CN110877359B - Fiber-reinforced structural parts printing and injection molding composite manufacturing equipment - Google Patents
Fiber-reinforced structural parts printing and injection molding composite manufacturing equipment Download PDFInfo
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- CN110877359B CN110877359B CN201911376625.7A CN201911376625A CN110877359B CN 110877359 B CN110877359 B CN 110877359B CN 201911376625 A CN201911376625 A CN 201911376625A CN 110877359 B CN110877359 B CN 110877359B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/171—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/236—Driving means for motion in a direction within the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/295—Heating elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/357—Recycling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/379—Handling of additively manufactured objects, e.g. using robots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/84—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by moulding material on preformed parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Composite Materials (AREA)
- Robotics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明提供一种纤维增强结构件打印注塑复合制造设备，包括架体、驱动组件、打印组件、输送组件、夹取组件和注塑组件；驱动组件设置在架体上，打印组件连接在驱动组件一动力输出端，驱动组件能够驱动打印组件沿X轴方向和Y轴方向运动；输送组件连接在驱动组件的另一输出端，驱动组件能够驱动输送组件沿着Z轴方向运动；夹取组件连接在架体上；注塑组件设置在架体的侧面。本发明解决了现有技术中，纤维增强结构件因成型过程需要模具而导致成型工艺复杂、制造周期较长的技术问题。本发明设备综合了3D打印工艺构建复杂结构的能力以及注塑工艺成型效率高的技术优势，为纤维增强结构件的快速成型提供了一种新工艺与新设备。
The present invention provides a printing and injection molding composite manufacturing device for fiber-reinforced structural parts, including a frame, a driving component, a printing component, a conveying component, a clamping component and an injection molding component; the driving component is arranged on the frame, the printing component is connected to a power output end of the driving component, and the driving component can drive the printing component to move along the X-axis direction and the Y-axis direction; the conveying component is connected to the other output end of the driving component, and the driving component can drive the conveying component to move along the Z-axis direction; the clamping component is connected to the frame; and the injection molding component is arranged on the side of the frame. The present invention solves the technical problem in the prior art that fiber-reinforced structural parts require molds during the molding process, resulting in a complex molding process and a long manufacturing cycle. The equipment of the present invention combines the technical advantages of the ability of the 3D printing process to construct complex structures and the high molding efficiency of the injection molding process, and provides a new process and new equipment for the rapid molding of fiber-reinforced structural parts.
Description
Technical Field
The invention relates to the technical field of fiber reinforced structural member manufacturing equipment, in particular to printing and injection molding composite manufacturing equipment for a fiber reinforced structural member.
Background
The fiber composite material has wide application prospect as a high-performance composite material which is concerned, and particularly has wide application prospect in the fields of aerospace, rail transit, medical appliances and the like. However, the traditional fiber composite material has complex molding process, often needs a die and has longer manufacturing period, thereby greatly limiting the further development and application of the composite material.
The emerging three-dimensional printing (3D printing) technology in recent years provides a new method for integrated rapid prototyping of complex structures. However, the existing 3D printing and forming process has the problem that the interlayer bonding strength is insufficient, so that the overall mechanical property of the structure is affected. The 3D printing technology is adopted to construct the geometric outline of the complex part, so that the defect that the complex die is required to be prepared in advance in the traditional manufacturing process can be avoided. The defect of low mechanical property of the structural member directly manufactured by the existing 3D printing technology is considered, and the injection molding process is used for filling the internal space of the complex geometric outline, so that the method is an effective method for improving the mechanical property of the 3D printing structural member.
In addition, although the 3D printing technology can realize clean production, there are unavoidable wastes such as supporting materials in the actual use process, sometimes the equipment is unstable, and the equipment is also failed in the printing process, at this time, reprinting is often needed to generate wastes, and if the wastes can be recycled, the waste has positive significance for saving materials.
In view of the above, the invention provides a fiber reinforced structural member printing injection molding composite manufacturing device which integrates the capability of a 3D printing technology in constructing a complex structure and the characteristics of high molding speed and high efficiency of an injection molding process, and provides a new process and a new device for rapid manufacturing of the fiber reinforced structural member.
Disclosure of Invention
The invention aims to provide printing and injection molding composite manufacturing equipment for a fiber reinforced structural member, which aims to solve the technical problems of complex forming process and longer manufacturing period of the fiber reinforced structural member caused by the need of a die in the traditional forming process and the problem of lower mechanical property of the current 3D printing fiber reinforced structural member.
The invention provides a printing and injection molding composite manufacturing device for a fiber reinforced structural member, which comprises a frame body, a driving assembly, a printing assembly, a conveying assembly, a clamping assembly and an injection molding assembly;
The printing component is connected to a power output end of the driving component, and can drive the printing component to move along the X-axis direction and move along the Y-axis direction;
the conveying component is connected to the other power output end of the driving component and arranged below the printing component, the driving component can drive the conveying component to move along the Z-axis direction, the clamping component is connected to the frame body, and the injection molding component is arranged on the side face of the frame body.
Further, the driving assembly comprises a first driving piece, a second driving piece and a third driving piece;
the first driving piece is arranged on the frame body, the output end of the first driving piece is connected with the second driving piece, the output end of the second driving piece is connected with the printing component, and the output end of the third driving piece is connected with the conveying component;
the first driving piece can drive the printing assembly to move along the X-axis direction through the second driving piece, the second driving piece can drive the printing assembly to move along the Y-axis direction, and the third driving piece can drive the conveying assembly to move along the Z-axis direction.
Further, the printing assembly comprises a driving mechanism, a thermoplastic material extruding mechanism and a continuous fiber reinforced material extruding mechanism;
the driving mechanism is connected with the output end of the second driving piece, the thermoplastic material extrusion mechanism is connected with the first output end of the driving mechanism, and the continuous fiber reinforced material extrusion mechanism is connected with the second output end of the driving mechanism;
The driving mechanism can drive the thermoplastic material extruding mechanism and the continuous fiber reinforced material extruding mechanism to move along the Z-axis direction.
Further, the thermoplastic material extrusion mechanism comprises a first thermoplastic material extruder, a first conveying pipe, a first heater, a first radiator and a first spray head;
the first output end of the driving mechanism is connected with the first thermoplastic material extruder, the output end of the first thermoplastic material extruder is connected with the input end of the first conveying pipe, the output end of the first conveying pipe is connected with the first heater, the first radiator is sleeved outside the first conveying pipe, and the first nozzle is connected with the output end of the first heater.
Further, the continuous fiber reinforced material extrusion mechanism comprises a second thermoplastic material extruder, a second conveying pipe, a second radiator, a tensioner, a third conveying pipe, a third radiator, a second heater and a second spray head;
the second thermoplastic material extruder is connected with a second output end of the driving mechanism, an input end of the second conveying pipe is connected with an output end of the second thermoplastic material extruder, and the second radiator is sleeved outside the second conveying pipe; the tensioner can adjust the tension of the continuous fiber material entering the third conveying pipe, the tensioner is arranged at the input end of the third conveying pipe, and the third radiator is sleeved outside the third conveying pipe;
The output end of the second conveying pipe and the output end of the third conveying pipe are connected with the input end of the second heater, and the output end of the second heater is connected with the second spray head.
Further, the conveying assembly comprises a sliding rail, a forming platform and a fourth driving piece;
the slide rail is connected with the output end of the third driving piece, the forming platform is connected with the slide rail in a sliding way, one end of the fourth driving piece is connected with the output end of the third driving piece, and the other end of the fourth driving piece is connected with the forming platform.
Further, the clamping assembly comprises a fifth driving piece and a mechanical claw;
the fifth driving piece is connected to the side wall of the frame body, and the mechanical claw is connected to the output end of the fifth driving piece.
Further, the injection molding assembly comprises a rotating frame, an injection molding machine, a crusher, a mixer and a third heater;
The rotary frame is connected to the side of the frame body, the injection molding machine is connected to the rotary frame, the crusher is arranged above the input end of the mixer, the output end of the mixer is connected to the input end of the injection molding machine, the third heater is connected to the injection molding machine, and the injection molding head of the injection molding machine is arranged above the molding platform.
The invention provides a printing and injection molding composite manufacturing device for a fiber reinforced structural member, which is characterized in that a driving component is connected to a frame body and fixed, the printing component is connected to a power output end of the driving component, the driving component can drive the printing component to move along an X-axis direction and move along a Y-axis direction, the driving component can also drive a conveying component to move along a Z-axis direction, the printing component can print thermoplastic materials and continuous fiber materials to realize three-dimensional printing of multiple materials, the conveying component is connected to an output end of the driving component to convey products printed by the printing component, a clamping component is connected to the frame body to realize automatic clamping of a wear-resistant structural member and embedding the wear-resistant structural member into a designated position of the printed part of products, the injection molding component is arranged on the side surface of the frame body to realize automatic injection molding of the structure printed by the printing component, and the fiber reinforced structural member manufactured by the device has high manufacturing speed and high comprehensive mechanical property. The equipment provided by the invention can be used for manufacturing the chopped fiber reinforced structural member, manufacturing the continuous fiber reinforced structural member and manufacturing the chopped fiber and continuous fiber mixed reinforced structural member, and simultaneously realizing the recyclable manufacturing of the thermoplastic material and the fiber reinforced material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a side of a device for manufacturing a fiber reinforced structural part by printing and injection molding composite according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of another side of the printing, injection molding and composite manufacturing apparatus for fiber reinforced structural members according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side of a printing module according to an embodiment of the present invention;
FIG. 4 is a schematic view of another side of a printing assembly according to an embodiment of the present invention;
FIG. 5 is a schematic view of a side of an injection molding assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of another side of an injection molding assembly according to an embodiment of the present invention;
Fig. 7 is a schematic structural view of a fiber reinforced structural member according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a fiber reinforced structural member with a positioning member not removed according to an embodiment of the present invention.
Icon:
100-frame body, 200-driving component and 300-printing component;
400-conveying assembly, 500-clamping assembly, 600-injection molding assembly;
201-first drive member, 202-second drive member, 203-third drive member;
301-a driving mechanism, 302-a thermoplastic material extrusion mechanism;
303-a continuous fiber reinforcement extrusion mechanism 304-a first thermoplastic extruder;
305-first delivery pipe, 306-first heater, 307-first radiator;
308-first nozzle, 309-second thermoplastic extruder;
310-second delivery pipe, 311-second radiator, 312-tensioner;
313-third delivery pipe, 314-third radiator, 315-second heater;
316-second spray head, 401-slide rail, 402-forming platform;
403-fourth driving piece, 501-fifth driving piece, 502-mechanical claw;
601-rotating frame, 602-injection molding machine, 603-crusher;
604-a mixer, 605-a third heater, 606-an injection head;
01-thermoplastic shell, 02-continuous fiber reinforcement layer, 03-wear-resistant structural member;
04-injection molding layer, 05-positioning piece, 06-thermoplastic material;
07-continuous fiber material.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 6, the printing and injection molding composite manufacturing equipment for a fiber reinforced structural member provided by the invention comprises a frame body 100, a driving assembly 200, a printing assembly 300, a conveying assembly 400, a clamping assembly 500 and an injection molding assembly 600;
The driving assembly 200 is connected to the frame body 100 by bolts, the printing assembly 300 is connected to a power output end of the driving assembly 200 by bolts, and the driving assembly 200 can drive the printing assembly 300 to move along the X-axis direction and along the Y-axis direction;
the conveying assembly 400 is connected to the other power output end of the driving assembly 200 by bolts and is arranged below the printing assembly 300, the driving assembly 200 can drive the conveying assembly 400 to move along the Z-axis direction, the clamping assembly 500 is connected to the frame 100 by bolts, and the injection molding assembly 600 is connected to the side surface of the frame 100 by bolts.
In one embodiment of the present invention, as shown in fig. 1,2, 7 and 8, when the driving component 200 starts the first driving component 201 in use, the first driving component 201 drives the printing component 300 to move along the direction of the X axis through the second driving component 202, so as to adjust the position of the printing component 300 in the direction of the X axis; when the driving component 200 starts the second driving component 202, the second driving component 202 drives the printing component 300 to move along the Y-axis direction, when the driving component 200 starts the third driving component 203, the third driving component 203 drives the conveying component 400 to move along the Z-axis direction, printing of the thermoplastic shell 01, the continuous fiber reinforced layer 02 and the positioning component 05 on the conveying component 400 is realized, the conveying component 400 starts, the printed thermoplastic shell 01, the continuous fiber reinforced layer 02 and the positioning component 05 are conveyed to the position below the clamping component 500, the clamping component 500 clamps the wear-resistant structural component 03 and embeds the wear-resistant structural component into the printed structural component, the positioning component 05 realizes the positioning of the wear-resistant structural component 03, the conveying component 400 starts again, the printed structure embedded into the wear-resistant structural component 03 is conveyed to the position below the printing component 300, the printing component 300 starts again, the thermoplastic material 06 continues to be printed, the wear-resistant structural component 03 is packaged inside the structure, after packaging, the conveying component 400 starts again, the semi-finished product with the wear-resistant structural component 03 is conveyed to the position below the injection molding component 600, the injection molding component 600 is started, the gap between the thermoplastic shell 01 and the continuous fiber reinforced layer 02 are sequentially formed, the required wear-resistant structural component 03 is removed, the gap between the continuous fiber reinforced layer 02 and the required to be positioned, and the wear-resistant structural component is finally formed, as shown in fig. 7.
The invention adopts 3D printing technology to directly construct the geometric outline of the complex part, avoids the defects of adopting various complex moulds in the prior art, fills the internal space of the geometric outline of the complex component by assisting an injection molding process in the printing process, improves the mechanical property of the 3D printing structural part, has simple production process, short production period and high efficiency, and avoids the defects of lower mechanical property of the structural part caused by directly printing the structural part by the 3D printing technology in the prior art.
Further, the drive assembly 200 includes a first drive member 201, a second drive member 202, and a third drive member 203;
The first driving piece 201 is connected to the frame body 100, the output end of the first driving piece 201 is connected to the second driving piece 202, the output end of the second driving piece 202 is connected to the printing assembly 300, and the output end of the third driving piece 203 is connected to the conveying assembly 400;
The first driving member 201 can drive the printing assembly 300 to move along the X-axis direction through the second driving member 202, the second driving member 202 can drive the printing assembly 300 to move along the Y-axis direction, and the third driving member 203 can drive the conveying assembly 400 to move along the Z-axis direction.
In one embodiment of the present invention, as shown in fig. 1 and 2, the frame 100 is a square frame structure, the first driving member 201, the second driving member 202 and the third driving member 203 are all driven by a combination of ball screws and servo motors, so as to ensure the stability of the movement of the printing assembly 300 in the X-axis direction and the Y-axis direction, and the stability of the movement of the conveying assembly 400 in the Z-axis direction, the first driving member 201 is connected to the top position of the frame 100 by a bolt, the second driving member 202 is connected to the output end of the first driving member 201 by a bolt, the output end of the second driving member 202 is connected to the printing assembly 300 by a bolt, so that the printing assembly 300 is suspended above the conveying assembly 400, and two ends of the second driving member 202 are respectively mounted on square frames on two sides of the frame 100 by guide rail sliders in a sliding manner.
The third driving member 203 is vertically coupled to the frame body 100 using bolts such that the third driving member 203 can drive the transport assembly 400 to move along the Z-axis direction.
In another embodiment of the present invention, the first driving member 201, the second driving member 202, and the third driving member 203 are all driven by hydraulic cylinders to ensure the stability of the movement of the printing assembly 300 in the X-axis direction and the Y-axis direction, and the stability of the movement of the conveying assembly 400 in the Z-axis direction.
Further, the printing assembly 300 includes a drive mechanism 301, a thermoplastic material extrusion mechanism 302, and a continuous fiber reinforcement material extrusion mechanism 303;
The driving mechanism 301 is connected with the output end of the second driving piece 202, the thermoplastic material extruding mechanism 302 is connected with the first output end of the driving mechanism 301, and the continuous fiber reinforced material extruding mechanism 303 is connected with the second output end of the driving mechanism 301;
The driving mechanism 301 can drive the thermoplastic material extruding mechanism 302 and the continuous fiber reinforced material extruding mechanism 303 to move along the Z-axis direction.
In one embodiment of the present invention, as shown in fig. 3 and 4, the driving mechanism 301 adopts a mode of combining a dual-drive stepper motor, a ball screw, a guide rail and a sliding block, the thermoplastic material extruding mechanism 302 is connected to a first output end of the dual-drive stepper motor, the sliding of the sliding block on the guide rail is used to drive the thermoplastic material extruding mechanism 302 to move along the Z-axis direction, the continuous fiber reinforced material extruding mechanism 303 is connected to a second output end of the dual-drive stepper motor, and the sliding of the sliding block on the guide rail is used to drive the continuous fiber reinforced material extruding mechanism 303 to move along the Z-axis direction, so that the stability of the movement of the thermoplastic material extruding mechanism 302 and the continuous fiber reinforced material extruding mechanism 303 in the Z-axis direction is ensured.
Further, the thermoplastic material extrusion mechanism 302 includes a first thermoplastic material extruder 304, a first delivery tube 305, a first heater 306, a first heat sink 307, and a first nozzle 308;
The first thermoplastic material extruder 304 is connected with the first output end of the driving mechanism 301, the input end of the first conveying pipe 305 is connected with the output end of the first thermoplastic material extruder 304, the output end of the first conveying pipe 305 is connected with the first heater 306, the first radiator 307 is sleeved outside the first conveying pipe 305, and the first nozzle 308 is connected with the output end of the first heater 306.
In one embodiment of the present invention, as shown in fig. 4, the first conveying pipe 305 is a vertically arranged throat pipe, the first heater 306 includes a metal block, a heating rod and a thermistor, and the first radiator 307 is a fan. When the dual-drive stepping motor is used, the first thermoplastic material extruder 304 is driven to move downwards along the Z axis by the structure of the ball screw, the sliding rail and the sliding block, the thermoplastic material 06 is placed at the input end of the first thermoplastic material extruder 304, the thermoplastic material 06 enters the throat pipe under the extrusion of the first thermoplastic material extruder 304, the extruded thermoplastic material 06 is heated by the heating rod, the heat generated by the throat pipe is radiated by the fan in the heating process, the heated thermoplastic material 06 is sprayed out along the first spray nozzle 308, the thermoplastic shell 01 and the positioning piece 05 start to be printed, and the thermoplastic shell 01 and the positioning piece 05 are molded on the conveying assembly 400.
After printing, the double-drive stepping motor is started again, and the first thermoplastic material extruder 304 is driven to move upwards along the Z axis through the structure of the ball screw, the sliding rail and the sliding block until the first thermoplastic material extruder returns.
Further, the continuous fiber reinforced material extrusion mechanism 303 includes a second thermoplastic material extruder 309, a second delivery pipe 310, a second heat sink 311, a tensioner 312, a third delivery pipe 313, a third heat sink 314, a second heater 315, and a second nozzle 316;
The tensioner 312 can adjust the tension of the continuous fiber material 07 entering the third conveying pipe 313, the tensioner 312 is connected with the input end of the third conveying pipe 313, and the third radiator 314 is sleeved outside the third conveying pipe 313;
The output end of the second conveying pipe 310 and the output end of the third conveying pipe 313 are both connected with the input end of the second heater 315, and the output end of the second heater 315 is connected with the second spray head 316.
In one embodiment of the present invention, as shown in fig. 4, the second conveying pipe 310 is a vertically arranged throat pipe, the third conveying pipe 313 is an obliquely arranged throat pipe, an included angle is formed between the second conveying pipe 310 and the third conveying pipe 313, the included angle ranges from 45 ° to 60 °, the second radiator 311 and the third radiator 314 are both fans, the tensioner 312 is a tensioner with a spring structure, and the second heater 315 comprises a metal block, a heating rod and a thermistor. When the dual-drive stepping motor is used, the second thermoplastic material extruder 309 is driven to move downwards along the Z axis by the structure of the ball screw, the sliding rail and the sliding block, the thermoplastic material 06 is placed into the input end of the second thermoplastic material extruder 309, the thermoplastic material 06 enters the vertically arranged throat under the extrusion of the second thermoplastic material extruder 309, the heat of the thermoplastic material 06 entering the vertically arranged throat is dissipated by the fan, then the thermoplastic material 06 enters the second heater 315, meanwhile, the continuous fiber material 07 enters the tensioner 312, the tensioner 312 can ensure the consistency of the trend of continuous fibers in the process of printing structural members, the continuous fiber material 07 has a certain tensioning force, the continuous fiber material 07 enters the obliquely arranged throat, the heat of the continuous fiber material 07 entering the obliquely arranged throat is dissipated by the fan, then the continuous fiber material 07 enters the second heater 315, at the moment, the thermoplastic material 06 and the continuous fiber material 07 are heated by the heating rod, the real-time mixing is carried out, the heated continuous fiber reinforced material is sprayed out along the second spray nozzle 316, and the continuous fiber reinforced layer 02 is printed, so that the continuous fiber reinforced layer 02 is formed in the peripheral wall 01 of the thermoplastic housing.
After the printing is finished, the double-drive stepping motor is started again, and the second thermoplastic material extruder 309 is driven to move upwards along the Z axis by the structure of the ball screw, the sliding rail and the sliding block until the second thermoplastic material extruder returns.
The invention adopts the double-drive stepping motor to respectively control the first thermoplastic material extruder 304 and the second thermoplastic material extruder 309, ensures that the thermoplastic shell 01, the continuous fiber reinforced layer 02 and the positioning piece 05 are respectively printed without mutual interference, and simultaneously can effectively avoid the interference of the non-working spray head on the scraping of the printed layer, and the like.
Further, the conveying assembly 400 includes a sliding rail 401, a molding platform 402, and a fourth driving member 403;
The slide rail 401 is connected to the output end of the third driving member 203, the molding platform 402 is slidably connected to the slide rail 401, one end of the fourth driving member 403 is connected to the output end of the third driving member 203, and the other end of the fourth driving member 403 is connected to the molding platform 402.
In one embodiment of the present invention, as shown in fig. 1, the fourth driving member 403 is a driving motor and a ball screw, the sliding rail 401 is connected to the output end of the third driving member 203 by a bolt, and the sliding rail 401 is disposed inside the frame 100. When the positioning piece 05 is used, after printing is finished, the driving motor is started, and the output end of the driving motor drives the forming platform 402 to move along the sliding rail 401, so that the forming platform 402 is conveyed to the position below the clamping assembly 500.
Further, the gripping assembly 500 includes a fifth driver 501 and a gripper 502;
The fifth driving member 501 is connected to a side wall of the frame 100, and the gripper 502 is connected to an output end of the fifth driving member 501.
In one embodiment of the present invention, as shown in fig. 1, the fifth driving member 501 is a six-degree-of-freedom mechanical arm, and can control the movement of the gripper 502, so that the gripper 502 can grasp or release the wear-resistant structural member 03, the gripper 502 can place the wear-resistant structural member 03 at a designated position, when in use, the driving motor is started, the gripper 502 grasps the wear-resistant structural member 03 on the side of the frame body 100 and places the wear-resistant structural member 03 at the designated position of the positioning member 05, then the fourth driving member 403 is started, the molding platform 402 is conveyed to the lower part of the printing assembly 300, the printing assembly 300 continues to print the thermoplastic material 06, the packaging of the wear-resistant structural member 03 is achieved, and after the packaging is completed, the fourth driving member 403 is started again, and the molding platform 402 is conveyed to the lower part of the injection molding assembly 600.
Further, the injection molding assembly 600 includes a rotating frame 601, an injection molding machine 602, a crusher 603, a mixer 604, and a third heater 605;
The rotary frame 601 is connected to the side of the frame body 100, the injection molding machine 602 is connected to the rotary frame 601, the crusher 603 is connected to the input end of the mixer 604, the output end of the mixer 604 is connected to the input end of the injection molding machine 602, the third heater 605 is connected to the injection molding machine 602, and the injection molding head 606 of the injection molding machine 602 is arranged above the molding platform 402.
In one embodiment of the invention, as shown in fig. 5 and 6, the rotating frame 601 comprises a first connecting frame at the lower part, a motor and a second connecting frame at the upper part, wherein the first connecting frame is connected with the motor by adopting a bolt, an output shaft of the motor is connected with a positioning shaft, the second connecting frame is connected with a shaft sleeve, the positioning shaft is connected in the shaft sleeve, and when the motor is started, the second connecting frame can be driven to rotate relative to the first connecting frame, and the rotating angle is between 0 degrees and 90 degrees.
The crusher 603 may crush the leftover material of the printing material and cut the fiber material for recycling.
The third heater 605 is a heating cylinder, and the mixer 604 includes a stirring tank and a motor, and when the motor is started, the stirring tank can be driven to perform stirring operation. A single type of material may be placed in the mixer 604 or a mixture of materials may be placed.
When the fiber reinforced plastic structural member forming machine is used, an injection molding material is placed into a crusher 603, the crusher 603 crushes the injection molding material, the crushed injection molding material enters a mixer 604 for stirring and mixing, then enters an injection molding machine 602 for heating by a heating cylinder, the heated injection molding material is extruded along an injection molding head 606 under the extrusion action of the injection molding machine 602, and the injection molding head 606 sequentially performs injection molding filling on gaps between a thermoplastic shell 01 and a continuous fiber reinforced layer 02 and gaps between the continuous fiber reinforced layer 02 and a wear-resistant structural member 03, so that the fiber reinforced structural member forming is completed.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.
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