CN111958682A - Carbon fiber fabric pre-forming and cutting device and processing method - Google Patents
Carbon fiber fabric pre-forming and cutting device and processing method Download PDFInfo
- Publication number
- CN111958682A CN111958682A CN202010744720.4A CN202010744720A CN111958682A CN 111958682 A CN111958682 A CN 111958682A CN 202010744720 A CN202010744720 A CN 202010744720A CN 111958682 A CN111958682 A CN 111958682A
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- carbon fiber
- fiber fabric
- roller
- cutting
- preforming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/384—Cutting-out; Stamping-out using rotating drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The application discloses carbon fiber fabric preforming cutting device and processing method, carbon fiber fabric preforming cutting device includes: this application is through setting up the unreeling roller, the stromatolite roller, preforming cutting roller and carry over pinch rolls, the carry over pinch rolls can drive multiple material and move forward, the stromatolite roller is at multiple material forward movement in-process to multiple material heat pressurization and describe the carbon fiber fabric in order compound formation, the carbon fiber fabric is accomplishing compound and move forward the in-process, preforming cutting roller can cut it and form preforming goods, the carbon fiber fabric is from compound to the process simple and fast that forms preforming goods, and can the continuity of operation, the machining efficiency is improved, and need not to tailor its punching press and secondary when preforming cutting device sets carbon fiber fabric into preforming goods, preforming goods damage has been avoided, the quality of preforming goods has been guaranteed.
Description
Technical Field
The invention belongs to the technical field of composite material forming, and particularly relates to a carbon fiber fabric pre-forming and cutting device and a processing method.
Background
The continuous fiber reinforced resin matrix composite material, especially the continuous carbon fiber reinforced thermosetting composite material, has the characteristics of high specific strength, high specific modulus, corrosion resistance, energy absorption and the like, and is widely applied to the fields of automobiles, rail transit, aerospace and the like.
The existing carbon fiber composite material forming process generally adopts a vacuum assisted forming process (VARI), a resin transfer molding process (RTM), a high-pressure resin transfer molding process (HP-RTM), a wet molding process (WCM) and the like, carbon fiber fabrics are required to be cut and preformed into a certain shape in the forming process, the forming process is complicated and complicated, the forming efficiency is low, in addition, when the carbon fiber fabrics are processed into preformed products after the forming of the existing carbon fiber fabrics, the carbon fiber fabrics are required to be cut along a certain path through a cutter on the carbon fiber fabrics, then the cut fabrics are put on a press to be stamped into the preformed products, the edges of the carbon fiber fabrics are required to be cut for the second time according to the shapes of the preformed products after the stamping to finally prepare the preformed products, the preformed products processed in the stamping mode have large damage to the carbon fibers, and the, and the existing preforming processing mode can not carry out continuous operation, so that the processing efficiency is reduced, and meanwhile, the problems of serious waste of the carbon fiber fabric, high preforming cost and the like are caused by the processing mode.
Disclosure of Invention
Objects of the invention
In order to overcome the defects, the invention aims to provide a carbon fiber fabric preforming and cutting device and a processing method, so as to solve the technical problems that the existing carbon fiber fabric is complicated in forming process, low in forming efficiency, large in damage to carbon fibers during processing of a preformed product after forming, incapable of continuous operation and serious in waste of the carbon fiber fabric.
(II) technical scheme
In order to achieve the above object, one aspect of the present application provides the following technical solutions:
a carbon fiber fabric preform cutting device comprising: the carbon fiber fabric winding and cutting device comprises a plurality of groups of unwinding rollers for winding different materials, two laminating rollers arranged behind the plurality of groups of unwinding rollers and used for heating and pressurizing the materials to compound carbon fiber fabrics, two pre-formed cutting rollers arranged behind the laminating rollers and provided with at least one pair of cutting edges in a concave-convex matching mode on the outer surface, two pre-formed cutting rollers used for cutting the carbon fiber fabrics moving forwards through the cutting edges to form a plurality of pre-formed products in preset shapes, and two traction rollers arranged behind the two pre-formed cutting rollers and used for driving the rim charge of the carbon fiber fabrics completing cutting to move forwards.
This application is through setting up the unreeling roller, the stromatolite roller, preforming cutting roller and carry over pinch rolls, the carry over pinch rolls can drive multiple material and move forward, the stromatolite roller is at multiple material forward movement in-process to multiple material heat pressurization and describe the carbon fiber fabric in order compound formation, the carbon fiber fabric is accomplishing compound and move forward the in-process, preforming cutting roller can cut it and form preforming goods, the carbon fiber fabric is from compound to the process simple and fast that forms preforming goods, and can the continuity of operation, the machining efficiency is improved, and need not to tailor its punching press and secondary when preforming cutting device sets carbon fiber fabric into preforming goods, preforming goods damage has been avoided, the quality of preforming goods has been guaranteed.
In some embodiments, further comprising: power auxiliary device cuts the roller drive connection with preforming, and power auxiliary device can be to preforming and apply the turning force to cutting the roller, makes outside convex sword mouth that cuts cut into more easily in the carbon fiber fabric with cut out the preforming goods, and power auxiliary device has improved the smoothness degree that cuts that the sword mouth cuts to great cutting pressure has guaranteed the roughness at the edge of preforming goods, avoids preforming goods edge production deckle edge or adhesion need carry out the secondary and cuts out.
In some embodiments, the cutting edges are in various shapes, the cutting edges in different shapes are distributed along the length direction of the preformed cutting roller, and preformed products in various shapes can be produced simultaneously by arranging the cutting edges in various shapes, so that the production efficiency and the universality are improved.
In some embodiments, the pre-forming cutting roller is provided with an adjusting mechanism for adjusting the interval between the upper pre-forming cutting roller and the lower pre-forming cutting roller, so that the pre-forming cutting roller can be adapted to carbon fiber fabrics with different thicknesses, and the universality of the pre-forming cutting roller is improved.
In some embodiments, the method further comprises: and the product storage box is arranged behind the preformed cutting roller and is used for containing the preformed products cut off by the preformed cutting roller.
In some embodiments, further comprising: and the edge material collecting box is arranged behind the traction roller and is used for collecting the edge material of the carbon fiber fabric output from the traction roller.
In some embodiments, further comprising: mechanism of rectifying, the mechanism of rectifying includes: the automatic material conveying device comprises a deviation-rectifying guide rail, two movable machine cases in sliding fit with the deviation-rectifying guide rail and a detection device for detecting the positions of the movable machine cases on the deviation-rectifying guide rail, wherein the two movable machine cases are symmetrically arranged and are respectively connected with two ends of an unwinding roller, and the deviation of the direction in the material conveying process can be avoided by arranging a deviation-rectifying mechanism, so that the compounding and cutting accuracy is improved.
On the basis of the carbon fiber fabric preforming and cutting device, the processing method comprises the following steps:
under the traction action of the traction rollers, the plurality of sets of unwinding rollers unwind various materials respectively;
the laminated roller heats and pressurizes the materials in the forward process of the materials to compound the materials into the carbon fiber fabric;
the pre-forming cutting roller cuts the carbon fiber fabric through the modeling cutter in the forward moving process of the carbon fiber fabric, so that a plurality of pre-forming products are formed and fall into the product storage box;
the traction roller drives the carbon fiber fabric to move forwards and outputs the rim charge of the carbon fiber fabric to the rim charge collecting box.
The processing method can cut the carbon fiber fabric to generate the preformed product when the completion is composite to the carbon fiber fabric, the carbon fiber fabric can be continuously operated from the process of compositing to forming the preformed product, the operation is simple and fast, the production efficiency can be improved, the cutting is carried out through the cutting knife edge, the carbon fiber fabric is not required to be punched, the preformed product is prevented from being damaged, and the quality of the generated preformed product is ensured.
In some embodiments, the predetermined temperature to which the laminating roller is heated is 50-80 ℃.
Drawings
FIG. 1 is a schematic view of the construction of a carbon fiber fabric preform cutting device of the present invention.
FIG. 2 is a front view of a pre-form cutting roll of the carbon fiber web pre-form cutting apparatus of the present invention.
FIG. 3 is a top view of the preform trim roll of the carbon fiber web preform trim device of the present invention.
FIG. 4 is a schematic view of the structure of the unwinding roller of the carbon fiber fabric preform cutting device of the present invention.
Reference numerals:
1: unwinding rollers; 2: a laminating roller; 3: a pre-form cutting roll; 301: cutting a knife edge; 302: a power assist device; 4: product storage box, 5: a traction roller; 6: a scrap collecting box; 7: a carbon fiber fabric; 8: moving the chassis; 9: a deviation rectifying guide rail; 10: a detection device; 11: adjusting the slide rail; 12: a tensioning block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1-3, the present invention provides a carbon fiber fabric 7 pre-forming and cutting device, which comprises: the carbon fiber fabric cutting machine comprises a plurality of groups of unwinding rollers 1 for winding different materials, two laminating rollers 2 which are arranged behind the plurality of groups of unwinding rollers 1 and are used for heating and pressurizing the materials to compound a carbon fiber fabric 7, two preformed cutting rollers 3 which are arranged behind the laminating rollers 2 and are provided with at least one pair of cutting edges 301 in a concave-convex matching mode on the outer surface, the two preformed cutting rollers 3 cut the middle part of the carbon fiber fabric 7 which moves forwards through the cutting edges 301 to form a plurality of preformed products with preset shapes, and two traction rollers 5 which are arranged behind the two preformed cutting rollers 3 and are used for driving the rim charge of the carbon fiber fabric 7 which is cut to move forwards.
It is specific, because the outside protrusion of cutting edge 301 and carbon fiber fabric 7 butt when preforming cutting roller 3 rotates, if the pulling force of carry over pinch rolls 5 preshapes cutting roller 3 not enough and is difficult to rotate, cutting edge 301 can't cut into in carbon fiber fabric 7, it is preferred, this application has set up power auxiliary device 302, auxiliary device includes motor and drive belt, the drive belt is connected with motor drive and is connected with one of them preshaping cutting roller 3, when the motor starts, can apply the turning force to carry over pinch rolls 5 through the drive belt, it makes cutting edge 301 cut into smoothly in carbon fiber fabric 7 to drive carry over pinch rolls 5 to rotate. The power assisting device 302 can ensure that the cutting blade 301 can smoothly cut into the carbon fiber fabric 7 and can ensure the edge flatness of the cut preformed product, thereby avoiding the generation of rough edges and improving the product quality.
Specifically, the surface of the laminating roller 2 generates heat to heat a plurality of materials, the upper laminating roller 2 and the lower laminating roller 2 can pressurize the plurality of materials, and the laminating roller 2 compounds the carbon fiber fabric 7 in a heating and pressurizing mode. Specifically, the laminating roller 2 includes: the outer roller, set up the induction coil in the laminated roller 2, through bearing normal running fit between induction coil and the outer roller, the both ends of induction coil set up the conductive slip ring respectively, the temperature sensor of outer roller inner wall intermediate position.
The working principle of the electromagnetic heating roller is as follows: when the coil is energized with alternating current, the magnetic lines of force cut the surface of the roller body, thereby generating heat. When the roller body generates heat in an induction way, the outer surface of the roller body is relatively uniform to receive the cutting of the magnetic lines of force of the electromagnetic field by continuously rotating the roller body.
Preferably, the cutting edges 301 are in various shapes, the cutting edges 301 in different shapes are distributed along the length direction of the preformed cutting roller 3, preformed products in different shapes can be produced simultaneously by arranging the cutting edges 301, and the production efficiency is improved.
Preferably, the cutting lips 301 on both sides of the pre-formed cutting roll 3 are located 2-5cm from the edge of the pre-formed cutting roll 3. Therefore, the area of the carbon fiber fabric 7 can be utilized as much as possible, waste of the carbon fiber fabric 7 is avoided, the remaining rim charge with the edge of 2-5cm can be pulled by the traction roller 6, the whole carbon fiber fabric 7 is driven to move forwards, and the rim charge can be conveyed forwards by the traction roller 6 to be recovered.
Preferably, this application has still set up the mechanism of rectifying to unreeling roller 1, and is specific, unreels roller 1 and installs on the board, and the mechanism of rectifying includes: the device comprises a deviation-rectifying guide rail 9, wherein two movable cases 8 are arranged on the deviation-rectifying guide rail 9, a driving device is arranged in each movable case 8, and a detection device 10, which can be a photoelectric sensor, is arranged on one side of the deviation-rectifying guide rail 9. Specifically, the concrete process of rectifying is: when the direction of the material wound on the unwinding roller 1 deviates, the unwinding roller 1 is driven to move to one side, so that the movable case 8 slides on the deviation-correcting guide rail 9, at the moment, the detection device 10 detects that the position of the movable case 8 moves, and sends a deviation-correcting signal to the controller, so that the movable case 8 drives the unwinding roller 1 to move back to the original position, and deviation correction is realized. Preferably, the detecting device 10 is mounted on the adjusting slide rail 11, and the detecting device 10 slides on the adjusting slide rail 11 to adjust the detecting position.
Preferably, the unwinding roller 1 is provided with an elastically telescopic tensioning block 12, and the tensioning block 12 protrudes outwards to abut against the inner wall of the material to fix the material.
Preferably, the preform cutting roll 3 is provided with an adjusting mechanism, which includes: adjusting screw, adjusting screw install on the mounting bracket of fixed preforming cutting roller 3 and with one of them preforming cutting roller 3 screw-thread fit, adjusting screw's top is provided with the wheel of gripping, when two preforming cutting roller 3's interval about needs, twist adjusting screw through the wheel of gripping for two preforming cutting roller 3 are adjusted to suitable distance.
Preferably, a product storage box 4 is also provided, the product storage box 4 being arranged after the pre-form cutting roll 3 and automatically dropping into the product storage box 4 for storage when the pre-form product is cut.
Preferably, an edge-trim collection box 6 is provided, the edge-trim collection box 6 being located after the drawing roll 5 for collecting the edge trim of the carbon fiber fabric 7 delivered from the drawing roll 5.
On the other hand, the application provides a processing method of the carbon fiber fabric 7, based on the above pre-forming cutting device of the carbon fiber fabric 7, the processing method comprises the following steps:
under the traction action of the traction roller 5, the plurality of sets of unwinding rollers 1 respectively unwind various materials;
the laminating roller 2 heats and pressurizes the materials in the forward process of the materials to compound the materials into a carbon fiber fabric 7;
the pre-forming cutting roller 3 cuts the carbon fiber fabric 7 through the shaping cutter in the forward moving process of the carbon fiber fabric 7, so that a plurality of pre-forming products are formed and fall into the product storage box 4;
the pulling roll 5 outputs the edge trim of the carbon fiber web 7 to the edge trim collecting box 6 while driving the carbon fiber web 7 to move forward.
Specifically, the heating temperature of the laminating roller 2 is set to be 50-80 ℃, and the heating temperature of 50-80 ℃ can avoid the performance damage of high temperature to the fiber fabric 7 while ensuring the composite effect.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A carbon fiber fabric preform cutting device, comprising: the multi-group unwinding roller (1) that is used for around rolling up different materials sets up in the multigroup be used for behind the unwinding roller (1) with multiple the material heats and pressurizes with two stromatolite rollers (2) of compounding into carbon fiber fabric (7), set up and be in the unsmooth cooperation of surface behind stromatolite roller (2) is provided with two preforming cutting rollers (3) of at least a pair of cutting edge (301), two preforming cutting roller (3) are passed through cutting edge (301) is to the forward movement carbon fiber fabric (7) carry out to become the preforming goods that form a plurality of predetermined shapes, set up two be used for after the preforming cutting roller (3) drive the back two carry over pinch rolls (5) of the rim charge forward movement of carbon fiber fabric (7).
2. The carbon fiber fabric preform cutting device of claim 1, further comprising: and the power auxiliary device (302) is in driving connection with the preformed cutting roller (3) and is used for applying a rotating force to the preformed cutting roller (3) to enable a cutting knife edge (301) to cut into the carbon fiber fabric (7) so as to cut out the preformed product.
3. Carbon fiber fabric preform cutting device according to claim 1 or 2, wherein the cutting edges (301) are of various shapes, the cutting edges (301) of different shapes being arranged along the length direction of the preform cutting roll (3).
4. The carbon fiber fabric preform cutting device according to claim 1, wherein an adjusting mechanism for adjusting the interval between the upper and lower preform cutting rollers (3) is arranged on the preform cutting roller (3).
5. The carbon fiber fabric preform cutting device of any one of claims 1-2 and 4, further comprising: a product storage box (4) arranged behind the pre-shaped cutting roller (3) and used for containing the pre-shaped product cut by the pre-shaped cutting roller (3).
6. The carbon fiber fabric preform cutting device of any one of claims 1-2 and 4, further comprising: and the edge material collecting box (6) is arranged behind the traction roller (5) and is used for collecting the edge material of the carbon fiber fabric (7) output from the traction roller (5).
7. The carbon fiber fabric preform cutting device of claim 1, further comprising: mechanism of rectifying, the mechanism of rectifying includes: the automatic winding and unwinding device comprises a deviation-rectifying guide rail (9), two movable machine boxes (8) in sliding fit with the deviation-rectifying guide rail (9) and a detection device (10) for detecting the positions of the movable machine boxes (8) on the deviation-rectifying guide rail (9), wherein the two movable machine boxes (8) are symmetrically arranged and are respectively connected with two ends of the unwinding roller (1).
8. A method for processing a carbon fiber fabric based on the carbon fiber fabric (7) pre-forming cutting device of any one of the claims 1 to 7, characterized in that the method comprises the following steps:
under the traction action of the traction roller (5), the plurality of sets of unwinding rollers (1) unwind various materials respectively;
the laminating roller (2) heats and pressurizes the materials in the forward process of the materials to compound the materials into a carbon fiber fabric (7);
the pre-forming cutting roller (3) cuts the carbon fiber fabric (7) through the shaping cutter in the forward moving process of the carbon fiber fabric (7) to form a plurality of pre-forming products and fall into the product storage box (4);
the traction roller (5) outputs the rim charge of the carbon fiber fabric (7) to the rim charge collecting box (6) while driving the carbon fiber fabric (7) to move forwards.
9. The process according to claim 8, characterized in that the predetermined temperature at which the lamination roller (2) is heated is 50-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744720.4A CN111958682A (en) | 2020-07-29 | 2020-07-29 | Carbon fiber fabric pre-forming and cutting device and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744720.4A CN111958682A (en) | 2020-07-29 | 2020-07-29 | Carbon fiber fabric pre-forming and cutting device and processing method |
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| CN111958682A true CN111958682A (en) | 2020-11-20 |
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| CN202010744720.4A Pending CN111958682A (en) | 2020-07-29 | 2020-07-29 | Carbon fiber fabric pre-forming and cutting device and processing method |
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| CN108673996A (en) * | 2018-07-17 | 2018-10-19 | 宁波伯骏智能科技有限公司 | A kind of fabric enhancing composite board production equipment and method |
| CN210099079U (en) * | 2019-05-28 | 2020-02-21 | 巨石集团有限公司 | Shearing device for copper strip of conductive copper bar |
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| US20010023740A1 (en) * | 1998-04-28 | 2001-09-27 | Frendle Steven Kenneth | Method and apparatus for die cutting and making laminate articles |
| US20050067105A1 (en) * | 2003-07-29 | 2005-03-31 | Beaudry Wallace J. | Method and apparatus for die cutting a web |
| CN102452209A (en) * | 2010-11-02 | 2012-05-16 | 辽宁杰事杰新材料有限公司 | Production equipment for continuous fiber reinforced thermoplastic structural panel |
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