CN212658850U - Can splice formula high accuracy aspheric surface HUD class aluminium optical element - Google Patents
Can splice formula high accuracy aspheric surface HUD class aluminium optical element Download PDFInfo
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- CN212658850U CN212658850U CN202021734796.0U CN202021734796U CN212658850U CN 212658850 U CN212658850 U CN 212658850U CN 202021734796 U CN202021734796 U CN 202021734796U CN 212658850 U CN212658850 U CN 212658850U
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Abstract
The utility model relates to a formula high accuracy aspheric surface HUD class aluminium optical element can splice, including left high accuracy aspheric surface aluminium optical element and right high accuracy aspheric surface aluminium optical element, the right-hand member of left side high accuracy aspheric surface aluminium optical element with the left end butt joint of right side high accuracy aspheric surface aluminium optical element, left side high accuracy aspheric surface aluminium optical element with the back of right side high accuracy aspheric surface aluminium optical element is connected fixedly through connecting the backplate. The integral aspheric aluminum optical element is divided into a left aspheric aluminum optical element and a right aspheric aluminum optical element which are 2 independent aspheric aluminum optical elements, and then the aspheric aluminum optical elements are positioned through a middle positioning pin hole and locked through a connecting back plate on the back surface to verify the optical performance. The reliable reference basis is provided for splitting a larger injection molding part into 2 single parts for injection molding. The size range of the HUD optical product is enriched. After the hand plate is manufactured firstly and the performance test is carried out, the use requirement can be met, and then the die is opened to manufacture a finished product, so that the research and development investment in the design stage can be saved.
Description
Technical Field
The utility model relates to an optical equipment makes technical field, especially a formula high accuracy aspheric surface HUD class aluminium optical element can splice.
Background
General HUD high accuracy aspheric surface speculum size (≦ 350 mm) is less, when verifying the speculum performance earlier, makes high accuracy aspheric surface aluminium optical element earlier usually, and after the performance verification of hand plate spare satisfied the requirement, the product with the specification can be turned into the working of plastics and then carries out injection moulding, reaches batch production's purpose. However, if the HUD high-precision aspheric mirror to be injection-molded has a large size, the injection-molding machine in the industry cannot injection-mold a large-size reflector because the optical index of the HUD high-precision aspheric mirror is high. It is considered that the large-sized high-precision aspherical mirror is divided into 2 units to be injection-molded and then spliced. Whether the spliced optical performance can meet the use requirement of the integral reflector or not needs to be verified by firstly manufacturing a spliced aluminum optical piece.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a formula high accuracy aspheric surface HUD class aluminium optical element can splice, the aluminium optical element that provides the concatenation carries out optical property and verifies.
The embodiment of the utility model provides an in adopt following scheme to realize: the utility model provides a but concatenation formula high accuracy aspheric surface HUD class aluminium optical element, including left high accuracy aspheric surface aluminium optical element and right high accuracy aspheric surface aluminium optical element, the right-hand member of left side high accuracy aspheric surface aluminium optical element with the left end butt joint of right side high accuracy aspheric surface aluminium optical element, left side high accuracy aspheric surface aluminium optical element with the back of right side high accuracy aspheric surface aluminium optical element is connected fixedly through connecting the backplate.
The utility model relates to an embodiment, the right part of left side high accuracy aspheric surface aluminium optical element lower surface with the left part of right side high accuracy aspheric surface aluminium optical element all sets up threaded hole, wear to be equipped with the bolt on connecting the corresponding position of backplate, bolt screw in threaded hole.
In an embodiment of the present invention, a first connecting portion protruding leftward is disposed on a lower portion of a left end surface of the right high-precision aspheric aluminum optical element, and a positioning protrusion is disposed on an upper surface of the first connecting portion; the upper part of the right end face of the left high-precision aspheric aluminum optical element is provided with a second connecting part protruding rightwards, and the lower surface of the second connecting part is provided with a positioning groove; the second connecting part is lapped on the first connecting part, and the positioning convex part penetrates into the positioning groove.
The utility model relates to an embodiment, the locating pin hole has all been seted up to the right-hand member face of left high accuracy aspheric surface aluminium optical element and the left end face of left high accuracy aspheric surface aluminium optical element, wears to be equipped with the locating pin between the locating pin hole.
The utility model has the advantages that: the utility model provides a formula high accuracy aspheric surface HUD class aluminium optical element can splice, with whole aspheric surface aluminium optical element divide into two about 2 individual aspheric surface aluminium optical elements alone, then fix a position through middle locating pin hole, form through the connection backplate locking at the back and verify optical property. The reliable reference basis is provided for splitting a larger injection molding piece (HUD high-precision aspheric surface reflector) into 2 single pieces for injection molding. The size range of the HUD optical product is enriched. After the hand plate is manufactured firstly and the performance test is carried out, the use requirement can be met, and then the die is opened to manufacture a finished product, so that the research and development investment in the design stage can be saved.
Drawings
Fig. 1 is a schematic structural diagram of a splittable high-precision aspheric HUD aluminum optical element.
Fig. 2 is a schematic diagram showing the components of a splittable high-precision aspheric HUD-type aluminum optic.
FIG. 3 is a schematic diagram of a spliced high-precision aspheric HUD aluminum optical element after splicing.
Fig. 4 is a partially enlarged schematic view of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 4, the utility model provides a splicing type high-precision aspheric HUD aluminum optical element, which comprises a left high-precision aspheric aluminum optical element 1 and a right high-precision aspheric aluminum optical element 2, wherein the right end of the left high-precision aspheric aluminum optical element 1 is connected with the left end of the right high-precision aspheric aluminum optical element 2, and the back surfaces of the left high-precision aspheric aluminum optical element 1 and the right high-precision aspheric aluminum optical element 2 are fixedly connected through a connecting back plate 3; spliced into a complete hand plate for simulating the HUD to carry out the optical performance test.
Referring to fig. 1 to 2, in an embodiment of the present invention, threaded holes are formed in the right portion of the lower surface of the left high-precision aspheric aluminum optical element 1 and the left portion of the right high-precision aspheric aluminum optical element 2, a bolt 4 is inserted into a corresponding position of the connecting back plate 3, and the bolt 4 is screwed into the threaded hole; the aluminum optical piece splicing and fixing device is used for splicing and fixing two aluminum optical pieces.
Referring to fig. 1 to 2 and 4, in an embodiment of the present invention, a first connecting portion protruding leftward is disposed at a lower portion of a left end surface of the right high-precision aspheric aluminum optical element 2, and a positioning protrusion is disposed on an upper surface of the first connecting portion; the upper part of the right end face of the left high-precision aspheric aluminum optical element 1 is provided with a second connecting part protruding rightwards, and the lower surface of the second connecting part is provided with a positioning groove; the second connecting part is lapped on the first connecting part, and the positioning convex part penetrates into the positioning groove; the positioning accuracy of the two aluminum optical pieces during splicing is ensured.
Referring to fig. 2, in an embodiment of the present invention, the right end surface of the left high-precision aspheric aluminum optical element 1 and the left end surface of the left high-precision aspheric aluminum optical element 1 are both provided with positioning pin holes, and positioning pins are inserted between the positioning pin holes; the positioning device is used for positioning and ensures the installation accuracy of the two aluminum optical pieces.
The utility model discloses the theory of operation below has:
because the optical index of the HUD high-precision aspheric mirror is high, the large-size aspheric mirror cannot be formed by injection molding by an injection molding machine in the prior art, the large-size high-precision aspheric mirror is divided into 2 single units to be subjected to injection molding and then spliced; however, the mold opening injection is directly carried out according to the idea, and if the using requirement cannot be met, the mold is discarded, the mold opening cost of the mold is high, and the economic loss is large; in order to avoid the situation, the hand plate is firstly manufactured to meet the use requirement through performance test, and then the die is opened to manufacture the finished product, so that the research and development investment in the design stage can be saved. Dividing the integral optical element into two left and right 2 independent optical elements, performing precise optical processing on a left aspheric aluminum optical element, performing precise optical processing on a right aspheric aluminum optical element, processing a connecting back plate 3, verifying the optical performance of the left aspheric aluminum optical element, and ensuring that the performance is qualified; verifying the optical performance of the right aspheric aluminum optical element; after the performance is qualified, the left aspheric surface aluminum optical element and the right aspheric surface aluminum optical element are spliced together, the optical performance of the whole aluminum optical element formed by splicing the left aspheric surface aluminum optical element and the right aspheric surface aluminum optical element is verified, the optical performance is reliable by checking, and a reliable reference basis is provided for splitting a larger injection molding element (HUD high-precision aspheric surface reflector) into 2 single pieces for injection molding.
The above description is only for the preferred embodiment of the present invention, and should not be interpreted as limiting the scope of the present invention, which is intended to cover all the equivalent changes and modifications made in accordance with the claims of the present invention.
Claims (4)
1. The utility model provides a formula high accuracy aspheric surface HUD class aluminium optical element can splice, its characterized in that: the high-precision aspheric aluminum optical element comprises a left high-precision aspheric aluminum optical element and a right high-precision aspheric aluminum optical element, wherein the right end of the left high-precision aspheric aluminum optical element is in butt joint with the left end of the right high-precision aspheric aluminum optical element, and the back surfaces of the left high-precision aspheric aluminum optical element and the right high-precision aspheric aluminum optical element are fixedly connected through a connecting back plate.
2. The splittable high-precision aspheric HUD-type aluminum optical element according to claim 1, wherein: the right part of left side high accuracy aspheric surface aluminium optical element lower surface and the left part of right side high accuracy aspheric surface aluminium optical element all sets up threaded hole, wear to be equipped with the bolt on connecting the corresponding position of backplate, the bolt screw in threaded hole.
3. The splittable high-precision aspheric HUD-type aluminum optical element according to claim 1, wherein: the lower part of the left end face of the right high-precision aspheric aluminum optical element is provided with a first connecting part protruding leftwards, and the upper surface of the connecting part is provided with a positioning convex part; the upper part of the right end face of the left high-precision aspheric aluminum optical element is provided with a second connecting part protruding rightwards, and the lower surface of the second connecting part is provided with a positioning groove; the second connecting part is lapped on the first connecting part, and the positioning convex part penetrates into the positioning groove.
4. The splittable high-precision aspheric HUD-type aluminum optical element according to claim 1, wherein: and positioning pin holes are formed in the right end surface of the left high-precision aspheric aluminum optical element and the left end surface of the left high-precision aspheric aluminum optical element, and positioning pins are arranged between the positioning pin holes in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734796.0U CN212658850U (en) | 2020-08-19 | 2020-08-19 | Can splice formula high accuracy aspheric surface HUD class aluminium optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734796.0U CN212658850U (en) | 2020-08-19 | 2020-08-19 | Can splice formula high accuracy aspheric surface HUD class aluminium optical element |
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| Publication Number | Publication Date |
|---|---|
| CN212658850U true CN212658850U (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021734796.0U Active CN212658850U (en) | 2020-08-19 | 2020-08-19 | Can splice formula high accuracy aspheric surface HUD class aluminium optical element |
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| Country | Link |
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| CN (1) | CN212658850U (en) |
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- 2020-08-19 CN CN202021734796.0U patent/CN212658850U/en active Active
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