Additive manufacturing device for composite material

Abstract

The utility model belongs to the field of composite materials, particularly relates to a composite material additive manufacturing device, and provides the following scheme aiming at the problems that the existing manufacturing process of domestic non-standard carbon fiber products mainly adopts manual laying, needs longer time and is lower in processing efficiency: the composite material additive manufacturing device comprises a mounting frame, a connecting frame is fixedly arranged on one side of the mounting frame, and a rocker arm is rotationally connected to one side of the mounting frame; the feeding mechanism comprises a feeding support, the feeding support is fixedly arranged on the side, close to the installation frame, of the rocker arm, and one side of the top end of the feeding support is rotationally connected with a rotating shaft. According to the carbon fiber prepreg tape laying and cutting device, laying and cutting of the carbon fiber prepreg tape can be automatically completed, the machining time is shortened, and the machining efficiency is improved; and meanwhile, carbon fiber prepreg tapes of different sizes can be limited and guided, and the application range of the equipment is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of composite materials, in particular to a composite material additive manufacturing device. Background Art

[0002] With the advancement of carbon fiber manufacturing technology, the application of carbon fiber in daily life is expanding. Carbon fiber composite materials have excellent corrosion resistance, excellent fatigue properties and high strength and high modulus material properties, and are widely used in aerospace, construction and civil engineering, high-performance textile manufacturing, automotive industry and other fields.

[0003] However, in the prior art, the manufacturing process of domestic non-standard carbon fiber products is mainly based on manual laying, which takes a long time and has low processing efficiency.

[0004] Therefore, we propose a composite material additive manufacturing device. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art that the manufacturing process of domestic non-standard carbon fiber products is mainly based on manual laying, which takes a long time and has low processing efficiency, and to propose a composite material additive manufacturing device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A composite material additive manufacturing device, comprising:

[0008] A mounting frame, one side of the mounting frame is fixedly provided with a connecting frame, and one side of the mounting frame is rotatably connected to a rocker arm;

[0009] A feeding mechanism, the feeding mechanism comprising a feeding bracket, the feeding bracket is fixedly arranged on a side of the rocker arm close to the mounting frame, a top side of the feeding bracket is rotatably connected to a rotating shaft, and a feeding tray is installed on an outer wall of the rotating shaft;

[0010] A material guiding mechanism, the material guiding mechanism comprises a guide block, a material supporting block and a limiting guide wheel, the guide block and the material supporting block are both fixedly arranged on one side of the rocker arm, the guide block is located above the material supporting block, and the limiting guide wheel is rotatably connected to the bottom end of the rocker arm;

[0011] A material pressing mechanism, the material pressing mechanism comprising a second cylinder, the second cylinder is fixedly arranged on one side of the connecting frame, one end of the second cylinder piston rod is fixedly provided with a material pressing bracket, and the bottom end of the material pressing bracket is rotatably connected with a pressing roller;

[0012] The shearing mechanism comprises a third cylinder, which is fixed on the other side of the connecting frame, one end of the piston rod of the third cylinder is fixed with a scissors bracket, and the bottom end of the scissors bracket is fixed with pneumatic scissors.

[0013] In a possible design, a movable disk is rotatably connected to one side of the mounting frame, a first cylinder is fixedly provided to one side of the movable disk, and one end of a piston rod of the first cylinder is rotatably connected to a rocker arm.

[0014] In a possible design, the bottom of the guide block and the surface of the support block are both provided with guide grooves for guiding the carbon fiber prepreg tape.

[0015] In a possible design, a screw rod is threaded through one side of the guide block, one end of the screw rod extends into the guide groove and is rotatably connected to a limit plate, the top end of the limit plate abuts against the top of the guide groove, and the bottom end of the limit plate is located in another guide groove.

[0016] In a possible design, a positioning ring is fixedly disposed on the outer wall of the rotating shaft, a positioning groove is opened on the outer wall of the rotating shaft, a positioning block matching the positioning groove is fixedly disposed on the inner wall of the feeding tray, and a limit sleeve is provided on a threaded sleeve at one end of the rotating shaft.

[0017] In a possible design, the mounting frame, connecting frame, rocker arm, feeding bracket, guide block, pressing bracket and scissor bracket are all made of aluminum alloy.

[0018] In the present application, when in use, the device is installed as a whole on the traction device using the mounting frame, and then one end of the carbon fiber prepreg tape is passed through the guide block and the support block and placed under the limiting guide wheel, and then the first cylinder is started to drive the rocker arm to rotate, so that the limiting guide wheel presses the carbon fiber prepreg tape, so that the carbon fiber prepreg tape and the mold surface are tightly fitted, and then the traction device is used to drive the mounting frame to move, so that the carbon fiber prepreg tape is laid on the mold surface, and at the same time, the second cylinder is started, and the carbon fiber prepreg tape is compacted by the clamping roller. When the laying is completed, the rocker arm is lifted by the first cylinder, and then the third cylinder is started, so that the pneumatic scissors are close to the carbon fiber prepreg tape, and then the pneumatic scissors are started to cut the carbon fiber prepreg tape, and then the traction device is used to reset the device as a whole, and the processing is repeated in this way.

[0019] Beneficial effects:

[0020] In the utility model, the composite material additive manufacturing device can automatically complete the laying and cutting of carbon fiber prepreg tapes through the arrangement of structures such as a feeding mechanism, a material guiding mechanism, a material pressing mechanism and a shearing mechanism, thereby shortening the processing time and improving the processing efficiency;

[0021] In the utility model, the composite material additive manufacturing device can facilitate people to quickly replace the feeding tray through the arrangement of the positioning ring, the limiting sleeve and the positioning groove and other structures;

[0022] In the utility model, the composite material additive manufacturing device can limit and guide carbon fiber prepreg tapes of different sizes through the arrangement of the limit plate and the screw rod, thereby improving the application range of the device;

[0023] The utility model can automatically complete the laying and cutting of carbon fiber prepreg tapes, shorten the processing time, improve the processing efficiency, and facilitate people to quickly replace the feed tray. At the same time, it can limit and guide carbon fiber prepreg tapes of different sizes, thereby improving the application range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional structural schematic diagram of a composite material additive manufacturing device proposed in the utility model;

[0025] Figure 2 A schematic diagram of a three-dimensional structure from another angle of a composite material additive manufacturing device proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the guide block, support block, guide groove, limit plate and screw structure of a composite material additive manufacturing device proposed by the utility model;

[0027] Figure 4 This is a schematic structural diagram of a rotating shaft, a positioning ring, a positioning groove and a limiting sleeve of a composite material additive manufacturing device proposed by the utility model.

[0028] In the figure: 1. mounting frame; 2. connecting frame; 3. rocker arm; 4. movable plate; 5. first cylinder; 6. feeding bracket; 7. rotating shaft; 8. feeding plate; 9. guide block; 10. supporting block; 11. limiting guide wheel; 12. second cylinder; 13. pressing bracket; 14. pressing roller; 15. third cylinder; 16. scissors bracket; 17. pneumatic scissors; 18. guide groove; 19. limiting plate; 20. screw; 21. positioning ring; 22. positioning groove; 23. limiting sleeve. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Example 1

[0031] Reference Figure 1-Figure 4 An additive manufacturing device includes a mounting frame 1, a connecting frame 2 is fixedly provided on one side of the mounting frame 1, and a rocker arm 3 is rotatably connected to one side of the mounting frame 1.

[0032] In another aspect of this embodiment, the feeding mechanism includes a feeding bracket 6, which is fixed on the side of the rocker arm 3 close to the mounting frame 1. The top side of the feeding bracket 6 is rotatably connected to a rotating shaft 7, and a feeding tray 8 is installed on the outer wall of the rotating shaft 7.

[0033] In another aspect of the present embodiment, the material guiding mechanism includes a guide block 9, a supporting block 10 and a limiting guide wheel 11. The guide block 9 and the supporting block 10 are both fixed on one side of the rocker arm 3, the guide block 9 is located above the supporting block 10, and the limiting guide wheel 11 is rotatably connected to the bottom end of the rocker arm 3.

[0034] In another aspect of the present embodiment, the material pressing mechanism includes a second cylinder 12, which is fixed on one side of the connecting frame 2, and a material pressing bracket 13 is fixed on one end of the piston rod of the second cylinder 12, and a clamping roller 14 is rotatably connected to the bottom end of the material pressing bracket 13.

[0035] In another aspect of this embodiment, the shearing mechanism includes a third cylinder 15, which is fixed on the other side of the connecting frame 2. A scissors bracket 16 is fixed at one end of the piston rod of the third cylinder 15, and a pneumatic scissors 17 is fixed at the bottom end of the scissors bracket 16.

[0036] Among them, the first cylinder uses the CU16-40D model, the second cylinder uses the MXS8-60 model, which can provide a maximum compression force of about 60N to ensure that the carbon fiber prepreg tape can be tightly fitted layer by layer, the third cylinder uses the HLQ6-30S model, and the model of the pneumatic scissors 17 is XG-23A.

[0037] The present application can be used in the field of composite materials, and can also be used in other fields applicable to the present application.

[0038] Example 2

[0039] A composite material additive manufacturing device improved on the basis of Example 1, which is applied to the field of composite materials;

[0040] In another aspect of this embodiment, a movable disk 4 is rotatably connected to one side of the mounting frame 1, a first cylinder 5 is fixedly provided to one side of the movable disk 4, one end of the piston rod of the first cylinder 5 is rotatably connected to the rocker arm 3, and the rocker arm 3 can be driven to rotate by the extension and retraction of the piston rod of the first cylinder 5, so that the limiting guide wheel 11 limits the carbon fiber prepreg tape.

[0041] In another aspect of this embodiment, guide grooves 18 are provided at the bottom of the guide block 9 and the surface of the support block 10 for guiding the carbon fiber prepreg tape to prevent the carbon fiber prepreg tape from shifting during movement and improve the accuracy of laying the carbon fiber prepreg tape.

[0042] In another aspect of the present embodiment, a screw rod 20 is threaded through one side of the guide block 9, one end of the screw rod 20 extends into the guide groove 18 and is rotatably connected to a limiting plate 19, the top end of the limiting plate 19 abuts against the top of the guide groove 18, and the bottom end of the limiting plate 19 is located in another guide groove 18. The position of the limiting plate 19 in the guide groove 18 can be adjusted by rotating the screw rod 20, thereby limiting the carbon fiber prepreg tape, which is suitable for carbon fiber prepreg tapes of various sizes.

[0043] In another aspect of the present embodiment, a positioning ring 21 is fixedly provided on the outer wall of the rotating shaft 7, a positioning groove 22 is opened on the outer wall of the rotating shaft 7, a positioning block matched with the positioning groove 22 is fixedly provided on the inner wall of the feeding tray 8, and a limiting sleeve 23 is provided on a threaded sleeve at one end of the rotating shaft 7. The feeding tray 8 is installed on the outer wall of the rotating shaft 7 through the cooperation of the positioning block and the positioning groove 22, which facilitates the replacement of the feeding tray 8. The feeding tray 8 is limited by the limiting sleeve 23 to prevent the feeding tray 8 from sliding on the outer wall of the rotating shaft 7.

[0044] In another aspect of this embodiment, the mounting frame 1, the connecting frame 2, the rocker arm 3, the feeding bracket 6, the guide block 9, the pressing bracket 13 and the scissors bracket 16 are all made of aluminum alloy. The aluminum alloy material is light in weight and high in strength, which can reduce the overall weight of the equipment while ensuring the structural strength of the equipment.

[0045] However, as is well known to those skilled in the art, the working principles and wiring methods of the first cylinder 5, the second cylinder 12, the third cylinder 15 and the pneumatic scissors 17 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A composite material additive manufacturing device, characterized in that: include: A mounting frame (1), a connecting frame (2) being fixedly provided on one side of the mounting frame (1), and a rocker arm (3) being rotatably connected to one side of the mounting frame (1); A feeding mechanism, the feeding mechanism comprising a feeding bracket (6), the feeding bracket (6) being fixedly mounted on a side of the rocker arm (3) close to the mounting frame (1), a top side of the feeding bracket (6) being rotatably connected to a rotating shaft (7), and a feeding tray (8) being mounted on an outer wall of the rotating shaft (7); A material guiding mechanism, the material guiding mechanism comprising a guide block (9), a material supporting block (10) and a limiting guide wheel (11), the guide block (9) and the material supporting block (10) are both fixedly arranged on one side of the rocker arm (3), the guide block (9) is located above the material supporting block (10), and the limiting guide wheel (11) is rotatably connected to the bottom end of the rocker arm (3); A material pressing mechanism, the material pressing mechanism comprising a second cylinder (12), the second cylinder (12) being fixedly mounted on one side of the connecting frame (2), a material pressing bracket (13) being fixedly mounted on one end of the piston rod of the second cylinder (12), and a pressing roller (14) being rotatably connected to the bottom end of the material pressing bracket (13); The shearing mechanism comprises a third cylinder (15), the third cylinder (15) is fixedly arranged on the other side of the connecting frame (2), a scissor bracket (16) is fixedly arranged at one end of the piston rod of the third cylinder (15), and a pneumatic scissors (17) is fixedly arranged at the bottom end of the scissor bracket (16).

2. A composite material additive manufacturing device according to claim 1, characterized in that: A movable disk (4) is rotatably connected to one side of the mounting frame (1), a first cylinder (5) is fixedly provided to one side of the movable disk (4), and one end of a piston rod of the first cylinder (5) is rotatably connected to the rocker arm (3).

3. A composite material additive manufacturing device according to claim 2, characterized in that: The bottom of the guide block (9) and the surface of the support block (10) are both provided with guide grooves (18) for guiding the carbon fiber prepreg tape.

4. A composite material additive manufacturing device according to claim 3, characterized in that: A screw rod (20) is threadedly passed through one side of the guide block (9), one end of the screw rod (20) extends into the guide groove (18) and is rotatably connected to a limit plate (19), the top end of the limit plate (19) abuts against the top of the guide groove (18), and the bottom end of the limit plate (19) is located in another guide groove (18).

5. A composite material additive manufacturing device according to claim 4, characterized in that: The outer wall of the rotating shaft (7) is fixedly provided with a positioning ring (21), the outer wall of the rotating shaft (7) is provided with a positioning groove (22), the inner wall of the feeding plate (8) is fixedly provided with a positioning block matched with the positioning groove (22), and one end of the rotating shaft (7) is threadedly provided with a limiting sleeve (23).

6. A composite material additive manufacturing device according to claim 5, characterized in that: The materials of the mounting frame (1), the connecting frame (2), the rocker arm (3), the feeding bracket (6), the guide block (9), the pressing bracket (13) and the scissor bracket (16) are all aluminum alloy.

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