CN202037880U - Production device for carbon fiber reinforced composite material workpiece - Google Patents
Production device for carbon fiber reinforced composite material workpiece Download PDFInfo
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- CN202037880U CN202037880U CN2011200456800U CN201120045680U CN202037880U CN 202037880 U CN202037880 U CN 202037880U CN 2011200456800 U CN2011200456800 U CN 2011200456800U CN 201120045680 U CN201120045680 U CN 201120045680U CN 202037880 U CN202037880 U CN 202037880U
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Abstract
The utility model discloses a production device for carbon fiber reinforced composite material workpiece, belonging to the field of composite material forming and processing. The production device comprises a die frame, an upper die part and a lower die part, wherein the lower die part comprises a prefabricated laminated sheet, a lower die, a lower die heating element A and a lower die heating element B, a heat insulation pad B, a lower die fixing plate and a lower die base plate; the upper die part comprises an upper die base plate, a heat insulation pad A, an upper die fixing plate, an upper die, a scrap cut-off side blade A and a scrap cut-off side blade B, an upper die heating element A and an upper die heating element B, a connecting bolt A and a connecting bolt B, a spring A and a spring B, a punching male die and a spring C. The production device effectively reduces or avoids the processing requirement of the existing forming process on the subsequent milling and drilling of carbon fiber reinforced composite material workpiece difficult to process, improves the forming efficiency and workpiece surface quality, lowers the equipment requirement and the production cost, and is especially applicable to the production of carbon fiber reinforced composite material workpiece with large dimension.
Description
Technical field
The utility model belongs to composite material forming and manufacture field, relates to a kind of carbon fibre reinforced composite member manufacturing installation, be applicable to carbon fibre reinforced composite (CFRP) covering and structural member moulding, process integrated manufacturing.
Background technology
In recent years, along with the soaring of crude oil price and urgent day by day to environmental requirement, utilize the lightweight of various carbon fibre reinforcement implementation structure also to have broad application prospects in civilian industry fields such as the automobile except that Aero-Space, boats and ships to improve fuel economy.Carbon fibre reinforcement (CFRP) proportion is less than 1/4 of steel, tensile strength but is about 7.9 times of steel, tensile modulus of elasticity is also than steel height, compare with metal material have lightweight, high rigidity, high strength, highly anti-fatigue performance, wear-resisting, corrosion-resistant, high temperature resistant, advantage such as antivibration absorbing performance is good, in addition because its thermal coefficient of expansion is little, the good product of easier acquisition dimensional stability has become one of desirable lightweight material of each big car manufactures first-selection.
The existing method that can be used for carbon fibre reinforcement automobile body covering piece, structural member manufacturing mainly contains: hot compression molding technology, resin transfer molding technology (Resin Transfer Molding) and the vacuum resin Infiltration Technics (Vacuum Assisted Resin Transfer Molding) that grows up on this basis.When being used for the large-scale part moulding, though hot compression molding technology is simple, but because the investment of required hot-press forming device is high, energy consumption is big, so manufacturing cost height [carbon fibre reinforced composite moulding intermediate materials and forming method thereof, application number 200710180971.9]; Though and resin transfer molding technology and vacuum resin Infiltration Technics belong to low-cost mold closing manufacturing process, but need large complicated resin metering, injection device, need meticulous, complicated resin flow channel design, in addition in order to satisfy abundant, the evenly requirement of impregnation of carbon fibers preform of resin, need certain insulation, dwell time, add necessary cure cycle, make process cycle lengthening [resin transfer moulding device and resin transfer moulding method, the application number 200780028033.5 of the moulding of large-scale CFRP product; RTM forming method and device, application number 200580005211.3].
In addition,, behind curing molding, need carry out multiple working procedures such as deburring, boring toward contact and could assemble use with carbon fibre reinforcement (CFRP) member of above-mentioned technological forming.And carbon fibre reinforcement (CFRP) belongs to typical difficult-to-machine material, hardness height, rigidity are big, be difficult to after the moulding carry out deburring and punching processing with traditional punching process, existing milling and drilling technique exist again that required cutting force is big, cutting temperature is high, tool wear is violent, and in the working angles because carbon fiber break tear, problem such as chip curling winding and influence machined surface quality [a kind of ceramic bit of drill for high-speed composite, application number 200810134628; Integral carbide goldfish scale milling cutter, application number 200910013142].
Take all factors into consideration above-mentioned several respects factor, the utility model discloses a kind of low cost that is used for the carbon fibre reinforced composite member, high efficiency, processing and forming integration system manufacturing apparatus, be intended to by behind the resin infusion forming, hygrometric state punching process before solidifying, finish the deburring of product inside and outside contour, the cut-out processing of punching and deburring waste material, farthest reduce and avoid follow-up milling and the drilling processing request of existing moulding process, effectively shortened the processing and forming cycle difficulty processing carbon fibre reinforced composite member, improve the surface quality of product, reduction is to the instructions for use and the manufacturing cost of equipment and device.Be particularly useful for the manufacturing of large-scale carbon fibre reinforced composite member.
Summary of the invention
Technical problem to be solved in the utility model is to reduce difficulty processing carbon fibre reinforcement is carried out the dependence of machining processes such as milling, boring and to the influence of surface quality, part performance, realizes that low cost, the high efficiency of forming of carbon fibre reinforced composite member processed integrated manufacturing.For achieving the above object, the technical scheme that the utility model adopted is:
The device that is used for the manufacturing of carbon fibre reinforced composite member that is provided is made of mould bases, part of the upper die and part of the lower die, mainly comprises: guide pillar, guide pin bushing, die shank, upper clamping plate, heat insulating mattress A, upper mould fixed plate, patrix, waste material cut off side edge, patrix heating element heater, attachment screw, piercing punch, laminated sheet, counterdie, counterdie heating element heater, heat insulating mattress B, counterdie fixed head, counterdie seat board, supporting screw, spring etc.
Wherein, upper clamping plate and counterdie seat board constitute basic mould bases by guide pillar, guide pin bushing guiding, by die shank the part of the upper die are connected with punch press, by the counterdie seat board part of the lower die are fixed on the platen.The part of the lower die mainly comprises prefabricated laminated sheet, counterdie, counterdie heating element heater, heat insulating mattress B, counterdie fixed head, counterdie seat board.Counterdie is a punch, has the profile identical with molding structure spare interior surface features; Offer vertical through hole on the forming convax mould of counterdie, the through hole outer rim is the punching concave die cutting edge; The outer rim of counterdie is step-like, and step top offers at die cavity knuckle place and vacuumizes suction hole, and there is cutting edge outer rim end, step top, is the counterdie trimming edge; The step bottom radially is provided with waste material and cuts off narrow groove; Vertical stepped hole is offered in the counterdie bottom surface, is provided with the counterdie heating element heater in the stepped hole; Be provided with heat insulating mattress B between counterdie bottom surface and counterdie fixed head; Described counterdie fixed head is provided with not three counter sinks on same straight line, settles flexible supporting frames in the counter sink; Described flexible supporting frames comprises supporting screw and spring, and wherein supporting screw is placed in the counter sink of counterdie fixed head, and spring housing constitutes flexible supporting frames on supporting screw.
The part of the upper die comprises that mainly upper clamping plate, heat insulating mattress A, upper mould fixed plate, patrix, waste material cut off side edge, patrix heating element heater, attachment screw, piercing punch, spring etc.; Patrix is a die, has the die cavity identical with molding structure spare outer surface features; Offer on the patrix and the corresponding vertical stepped hole of institute's punching size shape, settle spring in the stepped hole, settle piercing punch in the spring, the spring upper end props up the tail end of piercing punch; The outward flange of patrix has cutting edge, and promptly the patrix trimming edge cooperates deburring with the counterdie trimming edge of counterdie step top edge; The patrix outer perimeter is vertically slotted, and is bumped into waste material in the groove and cuts off side edge, and waste material cuts off side edge and waste material on the counterdie outer rim lower step and cuts off the shearing that matches of narrow groove; The patrix die body is provided with stepped hole around the die cavity profile, the patrix heating element heater is set in the stepped hole; Patrix is offered uniform screw thread stepped hole along periphery, settles spring in the screw thread stepped hole, and stepped hole, spring that attachment screw passes on the upper mould fixed plate make upper mould fixed plate be connected with patrix elasticity; Upper mould fixed plate is provided with counterbore, settles the flange step of piercing punch in the counterbore; Be provided with heat insulating mattress A between upper mould fixed plate and upper clamping plate.
The utility model provides a kind of manufacturing installation of carbon fibre reinforced composite member, and its beneficial effect is the integrated manufacturing that (1) has realized high strength, lightweight carbon fibre reinforced composite molding component, processing, curing; (2) shear the stamping-out technology generation for machining processes such as the follow-up milling of tradition infiltration and RTM technology, borings with hygrometric state, reduced to carbon fiber in the difficulty processing carbon fibre reinforced composite machining process tear, defective such as layering is to the influence of product surface quality and assembling, serviceability, significantly improved the production efficiency of product; (3) on common stamping machine, can heat by using, the temperature control mould, be equipped with vavuum pump and can realize continuous production, the equipment needed thereby investment is little, and production cost is low.
Description of drawings
Fig. 1 is a carbon fibre reinforced composite member manufacturing installation overall construction drawing.
Fig. 2 is the counterdie structural representation.
Fig. 3 is the patrix structural representation.
Fig. 4 is that prefabricated laminated sheet constitutes schematic diagram.
Fig. 5 is a laminated sheet flexible supporting frames structural representation.
Fig. 6 coats counterdie forming surface schematic diagram for laminated sheet.
Fig. 7 pastes the mold forming schematic diagram for laminated sheet.
Among the figure: 1, guide pillar A, 2, guide pin bushing A, 3, die shank, 4, upper clamping plate, 5, heat insulating mattress A, 6, upper mould fixed plate, 7, guide pin bushing B, 8, spring A, 9, patrix heating element heater A, 10, patrix, 11, waste material cuts off side edge A, 12, spring D, 13, supporting screw, 14, guide pillar B, 15, attachment screw A, 16, counterdie, 17, counterdie heating element heater A, 18, piercing punch, 19, spring C, 20, counterdie heating element heater B, 21, laminated sheet, 22, attachment screw B, 23, heat insulating mattress B, 24, the counterdie fixed head, 25, the counterdie seat board, 26, supporting screw B, 27, spring E, 28, waste material cuts off side edge B, 29, patrix heating element heater B, 30, spring B, 31, suction hole, 32, the punching concave die cutting edge, 33, stepped hole, 34, waste material cuts off narrow groove, 35, the counterdie trimming edge, 36, the screw thread stepped hole, 37, stepped hole, 38, the piercing punch installing hole, 39, the patrix trimming edge, 40, the vacuum bag film, 41, the matrix resin sheet, 42, carbon fiber strengthens sheet material.
The specific embodiment
Below in conjunction with accompanying drawing, the description by to embodiment is elaborated to the technical solution of the utility model.
The manufacturing installation general structure of related carbon fibre reinforced composite member as shown in Figure 1 in the present embodiment, constitute by mould bases, upper die and lower die three parts, wherein upper clamping plate 4 leads by guide pillar 1, guide pin bushing 2 and guide pillar 14, guide pin bushing 7 with counterdie seat board 25, constitute basic mould bases, by die shank 3 part of the upper die is connected with punch press, by counterdie seat board 25 part of the lower die is fixed on the platen, also can adopt the guide plate guiding for large-scale product, and upper mould fixed plate directly is connected with press ram.
The part of the lower die is made up of laminated sheet 21, counterdie 16, counterdie heating element heater 17, counterdie heating element heater 20, heat insulating mattress B23, counterdie fixed head 24, counterdie seat board 25, supporting screw 13, supporting screw 26, spring C12, spring D27.Wherein the structure of counterdie 16 has the profile identical with molding structure spare interior surface features as shown in Figure 2, is forming convax mould; Offer vertical through hole on the forming convax mould of counterdie, the through hole outer rim is a punching concave die cutting edge 32; The counterdie outer rim is step-like, and step top offers at die cavity knuckle place and vacuumizes suction hole 31, and step top outer rim has cutting edge, is counterdie trimming edge 35; The step bottom radially is provided with waste material and cuts off narrow groove, and the waste material on patrix 10 cuts off side edge A11 and waste material cuts off the cut-out processing that side edge B28 finishes the deburring waste material; Vertical stepped hole 37 is offered in the counterdie bottom surface, is provided with counterdie heating element heater A17 and counterdie heating element heater B20 in the stepped hole 37; 24 of counterdie 16 and counterdie fixed heads are provided with heat insulating mattress B23; Counterdie fixed head 24 is provided with not three counter sinks on same straight line, settles flexible supporting frames in the counter sink; Flexible supporting frames is made of supporting screw and spring, wherein supporting screw A13 and supporting screw B26 are placed in the corresponding counter sink of counterdie fixed head 24, spring D12 and spring E27 are enclosed within supporting screw A13 respectively and supporting screw B26 goes up the formation flexible supporting frames, places prefabricated laminated sheet 21 on the flexible supporting frames.
The part of the upper die cuts off side edge A11 and waste material by upper clamping plate 4, heat insulating mattress A5, upper mould fixed plate 6, patrix 10, waste material and cuts off side edge B28, patrix heating element heater A9 and patrix heating element heater B29, attachment screw A15 and attachment screw B22, spring A8 and spring B 30, piercing punch 18, spring C19 and form.Wherein patrix 10 is a molding concave die, the structure of patrix 10 as shown in Figure 3, patrix 10 has the die cavity identical with molding structure spare outer surface features; Offer on the patrix 10 and the corresponding vertical stepped hole of institute's punching size shape, promptly the piercing punch installing hole 38, settle spring C19 in the piercing punch installing hole 38, settle piercing punch 18 among the spring C19, and spring C19 upper end props up the tail end of piercing punch 18; The outward flange of patrix 10 has cutting edge, and promptly the patrix trimming edge 39, and patrix trimming edge 39 cooperates with the counterdie trimming edge 35 of counterdie step top edge finishes the outer rim trim process; Patrix 10 outer perimeter are vertically slotted, be bumped into waste material in the groove and cut off side edge A11 and waste material cut-out side edge B28, waste material cuts off side edge A11 and waste material and cuts off side edge B28 and waste material on the counterdie 16 outer rim lower step and cut off the shearing that matches of narrow groove 34, finishes the cut-out of deburring waste material and processes; Patrix 10 is provided with stepped hole 37 around the die cavity profile, patrix heating element heater A9 and patrix heating element heater B29 are set in the stepped hole 37; Patrix is offered uniform screw thread stepped hole 36 along periphery, settle spring A and spring B in the screw thread stepped hole 36, attachment screw A makes upper mould fixed plate 6 be connected with patrix 10 elasticity with stepped hole, spring A8 and spring B 30, screw thread stepped hole 36 that attachment screw B passes on the upper mould fixed plate; Upper mould fixed plate 6 is provided with vertical stepped hole, vertically settles the attachment screw A15 and the attachment screw B22 of upper mould fixed plate 6 and patrix 10 in the stepped hole; Upper mould fixed plate 6 is provided with counterbore, settles the flange step of piercing punch 18 in the counterbore; Be provided with heat insulating mattress A5 between upper mould fixed plate 6 and the upper clamping plate 4.
Use the manufacture method of above-mentioned carbon fibre reinforced composite member manufacturing installation, comprise following process:
(A) prefabricated laminated sheet 21.By required specification, shape matrix resin sheet 41 and carbon fiber enhancing sheet material 42 are replaced lay to desired thickness, and at heat-resisting, the pliable and tough vacuum bag film 40 of the superiors' lay, finish the prefabricated of laminated sheet 21, the formation of laminated sheet 21 as shown in Figure 4, described matrix resin sheet adopts E51/BF3-400 system high-performance solid epoxy resin film, it can be the prepreg that unidirectional carbon fiber dimension shop layer forms that carbon fiber strengthens sheet material, also can be the carbon fiber woven cloth and the three-dimensional braid of various weavy grains; Vacuum bag film 40 adopts operating temperature to reach 199 Kapp dragon 12LL series vacuum bag film.
(B) molding plane to patrix 10, counterdie 16 applies Xtend 840 semi-permanent mould releasing agents respectively, then laminated sheet 21 is placed on the flexible supporting frames, the resiliency supported shelf structure is used counterdie heating element heater A17 and counterdie heating element heater B20 as shown in Figure 5 then, and counterdie 16 is heated to
, counterdie 16 is heated to laminated sheet 21 by heat exchange pattern softening, makes laminated sheet 21 fall gradually, break away from and supports and coating counterdie 16, as shown in Figure 6.
(C) be evacuated to 0.2MPa with the suction hole of vavuum pump by counterdie 16, make laminated sheet 21 further sticking film formings, as shown in Figure 7, the temperature with counterdie 16 is increased to then
And insulation 10min, make matrix resin abundant impregnation of carbon fibers under suction function strengthen sheet material.
(D) patrix decline matched moulds, in mold pressing simultaneously, patrix trimming edge 39, piercing punch 18 form the stamping-out effect of shearing with counterdie trimming edge 35 and punching concave die cutting edge 32 respectively, simultaneously the waste material on the patrix 10 cut off side edge A11, waste material cut off side edge B28 respectively with counterdie 16 lower flange on the waste material of correspondence position cut off narrow groove 34 and form and shear the stamping-out effects, side cut, punching and the waste material finished before solidifying cut off processing.
(E) open patrix heating element heater A9, patrix heating element heater B29 and counterdie heating element heater A17, counterdie heating element heater B20 simultaneously, the temperature with patrix 10, counterdie 16 is increased to respectively
And insulation, the product behind moulding, the stamping-out is carried out solidifying in the mould.
(F) feed compressed air to counterdie, counterdie heating element heater A17 and counterdie heating element heater B20 are opened in the die sinking pickup of cooling back once more, and counterdie is heated to
, enter next working cycles.
Industrial applicability: the manufacturing installation of carbon fibre reinforced composite member provided by the utility model, resin molding infusion forming, hygrometric state stamping-out and the technology that is heating and curing are combined, behind the resin molding infusion forming, solidify before, finish machining processes such as side cut, punching, waste material cut-out by the hygrometric state stamping-out, after curing, obtain high-strength carbon fiber reinforced composite member, reduce or avoided process for machining requirements such as the milling of solidifying the difficult processing in back CFRP material product, drillings.The utility model makes realizes that light weight, large-scale, complex-shaped carbon fiber strengthen the integrated possibility that creates of covering and structural member, and on common stamping machine, can heat by using, the temperature control mould, be equipped with vavuum pump and can realize continuous production, the equipment needed thereby investment is little, production cost is low, has broad application prospects in lightweight, the manufacturing of new forms of energy vehicle body.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; specific implementation of the present utility model obviously; especially the shape and structure of protruding, the die of mold cavity and punching, institute's useful fiber strengthen sheet material and matrix resin scope, not limited by aforesaid way for the infiltration of different system matrix materials and curing process etc.; as long as the various unsubstantialities that adopted design of the present utility model and technical scheme to carry out improve, all within protection domain of the present utility model.
Claims (2)
1. carbon fibre reinforced composite member manufacturing installation, it is characterized in that, be made of mould bases, part of the upper die and part of the lower die, described part of the lower die comprises prefabricated laminated sheet (21), counterdie (16), counterdie heating element heater A (17) and counterdie heating element heater B(20), heat insulating mattress B (23), counterdie fixed head (24), counterdie seat board (25); Described counterdie (16) is a punch, has the profile identical with molding structure spare interior surface features; Offer vertical through hole on the forming convax mould of counterdie (16); The outer rim of counterdie (16) is step-like, and step top offers at die cavity knuckle place and vacuumizes suction hole, and there is cutting edge outer rim end, step top, is the counterdie trimming edge; The step bottom radially is provided with waste material and cuts off narrow groove; Counterdie (16) is gone up and is offered vertical stepped hole from the bottom surface, is provided with counterdie heating element heater A (17) and counterdie heating element heater B(20 in the stepped hole); Be provided with heat insulating mattress B(23 between the bottom surface of counterdie (16) and counterdie fixed head (24)); Described counterdie fixed head (24) is provided with not three counter sinks on same straight line, settles flexible supporting frames in the counter sink;
Described part of the upper die comprises that upper clamping plate (4), heat insulating mattress A (5), upper mould fixed plate (6), patrix (10), waste material cut off side edge A(11) and waste material cut-out side edge B (28), patrix heating element heater A (9) and patrix heating element heater B (29), attachment screw A (15) and attachment screw B(22), spring A (8) and spring B (30), piercing punch (18), spring C (19); Described patrix (10) is a die, has the die cavity identical with molding structure spare outer surface features; Offer on the patrix (10) and the corresponding vertical stepped hole of institute's punching size shape, settle spring C (19) in the stepped hole, settle piercing punch (18) among the spring C (19), spring C (19) upper end props up the tail end of piercing punch (18); The outward flange of patrix (10) has cutting edge, is the patrix trimming edge, cooperates deburring with the counterdie trimming edge of counterdie (16) step top edge; Patrix (10) outer perimeter is vertically slotted, be bumped into waste material in the groove and cut off side edge A(11) and waste material cut off side edge B (28), waste material cuts off side edge A(11) and waste material cut-out side edge B (28) and waste material on counterdie (16) the outer rim lower step cut off the shearing that matches of narrow groove; Around the die cavity profile, be provided with stepped hole on the die body of patrix (10), patrix heating element heater A (9) and patrix heating element heater B (29) are set in the stepped hole; Patrix (10) is offered uniform screw thread stepped hole along periphery, settle spring A (8) and spring B (30) in the screw thread stepped hole, attachment screw A (15) and attachment screw B(22) stepped hole, spring A (8) and the spring B (30) of passing on the upper mould fixed plate (6) make upper mould fixed plate (6) be connected with patrix (10) elasticity; The bottom surface of upper mould fixed plate (6) is provided with counterbore, settles the flange step of piercing punch (18) in the counterbore; Be provided with heat insulating mattress A (5) between upper mould fixed plate (6) and upper clamping plate (4).
2. the carbon fibre reinforced composite member manufacturing installation described in claim 1 is characterized in that, described flexible supporting frames comprises supporting screw A (13), supporting screw B(26), spring D (12) and spring E (27); Wherein supporting screw A (13) and supporting screw B(26) be placed in the counter sink of counterdie fixed head (24), spring D (12) and spring E (27) are enclosed within supporting screw A (13) and supporting screw B(26 respectively) on, constitute flexible supporting frames.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200456800U CN202037880U (en) | 2011-02-24 | 2011-02-24 | Production device for carbon fiber reinforced composite material workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200456800U CN202037880U (en) | 2011-02-24 | 2011-02-24 | Production device for carbon fiber reinforced composite material workpiece |
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| CN202037880U true CN202037880U (en) | 2011-11-16 |
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| CN2011200456800U Expired - Fee Related CN202037880U (en) | 2011-02-24 | 2011-02-24 | Production device for carbon fiber reinforced composite material workpiece |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173060A (en) * | 2011-02-24 | 2011-09-07 | 江苏大学 | Device and method for manufacturing carbon fiber reinforced composite construction member |
| CN103837422A (en) * | 2014-02-27 | 2014-06-04 | 大连理工大学 | Experimental device for cutting off carbon fiber composite material |
| CN103950212A (en) * | 2014-03-11 | 2014-07-30 | 中航复合材料有限责任公司 | Molding device and molding method for T-shaped composite material stringer blank |
| CN104385632A (en) * | 2014-11-18 | 2015-03-04 | 南通久盛新材料科技有限公司 | Guiding pultrusion mold for I-shaped glass fiber reinforced plastic sectional material |
| CN104827680A (en) * | 2015-04-08 | 2015-08-12 | 奇瑞汽车股份有限公司 | Protective casing of electric automobile-mounted cell and preparation method thereof |
| CN109798941A (en) * | 2019-03-14 | 2019-05-24 | 上海交通大学 | CFRP die forming and CFRP/ metallic composite panel single step co-curing shape test device |
| CN113510946A (en) * | 2021-04-20 | 2021-10-19 | 济南大学 | Carbon fiber composite material molding press |
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2011
- 2011-02-24 CN CN2011200456800U patent/CN202037880U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173060A (en) * | 2011-02-24 | 2011-09-07 | 江苏大学 | Device and method for manufacturing carbon fiber reinforced composite construction member |
| CN102173060B (en) * | 2011-02-24 | 2014-04-09 | 江苏大学 | Device and method for manufacturing carbon fiber reinforced composite construction member |
| CN103837422A (en) * | 2014-02-27 | 2014-06-04 | 大连理工大学 | Experimental device for cutting off carbon fiber composite material |
| CN103950212A (en) * | 2014-03-11 | 2014-07-30 | 中航复合材料有限责任公司 | Molding device and molding method for T-shaped composite material stringer blank |
| CN103950212B (en) * | 2014-03-11 | 2016-01-20 | 中航复合材料有限责任公司 | The forming frock of a kind of T-shaped composite long purlin blank and forming method |
| CN104385632A (en) * | 2014-11-18 | 2015-03-04 | 南通久盛新材料科技有限公司 | Guiding pultrusion mold for I-shaped glass fiber reinforced plastic sectional material |
| CN104827680A (en) * | 2015-04-08 | 2015-08-12 | 奇瑞汽车股份有限公司 | Protective casing of electric automobile-mounted cell and preparation method thereof |
| CN109798941A (en) * | 2019-03-14 | 2019-05-24 | 上海交通大学 | CFRP die forming and CFRP/ metallic composite panel single step co-curing shape test device |
| CN113510946A (en) * | 2021-04-20 | 2021-10-19 | 济南大学 | Carbon fiber composite material molding press |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140224 |