Heat preservation device of melt-blown non-woven fabric extruder

Abstract

The utility model provides a heat preservation device of a melt-blown non-woven fabric extruder, which comprises an extruder table and a feeding box, the feeding box is communicated with and arranged above the extruder table, a heating base is arranged on the upper surface of the extruder table, the lower part of the feeding box is arranged inside the heating base, and the upper part of the feeding box is communicated with the extruder table. A temperature control panel is arranged on one side of the heating base, heating plates are evenly distributed in the heating base at equal intervals and electrically connected with the temperature control panel through a converter, two sets of mounting plates are symmetrically and fixedly connected to the two sides of the heating base, and through grooves are formed in the upper portions of the mounting plates. And positioning assemblies are symmetrically installed in the two through grooves at equal intervals, one ends of the positioning assemblies are attached to the outer wall of the feeding box, the positioning assemblies are installed on the upper surface of the extruding machine table in a communicating mode through the arranged feeding box and store raw materials for spraying and melting non-woven fabric, an air heater is arranged on one side of the feeding box, and heat is supplied into the feeding box through an air pipe of the air heater.

Description

Technical Field

[0001] This utility model relates to the field of nonwoven fabric technology, specifically to a heat preservation device for a meltblown nonwoven fabric extruder. Background Technology

[0002] In the production process of meltblown nonwoven fabric, the extruder needs to heat the polymer raw material to a molten state and extrude it. Most of the time, an extruder is required. The screw extruder relies on the pressure and shear force generated by the rotation of the screw to enable the material to be fully plasticized and uniformly mixed. During the extrusion of nonwoven fabric, the temperature has a crucial impact on the quality and production efficiency of meltblown nonwoven fabric.

[0003] The extruder insulation device disclosed in patent application CN210308971U includes an insulation cylinder, a sleeve sealed around the insulation cylinder, and a controller. An annular groove is formed on the inner wall of the sleeve, located at the rear end of the sleeve and forming an oil cavity for heat transfer oil flow between the groove and the outer wall of the insulation cylinder. The inner wall at the front end of the sleeve is in contact with the outer wall of the insulation cylinder. A first heating device and a second heating device are provided outside the sleeve. After passing through a dynamic mixer, the material is directly extruded, and the material flow first enters the first insulation zone. The first heating device heats the front ends of the sleeve and the insulation cylinder.

[0004] However, the above-mentioned device still has the following problems during implementation:

[0005] 1. Most existing meltblown nonwoven fabric extruders use a hot air blower for heating during operation, which is not very effective and results in rapid heat loss. This leads to unstable internal temperature of the extruder, which in turn affects the quality of the meltblown nonwoven fabric, causing problems such as uneven fiber thickness and insufficient strength.

[0006] 2. Most existing insulation devices are fixedly installed outside the feeding box, which makes the operation cumbersome, the structure complex, and the installation and maintenance inconvenient when maintenance is required later. Utility Model Content

[0007] The purpose of this invention is to provide a heat preservation device for a meltblown nonwoven fabric extruder to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A heat preservation device for a meltblown nonwoven fabric extruder includes an extruder platform and a feeding box. The feeding box is connected and positioned above the extruder platform. A heating base is provided on the upper surface of the extruder platform. The lower part of the feeding box is located inside the heating base. A temperature control panel is provided on one side of the heating base. Heating plates are evenly distributed and equidistantly arranged inside the heating base. The heating plates are electrically connected to the temperature control panel via a converter.

[0010] Two sets of mounting plates are symmetrically and fixedly connected on both sides of the heating base. The upper part of the mounting plate is provided with a through groove. Positioning components are symmetrically and equidistantly installed inside the two sets of through grooves. One end of the positioning component is attached to the outer wall of the feeding box.

[0011] Preferably, the top of the feeding box is provided with a box cover, and an installation block is fixedly installed on one side of the feeding box. A feeding pipe is fitted inside the installation block, and one end of the feeding pipe passes through the box cover and communicates with the inside of the feeding box.

[0012] Preferably, a hot air blower is provided on one side of the outside of the feeding box, a hook is provided on one side of the top of the feeding box, the output end of the hot air blower is connected to an air supply pipe, one end of the air supply pipe is connected to the middle of the feeding box, and a connecting buckle is provided on the outer surface of the air supply pipe, which is movably hooked into the hook.

[0013] Preferably, the bottom of the feeding box is provided with a conical discharge port, the bottom of the conical discharge port is connected to a discharge pipe, a solenoid valve is provided inside the discharge pipe, the bottom end of the discharge pipe passes through the bottom of the heating base and is connected to the feed port of the extruder, and an extrusion pipe is provided on one side of the extruder.

[0014] Preferably, the heating base has a groove on its top, the heating plate is equidistantly fitted inside the groove, the diameter of the groove matches the outer diameter of the feeding box, and the lower part of the feeding box is fitted inside the groove and attached to the heating plate.

[0015] Preferably, the positioning component includes a threaded seat and an adjusting screw. The threaded seat is fixedly disposed in the through groove, the adjusting screw has external threads equidistantly distributed in the middle, and the threaded seat has threaded holes inside.

[0016] The threaded hole has an internal thread that matches the external thread. The internal thread meshes with the external thread. One end of the adjusting screw is threaded through the threaded hole and fits against the two sides of the outside of the feeding box.

[0017] Preferably, one end of the adjusting screw is provided with a handle, and the other end of the adjusting screw is fixedly connected with a positioning plate. Positioning holes are symmetrically opened on both sides of the outer wall of the feeding box, and the positioning plate is tightly fitted into the inside of the positioning hole.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. A feeding box is installed on the upper surface of the extruder for storing raw materials for meltblown nonwoven fabric. A hot air fan is installed on one side of the feeding box, and heat is delivered to the inside of the feeding box through the air duct of the hot air fan. At the same time, a heating base is installed at the bottom of the feeding box to further enhance the heating effect. A temperature control panel is installed on one side of the heating base to facilitate the start and temperature adjustment of the heating plate. The temperature is displayed on the temperature control panel, which improves the heat preservation and storage effect of meltblown nonwoven fabric raw materials, making the internal raw material temperature uniform and preventing problems such as uneven fiber thickness and insufficient strength during subsequent nonwoven fabric processing.

[0020] 2. The feeding box is installed through the groove on the top of the heating base. The two sets of symmetrically arranged mounting plates of the heating base have through slots. The positioning components inside the through slots are fitted with the feeding box for connection and positioning. It is easy to use. When the heating base malfunctions and needs to be repaired, it is easy to disassemble and assemble, which brings convenience to the staff. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the main structure of the heating base of this utility model;

[0023] Figure 3 This is a schematic diagram of the main structure of the feeding box part of this utility model;

[0024] Figure 4 This is a schematic diagram of the main structure of the hot air blower part of this utility model;

[0025] Figure 5 This is a partial exploded structural diagram of the positioning component of this utility model.

[0026] In the diagram: 1. Extruder stand; 2. Feed box; 201. Box cover; 3. Heating base; 301. Groove; 4. Temperature control panel; 5. Heating plate; 6. Mounting plate; 7. Through groove; 8. Positioning component; 801. Threaded seat; 802. Adjusting screw; 9. Mounting block; 10. Feed pipe; 11. Hot air blower; 12. Hook; 13. Air supply pipe; 14. Conical discharge port; 15. Discharge pipe; 16. External thread; 17. Threaded hole; 18. Handle; 19. Positioning plate; 20. Positioning hole. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5 This utility model provides a technical solution:

[0029] Example 1:

[0030] A heat preservation device for a meltblown nonwoven fabric extruder includes an extruder platform 1 and a feeding box 2. The feeding box 2 is connected and positioned above the extruder platform 1. The feeding box 2 is installed on the upper surface of the extruder platform 1 for storing raw materials for meltblown nonwoven fabric. A heating base 3 is provided on the upper surface of the extruder platform 1. The lower part of the feeding box 2 is located inside the heating base 3. A temperature control panel 4 is provided on one side of the heating base 3. Heating plates 5 are evenly distributed and equidistantly arranged inside the heating base 3. The heating plates 5 are electrically connected to the temperature control panel 4 through a converter to enhance the heating effect. The temperature control panel 4 on one side of the heating base 3 facilitates the start-up and temperature adjustment of the heating plates 5. The temperature is displayed on the temperature control panel 4, which improves the heat preservation and storage effect of meltblown nonwoven fabric raw materials.

[0031] Two sets of mounting plates 6 are symmetrically and fixedly connected on both sides of the heating base 3. The upper part of the mounting plate 6 is provided with a through groove 7. Positioning components 8 are symmetrically and equidistantly installed inside the two sets of through grooves 7. One end of the positioning component 8 is attached to the outer wall of the feeding box 2.

[0032] The top of the feeding box 2 is provided with a box cover 201. An installation block 9 is fixedly installed on one side of the feeding box 2. A feed pipe 10 is fitted inside the installation block 9. One end of the feed pipe 10 passes through the box cover 201 and communicates with the inside of the feeding box 2. A hot air blower 11 is provided on one side of the outside of the feeding box 2. A hook 12 is provided on one side of the top of the feeding box 2. The output end of the hot air blower 11 is connected to an air supply pipe 13. One end of the air supply pipe 13 is connected to the middle of the feeding box 2. A connecting buckle is provided on the outer surface of the air supply pipe 13. The connecting buckle is movably hooked into the hook 12.

[0033] The bottom of the feeding box 2 is provided with a conical discharge port 14, and the bottom of the conical discharge port 14 is connected to a discharge pipe 15. A solenoid valve is installed inside the discharge pipe 15. The bottom end of the discharge pipe 15 passes through the bottom of the heating base 3 and is connected to the feed port of the extruder platform 1. An extrusion pipe is provided on one side of the extruder platform 1.

[0034] The heating base 3 has a groove 301 on the top, and the heating plate 5 is installed in the groove 301 at equal intervals. The diameter of the groove 301 matches the outer diameter of the feeding box 2. The lower part of the feeding box 2 is installed in the groove 301 and fits in close with the heating plate 5, so that the raw material temperature inside the feeding box 2 is uniform, and problems such as uneven fiber thickness and insufficient strength are not likely to occur during the subsequent non-woven fabric processing.

[0035] Example 2:

[0036] Based on Embodiment 1, this embodiment details the positioning component 8 in Embodiment 1. The positioning component 8 includes a threaded seat 801 and an adjusting screw 802. The threaded seat 801 is fixedly disposed in the through groove 7. The adjusting screw 802 has external threads 16 equidistantly opened in the middle. The threaded seat 801 has a threaded hole 17 inside.

[0037] The threaded hole 17 has an internal thread that matches the external thread 16. The internal thread meshes with the external thread 16. One end of the adjusting screw 802 is threaded through the threaded hole 17 and fits against the two sides of the outside of the feeding box 2. One end of the adjusting screw 802 is provided with a handle 18, and the other end of the adjusting screw 802 is fixedly connected to a positioning piece 19. Positioning holes 20 are symmetrically opened on both sides of the outer wall of the feeding box 2. The positioning piece 19 is pressed against the inside of the positioning hole 20. The positioning component 8 set inside the through groove 7 is fitted with the feeding box 2 for connection and positioning. It is convenient to use and easy to disassemble and assemble when the internal part of the heating base 3 malfunctions and needs to be repaired.

[0038] Working principle: During use, this device is connected to the upper surface of the extruder table 1 via the feeding box 2 for storing the raw material of meltblown nonwoven fabric. A hot air blower 11 is set on one side of the feeding box 2, and heat is delivered to the inside of the feeding box 2 through the air pipe 13 of the hot air blower 11. At the same time, a heating base 3 is set at the bottom of the feeding box 2 to further enhance the heating effect. A temperature control panel 4 is set on one side of the heating base 3 to facilitate the start and temperature adjustment of the heating plate 5. The temperature is displayed on the temperature control panel 4, which improves the heat preservation and storage effect of the meltblown nonwoven fabric raw material, making the internal raw material temperature uniform. This makes it less likely to have problems such as uneven fiber thickness and insufficient strength during the subsequent nonwoven fabric processing.

[0039] The feeding box 2 is installed through the groove 301 on the top of the heating base 3. The two sets of symmetrically arranged mounting plates 6 of the heating base 3 have through grooves 7. The positioning components 8 set inside the through grooves 7 are fitted with the feeding box 2 for connection and positioning. It is convenient to use. When the heating base 3 malfunctions and needs to be repaired, it is easy to disassemble and assemble, which brings convenience to the staff.

[0040] It should be noted that the extruder 1, feeding box 2, heating base 3, temperature control panel 4, heating plate 5 and hot air blower 11 are existing devices or equipment, or devices or equipment that can be implemented by existing technology. Their power supply, specific composition and principle are clear to those skilled in the art, so they will not be described in detail.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heat preservation device for a meltblown nonwoven fabric extruder, comprising an extruder table (1) and a feeding box (2), characterized in that: The feeding box (2) is connected to the upper position of the extruder platform (1). The upper surface of the extruder platform (1) is provided with a heating base (3). The lower part of the feeding box (2) is located inside the heating base (3). A temperature control panel (4) is provided on one side of the heating base (3). Heating plates (5) are evenly distributed and equidistantly arranged inside the heating base (3). The heating plates (5) are electrically connected to the temperature control panel (4) through a converter. The heating base (3) has two sets of mounting plates (6) symmetrically and fixedly connected on both sides. The upper part of the mounting plate (6) has a through groove (7). The two sets of through grooves (7) are symmetrically and equally spacedly installed with positioning components (8). One end of the positioning component (8) is attached to the outer wall of the feeding box (2).

2. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 1, characterized in that: The top of the feeding box (2) is provided with a box cover (201), and an installation block (9) is fixedly installed on one side of the feeding box (2). A feed pipe (10) is fitted inside the installation block (9), and one end of the feed pipe (10) passes through the box cover (201) and communicates with the inside of the feeding box (2).

3. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 1, characterized in that: A hot air blower (11) is provided on one side of the outside of the feeding box (2), and a hook (12) is provided on one side of the top of the feeding box (2). The output end of the hot air blower (11) is connected to an air supply pipe (13). One end of the air supply pipe (13) is connected to the middle of the feeding box (2). A connecting buckle is provided on the outer surface of the air supply pipe (13), and the connecting buckle is movably hooked into the hook (12).

4. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 1, characterized in that: The bottom of the feeding box (2) is provided with a conical discharge port (14), and the bottom of the conical discharge port (14) is connected to a discharge pipe (15). A solenoid valve is provided inside the discharge pipe (15). The bottom end of the discharge pipe (15) passes through the bottom of the heating base (3) and is connected to the feed port of the extruder platform (1). An extrusion pipe is provided on one side of the extruder platform (1).

5. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 1, characterized in that: The heating base (3) has a groove (301) on the top. The heating plate (5) is installed in the groove (301) at equal intervals. The diameter of the groove (301) matches the outer diameter of the feeding box (2). The lower part of the feeding box (2) is installed in the groove (301) and is in contact with the heating plate (5).

6. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 1, characterized in that: The positioning component (8) includes a threaded seat (801) and an adjusting screw (802). The threaded seat (801) is fixedly installed in the through groove (7). The adjusting screw (802) has external threads (16) equidistantly spaced in the middle. The threaded seat (801) has a threaded hole (17) inside. The threaded hole (17) is provided with an internal thread that matches the external thread (16). The internal thread meshes with the external thread (16). One end of the adjusting screw (802) is threaded through the threaded hole (17) and fits against the two sides of the feed box (2).

7. The heat preservation device for a meltblown nonwoven fabric extruder according to claim 6, characterized in that: One end of the adjusting screw (802) is provided with a handle (18), and the other end of the adjusting screw (802) is fixedly connected with a positioning piece (19). The outer walls of the feeding box (2) are symmetrically provided with positioning holes (20), and the positioning piece (19) is tightly fitted to the inside of the positioning hole (20).

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