Feeding device for meltblown extruders

Abstract

The utility model discloses a kind of feeding devices for melt-blow extruder, including melt-blow extruder body, the upper surface of the melt-blow extruder body is fixedly connected with feed tank, the utility model is rotated by motor two with mixed rod, material is mixed sufficiently, so that material composition is evenly distributed, simultaneously, gas in mixed cylinder is extracted by suction pump through absorption pipe, forms negative pressure environment, discharges material bubble and hole, improves material density, can transport more material in the same screw groove volume, to improve conveying efficiency, and also avoid the waste of material and product quality instability caused by bubble hole, motor one in screw mechanism drives helical blade shaft rotation, stable push material, convert thrust into pressure, ensure that material is discharged smoothly, avoid material accumulation or jam in feed tank, activated carbon filter screen filters and purifies extracted gas, remove impurities odor, so that exhaust gas meets environmental protection requirement, avoid environmental pollution.

Description

Technical Field

[0001] This utility model relates to the field of meltblown process technology, and in particular to a feeding device for a meltblown extruder. Background Technology

[0002] In the field of polymer material processing, especially in meltblown technology, uniform mixing and stable conveying of materials are key to ensuring product quality and production efficiency. Meltblown technology is mainly used to produce nonwoven fabrics, such as meltblown cloth, which is widely used in medical and health, filter materials, thermal insulation materials and other fields.

[0003] In traditional feeding devices, materials often contain air bubbles and pores during the mixing process. These defects not only reduce the density of the material but also affect heat transfer efficiency, leading to uneven heating. Unevenly heated materials are prone to quality problems in subsequent processing, such as uneven fiber distribution and reduced product strength. In addition, the presence of air bubbles and pores can lead to material waste, increase production costs, and cause material to accumulate or clog during transportation. This accumulation or clogging can disrupt the smooth flow of materials and affect the continuity of production. For example, during high-load production, material accumulation may cause equipment shutdown and require manual cleaning, which not only increases maintenance costs but also reduces production efficiency. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a feeding device for a meltblown extruder.

[0005] This utility model is achieved using the following technical solution: a feeding device for a meltblown extruder, comprising a meltblown extruder body, a feed box fixedly connected to the upper surface of the meltblown extruder body, a mounting frame one fixedly connected to the upper surface of the meltblown extruder body, a mixing cylinder fixedly connected to the upper surface of the mounting frame one, a mounting frame two fixedly connected to the upper surface of the meltblown extruder body, a purification box fixedly connected to the upper surface of the mounting frame two, an air pump fixedly connected to the surface of the purification box, an absorption pipe fixedly connected to the input end of the air pump, a discharge pipe fixedly connected to the output end of the air pump, an activated carbon filter fixedly connected to the inner wall of the purification box, several exhaust grooves opened on the surface of the purification box, and a spiral mechanism provided inside the feed box;

[0006] The spiral mechanism includes a mounting base, a motor is fixedly installed inside the mounting base, a spiral blade shaft is fixedly connected to the output end of the motor, and a feeding groove is provided on the lower surface of the feeding box.

[0007] By reducing air bubbles and pores, the density of the material increases, allowing more material to be conveyed within the same screw channel volume, thus improving conveying efficiency. Reducing air bubbles and pores also improves the material's heat transfer efficiency, enabling it to be heated more evenly. The rotation of the spiral blade shaft stably conveys the material forward, ensuring a continuous supply and preventing material accumulation or blockage in the feed box. The spiral mechanism provides uniform thrust to the material during conveying, helping it maintain good flowability and uniformity in subsequent processing and improving product quality.

[0008] As a further improvement to the above solution, the spiral blade shaft is rotatably connected to the inner wall of the feed box.

[0009] As a further improvement to the above solution, a feed hopper is fixedly connected to the upper surface of the mixing cylinder.

[0010] As a further improvement to the above solution, a second motor is fixedly connected to the upper surface of the mixing cylinder.

[0011] As a further improvement to the above solution, a mixing rod is fixedly connected to the output end of the second motor.

[0012] The above technical solution uses a motor-driven mixing rod to mix materials, ensuring that the materials are fully and evenly mixed before entering the feeding box, thereby improving material consistency and processing quality.

[0013] As a further improvement to the above solution, a feed pipe is fixedly connected to the lower surface of the mixing cylinder, a valve is fixedly installed inside the feed pipe, and the bottom of the feed pipe is located inside the feed box.

[0014] As a further improvement to the above solution, the absorption pipe is fixedly connected to the inside of the mixing cylinder, and the discharge pipe is fixedly connected to the inside of the purification box.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention uses a second motor to drive a mixing rod to rotate, thoroughly mixing the materials and ensuring uniform distribution of material components. Simultaneously, a vacuum pump extracts gas from the mixing cylinder through an absorption pipe, creating a negative pressure environment to remove air bubbles and pores, improving material density. This allows for the transport of more material within the same screw channel volume, thus increasing conveying efficiency and preventing material waste and product quality instability caused by air bubbles and pores. In the screw mechanism, a first motor drives the screw blade shaft to rotate, stably pushing the material and converting thrust into pressure to ensure smooth material discharge, preventing material accumulation or blockage in the feed box. An activated carbon filter filters and purifies the extracted gas, removing impurities and odors, ensuring the discharged gas meets environmental protection requirements and preventing environmental pollution. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the feed box of this utility model;

[0019] Figure 3 This is a schematic diagram of the spiral mechanism of this utility model;

[0020] Figure 4 This is a cross-sectional view of the activated carbon filter screen of this utility model.

[0021] Explanation of key symbols:

[0022] 1. Meltblown extruder body; 2. Feed box; 3. Mounting frame one; 4. Mixing cylinder; 5. Mounting frame two; 6. Purification box; 7. Air pump; 8. Absorption pipe; 9. Discharge pipe; 10. Activated carbon filter screen; 11. Exhaust trough; 12. Screw mechanism; 121. Mounting base; 122. Motor one; 123. Screw blade shaft; 124. Feed trough; 13. Feed hopper; 14. Motor two; 15. Mixing rod; 16. Feed pipe. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0024] Example:

[0025] Please combine Figures 1-4 The feeding device for a meltblown extruder in this embodiment includes a meltblown extruder body 1, a feed box 2 fixedly connected to the upper surface of the meltblown extruder body 1, a mounting frame 3 fixedly connected to the upper surface of the meltblown extruder body 1, a mixing cylinder 4 fixedly connected to the upper surface of the mounting frame 3, a mounting frame 5 fixedly connected to the upper surface of the meltblown extruder body 1, a purification box 6 fixedly connected to the upper surface of the mounting frame 5, a vacuum pump 7 fixedly connected to the surface of the purification box 6, an absorption pipe 8 fixedly connected to the input end of the vacuum pump 7, a discharge pipe 9 fixedly connected to the output end of the vacuum pump 7, an activated carbon filter screen 10 fixedly connected to the inner wall of the purification box 6, a plurality of exhaust grooves 11 opened on the surface of the purification box 6, and a spiral mechanism 12 provided inside the feed box 2.

[0026] The spiral mechanism 12 includes a mounting base 121, inside which a motor 122 is fixedly mounted. The output end of the motor 122 is fixedly connected to a spiral blade shaft 123. A discharge trough 124 is provided on the lower surface of the feed box 2. Gas is extracted from the mixing cylinder 4 by a vacuum pump 7 and an absorption pipe 8, creating a negative pressure environment that gradually reduces air bubbles and pores in the material. The material, after mixing and expelling air bubbles and pores, enters the feed box 2. The motor 122 in the spiral mechanism 12 drives the spiral blade shaft 123 to rotate, generating a forward thrust that acts on the material, causing it to move forward. As the material continues to advance, the thrust gradually transforms into pressure, ensuring that the material can smoothly pass through the discharge trough 124 and be discharged.

[0027] The spiral blade shaft 123 is rotatably connected to the inner wall of the feed box 2, ensuring that the spiral blade shaft 123 can rotate stably inside the feed box 2.

[0028] A feed hopper 13 is fixedly connected to the upper surface of the mixing cylinder 4, and the material enters the interior of the mixing cylinder 4 through the feed hopper 13.

[0029] A motor 14 is fixedly connected to the upper surface of the mixing cylinder 4.

[0030] The output end of motor 14 is fixedly connected to mixing rod 15, and motor 14 is fixedly connected to the upper surface of mixing cylinder 4. Motor 14 provides power for mixing materials in mixing cylinder 4.

[0031] A feeding pipe 16 is fixedly connected to the lower surface of the mixing cylinder 4. A valve is fixedly installed inside the feeding pipe 16. The bottom of the feeding pipe 16 is located inside the feed box 2. The valve controls the material to enter the feed box 2 from the mixing cylinder 4.

[0032] The absorption pipe 8 is fixedly connected to the inside of the mixing cylinder 4, and the discharge pipe 9 is fixedly connected to the inside of the purification box 6.

[0033] The implementation principle of the feeding device for the meltblown extruder in this embodiment is as follows: The operator first pours the material into the mixing cylinder 4 through the feed hopper 13. At this time, the motor 14 starts, and its output drives the mixing rod 15 to rotate, thoroughly mixing the material in the mixing cylinder 4 to ensure uniform distribution of the material components. Simultaneously, the vacuum pump 7 starts working, and its input absorption pipe 8 extracts the gas inside the mixing cylinder 4. During this process, a negative pressure environment gradually forms inside the mixing cylinder 4. Air bubbles and pores in the material are gradually expelled under the negative pressure, reducing the internal voids and improving the material's density. After mixing and expelling air bubbles and pores, the material enters the feed box 2 through the discharge pipe 16 on the lower surface of the mixing cylinder 4. Once the material enters the feed box 2, the feed pipe 16 is installed inside the feed box 2... The screw mechanism 12 starts working, and the motor 122 starts. Its output end drives the screw shaft 123 to rotate. With the stable rotation connection of the screw shaft 123 on the inner wall of the feed box 2, the screw shaft 123 can smoothly push the material forward. As the screw shaft 123 rotates continuously, the material is pushed forward by the forward thrust and moves forward. In the process of the material being pushed forward, the thrust is gradually converted into pressure, which finally ensures that the material can be discharged smoothly through the discharge trough 124 on the lower surface of the feed box 2 and enter the meltblown extruder body 1 for subsequent processing. The activated carbon filter 10 in the purification box 6 filters and purifies the extracted gas, removing impurities and odors, so that the discharged gas meets environmental protection requirements and reduces pollution to the environment. At the same time, the exhaust trough 11 on the surface of the purification box 6 can discharge the purified gas.

[0034] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A feeding device for a meltblown extruder, characterized in that, The device includes a meltblown extruder body (1), a feed box (2) is fixedly connected to the upper surface of the meltblown extruder body (1), a mounting frame one (3) is fixedly connected to the upper surface of the meltblown extruder body (1), a mixing cylinder (4) is fixedly connected to the upper surface of the mounting frame one (3), a mounting frame two (5) is fixedly connected to the upper surface of the meltblown extruder body (1), a purification box (6) is fixedly connected to the upper surface of the mounting frame two (5), a vacuum pump (7) is fixedly connected to the surface of the purification box (6), an absorption pipe (8) is fixedly connected to the input end of the vacuum pump (7), a discharge pipe (9) is fixedly connected to the output end of the vacuum pump (7), an activated carbon filter screen (10) is fixedly connected to the inner wall of the purification box (6), a plurality of exhaust grooves (11) are opened on the surface of the purification box (6), and a spiral mechanism (12) is provided inside the feed box (2). The spiral mechanism (12) includes a mounting base (121), a motor (122) is fixedly installed inside the mounting base (121), a spiral blade shaft (123) is fixedly connected to the output end of the motor (122), and a feeding groove (124) is provided on the lower surface of the feeding box (2).

2. The feeding device for a meltblown extruder as described in claim 1, characterized in that: The spiral blade shaft (123) is rotatably connected to the inner wall of the feed box (2).

3. The feeding device for a meltblown extruder as described in claim 1, characterized in that: The upper surface of the mixing cylinder (4) is fixedly connected to the feed hopper (13).

4. The feeding device for a meltblown extruder as described in claim 1, characterized in that: The upper surface of the mixing cylinder (4) is fixedly connected to the motor (14).

5. The feeding device for a meltblown extruder as described in claim 4, characterized in that: The output end of the second motor (14) is fixedly connected to a mixing rod (15).

6. The feeding device for a meltblown extruder as described in claim 1, characterized in that: The lower surface of the mixing cylinder (4) is fixedly connected to a feeding pipe (16), and a valve is fixedly installed inside the feeding pipe (16). The bottom of the feeding pipe (16) is located inside the feed box (2).

7. The feeding device for a meltblown extruder as described in claim 1, characterized in that: The absorption tube (8) is fixedly connected to the inside of the mixing cylinder (4), and the discharge tube (9) is fixedly connected to the inside of the purification box (6).

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