阅读说明：本技术 一种熔喷布生产装置 (Melt-blown fabric production device ) 是由 徐锦标 廖福 卢明能 顾伟 桑小明 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种熔喷布生产装置,包括螺杆挤出机,所述螺杆挤出机的出料口设有送料管,所述送料管上设有计量泵,用来测定熔喷布原料在管道中的流量,所述计量泵与螺旋挤出机之间的送料管上设有换网器,换网器内设有过滤网,过滤网可以过滤原料中混有的杂质,同时换网器上设有开槽用于更换过滤网,所述送料管的另一端设有喷丝板,所述喷丝板下方设有熔喷布接收网带线,所述熔喷布接收网带线包括工作台与传动装置,所述工作台的熔喷布输出端设有熔喷布收卷机。本发明具有提高产品质量,提高工作效率的特点。(The invention discloses a melt-blown fabric production device which comprises a screw extruder, wherein a discharge port of the screw extruder is provided with a feeding pipe, the feeding pipe is provided with a metering pump for measuring the flow of a melt-blown fabric raw material in a pipeline, a screen changer is arranged on the feeding pipe between the metering pump and the screw extruder, a filter screen is arranged in the screen changer and can filter impurities mixed in the raw material, meanwhile, the screen changer is provided with a slot for replacing the filter screen, the other end of the feeding pipe is provided with a spinneret plate, melt-blown fabric receiving mesh belt lines are arranged below the spinneret plate and comprise a workbench and a transmission device, and a melt-blown fabric winding machine is arranged at the melt-blown fabric output end of the workbench. The invention has the characteristics of improving the product quality and improving the working efficiency.)

1. The utility model provides a melt-blown fabric apparatus for producing, includes screw extruder (1), its characterized in that: a discharge port of the screw extruder (1) is provided with a feeding pipe (4), the feeding pipe (4) is provided with a metering pump (5), the feeding pipe (4) between the metering pump (5) and the screw extruder (1) is provided with a screen changer (6), the other end of the feeding pipe (4) is provided with a spinneret plate (7), a spinneret hole (8) is arranged in the spinneret plate (7), two sides of the spinneret hole (8) are provided with air blowing dies (9), the surface of the spinneret plate (7) is provided with an air inlet (10), the air inlet (10) is communicated with the air blowing dies (9), the surface of the spinneret plate (7) is provided with a mounting hole (11), a heating rod (12) is arranged in the mounting hole (11), the air inlet (10) is provided with an air conveying pipe (701), the other end of the air conveying pipe (701) is provided with an air heating device (702), and melt-blown cloth is arranged below the spinneret plate (7) and, the melt-blown fabric receiving mesh belt line (2) comprises a workbench (201) and a transmission device (202), a turbine screw rod elevator (203) is arranged in the transmission device (202), the telescopic end of the turbine screw rod elevator (203) is connected to the bottom of the workbench (201), a rotating handle (18) of the turbine screw rod elevator (203) is arranged on the outer wall of the transmission device (202), a pressure-resistant ventilation hose (204) is arranged on the side wall of the workbench (201), one end of the pressure-resistant ventilation hose (204) penetrates through the side wall of the workbench (201) and stretches into the workbench (201), the other end of the pressure-resistant ventilation hose (204) is connected with a negative pressure fan (205), the melt-blown fabric output end of the workbench (201) is provided with a melt-blown fabric winding machine (3), the melt-blown fabric winding machine (3) comprises an installation side plate (301), an electrostatic generator (302) is arranged on the outer wall of the installation side plate (301) of the melt-blown fabric winding machine (3), be equipped with electrostatic generator support (302) on the installation curb plate (301) of melt-blown fabric rolling machine (3), be equipped with electrostatic generator (303) on electrostatic generator support (302), be equipped with cutter roller (304) between installation curb plate (301), cutter roller (304) top is equipped with air knife (305), the one end of air knife (305) is equipped with pneumatic guide rail (306), air knife (305) are connected to the removal end of pneumatic guide rail (306), pneumatic guide rail (306) are fixed on installation curb plate (301).

2. The meltblown fabric production apparatus of claim 1, wherein: the melt-blown fabric output end of the workbench (201) and the melt-blown fabric input end of the winding machine (3) are on the same straight line in the horizontal direction.

3. The meltblown fabric production apparatus of claim 1, wherein: the surface of a winding device of the winding machine (3) is made of a frosted material.

4. The meltblown fabric production apparatus of claim 1, wherein: the static electricity generator (303) is connected with the static electricity generator (302).

5. The meltblown fabric production apparatus of claim 1, wherein: two blowing molds (9) are arranged in the spinneret plate (7), the blowing molds (9) are symmetrically arranged on two sides of the spinneret hole (8) in a V shape, and two air inlets (10) corresponding to the blowing molds (9) are arranged.

6. The meltblown fabric production apparatus of claim 1, wherein: the device comprises a screw extruder (1), a metering pump (5), a melt-blown fabric receiving mesh belt line (2), an air heating device (702), a heating rod (12) and a negative pressure fan (205), wherein the screw extruder, the metering pump and the melt-blown fabric receiving mesh belt line are electrically connected with a master control box (13).

Technical Field

The invention relates to the technical field of non-woven fabric materials, in particular to a melt-blown fabric production device.

Technical Field

The melt-blown non-woven process is a non-woven fabric which is formed by drafting polymer melt trickle extruded from spinneret orifices by utilizing high-speed hot air so as to form superfine fibers, jetting the superfine fibers on a collecting device and bonding the superfine fibers by self.

More impurities are often mixed in the production of melt-blown fabric raw materials, so that the finally formed melt-blown fabric has poor quality; in the prior art of a melt-blown fabric spinneret plate, the spinning speed of the spinneret plate is low, so that the spinning quality is poor, and the production quality of final melt-blown fabric is influenced; when the spinneret plate performs spinning, the spinning speed is different due to the change of the flow rate of the raw material supply, so that the raw material distribution of the melt-blown fabric to be formed on the workbench is uneven, and the forming quality of the melt-blown fabric is poor; in order to enable the produced melt-blown fabric to meet the medical grade requirement specified by the state, static electricity needs to be added to the melt-blown fabric after production is finished, the melt-blown fabric rolled after production is required to be unfolded and then added again in the prior art, more labor cost needs to be consumed, and the efficiency is lower.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a melt-blown fabric production device which has the characteristics of filtering impurities in raw materials, improving the spinning quality of a spinneret plate and improving the overall working efficiency.

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

a melt-blown fabric production device comprises a screw extruder, wherein a discharge port of the screw extruder is provided with a feeding pipe, the feeding pipe is provided with a metering pump for measuring the flow of a melt-blown fabric raw material in a pipeline, a screen changer is arranged on the feeding pipe between the metering pump and the screw extruder, a filter screen is arranged in the screen changer and can filter impurities mixed in the raw material, meanwhile, the screen changer is provided with a slot for replacing the filter screen, the other end of the feeding pipe is provided with a spinneret plate, spinneret holes are arranged in the spinneret plate, blowing dies are arranged on two sides of the spinneret holes and are symmetrical and arranged in a V shape on two sides of the spinneret holes, the surface of the spinneret plate is provided with an air inlet which is communicated with the blowing dies, the surface of the spinneret plate is provided with a plurality of mounting holes, heating rods are arranged in the mounting holes, and the air inlet is provided with a gas, the other end of the gas pipe is provided with an air heating device, the air in the air blowing mould is heated under the action of an air compressor, a melt-blown fabric receiving mesh belt line is arranged below the spinneret plate and comprises a workbench and a transmission device, a turbine screw rod lifter is arranged in the transmission device, the telescopic end of the turbine screw rod lifter penetrates through the top of the transmission device and is connected to the bottom of the workbench, a pressure-resistant ventilation hose is arranged on the side wall of the workbench, one end of the pressure-resistant ventilation hose penetrates through the side wall of the workbench and extends into the workbench, the other end of the pressure-resistant ventilation hose is connected with a negative pressure fan, the melt-blown fabric output end of the workbench is provided with a melt-blown fabric winding machine, the melt-blown fabric winding machine comprises an installation side plate, and an electrostatic generator is arranged on the outer wall of the installation side plate of the melt-blown fabric winding machine, the device comprises a melt-blown fabric winding machine and is characterized in that an electrostatic generator support is arranged on an installation side plate of the melt-blown fabric winding machine, an electrostatic generator is arranged on the electrostatic generator support, the electrostatic generator is aligned with melt-blown fabric in the winding machine, a cutter roller is arranged between the installation side plates, an air knife is arranged above the cutter roller and aligned with the cutter roller, a pneumatic guide rail is arranged at one end of the air knife, the moving end of the pneumatic guide rail is connected with the air knife, the pneumatic guide rail is fixed on the installation side plate, and the air knife can move vertically above the cutter roller under the cooperation of the pneumatic guide rail.

In order to ensure that the winding machine and the melt-blown fabric receiving mesh belt line work in a matched manner to smoothly wind the melt-blown fabric, the melt-blown fabric output end of the workbench and the melt-blown fabric input end of the winding machine are positioned on the same straight line in the horizontal direction.

In order to prevent the contact surface of the melt-blown fabric and the winding device from slipping during winding, the surface of the winding device of the winding machine is made of a frosted material.

In order for the electrostatic generator to provide the electrostatic generator with the electrostatic charge, the electrostatic generator is connected to the electrostatic generator.

In order to simplify the operation and improve the integrity of the device, the screw extruder, the metering pump, the melt-blown fabric receiving mesh belt line, the air heating device, the heating rod and the negative pressure fan are electrically connected with the master control box.

In order to arrange and place various connecting wires of whole device, set up the electric cabinet.

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

1. through set up the screen changer on the pipeline between screw extruder and spinneret, utilize the filter screen in the screen changer to filter the raw materials for production of melt-blown fabric, improve the production quality of melt-blown fabric, utilize the screen changer to reach the effect that also can change the filter screen without shutting down.

2. The blowing dies are arranged in the spinneret plate and symmetrically arranged on two sides of the spinneret orifice in a V shape, so that the blowing dies can push the spinneret orifice to accelerate the speed of spraying the raw material by utilizing sprayed high-temperature air flow, the quality of the sprayed raw material is improved by utilizing the extrusion of the air flow, and the quality of the formed melt-blown cloth is improved.

3. A pressure-resistant ventilation hose is arranged on a workbench for forming the melt-blown fabric, and a negative pressure fan is used for blowing air through the pressure-resistant ventilation hose to cool the melt-blown fabric being formed, so that the cooling forming speed of the melt-blown fabric is increased, and the integral working quality is improved.

4. Set up the turboscrew rod lift in the workstation bottom, utilize the motion of turboscrew rod lift to drive the workstation up-and-down motion, utilize the turboscrew rod lift to spout the high regulation of spinning speed to the workstation according to the difference, make the melt-blown cloth raw materials subsection of falling into the shaping in the workstation even, improve product quality.

5. The electrostatic generator is additionally arranged on the winding machine, so that electrostatic treatment can be directly carried out on the melt-blown fabric being wound, the process flow is not required to be additionally added to add static electricity to the melt-blown fabric, the production operation steps are simplified, and the overall working efficiency is improved.

6. Set up cutter roll and air knife on the rolling machine, can tear the vestige to the melt-blown fabric of rolling and handle, can make the staff directly tear the melt-blown fabric of appropriate length from melt-blown fabric book when producing the gauze mask, make things convenient for staff's concrete operation, improve whole work efficiency.

7. The surface of the winding device of the winding machine is set to be a frosted material, the friction force of the contact surface of the winding device and the melt-blown fabric is improved, the melt-blown fabric is prevented from slipping with the winding device when being wound, so that the melt-blown fabric is damaged when being wound, and the production quality of the final melt-blown fabric is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the meltblown fabric receiving web wire of FIG. 1;

FIG. 3 is a schematic view of the meltblown fabric receiving mesh wire of FIG. 1 connected to a negative pressure air blower;

fig. 4 is a schematic structural view of the spinneret shown in fig. 1;

fig. 5 is a cross-sectional view of a spinneret plate;

FIG. 6 is a top view of the meltblown fabric winder of FIG. 1;

FIG. 7 is a cross-sectional view of a meltblown fabric winder;

in the figure: 1-screw extruder; 2, receiving mesh belt lines by melt-blown cloth; 3-melt spraying cloth rolling machine; 4-a feeding pipe; 5, a metering pump; 6, a screen changer; 7, spinneret plates; 8-spinneret holes; 9-blowing the mold; 10-an air inlet; 11-mounting holes; 12-a heating rod; 13-a master control box; 14, an electric cabinet; 15-mesh belt; 16-rotating the handle; 701-gas transmission pipe; 702-an air heating device; 703 — an air compressor; 201 — a workbench; 202-a transmission; 203-turbine screw rod lifter; 204-pressure-resistant ventilation hose; 205-negative pressure fan; 301 mounting a side plate; 302-electrostatic generator support; 303-an electrostatic generator; 304-cutter roll; 305-an air knife; 306 — pneumatic guide rails; 307-electrostatic generator.

Detailed description of the preferred embodiments

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "provided," it can be directly on another element or intervening elements may also be present. The terms "top," "bottom," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 1 is a schematic view of a preferred embodiment of the present invention.

A melt-blown fabric production device comprises a screw extruder 1, a discharge port of the screw extruder 1 is provided with a feeding pipe 4, the feeding pipe 4 is provided with a metering pump 5 for measuring the flow of melt-blown fabric raw materials in a pipeline, the feeding pipe 4 between the metering pump 5 and the screw extruder 1 is provided with a screen changer 6, a filter screen is arranged in the screen changer 6 and can filter impurities mixed in the raw materials, meanwhile, the screen changer 6 is provided with a slot for replacing the filter screen, the other end of the feeding pipe 4 is provided with a spinneret plate 7, a spinneret plate 7 is provided with a spinneret hole 8, two sides of the spinneret hole 8 are provided with blowing dies 9, the blowing dies 9 are symmetrically arranged and are in a V shape at two sides of the spinneret hole 8, the surface of the spinneret plate 7 is provided with an air inlet 10, the air inlet 10 is communicated with the blowing dies 9, the surface of the spinneret plate 7 is provided with a plurality of mounting holes, the internal heating rod 12 of the mounting hole 11 is provided, the air inlet 10 is provided with an air pipe 701, the other end of the air pipe 701 is provided with an air heating device 702, the air entering the blowing mold 9 is heated under the action of an air compressor 703, a melt-blown fabric receiving mesh thread 2 is arranged below the spinneret plate 7, the melt-blown fabric receiving mesh thread 2 comprises a workbench 201 and a transmission device 202, the transmission device is internally provided with a turbine screw rod lifter 203, the telescopic end of the turbine screw rod lifter 203 penetrates through the top of the transmission device 202 and is connected to the bottom of the workbench 201, the side wall of the workbench 201 is provided with a pressure-resistant ventilation hose 204, one end of the pressure-resistant ventilation hose 204 penetrates through the side wall of the workbench 201 and extends into the workbench 201, the other end of the pressure-resistant ventilation hose 204 is connected with a negative pressure fan 205, the melt-blown fabric output end of the workbench 201 is provided with a melt-blown fabric winder 3, the meltblown fabric winding machine 3 comprises a mounting side plate 301, an electrostatic generator 307 is arranged on the outer wall of the mounting side plate 301 of the meltblown fabric winding machine 3, an electrostatic generator support 302 is arranged on the mounting side plate 301, an electrostatic generator 303 is arranged on the electrostatic generator support 302, the electrostatic generator 303 aligns to meltblown fabric in the winding machine, a cutter roller 304 is arranged between the mounting side plates 301, an air knife 305 is arranged above the cutter roller 304, the air knife 305 aligns to the cutter roller 304, a pneumatic guide rail 306 is arranged at one end of the air knife 305, the moving end of the pneumatic guide rail 306 is connected with the air knife 305, the pneumatic guide rail 306 is fixed on the mounting side plate 301, and the air knife 305 can move vertically above the cutter roller 304 under the cooperation of the pneumatic guide rail 306.

In order to ensure that the melt-blown fabric winding machine 3 and the melt-blown fabric receiving mesh belt line 2 work in a matched manner to smoothly wind the melt-blown fabric, the melt-blown fabric output end of the workbench and the melt-blown fabric input end of the winding machine are positioned on the same straight line in the horizontal direction.

In order to prevent the contact surface of the meltblown fabric and the winding device of the meltblown fabric winding machine 3 from slipping during winding, the surface of the winding device of the meltblown fabric winding machine 3 is made of a frosted material.

In order for the static electricity generator 307 to supply the static electricity generator 303 with the static electricity raw material, the static electricity generator 303 is connected to the static electricity generator 307.

In order to simplify the operation and improve the integrity of the device, the screw extruder 1, the metering pump 5, the melt-blown fabric receiving mesh belt line 2, the air heating device 702, the heating rod 12 and the negative pressure fan 205 are electrically connected with the master control box 13.

An electric cabinet 14 is provided for arranging and placing various connecting wires of the whole device.

In the normal production process, raw materials are added into a screw extruder 1 through a feeding hole, the screw extruder 1 enters a spinneret plate 7 under the filtration of a screen changer 6 after the raw materials are processed, a heating rod 12 on the spinneret plate 7 heats the raw materials, the raw materials fall into a mesh belt 15 of a workbench through a spinneret hole 8 in the spinneret plate 7 for forming, after cooling forming, the mesh belt 15 conveys the formed melt-blown fabric to a melt-blown fabric output end of the workbench 201 under the driving of a driving roller and a driven roller in the workbench 201, the melt-blown fabric enters a melt-blown fabric winding machine 3 after passing through the melt-blown fabric output end, passes through an electrostatic generator 303 under the driving of a transition driving roller of the melt-blown fabric winding machine 3, meanwhile, the electrostatic generator 303 attaches static electricity to the melt-blown fabric, and when the melt-blown fabric passes through a cutter roller 304, an air knife 305 partially cuts the melt-blown fabric, finally, the molten sprayed fabric is rolled in a rolling device of a molten sprayed fabric rolling machine.

In the normal production process, the air compressor heats the air by the air heating device 702 and then conveys the air into the blowing die 9 of the spinneret plate 7, the high-speed air flow in the blowing die 9 is V-shaped under the matching of the blowing dies 9 on the left side and the right side, and the air flow is matched with the spinneret holes 8 during spinneret, so that the spinneret speed of the spinneret plate 7 is accelerated, and the spinneret quality is improved by extruding spinneret raw materials by utilizing the air flow.

In the normal production process, the negative pressure fan 205 blows air to the molten spraying cloth being cooled in the workbench 201 through the pressure-resistant ventilation hose 204, so that the air circulation in the workbench is accelerated, and the cooling forming speed of the molten spraying cloth is accelerated.

In the normal production process, according to the spinning speed of the spinneret plate 7, if the spinning is fast, the height of the workbench is adjusted to be low by using the rotating handle 16 of the worm gear screw rod lifter 203, and if the spinning speed is slow, the height of the workbench 201 is adjusted to be high by using the rotating handle 16, so that the workbench is close to the spinneret plate 7, and raw materials are uniformly distributed on the workbench 201.

The above examples merely represent one way of describing the present invention in more detail and detail, and should not be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.