Three-jaw jig for optical lens machining
By designing the jaws and lens disk structure of the three-jaw fixture, the problem of uneven light transmittance and transmittance during the optical lens grinding process was solved, thereby improving the grinding efficiency and imaging quality of the lenses.
Patent Information
- Application Number
- CN202423146849.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-19
AI Technical Summary
In the existing optical lens grinding process, the light transmittance and transmittance of biconcave lenses are uneven, and the grinding efficiency is low, resulting in poor image quality.
Design a three-jaw fixture for optical lens processing, including a mounting plate, jaws, and a lens plate. The jaws are arranged in an equilateral triangle and are connected to the lens plate through a connecting mechanism to achieve stable placement and assembly/disassembly of multiple lenses.
It improves the grinding stability of lenses, reduces unevenness in light transmittance and transmittance, and enhances grinding efficiency and image quality.
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Figure CN223558069U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to optical lens processing technical field, concretely relates to a three-jaw fixture for optical lens processing. BACKGROUND
[0002] Optical glass is an important basic material of optical industry, because of its excellent optical performance, is widely used in lens, telescope and other optical equipment, in order to meet the use demand, need to carry out sufficient grinding to lens, to ensure the surface finish.
[0003] The existing optical lens is generally placed on the lens carrier in the process of grinding and processing, and the grinding ball is used to grind the lens on the lens carrier, but when grinding double-concave lens, it is generally to grind single lens, which not only leads to the phenomenon that the transmittance and transmissivity of the ground lens are uneven, but also reduces the grinding efficiency of the lens and the imaging quality of the lens. UTILITARIAN CONTENT
[0004] To solve the problems in the background art, the utility model provides a three-jaw fixture for optical lens processing, which avoids the uneven transmittance and transmissivity of the lens, improves the grinding efficiency of the lens and the imaging quality of the lens.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a three-jaw fixture for optical lens processing, comprising a mounting disc, a clamping jaw and a lens disc, the mounting disc is provided with a mounting groove, the side wall of the mounting disc is fixedly connected with a plurality of clamping jaws, the other end of the clamping jaw is detachably connected with a connecting disc, the connecting disc is fixedly connected with a lens disc, the other side of the lens disc is provided with a placing groove matched with the lens.
[0006] Preferably, the clamping jaw is provided with three, and the three clamping jaws are distributed in an equilateral triangle on the side wall of the mounting disc.
[0007] Preferably, the clamping jaw and the lens disc are connected through a connecting mechanism, the connecting mechanism comprises a fixed rod, one end of the fixed rod is fixedly connected with the clamping jaw, the other end of the fixed rod is movably inserted through the hole groove arranged on the connecting disc and the lens disc, and the fixed rod is detachably connected with the lens disc.
[0008] Preferably, the lens disc is provided with a dismounting groove, and the dismounting groove is provided with a nut screwed with the fixed rod.
[0009] Preferably, the dismounting groove is movably clamped with a groove cover.
[0010] Preferably, a limiting disc is further fixedly sleeved on the fixed rod, and the limiting disc is movably inserted into the limiting groove arranged on the connecting disc.
[0011] Preferably, the outer side wall of the limiting disc is further fixedly connected with a clamping strip, and the limiting strip is movably inserted into a clamping groove arranged on the inner wall of the limiting groove.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The multiple clamping claws and the lens disc are arranged, multiple lenses can be placed individually, the stability of the lenses during polishing is improved in the process that the lenses are polished by the grinding ball, the phenomenon that the lenses after polishing have uneven light transmittance and transmittance is reduced, and the polishing efficiency of the lenses and the imaging quality of the lenses are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0015] Figure 1 It is the three-dimensional structure schematic view of the utility model;
[0016] Figure 2 It is the section structure schematic view of the utility model;
[0017] Figure 3 It is the connection mechanism explosion structure schematic view of the utility model;
[0018] Figure 4 It is the connection mechanism explosion section structure schematic view of the utility model;
[0019] In the drawing: 1, mounting disc;2, mounting groove;3, clamping claw;4, connecting disc;5, lens disc;6, placing groove;7, connecting mechanism;701, fixed rod;702, dismounting groove;703, nut;704, groove cover;705, limiting disc;706, limiting groove;707, clamping strip;708, clamping groove. DETAILED DESCRIPTION
[0020] The technical scheme 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, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT
[0021] Please refer to Figures 1-4The embodiment provides the following technical scheme: a three-jaw fixture for optical lens processing, which comprises a mounting disc 1, clamping jaws 3 and a lens disc 5, the mounting disc 1 is provided with a mounting groove 2, a plurality of clamping jaws 3 are fixedly connected to the side wall of the mounting disc 1, the other end of the clamping jaw 3 is detachably connected with a connecting disc 4, the connecting disc 4 is fixedly connected with the lens disc 5, the other side of the lens disc 5 is provided with a placing groove 6 matched with the lens, in some embodiments, three clamping jaws 3 are arranged on the side wall of the mounting disc 1 in an equilateral triangle shape.
[0022] The three clamping jaws 3 and the lens disc 5 can be used to place a plurality of lenses separately, the stability of the lenses during polishing is improved, the phenomenon that the transmittance and the transmissivity of the lenses after polishing are uneven is reduced, and the polishing efficiency of the lenses and the imaging quality of the lenses are improved.
[0023] The clamping jaw 3 and the lens disc 5 are connected through a connecting mechanism 7, the connecting mechanism 7 comprises a fixed rod 701, one end of the fixed rod 701 is fixedly connected to the clamping jaw 3, the other end of the fixed rod 701 is movably inserted through the hole groove arranged on the connecting disc 4 and the lens disc 5, and the fixed rod 701 is detachably connected with the lens disc 5, the connecting disc 4 and the lens disc 5 can be disassembled and replaced according to requirements through the fixed rod 701, so that the fixture can be adapted to the processing of lenses of various specifications.
[0024] The lens disc 5 is provided with a dismounting groove 702, the dismounting groove 702 is provided with a nut 703 threadedly connected with the fixed rod 701, the fixed rod 701 can be disassembled and mounted on the lens through the dismounting groove 702 and the nut 703.
[0025] The dismounting groove 702 movably clamps a groove cover 704, in some embodiments, the groove cover 704 is clamped and connected with the dismounting groove 702, the groove cover 704 can be directly disassembled and mounted, so that the dismounting groove 702 can be in an open state or a closed state, and the sealing property of the lens disc 5 is improved.
[0026] The fixed rod 701 is further provided with a limiting disc 705 movably inserted into a limiting groove 706 arranged on the connecting disc 4, the limiting disc 705 and the limiting groove 706 increase the contact area of the fixed rod 701 and the connecting disc 4, and further cooperate with the nut 703 to firmly lock and fix the lens disc 5 on the fixed rod 701, so that the stability of the lens on the lens disc 5 during polishing is improved.
[0027] The outer side wall of the limiting disc 705 is further fixedly connected with a clamping strip 707, the limiting strip is movably inserted into the clamping groove 708 arranged on the inner wall of the limiting groove 706, in some embodiments, a plurality of clamping strips 707 are arranged on the side wall of the limiting disc 705 in a circumferential distribution centering on the limiting disc 705, and the clamping strip 707 and the clamping groove 708 are arranged to further complete the limiting operation of the connecting disc 4 on the limiting disc 705, thereby increasing the stability of the connecting disc 4 and the lens disc 5 on the fixing rod 701.
[0028] The working principle of the utility model is: when in use, the lens to be ground is sequentially placed into the placing groove 6 on the corresponding lens disc 5, so that the grinding ball simultaneously grinds the lens on the lens disc 5.
[0029] When the lens disc 5 needs to be replaced, the groove cover 704 on the dismounting groove 702 can be removed, the nut 703 is rotated, the nut 703 is taken off from the fixing rod 701, so that the lens disc 5 and the connecting disc 4 are taken off from the fixing rod 701, a new specification of lens disc 5 is installed, the hole groove on the lens disc 5 and the connecting disc 4 is corresponded to the fixing rod 701, the connecting disc 4 and the lens disc 5 are installed on the fixing rod 701, the clamping strip 707 on the limiting disc 705 is corresponded to the clamping groove 708 on the limiting groove 706, then the nut 703 is installed on the fixing rod 701, and the nut 703 is rotated to fix the fixing rod 701, until the limiting disc 705 is completely inserted into the limiting groove 706, the clamping strip 707 is completely inserted into the clamping groove 708, until the fixing rod 701 is completely fixed, and then the groove cover 704 is buckled on the dismounting groove 702.
[0030] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A three-jaw fixture for processing optical lenses, characterized in that: Including installation disc (1), dog (3) and lens disc (5), be provided with installation groove (2) on the installation disc (1), a plurality of dog (3) are fixedly connected on the side wall of installation disc (1), the other end of dog (3) is detachably connected with connecting disc (4), connecting disc (4) is fixedly connected with lens disc (5), the other side of lens disc (5) is provided with the placement groove (6) compatible with lens.
2. The three jaw gripper for optical lens processing according to claim 1, wherein: The dog (3) is provided with three, three dog (3) are distributed in the side wall of installation disc (1) in equilateral triangle.
3. The three jaw gripper for optical lens processing according to claim 1, wherein: The dog (3) and lens disc (5) are connected through connecting mechanism (7), the connecting mechanism (7) includes fixed rod (701), one end of fixed rod (701) is fixedly connected on dog (3), the other end of fixed rod (701) is movably passed through the hole slot of connecting disc (4) and lens disc (5) and is detachably connected with lens disc (5).
4. The three jaw gripper for optical lens processing according to claim 3, wherein: The lens disc (5) is provided with a dismounting groove (702), and the dismounting groove (702) is provided with a nut (703) threadedly connected with the fixed rod (701).
5. The three jaw gripper for optical lens processing according to claim 4, wherein: The dismounting groove (702) movably clamps a groove cover (704).
6. The three jaw gripper for optical lens processing according to claim 1, wherein: The fixed rod (701) is further provided with a limiting disc (705) fixedly sleeved, and the limiting disc (705) is movably inserted into a limiting groove (706) arranged on the connecting disc (4).
7. The three jaw gripper for optical lens processing according to claim 6, wherein: The outer side wall of the limiting disc (705) is further fixedly connected with a clamping strip (707), and the limiting strip is movably inserted into a clamping groove (708) arranged on the inner wall of the limiting groove (706).