials, and then prepares the material rod by a forming device. Therefore, the preparation process of the smoke material is complex, the requirement on the environmental temperature and humidity is high, and the smoke core material is subjected to repeated flow treatment, so that the defects of unstable product quality, flavor loss and the like are caused. In order to solve the problems, the preparation of the shredded sheet material rod is considered, and the shredded sheet material rod is prepared by applying the functional material to the natural plant powder material which is difficult to granulate through one-step molding, so that the shredded sheet material rod is convenient to use, for example, a heating cigarette smoke section is prepared, and the problems of unstable product quality, flavor loss and the like caused by a plurality of flow links can be avoided. In the process of preparing the silk slice material stick, the slice material formed in the previous procedure needs to be scraped and cut off the silk slice material, so that a rotary blade device is needed.

Disclosure of Invention

The invention provides a rotary blade device for solving the defects in the prior art.

The invention relates to a rotary blade device for forming a silk-like material by scraping the silk-like material, which is characterized by comprising the following components in sequence from inside to outside: a gas distribution sleeve, a rotary drum wheel and a plurality of blades,

the air distribution sleeve is provided with a positive pressure air blowing area and a negative pressure adsorption area, the positive pressure air blowing area is formed by a positive pressure port and a positive pressure air distribution hole, the negative pressure adsorption area is formed by a negative pressure port and a negative pressure air distribution hole, the negative pressure adsorption area is positioned below the positive pressure air blowing area,

the rotary drum is rotatably sleeved outside the air distribution sleeve, the surface of the rotary drum is provided with a plurality of vent holes which are arranged along the axial direction of the rotary drum,

each of the plurality of blades has an opening at an end thereof remote from the blade edge, an air passage is formed from the opening toward the inside of the blade, each blade is mounted to the outer surface of the rotating drum and configured such that the opening communicates with each of the air holes of the surface of the rotating drum, and the surface of each blade has a plurality of micro-holes communicating the inner air passage of the blade with the outside.

Preferably, the surface of the rotating drum is provided with a plurality of rows of ventilation holes, each row of ventilation holes being arranged axially thereof from one end of the rotating drum to the other end of the rotating drum.

Preferably, the blade has a trapezoid shape with a narrow upper part and a wide lower part, and the blade has a certain radian, i.e. is formed as an inner concave surface and an outer convex surface.

Preferably, the blade surface has an arc of 5 to 10 degrees.

Preferably, the plurality of micropores of the blade are disposed in the concave surface of the blade.

Preferably, the plurality of micropores of the blade are disposed in an area of the concave surface near the blade edge.

Preferably, the plurality of micro-holes are arranged in a horizontal direction and form a plurality of rows in a vertical direction.

Preferably, the rotating drum rotates to drive the blade to rotate so as to scrape the sheet-shaped material off the silk sheet-shaped material, when the blade on the rotating drum rotates to the negative pressure adsorption area of the air distribution sleeve, the silk sheet-shaped material scraped off by the blade is adsorbed to the inner concave surface of the blade, and when the blade on the rotating drum continues to rotate a certain angle to the positive pressure blowing area of the air distribution sleeve, the silk sheet-shaped material is separated from the surface of the blade and blown to the next station.

The invention has the following beneficial effects: the invention is used in the manufacturing process of the silk slice material rod, can effectively spin-scrape the slice material formed in the previous process into the silk slice material, and can orderly convey the silk slice material to the next process for treatment.

Drawings

Fig. 1 is a schematic side view of a rotary blade device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic perspective view of an air distribution sleeve of a rotary blade device according to a preferred embodiment of the present invention.

Fig. 3 is a perspective schematic view of a gas distribution sleeve of a rotary blade device according to a preferred embodiment of the present invention.

Fig. 4 (a) is a schematic view of a rotary drum of a rotary blade device according to a preferred embodiment of the present invention, fig. 4 (b) is a schematic perspective view of a rotary drum of a rotary blade device according to a preferred embodiment of the present invention connected to a blade, and fig. 4 (c) is a schematic sectional view of a rotary drum of a rotary blade device according to a preferred embodiment of the present invention connected to a blade.

Fig. 5 (a) is a partial schematic view of a blade and a rotating drum of a rotary blade device according to a preferred embodiment of the present invention, and fig. 5 (b) is a schematic view of a blade of a rotary blade device according to a preferred embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. The embodiments described in the present specification are not intended to be exhaustive or to represent the only embodiments of the present invention. The following examples are presented for clarity of illustration of the invention of the present patent and are not intended to limit the embodiments thereof. It will be apparent to those skilled in the art that various changes and modifications can be made in the embodiment described, and that all the obvious changes or modifications which come within the spirit and scope of the invention are deemed to be within the scope of the invention.

Throughout the specification, a portion "comprising" a component means that other components may be included, but not excluded, unless a feature opposite thereto is stated.

As shown in fig. 1 to 5, a rotary blade device of a preferred embodiment of the present invention for spinning a sheet-like material from the sheet-like material, the device comprising, in order from the inside to the outside: a gas distribution sleeve 1, a rotating drum 2 and a plurality of blades 3.

In each preferred embodiment, the air distribution sleeve 1 has a positive pressure air blowing area 1a and a negative pressure adsorption area 1b, the positive pressure air blowing area 1a is formed by a positive pressure port 11 and a positive pressure air distribution hole 13, and the negative pressure adsorption area 1b is formed by a negative pressure port 12 and a negative pressure air distribution hole 14. And a positive pressure air flow is formed at the positive pressure port 11 by introducing high-pressure air to the positive pressure air distribution hole 13, so that a positive pressure air blowing area is formed. The negative pressure air distribution hole 14 is externally connected with a vacuum air pump to form negative pressure air flow at the negative pressure port 12, so that a negative pressure adsorption area is formed. Preferably, the negative pressure adsorption zone 1b is located below the positive pressure blowing zone 1 a. Here, the gas distribution sleeve 1 is stationary. Preferably, the surface area of the negative pressure adsorption zone 1b is larger than the surface area of the positive pressure blow zone 1 a. In a preferred embodiment, the surface area of the negative pressure adsorption zone 1b may be 1/4 of the surface area of the cylinder of the gas distribution sleeve, and the surface area of the positive pressure gas blowing zone 1a may be 1/8 of the surface area of the cylinder of the gas distribution sleeve.

The above arrangement of the negative pressure adsorption zone 1b and the positive pressure blowing zone 1a is beneficial to the next working procedure. The blade 3 rotates clockwise from the bottom to scrape the sheet material to form a silk sheet material, the silk sheet material is in a slender strip shape with the length of 5-15 mm and the width of 0.8-1.2 mm, the length direction of the silk sheet material after being scraped off is orthogonal to the axial direction of the rotating drum 2, the silk sheet material is in a state of being closer to the vertical direction, the silk sheet material is firstly adsorbed on the surface of the blade 3 by utilizing negative pressure and cannot fall off, and then the silk sheet material adsorbed on the blade 3 is in a state of being closer to the horizontal direction after the rotating drum 2 rotates clockwise by about 90 degrees, and the silk sheet material can be blown to the next procedure more easily by positive pressure blowing.

In each preferred embodiment, the rotary drum 2 is rotatably sleeved outside the air distribution sleeve 1, and a plurality of vent holes 21 are arranged on the surface of the rotary drum 2, and the plurality of vent holes 21 are arranged along the axial direction of the rotary drum 1. Preferably, the surface of the rotary drum 2 is provided with a plurality of rows of vent holes 21, each row of vent holes 21 being arranged axially thereof from one end of the rotary drum 2 to the other end of the rotary drum.

In each preferred embodiment, an end of each blade 3 of the plurality of blades, which is remote from the blade edge 35, has an opening 37, an air passage 38 is formed from the opening 37 toward the inside of the blade, each blade 3 is mounted to the outer surface of the rotating drum 2 and configured such that the opening 37 communicates with each vent 21 of the surface of the rotating drum 2, and the surface of each blade 3 has a plurality of micro-holes 33, the plurality of micro-holes 33 communicating the inner air passage 38 of the blade 3 with the outside. Preferably, the blade 3 is removably mounted and secured to the outer surface of the rotating drum 2.

In each preferred embodiment, the blade 3 has a trapezoid shape with a narrow upper part and a wide lower part, and the blade 3 has a certain curvature, i.e., is formed with an inner concave surface 31 and an outer convex surface 32. Preferably, the width of the opening 37 end of the blade 3 is 1.2mm to 5.0mm, and the width of the blade edge 35 end of the blade is 0.8mm to 1.2mm. Preferably, the blade surface has an arc of 5 to 10 degrees. Preferably, the concave surface 32 of the blade 3 is provided on one side in the rotation direction. As shown in fig. 4 (a), the rotation direction of the rotating drum is clockwise. The surface of the blade 3 is provided with a certain radian, so that the scraped silk sheet material can be effectively adsorbed on the inner concave surface 31 of the blade 3.

In each preferred embodiment, the plurality of micro-holes 33 of the blade 3 are disposed in the concave surface 31 of the blade adjacent to the cutting edge 35. Preferably, the plurality of micro holes 33 are arranged in a horizontal direction and form a plurality of rows in a vertical direction. Preferably, for example, 2 to 4 rows of micropores 33 may be formed. Preferably, the pore diameter of the micropores 33 is 0.05mm to 0.2mm.

In each of the preferred embodiments, the rotary blade device of the present invention is generally disposed above a sheet-like material, such as tobacco sheet, which is disposed below the rotary blade device of the present invention. Here, the sheet-like material is a material having a certain water content. In operation, the rotating drum 2 of the rotary blade device of the present invention rotates to rotate the blade 3 to scrape the sheet material off the sheet material. When the blade on the rotating drum 2 rotates to the negative pressure adsorption area 1b of the air distribution sleeve 1, the negative pressure port 12 of the air distribution sleeve 1, the vent hole 21 of the rotating drum 2 and the inner air passage 38 of the blade 3 form negative pressure air flow, the silk-like material scraped by the blade 3 is immediately adsorbed to the concave surface 31 of the blade, and when the blade 3 on the rotating drum 2 continues to rotate to the positive pressure air blowing area 1a of the air distribution sleeve 1, the negative pressure port 12 of the air distribution sleeve 1, the vent hole 21 of the rotating drum 2 and the inner air passage 38 of the blade 3 form positive pressure air flow, and the silk-like material is separated from the surface of the blade 3 due to the loss of adsorption force and is blown to the next station, such as a drying treatment device for further drying treatment.

It will be apparent to those skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.

Claims

1. A rotary blade device for spinning a sheet-like material from the sheet-like material, comprising, in order from the inside to the outside: a gas distribution sleeve, a rotary drum wheel and a plurality of blades,

2. The rotary blade device of claim 1, wherein the rotary drum surface is provided with a plurality of rows of vent holes, each row of vent holes being axially aligned from one end of the rotary drum to the other end of the rotary drum.

3. The rotary blade device of claim 1, wherein the blade has a trapezoid shape with a narrow upper part and a wide lower part, and the blade has a certain curvature, i.e., is formed as an inner concave surface and an outer convex surface.

4. A rotary blade device according to claim 3, wherein the blade surface has an arc of 5 to 10 degrees.

5. A rotary blade device according to claim 3, wherein the plurality of micro-holes of the blade are provided in the concave surface of the blade.

6. The rotary blade device of claim 5 wherein the plurality of micropores of the blade are disposed in an area of the concave inner surface proximate the cutting edge.

7. The rotary blade device of claim 6, wherein the plurality of micro-holes are arranged in a horizontal direction and form a plurality of rows in a vertical direction.

8. The rotary blade apparatus of claim 1 wherein the rotating drum rotates to rotate the blade to spin the sheet material off the sheet material, the sheet material spun off by the blade is adsorbed onto the concave surface of the blade when the blade on the rotating drum rotates to the negative pressure adsorption zone of the air distribution sleeve, and the sheet material is detached from the blade surface and blown to the next station when the blade on the rotating drum continues to rotate at an angle to the positive pressure blowing zone of the air distribution sleeve.