CN105128365A - Slitting preparation method suitable for hot-melt pre-impregnated filament - Google Patents

Slitting preparation method suitable for hot-melt pre-impregnated filament Download PDF

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Publication number
CN105128365A
CN105128365A CN201510531819.5A CN201510531819A CN105128365A CN 105128365 A CN105128365 A CN 105128365A CN 201510531819 A CN201510531819 A CN 201510531819A CN 105128365 A CN105128365 A CN 105128365A
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China
Prior art keywords
silk
preimpregnation silk
preimpregnation
prepreg tape
assembly
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CN201510531819.5A
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CN105128365B (en
Inventor
张建宝
赵文宇
王俊锋
郑红飞
张艺萌
李红
孙文文
陈亮
沈登雄
赵从会
强基森
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China Academy of Launch Vehicle Technology CALT
Aerospace Research Institute of Materials and Processing Technology
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China Academy of Launch Vehicle Technology CALT
Aerospace Research Institute of Materials and Processing Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/54Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545Perforating, cutting or machining during or after moulding

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a slitting preparation method suitable for a hot-melt pre-impregnated filament. The slitting preparation method comprises the following steps: in a low-temperature tank ranging from 5 DEG C to the room temperature, uncoiling a pre-impregnated belt with paper back lining and plastic coating by virtue of an uncoiling assembly; after being forcibly cooled, feeding the pre-impregnated belt to an upper cutter and a lower cutter to carry out slitting, wherein the slitting width of the pre-impregnated belt ranges from 4mm to 12 mm; transmitting slit pre-impregnated filaments with coating as wide as the pre-impregnated belt to a coiling assembly, and fitting plastic coating with width greater than those of the pre-impregnated filaments with the pre-impregnated filaments with coating as wide as the plastic coating; and finally, winding, according to a fixed line shape, the pre-impregnated filaments with upper and lower layers of plastic coating to a pre-impregnated filament coiling shaft of the coiling assembly. According to the slitting preparation method, in order to solve the problems that a great number of pre-impregnated filaments have roller-sticking, folding, filament-splitting, width-reducing, and the like because of great viscosity in a high-viscosity pre-impregnated filament coiling process, the invention discloses a method for carrying out slitting coiling on the pre-impregnated belt under a low-temperature condition, thereby preventing problems such as knife-sticking, roller-sticking, filament-winding, width-reducing and the like in a pre-impregnated filament slitting process.

Description

A kind of be suitable for sweat connecting silk cut preparation method
Technical field
The invention belongs to technical field of composite material molding, be specifically related to a kind of be suitable for high viscosity preimpregnation silk cut preparation method.
Background technology
Grid rib is that to apply preimpregnation silk at elongate grooves middle berth shaping, and its preimpregnation silk used needs to have high viscosity, so that compacting flattens in forming process.Former preimpregnation silk is solwution method preimpregnation silk, and its preparation process is seriously polluted, open assembly time is long, floor space is large, production efficiency is low; Gel content is high, fluctuation is large and fugitive constituent is high, very easily beats sth. made by twisting in use procedure, is unfavorable for the performance of fibre strength, and cause properties of product to fluctuate large, overall performance declines.And hot melt preimpregnation silk effectively can improve above problem, realize the lifting of component quality.
Hot melt preimpregnation silk is shaping for automatic fiber placement and that grid is shaping raw material.Automatic fiber placement is shaping different with the preimpregnation silk raw material of the shaping employing of grid, its difference is: the preimpregnation silk tentacle viscosity of automatic fiber placement is lower, adjacent prepreg needs heating to stick can to realize good closely sturdy, there is the tow width of standard in piddler preimpregnation silk, is respectively 3.2mm/6.4mm/12.7mm tri-kinds; The shaping hot melt preimpregnation silk of grid needs to possess certain tentacle viscosity, and adjacent preimpregnation silk need not heat just can realize good distortion, and realize closely sturdy, preimpregnation silk width is adjustable between 4mm-12mm.
At present, there is obvious technical problem when at room temperature preparing in the shaping high viscosity preimpregnation silk of grid: preimpregnation silk because of viscosity too high, there is narrowed width, sticky cutter, roll banding cutting, in wrapup procedure, give a discount, split the problems such as silk, existing preparation process is difficult to realize high-quality cutting.Therefore, need to be directed to this kind of high viscosity preimpregnation silk develop a kind of be suitable for high viscosity preimpregnation silk cut preparation method, well cut preparation and parallel rolling with what realize high viscosity preimpregnation silk.
Summary of the invention
The present invention is directed to hot melt high viscosity preimpregnation silk to glue cutter, roll banding, split the problem such as silk, kink, propose a kind of be suitable for high viscosity sweat connecting silk cut preparation method, achieve well cutting and parallel rolling of high viscosity preimpregnation silk.
Of the present invention a kind of be suitable for sweat connecting silk cut preparation method, preimpregnation silk cutting process described in it carries out under low temperature 5 DEG C ~ room temperature, preimpregnation silk dicing process is as follows: (a) is in the cryogenic box of 5 DEG C ~ room temperature, by band paper backing and plastic film coated prepreg tape by unreeling assembly uncoiling, then enter cut assembly prepare cut; B (), in the cryogenic box of 5 DEG C ~ room temperature, band paper backing and plastic film coated prepreg tape are by after second guide roller of cutting assembly, and paper backing is separated; And continue through the cold road of pressure with plastic film coated prepreg tape, preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C by the cold road of pressure; Be sent to upper cutter through forcing cooled prepreg tape and lower cutter place cuts, prepreg tape cuts width at 4mm-12mm; C the preimpregnation silk of the band commensurateiy wide overlay film after cutting is transferred to rolling assembly by (), fitted by width slightly larger than the preimpregnation silk of the plastic film coated of preimpregnation silk width with band commensurateiy wide overlay film; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on the preimpregnation silk spool of rolling assembly by setting is linear.
As above a kind of be suitable for sweat connecting silk cut preparation method, the method concrete steps are as follows: (a) is in the cryogenic box of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft unreeling assembly, through the first guide roller, overlap joint thermal station, enter cut assembly prepare cut; B (), in the cryogenic box of 5 DEG C ~ room temperature, paper backing, after second guide roller of cutting assembly, is separated, paper backing rolling on backing Scroll of separation by band paper backing and plastic film coated prepreg tape; And continue through the cold road of pressure with plastic film coated prepreg tape, force to be cooled to 0 DEG C ~ 5 DEG C to preimpregnation silk in the cold road of pressure; Through forcing cooled prepreg tape through nip rolls, deliver to upper cutter and lower cutter place cuts, prepreg tape cuts width at 4mm-12mm; C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller, is transferred to the preimpregnation silk registration roller place of rolling assembly by (); Width is carried out by wide overlay film spool slightly larger than the plastic film coated of preimpregnation silk width, successively through just locating grooved roller, secondary location grooved roller fitting for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller at grooved roller places, three location, and common transport is located again to location grooved roller, realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool by setting is linear.
What be suitable for sweat connecting silk as above cuts a preparation method, is in tensioned state under tension all the time in its preimpregnation silk cutting process, and preimpregnation silk winding tension scope is 2-100N, the preferred 4-10N of preimpregnation silk winding tension scope.
Of the present invention a kind of be suitable for sweat connecting silk cut preparation method, preimpregnation silk cutting process described in it carries out under low temperature 5 DEG C ~ room temperature, preimpregnation silk dicing process is as follows: (a) is in the cryogenic box of 5 DEG C ~ room temperature, by band paper backing and plastic film coated prepreg tape by unreeling assembly uncoiling, then enter cut assembly prepare cut; B (), in the cryogenic box of 5 DEG C ~ room temperature, band paper backing and plastic film coated prepreg tape, by after second guide roller of cutting assembly, continue through and force cold road, preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C by the cold road of pressure; Be sent to upper cutter through forcing cooled prepreg tape and lower cutter place cuts, prepreg tape cuts width at 4mm-12mm; And paper backing is synchronously peeled off from preimpregnation silk after cutting; C the preimpregnation silk of the band commensurateiy wide overlay film after cutting is transferred to rolling assembly by (), fitted by width slightly larger than the preimpregnation silk of the plastic film coated of preimpregnation silk width with band commensurateiy wide overlay film; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on the preimpregnation silk spool of rolling assembly by setting is linear.
As above a kind of be suitable for sweat connecting silk cut preparation method, the method concrete steps are as follows: (a) is in the cryogenic box of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft unreeling assembly, through the first guide roller, overlap joint thermal station, enter cut assembly prepare cut; B (), in the cryogenic box of 5 DEG C ~ room temperature, band paper backing and plastic film coated prepreg tape, after second guide roller of cutting assembly, continue through and force cold road, forced to be cooled to 0 DEG C ~ 5 DEG C by preimpregnation silk in the cold road of pressure; Through forcing cooled prepreg tape through nip rolls, deliver to upper cutter and lower cutter place cuts, prepreg tape cuts width at 4mm-12mm; And paper backing is synchronously peeled off from preimpregnation silk by hold-down roller traction after cutting, through hold-down roller and the 4th guide roller, the paper backing cutting into preimpregnation silk width is transferred to vacuum suction box suction inlet place, and be temporarily stored in suction box; C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller, is transferred to the preimpregnation silk registration roller place of rolling assembly by (); Width is carried out by wide overlay film spool slightly larger than the plastic film coated of preimpregnation silk width, successively through just locating grooved roller, secondary location grooved roller fitting for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller at grooved roller places, three location, and common transport is located again to location grooved roller, realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool by setting is linear.
What be suitable for sweat connecting silk as above cuts a preparation method, is in tensioned state under tension all the time in its preimpregnation silk cutting process, and preimpregnation silk winding tension scope is 2-100N, the preferred 4-10N of preimpregnation silk winding tension scope.
Effect of the present invention is: the present invention proposes a kind of be suitable for high viscosity preimpregnation silk cut preparation method, achieve well cutting and parallel rolling of high viscosity preimpregnation silk.There is roll banding respectively because viscosity causes greatly for preimpregnation silk a large amount of in high viscosity preimpregnation silk wrapup procedure, give a discount, split the problem such as silk, narrowed width, the present invention proposes a kind of prepreg tape is placed in cryogenic conditions under carry out the method for splitting winding, avoid sticky cutter, roll banding in preimpregnation silk cutting process, twine the problem such as silk, narrowed width.For the preimpregnation silk that viscosity is higher, on the basis of then splitting winding under cryogenic, adopt again and the overlay film that carries of prepreg is not removed, the method of rolling together with the prepreg arrowband after cutting, preimpregnation silk arrowband is made to depend on attachment carrier (narrow film), and possessed certain lateral stiffness, solve roll banding, give a discount, split silk, the problems such as narrowed width, avoid because in preimpregnation silk wrapup procedure, overtension causes the problem of tow width constriction, devise the double-deck structure of film of preimpregnation silk and shorten the overlay film localization method of stroke gradually, achieve the parallel rolling of duplicature interval turriform indentation, solve because high viscosity preimpregnation silk mobility is better, individual layer overlay film easily causes adjacent preimpregnation silk adhesion problems because winding tension is excessive.
Accompanying drawing explanation
Fig. 1 is of the present inventionly suitable for cutting of high viscosity sweat connecting silk and prepares schematic diagram;
In figure: 1. unreel assembly; 2. overlap thermal station; 3. cut assembly; 4. rolling assembly; 5. the first guide roller; 6. the second guide roller; 7. backing Scroll; 8. force cold road; 9. panning shaft; 10. upper cutter; 11. lower cutters; 12. cryogenic boxes; 13. paper backings; 14. vacuum suction boxs; 15. the 3rd guide rollers; 16. preimpregnation silk registration rollers; 17. 2 location grooved rollers; 18. 3 location grooved rollers; 19. preimpregnation silk spools; 20. wide overlay film spools; 21. wide overlay films; 22. prepreg tape unreeling shafts; 23. locate grooved roller for the first time; 24. location grooved rollers; 25. preimpregnation silk spools; 26. hold-down rollers; 27. the 4th guide rollers.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of preparation method that cuts being suitable for sweat connecting silk of the present invention is further described.
Embodiment 1
As shown in Figure 1, of the present invention a kind of be suitable for high viscosity sweat connecting silk cut preparation method, its concrete steps are as follows:
A () be (such as: 5 DEG C, 10 DEG C or 25 DEG C) in the cryogenic box 12 of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft 22 unreeling assembly 1, through the first guide roller 5, overlap joint thermal station 2, enter cut assembly 3 prepare cut;
B () be (such as: 5 DEG C, 10 DEG C or 25 DEG C) in the cryogenic box 12 of 5 DEG C ~ room temperature, with paper backing and plastic film coated prepreg tape after second guide roller 6 of cutting assembly 3, paper backing is separated, paper backing rolling on backing Scroll 7 of separation; And continue through the cold road 8 of pressure with plastic film coated prepreg tape, force to be cooled to 0 DEG C ~ 5 DEG C (such as: 0 DEG C, 3 DEG C or 5 DEG C) to preimpregnation silk in the cold road 8 of pressure; Through forcing cooled prepreg tape through nip rolls 9, deliver to upper cutter 10 and lower cutter 11 place cuts, prepreg tape cuts width 4mm-12mm (such as: 4mm, 8mm or 12mm);
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller 15, is transferred to preimpregnation silk registration roller 16 place of rolling assembly 4 by (); Width is carried out by wide overlay film spool 20 slightly larger than the plastic film coated of preimpregnation silk width, successively through just location grooved roller 23, secondary are located grooved roller 17 and fit for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller 16 at grooved roller 18 place, three location, and common transport is located again to location grooved roller 24, realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool 25 by setting is linear.
All the time be in tensioned state under tension in above-mentioned preimpregnation silk cutting process, preimpregnation silk winding tension scope is 2-100N, and preferred preimpregnation silk winding tension scope is 4-10N.
Embodiment 2
As shown in Figure 1, of the present invention a kind of be suitable for high viscosity sweat connecting silk cut preparation method, its concrete steps are as follows:
A () be (such as: 5 DEG C, 10 DEG C or 25 DEG C) in the cryogenic box 12 of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft 22 unreeling assembly 1, through the first guide roller 5, overlap joint thermal station 2, enter cut assembly 3 prepare cut;
B () be (such as: 5 DEG C, 10 DEG C or 25 DEG C) in the cryogenic box 12 of 5 DEG C ~ room temperature, with paper backing and plastic film coated prepreg tape after second guide roller 6 of cutting assembly 3, continue through and force cold road 8, preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C (such as: 0 DEG C, 3 DEG C or 5 DEG C) in the cold road 8 of pressure; Through forcing cooled prepreg tape through nip rolls 9, deliver to upper cutter 10 and lower cutter 11 place cuts, prepreg tape cuts width 4mm-12mm (such as: 4mm, 8mm or 12mm); And paper backing is drawn by hold-down roller 26 and synchronously peels off from preimpregnation silk after cutting, through hold-down roller 26 and the 4th guide roller 27, the paper backing 13 cutting into preimpregnation silk width is transferred to vacuum suction box 14 suction inlet place, and be temporarily stored in suction box;
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller 15, is transferred to preimpregnation silk registration roller 16 place of rolling assembly 4 by (); Width is carried out by wide overlay film spool 20 slightly larger than the plastic film coated of preimpregnation silk width, successively through just location grooved roller 23, secondary are located grooved roller 17 and fit for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller 16 at grooved roller 18 place, three location, and common transport is located again to location grooved roller 24, realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool 25 by setting is linear.
All the time be in tensioned state under tension in above-mentioned preimpregnation silk cutting process, preimpregnation silk winding tension scope is 2-100N, and preferred preimpregnation silk winding tension scope is 4-10N.

Claims (8)

1. what be suitable for sweat connecting silk cuts a preparation method, it is characterized in that, described preimpregnation silk cutting process carries out under low temperature 5 DEG C ~ room temperature, and preimpregnation silk dicing process is as follows:
(a) in the cryogenic box (12) of 5 DEG C ~ room temperature, by band paper backing and plastic film coated prepreg tape by unreeling assembly (1) uncoiling, then enter cut assembly (3) prepare cut;
B (), in the cryogenic box (12) of 5 DEG C ~ room temperature, band paper backing and plastic film coated prepreg tape are by after second guide roller (6) of cutting assembly (3), and paper backing is separated; And continue through the cold road of pressure (8) with plastic film coated prepreg tape, preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C by the cold road of pressure (8); Be sent to upper cutter (10) through forcing cooled prepreg tape and lower cutter (11) place cuts, prepreg tape cuts width at 4mm-12mm;
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting is transferred to rolling assembly (4) by (), fitted by width slightly larger than the preimpregnation silk of the plastic film coated of preimpregnation silk width with band commensurateiy wide overlay film; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on the preimpregnation silk spool (25) of rolling assembly (4) by setting is linear.
2. according to claim 1 a kind of be suitable for sweat connecting silk cut preparation method, it is characterized in that, the method concrete steps are as follows:
A () is in the cryogenic box (12) of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft (22) unreeling assembly (1), through the first guide roller (5), overlap joint thermal station (2), enter cut assembly (3) prepare cut;
B () is in the cryogenic box (12) of 5 DEG C ~ room temperature, with paper backing and plastic film coated prepreg tape after second guide roller (6) of cutting assembly (3), be separated by paper backing, the paper backing of separation is in the upper rolling of backing Scroll (7); And continue through the cold road of pressure (8) with plastic film coated prepreg tape, force to be cooled to 0 DEG C ~ 5 DEG C to preimpregnation silk in the cold road of pressure (8); Through forcing cooled prepreg tape through nip rolls (9), deliver to upper cutter (10) and lower cutter (11) place cuts, prepreg tape cuts width at 4mm-12mm;
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller (15), is transferred to preimpregnation silk registration roller (16) place of rolling assembly (4) by (); Width is carried out by wide overlay film spool (20) slightly larger than the plastic film coated of preimpregnation silk width, successively through just locating grooved roller (23), secondary location grooved roller (17) fitting for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller (16) at grooved roller (18) places, three location, and common transport is located again to locating grooved roller (24), realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool (25) by setting is linear.
3. according to claim 1 and 2 a kind of be suitable for sweat connecting silk cut preparation method, it is characterized in that, be in tensioned state under tension all the time in preimpregnation silk cutting process, preimpregnation silk winding tension scope is 2-100N.
4. according to claim 3 a kind of be suitable for sweat connecting silk cut preparation method, it is characterized in that, preimpregnation silk winding tension scope is 4-10N.
5. what be suitable for sweat connecting silk cuts a preparation method, it is characterized in that, described preimpregnation silk cutting process carries out under low temperature 5 DEG C ~ room temperature, and preimpregnation silk dicing process is as follows:
(a) in the cryogenic box (12) of 5 DEG C ~ room temperature, by band paper backing and plastic film coated prepreg tape by unreeling assembly (1) uncoiling, then enter cut assembly (3) prepare cut;
B () is in the cryogenic box (12) of 5 DEG C ~ room temperature, with paper backing and plastic film coated prepreg tape by after second guide roller (6) of cutting assembly (3), continue through and force cold road (8), preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C by the cold road of pressure (8); Be sent to upper cutter (10) through forcing cooled prepreg tape and lower cutter (11) place cuts, prepreg tape cuts width at 4mm-12mm; And paper backing is synchronously peeled off from preimpregnation silk after cutting;
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting is transferred to rolling assembly (4) by (), fitted by width slightly larger than the preimpregnation silk of the plastic film coated of preimpregnation silk width with band commensurateiy wide overlay film; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on the preimpregnation silk spool (25) of rolling assembly (4) by setting is linear.
6. according to claim 5 a kind of be suitable for sweat connecting silk cut preparation method, it is characterized in that, the method concrete steps are as follows:
A () is in the cryogenic box (12) of 5 DEG C ~ room temperature, to paper backing and plastic film coated prepreg tape be with from uncoiling the prepreg tape unreeling shaft (22) unreeling assembly (1), through the first guide roller (5), overlap joint thermal station (2), enter cut assembly (3) prepare cut;
B () is in the cryogenic box (12) of 5 DEG C ~ room temperature, with paper backing and plastic film coated prepreg tape after second guide roller (6) of cutting assembly (3), continue through and force cold road (8), preimpregnation silk is forced to be cooled to 0 DEG C ~ 5 DEG C in the cold road of pressure (8); Through forcing cooled prepreg tape through nip rolls (9), deliver to upper cutter (10) and lower cutter (11) place cuts, prepreg tape cuts width at 4mm-12mm; And paper backing is synchronously peeled off from preimpregnation silk by hold-down roller (26) traction after cutting, through hold-down roller (26) and the 4th guide roller (27), the paper backing (13) cutting into preimpregnation silk width is transferred to vacuum suction box (14) suction inlet place, and is temporarily stored in suction box;
C the preimpregnation silk of the band commensurateiy wide overlay film after cutting through the 3rd guide roller (15), is transferred to preimpregnation silk registration roller (16) place of rolling assembly (4) by (); Width is carried out by wide overlay film spool (20) slightly larger than the plastic film coated of preimpregnation silk width, successively through just locating grooved roller (23), secondary location grooved roller (17) fitting for the first time with the preimpregnation silk of the band commensurateiy wide overlay film transmitted by preimpregnation silk registration roller (16) at grooved roller (18) places, three location, and common transport is located again to locating grooved roller (24), realize the overlay film location of wide overlay film and preimpregnation silk thus; Finally the preimpregnation silk with upper and lower two layers of plastic overlay film is wound on preimpregnation silk spool (25) by setting is linear.
7. what a kind of according to claim 5 or 6 was suitable for sweat connecting silk cuts preparation method, and it is characterized in that, be in tensioned state under tension all the time in preimpregnation silk cutting process, preimpregnation silk winding tension scope is 2-100N.
8. according to claim 7 a kind of be suitable for sweat connecting silk cut preparation method, it is characterized in that, preimpregnation silk winding tension scope is 5-15N.
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CN106743961A (en) * 2016-12-28 2017-05-31 苏州培华电子材料有限公司 One kind peels off tape divider
CN107199366A (en) * 2017-06-13 2017-09-26 南京明轮有色金属有限公司 A kind of fastening type magnesium thin slice Scissoring device
CN108943488A (en) * 2017-12-14 2018-12-07 中国航空工业集团公司基础技术研究院 A kind of preparation method of the automatic fiber placement preimpregnation tow of high surface viscosity
CN111573387A (en) * 2020-05-22 2020-08-25 常州新创航空科技有限公司 Automatic preimpregnation material cutting machine of high accuracy
CN111823439A (en) * 2020-06-19 2020-10-27 中航复合材料有限责任公司 Preparation method of ultrathin and ultra-soft prepreg tows for automatic fiber laying
CN112606432A (en) * 2020-11-30 2021-04-06 浙江大学 A tape laying device for combined material preimpregnation area shaping manufacturing
CN113492540A (en) * 2020-03-18 2021-10-12 美津浓科技股份有限公司 Filament winding device, system for manufacturing molded body, and method for manufacturing molded body

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