Lens marking tool
By setting the chuck in the lens marking tool to contact the lens side wall surface and the uniform arrangement of multiple clamping components, the problem of fragility of the lens in the prior art is solved, and the yield rate and marking quality of the lens are improved.
Patent Information
- Application Number
- CN202323603726.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
In the existing lens marking tooling, the contact area between the clamping groove and the lens is small, which makes the lenses fragile during the marking process and the yield is low.
Design a lens marking tool, by setting a chuck to make surface contact with the side wall surface of the lens, and evenly spaced a plurality of clamping components around the base body, including a chuck and a driving member, the chuck comes into contact with the side wall surface of the lens to fix the lens , reduce stress concentration, improve the neutrality and yield of the lens.
By increasing the contact area between the chuck and the lens, dispersing stress, avoiding the lens damage and deformation, the yield of the lens is improved, and the stability and quality of the marking process are ensured.
Smart Images
Figure CN222360770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens processing, in particular to a lens marking tool. Background Art
[0002] During the marking process of the lens, if problems such as excessive marking depth or marking offset occur, the processing quality of the lens will be significantly affected. The prior art provides a marking positioning tool, which includes a base and a plurality of clamping arms arranged on the base, and a clamping head with a clamping groove at the front end of the clamping wall. In this scheme, the lens is clamped by the plurality of clamping grooves to achieve the fixation of the lens. However, the contact area between the clamping groove and the lens is small, resulting in excessive stress at the contact position between the lens and the clamping head, so that the probability of the lens being broken is high, resulting in a reduced yield rate of the lens during the marking process. Utility Model Content
[0003] The utility model provides a lens marking tooling to solve the defect of small contact area between the clamping groove and the lens in the prior art. By arranging the clamping head to make surface contact with the side wall surface of the lens, the stress concentration between the clamping head and the lens can be reduced, and the damage of the lens due to uneven force can be avoided.
[0004] The lens marking tool provided by the utility model comprises:
[0005] A base body, provided with a mounting portion for fixing the lens;
[0006] At least two clamping assemblies are evenly spaced around the mounting portion and arranged on the base, the clamping assemblies include a clamp and a driving component, the clamp is connected to the driving component, the driving component is used to drive the clamp to approach or away from the mounting portion, the clamp is suitable for making surface contact with the side wall surface of the lens so as to fix the lens to the mounting portion.
[0007] According to the lens marking tool provided by the utility model, the chuck includes an abutment member, which is arranged at one end of the chuck facing the lens, and the abutment member is suitable for surface contact with the side wall surface of the lens to fix the lens to the mounting portion.
[0008] According to the lens marking tool provided by the utility model, the abutment member is provided with a hemispherical surface, and the diameter of the hemispherical surface is not less than 12 mm.
[0009] According to the lens marking tool provided by the utility model, the abutment member includes a first abutment wall and a second abutment wall, the first abutment wall and the second abutment wall are arranged at a preset angle, and the plane where the starting edge and the ending edge of the preset angle are located is parallel to the plane where the lens is located.
[0010] According to the lens marking tool provided by the utility model, the preset angle is a, wherein the value range of a is 20°≤a≤40°.
[0011] According to the lens marking tool provided by the utility model, the abutment member includes a buffer portion, the buffer portion is arranged at one end of the abutment member facing the lens, and the buffer portion is used to protect the side wall of the lens.
[0012] According to the lens marking tool provided by the utility model, the buffer portion includes at least one of a soft silicone surface, a sponge surface or a rubber surface.
[0013] According to the lens marking tool provided by the utility model, the driving component includes a driving cylinder, the driving cylinder is arranged on the base around the mounting portion, and one end of the driving cylinder is connected to the chuck.
[0014] According to the lens marking tool provided by the utility model, the mounting portion includes a first groove, the driving component is penetrated through the side wall of the first groove, the chuck is suitable for moving in the first groove, and when the driving component is retracted, a side of the chuck close to the inner wall of the first groove is suitable for abutting against the inner wall of the first groove.
[0015] According to the lens marking tool provided by the utility model, the base includes a second groove, the mounting portion is arranged in the second groove, and the driving component is penetrated through the side wall of the second groove.
[0016] The lens marking tool provided by the utility model is provided with a plurality of clamping components, and arranged evenly at intervals around the mounting portion on the substrate. In this way, when the lens is fixed, the lens can be firmly fixed based on the cooperation between the plurality of clamping components, and the lens can be restricted to the center of the substrate, thereby improving the centering of the lens, avoiding the influence of the lens offset on the lens marking quality, and improving the lens marking yield rate. In addition, the chuck is provided to be in surface contact with the side wall surface of the lens, which can reduce the stress concentration between the chuck and the lens, and avoid the damage of the lens due to uneven force.
[0017] Compared with the prior art, the surface contact between the chuck and the side wall of the lens increases the contact area between the chuck and the lens, disperses the stress, relieves the stress concentration at the contact position between the lens and the chuck, and transforms the high pair between the lens and the chuck into a low pair, avoiding the breakage of the lens due to stress, and at the same time reduces the possibility of deformation or displacement of the lens, thereby improving the yield rate of the lens during the marking process. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 It is a schematic diagram of the overall structure of the lens marking tooling provided by the utility model;
[0020] Figure 2 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model;
[0021] Figure 3 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model;
[0022] Figure 4 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model;
[0023] Figure 5 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model.
[0024] Reference numerals:
[0025] 100: lens; 200: base; 210: mounting portion; 211: first groove; 220: second groove;
[0026] 300: clamping assembly; 310: chuck; 311: abutment member; 3111: hemispherical surface; 3112: first abutment wall; 3113: second abutment wall; 3114: buffer portion; 320: driving member; 321: driving cylinder. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0029] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0030] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0031] Figure 1 It is a schematic diagram of the overall structure of the lens marking tooling provided by the utility model; Figure 2 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model.
[0032] See also Figure 1 and Figure 2 The embodiment of the utility model provides a lens marking tool, which includes a base 200 and at least two clamping assemblies 300. The base 200 includes a second groove 220 and a mounting portion 210 for fixing the lens 100. The mounting portion 210 is arranged inside the second groove 220. The mounting portion 210 includes a first groove 211. When the lens 100 is fixed, the lens 100 is arranged in the first groove 211.
[0033] Continue reading Figure 1 and Figure 2 At least two clamping assemblies 300 are evenly spaced around the mounting portion 210 on the base 200, and the clamping assemblies 300 include a clamp 310 and a driving component 320. The clamp 310 is arranged at one end of the driving component 320 close to the mounting portion 210, and the clamp 310 is fixedly connected to the driving component 320. The driving component 320 is used to drive the clamp 310 to approach or away from the mounting portion 210. The clamp 310 is suitable for making surface contact with the side wall surface of the lens 100 so that the lens 100 is fixed to the mounting portion 210.
[0034] It should be noted here that the chuck 310 assembly can be provided with two, three, four or six, etc., and the embodiment of the utility model does not specifically limit the number of chucks 310, and can be adaptively arranged according to actual needs.
[0035] It should also be noted here that the driving component 320 is penetrated through the side wall of the first groove 211 and the side wall of the second groove 220. Under the drive of the driving component 320, the chuck 310 is suitable for moving in the first groove 211; when the driving component 320 is retracted, the side of the chuck 310 close to the inner wall of the first groove 211 is suitable for abutting against the inner wall of the first groove 211. In this way, during each retraction process of the driving component 320, a position calibration can be performed on multiple chucks 310, which can ensure that the starting positions of multiple chucks 310 are located at the inner wall of the first groove 211 each time. When the chuck 310 abuts against the side wall of the lens 100, it can ensure that the length of each clamping assembly 300 extending from the inner wall of the first groove 211 is equal, ensuring that the lens 100 can be fixed at the center of the first groove 211, that is, the center of the substrate 200, which can improve the centering of the lens 100 after fixation and improve the yield rate of marking the lens 100.
[0036] The driving component 320 includes a driving cylinder 321, which can be a pneumatic cylinder, an electric cylinder or a hydraulic cylinder. The driving cylinder 321 is arranged on the base 200 around the mounting portion 210. The piston rod of the driving cylinder 321 is fixedly connected to the chuck 310, and the cylinder body of the driving cylinder 321 is fixedly connected to the base 200. At the same time, it is arranged on the side of the side wall of the second groove 220 away from the mounting portion 210. In some cases, the cylinder body of the driving cylinder 321 can also be fixedly connected to the chuck 310, and the piston rod of the driving cylinder 321 can be fixedly connected to the base 200. Specifically, it can be adjusted according to actual needs. Adaptive selection is performed; in the embodiment of the utility model, the output pressure of the driving cylinder 321 is between 0.001MPA and 0.002MPA, so that the pressure provided by the driving cylinder 321 can be ensured to be within an appropriate range, avoiding the problem of the lens 100 being unsecured or loose due to too little pressure, and avoiding the problem of the lens 100 being deformed or broken due to being squeezed due to excessive pressure. Limiting the output pressure of the driving cylinder 321 within the above range can improve the stability of the marking tooling operation and improve the yield rate of the lens 100 marking.
[0037] In an optional embodiment of the utility model, the driving component 320 includes a lead screw, a lead screw motor and a slider. The lead screw motor is fixedly connected to the base 200. The lead screw is extended from the side wall of the second groove 220 toward the mounting portion. The slider is sleeved on the lead screw and fixedly connected to the chuck 310. As the lead screw motor rotates, the chuck 310 can make reciprocating linear motion along the extension direction of the lead screw driven by the slider, thereby realizing the approach or separation of the chuck 310 and the mounting portion 210.
[0038] In the embodiment of the utility model, the cross-sectional shape of the base 200 is a circle, and the projection of the axis of the clamping assembly 300 on the base 200 coincides with the diameter of the aforementioned circle. In other words, the clamping assembly 300 is arranged along the radial direction of the base 200, and the driving component 320 drives the clamp 310 to approach the center of the circle or depart from the center of the circle along the radial direction of the base 200. In an optional embodiment of the utility model, the driving component 320 can drive the clamp 310 to rotate in the first groove 211. When the lens 100 is installed, the rotation path of the clamp 310 intersects with the outer contour line of the lens 100. In this way, based on the buckling of multiple clamps 310 with the side wall of the lens 100, the purpose of fixing the lens 100 can be achieved. Specifically, adaptive settings can be made according to actual conditions, and this article will not repeat them here.
[0039] It should be noted that the cross-sectional shape of the base 200 can also be a square or other polygonal shape. The shape of the base 200 in the above embodiment is only an example given by the present invention and is not a specific limitation of the present invention. The shape of the base 200 can be adaptively selected according to actual conditions. It should also be noted that when the cross-sectional shape of the base 200 is circular, the projection of the axis of the clamping assembly 300 on the base 200 may not coincide with the diameter of the aforementioned circle. In other words, the projection of the axis may form a certain angle with the diameter, and the adaptive design can be specifically performed according to actual needs.
[0040] See also Figure 1 and Figure 2 It can be understood that the lens marking tool provided by the present invention is provided with a plurality of clamping assemblies 300 and arranged evenly around the mounting portion 210 on the substrate 200. In this way, when the lens 100 is fixed, the lens 100 can be firmly fixed based on the cooperation between the plurality of clamping assemblies 300, and the lens 100 can be restricted to the center of the substrate 200, thereby improving the centering of the lens 100, avoiding the influence of the deviation of the lens 100 on the marking quality of the lens 100, and improving the yield rate of the marking of the lens 100. In addition, the chuck 310 is provided to be in surface contact with the side wall surface of the lens 100, which can reduce the stress concentration between the chuck 310 and the lens 100, and avoid the damage of the lens 100 caused by uneven force. Compared with the prior art, the surface contact between the chuck 310 and the side wall of the lens 100 increases the contact area between the chuck 310 and the lens 100, disperses the stress, and relieves the stress concentration at the contact position between the lens 100 and the chuck 310, so that the high pair between the lens 100 and the chuck 310 is transformed into a low pair, avoiding the breakage of the lens 100 due to stress, and reducing the possibility of deformation or displacement of the lens 100, thereby improving the yield rate of the lens 100 during the marking process.
[0041] Figure 3 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model.
[0042] In an optional embodiment of the present utility model, see Figure 3 The clamp 310 includes an abutment member 311, which is disposed at one end of the clamp 310 facing the lens 100. The abutment member 311 is suitable for making surface contact with the side wall surface of the lens 100 so that the lens 100 is fixed to the mounting portion 210. Specifically, the abutment member 311 is fixedly connected to the output end of the driving cylinder 321. Figure 3As shown in the figure, six clamping assemblies 300 work together. When the lens 100 is fixed, the six abutment members 311 abut against the side wall surface of the lens 100 at the same time. Based on the same pressure provided by the driving cylinder 321, the lens 100 can be fixed in the center of the base 200, ensuring the centering of the lens 100.
[0043] In an optional embodiment of the utility model, the chuck 310 also includes a connecting piece (not shown in the figure), which may be a connecting rod or a connecting block. The abutment piece may be connected to the piston rod of the drive cylinder 321 via the connecting piece. By setting the connecting piece, the length of the piston rod of the drive cylinder 321 may be extended. Specifically, an adaptive selection may be made according to actual conditions.
[0044] Figure 4 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model.
[0045] In an optional embodiment of the present utility model, see Figure 4 The abutment member 311 has a hemispherical surface 3111, and the diameter of the hemispherical surface 3111 is not less than 12 mm. It should be noted that the diameter of the lens 100 is generally not greater than 12 mm. In other words, the maximum diameter of the lens 100 is 12 mm. Figure 4 It can be understood that by setting the hemispherical surface 3111, when the hemispherical surface 3111 contacts the side wall of the lens 100, the curved surface of the hemispherical surface 3111 can better fit the curved surface of the side wall of the lens 100, and the contact surface between the abutment 311 and the side wall of the lens 100 can be increased. Furthermore, the diameter of the hemispherical surface 3111 is not less than 12 mm. In this way, it is possible to avoid the situation where the lens 100 is larger and the abutment 311 is smaller, that is, it is possible to avoid the phenomenon that the two end edges of the hemispherical surface 3111 abut against the side wall of the lens 100 because the lens 100 to be marked is too large, and the stress concentration caused by this situation is avoided, so that the abutment 311 can be compatible with lenses 100 of more sizes, thereby improving the adaptability of the abutment 311.
[0046] Figure 5 It is a schematic diagram of the overall structure of another lens marking tool provided by the utility model.
[0047] In an optional embodiment of the present utility model, see Figure 5The abutment 311 includes a first abutment wall 3112 and a second abutment wall 3113, and the first abutment wall 3112 and the second abutment wall 3113 are arranged at a preset angle, and the plane where the starting edge and the end edge of the preset angle are located is parallel to the plane where the lens 100 is located. In this way, the first abutment wall 3112 and the second abutment wall 3113 can be in contact with the side wall curved surface of the lens 100. Compared with the prior art, the contact between the first abutment wall 3112 and the second abutment wall 3113 and the upper and lower edges of the lens 100 is avoided. In other words, the high pair between the first abutment wall 3112 and the second abutment wall and the lens 100 is converted into a low pair, which reduces the problem of stress concentration on the lens 100, avoids the breakage of the lens 100 due to excessive stress, and improves the yield rate of the lens 100 during the marking process.
[0048] It should be noted here that the preset angle is a, wherein the value range of a is 20°≤a≤40°, so as to ensure that the wall surfaces of the first abutting wall 3112 and the second abutting wall 3113 are in contact with the side wall of the lens 100, thereby avoiding the problem that the end edges of the first abutting wall 3112 and the second abutting wall 3113 are in contact with the side wall of the lens 100 due to the preset angle being too small; it is also avoided that the distance between the contact surface of the first abutting wall 3112 and the lens 100 and the contact surface of the second abutting wall 3113 and the lens 100 is too small due to the preset angle being too large, thereby causing the lens 100 to be subjected to uneven force; in short, by limiting a within the above-mentioned angle range, it can be ensured that the contact between the lens 100 and the first abutting wall 3112 and the second abutting wall 3113 is in a suitable state, the compatibility of the first abutting wall 3112 and the second abutting wall 3113 with lenses 100 of different sizes can be improved, and the yield rate of the lens 100 can be improved.
[0049] In an optional embodiment of the present utility model, see Figures 1 to 5 The abutment member 311 includes a buffer portion 3114, which is disposed at one end of the abutment member 311 facing the lens 100. The buffer portion 3114 is used to protect the side wall of the lens 100. The buffer portion 3114 includes at least one of a soft silicone surface, a sponge surface or a rubber surface.
[0050] In some cases, see Figure 3 The abutment member 311 may only include a buffer portion 3114, and the buffer portion 3114 is directly connected to the piston rod of the driving cylinder 321. In this case, the buffer portion 3114 may be a block-shaped member made of the above-mentioned material, such as a soft silicone block, a rubber block or a sponge block. Through such a setting, hard contact between the piston rod of the driving cylinder 321 and the side wall of the lens 100 can be avoided. Based on the soft contact between the buffer portion 3114 and the lens 100, the lens 100 can be avoided from being crushed and broken, thereby improving the yield rate of the lens 100 during the marking process.
[0051] In other cases, see Figure 4 The buffer portion 3114 can be arranged on the side of the hemispherical surface 3111 facing the lens 100. The shape of the buffer portion 3114 is adapted to the hemispherical surface 3111. When the hemispherical surface 3111 contacts the side wall of the lens 100, the buffer portion 3114 can play a buffering role. For details, please refer to the above description. In some other cases, refer to Figure 5 The buffer portion 3114 can be arranged on the side of the first abutting wall 3112 and the second abutting wall 3113 facing the lens 100. When the first abutting wall 3112 and the second abutting wall 3113 contact the side wall of the lens 100, the buffer portion 3114 can play a buffering role. In addition, when the buffer portion 3114 contacts the curved surface of the side wall of the lens 100, deformation will occur. Based on this, the contact area between the abutting member 311 and the side wall of the lens 100 can be increased, so that the force transmission between the two is more uniform, the stress concentration phenomenon of the side wall of the lens 100 is alleviated, and the yield rate of the lens 100 is improved.
[0052] It should be noted that the technical solutions in various embodiments of the present utility model can be combined with each other, but the basis for the mutual combination is that it can be implemented by ordinary technicians in the field; when the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist, that is, it does not belong to the protection scope of the present utility model.
[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A lens marking tool, characterized in that: include: A base body (200) is provided with a mounting portion (210) for fixing the lens (100); At least two clamping assemblies (300) are evenly spaced and arranged on the base (200) around the mounting portion (210), the clamping assembly (300) comprising a clamp (310) and a driving component (320), the clamp (310) being connected to the driving component (320), the driving component (320) being used to drive the clamp (310) to approach or move away from the mounting portion (210), the clamp (310) being suitable for making surface contact with the side wall surface of the lens (100) so as to fix the lens (100) to the mounting portion (210).
2. The lens marking tool according to claim 1, characterized in that: The clamp (310) comprises an abutment member (311), wherein the abutment member (311) is arranged at one end of the clamp (310) facing the lens (100), and the abutment member (311) is suitable for making surface contact with the side wall surface of the lens (100) so as to fix the lens (100) to the mounting portion (210).
3. The lens marking tool according to claim 2, characterized in that: The abutment member (311) is provided with a hemispherical surface (3111), and the diameter of the hemispherical surface (3111) is not less than 12 mm.
4. The lens marking tool according to claim 2, characterized in that: The abutment member (311) comprises a first abutment wall (3112) and a second abutment wall (3113), wherein the first abutment wall (3112) and the second abutment wall (3113) are arranged at a preset angle, and the plane where the starting edge and the ending edge of the preset angle are located is parallel to the plane where the lens (100) is located.
5. The lens marking tool according to claim 4, characterized in that: The preset angle is a, wherein the value range of a is 20°≤a≤40°.
6. The lens marking tool according to any one of claims 2 to 5, characterized in that: The abutment member (311) comprises a buffer portion (3114), wherein the buffer portion (3114) is arranged at one end of the abutment member (311) facing the lens (100), and the buffer portion (3114) is used to protect the side wall of the lens (100).
7. The lens marking tool according to claim 6, characterized in that: The buffer portion (3114) includes at least one of a soft silicone surface, a sponge surface or a rubber surface.
8. The lens marking tool according to any one of claims 1 to 5, characterized in that: The driving component (320) comprises a driving cylinder (321), and the driving cylinder (321) is arranged on the base (200) around the mounting portion (210), and one end of the driving cylinder (321) is connected to the clamp (310).
9. The lens marking tool according to any one of claims 1 to 5, characterized in that: The mounting portion (210) comprises a first groove (211), the driving component (320) is penetrated through the side wall of the first groove (211), the chuck (310) is suitable for moving in the first groove (211), and when the driving component (320) is retracted, a side of the chuck (310) close to the inner wall of the first groove (211) is suitable for abutting against the inner wall of the first groove (211).
10. The lens marking tool according to claim 9, characterized in that: The base (200) comprises a second groove (220), the mounting portion (210) is arranged in the second groove (220), and the driving component (320) is arranged through a side wall of the second groove (220).