Lens module detection jig and lens module focusing equipment

By using a lens module testing fixture and focusing equipment with grippers and a side-pushing mechanism to adjust the lens module on the testing fixture, the problem of poor quality caused by minor errors in the traditional assembly process is solved, and efficient lens module production is achieved.

CN223637722UActive Publication Date: 2025-12-05SHENZHEN ZHIHONG AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202520217023.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-05
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

In the traditional lens module assembly process, high dimensional accuracy is required. Even small errors can lead to poor sensor quality, and existing testing methods are insufficient to effectively screen out unqualified products.

Method used

A lens module testing fixture and focusing device are provided. The lens module is adjusted on the testing fixture by means of a gripper mechanism and a side push mechanism. After the adjustment is qualified, it is assembled and produced. The device includes the coordinated use of gripper assembly, power probe and lifting slider.

Benefits of technology

This significantly reduced the defect rate of lens modules, improved production efficiency and product quality, and reduced the production of defective products by conducting debugging before inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sensor focusing, in particular to a lens module detection jig and lens module focusing equipment, the lens module detection jig comprises a jig base, a clamping jaw mechanism, a probe mechanism and a side pushing mechanism, the jig base is provided with a detection position, and the detection position is provided with a groove; the clamping jaw mechanism comprises two groups of clamping jaw assemblies which are oppositely arranged and are respectively arranged on two sides of the detection position; the probe mechanism is arranged at the detection position and comprises a power-on probe and a lifting sliding block, the power-on probe is fixed on the lifting sliding block, and the lifting sliding block is connected to the groove in a sliding mode; the side pushing mechanism is arranged on one side of the jig base and pushes the lifting sliding block to ascend and descend. And the side pushing mechanism is matched with the clamping jaw assembly to press the electrifying position of the lens carrier onto the electrifying probe. According to the invention, the lens assembly is debugged on the detection jig, and then assembling production is carried out after the lens assembly is debugged to be qualified, so that the reject ratio of the module lens is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sensor focusing, in particular to a lens module detection fixture and lens module focusing equipment. BACKGROUND

[0002] The laser sensor generally includes a laser emitter, a transmitting end lens, a receiving end lens, a photosensitive chip and an information processing system, wherein the transmitting end lens is aligned with the laser emitter to adjust the optical performance of the outgoing laser through the receiving end lens, the receiving end lens is aligned with the photosensitive chip to receive and optically process the laser pulse beam emitted back from the measured target and radiate to the photosensitive chip. Then, the electrical signal obtained by the photosensitive chip is sent to the information processing system to post-process the collected optical information and display the information feedback we need.

[0003] The lens module composed of the receiving end lens and the transmitting end lens is an important device for optical pulse emission and reception in the laser sensor, and the performance parameters directly affect the accuracy of the sensor. Specifically, as an important component of the sensor, the lens module not only affects the optical performance of the outgoing laser and the received laser, but also has a great influence on the installation and debugging of the photosensitive chip in the information processing system.

[0004] In the process of assembling and debugging the traditional receiving end lens and transmitting end lens, the lenses are directly installed on the lens carrier according to the preset size precision to complete the assembly and production of the sensor, and then the installed sensor is detected to screen out unqualified products. The traditional lens module assembly production method requires high size precision and assembly process, and small errors can easily lead to poor sensor quality. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a lens module detection fixture and lens module focusing equipment, which first debugs the lens module on the detection fixture, then assembles and produces after debugging, greatly reduces the defective rate of the module lens, and solves the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides a technical scheme which adopts a lens module detection jig, which comprises a jig base, a clamping jaw mechanism, a probe mechanism and a side pushing mechanism, the jig base is provided with a detection position, and the detection position is provided with a groove; the clamping jaw mechanism comprises two groups of clamping jaw assemblies, the two groups of clamping jaw assemblies are oppositely arranged and are respectively arranged on the two sides of the detection position; the probe mechanism is arranged on the detection position and comprises an electrified probe and a lifting sliding block, the electrified probe is fixed on the lifting sliding block, and the lifting sliding block is slidingly connected to the groove; the side pushing mechanism is arranged on one side of the jig base, the side pushing mechanism drives the lifting sliding block to lift, and the side pushing mechanism cooperates with the clamping jaw assembly to press the electrification position of the lens carrier to the electrified probe.

[0007] Further, each clamping jaw assembly comprises a clamping cylinder and a clamping jaw, the clamping cylinder is arranged on the jig base, the clamping jaw is located on one side of the detection position, and the clamping cylinder drives the two clamping jaws to approach or separate from each other.

[0008] Further, the jig base is provided with a mounting groove, the mounting groove is located on one side of the detection position, the clamping jaw comprises a clamping end and a mounting end, the mounting end is rotatably connected to the side wall of the mounting groove, the clamping end is close to the detection position, the clamping cylinder comprises a body and an output shaft, the body is rotatably connected to the side wall of the mounting groove, and the output shaft is connected to the clamping jaw.

[0009] Further, the clamping jaw has a bent structure, the mounting end is located in the mounting groove, the clamping end is located outside the mounting groove, the clamping jaw is provided with a connecting shaft, the connecting shaft is rotatably connected to the clamping jaw, and the output end of the output shaft is connected to the connecting shaft.

[0010] Further, the mounting groove is a through groove with one side opening, and the body is arranged close to the opening.

[0011] Further, the side pushing mechanism comprises a side pushing cylinder and a side pushing plate, the side pushing cylinder is connected with the side pushing plate, the side pushing plate is arranged at the bottom of the lifting sliding block, the side pushing plate is provided with a first inclined surface, the lifting sliding block is provided with a second inclined surface, the first inclined surface abuts against the second inclined surface, and the side pushing plate moves horizontally to drive the lifting sliding block to lift.

[0012] Further, the bottom of the detection position is provided with a movable space, and the side pushing plate is arranged in the movable space.

[0013] Further, the utility model also provides a lens module focusing equipment, which comprises the above-mentioned lens module detection jig.

[0014] Further, the lens module focusing equipment further comprises a conveying device, and the conveying device is provided with a driving mechanism and a sliding rail.

[0015] Further, the lens module focusing equipment further comprises a feeding device, a dispensing device, a curing device and a discharging device, the feeding device conveys the lens carrier and the lens to the lens module detection fixture, the dispensing device dispenses and fixes the lens after focusing, the curing device rapidly cures the glue on the lens, the conveying device moves the produced lens module to one side of the discharging device, and the discharging device conveys and discharges the lens module.

[0016] The utility model discloses beneficial effect lies in:

[0017] 1, the jaw mechanism first clamps the lens carrier, and the side push mechanism pushes the lifting sliding block to lift and cooperate with the jaw assembly to press the electrification potential of the lens carrier to the electrification probe. At this time, the feeding manipulator can synchronize to debug after conveying the lens to the lens module, until the lens module on the detection fixture meets the test demand, then the lens is dispensed and packaged, and the production of the lens module is completed. In the application, the lens assembly is debugged on the detection fixture first, and then assembled and produced after debugging, which greatly reduces the failure rate of the module lens.

[0018] 2, the tool base is provided with a mounting groove, and the mounting groove is located on one side of the detection position. The clamping jaw comprises a clamping end and a mounting end, the mounting end is rotatably connected to the side wall of the mounting groove, the clamping end is close to the detection position, the clamping cylinder comprises a body and an output shaft, the body is rotatably connected to the side wall of the mounting groove, and the output shaft is connected to the clamping jaw. The extension of the output shaft can drive the rotation of the clamping jaw, so that the clamping jaw can clamp the lens carrier and press the electrification probe at the same time. In order to adapt the rotation of the clamping jaw, the body is rotatably connected to the side wall of the mounting groove, so as to prevent the output shaft from being interfered and stuck.

[0019] 3, the mounting groove is a through groove with one side opening, and the body is arranged close to the opening. The opening leaves a rotation space for the body, preventing interference in the rotation path of the body. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0021] Figure 1The schematic view of the lens module detection jig in the non-clamping state is provided for the embodiment 1 of the utility model;

[0022] Figure 2 The schematic view of the lens module detection jig in the clamping state is provided for the embodiment 1 of the utility model;

[0023] Figure 3 The internal structure schematic view of the lens module detection jig in the clamping state is provided for the embodiment 1 of the utility model;

[0024] Figure 4 The overall structure schematic view of the transfer device adopted by the lens module focusing equipment of the embodiment 2 of the utility model.

[0025] Mark explanation:

[0026] 1, jig base;11, detection position;12, groove;13, mounting groove;131, opening;14, activity space;2, clamping jaw mechanism;21, clamping jaw assembly;211, clamping cylinder;2111, main body;2112, output shaft;212, clamping jaw;2121, clamping end;2122, mounting end;213, connecting shaft;3, probe mechanism;31, power-on probe;32, lifting slide;4, side push mechanism;41, side push cylinder;42, side push plate;5, transfer device;51, driving mechanism;52, slide rail;6, lens carrier;61, lens assembly. Specific implementation

[0027] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0028] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0031] Example 1

[0032] Reference Figures 1 to 3 As a lens module detection jig provided by the utility model embodiment, comprising jig base 1, jaw structure, probe mechanism 3 and side push mechanism 4, jig base 1 is equipped with detection site 11, and detection site 11 is equipped with groove 12;Jaw mechanism 2 includes two groups of jaw assemblies 21, and the two groups of jaw assemblies 21 are oppositely arranged and respectively arranged on the two sides of detection site 11;Probe mechanism 3 is arranged in detection site 11, including power-on probe 31 and lifting slide 32, power-on probe 31 is fixed on lifting slide 32, and lifting slide 32 is slidingly connected to groove 12;Side push mechanism 4 is arranged on one side of jig base 1, and side push mechanism 4 drives lifting slide 32 to lift;Side push mechanism 4 cooperates with jaw assembly 21 to press the power-on potential of lens carrier 6 to power-on probe 31.

[0033] Jaw mechanism 2 first clamps lens carrier 6, and side push mechanism 4 drives lifting slide 32 to lift and cooperate with jaw assembly 21 to press the power-on potential of lens carrier 6 to power-on probe 31.At this time, the feeding manipulator can simultaneously debug after moving lens assembly 61 to lens carrier 6, until the lens module on the detection jig meets the test requirement, and then lens assembly 61 is point glued and packaged, and the production of lens module is completed.In the application, the lens module is debugged on the detection jig first, and then assembled and produced after debugging qualified, which greatly reduces the defective rate of module lens.

[0034] Specifically, each of the clamp jaw assemblies 21 comprises a clamping cylinder 211 arranged on the jig base 1 and a clamping jaw 212 located on the side of the detection position 11, and the clamping cylinder 211 drives the two clamping jaws 212 to move close to or away from each other. The jig base 1 is provided with a mounting groove 13 located on the side of the detection position 11, and the clamping jaw 212 comprises a clamping end 2121 and a mounting end 2122, the mounting end 2122 is rotatably connected to the side wall of the mounting groove 13, and the clamping end 2121 is close to the detection position 11. The clamping cylinder 211 comprises a body 2111 rotatably connected to the side wall of the mounting groove 13 and an output shaft 2112 connected to the clamping jaw 212. In this embodiment, the clamping jaw 212 has a bent structure, the mounting end 2122 is located in the mounting groove 13, and the clamping end 2121 is located outside the mounting groove 13. The clamping jaw 212 is provided with a connecting shaft 213 rotatably connected to the clamping jaw 212, and the output end of the output shaft 2112 is connected to the connecting shaft 213. The extension and retraction of the output shaft 2112 can drive the rotation of the clamping jaw 212, so that the clamping jaw 212 can clamp the lens carrier 6 and press the energized probe 31 at the same time. In order to adapt the rotation of the clamping jaw 212 to the output shaft 2112, the body 2111 is rotatably connected to the side wall of the mounting groove 13, so as to prevent the output shaft 2112 from being interfered and stuck.

[0035] Further, the mounting groove 13 is a through groove with an open side 131, and the body 2111 is arranged close to the open side 131. The open side 131 leaves a rotation space for the body 2111, so as to prevent the body 2111 from being interfered in the rotation path.

[0036] Further, the side pushing mechanism 4 comprises a side pushing cylinder 41 and a side pushing plate 42, the side pushing cylinder 41 is connected to the side pushing plate 42, the side pushing plate 42 is arranged at the bottom of the lifting slide 32, the side pushing plate 42 is provided with a first inclined surface, the lifting slide 32 is provided with a second inclined surface, the first inclined surface and the second inclined surface abut each other, and the horizontal movement of the side pushing plate 42 drives the lifting slide 32 to lift.

[0037] Specifically, the bottom of the detection position 11 is provided with a movable space 14, and the side pushing plate 42 is arranged in the movable space 14 and can move in the movable space 14. After the side pushing cylinder 41 drives the side pushing plate 42 to move, the horizontal movement of the side pushing plate 42 drives the lifting slide 32 to lift under the cooperation of the first inclined surface on the side pushing plate 42 and the second inclined surface on the lifting slide 32. Since the lifting slide 32 is embedded in the groove 12, the groove 12 limits the movement of the lifting slide 32, so that the lifting slide 32 can only move in the vertical direction. The lifting slide 32 is lifted by the side pushing cylinder 41, and the extension of the output shaft 2112 can drive the rotation of the clamping jaw 212, so that the clamping jaw 212 can clamp the lens carrier 6 and press it at the same time, thereby realizing the close contact between the energized position of the lens carrier 6 and the energized probe 31.

[0038] Embodiment 2

[0039] The lens module focusing equipment provided by the embodiment of the utility model comprises the lens module detection jig in the embodiment 1.

[0040] Specifically, the lens module focusing equipment further comprises a feeding device, a transferring device 5, a dispensing device, a curing device and a discharging device; the feeding device transfers the lens carrier 6 and the lens to the lens module detection jig; the lens module detection jig is arranged on the transferring device 5; the transferring device 5 is provided with a driving mechanism 51 and a sliding rail 52; the driving mechanism 51 drives the lens module detection jig to slide on the sliding rail 52, so that the lens module detection jig is conveniently moved to a specified position; the dispensing device fixes the lens after focusing by dispensing; the curing device rapidly cures the glue on the lens; the transferring device 5 moves the produced lens module to one side of the discharging device; and the discharging device transfers and discharges the lens module.

[0041] In the embodiment, the lens module is debugged on the lens module detection jig first, and then assembled and produced through the dispensing device, the curing device and the discharging device after debugging. Compared with the traditional mode of producing first and then detecting, the lens module focusing equipment in the embodiment greatly reduces the production failure rate of the module lens.

[0042] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A lens module detection jig, characterized by, The utility model provides a lens carrier testing device, including: Jig base (1), which is provided with a detection position (11) with a groove (12); Clamping jaw mechanism (2), including two groups of clamping jaw assemblies (21), two groups of the clamping jaw assemblies (21) are oppositely arranged and are arranged at two sides of the detection position (11) respectively; Probe mechanism (3) is arranged in the detection position (11) and includes a power probe (31) and a lifting slider (32), the power probe (31) is fixed on the lifting slider (32), and the lifting slider (32) is slidably connected to the groove (12); Side push mechanism (4) is arranged on one side of the jig base (1), the side push mechanism (4) drives the lifting slider (32) to lift, and the side push mechanism (4) cooperates with the clamping jaw assembly (21) to press the power position of a lens carrier (6) to the power probe (31). 2.The lens module detection tool of claim 1, wherein, Each clamping jaw assembly (21) includes a clamping cylinder (211) and a clamping jaw (212), the clamping cylinder (211) is arranged on the jig base (1), the clamping jaw (212) is located at one side of the detection position (11), and the clamping cylinder (211) drives two clamping jaws (212) to approach or separate each other. 3.The lens module detection tool of claim 2, wherein, The jig base (1) is provided with a mounting groove (13), the mounting groove (13) is located at one side of the detection position (11), the clamping jaw (212) includes a clamping end (2121) and a mounting end (2122), the mounting end (2122) is rotatably connected to the side wall of the mounting groove (13), the clamping end (2121) is close to the detection position (11), the clamping cylinder (211) includes a body (2111) and an output shaft (2112), the body (2111) is rotatably connected to the side wall of the mounting groove (13), and the output shaft (2112) is connected to the clamping jaw (212). 4.The lens module detection tool of claim 3, wherein, The clamping jaw (212) is in a bent structure, the mounting end (2122) is located in the mounting groove (13), the clamping end (2121) is located outside the mounting groove (13), the clamping jaw (212) is provided with a connecting shaft (213), the connecting shaft (213) is rotatably connected to the clamping jaw (212), and the output end of the output shaft (2112) is connected to the connecting shaft (213). 5.The lens module detection tool of claim 4, wherein, The mounting groove (13) is a through groove with one side opening (131), and the body (2111) is arranged close to the opening (131). 6.The lens module detection tool of claim 1, wherein, The side push mechanism (4) includes a side push cylinder (41) and a side push plate (42), the side push cylinder (41) is connected with the side push plate (42), the side push plate (42) is arranged at the bottom of the lifting slider (32), the side push plate (42) is provided with a first inclined surface, the lifting slider (32) is provided with a second inclined surface, the first inclined surface abuts against the second inclined surface, and the horizontal movement of the side push plate (42) drives the lifting slider (32) to lift. 7.The lens module detection tool of claim 6, wherein, The bottom of the detection position (11) is provided with a movable space (14), and the side push plate (42) is arranged in the movable space (14).

8. A lens module focusing apparatus, characterized by comprising: The lens module detection jig comprises any one of claims 1-7. 9.The lens module focusing device of claim 8, wherein, Further comprising a transfer device (5) provided with a driving mechanism (51) and a sliding rail (52), the driving mechanism (51) drives the lens module detection jig to slide on the sliding rail (52). 10.The lens module focusing device of claim 9, wherein, Further comprising a feeding device, a dispensing device, a curing device and a discharging device, the feeding device transfers the lens carrier (6) and the lens to the lens module detection jig, the dispensing device dispenses and fixes the lens after focusing, the curing device quickly cures the glue on the lens, the transfer device (5) moves the produced lens module to one side of the discharging device, and the discharging device transfers and discharges the lens module.