Tool for forming composite material lens cone

Abstract

The utility model discloses a tool for forming a composite material lens cone, which comprises an annular outer die I, an annular outer die II, a plurality of inner die upper core blocks, a plurality of inner die lower core blocks, an outer die upper pressing plate and an outer die lower pressing plate, a plurality of counterbores are arranged on the end surfaces of the two sides of the annular outer die I, and the annular outer die I is connected with the end surfaces of the two sides of the annular outer die II through screws; a plurality of threaded holes corresponding to the counterbores of the annular outer mold I are formed in the end faces of the two sides of the annular outer mold II; a plurality of threaded holes are formed in the upper end face and the lower end face of the annular outer die II, and the outer die upper pressing plate and the outer die lower pressing plate are connected through screws. The lower end face of the outer mold upper pressing plate is matched with the upper end faces of the multiple inner mold upper core blocks. The upper end face of the outer die lower pressing plate is matched with the lower end faces of the inner die lower core blocks. The utility model relates to the field of composite material forming, in particular to a tool for forming a composite material lens barrel, which can realize uniform compression in the forming process of longitudinal and transverse ribs and a main body of the composite material lens barrel.

Description

Technical Field

[0001] The utility model relates to the field of composite material molding, in particular to a tooling for composite material lens barrel molding. Background Art

[0002] As the main supporting part of the front optical path of the satellite camera, the composite lens barrel needs longitudinal and transverse ribs as the load-bearing reinforcement structure on the facade. For composite lens barrels with smaller sizes, compression molding can be used to ensure sufficient compaction of the longitudinal and transverse ribs during the molding process. However, due to the limitations of the size and pressure of the compression molding equipment, compression molding is not suitable for composite lens barrels with larger sizes and complex contours, and the cost of compression molding tooling is relatively high. Therefore, in response to the existing problems, this scheme provides a composite lens barrel molding tool, which can achieve uniform compression of the longitudinal and transverse ribs and the main body of the composite lens barrel. The molding tool is simple in design, easy to process, and convenient to operate in molding and curing. Utility Model Content

[0003] In view of the above situation, in order to overcome the current technical defects, the utility model provides a tooling for composite material lens barrel molding, through which the longitudinal and transverse ribs of the composite material lens barrel and the main body can be uniformly compressed during the molding process.

[0004] The technical scheme adopted by the utility model is as follows: the tooling for composite material lens barrel molding provided by the scheme comprises: an annular outer mold I, an annular outer mold II, a plurality of inner mold upper core blocks, a plurality of inner mold lower core blocks, an outer mold upper pressure plate and an outer mold lower pressure plate, a plurality of countersunk holes are arranged on the end faces on both sides of the annular outer mold I, which are connected to the end faces on both sides of the annular outer mold II by screws, and a plurality of threaded holes corresponding to the plurality of countersunk holes of the annular outer mold I are arranged on the end faces on both sides of the annular outer mold II; a plurality of threaded holes are arranged on the upper and lower end faces of the annular outer mold II, which are connected to the outer mold upper pressure plate and the outer mold lower pressure plate by screws; the outer mold upper pressure plate The lower end surface matches with the upper end surfaces of several inner mold upper core blocks; the upper end surface of the outer mold lower pressure plate matches with the lower end surfaces of several inner mold lower core blocks; the inner side dimensions of the several inner mold upper core blocks are consistent with the outer dimensions of the composite material lens barrel, the outer dimensions of the several inner mold upper core blocks are consistent with the inner side dimensions of the annular outer mold I and the annular outer mold II, and the lower end surfaces of the several inner mold upper core blocks match with the upper end surfaces of several inner mold lower core blocks; the inner side dimensions of the several inner mold lower core blocks are consistent with the outer dimensions of the composite material lens barrel, and the outer dimensions of the several inner mold lower core blocks are consistent with the inner side dimensions of the annular outer mold I and the annular outer mold II.

[0005] In a preferred embodiment of the utility model, the inner mold upper core block and the inner mold lower core block are provided with overflow grooves.

[0006] In a preferred embodiment of the utility model, positioning waist holes are provided on the annular outer mold I and the annular outer mold II.

[0007] In a preferred embodiment of the utility model, rubber grooves are arranged on both side end surfaces of the upper core block of the inner mold, and heat expansion silicone rubber is arranged in the rubber grooves.

[0008] In a preferred embodiment of the utility model, rubber grooves are arranged on both side end surfaces of the lower core block of the inner mold, and heat expansion silicone rubber is arranged in the rubber grooves.

[0009] In a preferred embodiment of the utility model, an expansion gap of 0.2mm-0.5mm is left between the heat-expandable silicone rubber arranged in the rubber groove and the longitudinal ribs of the composite material lens barrel.

[0010] In a preferred embodiment of the utility model, the outer mold upper pressing plate and the outer mold lower pressing plate are provided with penetrating rings for laying vacuum-assisted materials.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows: the utility model is a tooling for molding a composite material lens barrel, which has the advantages that the tooling can achieve uniform compression of the longitudinal and transverse ribs and the main body of the composite material lens barrel, the molding tooling is simple in design, easy to process, and the molding and curing operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the assembly of the tooling for forming the composite material lens barrel of the utility model;

[0014] Figure 2 The utility model is a schematic diagram of the upper block of the core mold of the tooling for molding the composite material lens barrel.

[0015] Among them, 110, annular outer mold I, 120, annular outer mold II, 210, inner mold upper core block, 220, inner mold lower core block, 310, outer mold upper pressure plate, 320, outer mold lower pressure plate. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] like Figure 1 and Figure 2 As shown, the technical solution adopted by the utility model is as follows: the tooling for composite lens barrel molding provided by the scheme includes: an annular outer mold I-110, an annular outer mold II-120, a plurality of inner mold upper core blocks 210, a plurality of inner mold lower core blocks 220, an outer mold upper pressure plate 310, an outer mold lower pressure plate 320, expansion rubber 230 is arranged on both sides of the plurality of inner mold upper core blocks 210 and the plurality of inner mold lower core blocks 220, and an expansion rubber 230 is arranged on the outer periphery of the plurality of inner mold upper core blocks 210 and the plurality of inner mold lower core blocks 220. A certain number of layers of carbon fiber prepreg are coated, and a number of inner mold upper core blocks 210 and a number of inner mold lower core blocks 220 are fixed on the annular outer mold I-110 and the annular outer mold II-120 with pin screws through the upper and lower positioning waist holes on the annular outer mold I-110 and the annular outer mold II-120. Then, they are fastened with hexagon socket screws and threaded holes on the annular outer mold II-120 through the through holes on the annular outer mold I-110. After the mold is closed, the whole is coated with a certain number of layers of carbon fiber prepreg.

[0019] like Figure 1 As shown, a plurality of threaded holes are arranged on the upper and lower surfaces of the annular outer mold Ⅰ-110 and the annular outer mold Ⅱ-120, which are fastened by hexagon socket screws through a plurality of through holes arranged on the outer mold upper pressure plate 310 and the outer mold lower pressure plate 320; the auxiliary materials for curing are passed through the inner circle holes of the outer mold upper pressure plate 310 and the outer mold lower pressure plate 320, and a vacuum bag is manufactured, which is evacuated by a vacuum pump and placed in an autoclave for heating and curing.

[0020] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool for molding a composite material lens barrel, characterized in that: The invention comprises an annular outer mold I, an annular outer mold II, a plurality of inner mold upper core blocks, a plurality of inner mold lower core blocks, an outer mold upper pressure plate and an outer mold lower pressure plate. The end surfaces of the annular outer mold I are provided with a plurality of countersunk holes, which are connected to the end surfaces of the annular outer mold II on both sides by screws. The end surfaces of the annular outer mold II on both sides are provided with a plurality of threaded holes corresponding to the plurality of countersunk holes of the annular outer mold I; the upper and lower end surfaces of the annular outer mold II are provided with a plurality of threaded holes, which are connected to the outer mold upper pressure plate and the outer mold lower pressure plate by screws; the lower end surface of the outer mold upper pressure plate matches the upper end surfaces of the plurality of inner mold upper core blocks. The upper end surface of the outer mold lower pressure plate matches the lower end surfaces of the several inner mold lower core blocks; the inner side dimensions of the several inner mold upper core blocks are consistent with the outer dimensions of the composite material lens barrel, the outer dimensions of the several inner mold upper core blocks are consistent with the inner side dimensions of the annular outer mold I and the annular outer mold II, and the lower end surfaces of the several inner mold upper core blocks match the upper end surfaces of the several inner mold lower core blocks; the inner side dimensions of the several inner mold lower core blocks are consistent with the outer dimensions of the composite material lens barrel, and the outer dimensions of the several inner mold lower core blocks are consistent with the inner side dimensions of the annular outer mold I and the annular outer mold II.

2. A composite material lens barrel molding tool according to claim 1, characterized in that: The inner mold upper core block and the inner mold lower core block are provided with glue overflow grooves.

3. A composite material lens barrel molding tool according to claim 2, characterized in that: The annular outer mold I and the annular outer mold II are provided with positioning waist holes.

4. A composite material lens barrel molding tool according to claim 3, characterized in that: The end surfaces of both sides of the inner mold upper core block are provided with rubber grooves, and heat expansion silicone rubber is arranged in the rubber grooves.

5. The tooling for forming a composite material lens barrel according to claim 4, characterized in that: The end surfaces of both sides of the lower core block of the inner mold are provided with rubber grooves, and heat expansion silicone rubber is arranged in the rubber grooves.

6. A composite material lens barrel molding tool according to claim 5, characterized in that: An expansion gap of 0.2mm-0.5mm is left between the heat-expandable silicone rubber arranged in the rubber groove and the longitudinal ribs of the composite material lens barrel.

7. A composite material lens barrel molding tool according to claim 6, characterized in that: The outer mold upper pressing plate and the outer mold lower pressing plate are provided with penetrating rings for laying vacuum-assisted materials.

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