Automatic forming equipment for composite material cabin section with complex section
Technical Field
The invention belongs to production equipment of composite materials, and particularly relates to automatic forming equipment of a composite material cabin section with a complex section.
Background
Low cost liquid forming processes (e.g., RTM, VARI, etc.) for composite materials have been widely used in various areas of composite material technology and have evolved from the production of secondary load bearing structures to the production of primary load bearing structures. The traditional RTM equipment is generally independent and separated from a product die, a vacuum system and the like, and the RTM die for the cabin section of the composite material is related to sealing and the like, a large number of fastening screws are generally adopted for shrinking and sealing the die, the die is heated and injected in an oven, the temperature rising rate is low, the injection environment is poor, the die filling and the stripping efficiency of the product at the cabin section are low, and continuous automatic production is difficult to realize, so that the product scale is influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention designs automatic molding equipment for the complex-section composite material cabin section, which is capable of automatically closing the mold and completing the glue injection molding.
The technical scheme of the invention is as follows:
The automatic forming equipment for the complex-section composite material cabin section comprises a first end plate and is characterized in that a plurality of wall plates are vertically arranged on the first end plate, a cavity is formed by surrounding the plurality of wall plates, the automatic forming equipment also comprises a male mold assembly which is arranged in the middle of the cavity and connected with the first end plate, a plurality of spacing blocks are distributed on the inner wall of the wall plates, guide spaces are formed between every two adjacent spacing blocks, a female mold unit is arranged in each guide space, a driving assembly for driving the female mold unit to move in the guide space is further arranged on the wall plate, all the female mold units surround to form a finished female mold assembly, a second end plate is further arranged at the upper end of the wall plate, the second end plate is connected with the upper end of the female mold unit, a plurality of glue injection ports are formed in the first end plate, and glue outlets are formed in the second end plate.
Further, a guide rail is arranged on the surface of the corresponding first end plate of each guide space, and a guide groove matched with the guide rail is arranged on the female die unit.
Further, the male die assembly comprises a core die supporting frame connected with the first end plate, a plurality of male die units are fixed on the outer side of the core die supporting frame through fasteners, and the male die units are encircled to form a complete male die.
Further, the mandrel support frame include the support frame underframe to and with support frame underframe integrated into one piece's bottom fixed block, still include a support frame top frame, be equipped with a plurality of connecting rod between support frame underframe and support frame top frame, the male mould unit passes through the fastener to be connected on the connecting rod, first end plate on be equipped with the accommodation hole that holds the bottom fixed block.
Further, the lower surface of the bottom fixing block is provided with an error-proofing hole, and the bottom surface of the accommodating hole is provided with an error-proofing block matched with the error-proofing hole.
Further, the support frame underframe include first frame pole, the both ends acute angle transition of first frame pole is connected with second frame pole and third frame pole respectively, passes through an arc portion transition between second frame pole and the third frame pole, first frame pole, second frame pole and third frame pole surround and form a space, the bottom fixed block is located this space and is connected in first frame pole, second frame pole and third frame pole respectively, the support frame roof frame be a circular framework.
Further, a positioning convex edge is arranged on the lower end face of each male die unit, and a positioning groove matched with the positioning convex edge is arranged on the first end plate.
Further, a limiting convex edge is arranged on the upper end face of each male die unit, a through hole is arranged on the second end plate, a limiting ring is formed on the second end plate at the lower edge of the through hole, and the inner side face of the limiting convex edge abuts against the outer side face of the limiting ring.
Further, each female die unit is internally provided with an oil channel, the wall plate is provided with a sliding hole, and an oil supply pipeline connected with the oil channel is arranged in the sliding hole.
In summary, the invention has the following beneficial effects:
1. The invention designs automatic forming equipment, which drives the die assembly function of the female die unit through the driving component, ensures the dimensional accuracy between the female die and the male die through the driving component after die assembly is completed, and then ensures the dimensional accuracy of products.
2. According to the invention, the oil way pipeline is arranged in the female die, the die temperature can be controlled through hot oil or cold oil, the die temperature is controlled more accurately, the problems of slow die temperature rise and uneven temperature in the prior art are overcome, the fluidity of epoxy resin for injecting glue is ensured, so that a product with more stable product quality is obtained, meanwhile, the automatic forming equipment does not need to be placed in an oven, the equipment investment is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a first end plate and wall plate connection;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic perspective view of the present invention in semi-section;
fig. 5 is a perspective view of a mandrel support frame;
fig. 6 is a schematic front view of a mandrel support frame;
fig. 7 is a schematic perspective view of the male mold assembly after being connected to a core mold support;
fig. 8 is a schematic perspective view of the male mold assembly from another perspective after connection to the core mold support;
in the figure, 1 is a first end plate, 10 is a glue injection port, 11 is a containing hole, 110 is an error proofing block, 12 is a positioning groove,
2 Is a wall plate, 20 is a spacing block, 21 is a guiding space, 22 is a glue outlet, 210 is a guide rail, 23 is a sliding hole, 24 is an oil supply pipeline,
3 Is a cavity, and the cavity is a cavity,
4 Is a male mold assembly, 40 is a core mold supporting frame, 41 is a male mold unit, 401 is a supporting frame bottom frame, 402 is a bottom fixing block, 403 is a supporting frame top frame, 404 is a connecting rod, 4020 is a mistake proofing hole, 4010 is a first frame rod, 4011 is a second frame rod, 4012 is a third frame rod, 410 is a positioning convex edge, 411 is a limiting convex edge,
5 Is a female die assembly, 50 is a female die unit, 501 is a guide groove, 502 is an oil way pipeline,
And 6 is a driving component, and the driving component is a driving component,
7 Is a second end plate, 70 is a through hole, and 71 is a limiting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Referring to fig. 1, the automatic molding equipment for the composite material cabin section with the complex section comprises a first end plate 1 and is characterized in that a plurality of wall plates 2 are vertically arranged on the first end plate 1, a cavity 3 is formed by surrounding the plurality of wall plates 2, a male mold assembly 4 is arranged in the middle of the cavity 3 and connected with the first end plate 1, a plurality of spacing blocks 20 are distributed on the inner wall of the wall plate 2, a guide space 21 is formed between every two adjacent spacing blocks 20, a female mold unit 50 is arranged in each guide space 21, a driving assembly 6 for driving the female mold unit 50 to move in the guide space 21 is further arranged on the wall plate, a finished female mold assembly 5 is formed by surrounding all the female mold units 50, a second end plate 7 is further arranged at the upper end of the wall plate 2, the second end plate 7 is connected with the upper end of the female mold unit, a plurality of glue injection ports 10 are formed in the first end plate 1, and glue outlet ports 22 are formed in the second end plate 7.
The invention designs automatic molding equipment for complex-section composite material cabin sections, the space in a cavity is divided by a spacing block to form a plurality of regular guide spaces, so that female dies are divided, the divided female die units can slide in the guide spaces, all female die units are encircled to form a finished female die assembly, a die cavity for containing products is formed between the female die assembly and the male die assembly, a glue injection port and a glue outlet are communicated with the die cavity, the female die units are driven to slide in the guide spaces by a driving assembly, die assembly of the male die and the female die is realized, and the positions of the male die and the female die after die assembly are kept by the driving assembly, so that the dimensional accuracy of the products is ensured, in addition, the automatic die assembly and die assembly speed is ensured, the problem that the consumed time of manual die assembly and die assembly in the prior art is high is overcome, the production efficiency is greatly improved, the consistency of the precision of the die assembly and the die assembly is ensured, the problem of poor consistency of manual operation in the prior art is overcome, and the consistency of the products is also ensured, and the automatic die assembly and the automatic molding machine is suitable for the mass production of the products.
Further, referring to fig. 3 and 4, the surface of the corresponding first end plate of each guiding space is provided with a guide rail 210, the female die unit 50 is provided with a guide groove 501 matched with the guide rail, and under normal conditions, the side wall of the female die unit is attached to the wall surface of the guiding space, so that the guiding of the female die unit is realized, and in order to further improve the moving precision of the female die unit, the precision of the female die unit when the female die unit is assembled into the female die assembly is better ensured, and therefore, the guide rail and the guide groove are provided.
Referring to fig. 5 to 8, the male mold assembly 4 includes a core mold support 40 connected to the first end plate, a plurality of male mold units 41 are fixed on the outer side of the core mold support 40 through fasteners, the male mold units 41 are surrounded to form a complete male mold, the male mold assembly in this embodiment adopts a split type structural design of the core mold support and the male mold units, the core mold support is used for fixing and positioning the first end plate, and the male mold units can be detached, so that the subsequent demolding operation is facilitated.
The mandrel support frame 40 include support frame underframe 401 to and with support frame underframe integrated into one piece's bottom fixed block 402, still include a support frame top frame 403, be equipped with a plurality of connecting rod 404 between support frame underframe 401 and support frame top frame 403, the male die unit 41 passes through the fastener and connects on the connecting rod, first end plate 1 on be equipped with the accommodation hole 11 that holds the bottom fixed block, limited the structure of mandrel support frame in this embodiment, the structural design of adopting upper and lower end frame and middle connecting rod, the male die unit is connected in the outside of mandrel support frame, conveniently demold whole male die unit from inside, more conveniently carry out the drawing of patterns operation, reduce the impact that the spare part probably receives in the drawing of patterns process, guaranteed the quality of product.
The lower surface of bottom fixed block 402 be equipped with mistake proofing hole 4020, the bottom surface of accommodation hole 11 on be equipped with mistake proofing hole complex mistake proofing piece 110, because the cross-section of cabin section is complicated, and asymmetric, if female die and positive die assembly are wrong, probably can cause the mould damage, so guarantee the installation direction of positive die assembly through the cooperation of mistake proofing hole and mistake proofing piece to avoid the problem of the mould damage that the positive die assembly installation mistake caused.
Further, the support frame bottom frame 401 includes a first frame rod 4010, acute angle transitions at two ends of the first frame rod 4010 are respectively connected with a second frame rod 4011 and a third frame rod 4012, the second frame rod 4011 and the third frame rod 4012 are in transition through an arc portion, the first frame rod, the second frame rod and the third frame rod surround to form a space, the bottom fixing block 402 is located in the space and is respectively connected with the first frame rod 4010, the second frame rod 4011 and the third frame rod 4012, the support frame top frame 403 is a circular frame body, the shapes of the support frame bottom frame and the support frame top frame are limited, and the support frame bottom frame and the support frame top frame can be better matched with the shape of the male die due to the fact that the cabin section is a variable cross section body in transition from a triangle to a circular shape.
Further, the lower end surface of each male die unit 41 is provided with a positioning convex edge 410, the first end plate 1 is provided with a positioning groove 12 matched with the positioning convex edge, and the positioning convex edge and the positioning groove are arranged, on one hand, the matching of the positioning convex edge and the positioning groove can check whether the male die assembly is installed correctly, the problem of the wrong installation of the male die assembly is avoided, on the other hand, the positioning groove can provide a supporting force in cooperation with the positioning convex edge, the reliability of the male die positioning in the glue injection process is guaranteed, and the problem that the product size error is large due to the displacement of the male die is avoided.
Referring to fig. 4, a limiting ridge 411 is disposed on the upper end surface of each male die unit 41, a through hole 70 is disposed on the second end plate 7, a limiting ring 71 is formed on the second end plate at the lower edge of the through hole 70, the inner side surface of the limiting ridge 411 abuts against the outer side surface of the limiting ring 71, in this embodiment, the upper end of the male die is limited and supported by the cooperation of the limiting ridge and the limiting ring, the reliability of positioning of the male die in the glue injection process is ensured, and the problem of large product size error caused by displacement of the male die is avoided.
Referring to fig. 4, each female die unit 50 is provided with an oil channel 502, the wall plate 2 is provided with a sliding hole 23, an oil supply pipeline 24 connected with the oil channel is installed in the sliding hole, the structure of the female die unit is improved, the oil channel arranged in each female die unit can be controlled by adding heat conducting media with different temperatures into the oil channel, so that the whole automatic forming equipment can be used in a normal temperature environment, the problem that the use environment in the prior art that the temperature of the whole die is increased when the die is placed into an oven is harsh and cannot be used repeatedly is solved, the automatic forming equipment can continuously and stably perform mass production, the efficiency of product production is effectively improved, the temperature of the female die and the male die can be quickly increased through hot heat conducting media before glue injection, the die temperature can be quickly reduced through cold heat conducting media after the glue injection is completed, and the time required for waiting for cooling the die is shortened.
In summary, the invention has the following beneficial effects:
1. The invention designs automatic forming equipment, which drives the die assembly function of the female die unit through the driving component, ensures the dimensional accuracy between the female die and the male die through the driving component after die assembly is completed, and then ensures the dimensional accuracy of products.
2. According to the invention, the oil way pipeline is arranged in the female die, the die temperature can be controlled through hot oil or cold oil, the die temperature is controlled more accurately, the problems of slow die temperature rise and uneven temperature in the prior art are overcome, the fluidity of epoxy resin for injecting glue is ensured, so that a product with more stable product quality is obtained, meanwhile, the automatic forming equipment does not need to be placed in an oven, the equipment investment is reduced, and the production efficiency is improved.