CN213172854U

CN213172854U - Spinning device for melt-blown non-woven fabric

Info

Publication number: CN213172854U
Application number: CN202021505924.4U
Authority: CN
Inventors: 杨漫丽; 杨丽梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-05-11
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a spout a silk device for melt-blown non-woven fabrics relates to non-woven fabrics production technical field, the cavity comprises a cavity body, melt passageway bottom fixed connection filter screen, the outside fixedly connected with spinning box of melt passageway, the inner chamber bottom fixedly connected with air compressor of cavity, air compressor one end fixedly connected with air conduit, air conduit run through the spinning box and with ring pipeline fixed connection, the silk blowing gas pocket has been seted up to ring pipeline's bottom, horizontal gas pocket has been seted up to ring pipeline's inboard. This a spout a device for melt-blown non-woven fabrics, through inboard horizontal gas pocket and the filter screen of ring channel, make the inside solution of filter screen more even by the stirring under the effect of wind power, make the quality of non-woven fabrics obtain improving, will not pass through the impurity isolation of spinneret orifice through the filter screen to make impurity can not block up the filter screen under the effect of wind power, avoided blockking up the solution flow that the filter screen leads to the spinning incasement because of impurity and reduced.

Description

Spinning device for melt-blown non-woven fabric

Technical Field

The utility model relates to a non-woven fabrics production technical field specifically is a spout a device for melt-blown non-woven fabrics.

Background

Non-woven fabrics, also called non-woven fabrics and non-woven fabrics, are sheets, webs or waddings made of oriented or randomly arranged fibers by friction, cohesion or adhesion, or a combination of these methods, and are produced by using polypropylene granules as raw materials through high-temperature melting, spinning, lapping and hot-pressing.

In chinese utility model patent application no: CN201920249898.4 discloses a spout a device for melt-blown non-woven fabrics, including the casing, locate the feed inlet that is used for letting in the PBT raw materials on the casing, communicate the intake pipe that is used for letting in compressed air in to the casing on the casing, locate the unit of spouting the PBT raw materials on the casing, the intake pipe has two, and is located the relative both sides of casing respectively. This a spout a device for melt-blown non-woven fabrics, on the one hand, can not filter the polypropylene granule that does not melt completely, lead to not completely melting the polypropylene particulate matter block up the quality that spouts the mouth influence non-woven fabrics, and on the other hand, the spinneret of different apertures is not convenient for change, leads to production efficiency to reduce.

Therefore, it is necessary to provide a spinning apparatus for melt-blowing a nonwoven fabric to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a spout a device for melt-blown non-woven fabrics to the current a device of spouting for melt-blown non-woven fabrics that proposes in solving above-mentioned background art can not filter, does not melt completely the polypropylene granule, leads to not completely melting the polypropylene particulate matter to block up the quality that spouts a mouthful influence non-woven fabrics, is not convenient for change the spinneret in different apertures, leads to the problem that production efficiency reduces.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a spinning device for melt-blown non-woven fabrics comprises a cavity, wherein a feed inlet is fixedly connected to the top end of the cavity, a screw extruder is fixedly connected to the bottom end of the feed inlet, a solution filter is fixedly connected to one end of the screw extruder, a gear metering pump is fixedly connected to one end of the solution filter, which is far away from the screw extruder, a solution channel is fixedly connected to the bottom end of the gear metering pump, a filter screen is fixedly connected to the bottom end of the solution channel, a spinning box is fixedly connected to the outer side of the solution channel, an air compressor is fixedly connected to the bottom of an inner cavity of the cavity, an air pipeline is fixedly connected to one end of the air compressor, penetrates through the spinning box and is fixedly connected with the annular pipeline, a filament blowing air hole is formed in the bottom end of the annular pipeline, a transverse air hole is formed in the inner, the outer side of the spinning box is provided with a threaded hole, the bottom end of the spinning box is fixedly connected with a supporting plate, the bottom of the inner cavity of the supporting plate is fixedly connected with an elastic expansion piece, the bottom of the inner cavity of the elastic expansion piece is fixedly connected with a spring, one side of the top end of the supporting plate is fixedly connected with a sliding rod, the other side of the top end of the supporting plate is fixedly connected with a fixing block, one side of the spinning box is fixedly connected with a slide bar groove, the slide bar penetrates through the slide bar groove and is movably connected with the slide bar groove, the other side of the spinning box is fixedly connected with a fixed box, one end of the inner cavity of the fixed box is fixedly connected with a second spring, one end of the second spring is fixedly connected with a sliding block, the middle part of one side of the sliding block close to the second spring is fixedly connected with a pull rod, the inner cavity of the supporting plate is movably connected with a spinneret plate, and spinneret orifices are formed in the surface of the spinneret plate.

Preferably, solid fixed ring's appearance is L shape, solid fixed ring's turning appearance is the arc, and the middle part of arc chamfer is equipped with the knob, solid fixed ring's one end and spinning case welding, solid fixed ring's the other end is equipped with the thread groove, the thread groove is in same axis and through screw thread and spinning case fixed connection with the screw hole.

Preferably, one side fixedly connected with of fixed block is a plurality of card strips, and is a plurality of the even distribution of card strip is in the fixed block one side of keeping away from the spinning case, and is a plurality of distance between the card strip equals, and is a plurality of the top one end of card strip all is equipped with the arc chamfer.

Preferably, the number of the second springs is two, and the two second springs are uniformly distributed on one side of the inner cavity of the fixed box.

Preferably, the one end of pull rod runs through fixed case and slider fixed connection, the slider is kept away from a plurality of reverse card strips of bottom fixedly connected with of second spring, and is a plurality of the bottom one end of reverse card strip all is equipped with the arc chamfer, and is a plurality of distance between the reverse card equals and equals with the thickness of card strip, and is a plurality of the thickness of reverse card strip equals the distance of two card strips.

Preferably, the bottom end of the inner cavity of the supporting plate is fixedly connected with two elastic retractors, and the two elastic retractors are uniformly distributed at the bottom end of the inner cavity of the supporting plate.

Preferably, two connecting grooves are formed in the bottom surface of the spinneret plate and are uniformly distributed at the bottom end of the spinneret plate, and the inner diameter of each connecting groove is larger than the maximum diameter of the elastic expansion piece.

(III) advantageous effects

Compared with the prior art, the utility model provides a spout a device for melt-blown non-woven fabrics possesses following beneficial effect:

1. this a spout a device for melt-blown non-woven fabrics, cooperation through the inboard horizontal gas pocket of ring channel and filter screen, on the one hand, make the inside solution of filter screen more even by the stirring under the effect of wind power, make the quality of non-woven fabrics obtain improving, on the other hand, will not keep apart through the impurity of spinneret orifice through the filter screen, and make impurity can not block up the filter screen under the effect of wind power, the solution flow that has avoided blockking up the filter screen because of impurity and has leaded to the spinning incasement reduces, the problem of spinneret has to frequently changed because of impurity blocks up the spinneret orifice has been avoided, the life of spinneret has been prolonged, make the processing cost obtain reducing, can spout the solution of spinning incasement portion through the spinneret orifice fast through blowing the silk gas pocket, reduce the remaining solution on the spinneret, do benefit to changing the spinneret.

2. The spinneret device for melt-blown non-woven fabrics, through the matching of the connecting groove at the bottom end of the spinneret plate and the elastic expansion piece, the spinneret plate is fixed in the inner cavity of the supporting plate in a sleeved mode, the spinneret plate is connected with the bottom of the spinneret plate by upwards lifting the supporting plate, the spinneret plate is completely fixed in the supporting plate, meanwhile, the fixed block enters the fixed box, the clamping strip at one side of the fixed block is contacted with the clamping strip at one side of the sliding block in the fixed box, along with the lifting of the supporting plate, under the interaction of the clamping strip and the reverse clamping strip, the second spring is continuously compressed and then restored, the sliding block moves in the fixed box along with the change of the spring until the connection is completed, when the spinneret plate needs to be replaced, the sliding block is pulled to the second spring only through the pull rod, the clamping strip and the reverse clamping strip are separated, the supporting plate can automatically, the supporting plate capable of sliding down is fixed automatically through the sliding rod and the sliding rod groove, the supporting plate sliding spinneret plate does not bear pressure any more, the elastic expansion piece enables the spinneret plate to be bounced, the spinneret plate can be taken down conveniently and placed inside the supporting plate to be replaced, the supporting plate can be fixed to the bottom of the spinning box through the second spring, the sliding block, the fixing block, the sliding rod and the sliding rod groove in a matched mode, the pulling pull rod is pulled, the second spring is compressed to enable the clamping strips to be separated from the reverse clamping strips, the supporting plate and the spinning box are separated, and tools and the structure are.

Drawings

FIG. 1 is a schematic sectional view of the internal structure of the present invention;

FIG. 2 is a schematic sectional view of the spinning box structure of the present invention;

FIG. 3 is a schematic bottom view of the spinning box structure of the present invention;

fig. 4 is a schematic cross-sectional view of the structure shown in fig. 2 according to the present invention.

FIG. 5 is a schematic cross-sectional view of the structure shown at B in FIG. 2 according to the present invention

In the figure: 1. a cavity; 2. a feed inlet; 3. a screw extruder; 4. a melt filter; 5. a gear metering pump; 6. a melt channel; 7. an air compressor; 8. a threaded hole; 9. an air duct; 10. a spinning box; 11. a filter screen; 12. an annular duct; 13. blowing air holes; 14. transverse air holes; 15. a fixing ring; 16. a support plate; 17. an elastic expansion piece; 18. a spring; 19. a slide bar; 20. a fixed block; 21. A slide bar slot; 22. a fixed box; 23. a second spring; 24. a slider; 25. a pull rod; 26. a spinneret plate; 27. and (4) spinneret orifices.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a spinning device for melt-blown non-woven fabrics comprises a cavity 1, a feed inlet 2 is fixedly connected to the top end of the cavity 1, a screw extruder 3 is fixedly connected to the bottom end of the feed inlet 2, a solution filter 4 is fixedly connected to one end of the screw extruder 3, a gear metering pump 5 is fixedly connected to one end of the solution filter 4 away from the screw extruder 3, a solution channel 6 is fixedly connected to the bottom end of the gear metering pump 5, a filter screen 11 is fixedly connected to the bottom end of the solution channel 6, a spinning box 10 is fixedly connected to the outer side of the solution channel 6, an air compressor 7 is fixedly connected to the bottom of the inner cavity of the cavity 1, an air pipeline 9 is fixedly connected to one end of the air compressor 7, the air pipeline 9 penetrates through the spinning box 10 and is fixedly connected to a ring pipeline 12, a filament blowing hole 13 is formed in the bottom end of the ring pipeline 12, and the solution in the spinning, the residual solution on the spinneret plate 26 is reduced, the spinneret plate 26 is convenient to replace, the inner side of the annular pipeline 12 is provided with the transverse air holes 14, through the matching of the transverse air holes 14 on the inner side of the annular pipeline 12 and the filter screen 11, on one hand, the solution in the filter screen 11 is stirred more uniformly under the action of wind force, the quality of non-woven fabrics is improved, on the other hand, impurities which cannot pass through the spinneret holes 27 are isolated through the filter screen 11, and the filter screen 11 cannot be blocked by the impurities under the action of the wind force, the reduction of the solution flow in the spinning box 10 caused by the blockage of the filter screen 11 by the impurities is avoided, the problem that the spinneret plate 26 has to be frequently replaced due to the blockage of the spinneret holes 27 by the impurities is avoided, the service life of the spinneret plate 26 is prolonged, the processing cost is reduced, the top of the inner cavity of the, the corner of the fixing ring 15 is arc-shaped, the middle part of the arc-shaped chamfer is provided with a knob, one end of the fixing ring 15 is welded with the spinning box 10, the other end of the fixing ring 15 is provided with a thread groove, the thread groove and the thread hole 8 are positioned on the same axis and fixedly connected with the spinning box 10 through threads, the outer side of the spinning box 10 is provided with the thread hole 8, the bottom end of the spinning box 10 is fixedly connected with a supporting plate 16, the bottom of the inner cavity of the supporting plate 16 is fixedly connected with an elastic expansion piece 17, the bottom end of the inner cavity of the supporting plate 16 is fixedly connected with two elastic expansion pieces 17, the two elastic expansion pieces 17 are uniformly distributed at the bottom end of the inner cavity of the supporting plate 16, the bottom of the inner cavity of the elastic expansion piece 17 is fixedly connected with a spring 18, one side of the top end of the, the clamping strips are uniformly distributed on one side, far away from the spinning box 10, of the fixing block 20, the distances among the clamping strips are equal, arc-shaped chamfers are arranged at one ends of the tops of the clamping strips, a slide bar groove 21 is fixedly connected to one side of the spinning box 10, a slide bar 19 penetrates through the slide bar groove 21 and is movably connected with the slide bar groove 21, a fixing box 22 is fixedly connected to the other side of the spinning box 10, a second spring 23 is fixedly connected to one end of an inner cavity of the fixing box 22, two second springs 23 are arranged, the two second springs 23 are uniformly distributed on one side of the inner cavity of the fixing box 22, a sliding block 24 is fixedly connected to one end of each second spring 23, one end of each pull rod 25 penetrates through the fixing box 22 and is fixedly connected with the sliding block 24, a plurality of reverse clamping strips are fixedly connected to the bottom end, far away from the second spring 23, of the sliding block 24, arc-shaped chamfers are arranged at one ends of the bottoms, the thickness of a plurality of reverse clamping strips is equal to the distance between two clamping strips, so that the fixed block 20 enters the fixed box 22, the clamping strip on one side of the fixed block 20 is contacted with the clamping strip on one side of a sliding block 24 in the fixed box 22, along with the lifting of the supporting plate 16, under the interaction of the clamping strips and the reverse clamping strips, the second spring 23 is continuously compressed and then restored, the sliding block 24 moves in the fixed box 22 along with the change of the second spring 23 until the connection is completed, the middle part of one side of the sliding block 24, which is close to the second spring 23, is fixedly connected with a pull rod 25, when the spinneret plate 26 needs to be replaced, the sliding block 24 is pulled to the second spring 23 through the pull rod 25, so that the clamping strips and the reverse clamping strips are separated, the supporting plate 16 can automatically slide under the action of gravity after the clamping strips and the reverse clamping strips are separated, the sliding block 19 and the sliding rod groove 21 automatically fix the sliding support, the bottom surface of the spinneret plate 26 is provided with two connecting grooves, the two connecting grooves are uniformly distributed at the bottom end of the spinneret plate 26, the inner diameter of the two connecting grooves is larger than the maximum diameter of the elastic expansion piece 17, the spinneret plate 26 is fixed in the inner cavity of the support plate 16 in a sleeving manner through the matching of the connecting grooves at the bottom end of the spinneret plate 26 and the elastic expansion piece 17, the spinneret plate 26 is connected with the bottom of the spinning box 10 through the upward lifting of the support plate 16, the spinneret plate 26 is completely fixed in the support plate 16, the support plate 16 slides down on the spinneret plate 26 and is not stressed any more, the elastic expansion piece 17 bounces up the spinneret plate 26, the spinneret plate 26 in the support plate 16 is convenient to take down and replace, the support plate 16 can be fixed at the bottom of the spinning box 10 through the matching of the second spring 23, the sliding block 24, the fixed block 20, the sliding rod 19 and, the support plate 16 is separated from the manifold 10, a tool is not required, the structure is simple, and the spinneret 26 has spinneret holes 27 on the surface.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: polypropylene materials, color master batches, additives and the like are added into a cavity 1 through a feeding hole 2, the polypropylene materials are melted through a screw extruder 3 and then are sent into a solution filter 4, impurities in the polypropylene materials, the color master batches and the additives are filtered and mixed and sent into a gear metering pump 5, the flow of a solution is determined through the gear metering pump 5, the quantitative solution enters a filter screen 11 through a solution channel 6, compressed air is sent into an annular pipeline 12 through an air pipeline 9 through an air compressor 7 and is blown to the solution through a transverse air hole 14 on the inner side of the annular pipeline 12, the solution rolls in the filter screen 11 under the action of wind force, the solution is mixed more uniformly and then flows to a spinning box 10, the impurities which cannot pass through the filter screen 11 in the solution continuously roll in the filter screen 11 under the action of wind force, the filter screen 11 is blocked by impurities, the flow of a solution is influenced, the solution in the spinning box 10 can be quickly sprayed out through the spinneret orifice 27 through the filament blowing air hole 13, the residual solution on the spinneret plate 26 is reduced, the spinneret plate 26 is favorably replaced, the top of the inner cavity of the spinning box 10 is fixedly connected with a fixing ring 15, a thread groove at the bottom end of the fixing ring 15 is coaxial with a thread hole 8 on the side surface of the spinning box 10 through a knob at the middle part of the fixing ring 15, then the fixing ring 15 is fixed with the spinning box 10 through a screw rod, the support plate 16 is slidably connected to the outer side of the spinning box 10 through the matching of a slide rod 19 and a slide rod groove 21, the support plate 16 is rotated through the rotary slide rod 19, the support plate 16 is rotated to a position convenient for dismounting and mounting the spinneret plate 26, the spinneret plate 26 is sleeved with the support plate 16 through, the top of the spinneret plate 26 is connected with the bottom of the spinning box 10, the fixed block 20 is lifted to the inside of the fixed box 22, as the support plate 16 rises, the clamping strip on one side of the fixed block 20 and the clamping strip on one side of the slide block 24 start to contact, the clamping strip and the reverse clamping strip start to be clamped with each other under the action of thrust, the second spring 23 continuously stretches or recovers along with the clamping process of the clamping strip and the reverse clamping strip until all the clamping strips and the reverse clamping strip finish clamping, after the clamping of the clamping strip on one side of the fixed block 20 and the reverse clamping strip on one side of the slide block 24 is finished, the connection of the support plate 16 and the spinning box 10 is finished, as the connection of the support plate 16 and the spinning box 10 is finished, the spinneret plate 26 compresses the elastic expansion piece 17 to the bottom, so that the bottom of the spinneret plate 26 is connected with the support plate 16, the pull rod 25 is pulled, the second spring 23 contracts, the supporting plate 16 is separated from the spinning manifold 10, the pressure on the spinneret plate 26 is no longer applied to the spinning manifold 10 after the supporting plate 16 is separated from the spinning manifold 10, the pressure on the elastic expansion piece 17 is reduced, the elastic expansion piece 17 is restored, and a part of the spinneret plate 26 is ejected out of the supporting plate 16, so that the spinneret plate 26 can be conveniently detached and replaced.

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

Claims

1. A spinneret device for melt-blown non-woven fabrics, comprising a cavity (1), characterized in that: the top end of the cavity (1) is fixedly connected with the feed inlet (2), the bottom end of the feed inlet (2) is fixedly connected with the screw extruder (3), one end of the screw extruder (3) is fixedly connected with the melt filter (4), one end of the melt filter (4) far away from the screw extruder (3) is fixedly connected with the gear metering pump (5), the bottom end of the gear metering pump (5) is fixedly connected with the melt channel (6), the bottom end of the melt channel (6) is fixedly connected with the filter screen (11), the outer side of the melt channel (6) is fixedly connected with the spinning box (10), the bottom of the inner cavity of the cavity (1) is fixedly connected with the air compressor (7), one end of the air compressor (7) is fixedly connected with the air pipeline (9), and the air pipeline (9) runs through the spinning box (10) and is fixedly connected with the annular pipeline (12), the bottom end of the annular pipeline (12) is provided with a yarn blowing air hole (13), the inner side of the annular pipeline (12) is provided with a transverse air hole (14), the top of an inner cavity of the spinning box (10) is connected with a fixing ring (15), the outer side of the spinning box (10) is provided with a threaded hole (8), the bottom end of the spinning box (10) is fixedly connected with a supporting plate (16), the bottom of the inner cavity of the supporting plate (16) is fixedly connected with an elastic expansion piece (17), the bottom of the inner cavity of the elastic expansion piece (17) is fixedly connected with a spring (18), one side of the top end of the supporting plate (16) is fixedly connected with a sliding rod (19), the other side of the top end of the supporting plate (16) is fixedly connected with a fixing block (20), one side of the spinning box (10) is fixedly connected with a sliding rod groove (21), and the sliding rod (, the spinning box is characterized in that a fixed box (22) is fixedly connected to the other side of the spinning box (10), a second spring (23) is fixedly connected to one end of an inner cavity of the fixed box (22), a sliding block (24) is fixedly connected to one end of the second spring (23), a pull rod (25) is fixedly connected to the middle of one side, close to the second spring (23), of the sliding block (24), a spinning plate (26) is movably connected to the inner cavity of the supporting plate (16), and spinning holes (27) are formed in the surface of the spinning plate (26).

2. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: the appearance of solid fixed ring (15) is L shape, the turning appearance of solid fixed ring (15) is the arc, and the middle part of arc chamfer is equipped with the knob, the one end and spinning case (10) welding of solid fixed ring (15), the other end of solid fixed ring (15) is equipped with the thread groove, the thread groove is in same axis and through screw thread and spinning case (10) fixed connection with screw hole (8).

3. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: one side fixedly connected with of fixed block (20) is a plurality of card strips, and is a plurality of the even distribution of card strip is kept away from one side of spinning case (10) in fixed block (20), and is a plurality of distance between the card strip equals, and is a plurality of the top one end of card strip all is equipped with the arc chamfer.

4. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: the number of the second springs (23) is two, and the two second springs (23) are uniformly distributed on one side of the inner cavity of the fixed box (22).

5. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: the one end of pull rod (25) runs through fixed case (22) and slider (24) fixed connection, a plurality of reverse card strips of bottom fixedly connected with that second spring (23) was kept away from in slider (24), and is a plurality of bottom one end of reverse card strip all is equipped with the arc chamfer, and is a plurality of distance between the reverse card equals and equals with the thickness of card strip, and is a plurality of the thickness of reverse card strip equals the distance of two card strips.

6. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: the bottom end of the inner cavity of the supporting plate (16) is fixedly connected with two elastic retractors (17), and the two elastic retractors (17) are uniformly distributed at the bottom end of the inner cavity of the supporting plate (16).

7. The filament spraying apparatus for melt-blown nonwoven fabrics according to claim 1, wherein: two connecting grooves are formed in the bottom surface of the spinneret plate (26), the two connecting grooves are evenly distributed at the bottom end of the spinneret plate (26), and the inner diameter of the two connecting grooves is larger than the maximum diameter of the elastic expansion piece (17).