CN111070850A

CN111070850A - Continuous production line for aramid fiber non-woven cloth

Info

Publication number: CN111070850A
Application number: CN201911361184.3A
Authority: CN
Inventors: 朱加前; 邹梅
Original assignee: Jiangsu Honghua Special Equipment Co ltd
Current assignee: Jiangsu Honghua Special Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-28

Abstract

The invention discloses an aramid fiber laid fabric continuous production line, which comprises: the yarn frame is arranged at the foremost end, the yarn dividing frame is arranged at the rear end of the yarn frame, the frame is arranged at the rear end of the yarn dividing frame, a first tensioner and a second tensioner are arranged at the front end of the frame respectively, a wire reed is arranged on the frame between the first tensioner and the second tensioner, a front traction device is arranged on the frame at the rear end of the second tensioner, a wire laying roller device is arranged on the frame at the rear end of the front traction device, a glue applying roller device is arranged on the frame at the rear end of the wire laying roller device, a film releasing roller mounting frame and a composite guide roller are arranged on the frame at the rear end of the glue applying roller device, a film releasing roller is arranged at the upper end of the film releasing roller mounting frame, and a PE film guide roller, a film dividing roller and a silica gel strip opening roller are sequentially arranged on the film releasing roller mounting frame at the lower end of the film releasing roller.

Description

Continuous production line for aramid fiber non-woven cloth

Technical Field

The invention relates to the field of composite machinery, in particular to a continuous production line of aramid fiber laid fabric.

Background

The aramid laid fabric is formed by compounding aramid fibers and a PE film. The aramid fiber laid fabric has excellent performances of soft hand feeling, low density, abrasion resistance, impact resistance, strong cutting toughness and the like, and is widely applied to special public anti-riot fields of soft body armor, light bulletproof helmets, light bulletproof armor plates and the like. The existing aramid fiber laid cloth production equipment dries the compounded aramid fiber laid cloth through an oven in the production process, the compounded aramid fiber laid cloth directly and parallelly passes through the oven at present, the problem that the oven needs to be set to be long enough to ensure the drying effect of a bulletproof material is solved, the occupied area is large, the residence time of the aramid fiber laid cloth in the oven is short, meanwhile, the drying method is single, namely, circulating hot air is directly introduced into the oven to dry the aramid fiber laid cloth, the drying distance is far, the drying efficiency is low, the drying effect is unsatisfactory, the later quality of a product is influenced, and the use requirement cannot be well met.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the continuous production line of the aramid fiber non-woven cloth is high in drying efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that: continuous production line of aramid fiber laid fabric includes: the automatic film spreading device comprises a creel arranged at the foremost end, a yarn dividing frame arranged at the rear end of the creel, a rack arranged at the rear end of the yarn dividing frame, a first tensioner and a second tensioner which are respectively arranged at the front end of the rack, a yarn reed arranged on the rack between the first tensioner and the second tensioner, a front traction device arranged on the rack at the rear end of the second tensioner, a yarn spreading roller device arranged on the rack at the rear end of the front traction device, a glue applying roller device arranged on the rack at the rear end of the yarn spreading roller device, a film releasing roller mounting rack and a composite guide roller arranged on the rack at the rear end of the glue applying roller device, a film releasing roller arranged at the upper end of the film releasing roller mounting rack, a PE film guide roller, a film dividing roller and a silica gel strip opening roller arranged on the film releasing roller mounting rack at the lower end of the film releasing roller in sequence, a composite roller set arranged on the rack at the rear end of the composite guide roller, the composite roller set comprises a composite roller set and is characterized in that an oven is arranged on a rack at the rear end of the composite roller set, a front guide roller is arranged at the front end of the oven, a rear guide roller is arranged at the rear end of the oven, a plurality of drying units are uniformly arranged in the oven, and each drying unit comprises: the drying device comprises a fixed pipe fixedly arranged on a drying device, a drying roller sleeve is rotatably arranged on the outer side of the fixed pipe through a bearing, sealing rings are arranged between two ends of the drying roller sleeve and the fixed pipe, a middle air passing cavity is arranged between the two sealing rings, the drying roller sleeve and the fixed pipe, an air inlet channel is arranged in the fixed pipe, a plurality of inner through hole groups are uniformly arranged on the fixed pipe in the drying oven, each inner through hole group comprises a plurality of inner through holes, one end of each inner through hole is communicated with the corresponding air inlet channel, the other end of each inner through hole is communicated with the corresponding middle air passing cavity, a plurality of outer drying hole groups are uniformly arranged on the drying roller sleeve in the drying oven, each outer drying hole group comprises a plurality of outer drying holes, one end of each outer drying hole is communicated with the corresponding middle air passing cavity, the other end of each outer drying hole is communicated with the inside of the drying oven, and a plurality of supporting units are uniformly arranged on the drying roller sleeve between the two adjacent outer drying, the supporting unit includes: the drying roller comprises a slide bar sliding hole arranged on the outer side of a drying roller sleeve and a limiting sliding cavity communicated with the sliding hole, a slide bar matched with the slide bar sliding hole is arranged in the slide bar sliding hole in a sliding manner, one end of the slide bar extending into the limiting sliding cavity is connected with a limiting sliding block, the limiting sliding block is arranged in the limiting sliding cavity in a sliding manner, a guide spherical surface is arranged at the other end of the slide bar extending out of the drying roller sleeve, a buffer spring is arranged in the limiting sliding cavity, one end of the buffer spring abuts against the limiting sliding block, the other end of the buffer spring abuts against the drying roller sleeve, a driven gear is arranged at one end of the drying roller sleeve extending out of a drying oven, the driven gears in two adjacent drying units are in meshed transmission, a servo speed reducing motor is arranged on the drying oven, a driving gear is arranged on a motor shaft of the servo speed reducing motor, and the driving gear is in, the drying oven is characterized in that a heated air circulation fan is arranged at the upper end of the drying oven, an air outlet of the heated air circulation fan is communicated with two ends of a fixed pipe in each drying unit through an air outlet pipe, an air suction opening of the heated air circulation fan is communicated with the inside of the drying oven, a rear traction device is arranged on a rack at the rear end of the drying oven, and a central winding device is arranged on a rack at the rear end of the rear traction device.

The invention has the advantages that: the continuous production line of the aramid fiber laid cloth has the advantages that the drying roller sleeves in the drying units are adopted in the drying oven to enable the bulletproof material to be spread into a wave-shaped structure, the drying time of the bulletproof material in the drying oven can be prolonged, the occupied area of the drying oven is reduced, the continuous production line is compact in structure, the drying roller sleeves in the drying units can rotate on the fixed pipe, the drying roller sleeves are connected through synchronous transmission of gears, synchronous traction of the aramid fiber laid cloth in the drying process can be realized, the aramid fiber laid cloth is supported on the drying roller sleeves through the supporting units, the supporting units can freely stretch and buffer in the aramid fiber laid cloth pulling process, the transmission and traction effects are good, good traction tension is ensured, the compounding and drying quality of products is improved, gaps can be formed between the aramid fiber laid cloth and the drying roller sleeves after the aramid fiber laid cloth is supported by the supporting units, hot air is blown into the gap from the fixing pipe and the drying roller sleeve from inside to outside, the drying distance is short, the drying efficiency is high, the drying effect is good, high-quality aramid fiber laid fabric bulletproof materials can be produced, the use requirements of soft bulletproof clothes, light bulletproof helmets, light bulletproof armor plates, stab-proof and cutting-proof clothing linings and special public anti-riot facilities are met, and the enterprise benefit is increased.

Drawings

Fig. 1 is a schematic structural diagram of the continuous production line of aramid fiber laid fabric.

Fig. 2 is a schematic top view of the oven of fig. 1.

Fig. 3 is an enlarged schematic structural view of the drying unit in fig. 1.

In the figure: 1. creel, 2, silk splitting frame, 3, frame, 4, first tension device, 5, second tension device, 6, silk reed, 7, front traction device, 8, silk spreading roller device, 9, glue spreading roller device, 10, film placing roller mounting frame, 11, composite guide roller, 12, film placing roller, 13, PE film guide roller, 14, film splitting roller, 15, silica gel strip opening roller, 16, composite roller set, 17, oven, 18, front guide roller, 19, rear guide roller, 20, fixing pipe, 21, bearing, 22, drying roller sleeve, 23, sealing ring, 24, middle air passing cavity, 25, air inlet channel, 26, inner through hole set, 261, inner through hole, 27, outer drying hole set, 271, outer drying hole set, 28, supporting unit, 281, slide rod slide hole, 282, limit slide cavity, 283, 284, slide rod, limit slide block, 285, guide spherical surface, 286, buffer spring, 29, driven gear, 30, servo motor, 31. motor shaft, 32, driving gear, 33, heated air circulation fan, 331, air outlet, 332, suction opening, 34, air outlet pipe, 35, back traction device, 36, central coiling device, 37, aramid fiber, 38, PE film, 39, and aramid laid cloth.

Detailed Description

The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2 and 3, the continuous production line of the aramid fiber laid fabric comprises: the film spreading and guiding device is characterized in that the yarn frame 1 is arranged at the foremost end, the yarn dividing frame 2 arranged at the rear end of the yarn frame 1 is arranged, the machine frame 3 arranged at the rear end of the yarn dividing frame 2 is provided with a first tensioner 4 and a second tensioner 5 at the front end of the machine frame 3 respectively, a yarn reed 6 is arranged on the machine frame 3 between the first tensioner 4 and the second tensioner 5, a front traction device 7 is arranged on the machine frame 3 at the rear end of the second tensioner 5, a yarn spreading roller device 8 is arranged on the machine frame 3 at the rear end of the front traction device 7, a rubber roller feeding device 9 is arranged on the machine frame 3 at the rear end of the yarn spreading roller device 8, a film releasing roller mounting frame 10 and a composite guide roller 11 are arranged on the machine frame 3 at the rear end of the rubber roller feeding device 9, a film releasing roller 12 is arranged at the upper end of the film releasing roller mounting frame 10, and a PE film releasing guide roller 13, a PE film releasing roller 13 and a composite guide roller 11, Film separating roller 14 and silica gel strip scutching roller 15 be provided with compound roller set 16 in the frame 3 of compound guide roll 11 rear end be provided with oven 17 in the frame 3 of compound roller set 16 rear end the front end of oven 17 is provided with preceding guide roll 18 the rear end of oven 17 is provided with back guide roll 19 evenly be provided with a plurality of stoving units in the oven 17, the stoving unit includes: a fixed pipe 20 fixedly arranged on a drying box 17, a drying roller sleeve 22 is rotatably arranged at the outer side of the fixed pipe 20 through a bearing 21, sealing rings 23 are arranged between two ends of the drying roller sleeve 22 and the fixed pipe 20, a middle air passing cavity 24 is arranged between the two sealing rings 23, the drying roller sleeve 22 and the fixed pipe 20, an air inlet channel 25 is arranged in the fixed pipe 20, a plurality of inner through hole groups 26 are uniformly arranged on the fixed pipe 20 in the drying box 17, each inner through hole group 26 comprises a plurality of inner through holes 261, one end of each inner through hole 261 is communicated with the corresponding air inlet channel 25, the other end of each inner through hole 261 is communicated with the middle air passing cavity 24, a plurality of outer drying hole groups 27 are uniformly arranged on the drying roller sleeve 22 in the drying box 17, each outer drying hole group 27 comprises a plurality of outer drying holes 271, one end of each outer drying hole 271 is communicated with the middle air passing cavity 24, the other end of the outer drying hole 271 is communicated with the inside of the oven 17, a plurality of supporting units 28 are uniformly arranged on the drying roller sleeve 22 between two adjacent outer drying hole groups 27, and each supporting unit 28 comprises: a slide rod slide hole 281 arranged at the outer side of the drying roller sleeve 22 and a limit slide cavity 282 communicated with the slide hole 281, a slide rod 283 matched with the slide rod is arranged in the slide rod slide hole 281 in a sliding way, one end of the slide rod 283 extending into the limit slide cavity 282 is connected with a limit slide block 284, the limit slide block 284 is arranged in the limit slide cavity 282 in a sliding way, a guide spherical surface 285 is arranged at the other end of the slide rod 283 extending out of the drying roller sleeve 22, a buffer spring 286 is arranged in the limit slide cavity 282, one end of the buffer spring 286 is abutted against the limit slide block 284, the other end of the buffer spring 286 is abutted against the drying roller sleeve 22, a driven gear 29 is arranged at one end of the drying roller sleeve 22 extending out of the oven 17, the driven gears 29 in two adjacent drying units are mutually meshed for transmission, a servo speed reduction motor 30 is arranged on the oven 17, and a driving gear 32 is arranged on a motor shaft 31 of the servo speed reduction motor, the driving gear 32 is in meshed transmission with the driven gear 29 in one of the drying units, a hot air circulating fan 33 is arranged at the upper end of the oven 17, an air outlet 331 of the hot air circulating fan 33 is communicated with two ends of the fixed pipe 18 in each drying unit through an air outlet pipe 34, an air suction port 332 of the hot air circulating fan 33 is communicated with the inside of the oven 17, a rear traction device 35 is arranged on the rack 3 at the rear end of the oven 17, and a central winding device 36 is arranged on the rack 3 at the rear end of the rear traction device 35.

When the continuous production line for the aramid fiber laid cloth works, aramid fibers 37 on a creel 1 are divided into filaments by a filament dividing frame 2, then sequentially pass through a first tensioner 4, a filament reed 6 and a second tensioner 5 on a rack 3 to increase tension, and then are drawn by a front drawing device 7 and enter a filament laying roller device 8 for filament laying, and PE fibers after filament laying enter a sizing roller device 9 for sizing; after a PE film 37 is subjected to film releasing by a film releasing roller 12 on a film releasing roller mounting frame 10 and enters a film separating roller 14 through a PE film guide roller 13 for film separation, a silica gel strip expanding roller 15 expands and then enters a composite roller set 16 with glued aramid fibers 37 through a composite guide roller 11 for compounding, aramid laid cloth 39 is formed after compounding and enters an oven 17, the aramid laid cloth 39 is guided by a front guide roller 18 into a plurality of drying units in the oven 17, the aramid laid cloth 39 is laid on drying roller sleeves 22 in the plurality of drying units in a wave shape, and finally guided by a rear guide roller 19 and led out of the oven 17, when the aramid laid cloth 39 passes through the drying roller sleeves 22, a supporting unit 28 can support the aramid laid cloth 39 to form a certain drying gap between the aramid laid cloth 39 and the drying roller sleeves 22, at the moment, a servo speed reducing motor 30 is started, a motor shaft 31 of the servo speed reducing motor 30 drives a driving gear 32 to rotate, the driving gear 32 drives a driven gear 29 which is meshed with the driving gear to rotate, the driven gears 29 in a plurality of drying units are in transmission connection with each other, the rotating directions of two adjacent upper and lower driven gears 29 are opposite, the driven gears 29 drive the drying roller sleeves 22 in the plurality of drying units to rotate on the fixed pipe 20 through the bearing 21, the rotating directions of the two adjacent upper and lower drying roller sleeves 22 are opposite, the supporting units 28 on the drying roller sleeves 22 pull the aramid weftless fabric 39 to move backwards continuously, meanwhile, the hot air circulating fan 33 at the upper end of the drying oven 17 is started, the hot air circulating fan 33 sends hot air out through the air outlet 331 to pass through the air outlet 34, two ends of the fixed pipe 20 in the plurality of drying units, the air inlet channel 25, a plurality of inner through holes 261 in the inner through hole group 26, the middle air passing cavity 24 and a plurality of outer drying holes 271 in the outer drying hole group 27 to enter gaps between the aramid weftless fabric 39 and the drying roller sleeves 22 to dry the aramid weftless, the dried gas is pumped back to the hot air circulating fan 33 from the upper end of the oven 17 through the air suction port 332 for recycling, the drying unit positioned above the wave-shaped aramid fiber non-woven cloth 39 dries the upper surface of the aramid fiber non-woven cloth 39, the drying unit positioned below the wave-shaped aramid fiber non-woven cloth 39 dries the lower surface of the aramid fiber non-woven cloth 39, meanwhile, in the process that the supporting unit 28 on the drying roller sleeve 22 pulls the aramid fiber non-woven cloth 39, the aramid fiber non-woven cloth 39 can press a plurality of guide spherical surfaces 285 on the supporting unit 28 inwards, the guide spherical surfaces 285 push the slide bars 283 inwards to slide inwards in the slide bar sliding holes 281, the slide bars 283 push the lower limiting slide cavities 282 of the limiting slide blocks 284 to slide inwards to press the buffer springs 286, therefore, the aramid fiber weftless cloth 39 can be prevented from being pulled too tightly, and the dried aramid fiber weftless cloth 39 is pulled by the rear pulling device 35 and then enters the central winding device 36 to be wound.

The continuous production line of the aramid fiber laid cloth has the advantages that the drying roller sleeves in the drying units are adopted in the drying oven to enable the bulletproof material to be spread into a wave-shaped structure, the drying time of the bulletproof material in the drying oven can be prolonged, the occupied area of the drying oven is reduced, the continuous production line is compact in structure, the drying roller sleeves in the drying units can rotate on the fixed pipe, the drying roller sleeves are connected through synchronous transmission of gears, synchronous traction of the aramid fiber laid cloth in the drying process can be realized, the aramid fiber laid cloth is supported on the drying roller sleeves through the supporting units, the supporting units can freely stretch and buffer in the aramid fiber laid cloth pulling process, the transmission and traction effects are good, good traction tension is ensured, the compounding and drying quality of products is improved, gaps can be formed between the aramid fiber laid cloth and the drying roller sleeves after the aramid fiber laid cloth is supported by the supporting units, hot air is blown into the gap from the fixing pipe and the drying roller sleeve from inside to outside, the drying distance is short, the drying efficiency is high, the drying effect is good, high-quality aramid fiber laid fabric bulletproof materials can be produced, the use requirements of soft bulletproof clothes, light bulletproof helmets, light bulletproof armor plates, stab-proof and cutting-proof clothing linings and special public anti-riot facilities are met, and the enterprise benefit is increased.

Claims

1. Continuous production line of aramid fiber no latitude cloth, its characterized in that: the method comprises the following steps: the automatic film feeding device comprises a creel (1) arranged at the foremost end, a yarn dividing frame (2) arranged at the rear end of the creel (1), a rack (3) arranged at the rear end of the yarn dividing frame (2), a first tensioner (4) and a second tensioner (5) are respectively arranged at the front end of the rack (3), a yarn reed (6) is arranged on the rack (3) between the first tensioner (4) and the second tensioner (5), a front traction device (7) is arranged on the rack (3) at the rear end of the second tensioner (5), a yarn laying roller device (8) is arranged on the rack (3) at the rear end of the front traction device (7), a rubber feeding roller device (9) is arranged on the rack (3) at the rear end of the yarn laying roller device (8), a film releasing roller mounting rack (10) and a composite guide roller (11) are arranged on the rack (3) at the rear end of the rubber feeding roller device (9), put the upper end of membrane roller mounting bracket (10) and be provided with and put membrane roller (12) put and have set gradually PE membrane guide roll (13), film separating roller (14) and silica gel strip scutching roller (15) on membrane roller mounting bracket (10) of putting membrane roller (12) lower extreme be provided with composite roller set (16) on frame (3) of composite guide roller (11) rear end be provided with oven (17) on frame (3) of composite roller set (16) rear end the front end of oven (17) is provided with preceding guide roll (18) the rear end of oven (7) is provided with back guide roll (19) evenly be provided with a plurality of stoving units in oven (17), the stoving unit includes: a fixed pipe (20) fixedly arranged on a drying device (17), a drying roller sleeve (22) is rotatably arranged on the outer side of the fixed pipe (20) through a bearing (21), sealing rings (23) are arranged between the two ends of the drying roller sleeve (22) and the fixed pipe (20), a middle air passing cavity (24) is arranged between the two sealing rings (23), the drying roller sleeve (22) and the fixed pipe (20), an air inlet channel (25) is arranged in the fixed pipe (20), a plurality of inner through hole groups (26) are uniformly arranged on the fixed pipe (20) in the drying oven (17), each inner through hole group (26) comprises a plurality of inner through holes (261), one end of each inner through hole (261) is communicated with the air inlet channel (25), the other end of each inner through hole (261) is communicated with the middle air passing cavity (24), a plurality of outer drying hole groups (27) are uniformly arranged on the drying roller sleeve (22) in the drying oven (17), outer stoving punch combination (27) include a plurality of outer stoving holes (271), the one end and middle air passing cavity (24) of outer stoving hole (271) communicate each other, the other end and oven (17) inside intercommunication of outer stoving hole (271), evenly be provided with a plurality of supporting element (28) on stoving roller shell (22) between two adjacent outer stoving punch combinations (27), supporting element (28) include: a slide rod slide hole (281) arranged at the outer side of the drying roller sleeve (22) and a limit slide cavity (282) communicated with the slide hole (281), a slide rod (283) matched with the slide rod slide hole is arranged in the slide rod slide hole (281) in a sliding way, one end of the slide rod (283) extending into the limit slide cavity (282) is connected with a limit slide block (284), the limit slide block (284) is arranged in the limit slide cavity (282) in a sliding way, a guide spherical surface (285) is arranged at the other end of the slide rod (283) extending out of the drying roller sleeve (22), a buffer spring (286) is arranged in the limit slide cavity (282), one end of the buffer spring (286) is abutted against the limit slide block (284), the other end of the buffer spring (286) is abutted against the drying roller sleeve (22), a driven gear (29) is arranged at one end of the drying roller sleeve (22) extending out of the drying roller sleeve (17), and the driven gears (29) in two adjacent drying units are mutually engaged for transmission, the drying oven is characterized in that a servo speed reducing motor (30) is arranged on the drying oven (17), a driving gear (32) is arranged on a motor shaft (31) of the servo speed reducing motor (30), the driving gear (32) is in meshed transmission with a driven gear (29) in one of the drying units, a hot air circulating fan (33) is arranged at the upper end of the drying oven (17), an air outlet (331) of the hot air circulating fan (33) is communicated with two ends of a fixed pipe (18) in each drying unit through an air outlet pipe (34), an air suction port (332) of the hot air circulating fan (33) is communicated with the inside of the drying oven (17), a rear traction device (35) is arranged on a rack (3) at the rear end of the drying oven (17), and a central winding device (36) is arranged on the rack (3) at the rear end of the rear traction device (35).