Forming mold and forming method of solar curved surface concentrator
A molding die and molding method technology, applied in the field of solar concentrating, can solve the problems of material rebound deviation or dislocation, and achieve the effect of preventing re-deformation, avoiding re-deformation, and reducing the number of mold trials.
Inactive Publication Date: 2016-12-21
桑普能源科技有限公司
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to solve the problem of deviation or dislocation caused by material springback after the curved surface concentrating plate is formed
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[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0027] Such as figure 1 , such as 2 and image 3 As shown, the molding die of a solar curved surface concentrating panel of the present invention includes an upper mold 1 and a lower mold 2 that match the shape of the curved surface concentrating panel 31, and elastic protrusions 11 are respectively arranged on the two side walls of the upper mold 1 , The lower mold 2 is provided with a rigid groove 21 at a position opposite to the elastic protrusion 11 . figure 2 The contour inside is the shape when the upper mold 1 is matched with the curved light-concentrating plate 31 without elastic protrusions 11, figure 2 The middle shaded part is an arc-shaped elastic protrusi...
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Abstract
The invention relates to the field of solar light condensing technologies and discloses a forming die and method for a solar curved surface light condensing plate. The forming die comprises an upper die and a lower die, wherein the upper die and the lower die are matched with the curved surface light condensing plate in shape. Elastic protrusions are arranged on the two side walls of the upper die respectively. Rigid grooves are formed in the positions, opposite to the elastic protrusions, of the lower die. After blanking, sheet metal is placed in the forming die for cold stamping forming, then resilience compensation and pre-expansion force in shape are achieved, and the formed plate is tucked and placed into an outer cover glass pipe of a solar heat pipe vacuum pipe, so that the formed plate releases part of pre-expansion force to naturally form the curved surface light condensing plate meeting the design requirement. On the basis of an original curved surface curve, the elastic protrusions are arranged on the upper die, the rigid grooves are formed in the lower die, so that the formed shape is larger than that of the light condensing plate in the final state, deviation or dislocation caused by material resilience of the formed curved surface light condensing plate can be compensated, and the curved surface light condensing plate stays the same as an original design curvilinear figure.
Description
technical field [0001] The invention relates to the technical field of solar energy concentrating, in particular to a forming mold and a forming method of a solar curved surface concentrating panel. Background technique [0002] As we all know, CPC is the abbreviation of composite parabolic condenser in English, translated into Chinese as composite parabolic concentrator, which is a non-imaging concentrator designed according to the principle of edge optics. The incident sunlight reaches the receiver through one or more reflections in the CPC. Surface, with less loss, can also effectively collect obliquely incident sunlight to achieve the maximum theoretical concentration ratio, and its performance is very close to that of an ideal concentrator. The operation of the CPC does not need to track the position of the sun at any time, but only needs to adjust the orientation according to the season, with simple structure and convenient operation and control. The non-imaging CPC c...
Claims
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IPC IPC(8): B21D37/10B21D22/02
Inventor 李金标雷柏松
Owner 桑普能源科技有限公司