阅读说明：本技术 一种用于ud布生产工艺的纤维清洗干燥系统及单层ud布生产工艺 (Fiber cleaning and drying system for UD cloth production process and single-layer UD cloth production process ) 是由 李桂林 汪民 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种用于UD布生产工艺的纤维清洗干燥系统及单层UD布生产工艺,所述用于UD布生产工艺的纤维清洗干燥系统包括清洗装置和两段式干燥装置,所述单层UD布生产工艺主要包括纤维的表面清洗处理、纤维的干燥处理、纤维上胶后的复刮处理和单层UD布的制备。本发明制备而成的单层UD布在防护防弹性能上有显著提升,使得超高分子量聚乙烯纤维的高弹高模特性得以更充分的发挥。(The invention discloses a fiber cleaning and drying system for a UD cloth production process and a single-layer UD cloth production process. The single-layer UD cloth prepared by the method has obviously improved protective bulletproof performance, so that the high-elasticity and high-modulus characteristics of the ultra-high molecular weight polyethylene fiber can be more fully exerted.)

1. The utility model provides a fibre washs drying system for UD cloth production technology, its characterized in that includes belt cleaning device (1) and two segmentation drying device (2), belt cleaning device (1) includes trapezoidal basin (3), temperature regulating water tank (4), guide roll (5), compression roller (6), inlet tube (7), drain pipe (8) and supersonic generator (9), two segmentation drying device (2) include box (10), accuse temperature hot-air blower I (11), accuse temperature hot-air blower II (12), anion generator (13), take parallel wind channel (14) of contained angle and take trapezoidal wind channel (15) of contained angle of anion.

2. A fiber washing and drying system for a UD cloth production process according to claim 1, it is characterized in that the ultrasonic generator (9) is arranged at the adjacent position right below the trapezoidal water tank (3), the front side and the rear side of the top end of the trapezoidal water tank (3) are respectively and horizontally provided with a guide roller (5), the oblique lower parts of the guide rollers (5) at the two sides are respectively and horizontally provided with a press roller (6), the compression rollers (6) are arranged on the front side and the rear side of the bottom of the trapezoidal water tank (3), the distance between the compression rollers (6) and the bottommost end of the trapezoidal water tank (3) is not more than 10mm, a water inlet pipe (7) is arranged at the bottom of the rear side of the trapezoidal water tank (3), the water inlet pipe (7) is communicated with the temperature regulating water tank (4), a drain pipe (8) is arranged at the bottom of the front side of the trapezoidal water tank (3), and the bottom of the trapezoidal water tank (3) is slightly inclined towards one side of a water outlet of the drain pipe (8); a plurality of wire dividing holes (17) are correspondingly and horizontally distributed in the middle positions of the front end wall and the rear end wall of the box body (10), the wire dividing holes (17) in the front end wall of the box body (10) are right opposite to a guide roller (5) on the rear side of the top end of the trapezoidal water tank (3), a parallel air duct (14) which is obliquely arranged at the rear upper part is arranged at the front section part of the box body (10), an air inlet pipe I (18) is arranged at the upper end of the parallel air duct (14), the air inlet pipe I (18) is right opposite to the temperature control hot air blower I (11), an air exhaust drain pipe (19) is arranged at the lower end of the parallel air duct (14), a negative ion trapezoidal air duct (15) is arranged at the rear section part of the box body (10), an exhaust pipe (20) is arranged at the front end of the bottom of the negative ion trapezoidal air duct (15), an air inlet pipe II (21) is right, and an air outlet of the temperature control air heater II (12) is provided with a negative ion generator (13).

3. The fiber cleaning and drying system for the UD cloth production process is characterized in that the parallel air duct (14) is composed of an upper guide plate (22) for guiding fibers and a lower drainage plate (23) for receiving residues on the surfaces of the fibers, the upper guide plate (22) and the lower drainage plate (23) are parallel to each other, the negative ion trapezoidal air duct (15) is composed of a front wire dividing plate (24) and a rear wire dividing plate (25) which are symmetrical in a splayed shape, and a plurality of wire dividing holes (17) are correspondingly and horizontally distributed in the middle of the wire dividing plates; the upper end of the upper guide plate (22) is fixed on the inner wall of the upper end of the box body (10), the lower end of the upper guide plate (22) is fixed above a wire dividing hole (17) in the front end wall of the box body (10), the lower end of the lower drainage plate (23) is fixed on the inner wall of the lower end of the box body (10), the upper end of the lower drainage plate (23) abuts against the lower portion of the wire dividing hole (17) of a front wire dividing plate (24) of the negative ion trapezoidal air duct (15), the upper ends of the front wire dividing plate (24) and the rear wire dividing plate (25) are fixed on the inner wall of the upper end of the box body (10), and the lower ends of the front wire dividing plate (24) and the rear wire dividing plate (25) are fixed on the inner wall of the lower end of the box body (10.

4. A fiber cleaning and drying system for a UD fabric production process according to claim 3, wherein the lower drainage plate (23) forms an angle of less than 30 ° with the inner wall of the lower end of the case (10), and the front filament separating plate (24) forms an angle of less than 45 ° with the inner wall of the lower end of the case (10).

5. A fiber cleaning and drying system for UD fabric production process according to claim 2, wherein the water inlet pipe (7), the water outlet pipe (8), the air inlet pipe i (18), the air outlet and water outlet pipe (19), the air outlet pipe (20) and the air inlet pipe ii (21) are all provided with control valves (16).

6. A single-layer UD cloth production process is characterized by comprising the following specific operation steps:

1) surface cleaning treatment of the fiber: starting a fiber cleaning and drying system for the UD cloth production process, enabling the fibers to enter a cleaning device (1) for continuous transmission, cleaning the fibers in a cleaning solution in a trapezoidal water tank (3) through the work of an ultrasonic generator (9), and adjusting the working frequency of the ultrasonic generator (9) according to the transmission speed of the fibers;

2) drying treatment of the fiber: the fiber is cleaned and then enters a two-section drying device (2), and is dried sequentially through a parallel air duct (14) of the front section part and a negative ion trapezoidal air duct (15) of the rear section part; at the moment, the temperature of the front section part is kept consistent with that of the trapezoidal water tank (3), and the temperature difference between the rear section part and the front section part is kept;

3) re-scraping after fiber gluing: after the dried fiber passes through a glue tank filled with glue solution, the gluing amount is controlled by a glue scraping device, and secondary coating scraping is carried out by a heating roller with the transmission speed being higher than the transmission speed of the fiber;

4) preparing UD cloth: and (3) feeding the coated and scraped glue-containing fibers into a carrier laminating device, coating the fibers on a release carrier, feeding the fibers into a drying oven for drying, and then rolling the fibers by a rolling device after the fibers are drawn by a drawing device to prepare single-layer UD cloth.

7. A single-layer UD cloth production process according to claim 6, wherein in step 1), the pH value of the cleaning solution is 8-10, and the cleaning solution is prepared from an alkaline solution, and the alkaline solution is selected from the range comprising sodium hydroxide, potassium hydroxide, sodium carbonate and calcium carbonate.

8. A single-layer UD cloth production process according to claim 6, wherein in step 1), the temperature of the trapezoidal water tank (3) is 20-60 ℃, and the operating frequency of the ultrasonic generator (9) is adjusted within 30-100 HZ; in the step 2), the temperature of the front section part is 20-60 ℃, and the temperature of the rear section part is 20-90 ℃.

9. A single-layer UD cloth production process according to claim 6, wherein in step 3), the selection range of the glue solution comprises SEBS thermoplastic elastomer, SBS styrene thermoplastic elastomer, and the combination of the SEBS thermoplastic elastomer and the SBS styrene thermoplastic elastomer which are proportionally configured.

10. A single layer UD cloth production process according to claim 6, characterized in that steps 1) to 3) are performed in a dust-free shop.

Technical Field

The invention relates to the field of protective bulletproof composite materials, in particular to a fiber cleaning and drying system for a UD cloth production process and a single-layer UD cloth production process.

Background

The UD cloth of the ultra-high molecular weight polyethylene fiber is one of the most widely applied composite materials in the field of current bulletproof protection, and is manufactured by stacking and compounding single-layer UD cloth. When the ultra-high molecular weight polyethylene fiber leaves a factory, solvent residues usually exist on the surface of the ultra-high molecular weight polyethylene fiber, and a plurality of impurities are adsorbed on the surface of the ultra-high molecular weight polyethylene fiber; the situation that the fiber surface is not effectively cleaned when single-layer UD cloth is produced can cause that the combination of the fiber and the colloid can not reach the due state, the combination strength between the UD cloth layers is not good, the ultra-high molecular weight polyethylene fiber has low energy absorption and utilization rate in the bulletproof protection and is easy to shift and slide under the impact of bullet fragments, the protection performance of the ultra-high molecular weight polyethylene fiber can not be exerted, and finally the bulletproof protection effect is poor.

For this reason, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a fibre washs drying system for UD cloth production technology, includes belt cleaning device and two segmentation drying device, belt cleaning device includes trapezoidal basin, temperature regulating water tank, guide roll, compression roller, inlet tube, drain pipe and supersonic generator, two segmentation drying device include box, accuse temperature air heater I, accuse temperature air heater II, anion generator, take the parallel wind channel of contained angle and take the trapezoidal wind channel of anion of contained angle.

Further, the ultrasonic generator is arranged at an adjacent position right below the trapezoidal water tank, a guide roller is horizontally arranged on each of the front side and the rear side of the top end of the trapezoidal water tank, a compression roller is horizontally arranged on each of the two sides below the guide rollers in an inclined manner, the compression rollers are arranged on the front side and the rear side of the bottom of the trapezoidal water tank, the distance between each compression roller and the bottommost end of the trapezoidal water tank is not more than 10mm, a water inlet pipe is arranged at the bottom of the rear side of the trapezoidal water tank, the water inlet pipe is communicated with the temperature regulating water tank, a drain pipe is arranged at the bottom of the front side of the trapezoidal water tank; the middle position of the front end wall and the rear end wall of the box body is provided with a plurality of wire dividing holes in a corresponding horizontal distribution mode, the wire dividing holes in the front end wall of the box body are right aligned to guide rollers on the rear side of the top end of the trapezoidal water tank, the front section of the box body is provided with parallel air channels which are obliquely arranged above the rear portion of the box body, the upper ends of the parallel air channels are provided with air inlet pipes I, the air inlet pipes I are right aligned to a temperature control hot air blower I, the lower ends of the parallel air channels are provided with air exhaust drain pipes, the rear section of the box body is provided with an anion trapezoidal air channel, the front end of the bottom of the anion trapezoidal air channel is provided with an air outlet pipe II, the air inlet pipe II is right aligned to a temperature control hot.

Furthermore, the parallel air duct is composed of an upper guide plate for guiding fibers and a lower drainage plate for receiving residues on the surfaces of the fibers, the upper guide plate and the lower drainage plate are parallel to each other, the negative ion trapezoidal air duct is composed of a front wire dividing plate and a rear wire dividing plate which are symmetrical in a splayed shape, and a plurality of wire dividing holes are correspondingly and horizontally distributed in the middle of the wire dividing plate; the upper end of the upper guide plate is fixed on the inner wall of the upper end of the box body, the lower end of the upper guide plate is fixed above a wire dividing hole in the front end wall of the box body, the lower end of the lower drainage plate is fixed on the inner wall of the lower end of the box body, the upper end of the lower drainage plate is abutted against the lower portion of the wire dividing hole in the front wire dividing plate of the negative ion trapezoidal air duct, the upper ends of the front wire dividing plate and the rear wire dividing plate are fixed on the inner wall of the upper end of the box body, and the lower ends of the front wire dividing plate and the rear wire dividing plate are fixed on the inner wall of.

Furthermore, the lower drainage plate and the inner wall of the lower end of the box body form an included angle smaller than 30 degrees, and the front wire separating plate and the inner wall of the lower end of the box body form an included angle smaller than 45 degrees.

Furthermore, control valves are arranged on the water inlet pipe, the water outlet pipe, the air inlet pipe I, the air exhaust and water outlet pipe, the air exhaust pipe and the air inlet pipe II.

A single-layer UD cloth production process comprises the following specific operation steps:

1) surface cleaning treatment of the fiber: starting a fiber cleaning and drying system for the UD cloth production process, enabling the fibers to enter a cleaning device for continuous transmission, cleaning the fibers in a cleaning solution in a trapezoidal water tank by working of an ultrasonic generator, and adjusting the working frequency of the ultrasonic generator according to the transmission speed of the fibers;

2) drying treatment of the fiber: cleaning the fibers, then feeding the fibers into a two-section drying device, and drying the fibers by sequentially passing through a parallel air duct of the front section part and a negative ion trapezoidal air duct of the rear section part; at the moment, the temperature of the front section part is kept consistent with that of the trapezoidal water tank, and the temperature difference between the rear section part and the front section part is kept;

3) re-scraping after fiber gluing: after the dried fiber passes through a glue tank filled with glue solution, the gluing amount is controlled by a glue scraping device, and secondary coating scraping is carried out by a heating roller with the transmission speed being higher than the transmission speed of the fiber;

4) preparing single-layer UD cloth: and (3) feeding the coated and scraped glue-containing fibers into a carrier laminating device, coating the fibers on a release carrier, feeding the fibers into a drying oven for drying, and then rolling the fibers by a rolling device after the fibers are drawn by a drawing device to prepare single-layer UD cloth.

Further, in the step 1), the pH value of the cleaning solution is 8-10, and the cleaning solution is prepared from an alkaline solution, wherein the alkaline solution is selected from sodium hydroxide, potassium hydroxide, sodium carbonate and calcium carbonate.

Further, in the step 1), the temperature of the trapezoidal water tank is 20-60 ℃, and the working frequency of the ultrasonic generator is adjusted within 30-100 HZ; in the step 2), the temperature of the front section part is 20-60 ℃, and the temperature of the rear section part is 20-90 ℃.

Furthermore, the selection range of the glue solution comprises SEBS thermoplastic elastomer, SBS styrene thermoplastic elastomer, and the combination of the SEBS thermoplastic elastomer and the SBS styrene thermoplastic elastomer which are configured in proportion.

Further, the steps 1) to 3) are all carried out in a dust-free workshop.

The invention has the beneficial effects that: according to the invention, the residual solvent and adsorbate on the surface of the fiber are effectively removed by treating the fiber before gluing, and meanwhile, the surface of the fiber is modified by soaking the fiber in an alkaline solution, so that the fiber can be well combined with a colloid in a subsequent process; according to the invention, the static electricity on the surface of the fiber is treated by drying the negative ion air, so that the fiber spreading effect is obviously improved, the fiber is prevented from gathering due to the static electricity generated by friction in the transmission process, and the fiber spreading uniformity is improved; the invention improves the uniformity of gluing by re-scraping after gluing the fiber; according to the invention, the heating roller is added after the fiber is scraped, so that the state of the colloid wrapping the fiber is better; the single-layer UD cloth prepared by the method has obviously improved protective bulletproof performance, so that the high-elasticity and high-modulus characteristics of the ultra-high molecular weight polyethylene fiber can be more fully exerted.

Drawings

Fig. 1 is a schematic structural view of a fiber cleaning and drying system for a UD fabric production process of the present invention.

Fig. 2 is a side view of a two-stage drying apparatus according to the present invention.

In the figure: 1. cleaning device, 2, two segmentation drying device, 3, trapezoidal basin, 4, temperature regulating water tank, 5, guide roll, 6, compression roller, 7, inlet tube, 8, drain pipe, 9, supersonic generator, 10, box, 11, temperature control air heater I, 12, temperature control air heater II, 13, anion generator, 14, parallel wind channel, 15, trapezoidal wind channel, 16, control valve, 17, branch silk hole, 18, air-supply line I, 19, exhaust drain pipe, 20, exhaust pipe, 21, air-supply line II, 22, upper guide plate, 23, lower drain board, 24, preceding branch silk board, 25, back branch board.

Detailed Description

As shown in fig. 1 and 2, a fiber cleaning and drying system for UD cloth production process comprises a cleaning device 1 and a two-section type drying device 2, wherein the cleaning device 1 comprises a trapezoidal water tank 3, a temperature-adjusting water tank 4, a guide roller 5, a compression roller 6, a water inlet pipe 7, a water outlet pipe 8 and an ultrasonic generator 9, and the two-section type drying device 2 comprises a box body 10, a temperature-controlling hot air blower I11, a temperature-controlling hot air blower II 12, an anion generator 13, a parallel air duct 14 with an included angle and a trapezoidal air duct 15 with an included angle.

The ultrasonic generator 9 is arranged at an adjacent position under the trapezoidal water tank 3, a guide roller 5 is horizontally arranged on each of the front side and the rear side of the top end of the trapezoidal water tank 3, a press roller 6 is horizontally arranged on each of the oblique lower sides of the guide rollers 5 on the two sides, the press rollers 6 are arranged on the front side and the rear side of the bottom of the trapezoidal water tank 3, the distance between the press rollers 6 and the bottommost end of the trapezoidal water tank 3 is not more than 10mm, a water inlet pipe 7 is arranged at the bottom of the rear side of the trapezoidal water tank 3, the water inlet pipe 7 is communicated with the temperature-adjusting water tank 4, a water drain pipe 8 is arranged at the bottom; the middle position of the front end wall and the rear end wall of the box body 10 is correspondingly and horizontally distributed with a plurality of wire dividing holes 17, the wire dividing holes 17 of the front end wall of the box body 10 are over against the guide roller 5 on the rear side of the top end of the trapezoidal water tank 3, the front section part of the box body 10 is provided with a parallel air duct 14 which is obliquely arranged at the rear upper part, the upper end of the parallel air duct 14 is provided with an air inlet pipe I18, the air inlet pipe I18 is over against the temperature control hot air blower I11, the lower end of the parallel air duct 14 is provided with an exhaust drain pipe 19, the rear section part of the box body 10 is provided with a negative ion trapezoidal air duct 15, the front end of the bottom of the negative ion trapezoidal air duct 15 is provided with an exhaust pipe 20, the rear end of the bottom of the negative ion trapezoidal air.

The parallel air duct 14 is composed of an upper guide plate 22 for guiding fibers and a lower drainage plate 23 for receiving residues on the surfaces of the fibers, the upper guide plate 22 and the lower drainage plate 23 are parallel to each other, the negative ion trapezoidal air duct 15 is composed of a front wire dividing plate 24 and a rear wire dividing plate 25 which are symmetrical in a splayed shape, and a plurality of wire dividing holes 17 are correspondingly and horizontally distributed in the middle of the wire dividing plates; the upper end of the upper guide plate 22 is fixed on the inner wall of the upper end of the box body 10, the lower end of the upper guide plate 22 is fixed above the wire dividing hole 17 of the front end wall of the box body 10, the lower end of the lower drainage plate 23 is fixed on the inner wall of the lower end of the box body 10, the upper end of the lower drainage plate 23 is abutted to the lower side of the wire dividing hole 17 of the front wire dividing plate 24 of the negative ion trapezoidal air duct 15, the upper ends of the front wire dividing plate 24 and the rear wire dividing plate 25 are fixed on the inner wall of the upper end of the box body 10, and the lower ends of the front wire dividing plate 24 and the rear wire dividing plate 25 are fixed.

The lower drainage plate 23 and the inner wall of the lower end of the box body 10 form an included angle of less than 30 degrees, and the front wire separating plate 24 and the inner wall of the lower end of the box body 10 form an included angle of less than 45 degrees.

The inlet pipe 7, the drain pipe 8, the air inlet pipe I18, the air exhaust drain pipe 19, the air exhaust pipe 20 and the air inlet pipe II 21 are all provided with a control valve 16.

A single-layer UD cloth production process comprises the following specific operation steps:

1) surface cleaning treatment of the fiber: starting a fiber cleaning and drying system for the UD cloth production process, wherein fibers pass through a fiber separating plate from a silk frame, are drawn by a guide roller 5 on the front side of the top end of a trapezoidal water tank 3 of a cleaning device 1, are transmitted into the trapezoidal water tank 3, are pressed by a pressing roller 6, are cleaned in a cleaning solution of the trapezoidal water tank 3 through the work of an ultrasonic generator 9, and the working frequency of the ultrasonic generator 9 is also adjusted according to the transmission speed of the fibers;

2) drying treatment of the fiber: the cleaned fiber is drawn by a guide roller 5 at the rear side of the top end of the trapezoidal water tank 3, passes through a fiber dividing hole 17 at the front end wall of the box body 10 of the two-section type drying device 2, enters the box body 10, and sequentially passes through the fiber dividing holes 17 of the front fiber dividing plate 24, the rear fiber dividing plate 25 and the rear end wall of the box body 10 in a transmission manner; meanwhile, when the fibers pass through the parallel air duct 14 at the front section of the box body 10, the air of the air inlet pipe I18 blows the liquid and impurity residues on the surfaces of the fibers, so that the fibers fall on the lower drainage plate 23 and flow to the exhaust drainage pipe 19 to be discharged; when the fibers are transmitted to the negative ion trapezoidal air duct 15 at the rear section of the box body 10, the air with negative ions in the air inlet pipe II 21 dries the fibers, so that the fibers are prevented from gathering due to static electricity generated by friction in the transmission process; at this time, the temperature of the front section part is kept consistent with that of the trapezoidal water tank 3, and the temperature difference between the rear section part and the front section part is kept;

3) re-scraping after fiber gluing: after the dried fiber passes through a glue tank filled with glue solution, the gluing amount is controlled by a glue scraping device, and secondary coating scraping is carried out by a heating roller with the transmission speed being higher than the transmission speed of the fiber, so that the state of the fiber wrapped by the glue is better;

4) preparing single-layer UD cloth: and (3) feeding the coated and scraped glue-containing fibers into a carrier laminating device, coating the fibers on a release carrier, feeding the fibers into a drying oven for drying, and then rolling the fibers by a rolling device after the fibers are drawn by a drawing device to prepare single-layer UD cloth.

The drying of anion air has avoided the fibre to take place to gather together because of the friction produces static in transmission process, has promoted the degree of consistency that the fibre was spread.

In the step 1), the pH value of the cleaning solution is 8-10, and the cleaning solution is prepared from an alkaline solution, wherein the selection range of the alkaline solution comprises sodium hydroxide, potassium hydroxide, sodium carbonate and calcium carbonate; the alkaline solution enables the fibers to be effectively cleaned in the cleaning solution, and meanwhile, the alkaline solution effectively treats the surfaces of the fibers.

In the step 1), the temperature of the trapezoidal water tank 3 is 20-60 ℃, and the working frequency of the ultrasonic generator 9 is adjusted within 30-100 HZ; in the step 2), the temperature of the front section is 20-60 ℃, and the temperature of the rear section is 20-90 ℃. The front section and the rear section of the box body 10 maintain a temperature difference, which is beneficial to drying the fiber.

In the step 3), the selection range of the glue solution comprises SEBS thermoplastic elastomer, SBS styrene thermoplastic elastomer, and the combination of the SEBS thermoplastic elastomer and the SBS styrene thermoplastic elastomer which are configured in proportion.

The steps 1) to 3) are all carried out in a dust-free workshop, so that the environmental pollution and the harm to human bodies are avoided.