CN212834396U - Melt-blown non-woven fabric production melt-blown device - Google Patents

Abstract

The utility model discloses a melt-blown non-woven fabrics production melts device, including a feed cylinder, heating mechanism, inverter motor and air compressor machine, the pan feeding mouth is installed at the top of feed cylinder one end, equidistant cover is equipped with a plurality of heating mechanism on the feed cylinder outer wall between pan feeding mouth, the spinneret, the main shaft has been inserted to the inside level of feed cylinder, the one end cover of main shaft is equipped with driven gear, the support frame is installed to equidistant bottom of feed cylinder, the bottom plate top of feed cylinder front side is fixed with inverter motor, and inverter motor's output passes through the shaft coupling and installs the pivot, the one end cover of pivot is equipped with drive gear, the bottom plate top of feed cylinder rear side is fixed with the air compressor machine. The utility model discloses a variable frequency motor, gear and chain drive the main shaft variable speed rotatory to set up reverse distribution's positive helical blade, anti-helical blade, ensure that the material is stable, fully transmit, reduced heating mechanism's the maintenance degree of difficulty moreover.

Description

Melt-blown non-woven fabric production melt-blown device

Technical Field

The utility model relates to a surface fabric production facility technical field specifically is a melt-blown non-woven fabrics production melt-blown device.

Background

Nonwoven fabric, also called nonwoven fabric and nonwoven fabric, is a sheet, web or wadding made of oriented or randomly arranged fibers by various methods such as friction, cohesion, adhesion, etc., for example, melt-blown nonwoven fabric, is made by a series of processes such as polymer feeding, melt extrusion, fiber formation, fiber cooling, web forming, fabric reinforcement, and can be used for producing masks, protective clothing, etc., and the market demand is very large.

However, the existing melt-blown device for melt-blown non-woven fabric production has certain problems, mainly lies in that the materials are possibly condensed in the pipe due to the problems of conveying speed, heating length and the like in the longer conveying process of the molten materials, so that the conveying is unstable, and the material accumulation is easy to occur at the corners of the two ends of the pipe; in addition, the common heating mode mostly adopts the form of a winding coil, when the damage occurs, the whole machine needs to be shut down, overhauled and replaced, and the operation amount is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a melt-blown non-woven fabrics production melts device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a melt-blown non-woven fabric production melt-blown device comprises a feeding barrel, a heating mechanism, a variable frequency motor and an air compressor, wherein a feeding port is arranged at the top of one end of the feeding barrel, a spinning nozzle is arranged at the bottom of the other end of the feeding barrel, a plurality of heating mechanisms are sleeved on the outer wall of the feeding barrel between the feeding port and the spinning nozzle at equal intervals, a main shaft is horizontally inserted into the feeding barrel, two ends of the main shaft extend to the outside of the feeding barrel, a driven gear is sleeved at one end of the main shaft, supporting frames are installed at the bottom end of the feeding barrel at equal intervals, the bottom ends of the supporting frames are vertically fixed on a bottom plate, the variable frequency motor is fixed at the top end of the bottom plate at the front side of the feeding barrel, a rotating shaft is installed at the output end of the variable frequency motor through a coupler, a, an air compressor is fixed at the top end of the bottom plate at the rear side of the feeding barrel, and the output end of the air compressor is communicated with the inside of the feeding barrel above the spinning nozzle through an air guide pipe.

As a further aspect of the present invention: heating mechanism is including two upper and lower thermal-insulated frames, electric heating board and connect vice, the inside of thermal-insulated frame has all inlayed electric heating board, and thermal-insulated frame, electric heating board all are semicircle type structure, the both ends of thermal-insulated frame are all perpendicular protruding and through connecting vice interconnect.

As a further aspect of the present invention: and the two ends of the main shaft are rotationally connected with the outer side wall of the feeding barrel through bearing seats.

As a further aspect of the present invention: the outer side walls of the middle part of the main shaft are welded with positive helical blades at equal intervals, and the outer side walls of the two ends of the main shaft are welded with reverse helical blades.

As a further aspect of the present invention: the reverse helical blades are reversely distributed relative to the forward helical blades, and the feeding port and the spinning nozzle are positioned between the forward helical blades and the reverse helical blades.

As a further aspect of the present invention: the upper part and the lower part of the support frame are respectively formed by welding U-shaped steel and H-shaped steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the variable frequency motor drives the main shaft to rotate at a variable speed through the gear and the chain, and the forward helical blade and the reverse helical blade are distributed in a reverse direction, so that when materials enter and exit, the materials are conveyed along the forward helical blade in a single direction and then are intercepted in the reverse helical blade, and the materials are prevented from being accumulated and blocked at corners;

2. because thermal-insulated frame, electric heating plate all are the semicircle type and nested each other, make things convenient for the dismouting, two thermal-insulated frame make up a circular shape heating mechanism to pass through the vice connection of connection in the protruding department of tip simultaneously, also make things convenient for the dismouting, thereby reduced heating mechanism's the maintenance degree of difficulty.

Drawings

FIG. 1 is a schematic structural view of a melt-blown nonwoven fabric production melt-blown device in a front view;

FIG. 2 is a schematic diagram of a side sectional structure of a melt-blown nonwoven fabric production melt-blowing device;

FIG. 3 is a schematic sectional view of a heating mechanism in a melt-blown apparatus for producing melt-blown nonwoven fabric.

In the figure: 1. a feed cylinder; 2. a feeding port; 3. a spinneret orifice; 4. a heating mechanism; 401. a heat insulation frame; 402. an electrical heating plate; 403. a connecting pair; 5. a main shaft; 6. a positive helical blade; 7. a counter-helical blade; 8. a bearing seat; 9. a driven gear; 10. a drive chain; 11. a drive gear; 12. a rotating shaft; 13. a variable frequency motor; 14. an air duct; 15. an air compressor; 16. a support frame; 17. a base plate.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a melt-blown nonwoven fabric production melt-blown device includes a feeding cylinder 1, a heating mechanism 4, a variable frequency motor 13 and an air compressor 15, wherein a feeding port 2 is installed at the top of one end of the feeding cylinder 1, a spinneret 3 is installed at the bottom of the other end of the feeding cylinder 1, and a plurality of heating mechanisms 4 are equidistantly sleeved on the outer wall of the feeding cylinder 1 between the feeding port 2 and the spinneret 3;

in fig. 3: the heating mechanism 4 comprises an upper heat insulation frame 401, a lower heat insulation frame 401, an electric heating plate 402 and a connecting pair 403, the electric heating plate 402 is embedded in the heat insulation frame 401, the type of the electric heating plate 402 can be CR20, the heat insulation frame 401 and the electric heating plate 402 are both in semicircular structures, two ends of the heat insulation frame 401 are vertically protruded and connected with each other through the connecting pair 403 for multi-point continuous heating, and the molten material is prevented from being cooled and condensed before being output;

in fig. 2: a main shaft 5 is horizontally inserted into the feeding barrel 1, two ends of the main shaft 5 extend to the outside of the feeding barrel 1, and a driven gear 9 is sleeved at one end of the main shaft 5; two ends of the main shaft 5 are rotatably connected with the outer side wall of the feeding barrel 1 through a bearing seat 8 and are used for auxiliary positioning and reducing friction loss; the outer side walls of the middle part of the main shaft 5 are welded with positive helical blades 6 at equal intervals, and the outer side walls of the two ends of the main shaft 5 are welded with reverse helical blades 7 which are respectively used for conveying materials and reversely intercepting; the reverse helical blades 7 are distributed in a reverse direction relative to the forward helical blades 6, and the feeding port 2 and the spinning nozzle 3 are positioned between the forward helical blades 6 and the reverse helical blades 7 to determine the material inlet and outlet positions;

in fig. 1 and 2: the bottom ends of the feeding barrels 1 are provided with support frames 16 at equal intervals, and the bottom ends of the support frames 16 are vertically fixed on a bottom plate 17; the upper part and the lower part of the support frame 16 are respectively formed by welding U-shaped steel and H-shaped steel, so that the material cost is reduced and stable support is provided;

the top end of a bottom plate 17 on the front side of the feeding barrel 1 is fixedly provided with a variable frequency motor 13, the type of the variable frequency motor 13 can be YCH28-400-50-BC, the output end of the variable frequency motor 13 is provided with a rotating shaft 12 through a coupler, one end of the rotating shaft 12 is sleeved with a driving gear 11, a driven gear 9 and the driving gear 11 are connected with each other through a transmission chain 10, the top end of the bottom plate 17 on the rear side of the feeding barrel 1 is fixedly provided with an air compressor 15, the type of the air compressor 15 can be SA55-200, and the output end of the air compressor 15 is communicated with the interior of the feeding barrel 1 above the spinning nozzle 3.

The utility model discloses a theory of operation is: firstly, an electric heating plate 402 in a heating mechanism 4 is electrified and started, the interior of a feeding barrel 1 is preheated, after a period of time, a variable frequency motor 13 is started, the variable frequency motor drives a transmission chain 10 through a rotating shaft 12 and a driving gear 11, a main shaft 5 synchronously rotates through a driven gear 9, after the rotating speed tends to be stable, raw materials for producing non-woven fabrics are put into the feeding barrel 1 through a feeding port 2, then the raw materials are conveyed in a unidirectional rotation mode under the action of forward spiral blades 6 which are arranged at equal intervals, and gradually tend to a melting state in the transmission process, when the position of a spinning nozzle 3 is reached, because an air compressor 15 continuously pumps high-pressure air from top to bottom through an air duct 14, the melting materials are output in a thread shape through the spinning nozzle 3 under the action of high pressure, in the process, because reverse spiral blades 7 at two ends of the main shaft 5 are all reversely distributed relative to the forward spiral blades, the reverse helical blade 7 is in a reverse motion and rotation state, so that the material is prevented from being accumulated at the corner to cause the blockage in the barrel;

in addition, because thermal-insulated frame 401, electric heating plate 402 all are the semicircle type and nested each other, make things convenient for the dismouting, two thermal-insulated frames 401 make up a circular shape heating mechanism 4 of buckleing simultaneously about to connect through connecting vice 403 in the protruding department of tip, also make things convenient for the dismouting, when certain heating element broke down, the accessible was twisted off and is connected vice 403, can directly take out corresponding electric heating plate 402, and maintenance work is simple easy to operate.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A melt-blown non-woven fabric production melt-blown device comprises a feeding barrel (1), a heating mechanism (4), a variable frequency motor (13) and an air compressor (15), and is characterized in that a feeding port (2) is installed at the top of one end of the feeding barrel (1), a spinning port (3) is installed at the bottom of the other end of the feeding barrel (1), a plurality of heating mechanisms (4) are sleeved on the outer wall of the feeding barrel (1) between the feeding port (2) and the spinning port (3) at equal intervals, a main shaft (5) is horizontally inserted in the feeding barrel (1), two ends of the main shaft (5) extend to the outside of the feeding barrel (1), a driven gear (9) is sleeved at one end of the main shaft (5), support frames (16) are installed at equal intervals at the bottom end of the feeding barrel (1), and the bottom ends of the support frames (16) are vertically fixed on a bottom plate (17, the spinning nozzle is characterized in that a variable frequency motor (13) is fixed to the top end of a bottom plate (17) on the front side of the feeding barrel (1), a rotating shaft (12) is installed at the output end of the variable frequency motor (13) through a coupler, a driving gear (11) is sleeved on one end of the rotating shaft (12), the driven gear (9) and the driving gear (11) are connected with each other through a transmission chain (10), an air compressor (15) is fixed to the top end of the bottom plate (17) on the rear side of the feeding barrel (1), and the output end of the air compressor (15) is communicated with the interior of the feeding barrel (1) above the spinning nozzle (3) through an air.

2. The melt-blown non-woven fabric production melt-blown device according to claim 1, wherein the heating mechanism (4) comprises an upper heat insulation frame (401), a lower heat insulation frame (401), an electric heating plate (402) and a connecting pair (403), the electric heating plate (402) is embedded in the heat insulation frame (401), the heat insulation frame (401) and the electric heating plate (402) are both semicircular structures, and two ends of the heat insulation frame (401) are vertically protruded and connected with each other through the connecting pair (403).

3. The melt-blown non-woven fabric production and melt-blown device according to the claim 1, characterized in that both ends of the main shaft (5) are rotatably connected with the outer side wall of the feeding cylinder (1) through a bearing seat (8).

4. The melt-blown non-woven fabric production and melt-blown device according to claim 1, wherein the outer side walls of the middle part of the main shaft (5) are welded with positive helical blades (6) at equal intervals, and the outer side walls of the two ends of the main shaft (5) are welded with negative helical blades (7).

5. The melt-blown non-woven fabric production and melt-blown device according to claim 4, wherein the reverse spiral blades (7) are all distributed in a reverse direction relative to the forward spiral blade (6), and the material inlet (2) and the spinning nozzle (3) are both positioned between the forward spiral blade (6) and the reverse spiral blade (7).

6. The melt-blown non-woven fabric production and melt-blown device according to claim 1, wherein the upper and lower parts of the support frame (16) are respectively formed by welding U-shaped steel and H-shaped steel.

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