Dispensing shaft for lens assembly
By introducing a lifting module, a detection module, and a calibration laser emitter into the lens mounting equipment, the problems of dispensing mechanism offset and model switching were solved, achieving a high-precision and high-efficiency dispensing process.
Patent Information
- Application Number
- CN202422915032.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional dispensing mechanisms are prone to misalignment during lens mounting, leading to reduced dispensing accuracy. Furthermore, calibration is difficult when switching dispensing syringe models, impacting production efficiency.
Design a dispensing shaft for lens assembly, comprising a lifting module, a detection module, and a calibration laser emitter. The dispensing syringe is rapidly calibrated via a guide sleeve and the calibration laser emitter. It is combined with a CCD vision system to detect the camera and a range sensor for simultaneous detection and dispensing operations.
It improves the positioning accuracy and ease of replacement of dispensing syringes, reduces the difficulty of dispensing calibration, and enhances dispensing efficiency and production efficiency.
Smart Images
Figure CN223556390U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical lens automatic assembly technical field, especially a kind of point gum axle for lens assembly. BACKGROUND
[0002] Lens mounting machine is a kind of optical lens production automation equipment, is widely used in security lens, camera and other optical equipment mounting.This kind of equipment realizes high-precision, high-efficiency lens mounting process by mechanical hand, servo motor and vision system etc.
[0003] In lens mounting process, point gum operation is essential section, and traditional point gum mechanism is prone to deviation in long-term use, which reduces the point gum precision, and further affects the installation quality of lens;And with the development of product diversification, the switching of process in lens mounting operation is more and more frequent, and the traditional point gum mechanism is difficult to operate when switching the type of point gum needle cylinder, and tedious point gum correction is needed each time, which greatly reduces the production efficiency.
[0004] Therefore, in view of the deficiencies of the prior art, it is necessary to design a point gum axle for lens assembly to solve the above problems.
[0005] It should be noted that the above introduction to the technical background is only to facilitate the clear and complete description of the technical scheme of the utility model, and to facilitate the understanding of those skilled in the art, and the above content cannot be considered as known by those skilled in the art because the above content is described in the background of the utility model. UTILITY MODEL CONTENT
[0006] In order to overcome the deficiencies in the prior art, the utility model aims to disclose a point gum axle for lens assembly, which solves the problems of deviation of traditional point gum mechanism positioning and difficulty in calibration when switching the type of point gum needle cylinder.
[0007] The utility model discloses a point gum axle for lens assembly, which comprises a mounting frame, a lifting module for controlling the lifting of a point gum needle cylinder and a detection module for detecting the position information of the material to be gummed are arranged on the mounting frame, a fixing plate is connected to the output end of the lifting module, the point gum needle cylinder is detachably mounted on the fixing plate in the vertical direction, a needle cylinder guide plate is arranged at the lower end of the fixing plate, a guide sleeve is arranged at the corresponding position of the point gum needle cylinder and the needle cylinder guide plate, a calibration laser emitter is arranged at the front end of the guide sleeve, the setting direction of the guide sleeve can be corrected by using the calibration laser emitter, and the front end of the point gum needle cylinder is detachably connected with the guide sleeve by penetrating the guide sleeve, so that the setting direction of the point gum needle cylinder is consistent with the setting direction of the guide sleeve.
[0008] Preferably, the lifting module is a servo electric cylinder arranged along a vertical direction, and a plurality of limit photoelectric elements are arranged on one side of the servo electric cylinder along the vertical direction to prevent the servo electric cylinder from moving out of limit and causing damage to the equipment.
[0009] Preferably, the lower end of the needle cylinder guide plate is provided with a fork-shaped clamping plate along a horizontal direction, the inner side of the fork-shaped clamping plate is provided with a positioning clamping groove, and the guide sleeve is arranged in the positioning clamping groove, so that the guide sleeve is conveniently disassembled and assembled.
[0010] Preferably, the emitting end of the calibration laser emitter is arranged in a circular ring shape at the front end of the guide sleeve, so that the guide sleeve is conveniently positionally corrected by the light beam emitted by the calibration laser emitter.
[0011] Preferably, the fixing plate is an L-shaped structure composed of a horizontal plate and a vertical plate, the horizontal plate is provided with a positioning hole at a position corresponding to the guide sleeve, and the front end of the dispensing needle cylinder is sequentially arranged through the positioning hole and the guide sleeve for detachable fixing, so that the positioning accuracy of the dispensing needle cylinder is improved.
[0012] Preferably, the positioning hole is detachably provided with a fixing sleeve, the inner wall of the fixing sleeve is connected with the outer periphery of the dispensing needle cylinder, and the stability of the dispensing needle cylinder is ensured.
[0013] Preferably, the detection module comprises a CCD vision system detection camera and a distance measuring sensor, the output axis of the CCD vision system detection camera, the distance measuring sensor and the dispensing needle cylinder are arranged on the same vertical plane, so that the detection and dispensing can be simultaneously performed, and the dispensing efficiency is improved.
[0014] Thanks to the above technical scheme, the present application has the following beneficial effects compared with the prior art:
[0015] The present application discloses a dispensing shaft for lens assembly, which is provided with a needle cylinder guide plate and a guide sleeve, so that the dispensing needle cylinder is more convenient to replace and disassemble, and a calibration laser emitter is arranged at the front end of the guide sleeve, so that the dispensing position is quickly corrected by the light beam emitted by the calibration laser emitter, and the difficulty of dispensing correction is reduced; the output axis of the CCD vision system detection camera, the distance measuring sensor and the dispensing needle cylinder are arranged on the same vertical plane, so that the dispensing operation can be simultaneously performed with the detection operation, the operation difficulty of the dispensing control system is reduced, and the dispensing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical schemes in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0017] Figure 1 It is a structure schematic view of the glue dispensing shaft for lens assembly of the utility model;
[0018] Figure 2 It is a structure schematic view of the lifting module in the utility model;
[0019] Figure 3 It is Figure 2 The local enlarged schematic view of A in the utility model.
[0020] In the above drawing, 100, mounting frame; 1, lifting module; 11, fixed plate; 11a, positioning hole; 12, glue dispensing needle cylinder; 13, needle cylinder guide plate; 13a, fork-shaped clamping plate; 13b, positioning clamping groove; 14, guide sleeve; 14a, calibration laser emitter; 15, limit photoelectric; 16, fixed sleeve; 2, detection module; 21, CCD vision system detection camera; 22, distance measuring sensor. DETAILED DESCRIPTION
[0021] The implementation of the utility model will be illustrated by specific embodiments below, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.
[0022] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so as to describe the embodiments of the present application. In addition, the terms "include" and "have" and their synonyms, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0023] In the present application, the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0024] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.
[0025] Furthermore, the terms "installation," "setting," "equipped with," "connection," "linking," "fitting," and "fitting" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Similarly, "fitting" can mean completely or partially fitted. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0027] Example:
[0028] like Figure 1 As shown, this utility model discloses a dispensing shaft for lens assembly, including a mounting bracket 100. The mounting bracket 100 is provided with a lifting module 1 and a detection module 2. The main components of the above-mentioned utility model will be described in detail below: Figure 1 , Figure 2 and Figure 3 As shown, the output end of the lifting module 1 is equipped with a fixed plate 11, which can drive the fixed plate 11 to move vertically. A dispensing syringe 12 is detachably installed on the fixed plate 11 in the vertical direction. A syringe guide plate 13 is provided at the lower end of the fixed plate 11. A guide sleeve 14 is provided at the corresponding position of the syringe guide plate 13 and the dispensing syringe 12. A calibration laser emitter 14a is provided at the front end of the guide sleeve 14. The emitting end of the calibration laser emitter 14a is arranged in a ring shape at the front end of the guide sleeve 14. The front end of the dispensing syringe 12 passes through the guide sleeve 14 and is detachably connected to it. The dispensing syringe 12 can be quickly calibrated through the guide sleeve 14. It should be noted that in this embodiment, the emitting end of the laser emitter 14a is arranged in a ring shape, but in other embodiments, the emitting end of the laser emitter 14a can be arranged in other regular shapes.
[0029] like Figure 1 , Figure 2 and Figure 3As shown, the detection module 2 includes a CCD vision system detection camera 21 and a ranging sensor 22, the output axis of the CCD vision system detection camera 21, the ranging sensor 22 and the dispensing needle cylinder 12 are located in the same vertical plane, and the dispensing efficiency can be improved by synchronously dispensing when detecting the material position by using the detection module 2.
[0030] Referring to Figure 1 , Figure 2 and Figure 3 , the use method and principle of the utility model are as follows: when different models of dispensing needle cylinders 12 need to be replaced, the original dispensing needle cylinder 12 is pulled out from above the fixed plate 11, the new dispensing needle cylinder 12 is fixed by sequentially penetrating the fixed plate 11 and the guide sleeve 14 from the upper end of the fixed plate 11, and is quickly corrected by the calibration laser emitter 14a at the front end of the guide sleeve 14, so that the glue outlet of the new dispensing needle cylinder 12 is accurately positioned; during dispensing operation, the light beam emitted by the calibration laser emitter 14a is used to monitor whether there is deviation in the dispensing position; at the same time, when the material sequentially passes through the CCD vision system detection camera 21, the ranging sensor 22 and the dispensing needle cylinder 12, the dispensing needle cylinder 12 can directly perform dispensing operation according to the data feedback of the front detection module 2, so that the position detection and dispensing operation of the material are performed synchronously, and the dispensing efficiency is improved.
[0031] As shown in Figure 1 , Figure 2 and Figure 3 , in order to avoid interference collision of the dispensing shaft, the lifting module 1 adopts a servo cylinder arranged in the vertical direction, a plurality of limit photoelectric sensors 15 are arranged on one side of the servo cylinder in the vertical direction, the displacement stroke is double-limited by the servo cylinder and the limit photoelectric sensor 15, and collision is avoided due to movement out of limit.
[0032] As shown in Figure 1 , Figure 2 and Figure 3 , in order to facilitate disassembly and assembly of the guide sleeve, a fork-shaped clamping plate 13a is arranged at the lower end of the needle cylinder guide plate 13 in the horizontal direction, a positioning clamping groove 13b is arranged on the inner side of the fork-shaped clamping plate 13a, and the guide sleeve 14 is arranged in the positioning clamping groove 13b; during disassembly and assembly, the guide sleeve 14 is quickly positioned by the positioning clamping groove 13b, and the connection friction between the guide sleeve 14 and the positioning clamping groove 13b can be improved by increasing the clamping force of the fork-shaped clamping plate 13a.
[0033] As shown in Figure 1 , Figure 2 and Figure 3As shown, in order to improve the posture stability of the dispensing needle cylinder, the fixing plate 11 adopts an L-shaped structure composed of a horizontal plate and a vertical plate, the horizontal plate is provided with a positioning hole 11a at a position corresponding to the guide sleeve 14, the front end of the dispensing needle cylinder 12 passes through the positioning hole 11a and the guide sleeve 14 in sequence for detachable fixing, so that the dispensing needle cylinder 12 can be kept in a vertical state more stably.
[0034] As shown in Figure 1 , Figure 2 and Figure 3 As shown, in order to further improve the stability of the dispensing needle cylinder installation, the positioning hole 11a is detachably provided with a fixing sleeve 16, the inner wall of the fixing sleeve 16 is connected with the outer periphery of the dispensing needle cylinder 12, and the connection strength of the dispensing needle cylinder 12 and the fixing plate 11 is increased through the fixing sleeve 16.
[0035] Finally, it should be noted that the above is only the preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A dispensing shaft for lens assembly, comprising a mounting bracket (100), wherein the mounting bracket (100) is provided with a lifting module (1) and a detection module (2), and the lifting module (1) is provided with a fixing plate (11), characterized in that: A dispensing syringe (12) is detachably mounted on the fixing plate (11) along the vertical direction. A syringe guide plate (13) is provided at the lower end of the fixing plate (11). A guide sleeve (14) is provided at the corresponding position of the syringe guide plate (13) and the dispensing syringe (12). A calibration laser emitter (14a) is provided at the front end of the guide sleeve (14). The front end of the dispensing syringe (12) passes through the guide sleeve (14) and is detachably connected to it.
2. The dispensing shaft for lens assembly according to claim 1, characterized in that: The lifting module (1) is a servo electric cylinder arranged in the vertical direction, and a number of limit photoelectric devices (15) are provided on one side of the servo electric cylinder in the vertical direction.
3. The dispensing shaft for lens assembly according to claim 1, characterized in that: The lower end of the syringe guide plate (13) is provided with a fork-shaped clamp (13a) in the horizontal direction, and the inner side of the fork-shaped clamp (13a) is provided with a positioning groove (13b), and the guide sleeve (14) is provided in the positioning groove (13b).
4. A dispensing shaft for lens assembly according to claim 3, characterized in that: The emitting end of the calibration laser emitter (14a) is arranged in a circular shape at the front end of the guide sleeve (14).
5. A dispensing shaft for lens assembly according to claim 1, characterized in that: The fixing plate (11) is an L-shaped structure composed of a horizontal plate and a vertical plate. The horizontal plate is provided with a positioning hole (11a) corresponding to the guide sleeve (14). The front end of the dispensing syringe (12) passes through the positioning hole (11a) and the guide sleeve (14) in sequence for detachable fixing.
6. A dispensing shaft for lens assembly according to claim 5, characterized in that: The positioning hole (11a) is also detachably provided with a fixing sleeve (16), the inner wall of which is connected to the outer periphery of the dispensing syringe (12).
7. A dispensing shaft for lens assembly according to claim 1, characterized in that: The detection module (2) includes a CCD vision system detection camera (21) and a distance sensor (22). The output axes of the CCD vision system detection camera (21), the distance sensor (22), and the dispensing syringe (12) are located in the same vertical plane.