High-efficiency laying device for carbon fiber prepreg

Abstract

The invention provides an efficient laying device for carbon fiber prepreg, which ensures tidy laying and tight laying and improves the laying efficiency. The device comprises an operation table which comprises an X direction and a Y direction, a pre-paving station and a paving station are sequentially arranged on the upper surface of the operation table in the Y direction, and foot pads are fixedly installed at the four corners of the bottom of the operation table respectively; the first compression roller assembly comprises a first compression roller, a first compression roller frame, a guide connecting block and a driving connecting rod assembly; a second compression roller assembly; the device comprises two side supports, a connecting cross beam, a screw servo mechanism, a second pressing roller frame, a second pressing roller, a jacking air cylinder and a connecting frame. And a temperature control heating plate. A temperature control heating plate is fixedly arranged at the bottom of the corresponding area of the paving station of the operation table, a second pressing roller is arranged on the upper surface of the paving station, the second pressing roller is driven by a screw servo mechanism to do reciprocating movement operation in the X direction, and the Y-axis length of the second pressing roller covers the corresponding Y-direction distance of the center area of the paving station.

Description

Technical Field

[0001] The invention relates to the technical field of fiber prepreg plying, and in particular to a carbon fiber prepreg efficient plying device. Background Art

[0002] Carbon fiber prepregs need to be laid up before processing to achieve the number of carbon fiber prepreg layers required by the design. The current laying process of fiber prepregs uses a manual laying method without other auxiliary equipment. Although it has the advantages of simple operation and low cost, it also has the problems of low processing efficiency, low fitting accuracy, and the presence of interlayer bubbles affecting the yield of finished products.

[0003] To this end, it is urgent to develop a device that can improve the efficiency of carbon fiber prepreg laying. Summary of the invention

[0004] In view of the above problems, the present invention provides a carbon fiber prepreg efficient laying device, which ensures neat and tight laying and improves the laying efficiency.

[0005] A carbon fiber prepreg efficient laying device, characterized in that it comprises:

[0006] The operating table includes an X-direction and a Y-direction, and a pre-paving station and a paving station are sequentially arranged on the upper surface along the Y-direction, and pads are fixed at the four corners of the bottom of the operating table;

[0007] A first pressing roller assembly, comprising a first pressing roller, a first pressing roller frame, a guide connecting block, and a driving connecting rod assembly. The first pressing roller is arranged corresponding to the upper surface area of ​​the pre-paving station. The first pressing roller is installed in the area between the two lower protrusions of the first pressing roller frame. A guiding connecting block is fixedly installed on one side of the first pressing roller frame. The outer side of the guiding connecting block is embedded in the X-direction slide rail arrangement at the front end of the operating table. The driving connecting rod assembly is driven to connect the first pressing roller frame and drive the first pressing roller frame to reciprocate in the X direction along the surface area of ​​the pre-paving station.

[0008] The second pressing roller assembly; it includes two side supports, a connecting beam, a screw servo mechanism, a second pressing roller frame, a second pressing roller, a lifting cylinder, and a connecting frame. The two side supports are located on the upper surfaces of the two sides of the X-direction of the bonding area of ​​the paving station of the operating table. The two ends of the connecting beam are respectively supported on the upper part of the side supports. The screw servo mechanism is located on the upper part of the connecting beam. The upper part of the screw servo mechanism is fixed with a lifting cylinder. The upper piston end of the lifting cylinder is fixedly connected to the connecting frame. The two side rods of the connecting frame are respectively fixedly connected to the two sides of the second pressing roller frame. The two ends of the roller shaft of the second pressing roller are respectively convex and installed with the corresponding connecting holes of the lower convex plates at the two ends of the second pressing roller frame. The second pressing roller and the second pressing roller frame are arranged below the connecting beam. The lower roller surface of the second pressing roller is used for pressing the laminated carbon fiber prepreg within the bonding area.

[0009] and temperature-controlled heating plates;

[0010] The temperature-controlled heating plate is fixedly arranged at the bottom of the corresponding area of ​​the paving station of the operating table, and a second pressing roller is arranged on the upper surface of the paving station. The second pressing roller reciprocates along the X direction under the drive of the screw servo mechanism, and the Y-axis length of the second pressing roller covers the corresponding Y-axis distance of the central area of ​​the paving station;

[0011] An X-axis alignment component and a Y-axis alignment component are arranged in the pre-laying station area of ​​the operating table. The X-axis alignment component and the Y-axis alignment component form an alignment vertical coordinate system, which enables the stacked carbon fiber prepreg to be positioned and laid with the vertical coordinate system as the 0 point.

[0012] The lifting cylinder rises and falls to drive the second pressing roller to reliably press the carbon fiber prepreg, thereby reliably pressing the stacked and aligned carbon fiber prepregs of different thicknesses, improving the tightness of the fit and squeezing out excess air.

[0013] It is further characterized by:

[0014] The X-direction alignment assembly includes a plurality of X-direction positioning protrusions arranged at intervals, and the Y-direction alignment assembly includes a plurality of Y-direction positioning protrusions arranged at intervals, which makes positioning accurate and reliable, and convenient, and at the same time facilitates the operator to take out materials from the position between adjacent positioning protrusions;

[0015] The screw servo mechanism comprises a screw and a screw nut, the two ends of the screw are respectively positioned and supported by the supporting bearing mechanisms on both sides, the screw nut is threadedly sleeved on the screw, a wear-resistant block is arranged at the bottom of the screw nut, the bottom of the screw nut is arranged closely against the upper surface of the connecting crossbeam, and the top of the screw nut is fixedly connected to the cylinder seat of the jacking cylinder;

[0016] A pair of guide rods are also arranged between the two side supports, and the guide rods are arranged parallel to the length direction of the connecting crossbeam. A guide slider is also arranged between the pair of guide rods, and vertical guide rails are also arranged on both sides of the guide slider. The two side rods of the connecting frame are respectively connected to the corresponding vertical guide rails through guide rail pairs, which ensures the reliable lifting and lowering operation of the second pressing roller;

[0017] The guide rod, the screw servo mechanism and the connecting crossbeam are provided with a cover plate, and the cover plate is provided with a linear avoidance groove corresponding to the X-direction moving area of ​​the lifting cylinder;

[0018] One end of the screw is externally connected to a servo motor, and the number of times the pressing roller presses the carbon fiber prepreg is completed by setting the forward and reverse rotation of the servo motor to achieve reliable pressing;

[0019] The temperature-controlled heating plate is preset in a bottom mounting frame, and the bottom mounting frame is fixed to the bottom of the central area of ​​the paving station of the operating table by surrounding fasteners;

[0020] The bottom mounting frame includes a surrounding frame and a bottom plate, the temperature control heating plate is placed in a space formed by the surrounding frame and the bottom plate, and the temperature control heating plate is supported on the upper surface of the bottom plate;

[0021] The surrounding frames and bottom plate are all made of heat-insulating materials to ensure that the heat is conducted to the carbon fiber prepreg through the operating table;

[0022] The driving connecting rod assembly includes a rotating piston, a first rod and a second rod. The swing arm of the rotating piston is pivoted to the input end of the first rod, the output end of the first rod is pivoted to the input end of the second rod, and the output end of the second rod is pivoted to the center position of the upper surface of the crossbeam of the first pressure roller frame. The movement of the swing arm, the first rod and the second rod ensures that the X-axis reciprocating movement distance of the first pressure roller frame meets the pre-paving requirements.

[0023] After adopting the structure of the present invention, the carbon fiber prepreg is positioned and laid at the pre-laying station through the X-axis alignment component and the Y-axis alignment component to form an alignment vertical coordinate system, and then the connecting rod component is driven to drive the first pressing roller frame to move back and forth in the X direction along the surface area of ​​the pre-laying station, and the stacked carbon fiber prepreg is pre-pressed by the first pressing roller; then the pre-pressed stacked carbon fiber prepreg is placed on the upper surface of the laying station, the carbon fiber prepreg is preheated by the temperature-controlled heating plate, the resin is softened by a suitable temperature, and then the pressing force of the second pressing roller and the stacked carbon fiber prepreg is adjusted by the lifting cylinder, and then the screw servo mechanism drives the second pressing roller to move and press along the X direction, effectively combining the interlayer resin, and ensuring the stability and yield of the product for subsequent mold entry and hot pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The three-dimensional Figure 1 ;

[0025] Figure 2 The three-dimensional Figure 2 ;

[0026] Figure 3 The present invention removes the three-dimensional Figure 1 ;

[0027] Figure 4 The present invention removes the three-dimensional Figure 2 (partial);

[0028] The names corresponding to the serial numbers in the figure are as follows:

[0029] Operating table 10, pre-paving station 101, paving station 102, foot pad 11, X-direction slide rail 12, X-direction alignment assembly 13, X-direction positioning protrusion 131, Y-direction alignment assembly 14, Y-direction positioning protrusion 141, first pressure roller assembly 20, first pressure roller 21, first pressure roller frame 22, guide connecting block 23, guide connecting block 24, second pressure roller assembly 30, side support 31, support bearing mechanism 311, connecting crossbeam 32, second pressure roller frame 33, second pressure roller 34, lifting Cylinder 35, upper piston end 351, connecting frame 36, central connecting rod 361, side rod 362, guide rod 37, guide slider 38, vertical guide rail 381, temperature control heating plate 40, drive connecting rod assembly 50, rotating piston 51, swing arm 511, first rod 52, second rod 53, screw servo mechanism 60, screw 61, screw nut 62, laminated carbon fiber prepreg 70, cover plate 80, linear avoidance groove 81, bottom mounting frame 90, surrounding frame 91, bottom plate 92. DETAILED DESCRIPTION

[0030] A carbon fiber prepreg efficient laying device, see Figure 1-Figure 4 : It includes an operating table 10, a first pressing roller assembly 20, a second pressing roller assembly 30, and a temperature-controlled heating plate 40;

[0031] The operating table 10 includes an X direction and a Y direction, and a pre-paving station 101 and a paving station 102 are sequentially arranged on its upper surface along the Y direction, and feet 11 are fixedly installed at the four corners of the bottom of the operating table 10;

[0032] The first pressing roller assembly 20 includes a first pressing roller 21, a first pressing roller frame 22, a guide connecting block 23, and a driving connecting rod assembly 50. The first pressing roller 21 is arranged corresponding to the upper surface area of ​​the pre-paving station 102. The first pressing roller 21 is installed in the area between the two lower protrusions of the first pressing roller frame 22. A guide connecting block 24 is fixedly installed on one side of the first pressing roller frame 22. The outer side of the guide connecting block 24 is embedded in the X-direction slide rail 12 at the front end of the operating table 10. The driving connecting rod assembly 50 drives and connects the first pressing roller frame 22, and drives the first pressing roller frame 22 to reciprocate in the X direction along the surface area of ​​the pre-paving station 101.

[0033] The second roller assembly 30 includes two side supports 31, a connecting crossbeam 32, a screw servo mechanism 60, a second roller frame 33, a second roller 34, a lifting cylinder 35, and a connecting frame 36. The two side supports 31 are located on the upper surfaces of the X-direction positions of the laminating area of ​​the paving station 102 of the operating table 10. The two ends of the connecting crossbeam 32 are respectively supported on the upper part of the side supports 31. The screw servo mechanism 60 is located on the upper part of the connecting crossbeam 32. The upper part of the screw servo mechanism 60 is fixed with a lifting cylinder 35. The upper piston end 351 of the lifting cylinder 35 is fixedly connected to the central connecting rod 361 of the connecting frame 36. The two side rods 362 of the connecting frame 36 are convex downward and respectively fixedly connected to the two sides of the second pressing roller frame 33. The two ends of the roller shaft of the second pressing roller 34 are respectively convex and installed with the corresponding connecting holes of the lower convex plates at both ends of the second pressing roller frame 33. The second pressing roller 34 and the second pressing roller frame 33 are arranged below the connecting crossbeam 32. The lower roller surface of the second pressing roller 34 is used for pressing the laminated carbon fiber prepreg 70 within the bonding area.

[0034] A temperature-controlled heating plate 40 is fixedly arranged at the bottom of the corresponding area of ​​the paving station 102 of the operating table 10, and a second pressing roller 34 is arranged on the upper surface of the paving station 102. The second pressing roller 34 reciprocates along the X direction under the drive of the screw servo mechanism 60, and the Y-axis length of the second pressing roller 34 covers the corresponding Y-axis distance of the central area of ​​the paving station 102;

[0035] An X-axis alignment component 13 and a Y-axis alignment component 14 are arranged in the pre-laying station 101 of the operating table 10. The X-axis alignment component 13 and the Y-axis alignment component 14 form an alignment vertical coordinate system, which enables the stacked carbon fiber prepreg 70 to be positioned and laid with the vertical coordinate system as the 0 point.

[0036] The lifting cylinder 35 is lifted and lowered to drive the second pressing roller 34 to reliably press the carbon fiber prepreg 70, so as to reliably press the stacked and aligned carbon fiber prepreg 70 of different thicknesses, improve the tightness of the fit, and squeeze out excess air.

[0037] In specific implementation: the X-axis alignment component 13 includes a plurality of X-axis positioning protrusions 131 arranged at intervals, and the Y-axis alignment component 14 includes a plurality of Y-axis positioning protrusions 141 arranged at intervals, which makes positioning accurate and reliable, and convenient, and also facilitates the operator to remove materials from the position between adjacent positioning protrusions.

[0038] In specific implementation, the screw servo mechanism 60 includes a screw 61 and a screw nut 62. The two ends of the screw 61 are respectively positioned and supported on the supporting bearing mechanisms 311 on both sides. The screw nut 62 is threadedly sleeved on the screw 61. A wear-resistant block is provided at the bottom of the screw nut 62. The bottom of the screw nut 62 is arranged closely against the upper surface of the connecting crossbeam 32. The top of the screw nut 62 is fixedly connected to the cylinder seat of the jacking cylinder 35.

[0039] A pair of guide rods 37 are also provided between the two side supports 31, and the guide rods 37 are arranged parallel to the length direction of the connecting crossbeam 32. A guide slider 38 is also arranged between the pair of guide rods 37, and vertical guide rails 381 are also provided on both sides of the guide slider 38. The two side rods 362 of the connecting frame 36 are respectively connected to the corresponding vertical guide rails 381 through guide rail pairs, which ensures the reliable lifting and lowering operation of the second pressing roller 34.

[0040] A cover plate 80 is provided on the guide rod 37, the screw servo mechanism 60, and the connecting crossbeam 32, and a linear avoidance groove 81 is provided on the cover plate 80 corresponding to the X-direction moving area of ​​the lifting cylinder 35;

[0041] One end of the screw 61 is externally connected to a servo motor, and the number of times the pressing roller presses the carbon fiber prepreg 70 is completed by setting the forward and reverse rotation of the servo motor, thereby completing reliable pressing;

[0042] The temperature-controlled heating plate 40 is preset in the bottom mounting frame 90, and the bottom mounting frame 90 is fixed to the bottom of the central area of ​​the paving station 102 of the operating table 10 by surrounding fasteners;

[0043] The bottom mounting frame 90 includes a surrounding frame 91 and a bottom plate 92. The temperature control heating plate 40 is placed in a space formed by the surrounding frame 91 and the bottom plate 92. The temperature control heating plate 40 is supported on the upper surface of the bottom plate 92.

[0044] The surrounding frame 91 and the bottom plate 92 are all made of heat-insulating materials to ensure that the heat is conducted to the carbon fiber prepreg 70 through the operating table 10;

[0045] The driving connecting rod assembly 50 includes a rotating piston 51, a first rod 52, and a second rod 53. The swing arm 511 of the rotating piston 51 is pivoted to the input end of the first rod 52, the output end of the first rod 52 is pivoted to the input end of the second rod 53, and the output end of the second rod 53 is pivoted to the center position of the upper surface of the beam of the first pressure roller frame 22. The movement of the swing arm 511, the first rod 52, and the second rod 53 ensures that the X-axis reciprocating movement distance of the first pressure roller frame 22 meets the pre-paving requirements.

[0046] Its working principle is as follows: at the pre-laying station, the carbon fiber prepreg is positioned and laid through the X-axis alignment component and the Y-axis alignment component to form an alignment vertical coordinate system, and then the connecting rod component is driven to drive the first pressing roller frame to move back and forth in the X direction along the surface of the pre-laying station, and the stacked carbon fiber prepreg is pre-pressed by the first pressing roller; then the pre-pressed stacked carbon fiber prepreg is placed on the upper surface of the laying station, and the carbon fiber prepreg is preheated by the temperature-controlled heating plate, and the resin is softened by a suitable temperature, and then the pressing force of the second pressing roller and the stacked carbon fiber prepreg is adjusted by the lifting cylinder, and then the screw servo mechanism drives the second pressing roller to move and press along the X direction, effectively combining the interlayer resin, and ensuring the stability and yield of the product for subsequent mold entry and hot pressing.

[0047] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0048] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A carbon fiber prepreg efficient laying device, characterized in that: It includes: The operating table includes an X-direction and a Y-direction, and a pre-paving station and a paving station are sequentially arranged on the upper surface along the Y-direction, and pads are fixed at the four corners of the bottom of the operating table; A first pressing roller assembly, comprising a first pressing roller, a first pressing roller frame, a guide connecting block, and a driving connecting rod assembly. The first pressing roller is arranged corresponding to the upper surface area of ​​the pre-paving station. The first pressing roller is installed in the area between the two lower protrusions of the first pressing roller frame. A guiding connecting block is fixedly installed on one side of the first pressing roller frame. The outer side of the guiding connecting block is embedded in the X-direction slide rail arrangement at the front end of the operating table. The driving connecting rod assembly is driven to connect the first pressing roller frame and drive the first pressing roller frame to reciprocate in the X direction along the surface area of ​​the pre-paving station. The second pressing roller assembly; it includes two side supports, a connecting beam, a screw servo mechanism, a second pressing roller frame, a second pressing roller, a lifting cylinder, and a connecting frame. The two side supports are located on the upper surfaces of the two sides of the X-direction of the bonding area of ​​the paving station of the operating table. The two ends of the connecting beam are respectively supported on the upper part of the side supports. The screw servo mechanism is located on the upper part of the connecting beam. The upper part of the screw servo mechanism is fixed with a lifting cylinder. The upper piston end of the lifting cylinder is fixedly connected to the connecting frame. The two side rods of the connecting frame are respectively fixedly connected to the two sides of the second pressing roller frame. The two ends of the roller shaft of the second pressing roller are respectively convex and installed with the corresponding connecting holes of the lower convex plates at the two ends of the second pressing roller frame. The second pressing roller and the second pressing roller frame are arranged below the connecting beam. The lower roller surface of the second pressing roller is used for pressing the laminated carbon fiber prepreg within the bonding area. and temperature-controlled heating plates; The temperature-controlled heating plate is fixedly arranged at the bottom of the corresponding area of ​​the paving station of the operating table, and a second pressing roller is arranged on the upper surface of the paving station. The second pressing roller reciprocates along the X direction under the drive of the screw servo mechanism, and the Y-axis length of the second pressing roller covers the corresponding Y-axis distance of the central area of ​​the paving station; An X-axis alignment component and a Y-axis alignment component are arranged in the pre-laying station area of ​​the operating table. The X-axis alignment component and the Y-axis alignment component form an alignment vertical coordinate system, which enables the stacked carbon fiber prepreg to be positioned and laid with the vertical coordinate system as the 0 point.

2. The carbon fiber prepreg efficient laying device according to claim 1, characterized in that: The X-direction alignment component includes a plurality of X-direction positioning protrusions arranged at intervals, and the Y-direction alignment component includes a plurality of Y-direction positioning protrusions arranged at intervals.

3. The carbon fiber prepreg efficient laying device according to claim 1, characterized in that: The screw servo mechanism includes a screw and a screw nut. The two ends of the screw are respectively positioned and supported by the supporting bearing mechanisms on both sides. The screw nut is threadedly mounted on the screw. A wear-resistant block is provided at the bottom of the screw nut. The bottom of the screw nut is arranged tightly against the upper surface of the connecting beam, and the top of the screw nut is fixedly connected to the cylinder seat of the lifting cylinder.

4. The carbon fiber prepreg efficient laying device according to claim 3, characterized in that: A pair of guide rods are also arranged between the two side supports, and the guide rods are arranged parallel to the length direction of the connecting beam. A guide slider is also arranged between the pair of guide rods, and vertical guide rails are respectively arranged on both sides of the guide slider. The two side rods of the connecting frame are respectively connected to the corresponding vertical guide rails through guide rail pairs.

5. The carbon fiber prepreg efficient laying device according to claim 4, characterized in that: The guide rod, the screw servo mechanism and the connecting crossbeam are provided with a cover plate, and the cover plate is provided with a linear avoidance groove corresponding to the X-direction moving area of ​​the lifting cylinder.

6. The carbon fiber prepreg efficient laying device according to claim 3, characterized in that: One end of the screw is externally connected to a servo motor, and the number of times the pressing roller presses the carbon fiber prepreg is completed by setting the forward and reverse rotations of the servo motor.

7. The carbon fiber prepreg efficient laying device according to claim 1, characterized in that: The temperature-controlled heating plate is preset in a bottom mounting frame, and the bottom mounting frame is fixed to the bottom of the central area of ​​the paving station of the operating table through surrounding fasteners.

8. The carbon fiber prepreg efficient laying device according to claim 7, characterized in that: The bottom installation frame comprises a surrounding frame and a bottom plate. The temperature control heating plate is placed in a space formed by the surrounding frame and the bottom plate. The temperature control heating plate is supported on the upper surface of the bottom plate.

9. The carbon fiber prepreg efficient laying device according to claim 8, characterized in that: The surrounding frames and the bottom plate are all made of heat-insulating materials.

10. The carbon fiber prepreg efficient laying device according to claim 1, characterized in that: The driving connecting rod assembly includes a rotating piston, a first rod and a second rod. The swing arm of the rotating piston is pivoted to the input end of the first rod, the output end of the first rod is pivoted to the input end of the second rod, and the output end of the second rod is pivoted to the center position of the upper surface of the beam of the first pressure roller frame.

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