Meltblown thermal insulation fiber cotton material down collection device

Abstract

This invention relates to a lint collection device for meltblown thermal insulation fiber cotton material, belonging to the technical field of lint collection devices. It includes an outer cylinder shell and an inner cylinder shell, which are sequentially and fixedly installed from the outside in. The outer and inner cylinder shells are coaxially and horizontally arranged. An opening is provided at the lower end of the outer cylinder shell, and a feed inlet is provided at the lower end of the inner cylinder shell. A filter screen is fixedly attached to the feed inlet. Several cleaning plates are circumferentially rotatably arranged in the area between the outer and inner cylinder shells, and the cleaning plates make frictional contact with the inner wall of the outer cylinder shell and the outer wall of the inner cylinder shell. This invention solves the problem in traditional technologies where fiber lint appears during the production of meltblown thermal insulation fiber cotton material. This fiber lint easily spreads in the working environment during production, affecting not only the quality of the meltblown fabric but also the working environment.

Description

Technical Field

[0001] This utility model relates to the technical field of down collection devices, specifically to a down collection device for meltblown thermal insulation fiber cotton materials. Background Technology

[0002] Meltblown thermal insulation fiber cotton is a type of ultra-fine fiber fluffy material made from high molecular polymers (such as polypropylene and polyester) through a meltblown process. With its structural advantages of "ultra-fine fiber + high porosity", it has significant performance advantages in the field of thermal insulation and is widely used in construction, new energy, home appliances, aerospace and other scenarios.

[0003] A patent with publication number CN214287242U is disclosed in the prior art. This solution includes a dust removal assembly and an airflow control assembly. The dust removal assembly includes a filter cartridge, a filter screen, a filter cartridge drive motor, and a negative pressure fan. The control assembly includes a differential pressure transmitter and an electrically controlled valve. By setting two or more air outlets in the filter chamber of the dust removal assembly, it receives exhaust gas with different flow rates and pressures from various nonwoven fiber manufacturing equipment. The differential pressure transmitter detects the airflow and outputs a signal to control the valve to adjust the airflow of the corresponding airflow dust removal pipe. This allows multiple nonwoven fiber manufacturing equipment to be connected to a single dust removal device, improving the utilization rate of the dust removal equipment. Furthermore, the electrically controlled valve can be closed when a single nonwoven fiber manufacturing equipment is shut down for maintenance. The rotating filter cartridge structure, which covers the filter screen for filtration, avoids uneven filtration area, low filtration efficiency, and easy clogging problems.

[0004] As existing devices are used, the shortcomings of this technology have gradually become apparent, mainly in the following aspects:

[0005] During the production of meltblown thermal insulation fiber cotton material, fiber fluff will appear. This fluff can easily spread in the working environment, affecting not only the quality of the meltblown fabric but also the working environment.

[0006] As can be seen from the above, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0007] In view of the deficiencies in the existing technology, this utility model provides a lint collection device for meltblown thermal insulation fiber cotton material, which solves the problem that fiber lint will appear during the production process of meltblown thermal insulation fiber cotton material in the traditional technology. As a result, the fiber lint is easy to spread in the working environment during the production process, which not only affects the product quality of meltblown cloth, but also affects the working environment.

[0008] To achieve the above objectives, the present invention provides the following technical solution.

[0009] A down collection device for meltblown thermal insulation fiber cotton material includes an outer shell and an inner shell, which are sequentially and fixedly installed from the outside in. The outer shell and the inner shell are coaxially and horizontally arranged. The lower end of the outer shell has an opening, and the lower end of the inner shell has a feed inlet. A filter screen is fixedly attached to the feed inlet. Several cleaning plates are rotatably arranged in the area between the outer shell and the inner shell, and the cleaning plates are in frictional contact with the inner wall of the outer shell and the outer wall of the inner shell.

[0010] The inner cylinder shell is provided with a negative pressure absorption cavity and a blowing cavity. The feed inlet is connected to the negative pressure absorption cavity. A discharge port connected to the blowing cavity is opened on one side of the inner cylinder shell. A discharge cylinder corresponding to the discharge port is fixed to the outer wall of the outer cylinder shell.

[0011] As an optimized solution, a first baffle and a second baffle are fixedly connected in a fan shape inside the inner cylinder shell, and the negative pressure absorption cavity is formed between the first baffle, the second baffle and the feed inlet.

[0012] As an optimized solution, a third baffle is also fixedly connected inside the inner cylinder shell and arranged in a fan shape between the second baffle and the second baffle, and the blowing cavity is formed between the second baffle, the third baffle and the discharge port.

[0013] As an optimized solution, the outer shell has a first end plate and a second end plate fixedly connected to its two ends, one end of the inner shell is fixedly connected to the inner wall of the first end plate, and the outer wall of the first end plate has a negative pressure connecting cylinder and a blowing connecting cylinder that are connected to the negative pressure absorption cavity and the blowing cavity.

[0014] As an optimized solution, a drive motor is fixedly connected to the outer wall of the second end plate. The output shaft of the drive motor extends into the interior and is fixedly connected to a drive disk. One end of several cleaning plates is fixedly connected to the drive disk, and the other end of several cleaning plates is fixedly connected to a rotating ring. The inner hole of the rotating ring is rotatably mounted on the inner cylinder shell.

[0015] As an optimized solution, a support ring is fixedly connected to the end wall of the drive disk, and the other end of the inner cylinder shell is rotatably fitted onto the support ring.

[0016] As an optimized solution, the outer surface of the filter screen is flush with the outer surface of the inner cylinder shell.

[0017] As an optimized solution, a baffle is fixedly connected to the discharge port in a conformal manner, and the outer surface of the baffle is flush with the outer surface of the inner cylinder shell.

[0018] As an optimized solution, a dust collection bag is fitted onto the unloading cylinder.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] This device is fixed above the meltblown fabric forming mesh belt. As the mesh belt moves, the meltblown fibers pass under the device. During use, a negative pressure connecting cylinder is connected to a negative pressure system to draw air into the feed inlet. The loose fibers and lint from the meltblown nonwoven fabric forming process are adsorbed onto the surface of the filter screen due to the negative pressure. At the same time, a drive motor rotates several cleaning plates, which directly scrape the fibers and lint adsorbed on the filter screen surface, causing them to move along the cleaning plates. Simultaneously, an air blowing connecting cylinder is connected to an air inlet, which blows air out through the discharge port. When the fibers and lint move to the area of ​​the discharge port, they are blown into the discharge cylinder by the air blowing, thus filtering and discharging the fibers and lint. This not only ensures the quality of the meltblown fabric but also overcomes the environmental impact of fibers and lint permeating the working environment. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0024] In the diagram: 1-Outer cylinder shell; 2-Inner cylinder shell; 3-Feed inlet; 4-Opening; 5-Filter screen; 6-Cleaning plate; 7-Discharge port; 8-Baffle screen; 9-Negative pressure absorption cavity; 10-Blowing cavity; 11-Negative pressure connecting cylinder; 12-Blowing connecting cylinder; 13-First baffle; 14-Second baffle; 15-Third baffle; 16-Discharge cylinder; 17-Dust collector bag; 18-Drive disc; 19-Rotating ring; 20-First end disc; 21-Second end disc; 22-Driver; 23-Support ring. Detailed Implementation

[0025] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0026] like Figure 1 and Figure 2As shown, the meltblown thermal insulation fiber cotton material down collection device includes an outer shell 1 and an inner shell 2, which are sequentially and fixedly installed from the outside to the inside. The outer shell 1 and the inner shell 2 are arranged horizontally and coaxially. An opening 4 is opened at the lower end of the outer shell 1, and a feed inlet 3 is opened at the lower end of the inner shell 2. A filter screen 5 is fixedly attached to the feed inlet 3. Several cleaning plates 6 are arranged circumferentially in the area between the outer shell 1 and the inner shell 2. The cleaning plates 6 are in frictional contact with the inner wall of the outer shell 1 and the outer wall of the inner shell 2.

[0027] The inner cylinder shell 2 is provided with a negative pressure absorption cavity 9 and a blowing cavity 10. The feed inlet 3 is connected to the negative pressure absorption cavity 9. A discharge port 7 connected to the blowing cavity 10 is opened on one side of the inner cylinder shell 2. A discharge cylinder 16 corresponding to the discharge port 7 is fixed on the outer wall of the outer cylinder shell 1. The discharge cylinder 16 is connected to the inner cavity of the outer cylinder shell 1.

[0028] The mesh count of screen 8 is greater than that of screen 5.

[0029] The spacing between adjacent cleaning plates 6 is less than the minimum spacing between the feed inlet 3 and the discharge outlet 7, ensuring that the blowing does not affect the negative pressure adsorption.

[0030] The inner cylinder shell 2 is fixedly connected in a fan shape with a first baffle 13 and a second baffle 14, and a negative pressure absorption cavity 9 is formed between the first baffle 13, the second baffle 14 and the feed inlet 3.

[0031] A third baffle 15 is fixedly connected inside the inner cylinder shell 2 and is arranged in a fan shape between the second baffle 14, and a blowing cavity 10 is formed between the second baffle 14, the third baffle 15 and the discharge port 7.

[0032] The outer cylinder shell 1 has a first end plate 20 and a second end plate 21 fixedly connected to its two ends respectively. One end of the inner cylinder shell 2 is fixedly connected to the inner wall of the first end plate 20. The outer wall of the first end plate 20 has a negative pressure connecting tube 11 and a blower connecting tube 12 that are connected to the negative pressure absorption cavity 9 and the blower cavity 10 respectively. The negative pressure connecting tube 11 is connected to the negative pressure fan, and the blower connecting tube 12 is connected to the blower.

[0033] One end of the first baffle 13, the second baffle 14 and the third baffle 15 are fixed to the inner wall of the first end plate 20, and the other end of the first baffle 13, the second baffle 14 and the third baffle 15 are provided with a clearance notch for the clearance support ring 23.

[0034] A drive motor 22 is fixedly connected to the outer wall of the second end plate 21. The output shaft of the drive motor 22 extends into the interior and is fixedly connected to a drive disk 18. One end of several cleaning plates 6 is fixedly connected to the drive disk 18, and the other end of several cleaning plates 6 is fixedly connected to a rotating ring 19. The inner hole of the rotating ring 19 is rotatably mounted on the inner cylinder shell 2.

[0035] A support ring 23 is fixedly connected to the end wall of the drive disc 18, and the other end of the inner cylinder shell 2 is rotatably fitted onto the support ring 23.

[0036] The outer surface of filter 5 is flush with the outer surface of inner cylinder shell 2.

[0037] A baffle 8 is fixedly attached to the discharge port 7 in a conformal manner, and the outer surface of the baffle 8 is flush with the outer surface of the inner cylinder shell 2.

[0038] The unloading cylinder 16 is fitted with a dust collector bag 17 using clamps, or the unloading cylinder 16 can be directly connected to the dust collector.

[0039] The outer shell 1 is fixed to the frame. Since the specific fixing method is well known in the field and is not an innovation of this solution, it will not be described in detail here.

[0040] The working principle of this device is as follows:

[0041] The device is fixed above the meltblown nonwoven fabric forming mesh belt. As the meltblown nonwoven fabric forming mesh belt moves, the meltblown fibers pass under the device. During use, the negative pressure connecting cylinder 11 is connected to negative pressure to suck air into the feed port 3. The broken fibers and fluff from the meltblown nonwoven fabric forming process will be adsorbed onto the surface of the filter screen 5 due to the negative pressure. At the same time, the drive motor drives several cleaning plates 6 to rotate. The cleaning plates 6 can directly scrape the fibers and fluff adsorbed on the surface of the filter screen 5, making them move along the cleaning plates 6. Meanwhile, the blowing connecting cylinder 12 is connected to the air inlet, and the air is blown out through the discharge port 7. When the fibers and fluff move to the area where the discharge port 7 is located, they will be blown into the discharge cylinder 16 by the blowing air, realizing the filtration and discharge of the fibers and fluff. This not only ensures the quality of the meltblown nonwoven fabric, but also overcomes the environmental impact of the fibers and fluff spreading in the working environment.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A down collection device for meltblown thermal insulation fiber cotton material, characterized in that: The device includes an outer shell (1) and an inner shell (2) that are sequentially and fixedly installed from the outside in. The outer shell (1) and the inner shell (2) are coaxially and horizontally arranged. The lower end of the outer shell (1) has an opening (4), and the lower end of the inner shell (2) has a feed inlet (3). A filter screen (5) is fixedly attached to the feed inlet (3). Several cleaning plates (6) are arranged circumferentially in the area between the outer shell (1) and the inner shell (2). The cleaning plates (6) are in frictional contact with the inner wall of the outer shell (1) and the outer wall of the inner shell (2). The inner cylinder shell (2) is provided with a negative pressure absorption cavity (9) and a blowing cavity (10). The feed inlet (3) is connected to the negative pressure absorption cavity (9). A discharge port (7) connected to the blowing cavity (10) is opened on one side of the inner cylinder shell (2). A discharge cylinder (16) corresponding to the discharge port (7) is fixed on the outer wall of the outer cylinder shell (1).

2. The meltblown thermal insulation fiber cotton material down collection device according to claim 1, characterized in that: The inner cylinder shell (2) is fixed in a fan shape with a first baffle (13) and a second baffle (14), and the negative pressure absorption cavity (9) is formed between the first baffle (13), the second baffle (14) and the feed inlet (3).

3. The meltblown thermal insulation fiber cotton material down collection device according to claim 2, characterized in that: The inner cylinder shell (2) is also fixedly connected to a third baffle (15) arranged in a fan shape between the second baffle (14), and the blowing cavity (10) is formed between the second baffle (14), the third baffle (15) and the discharge port (7).

4. The down collection device for meltblown thermal insulation fiber cotton material according to claim 1, characterized in that: The outer shell (1) has a first end plate (20) and a second end plate (21) fixedly connected to its two ends respectively. One end of the inner shell (2) is fixedly connected to the inner wall of the first end plate (20). The outer wall of the first end plate (20) has a negative pressure connecting cylinder (11) and a blowing connecting cylinder (12) that are connected to the negative pressure absorption cavity (9) and the blowing cavity (10) respectively.

5. The meltblown thermal insulation fiber cotton material down collection device according to claim 4, characterized in that: A drive motor (22) is fixedly connected to the outer wall of the second end plate (21). The output shaft of the drive motor (22) extends into the interior and is fixedly connected to a drive disk (18). One end of several cleaning plates (6) is fixedly connected to the drive disk (18), and the other end of several cleaning plates (6) is fixedly connected to a rotating ring (19). The inner hole of the rotating ring (19) is rotatably mounted on the inner cylinder shell (2).

6. The down collection device for meltblown thermal insulation fiber cotton material according to claim 5, characterized in that: A support ring (23) is fixed to the end wall of the drive disc (18), and the other end of the inner cylinder shell (2) is rotatably fitted onto the support ring (23).

7. The down collection device for meltblown thermal insulation fiber cotton material according to claim 1, characterized in that: The outer surface of the filter screen (5) is flush with the outer surface of the inner cylinder shell (2).

8. The down collection device for meltblown thermal insulation fiber cotton material according to claim 1, characterized in that: A baffle (8) is fixedly attached to the discharge port (7) in a conformal manner, and the outer surface of the baffle (8) is flush with the outer surface of the inner cylinder shell (2).

9. The down collection device for meltblown thermal insulation fiber cotton material according to claim 1, characterized in that: The unloading cylinder (16) is fitted with a dust removal bag (17).

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