CN111230193A - A kind of carbon fiber composite plate slotting and trimming device - Google Patents

Abstract

The invention belongs to the technical field of carbon fiber composite material processing, and particularly relates to a slotting and edging device for a carbon fiber composite plate, which comprises a workbench, a cutter rotation driving unit, an integral transverse reciprocating translation mechanism and a plate clamping assembly, wherein the cutter rotation driving unit is arranged on the workbench; the plate clamping assembly comprises an upper clamping plate, a lower clamping plate and a clamping plate support, and the upper clamping plate and the lower clamping plate are connected together through a fastener; the lower clamping plate is rotatably connected to the clamping plate support through a rotating shaft at one side, and a support fixing frame is connected between the clamping plate support and the workbench; a support lifting adjusting mechanism is arranged between the clamping plate support and the fixing frame, a fixing frame longitudinal movement adjusting mechanism is arranged between the support fixing frame and the workbench, the upper clamping plate and the lower clamping plate are arranged obliquely relative to the workbench, and a clamping plate turnover mechanism is arranged between the lower clamping plate and the support. The utility model discloses can fully avoid carbon-fibre composite burn to be applicable to the special processingequipment of carbon-fibre composite panel fluting or edging (chamfer).

Description

A kind of carbon fiber composite plate slotting and trimming device

technical field

The invention belongs to the technical field of carbon fiber composite material processing, and in particular relates to a groove trimming device for a carbon fiber composite plate.

Background technique

Due to its advantages of light weight and high strength, carbon fiber composite materials are already light and high strength materials commonly used in aircraft model manufacturing and aircraft manufacturing, and will gradually be widely used in the automotive field. The bonding of carbon fiber composites is a very common and critical connection process in the process of aircraft model and aircraft manufacturing. Whether it is the processing of raw materials or the bonding process, the requirements are very strict. During the bonding process of carbon fiber composite sheets, it is necessary to grind the edges or make grooves on the edges to increase the contact area of the bonding surface. However, due to the hardness of the composite material, the use of traditional grinding wheel chamfering is not only difficult to form, but also easily causes the carbon fiber composite material to burn, reducing the quality of raw material processing. In addition, the grinding wheel cannot be grooved on the edge. Although the traditional metal CNC machining machine can meet the action requirements, the rotational speed is relatively low, and it cannot cut carbon fiber plates, nor can it clamp large-area plates. Accordingly, it is particularly necessary to design a device that can not only chamfer the corners, but also groove the edge of the thick composite material, and at the same time fully avoid the burn of the carbon fiber composite material.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a special processing device that can fully avoid the burn of carbon fiber composite materials and is suitable for grooving or chamfering (chamfering) of carbon fiber composite plates.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A carbon fiber composite plate slotting and trimming device is designed, which includes a worktable, a cutter, a cutter rotary drive unit and its integral transverse reciprocating translation mechanism, and a plate clamping assembly; wherein the cutter and the rotary drive unit are opposite to the plate clamping assembly. Set on both sides of the workbench;

The plate clamping assembly includes an upper splint, a lower splint and a splint support, and the upper splint and the lower splint are connected together by a set fastener; the lower splint is rotatably connected to the splint support through a rotating shaft set on one side, and the splint supports A support fixing frame is connected between the seat and the workbench;

Between the splint support and its fixing frame, a support lifting adjustment mechanism is arranged for the lifting adjustment of the splint relative to the workbench; between the support fixing frame and the workbench, there is a fixed frame longitudinal movement adjusting mechanism, which is used The horizontal spacing of the splint relative to the tool is adjusted; the upper splint and the lower splint are inclined relative to the worktable, and a splint turning mechanism is arranged between the lower splint and its support for adjusting the inclination angle of the splint relative to the worktable.

Preferably, in the above-mentioned carbon fiber composite board slotting and trimming device, a damping mechanism is simultaneously provided between the lower clamp plate and the clamp plate support.

Preferably, in the above-mentioned device for grooving and trimming a carbon fiber composite sheet, the damping mechanism includes two tension springs, which are respectively arranged between the lower clamping plate and both sides of the clamping plate support.

Preferably, in the above-mentioned device for grooving and trimming the carbon fiber composite sheet, the support lifting and adjusting mechanism includes a sliding block arranged on one side of the plywood support, and relative to the sliding block, the support fixing frame is vertically provided with There is an oblong guide groove, and a screw and nut adjustment mechanism is arranged vertically between the splint support and the worktable; The clamping plate support slides up and down along the long circular guide groove.

Preferably, in the above-mentioned device for grooving and trimming the carbon fiber composite sheet, scales are vertically provided along both sides of the support fixing frame to adjust the height of the splint relative to the workbench with reference.

Preferably, in the above-mentioned carbon fiber composite plate slotting and trimming device, the longitudinal movement adjustment mechanism of the fixing frame includes an adjustment bolt, and relative to the adjustment bolt, an oblong guide groove is longitudinally provided on the worktable, and the adjustment bolt The part of the screw rod penetrates through the long circular guide groove and is connected with the bottom of the support fixing frame.

Preferably, in the above-mentioned carbon fiber composite board slotting and trimming device, the splint turning mechanism is a lead screw and nut adjusting mechanism, and the lead screw and nut adjusting mechanism is installed on the splint support, and the lead screw portion thereof extends upwards, And the end touches the lower splint.

Preferably, in the above-mentioned carbon fiber composite board slotting and trimming device, an angle ruler is provided along the outer side of the connection between the splint support and the rotating shaft to adjust the inclination angle of the splint relative to the worktable.

Preferably, in the above-mentioned device for grooving and trimming a carbon fiber composite sheet, the cutter includes a milling cutter and its chuck; the cutter rotation driving unit includes a cutting motor and a cutting motor seat.

Preferably, in the above-mentioned device for grooving and trimming the carbon fiber composite sheet, the overall transverse reciprocating translation mechanism of the cutter and the cutter rotation drive unit includes a drive screw connected to the cutting motor base and a plurality of respectively along the outer circumference of the drive screw. Guide rods, each guide rod is connected to the worktable through a fixing frame, and the outer end of the transmission screw rod is connected with a transmission motor through a transmission cross connection.

The beneficial technical effect of the technical solution of the present invention is:

1. In terms of structure, the present invention adopts the upper splint, the lower splint and the fastener to clamp the carbon fiber composite plate, which has a simple structure and is easy to install or disassemble; The inclination angle of the splint relative to the worktable can be adjusted, that is, the inclination angle of the plate edge relative to the cutting tool can be adjusted, so as to realize the grooving or chamfering (chamfering) of the edge of the carbon fiber composite plate at different angles or positions according to the actual processing requirements.

2. In terms of structure, the present invention adds a support lifting adjustment mechanism for the lifting adjustment of the splint relative to the worktable, that is, the adjustment of the height of the edge of the plate relative to the cutting tool; the longitudinal movement adjustment mechanism for the fixed frame is added for the splint. Horizontal spacing adjustment relative to the tool, ie the adjustment of the front and rear position of the sheet edge relative to the cutting tool. It can be supplemented with a scale at the same time for reference and precise adjustment. Therefore, according to the actual processing requirements, the grooving or chamfering (chamfering) of the edge of the carbon fiber composite sheet at different angles or different positions can be realized.

3. In terms of structure, the present invention adds a shock absorption mechanism between the lower plywood and the plywood support to buffer the vibration generated by the carbon fiber composite plate during the cutting process, so as to ensure the machining accuracy. Moreover, the tool, the tool rotation driving unit and the whole thereof can perform lateral reciprocating translational movement along the work table. Therefore, it is convenient to operate and use, and easy to popularize and implement.

Description of drawings

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the three-dimensional structure schematic diagram of the carbon fiber composite sheet grooving and trimming device of the present invention;

Fig. 2 is the three-dimensional structure schematic diagram of another angle shown in Fig. 1;

Fig. 3 is the three-dimensional structure schematic diagram of lower splint and rotating shaft;

Fig. 4 is the three-dimensional structure schematic diagram of the splint support;

Fig. 5 is the three-dimensional structure schematic diagram of the support fixing frame;

Fig. 6 is the three-dimensional structure schematic diagram of the drive screw;

FIG. 7 is a three-dimensional schematic diagram of a cutting motor seat;

Fig. 8 is the three-dimensional structure schematic diagram of the cross drive joint;

Fig. 9 is a three-dimensional schematic diagram of a guide rod and a drive screw fixing frame;

Figure 10 is a schematic diagram of the effect after the edge of the carbon fiber board is chamfered;

Figure 11 is a schematic diagram of the effect after the edge of the carbon fiber board is grooved;

Serial number in the picture: A, transmission motor, B, transmission cross connection, C, guide rod, D, fixed frame, E, transmission screw, F, cutting motor seat, G, cutting motor, H, milling cutter chuck, J , milling cutter, K, fixing screw, L, upper splint, M, carbon fiber board, N, support holder, O, fixing screw, P, worktable, Q, lower splint, R, scale, S, angle ruler , T, adjusting screw, U, tension spring, V, splint support, X, oval guide groove, Y, adjusting bolt;

1, 5, 7, 10, 14, 15, 16, 21, 22, threaded hole, 2, 4, screw, 3, shaft, 6, shaft hole, 8, slider, 9, oval guide groove, 11 , 18, 19, pin hole, 12, 13, stud, 17, mounting hole, 20, guide rod mounting hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Obviously, the described embodiments are only schematic partial implementations of the present invention, and are not intended to limit the scope of the present invention. , any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention.

Example

Referring to Figure 1-2, in the figure, the carbon fiber composite sheet slotting and trimming device of the present invention includes a transmission motor A, a transmission cross connection B, a guide rod C, a fixing frame D, a transmission screw E, a cutting motor seat F, and a cutting motor G, milling cutter chuck H, milling cutter J, fixing screw K, upper splint L, splint support V, fixing screw O, worktable P, lower splint Q, scale R, angle ruler S, adjusting screw T, Tension spring U, support bracket N, etc.

Among them, the milling cutter J and the milling cutter chuck H are assembled to form a cutter, and the cutting motor G and the cutting motor base F constitute a cutter rotation driving unit. The upper plywood L, the lower plywood Q and the plywood support V constitute a carbon fiber board clamping assembly. The cutter and the rotary drive unit and the plate clamping assembly are arranged on both sides of the worktable P opposite to each other.

The upper splint L and the lower splint Q are connected together by the set fixing screws K for clamping the carbon fiber board M. Relative to the fixing screw K, there is a threaded hole 1 on the lower clamping plate (see Figure 3). The lower splint Q is rotatably connected to the splint support V through a rotating shaft 3 (see FIG. 3 ) set on one side, and a support fixing frame N is connected between the splint support V and the worktable P. Relative to the rotating shaft 3 , a rotating shaft hole 6 is provided on the splint support V (see FIG. 4 ).

Two tension springs U are arranged between the lower splint Q and the two sides of the splint support V, which are used to buffer the vibration generated by the carbon fiber composite plate during the cutting process, so as to ensure the machining accuracy. Relative to the tension spring U, a screw 2 (refer to Figure 3) and a screw 4 (refer to Figure 4) for hooking are respectively provided on the sides of the lower clamp plate Q and the clamp plate support V.

A sliding block 8 is provided on one side of the splint support V (see FIG. 4 ). Relative to the sliding block 8 , an oblong guide groove 9 is vertically provided on the support fixing frame N (see FIG. 5 ). And between the splint support V and the worktable P, there is a vertical screw screw nut adjustment mechanism (including the adjustment screw T), the screw screw nut adjustment mechanism is installed on the worktable P, and the adjustment screw T is upward. Extend, and the end is pressed against the splint support V. In addition, there are fixing screws O through the oval guide groove 9 to be threadedly connected to the slider 8 . With respect to the fixing screw O, a threaded hole 7 is provided on the slider 8 (see FIG. 4 ). During cutting work, the fixing screw O is in a tightened state, the splint support V and the slider are fixedly connected to the support fixing frame N through the fixing screw O, and the end of the adjusting screw T is pressed against the splint support V to play a supporting role. . When it is necessary to adjust, loosen the fixing screw O, and the adjusting screw T is unscrewed downward. Under the action of its own gravity, the splint support V can move downward relative to the worktable P, and the slider 8 follows the direction of the splint support. The oval guide groove 9 is matched and slides downward; on the contrary, after loosening the fixing screw O, the adjusting screw T is screwed upward, and the splint support V is lifted up relative to the worktable P. The sliding connection structure formed by the cooperation of the sliding block and the guide groove plays a guiding role in the up and down movement of the splint support relative to the worktable.

In addition, scales R are vertically arranged along both sides of the support fixing frame N to adjust the height of the splint relative to the workbench for reference.

An adjustment bolt Y is connected to the bottom of the support fixing frame N. Relative to the adjustment bolt, an oblong guide groove X is longitudinally provided on the worktable, and the screw part of the adjustment bolt passes through the oblong guide groove. Relative to the adjusting bolts, there are threaded holes 10 at the bottom of the support fixing frame N (see Figure 5). During the cutting process, the adjusting bolt is tightened to connect the support fixing frame and the worktable together. When the horizontal distance between the splint and the tool needs to be adjusted, the adjusting bolt is loosened, and the support fixing frame can be accompanied by the adjusting bolt under the action of external force. Move longitudinally along the oblong guide groove.

Between the lower splint Q and the splint support V, there is a lead screw and nut adjusting mechanism. The lead screw and nut adjusting mechanism is installed on the splint support V, and its lead screw part extends upwards, and the end touches the lower splint Q. A threaded hole 5 is provided on the splint support V relative to its screw portion (see Figure 4). Used to adjust the inclination angle of the splint relative to the workbench. In addition, an angle ruler S is provided along the outer side of the connection between the splint support V and the rotating shaft 3, which is used to adjust the inclination angle of the splint relative to the worktable.

The drive screw E connected with the cutting motor base F and a plurality of guide rods C respectively along the outer circumference of the drive screw rod, each guide rod C and the drive screw rod E are connected to the worktable P through the fixing frame D, and the drive screw rods The outer end of E is connected with the transmission motor A through the transmission cross connection B. Under the action of the drive motor A and the drive screw E, the tool and the tool rotation drive unit can be driven to reciprocate and translate laterally along the worktable as a whole, and the edges of the carbon fiber composite sheet at different angles or positions can be grooved or edged (chamfered). Wherein, the guide rod C plays a guiding role in the reciprocating feed translation process.

Referring to FIG. 6 , one end of the drive screw E is connected to the cutting motor base F through a stud 13 , and a threaded hole 14 is provided on the cutting motor base F relative to the stud 13 (see FIG. 7 ). The other end of the transmission screw E is connected to the transmission cross connection B through a pin shaft. Compared with the pin shaft, the transmission screw E is provided with a pin shaft hole 11, and the transmission cross connection B is provided with a pin shaft hole 18 (see Figure 8). The drive screw E and the fixing frame D are connected through the stud 12 , and the fixing frame D is provided with a threaded hole 21 relative to the stud 12 (see FIG. 9 ).

In addition, referring to FIG. 7 , the cutting motor base F is also provided with a threaded hole 15 that is threadedly connected with the guide rod C, and the cutting motor G mounting hole 17 . Moreover, after the cutting motor is installed, it is fixed by locking screws, and a threaded hole 16 is provided on the cutting motor base F relative to the locking screws.

In addition, referring to FIG. 8 , the transmission cross connection B is also provided with a pin shaft hole 19 which is connected with the pin shaft of the power output end of the transmission motor A.

In addition, referring to FIG. 9 , a guide rod mounting hole 20 is also provided on the fixing frame D. As shown in FIG. The fixing frame D is fixedly connected with the worktable by fastening screws. A threaded hole 22 is provided at the bottom of the fixing frame D relative to the fastening screw.

In the present invention, a splint turning mechanism is provided to adjust the inclination angle of the splint relative to the worktable, that is, the inclination angle of the plate edge relative to the cutting tool can be adjusted; Adjustment of the high and low position of the edge of the plate relative to the cutting tool; adding a longitudinal movement adjustment mechanism of the fixed frame to adjust the horizontal spacing of the splint relative to the tool, that is, the adjustment of the front and rear position of the edge of the plate relative to the cutting tool. It can be supplemented with an angle ruler and a scale ruler at the same time for reference and accurate adjustment. Under the action of the drive motor A and the drive screw E, the tool and the tool rotation drive unit can be driven to reciprocate and translate laterally along the worktable as a whole. According to the actual processing requirements, the grooving or cutting of the edge of the carbon fiber composite sheet at different angles or different positions can be realized. edge (chamfer). Figure 10 shows the effect of chamfering the edge of the carbon fiber board, and the chamfering angle is α;

In addition, a shock absorption mechanism is added between the lower plywood and the plywood support to buffer the vibration generated by the carbon fiber composite sheet during the cutting process to ensure machining accuracy. Therefore, the overall structure, reliable performance, convenient operation and use, and easy promotion and implementation.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A carbon fiber composite plate slotting and trimming device is characterized in that: comprising a workbench, a cutter, a cutter rotary drive unit and its integral transverse reciprocating translation mechanism, as well as a plate clamping assembly; wherein the cutter and the rotary drive unit and the plate Clamping components are located on both sides of the workbench; The plate clamping assembly includes an upper splint, a lower splint and a splint support, and the upper splint and the lower splint are connected together by a set fastener; the lower splint is rotatably connected to the splint support through a rotating shaft set on one side, and the splint supports A support fixing frame is connected between the seat and the workbench; Between the splint support and its fixing frame, a support lifting adjustment mechanism is arranged for the lifting adjustment of the splint relative to the workbench; between the support fixing frame and the workbench, there is a fixed frame longitudinal movement adjusting mechanism, which is used The horizontal spacing of the splint relative to the tool is adjusted; the upper splint and the lower splint are inclined relative to the worktable, and a splint turning mechanism is arranged between the lower splint and its support for adjusting the inclination angle of the splint relative to the worktable. 2 . The carbon fiber composite board slotting and trimming device according to claim 1 , wherein a shock absorbing mechanism is simultaneously provided between the lower clamping plate and the clamping plate support. 3 . 3. The carbon fiber composite plate slotting and trimming device according to claim 2, wherein the damping mechanism comprises two tension springs, which are respectively arranged between the lower clamp plate and the two sides of the clamp plate support. 4. The carbon fiber composite board slotting and trimming device according to claim 1, wherein the support lifting and adjusting mechanism comprises a sliding block arranged on one side of the plywood support, relative to the sliding block, on the support There is an oblong guide groove vertically on the fixing frame, and a screw and nut adjusting mechanism is vertically arranged between the splint support and the worktable; under the action of the screw and nut adjusting mechanism, the splint support is relatively The table moves up and down, and the slider slides up and down along the long circular guide groove along with the splint support. 5 . The carbon fiber composite board slotting and trimming device according to claim 4 , wherein scales are vertically arranged along both sides of the support fixing frame to adjust the height of the splint relative to the workbench. 6 . 6 . The carbon fiber composite board slotting and trimming device according to claim 1 , wherein the longitudinal movement adjustment mechanism of the fixing frame comprises an adjustment bolt, and relative to the adjustment bolt, an oval shape is longitudinally arranged on the worktable. 7 . A guide groove, the screw part of the adjusting bolt penetrates through the oblong guide groove and is connected with the bottom of the support fixing frame. 7. The carbon fiber composite plate slotting and trimming device according to claim 1, wherein the splint turning mechanism is a screw and nut adjustment mechanism, and the screw and nut adjustment mechanism is installed on the splint support, and its The part of the screw rod protrudes upward, and the end touches the lower clamping plate. 8 . The carbon fiber composite board slotting and trimming device according to claim 1 , wherein an angle ruler is provided along the outside of the connection between the splint support and the rotating shaft to adjust the inclination angle of the splint relative to the workbench. 9 . 9 . The device for grooving and trimming carbon fiber composite plates according to claim 1 , wherein the cutter comprises a milling cutter and its chuck; the cutter rotation driving unit comprises a cutting motor and a cutting motor seat. 10 . 10. The carbon fiber composite plate slotting and trimming device according to claim 1, characterized in that: the overall transverse reciprocating translation mechanism of the cutter and the cutter rotation drive unit comprises a drive screw connected to the cutting motor base and a drive screw along the drive screw. A plurality of guide rods are respectively arranged in the outer circumferential direction, each guide rod is connected to the worktable through a fixing frame, and the outer end of the transmission screw rod is connected with a transmission motor through a transmission cross connection.

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