阅读说明：本技术 一种风电叶片壳体快速灌注成型模具及其制作方法 (wind power blade shell rapid perfusion forming die and manufacturing method thereof ) 是由 张平 陶雷 王建博 白高宇 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种风电叶片壳体快速灌注成型模具及其制作方法,包括叶片壳体模具阴模,还包括导流管网,所述叶片壳体模具阴模的玻璃钢表面形成为适应叶片形状的弧形型面,且弧形型面上均布有多个导流槽,每个导流槽沿叶片壳体模具阴模的一端延伸至另一端,所述导流管网设于弧形型面上,并由多个导流管组成,该多个导流管纵横交错构成网状结构,两两相交的导流管之间相互连通,所述纵向的导流管的数量与导流槽的数量相同,且一个纵向的导流管对应设于一个导流槽内,所述导流管的两端为注胶点,每个导流管的上表面还形成有多个出胶孔。本发明实现模具的快速成型,节约成型时间,节约出品效率,规避了产品底面包络、干砂的缺陷风险,提升产品质量。(The invention discloses a wind power blade shell rapid perfusion forming die and a manufacturing method thereof, the forming die comprises a blade shell die female die and a diversion pipe network, the glass fiber reinforced plastic surface of the blade shell die female die forms an arc-shaped surface adapting to the shape of a blade, a plurality of diversion grooves are uniformly distributed on the arc-shaped surface, each diversion groove extends to the other end along the end of the blade shell die female die, the diversion pipe network is arranged on the arc-shaped surface and consists of a plurality of diversion pipes, the diversion pipes are criss-cross to form a net-shaped structure, every two diversion pipes which are intersected are mutually communicated, the number of the longitudinal diversion pipes is the same as that of the diversion grooves, longitudinal diversion pipes are correspondingly arranged in diversion grooves, the two ends of the diversion pipes are glue injection points, and a plurality of glue outlet holes are also formed on the upper surface of each diversion pipe.)

The utility model provides a wind-powered electricity generation blade casing fast pouring forming die, includes blade casing mould bed die, its characterized in that still includes the guiding pipe net, the glass steel surface of blade casing mould bed die forms the arc profile that adapts to the blade shape, and the equipartition has a plurality of guiding gutters on the arc profile, and each guiding gutter extends to end in addition along the end of blade casing mould bed die, the guiding pipe net is located on the arc profile, and comprises a plurality of honeycomb ducts, and this a plurality of honeycomb ducts vertically and horizontally staggered constitute network structure, and intercommunication each other between two liang of honeycomb ducts that intersect, the quantity of longitudinal honeycomb duct is the same with the quantity of guiding gutter, and longitudinal honeycomb ducts correspond and locate guiding gutters in, the both ends of honeycomb duct are the injecting glue point, and the upper surface of each honeycomb duct still is formed with a plurality of glue outlet, and the resin injection machine that matches with the mould is connected with the injecting glue point through advancing the glue hose, realizes the resin water conservancy diversion shaping mode from the mould surface of blade casing bottom surface to.

2. The kind of wind turbine blade shell rapid perfusion forming die of claim 1, wherein the lower surface of the draft tube is shaped to fit the draft tube, the upper surface of the draft tube is shaped to fit the arc of the arc profile, and the arc of the longitudinal draft tube is flush with the arc profile.

3, A method for manufacturing a wind turbine blade shell rapid pouring molding die as claimed in claim 1, which comprises the following steps,

1) processing the glass fiber reinforced plastic surface of the female die of the blade shell die into an arc-shaped profile adapted to the shape of the blade, and processing a plurality of guide grooves on the arc-shaped profile, wherein each guide groove extends to the other end along the end of the female die of the blade shell die;

2) the assembled diversion pipe network is formed by assembling a plurality of diversion pipes, the lower surfaces of the diversion pipes are processed into shapes suitable for diversion trenches, the upper surfaces of the diversion pipes are processed into arc-shaped surfaces suitable for arc-shaped surfaces, a plurality of glue outlet holes are processed on the upper surfaces of the diversion pipes and used for guiding resin in the pouring process, glue injection points are arranged at the two ends of the diversion pipes, the diversion pipes are vertically and horizontally staggered to form a net-shaped structure, the number of the longitudinal diversion pipes is equal to that of the diversion trenches, the assembled diversion pipe network is arranged on the arc-shaped surfaces in a mode that longitudinal diversion pipes correspond to diversion trenches, and the upper surfaces of the diversion pipes are parallel and level to the arc-shaped surfaces;

3) increasing or reducing glue injection points according to the molding requirement of the blade shell in different areas, connecting a resin machine matched with the mold with the selected glue injection points through glue injection hoses, and blocking the unnecessary glue injection points to form a glue injection system;

4) and a blade shell structure layer and an air-pumping vacuum system are laid in sequence, and the air-pumping vacuum system is connected with a vacuum pump, so that a resin flow guide molding mode from the surface of a mold, namely the bottom surface of the blade shell to the surface of the blade shell is realized.

Technical Field

The invention relates to the technical field of blade mould structures and flow guide systems of wind generating sets, in particular to a rapid perfusion forming mould for wind power blade shells and a manufacturing method thereof.

Background

At present, a traditional method for manufacturing a blade shell is to lay a structural cloth layer, a main beam, a core material and the like on the surfaces of a SS surface mould and a PS surface mould of a blade respectively, then after the structural layer is completely laid, an auxiliary flow guide material is placed on the surface of the structural layer, then a vacuum air suction maintaining system is manufactured, and finally resin is introduced, so that the resin is infiltrated to the bottom surface from the surface in the thickness direction through the surface flow guide material, and the width (chord direction) direction and the length (axial direction) direction are sequentially pushed to be poured.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides wind turbine blade shell rapid perfusion forming dies and manufacturing methods thereof, wherein the existing resin flow guiding mode from the surface of a product to the bottom surface and from the middle of the product to two sides is changed into a forming mode from the surface of the die (namely the bottom surface of the product) to the surface of the product by , so that the rapid forming of the die is realized, the forming time is greatly saved, the product production efficiency is saved, the defect risks of enveloping and drying sand on the bottom surface of the product are avoided, and the product quality is improved.

wind-powered electricity generation blade shell quick pouring forming die, including the female die of blade shell mould, also include the guide pipe network, the glass steel surface of the female die of the said blade shell mould forms the arcuate profile adapting to the shape of blade, and there are multiple guide grooves on the arcuate profile, each guide groove extends to another end along end of the female die of blade shell mould, the said guide pipe network locates on arcuate profile, and it is made up of multiple honeycomb ducts, the multiple honeycomb ducts criss-cross form the network structure, connect each other between the honeycomb ducts intersected every two, the quantity of the said longitudinal honeycomb duct is the same as the quantity of the guide groove, and longitudinal honeycomb ducts are located in guide grooves correspondingly, both ends of the said honeycomb duct are the glue injection point, there are multiple glue outlet holes on the upper surface of each honeycomb duct, the resin machine matching with mould is connected with the glue injection point through the glue inlet hose, realize from the bottom surface of the mould namely blade shell to the surface of the blade shell and lead the shaping mode of resin flow.

, the lower surface of the draft tube is formed to be adapted to the shape of the draft groove, the upper surface of the draft tube is formed to be an arc-shaped surface adapted to the arc-shaped profile, and the arc-shaped surface of the longitudinal draft tube is flush with the arc-shaped profile.

method for manufacturing a rapid pouring forming die for a wind turbine blade shell, which comprises the following steps,

1) processing the glass fiber reinforced plastic surface of the female die of the blade shell die into an arc-shaped profile adapted to the shape of the blade, and processing a plurality of guide grooves on the arc-shaped profile, wherein each guide groove extends to the other end along the end of the female die of the blade shell die;

2) the assembled diversion pipe network is formed by assembling a plurality of diversion pipes, the lower surfaces of the diversion pipes are processed into shapes suitable for diversion trenches, the upper surfaces of the diversion pipes are processed into arc-shaped surfaces suitable for arc-shaped surfaces, a plurality of glue outlet holes are processed on the upper surfaces of the diversion pipes and used for guiding resin in the pouring process, glue injection points are arranged at the two ends of the diversion pipes, the diversion pipes are vertically and horizontally staggered to form a net-shaped structure, the number of the longitudinal diversion pipes is equal to that of the diversion trenches, the assembled diversion pipe network is arranged on the arc-shaped surfaces in a mode that longitudinal diversion pipes correspond to diversion trenches, and the upper surfaces of the diversion pipes are parallel and level to the arc-shaped surfaces;

3) increasing or reducing glue injection points according to the molding requirement of the blade shell in different areas, connecting a resin machine matched with the mold with the selected glue injection points through glue injection hoses, and blocking the unnecessary glue injection points to form a glue injection system;

4) and a blade shell structure layer and an air-pumping vacuum system are laid in sequence, and the air-pumping vacuum system is connected with a vacuum pump, so that a resin flow guide molding mode from the surface of a mold, namely the bottom surface of the blade shell to the surface of the blade shell is realized.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the mould changes the prior resin flow guiding mode from the surface of a product to the bottom surface and from the middle of the product to two sides into a forming mode from the surface of the mould (namely the bottom surface of the product) to the surface of the product through the design of the flow guiding grooves and the flow guiding pipe network, so that the resin guiding efficiency is high, the mould is optimized and quickly formed, and the product yield is greatly saved during forming.

2. The mould provided by the invention provides a stable flow guiding and drainage channel through the design of the flow guiding pipe network, avoids the risk of resin surrounding the bottom surface of a product, reduces the pouring time, reduces the pouring risk and improves the product quality.

Drawings

Fig. 1 is a schematic view of the operation of the mold of the present invention.

Fig. 2 is a partially enlarged view of the mold of the present invention.

Fig. 3 is a schematic structural view of a flow guide groove of the present invention.

Fig. 4 is a schematic structural diagram of a diversion pipe network of the present invention.

Fig. 5 is a schematic structural view of the draft tube of the present invention.

Detailed Description

The invention is further illustrated in with reference to specific examples.

As shown in fig. 1 to 5, the wind turbine blade shell rapid injection molding mold according to this embodiment includes a blade shell mold female mold 1, and further includes a diversion pipe network, the glass fiber reinforced plastic surface of the blade shell mold female mold 1 is formed into an arc-shaped profile 101 adapted to a blade shape, and a plurality of diversion grooves 102 are uniformly distributed on the arc-shaped profile 101, each diversion groove 102 extends to another end along the end of the blade shell mold female mold 1, the diversion pipe network is disposed on the arc-shaped profile 101 and is composed of a plurality of diversion pipes 201, the lower surface of the diversion pipe 201 is formed into a shape adapted to the diversion grooves 102, the upper surface thereof is formed into an arc-shaped profile adapted to the arc-shaped profile 101, both ends thereof are glue injection points 2012, the upper surface thereof is further formed with a plurality of glue outlet holes 2011, the plurality of diversion pipes 201 are criss-crossed to form a mesh-shaped diversion structure, the diversion pipes 201 are mutually communicated and connected through a connector 202, the connector 202 of this embodiment is disposed on the upper surface of the diversion pipe 201, and most preferably disposed on the lower surface of the diversion pipe 201, which has a smaller influence on the appearance of a product molding hose 633, and the longitudinal resin of the diversion pipe 201, so that the diversion pipe network of the diversion pipe 201 is aligned with the corresponding diversion pipe 201, and the bottom surface of the diversion pipe 201, and the diversion pipe network of the diversion pipe 201, so.

The manufacturing method of the rapid pouring forming die for the wind power blade shell comprises the following steps,

1) the method comprises the following steps of processing the glass fiber reinforced plastic surface of a blade shell mold female die 1 into an arc-shaped molded surface 101 adaptive to the shape of a blade, processing a plurality of flow guide grooves 102 on the arc-shaped molded surface 101, wherein each flow guide groove 102 extends to the other end along the end of the blade shell mold female die 1, and the method of processing the flow guide grooves on the glass fiber reinforced plastic surface in advance is different from the traditional operation that a feeding pipe is manually arranged on the surface of a structural layer, so that the risk is uncontrollable, and the operation is simple and controllable;

2) the assembled diversion pipe network is formed by assembling a plurality of specially-made diversion pipes 201, the lower surfaces of the diversion pipes 201 are processed to be adaptive to the shapes of the diversion trenches 102, the upper surfaces of the diversion pipes 201 are processed to be adaptive to the arc-shaped surfaces of the arc-shaped profiles 101, a plurality of glue outlet holes 2011 are processed for guiding resin in the pouring process, glue injection points 2012 are arranged at the two ends of the diversion pipes, the diversion pipes 201 are criss-cross to form a net-shaped diversion structure, the number of the longitudinal diversion pipes 201 is set to be the same as that of the diversion trenches 102, the assembled diversion pipe network is arranged on the arc-shaped profiles 101 in a mode that longitudinal diversion pipes 201 correspond to diversion trenches 102, the upper surfaces of the diversion pipes 201 are enabled to be parallel and level with the arc-shaped profiles 101, and the;

3) selecting to increase or decrease glue injection points 2012 according to the molding requirements of the blade shells in different areas, connecting a resin machine 3 matched with the mold with the selected glue injection points 2012 through a glue injection hose, and blocking the unnecessary glue injection points 2012 to form a glue injection system;

4) and a blade shell structure layer and an air-pumping vacuum system are laid in sequence, and the air-pumping vacuum system is connected with a vacuum pump 4, so that a resin flow guide molding mode from the surface of a mold, namely the bottom surface of the blade shell to the surface of the blade shell is realized.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.