Machining die for aspheric lens element

Abstract

The utility model provides a processing die for an aspheric lens element, which comprises an outer sleeve, a lower die is placed on the inner side of the outer sleeve, an inner sleeve is sleeved on the lower die, and an exhaust space is formed between the inner sleeve and the outer sleeve; a plurality of exhaust holes are formed in the inner sleeve; an upper mold is arranged on the inner side of the inner sleeve in a sliding mode and located on the upper side of the lower mold, a limiting plate is fixedly connected to the upper portion of the upper mold, and the lens thickness control assembly is fixedly connected to the left side of the upper portion of the outer sleeve, and the upper side of the lens thickness control assembly abuts against the left side of the lower portion of the limiting plate. Through the arrangement of the fixing sleeve, the limiting rod, the hand screwing bolt, the operation plate and the scale marks, the effect of conveniently controlling the distance between the upper die and the lower die is achieved, and therefore an operator can conveniently control the thickness of a lens.

Description

Technical Field

[0001] The utility model belongs to the technical field of aspheric lens element processing, in particular to a processing mold for an aspheric lens element. Background Art

[0002] A processing mold for an aspheric lens element is a mold that can process aspheric lens elements, such as a processing mold for an aspheric lens element with publication number CN220052513U, which includes an upper mold, a lower mold, an inner sleeve and an adjusting piece. The upper mold is provided with a through mounting hole, and the mounting hole extends along the axial direction of the upper mold; the upper mold is provided with a first molding portion, and the adjusting piece is provided with a second molding portion. There are still some problems with the processing mold during actual use, such as: the distance between the upper mold and the lower mold cannot be accurately controlled, which may lead to the problem that the thickness of the lens cannot be controlled, and it is inconvenient to use. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides a processing mold for an aspheric lens element, which can achieve the effect of facilitating the control of the distance between the upper mold and the lower mold, thereby facilitating the operator to control the thickness of the lens.

[0004] The technical solution is as follows: a processing mold for an aspheric lens element, comprising an outer sleeve, a lower mold placed on the inner side of the outer sleeve, and an inner sleeve sleeved on the lower mold, wherein an exhaust space is formed between the inner sleeve and the outer sleeve; a plurality of exhaust holes are provided on the inner sleeve; an upper mold is slidably arranged on the inner side of the inner sleeve, and the upper mold is located on the upper side of the lower mold, wherein the upper part of the upper mold is fixedly connected to a limiting plate, and is characterized in that a lens thickness control assembly is fixedly connected to the upper left side of the outer sleeve, and the upper side of the lens thickness control assembly abuts against the lower left side of the limiting plate.

[0005] Preferably, the lens thickness control assembly includes a fixed sleeve, and a limit rod is slidably arranged inside the fixed sleeve; a hand-tightening bolt is threadedly connected to the opening in the middle and upper part of the front side of the fixed sleeve, and the fixed sleeve is fastened and connected to the limit rod through the hand-tightening bolt; a sliding groove is opened on the lower left side of the interior of the fixed sleeve, and an operating panel is slidably arranged on the inner side of the sliding groove, wherein the right side of the operating panel is integrally connected to the lower left side of the limit rod; the lower surface of the limit rod is flush with the lower surface of the operating panel; and scale lines are engraved on the left front side of the fixed sleeve from bottom to top.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the arrangement of the fixed sleeve, the limit rod, the hand-tightened bolt, the operating plate and the scale lines is conducive to achieving the effect of facilitating the control of the distance between the upper mold and the lower mold, thereby facilitating the operator to control the thickness of the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model.

[0009] Figure 2 It is a partial cross-sectional schematic diagram of the utility model.

[0010] Figure 3 It is a structural schematic diagram of a lens thickness control component of the utility model.

[0011] In the figure:

[0012] 1. Outer sleeve; 2. Lower mold; 3. Inner sleeve; 4. Upper mold; 5. Lens thickness control assembly; 51. Fixed sleeve; 52. Limit rod; 53. Thumb screw; 54. Operation panel; 55. Scale line. DETAILED DESCRIPTION

[0013] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2 As shown, a processing mold for an aspheric lens element includes an outer sleeve 1, a lower mold 2 is placed on the inner side of the outer sleeve 1, and an inner sleeve 3 is sleeved on the lower mold 2, wherein an exhaust space is formed between the inner sleeve 3 and the outer sleeve 1; a plurality of exhaust holes are opened on the inner sleeve 3; an upper mold 4 is slidably arranged on the inner side of the inner sleeve 3, and the upper mold 4 is located on the upper side of the lower mold 2, wherein the upper part of the upper mold 4 is fixedly connected to a limiting plate.

[0014] One of the processing molds for aspheric lens elements also includes a lens thickness control component 5, and the lens thickness control component 5 is fixedly connected to the upper left side of the outer sleeve 1; the upper side of the lens thickness control component 5 is against the lower left side of the limit plate, which is conducive to achieving the effect of facilitating the control of the distance between the upper mold 4 and the lower mold 2, thereby facilitating the operator to control the thickness of the lens.

[0015] In this embodiment, combined with the Figure 3As shown, the lens thickness control component 5 includes a fixed sleeve 51, and a limit rod 52 is slidably arranged inside the fixed sleeve 51; a hand-tightening bolt 53 is threadedly connected to the opening in the middle and upper part of the front side of the fixed sleeve 51, and the fixed sleeve 51 is fastened and connected to the limit rod 52 through the hand-tightening bolt 53; a sliding groove is opened on the lower left side of the interior of the fixed sleeve 51, and an operating plate 54 is slidably arranged on the inner side of the sliding groove, wherein the right side of the operating plate 54 is integrally connected to the lower left side of the limit rod 52; the lower surface of the limit rod 52 is flush with the lower surface of the operating plate 54; and scale lines 55 are engraved on the left front side of the fixed sleeve 51 from bottom to top.

[0016] In this embodiment, specifically, the lower portion of the fixed sleeve 51 is fixedly connected to the left side of the upper portion of the outer sleeve 1 .

[0017] In this embodiment, specifically, the upper end of the limiting rod 52 abuts against the lower left side of the limiting plate.

[0018] In this embodiment, specifically, when the lower surface of the limiting rod 52 abuts against the upper surface of the outer sleeve 1 , the upper surface of the limiting rod 52 is flush with the upper surface of the fixed sleeve 51 .

[0019] In this embodiment, specifically, after the lower mold 2 and the upper mold 4 are closed, the lower left side of the limiting plate will abut against the upper end of the fixed sleeve 51 .

[0020] In this embodiment, specifically, the measurement unit of the scale line 55 is set to mm.

[0021] In this embodiment, specifically, the fixed sleeve 51 is a stainless steel tube with a circular cross section.

[0022] In this embodiment, specifically, the limiting rod 52 is a stainless steel rod adapted to the interior of the fixed sleeve 51 .

[0023] In this embodiment, when the lower surface of the limiting rod 52 abuts against the upper surface of the outer sleeve 1, the upper surface of the limiting rod 52 is flush with the upper surface of the fixed sleeve 51, and after the lower mold 2 and the upper mold 4 are closed, the lower left side of the limiting plate abuts against the upper end of the fixed sleeve 51, so that the length of the limiting rod 52 extending out of the fixed sleeve 51 is the distance between the lower mold 2 and the upper mold 4, that is, the thickness of the processed lens; when adjusting the processing thickness of the lens, the operator can first loosen the hand-tightening bolt 53 to allow the limiting rod 52 to slide inside the fixed sleeve 51, and then the operator can push the limiting rod 52 upward through the operating plate 54 to allow the limiting rod 52 to slide inside the fixed sleeve 51. The upper end of the limit rod 52 extends from the inside of the fixed sleeve 51, and the extended length of the limit rod 52 can be determined by the scale line 55 coincident with the lower surface of the operating plate 54. When the limit rod 52 is adjusted, the operator can tighten the hand bolt 53 to fix the limit rod 52 in the fixed sleeve 51. At this time, when the upper mold 4 is inserted into the inner sleeve 3, the lower part of the limit plate will abut against the upper end of the limit rod 52, and a certain distance will be maintained between the upper mold 4 and the lower mold 2. The distance is the same as the length of the limit rod 52 extending from the fixed sleeve 51, so as to facilitate the control of the distance between the upper mold 4 and the lower mold 2, thereby facilitating the operator to control the thickness of the lens.

[0024] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A processing mold for an aspheric lens element, comprising an outer sleeve (1), a lower mold (2) is placed on the inner side of the outer sleeve (1), and an inner sleeve (3) is sleeved on the lower mold (2), wherein an exhaust space is formed between the inner sleeve (3) and the outer sleeve (1); a plurality of exhaust holes are provided on the inner sleeve (3); an upper mold (4) is slidably arranged on the inner side of the inner sleeve (3), and the upper mold (4) is located on the upper side of the lower mold (2), wherein the upper part of the upper mold (4) is fixedly connected to a limit plate, characterized in that: A lens thickness control assembly (5) is fixedly connected to the upper left side of the outer sleeve (1), and the upper side of the lens thickness control assembly (5) abuts against the lower left side of the limit plate.

2. The processing mold for an aspheric lens element according to claim 1, characterized in that: The lens thickness control component (5) comprises a fixed sleeve (51), wherein a limit rod (52) is slidably arranged inside the fixed sleeve (51); a hand screw bolt (53) is threadedly connected to the opening of the upper middle part of the front side of the fixed sleeve (51), and the fixed sleeve (51) is fastened and connected to the limit rod (52) through the hand screw bolt (53); a slide groove is provided on the lower left side of the interior of the fixed sleeve (51), and an operating plate (54) is slidably arranged inside the slide groove, wherein the right side of the operating plate (54) is integrally connected to the lower left side of the limit rod (52); the lower surface of the limit rod (52) is flush with the lower surface of the operating plate (54); and scale lines (55) are engraved in sequence from bottom to top on the left front side of the fixed sleeve (51).

3. The processing mold for the aspheric lens element according to claim 2, characterized in that: The lower part of the fixed sleeve (51) is fixedly connected to the left side of the upper part of the outer sleeve (1).

4. The processing mold for an aspheric lens element according to claim 3, characterized in that: The upper end of the limiting rod (52) abuts against the lower left side of the limiting plate.

5. The processing mold for an aspheric lens element according to claim 4, characterized in that: When the lower surface of the limiting rod (52) abuts against the upper surface of the outer sleeve (1), the upper surface of the limiting rod (52) is flush with the upper surface of the fixed sleeve (51).

6. The processing mold for an aspheric lens element according to claim 1, characterized in that: After the lower mold (2) and the upper mold (4) are closed, the lower left side of the limiting plate will abut against the upper end of the fixed sleeve (51).

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