阅读说明：本技术 一种复合无纺布加工工艺 (Composite non-woven fabric processing technology ) 是由 许玉梅 于 2021-09-30 设计创作，主要内容包括：本发明涉及无纺布领域,特别是一种复合无纺布加工工艺,便于制备连续的无纺布,制备效率高；该工艺包括以下步骤：包括以下步骤：Ⅰ、将复合纤维原料混入水中,得到纤维悬浮浆；Ⅱ、再将纤维悬浮浆导入成布装置,得到连续的无纺布；Ⅲ、将无纺布卷起,储存；所述成布装置包括网带、浆料箱和导向辊,多个导向辊均横向转动在浆料箱内,多个导向辊通过网带传动连接；所述浆料箱的内壁对称设有两个倒置的三角侧板,两个三角侧板的下边沿顶紧网带的两端。(The invention relates to the field of non-woven fabrics, in particular to a composite non-woven fabric processing technology which is convenient for preparing continuous non-woven fabrics and has high preparation efficiency; the process comprises the following steps: the method comprises the following steps: i, mixing a composite fiber raw material into water to obtain fiber suspension pulp; II, guiding the fiber suspension slurry into a cloth forming device to obtain continuous non-woven fabrics; III, rolling up the non-woven fabric and storing; the cloth forming device comprises a mesh belt, a slurry box and guide rollers, wherein the guide rollers transversely rotate in the slurry box and are connected through mesh belt transmission; two inverted triangular side plates are symmetrically arranged on the inner wall of the slurry box, and the lower edges of the two triangular side plates tightly push against the two ends of the mesh belt.)

1. A processing technology of composite non-woven fabric is characterized in that: the method comprises the following steps:

i, mixing a composite fiber raw material into water to obtain fiber suspension pulp;

II, guiding the fiber suspension slurry into a cloth forming device to obtain continuous non-woven fabrics;

III, rolling up the non-woven fabric and storing.

2. The composite non-woven fabric processing technology according to claim 1, characterized in that: the cloth forming device comprises a mesh belt (100), a slurry box (101) and guide rollers (102), wherein the plurality of guide rollers (102) are rotated in the slurry box (101), and the plurality of guide rollers (102) are in transmission connection through the mesh belt (100).

3. The composite non-woven fabric processing technology according to claim 2, characterized in that: two inverted triangular side plates (103) are symmetrically arranged on the inner wall of the slurry box (101), and the lower edges of the two triangular side plates (103) tightly push the two ends of the mesh belt (100).

4. The composite non-woven fabric processing technology according to claim 3, characterized in that: become cloth device still includes mounting panel (104), guide box (201), guide mouth (202), side sliding frame (203) and mount pad (207), the lower extreme of guide box (201) is equipped with guide mouth (202), the both ends of guide box (201) all are fixed with side sliding frame (203), two side sliding frame (203) sliding connection respectively are on slurry box (101) lateral wall of two triangle curb plate (103) tops, be fixed with mounting panel (104) on slurry box (101), be connected with mount pad (207) on mounting panel (104), be equipped with the telescopic link between mount pad (207) and guide box (201).

5. The composite non-woven fabric processing technology according to claim 4, characterized in that: the cloth forming device further comprises stirring side plates (301) and stirring rods (302), the two sides inside the material guide box (201) are symmetrically rotated to form the two stirring side plates (301), a plurality of stirring rods (302) are uniformly arranged between the two stirring side plates (301), and the two stirring side plates (301) are respectively connected with the rack meshing transmission arranged at the upper ends of the two triangular side plates (103).

6. The composite non-woven fabric processing technology according to claim 4, characterized in that: the cloth forming device further comprises a transmission rack (205), a stirring shaft (303) and stirring rollers (304), the stirring rollers (304) are arranged on the stirring shaft (303) in a circumferential rotating mode, the two ends of the stirring shaft (303) penetrate through and rotate at the lower ends of the two triangular side plates (103) respectively, the transmission rack (205) is fixed at the lower ends of the two side sliding frames (203), and the two transmission racks (205) are meshed with the two ends of the stirring shaft (303) in a transmission mode respectively.

7. The composite non-woven fabric processing technology according to claim 4, characterized in that: the cloth forming device further comprises an adjusting screw rod (206), and the adjusting screw rod (206) rotates on the mounting plate (104) and is in threaded connection with the mounting base (207).

8. The composite non-woven fabric processing technology according to claim 7, characterized in that: the cloth forming device further comprises limiting racks (204), limiting mechanisms, linkage plates (403) and reinforcing mechanisms, the limiting racks (204) are fixed on the two side sliding frames (203), the limiting mechanisms are connected on the two limiting racks (204), the reinforcing mechanisms are two, the two reinforcing mechanisms are symmetrically connected in the slurry tank (101) in a sliding mode and located on two sides of the mesh belt (100), the linkage plates (403) are rotated at two ends of the two reinforcing mechanisms, and the two linkage plates (403) located on the same side are connected with the limiting mechanisms located on the corresponding sides in a rotating mode.

9. The composite non-woven fabric processing technology according to claim 8, characterized in that: the reinforcing mechanism comprises a clamping block (401) and a sliding frame (402), two ends of the sliding frame (402) respectively slide on side plates of the material guide box (201), the clamping block (401) slides in the sliding frame (402), a spring is arranged between the clamping block (401) and the sliding frame (402), and two ends of the sliding frame (402) are respectively provided with a linkage plate (403) in a rotating mode.

10. The composite non-woven fabric processing technology according to claim 3, characterized in that: and a scraping mechanism for scraping the fiber raw materials on the mesh belt (100) is connected in the slurry box (101).

Technical Field

The invention relates to the field of non-woven fabrics, in particular to a processing technology of a composite non-woven fabric.

Background

Nonwoven fabrics, also known as non-woven fabrics, needle punched cotton, and the like, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene fiber is produced by adopting polypropylene granules as raw materials through a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling. When the non-woven fabric is prepared, the existing equipment is inconvenient to prepare continuous non-woven fabric, and the preparation efficiency is low.

Disclosure of Invention

The invention aims to provide a processing technology of composite non-woven fabric, which is convenient for preparing continuous non-woven fabric and has high preparation efficiency.

A composite non-woven fabric processing technology comprises the following steps:

i, mixing a composite fiber raw material into water to obtain fiber suspension pulp;

II, guiding the fiber suspension slurry into a cloth forming device to obtain continuous non-woven fabrics;

III, rolling up the non-woven fabric and storing.

The cloth forming device comprises a mesh belt, a slurry box and guide rollers, wherein the guide rollers transversely rotate in the slurry box, and the guide rollers are connected through mesh belt transmission.

Two inverted triangular side plates are symmetrically arranged on the inner wall of the slurry box, and the lower edges of the two triangular side plates tightly push against the two ends of the mesh belt.

The cloth forming device further comprises a mounting plate, a material guide box, a material guide port, a side sliding frame and a mounting seat, wherein the material guide port is arranged at the lower end of the material guide box, the two ends of the material guide box are respectively provided with the side sliding frame, the two side sliding frames are respectively in sliding connection with the side walls of the slurry box above the two triangular side plates, the mounting plate is arranged on the slurry box, the mounting seat is connected onto the mounting plate, and a telescopic rod is arranged between the mounting seat and the material guide box.

Drawings

FIG. 1 is a flow chart of a process for making a composite nonwoven fabric;

FIG. 2 is a schematic structural view of a cloth forming apparatus;

FIG. 3 is a schematic cross-sectional view of a cloth forming apparatus;

FIG. 4 is a schematic diagram of the structure of a slurry tank;

FIG. 5 is a schematic illustration of an embodiment for allowing a uniform pouring of a fiber suspension slurry onto a mesh belt;

FIG. 6 is a schematic view of an embodiment of agitation of the fiber suspension in the guide box;

FIG. 7 is a schematic view of the structure of the guide box;

FIG. 8 is a schematic structural view of a stirring side plate;

FIG. 9 is a schematic view of the structure of the stirring shaft;

FIG. 10 is a schematic view of the adjustment screw;

FIG. 11 is a schematic illustration of an embodiment of reinforcing a continuous fiber feedstock;

FIG. 12 is a schematic illustration of the drive relationship for consolidating a continuous fiber feedstock;

FIG. 13 is a schematic structural view of a reinforcement mechanism;

FIG. 14 is a schematic structural view of a spacing mechanism;

FIG. 15 is a cross-sectional schematic view of the spacing mechanism;

FIG. 16 is a schematic view of an embodiment of a scraping mechanism;

fig. 17 is a schematic structural view of the scraping mechanism.

In the figure: a mesh belt 100; a slurry tank 101; a guide roller 102; a triangular side plate 103; a mounting plate 104;

a material guiding box 201; a material guide port 202; a side carriage 203; a limit rack 204; a drive rack 205; an adjusting screw 206; a mount 207;

a stirring side plate 301; a stirring rod 302; a stirring shaft 303; a stirring roller 304;

a clamping block 401; a sliding frame 402; a linkage plate 403; a spacing bracket 404; a limit gear shaping 405; a fixed spring 406; a tab 407;

a rotating roller 501; a squeegee 502; a mandrel 503; a swivel arm 504; a knock-up roller 505; a bevel ring 506; a transmission conical shaft 507; the worm 508 is adjusted.

Detailed Description

As shown in fig. 1:

a composite non-woven fabric processing technology comprises the following steps:

i, mixing a composite fiber raw material into water to obtain fiber suspension pulp;

II, guiding the fiber suspension slurry into a cloth forming device to obtain continuous non-woven fabrics;

III, rolling up the non-woven fabric and storing.

As shown in fig. 2-3:

the cloth forming device comprises a mesh belt 100, a slurry box 101 and guide rollers 102, wherein a plurality of guide rollers 102 transversely rotate in the slurry box 101, and the guide rollers 102 are in transmission connection through the mesh belt 100.

A driving motor is arranged on the slurry tank 101, an output shaft of the driving motor drives one of the guide rollers 102, so as to drive the mesh belt 100 to rotate in the slurry tank 101, when the non-woven fabric is prepared, the fiber suspension slurry is poured to the mesh belt 100, the fiber raw materials in the fiber suspension slurry are left on the mesh belt 100, water flows into the slurry tank 101 through the mesh belt 100, the continuous fiber raw materials are formed on the mesh belt 100 along with the continuous pouring of the fiber suspension slurry to the mesh belt 100 and the movement of the mesh belt 100, the continuous fiber raw materials are dried through a drying mechanism in the slurry tank 101, then the dried continuous fiber raw materials are reinforced, the non-woven fabric is obtained, and the non-woven fabric is rolled up at the rear end of the slurry tank 101;

the lower extreme of thick liquids case 101 is equipped with the landing leg, supports thick liquids case 101, is equipped with the outlet simultaneously at the lower extreme of thick liquids case 101, concentrates the collection to the water in the fibre suspension thick liquid for the recovery is recycled.

As shown in fig. 4:

two inverted triangular side plates 103 are symmetrically arranged on the inner wall of the slurry box 101, and the lower edges of the two triangular side plates 103 tightly support the two ends of the mesh belt 100.

Through the setting of two triangle curb plates 103, make the pit appear in the guipure 100 that is located the top, be convenient for then pour fibre suspension thick liquid into the pit on guipure 100 in, carry out the check through triangle curb plate 103 to the pit on guipure 100 and keep off to avoid falling to the fibre suspension thick liquid on guipure 100 and flow in disorder, influence the fibre raw materials and evenly stay on guipure 100, influence the preparation of non-woven fabrics then.

As shown in fig. 5-7:

the cloth forming device further comprises a mounting plate 104, a material guide box 201, a material guide port 202, side sliding frames 203 and a mounting seat 207, the material guide port 202 is arranged at the lower end of the material guide box 201, the two ends of the material guide box 201 are respectively provided with the side sliding frames 203, the two side sliding frames 203 are respectively in sliding connection with the side walls of the slurry box 101 above the two triangular side plates 103, the mounting plate 104 is arranged on the slurry box 101, the mounting seat 207 is connected onto the mounting plate 104, and a telescopic rod is arranged between the mounting seat 207 and the material guide box 201.

The fiber suspension pulp is firstly guided into the material guiding box 201 through the arrangement of the material guiding box 201, then is discharged onto the mesh belt 100 through the material guiding port 202 at the lower end of the material guiding box 201, and can be uniformly poured into the concave pits on the mesh belt 100 through the arrangement that the material guiding port 202 is transverse and has the same width with the mesh belt 100, thereby being convenient for keeping the fiber raw materials on the mesh belt 100 uniformly;

through being equipped with the telescopic link between mount pad 207 and guide box 201, through starting the telescopic link and reciprocating flexible to drive guide box 201 reciprocating motion in thick liquids case 101, thereby make the fibre suspension thick liquid that guide mouth 202 discharged can reciprocating motion scatter to the pit on guipure 100 in, thereby be convenient for the water in the fibre suspension thick liquid to pass through guipure 100, improve the shaping speed of continuous fibre raw materials on guipure 100.

As shown in fig. 5-8:

the cloth forming device further comprises stirring side plates 301 and stirring rods 302, the two stirring side plates 301 symmetrically rotate on two sides inside the material guide box 201, the stirring rods 302 are evenly arranged between the two stirring side plates 301, and the two stirring side plates 301 are respectively in meshed transmission connection with racks arranged at the upper ends of the two triangular side plates 103.

When leading workbin 201 reciprocating motion in thick liquids case 101, thereby drive stirring curb plate 301 reciprocating motion, the rack toothing transmission that forms two stirring curb plates 301 and two triangle curb plate 103 upper ends and be equipped with then makes two stirring curb plates 301 rotate, and drive puddler 302 between two stirring curb plates 301 and rotate, thereby form the stirring to the fibre suspension thick liquid in leading workbin 201, avoid fibrous raw materials to be detained in leading workbin 201, influence the preparation of non-woven fabrics.

As shown in fig. 5-7 and 9:

the cloth forming device further comprises a transmission rack 205, a stirring shaft 303 and stirring rollers 304, the stirring rollers 304 rotate on the stirring shaft 303 in the circumferential direction, two ends of the stirring shaft 303 penetrate through and rotate at the lower ends of the two triangular side plates 103 respectively, the two transmission racks 205 are fixed at the lower ends of the two side sliding frames 203 respectively, and the two transmission racks 205 are in meshing transmission connection with two ends of the stirring shaft 303 respectively.

When the guide box 201 reciprocates in the slurry box 101, the transmission rack 205 is driven to reciprocate through the side carriage 203, the transmission rack 205 which reciprocates is in reciprocating engagement transmission with the stirring shaft 303, so that the reciprocating transmission of the stirring shaft 303 is formed, the stirring shaft 303 drives the stirring roller 304 to rotate at the deepest part of the pit of the mesh belt 100, the fiber suspension slurry in the pit of the mesh belt 100 is stirred, the water in the fiber suspension slurry is accelerated to pass through the mesh belt 100, and the forming speed of continuous fiber raw materials on the mesh belt 100 is improved; meanwhile, the rotating stirring roller 304 sequentially pushes the mesh belt 100 to form vibration to the mesh belt 100, so that the speed of water in the fiber suspension pulp passing through the mesh belt 100 is further increased, and the forming speed of continuous fiber raw materials on the mesh belt 100 is increased.

As shown in fig. 10:

the cloth forming device further comprises an adjusting screw 206, and the adjusting screw 206 rotates on the mounting plate 104 and is in threaded connection with the mounting seat 207.

Through the arrangement of the adjusting screw 206, the adjusting screw 206 is rotated to change the position of the mounting seat 207, and then the position of the guide box 201 reciprocating in the slurry box 101 is changed, so that the position of the guide port 202 discharging the fiber suspension slurry onto the mesh belt 100 is changed, and the device is suitable for different fiber raw materials.

As shown in fig. 11-12:

the cloth forming device further comprises limiting racks 204, limiting mechanisms, linkage plates 403 and reinforcing mechanisms, the limiting racks 204 are arranged on the two side sliding frames 203, the limiting mechanisms are connected to the two limiting racks 204, the reinforcing mechanisms are two, the two reinforcing mechanisms are symmetrically connected to the slurry tank 101 in a sliding mode and located on two sides of the mesh belt 100, the linkage plates 403 are arranged at two ends of the two reinforcing mechanisms in a rotating mode, and the two linkage plates 403 located on the same side are connected with the limiting mechanisms located on the corresponding sides in a rotating mode.

Through the relatively fixed connection of stop gear and spacing rack 204, when making lead workbin 201 reciprocating motion in thick liquids case 101, form and lead workbin 201 and drive stop gear reciprocating motion, when stop gear moves along with leading workbin 201 backward, it is close to the removal to drive two stiffening mechanism through interlock board 403, then form the tight reinforcement of clamp to the continuous fibre raw materials on the guipure 100 between two stiffening mechanism, thereby make continuous fibre raw materials consolidate to the non-woven fabrics, when stop gear moves along with leading workbin 201 forward, drive two stiffening mechanism through interlock board 403 and keep away from the removal, thereby form two stiffening mechanism's reciprocal clamp tightly, make continuous fibre raw materials consolidate to continuous non-woven fabrics.

As shown in fig. 13:

the reinforcing mechanism comprises a clamping block 401 and a sliding frame 402, two ends of the sliding frame 402 slide on side plates of the material guide box 201 respectively, the clamping block 401 slides in the sliding frame 402, a spring is arranged between the clamping block 401 and the sliding frame 402, and two ends of the sliding frame 402 are provided with linkage plates 403 in a rotating mode.

The limiting mechanism drives the sliding frame 402 to reciprocate through the linkage plate 403, so that the two clamping blocks 401 clamp and reinforce the continuous fiber raw materials on the mesh belt 100 between the two clamping blocks 401, and the continuous fiber raw materials are reinforced into non-woven fabrics; meanwhile, the spring is arranged, the position of the limiting mechanism on the limiting rack 204 is adjusted, the control on the clamping force of the fiber raw materials is formed, and the device can adapt to the preparation of non-woven fabrics of different limiting raw materials.

As shown in fig. 14-15:

the limiting mechanism comprises a limiting frame 404, a limiting gear shaping 405, a fixing spring 406 and a pull ring 407, the limiting frame 404 slides on the limiting rack 204, the limiting gear shaping 405 slides in the limiting frame 404, the fixing spring 406 is arranged between the limiting gear shaping 405 and the limiting frame 404, the limiting gear shaping 405 is inserted into a tooth socket of the limiting rack 204, the pull ring 407 is fixed at the outer end of the limiting gear shaping 405, and the limiting frame 404 is rotatably connected with the linkage plate 403.

The limiting gear 405 is inserted into the tooth slot of the limiting rack 204 to fix the relative position between the limiting frame 404 and the limiting rack 204, so that the limiting frame 404 moves back and forth along with the material guide box 201, and then the limiting frame 404 drives the sliding frame 402 to move back and forth through the linkage plate 403, and the two clamping blocks 401 clamp and reinforce the continuous fiber raw materials on the mesh belt 100 between the two clamping blocks 401;

when the relative position between the limiting frame 404 and the limiting rack 204 is adjusted, the pull ring 407 can be pulled to drive the limiting gear shaping 405 to slide out of the tooth socket of the limiting rack 204 where the limiting gear shaping is located, so that the position of the limiting frame 404 on the limiting rack 204 can be moved, after the proper position is adjusted, the pull ring 407 is loosened, the elastic force of the fixed spring 406 pushes the limiting gear shaping 405 to slide into the corresponding tooth socket of the limiting rack 204, and the relative position between the limiting frame 404 and the limiting rack 204 is fixed; the relative positions of the limiting frame 404 and the limiting rack 204 are changed by the method so as to adapt to the position change of the guide box 201 and the adjustment of the clamping force of the fiber raw material.

As shown in fig. 16-17:

a scraping mechanism for scraping the fiber raw materials on the mesh belt 100 is connected in the slurry box 101.

The scraping mechanism comprises a rotating roller 501, a scraping plate 502, a mandrel 503, a rotating arm 504, a tightening roller 505, bevel gear rings 506, a transmission bevel shaft 507 and an adjusting worm 508, wherein the rotating roller 501 penetrates and rotates in the slurry tank 101, the scraping plate 502 is fixed on the rotating roller 501, the mandrel 503 rotates in the rotating roller 501, the rotating arm 504 is fixed at one end of the mandrel 503, the tightening roller 505 rotates on the rotating arm 504, the bevel gear rings 506 are symmetrically fixed at the end heads of the rotating roller 501 and the mandrel 503 far away from the end of the rotating arm 504, the transmission bevel shaft 507 rotates on the slurry tank 101 and is positioned between the two bevel gear rings 506, the two bevel gear rings 506 are in transmission connection with the transmission bevel shaft 507, the adjusting worm 508 rotates on the slurry tank 101 and is in meshing transmission with the transmission bevel shaft 507 through a worm gear, and the mesh belt 100 penetrates between the scraping plate 502 and the tightening roller 505.

The scraper 502 is arranged to scrape the continuous fiber raw material on the mesh belt 100, so that the continuous fiber raw material can be uniform in thickness; the transmission conical shaft 507 can be rotated by rotating the transmission of the adjusting worm 508 to the transmission conical shaft 507, and then the two conical tooth rings 506 are simultaneously driven to rotate in opposite directions, so that the rotating roller 501 and the mandrel 503 are driven to rotate in opposite directions, and the scraping plate 502 and the tightening roller 505 are close to or far away from each other, so that the adjusting scraping plate 502 is matched with the tightening roller 505 to scrape and level continuous fiber raw materials on the mesh belt 100, and then the purpose of adjusting and controlling the thickness of the prepared non-woven fabric is achieved, and meanwhile, the adjusting worm 508 and the transmission conical shaft 507 are in meshing transmission through the worm gear and the worm, so that the adjusting worm 508 and the transmission conical shaft 507 have a self-locking function, and the adjusting scraping plate 502 and the tightening roller 505 are fixed after being in relative positions;

moreover, by the arrangement of the knock-up roller 505, there is no fear that the vibration of the mesh belt 100 affects the leveling force of the continuous fiber material on the mesh belt 100 by the blade 502.