CN1242111C

CN1242111C - Special apparatus for back screen hot-forming carbon fibre sheet

Info

Publication number: CN1242111C
Application number: CN 03108748
Authority: CN
Inventors: 申屠年
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-26
Filing date: 2003-03-26
Publication date: 2006-02-15
Anticipated expiration: 2023-03-26
Also published as: CN1451798A

Abstract

The present invention relates to a special apparatus for a carbon fiber sheet material, particularly to a special apparatus for a back screen hot-pressing forming carbon fiber sheet material, which belongs to the forming technology of the carbon fiber sheet material. The special apparatus for a back screen hot-pressing forming carbon fiber sheet material comprises a carbon fiber filament bundle crowded positioning carding device, a back screen conveyer, a hot-pressing forming device, a finished product coiling device and a plurality of gap bridge rollers, wherein the hot-pressing forming device comprises two hot-pressing rollers with identical size and shape, a clearance is formed between the two hot-pressing rollers, a chain wheel is used for driving the two rollers to oppositely rotate, and the clearance of the two hot-pressing rollers is regulated according to the thickness of the carbon fiber sheet material; the back screen conveyer is divided into two paths, and the two paths are respectively arranged on upper and lower rims having definite distance with the hot-pressing rollers. The special apparatus for a back screen hot-pressing forming carbon fiber sheet material has simple structure and simplifies the forming process of advanced composite materials, the production cost of a product is greatly reduced, and the product can be permanently stored at normal temperature.

Description

The special equipment of the hot-forming carbon fiber plate of back of the body net

Technical field:

The present invention relates to the forming technique of carbon fiber, especially refer to the moulding special equipment of carbon fiber plate.

Technical background:

Carbon fiber is the most excellent, the purposes of performance one of reinforcing material the most widely in the present advanced composite material.How to make carbon fiber be in the typing state of even distribution, height-oriented and straight arrangement, become easy to use, non-recoverable storage and new material with low cost, be still and utilize and bring into play its intensity, modulus properties to greatest extent, realize the key point of composite cost degradation.With the immediate technology of the present invention be the carbon fiber prepreg forming technique.This technology be with height-oriented, be arranged in parallel within the carbon fibre tow that hot setting latency resin matrix (or being clipped on the glued membrane) is crossed in preimpregnation in the release liners holder, after the exhibition of grinding flattens, heat, batch finished product with release liners at last to the typing state of pre-impregnation semi-solid preparation.Therefore, this forming technique is the specification requirement height not only, the device structure complexity.Invest hugely, technology difficulty is big, the manufacturing cost height, and also its prepreg must remain under the deepfreeze condition and store, and only be the several months storage period; Simultaneously, must under hot conditions, could solidify during use.Therefore, prepreg can not be produced in a large number, also can't long term storage, and production, storage cost costliness, condition of cure and cost are also very high, can only be confined to the application of high value added products such as Aero-Space, high-grade sports equipment.

Summary of the invention:

The objective of the invention is to overcome above deficiency and provide that a kind of moulding is simple, cost is low and can makes a kind of special equipment of carrying on the back the hot-forming carbon fiber plate of net of quick, large batch of production of carbon fiber plate and non-recoverable storage.

The present invention is achieved by the following technical solution: this equipment is made up of location carding apparatus, back of the body network transmission device, heat pressing forming device, finished product batching apparatus and some gap bridge rollers of carbon fibre tow cluster; The location carding apparatus of described carbon fibre tow cluster is arranged in order to gap bridge roller, concertina type spacing reed, guide-localization reed, itemize strand roller, traction roller, gap bridge roller at a certain distance, forms through guide-localization reed, itemize lease rods by the route of carbon fibre tow cluster process; Described heat pressing forming device is made up of two hot pressing rollers that size shape equates, and gapped between the two hot pressing rollers, drives two rollers by sprocket wheel and rotates in opposite directions, and two hot pressing roller gaps are according to the thickness adjustment of carbon fiber plate; Described back of the body network transmission device divides two-way, is located at the both sides up and down with a certain distance from the hot pressing roller respectively; The guiding reed arranged askew of described guide-localization reed according to flat flat degree of carbon fibre tow and the requirement of carbon fiber plate surface density, is set 30 ° of-60 ° of angles; Described back of the body network transmission device is made up of automatic deviation correction apparatus for displaying and infrared detector, and the automatic deviation correction apparatus for displaying drives screw mandrel, screw mandrel and dolly flat board by reversible electric machine and is connected, and the dolly flat board is connected with the inflatable roller by support; Infrared detector is made up of two groups of infrared probes and fixed mount; Also be provided with tension force measuring roll device between described heat pressing forming device and the finished product batching apparatus.It is made up of the oblique angle bearing support support tension force measuring roll that connects damping piston, and is connected with the signal feedback potentiometer.

The present invention's carbon fibre tow in forming process is done, need not the release liners holder, need not pre-dipping solution, but through the back side up and down height-oriented, the carbon fibre tow cluster that is arranged in parallel, the hot pressing upper surface is stained with the carbon fiber plate that produces the high-orientation unidirectional array behind the back of the body net auxiliary material of hot melt adhesive.This device structure is simple, simplified the moulding process of advanced composite material, the production cost is reduced greatly, and non-recoverable storage at normal temperatures, access is easy to use, realize the cost degradation of advanced composite material, replace traditional material, use at dependency structure reinforcement and strengthenings such as worker China Democratic National Construction Association, bridge, tunnels.Its intensity and modulus are respectively 3750MPa and 265GPa, meet the relevant performance indications and the requirement of Ministry of Construction's " structural strengthening reparation carbon fiber plate " standard (draft).

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of automatic deviation correction apparatus for displaying;

Fig. 2-1 is that the A-A ' of Fig. 2 is to cutaway view;

Fig. 2-2 is the configuration diagram of infrared detector;

Fig. 3 is a tension force measuring roll apparatus structure schematic diagram;

Fig. 4-1, Fig. 4-2 is respectively left and right sides infrared emission, receives the circuit diagram of detector;

Fig. 5 is the automatic deviation correction electrical schematic diagram.

The specific embodiment:

As shown in Figure 1, this equipment is located carbon fibre tow cluster v combing earlier, v is earlier successively through gap bridge roller 1, concertina type spacing reed 10, guide-localization reed 11-1, itemize strand roller 12, traction roller 13-1 Primary Location, the location of v when entering heat pressing forming device for further assurance, v enters heat pressing forming device then through gap bridge roller 2, guide-localization reed 11-2, gap bridge roller 3, itemize lease rods 14 again, when v passes guide-localization reed 11-1,11-2, play the positioning states that v is carded to suitable gradient half overlapping arrangement; Itemize strand roller and itemize lease rods play the effect with v " product " font stacked arrangement or suitable oblique superimposed arrangement respectively.The guiding reed arranged askew of its guide-localization reed can be set 30 ° of-60 ° of scopes according to flat flat degree of carbon fibre tow and the requirement of carbon fiber plate surface density.Heat pressing forming device is to be covered with high temperature resistant, non cohesive gel, high-intensity separation layer working face by a pair of surface, and size, shape equal and opposite in direction, the accurate hot pressing roller 15 that internal structure is identical is formed, external heat exchange distribution circuit 18-1,18-2, gap hand behaviour adjuster.Automatic deviation correction apparatus for displaying 19-1,19-2, be placed on both sides up and down respectively with a certain distance from the hot pressing roller, automatic deviation correction apparatus for displaying 19-1 is placed on the top of hot pressing roller, automatic deviation correction apparatus for displaying 19-2 is placed on the below of hot pressing roller, and two automatic deviation correction apparatus for displaying divide introduces the hot pressing roller from different directions with the hot melt adhesive back of the body net w1, w2.Be provided with gap bridge roller 4 between automatic deviation correction apparatus for displaying 19-1 and the hot pressing roller, be provided with gap bridge roller 9 between automatic deviation correction apparatus for displaying 19-2 and the hot pressing roller.Earlier adjust two hot pressing roller gaps during work according to the thickness requirement of carbon fiber plate, by turnover thermal source pipeline it is heated, drive two rollers by sprocket wheel and rotate (adjustable-speed) in opposite directions, then through automatic deviation correction apparatus for displaying 19-1, the hot melt adhesive back of the body net w1 that 19-2 introduces, w2 be organized into that " product " font is arranged or along clamping about the oblique superimposed v that is arranged in the standard fabric width, press the stone roller aftershaping with the serpentine tendency through the gentleness that adds of two hot pressing rollers, through finished product batching apparatus 17 rolling, also can roll up outsourcing one deck packaging film again by 21 pairs of fibre sheet materials of packaging film delivery device.Be provided with gap bridge roller 8 between packaging film delivery device and the finished product batching apparatus.

Shown in Fig. 1, Fig. 2, Fig. 2-1, Fig. 2-2, automatic deviation correction apparatus for displaying 19-1, infrared detector 20-1 and automatic deviation correction apparatus for displaying 19-2, infrared detector 20-2 are combined into an automatic width of cloth position correction position system device respectively, the automatic deviation correction apparatus for displaying is connected with dolly dull and stereotyped 24 by reversible electric machine 22 drive screw mandrels 23, screw mandrel, and the dolly dry plate connects to form by support 25 and inflatable roller 26; Infrared detector is made up of two groups of infrared probes 27 and fixed mount 28, and these parts are to be specifically designed to broadcast the hot melt adhesive back of the body net w1, w2, have its width of cloth position automatic deviation correction, adjustment and the consistent function in v width of cloth position.

As Fig. 1, shown in Figure 3, the carbon fiber plate z after hot-forming also can pass through traction roller 13-2, tension detecting apparatus 16,, gap bridge roller 5,6,7 enters the finished product batching apparatus.Tension detecting apparatus wherein supports tension force measuring roll 31 by the oblique angle bearing support 30 that connects damping piston 29 to be formed, and is connected with signal feedback potentiometer 32, and the anti-routed potentiometer of signal is instead burst signal to the motor frequency conversion device, thereby changes rotating speed of motor.When working certain volume tension force should be arranged because of the finished product batching apparatus, so the speed of its motor should be regulated according to the size of rolling power, promptly when rolling power is too big, z in the coiling can depress the tension force measuring roll, and drive the oblique angle bearing support rotating certain angle connect together with it, this angular displacement is transformed into the variable signal of a current potential by conversion equipment and instead bursts to the motor frequency conversion device, changes motor speed and makes finished product batching apparatus rolling speed slack-off; And the rolling power of finished product batching apparatus is when reducing, damping cylinder jack-up under the tension force measuring roll, and drive its tension force measuring roll and oblique angle bearing support and lift angle and reduce, the potential variable signal weakens, motor speed also reduces thereupon, until reaching balance, these parts are guaranteed the work coiling running under a stable tension all the time of tension force measuring roll.

As Fig. 4-1, Fig. 4-2, shown in Figure 5, infrared transmitting tube makes the reception test section be in normal steady state through optical mirror slip emission infrared beams to receiving tube after connecting power supply, when the work of hot melt adhesive back of the body net, produce deviation and moved the light barrier on the optical mirror slip and make the infrared beams blocking-up, the receiving tube terminal potential promptly changes, this variable signal is through amplifier 33-1, the 33-2 amplification also is input to switching tube 34-1,34-2 makes switching tube turn-on relay 35-1,35-2 adhesive normally opened contact 35-1 ' or 35-2 ' adhesive, reversible electric machine 36 promptly rotates to the left or to the right, remove the frequency modulated light sheet infrared beams of rebounding until hot melt adhesive back of the body net and shine again on the receiving tube, make to receive the test section and reenter stable state.

Claims

1, a kind of special equipment of carrying on the back the hot-forming carbon fiber plate of net is characterized in that this equipment is made up of the location carding apparatus of carbon fibre tow cluster, back of the body network transmission device, heat pressing forming device, finished product batching apparatus and some gap bridge rollers; The location carding apparatus of described carbon fibre tow cluster by the route of carbon fibre tow cluster v process be arranged in order to gap bridge roller (1), concertina type spacing reed (10), guide-localization reed (11-1), itemize strand roller (12), traction roller (13-1), gap bridge roller (2) at a certain distance, pass through guide-localization reed (11-2) again, itemize lease rods (14) is formed; Described heat pressing forming device is made up of two hot pressing rollers (15) that size shape equates, and gapped between the two hot pressing rollers, drives two rollers by sprocket wheel and rotates in opposite directions, and two hot pressing roller gaps are according to the thickness adjustment of carbon fiber plate; Described back of the body network transmission device divides two-way, is located at the both sides up and down with a certain distance from the hot pressing roller respectively.

2, a kind of special equipment of carrying on the back the hot-forming carbon fiber plate of net as claimed in claim 1, it is characterized in that described guide-localization reed (11-1) guiding reed arranged askew (11-2), according to flat flat degree of carbon fibre tow and the requirement of carbon fiber plate surface density, set 30 ° of-60 ° of angles.

3, a kind of special equipment of carrying on the back the hot-forming carbon fiber plate of net as claimed in claim 1 is characterized in that described back of the body network transmission device is made up of automatic deviation correction apparatus for displaying and infrared detector; The automatic deviation correction apparatus for displaying is connected with dolly flat board (24) by reversible electric machine (22) drive screw mandrel (23), screw mandrel, and dolly is dull and stereotyped to be connected with inflatable roller (26) by support (25); Infrared detector is made up of two groups of infrared probes (27) and fixed mount (28).

4, a kind of special equipment of carrying on the back the hot-forming carbon fiber plate of net as claimed in claim 1, it is characterized in that also being provided with between described heat pressing forming device and the finished product batching apparatus tension force measuring roll device, it is made up of oblique angle bearing support (30) the support tension force measuring roll (31) that connects damping piston (29), and is connected with the anti-routed potentiometer (32) of signal.