Clamping device for lens edging

By introducing the design of adjusting thread rod and gear transmission in the lens edge grinding clamping device, the problem of clamping instability in the prior art is solved, precise clamping and stability of lenses of different thicknesses is achieved, and the edge grinding is improved Quality and efficiency.

CN222222107UActive Publication Date: 2024-12-24ZHANGJIAGANG CITY OPTICAL INSTR
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421409439.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2024-12-24
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing optical lens edge grinding clamping devices have poor clamping effect when processing lenses of different shapes or sizes, and the locking mechanism of the telescopic mechanism is not firm enough, resulting in unstable clamping force and affecting the quality of the edge grinding.

Method used

A lens edge grinding clamping device including the first and second adjustment mechanisms is designed to achieve precise adjustment and locking of the lens grinding assembly by adjusting the threaded rod and gear transmission, ensuring the stability of the lens during the edge grinding process and Balanced clamping.

Benefits of technology

Fast and accurate clamping adjustment of lenses of different thicknesses is achieved, ensuring the stability and parallelism of the lens during the edge grinding process, improving the edge grinding quality and efficiency, and reducing the difficulty of operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222222107U_ABST
    Figure CN222222107U_ABST
Patent Text Reader

Abstract

The utility model discloses a clamping device for lens edging, which relates to the field of optical lens processing technical equipment and comprises a workbench, an edging collecting groove is arranged in the middle of the top end of the workbench, a first supporting base is arranged on one side of the top end of the workbench, and a first adjusting mechanism is arranged on one side of the top end of the first supporting base. A first lens clamping assembly matched with the first adjusting mechanism is arranged on the other side of the top end of the first supporting base, a second supporting base is arranged on the other side of the top end of the workbench, and a second adjusting mechanism is arranged on one side of the top end of the second supporting base. A second lens clamping assembly matched with the second adjusting mechanism is arranged on the other side of the top end of the second supporting base. The lens edge grinding device is scientific and novel in structure, can adapt to lenses with different thicknesses through the adjusting mechanism, achieves rapid and accurate clamping adjustment, guarantees machining precision, and is beneficial to improving the level and efficiency of the lens edge grinding process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of optical lens processing technology equipment, in particular to a clamping device for lens edge grinding. Background Art

[0002] Core extraction machine optical equipment is a kind of precision equipment specially used for processing optical lenses. It can use precision edge grinding technology to perform fine edge processing on lenses. This equipment is essential for manufacturing high-quality optical products, because the edge quality of optical lenses directly affects the optical performance and overall appearance of lenses. With the development of optical technology, the requirements for edge processing of optical lenses are getting higher and higher. In the process of optical lens edge grinding, the role of the lens edge grinding clamping device is particularly critical; the lens edge grinding clamping device is used to fix the lens, and can provide sufficient clamping force to prevent the lens from moving during the edge grinding process, while avoiding damage to the lens, so as to adapt to various edge grinding requirements and ensure the stability and accuracy of the lens during the edge grinding process.

[0003] For example, Chinese patent CN211277773U discloses an optical lens efficient edge grinding fixture, including a base, a placement slot is provided at the upper end of the base, a device cavity is provided in the left side of the placement slot, a rotation mechanism is provided in the device cavity, a device slot is provided on the right side of the placement slot, and a telescopic mechanism is provided in the device slot, which can play a good clamping role, will not damage the lens, and is convenient for loading and taking. However, the above device has the following shortcomings in the specific application process: first, the adjustment range of the rotation mechanism of the device is limited, when processing lenses of different shapes or sizes, it may not be possible to achieve an ideal clamping effect, thereby affecting the edge grinding quality; second, the telescopic mechanism of the device is relatively simple, and the locking mechanism is not strong enough. During the lens edge grinding process, the clamping force may be unstable due to vibration, causing damage to the lens, and the practicality is poor.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes a clamping device for lens edge grinding to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A lens edge grinding clamping device comprises a workbench, an edge grinding collection groove is provided in the middle of the top of the workbench, a first support base is arranged on one side of the top of the workbench, a first adjustment mechanism is arranged on one side of the top of the first support base, the first adjustment mechanism comprises a mounting shell arranged on one side of the top of the first support base, an adjustment shaft is arranged through the top of one side of the mounting shell, an adjustment sleeve is arranged through the bottom of one side of the mounting shell, a first lens clamping assembly matched with the first adjustment mechanism is arranged on the other side of the top of the first support base, a second support base is arranged on the other side of the top of the workbench, a second adjustment mechanism is arranged on one side of the top of the second support base, a second lens clamping assembly matched with the second adjustment mechanism is arranged on the other side of the top of the second support base, the first adjustment mechanism has the same structure as the second adjustment mechanism, and the first lens clamping assembly has the same structure as the second lens clamping assembly.

[0008] Furthermore, in order to achieve precise adjustment and clamping of the first lens clamping assembly, the operator is allowed to adjust the clamping force according to the specific requirements of the lens and fine-tune the position of the clamping assembly to adapt to lenses of different thicknesses, an adjusting threaded rod connected to the first lens clamping assembly is provided on the inner side of the adjusting sleeve, and a locking assembly is provided at one end of the adjusting threaded rod, a gear groove is provided through the bottom end of the mounting shell through the first supporting base, a first locking gear matching the gear groove is provided on the outer middle part of the adjusting sleeve, second adjusting gears are symmetrically provided on both sides of the first locking gear, a first adjusting gear matching the adjusting shaft is provided at the top end of the second adjusting gear, a second locking gear matching the adjusting shaft is provided at the top end of the first locking gear, and a handle is provided at one end of the adjusting shaft; the locking assembly includes a rotating sleeve mounted on one end of the adjusting threaded rod, a fixed sleeve matching the adjusting threaded rod is provided on the inner side of the rotating sleeve, a plurality of arc-shaped locking blocks arranged in a circle are provided at one end of the fixed sleeve, and a rotating block is provided at one end of the rotating sleeve.

[0009] Furthermore, in order to achieve the goal of cooperating with the second lens clamping assembly to fix and support the lens and ensure the stability and safety of the lens during the edging process, the first lens clamping assembly includes a clamping fixing seat arranged on one side of the top end of the first supporting base, a clamping shaft is penetrated at one end of the clamping fixing seat, a fixing pin is penetrated at one end of the clamping shaft, a clamping core head is sleeved on the outer side of the clamping shaft, an installation groove is provided on the inner side of the clamping core head, and an installation hole matching the fixing pin is penetrated at one end of the clamping core head.

[0010] The beneficial effects of the utility model are:

[0011] 1. The structure of the utility model is scientific and novel. Through the first adjustment mechanism and the second adjustment mechanism, it can adapt to lenses of different thicknesses, achieve fast and accurate clamping adjustment, and ensure processing accuracy; at the same time, the locking function of the first lens clamping assembly and the second lens clamping assembly ensures the stability of the lens during the edge grinding process and prevents displacement caused by vibration or external force; in addition, the transmission design of the gear cooperates with the handle to improve the convenience of operation, reduce the difficulty of operation, and help to improve the level and efficiency of the lens edge grinding process.

[0012] 2. By setting the first adjustment mechanism and the second adjustment mechanism, synchronous adjustment of both sides of the lens is achieved, the parallelism and alignment of the lens are maintained, and the edge grinding quality is improved; at the same time, through their own independent adjustment mechanisms, the two clamping components can achieve precise clamping force adjustment to ensure the stability of the lens during the edge grinding process.

[0013] 3. By setting the first lens clamping assembly and the second lens clamping assembly, balanced clamping of the lens during the edging process is ensured, the edging deviation caused by unbalanced clamping is reduced, and the edging quality and efficiency are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of a lens edge grinding clamping device according to an embodiment of the utility model;

[0016] Figure 2 It is a structural schematic diagram of a first adjustment mechanism in a lens edge grinding clamping device according to an embodiment of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a first lens clamping assembly in a lens edge grinding clamping device according to an embodiment of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of a first adjustment mechanism in a lens edge grinding clamping device according to an embodiment of the utility model;

[0019] Figure 5 It is a partial structural schematic diagram of another angle of the first adjustment mechanism in the lens edge grinding clamping device according to an embodiment of the utility model;

[0020] Figure 6 yes Figure 3A partial enlarged view of point A in the middle.

[0021] In the figure:

[0022] 1. Workbench; 2. Edge grinding collection tank; 3. First support base; 4. First adjustment mechanism; 401. Mounting shell; 402. Adjustment shaft; 403. Adjustment sleeve; 404. Adjustment threaded rod; 405. Locking assembly; 4051. Rotating sleeve; 4052. Fixed sleeve; 4053. Arc locking block; 4054. Rotating block; 406. Gear groove; 407. First locking gear; 408. Second adjustment gear; 409. First adjustment gear; 410. Second locking gear; 411. Handle; 5. First lens clamping assembly; 501. Clamping fixed seat; 502. Clamping shaft; 503. Fixed pin shaft; 504. Clamping core head; 505. Mounting groove; 506. Mounting hole; 6. Second support base; 7. Second adjustment mechanism; 8. Second lens clamping assembly. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a clamping device for lens edge grinding is provided.

[0025] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1 As shown, the lens edge grinding clamping device according to the embodiment of the utility model includes a workbench 1, an edge grinding collection groove 2 is opened in the middle of the top of the workbench 1, a first support base 3 is arranged on one side of the top of the workbench 1, a first adjustment mechanism 4 is arranged on one side of the top of the first support base 3, a first lens clamping assembly 5 matched with the first adjustment mechanism 4 is arranged on the other side of the top of the first support base 3, a second support base 6 is arranged on the other side of the top of the workbench 1, a second adjustment mechanism 7 is arranged on one side of the top of the second support base 6, a second lens clamping assembly 8 matched with the second adjustment mechanism 7 is arranged on the other side of the top of the second support base 6, and the first adjustment mechanism 4 and the second adjustment mechanism 7 have the same structure, and the first lens clamping assembly 5 and the second lens clamping assembly 8 have the same structure.

[0026] With the aid of the above-mentioned technical scheme of the utility model, the structure of the utility model is scientific and novel. Through the first adjustment mechanism 4 and the second adjustment mechanism 6, it can adapt to lenses of different thicknesses, realize fast and accurate clamping adjustment, and ensure processing accuracy; at the same time, the locking function of the first lens clamping assembly 5 and the second lens clamping assembly 8 ensures the stability of the lens during the edging process and prevents displacement caused by vibration or external force; in addition, the transmission design of the gear cooperates with the handle to improve the convenience of operation, reduce the difficulty of operation, and help to improve the level and efficiency of the lens edging process.

[0027] In one embodiment, Figure 2 and Figure 4-6As shown, for the first adjustment mechanism 4, the first adjustment mechanism 4 includes a mounting shell 401 arranged on one side of the top end of the first support base 3, the top end of one side of the mounting shell 401 is penetrated by an adjustment shaft 402, the bottom end of one side of the mounting shell 401 is penetrated by an adjustment sleeve 403 (in addition, in a specific application, the adjustment sleeve 403 is connected to one side of the mounting shell 401 through a bearing), and the inner side of the adjustment sleeve 403 is penetrated by an adjustment threaded rod 404 connected to the first lens clamping assembly 5 (in addition, in a specific application, the inner side of the adjustment sleeve 403 is provided with a threaded rod 404 connected to the adjustment threaded rod 404). 4), and a locking assembly 405 is provided at one end of the adjusting threaded rod 404, a gear groove 406 is provided at the bottom end of the mounting shell 401 penetrating the first supporting base 3, a first locking gear 407 matching with the gear groove 406 is sleeved on the outer side of the middle part of the adjusting sleeve 403, and second adjusting gears 408 are symmetrically provided on both sides of the first locking gear 407 (in addition, in specific applications, the outer diameter of the first adjusting gear 409 is larger than the outer diameter of the second adjusting gear 408), and a first adjusting gear 409 matching with the adjusting shaft 402 is provided at the top end of the second adjusting gear 408, The top of the first locking gear 407 is provided with a second locking gear 410 matched with the adjusting shaft 402 (in addition, in a specific application, the outer diameter of the first locking gear 407 is larger than the outer diameter of the second locking gear 410), and one end of the adjusting shaft 402 is provided with a handle 411; the locking assembly 405 includes a rotating sleeve 4051 sleeved on one end of the adjusting threaded rod 404 (in addition, in a specific application, one end of the rotating sleeve 4051 is set as a conical structure, the other end of the rotating sleeve 4051 is provided with a thread groove on the inner side, and the outer side of the fixed sleeve 4052 is provided with a thread groove corresponding to the thread groove. A fixing sleeve 4052 matching with the adjusting threaded rod 404 is arranged on the inner side of the rotating sleeve 4051 (in addition, in specific applications, the fixing sleeve 4052 is fixedly connected to one side of the mounting shell 401), a plurality of arc-shaped locking blocks 4053 arranged in a circle are arranged at one end of the fixing sleeve 4052, and a rotating block 4054 is arranged at one end of the rotating sleeve 4051, so as to realize precise adjustment and clamping of the first lens clamping assembly 5, allowing the operator to adjust the clamping force according to the specific requirements of the lens, and fine-tune the position of the first lens clamping assembly 5 to adapt to lenses of different thicknesses.

[0028] The working principle of the first adjusting mechanism 4 is as follows: the setting of the handle 411 makes it easy to rotate the adjusting shaft 402 during operation, and the first adjusting gear 409 and the second locking gear 410 are driven to rotate by the rotation of the adjusting shaft 402. Under the meshing action of the gears, the first adjusting gear 409 and the second locking gear 410 respectively drive the second adjusting gear 408 and the first locking gear 407 to rotate, and the second adjusting gear 408 and the first locking gear 407 drive the inner adjusting sleeve 403 to rotate. Under the cooperation of the thread groove and the threaded rod, the adjusting sleeve The rotation of the cylinder 403 drives the adjusting threaded rod 404 to move, and the adjusting threaded rod 404 drives the first lens clamping assembly 5 to move, so as to adjust the position of the first lens clamping assembly 5; when the position adjustment is completed, the rotating block 4054 in the manually rotating locking assembly 405 drives the rotating sleeve 4051 to rotate toward the side of the mounting shell 401, and under the action of the rotating sleeve 4051, the conical structure squeezes the arc-shaped locking block 4053 to clamp and fix the adjusting threaded rod 404, so as to prevent the clamped lens from accidentally moving during the subsequent edging operation.

[0029] In one embodiment, Figure 3 As shown, for the above-mentioned first lens clamping assembly 5, the first lens clamping assembly 5 includes a clamping fixing seat 501 arranged on one side of the top end of the first supporting base 3, a clamping shaft 502 is penetrated at one end of the clamping fixing seat 501, a fixing pin 503 is penetrated at one end of the clamping shaft 502, a clamping core head 504 is sleeved on the outer side of the clamping shaft 502, a mounting groove 505 is opened on the inner side of the clamping core head 504, and a mounting hole 506 matching with the fixing pin 503 is opened at one end of the clamping core head 504, thereby fixing and supporting the lens, ensuring the stability and safety of the lens during the edging process, and providing the function of convenient replacement of the clamping core head 504.

[0030] The working principle of the first lens clamping assembly 5 is as follows: the clamping fixing seat 501 is arranged on one side of the top end of the first supporting base 3, providing a stable fixing and supporting point for the lens, the clamping shaft 502 passes through one end of the clamping fixing seat 501, and provides a central axis for the entire clamping assembly, around which the lens can be clamped and positioned, the clamping core head 504 is sleeved on the outer side of the clamping shaft 502, and is the part that directly contacts and clamps the lens, the fixing pin shaft 503 passes through one end of the clamping shaft 502, and cooperates with the mounting hole 506 to ensure the fixation of the clamping core head 504 and the lens, when the clamping core head 504 is worn or needs to be adapted to different types of lenses, the clamping core head 504 can be easily replaced by removing the fixing pin shaft 503, in a working environment where the clamping core head needs to be frequently replaced, this quick replacement design can significantly improve work efficiency, and by timely replacing the worn clamping core head 504, the service life of the entire clamping assembly can be extended, which may be used to further fix the lens to prevent it from rotating or shifting during the edging process.

[0031] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0032] In actual application, first, by adjusting the first adjusting mechanism 4 (the working principle of the first adjusting mechanism 4 is as described above), the first lens clamping assembly 5 is driven to rotate (the working principle of the first lens clamping assembly 5 is as described above), and then by adjusting the second adjusting mechanism 7 (the second adjusting mechanism 7 has the same structure as the first adjusting mechanism 4 and the same working principle), the second lens clamping assembly 8 is driven to rotate toward the first lens clamping assembly 5 (the second lens clamping assembly 8 has the same structure as the first lens clamping assembly 5 and the same working principle), the lens is fixed and clamped by the first lens clamping assembly 5 and the second lens clamping assembly 8, and subsequent lens edging operations can be performed.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lens edge grinding clamping device, comprising a workbench, characterized in that: An edge grinding collection groove is provided in the middle of the top of the workbench, a first support base is provided on one side of the top of the workbench, a first adjustment mechanism is provided on one side of the top of the first support base, the first adjustment mechanism comprises a mounting shell provided on one side of the top of the first support base, an adjustment shaft is provided through the top of one side of the mounting shell, and an adjustment sleeve is provided through the bottom of one side of the mounting shell; and a first lens clamping assembly matched with the first adjustment mechanism is provided on the other side of the top of the first support base; A second supporting base is arranged on the other side of the top of the workbench, a second adjusting mechanism is arranged on one side of the top of the second supporting base, and a second lens clamping assembly matched with the second adjusting mechanism is arranged on the other side of the top of the second supporting base, the first adjusting mechanism has the same structure as the second adjusting mechanism, and the first lens clamping assembly has the same structure as the second lens clamping assembly.

2. The lens edge grinding clamping device according to claim 1, characterized in that: An adjusting threaded rod connected to the first lens clamping assembly is provided through the inner side of the adjusting sleeve, and a locking assembly is provided at one end of the adjusting threaded rod. A gear groove is provided at the bottom end of the mounting shell through the first supporting base.

3. The lens edge grinding clamping device according to claim 2, characterized in that: The outer middle part of the adjusting sleeve is sleeved with a first locking gear that matches the gear groove, and second adjusting gears are symmetrically arranged on both sides of the first locking gear. The top of the second adjusting gear is provided with a first adjusting gear that matches the adjusting shaft, and the top of the first locking gear is provided with a second locking gear that matches the adjusting shaft, and a handle is provided at one end of the adjusting shaft.

4. The lens edge grinding clamping device according to claim 3, characterized in that: The locking assembly includes a rotating sleeve sleeved on one end of the adjusting threaded rod, a fixed sleeve matching the adjusting threaded rod is arranged inside the rotating sleeve, a plurality of arc-shaped locking blocks arranged in a circle are arranged at one end of the fixed sleeve, and a rotating block is arranged at one end of the rotating sleeve.

5. The lens edge grinding clamping device according to claim 1, characterized in that: The first lens clamping assembly comprises a clamping fixing seat arranged at one side of the top end of the first supporting base, a clamping shaft is penetrated through one end of the clamping fixing seat, and a fixing pin is penetrated through one end of the clamping shaft.

6. The lens edge grinding clamping device according to claim 5, characterized in that: The outer side of the clamping shaft is sleeved with a clamping core head, the inner side of the clamping core head is provided with a mounting groove, and one end of the clamping core head is penetrated by a mounting hole matched with a fixing pin shaft.