CN111979646A

CN111979646A - A needling equipment for non-woven fabrics

Info

Publication number: CN111979646A
Application number: CN202010899322.XA
Authority: CN
Inventors: 周毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-11-24

Abstract

The invention discloses needling equipment for non-woven fabrics, which belongs to the technical field of non-woven fabric production equipment and comprises a rack body, a needling device, a driving part, a feeding component and a discharging component, wherein the rack body comprises a movable upper plate body and a fixed lower plate body, a resetting mechanism is arranged between the movable upper plate body and the fixed lower plate body, the needling component is arranged at the bottom of the movable upper plate body, the needling device comprises a needling mounting plate, a felting needle and a back-hooking prevention component, and when a needle is broken, the needling mounting plate at the position is taken down, the piercing rate of feeding and discharging is reduced in a matching manner, and the equipment does not need to be stopped; through setting up elastic component, elastic component pushes down when the puncture and covers the clamp plate to enclosing in the frame, keeps non woven fabric tension, and the felting needle of being convenient for more punctures, and elastic component forms a dust absorption passageway with covering the clamp plate combination, accomplishes the debris absorption to the non woven fabric surface carrying out the puncture in-process.

Description

A needling equipment for non-woven fabrics

Technical Field

The invention relates to the technical field of non-woven fabric production equipment, in particular to needling equipment for non-woven fabric.

Background

The needle-punched non-woven fabric is one of dry non-woven fabrics, short fibers are loosened, carded and paved into a fiber net, and then the fiber net is reinforced into the fabric through needles;

the felting needles have the barbs, the fiber net is repeatedly pierced, the fibers of the hook belts are reinforced to form the needled non-woven fabric, the non-woven fabric has no warp and weft, the fibers of the finished fabric are disordered, and the performance difference of the warp direction and the weft direction is small. The needle of the needle machine can strengthen and clamp the fluffy fiber web to obtain strong force.

The web is repeatedly punctured with barbed needles on the edges of a triangular (or other) cross-section. The barbs force the surface and localized inner fibers of the web into the interior of the web as they pass through the web. The original lofty web is compressed due to the friction between the fibers. As the needles exit the web, the penetrated fiber bundles disengage the barbs and remain in the web, and many of the fiber bundles become entangled in the web and can no longer return to their original lofted condition. After a number of needle-punching passes, a significant number of fiber bundles are inserted into the web, entangling the fibers with each other in the web, and forming a needle-punched nonwoven material having a certain strength and thickness.

Weaving the feed volume of in-process faller amplitude adjustment felting needle, the stability of needling equipment in carrying out the needling in-process is not good and causes the influence to this type of weaving mode, and the broken needle condition that the needling appears often need to keep in repair true equipment pause, the fabric leads to tension not enough because of the interlude of needling when the needling, and the easy on-hook strip when extracting of puncture in-process non-woven fabrics, need set up the fixed structure of suppressing, and the puncture in-process, the fabric surface can fly out a large amount of small pieces, need carry out timely processing.

Based on this, the present invention has devised a needling apparatus for nonwoven fabrics to solve the above-mentioned problems.

Disclosure of Invention

The object of the present invention is to provide a needling apparatus for nonwoven fabrics that solves the problems set forth in the background art described above.

In order to achieve the purpose, the invention provides the following technical scheme: the needle punching equipment for the non-woven fabric comprises a frame body, a needle punching device, a driving part, a feeding assembly and a discharging assembly, wherein the feeding assembly and the discharging assembly are respectively arranged on two sides of the frame body and are used for conveying and transferring the non-woven fabric; the rack body comprises a movable upper plate body, a fixed lower plate body and a top crossing support, the top crossing support is arranged at the top of the fixed lower plate body, two ends of the bottom of the top crossing support are welded at two sides of the fixed lower plate body, the driving part is arranged on the top crossing support and drives the movable upper plate body up and down in a reciprocating manner, and a reset mechanism is arranged between the movable upper plate body and the fixed lower plate body; the needling device comprises needling mounting plates, felting needles and back-hooking prevention components, wherein a plurality of needling mounting plates are arranged on the movable upper plate body in an arrayed manner, the back-hooking prevention components are arranged between two adjacent felting needle mounting plates, the non-woven fabric is pressed in a covering manner, and the back-hooking prevention is carried out after the non-woven fabric is needled; the anti-back-hooking component comprises a covering pressing plate, a surrounding frame and an elastic component, the elastic component is used for buffering the covering pressing plate, and the elastic component and the covering pressing plate are combined to form a dust absorption channel to absorb floating sundries on the surface of the non-woven fabric.

The driving part comprises a double-end motor, a first belt wheel is installed on the output ends of the two sides of the double-end motor, the top of the first belt wheel stretches over the support and is connected with the rotating shaft in a rotating mode, the rotating shaft extends towards the two sides, eccentric cams are installed at the two ends of the rotating shaft, a second belt wheel is installed on the rotating shaft in a sleeved mode, and power is transmitted between the first belt wheel and the second belt wheel through a belt.

The movable upper plate body is provided with a wear-resistant steel plate, the wear-resistant steel plate is arranged at the position of the eccentric cam, the top of the wear-resistant steel plate is provided with an oil collecting tank filled with lubricating oil, and the eccentric cam is abutted to the oil collecting tank.

The movable upper plate body is characterized in that sunken grooves are formed in two sides of the top of the movable upper plate body, the reset mechanism comprises a reset spring, a sliding rod and a limiting part, the limiting part is fixedly installed in each sunken groove, a rod sleeve is welded to the outer end of the limiting part integrally, protruding parts are arranged on two sides of the fixed lower plate body integrally, the sliding rod is fixedly installed on each protruding part, the rod sleeve is sleeved on the outer side of the sliding rod in a sliding mode, the reset spring is installed between the rod sleeve and the protruding parts, the reset spring is sleeved on the outer side of the sliding rod, a thread fixing and anti-dislocation cap is installed at the top of the sliding rod, and the limiting part is fixedly installed in.

The feeding assembly and the discharging assembly are identical in structure and comprise a feeding roller I and a feeding roller II which are arranged on the support in an up-down parallel mode, and the conveying height of the feeding roller I and the conveying height of the feeding roller II are equal to the height of the surrounding frame.

The bottom of the movable upper plate body is positioned between two adjacent pricking pin mounting plates and is provided with a plurality of built-in grooves, and the elastic components are fixedly mounted in the built-in grooves at equal intervals.

The elastic component comprises a support column, an outer sleeve and a buffer spring, the support column is inserted into the outer sleeve and is in sliding connection, a sealing ring is embedded in the sliding joint of the outer end of the outer sleeve and the support column, and the buffer spring is sleeved outside the outer sleeve and is abutted to the upper end and the lower end of the outer sleeve and is placed between the movable upper plate body and the covering plate.

Two rows of suction ports are formed in the bottom of the covering plate, the insides of the covering plate, the supporting columns and the outer sleeve are hollow, recovery pipes transversely penetrate through the movable upper plate body and the supporting columns, and the recovery pipes are communicated with the supporting columns respectively.

The dust collection channel consists of a support column, an outer sleeve and a recovery pipe, and the tail end of the recovery pipe is connected to the suction end of an externally arranged dust collector.

The covering and pressing plate can be clamped into the enclosure frame, and a gap of 1-2cm for placing the non-woven fabric is reserved between one side of the covering and pressing plate and the enclosure frame.

Compared with the prior art, the invention has the beneficial effects that: the feeding and discharging speed of the non-woven fabric is adjusted through the arrangement of the feeding component and the discharging component, and the density of puncture can be adjusted by controlling the feeding and discharging speed;

according to the invention, the double-head motor drives the two eccentric cams to rotate, the movable upper plate body is reciprocated up and down by matching with the reset spring, the eccentric cams are contacted with the wear-resistant steel plate to reduce abrasion, the acupuncture mounting plate and the puncture needle are punctured up and down along with the movable upper plate body, when the needle is broken, the acupuncture mounting plate at the position is taken down, the puncturing speed of feeding and discharging is reduced by matching, and the equipment does not need to be stopped;

according to the invention, the elastic component is arranged, the covering pressing plate is pressed into the surrounding frame downwards during puncture, the tension of the non-woven fabric is kept, the puncture needle can be more conveniently punctured, and when the puncture needle is pulled out, the covering pressing plate continuously presses the non-woven fabric, so that the non-woven fabric is prevented from being taken out upwards by the puncture needle, and the puncture needle and the non-woven fabric can be completely separated;

the elastic component and the pressing plate are combined to form a dust collection channel, so that sundries on the surface of the non-woven fabric are absorbed in the process of puncturing, and micro fabric scraps pulled and hooked after puncturing are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front perspective view of the present invention;

fig. 3 is a partially broken-away bottom view of the present invention.

Fig. 4 is a partial enlarged view of the driving part of the present invention.

Fig. 5 is an enlarged view of a portion of the reset mechanism of the present invention.

FIG. 6 is an enlarged view of a portion A of the present invention.

Fig. 7 is a partially broken view of the movable upper plate and the fixed lower plate according to the present invention.

Fig. 8 is a partially broken-away view of the movable upper plate and the fixed lower plate of the present invention.

FIG. 9 is a cross-sectional view of the suction channel of the present invention.

FIG. 10 is an enlarged view of a portion B of the present invention. In the drawings, the components represented by the respective reference numerals are listed below:

1-a frame body, 101-a movable upper plate body, 102-a fixed lower plate body, 103-a top cross support, 104-an internal groove, 105-a convex part, 106-a sinking groove, 2-a needling device, 3-a driving part, 4-a feeding component, 5-a discharging component, 6-a feeding roller I, 7-a feeding roller II, 8-a double-head motor, 9-a belt wheel I, 10-a belt, 11-a belt wheel II, 12-an eccentric cam, 13-a rotating shaft, 14-a wear-resistant steel plate, 15-a reset spring, 16-a sliding rod, 17-a limiting component, 18-a dislocation cap, 19-a felting needle mounting plate, 20-a felting needle, 21-an anti-back hooking component, 22-a covering plate, 23-a surrounding frame and 24-an elastic component, 25-recovery tube, 26-outer sleeve, 27-support column, 28-buffer spring, 29-sealing ring and 30-dust suction channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that:

as shown in fig. 1-2, a needling equipment for non-woven fabrics comprises a frame body 1, a needling device 2, a driving part 3, a feeding component 4 and a discharging component 5, wherein the feeding component 4 and the discharging component 5 are respectively arranged at two sides of the frame body 1 and used for conveying and transferring non-woven fabrics, the feeding component 4 and the discharging component 5 have the same structure and comprise two components which are arranged on a bracket in parallel up and down. As shown in fig. 3 and 4, the frame body 1 includes a movable upper plate 101, a fixed lower plate 102, a top cross support 103, the top cross support 103 is disposed on the top of the fixed lower plate 102, two ends of the bottom of the top cross support 103 are welded on two sides of the fixed lower plate 102, a driving part 3 is mounted on the top cross support 103, the movable upper plate 101 is driven up and down in a reciprocating manner, the driving part 3 includes a double-end motor 8, a first belt wheel 9 is mounted on output ends of two sides of the double-end motor 8, the top cross support 103 and is rotatably connected with a rotating shaft 13, the rotating shaft 13 extends towards two sides, an eccentric cam 12 is mounted at two ends of the rotating shaft 13, a second belt wheel 11 is further sleeved on the rotating shaft 13, and power transmission is performed between the first belt wheel 9 and the second.

As shown in fig. 5, a reset mechanism is installed between the movable upper board body 101 and the fixed lower board body 102, two sides of the top of the movable upper board body 101 are provided with a sunken groove 106, the reset mechanism includes a reset spring 15, a sliding rod 16 and a limit piece 17, the limit piece 17 is fixedly installed in the sunken groove 106, a rod sleeve is integrally welded at the outer end of the limit piece 17, two sides of the fixed lower board body 102 are integrally provided with a protruding portion 105, the sliding rod 16 is fixedly installed on the protruding portion 105, the rod sleeve is slidably sleeved on the outer side of the sliding rod 16, the reset spring 15 is installed between the rod sleeve and the protruding portion 105, the reset spring 15 is sleeved on the outer side of the sliding rod 16, a top thread of the sliding rod 16 is fixedly installed with a dislocation-preventing cap 18, and the. As shown in fig. 6, the needling component 2 is installed at the bottom of the movable upper plate 101, the needling device 2 includes a plurality of needling mounting plates 19, needles 20 and back-hooking prevention components 21, the needling mounting plates 19 are arranged on the movable upper plate 101, the back-hooking prevention components 21 are arranged between two adjacent needle mounting plates 19, and cover and press the non-woven fabric, and the non-woven fabric is prevented from hooking after being needled. As shown in fig. 7 and 8, the anti-hooking component 21 includes a covering plate 22, a surrounding frame 23 and an elastic component 24, the elastic component 24 buffers the covering plate 22, the covering plate 22 can be clamped into the surrounding frame 23, a 1-2cm gap for placing the non-woven fabric is left between one side of the covering plate 22 and the surrounding frame 23, and the conveying height of the first feeding roller 6 and the second feeding roller 7 is equal to the height of the surrounding frame 23.

As shown in fig. 9 and 10, an inner groove 104 is formed in the bottom of the movable upper plate 101 between two adjacent lancet mounting plates 19, a plurality of elastic assemblies 24 are arranged, and the elastic assemblies 24 are fixedly mounted in the inner groove 104 at equal intervals; the elastic assembly 24 includes a supporting column 27, an outer sleeve 26 and a buffer spring 28, the supporting column 27 is inserted into the outer sleeve 26 for sliding connection, and a sealing ring 29 is embedded in a sliding joint between the outer end of the outer sleeve 26 and the supporting column 27, the sealing ring 29 increases air tightness, and the buffer spring 28 is prevented from being sleeved outside the outer sleeve 26 and the upper and lower ends of the buffer spring are abutted between the movable upper plate 101 and the pressing plate 22.

The elastic component 24 and the covering plate 22 are combined to form a dust suction channel 30 for absorbing floating sundries on the surface of the non-woven fabric, two rows of suction ports 21 are formed in the bottom of the covering plate 22, the supporting columns 27 and the outer sleeves 26 are hollow, the positions of the movable upper plate body 101 and the supporting columns 27 transversely penetrate through the arranged recovery pipes 25, and the recovery pipes 25 are respectively communicated with the supporting columns 27; the suction passage 30 is composed of a support column 27, an outer sleeve 26, and a recovery pipe 25, and the tip of the recovery pipe 25 is connected to the suction end of the externally provided cleaner.

The working mode is as follows: when in use, the non-woven fabric is placed between the movable upper plate body 101 and the fixed lower plate body 102 of the frame body 1, the feeding component 4 and the discharging component 5 transfer the non-woven fabric, the first feeding roller 6 and the second feeding roller 7 rotate in the same direction, the non-woven fabric is clamped and transmitted, when needling is carried out, the double-head motor 8 drives the first belt wheel 9 and the second belt wheel 11 to rotate, the second belt wheel 11 drives the eccentric cam 12 to rotate when rotating, the eccentric cam 12 pushes the movable upper plate body 101, the movable upper plate body 101 is vibrated up and down in a reciprocating manner under the action of the return spring 15, the needling mounting plate 19 and the felting needles 20 at the bottom of the movable upper plate body 101 are rapidly moved up and down, the nonwoven fabric is needled, and the web is repeatedly needled with barbed needles on the triangular (or other) cross-sectional edges, forcing the fibers of the surface and local inner layers of the web into the interior of the web as the barbs penetrate the web. The original lofty web is compressed due to the friction between the fibers. As the needles exit the web, the penetrated fiber bundles disengage the barbs and remain in the web, and many of the fiber bundles become entangled in the web and can no longer return to their original lofted condition. After a number of needle-punching passes, a significant number of fiber bundles are inserted into the web, entangling the fibers with each other in the web, and forming a needle-punched nonwoven material having a certain strength and thickness.

When the covering plate 22 of the back-hooking prevention assembly 21 is pushed into the surrounding frame 23, the non-woven fabric is straightened, so that the needle punching operation of the needle is facilitated, and when the needle moves upwards to carry out back hooking, the non-woven fabric keeps covering pressure on the non-woven fabric before the needle leaves the surface of the non-woven fabric under the action of the buffer spring 28, so that the needle 20 is prevented from being adhered to the non-woven fabric;

the elastic component 24 and the pressing plate 22 are combined to form a dust absorption channel 30, floating sundries on the surface of the non-woven fabric are absorbed, and the surface of the non-woven fabric is subjected to real-time impurity absorption in the process of the needling process, so that tiny fabric scraps pulled and hooked after the puncture process are reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a acupuncture equipment for non-woven fabrics, includes rack body (1), acupuncture device (2), drive assembly (3), feeding subassembly (4) and ejection of compact subassembly (5), its characterized in that: the feeding assembly (4) and the discharging assembly (5) are respectively arranged on two sides of the frame body (1) and used for conveying and transferring the non-woven fabrics; the rack body (1) comprises a movable upper plate body (101), a fixed lower plate body (102) and a top crossing support (103), wherein the top crossing support (103) is arranged at the top of the fixed lower plate body (102), two ends of the bottom of the top crossing support (103) are welded at two sides of the fixed lower plate body (102), the driving part (3) is arranged on the top crossing support (103) and drives the movable upper plate body (101) up and down in a reciprocating manner, and a reset mechanism is arranged between the movable upper plate body (101) and the fixed lower plate body (102); the needling device comprises a plurality of needling mounting plates (19), needles (20) and a back hooking prevention assembly (21), wherein the needling mounting plates (19) are arranged on the movable upper plate body (101), the back hooking prevention assemblies (21) are arranged between two adjacent needle mounting plates (19), the non-woven fabric is pressed and prevented from hooking after being needled; prevent returning and collude subassembly (21) including covering clamp plate (22), enclose frame (23) and elastic component (24), elastic component (24) are to covering clamp plate (22) buffering, and elastic component (24) and cover clamp plate (22) combination and form a dust absorption passageway (30), absorb to floating debris on the non-woven fabrics surface.

2. A needling apparatus for non-woven fabrics, according to claim 1, characterized in that: drive unit (3) include double-end motor (8), install band pulley (9) on the both sides output of double-end motor (8), the top spanes and rotates on support (103) and connects pivot (13), pivot (13) extend to both sides, and the both ends installation eccentric cam (12) of pivot (13), it establishes installation band pulley two (11) still to overlap in pivot (13), carry out power transmission through belt (10) between band pulley (9) and band pulley two (11).

3. A needling apparatus for non-woven fabrics, according to claim 2, characterized in that: the movable upper plate body (101) is provided with a wear-resistant steel plate (14), the wear-resistant steel plate (14) is arranged at the position of the eccentric cam (12), the top of the wear-resistant steel plate (14) is provided with an oil collecting tank filled with lubricating oil, and the eccentric cam (12) is abutted to the oil collecting tank.

4. A needling apparatus for non-woven fabrics, according to claim 1, characterized in that: sunken groove (106) have been seted up to activity upper plate body (101) top both sides, canceling release mechanical system includes reset spring (15), slide bar (16) and locating part (17), fixed mounting locating part (17) in sunken groove (106), the integrative welding rod cover of outer tip of locating part (17), the integrative bulge (105) that sets up in both sides of fixed lower plate body (102), fixed mounting slide bar (16) are gone up in bulge (105), the rod cover slides and cup joints in the outside of slide bar (16), installation reset spring (15) between rod cover and bulge (105), and reset spring (15) cover establishes the outside at slide bar (16), the top screw thread fixed mounting dislocation cap (18) of slide bar (16), locating part (17) are through bolt spare fixed mounting in sunken groove (106) down.

5. A needling apparatus for non-woven fabrics, according to claim 1, characterized in that: the feeding assembly (4) and the discharging assembly (5) are identical in structure and comprise a first feeding roller (6) and a second feeding roller (7) which are arranged on the support in an up-down parallel mode, and the conveying height of the first feeding roller and the second feeding roller is equal to the height of the surrounding frame (23).

6. A needling apparatus for non-woven fabrics, according to claim 1, characterized in that: the bottom of the movable upper plate body (101) is positioned between two adjacent needle mounting plates (19) and is provided with a built-in groove (104), the elastic assemblies (24) are arranged in a plurality, and the elastic assemblies (24) are fixedly arranged in the built-in groove (104) at equal intervals.

7. A needling apparatus for non-woven fabrics, according to claim 6, characterized in that: elastic component (24) are including support column (27), outer sleeve (26) and buffer spring (28), sliding connection in outer sleeve (26) is inserted in support column (27), and the embedded installation sealing ring (29) of sliding joint department of the outer end of outer sleeve (26) and support column (27), buffer spring (28) cover is established in the outer sleeve (26) outside and upper and lower end and is supported and put in the activity between plate body (101) and cover clamp plate (22).

8. A needling apparatus for non-woven fabrics, according to claim 7, characterized in that: two rows of suction ports (21) are formed in the bottom of the pressing plate (22), the insides of the pressing plate (22), the supporting columns (27) and the outer sleeves (26) are hollow, the positions of the movable upper plate body (101) and the supporting columns (27) transversely penetrate through the arranged recovery pipes (25), and the recovery pipes (25) are respectively communicated with the supporting columns (27).

9. A needling apparatus for non-woven fabrics, according to claim 8, characterized in that: the dust suction channel (30) consists of a support column (27), an outer sleeve (26) and a recovery pipe (25), and the tail end of the recovery pipe (25) is connected to the suction end of an externally arranged dust collector.

10. A needling apparatus for non-woven fabrics, according to claim 1, characterized in that: the covering and pressing plate (22) can be clamped into the enclosing frame (23), and a gap of 1-2cm for placing the non-woven fabric is reserved between one side of the covering and pressing plate (22) and the enclosing frame (23).